Sep 14 12:05:10.274 INFO checking pairlock-0.1.0 against master#90d36fb5905bbe5004f5b465ea14b53d10dae260 for pr-53578-1
Sep 14 12:05:10.274 INFO running: cargo +90d36fb5905bbe5004f5b465ea14b53d10dae260-alt check --frozen --all --all-targets
Sep 14 12:05:10.274 INFO running `"docker" "create" "-v" "/home/ec2-user/crater/./work/local/test-source/worker-4/pr-53578-1/master#90d36fb5905bbe5004f5b465ea14b53d10dae260:/source:ro,Z" "-v" "/home/ec2-user/crater/./work/local/target-dirs/pr-53578-1/worker-4/master#90d36fb5905bbe5004f5b465ea14b53d10dae260:/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 +90d36fb5905bbe5004f5b465ea14b53d10dae260-alt check --frozen --all --all-targets" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-m" "2G" "crater"`
Sep 14 12:05:10.484 INFO blam! ea26600bbc5aea92a2183942427fd7e3d256e467c0d05f262a8926526ef49185
Sep 14 12:05:10.486 INFO running `"docker" "start" "-a" "ea26600bbc5aea92a2183942427fd7e3d256e467c0d05f262a8926526ef49185"`
Sep 14 12:05:11.427 INFO kablam! usermod: no changes
Sep 14 12:05:11.481 INFO kablam!     Checking pairlock v0.1.0 (file:///source)
Sep 14 12:05:12.151 INFO kablam! warning: unused import: `black_box`
Sep 14 12:05:12.151 INFO kablam!  --> benches/race_detection.rs:3:21
Sep 14 12:05:12.151 INFO kablam!   |
Sep 14 12:05:12.151 INFO kablam! 3 | use test::{Bencher, black_box};
Sep 14 12:05:12.151 INFO kablam!   |                     ^^^^^^^^^
Sep 14 12:05:12.151 INFO kablam!   |
Sep 14 12:05:12.151 INFO kablam!   = note: #[warn(unused_imports)] on by default
Sep 14 12:05:12.152 INFO kablam! 
Sep 14 12:05:12.374 INFO kablam!     Finished dev [unoptimized + debuginfo] target(s) in 0.90s
Sep 14 12:05:12.374 INFO kablam! su: No module specific data is present
Sep 14 12:05:12.892 INFO running `"docker" "rm" "-f" "ea26600bbc5aea92a2183942427fd7e3d256e467c0d05f262a8926526ef49185"`
Sep 14 12:05:12.987 INFO blam! ea26600bbc5aea92a2183942427fd7e3d256e467c0d05f262a8926526ef49185