Nov 07 11:14:57.341 INFO checking pairlock-0.1.0 against master#24e66c28980442a48d9458f1a4f9b76cc722dc8a for pr-55687
Nov 07 11:14:57.342 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-55687/worker-3/master#24e66c28980442a48d9458f1a4f9b76cc722dc8a:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-3/pr-55687/master#24e66c28980442a48d9458f1a4f9b76cc722dc8a:/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 +24e66c28980442a48d9458f1a4f9b76cc722dc8a-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 07 11:14:57.507 INFO blam! 18fc4311569be0be8128718d933e1e4f93ed6b51271e0c101404bb6b26ec9a41
Nov 07 11:14:57.507 INFO running `"docker" "start" "-a" "18fc4311569be0be8128718d933e1e4f93ed6b51271e0c101404bb6b26ec9a41"`
Nov 07 11:14:57.948 INFO kablam! usermod: no changes
Nov 07 11:14:57.988 INFO kablam!     Checking pairlock v0.1.0 (/source)
Nov 07 11:15:00.172 INFO kablam! warning: unused import: `black_box`
Nov 07 11:15:00.172 INFO kablam!  --> benches/race_detection.rs:3:21
Nov 07 11:15:00.172 INFO kablam!   |
Nov 07 11:15:00.172 INFO kablam! 3 | use test::{Bencher, black_box};
Nov 07 11:15:00.172 INFO kablam!   |                     ^^^^^^^^^
Nov 07 11:15:00.172 INFO kablam!   |
Nov 07 11:15:00.172 INFO kablam!   = note: #[warn(unused_imports)] on by default
Nov 07 11:15:00.172 INFO kablam! 
Nov 07 11:15:00.880 INFO kablam!     Finished dev [unoptimized + debuginfo] target(s) in 2.90s
Nov 07 11:15:00.884 INFO kablam! su: No module specific data is present
Nov 07 11:15:01.327 INFO running `"docker" "rm" "-f" "18fc4311569be0be8128718d933e1e4f93ed6b51271e0c101404bb6b26ec9a41"`
Nov 07 11:15:01.534 INFO blam! 18fc4311569be0be8128718d933e1e4f93ed6b51271e0c101404bb6b26ec9a41