Sep 04 05:46:58.862 INFO checking router-0.5.1 against master#28bcffead74d5e17c6cb1f7de432e37f93a6b50c for pr-53893
Sep 04 05:46:58.862 INFO running: cargo +28bcffead74d5e17c6cb1f7de432e37f93a6b50c-alt check --frozen --all --all-targets
Sep 04 05:46:58.862 INFO running `"docker" "create" "-v" "/home/ec2-user/crater/./work/local/test-source/worker-3/pr-53893/master#28bcffead74d5e17c6cb1f7de432e37f93a6b50c:/source:ro,Z" "-v" "/home/ec2-user/crater/./work/local/target-dirs/pr-53893/worker-3/master#28bcffead74d5e17c6cb1f7de432e37f93a6b50c:/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 +28bcffead74d5e17c6cb1f7de432e37f93a6b50c-alt check --frozen --all --all-targets" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-m" "2G" "crater"`
Sep 04 05:46:59.066 INFO blam! 05c37a939be53fa2c999bc2dd8495c9366f8f277d2e3b628417b6d343214f159
Sep 04 05:46:59.068 INFO running `"docker" "start" "-a" "05c37a939be53fa2c999bc2dd8495c9366f8f277d2e3b628417b6d343214f159"`
Sep 04 05:46:59.897 INFO kablam!     Checking router v0.5.1 (file:///source)
Sep 04 05:47:02.011 INFO kablam! warning: variable does not need to be mutable
Sep 04 05:47:02.011 INFO kablam!   --> src/router.rs:84:13
Sep 04 05:47:02.011 INFO kablam!    |
Sep 04 05:47:02.011 INFO kablam! 84 |         let mut mut_inner = self.mut_inner();
Sep 04 05:47:02.011 INFO kablam!    |             ----^^^^^^^^^
Sep 04 05:47:02.011 INFO kablam!    |             |
Sep 04 05:47:02.011 INFO kablam!    |             help: remove this `mut`
Sep 04 05:47:02.011 INFO kablam!    |
Sep 04 05:47:02.011 INFO kablam!    = note: #[warn(unused_mut)] on by default
Sep 04 05:47:02.011 INFO kablam! 
Sep 04 05:47:02.222 INFO kablam! error: variable does not need to be mutable
Sep 04 05:47:02.222 INFO kablam!   --> src/router.rs:84:13
Sep 04 05:47:02.223 INFO kablam!    |
Sep 04 05:47:02.223 INFO kablam! 84 |         let mut mut_inner = self.mut_inner();
Sep 04 05:47:02.223 INFO kablam!    |             ----^^^^^^^^^
Sep 04 05:47:02.223 INFO kablam!    |             |
Sep 04 05:47:02.223 INFO kablam!    |             help: remove this `mut`
Sep 04 05:47:02.223 INFO kablam!    |
Sep 04 05:47:02.223 INFO kablam! note: lint level defined here
Sep 04 05:47:02.223 INFO kablam!   --> src/lib.rs:2:24
Sep 04 05:47:02.223 INFO kablam!    |
Sep 04 05:47:02.223 INFO kablam! 2  | #![cfg_attr(test, deny(warnings))]
Sep 04 05:47:02.223 INFO kablam!    |                        ^^^^^^^^
Sep 04 05:47:02.223 INFO kablam!    = note: #[deny(unused_mut)] implied by #[deny(warnings)]
Sep 04 05:47:02.223 INFO kablam! 
Sep 04 05:47:02.280 INFO kablam! error: aborting due to previous error
Sep 04 05:47:02.280 INFO kablam! 
Sep 04 05:47:02.293 INFO kablam! error: Could not compile `router`.
Sep 04 05:47:02.293 INFO kablam! warning: build failed, waiting for other jobs to finish...
Sep 04 05:47:04.403 INFO kablam! error: build failed
Sep 04 05:47:04.405 INFO kablam! su: No module specific data is present
Sep 04 05:47:04.806 INFO running `"docker" "rm" "-f" "05c37a939be53fa2c999bc2dd8495c9366f8f277d2e3b628417b6d343214f159"`
Sep 04 05:47:04.935 INFO blam! 05c37a939be53fa2c999bc2dd8495c9366f8f277d2e3b628417b6d343214f159