Aug 17 15:22:09.021 INFO checking pairlock-0.1.0 against master#142bb27373126edf8367f526358b6c72ecf1d8df for pr-53426
Aug 17 15:22:09.021 INFO running: cargo +142bb27373126edf8367f526358b6c72ecf1d8df-alt check --frozen --all --all-targets
Aug 17 15:22:09.021 INFO creating container for: cargo +142bb27373126edf8367f526358b6c72ecf1d8df-alt check --frozen --all --all-targets
Aug 17 15:22:09.021 INFO running `"docker" "create" "-v" "/home/ec2-user/crater/./work/local/test-source/worker-1/pr-53426/master#142bb27373126edf8367f526358b6c72ecf1d8df:/source:ro,Z" "-v" "/home/ec2-user/crater/./work/local/target-dirs/pr-53426/worker-1/master#142bb27373126edf8367f526358b6c72ecf1d8df:/target:rw,Z" "-v" "/home/ec2-user/crater/./work/local/cargo-home:/cargo-home:ro,Z" "-v" "/home/ec2-user/crater/./work/local/rustup-home:/rustup-home:ro,Z" "-e" "USER_ID=500" "-e" "CMD=cargo +142bb27373126edf8367f526358b6c72ecf1d8df-alt check --frozen --all --all-targets" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "crater"`
Aug 17 15:22:09.263 INFO blam! 029942b66089b50e81bdd2dab9be0e8379d44bb02af0d43d3247111d90c03ce4
Aug 17 15:22:09.266 INFO running `"docker" "start" "-a" "029942b66089b50e81bdd2dab9be0e8379d44bb02af0d43d3247111d90c03ce4"`
Aug 17 15:22:10.285 INFO kablam!     Checking pairlock v0.1.0 (file:///source)
Aug 17 15:22:12.992 INFO kablam! warning: unused import: `black_box`
Aug 17 15:22:12.992 INFO kablam!  --> benches/race_detection.rs:3:21
Aug 17 15:22:12.992 INFO kablam!   |
Aug 17 15:22:12.992 INFO kablam! 3 | use test::{Bencher, black_box};
Aug 17 15:22:12.992 INFO kablam!   |                     ^^^^^^^^^
Aug 17 15:22:12.992 INFO kablam!   |
Aug 17 15:22:12.992 INFO kablam!   = note: #[warn(unused_imports)] on by default
Aug 17 15:22:12.993 INFO kablam! 
Aug 17 15:22:14.496 INFO kablam!     Finished dev [unoptimized + debuginfo] target(s) in 4.27s
Aug 17 15:22:14.502 INFO kablam! su: No module specific data is present
Aug 17 15:22:15.011 INFO running `"docker" "rm" "-f" "029942b66089b50e81bdd2dab9be0e8379d44bb02af0d43d3247111d90c03ce4"`
Aug 17 15:22:15.245 INFO blam! 029942b66089b50e81bdd2dab9be0e8379d44bb02af0d43d3247111d90c03ce4