Aug 30 20:34:19.754 INFO checking crossbeam-utils-0.5.0 against master#545f22340f72ee0efaf6463efb43a2840e3d35db for pr-53699
Aug 30 20:34:19.754 INFO running: cargo +545f22340f72ee0efaf6463efb43a2840e3d35db-alt check --frozen --all --all-targets
Aug 30 20:34:19.754 INFO running `"docker" "create" "-v" "/home/ec2-user/crater/./work/local/test-source/worker-0/pr-53699/master#545f22340f72ee0efaf6463efb43a2840e3d35db:/source:ro,Z" "-v" "/home/ec2-user/crater/./work/local/target-dirs/pr-53699/worker-0/master#545f22340f72ee0efaf6463efb43a2840e3d35db:/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 +545f22340f72ee0efaf6463efb43a2840e3d35db-alt check --frozen --all --all-targets" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-m" "2G" "crater"`
Aug 30 20:34:20.015 INFO blam! e1f613616b23a1dd6477bd4f023ecb53c198170c85fa7f82872d5ed92312071d
Aug 30 20:34:20.017 INFO running `"docker" "start" "-a" "e1f613616b23a1dd6477bd4f023ecb53c198170c85fa7f82872d5ed92312071d"`
Aug 30 20:34:20.870 INFO kablam!     Checking crossbeam-utils v0.5.0 (file:///source)
Aug 30 20:34:22.335 INFO kablam! warning: unused return value of `std::clone::Clone::clone` which must be used
Aug 30 20:34:22.335 INFO kablam!    --> src/cache_padded.rs:168:9
Aug 30 20:34:22.335 INFO kablam!     |
Aug 30 20:34:22.335 INFO kablam! 168 |         a.clone();
Aug 30 20:34:22.335 INFO kablam!     |         ^^^^^^^^^^
Aug 30 20:34:22.336 INFO kablam!     |
Aug 30 20:34:22.336 INFO kablam!     = note: #[warn(unused_must_use)] on by default
Aug 30 20:34:22.337 INFO kablam!     = note: cloning is often expensive and is not expected to have side effects
Aug 30 20:34:22.337 INFO kablam! 
Aug 30 20:34:22.368 INFO kablam!     Finished dev [unoptimized + debuginfo] target(s) in 1.53s
Aug 30 20:34:22.381 INFO kablam! su: No module specific data is present
Aug 30 20:34:22.907 INFO running `"docker" "rm" "-f" "e1f613616b23a1dd6477bd4f023ecb53c198170c85fa7f82872d5ed92312071d"`
Aug 30 20:34:23.054 INFO blam! e1f613616b23a1dd6477bd4f023ecb53c198170c85fa7f82872d5ed92312071d