Dec 17 22:23:39.493 INFO checking jetilling/rust_example against try#0b8c5828f68d7b2840b81fa51239346dc97fef5a for pr-54252
Dec 17 22:23:39.493 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-54252/worker-3/try#0b8c5828f68d7b2840b81fa51239346dc97fef5a:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-54252/sources/try#0b8c5828f68d7b2840b81fa51239346dc97fef5a/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" "+0b8c5828f68d7b2840b81fa51239346dc97fef5a-alt" "check" "--frozen" "--all" "--all-targets"`
Dec 17 22:23:39.716 INFO [stdout] df59fc8c71f19e799cb90be6b85daff4af378debede9f8d346f3dd9f23cf3ac5
Dec 17 22:23:39.721 INFO running `"docker" "start" "-a" "df59fc8c71f19e799cb90be6b85daff4af378debede9f8d346f3dd9f23cf3ac5"`
Dec 17 22:23:40.840 INFO [stderr]     Checking rust_example_app v0.1.0 (/opt/crater/workdir)
Dec 17 22:23:41.024 INFO [stderr] warning: unused variable: `f`
Dec 17 22:23:41.024 INFO [stderr]   --> src/lib.rs:29:28
Dec 17 22:23:41.024 INFO [stderr]    |
Dec 17 22:23:41.024 INFO [stderr] 29 |   pub fn execute<F>(&self, f: F)
Dec 17 22:23:41.024 INFO [stderr]    |                            ^ help: consider using `_f` instead
Dec 17 22:23:41.024 INFO [stderr]    |
Dec 17 22:23:41.024 INFO [stderr]    = note: #[warn(unused_variables)] on by default
Dec 17 22:23:41.024 INFO [stderr] 
Dec 17 22:23:41.024 INFO [stderr] warning: field is never used: `workers`
Dec 17 22:23:41.024 INFO [stderr]  --> src/lib.rs:4:3
Dec 17 22:23:41.024 INFO [stderr]   |
Dec 17 22:23:41.024 INFO [stderr] 4 |   workers: Vec<Worker>
Dec 17 22:23:41.024 INFO [stderr]   |   ^^^^^^^^^^^^^^^^^^^^
Dec 17 22:23:41.024 INFO [stderr]   |
Dec 17 22:23:41.024 INFO [stderr]   = note: #[warn(dead_code)] on by default
Dec 17 22:23:41.024 INFO [stderr] 
Dec 17 22:23:41.024 INFO [stderr] warning: field is never used: `id`
Dec 17 22:23:41.024 INFO [stderr]   --> src/lib.rs:38:3
Dec 17 22:23:41.024 INFO [stderr]    |
Dec 17 22:23:41.024 INFO [stderr] 38 |   id: usize,
Dec 17 22:23:41.025 INFO [stderr]    |   ^^^^^^^^^
Dec 17 22:23:41.025 INFO [stderr] 
Dec 17 22:23:41.025 INFO [stderr] warning: field is never used: `thread`
Dec 17 22:23:41.025 INFO [stderr]   --> src/lib.rs:39:3
Dec 17 22:23:41.025 INFO [stderr]    |
Dec 17 22:23:41.025 INFO [stderr] 39 |   thread: thread::JoinHandle<()>,
Dec 17 22:23:41.025 INFO [stderr]    |   ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 17 22:23:41.025 INFO [stderr] 
Dec 17 22:23:41.056 INFO [stderr] warning: unused variable: `f`
Dec 17 22:23:41.056 INFO [stderr]   --> src/lib.rs:29:28
Dec 17 22:23:41.056 INFO [stderr]    |
Dec 17 22:23:41.056 INFO [stderr] 29 |   pub fn execute<F>(&self, f: F)
Dec 17 22:23:41.056 INFO [stderr]    |                            ^ help: consider using `_f` instead
Dec 17 22:23:41.056 INFO [stderr]    |
Dec 17 22:23:41.059 INFO [stderr]    = note: #[warn(unused_variables)] on by default
Dec 17 22:23:41.059 INFO [stderr] 
Dec 17 22:23:41.064 INFO [stderr] warning: field is never used: `workers`
Dec 17 22:23:41.064 INFO [stderr]  --> src/lib.rs:4:3
Dec 17 22:23:41.064 INFO [stderr]   |
Dec 17 22:23:41.064 INFO [stderr] 4 |   workers: Vec<Worker>
Dec 17 22:23:41.064 INFO [stderr]   |   ^^^^^^^^^^^^^^^^^^^^
Dec 17 22:23:41.064 INFO [stderr]   |
Dec 17 22:23:41.064 INFO [stderr]   = note: #[warn(dead_code)] on by default
Dec 17 22:23:41.064 INFO [stderr] 
Dec 17 22:23:41.064 INFO [stderr] warning: field is never used: `id`
Dec 17 22:23:41.064 INFO [stderr]   --> src/lib.rs:38:3
Dec 17 22:23:41.064 INFO [stderr]    |
Dec 17 22:23:41.064 INFO [stderr] 38 |   id: usize,
Dec 17 22:23:41.064 INFO [stderr]    |   ^^^^^^^^^
Dec 17 22:23:41.064 INFO [stderr] 
Dec 17 22:23:41.064 INFO [stderr] warning: field is never used: `thread`
Dec 17 22:23:41.064 INFO [stderr]   --> src/lib.rs:39:3
Dec 17 22:23:41.064 INFO [stderr]    |
Dec 17 22:23:41.064 INFO [stderr] 39 |   thread: thread::JoinHandle<()>,
Dec 17 22:23:41.064 INFO [stderr]    |   ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 17 22:23:41.064 INFO [stderr] 
Dec 17 22:23:41.255 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.43s
Dec 17 22:23:41.498 INFO running `"docker" "inspect" "df59fc8c71f19e799cb90be6b85daff4af378debede9f8d346f3dd9f23cf3ac5"`
Dec 17 22:23:41.606 INFO running `"docker" "rm" "-f" "df59fc8c71f19e799cb90be6b85daff4af378debede9f8d346f3dd9f23cf3ac5"`
Dec 17 22:23:41.756 INFO [stdout] df59fc8c71f19e799cb90be6b85daff4af378debede9f8d346f3dd9f23cf3ac5