Nov 10 02:23:10.700 INFO checking pairlock-0.1.0 against master#653da4fd006c97625247acd7e076d0782cdc149b for pr-55632
Nov 10 02:23:10.701 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-55632/worker-6/master#653da4fd006c97625247acd7e076d0782cdc149b:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-6/pr-55632/master#653da4fd006c97625247acd7e076d0782cdc149b:/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 +653da4fd006c97625247acd7e076d0782cdc149b-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 10 02:23:10.947 INFO blam! aa8a65407b210873109d2b8426f6ae3ac461e9bae30c84405900fb489e3581a3
Nov 10 02:23:10.952 INFO running `"docker" "start" "-a" "aa8a65407b210873109d2b8426f6ae3ac461e9bae30c84405900fb489e3581a3"`
Nov 10 02:23:11.643 INFO kablam! usermod: no changes
Nov 10 02:23:11.748 INFO kablam!     Checking pairlock v0.1.0 (/source)
Nov 10 02:23:13.328 INFO kablam! warning: unused import: `black_box`
Nov 10 02:23:13.328 INFO kablam!  --> benches/race_detection.rs:3:21
Nov 10 02:23:13.328 INFO kablam!   |
Nov 10 02:23:13.329 INFO kablam! 3 | use test::{Bencher, black_box};
Nov 10 02:23:13.329 INFO kablam!   |                     ^^^^^^^^^
Nov 10 02:23:13.329 INFO kablam!   |
Nov 10 02:23:13.329 INFO kablam!   = note: #[warn(unused_imports)] on by default
Nov 10 02:23:13.330 INFO kablam! 
Nov 10 02:23:13.559 INFO kablam!     Finished dev [unoptimized + debuginfo] target(s) in 1.85s
Nov 10 02:23:13.563 INFO kablam! su: No module specific data is present
Nov 10 02:23:13.916 INFO running `"docker" "rm" "-f" "aa8a65407b210873109d2b8426f6ae3ac461e9bae30c84405900fb489e3581a3"`
Nov 10 02:23:14.018 INFO blam! aa8a65407b210873109d2b8426f6ae3ac461e9bae30c84405900fb489e3581a3