Sep 04 09:15:06.688 INFO checking ogg_vorbis_ref-0.0.1 against master#28bcffead74d5e17c6cb1f7de432e37f93a6b50c for pr-53893
Sep 04 09:15:06.688 INFO running: cargo +28bcffead74d5e17c6cb1f7de432e37f93a6b50c-alt check --frozen --all --all-targets
Sep 04 09:15:06.688 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 09:15:06.878 INFO blam! c49d3d703a494bd10bb6a29d6f20257f52c9b0d896163c7a2c8254c41c5e93e9
Sep 04 09:15:06.880 INFO running `"docker" "start" "-a" "c49d3d703a494bd10bb6a29d6f20257f52c9b0d896163c7a2c8254c41c5e93e9"`
Sep 04 09:15:07.675 INFO kablam!    Compiling ogg-sys v0.0.9
Sep 04 09:15:07.676 INFO kablam!    Compiling vorbis-sys v0.0.8
Sep 04 09:15:12.244 INFO kablam!     Checking ogg_vorbis_ref v0.0.1 (file:///source)
Sep 04 09:15:12.741 INFO kablam! warning: variable does not need to be mutable
Sep 04 09:15:12.741 INFO kablam!   --> src/lib.rs:62:17
Sep 04 09:15:12.741 INFO kablam!    |
Sep 04 09:15:12.741 INFO kablam! 62 |             let mut stream = self.stream.as_mut().unwrap();
Sep 04 09:15:12.741 INFO kablam!    |                 ----^^^^^^
Sep 04 09:15:12.741 INFO kablam!    |                 |
Sep 04 09:15:12.741 INFO kablam!    |                 help: remove this `mut`
Sep 04 09:15:12.741 INFO kablam!    |
Sep 04 09:15:12.742 INFO kablam!    = note: #[warn(unused_mut)] on by default
Sep 04 09:15:12.742 INFO kablam! 
Sep 04 09:15:12.750 INFO kablam! warning: variable does not need to be mutable
Sep 04 09:15:12.750 INFO kablam!    --> src/lib.rs:177:13
Sep 04 09:15:12.750 INFO kablam!     |
Sep 04 09:15:12.750 INFO kablam! 177 |         let mut synth = self.synth.as_mut().unwrap();
Sep 04 09:15:12.750 INFO kablam!     |             ----^^^^^
Sep 04 09:15:12.751 INFO kablam!     |             |
Sep 04 09:15:12.751 INFO kablam!     |             help: remove this `mut`
Sep 04 09:15:12.751 INFO kablam! 
Sep 04 09:15:12.819 INFO kablam! warning: variable does not need to be mutable
Sep 04 09:15:12.819 INFO kablam!   --> src/lib.rs:62:17
Sep 04 09:15:12.819 INFO kablam!    |
Sep 04 09:15:12.819 INFO kablam! 62 |             let mut stream = self.stream.as_mut().unwrap();
Sep 04 09:15:12.819 INFO kablam!    |                 ----^^^^^^
Sep 04 09:15:12.819 INFO kablam!    |                 |
Sep 04 09:15:12.819 INFO kablam!    |                 help: remove this `mut`
Sep 04 09:15:12.819 INFO kablam!    |
Sep 04 09:15:12.819 INFO kablam!    = note: #[warn(unused_mut)] on by default
Sep 04 09:15:12.819 INFO kablam! 
Sep 04 09:15:12.828 INFO kablam! warning: variable does not need to be mutable
Sep 04 09:15:12.828 INFO kablam!    --> src/lib.rs:177:13
Sep 04 09:15:12.828 INFO kablam!     |
Sep 04 09:15:12.828 INFO kablam! 177 |         let mut synth = self.synth.as_mut().unwrap();
Sep 04 09:15:12.828 INFO kablam!     |             ----^^^^^
Sep 04 09:15:12.828 INFO kablam!     |             |
Sep 04 09:15:12.828 INFO kablam!     |             help: remove this `mut`
Sep 04 09:15:12.828 INFO kablam! 
Sep 04 09:15:12.854 INFO kablam!     Finished dev [unoptimized + debuginfo] target(s) in 5.20s
Sep 04 09:15:12.857 INFO kablam! su: No module specific data is present
Sep 04 09:15:13.220 INFO running `"docker" "rm" "-f" "c49d3d703a494bd10bb6a29d6f20257f52c9b0d896163c7a2c8254c41c5e93e9"`
Sep 04 09:15:13.347 INFO blam! c49d3d703a494bd10bb6a29d6f20257f52c9b0d896163c7a2c8254c41c5e93e9