Sep 02 05:39:01.606 INFO checking optional_struct-0.2.0 against master#1114ab684fbad001c4e580326d8eb4d8c4e917d3 for pr-53851
Sep 02 05:39:01.606 INFO running: cargo +1114ab684fbad001c4e580326d8eb4d8c4e917d3-alt check --frozen --all --all-targets
Sep 02 05:39:01.606 INFO running `"docker" "create" "-v" "/home/ec2-user/crater/./work/local/test-source/worker-0/pr-53851/master#1114ab684fbad001c4e580326d8eb4d8c4e917d3:/source:ro,Z" "-v" "/home/ec2-user/crater/./work/local/target-dirs/pr-53851/worker-0/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 05:39:01.757 INFO blam! 5df05911171f5914ab5f25dac2dd581e77bd9ad432375dc19acb13af7e4c575a
Sep 02 05:39:01.759 INFO running `"docker" "start" "-a" "5df05911171f5914ab5f25dac2dd581e77bd9ad432375dc19acb13af7e4c575a"`
Sep 02 05:39:02.458 INFO kablam!    Compiling optional_struct v0.2.0 (file:///source)
Sep 02 05:39:08.643 INFO kablam! warning: struct is never constructed: `Config`
Sep 02 05:39:08.643 INFO kablam!  --> tests/empty.rs:5:1
Sep 02 05:39:08.643 INFO kablam!   |
Sep 02 05:39:08.643 INFO kablam! 5 | struct Config {
Sep 02 05:39:08.643 INFO kablam!   | ^^^^^^^^^^^^^
Sep 02 05:39:08.643 INFO kablam!   |
Sep 02 05:39:08.643 INFO kablam!   = note: #[warn(dead_code)] on by default
Sep 02 05:39:08.643 INFO kablam! 
Sep 02 05:39:08.927 INFO kablam!     Finished dev [unoptimized + debuginfo] target(s) in 6.50s
Sep 02 05:39:08.933 INFO kablam! su: No module specific data is present
Sep 02 05:39:09.422 INFO running `"docker" "rm" "-f" "5df05911171f5914ab5f25dac2dd581e77bd9ad432375dc19acb13af7e4c575a"`
Sep 02 05:39:09.551 INFO blam! 5df05911171f5914ab5f25dac2dd581e77bd9ad432375dc19acb13af7e4c575a