Sep 21 11:45:32.890 INFO checking crossbeam-utils-0.5.0 against master#f7f4c500b46603386e940f116b469c7adc043a6d for pr-54394
Sep 21 11:45:32.890 INFO running: cargo +f7f4c500b46603386e940f116b469c7adc043a6d-alt check --frozen --all --all-targets
Sep 21 11:45:32.890 INFO running `"docker" "create" "-v" "/home/ec2-user/crater/./work/local/test-source/worker-7/pr-54394/master#f7f4c500b46603386e940f116b469c7adc043a6d:/source:ro,Z" "-v" "/home/ec2-user/crater/./work/local/target-dirs/pr-54394/worker-7/master#f7f4c500b46603386e940f116b469c7adc043a6d:/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 +f7f4c500b46603386e940f116b469c7adc043a6d-alt check --frozen --all --all-targets" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-m" "1536M" "crater"`
Sep 21 11:45:33.100 INFO blam! 2c9609f49db4456443e15417bf998c6484b9dd21c05f60993782a98884f839c6
Sep 21 11:45:33.102 INFO running `"docker" "start" "-a" "2c9609f49db4456443e15417bf998c6484b9dd21c05f60993782a98884f839c6"`
Sep 21 11:45:34.082 INFO kablam! usermod: no changes
Sep 21 11:45:34.146 INFO kablam!     Checking crossbeam-utils v0.5.0 (/source)
Sep 21 11:45:35.199 INFO kablam! warning: unused return value of `std::clone::Clone::clone` which must be used
Sep 21 11:45:35.199 INFO kablam!    --> src/cache_padded.rs:168:9
Sep 21 11:45:35.199 INFO kablam!     |
Sep 21 11:45:35.199 INFO kablam! 168 |         a.clone();
Sep 21 11:45:35.199 INFO kablam!     |         ^^^^^^^^^^
Sep 21 11:45:35.199 INFO kablam!     |
Sep 21 11:45:35.200 INFO kablam!     = note: #[warn(unused_must_use)] on by default
Sep 21 11:45:35.200 INFO kablam!     = note: cloning is often expensive and is not expected to have side effects
Sep 21 11:45:35.200 INFO kablam! 
Sep 21 11:45:35.226 INFO kablam!     Finished dev [unoptimized + debuginfo] target(s) in 1.10s
Sep 21 11:45:35.230 INFO kablam! su: No module specific data is present
Sep 21 11:45:36.173 INFO running `"docker" "rm" "-f" "2c9609f49db4456443e15417bf998c6484b9dd21c05f60993782a98884f839c6"`
Sep 21 11:45:36.283 INFO blam! 2c9609f49db4456443e15417bf998c6484b9dd21c05f60993782a98884f839c6