Nov 28 21:16:08.836 INFO checking ogg_vorbis_ref-0.0.3 against master#0b9f19dff1347e29bf4362ab5a8fab84b43023b5 for pr-56074
Nov 28 21:16:08.837 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56074/worker-6/master#0b9f19dff1347e29bf4362ab5a8fab84b43023b5:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-6/pr-56074/master#0b9f19dff1347e29bf4362ab5a8fab84b43023b5:/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 +0b9f19dff1347e29bf4362ab5a8fab84b43023b5-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 21:16:09.264 INFO [stdout] 47879ce1666d1615bf2aa9b59f0ae5b0c6c77253d52de067836e46d1a6f71c68
Nov 28 21:16:09.266 INFO running `"docker" "start" "-a" "47879ce1666d1615bf2aa9b59f0ae5b0c6c77253d52de067836e46d1a6f71c68"`
Nov 28 21:16:10.508 INFO [stderr] usermod: no changes
Nov 28 21:16:10.596 INFO [stderr]    Compiling ogg-sys v0.0.9
Nov 28 21:16:10.596 INFO [stderr]    Compiling vorbis-sys v0.0.8
Nov 28 21:16:18.168 INFO [stderr]     Checking ogg_vorbis_ref v0.0.3 (/source)
Nov 28 21:16:19.192 INFO [stderr] warning: variable does not need to be mutable
Nov 28 21:16:19.192 INFO [stderr]   --> src/lib.rs:62:17
Nov 28 21:16:19.192 INFO [stderr]    |
Nov 28 21:16:19.192 INFO [stderr] 62 |             let mut stream = self.stream.as_mut().unwrap();
Nov 28 21:16:19.192 INFO [stderr]    |                 ----^^^^^^
Nov 28 21:16:19.192 INFO [stderr]    |                 |
Nov 28 21:16:19.192 INFO [stderr]    |                 help: remove this `mut`
Nov 28 21:16:19.192 INFO [stderr]    |
Nov 28 21:16:19.192 INFO [stderr]    = note: #[warn(unused_mut)] on by default
Nov 28 21:16:19.192 INFO [stderr] 
Nov 28 21:16:19.196 INFO [stderr] warning: variable does not need to be mutable
Nov 28 21:16:19.196 INFO [stderr]   --> src/lib.rs:62:17
Nov 28 21:16:19.196 INFO [stderr]    |
Nov 28 21:16:19.196 INFO [stderr] 62 |             let mut stream = self.stream.as_mut().unwrap();
Nov 28 21:16:19.196 INFO [stderr]    |                 ----^^^^^^
Nov 28 21:16:19.196 INFO [stderr]    |                 |
Nov 28 21:16:19.196 INFO [stderr]    |                 help: remove this `mut`
Nov 28 21:16:19.196 INFO [stderr]    |
Nov 28 21:16:19.196 INFO [stderr]    = note: #[warn(unused_mut)] on by default
Nov 28 21:16:19.196 INFO [stderr] 
Nov 28 21:16:19.220 INFO [stderr] warning: variable does not need to be mutable
Nov 28 21:16:19.220 INFO [stderr]    --> src/lib.rs:177:13
Nov 28 21:16:19.220 INFO [stderr]     |
Nov 28 21:16:19.220 INFO [stderr] 177 |         let mut synth = self.synth.as_mut().unwrap();
Nov 28 21:16:19.220 INFO [stderr]     |             ----^^^^^
Nov 28 21:16:19.220 INFO [stderr]     |             |
Nov 28 21:16:19.220 INFO [stderr]     |             help: remove this `mut`
Nov 28 21:16:19.220 INFO [stderr] 
Nov 28 21:16:19.232 INFO [stderr] warning: variable does not need to be mutable
Nov 28 21:16:19.232 INFO [stderr]    --> src/lib.rs:177:13
Nov 28 21:16:19.232 INFO [stderr]     |
Nov 28 21:16:19.232 INFO [stderr] 177 |         let mut synth = self.synth.as_mut().unwrap();
Nov 28 21:16:19.232 INFO [stderr]     |             ----^^^^^
Nov 28 21:16:19.232 INFO [stderr]     |             |
Nov 28 21:16:19.232 INFO [stderr]     |             help: remove this `mut`
Nov 28 21:16:19.232 INFO [stderr] 
Nov 28 21:16:19.353 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 8.82s
Nov 28 21:16:19.357 INFO [stderr] su: No module specific data is present
Nov 28 21:16:20.122 INFO running `"docker" "inspect" "47879ce1666d1615bf2aa9b59f0ae5b0c6c77253d52de067836e46d1a6f71c68"`
Nov 28 21:16:20.513 INFO running `"docker" "rm" "-f" "47879ce1666d1615bf2aa9b59f0ae5b0c6c77253d52de067836e46d1a6f71c68"`
Nov 28 21:16:20.823 INFO [stdout] 47879ce1666d1615bf2aa9b59f0ae5b0c6c77253d52de067836e46d1a6f71c68