Sep 19 23:08:53.656 INFO checking pairlock-0.1.0 against try#135b4cd023a753409d01e43b0f23d22a899feeeb for pr-54352
Sep 19 23:08:53.656 INFO running: cargo +135b4cd023a753409d01e43b0f23d22a899feeeb-alt check --frozen --all --all-targets
Sep 19 23:08:53.656 INFO running `"docker" "create" "-v" "/home/ec2-user/crater/./work/local/test-source/worker-1/pr-54352/try#135b4cd023a753409d01e43b0f23d22a899feeeb:/source:ro,Z" "-v" "/home/ec2-user/crater/./work/local/target-dirs/pr-54352/worker-1/try#135b4cd023a753409d01e43b0f23d22a899feeeb:/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=1000" "-e" "CMD=cargo +135b4cd023a753409d01e43b0f23d22a899feeeb-alt check --frozen --all --all-targets" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-m" "1536M" "crater"`
Sep 19 23:08:53.823 INFO blam! 0ca816165daa16e8d1665c2db7fa7d6305a4827c92189f028062546894f91cd7
Sep 19 23:08:53.830 INFO running `"docker" "start" "-a" "0ca816165daa16e8d1665c2db7fa7d6305a4827c92189f028062546894f91cd7"`
Sep 19 23:08:54.832 INFO kablam! usermod: no changes
Sep 19 23:08:54.860 INFO kablam!     Checking pairlock v0.1.0 (/source)
Sep 19 23:08:55.606 INFO kablam! warning: unused import: `black_box`
Sep 19 23:08:55.606 INFO kablam!  --> benches/race_detection.rs:3:21
Sep 19 23:08:55.606 INFO kablam!   |
Sep 19 23:08:55.606 INFO kablam! 3 | use test::{Bencher, black_box};
Sep 19 23:08:55.606 INFO kablam!   |                     ^^^^^^^^^
Sep 19 23:08:55.606 INFO kablam!   |
Sep 19 23:08:55.606 INFO kablam!   = note: #[warn(unused_imports)] on by default
Sep 19 23:08:55.606 INFO kablam! 
Sep 19 23:08:55.874 INFO kablam!     Finished dev [unoptimized + debuginfo] target(s) in 1.03s
Sep 19 23:08:55.878 INFO kablam! su: No module specific data is present
Sep 19 23:08:56.595 INFO running `"docker" "rm" "-f" "0ca816165daa16e8d1665c2db7fa7d6305a4827c92189f028062546894f91cd7"`
Sep 19 23:08:56.667 INFO blam! 0ca816165daa16e8d1665c2db7fa7d6305a4827c92189f028062546894f91cd7