Aug 31 22:08:20.074 INFO checking luther-0.1.0 against try#a5b9f2cc0cdaca8edf23a89c649279de2c91cd3b for pr-53578
Aug 31 22:08:20.074 INFO running: cargo +a5b9f2cc0cdaca8edf23a89c649279de2c91cd3b-alt check --frozen --all --all-targets
Aug 31 22:08:20.074 INFO running `"docker" "create" "-v" "/home/ec2-user/crater/./work/local/test-source/worker-3/pr-53578/try#a5b9f2cc0cdaca8edf23a89c649279de2c91cd3b:/source:ro,Z" "-v" "/home/ec2-user/crater/./work/local/target-dirs/pr-53578/worker-3/try#a5b9f2cc0cdaca8edf23a89c649279de2c91cd3b:/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 +a5b9f2cc0cdaca8edf23a89c649279de2c91cd3b-alt check --frozen --all --all-targets" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-m" "2G" "crater"`
Aug 31 22:08:20.324 INFO blam! 6c47e654411847157b78eaa665babfc95108604da7422391de85f8885586244a
Aug 31 22:08:20.326 INFO running `"docker" "start" "-a" "6c47e654411847157b78eaa665babfc95108604da7422391de85f8885586244a"`
Aug 31 22:08:21.315 INFO kablam!     Checking luther v0.1.0 (file:///source)
Aug 31 22:08:24.892 INFO kablam! warning: unused arithmetic operation which must be used
Aug 31 22:08:24.892 INFO kablam!    --> src/span.rs:132:9
Aug 31 22:08:24.892 INFO kablam!     |
Aug 31 22:08:24.892 INFO kablam! 132 |         Location::new(usize::max_value()) + 3;
Aug 31 22:08:24.892 INFO kablam!     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Aug 31 22:08:24.892 INFO kablam!     |
Aug 31 22:08:24.892 INFO kablam!     = note: #[warn(unused_must_use)] on by default
Aug 31 22:08:24.892 INFO kablam! 
Aug 31 22:08:24.960 INFO kablam!     Finished dev [unoptimized + debuginfo] target(s) in 3.78s
Aug 31 22:08:24.968 INFO kablam! su: No module specific data is present
Aug 31 22:08:25.633 INFO running `"docker" "rm" "-f" "6c47e654411847157b78eaa665babfc95108604da7422391de85f8885586244a"`
Aug 31 22:08:25.792 INFO blam! 6c47e654411847157b78eaa665babfc95108604da7422391de85f8885586244a