Sep 04 11:35:35.362 INFO checking luther-0.1.0 against master#28bcffead74d5e17c6cb1f7de432e37f93a6b50c for pr-53893
Sep 04 11:35:35.362 INFO running: cargo +28bcffead74d5e17c6cb1f7de432e37f93a6b50c-alt check --frozen --all --all-targets
Sep 04 11:35:35.363 INFO running `"docker" "create" "-v" "/home/ec2-user/crater/./work/local/test-source/worker-3/pr-53893/master#28bcffead74d5e17c6cb1f7de432e37f93a6b50c:/source:ro,Z" "-v" "/home/ec2-user/crater/./work/local/target-dirs/pr-53893/worker-3/master#28bcffead74d5e17c6cb1f7de432e37f93a6b50c:/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 +28bcffead74d5e17c6cb1f7de432e37f93a6b50c-alt check --frozen --all --all-targets" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-m" "2G" "crater"`
Sep 04 11:35:35.602 INFO blam! fe430c9d3c43b93d275e7002e0254571a27139c3a31225e1bad2c55fc57675a1
Sep 04 11:35:35.604 INFO running `"docker" "start" "-a" "fe430c9d3c43b93d275e7002e0254571a27139c3a31225e1bad2c55fc57675a1"`
Sep 04 11:35:36.666 INFO kablam!     Checking luther v0.1.0 (file:///source)
Sep 04 11:35:40.048 INFO kablam! warning: unused arithmetic operation which must be used
Sep 04 11:35:40.048 INFO kablam!    --> src/span.rs:132:9
Sep 04 11:35:40.048 INFO kablam!     |
Sep 04 11:35:40.048 INFO kablam! 132 |         Location::new(usize::max_value()) + 3;
Sep 04 11:35:40.048 INFO kablam!     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Sep 04 11:35:40.048 INFO kablam!     |
Sep 04 11:35:40.048 INFO kablam!     = note: #[warn(unused_must_use)] on by default
Sep 04 11:35:40.049 INFO kablam! 
Sep 04 11:35:40.120 INFO kablam!     Finished dev [unoptimized + debuginfo] target(s) in 3.62s
Sep 04 11:35:40.127 INFO kablam! su: No module specific data is present
Sep 04 11:35:40.785 INFO running `"docker" "rm" "-f" "fe430c9d3c43b93d275e7002e0254571a27139c3a31225e1bad2c55fc57675a1"`
Sep 04 11:35:40.936 INFO blam! fe430c9d3c43b93d275e7002e0254571a27139c3a31225e1bad2c55fc57675a1