Aug 31 08:34:54.714 INFO checking workerpool-1.1.1 against master#d0d81b7fc1421859ba0218e8a437af29ae3b0967 for pr-53578
Aug 31 08:34:54.714 INFO running: cargo +d0d81b7fc1421859ba0218e8a437af29ae3b0967-alt check --frozen --all --all-targets
Aug 31 08:34:54.714 INFO running `"docker" "create" "-v" "/home/ec2-user/crater/./work/local/test-source/worker-3/pr-53578/master#d0d81b7fc1421859ba0218e8a437af29ae3b0967:/source:ro,Z" "-v" "/home/ec2-user/crater/./work/local/target-dirs/pr-53578/worker-3/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"`
Aug 31 08:34:54.898 INFO blam! 1040bbbefbe48c66ef9cb477f112166a12f8568431cdc86771c30a1fcaee1d75
Aug 31 08:34:54.900 INFO running `"docker" "start" "-a" "1040bbbefbe48c66ef9cb477f112166a12f8568431cdc86771c30a1fcaee1d75"`
Aug 31 08:34:55.787 INFO kablam!     Checking workerpool v1.1.1 (file:///source)
Aug 31 08:34:56.862 INFO kablam! warning: unused arithmetic operation which must be used
Aug 31 08:34:56.862 INFO kablam!     --> src/lib.rs:1070:46
Aug 31 08:34:56.862 INFO kablam!      |
Aug 31 08:34:56.862 INFO kablam! 1070 |             pool.execute(Thunk::of(move || { 1 + 1; }));
Aug 31 08:34:56.862 INFO kablam!      |                                              ^^^^^
Aug 31 08:34:56.862 INFO kablam!      |
Aug 31 08:34:56.862 INFO kablam!      = note: #[warn(unused_must_use)] on by default
Aug 31 08:34:56.862 INFO kablam! 
Aug 31 08:34:56.887 INFO kablam!     Finished dev [unoptimized + debuginfo] target(s) in 1.12s
Aug 31 08:34:56.889 INFO kablam! su: No module specific data is present
Aug 31 08:34:57.304 INFO running `"docker" "rm" "-f" "1040bbbefbe48c66ef9cb477f112166a12f8568431cdc86771c30a1fcaee1d75"`
Aug 31 08:34:57.395 INFO blam! 1040bbbefbe48c66ef9cb477f112166a12f8568431cdc86771c30a1fcaee1d75