Dec 05 00:57:38.788 INFO checking NikitaSmall/rust_rpn against master#c8ae2de8363be088604ffa2ccba84ff7ad7250bc for pr-56481
Dec 05 00:57:38.788 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56481/worker-4/master#c8ae2de8363be088604ffa2ccba84ff7ad7250bc:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-4/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 05 00:57:39.195 INFO [stdout] 233ea9b6b24e02b992e6df0d34cebd25659b6b5a61e68a6b3775605a5d13e10f
Dec 05 00:57:39.198 INFO running `"docker" "start" "-a" "233ea9b6b24e02b992e6df0d34cebd25659b6b5a61e68a6b3775605a5d13e10f"`
Dec 05 00:57:40.289 INFO [stderr] usermod: no changes
Dec 05 00:57:40.375 INFO [stderr]     Checking rpn v0.1.0 (/source)
Dec 05 00:57:41.334 INFO [stderr] warning: field is never used: `raw`
Dec 05 00:57:41.334 INFO [stderr]   --> src/converter.rs:10:5
Dec 05 00:57:41.334 INFO [stderr]    |
Dec 05 00:57:41.334 INFO [stderr] 10 |     raw: String,
Dec 05 00:57:41.334 INFO [stderr]    |     ^^^^^^^^^^^
Dec 05 00:57:41.334 INFO [stderr]    |
Dec 05 00:57:41.334 INFO [stderr]    = note: #[warn(dead_code)] on by default
Dec 05 00:57:41.334 INFO [stderr] 
Dec 05 00:57:41.334 INFO [stderr] warning: field is never used: `prededence`
Dec 05 00:57:41.334 INFO [stderr]   --> src/converter.rs:12:5
Dec 05 00:57:41.334 INFO [stderr]    |
Dec 05 00:57:41.334 INFO [stderr] 12 |     prededence: HashMap<Stackable, i8>,
Dec 05 00:57:41.334 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 05 00:57:41.334 INFO [stderr] 
Dec 05 00:57:41.334 INFO [stderr] warning: method is never used: `convert`
Dec 05 00:57:41.334 INFO [stderr]   --> src/converter.rs:16:5
Dec 05 00:57:41.335 INFO [stderr]    |
Dec 05 00:57:41.335 INFO [stderr] 16 |     pub fn convert(raw: String) -> Converter {
Dec 05 00:57:41.335 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 05 00:57:41.335 INFO [stderr] 
Dec 05 00:57:41.335 INFO [stderr] warning: method is never used: `process`
Dec 05 00:57:41.335 INFO [stderr]   --> src/converter.rs:33:5
Dec 05 00:57:41.335 INFO [stderr]    |
Dec 05 00:57:41.335 INFO [stderr] 33 |     fn process(&mut self) {
Dec 05 00:57:41.335 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^
Dec 05 00:57:41.335 INFO [stderr] 
Dec 05 00:57:41.487 INFO [stderr] warning: variable does not need to be mutable
Dec 05 00:57:41.487 INFO [stderr]   --> src/converter.rs:95:13
Dec 05 00:57:41.487 INFO [stderr]    |
Dec 05 00:57:41.487 INFO [stderr] 95 |         let mut converter = Converter::convert(example_string);
Dec 05 00:57:41.487 INFO [stderr]    |             ----^^^^^^^^^
Dec 05 00:57:41.487 INFO [stderr]    |             |
Dec 05 00:57:41.487 INFO [stderr]    |             help: remove this `mut`
Dec 05 00:57:41.487 INFO [stderr]    |
Dec 05 00:57:41.487 INFO [stderr]    = note: #[warn(unused_mut)] on by default
Dec 05 00:57:41.488 INFO [stderr] 
Dec 05 00:57:41.489 INFO [stderr] warning: variable does not need to be mutable
Dec 05 00:57:41.489 INFO [stderr]    --> src/converter.rs:103:13
Dec 05 00:57:41.489 INFO [stderr]     |
Dec 05 00:57:41.489 INFO [stderr] 103 |         let mut converter = Converter::convert(example_string);
Dec 05 00:57:41.489 INFO [stderr]     |             ----^^^^^^^^^
Dec 05 00:57:41.489 INFO [stderr]     |             |
Dec 05 00:57:41.489 INFO [stderr]     |             help: remove this `mut`
Dec 05 00:57:41.489 INFO [stderr] 
Dec 05 00:57:42.399 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.08s
Dec 05 00:57:42.407 INFO [stderr] su: No module specific data is present
Dec 05 00:57:43.305 INFO running `"docker" "inspect" "233ea9b6b24e02b992e6df0d34cebd25659b6b5a61e68a6b3775605a5d13e10f"`
Dec 05 00:57:43.605 INFO running `"docker" "rm" "-f" "233ea9b6b24e02b992e6df0d34cebd25659b6b5a61e68a6b3775605a5d13e10f"`
Dec 05 00:57:43.835 INFO [stdout] 233ea9b6b24e02b992e6df0d34cebd25659b6b5a61e68a6b3775605a5d13e10f