Dec 17 22:23:40.567 INFO checking jetilling/rust_example against master#96d1334e567237b1507cd277938e7ae2de75ff51 for pr-54252
Dec 17 22:23:40.567 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-54252/worker-7/master#96d1334e567237b1507cd277938e7ae2de75ff51:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-54252/sources/master#96d1334e567237b1507cd277938e7ae2de75ff51/gh/jetilling/rust_example:/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 17 22:23:40.755 INFO [stdout] 8d3b848de67d2651baec8527d207a6addcd06d0ebdd8000af8d8f4ae1ffccaeb
Dec 17 22:23:40.762 INFO running `"docker" "start" "-a" "8d3b848de67d2651baec8527d207a6addcd06d0ebdd8000af8d8f4ae1ffccaeb"`
Dec 17 22:23:41.520 INFO [stderr]     Checking rust_example_app v0.1.0 (/opt/crater/workdir)
Dec 17 22:23:41.678 INFO [stderr] warning: unused variable: `f`
Dec 17 22:23:41.678 INFO [stderr]   --> src/lib.rs:29:28
Dec 17 22:23:41.679 INFO [stderr]    |
Dec 17 22:23:41.679 INFO [stderr] 29 |   pub fn execute<F>(&self, f: F)
Dec 17 22:23:41.679 INFO [stderr]    |                            ^ help: consider using `_f` instead
Dec 17 22:23:41.679 INFO [stderr]    |
Dec 17 22:23:41.679 INFO [stderr]    = note: #[warn(unused_variables)] on by default
Dec 17 22:23:41.679 INFO [stderr] 
Dec 17 22:23:41.679 INFO [stderr] warning: field is never used: `workers`
Dec 17 22:23:41.679 INFO [stderr]  --> src/lib.rs:4:3
Dec 17 22:23:41.679 INFO [stderr]   |
Dec 17 22:23:41.679 INFO [stderr] 4 |   workers: Vec<Worker>
Dec 17 22:23:41.679 INFO [stderr]   |   ^^^^^^^^^^^^^^^^^^^^
Dec 17 22:23:41.679 INFO [stderr]   |
Dec 17 22:23:41.679 INFO [stderr]   = note: #[warn(dead_code)] on by default
Dec 17 22:23:41.679 INFO [stderr] 
Dec 17 22:23:41.679 INFO [stderr] warning: field is never used: `id`
Dec 17 22:23:41.679 INFO [stderr]   --> src/lib.rs:38:3
Dec 17 22:23:41.679 INFO [stderr]    |
Dec 17 22:23:41.679 INFO [stderr] 38 |   id: usize,
Dec 17 22:23:41.679 INFO [stderr]    |   ^^^^^^^^^
Dec 17 22:23:41.679 INFO [stderr] 
Dec 17 22:23:41.679 INFO [stderr] warning: field is never used: `thread`
Dec 17 22:23:41.679 INFO [stderr]   --> src/lib.rs:39:3
Dec 17 22:23:41.679 INFO [stderr]    |
Dec 17 22:23:41.679 INFO [stderr] 39 |   thread: thread::JoinHandle<()>,
Dec 17 22:23:41.679 INFO [stderr]    |   ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 17 22:23:41.679 INFO [stderr] 
Dec 17 22:23:41.716 INFO [stderr] warning: unused variable: `f`
Dec 17 22:23:41.716 INFO [stderr]   --> src/lib.rs:29:28
Dec 17 22:23:41.716 INFO [stderr]    |
Dec 17 22:23:41.716 INFO [stderr] 29 |   pub fn execute<F>(&self, f: F)
Dec 17 22:23:41.716 INFO [stderr]    |                            ^ help: consider using `_f` instead
Dec 17 22:23:41.720 INFO [stderr]    |
Dec 17 22:23:41.720 INFO [stderr]    = note: #[warn(unused_variables)] on by default
Dec 17 22:23:41.720 INFO [stderr] 
Dec 17 22:23:41.728 INFO [stderr] warning: field is never used: `workers`
Dec 17 22:23:41.728 INFO [stderr]  --> src/lib.rs:4:3
Dec 17 22:23:41.728 INFO [stderr]   |
Dec 17 22:23:41.728 INFO [stderr] 4 |   workers: Vec<Worker>
Dec 17 22:23:41.728 INFO [stderr]   |   ^^^^^^^^^^^^^^^^^^^^
Dec 17 22:23:41.728 INFO [stderr]   |
Dec 17 22:23:41.728 INFO [stderr]   = note: #[warn(dead_code)] on by default
Dec 17 22:23:41.728 INFO [stderr] 
Dec 17 22:23:41.728 INFO [stderr] warning: field is never used: `id`
Dec 17 22:23:41.728 INFO [stderr]   --> src/lib.rs:38:3
Dec 17 22:23:41.728 INFO [stderr]    |
Dec 17 22:23:41.728 INFO [stderr] 38 |   id: usize,
Dec 17 22:23:41.728 INFO [stderr]    |   ^^^^^^^^^
Dec 17 22:23:41.728 INFO [stderr] 
Dec 17 22:23:41.728 INFO [stderr] warning: field is never used: `thread`
Dec 17 22:23:41.728 INFO [stderr]   --> src/lib.rs:39:3
Dec 17 22:23:41.728 INFO [stderr]    |
Dec 17 22:23:41.728 INFO [stderr] 39 |   thread: thread::JoinHandle<()>,
Dec 17 22:23:41.728 INFO [stderr]    |   ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 17 22:23:41.728 INFO [stderr] 
Dec 17 22:23:41.913 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.41s
Dec 17 22:23:42.214 INFO running `"docker" "inspect" "8d3b848de67d2651baec8527d207a6addcd06d0ebdd8000af8d8f4ae1ffccaeb"`
Dec 17 22:23:42.492 INFO running `"docker" "rm" "-f" "8d3b848de67d2651baec8527d207a6addcd06d0ebdd8000af8d8f4ae1ffccaeb"`
Dec 17 22:23:42.757 INFO [stdout] 8d3b848de67d2651baec8527d207a6addcd06d0ebdd8000af8d8f4ae1ffccaeb