Sep 20 03:13:01.712 INFO checking crossbeam-utils-0.5.0 against master#ff6422d7a392acfc8af28994d65af2bbaecea4f6 for pr-54346
Sep 20 03:13:01.712 INFO running: cargo +ff6422d7a392acfc8af28994d65af2bbaecea4f6-alt check --frozen --all --all-targets
Sep 20 03:13:01.712 INFO running `"docker" "create" "-v" "/home/ec2-user/crater/./work/local/test-source/worker-3/pr-54346/master#ff6422d7a392acfc8af28994d65af2bbaecea4f6:/source:ro,Z" "-v" "/home/ec2-user/crater/./work/local/target-dirs/pr-54346/worker-3/master#ff6422d7a392acfc8af28994d65af2bbaecea4f6:/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 +ff6422d7a392acfc8af28994d65af2bbaecea4f6-alt check --frozen --all --all-targets" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-m" "1536M" "crater"`
Sep 20 03:13:02.056 INFO blam! d0238e2e156c85679615a93db701eaacb845daa50f43aeeef16ef595b161932a
Sep 20 03:13:02.058 INFO running `"docker" "start" "-a" "d0238e2e156c85679615a93db701eaacb845daa50f43aeeef16ef595b161932a"`
Sep 20 03:13:03.576 INFO kablam! usermod: no changes
Sep 20 03:13:03.659 INFO kablam!     Checking crossbeam-utils v0.5.0 (/source)
Sep 20 03:13:04.582 INFO kablam! warning: unused return value of `std::clone::Clone::clone` which must be used
Sep 20 03:13:04.582 INFO kablam!    --> src/cache_padded.rs:168:9
Sep 20 03:13:04.582 INFO kablam!     |
Sep 20 03:13:04.582 INFO kablam! 168 |         a.clone();
Sep 20 03:13:04.582 INFO kablam!     |         ^^^^^^^^^^
Sep 20 03:13:04.582 INFO kablam!     |
Sep 20 03:13:04.582 INFO kablam!     = note: #[warn(unused_must_use)] on by default
Sep 20 03:13:04.582 INFO kablam!     = note: cloning is often expensive and is not expected to have side effects
Sep 20 03:13:04.582 INFO kablam! 
Sep 20 03:13:04.625 INFO kablam!     Finished dev [unoptimized + debuginfo] target(s) in 1.02s
Sep 20 03:13:04.627 INFO kablam! su: No module specific data is present
Sep 20 03:13:05.349 INFO running `"docker" "rm" "-f" "d0238e2e156c85679615a93db701eaacb845daa50f43aeeef16ef595b161932a"`
Sep 20 03:13:05.574 INFO blam! d0238e2e156c85679615a93db701eaacb845daa50f43aeeef16ef595b161932a