Sep 17 20:33:30.225 INFO checking ogg_vorbis_ref-0.0.1 against try#cfeeefe83c83bceb55d60d7e2be173db7597ed50 for pr-54033
Sep 17 20:33:30.225 INFO running: cargo +cfeeefe83c83bceb55d60d7e2be173db7597ed50-alt check --frozen --all --all-targets
Sep 17 20:33:30.225 INFO running `"docker" "create" "-v" "/home/ec2-user/crater/./work/local/test-source/worker-2/pr-54033/try#cfeeefe83c83bceb55d60d7e2be173db7597ed50:/source:ro,Z" "-v" "/home/ec2-user/crater/./work/local/target-dirs/pr-54033/worker-2/try#cfeeefe83c83bceb55d60d7e2be173db7597ed50:/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 +cfeeefe83c83bceb55d60d7e2be173db7597ed50-alt check --frozen --all --all-targets" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-m" "1536M" "crater"`
Sep 17 20:33:30.645 INFO blam! 0a64477d0b0d2eea62781d0698fef4484322e71cb1e95b5148b2c40a0b295f9e
Sep 17 20:33:30.648 INFO running `"docker" "start" "-a" "0a64477d0b0d2eea62781d0698fef4484322e71cb1e95b5148b2c40a0b295f9e"`
Sep 17 20:33:31.864 INFO kablam! usermod: no changes
Sep 17 20:33:31.925 INFO kablam!    Compiling ogg-sys v0.0.9
Sep 17 20:33:32.139 INFO kablam!    Compiling vorbis-sys v0.0.8
Sep 17 20:33:35.034 INFO kablam!     Checking ogg_vorbis_ref v0.0.1 (/source)
Sep 17 20:33:35.353 INFO kablam! warning: variable does not need to be mutable
Sep 17 20:33:35.353 INFO kablam!   --> src/lib.rs:62:17
Sep 17 20:33:35.353 INFO kablam!    |
Sep 17 20:33:35.353 INFO kablam! 62 |             let mut stream = self.stream.as_mut().unwrap();
Sep 17 20:33:35.353 INFO kablam!    |                 ----^^^^^^
Sep 17 20:33:35.353 INFO kablam!    |                 |
Sep 17 20:33:35.353 INFO kablam!    |                 help: remove this `mut`
Sep 17 20:33:35.353 INFO kablam!    |
Sep 17 20:33:35.353 INFO kablam!    = note: #[warn(unused_mut)] on by default
Sep 17 20:33:35.353 INFO kablam! 
Sep 17 20:33:35.362 INFO kablam! warning: variable does not need to be mutable
Sep 17 20:33:35.362 INFO kablam!    --> src/lib.rs:177:13
Sep 17 20:33:35.362 INFO kablam!     |
Sep 17 20:33:35.362 INFO kablam! 177 |         let mut synth = self.synth.as_mut().unwrap();
Sep 17 20:33:35.362 INFO kablam!     |             ----^^^^^
Sep 17 20:33:35.362 INFO kablam!     |             |
Sep 17 20:33:35.362 INFO kablam!     |             help: remove this `mut`
Sep 17 20:33:35.362 INFO kablam! 
Sep 17 20:33:35.399 INFO kablam! warning: variable does not need to be mutable
Sep 17 20:33:35.399 INFO kablam!   --> src/lib.rs:62:17
Sep 17 20:33:35.399 INFO kablam!    |
Sep 17 20:33:35.399 INFO kablam! 62 |             let mut stream = self.stream.as_mut().unwrap();
Sep 17 20:33:35.399 INFO kablam!    |                 ----^^^^^^
Sep 17 20:33:35.399 INFO kablam!    |                 |
Sep 17 20:33:35.399 INFO kablam!    |                 help: remove this `mut`
Sep 17 20:33:35.399 INFO kablam!    |
Sep 17 20:33:35.399 INFO kablam!    = note: #[warn(unused_mut)] on by default
Sep 17 20:33:35.399 INFO kablam! 
Sep 17 20:33:35.406 INFO kablam! warning: variable does not need to be mutable
Sep 17 20:33:35.406 INFO kablam!    --> src/lib.rs:177:13
Sep 17 20:33:35.406 INFO kablam!     |
Sep 17 20:33:35.406 INFO kablam! 177 |         let mut synth = self.synth.as_mut().unwrap();
Sep 17 20:33:35.406 INFO kablam!     |             ----^^^^^
Sep 17 20:33:35.406 INFO kablam!     |             |
Sep 17 20:33:35.406 INFO kablam!     |             help: remove this `mut`
Sep 17 20:33:35.406 INFO kablam! 
Sep 17 20:33:35.430 INFO kablam!     Finished dev [unoptimized + debuginfo] target(s) in 3.53s
Sep 17 20:33:35.433 INFO kablam! su: No module specific data is present
Sep 17 20:33:35.907 INFO running `"docker" "rm" "-f" "0a64477d0b0d2eea62781d0698fef4484322e71cb1e95b5148b2c40a0b295f9e"`
Sep 17 20:33:35.998 INFO blam! 0a64477d0b0d2eea62781d0698fef4484322e71cb1e95b5148b2c40a0b295f9e