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better debugging for sysroot check

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This commit is contained in:
Ralf Jung 2019-10-12 18:11:44 +02:00
parent 7f28d9631e
commit 19fb53e8a3
1 changed files with 5 additions and 1 deletions
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6
src/bin/cargo-miri.rs
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@ -136,8 +136,12 @@ fn test_sysroot_consistency() {
.output().expect("Failed to run rustc to get sysroot info");
let stdout = String::from_utf8(out.stdout).expect("stdout is not valid UTF-8");
let stderr = String::from_utf8(out.stderr).expect("stderr is not valid UTF-8");
assert!(
out.status.success(),
"Bad status code {} when getting sysroot info via {:?}.\nstdout:\n{}\nstderr:\n{}",
out.status, cmd, stdout, stderr,
);
let stdout = stdout.trim();
assert!(out.status.success(), "Bad status code when getting sysroot info.\nstdout:\n{}\nstderr:\n{}", stdout, stderr);
PathBuf::from(stdout).canonicalize()
.unwrap_or_else(|_| panic!("Failed to canonicalize sysroot: {}", stdout))
}