Dec 06 16:22:22.173 INFO testing zopen-0.3.1 against master#906deae0790bd18681b937fe9a141a3c26cf1855 for pr-56514
Dec 06 16:22:22.174 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56514/worker-4/master#906deae0790bd18681b937fe9a141a3c26cf1855:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-4/pr-56514/master#906deae0790bd18681b937fe9a141a3c26cf1855:/source:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/source" "-e" "USER_ID=1000" "-e" "CMD=cargo +906deae0790bd18681b937fe9a141a3c26cf1855-alt build --frozen" "-e" "CARGO_TARGET_DIR=/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/cargo-home" "-e" "RUSTUP_HOME=/rustup-home" "-m" "1536M" "--network" "none" "crater"`
Dec 06 16:22:22.556 INFO [stdout] 5478b75b9367501a70e64de4d0ed474363ba773c5b806f3f0aa6853e8afe3ca3
Dec 06 16:22:22.558 INFO running `"docker" "start" "-a" "5478b75b9367501a70e64de4d0ed474363ba773c5b806f3f0aa6853e8afe3ca3"`
Dec 06 16:22:23.796 INFO [stderr] usermod: no changes
Dec 06 16:22:23.908 INFO [stderr]    Compiling zopen v0.3.1 (/source)
Dec 06 16:22:25.129 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.31s
Dec 06 16:22:25.134 INFO [stderr] su: No module specific data is present
Dec 06 16:22:25.930 INFO running `"docker" "inspect" "5478b75b9367501a70e64de4d0ed474363ba773c5b806f3f0aa6853e8afe3ca3"`
Dec 06 16:22:26.228 INFO running `"docker" "rm" "-f" "5478b75b9367501a70e64de4d0ed474363ba773c5b806f3f0aa6853e8afe3ca3"`
Dec 06 16:22:26.480 INFO [stdout] 5478b75b9367501a70e64de4d0ed474363ba773c5b806f3f0aa6853e8afe3ca3
Dec 06 16:22:26.482 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56514/worker-4/master#906deae0790bd18681b937fe9a141a3c26cf1855:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-4/pr-56514/master#906deae0790bd18681b937fe9a141a3c26cf1855:/source:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/source" "-e" "USER_ID=1000" "-e" "CMD=cargo +906deae0790bd18681b937fe9a141a3c26cf1855-alt test --frozen --no-run" "-e" "CARGO_TARGET_DIR=/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/cargo-home" "-e" "RUSTUP_HOME=/rustup-home" "-m" "1536M" "--network" "none" "crater"`
Dec 06 16:22:26.934 INFO [stdout] f986ebfe42001758d5690364c8bcdec7812655a3084a57defc3e4371dd1df6ec
Dec 06 16:22:26.936 INFO running `"docker" "start" "-a" "f986ebfe42001758d5690364c8bcdec7812655a3084a57defc3e4371dd1df6ec"`
Dec 06 16:22:27.880 INFO [stderr] usermod: no changes
Dec 06 16:22:28.011 INFO [stderr]    Compiling zopen v0.3.1 (/source)
Dec 06 16:22:29.192 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 06 16:22:29.192 INFO [stderr]    --> src/tool.rs:189:13
Dec 06 16:22:29.192 INFO [stderr]     |
Dec 06 16:22:29.192 INFO [stderr] 189 |             writeln!(output, "Welt");
Dec 06 16:22:29.192 INFO [stderr]     |             ^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 06 16:22:29.192 INFO [stderr]     |
Dec 06 16:22:29.192 INFO [stderr]     = note: #[warn(unused_must_use)] on by default
Dec 06 16:22:29.192 INFO [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
Dec 06 16:22:29.192 INFO [stderr]     = note: this error originates in a macro outside of the current crate (in Nightly builds, run with -Z external-macro-backtrace for more info)
Dec 06 16:22:29.192 INFO [stderr] 
Dec 06 16:22:29.192 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 06 16:22:29.192 INFO [stderr]    --> src/tool.rs:190:13
Dec 06 16:22:29.192 INFO [stderr]     |
Dec 06 16:22:29.192 INFO [stderr] 190 |             writeln!(output, "Hallo");
Dec 06 16:22:29.192 INFO [stderr]     |             ^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 06 16:22:29.192 INFO [stderr]     |
Dec 06 16:22:29.192 INFO [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
Dec 06 16:22:29.192 INFO [stderr]     = note: this error originates in a macro outside of the current crate (in Nightly builds, run with -Z external-macro-backtrace for more info)
Dec 06 16:22:29.193 INFO [stderr] 
Dec 06 16:22:30.093 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.18s
Dec 06 16:22:30.098 INFO [stderr] su: No module specific data is present
Dec 06 16:22:30.909 INFO running `"docker" "inspect" "f986ebfe42001758d5690364c8bcdec7812655a3084a57defc3e4371dd1df6ec"`
Dec 06 16:22:31.218 INFO running `"docker" "rm" "-f" "f986ebfe42001758d5690364c8bcdec7812655a3084a57defc3e4371dd1df6ec"`
Dec 06 16:22:31.424 INFO [stdout] f986ebfe42001758d5690364c8bcdec7812655a3084a57defc3e4371dd1df6ec