Sep 06 01:16:17.875 INFO checking router-0.5.1 against master#1c2e17f4e3a2070a7f703f51e29c1c388ef703b6 for pr-53854
Sep 06 01:16:17.875 INFO running: cargo +1c2e17f4e3a2070a7f703f51e29c1c388ef703b6-alt check --frozen --all --all-targets
Sep 06 01:16:17.876 INFO running `"docker" "create" "-v" "/home/ec2-user/crater/./work/local/test-source/worker-7/pr-53854/master#1c2e17f4e3a2070a7f703f51e29c1c388ef703b6:/source:ro,Z" "-v" "/home/ec2-user/crater/./work/local/target-dirs/pr-53854/worker-7/master#1c2e17f4e3a2070a7f703f51e29c1c388ef703b6:/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 +1c2e17f4e3a2070a7f703f51e29c1c388ef703b6-alt check --frozen --all --all-targets" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-m" "2G" "crater"`
Sep 06 01:16:18.085 INFO blam! c3ad21c1c71ce2e0dd3ff55be42d69c79dc057751fdea714fddbc62f07dd7dd0
Sep 06 01:16:18.087 INFO running `"docker" "start" "-a" "c3ad21c1c71ce2e0dd3ff55be42d69c79dc057751fdea714fddbc62f07dd7dd0"`
Sep 06 01:16:18.978 INFO kablam! usermod: no changes
Sep 06 01:16:19.098 INFO kablam!     Checking iron v0.5.1
Sep 06 01:16:20.030 INFO kablam!     Checking router v0.5.1 (file:///source)
Sep 06 01:16:21.086 INFO kablam! warning: variable does not need to be mutable
Sep 06 01:16:21.086 INFO kablam!   --> src/router.rs:84:13
Sep 06 01:16:21.086 INFO kablam!    |
Sep 06 01:16:21.086 INFO kablam! 84 |         let mut mut_inner = self.mut_inner();
Sep 06 01:16:21.086 INFO kablam!    |             ----^^^^^^^^^
Sep 06 01:16:21.086 INFO kablam!    |             |
Sep 06 01:16:21.086 INFO kablam!    |             help: remove this `mut`
Sep 06 01:16:21.086 INFO kablam!    |
Sep 06 01:16:21.086 INFO kablam!    = note: #[warn(unused_mut)] on by default
Sep 06 01:16:21.086 INFO kablam! 
Sep 06 01:16:21.345 INFO kablam! error: variable does not need to be mutable
Sep 06 01:16:21.345 INFO kablam!   --> src/router.rs:84:13
Sep 06 01:16:21.345 INFO kablam!    |
Sep 06 01:16:21.345 INFO kablam! 84 |         let mut mut_inner = self.mut_inner();
Sep 06 01:16:21.345 INFO kablam!    |             ----^^^^^^^^^
Sep 06 01:16:21.345 INFO kablam!    |             |
Sep 06 01:16:21.345 INFO kablam!    |             help: remove this `mut`
Sep 06 01:16:21.349 INFO kablam!    |
Sep 06 01:16:21.354 INFO kablam! note: lint level defined here
Sep 06 01:16:21.354 INFO kablam!   --> src/lib.rs:2:24
Sep 06 01:16:21.354 INFO kablam!    |
Sep 06 01:16:21.354 INFO kablam! 2  | #![cfg_attr(test, deny(warnings))]
Sep 06 01:16:21.354 INFO kablam!    |                        ^^^^^^^^
Sep 06 01:16:21.354 INFO kablam!    = note: #[deny(unused_mut)] implied by #[deny(warnings)]
Sep 06 01:16:21.354 INFO kablam! 
Sep 06 01:16:21.382 INFO kablam! error: aborting due to previous error
Sep 06 01:16:21.410 INFO kablam! 
Sep 06 01:16:21.447 INFO kablam! error: Could not compile `router`.
Sep 06 01:16:21.447 INFO kablam! warning: build failed, waiting for other jobs to finish...
Sep 06 01:16:22.913 INFO kablam! error: build failed
Sep 06 01:16:22.914 INFO kablam! su: No module specific data is present
Sep 06 01:16:23.676 INFO running `"docker" "rm" "-f" "c3ad21c1c71ce2e0dd3ff55be42d69c79dc057751fdea714fddbc62f07dd7dd0"`
Sep 06 01:16:23.768 INFO blam! c3ad21c1c71ce2e0dd3ff55be42d69c79dc057751fdea714fddbc62f07dd7dd0