Dec 18 06:13:24.826 INFO checking NikitaSmall/rust_rpn against master#96d1334e567237b1507cd277938e7ae2de75ff51 for pr-54252
Dec 18 06:13:24.826 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-54252/worker-7/master#96d1334e567237b1507cd277938e7ae2de75ff51:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-54252/sources/master#96d1334e567237b1507cd277938e7ae2de75ff51/gh/NikitaSmall/rust_rpn:/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" "+96d1334e567237b1507cd277938e7ae2de75ff51-alt" "check" "--frozen" "--all" "--all-targets"`
Dec 18 06:13:25.262 INFO [stdout] 2639804f15aa98bdf32defd7aa29e895310ec4c77db21b651369da9f418f4028
Dec 18 06:13:25.264 INFO running `"docker" "start" "-a" "2639804f15aa98bdf32defd7aa29e895310ec4c77db21b651369da9f418f4028"`
Dec 18 06:13:26.410 INFO [stderr]     Checking rpn v0.1.0 (/opt/crater/workdir)
Dec 18 06:13:26.817 INFO [stderr] warning: variable does not need to be mutable
Dec 18 06:13:26.817 INFO [stderr]   --> src/converter.rs:95:13
Dec 18 06:13:26.817 INFO [stderr]    |
Dec 18 06:13:26.817 INFO [stderr] 95 |         let mut converter = Converter::convert(example_string);
Dec 18 06:13:26.818 INFO [stderr]    |             ----^^^^^^^^^
Dec 18 06:13:26.818 INFO [stderr]    |             |
Dec 18 06:13:26.818 INFO [stderr]    |             help: remove this `mut`
Dec 18 06:13:26.818 INFO [stderr]    |
Dec 18 06:13:26.818 INFO [stderr]    = note: #[warn(unused_mut)] on by default
Dec 18 06:13:26.818 INFO [stderr] 
Dec 18 06:13:26.828 INFO [stderr] warning: variable does not need to be mutable
Dec 18 06:13:26.828 INFO [stderr]    --> src/converter.rs:103:13
Dec 18 06:13:26.828 INFO [stderr]     |
Dec 18 06:13:26.828 INFO [stderr] 103 |         let mut converter = Converter::convert(example_string);
Dec 18 06:13:26.828 INFO [stderr]     |             ----^^^^^^^^^
Dec 18 06:13:26.828 INFO [stderr]     |             |
Dec 18 06:13:26.828 INFO [stderr]     |             help: remove this `mut`
Dec 18 06:13:26.828 INFO [stderr] 
Dec 18 06:13:26.860 INFO [stderr] warning: field is never used: `raw`
Dec 18 06:13:26.860 INFO [stderr]   --> src/converter.rs:10:5
Dec 18 06:13:26.860 INFO [stderr]    |
Dec 18 06:13:26.860 INFO [stderr] 10 |     raw: String,
Dec 18 06:13:26.860 INFO [stderr]    |     ^^^^^^^^^^^
Dec 18 06:13:26.860 INFO [stderr]    |
Dec 18 06:13:26.860 INFO [stderr]    = note: #[warn(dead_code)] on by default
Dec 18 06:13:26.861 INFO [stderr] 
Dec 18 06:13:26.861 INFO [stderr] warning: field is never used: `prededence`
Dec 18 06:13:26.861 INFO [stderr]   --> src/converter.rs:12:5
Dec 18 06:13:26.861 INFO [stderr]    |
Dec 18 06:13:26.861 INFO [stderr] 12 |     prededence: HashMap<Stackable, i8>,
Dec 18 06:13:26.861 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 18 06:13:26.861 INFO [stderr] 
Dec 18 06:13:26.861 INFO [stderr] warning: method is never used: `convert`
Dec 18 06:13:26.861 INFO [stderr]   --> src/converter.rs:16:5
Dec 18 06:13:26.861 INFO [stderr]    |
Dec 18 06:13:26.861 INFO [stderr] 16 |     pub fn convert(raw: String) -> Converter {
Dec 18 06:13:26.861 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 18 06:13:26.861 INFO [stderr] 
Dec 18 06:13:26.861 INFO [stderr] warning: method is never used: `process`
Dec 18 06:13:26.861 INFO [stderr]   --> src/converter.rs:33:5
Dec 18 06:13:26.861 INFO [stderr]    |
Dec 18 06:13:26.861 INFO [stderr] 33 |     fn process(&mut self) {
Dec 18 06:13:26.861 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^
Dec 18 06:13:26.861 INFO [stderr] 
Dec 18 06:13:27.182 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.80s
Dec 18 06:13:27.578 INFO running `"docker" "inspect" "2639804f15aa98bdf32defd7aa29e895310ec4c77db21b651369da9f418f4028"`
Dec 18 06:13:27.744 INFO running `"docker" "rm" "-f" "2639804f15aa98bdf32defd7aa29e895310ec4c77db21b651369da9f418f4028"`
Dec 18 06:13:28.003 INFO [stdout] 2639804f15aa98bdf32defd7aa29e895310ec4c77db21b651369da9f418f4028