Hi,

On Thu, May 26, 2022 at 09:53:41AM +0000, builder--- via Gcc-rust wrote:
> A new failure has been detected on builder gccrust-fedora-s390x while 
> building gccrust.
> 
> Full details are available at:
>     https://builder.sourceware.org/buildbot/#builders/37/builds/136
> 
> Build state: failed 'grep unexpected ...' (failure)
> Revision: 4cfd6942c07021db05beae40e1128901e37109e6
> Worker: fedora-s390x
> Build Reason: (unknown)
> Blamelist: Philip Herron <philip.her...@embecosm.com>, bors[bot] 
> <26634292+bors[bot]@users.noreply.github.com>
> 
> Steps:
> 
> - 0: worker_preparation ( success )
> 
> - 1: git checkout ( success )
>     Logs:
>         - stdio: 
> https://builder.sourceware.org/buildbot/#builders/37/builds/136/steps/1/logs/stdio
> 
> - 2: rm -rf gccrs-build ( success )
>     Logs:
>         - stdio: 
> https://builder.sourceware.org/buildbot/#builders/37/builds/136/steps/2/logs/stdio
> 
> - 3: configure ( success )
>     Logs:
>         - stdio: 
> https://builder.sourceware.org/buildbot/#builders/37/builds/136/steps/3/logs/stdio
> 
> - 4: make ( warnings )
>     Logs:
>         - stdio: 
> https://builder.sourceware.org/buildbot/#builders/37/builds/136/steps/4/logs/stdio
>         - warnings (54): 
> https://builder.sourceware.org/buildbot/#builders/37/builds/136/steps/4/logs/warnings__54_
> 
> - 5: make check ( warnings )
>     Logs:
>         - stdio: 
> https://builder.sourceware.org/buildbot/#builders/37/builds/136/steps/5/logs/stdio
>         - rust.sum: 
> https://builder.sourceware.org/buildbot/#builders/37/builds/136/steps/5/logs/rust_sum
>         - rust.log: 
> https://builder.sourceware.org/buildbot/#builders/37/builds/136/steps/5/logs/rust_log
>         - warnings (4): 
> https://builder.sourceware.org/buildbot/#builders/37/builds/136/steps/5/logs/warnings__4_
> 
> - 6: grep unexpected rust.sum ( failure )
>     Logs:
>         - stdio: 
> https://builder.sourceware.org/buildbot/#builders/37/builds/136/steps/6/logs/stdio

Note the FAILs are in the stdio log, but not (???) in the rust.sum or
rust.log files. I don't understand why yet:

FAIL: rust/execute/torture/builtin_macros1.rs   -O0  output pattern test
FAIL: rust/execute/torture/builtin_macros1.rs   -O1  output pattern test
FAIL: rust/execute/torture/builtin_macros1.rs   -O2  output pattern test
FAIL: rust/execute/torture/builtin_macros1.rs   -O3 -g  output pattern test
FAIL: rust/execute/torture/builtin_macros1.rs   -Os  output pattern test
FAIL: rust/execute/torture/builtin_macros1.rs   -O2 -flto 
-fno-use-linker-plugin -flto-partition=none  output pattern test
FAIL: rust/execute/torture/builtin_macros1.rs   -O2 -flto -fuse-linker-plugin 
-fno-fat-lto-objects  output pattern test

They only seem to fail on s390x.
https://builder.sourceware.org/buildbot/#/changes/1458

Cheers,

Mark

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