Sep 01 09:03:17.605 INFO checking router-0.5.1 against try#aa245a5862056b681d2ccdb178f58891108cd3a6 for pr-53831
Sep 01 09:03:17.605 INFO running: cargo +aa245a5862056b681d2ccdb178f58891108cd3a6-alt check --frozen --all --all-targets
Sep 01 09:03:17.605 INFO running `"docker" "create" "-v" "/home/ec2-user/crater/./work/local/test-source/worker-2/pr-53831/try#aa245a5862056b681d2ccdb178f58891108cd3a6:/source:ro,Z" "-v" "/home/ec2-user/crater/./work/local/target-dirs/pr-53831/worker-2/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 09:03:17.764 INFO blam! da79aabb2bbc13091fd145bcd6992e5e01b75be5084148813150565d5db95f32
Sep 01 09:03:17.764 INFO running `"docker" "start" "-a" "da79aabb2bbc13091fd145bcd6992e5e01b75be5084148813150565d5db95f32"`
Sep 01 09:03:18.457 INFO kablam!     Checking router v0.5.1 (file:///source)
Sep 01 09:03:20.347 INFO kablam! warning: variable does not need to be mutable
Sep 01 09:03:20.347 INFO kablam!   --> src/router.rs:84:13
Sep 01 09:03:20.347 INFO kablam!    |
Sep 01 09:03:20.347 INFO kablam! 84 |         let mut mut_inner = self.mut_inner();
Sep 01 09:03:20.347 INFO kablam!    |             ----^^^^^^^^^
Sep 01 09:03:20.347 INFO kablam!    |             |
Sep 01 09:03:20.347 INFO kablam!    |             help: remove this `mut`
Sep 01 09:03:20.348 INFO kablam!    |
Sep 01 09:03:20.348 INFO kablam!    = note: #[warn(unused_mut)] on by default
Sep 01 09:03:20.348 INFO kablam! 
Sep 01 09:03:20.768 INFO kablam! error: variable does not need to be mutable
Sep 01 09:03:20.768 INFO kablam!   --> src/router.rs:84:13
Sep 01 09:03:20.768 INFO kablam!    |
Sep 01 09:03:20.769 INFO kablam! 84 |         let mut mut_inner = self.mut_inner();
Sep 01 09:03:20.769 INFO kablam!    |             ----^^^^^^^^^
Sep 01 09:03:20.769 INFO kablam!    |             |
Sep 01 09:03:20.769 INFO kablam!    |             help: remove this `mut`
Sep 01 09:03:20.769 INFO kablam!    |
Sep 01 09:03:20.769 INFO kablam! note: lint level defined here
Sep 01 09:03:20.769 INFO kablam!   --> src/lib.rs:2:24
Sep 01 09:03:20.769 INFO kablam!    |
Sep 01 09:03:20.769 INFO kablam! 2  | #![cfg_attr(test, deny(warnings))]
Sep 01 09:03:20.769 INFO kablam!    |                        ^^^^^^^^
Sep 01 09:03:20.769 INFO kablam!    = note: #[deny(unused_mut)] implied by #[deny(warnings)]
Sep 01 09:03:20.769 INFO kablam! 
Sep 01 09:03:20.813 INFO kablam! error: aborting due to previous error
Sep 01 09:03:20.814 INFO kablam! 
Sep 01 09:03:20.825 INFO kablam! error: Could not compile `router`.
Sep 01 09:03:20.825 INFO kablam! warning: build failed, waiting for other jobs to finish...
Sep 01 09:03:23.940 INFO kablam! error: build failed
Sep 01 09:03:23.941 INFO kablam! su: No module specific data is present
Sep 01 09:03:24.434 INFO running `"docker" "rm" "-f" "da79aabb2bbc13091fd145bcd6992e5e01b75be5084148813150565d5db95f32"`
Sep 01 09:03:24.530 INFO blam! da79aabb2bbc13091fd145bcd6992e5e01b75be5084148813150565d5db95f32