Nov 30 18:41:24.845 INFO checking ogg_vorbis_ref-0.0.3 against try#32252761328f59ccfadb1bafb8148c685bc830b3 for pr-56323
Nov 30 18:41:24.845 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56323/worker-4/try#32252761328f59ccfadb1bafb8148c685bc830b3:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-4/pr-56323/try#32252761328f59ccfadb1bafb8148c685bc830b3:/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 +32252761328f59ccfadb1bafb8148c685bc830b3-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 30 18:41:25.390 INFO [stdout] 3446472774b9b098ea356f5137fd78d77b43fcbca3ff2c4a1796cf6f739f2858
Nov 30 18:41:25.398 INFO running `"docker" "start" "-a" "3446472774b9b098ea356f5137fd78d77b43fcbca3ff2c4a1796cf6f739f2858"`
Nov 30 18:41:26.915 INFO [stderr] usermod: no changes
Nov 30 18:41:27.021 INFO [stderr]    Compiling ogg-sys v0.0.9
Nov 30 18:41:27.027 INFO [stderr]    Compiling vorbis-sys v0.0.8
Nov 30 18:41:33.805 INFO [stderr]     Checking ogg_vorbis_ref v0.0.3 (/source)
Nov 30 18:41:34.572 INFO [stderr] warning: variable does not need to be mutable
Nov 30 18:41:34.572 INFO [stderr]   --> src/lib.rs:62:17
Nov 30 18:41:34.572 INFO [stderr]    |
Nov 30 18:41:34.572 INFO [stderr] 62 |             let mut stream = self.stream.as_mut().unwrap();
Nov 30 18:41:34.572 INFO [stderr]    |                 ----^^^^^^
Nov 30 18:41:34.572 INFO [stderr]    |                 |
Nov 30 18:41:34.572 INFO [stderr]    |                 help: remove this `mut`
Nov 30 18:41:34.572 INFO [stderr]    |
Nov 30 18:41:34.572 INFO [stderr]    = note: #[warn(unused_mut)] on by default
Nov 30 18:41:34.572 INFO [stderr] 
Nov 30 18:41:34.580 INFO [stderr] warning: variable does not need to be mutable
Nov 30 18:41:34.580 INFO [stderr]    --> src/lib.rs:177:13
Nov 30 18:41:34.580 INFO [stderr]     |
Nov 30 18:41:34.580 INFO [stderr] 177 |         let mut synth = self.synth.as_mut().unwrap();
Nov 30 18:41:34.580 INFO [stderr]     |             ----^^^^^
Nov 30 18:41:34.580 INFO [stderr]     |             |
Nov 30 18:41:34.580 INFO [stderr]     |             help: remove this `mut`
Nov 30 18:41:34.580 INFO [stderr] 
Nov 30 18:41:34.588 INFO [stderr] warning: variable does not need to be mutable
Nov 30 18:41:34.588 INFO [stderr]   --> src/lib.rs:62:17
Nov 30 18:41:34.588 INFO [stderr]    |
Nov 30 18:41:34.588 INFO [stderr] 62 |             let mut stream = self.stream.as_mut().unwrap();
Nov 30 18:41:34.588 INFO [stderr]    |                 ----^^^^^^
Nov 30 18:41:34.588 INFO [stderr]    |                 |
Nov 30 18:41:34.588 INFO [stderr]    |                 help: remove this `mut`
Nov 30 18:41:34.588 INFO [stderr]    |
Nov 30 18:41:34.588 INFO [stderr]    = note: #[warn(unused_mut)] on by default
Nov 30 18:41:34.588 INFO [stderr] 
Nov 30 18:41:34.600 INFO [stderr] warning: variable does not need to be mutable
Nov 30 18:41:34.600 INFO [stderr]    --> src/lib.rs:177:13
Nov 30 18:41:34.600 INFO [stderr]     |
Nov 30 18:41:34.600 INFO [stderr] 177 |         let mut synth = self.synth.as_mut().unwrap();
Nov 30 18:41:34.600 INFO [stderr]     |             ----^^^^^
Nov 30 18:41:34.600 INFO [stderr]     |             |
Nov 30 18:41:34.600 INFO [stderr]     |             help: remove this `mut`
Nov 30 18:41:34.600 INFO [stderr] 
Nov 30 18:41:34.676 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 7.71s
Nov 30 18:41:34.684 INFO [stderr] su: No module specific data is present
Nov 30 18:41:35.136 INFO running `"docker" "inspect" "3446472774b9b098ea356f5137fd78d77b43fcbca3ff2c4a1796cf6f739f2858"`
Nov 30 18:41:35.337 INFO running `"docker" "rm" "-f" "3446472774b9b098ea356f5137fd78d77b43fcbca3ff2c4a1796cf6f739f2858"`
Nov 30 18:41:35.508 INFO [stdout] 3446472774b9b098ea356f5137fd78d77b43fcbca3ff2c4a1796cf6f739f2858