Sep 02 02:34:06.330 INFO checking robin-derives-0.3.0 against master#1114ab684fbad001c4e580326d8eb4d8c4e917d3 for pr-53851
Sep 02 02:34:06.330 INFO running: cargo +1114ab684fbad001c4e580326d8eb4d8c4e917d3-alt check --frozen --all --all-targets
Sep 02 02:34:06.330 INFO running `"docker" "create" "-v" "/home/ec2-user/crater/./work/local/test-source/worker-1/pr-53851/master#1114ab684fbad001c4e580326d8eb4d8c4e917d3:/source:ro,Z" "-v" "/home/ec2-user/crater/./work/local/target-dirs/pr-53851/worker-1/master#1114ab684fbad001c4e580326d8eb4d8c4e917d3:/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 +1114ab684fbad001c4e580326d8eb4d8c4e917d3-alt check --frozen --all --all-targets" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-m" "2G" "crater"`
Sep 02 02:34:06.565 INFO blam! 8e48c0c8b9b75205160aadc26df3ed733a43d7799814750735ce694bfd983346
Sep 02 02:34:06.568 INFO running `"docker" "start" "-a" "8e48c0c8b9b75205160aadc26df3ed733a43d7799814750735ce694bfd983346"`
Sep 02 02:34:07.294 INFO kablam!     Checking robin-derives v0.3.0 (file:///source)
Sep 02 02:34:09.626 INFO kablam! warning: function is never used: `underscore`
Sep 02 02:34:09.626 INFO kablam!    --> src/jobs.rs:111:1
Sep 02 02:34:09.626 INFO kablam!     |
Sep 02 02:34:09.626 INFO kablam! 111 | fn underscore(s: &str) -> String {
Sep 02 02:34:09.626 INFO kablam!     | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Sep 02 02:34:09.626 INFO kablam!     |
Sep 02 02:34:09.626 INFO kablam!     = note: #[warn(dead_code)] on by default
Sep 02 02:34:09.627 INFO kablam! 
Sep 02 02:34:09.950 INFO kablam!     Finished dev [unoptimized + debuginfo] target(s) in 2.69s
Sep 02 02:34:09.952 INFO kablam! su: No module specific data is present
Sep 02 02:34:10.442 INFO running `"docker" "rm" "-f" "8e48c0c8b9b75205160aadc26df3ed733a43d7799814750735ce694bfd983346"`
Sep 02 02:34:10.588 INFO blam! 8e48c0c8b9b75205160aadc26df3ed733a43d7799814750735ce694bfd983346