Sep 04 11:35:29.816 INFO checking luther-0.1.0 against try#6b43b862fabb13a0ce2a5371ea1e77ee1674b7e0 for pr-53893
Sep 04 11:35:29.816 INFO running: cargo +6b43b862fabb13a0ce2a5371ea1e77ee1674b7e0-alt check --frozen --all --all-targets
Sep 04 11:35:29.816 INFO running `"docker" "create" "-v" "/home/ec2-user/crater/./work/local/test-source/worker-3/pr-53893/try#6b43b862fabb13a0ce2a5371ea1e77ee1674b7e0:/source:ro,Z" "-v" "/home/ec2-user/crater/./work/local/target-dirs/pr-53893/worker-3/try#6b43b862fabb13a0ce2a5371ea1e77ee1674b7e0:/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 +6b43b862fabb13a0ce2a5371ea1e77ee1674b7e0-alt check --frozen --all --all-targets" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-m" "2G" "crater"`
Sep 04 11:35:30.026 INFO blam! 7a52ea3ca0e4a5ebcd321c985233beb3b5062da670416e1e407521e4b467286c
Sep 04 11:35:30.028 INFO running `"docker" "start" "-a" "7a52ea3ca0e4a5ebcd321c985233beb3b5062da670416e1e407521e4b467286c"`
Sep 04 11:35:31.064 INFO kablam!     Checking luther v0.1.0 (file:///source)
Sep 04 11:35:34.591 INFO kablam! warning: unused arithmetic operation which must be used
Sep 04 11:35:34.591 INFO kablam!    --> src/span.rs:132:9
Sep 04 11:35:34.591 INFO kablam!     |
Sep 04 11:35:34.591 INFO kablam! 132 |         Location::new(usize::max_value()) + 3;
Sep 04 11:35:34.591 INFO kablam!     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Sep 04 11:35:34.591 INFO kablam!     |
Sep 04 11:35:34.591 INFO kablam!     = note: #[warn(unused_must_use)] on by default
Sep 04 11:35:34.591 INFO kablam! 
Sep 04 11:35:34.656 INFO kablam!     Finished dev [unoptimized + debuginfo] target(s) in 3.75s
Sep 04 11:35:34.669 INFO kablam! su: No module specific data is present
Sep 04 11:35:35.152 INFO running `"docker" "rm" "-f" "7a52ea3ca0e4a5ebcd321c985233beb3b5062da670416e1e407521e4b467286c"`
Sep 04 11:35:35.319 INFO blam! 7a52ea3ca0e4a5ebcd321c985233beb3b5062da670416e1e407521e4b467286c