Dec 18 08:11:43.911 INFO checking Chabare/Sonos against master#96d1334e567237b1507cd277938e7ae2de75ff51 for pr-54252
Dec 18 08:11:43.911 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-54252/worker-4/master#96d1334e567237b1507cd277938e7ae2de75ff51:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-54252/sources/master#96d1334e567237b1507cd277938e7ae2de75ff51/gh/Chabare/Sonos:/opt/crater/workdir:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/opt/crater/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/opt/crater/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/crater/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/crater/cargo-home" "-e" "RUSTUP_HOME=/opt/crater/rustup-home" "-w" "/opt/crater/workdir" "-m" "1536M" "--network" "none" "rustops/crates-build-env" "/opt/crater/cargo-home/bin/cargo" "+96d1334e567237b1507cd277938e7ae2de75ff51-alt" "check" "--frozen" "--all" "--all-targets"`
Dec 18 08:11:44.384 INFO [stdout] 982bd1191e50a65de5fca8881d580ead83366844ee3ddc1ad5a4750627bff6ee
Dec 18 08:11:44.392 INFO running `"docker" "start" "-a" "982bd1191e50a65de5fca8881d580ead83366844ee3ddc1ad5a4750627bff6ee"`
Dec 18 08:11:45.700 INFO [stderr]     Checking fern v0.4.2
Dec 18 08:11:45.703 INFO [stderr]     Checking socket v0.0.7
Dec 18 08:11:46.268 INFO [stderr]     Checking sonos_discovery v0.0.1
Dec 18 08:11:46.680 INFO [stderr]     Checking sonos v0.1.0 (/opt/crater/workdir)
Dec 18 08:11:47.098 INFO [stderr] warning: method is never used: `empty`
Dec 18 08:11:47.098 INFO [stderr]  --> src/zone/info.rs:8:5
Dec 18 08:11:47.098 INFO [stderr]   |
Dec 18 08:11:47.098 INFO [stderr] 8 |     pub fn empty() -> Self {
Dec 18 08:11:47.098 INFO [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^
Dec 18 08:11:47.098 INFO [stderr]   |
Dec 18 08:11:47.098 INFO [stderr]   = note: #[warn(dead_code)] on by default
Dec 18 08:11:47.098 INFO [stderr] 
Dec 18 08:11:47.274 INFO [stderr] warning: method is never used: `empty`
Dec 18 08:11:47.274 INFO [stderr]  --> src/zone/info.rs:8:5
Dec 18 08:11:47.274 INFO [stderr]   |
Dec 18 08:11:47.274 INFO [stderr] 8 |     pub fn empty() -> Self {
Dec 18 08:11:47.274 INFO [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^
Dec 18 08:11:47.274 INFO [stderr]   |
Dec 18 08:11:47.274 INFO [stderr]   = note: #[warn(dead_code)] on by default
Dec 18 08:11:47.274 INFO [stderr] 
Dec 18 08:11:47.858 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.21s
Dec 18 08:11:48.427 INFO running `"docker" "inspect" "982bd1191e50a65de5fca8881d580ead83366844ee3ddc1ad5a4750627bff6ee"`
Dec 18 08:11:48.774 INFO running `"docker" "rm" "-f" "982bd1191e50a65de5fca8881d580ead83366844ee3ddc1ad5a4750627bff6ee"`
Dec 18 08:11:49.056 INFO [stdout] 982bd1191e50a65de5fca8881d580ead83366844ee3ddc1ad5a4750627bff6ee