Sep 01 07:09:34.701 INFO checking crossbeam-utils-0.5.0 against master#d0d81b7fc1421859ba0218e8a437af29ae3b0967 for pr-53578
Sep 01 07:09:34.701 INFO running: cargo +d0d81b7fc1421859ba0218e8a437af29ae3b0967-alt check --frozen --all --all-targets
Sep 01 07:09:34.701 INFO running `"docker" "create" "-v" "/home/ec2-user/crater/./work/local/test-source/worker-1/pr-53578/master#d0d81b7fc1421859ba0218e8a437af29ae3b0967:/source:ro,Z" "-v" "/home/ec2-user/crater/./work/local/target-dirs/pr-53578/worker-1/master#d0d81b7fc1421859ba0218e8a437af29ae3b0967:/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 +d0d81b7fc1421859ba0218e8a437af29ae3b0967-alt check --frozen --all --all-targets" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-m" "2G" "crater"`
Sep 01 07:09:34.962 INFO blam! c85d54e5e5d2cac028eaec9e55202edabda7e35b64ac956cb512adbae988ee9c
Sep 01 07:09:34.964 INFO running `"docker" "start" "-a" "c85d54e5e5d2cac028eaec9e55202edabda7e35b64ac956cb512adbae988ee9c"`
Sep 01 07:09:35.810 INFO kablam!     Checking crossbeam-utils v0.5.0 (file:///source)
Sep 01 07:09:37.304 INFO kablam! warning: unused return value of `std::clone::Clone::clone` which must be used
Sep 01 07:09:37.304 INFO kablam!    --> src/cache_padded.rs:168:9
Sep 01 07:09:37.304 INFO kablam!     |
Sep 01 07:09:37.304 INFO kablam! 168 |         a.clone();
Sep 01 07:09:37.304 INFO kablam!     |         ^^^^^^^^^^
Sep 01 07:09:37.304 INFO kablam!     |
Sep 01 07:09:37.304 INFO kablam!     = note: #[warn(unused_must_use)] on by default
Sep 01 07:09:37.305 INFO kablam!     = note: cloning is often expensive and is not expected to have side effects
Sep 01 07:09:37.305 INFO kablam! 
Sep 01 07:09:37.355 INFO kablam!     Finished dev [unoptimized + debuginfo] target(s) in 1.57s
Sep 01 07:09:37.360 INFO kablam! su: No module specific data is present
Sep 01 07:09:37.910 INFO running `"docker" "rm" "-f" "c85d54e5e5d2cac028eaec9e55202edabda7e35b64ac956cb512adbae988ee9c"`
Sep 01 07:09:38.087 INFO blam! c85d54e5e5d2cac028eaec9e55202edabda7e35b64ac956cb512adbae988ee9c