Sep 19 22:39:56.944 INFO checking luther-0.1.0 against try#fcacde07b66fe513e52c41b73aef91bcc121905b for pr-54346
Sep 19 22:39:56.944 INFO running: cargo +fcacde07b66fe513e52c41b73aef91bcc121905b-alt check --frozen --all --all-targets
Sep 19 22:39:56.944 INFO running `"docker" "create" "-v" "/home/ec2-user/crater/./work/local/test-source/worker-4/pr-54346/try#fcacde07b66fe513e52c41b73aef91bcc121905b:/source:ro,Z" "-v" "/home/ec2-user/crater/./work/local/target-dirs/pr-54346/worker-4/try#fcacde07b66fe513e52c41b73aef91bcc121905b:/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 +fcacde07b66fe513e52c41b73aef91bcc121905b-alt check --frozen --all --all-targets" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-m" "1536M" "crater"`
Sep 19 22:39:57.358 INFO blam! e540250b9c3562073d9f70f8dada1d7667ddcb773fbe7338e72a907d5d3d001c
Sep 19 22:39:57.360 INFO running `"docker" "start" "-a" "e540250b9c3562073d9f70f8dada1d7667ddcb773fbe7338e72a907d5d3d001c"`
Sep 19 22:40:00.146 INFO kablam! usermod: no changes
Sep 19 22:40:00.278 INFO kablam!     Checking luther v0.1.0 (/source)
Sep 19 22:40:02.747 INFO kablam! warning: unused arithmetic operation which must be used
Sep 19 22:40:02.748 INFO kablam!    --> src/span.rs:132:9
Sep 19 22:40:02.748 INFO kablam!     |
Sep 19 22:40:02.748 INFO kablam! 132 |         Location::new(usize::max_value()) + 3;
Sep 19 22:40:02.749 INFO kablam!     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Sep 19 22:40:02.749 INFO kablam!     |
Sep 19 22:40:02.750 INFO kablam!     = note: #[warn(unused_must_use)] on by default
Sep 19 22:40:02.750 INFO kablam! 
Sep 19 22:40:02.851 INFO kablam!     Finished dev [unoptimized + debuginfo] target(s) in 2.68s
Sep 19 22:40:02.863 INFO kablam! su: No module specific data is present
Sep 19 22:40:04.724 INFO running `"docker" "rm" "-f" "e540250b9c3562073d9f70f8dada1d7667ddcb773fbe7338e72a907d5d3d001c"`
Sep 19 22:40:05.082 INFO blam! e540250b9c3562073d9f70f8dada1d7667ddcb773fbe7338e72a907d5d3d001c