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iOS simulator displays a blank screen #68399

@0x1af2aec8f957

Description

@0x1af2aec8f957

This problem is caused by my upgrade. At present, there is no related problem when I switch to the stable channel。

If you use the channel master code, the IOS device will display a white screen(No error is reported during the white screen):

Version outputs:

# flutter --version
Flutter 1.23.0-19.0.pre.95 • channel master • https://github.com/flutter/flutter.git
Framework • revision a837557634 (19 小时前) • 2020-10-18 06:12:02 -0400
Engine • revision 499a70f5e2
Tools • Dart 2.11.0 (build 2.11.0-234.0.dev)
Doctor outputs:

# flutter doctor
Doctor summary (to see all details, run flutter doctor -v):
[✓] Flutter (Channel master, 1.23.0-19.0.pre.95, on Mac OS X 10.15.6 19G2021 darwin-x64, locale zh-Hans-CN)
[✓] Android toolchain - develop for Android devices (Android SDK version 30.0.1)
[✓] Xcode - develop for iOS and macOS (Xcode 12.0.1)
[✓] Android Studio (version 4.1)
[✓] Proxy Configuration
[!] Connected device
    ! No devices available

! Doctor found issues in 1 category.

Run logs:

# flutter run -v
[ +130 ms] executing: [/Users/m/development/flutter/] git -c
log.showSignature=false log -n 1 --pretty=format:%H
[  +54 ms] Exit code 0 from: git -c log.showSignature=false log -n 1
--pretty=format:%H
[        ] a83755763499472053b5af8acc0f53b8727a4826
[        ] executing: [/Users/m/development/flutter/] git tag --points-at HEAD
[  +94 ms] Exit code 0 from: git tag --points-at HEAD
[   +1 ms] executing: [/Users/m/development/flutter/] git describe --match *.*.*
--first-parent --long --tags
[  +58 ms] Exit code 0 from: git describe --match *.*.* --first-parent --long
--tags
[        ] 1.23.0-18.0.pre-95-ga837557634
[   +9 ms] executing: [/Users/m/development/flutter/] git rev-parse --abbrev-ref
--symbolic @{u}
[   +7 ms] Exit code 0 from: git rev-parse --abbrev-ref --symbolic @{u}
[        ] origin/master
[        ] executing: [/Users/m/development/flutter/] git ls-remote --get-url
origin
[   +6 ms] Exit code 0 from: git ls-remote --get-url origin
[        ] https://github.com/flutter/flutter.git
[  +45 ms] executing: [/Users/m/development/flutter/] git rev-parse --abbrev-ref
HEAD
[  +12 ms] Exit code 0 from: git rev-parse --abbrev-ref HEAD
[        ] master
[  +40 ms] Artifact Instance of 'AndroidMavenArtifacts' is not required,
skipping update.
[        ] Artifact Instance of 'AndroidGenSnapshotArtifacts' is not required,
skipping update.
[        ] Artifact Instance of 'AndroidInternalBuildArtifacts' is not required,
skipping update.
[        ] Artifact Instance of 'IOSEngineArtifacts' is not required, skipping
update.
[        ] Artifact Instance of 'FlutterWebSdk' is not required, skipping
update.
[   +3 ms] Artifact Instance of 'WindowsEngineArtifacts' is not required,
skipping update.
[        ] Artifact Instance of 'MacOSEngineArtifacts' is not required, skipping
update.
[        ] Artifact Instance of 'LinuxEngineArtifacts' is not required, skipping
update.
[        ] Artifact Instance of 'LinuxFuchsiaSDKArtifacts' is not required,
skipping update.
[        ] Artifact Instance of 'MacOSFuchsiaSDKArtifacts' is not required,
skipping update.
[        ] Artifact Instance of 'FlutterRunnerSDKArtifacts' is not required,
skipping update.
[        ] Artifact Instance of 'FlutterRunnerDebugSymbols' is not required,
skipping update.
[  +56 ms] executing: /Users/m/Library/Android/sdk/platform-tools/adb devices -l
[   +7 ms] executing: /usr/bin/xcode-select --print-path
[   +7 ms] Exit code 0 from: /usr/bin/xcode-select --print-path
[        ] /Applications/Xcode.app/Contents/Developer
[        ] executing: /usr/bin/xcodebuild -version
[ +651 ms] Exit code 0 from: /usr/bin/xcodebuild -version
[        ] Xcode 12.0.1
           Build version 12A7300
[   +3 ms] executing: sysctl hw.optional.arm64
[   +7 ms] Exit code 1 from: sysctl hw.optional.arm64
[        ] sysctl: unknown oid 'hw.optional.arm64'
[        ] executing: xcrun xcdevice list --timeout 2
[   +4 ms] xcrun simctl list --json devices
[        ] executing: xcrun simctl list --json devices
[  +40 ms] List of devices attached
[ +130 ms] {
                      "devices" : {
                        "com.apple.CoreSimulator.SimRuntime.tvOS-13-4" : [
                          {
                            "availabilityError" : "runtime profile not found",
                            "dataPath" :
                            "\/Users\/m\/Library\/Developer\/CoreSimulator\/Devi
                            ces\/EEE3E50A-9C8C-4982-B350-34299FD31520\/data",
                            "logPath" :
                            "\/Users\/m\/Library\/Logs\/CoreSimulator\/EEE3E50A-
                            9C8C-4982-B350-34299FD31520",
                            "udid" : "EEE3E50A-9C8C-4982-B350-34299FD31520",
                            "isAvailable" : false,
                            "deviceTypeIdentifier" :
                            "com.apple.CoreSimulator.SimDeviceType.Apple-TV-1080
                            p",
                            "state" : "Shutdown",
                            "name" : "Apple TV"
                          },
                          {
                            "availabilityError" : "runtime profile not found",
                            "dataPath" :
                            "\/Users\/m\/Library\/Developer\/CoreSimulator\/Devi
                            ces\/F8780106-365E-414E-BC3C-C78F37A50719\/data",
                            "logPath" :
                            "\/Users\/m\/Library\/Logs\/CoreSimulator\/F8780106-
                            365E-414E-BC3C-C78F37A50719",
                            "udid" : "F8780106-365E-414E-BC3C-C78F37A50719",
                            "isAvailable" : false,
                            "deviceTypeIdentifier" :
                            "com.apple.CoreSimulator.SimDeviceType.Apple-TV-4K-4
                            K",
                            "state" : "Shutdown",
                            "name" : "Apple TV 4K"
                          },
                          {
                            "availabilityError" : "runtime profile not found",
                            "dataPath" :
                            "\/Users\/m\/Library\/Developer\/CoreSimulator\/Devi
                            ces\/F8CFD2B0-E0FF-4AF4-930A-958CA5B568F7\/data",
                            "logPath" :
                            "\/Users\/m\/Library\/Logs\/CoreSimulator\/F8CFD2B0-
                            E0FF-4AF4-930A-958CA5B568F7",
                            "udid" : "F8CFD2B0-E0FF-4AF4-930A-958CA5B568F7",
                            "isAvailable" : false,
                            "deviceTypeIdentifier" :
                            "com.apple.CoreSimulator.SimDeviceType.Apple-TV-4K-1
                            080p",
                            "state" : "Shutdown",
                            "name" : "Apple TV 4K (at 1080p)"
                          }
                        ],
                        "com.apple.CoreSimulator.SimRuntime.watchOS-6-2" : [
                          {
                            "availabilityError" : "runtime profile not found",
                            "dataPath" :
                            "\/Users\/m\/Library\/Developer\/CoreSimulator\/Devi
                            ces\/B9F34BEB-1D87-481E-A024-E674BDAF3E92\/data",
                            "logPath" :
                            "\/Users\/m\/Library\/Logs\/CoreSimulator\/B9F34BEB-
                            1D87-481E-A024-E674BDAF3E92",
                            "udid" : "B9F34BEB-1D87-481E-A024-E674BDAF3E92",
                            "isAvailable" : false,
                            "deviceTypeIdentifier" :
                            "com.apple.CoreSimulator.SimDeviceType.Apple-Watch-S
                            eries-4-40mm",
                            "state" : "Shutdown",
                            "name" : "Apple Watch Series 4 - 40mm"
                          },
                          {
                            "availabilityError" : "runtime profile not found",
                            "dataPath" :
                            "\/Users\/m\/Library\/Developer\/CoreSimulator\/Devi
                            ces\/3B3D5385-0925-4CFE-B7C2-88A41B6E8E46\/data",
                            "logPath" :
                            "\/Users\/m\/Library\/Logs\/CoreSimulator\/3B3D5385-
                            0925-4CFE-B7C2-88A41B6E8E46",
                            "udid" : "3B3D5385-0925-4CFE-B7C2-88A41B6E8E46",
                            "isAvailable" : false,
                            "deviceTypeIdentifier" :
                            "com.apple.CoreSimulator.SimDeviceType.Apple-Watch-S
                            eries-4-44mm",
                            "state" : "Shutdown",
                            "name" : "Apple Watch Series 4 - 44mm"
                          },
                          {
                            "availabilityError" : "runtime profile not found",
                            "dataPath" :
                            "\/Users\/m\/Library\/Developer\/CoreSimulator\/Devi
                            ces\/D2D718B9-004F-489E-84C4-E6FE50AD5EA9\/data",
                            "logPath" :
                            "\/Users\/m\/Library\/Logs\/CoreSimulator\/D2D718B9-
                            004F-489E-84C4-E6FE50AD5EA9",
                            "udid" : "D2D718B9-004F-489E-84C4-E6FE50AD5EA9",
                            "isAvailable" : false,
                            "deviceTypeIdentifier" :
                            "com.apple.CoreSimulator.SimDeviceType.Apple-Watch-S
                            eries-5-40mm",
                            "state" : "Shutdown",
                            "name" : "Apple Watch Series 5 - 40mm"
                          },
                          {
                            "availabilityError" : "runtime profile not found",
                            "dataPath" :
                            "\/Users\/m\/Library\/Developer\/CoreSimulator\/Devi
                            ces\/CDB4EB1A-36A1-47AC-970C-25C98AE9DC1A\/data",
                            "logPath" :
                            "\/Users\/m\/Library\/Logs\/CoreSimulator\/CDB4EB1A-
                            36A1-47AC-970C-25C98AE9DC1A",
                            "udid" : "CDB4EB1A-36A1-47AC-970C-25C98AE9DC1A",
                            "isAvailable" : false,
                            "deviceTypeIdentifier" :
                            "com.apple.CoreSimulator.SimDeviceType.Apple-Watch-S
                            eries-5-44mm",
                            "state" : "Shutdown",
                            "name" : "Apple Watch Series 5 - 44mm"
                          }
                        ],
                        "com.apple.CoreSimulator.SimRuntime.iOS-14-0" : [
                          {
                            "dataPath" :
                            "\/Users\/m\/Library\/Developer\/CoreSimulator\/Devi
                            ces\/C28B9C3F-0309-43C5-B75A-38A17ADA1615\/data",
                            "logPath" :
                            "\/Users\/m\/Library\/Logs\/CoreSimulator\/C28B9C3F-
                            0309-43C5-B75A-38A17ADA1615",
                            "udid" : "C28B9C3F-0309-43C5-B75A-38A17ADA1615",
                            "isAvailable" : true,
                            "deviceTypeIdentifier" :
                            "com.apple.CoreSimulator.SimDeviceType.iPhone-8",
                            "state" : "Shutdown",
                            "name" : "iPhone 8"
                          },
                          {
                            "dataPath" :
                            "\/Users\/m\/Library\/Developer\/CoreSimulator\/Devi
                            ces\/A5A5C32C-4FCC-4B92-B046-F9F99A367CCB\/data",
                            "logPath" :
                            "\/Users\/m\/Library\/Logs\/CoreSimulator\/A5A5C32C-
                            4FCC-4B92-B046-F9F99A367CCB",
                            "udid" : "A5A5C32C-4FCC-4B92-B046-F9F99A367CCB",
                            "isAvailable" : true,
                            "deviceTypeIdentifier" :
                            "com.apple.CoreSimulator.SimDeviceType.iPhone-8-Plus
                            ",
                            "state" : "Shutdown",
                            "name" : "iPhone 8 Plus"
                          },
                          {
                            "dataPath" :
                            "\/Users\/m\/Library\/Developer\/CoreSimulator\/Devi
                            ces\/9BFF17E9-26F6-4EDB-93AF-4B31E523AECB\/data",
                            "logPath" :
                            "\/Users\/m\/Library\/Logs\/CoreSimulator\/9BFF17E9-
                            26F6-4EDB-93AF-4B31E523AECB",
                            "udid" : "9BFF17E9-26F6-4EDB-93AF-4B31E523AECB",
                            "isAvailable" : true,
                            "deviceTypeIdentifier" :
                            "com.apple.CoreSimulator.SimDeviceType.iPhone-11",
                            "state" : "Shutdown",
                            "name" : "iPhone 11"
                          },
                          {
                            "dataPath" :
                            "\/Users\/m\/Library\/Developer\/CoreSimulator\/Devi
                            ces\/BC19DDAF-A1CA-42FC-AD6D-D2FC65E85C60\/data",
                            "logPath" :
                            "\/Users\/m\/Library\/Logs\/CoreSimulator\/BC19DDAF-
                            A1CA-42FC-AD6D-D2FC65E85C60",
                            "udid" : "BC19DDAF-A1CA-42FC-AD6D-D2FC65E85C60",
                            "isAvailable" : true,
                            "deviceTypeIdentifier" :
                            "com.apple.CoreSimulator.SimDeviceType.iPhone-11-Pro
                            ",
                            "state" : "Shutdown",
                            "name" : "iPhone 11 Pro"
                          },
                          {
                            "dataPath" :
                            "\/Users\/m\/Library\/Developer\/CoreSimulator\/Devi
                            ces\/DD961CF5-59C6-445B-8CA1-0DA9B1E56D7E\/data",
                            "logPath" :
                            "\/Users\/m\/Library\/Logs\/CoreSimulator\/DD961CF5-
                            59C6-445B-8CA1-0DA9B1E56D7E",
                            "udid" : "DD961CF5-59C6-445B-8CA1-0DA9B1E56D7E",
                            "isAvailable" : true,
                            "deviceTypeIdentifier" :
                            "com.apple.CoreSimulator.SimDeviceType.iPhone-11-Pro
                            -Max",
                            "state" : "Shutdown",
                            "name" : "iPhone 11 Pro Max"
                          },
                          {
                            "dataPath" :
                            "\/Users\/m\/Library\/Developer\/CoreSimulator\/Devi
                            ces\/4F1C2CFA-9C49-4E01-91B6-1F8F50CAFEEC\/data",
                            "logPath" :
                            "\/Users\/m\/Library\/Logs\/CoreSimulator\/4F1C2CFA-
                            9C49-4E01-91B6-1F8F50CAFEEC",
                            "udid" : "4F1C2CFA-9C49-4E01-91B6-1F8F50CAFEEC",
                            "isAvailable" : true,
                            "deviceTypeIdentifier" :
                            "com.apple.CoreSimulator.SimDeviceType.iPhone-SE--2n
                            d-generation-",
                            "state" : "Shutdown",
                            "name" : "iPhone SE (2nd generation)"
                          },
                          {
                            "dataPath" :
                            "\/Users\/m\/Library\/Developer\/CoreSimulator\/Devi
                            ces\/E5C59B24-57AD-4B64-ABD8-9784E9F1AFA0\/data",
                            "logPath" :
                            "\/Users\/m\/Library\/Logs\/CoreSimulator\/E5C59B24-
                            57AD-4B64-ABD8-9784E9F1AFA0",
                            "udid" : "E5C59B24-57AD-4B64-ABD8-9784E9F1AFA0",
                            "isAvailable" : true,
                            "deviceTypeIdentifier" :
                            "com.apple.CoreSimulator.SimDeviceType.iPod-touch--7
                            th-generation-",
                            "state" : "Shutdown",
                            "name" : "iPod touch (7th generation)"
                          },
                          {
                            "dataPath" :
                            "\/Users\/m\/Library\/Developer\/CoreSimulator\/Devi
                            ces\/59378FAD-B727-4EFD-8A16-524869A70A9D\/data",
                            "logPath" :
                            "\/Users\/m\/Library\/Logs\/CoreSimulator\/59378FAD-
                            B727-4EFD-8A16-524869A70A9D",
                            "udid" : "59378FAD-B727-4EFD-8A16-524869A70A9D",
                            "isAvailable" : true,
                            "deviceTypeIdentifier" :
                            "com.apple.CoreSimulator.SimDeviceType.iPad-Pro--9-7
                            -inch-",
                            "state" : "Shutdown",
                            "name" : "iPad Pro (9.7-inch)"
                          },
                          {
                            "dataPath" :
                            "\/Users\/m\/Library\/Developer\/CoreSimulator\/Devi
                            ces\/AA3DBB13-5574-4EAA-B2B3-2E79D361EB53\/data",
                            "logPath" :
                            "\/Users\/m\/Library\/Logs\/CoreSimulator\/AA3DBB13-
                            5574-4EAA-B2B3-2E79D361EB53",
                            "udid" : "AA3DBB13-5574-4EAA-B2B3-2E79D361EB53",
                            "isAvailable" : true,
                            "deviceTypeIdentifier" :
                            "com.apple.CoreSimulator.SimDeviceType.iPad-Pro--11-
                            inch---2nd-generation-",
                            "state" : "Shutdown",
                            "name" : "iPad Pro (11-inch) (2nd generation)"
                          },
                          {
                            "dataPath" :
                            "\/Users\/m\/Library\/Developer\/CoreSimulator\/Devi
                            ces\/F84A0792-CDD3-4F89-880C-DBA1A263186C\/data",
                            "logPath" :
                            "\/Users\/m\/Library\/Logs\/CoreSimulator\/F84A0792-
                            CDD3-4F89-880C-DBA1A263186C",
                            "udid" : "F84A0792-CDD3-4F89-880C-DBA1A263186C",
                            "isAvailable" : true,
                            "deviceTypeIdentifier" :
                            "com.apple.CoreSimulator.SimDeviceType.iPad-Pro--12-
                            9-inch---4th-generation-",
                            "state" : "Shutdown",
                            "name" : "iPad Pro (12.9-inch) (4th generation)"
                          },
                          {
                            "dataPath" :
                            "\/Users\/m\/Library\/Developer\/CoreSimulator\/Devi
                            ces\/374B0033-8604-4632-8FD1-08940EA8EBB6\/data",
                            "logPath" :
                            "\/Users\/m\/Library\/Logs\/CoreSimulator\/374B0033-
                            8604-4632-8FD1-08940EA8EBB6",
                            "udid" : "374B0033-8604-4632-8FD1-08940EA8EBB6",
                            "isAvailable" : true,
                            "deviceTypeIdentifier" :
                            "com.apple.CoreSimulator.SimDeviceType.iPad--8th-gen
                            eration-",
                            "state" : "Shutdown",
                            "name" : "iPad (8th generation)"
                          },
                          {
                            "dataPath" :
                            "\/Users\/m\/Library\/Developer\/CoreSimulator\/Devi
                            ces\/7BB5BA18-952B-4B7C-8869-6D8948B78443\/data",
                            "logPath" :
                            "\/Users\/m\/Library\/Logs\/CoreSimulator\/7BB5BA18-
                            952B-4B7C-8869-6D8948B78443",
                            "udid" : "7BB5BA18-952B-4B7C-8869-6D8948B78443",
                            "isAvailable" : true,
                            "deviceTypeIdentifier" :
                            "com.apple.CoreSimulator.SimDeviceType.iPad-Air--4th
                            -generation-",
                            "state" : "Shutdown",
                            "name" : "iPad Air (4th generation)"
                          }
                        ],
                        "com.apple.CoreSimulator.SimRuntime.iOS-13-6" : [
                          {
                            "availabilityError" : "runtime profile not found",
                            "dataPath" :
                            "\/Users\/m\/Library\/Developer\/CoreSimulator\/Devi
                            ces\/855D7DBF-B33F-481C-93D6-2E5647830AAC\/data",
                            "logPath" :
                            "\/Users\/m\/Library\/Logs\/CoreSimulator\/855D7DBF-
                            B33F-481C-93D6-2E5647830AAC",
                            "udid" : "855D7DBF-B33F-481C-93D6-2E5647830AAC",
                            "isAvailable" : false,
                            "deviceTypeIdentifier" :
                            "com.apple.CoreSimulator.SimDeviceType.iPhone-8",
                            "state" : "Shutdown",
                            "name" : "iPhone 8"
                          },
                          {
                            "availabilityError" : "runtime profile not found",
                            "dataPath" :
                            "\/Users\/m\/Library\/Developer\/CoreSimulator\/Devi
                            ces\/F26798F1-E17A-4FC4-9CD6-225423F3923B\/data",
                            "logPath" :
                            "\/Users\/m\/Library\/Logs\/CoreSimulator\/F26798F1-
                            E17A-4FC4-9CD6-225423F3923B",
                            "udid" : "F26798F1-E17A-4FC4-9CD6-225423F3923B",
                            "isAvailable" : false,
                            "deviceTypeIdentifier" :
                            "com.apple.CoreSimulator.SimDeviceType.iPhone-8",
                            "state" : "Shutdown",
                            "name" : "iPhone 8"
                          },
                          {
                            "availabilityError" : "runtime profile not found",
                            "dataPath" :
                            "\/Users\/m\/Library\/Developer\/CoreSimulator\/Devi
                            ces\/0090E318-6AB5-470D-A728-EAD514F708A2\/data",
                            "logPath" :
                            "\/Users\/m\/Library\/Logs\/CoreSimulator\/0090E318-
                            6AB5-470D-A728-EAD514F708A2",
                            "udid" : "0090E318-6AB5-470D-A728-EAD514F708A2",
                            "isAvailable" : false,
                            "deviceTypeIdentifier" :
                            "com.apple.CoreSimulator.SimDeviceType.iPhone-8-Plus
                            ",
                            "state" : "Shutdown",
                            "name" : "iPhone 8 Plus"
                          },
                          {
                            "availabilityError" : "runtime profile not found",
                            "dataPath" :
                            "\/Users\/m\/Library\/Developer\/CoreSimulator\/Devi
                            ces\/0977F7D9-3E84-4E50-9156-B629B54E2A12\/data",
                            "logPath" :
                            "\/Users\/m\/Library\/Logs\/CoreSimulator\/0977F7D9-
                            3E84-4E50-9156-B629B54E2A12",
                            "udid" : "0977F7D9-3E84-4E50-9156-B629B54E2A12",
                            "isAvailable" : false,
                            "deviceTypeIdentifier" :
                            "com.apple.CoreSimulator.SimDeviceType.iPhone-11",
                            "state" : "Shutdown",
                            "name" : "iPhone 11"
                          },
                          {
                            "availabilityError" : "runtime profile not found",
                            "dataPath" :
                            "\/Users\/m\/Library\/Developer\/CoreSimulator\/Devi
                            ces\/7E92A616-FBBB-4697-A0B0-EA79E411F7FE\/data",
                            "logPath" :
                            "\/Users\/m\/Library\/Logs\/CoreSimulator\/7E92A616-
                            FBBB-4697-A0B0-EA79E411F7FE",
                            "udid" : "7E92A616-FBBB-4697-A0B0-EA79E411F7FE",
                            "isAvailable" : false,
                            "deviceTypeIdentifier" :
                            "com.apple.CoreSimulator.SimDeviceType.iPhone-11-Pro
                            ",
                            "state" : "Shutdown",
                            "name" : "iPhone 11 Pro"
                          },
                          {
                            "availabilityError" : "runtime profile not found",
                            "dataPath" :
                            "\/Users\/m\/Library\/Developer\/CoreSimulator\/Devi
                            ces\/522E903F-40FC-4CD0-8446-F0CF1AE486DF\/data",
                            "logPath" :
                            "\/Users\/m\/Library\/Logs\/CoreSimulator\/522E903F-
                            40FC-4CD0-8446-F0CF1AE486DF",
                            "udid" : "522E903F-40FC-4CD0-8446-F0CF1AE486DF",
                            "isAvailable" : false,
                            "deviceTypeIdentifier" :
                            "com.apple.CoreSimulator.SimDeviceType.iPhone-11-Pro
                            -Max",
                            "state" : "Shutdown",
                            "name" : "iPhone 11 Pro Max"
                          },
                          {
                            "availabilityError" : "runtime profile not found",
                            "dataPath" :
                            "\/Users\/m\/Library\/Developer\/CoreSimulator\/Devi
                            ces\/E337578C-930C-470E-B586-71AB9F6752FA\/data",
                            "logPath" :
                            "\/Users\/m\/Library\/Logs\/CoreSimulator\/E337578C-
                            930C-470E-B586-71AB9F6752FA",
                            "udid" : "E337578C-930C-470E-B586-71AB9F6752FA",
                            "isAvailable" : false,
                            "deviceTypeIdentifier" :
                            "com.apple.CoreSimulator.SimDeviceType.iPhone-SE--2n
                            d-generation-",
                            "state" : "Shutdown",
                            "name" : "iPhone SE (2nd generation)"
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                            ces\/F523996C-FA53-4CCE-8DA5-B6797A8D1A15\/data",
                            "logPath" :
                            "\/Users\/m\/Library\/Logs\/CoreSimulator\/F523996C-
                            FA53-4CCE-8DA5-B6797A8D1A15",
                            "udid" : "F523996C-FA53-4CCE-8DA5-B6797A8D1A15",
                            "isAvailable" : false,
                            "deviceTypeIdentifier" :
                            "com.apple.CoreSimulator.SimDeviceType.iPad-Pro--12-
                            9-inch---4th-generation-",
                            "state" : "Shutdown",
                            "name" : "iPad Pro (12.9-inch) (4th generation)"
                          },
                          {
                            "availabilityError" : "runtime profile not found",
                            "dataPath" :
                            "\/Users\/m\/Library\/Developer\/CoreSimulator\/Devi
                            ces\/303FAA3E-71CD-4A47-A3F6-C42533B513AC\/data",
                            "logPath" :
                            "\/Users\/m\/Library\/Logs\/CoreSimulator\/303FAA3E-
                            71CD-4A47-A3F6-C42533B513AC",
                            "udid" : "303FAA3E-71CD-4A47-A3F6-C42533B513AC",
                            "isAvailable" : false,
                            "deviceTypeIdentifier" :
                            "com.apple.CoreSimulator.SimDeviceType.iPad-Air--3rd
                            -generation-",
                            "state" : "Shutdown",
                            "name" : "iPad Air (3rd generation)"
                          }
                        ]
                      }
                    }
[+3898 ms] [
                      {
                        "simulator" : true,
                        "operatingSystemVersion" : "13.5 (17F61)",
                        "available" : true,
                        "platform" : "com.apple.platform.iphonesimulator",
                        "modelCode" : "iPad8,9",
                        "identifier" : "58FD24F1-F0F2-4F88-9FF1-AB13239F7E71",
                        "architecture" : "x86_64",
                        "modelUTI" : "com.apple.ipad-pro-11-2nd-1",
                        "modelName" : "iPad Pro (11-inch) (2nd generation)",
                        "name" : "iPad Pro (11-inch) (2nd generation)"
                      },
                      {
                        "simulator" : true,
                        "operatingSystemVersion" : "14.0 (18A372)",
                        "available" : true,
                        "platform" : "com.apple.platform.iphonesimulator",
                        "modelCode" : "iPad8,9",
                        "identifier" : "AA3DBB13-5574-4EAA-B2B3-2E79D361EB53",
                        "architecture" : "x86_64",
                        "modelUTI" : "com.apple.ipad-pro-11-2nd-1",
                        "modelName" : "iPad Pro (11-inch) (2nd generation)",
                        "name" : "iPad Pro (11-inch) (2nd generation)"
                      },
                      {
                        "simulator" : true,
                        "operatingSystemVersion" : "7.0 (18R382)",
                        "available" : true,
                        "platform" : "com.apple.platform.watchsimulator",
                        "modelCode" : "Watch5,3",
                        "identifier" : "55E0937D-CCAF-4668-934A-0B71DE126322",
                        "architecture" : "x86_64",
                        "modelUTI" : "com.apple.watch-series5-1",
                        "modelName" : "Apple Watch Series 5 - 40mm",
                        "name" : "Apple Watch Series 5 - 40mm"
                      },
                      {
                        "simulator" : true,
                        "operatingSystemVersion" : "14.0 (18A372)",
                        "available" : true,
                        "platform" : "com.apple.platform.iphonesimulator",
                        "modelCode" : "iPhone12,3",
                        "identifier" : "BC19DDAF-A1CA-42FC-AD6D-D2FC65E85C60",
                        "architecture" : "x86_64",
                        "modelUTI" : "com.apple.iphone-11-pro-1",
                        "modelName" : "iPhone 11 Pro",
                        "name" : "iPhone 11 Pro"
                      },
                      {
                        "simulator" : true,
                        "operatingSystemVersion" : "14.0 (18A372)",
                        "available" : true,
                        "platform" : "com.apple.platform.iphonesimulator",
                        "modelCode" : "iPhone10,4",
                        "identifier" : "C28B9C3F-0309-43C5-B75A-38A17ADA1615",
                        "architecture" : "x86_64",
                        "modelUTI" : "com.apple.iphone-8-2",
                        "modelName" : "iPhone 8",
                        "name" : "iPhone 8"
                      },
                      {
                        "simulator" : true,
                        "operatingSystemVersion" : "13.5 (17F61)",
                        "available" : true,
                        "platform" : "com.apple.platform.iphonesimulator",
                        "modelCode" : "iPhone10,5",
                        "identifier" : "727B3A6A-4ACD-44DF-A878-170284BEFDEF",
                        "architecture" : "x86_64",
                        "modelUTI" : "com.apple.iphone-8-plus-2",
                        "modelName" : "iPhone 8 Plus",
                        "name" : "iPhone 8 Plus"
                      },
                      {
                        "simulator" : true,
                        "operatingSystemVersion" : "14.0 (18J383)",
                        "available" : true,
                        "platform" : "com.apple.platform.appletvsimulator",
                        "modelCode" : "AppleTV5,3",
                        "identifier" : "31BBB06A-B991-4D1B-86A2-5C250A2317EC",
                        "architecture" : "x86_64",
                        "modelUTI" : "com.apple.apple-tv-4",
                        "modelName" : "Apple TV",
                        "name" : "Apple TV"
                      },
                      {
                        "simulator" : true,
                        "operatingSystemVersion" : "13.5 (17F61)",
                        "available" : true,
                        "platform" : "com.apple.platform.iphonesimulator",
                        "modelCode" : "iPhone12,1",
                        "identifier" : "E2B77884-79D4-45EC-A73F-7AC431204E06",
                        "architecture" : "x86_64",
                        "modelUTI" : "com.apple.iphone-11-1",
                        "modelName" : "iPhone 11",
                        "name" : "iPhone 11"
                      },
                      {
                        "simulator" : true,
                        "operatingSystemVersion" : "14.0 (18A372)",
                        "available" : true,
                        "platform" : "com.apple.platform.iphonesimulator",
                        "modelCode" : "iPad8,12",
                        "identifier" : "F84A0792-CDD3-4F89-880C-DBA1A263186C",
                        "architecture" : "x86_64",
                        "modelUTI" : "com.apple.ipad-pro-12point9-4th-1",
                        "modelName" : "iPad Pro (12.9-inch) (4th generation)",
                        "name" : "iPad Pro (12.9-inch) (4th generation)"
                      },
                      {
                        "simulator" : true,
                        "operatingSystemVersion" : "7.0 (18R382)",
                        "available" : true,
                        "platform" : "com.apple.platform.watchsimulator",
                        "modelCode" : "Watch6,1",
                        "identifier" : "A830AF3A-E793-4E89-9380-5076F2251CB5",
                        "architecture" : "x86_64",
                        "modelUTI" : "com.apple.watch-series6-1",
                        "modelName" : "Apple Watch Series 6 - 40mm",
                        "name" : "Apple Watch Series 6 - 40mm"
                      },
                      {
                        "simulator" : true,
                        "operatingSystemVersion" : "14.0 (18A372)",
                        "available" : true,
                        "platform" : "com.apple.platform.iphonesimulator",
                        "modelCode" : "iPhone12,5",
                        "identifier" : "DD961CF5-59C6-445B-8CA1-0DA9B1E56D7E",
                        "architecture" : "x86_64",
                        "modelUTI" : "com.apple.iphone-11-pro-max-1",
                        "modelName" : "iPhone 11 Pro Max",
                        "name" : "iPhone 11 Pro Max"
                      },
                      {
                        "simulator" : true,
                        "operatingSystemVersion" : "13.5 (17F61)",
                        "available" : true,
                        "platform" : "com.apple.platform.iphonesimulator",
                        "modelCode" : "iPad8,12",
                        "identifier" : "0539D01D-438A-43ED-8AA9-EB828ADECFE9",
                        "architecture" : "x86_64",
                        "modelUTI" : "com.apple.ipad-pro-12point9-4th-1",
                        "modelName" : "iPad Pro (12.9-inch) (4th generation)",
                        "name" : "iPad Pro (12.9-inch) (4th generation)"
                      },
                      {
                        "simulator" : true,
                        "operatingSystemVersion" : "13.5 (17F61)",
                        "available" : true,
                        "platform" : "com.apple.platform.iphonesimulator",
                        "modelCode" : "iPhone12,8",
                        "identifier" : "3F5698B4-27DE-447E-8043-267FFD2689C2",
                        "architecture" : "x86_64",
                        "modelUTI" : "com.apple.iphone-se-1",
                        "modelName" : "iPhone SE (2nd generation)",
                        "name" : "iPhone SE (2nd generation)"
                      },
                      {
                        "simulator" : true,
                        "operatingSystemVersion" : "14.0 (18A372)",
                        "available" : true,
                        "platform" : "com.apple.platform.iphonesimulator",
                        "modelCode" : "iPad6,4",
                        "identifier" : "59378FAD-B727-4EFD-8A16-524869A70A9D",
                        "architecture" : "x86_64",
                        "modelUTI" : "com.apple.ipad-pro-9point7-a1674-b9b7ba",
                        "modelName" : "iPad Pro (9.7-inch)",
                        "name" : "iPad Pro (9.7-inch)"
                      },
                      {
                        "simulator" : true,
                        "operatingSystemVersion" : "13.5 (17F61)",
                        "available" : true,
                        "platform" : "com.apple.platform.iphonesimulator",
                        "modelCode" : "iPad6,4",
                        "identifier" : "9E8E6E2D-72DE-49EE-ACFB-A12CC6BC78D0",
                        "architecture" : "x86_64",
                        "modelUTI" : "com.apple.ipad-pro-9point7-a1674-b9b7ba",
                        "modelName" : "iPad Pro (9.7-inch)",
                        "name" : "iPad Pro (9.7-inch)"
                      },
                      {
                        "simulator" : true,
                        "operatingSystemVersion" : "13.5 (17F61)",
                        "available" : true,
                        "platform" : "com.apple.platform.iphonesimulator",
                        "modelCode" : "iPad7,12",
                        "identifier" : "AD6ACAA9-2CAB-40C0-84A5-4768CC315E31",
                        "architecture" : "x86_64",
                        "modelUTI" : "com.apple.ipad-7-wwan-1",
                        "modelName" : "iPad (7th generation)",
                        "name" : "iPad (7th generation)"
                      },
                      {
                        "simulator" : true,
                        "operatingSystemVersion" : "14.0 (18J383)",
                        "available" : true,
                        "platform" : "com.apple.platform.appletvsimulator",
                        "modelCode" : "AppleTV6,2",
                        "identifier" : "D16FA3C2-319F-43E5-89B2-6369DE2BA6D5",
                        "architecture" : "x86_64",
                        "modelUTI" : "com.apple.apple-tv-4k",
                        "modelName" : "Apple TV 4K",
                        "name" : "Apple TV 4K"
                      },
                      {
                        "simulator" : true,
                        "operatingSystemVersion" : "13.5 (17F61)",
                        "available" : true,
                        "platform" : "com.apple.platform.iphonesimulator",
                        "modelCode" : "iPhone12,3",
                        "identifier" : "357B2A77-3495-488D-B09F-4DA434B4E049",
                        "architecture" : "x86_64",
                        "modelUTI" : "com.apple.iphone-11-pro-1",
                        "modelName" : "iPhone 11 Pro",
                        "name" : "iPhone 11 Pro"
                      },
                      {
                        "simulator" : true,
                        "operatingSystemVersion" : "14.0 (18A372)",
                        "available" : true,
                        "platform" : "com.apple.platform.iphonesimulator",
                        "modelCode" : "iPod9,1",
                        "identifier" : "E5C59B24-57AD-4B64-ABD8-9784E9F1AFA0",
                        "architecture" : "x86_64",
                        "modelUTI" : "com.apple.ipod-touch-7-2",
                        "modelName" : "iPod touch (7th generation)",
                        "name" : "iPod touch (7th generation)"
                      },
                      {
                        "simulator" : true,
                        "operatingSystemVersion" : "7.0 (18R382)",
                        "available" : true,
                        "platform" : "com.apple.platform.watchsimulator",
                        "modelCode" : "Watch5,4",
                        "identifier" : "5F1E1CBA-1F1E-4F59-AB29-1194B5B54FBB",
                        "architecture" : "x86_64",
                        "modelUTI" : "com.apple.watch-series5-1",
                        "modelName" : "Apple Watch Series 5 - 44mm",
                        "name" : "Apple Watch Series 5 - 44mm"
                      },
                      {
                        "simulator" : true,
                        "operatingSystemVersion" : "14.0 (18A372)",
                        "available" : true,
                        "platform" : "com.apple.platform.iphonesimulator",
                        "modelCode" : "iPhone12,1",
                        "identifier" : "9BFF17E9-26F6-4EDB-93AF-4B31E523AECB",
                        "architecture" : "x86_64",
                        "modelUTI" : "com.apple.iphone-11-1",
                        "modelName" : "iPhone 11",
                        "name" : "iPhone 11"
                      },
                      {
                        "simulator" : true,
                        "operatingSystemVersion" : "7.0 (18R382)",
                        "available" : true,
                        "platform" : "com.apple.platform.watchsimulator",
                        "modelCode" : "Watch6,2",
                        "identifier" : "BF57C628-5ED1-489D-ABBE-F34D04EA6FC9",
                        "architecture" : "x86_64",
                        "modelUTI" : "com.apple.watch-series6-1",
                        "modelName" : "Apple Watch Series 6 - 44mm",
                        "name" : "Apple Watch Series 6 - 44mm"
                      },
                      {
                        "simulator" : true,
                        "operatingSystemVersion" : "14.0 (18J383)",
                        "available" : true,
                        "platform" : "com.apple.platform.appletvsimulator",
                        "modelCode" : "AppleTV6,2",
                        "identifier" : "3D3C50AF-7419-4A8C-9578-F054EB6D1971",
                        "architecture" : "x86_64",
                        "modelUTI" : "com.apple.apple-tv-4k",
                        "modelName" : "Apple TV 4K (at 1080p)",
                        "name" : "Apple TV 4K (at 1080p)"
                      },
                      {
                        "simulator" : true,
                        "operatingSystemVersion" : "13.5 (17F61)",
                        "available" : true,
                        "platform" : "com.apple.platform.iphonesimulator",
                        "modelCode" : "iPad11,3",
                        "identifier" : "9BDDFDE3-7ECC-4CC8-8E00-255BD62599BE",
                        "architecture" : "x86_64",
                        "modelUTI" : "com.apple.ipad-air3-wifi-1",
                        "modelName" : "iPad Air (3rd generation)",
                        "name" : "iPad Air (3rd generation)"
                      },
                      {
                        "simulator" : true,
                        "operatingSystemVersion" : "13.5 (17F61)",
                        "available" : true,
                        "platform" : "com.apple.platform.iphonesimulator",
                        "modelCode" : "iPhone10,4",
                        "identifier" : "13AE9545-D479-4705-ABC2-8006A9B07D4E",
                        "architecture" : "x86_64",
                        "modelUTI" : "com.apple.iphone-8-2",
                        "modelName" : "iPhone 8",
                        "name" : "iPhone 8"
                      },
                      {
                        "simulator" : true,
                        "operatingSystemVersion" : "14.0 (18A372)",
                        "available" : true,
                        "platform" : "com.apple.platform.iphonesimulator",
                        "modelCode" : "iPad11,7",
                        "identifier" : "374B0033-8604-4632-8FD1-08940EA8EBB6",
                        "architecture" : "x86_64",
                        "modelUTI" : "com.apple.ipad-8-wwan-1",
                        "modelName" : "iPad (8th generation)",
                        "name" : "iPad (8th generation)"
                      },
                      {
                        "simulator" : true,
                        "operatingSystemVersion" : "14.0 (18A372)",
                        "available" : true,
                        "platform" : "com.apple.platform.iphonesimulator",
                        "modelCode" : "iPhone10,5",
                        "identifier" : "A5A5C32C-4FCC-4B92-B046-F9F99A367CCB",
                        "architecture" : "x86_64",
                        "modelUTI" : "com.apple.iphone-8-plus-2",
                        "modelName" : "iPhone 8 Plus",
                        "name" : "iPhone 8 Plus"
                      },
                      {
                        "simulator" : true,
                        "operatingSystemVersion" : "14.0 (18A372)",
                        "available" : true,
                        "platform" : "com.apple.platform.iphonesimulator",
                        "modelCode" : "iPhone12,8",
                        "identifier" : "4F1C2CFA-9C49-4E01-91B6-1F8F50CAFEEC",
                        "architecture" : "x86_64",
                        "modelUTI" : "com.apple.iphone-se-1",
                        "modelName" : "iPhone SE (2nd generation)",
                        "name" : "iPhone SE (2nd generation)"
                      },
                      {
                        "simulator" : true,
                        "operatingSystemVersion" : "13.5 (17F61)",
                        "available" : true,
                        "platform" : "com.apple.platform.iphonesimulator",
                        "modelCode" : "iPhone12,5",
                        "identifier" : "6EAA648A-ACEF-4D82-9899-55325F17C622",
                        "architecture" : "x86_64",
                        "modelUTI" : "com.apple.iphone-11-pro-max-1",
                        "modelName" : "iPhone 11 Pro Max",
                        "name" : "iPhone 11 Pro Max"
                      },
                      {
                        "simulator" : true,
                        "operatingSystemVersion" : "14.0 (18A372)",
                        "available" : true,
                        "platform" : "com.apple.platform.iphonesimulator",
                        "modelCode" : "iPad13,2",
                        "identifier" : "7BB5BA18-952B-4B7C-8869-6D8948B78443",
                        "architecture" : "x86_64",
                        "modelUTI" : "com.apple.ipad",
                        "modelName" : "iPad Air (4th generation)",
                        "name" : "iPad Air (4th generation)"
                      }
                    ]
[   +4 ms] Artifact Instance of 'MaterialFonts' is not required, skipping
update.
[        ] Artifact Instance of 'GradleWrapper' is not required, skipping
update.
[        ] Artifact Instance of 'AndroidMavenArtifacts' is not required,
skipping update.
[        ] Artifact Instance of 'AndroidGenSnapshotArtifacts' is not required,
skipping update.
[        ] Artifact Instance of 'AndroidInternalBuildArtifacts' is not required,
skipping update.
[        ] Artifact Instance of 'IOSEngineArtifacts' is not required, skipping
update.
[        ] Artifact Instance of 'FlutterWebSdk' is not required, skipping
update.
[        ] Artifact Instance of 'FlutterSdk' is not required, skipping update.
[        ] Artifact Instance of 'WindowsEngineArtifacts' is not required,
skipping update.
[        ] Artifact Instance of 'MacOSEngineArtifacts' is not required, skipping
update.
[        ] Artifact Instance of 'LinuxEngineArtifacts' is not required, skipping
update.
[        ] Artifact Instance of 'LinuxFuchsiaSDKArtifacts' is not required,
skipping update.
[        ] Artifact Instance of 'MacOSFuchsiaSDKArtifacts' is not required,
skipping update.
[        ] Artifact Instance of 'FlutterRunnerSDKArtifacts' is not required,
skipping update.
[        ] Artifact Instance of 'FlutterRunnerDebugSymbols' is not required,
skipping update.
[        ] Artifact Instance of 'IosUsbArtifacts' is not required, skipping
update.
[        ] Artifact Instance of 'IosUsbArtifacts' is not required, skipping
update.
[        ] Artifact Instance of 'IosUsbArtifacts' is not required, skipping
update.
[        ] Artifact Instance of 'IosUsbArtifacts' is not required, skipping
update.
[        ] Artifact Instance of 'IosUsbArtifacts' is not required, skipping
update.
[        ] Artifact Instance of 'FontSubsetArtifacts' is not required, skipping
update.
[        ] Artifact Instance of 'PubDependencies' is not required, skipping
update.
[  +57 ms] No supported devices connected.
[  +14 ms] "flutter run" took 4,905ms.
[   +6 ms] 
           #0      throwToolExit
(package:flutter_tools/src/base/common.dart:14:3)
           #1      RunCommand.validateCommand
           (package:flutter_tools/src/commands/run.dart:360:7)
           
           #2      FlutterCommand.verifyThenRunCommand
           (package:flutter_tools/src/runner/flutter_command.dart:972:11)
           
           #3      FlutterCommand.run.
           (package:flutter_tools/src/runner/flutter_command.dart:875:33)
           
           #4      FlutterCommand.run.
           (package:flutter_tools/src/runner/flutter_command.dart)
           #5      AppContext.run.
           (package:flutter_tools/src/base/context.dart:150:29)
           #6      _rootRun (dart:async/zone.dart:1190:13)
           #7      _CustomZone.run (dart:async/zone.dart:1093:19)
           #8      _runZoned (dart:async/zone.dart:1630:10)
           #9      runZoned (dart:async/zone.dart:1550:10)
           #10     AppContext.run
(package:flutter_tools/src/base/context.dart:149:18)
           #11     FlutterCommand.run
           (package:flutter_tools/src/runner/flutter_command.dart:864:20)
           #12     CommandRunner.runCommand
(package:args/command_runner.dart:197:27)
           #13     FlutterCommandRunner.runCommand.
           (package:flutter_tools/src/runner/flutter_command_runner.dart:335:21)
           #14     _rootRunUnary (dart:async/zone.dart:1198:47)
           #15     _CustomZone.runUnary (dart:async/zone.dart:1100:19)
           #16     _FutureListener.handleValue
(dart:async/future_impl.dart:143:18)
           #17     Future._propagateToListeners.handleValueCallback
           (dart:async/future_impl.dart:696:45)
           #18     Future._propagateToListeners
(dart:async/future_impl.dart:725:32)
           #19     Future._completeWithValue (dart:async/future_impl.dart:529:5)
           #20     _AsyncAwaitCompleter.complete
(dart:async-patch/async_patch.dart:40:15)
           #21     _completeOnAsyncReturn
(dart:async-patch/async_patch.dart:311:13)
           #22     FlutterVersion.checkFlutterVersionFreshness
           (package:flutter_tools/src/version.dart)
           #23     _rootRunUnary (dart:async/zone.dart:1198:47)
           #24     _CustomZone.runUnary (dart:async/zone.dart:1100:19)
           #25     _FutureListener.handleValue
(dart:async/future_impl.dart:143:18)
           #26     Future._propagateToListeners.handleValueCallback
           (dart:async/future_impl.dart:696:45)
           #27     Future._propagateToListeners
(dart:async/future_impl.dart:725:32)
           #28     Future._completeWithValue (dart:async/future_impl.dart:529:5)
           #29     Future._asyncCompleteWithValue.
           (dart:async/future_impl.dart:567:7)
           #30     _rootRun (dart:async/zone.dart:1190:13)
           #31     _CustomZone.run (dart:async/zone.dart:1093:19)
           #32     _CustomZone.runGuarded (dart:async/zone.dart:997:7)
           #33     _CustomZone.bindCallbackGuarded.
           (dart:async/zone.dart:1037:23)
           #34     _microtaskLoop (dart:async/schedule_microtask.dart:41:21)
           #35     _startMicrotaskLoop (dart:async/schedule_microtask.dart:50:5)
           #36     _runPendingImmediateCallback
           (dart:isolate-patch/isolate_patch.dart:118:13)
           #37     _RawReceivePortImpl._handleMessage
           (dart:isolate-patch/isolate_patch.dart:169:5)

[ +5 ms] ensureAnalyticsSent: 0ms
[ +1 ms] Running shutdown hooks
[ ] Shutdown hooks complete
[ ] exiting with code 1

This phenomenon does not appear in the code that switches to channel stable:

Version outputs:

# flutter --version
Flutter 1.22.2 • channel stable • https://github.com/flutter/flutter.git
Framework • revision 84f3d28555 (3 天前) • 2020-10-15 16:26:19 -0700
Engine • revision b8752bbfff
Tools • Dart 2.10.2
Doctor outputs:

# flutter doctor
Doctor summary (to see all details, run flutter doctor -v):
[✓] Flutter (Channel stable, 1.22.2, on Mac OS X 10.15.6 19G2021, locale zh-Hans-CN)
[✓] Android toolchain - develop for Android devices (Android SDK version 30.0.1)
[✓] Xcode - develop for iOS and macOS (Xcode 12.0.1)
[!] Android Studio (version 4.1)
    ✗ Flutter plugin not installed; this adds Flutter specific functionality.
    ✗ Dart plugin not installed; this adds Dart specific functionality.
[✓] Proxy Configuration

[!] Connected device
! No devices available

! Doctor found issues in 2 categories.

Run logs:

# flutter run -v
[ +126 ms] executing: [/Users/m/development/flutter/] git -c
log.showSignature=false log -n 1 --pretty=format:%H
[  +42 ms] Exit code 0 from: git -c log.showSignature=false log -n 1
--pretty=format:%H
[        ] 84f3d28555368a70270e9ac8390a9441df95e752
[        ] executing: [/Users/m/development/flutter/] git tag --points-at HEAD
[  +17 ms] Exit code 0 from: git tag --points-at HEAD
[        ] 1.22.2
[  +11 ms] executing: [/Users/m/development/flutter/] git rev-parse --abbrev-ref
--symbolic @{u}
[   +6 ms] Exit code 0 from: git rev-parse --abbrev-ref --symbolic @{u}
[        ] origin/stable
[        ] executing: [/Users/m/development/flutter/] git ls-remote --get-url
origin
[   +5 ms] Exit code 0 from: git ls-remote --get-url origin
[        ] https://github.com/flutter/flutter.git
[  +41 ms] executing: [/Users/m/development/flutter/] git rev-parse --abbrev-ref
HEAD
[   +7 ms] Exit code 0 from: git rev-parse --abbrev-ref HEAD
[        ] stable
[  +41 ms] Artifact Instance of 'AndroidMavenArtifacts' is not required,
skipping update.
[        ] Artifact Instance of 'AndroidGenSnapshotArtifacts' is not required,
skipping update.
[        ] Artifact Instance of 'AndroidInternalBuildArtifacts' is not required,
skipping update.
[        ] Artifact Instance of 'IOSEngineArtifacts' is not required, skipping
update.
[        ] Artifact Instance of 'FlutterWebSdk' is not required, skipping
update.
[   +3 ms] Artifact Instance of 'WindowsEngineArtifacts' is not required,
skipping update.
[        ] Artifact Instance of 'MacOSEngineArtifacts' is not required, skipping
update.
[        ] Artifact Instance of 'LinuxEngineArtifacts' is not required, skipping
update.
[        ] Artifact Instance of 'LinuxFuchsiaSDKArtifacts' is not required,
skipping update.
[        ] Artifact Instance of 'MacOSFuchsiaSDKArtifacts' is not required,
skipping update.
[        ] Artifact Instance of 'FlutterRunnerSDKArtifacts' is not required,
skipping update.
[        ] Artifact Instance of 'FlutterRunnerDebugSymbols' is not required,
skipping update.
[  +15 ms] executing: /Users/m/Library/Android/sdk/platform-tools/adb devices -l
[   +8 ms] executing: /usr/bin/xcode-select --print-path
[   +8 ms] Exit code 0 from: /usr/bin/xcode-select --print-path
[        ] /Applications/Xcode.app/Contents/Developer
[   +1 ms] executing: /usr/bin/xcodebuild -version
[ +793 ms] Exit code 0 from: /usr/bin/xcodebuild -version
[        ] Xcode 12.0.1
           Build version 12A7300
[   +2 ms] executing: xcrun --find xcdevice
[   +8 ms] Exit code 0 from: xcrun --find xcdevice
[        ] /Applications/Xcode.app/Contents/Developer/usr/bin/xcdevice
[        ] executing: xcrun xcdevice list --timeout 2
[   +3 ms] /usr/bin/xcrun simctl list --json devices
[        ] executing: /usr/bin/xcrun simctl list --json devices
[  +35 ms] List of devices attached
[  +95 ms] {
             "devices" : {
               "com.apple.CoreSimulator.SimRuntime.tvOS-13-4" : [
                 {
                   "availabilityError" : "runtime profile not found",
                   "dataPath" :
                   "\/Users\/m\/Library\/Developer\/CoreSimulator\/Devices\/EEE3
                   E50A-9C8C-4982-B350-34299FD31520\/data",
                   "logPath" :
                   "\/Users\/m\/Library\/Logs\/CoreSimulator\/EEE3E50A-9C8C-4982
                   -B350-34299FD31520",
                   "udid" : "EEE3E50A-9C8C-4982-B350-34299FD31520",
                   "isAvailable" : false,
                   "deviceTypeIdentifier" :
                   "com.apple.CoreSimulator.SimDeviceType.Apple-TV-1080p",
                   "state" : "Shutdown",
                   "name" : "Apple TV"
                 },
                 {
                   "availabilityError" : "runtime profile not found",
                   "dataPath" :
                   "\/Users\/m\/Library\/Developer\/CoreSimulator\/Devices\/F878
                   0106-365E-414E-BC3C-C78F37A50719\/data",
                   "logPath" :
                   "\/Users\/m\/Library\/Logs\/CoreSimulator\/F8780106-365E-414E
                   -BC3C-C78F37A50719",
                   "udid" : "F8780106-365E-414E-BC3C-C78F37A50719",
                   "isAvailable" : false,
                   "deviceTypeIdentifier" :
                   "com.apple.CoreSimulator.SimDeviceType.Apple-TV-4K-4K",
                   "state" : "Shutdown",
                   "name" : "Apple TV 4K"
                 },
                 {
                   "availabilityError" : "runtime profile not found",
                   "dataPath" :
                   "\/Users\/m\/Library\/Developer\/CoreSimulator\/Devices\/F8CF
                   D2B0-E0FF-4AF4-930A-958CA5B568F7\/data",
                   "logPath" :
                   "\/Users\/m\/Library\/Logs\/CoreSimulator\/F8CFD2B0-E0FF-4AF4
                   -930A-958CA5B568F7",
                   "udid" : "F8CFD2B0-E0FF-4AF4-930A-958CA5B568F7",
                   "isAvailable" : false,
                   "deviceTypeIdentifier" :
                   "com.apple.CoreSimulator.SimDeviceType.Apple-TV-4K-1080p",
                   "state" : "Shutdown",
                   "name" : "Apple TV 4K (at 1080p)"
                 }
               ],
               "com.apple.CoreSimulator.SimRuntime.watchOS-6-2" : [
                 {
                   "availabilityError" : "runtime profile not found",
                   "dataPath" :
                   "\/Users\/m\/Library\/Developer\/CoreSimulator\/Devices\/B9F3
                   4BEB-1D87-481E-A024-E674BDAF3E92\/data",
                   "logPath" :
                   "\/Users\/m\/Library\/Logs\/CoreSimulator\/B9F34BEB-1D87-481E
                   -A024-E674BDAF3E92",
                   "udid" : "B9F34BEB-1D87-481E-A024-E674BDAF3E92",
                   "isAvailable" : false,
                   "deviceTypeIdentifier" :
                   "com.apple.CoreSimulator.SimDeviceType.Apple-Watch-Series-4-4
                   0mm",
                   "state" : "Shutdown",
                   "name" : "Apple Watch Series 4 - 40mm"
                 },
                 {
                   "availabilityError" : "runtime profile not found",
                   "dataPath" :
                   "\/Users\/m\/Library\/Developer\/CoreSimulator\/Devices\/3B3D
                   5385-0925-4CFE-B7C2-88A41B6E8E46\/data",
                   "logPath" :
                   "\/Users\/m\/Library\/Logs\/CoreSimulator\/3B3D5385-0925-4CFE
                   -B7C2-88A41B6E8E46",
                   "udid" : "3B3D5385-0925-4CFE-B7C2-88A41B6E8E46",
                   "isAvailable" : false,
                   "deviceTypeIdentifier" :
                   "com.apple.CoreSimulator.SimDeviceType.Apple-Watch-Series-4-4
                   4mm",
                   "state" : "Shutdown",
                   "name" : "Apple Watch Series 4 - 44mm"
                 },
                 {
                   "availabilityError" : "runtime profile not found",
                   "dataPath" :
                   "\/Users\/m\/Library\/Developer\/CoreSimulator\/Devices\/D2D7
                   18B9-004F-489E-84C4-E6FE50AD5EA9\/data",
                   "logPath" :
                   "\/Users\/m\/Library\/Logs\/CoreSimulator\/D2D718B9-004F-489E
                   -84C4-E6FE50AD5EA9",
                   "udid" : "D2D718B9-004F-489E-84C4-E6FE50AD5EA9",
                   "isAvailable" : false,
                   "deviceTypeIdentifier" :
                   "com.apple.CoreSimulator.SimDeviceType.Apple-Watch-Series-5-4
                   0mm",
                   "state" : "Shutdown",
                   "name" : "Apple Watch Series 5 - 40mm"
                 },
                 {
                   "availabilityError" : "runtime profile not found",
                   "dataPath" :
                   "\/Users\/m\/Library\/Developer\/CoreSimulator\/Devices\/CDB4
                   EB1A-36A1-47AC-970C-25C98AE9DC1A\/data",
                   "logPath" :
                   "\/Users\/m\/Library\/Logs\/CoreSimulator\/CDB4EB1A-36A1-47AC
                   -970C-25C98AE9DC1A",
                   "udid" : "CDB4EB1A-36A1-47AC-970C-25C98AE9DC1A",
                   "isAvailable" : false,
                   "deviceTypeIdentifier" :
                   "com.apple.CoreSimulator.SimDeviceType.Apple-Watch-Series-5-4
                   4mm",
                   "state" : "Shutdown",
                   "name" : "Apple Watch Series 5 - 44mm"
                 }
               ],
               "com.apple.CoreSimulator.SimRuntime.iOS-14-0" : [
                 {
                   "dataPath" :
                   "\/Users\/m\/Library\/Developer\/CoreSimulator\/Devices\/C28B
                   9C3F-0309-43C5-B75A-38A17ADA1615\/data",
                   "logPath" :
                   "\/Users\/m\/Library\/Logs\/CoreSimulator\/C28B9C3F-0309-43C5
                   -B75A-38A17ADA1615",
                   "udid" : "C28B9C3F-0309-43C5-B75A-38A17ADA1615",
                   "isAvailable" : true,
                   "deviceTypeIdentifier" :
                   "com.apple.CoreSimulator.SimDeviceType.iPhone-8",
                   "state" : "Shutdown",
                   "name" : "iPhone 8"
                 },
                 {
                   "dataPath" :
                   "\/Users\/m\/Library\/Developer\/CoreSimulator\/Devices\/A5A5
                   C32C-4FCC-4B92-B046-F9F99A367CCB\/data",
                   "logPath" :
                   "\/Users\/m\/Library\/Logs\/CoreSimulator\/A5A5C32C-4FCC-4B92
                   -B046-F9F99A367CCB",
                   "udid" : "A5A5C32C-4FCC-4B92-B046-F9F99A367CCB",
                   "isAvailable" : true,
                   "deviceTypeIdentifier" :
                   "com.apple.CoreSimulator.SimDeviceType.iPhone-8-Plus",
                   "state" : "Shutdown",
                   "name" : "iPhone 8 Plus"
                 },
                 {
                   "dataPath" :
                   "\/Users\/m\/Library\/Developer\/CoreSimulator\/Devices\/9BFF
                   17E9-26F6-4EDB-93AF-4B31E523AECB\/data",
                   "logPath" :
                   "\/Users\/m\/Library\/Logs\/CoreSimulator\/9BFF17E9-26F6-4EDB
                   -93AF-4B31E523AECB",
                   "udid" : "9BFF17E9-26F6-4EDB-93AF-4B31E523AECB",
                   "isAvailable" : true,
                   "deviceTypeIdentifier" :
                   "com.apple.CoreSimulator.SimDeviceType.iPhone-11",
                   "state" : "Shutdown",
                   "name" : "iPhone 11"
                 },
                 {
                   "dataPath" :
                   "\/Users\/m\/Library\/Developer\/CoreSimulator\/Devices\/BC19
                   DDAF-A1CA-42FC-AD6D-D2FC65E85C60\/data",
                   "logPath" :
                   "\/Users\/m\/Library\/Logs\/CoreSimulator\/BC19DDAF-A1CA-42FC
                   -AD6D-D2FC65E85C60",
                   "udid" : "BC19DDAF-A1CA-42FC-AD6D-D2FC65E85C60",
                   "isAvailable" : true,
                   "deviceTypeIdentifier" :
                   "com.apple.CoreSimulator.SimDeviceType.iPhone-11-Pro",
                   "state" : "Shutdown",
                   "name" : "iPhone 11 Pro"
                 },
                 {
                   "dataPath" :
                   "\/Users\/m\/Library\/Developer\/CoreSimulator\/Devices\/DD96
                   1CF5-59C6-445B-8CA1-0DA9B1E56D7E\/data",
                   "logPath" :
                   "\/Users\/m\/Library\/Logs\/CoreSimulator\/DD961CF5-59C6-445B
                   -8CA1-0DA9B1E56D7E",
                   "udid" : "DD961CF5-59C6-445B-8CA1-0DA9B1E56D7E",
                   "isAvailable" : true,
                   "deviceTypeIdentifier" :
                   "com.apple.CoreSimulator.SimDeviceType.iPhone-11-Pro-Max",
                   "state" : "Shutdown",
                   "name" : "iPhone 11 Pro Max"
                 },
                 {
                   "dataPath" :
                   "\/Users\/m\/Library\/Developer\/CoreSimulator\/Devices\/4F1C
                   2CFA-9C49-4E01-91B6-1F8F50CAFEEC\/data",
                   "logPath" :
                   "\/Users\/m\/Library\/Logs\/CoreSimulator\/4F1C2CFA-9C49-4E01
                   -91B6-1F8F50CAFEEC",
                   "udid" : "4F1C2CFA-9C49-4E01-91B6-1F8F50CAFEEC",
                   "isAvailable" : true,
                   "deviceTypeIdentifier" :
                   "com.apple.CoreSimulator.SimDeviceType.iPhone-SE--2nd-generat
                   ion-",
                   "state" : "Shutdown",
                   "name" : "iPhone SE (2nd generation)"
                 },
                 {
                   "dataPath" :
                   "\/Users\/m\/Library\/Developer\/CoreSimulator\/Devices\/E5C5
                   9B24-57AD-4B64-ABD8-9784E9F1AFA0\/data",
                   "logPath" :
                   "\/Users\/m\/Library\/Logs\/CoreSimulator\/E5C59B24-57AD-4B64
                   -ABD8-9784E9F1AFA0",
                   "udid" : "E5C59B24-57AD-4B64-ABD8-9784E9F1AFA0",
                   "isAvailable" : true,
                   "deviceTypeIdentifier" :
                   "com.apple.CoreSimulator.SimDeviceType.iPod-touch--7th-genera
                   tion-",
                   "state" : "Shutdown",
                   "name" : "iPod touch (7th generation)"
                 },
                 {
                   "dataPath" :
                   "\/Users\/m\/Library\/Developer\/CoreSimulator\/Devices\/5937
                   8FAD-B727-4EFD-8A16-524869A70A9D\/data",
                   "logPath" :
                   "\/Users\/m\/Library\/Logs\/CoreSimulator\/59378FAD-B727-4EFD
                   -8A16-524869A70A9D",
                   "udid" : "59378FAD-B727-4EFD-8A16-524869A70A9D",
                   "isAvailable" : true,
                   "deviceTypeIdentifier" :
                   "com.apple.CoreSimulator.SimDeviceType.iPad-Pro--9-7-inch-",
                   "state" : "Shutdown",
                   "name" : "iPad Pro (9.7-inch)"
                 },
                 {
                   "dataPath" :
                   "\/Users\/m\/Library\/Developer\/CoreSimulator\/Devices\/AA3D
                   BB13-5574-4EAA-B2B3-2E79D361EB53\/data",
                   "logPath" :
                   "\/Users\/m\/Library\/Logs\/CoreSimulator\/AA3DBB13-5574-4EAA
                   -B2B3-2E79D361EB53",
                   "udid" : "AA3DBB13-5574-4EAA-B2B3-2E79D361EB53",
                   "isAvailable" : true,
                   "deviceTypeIdentifier" :
                   "com.apple.CoreSimulator.SimDeviceType.iPad-Pro--11-inch---2n
                   d-generation-",
                   "state" : "Shutdown",
                   "name" : "iPad Pro (11-inch) (2nd generation)"
                 },
                 {
                   "dataPath" :
                   "\/Users\/m\/Library\/Developer\/CoreSimulator\/Devices\/F84A
                   0792-CDD3-4F89-880C-DBA1A263186C\/data",
                   "logPath" :
                   "\/Users\/m\/Library\/Logs\/CoreSimulator\/F84A0792-CDD3-4F89
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                   "udid" : "F84A0792-CDD3-4F89-880C-DBA1A263186C",
                   "isAvailable" : true,
                   "deviceTypeIdentifier" :
                   "com.apple.CoreSimulator.SimDeviceType.iPad-Pro--12-9-inch---
                   4th-generation-",
                   "state" : "Shutdown",
                   "name" : "iPad Pro (12.9-inch) (4th generation)"
                 },
                 {
                   "dataPath" :
                   "\/Users\/m\/Library\/Developer\/CoreSimulator\/Devices\/374B
                   0033-8604-4632-8FD1-08940EA8EBB6\/data",
                   "logPath" :
                   "\/Users\/m\/Library\/Logs\/CoreSimulator\/374B0033-8604-4632
                   -8FD1-08940EA8EBB6",
                   "udid" : "374B0033-8604-4632-8FD1-08940EA8EBB6",
                   "isAvailable" : true,
                   "deviceTypeIdentifier" :
                   "com.apple.CoreSimulator.SimDeviceType.iPad--8th-generation-"
                   ,
                   "state" : "Shutdown",
                   "name" : "iPad (8th generation)"
                 },
                 {
                   "dataPath" :
                   "\/Users\/m\/Library\/Developer\/CoreSimulator\/Devices\/7BB5
                   BA18-952B-4B7C-8869-6D8948B78443\/data",
                   "logPath" :
                   "\/Users\/m\/Library\/Logs\/CoreSimulator\/7BB5BA18-952B-4B7C
                   -8869-6D8948B78443",
                   "udid" : "7BB5BA18-952B-4B7C-8869-6D8948B78443",
                   "isAvailable" : true,
                   "deviceTypeIdentifier" :
                   "com.apple.CoreSimulator.SimDeviceType.iPad-Air--4th-generati
                   on-",
                   "state" : "Shutdown",
                   "name" : "iPad Air (4th generation)"
                 }
               ],
               "com.apple.CoreSimulator.SimRuntime.iOS-13-6" : [
                 {
                   "availabilityError" : "runtime profile not found",
                   "dataPath" :
                   "\/Users\/m\/Library\/Developer\/CoreSimulator\/Devices\/855D
                   7DBF-B33F-481C-93D6-2E5647830AAC\/data",
                   "logPath" :
                   "\/Users\/m\/Library\/Logs\/CoreSimulator\/855D7DBF-B33F-481C
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                   "udid" : "855D7DBF-B33F-481C-93D6-2E5647830AAC",
                   "isAvailable" : false,
                   "deviceTypeIdentifier" :
                   "com.apple.CoreSimulator.SimDeviceType.iPhone-8",
                   "state" : "Shutdown",
                   "name" : "iPhone 8"
                 },
                 {
                   "availabilityError" : "runtime profile not found",
                   "dataPath" :
                   "\/Users\/m\/Library\/Developer\/CoreSimulator\/Devices\/F267
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                   "logPath" :
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                   "udid" : "F26798F1-E17A-4FC4-9CD6-225423F3923B",
                   "isAvailable" : false,
                   "deviceTypeIdentifier" :
                   "com.apple.CoreSimulator.SimDeviceType.iPhone-8",
                   "state" : "Shutdown",
                   "name" : "iPhone 8"
                 },
                 {
                   "availabilityError" : "runtime profile not found",
                   "dataPath" :
                   "\/Users\/m\/Library\/Developer\/CoreSimulator\/Devices\/0090
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                   "logPath" :
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                   "udid" : "0090E318-6AB5-470D-A728-EAD514F708A2",
                   "isAvailable" : false,
                   "deviceTypeIdentifier" :
                   "com.apple.CoreSimulator.SimDeviceType.iPhone-8-Plus",
                   "state" : "Shutdown",
                   "name" : "iPhone 8 Plus"
                 },
                 {
                   "availabilityError" : "runtime profile not found",
                   "dataPath" :
                   "\/Users\/m\/Library\/Developer\/CoreSimulator\/Devices\/0977
                   F7D9-3E84-4E50-9156-B629B54E2A12\/data",
                   "logPath" :
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                   "udid" : "0977F7D9-3E84-4E50-9156-B629B54E2A12",
                   "isAvailable" : false,
                   "deviceTypeIdentifier" :
                   "com.apple.CoreSimulator.SimDeviceType.iPhone-11",
                   "state" : "Shutdown",
                   "name" : "iPhone 11"
                 },
                 {
                   "availabilityError" : "runtime profile not found",
                   "dataPath" :
                   "\/Users\/m\/Library\/Developer\/CoreSimulator\/Devices\/7E92
                   A616-FBBB-4697-A0B0-EA79E411F7FE\/data",
                   "logPath" :
                   "\/Users\/m\/Library\/Logs\/CoreSimulator\/7E92A616-FBBB-4697
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                   "udid" : "7E92A616-FBBB-4697-A0B0-EA79E411F7FE",
                   "isAvailable" : false,
                   "deviceTypeIdentifier" :
                   "com.apple.CoreSimulator.SimDeviceType.iPhone-11-Pro",
                   "state" : "Shutdown",
                   "name" : "iPhone 11 Pro"
                 },
                 {
                   "availabilityError" : "runtime profile not found",
                   "dataPath" :
                   "\/Users\/m\/Library\/Developer\/CoreSimulator\/Devices\/522E
                   903F-40FC-4CD0-8446-F0CF1AE486DF\/data",
                   "logPath" :
                   "\/Users\/m\/Library\/Logs\/CoreSimulator\/522E903F-40FC-4CD0
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                   "udid" : "522E903F-40FC-4CD0-8446-F0CF1AE486DF",
                   "isAvailable" : false,
                   "deviceTypeIdentifier" :
                   "com.apple.CoreSimulator.SimDeviceType.iPhone-11-Pro-Max",
                   "state" : "Shutdown",
                   "name" : "iPhone 11 Pro Max"
                 },
                 {
                   "availabilityError" : "runtime profile not found",
                   "dataPath" :
                   "\/Users\/m\/Library\/Developer\/CoreSimulator\/Devices\/E337
                   578C-930C-470E-B586-71AB9F6752FA\/data",
                   "logPath" :
                   "\/Users\/m\/Library\/Logs\/CoreSimulator\/E337578C-930C-470E
                   -B586-71AB9F6752FA",
                   "udid" : "E337578C-930C-470E-B586-71AB9F6752FA",
                   "isAvailable" : false,
                   "deviceTypeIdentifier" :
                   "com.apple.CoreSimulator.SimDeviceType.iPhone-SE--2nd-generat
                   ion-",
                   "state" : "Shutdown",
                   "name" : "iPhone SE (2nd generation)"
                 },
                 {
                   "availabilityError" : "runtime profile not found",
                   "dataPath" :
                   "\/Users\/m\/Library\/Developer\/CoreSimulator\/Devices\/42AD
                   F058-3EA0-4B70-A284-D56C434A8C08\/data",
                   "logPath" :
                   "\/Users\/m\/Library\/Logs\/CoreSimulator\/42ADF058-3EA0-4B70
                   -A284-D56C434A8C08",
                   "udid" : "42ADF058-3EA0-4B70-A284-D56C434A8C08",
                   "isAvailable" : false,
                   "deviceTypeIdentifier" :
                   "com.apple.CoreSimulator.SimDeviceType.iPad-Pro--9-7-inch-",
                   "state" : "Shutdown",
                   "name" : "iPad Pro (9.7-inch)"
                 },
                 {
                   "availabilityError" : "runtime profile not found",
                   "dataPath" :
                   "\/Users\/m\/Library\/Developer\/CoreSimulator\/Devices\/4C3A
                   D59A-C626-4A27-8076-9AC5296D8C0B\/data",
                   "logPath" :
                   "\/Users\/m\/Library\/Logs\/CoreSimulator\/4C3AD59A-C626-4A27
                   -8076-9AC5296D8C0B",
                   "udid" : "4C3AD59A-C626-4A27-8076-9AC5296D8C0B",
                   "isAvailable" : false,
                   "deviceTypeIdentifier" :
                   "com.apple.CoreSimulator.SimDeviceType.iPad--7th-generation-"
                   ,
                   "state" : "Shutdown",
                   "name" : "iPad (7th generation)"
                 },
                 {
                   "availabilityError" : "runtime profile not found",
                   "dataPath" :
                   "\/Users\/m\/Library\/Developer\/CoreSimulator\/Devices\/E086
                   AB4F-540B-471E-AAF1-D3AF32B39ADC\/data",
                   "logPath" :
                   "\/Users\/m\/Library\/Logs\/CoreSimulator\/E086AB4F-540B-471E
                   -AAF1-D3AF32B39ADC",
                   "udid" : "E086AB4F-540B-471E-AAF1-D3AF32B39ADC",
                   "isAvailable" : false,
                   "deviceTypeIdentifier" :
                   "com.apple.CoreSimulator.SimDeviceType.iPad-Pro--11-inch---2n
                   d-generation-",
                   "state" : "Shutdown",
                   "name" : "iPad Pro (11-inch) (2nd generation)"
                 },
                 {
                   "availabilityError" : "runtime profile not found",
                   "dataPath" :
                   "\/Users\/m\/Library\/Developer\/CoreSimulator\/Devices\/F6F6
                   427C-ED9C-4734-9384-6F871ADFF3D9\/data",
                   "logPath" :
                   "\/Users\/m\/Library\/Logs\/CoreSimulator\/F6F6427C-ED9C-4734
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                        "available" : true,
                        "platform" : "com.apple.platform.iphonesimulator",
                        "modelCode" : "iPhone10,5",
                        "identifier" : "727B3A6A-4ACD-44DF-A878-170284BEFDEF",
                        "architecture" : "x86_64",
                        "modelUTI" : "com.apple.iphone-8-plus-2",
                        "modelName" : "iPhone 8 Plus",
                        "name" : "iPhone 8 Plus"
                      },
                      {
                        "simulator" : true,
                        "operatingSystemVersion" : "14.0 (18J383)",
                        "available" : true,
                        "platform" : "com.apple.platform.appletvsimulator",
                        "modelCode" : "AppleTV5,3",
                        "identifier" : "31BBB06A-B991-4D1B-86A2-5C250A2317EC",
                        "architecture" : "x86_64",
                        "modelUTI" : "com.apple.apple-tv-4",
                        "modelName" : "Apple TV",
                        "name" : "Apple TV"
                      },
                      {
                        "simulator" : true,
                        "operatingSystemVersion" : "13.5 (17F61)",
                        "available" : true,
                        "platform" : "com.apple.platform.iphonesimulator",
                        "modelCode" : "iPhone12,1",
                        "identifier" : "E2B77884-79D4-45EC-A73F-7AC431204E06",
                        "architecture" : "x86_64",
                        "modelUTI" : "com.apple.iphone-11-1",
                        "modelName" : "iPhone 11",
                        "name" : "iPhone 11"
                      },
                      {
                        "simulator" : true,
                        "operatingSystemVersion" : "14.0 (18A372)",
                        "available" : true,
                        "platform" : "com.apple.platform.iphonesimulator",
                        "modelCode" : "iPad8,12",
                        "identifier" : "F84A0792-CDD3-4F89-880C-DBA1A263186C",
                        "architecture" : "x86_64",
                        "modelUTI" : "com.apple.ipad-pro-12point9-4th-1",
                        "modelName" : "iPad Pro (12.9-inch) (4th generation)",
                        "name" : "iPad Pro (12.9-inch) (4th generation)"
                      },
                      {
                        "simulator" : true,
                        "operatingSystemVersion" : "7.0 (18R382)",
                        "available" : true,
                        "platform" : "com.apple.platform.watchsimulator",
                        "modelCode" : "Watch6,1",
                        "identifier" : "A830AF3A-E793-4E89-9380-5076F2251CB5",
                        "architecture" : "x86_64",
                        "modelUTI" : "com.apple.watch-series6-1",
                        "modelName" : "Apple Watch Series 6 - 40mm",
                        "name" : "Apple Watch Series 6 - 40mm"
                      },
                      {
                        "simulator" : true,
                        "operatingSystemVersion" : "14.0 (18A372)",
                        "available" : true,
                        "platform" : "com.apple.platform.iphonesimulator",
                        "modelCode" : "iPhone12,5",
                        "identifier" : "DD961CF5-59C6-445B-8CA1-0DA9B1E56D7E",
                        "architecture" : "x86_64",
                        "modelUTI" : "com.apple.iphone-11-pro-max-1",
                        "modelName" : "iPhone 11 Pro Max",
                        "name" : "iPhone 11 Pro Max"
                      },
                      {
                        "simulator" : true,
                        "operatingSystemVersion" : "13.5 (17F61)",
                        "available" : true,
                        "platform" : "com.apple.platform.iphonesimulator",
                        "modelCode" : "iPad8,12",
                        "identifier" : "0539D01D-438A-43ED-8AA9-EB828ADECFE9",
                        "architecture" : "x86_64",
                        "modelUTI" : "com.apple.ipad-pro-12point9-4th-1",
                        "modelName" : "iPad Pro (12.9-inch) (4th generation)",
                        "name" : "iPad Pro (12.9-inch) (4th generation)"
                      },
                      {
                        "simulator" : true,
                        "operatingSystemVersion" : "13.5 (17F61)",
                        "available" : true,
                        "platform" : "com.apple.platform.iphonesimulator",
                        "modelCode" : "iPhone12,8",
                        "identifier" : "3F5698B4-27DE-447E-8043-267FFD2689C2",
                        "architecture" : "x86_64",
                        "modelUTI" : "com.apple.iphone-se-1",
                        "modelName" : "iPhone SE (2nd generation)",
                        "name" : "iPhone SE (2nd generation)"
                      },
                      {
                        "simulator" : true,
                        "operatingSystemVersion" : "14.0 (18A372)",
                        "available" : true,
                        "platform" : "com.apple.platform.iphonesimulator",
                        "modelCode" : "iPad6,4",
                        "identifier" : "59378FAD-B727-4EFD-8A16-524869A70A9D",
                        "architecture" : "x86_64",
                        "modelUTI" : "com.apple.ipad-pro-9point7-a1674-b9b7ba",
                        "modelName" : "iPad Pro (9.7-inch)",
                        "name" : "iPad Pro (9.7-inch)"
                      },
                      {
                        "simulator" : true,
                        "operatingSystemVersion" : "13.5 (17F61)",
                        "available" : true,
                        "platform" : "com.apple.platform.iphonesimulator",
                        "modelCode" : "iPad6,4",
                        "identifier" : "9E8E6E2D-72DE-49EE-ACFB-A12CC6BC78D0",
                        "architecture" : "x86_64",
                        "modelUTI" : "com.apple.ipad-pro-9point7-a1674-b9b7ba",
                        "modelName" : "iPad Pro (9.7-inch)",
                        "name" : "iPad Pro (9.7-inch)"
                      },
                      {
                        "simulator" : true,
                        "operatingSystemVersion" : "13.5 (17F61)",
                        "available" : true,
                        "platform" : "com.apple.platform.iphonesimulator",
                        "modelCode" : "iPad7,12",
                        "identifier" : "AD6ACAA9-2CAB-40C0-84A5-4768CC315E31",
                        "architecture" : "x86_64",
                        "modelUTI" : "com.apple.ipad-7-wwan-1",
                        "modelName" : "iPad (7th generation)",
                        "name" : "iPad (7th generation)"
                      },
                      {
                        "simulator" : true,
                        "operatingSystemVersion" : "14.0 (18J383)",
                        "available" : true,
                        "platform" : "com.apple.platform.appletvsimulator",
                        "modelCode" : "AppleTV6,2",
                        "identifier" : "D16FA3C2-319F-43E5-89B2-6369DE2BA6D5",
                        "architecture" : "x86_64",
                        "modelUTI" : "com.apple.apple-tv-4k",
                        "modelName" : "Apple TV 4K",
                        "name" : "Apple TV 4K"
                      },
                      {
                        "simulator" : true,
                        "operatingSystemVersion" : "13.5 (17F61)",
                        "available" : true,
                        "platform" : "com.apple.platform.iphonesimulator",
                        "modelCode" : "iPhone12,3",
                        "identifier" : "357B2A77-3495-488D-B09F-4DA434B4E049",
                        "architecture" : "x86_64",
                        "modelUTI" : "com.apple.iphone-11-pro-1",
                        "modelName" : "iPhone 11 Pro",
                        "name" : "iPhone 11 Pro"
                      },
                      {
                        "simulator" : true,
                        "operatingSystemVersion" : "14.0 (18A372)",
                        "available" : true,
                        "platform" : "com.apple.platform.iphonesimulator",
                        "modelCode" : "iPod9,1",
                        "identifier" : "E5C59B24-57AD-4B64-ABD8-9784E9F1AFA0",
                        "architecture" : "x86_64",
                        "modelUTI" : "com.apple.ipod-touch-7-2",
                        "modelName" : "iPod touch (7th generation)",
                        "name" : "iPod touch (7th generation)"
                      },
                      {
                        "simulator" : true,
                        "operatingSystemVersion" : "7.0 (18R382)",
                        "available" : true,
                        "platform" : "com.apple.platform.watchsimulator",
                        "modelCode" : "Watch5,4",
                        "identifier" : "5F1E1CBA-1F1E-4F59-AB29-1194B5B54FBB",
                        "architecture" : "x86_64",
                        "modelUTI" : "com.apple.watch-series5-1",
                        "modelName" : "Apple Watch Series 5 - 44mm",
                        "name" : "Apple Watch Series 5 - 44mm"
                      },
                      {
                        "simulator" : true,
                        "operatingSystemVersion" : "14.0 (18A372)",
                        "available" : true,
                        "platform" : "com.apple.platform.iphonesimulator",
                        "modelCode" : "iPhone12,1",
                        "identifier" : "9BFF17E9-26F6-4EDB-93AF-4B31E523AECB",
                        "architecture" : "x86_64",
                        "modelUTI" : "com.apple.iphone-11-1",
                        "modelName" : "iPhone 11",
                        "name" : "iPhone 11"
                      },
                      {
                        "simulator" : true,
                        "operatingSystemVersion" : "7.0 (18R382)",
                        "available" : true,
                        "platform" : "com.apple.platform.watchsimulator",
                        "modelCode" : "Watch6,2",
                        "identifier" : "BF57C628-5ED1-489D-ABBE-F34D04EA6FC9",
                        "architecture" : "x86_64",
                        "modelUTI" : "com.apple.watch-series6-1",
                        "modelName" : "Apple Watch Series 6 - 44mm",
                        "name" : "Apple Watch Series 6 - 44mm"
                      },
                      {
                        "simulator" : true,
                        "operatingSystemVersion" : "14.0 (18J383)",
                        "available" : true,
                        "platform" : "com.apple.platform.appletvsimulator",
                        "modelCode" : "AppleTV6,2",
                        "identifier" : "3D3C50AF-7419-4A8C-9578-F054EB6D1971",
                        "architecture" : "x86_64",
                        "modelUTI" : "com.apple.apple-tv-4k",
                        "modelName" : "Apple TV 4K (at 1080p)",
                        "name" : "Apple TV 4K (at 1080p)"
                      },
                      {
                        "simulator" : true,
                        "operatingSystemVersion" : "13.5 (17F61)",
                        "available" : true,
                        "platform" : "com.apple.platform.iphonesimulator",
                        "modelCode" : "iPad11,3",
                        "identifier" : "9BDDFDE3-7ECC-4CC8-8E00-255BD62599BE",
                        "architecture" : "x86_64",
                        "modelUTI" : "com.apple.ipad-air3-wifi-1",
                        "modelName" : "iPad Air (3rd generation)",
                        "name" : "iPad Air (3rd generation)"
                      },
                      {
                        "simulator" : true,
                        "operatingSystemVersion" : "13.5 (17F61)",
                        "available" : true,
                        "platform" : "com.apple.platform.iphonesimulator",
                        "modelCode" : "iPhone10,4",
                        "identifier" : "13AE9545-D479-4705-ABC2-8006A9B07D4E",
                        "architecture" : "x86_64",
                        "modelUTI" : "com.apple.iphone-8-2",
                        "modelName" : "iPhone 8",
                        "name" : "iPhone 8"
                      },
                      {
                        "simulator" : true,
                        "operatingSystemVersion" : "14.0 (18A372)",
                        "available" : true,
                        "platform" : "com.apple.platform.iphonesimulator",
                        "modelCode" : "iPad11,7",
                        "identifier" : "374B0033-8604-4632-8FD1-08940EA8EBB6",
                        "architecture" : "x86_64",
                        "modelUTI" : "com.apple.ipad-8-wwan-1",
                        "modelName" : "iPad (8th generation)",
                        "name" : "iPad (8th generation)"
                      },
                      {
                        "simulator" : true,
                        "operatingSystemVersion" : "14.0 (18A372)",
                        "available" : true,
                        "platform" : "com.apple.platform.iphonesimulator",
                        "modelCode" : "iPhone10,5",
                        "identifier" : "A5A5C32C-4FCC-4B92-B046-F9F99A367CCB",
                        "architecture" : "x86_64",
                        "modelUTI" : "com.apple.iphone-8-plus-2",
                        "modelName" : "iPhone 8 Plus",
                        "name" : "iPhone 8 Plus"
                      },
                      {
                        "simulator" : true,
                        "operatingSystemVersion" : "14.0 (18A372)",
                        "available" : true,
                        "platform" : "com.apple.platform.iphonesimulator",
                        "modelCode" : "iPhone12,8",
                        "identifier" : "4F1C2CFA-9C49-4E01-91B6-1F8F50CAFEEC",
                        "architecture" : "x86_64",
                        "modelUTI" : "com.apple.iphone-se-1",
                        "modelName" : "iPhone SE (2nd generation)",
                        "name" : "iPhone SE (2nd generation)"
                      },
                      {
                        "simulator" : true,
                        "operatingSystemVersion" : "13.5 (17F61)",
                        "available" : true,
                        "platform" : "com.apple.platform.iphonesimulator",
                        "modelCode" : "iPhone12,5",
                        "identifier" : "6EAA648A-ACEF-4D82-9899-55325F17C622",
                        "architecture" : "x86_64",
                        "modelUTI" : "com.apple.iphone-11-pro-max-1",
                        "modelName" : "iPhone 11 Pro Max",
                        "name" : "iPhone 11 Pro Max"
                      },
                      {
                        "simulator" : true,
                        "operatingSystemVersion" : "14.0 (18A372)",
                        "available" : true,
                        "platform" : "com.apple.platform.iphonesimulator",
                        "modelCode" : "iPad13,2",
                        "identifier" : "7BB5BA18-952B-4B7C-8869-6D8948B78443",
                        "architecture" : "x86_64",
                        "modelUTI" : "com.apple.ipad",
                        "modelName" : "iPad Air (4th generation)",
                        "name" : "iPad Air (4th generation)"
                      }
                    ]
[   +4 ms] Artifact Instance of 'MaterialFonts' is not required, skipping
update.
[        ] Artifact Instance of 'GradleWrapper' is not required, skipping
update.
[        ] Artifact Instance of 'AndroidMavenArtifacts' is not required,
skipping update.
[        ] Artifact Instance of 'AndroidGenSnapshotArtifacts' is not required,
skipping update.
[        ] Artifact Instance of 'AndroidInternalBuildArtifacts' is not required,
skipping update.
[        ] Artifact Instance of 'IOSEngineArtifacts' is not required, skipping
update.
[        ] Artifact Instance of 'FlutterWebSdk' is not required, skipping
update.
[        ] Artifact Instance of 'FlutterSdk' is not required, skipping update.
[        ] Artifact Instance of 'WindowsEngineArtifacts' is not required,
skipping update.
[        ] Artifact Instance of 'MacOSEngineArtifacts' is not required, skipping
update.
[        ] Artifact Instance of 'LinuxEngineArtifacts' is not required, skipping
update.
[        ] Artifact Instance of 'LinuxFuchsiaSDKArtifacts' is not required,
skipping update.
[        ] Artifact Instance of 'MacOSFuchsiaSDKArtifacts' is not required,
skipping update.
[        ] Artifact Instance of 'FlutterRunnerSDKArtifacts' is not required,
skipping update.
[        ] Artifact Instance of 'FlutterRunnerDebugSymbols' is not required,
skipping update.
[        ] Artifact Instance of 'IosUsbArtifacts' is not required, skipping
update.
[        ] Artifact Instance of 'IosUsbArtifacts' is not required, skipping
update.
[        ] Artifact Instance of 'IosUsbArtifacts' is not required, skipping
update.
[        ] Artifact Instance of 'IosUsbArtifacts' is not required, skipping
update.
[        ] Artifact Instance of 'IosUsbArtifacts' is not required, skipping
update.
[        ] Artifact Instance of 'FontSubsetArtifacts' is not required, skipping
update.
[  +57 ms] No supported devices connected.
[  +11 ms] "flutter run" took 4,673ms.
[   +5 ms] 
           #0      throwToolExit
(package:flutter_tools/src/base/common.dart:14:3)
           #1      RunCommand.validateCommand
           (package:flutter_tools/src/commands/run.dart:353:7)
           
           #2      FlutterCommand.verifyThenRunCommand
           (package:flutter_tools/src/runner/flutter_command.dart:933:11)
           
           #3      FlutterCommand.run.
           (package:flutter_tools/src/runner/flutter_command.dart:836:33)
           
           #4      FlutterCommand.run.
           (package:flutter_tools/src/runner/flutter_command.dart)
           #5      AppContext.run.
           (package:flutter_tools/src/base/context.dart:150:29)
           #6      _rootRun (dart:async/zone.dart:1190:13)
           #7      _CustomZone.run (dart:async/zone.dart:1093:19)
           #8      _runZoned (dart:async/zone.dart:1630:10)
           #9      runZoned (dart:async/zone.dart:1550:10)
           #10     AppContext.run
(package:flutter_tools/src/base/context.dart:149:18)
           #11     FlutterCommand.run
           (package:flutter_tools/src/runner/flutter_command.dart:825:20)
           #12     CommandRunner.runCommand
(package:args/command_runner.dart:197:27)
           #13     FlutterCommandRunner.runCommand.
           (package:flutter_tools/src/runner/flutter_command_runner.dart:335:21)
           #14     _rootRunUnary (dart:async/zone.dart:1198:47)
           #15     _CustomZone.runUnary (dart:async/zone.dart:1100:19)
           #16     _FutureListener.handleValue
(dart:async/future_impl.dart:143:18)
           #17     Future._propagateToListeners.handleValueCallback
           (dart:async/future_impl.dart:696:45)
           #18     Future._propagateToListeners
(dart:async/future_impl.dart:725:32)
           #19     Future._completeWithValue (dart:async/future_impl.dart:529:5)
           #20     _AsyncAwaitCompleter.complete
(dart:async-patch/async_patch.dart:40:15)
           #21     _completeOnAsyncReturn
(dart:async-patch/async_patch.dart:311:13)
           #22     FlutterVersion.checkFlutterVersionFreshness
           (package:flutter_tools/src/version.dart)
           #23     _rootRunUnary (dart:async/zone.dart:1198:47)
           #24     _CustomZone.runUnary (dart:async/zone.dart:1100:19)
           #25     _FutureListener.handleValue
(dart:async/future_impl.dart:143:18)
           #26     Future._propagateToListeners.handleValueCallback
           (dart:async/future_impl.dart:696:45)
           #27     Future._propagateToListeners
(dart:async/future_impl.dart:725:32)
           #28     Future._completeWithValue (dart:async/future_impl.dart:529:5)
           #29     Future._asyncCompleteWithValue.
           (dart:async/future_impl.dart:567:7)
           #30     _rootRun (dart:async/zone.dart:1190:13)
           #31     _CustomZone.run (dart:async/zone.dart:1093:19)
           #32     _CustomZone.runGuarded (dart:async/zone.dart:997:7)
           #33     _CustomZone.bindCallbackGuarded.
           (dart:async/zone.dart:1037:23)
           #34     _microtaskLoop (dart:async/schedule_microtask.dart:41:21)
           #35     _startMicrotaskLoop (dart:async/schedule_microtask.dart:50:5)
           #36     _runPendingImmediateCallback
           (dart:isolate-patch/isolate_patch.dart:118:13)
           #37     _RawReceivePortImpl._handleMessage
           (dart:isolate-patch/isolate_patch.dart:169:5)

[ +5 ms] ensureAnalyticsSent: 0ms
[ +1 ms] Running shutdown hooks
[ ] Shutdown hooks complete
[ ] exiting with code 1

Problem description:
This problem only occurs in the IOS simulator. When the screen turns white, other codes still work.

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P0Critical issues such as a build break or regressionc: regressionIt was better in the past than it is nowcustomer: crowdAffects or could affect many people, though not necessarily a specific customer.engineflutter/engine related. See also e: labels.found in release: 1.23Found to occur in 1.23has reproducible stepsThe issue has been confirmed reproducible and is ready to work onplatform-iosiOS applications specificallywaiting for PR to land (fixed)A fix is in flight

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