Dec 11 16:26:30.629 INFO checking jetilling/rust_example against try#aa9aa79c3c583aab59ac9134542d60a780c35e2e for pr-56677
Dec 11 16:26:30.630 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56677/worker-3/try#aa9aa79c3c583aab59ac9134542d60a780c35e2e:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-3/pr-56677/try#aa9aa79c3c583aab59ac9134542d60a780c35e2e:/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 +aa9aa79c3c583aab59ac9134542d60a780c35e2e-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"`
Dec 11 16:26:31.006 INFO [stdout] af7facf39cfa2a577edc233bed4b7921805ed5ed6281a570f76f3b2911f07f27
Dec 11 16:26:31.010 INFO running `"docker" "start" "-a" "af7facf39cfa2a577edc233bed4b7921805ed5ed6281a570f76f3b2911f07f27"`
Dec 11 16:26:32.058 INFO [stderr] usermod: no changes
Dec 11 16:26:32.114 INFO [stderr]     Checking rust_example_app v0.1.0 (/source)
Dec 11 16:26:32.436 INFO [stderr] warning: unused variable: `f`
Dec 11 16:26:32.436 INFO [stderr]   --> src/lib.rs:29:28
Dec 11 16:26:32.436 INFO [stderr]    |
Dec 11 16:26:32.436 INFO [stderr] 29 |   pub fn execute<F>(&self, f: F)
Dec 11 16:26:32.436 INFO [stderr]    |                            ^ help: consider using `_f` instead
Dec 11 16:26:32.436 INFO [stderr]    |
Dec 11 16:26:32.436 INFO [stderr]    = note: #[warn(unused_variables)] on by default
Dec 11 16:26:32.436 INFO [stderr] 
Dec 11 16:26:32.436 INFO [stderr] warning: field is never used: `workers`
Dec 11 16:26:32.436 INFO [stderr]  --> src/lib.rs:4:3
Dec 11 16:26:32.436 INFO [stderr]   |
Dec 11 16:26:32.436 INFO [stderr] 4 |   workers: Vec<Worker>
Dec 11 16:26:32.436 INFO [stderr]   |   ^^^^^^^^^^^^^^^^^^^^
Dec 11 16:26:32.437 INFO [stderr]   |
Dec 11 16:26:32.437 INFO [stderr]   = note: #[warn(dead_code)] on by default
Dec 11 16:26:32.437 INFO [stderr] 
Dec 11 16:26:32.437 INFO [stderr] warning: field is never used: `id`
Dec 11 16:26:32.437 INFO [stderr]   --> src/lib.rs:38:3
Dec 11 16:26:32.437 INFO [stderr]    |
Dec 11 16:26:32.437 INFO [stderr] 38 |   id: usize,
Dec 11 16:26:32.437 INFO [stderr]    |   ^^^^^^^^^
Dec 11 16:26:32.437 INFO [stderr] 
Dec 11 16:26:32.437 INFO [stderr] warning: field is never used: `thread`
Dec 11 16:26:32.437 INFO [stderr]   --> src/lib.rs:39:3
Dec 11 16:26:32.437 INFO [stderr]    |
Dec 11 16:26:32.437 INFO [stderr] 39 |   thread: thread::JoinHandle<()>,
Dec 11 16:26:32.437 INFO [stderr]    |   ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 11 16:26:32.437 INFO [stderr] 
Dec 11 16:26:32.727 INFO [stderr] warning: unused variable: `f`
Dec 11 16:26:32.727 INFO [stderr]   --> src/lib.rs:29:28
Dec 11 16:26:32.727 INFO [stderr]    |
Dec 11 16:26:32.727 INFO [stderr] 29 |   pub fn execute<F>(&self, f: F)
Dec 11 16:26:32.727 INFO [stderr]    |                            ^ help: consider using `_f` instead
Dec 11 16:26:32.727 INFO [stderr]    |
Dec 11 16:26:32.727 INFO [stderr]    = note: #[warn(unused_variables)] on by default
Dec 11 16:26:32.727 INFO [stderr] 
Dec 11 16:26:32.731 INFO [stderr] warning: field is never used: `workers`
Dec 11 16:26:32.731 INFO [stderr]  --> src/lib.rs:4:3
Dec 11 16:26:32.731 INFO [stderr]   |
Dec 11 16:26:32.731 INFO [stderr] 4 |   workers: Vec<Worker>
Dec 11 16:26:32.731 INFO [stderr]   |   ^^^^^^^^^^^^^^^^^^^^
Dec 11 16:26:32.731 INFO [stderr]   |
Dec 11 16:26:32.731 INFO [stderr]   = note: #[warn(dead_code)] on by default
Dec 11 16:26:32.731 INFO [stderr] 
Dec 11 16:26:32.731 INFO [stderr] warning: field is never used: `id`
Dec 11 16:26:32.731 INFO [stderr]   --> src/lib.rs:38:3
Dec 11 16:26:32.731 INFO [stderr]    |
Dec 11 16:26:32.731 INFO [stderr] 38 |   id: usize,
Dec 11 16:26:32.731 INFO [stderr]    |   ^^^^^^^^^
Dec 11 16:26:32.731 INFO [stderr] 
Dec 11 16:26:32.731 INFO [stderr] warning: field is never used: `thread`
Dec 11 16:26:32.731 INFO [stderr]   --> src/lib.rs:39:3
Dec 11 16:26:32.731 INFO [stderr]    |
Dec 11 16:26:32.731 INFO [stderr] 39 |   thread: thread::JoinHandle<()>,
Dec 11 16:26:32.731 INFO [stderr]    |   ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 11 16:26:32.731 INFO [stderr] 
Dec 11 16:26:33.300 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.22s
Dec 11 16:26:33.303 INFO [stderr] su: No module specific data is present
Dec 11 16:26:33.771 INFO running `"docker" "inspect" "af7facf39cfa2a577edc233bed4b7921805ed5ed6281a570f76f3b2911f07f27"`
Dec 11 16:26:33.944 INFO running `"docker" "rm" "-f" "af7facf39cfa2a577edc233bed4b7921805ed5ed6281a570f76f3b2911f07f27"`
Dec 11 16:26:34.162 INFO [stdout] af7facf39cfa2a577edc233bed4b7921805ed5ed6281a570f76f3b2911f07f27