Oct 13 11:21:36.704 INFO checking ogg_vorbis_ref-0.0.3 against try#4021bd0b3c5815b087d6db10ce461e7e4854ade7 for pr-54977
Oct 13 11:21:36.704 INFO running `"docker" "create" "-v" "/mnt/big/crater/./work/local/target-dirs/pr-54977/worker-3/try#4021bd0b3c5815b087d6db10ce461e7e4854ade7:/target:rw,Z" "-v" "/mnt/big/crater/./work/local/test-source/worker-3/pr-54977/try#4021bd0b3c5815b087d6db10ce461e7e4854ade7:/source:ro,Z" "-v" "/mnt/big/crater/./work/local/cargo-home:/cargo-home:ro,Z" "-v" "/mnt/big/crater/./work/local/rustup-home:/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/source" "-e" "USER_ID=1000" "-e" "CMD=cargo +4021bd0b3c5815b087d6db10ce461e7e4854ade7-alt check --frozen --all --all-targets" "-e" "CARGO_TARGET_DIR=/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/cargo-home" "-e" "RUSTUP_HOME=/rustup-home" "-m" "1536M" "--network" "none" "crater"`
Oct 13 11:21:36.893 INFO blam! ced142792602241f74e1d1f999d7709522b980505cb132449eb9a505d36aa493
Oct 13 11:21:36.895 INFO running `"docker" "start" "-a" "ced142792602241f74e1d1f999d7709522b980505cb132449eb9a505d36aa493"`
Oct 13 11:21:37.378 INFO kablam! usermod: no changes
Oct 13 11:21:37.426 INFO kablam!    Compiling ogg-sys v0.0.9
Oct 13 11:21:37.426 INFO kablam!    Compiling vorbis-sys v0.0.8
Oct 13 11:21:43.088 INFO kablam!     Checking ogg_vorbis_ref v0.0.3 (/source)
Oct 13 11:21:44.216 INFO kablam! warning: variable does not need to be mutable
Oct 13 11:21:44.216 INFO kablam!   --> src/lib.rs:62:17
Oct 13 11:21:44.216 INFO kablam!    |
Oct 13 11:21:44.216 INFO kablam! 62 |             let mut stream = self.stream.as_mut().unwrap();
Oct 13 11:21:44.216 INFO kablam!    |                 ----^^^^^^
Oct 13 11:21:44.216 INFO kablam!    |                 |
Oct 13 11:21:44.216 INFO kablam!    |                 help: remove this `mut`
Oct 13 11:21:44.216 INFO kablam!    |
Oct 13 11:21:44.216 INFO kablam!    = note: #[warn(unused_mut)] on by default
Oct 13 11:21:44.216 INFO kablam! 
Oct 13 11:21:44.216 INFO kablam! warning: variable does not need to be mutable
Oct 13 11:21:44.216 INFO kablam!    --> src/lib.rs:177:13
Oct 13 11:21:44.216 INFO kablam!     |
Oct 13 11:21:44.216 INFO kablam! 177 |         let mut synth = self.synth.as_mut().unwrap();
Oct 13 11:21:44.216 INFO kablam!     |             ----^^^^^
Oct 13 11:21:44.216 INFO kablam!     |             |
Oct 13 11:21:44.216 INFO kablam!     |             help: remove this `mut`
Oct 13 11:21:44.216 INFO kablam! 
Oct 13 11:21:44.498 INFO kablam! warning: variable does not need to be mutable
Oct 13 11:21:44.498 INFO kablam!   --> src/lib.rs:62:17
Oct 13 11:21:44.498 INFO kablam!    |
Oct 13 11:21:44.498 INFO kablam! 62 |             let mut stream = self.stream.as_mut().unwrap();
Oct 13 11:21:44.498 INFO kablam!    |                 ----^^^^^^
Oct 13 11:21:44.498 INFO kablam!    |                 |
Oct 13 11:21:44.498 INFO kablam!    |                 help: remove this `mut`
Oct 13 11:21:44.498 INFO kablam!    |
Oct 13 11:21:44.498 INFO kablam!    = note: #[warn(unused_mut)] on by default
Oct 13 11:21:44.498 INFO kablam! 
Oct 13 11:21:44.504 INFO kablam! warning: variable does not need to be mutable
Oct 13 11:21:44.504 INFO kablam!    --> src/lib.rs:177:13
Oct 13 11:21:44.504 INFO kablam!     |
Oct 13 11:21:44.504 INFO kablam! 177 |         let mut synth = self.synth.as_mut().unwrap();
Oct 13 11:21:44.504 INFO kablam!     |             ----^^^^^
Oct 13 11:21:44.504 INFO kablam!     |             |
Oct 13 11:21:44.504 INFO kablam!     |             help: remove this `mut`
Oct 13 11:21:44.504 INFO kablam! 
Oct 13 11:21:44.556 INFO kablam!     Finished dev [unoptimized + debuginfo] target(s) in 7.16s
Oct 13 11:21:44.560 INFO kablam! su: No module specific data is present
Oct 13 11:21:44.834 INFO running `"docker" "rm" "-f" "ced142792602241f74e1d1f999d7709522b980505cb132449eb9a505d36aa493"`
Oct 13 11:21:44.933 INFO blam! ced142792602241f74e1d1f999d7709522b980505cb132449eb9a505d36aa493