Sep 04 12:01:50.310 INFO checking optional_struct-0.2.0 against master#2687112ea6a8701cbf36e6dd4d77d64694cf93d8 for pr-53913
Sep 04 12:01:50.310 INFO running: cargo +2687112ea6a8701cbf36e6dd4d77d64694cf93d8-alt check --frozen --all --all-targets
Sep 04 12:01:50.310 INFO running `"docker" "create" "-v" "/home/ec2-user/crater/./work/local/test-source/worker-2/pr-53913/master#2687112ea6a8701cbf36e6dd4d77d64694cf93d8:/source:ro,Z" "-v" "/home/ec2-user/crater/./work/local/target-dirs/pr-53913/worker-2/master#2687112ea6a8701cbf36e6dd4d77d64694cf93d8:/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 +2687112ea6a8701cbf36e6dd4d77d64694cf93d8-alt check --frozen --all --all-targets" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-m" "2G" "crater"`
Sep 04 12:01:50.521 INFO blam! 1c763b4af9fffafbd64034955e4ffc0ebafd2a254af3a53dd1da1d4bd649444d
Sep 04 12:01:50.523 INFO running `"docker" "start" "-a" "1c763b4af9fffafbd64034955e4ffc0ebafd2a254af3a53dd1da1d4bd649444d"`
Sep 04 12:01:51.291 INFO kablam!    Compiling optional_struct v0.2.0 (file:///source)
Sep 04 12:01:56.782 INFO kablam! warning: struct is never constructed: `Config`
Sep 04 12:01:56.782 INFO kablam!  --> tests/empty.rs:5:1
Sep 04 12:01:56.782 INFO kablam!   |
Sep 04 12:01:56.782 INFO kablam! 5 | struct Config {
Sep 04 12:01:56.782 INFO kablam!   | ^^^^^^^^^^^^^
Sep 04 12:01:56.782 INFO kablam!   |
Sep 04 12:01:56.782 INFO kablam!   = note: #[warn(dead_code)] on by default
Sep 04 12:01:56.783 INFO kablam! 
Sep 04 12:01:56.963 INFO kablam!     Finished dev [unoptimized + debuginfo] target(s) in 5.70s
Sep 04 12:01:56.967 INFO kablam! su: No module specific data is present
Sep 04 12:01:57.569 INFO running `"docker" "rm" "-f" "1c763b4af9fffafbd64034955e4ffc0ebafd2a254af3a53dd1da1d4bd649444d"`
Sep 04 12:01:57.648 INFO blam! 1c763b4af9fffafbd64034955e4ffc0ebafd2a254af3a53dd1da1d4bd649444d