Nov 28 03:23:34.690 INFO checking jetilling/rust_example against try#db42d4dad33013eba11ef37342ad9f614e5652b8 for pr-56074
Nov 28 03:23:34.692 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56074/worker-0/try#db42d4dad33013eba11ef37342ad9f614e5652b8:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-0/pr-56074/try#db42d4dad33013eba11ef37342ad9f614e5652b8:/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 +db42d4dad33013eba11ef37342ad9f614e5652b8-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 28 03:23:35.345 INFO [stdout] a810e6a730102a9015b6a993f6c9a8fa9acf09245063b23f2a2262f28d66049c
Nov 28 03:23:35.347 INFO running `"docker" "start" "-a" "a810e6a730102a9015b6a993f6c9a8fa9acf09245063b23f2a2262f28d66049c"`
Nov 28 03:23:36.179 INFO [stderr] usermod: no changes
Nov 28 03:23:36.223 INFO [stderr]     Checking rust_example_app v0.1.0 (/source)
Nov 28 03:23:36.528 INFO [stderr] warning: unused variable: `f`
Nov 28 03:23:36.528 INFO [stderr]   --> src/lib.rs:29:28
Nov 28 03:23:36.528 INFO [stderr]    |
Nov 28 03:23:36.528 INFO [stderr] 29 |   pub fn execute<F>(&self, f: F)
Nov 28 03:23:36.528 INFO [stderr]    |                            ^ help: consider using `_f` instead
Nov 28 03:23:36.528 INFO [stderr]    |
Nov 28 03:23:36.528 INFO [stderr]    = note: #[warn(unused_variables)] on by default
Nov 28 03:23:36.528 INFO [stderr] 
Nov 28 03:23:36.528 INFO [stderr] warning: field is never used: `workers`
Nov 28 03:23:36.528 INFO [stderr]  --> src/lib.rs:4:3
Nov 28 03:23:36.528 INFO [stderr]   |
Nov 28 03:23:36.528 INFO [stderr] 4 |   workers: Vec<Worker>
Nov 28 03:23:36.528 INFO [stderr]   |   ^^^^^^^^^^^^^^^^^^^^
Nov 28 03:23:36.529 INFO [stderr]   |
Nov 28 03:23:36.529 INFO [stderr]   = note: #[warn(dead_code)] on by default
Nov 28 03:23:36.529 INFO [stderr] 
Nov 28 03:23:36.529 INFO [stderr] warning: field is never used: `id`
Nov 28 03:23:36.529 INFO [stderr]   --> src/lib.rs:38:3
Nov 28 03:23:36.529 INFO [stderr]    |
Nov 28 03:23:36.529 INFO [stderr] 38 |   id: usize,
Nov 28 03:23:36.529 INFO [stderr]    |   ^^^^^^^^^
Nov 28 03:23:36.529 INFO [stderr] 
Nov 28 03:23:36.529 INFO [stderr] warning: field is never used: `thread`
Nov 28 03:23:36.529 INFO [stderr]   --> src/lib.rs:39:3
Nov 28 03:23:36.529 INFO [stderr]    |
Nov 28 03:23:36.529 INFO [stderr] 39 |   thread: thread::JoinHandle<()>,
Nov 28 03:23:36.529 INFO [stderr]    |   ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 28 03:23:36.529 INFO [stderr] 
Nov 28 03:23:36.757 INFO [stderr] warning: unused variable: `f`
Nov 28 03:23:36.757 INFO [stderr]   --> src/lib.rs:29:28
Nov 28 03:23:36.757 INFO [stderr]    |
Nov 28 03:23:36.757 INFO [stderr] 29 |   pub fn execute<F>(&self, f: F)
Nov 28 03:23:36.757 INFO [stderr]    |                            ^ help: consider using `_f` instead
Nov 28 03:23:36.757 INFO [stderr]    |
Nov 28 03:23:36.757 INFO [stderr]    = note: #[warn(unused_variables)] on by default
Nov 28 03:23:36.758 INFO [stderr] 
Nov 28 03:23:36.758 INFO [stderr] warning: field is never used: `workers`
Nov 28 03:23:36.758 INFO [stderr]  --> src/lib.rs:4:3
Nov 28 03:23:36.758 INFO [stderr]   |
Nov 28 03:23:36.758 INFO [stderr] 4 |   workers: Vec<Worker>
Nov 28 03:23:36.758 INFO [stderr]   |   ^^^^^^^^^^^^^^^^^^^^
Nov 28 03:23:36.758 INFO [stderr]   |
Nov 28 03:23:36.758 INFO [stderr]   = note: #[warn(dead_code)] on by default
Nov 28 03:23:36.759 INFO [stderr] 
Nov 28 03:23:36.759 INFO [stderr] warning: field is never used: `id`
Nov 28 03:23:36.759 INFO [stderr]   --> src/lib.rs:38:3
Nov 28 03:23:36.759 INFO [stderr]    |
Nov 28 03:23:36.759 INFO [stderr] 38 |   id: usize,
Nov 28 03:23:36.759 INFO [stderr]    |   ^^^^^^^^^
Nov 28 03:23:36.759 INFO [stderr] 
Nov 28 03:23:36.759 INFO [stderr] warning: field is never used: `thread`
Nov 28 03:23:36.760 INFO [stderr]   --> src/lib.rs:39:3
Nov 28 03:23:36.760 INFO [stderr]    |
Nov 28 03:23:36.760 INFO [stderr] 39 |   thread: thread::JoinHandle<()>,
Nov 28 03:23:36.760 INFO [stderr]    |   ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 28 03:23:36.760 INFO [stderr] 
Nov 28 03:23:37.029 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.81s
Nov 28 03:23:37.029 INFO [stderr] su: No module specific data is present
Nov 28 03:23:37.570 INFO running `"docker" "inspect" "a810e6a730102a9015b6a993f6c9a8fa9acf09245063b23f2a2262f28d66049c"`
Nov 28 03:23:37.743 INFO running `"docker" "rm" "-f" "a810e6a730102a9015b6a993f6c9a8fa9acf09245063b23f2a2262f28d66049c"`
Nov 28 03:23:38.012 INFO [stdout] a810e6a730102a9015b6a993f6c9a8fa9acf09245063b23f2a2262f28d66049c