Aug 17 08:27:32.532 INFO checking threadpool-1.7.1 against master#142bb27373126edf8367f526358b6c72ecf1d8df for pr-53426 Aug 17 08:27:32.532 INFO running: cargo +142bb27373126edf8367f526358b6c72ecf1d8df-alt check --frozen --all --all-targets Aug 17 08:27:32.532 INFO creating container for: cargo +142bb27373126edf8367f526358b6c72ecf1d8df-alt check --frozen --all --all-targets Aug 17 08:27:32.532 INFO running `"docker" "create" "-v" "/home/ec2-user/crater/./work/local/test-source/worker-2/pr-53426/master#142bb27373126edf8367f526358b6c72ecf1d8df:/source:ro,Z" "-v" "/home/ec2-user/crater/./work/local/target-dirs/pr-53426/worker-2/master#142bb27373126edf8367f526358b6c72ecf1d8df:/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=500" "-e" "CMD=cargo +142bb27373126edf8367f526358b6c72ecf1d8df-alt check --frozen --all --all-targets" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "crater"` Aug 17 08:27:32.818 INFO blam! c3cea37b0d4c2f4ade4952c99f67e7dc50edc8dd4cf2bc1bd04e1f0554940ae5 Aug 17 08:27:32.820 INFO running `"docker" "start" "-a" "c3cea37b0d4c2f4ade4952c99f67e7dc50edc8dd4cf2bc1bd04e1f0554940ae5"` Aug 17 08:27:33.896 INFO kablam! Checking threadpool v1.7.1 (file:///source) Aug 17 08:27:35.963 INFO kablam! warning: unused arithmetic operation which must be used Aug 17 08:27:35.963 INFO kablam! --> src/lib.rs:815:36 Aug 17 08:27:35.963 INFO kablam! | Aug 17 08:27:35.963 INFO kablam! 815 | pool.execute(move || { 1 + 1; }); Aug 17 08:27:35.964 INFO kablam! | ^^^^^ Aug 17 08:27:35.964 INFO kablam! | Aug 17 08:27:35.964 INFO kablam! = note: #[warn(unused_must_use)] on by default Aug 17 08:27:35.964 INFO kablam! Aug 17 08:27:36.022 INFO kablam! Finished dev [unoptimized + debuginfo] target(s) in 2.16s Aug 17 08:27:36.026 INFO kablam! su: No module specific data is present Aug 17 08:27:36.589 INFO running `"docker" "rm" "-f" "c3cea37b0d4c2f4ade4952c99f67e7dc50edc8dd4cf2bc1bd04e1f0554940ae5"` Aug 17 08:27:36.759 INFO blam! c3cea37b0d4c2f4ade4952c99f67e7dc50edc8dd4cf2bc1bd04e1f0554940ae5