Windows test failure, "failed to remove"

[aidanhs]

Seen in #41249, looks unrelated to the PR and possibly spurious (not sure though, could actually be a race). Log section:

[01:32:50] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured
[01:32:50] 
[01:32:50] doc tests for: C:\projects\rust\src/doc\book\.github\ISSUE_TEMPLATE.md
[01:32:50] 
[01:32:50] running 0 tests
[01:32:50] 
[01:32:50] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured
[01:32:50] 
[01:32:50]      finished in 194.240
[01:32:50] Building stage0 tool error_index_generator (x86_64-pc-windows-msvc)
[01:32:50]    Compiling error_index_generator v0.0.0 (file:///C:/projects/rust/src/tools/error_index_generator)
[01:32:58]     Finished release [optimized] target(s) in 7.96 secs
[01:32:58] Documenting error index (x86_64-pc-windows-msvc)
[01:32:59] Check compiletest suite=run-fail-fulldeps mode=run-fail (x86_64-pc-windows-msvc -> x86_64-pc-windows-msvc)
[01:32:59] 
[01:32:59] running 1 test
[01:33:02] test [run-fail] run-fail\qquote.rs ... ok
[01:33:02] 
[01:33:02] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured
[01:33:02] 
[01:33:02]      finished in 2.779
[01:33:02] Testing libstd stage2 (x86_64-pc-windows-msvc -> x86_64-pc-windows-msvc)
[01:33:02]    Compiling rand v0.0.0 (file:///C:/projects/rust/src/librand)
[01:33:02]    Compiling alloc v0.0.0 (file:///C:/projects/rust/src/liballoc)
[01:33:07]    Compiling collections v0.0.0 (file:///C:/projects/rust/src/libcollections)
[01:33:07] error: failed to remove: C:\projects\rust\build\x86_64-pc-windows-msvc\stage1-std\x86_64-pc-windows-msvc\release\libcollections.rlib
[01:33:07] Build failed, waiting for other jobs to finish...
[01:33:14] error: build failed
[01:33:14] 
[01:33:14] 
[01:33:14] command did not execute successfully: "C:\\projects\\rust\\build\\x86_64-pc-windows-msvc\\stage0/bin\\cargo.exe" "test" "-j" "2" "--target" "x86_64-pc-windows-msvc" "--release" "--locked" "--manifest-path" "C:\\projects\\rust\\src/libstd\\Cargo.toml" "--features" "panic-unwind backtrace" "-p" "std:0.0.0" "-p" "compiler_builtins:0.0.0" "-p" "std_unicode:0.0.0" "-p" "alloc:0.0.0" "-p" "collections:0.0.0" "-p" "rand:0.0.0" "-p" "rustc_lsan:0.0.0" "-p" "rustc_asan:0.0.0" "-p" "panic_abort:0.0.0" "-p" "alloc_system:0.0.0" "-p" "unwind:0.0.0" "-p" "core:0.0.0" "-p" "rustc_tsan:0.0.0" "-p" "libc:0.0.0" "-p" "rustc_msan:0.0.0" "--"
[01:33:14] expected success, got: exit code: 101
[01:33:14] 
[01:33:14] 
[01:33:14] Build completed unsuccessfully in 1:21:08
[01:33:14] Command exited with code 1
[01:33:14] cat %CD%\sccache.log
[01:33:14] cat: 'C:\projects\rust\sccache.log': No such file or directory
[01:33:14] Command exited with code 1

[aidanhs]

Likely dupe of #41006