stack hoogle --verbose
Version 2.1.1, Git revision f612ea85316bbc327a64e4ad8d9f0b150dc12d4b (7648 commits) x86_64 hpack-0.31.2
2019-06-25 09:21:38.401448: [debug] Checking for project config at: /Users/hal/code/haskell/PathTag/stack.yaml
2019-06-25 09:21:38.402267: [debug] Loading project config file stack.yaml
2019-06-25 09:21:38.409633: [debug] SELECT COUNT(*) FROM "last_performed" WHERE ("action"=?) AND ("timestamp">=?); [PersistInt64 1,PersistUTCTime 2019-06-23 23:21:38.409574 UTC]
2019-06-25 09:21:38.410751: [debug] Using package location completions from a lock file
2019-06-25 09:21:38.558151: [debug] Running hpack on /Users/hal/code/haskell/PathTag/package.yaml
2019-06-25 09:21:38.561544: [debug] hpack output unchanged in /Users/hal/code/haskell/PathTag/PathTag.cabal
2019-06-25 09:21:38.561869: [debug] Completing package location information from capability-0.2.0.0@sha256:7049527e0bede44f8aeabdd0f41c50ec78da5835796e6a477615502665127a62
2019-06-25 09:21:38.562188: [debug] Added in cabal file hash: capability-0.2.0.0@sha256:7049527e0bede44f8aeabdd0f41c50ec78da5835796e6a477615502665127a62,2424
2019-06-25 09:21:38.562443: [debug] Completing package location information from superrecord-0.5.0.1@sha256:ef0dd316eda7761da831071f729aec3373b44d223b818f9b078be9fba1378b95
2019-06-25 09:21:38.562626: [debug] Added in cabal file hash: superrecord-0.5.0.1@sha256:ef0dd316eda7761da831071f729aec3373b44d223b818f9b078be9fba1378b95,2476
2019-06-25 09:21:38.562774: [debug] Completing package location information from brick-0.47@sha256:4936c50acfdf09620dad5217fb384fc0d59626f75abed8b48250b419ec2ab623
2019-06-25 09:21:38.563005: [debug] Added in cabal file hash: brick-0.47@sha256:4936c50acfdf09620dad5217fb384fc0d59626f75abed8b48250b419ec2ab623,13852
2019-06-25 09:21:38.563175: [debug] Completing package location information from config-ini-0.2.4.0@sha256:38a6d484d471c6fac81445de2eac8c4e8c82760962fca5491ae1c3bfca9c4047
2019-06-25 09:21:38.563349: [debug] Added in cabal file hash: config-ini-0.2.4.0@sha256:38a6d484d471c6fac81445de2eac8c4e8c82760962fca5491ae1c3bfca9c4047,3232
2019-06-25 09:21:38.563484: [debug] Completing package location information from data-clist-0.1.2.2@sha256:4d70add0a200a178853cd37c6469101bac3c36aebb3aa9c503ff225211b1a8c9
2019-06-25 09:21:38.563647: [debug] Added in cabal file hash: data-clist-0.1.2.2@sha256:4d70add0a200a178853cd37c6469101bac3c36aebb3aa9c503ff225211b1a8c9,936
2019-06-25 09:21:38.563843: [debug] Completing package location information from haskell-src-exts-1.21.0@sha256:02421cacaa48c055551b8e5796efc543301b7ea9527a38e1385403d2b85512fb,4467
2019-06-25 09:21:38.563993: [debug] Completing package location information from text-zipper-0.10.1@sha256:8b73a97a3717a17df9b0a722b178950c476ff2268ca5c583e99d010c94af849e
2019-06-25 09:21:38.567512: [debug] Added in cabal file hash: text-zipper-0.10.1@sha256:8b73a97a3717a17df9b0a722b178950c476ff2268ca5c583e99d010c94af849e,1471
2019-06-25 09:21:38.567715: [debug] Completing package location information from word-wrap-0.4.1@sha256:f72233b383ef569c557bfd9812cbb8e306c415ce509082c0bd15ee51c0239ccc
2019-06-25 09:21:38.567950: [debug] Added in cabal file hash: word-wrap-0.4.1@sha256:f72233b383ef569c557bfd9812cbb8e306c415ce509082c0bd15ee51c0239ccc,1606
2019-06-25 09:21:38.569160: [debug] Asking for a supported GHC version
2019-06-25 09:21:38.569471: [debug] Installed tools:
 - ghc-8.6.4
 - ghc-8.6.2
 - ghc-8.6.5
 - ghc-8.6.3
 - ghc-8.2.1
 - ghc-8.2.2
2019-06-25 09:21:38.569872: [debug] Potential GHC builds: standard
2019-06-25 09:21:38.569909: [debug] Found already installed GHC builds: standard
2019-06-25 09:21:38.570103: [debug] SELECT "id","actual_version","arch","ghc_path","ghc_size","ghc_modified","ghc_pkg_path","runghc_path","haddock_path","cabal_version","global_db","global_db_cache_size","global_db_cache_modified","info","global_dump" FROM "compiler_cache" WHERE "ghc_path"=?; [PersistText "/Users/hal/.stack/programs/x86_64-osx/ghc-8.6.3/bin/ghc-8.6.3"]
2019-06-25 09:21:38.628223: [debug] Loaded compiler information from cache
2019-06-25 09:21:38.628387: [debug] Asking for a supported GHC version
2019-06-25 09:21:38.629707: [debug] Resolving package entries
2019-06-25 09:21:38.629793: [debug] Parsing the targets
2019-06-25 09:21:38.634125: [debug] Checking flags
2019-06-25 09:21:38.634276: [debug] SourceMap constructed
2019-06-25 09:21:38.643602: [debug] Starting to execute command inside EnvConfig
2019-06-25 09:21:38.643971: [warn] Hoogle isn't installed. Automatically installing (use --no-setup to disable) ...
2019-06-25 09:21:38.656868: [info] Minimum version is hoogle-5.0. Found acceptable hoogle-5.0.17.9@sha256:beb55b392cb15e62ef1183d6adc40117c00eacd3958717a05f244948c6588740,3159 in your index, installing it.
2019-06-25 09:21:38.657018: [debug] Using package location completions from a lock file
2019-06-25 09:21:38.782187: [debug] Completing package location information from capability-0.2.0.0@sha256:7049527e0bede44f8aeabdd0f41c50ec78da5835796e6a477615502665127a62
2019-06-25 09:21:38.782469: [debug] Added in cabal file hash: capability-0.2.0.0@sha256:7049527e0bede44f8aeabdd0f41c50ec78da5835796e6a477615502665127a62,2424
2019-06-25 09:21:38.782608: [debug] Completing package location information from superrecord-0.5.0.1@sha256:ef0dd316eda7761da831071f729aec3373b44d223b818f9b078be9fba1378b95
2019-06-25 09:21:38.782774: [debug] Added in cabal file hash: superrecord-0.5.0.1@sha256:ef0dd316eda7761da831071f729aec3373b44d223b818f9b078be9fba1378b95,2476
2019-06-25 09:21:38.782890: [debug] Completing package location information from brick-0.47@sha256:4936c50acfdf09620dad5217fb384fc0d59626f75abed8b48250b419ec2ab623
2019-06-25 09:21:38.783103: [debug] Added in cabal file hash: brick-0.47@sha256:4936c50acfdf09620dad5217fb384fc0d59626f75abed8b48250b419ec2ab623,13852
2019-06-25 09:21:38.783255: [debug] Completing package location information from config-ini-0.2.4.0@sha256:38a6d484d471c6fac81445de2eac8c4e8c82760962fca5491ae1c3bfca9c4047
2019-06-25 09:21:38.783416: [debug] Added in cabal file hash: config-ini-0.2.4.0@sha256:38a6d484d471c6fac81445de2eac8c4e8c82760962fca5491ae1c3bfca9c4047,3232
2019-06-25 09:21:38.783533: [debug] Completing package location information from data-clist-0.1.2.2@sha256:4d70add0a200a178853cd37c6469101bac3c36aebb3aa9c503ff225211b1a8c9
2019-06-25 09:21:38.783681: [debug] Added in cabal file hash: data-clist-0.1.2.2@sha256:4d70add0a200a178853cd37c6469101bac3c36aebb3aa9c503ff225211b1a8c9,936
2019-06-25 09:21:38.783932: [debug] Completing package location information from haskell-src-exts-1.21.0@sha256:02421cacaa48c055551b8e5796efc543301b7ea9527a38e1385403d2b85512fb,4467
2019-06-25 09:21:38.784040: [debug] Completing package location information from text-zipper-0.10.1@sha256:8b73a97a3717a17df9b0a722b178950c476ff2268ca5c583e99d010c94af849e
2019-06-25 09:21:38.784195: [debug] Added in cabal file hash: text-zipper-0.10.1@sha256:8b73a97a3717a17df9b0a722b178950c476ff2268ca5c583e99d010c94af849e,1471
2019-06-25 09:21:38.784304: [debug] Completing package location information from word-wrap-0.4.1@sha256:f72233b383ef569c557bfd9812cbb8e306c415ce509082c0bd15ee51c0239ccc
2019-06-25 09:21:38.784457: [debug] Added in cabal file hash: word-wrap-0.4.1@sha256:f72233b383ef569c557bfd9812cbb8e306c415ce509082c0bd15ee51c0239ccc,1606
2019-06-25 09:21:38.785348: [debug] Asking for a supported GHC version
2019-06-25 09:21:38.785676: [debug] Installed tools:
 - ghc-8.6.4
 - ghc-8.6.2
 - ghc-8.6.5
 - ghc-8.6.3
 - ghc-8.2.1
 - ghc-8.2.2
2019-06-25 09:21:38.786049: [debug] Potential GHC builds: standard
2019-06-25 09:21:38.786081: [debug] Found already installed GHC builds: standard
2019-06-25 09:21:38.786226: [debug] SELECT "id","actual_version","arch","ghc_path","ghc_size","ghc_modified","ghc_pkg_path","runghc_path","haddock_path","cabal_version","global_db","global_db_cache_size","global_db_cache_modified","info","global_dump" FROM "compiler_cache" WHERE "ghc_path"=?; [PersistText "/Users/hal/.stack/programs/x86_64-osx/ghc-8.6.3/bin/ghc-8.6.3"]
2019-06-25 09:21:38.821312: [debug] Loaded compiler information from cache
2019-06-25 09:21:38.821437: [debug] Asking for a supported GHC version
2019-06-25 09:21:38.822489: [debug] Resolving package entries
2019-06-25 09:21:38.822548: [debug] Parsing the targets
2019-06-25 09:21:38.882071: [debug] Checking flags
2019-06-25 09:21:38.882138: [debug] SourceMap constructed
2019-06-25 09:21:38.886435: [debug] Starting to execute command inside EnvConfig
2019-06-25 09:21:38.890141: [debug] Finding out which packages are already installed
2019-06-25 09:21:38.890312: [debug] Run process: /Users/hal/.stack/programs/x86_64-osx/ghc-8.6.3/bin/ghc-pkg-8.6.3 --global --no-user-package-db dump --expand-pkgroot
2019-06-25 09:21:38.948583: [debug] Process finished in 58ms: /Users/hal/.stack/programs/x86_64-osx/ghc-8.6.3/bin/ghc-pkg-8.6.3 --global --no-user-package-db dump --expand-pkgroot
2019-06-25 09:21:38.951383: [debug] Ignoring package haskeline due to wanting version 0.7.5.0 instead of 0.7.4.3
2019-06-25 09:21:38.953093: [debug] Ignoring package Cabal due to wanting version 2.4.1.0 instead of 2.4.0.1
2019-06-25 09:21:38.953839: [debug] Run process: /Users/hal/.stack/programs/x86_64-osx/ghc-8.6.3/bin/ghc-pkg-8.6.3 --user --no-user-package-db --package-db /Users/hal/.stack/snapshots/x86_64-osx/c19da423c573e10b6cdcf0f1f51ead47485b56ef54185d1a57bad3717977b839/8.6.3/pkgdb dump --expand-pkgroot
2019-06-25 09:21:39.071878: [debug] Process finished in 118ms: /Users/hal/.stack/programs/x86_64-osx/ghc-8.6.3/bin/ghc-pkg-8.6.3 --user --no-user-package-db --package-db /Users/hal/.stack/snapshots/x86_64-osx/c19da423c573e10b6cdcf0f1f51ead47485b56ef54185d1a57bad3717977b839/8.6.3/pkgdb dump --expand-pkgroot
2019-06-25 09:21:39.075935: [debug] Run process: /Users/hal/.stack/programs/x86_64-osx/ghc-8.6.3/bin/ghc-pkg-8.6.3 --user --no-user-package-db --package-db /Users/hal/code/haskell/PathTag/.stack-work/install/x86_64-osx/c19da423c573e10b6cdcf0f1f51ead47485b56ef54185d1a57bad3717977b839/8.6.3/pkgdb dump --expand-pkgroot
2019-06-25 09:21:39.120018: [debug] Process finished in 44ms: /Users/hal/.stack/programs/x86_64-osx/ghc-8.6.3/bin/ghc-pkg-8.6.3 --user --no-user-package-db --package-db /Users/hal/code/haskell/PathTag/.stack-work/install/x86_64-osx/c19da423c573e10b6cdcf0f1f51ead47485b56ef54185d1a57bad3717977b839/8.6.3/pkgdb dump --expand-pkgroot
2019-06-25 09:21:39.120470: [debug] Constructing the build plan
2019-06-25 09:21:39.163569: [debug] Parsing cabal file for hoogle (from Hackage)
2019-06-25 09:21:39.165275: [debug] Checking if we are going to build multiple executables with the same name
2019-06-25 09:21:39.165334: [debug] Executing the build plan
2019-06-25 09:21:39.189879: [info] Haddock index for snapshot packages already up to date at:
/Users/hal/.stack/snapshots/x86_64-osx/c19da423c573e10b6cdcf0f1f51ead47485b56ef54185d1a57bad3717977b839/8.6.3/doc/index.html
2019-06-25 09:21:39.190191: [warn] Couldn't find hoogle in path after installing.  This shouldn't happen, may be a bug.```

### Stack version

### Method of installation

Error message comes from here:

https://github.com/commercialhaskell/stack/blob/89d165b8df7f09263e3e15fc165d9da35bf37b60/src/Stack/Hoogle.hs#L178