Nov 04 20:04:49.725 INFO checking pairlock-0.1.0 against master#2ad8c7b3502616aff142a4640cce911c6c2c5463 for pr-55655
Nov 04 20:04:49.725 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-55655/worker-7/master#2ad8c7b3502616aff142a4640cce911c6c2c5463:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-7/pr-55655/master#2ad8c7b3502616aff142a4640cce911c6c2c5463:/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 +2ad8c7b3502616aff142a4640cce911c6c2c5463-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"`
Nov 04 20:04:49.943 INFO blam! 1b91e52e0ef0f22d9ae239d24b247a0824cc8c231d9d2e6bfd5503433718848f
Nov 04 20:04:49.945 INFO running `"docker" "start" "-a" "1b91e52e0ef0f22d9ae239d24b247a0824cc8c231d9d2e6bfd5503433718848f"`
Nov 04 20:04:50.819 INFO kablam! usermod: no changes
Nov 04 20:04:50.880 INFO kablam!     Checking pairlock v0.1.0 (/source)
Nov 04 20:04:52.515 INFO kablam! warning: unused import: `black_box`
Nov 04 20:04:52.515 INFO kablam!  --> benches/race_detection.rs:3:21
Nov 04 20:04:52.515 INFO kablam!   |
Nov 04 20:04:52.515 INFO kablam! 3 | use test::{Bencher, black_box};
Nov 04 20:04:52.515 INFO kablam!   |                     ^^^^^^^^^
Nov 04 20:04:52.515 INFO kablam!   |
Nov 04 20:04:52.515 INFO kablam!   = note: #[warn(unused_imports)] on by default
Nov 04 20:04:52.515 INFO kablam! 
Nov 04 20:04:52.803 INFO kablam!     Finished dev [unoptimized + debuginfo] target(s) in 1.96s
Nov 04 20:04:52.805 INFO kablam! su: No module specific data is present
Nov 04 20:04:53.233 INFO running `"docker" "rm" "-f" "1b91e52e0ef0f22d9ae239d24b247a0824cc8c231d9d2e6bfd5503433718848f"`
Nov 04 20:04:53.374 INFO blam! 1b91e52e0ef0f22d9ae239d24b247a0824cc8c231d9d2e6bfd5503433718848f