Sep 01 12:25:26.677 INFO checking ogg_vorbis_ref-0.0.3 against try#aa245a5862056b681d2ccdb178f58891108cd3a6 for pr-53831
Sep 01 12:25:26.677 INFO running: cargo +aa245a5862056b681d2ccdb178f58891108cd3a6-alt check --frozen --all --all-targets
Sep 01 12:25:26.677 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 12:25:26.866 INFO blam! 3dd8db4e60a50d07c5c17b5102810c5cb115f16462f99459222bf0353fcf66d7
Sep 01 12:25:26.868 INFO running `"docker" "start" "-a" "3dd8db4e60a50d07c5c17b5102810c5cb115f16462f99459222bf0353fcf66d7"`
Sep 01 12:25:27.630 INFO kablam!     Checking ogg_vorbis_ref v0.0.3 (file:///source)
Sep 01 12:25:28.211 INFO kablam! warning: variable does not need to be mutable
Sep 01 12:25:28.212 INFO kablam!   --> src/lib.rs:62:17
Sep 01 12:25:28.212 INFO kablam!    |
Sep 01 12:25:28.212 INFO kablam! 62 |             let mut stream = self.stream.as_mut().unwrap();
Sep 01 12:25:28.212 INFO kablam!    |                 ----^^^^^^
Sep 01 12:25:28.212 INFO kablam!    |                 |
Sep 01 12:25:28.212 INFO kablam!    |                 help: remove this `mut`
Sep 01 12:25:28.212 INFO kablam!    |
Sep 01 12:25:28.212 INFO kablam!    = note: #[warn(unused_mut)] on by default
Sep 01 12:25:28.212 INFO kablam! 
Sep 01 12:25:28.224 INFO kablam! warning: variable does not need to be mutable
Sep 01 12:25:28.224 INFO kablam!    --> src/lib.rs:177:13
Sep 01 12:25:28.224 INFO kablam!     |
Sep 01 12:25:28.224 INFO kablam! 177 |         let mut synth = self.synth.as_mut().unwrap();
Sep 01 12:25:28.224 INFO kablam!     |             ----^^^^^
Sep 01 12:25:28.224 INFO kablam!     |             |
Sep 01 12:25:28.224 INFO kablam!     |             help: remove this `mut`
Sep 01 12:25:28.224 INFO kablam! 
Sep 01 12:25:28.243 INFO kablam! warning: variable does not need to be mutable
Sep 01 12:25:28.243 INFO kablam!   --> src/lib.rs:62:17
Sep 01 12:25:28.243 INFO kablam!    |
Sep 01 12:25:28.243 INFO kablam! 62 |             let mut stream = self.stream.as_mut().unwrap();
Sep 01 12:25:28.243 INFO kablam!    |                 ----^^^^^^
Sep 01 12:25:28.243 INFO kablam!    |                 |
Sep 01 12:25:28.243 INFO kablam!    |                 help: remove this `mut`
Sep 01 12:25:28.243 INFO kablam!    |
Sep 01 12:25:28.243 INFO kablam!    = note: #[warn(unused_mut)] on by default
Sep 01 12:25:28.243 INFO kablam! 
Sep 01 12:25:28.255 INFO kablam! warning: variable does not need to be mutable
Sep 01 12:25:28.255 INFO kablam!    --> src/lib.rs:177:13
Sep 01 12:25:28.255 INFO kablam!     |
Sep 01 12:25:28.255 INFO kablam! 177 |         let mut synth = self.synth.as_mut().unwrap();
Sep 01 12:25:28.255 INFO kablam!     |             ----^^^^^
Sep 01 12:25:28.255 INFO kablam!     |             |
Sep 01 12:25:28.255 INFO kablam!     |             help: remove this `mut`
Sep 01 12:25:28.255 INFO kablam! 
Sep 01 12:25:28.278 INFO kablam!     Finished dev [unoptimized + debuginfo] target(s) in 0.67s
Sep 01 12:25:28.280 INFO kablam! su: No module specific data is present
Sep 01 12:25:28.747 INFO running `"docker" "rm" "-f" "3dd8db4e60a50d07c5c17b5102810c5cb115f16462f99459222bf0353fcf66d7"`
Sep 01 12:25:28.846 INFO blam! 3dd8db4e60a50d07c5c17b5102810c5cb115f16462f99459222bf0353fcf66d7