Sep 04 08:43:44.745 INFO checking pairlock-0.1.0 against master#28bcffead74d5e17c6cb1f7de432e37f93a6b50c for pr-53893
Sep 04 08:43:44.745 INFO running: cargo +28bcffead74d5e17c6cb1f7de432e37f93a6b50c-alt check --frozen --all --all-targets
Sep 04 08:43:44.745 INFO running `"docker" "create" "-v" "/home/ec2-user/crater/./work/local/test-source/worker-3/pr-53893/master#28bcffead74d5e17c6cb1f7de432e37f93a6b50c:/source:ro,Z" "-v" "/home/ec2-user/crater/./work/local/target-dirs/pr-53893/worker-3/master#28bcffead74d5e17c6cb1f7de432e37f93a6b50c:/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 +28bcffead74d5e17c6cb1f7de432e37f93a6b50c-alt check --frozen --all --all-targets" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-m" "2G" "crater"`
Sep 04 08:43:44.901 INFO blam! 34db4f2928b67c4fe31a227a431bd7f89417a5e7934a6f6ba2165c5e23ad9485
Sep 04 08:43:44.903 INFO running `"docker" "start" "-a" "34db4f2928b67c4fe31a227a431bd7f89417a5e7934a6f6ba2165c5e23ad9485"`
Sep 04 08:43:45.532 INFO kablam!     Checking pairlock v0.1.0 (file:///source)
Sep 04 08:43:46.980 INFO kablam! warning: unused import: `black_box`
Sep 04 08:43:46.980 INFO kablam!  --> benches/race_detection.rs:3:21
Sep 04 08:43:46.980 INFO kablam!   |
Sep 04 08:43:46.981 INFO kablam! 3 | use test::{Bencher, black_box};
Sep 04 08:43:46.981 INFO kablam!   |                     ^^^^^^^^^
Sep 04 08:43:46.981 INFO kablam!   |
Sep 04 08:43:46.981 INFO kablam!   = note: #[warn(unused_imports)] on by default
Sep 04 08:43:46.981 INFO kablam! 
Sep 04 08:43:47.583 INFO kablam!     Finished dev [unoptimized + debuginfo] target(s) in 2.06s
Sep 04 08:43:47.587 INFO kablam! su: No module specific data is present
Sep 04 08:43:47.950 INFO running `"docker" "rm" "-f" "34db4f2928b67c4fe31a227a431bd7f89417a5e7934a6f6ba2165c5e23ad9485"`
Sep 04 08:43:48.056 INFO blam! 34db4f2928b67c4fe31a227a431bd7f89417a5e7934a6f6ba2165c5e23ad9485