Oct 13 11:08:57.625 INFO checking pairlock-0.1.0 against try#4021bd0b3c5815b087d6db10ce461e7e4854ade7 for pr-54977 Oct 13 11:08:57.625 INFO running `"docker" "create" "-v" "/mnt/big/crater/./work/local/target-dirs/pr-54977/worker-3/try#4021bd0b3c5815b087d6db10ce461e7e4854ade7:/target:rw,Z" "-v" "/mnt/big/crater/./work/local/test-source/worker-3/pr-54977/try#4021bd0b3c5815b087d6db10ce461e7e4854ade7:/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 +4021bd0b3c5815b087d6db10ce461e7e4854ade7-alt check --frozen --all --all-targets" "-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"` Oct 13 11:08:57.930 INFO blam! e5f4c473ae731074cfa5362f2bde727f63b6eecc4a1c372aadc6a3d12bfe75b6 Oct 13 11:08:57.948 INFO running `"docker" "start" "-a" "e5f4c473ae731074cfa5362f2bde727f63b6eecc4a1c372aadc6a3d12bfe75b6"` Oct 13 11:08:58.527 INFO kablam! usermod: no changes Oct 13 11:08:58.564 INFO kablam! Checking pairlock v0.1.0 (/source) Oct 13 11:09:00.712 INFO kablam! warning: unused import: `black_box` Oct 13 11:09:00.712 INFO kablam! --> benches/race_detection.rs:3:21 Oct 13 11:09:00.712 INFO kablam! | Oct 13 11:09:00.712 INFO kablam! 3 | use test::{Bencher, black_box}; Oct 13 11:09:00.712 INFO kablam! | ^^^^^^^^^ Oct 13 11:09:00.712 INFO kablam! | Oct 13 11:09:00.712 INFO kablam! = note: #[warn(unused_imports)] on by default Oct 13 11:09:00.712 INFO kablam! Oct 13 11:09:00.984 INFO kablam! Finished dev [unoptimized + debuginfo] target(s) in 2.43s Oct 13 11:09:00.988 INFO kablam! su: No module specific data is present Oct 13 11:09:01.720 INFO running `"docker" "rm" "-f" "e5f4c473ae731074cfa5362f2bde727f63b6eecc4a1c372aadc6a3d12bfe75b6"` Oct 13 11:09:01.960 INFO blam! e5f4c473ae731074cfa5362f2bde727f63b6eecc4a1c372aadc6a3d12bfe75b6