Oct 13 11:08:57.625 INFO checking pairlock-0.1.0 against master#5af0bb83044c3fb43d59ad5f49ee5ae1a293901f for pr-54977
Oct 13 11:08:57.625 INFO running `"docker" "create" "-v" "/mnt/big/crater/./work/local/target-dirs/pr-54977/worker-7/master#5af0bb83044c3fb43d59ad5f49ee5ae1a293901f:/target:rw,Z" "-v" "/mnt/big/crater/./work/local/test-source/worker-7/pr-54977/master#5af0bb83044c3fb43d59ad5f49ee5ae1a293901f:/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 +5af0bb83044c3fb43d59ad5f49ee5ae1a293901f-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 11:08:57.876 INFO blam! 747a60323ec91d9e1304ca91b7131990b16ed333376be9afcdb4603cbbed5df7
Oct 13 11:08:57.881 INFO running `"docker" "start" "-a" "747a60323ec91d9e1304ca91b7131990b16ed333376be9afcdb4603cbbed5df7"`
Oct 13 11:08:58.483 INFO kablam! usermod: no changes
Oct 13 11:08:58.509 INFO kablam!     Checking pairlock v0.1.0 (/source)
Oct 13 11:09:00.222 INFO kablam! warning: unused import: `black_box`
Oct 13 11:09:00.222 INFO kablam!  --> benches/race_detection.rs:3:21
Oct 13 11:09:00.222 INFO kablam!   |
Oct 13 11:09:00.222 INFO kablam! 3 | use test::{Bencher, black_box};
Oct 13 11:09:00.223 INFO kablam!   |                     ^^^^^^^^^
Oct 13 11:09:00.223 INFO kablam!   |
Oct 13 11:09:00.223 INFO kablam!   = note: #[warn(unused_imports)] on by default
Oct 13 11:09:00.223 INFO kablam! 
Oct 13 11:09:00.995 INFO kablam!     Finished dev [unoptimized + debuginfo] target(s) in 2.50s
Oct 13 11:09:01.000 INFO kablam! su: No module specific data is present
Oct 13 11:09:01.728 INFO running `"docker" "rm" "-f" "747a60323ec91d9e1304ca91b7131990b16ed333376be9afcdb4603cbbed5df7"`
Oct 13 11:09:01.951 INFO blam! 747a60323ec91d9e1304ca91b7131990b16ed333376be9afcdb4603cbbed5df7