Sep 10 06:13:25.454 INFO checking workerpool-1.1.1 against try#3a2610c2a16575649896925631bf8cec4f4b1961 for pr-54090 Sep 10 06:13:25.454 INFO running: cargo +3a2610c2a16575649896925631bf8cec4f4b1961-alt check --frozen --all --all-targets Sep 10 06:13:25.455 INFO running `"docker" "create" "-v" "/home/ec2-user/crater/./work/local/test-source/worker-4/pr-54090/try#3a2610c2a16575649896925631bf8cec4f4b1961:/source:ro,Z" "-v" "/home/ec2-user/crater/./work/local/target-dirs/pr-54090/worker-4/try#3a2610c2a16575649896925631bf8cec4f4b1961:/target:rw,Z" "-v" "/home/ec2-user/crater/./work/local/cargo-home:/cargo-home:ro,Z" "-v" "/home/ec2-user/crater/./work/local/rustup-home:/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "CMD=cargo +3a2610c2a16575649896925631bf8cec4f4b1961-alt check --frozen --all --all-targets" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-m" "2G" "crater"` Sep 10 06:13:25.709 INFO blam! e83b81c157b5288460e87f23724fb455319cbfdccb4ef6afc5bd018f8b71808f Sep 10 06:13:25.711 INFO running `"docker" "start" "-a" "e83b81c157b5288460e87f23724fb455319cbfdccb4ef6afc5bd018f8b71808f"` Sep 10 06:13:26.870 INFO kablam! usermod: no changes Sep 10 06:13:26.958 INFO kablam! Checking workerpool v1.1.1 (file:///source) Sep 10 06:13:27.862 INFO kablam! warning: unused arithmetic operation which must be used Sep 10 06:13:27.862 INFO kablam! --> src/lib.rs:1070:46 Sep 10 06:13:27.862 INFO kablam! | Sep 10 06:13:27.862 INFO kablam! 1070 | pool.execute(Thunk::of(move || { 1 + 1; })); Sep 10 06:13:27.862 INFO kablam! | ^^^^^ Sep 10 06:13:27.863 INFO kablam! | Sep 10 06:13:27.863 INFO kablam! = note: #[warn(unused_must_use)] on by default Sep 10 06:13:27.863 INFO kablam! Sep 10 06:13:27.914 INFO kablam! Finished dev [unoptimized + debuginfo] target(s) in 1.02s Sep 10 06:13:27.916 INFO kablam! su: No module specific data is present Sep 10 06:13:28.450 INFO running `"docker" "rm" "-f" "e83b81c157b5288460e87f23724fb455319cbfdccb4ef6afc5bd018f8b71808f"` Sep 10 06:13:28.585 INFO blam! e83b81c157b5288460e87f23724fb455319cbfdccb4ef6afc5bd018f8b71808f