Sep 01 14:41:29.848 INFO checking luther-0.1.0 against try#aa245a5862056b681d2ccdb178f58891108cd3a6 for pr-53831
Sep 01 14:41:29.848 INFO running: cargo +aa245a5862056b681d2ccdb178f58891108cd3a6-alt check --frozen --all --all-targets
Sep 01 14:41:29.848 INFO running `"docker" "create" "-v" "/home/ec2-user/crater/./work/local/test-source/worker-1/pr-53831/try#aa245a5862056b681d2ccdb178f58891108cd3a6:/source:ro,Z" "-v" "/home/ec2-user/crater/./work/local/target-dirs/pr-53831/worker-1/try#aa245a5862056b681d2ccdb178f58891108cd3a6:/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 +aa245a5862056b681d2ccdb178f58891108cd3a6-alt check --frozen --all --all-targets" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-m" "2G" "crater"`
Sep 01 14:41:30.069 INFO blam! c7caf32c0505773651775b9f77dec82e9a5de2584cdc0e2eeab71df16d0e6521
Sep 01 14:41:30.069 INFO running `"docker" "start" "-a" "c7caf32c0505773651775b9f77dec82e9a5de2584cdc0e2eeab71df16d0e6521"`
Sep 01 14:41:31.199 INFO kablam!     Checking luther v0.1.0 (file:///source)
Sep 01 14:41:34.850 INFO kablam! warning: unused arithmetic operation which must be used
Sep 01 14:41:34.850 INFO kablam!    --> src/span.rs:132:9
Sep 01 14:41:34.850 INFO kablam!     |
Sep 01 14:41:34.850 INFO kablam! 132 |         Location::new(usize::max_value()) + 3;
Sep 01 14:41:34.850 INFO kablam!     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Sep 01 14:41:34.850 INFO kablam!     |
Sep 01 14:41:34.850 INFO kablam!     = note: #[warn(unused_must_use)] on by default
Sep 01 14:41:34.850 INFO kablam! 
Sep 01 14:41:34.916 INFO kablam!     Finished dev [unoptimized + debuginfo] target(s) in 3.85s
Sep 01 14:41:34.931 INFO kablam! su: No module specific data is present
Sep 01 14:41:35.732 INFO running `"docker" "rm" "-f" "c7caf32c0505773651775b9f77dec82e9a5de2584cdc0e2eeab71df16d0e6521"`
Sep 01 14:41:35.887 INFO blam! c7caf32c0505773651775b9f77dec82e9a5de2584cdc0e2eeab71df16d0e6521