Sep 10 20:41:29.481 INFO checking crossbeam-utils-0.5.0 against try#3a2610c2a16575649896925631bf8cec4f4b1961 for pr-54090
Sep 10 20:41:29.481 INFO running: cargo +3a2610c2a16575649896925631bf8cec4f4b1961-alt check --frozen --all --all-targets
Sep 10 20:41:29.481 INFO running `"docker" "create" "-v" "/home/ec2-user/crater/./work/local/test-source/worker-7/pr-54090/try#3a2610c2a16575649896925631bf8cec4f4b1961:/source:ro,Z" "-v" "/home/ec2-user/crater/./work/local/target-dirs/pr-54090/worker-7/try#3a2610c2a16575649896925631bf8cec4f4b1961:/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 +3a2610c2a16575649896925631bf8cec4f4b1961-alt check --frozen --all --all-targets" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-m" "2G" "crater"`
Sep 10 20:41:29.723 INFO blam! c20c3ae240905bf177b934991adb405f2633a7026a12b28136b52d447696111f
Sep 10 20:41:29.724 INFO running `"docker" "start" "-a" "c20c3ae240905bf177b934991adb405f2633a7026a12b28136b52d447696111f"`
Sep 10 20:41:30.891 INFO kablam! usermod: no changes
Sep 10 20:41:30.932 INFO kablam!     Checking crossbeam-utils v0.5.0 (file:///source)
Sep 10 20:41:31.862 INFO kablam! warning: unused return value of `std::clone::Clone::clone` which must be used
Sep 10 20:41:31.862 INFO kablam!    --> src/cache_padded.rs:168:9
Sep 10 20:41:31.862 INFO kablam!     |
Sep 10 20:41:31.862 INFO kablam! 168 |         a.clone();
Sep 10 20:41:31.862 INFO kablam!     |         ^^^^^^^^^^
Sep 10 20:41:31.862 INFO kablam!     |
Sep 10 20:41:31.862 INFO kablam!     = note: #[warn(unused_must_use)] on by default
Sep 10 20:41:31.862 INFO kablam!     = note: cloning is often expensive and is not expected to have side effects
Sep 10 20:41:31.862 INFO kablam! 
Sep 10 20:41:31.889 INFO kablam!     Finished dev [unoptimized + debuginfo] target(s) in 0.98s
Sep 10 20:41:31.896 INFO kablam! su: No module specific data is present
Sep 10 20:41:33.026 INFO running `"docker" "rm" "-f" "c20c3ae240905bf177b934991adb405f2633a7026a12b28136b52d447696111f"`
Sep 10 20:41:33.170 INFO blam! c20c3ae240905bf177b934991adb405f2633a7026a12b28136b52d447696111f