Nov 27 17:05:29.339 INFO checking wilcoxky/rust-hw04 against master#0b9f19dff1347e29bf4362ab5a8fab84b43023b5 for pr-56074
Nov 27 17:05:29.339 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56074/worker-0/master#0b9f19dff1347e29bf4362ab5a8fab84b43023b5:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-0/pr-56074/master#0b9f19dff1347e29bf4362ab5a8fab84b43023b5:/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 +0b9f19dff1347e29bf4362ab5a8fab84b43023b5-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 27 17:05:29.758 INFO [stdout] a6f69648d3c6ae500c059923ebfffb14dff4549cfcaab5d57cbbd0e7e048dc50
Nov 27 17:05:29.760 INFO running `"docker" "start" "-a" "a6f69648d3c6ae500c059923ebfffb14dff4549cfcaab5d57cbbd0e7e048dc50"`
Nov 27 17:05:30.949 INFO [stderr] usermod: no changes
Nov 27 17:05:31.044 INFO [stderr]     Checking hw04 v0.1.0 (/source)
Nov 27 17:05:31.568 INFO [stderr] warning: unused variable: `result`
Nov 27 17:05:31.569 INFO [stderr]   --> src/main.rs:27:13
Nov 27 17:05:31.569 INFO [stderr]    |
Nov 27 17:05:31.569 INFO [stderr] 27 |         let result = evaluate_line(&mut stack, &buffer);
Nov 27 17:05:31.570 INFO [stderr]    |             ^^^^^^ help: consider using `_result` instead
Nov 27 17:05:31.570 INFO [stderr]    |
Nov 27 17:05:31.570 INFO [stderr]    = note: #[warn(unused_variables)] on by default
Nov 27 17:05:31.571 INFO [stderr] 
Nov 27 17:05:31.591 INFO [stderr] warning: unused `std::result::Result` that must be used
Nov 27 17:05:31.591 INFO [stderr]    --> src/rpn.rs:124:21
Nov 27 17:05:31.591 INFO [stderr]     |
Nov 27 17:05:31.591 INFO [stderr] 124 |                     self.push(n);
Nov 27 17:05:31.591 INFO [stderr]     |                     ^^^^^^^^^^^^^
Nov 27 17:05:31.592 INFO [stderr]     |
Nov 27 17:05:31.592 INFO [stderr]     = note: #[warn(unused_must_use)] on by default
Nov 27 17:05:31.593 INFO [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
Nov 27 17:05:31.593 INFO [stderr] 
Nov 27 17:05:31.594 INFO [stderr] warning: unused `std::result::Result` that must be used
Nov 27 17:05:31.594 INFO [stderr]    --> src/rpn.rs:133:21
Nov 27 17:05:31.594 INFO [stderr]     |
Nov 27 17:05:31.594 INFO [stderr] 133 |                     self.push(first.unwrap());
Nov 27 17:05:31.594 INFO [stderr]     |                     ^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 27 17:05:31.594 INFO [stderr]     |
Nov 27 17:05:31.594 INFO [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
Nov 27 17:05:31.594 INFO [stderr] 
Nov 27 17:05:31.784 INFO [stderr] warning: unused variable: `result`
Nov 27 17:05:31.784 INFO [stderr]   --> src/main.rs:27:13
Nov 27 17:05:31.784 INFO [stderr]    |
Nov 27 17:05:31.784 INFO [stderr] 27 |         let result = evaluate_line(&mut stack, &buffer);
Nov 27 17:05:31.784 INFO [stderr]    |             ^^^^^^ help: consider using `_result` instead
Nov 27 17:05:31.784 INFO [stderr]    |
Nov 27 17:05:31.784 INFO [stderr]    = note: #[warn(unused_variables)] on by default
Nov 27 17:05:31.784 INFO [stderr] 
Nov 27 17:05:31.861 INFO [stderr] warning: unused `std::result::Result` that must be used
Nov 27 17:05:31.862 INFO [stderr]    --> src/rpn.rs:124:21
Nov 27 17:05:31.862 INFO [stderr]     |
Nov 27 17:05:31.862 INFO [stderr] 124 |                     self.push(n);
Nov 27 17:05:31.863 INFO [stderr]     |                     ^^^^^^^^^^^^^
Nov 27 17:05:31.863 INFO [stderr]     |
Nov 27 17:05:31.863 INFO [stderr]     = note: #[warn(unused_must_use)] on by default
Nov 27 17:05:31.864 INFO [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
Nov 27 17:05:31.864 INFO [stderr] 
Nov 27 17:05:31.864 INFO [stderr] warning: unused `std::result::Result` that must be used
Nov 27 17:05:31.865 INFO [stderr]    --> src/rpn.rs:133:21
Nov 27 17:05:31.865 INFO [stderr]     |
Nov 27 17:05:31.865 INFO [stderr] 133 |                     self.push(first.unwrap());
Nov 27 17:05:31.865 INFO [stderr]     |                     ^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 27 17:05:31.869 INFO [stderr]     |
Nov 27 17:05:31.869 INFO [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
Nov 27 17:05:31.869 INFO [stderr] 
Nov 27 17:05:31.909 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.90s
Nov 27 17:05:31.918 INFO [stderr] su: No module specific data is present
Nov 27 17:05:32.652 INFO running `"docker" "inspect" "a6f69648d3c6ae500c059923ebfffb14dff4549cfcaab5d57cbbd0e7e048dc50"`
Nov 27 17:05:33.038 INFO running `"docker" "rm" "-f" "a6f69648d3c6ae500c059923ebfffb14dff4549cfcaab5d57cbbd0e7e048dc50"`
Nov 27 17:05:33.412 INFO [stdout] a6f69648d3c6ae500c059923ebfffb14dff4549cfcaab5d57cbbd0e7e048dc50