Sep 02 05:21:46.608 INFO checking pairlock-0.1.0 against master#1114ab684fbad001c4e580326d8eb4d8c4e917d3 for pr-53851
Sep 02 05:21:46.608 INFO running: cargo +1114ab684fbad001c4e580326d8eb4d8c4e917d3-alt check --frozen --all --all-targets
Sep 02 05:21:46.609 INFO running `"docker" "create" "-v" "/home/ec2-user/crater/./work/local/test-source/worker-2/pr-53851/master#1114ab684fbad001c4e580326d8eb4d8c4e917d3:/source:ro,Z" "-v" "/home/ec2-user/crater/./work/local/target-dirs/pr-53851/worker-2/master#1114ab684fbad001c4e580326d8eb4d8c4e917d3:/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 +1114ab684fbad001c4e580326d8eb4d8c4e917d3-alt check --frozen --all --all-targets" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-m" "2G" "crater"`
Sep 02 05:21:46.781 INFO blam! 5c4a00327f9a2c36ee92729d13536466644f8ad651abe9dbebd66588fd4ef8d3
Sep 02 05:21:46.783 INFO running `"docker" "start" "-a" "5c4a00327f9a2c36ee92729d13536466644f8ad651abe9dbebd66588fd4ef8d3"`
Sep 02 05:21:47.484 INFO kablam!     Checking pairlock v0.1.0 (file:///source)
Sep 02 05:21:48.954 INFO kablam! warning: unused import: `black_box`
Sep 02 05:21:48.954 INFO kablam!  --> benches/race_detection.rs:3:21
Sep 02 05:21:48.954 INFO kablam!   |
Sep 02 05:21:48.954 INFO kablam! 3 | use test::{Bencher, black_box};
Sep 02 05:21:48.954 INFO kablam!   |                     ^^^^^^^^^
Sep 02 05:21:48.954 INFO kablam!   |
Sep 02 05:21:48.954 INFO kablam!   = note: #[warn(unused_imports)] on by default
Sep 02 05:21:48.954 INFO kablam! 
Sep 02 05:21:49.431 INFO kablam!     Finished dev [unoptimized + debuginfo] target(s) in 1.97s
Sep 02 05:21:49.434 INFO kablam! su: No module specific data is present
Sep 02 05:21:49.826 INFO running `"docker" "rm" "-f" "5c4a00327f9a2c36ee92729d13536466644f8ad651abe9dbebd66588fd4ef8d3"`
Sep 02 05:21:49.951 INFO blam! 5c4a00327f9a2c36ee92729d13536466644f8ad651abe9dbebd66588fd4ef8d3