Dec 04 07:04:12.444 INFO checking wilcoxky/rust-hw04 against master#c8ae2de8363be088604ffa2ccba84ff7ad7250bc for pr-56481
Dec 04 07:04:12.444 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56481/worker-5/master#c8ae2de8363be088604ffa2ccba84ff7ad7250bc:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-5/pr-56481/master#c8ae2de8363be088604ffa2ccba84ff7ad7250bc:/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 +c8ae2de8363be088604ffa2ccba84ff7ad7250bc-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 04 07:04:12.985 INFO [stdout] 768735c6a19b6b3d64e99ea833151ebf61d4da82a720876dc8777961ced02366
Dec 04 07:04:12.987 INFO running `"docker" "start" "-a" "768735c6a19b6b3d64e99ea833151ebf61d4da82a720876dc8777961ced02366"`
Dec 04 07:04:14.994 INFO [stderr] usermod: no changes
Dec 04 07:04:15.063 INFO [stderr]     Checking libc v0.2.31
Dec 04 07:04:16.116 INFO [stderr]     Checking rand v0.3.16
Dec 04 07:04:17.334 INFO [stderr]     Checking hw04 v0.1.0 (/source)
Dec 04 07:04:17.631 INFO [stderr] warning: unused variable: `result`
Dec 04 07:04:17.631 INFO [stderr]   --> src/main.rs:27:13
Dec 04 07:04:17.631 INFO [stderr]    |
Dec 04 07:04:17.631 INFO [stderr] 27 |         let result = evaluate_line(&mut stack, &buffer);
Dec 04 07:04:17.632 INFO [stderr]    |             ^^^^^^ help: consider using `_result` instead
Dec 04 07:04:17.632 INFO [stderr]    |
Dec 04 07:04:17.632 INFO [stderr]    = note: #[warn(unused_variables)] on by default
Dec 04 07:04:17.632 INFO [stderr] 
Dec 04 07:04:17.651 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 04 07:04:17.652 INFO [stderr]    --> src/rpn.rs:124:21
Dec 04 07:04:17.652 INFO [stderr]     |
Dec 04 07:04:17.652 INFO [stderr] 124 |                     self.push(n);
Dec 04 07:04:17.652 INFO [stderr]     |                     ^^^^^^^^^^^^^
Dec 04 07:04:17.652 INFO [stderr]     |
Dec 04 07:04:17.652 INFO [stderr]     = note: #[warn(unused_must_use)] on by default
Dec 04 07:04:17.652 INFO [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
Dec 04 07:04:17.652 INFO [stderr] 
Dec 04 07:04:17.653 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 04 07:04:17.653 INFO [stderr]    --> src/rpn.rs:133:21
Dec 04 07:04:17.653 INFO [stderr]     |
Dec 04 07:04:17.653 INFO [stderr] 133 |                     self.push(first.unwrap());
Dec 04 07:04:17.653 INFO [stderr]     |                     ^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 04 07:04:17.653 INFO [stderr]     |
Dec 04 07:04:17.654 INFO [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
Dec 04 07:04:17.654 INFO [stderr] 
Dec 04 07:04:17.723 INFO [stderr] warning: unused variable: `result`
Dec 04 07:04:17.723 INFO [stderr]   --> src/main.rs:27:13
Dec 04 07:04:17.723 INFO [stderr]    |
Dec 04 07:04:17.723 INFO [stderr] 27 |         let result = evaluate_line(&mut stack, &buffer);
Dec 04 07:04:17.723 INFO [stderr]    |             ^^^^^^ help: consider using `_result` instead
Dec 04 07:04:17.723 INFO [stderr]    |
Dec 04 07:04:17.723 INFO [stderr]    = note: #[warn(unused_variables)] on by default
Dec 04 07:04:17.723 INFO [stderr] 
Dec 04 07:04:17.774 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 04 07:04:17.775 INFO [stderr]    --> src/rpn.rs:124:21
Dec 04 07:04:17.780 INFO [stderr]     |
Dec 04 07:04:17.780 INFO [stderr] 124 |                     self.push(n);
Dec 04 07:04:17.780 INFO [stderr]     |                     ^^^^^^^^^^^^^
Dec 04 07:04:17.780 INFO [stderr]     |
Dec 04 07:04:17.780 INFO [stderr]     = note: #[warn(unused_must_use)] on by default
Dec 04 07:04:17.780 INFO [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
Dec 04 07:04:17.780 INFO [stderr] 
Dec 04 07:04:17.780 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 04 07:04:17.807 INFO [stderr]    --> src/rpn.rs:133:21
Dec 04 07:04:17.807 INFO [stderr]     |
Dec 04 07:04:17.807 INFO [stderr] 133 |                     self.push(first.unwrap());
Dec 04 07:04:17.807 INFO [stderr]     |                     ^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 04 07:04:17.807 INFO [stderr]     |
Dec 04 07:04:17.807 INFO [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
Dec 04 07:04:17.807 INFO [stderr] 
Dec 04 07:04:17.819 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.81s
Dec 04 07:04:17.822 INFO [stderr] su: No module specific data is present
Dec 04 07:04:18.623 INFO running `"docker" "inspect" "768735c6a19b6b3d64e99ea833151ebf61d4da82a720876dc8777961ced02366"`
Dec 04 07:04:18.831 INFO running `"docker" "rm" "-f" "768735c6a19b6b3d64e99ea833151ebf61d4da82a720876dc8777961ced02366"`
Dec 04 07:04:19.217 INFO [stdout] 768735c6a19b6b3d64e99ea833151ebf61d4da82a720876dc8777961ced02366