Nov 01 18:53:02.839 INFO checking pairlock-0.1.0 against try#d7816399d50d407bbce1efe9dbadf8faaaf568fc for pr-55538
Nov 01 18:53:02.839 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-55538/worker-1/try#d7816399d50d407bbce1efe9dbadf8faaaf568fc:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-1/pr-55538/try#d7816399d50d407bbce1efe9dbadf8faaaf568fc:/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 +d7816399d50d407bbce1efe9dbadf8faaaf568fc-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 01 18:53:03.040 INFO blam! 073f6ea7aa35fb725347b704d660e8afa763af67c0bb4646012cce7b272c7595
Nov 01 18:53:03.042 INFO running `"docker" "start" "-a" "073f6ea7aa35fb725347b704d660e8afa763af67c0bb4646012cce7b272c7595"`
Nov 01 18:53:04.032 INFO kablam! usermod: no changes
Nov 01 18:53:04.100 INFO kablam!     Checking pairlock v0.1.0 (/source)
Nov 01 18:53:05.934 INFO kablam! warning: unused import: `black_box`
Nov 01 18:53:05.934 INFO kablam!  --> benches/race_detection.rs:3:21
Nov 01 18:53:05.934 INFO kablam!   |
Nov 01 18:53:05.934 INFO kablam! 3 | use test::{Bencher, black_box};
Nov 01 18:53:05.934 INFO kablam!   |                     ^^^^^^^^^
Nov 01 18:53:05.934 INFO kablam!   |
Nov 01 18:53:05.934 INFO kablam!   = note: #[warn(unused_imports)] on by default
Nov 01 18:53:05.934 INFO kablam! 
Nov 01 18:53:06.404 INFO kablam!     Finished dev [unoptimized + debuginfo] target(s) in 2.34s
Nov 01 18:53:06.408 INFO kablam! su: No module specific data is present
Nov 01 18:53:07.046 INFO running `"docker" "rm" "-f" "073f6ea7aa35fb725347b704d660e8afa763af67c0bb4646012cce7b272c7595"`
Nov 01 18:53:07.276 INFO blam! 073f6ea7aa35fb725347b704d660e8afa763af67c0bb4646012cce7b272c7595