Sep 20 00:29:22.889 INFO checking luther-0.1.0 against master#1e21c9a297a9fe668d62887a3a6a4add8e717b17 for pr-54352
Sep 20 00:29:22.889 INFO running: cargo +1e21c9a297a9fe668d62887a3a6a4add8e717b17-alt check --frozen --all --all-targets
Sep 20 00:29:22.889 INFO running `"docker" "create" "-v" "/home/ec2-user/crater/./work/local/test-source/worker-0/pr-54352/master#1e21c9a297a9fe668d62887a3a6a4add8e717b17:/source:ro,Z" "-v" "/home/ec2-user/crater/./work/local/target-dirs/pr-54352/worker-0/master#1e21c9a297a9fe668d62887a3a6a4add8e717b17:/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=1000" "-e" "CMD=cargo +1e21c9a297a9fe668d62887a3a6a4add8e717b17-alt check --frozen --all --all-targets" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-m" "1536M" "crater"`
Sep 20 00:29:23.122 INFO blam! f9a798c7b3f12de379dd7479a67a1520082d7f2e8570bfe57850478d72063d25
Sep 20 00:29:23.124 INFO running `"docker" "start" "-a" "f9a798c7b3f12de379dd7479a67a1520082d7f2e8570bfe57850478d72063d25"`
Sep 20 00:29:24.828 INFO kablam! usermod: no changes
Sep 20 00:29:25.016 INFO kablam!     Checking luther v0.1.0 (/source)
Sep 20 00:29:27.539 INFO kablam! warning: unused arithmetic operation which must be used
Sep 20 00:29:27.539 INFO kablam!    --> src/span.rs:132:9
Sep 20 00:29:27.539 INFO kablam!     |
Sep 20 00:29:27.539 INFO kablam! 132 |         Location::new(usize::max_value()) + 3;
Sep 20 00:29:27.539 INFO kablam!     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Sep 20 00:29:27.539 INFO kablam!     |
Sep 20 00:29:27.539 INFO kablam!     = note: #[warn(unused_must_use)] on by default
Sep 20 00:29:27.539 INFO kablam! 
Sep 20 00:29:27.606 INFO kablam!     Finished dev [unoptimized + debuginfo] target(s) in 2.75s
Sep 20 00:29:27.614 INFO kablam! su: No module specific data is present
Sep 20 00:29:28.832 INFO running `"docker" "rm" "-f" "f9a798c7b3f12de379dd7479a67a1520082d7f2e8570bfe57850478d72063d25"`
Sep 20 00:29:29.035 INFO blam! f9a798c7b3f12de379dd7479a67a1520082d7f2e8570bfe57850478d72063d25