Aug 30 11:49:25.971 INFO checking luther-0.1.0 against try#2d477f9981361618ac78253c28051a66b6cea125 for pr-53707
Aug 30 11:49:25.971 INFO running: cargo +2d477f9981361618ac78253c28051a66b6cea125-alt check --frozen --all --all-targets
Aug 30 11:49:25.972 INFO running `"docker" "create" "-v" "/home/ec2-user/crater/./work/local/test-source/worker-3/pr-53707/try#2d477f9981361618ac78253c28051a66b6cea125:/source:ro,Z" "-v" "/home/ec2-user/crater/./work/local/target-dirs/pr-53707/worker-3/try#2d477f9981361618ac78253c28051a66b6cea125:/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 +2d477f9981361618ac78253c28051a66b6cea125-alt check --frozen --all --all-targets" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-m" "2G" "crater"`
Aug 30 11:49:26.238 INFO blam! b10bcd98f6da3a9a942282ac62048605fb2274e9d3f397a080ac4d5aee53e5a8
Aug 30 11:49:26.240 INFO running `"docker" "start" "-a" "b10bcd98f6da3a9a942282ac62048605fb2274e9d3f397a080ac4d5aee53e5a8"`
Aug 30 11:49:27.245 INFO kablam!     Checking luther v0.1.0 (file:///source)
Aug 30 11:49:30.753 INFO kablam! warning: unused arithmetic operation which must be used
Aug 30 11:49:30.753 INFO kablam!    --> src/span.rs:132:9
Aug 30 11:49:30.754 INFO kablam!     |
Aug 30 11:49:30.754 INFO kablam! 132 |         Location::new(usize::max_value()) + 3;
Aug 30 11:49:30.754 INFO kablam!     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Aug 30 11:49:30.754 INFO kablam!     |
Aug 30 11:49:30.754 INFO kablam!     = note: #[warn(unused_must_use)] on by default
Aug 30 11:49:30.754 INFO kablam! 
Aug 30 11:49:30.820 INFO kablam!     Finished dev [unoptimized + debuginfo] target(s) in 3.71s
Aug 30 11:49:30.828 INFO kablam! su: No module specific data is present
Aug 30 11:49:31.568 INFO running `"docker" "rm" "-f" "b10bcd98f6da3a9a942282ac62048605fb2274e9d3f397a080ac4d5aee53e5a8"`
Aug 30 11:49:31.726 INFO blam! b10bcd98f6da3a9a942282ac62048605fb2274e9d3f397a080ac4d5aee53e5a8