Sep 06 03:01:44.210 INFO checking ogg_vorbis_ref-0.0.1 against try#51ff957df5095d92d1d3d4682207ee8b7ad408a8 for pr-53854
Sep 06 03:01:44.210 INFO running: cargo +51ff957df5095d92d1d3d4682207ee8b7ad408a8-alt check --frozen --all --all-targets
Sep 06 03:01:44.210 INFO running `"docker" "create" "-v" "/home/ec2-user/crater/./work/local/test-source/worker-4/pr-53854/try#51ff957df5095d92d1d3d4682207ee8b7ad408a8:/source:ro,Z" "-v" "/home/ec2-user/crater/./work/local/target-dirs/pr-53854/worker-4/try#51ff957df5095d92d1d3d4682207ee8b7ad408a8:/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 +51ff957df5095d92d1d3d4682207ee8b7ad408a8-alt check --frozen --all --all-targets" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-m" "2G" "crater"`
Sep 06 03:01:44.375 INFO blam! df771d0b2766ad8b270edbd3d24b265e4a9715cda7e8445db522a466ac6bdb8c
Sep 06 03:01:44.377 INFO running `"docker" "start" "-a" "df771d0b2766ad8b270edbd3d24b265e4a9715cda7e8445db522a466ac6bdb8c"`
Sep 06 03:01:45.165 INFO kablam! usermod: no changes
Sep 06 03:01:45.215 INFO kablam!     Checking ogg_vorbis_ref v0.0.1 (file:///source)
Sep 06 03:01:45.513 INFO kablam! warning: variable does not need to be mutable
Sep 06 03:01:45.513 INFO kablam!   --> src/lib.rs:62:17
Sep 06 03:01:45.513 INFO kablam!    |
Sep 06 03:01:45.513 INFO kablam! 62 |             let mut stream = self.stream.as_mut().unwrap();
Sep 06 03:01:45.513 INFO kablam!    |                 ----^^^^^^
Sep 06 03:01:45.513 INFO kablam!    |                 |
Sep 06 03:01:45.513 INFO kablam!    |                 help: remove this `mut`
Sep 06 03:01:45.513 INFO kablam!    |
Sep 06 03:01:45.513 INFO kablam!    = note: #[warn(unused_mut)] on by default
Sep 06 03:01:45.513 INFO kablam! 
Sep 06 03:01:45.519 INFO kablam! warning: variable does not need to be mutable
Sep 06 03:01:45.519 INFO kablam!    --> src/lib.rs:177:13
Sep 06 03:01:45.519 INFO kablam!     |
Sep 06 03:01:45.519 INFO kablam! 177 |         let mut synth = self.synth.as_mut().unwrap();
Sep 06 03:01:45.519 INFO kablam!     |             ----^^^^^
Sep 06 03:01:45.519 INFO kablam!     |             |
Sep 06 03:01:45.519 INFO kablam!     |             help: remove this `mut`
Sep 06 03:01:45.519 INFO kablam! 
Sep 06 03:01:45.560 INFO kablam! warning: variable does not need to be mutable
Sep 06 03:01:45.560 INFO kablam!   --> src/lib.rs:62:17
Sep 06 03:01:45.560 INFO kablam!    |
Sep 06 03:01:45.560 INFO kablam! 62 |             let mut stream = self.stream.as_mut().unwrap();
Sep 06 03:01:45.560 INFO kablam!    |                 ----^^^^^^
Sep 06 03:01:45.560 INFO kablam!    |                 |
Sep 06 03:01:45.560 INFO kablam!    |                 help: remove this `mut`
Sep 06 03:01:45.560 INFO kablam!    |
Sep 06 03:01:45.560 INFO kablam!    = note: #[warn(unused_mut)] on by default
Sep 06 03:01:45.560 INFO kablam! 
Sep 06 03:01:45.566 INFO kablam! warning: variable does not need to be mutable
Sep 06 03:01:45.566 INFO kablam!    --> src/lib.rs:177:13
Sep 06 03:01:45.566 INFO kablam!     |
Sep 06 03:01:45.566 INFO kablam! 177 |         let mut synth = self.synth.as_mut().unwrap();
Sep 06 03:01:45.566 INFO kablam!     |             ----^^^^^
Sep 06 03:01:45.566 INFO kablam!     |             |
Sep 06 03:01:45.566 INFO kablam!     |             help: remove this `mut`
Sep 06 03:01:45.566 INFO kablam! 
Sep 06 03:01:45.598 INFO kablam!     Finished dev [unoptimized + debuginfo] target(s) in 0.41s
Sep 06 03:01:45.601 INFO kablam! su: No module specific data is present
Sep 06 03:01:46.104 INFO running `"docker" "rm" "-f" "df771d0b2766ad8b270edbd3d24b265e4a9715cda7e8445db522a466ac6bdb8c"`
Sep 06 03:01:46.174 INFO blam! df771d0b2766ad8b270edbd3d24b265e4a9715cda7e8445db522a466ac6bdb8c