Nov 28 21:16:03.765 INFO checking ogg_vorbis_ref-0.0.3 against try#db42d4dad33013eba11ef37342ad9f614e5652b8 for pr-56074
Nov 28 21:16:03.765 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56074/worker-6/try#db42d4dad33013eba11ef37342ad9f614e5652b8:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-6/pr-56074/try#db42d4dad33013eba11ef37342ad9f614e5652b8:/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 +db42d4dad33013eba11ef37342ad9f614e5652b8-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"`
Nov 28 21:16:04.177 INFO [stdout] ff6df5b179abfa90e3ddf4f43c755b41829d3a7e9e75bb7487dcf707fff1c535
Nov 28 21:16:04.180 INFO running `"docker" "start" "-a" "ff6df5b179abfa90e3ddf4f43c755b41829d3a7e9e75bb7487dcf707fff1c535"`
Nov 28 21:16:06.001 INFO [stderr] usermod: no changes
Nov 28 21:16:06.134 INFO [stderr]     Checking ogg_vorbis_ref v0.0.3 (/source)
Nov 28 21:16:06.978 INFO [stderr] warning: variable does not need to be mutable
Nov 28 21:16:06.979 INFO [stderr]   --> src/lib.rs:62:17
Nov 28 21:16:06.979 INFO [stderr]    |
Nov 28 21:16:06.980 INFO [stderr] 62 |             let mut stream = self.stream.as_mut().unwrap();
Nov 28 21:16:06.981 INFO [stderr]    |                 ----^^^^^^
Nov 28 21:16:06.981 INFO [stderr]    |                 |
Nov 28 21:16:06.982 INFO [stderr]    |                 help: remove this `mut`
Nov 28 21:16:06.983 INFO [stderr]    |
Nov 28 21:16:06.983 INFO [stderr]    = note: #[warn(unused_mut)] on by default
Nov 28 21:16:06.983 INFO [stderr] 
Nov 28 21:16:06.996 INFO [stderr] warning: variable does not need to be mutable
Nov 28 21:16:06.997 INFO [stderr]    --> src/lib.rs:177:13
Nov 28 21:16:06.998 INFO [stderr]     |
Nov 28 21:16:06.999 INFO [stderr] 177 |         let mut synth = self.synth.as_mut().unwrap();
Nov 28 21:16:06.999 INFO [stderr]     |             ----^^^^^
Nov 28 21:16:07.000 INFO [stderr]     |             |
Nov 28 21:16:07.000 INFO [stderr]     |             help: remove this `mut`
Nov 28 21:16:07.001 INFO [stderr] 
Nov 28 21:16:07.245 INFO [stderr] warning: variable does not need to be mutable
Nov 28 21:16:07.245 INFO [stderr]   --> src/lib.rs:62:17
Nov 28 21:16:07.246 INFO [stderr]    |
Nov 28 21:16:07.246 INFO [stderr] 62 |             let mut stream = self.stream.as_mut().unwrap();
Nov 28 21:16:07.246 INFO [stderr]    |                 ----^^^^^^
Nov 28 21:16:07.247 INFO [stderr]    |                 |
Nov 28 21:16:07.247 INFO [stderr]    |                 help: remove this `mut`
Nov 28 21:16:07.248 INFO [stderr]    |
Nov 28 21:16:07.248 INFO [stderr]    = note: #[warn(unused_mut)] on by default
Nov 28 21:16:07.249 INFO [stderr] 
Nov 28 21:16:07.253 INFO [stderr] warning: variable does not need to be mutable
Nov 28 21:16:07.253 INFO [stderr]    --> src/lib.rs:177:13
Nov 28 21:16:07.254 INFO [stderr]     |
Nov 28 21:16:07.254 INFO [stderr] 177 |         let mut synth = self.synth.as_mut().unwrap();
Nov 28 21:16:07.255 INFO [stderr]     |             ----^^^^^
Nov 28 21:16:07.255 INFO [stderr]     |             |
Nov 28 21:16:07.256 INFO [stderr]     |             help: remove this `mut`
Nov 28 21:16:07.256 INFO [stderr] 
Nov 28 21:16:07.327 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.30s
Nov 28 21:16:07.340 INFO [stderr] su: No module specific data is present
Nov 28 21:16:08.106 INFO running `"docker" "inspect" "ff6df5b179abfa90e3ddf4f43c755b41829d3a7e9e75bb7487dcf707fff1c535"`
Nov 28 21:16:08.387 INFO running `"docker" "rm" "-f" "ff6df5b179abfa90e3ddf4f43c755b41829d3a7e9e75bb7487dcf707fff1c535"`
Nov 28 21:16:08.753 INFO [stdout] ff6df5b179abfa90e3ddf4f43c755b41829d3a7e9e75bb7487dcf707fff1c535