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compiletest: show rustdoc logs when --no-capture#153917

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rust-bors[bot] merged 1 commit intorust-lang:mainfrom
jieyouxu:rustdoc-test-debug
Mar 15, 2026
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compiletest: show rustdoc logs when --no-capture#153917
rust-bors[bot] merged 1 commit intorust-lang:mainfrom
jieyouxu:rustdoc-test-debug

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@jieyouxu jieyouxu commented Mar 15, 2026 •
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This should make rustdoc debug log output actually visible in ./x test tests/rustdoc-json/ --no-capture invocations.

Reported in #t-infra/bootstrap > Help with `./x test --no-capture` to get logs..

Example

Output 
$ RUSTDOC_LOG=rustdoc::formats::cache=trace ./x test ./tests/rustdoc-json/span.rs --force-rerun --no-capture
[...]

running 1 tests
status: exit status: 0
command: cd "/home/joe/repos/rust/build/x86_64-unknown-linux-gnu/test/rustdoc-json/span" && env -u RUSTC_LOG_COLOR RUSTC_ICE="0" RUST_BACKTRACE="short" "/home/joe/repos/rust/build/x86_64-unknown-linux-gnu/stage1/bin/rustdoc" "-L" "/home/joe/repos/rust/build/x86_64-unknown-linux-gnu/stage1/lib/rustlib/x86_64-unknown-linux-gnu/lib" "-L" "/home/joe/repos/rust/build/x86_64-unknown-linux-gnu/test/rustdoc-json/span/auxiliary" "-o" "/home/joe/repos/rust/build/x86_64-unknown-linux-gnu/test/rustdoc-json/span" "--deny" "warnings" "/home/joe/repos/rust/tests/rustdoc-json/span.rs" "-A" "internal_features" "--output-format" "json" "-Zunstable-options"
stdout: none
--- stderr -------------------------------
2:rustc DEBUG rustdoc::formats::cache cx.cache.crate_version=None
2:rustc DEBUG rustdoc::formats::cache folding mod (stripped: false) "Some("span")", id DefId(DefId(0:0 ~ span[c5a1]))
2:rustc DEBUG rustdoc::formats::cache folding mod (stripped: false) "Some("bar")", id DefId(DefId(0:3 ~ span[c5a1]::bar))
------------------------------------------

.

test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 177 filtered out; finished in 345.34ms

Build completed successfully in 0:00:02

@rustbot rustbot added A-compiletest Area: The compiletest test runner A-testsuite Area: The testsuite used to check the correctness of rustc S-waiting-on-review Status: Awaiting review from the assignee but also interested parties. T-bootstrap Relevant to the bootstrap subteam: Rust's build system (x.py and src/bootstrap) labels Mar 15, 2026
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rustbot commented Mar 15, 2026

r? @clubby789

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clubby789 commented Mar 15, 2026

@bors r+ rollup

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rust-bors Bot commented Mar 15, 2026

📌 Commit 823517c has been approved by clubby789

It is now in the queue for this repository.

@rust-bors rust-bors Bot added S-waiting-on-bors Status: Waiting on bors to run and complete tests. Bors will change the label on completion. and removed S-waiting-on-review Status: Awaiting review from the assignee but also interested parties. labels Mar 15, 2026
@matthiaskrgr matthiaskrgr mentioned this pull request Mar 15, 2026
Merged
rust-bors Bot pushed a commit that referenced this pull request Mar 15, 2026
@bors
Auto merge of #153919 - matthiaskrgr:rollup-UnSAPBk, r=matthiaskrgr
d27207d 
Rollup of 6 pull requests

Successful merges:

 - #153870 (docs: remove stale reference to `check_let_chain`)
 - #153881 (Provide more context on type errors in const context)
 - #153887 (Turn label into structured suggestion for `.as_ref()` and `.as_mut()`)
 - #153897 (Use less `#[macro_use]` in the query system)
 - #153914 (add test for param-env shadowing)
 - #153917 (compiletest: show rustdoc logs when `--no-capture`)
@rust-bors rust-bors Bot merged commit 06dcfe9 into rust-lang:main Mar 15, 2026
11 checks passed
@rustbot rustbot added this to the 1.96.0 milestone Mar 15, 2026
@jieyouxu jieyouxu deleted the rustdoc-test-debug branch March 15, 2026 23:10
github-actions Bot pushed a commit to rust-lang/miri that referenced this pull request Mar 16, 2026
@bors
Auto merge of #153919 - matthiaskrgr:rollup-UnSAPBk, r=matthiaskrgr
8622441 
Rollup of 6 pull requests

Successful merges:

 - rust-lang/rust#153870 (docs: remove stale reference to `check_let_chain`)
 - rust-lang/rust#153881 (Provide more context on type errors in const context)
 - rust-lang/rust#153887 (Turn label into structured suggestion for `.as_ref()` and `.as_mut()`)
 - rust-lang/rust#153897 (Use less `#[macro_use]` in the query system)
 - rust-lang/rust#153914 (add test for param-env shadowing)
 - rust-lang/rust#153917 (compiletest: show rustdoc logs when `--no-capture`)
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A-compiletest Area: The compiletest test runner A-testsuite Area: The testsuite used to check the correctness of rustc S-waiting-on-bors Status: Waiting on bors to run and complete tests. Bors will change the label on completion. T-bootstrap Relevant to the bootstrap subteam: Rust's build system (x.py and src/bootstrap)

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