Dec 14 07:28:12.996 INFO testing NikitaSmall/rust_rpn against try#aa49d8ef14939ddec0e34b346b60174a5673d48f for pr-56550
Dec 14 07:28:12.996 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56550/worker-1/try#aa49d8ef14939ddec0e34b346b60174a5673d48f:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-1/pr-56550/try#aa49d8ef14939ddec0e34b346b60174a5673d48f:/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 +aa49d8ef14939ddec0e34b346b60174a5673d48f-alt build --frozen" "-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 14 07:28:13.451 INFO [stdout] 29fa177bd965f01a26a3b8259bb10b783bb8c0d6cb6baf455359f774b48ff3f8
Dec 14 07:28:13.455 INFO running `"docker" "start" "-a" "29fa177bd965f01a26a3b8259bb10b783bb8c0d6cb6baf455359f774b48ff3f8"`
Dec 14 07:28:14.043 INFO [stderr] usermod: no changes
Dec 14 07:28:14.073 INFO [stderr]    Compiling rpn v0.1.0 (/source)
Dec 14 07:28:14.412 INFO [stderr] warning: field is never used: `raw`
Dec 14 07:28:14.412 INFO [stderr]   --> src/converter.rs:10:5
Dec 14 07:28:14.412 INFO [stderr]    |
Dec 14 07:28:14.412 INFO [stderr] 10 |     raw: String,
Dec 14 07:28:14.412 INFO [stderr]    |     ^^^^^^^^^^^
Dec 14 07:28:14.412 INFO [stderr]    |
Dec 14 07:28:14.412 INFO [stderr]    = note: #[warn(dead_code)] on by default
Dec 14 07:28:14.412 INFO [stderr] 
Dec 14 07:28:14.412 INFO [stderr] warning: field is never used: `prededence`
Dec 14 07:28:14.412 INFO [stderr]   --> src/converter.rs:12:5
Dec 14 07:28:14.412 INFO [stderr]    |
Dec 14 07:28:14.412 INFO [stderr] 12 |     prededence: HashMap<Stackable, i8>,
Dec 14 07:28:14.412 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 14 07:28:14.412 INFO [stderr] 
Dec 14 07:28:14.412 INFO [stderr] warning: method is never used: `convert`
Dec 14 07:28:14.412 INFO [stderr]   --> src/converter.rs:16:5
Dec 14 07:28:14.412 INFO [stderr]    |
Dec 14 07:28:14.412 INFO [stderr] 16 |     pub fn convert(raw: String) -> Converter {
Dec 14 07:28:14.412 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 14 07:28:14.412 INFO [stderr] 
Dec 14 07:28:14.412 INFO [stderr] warning: method is never used: `process`
Dec 14 07:28:14.412 INFO [stderr]   --> src/converter.rs:33:5
Dec 14 07:28:14.412 INFO [stderr]    |
Dec 14 07:28:14.412 INFO [stderr] 33 |     fn process(&mut self) {
Dec 14 07:28:14.412 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^
Dec 14 07:28:14.412 INFO [stderr] 
Dec 14 07:28:15.548 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.48s
Dec 14 07:28:15.554 INFO [stderr] su: No module specific data is present
Dec 14 07:28:16.960 INFO running `"docker" "inspect" "29fa177bd965f01a26a3b8259bb10b783bb8c0d6cb6baf455359f774b48ff3f8"`
Dec 14 07:28:17.259 INFO running `"docker" "rm" "-f" "29fa177bd965f01a26a3b8259bb10b783bb8c0d6cb6baf455359f774b48ff3f8"`
Dec 14 07:28:17.635 INFO [stdout] 29fa177bd965f01a26a3b8259bb10b783bb8c0d6cb6baf455359f774b48ff3f8
Dec 14 07:28:17.643 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56550/worker-1/try#aa49d8ef14939ddec0e34b346b60174a5673d48f:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-1/pr-56550/try#aa49d8ef14939ddec0e34b346b60174a5673d48f:/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 +aa49d8ef14939ddec0e34b346b60174a5673d48f-alt test --frozen --no-run" "-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 14 07:28:18.070 INFO [stdout] 3138d0e64766f85e5547be6e67af970f8e7b278774ad275c854894b1e6078d91
Dec 14 07:28:18.072 INFO running `"docker" "start" "-a" "3138d0e64766f85e5547be6e67af970f8e7b278774ad275c854894b1e6078d91"`
Dec 14 07:28:19.514 INFO [stderr] usermod: no changes
Dec 14 07:28:19.603 INFO [stderr]    Compiling rpn v0.1.0 (/source)
Dec 14 07:28:20.619 INFO [stderr] warning: variable does not need to be mutable
Dec 14 07:28:20.619 INFO [stderr]   --> src/converter.rs:95:13
Dec 14 07:28:20.619 INFO [stderr]    |
Dec 14 07:28:20.619 INFO [stderr] 95 |         let mut converter = Converter::convert(example_string);
Dec 14 07:28:20.619 INFO [stderr]    |             ----^^^^^^^^^
Dec 14 07:28:20.619 INFO [stderr]    |             |
Dec 14 07:28:20.619 INFO [stderr]    |             help: remove this `mut`
Dec 14 07:28:20.619 INFO [stderr]    |
Dec 14 07:28:20.619 INFO [stderr]    = note: #[warn(unused_mut)] on by default
Dec 14 07:28:20.619 INFO [stderr] 
Dec 14 07:28:20.619 INFO [stderr] warning: variable does not need to be mutable
Dec 14 07:28:20.619 INFO [stderr]    --> src/converter.rs:103:13
Dec 14 07:28:20.619 INFO [stderr]     |
Dec 14 07:28:20.619 INFO [stderr] 103 |         let mut converter = Converter::convert(example_string);
Dec 14 07:28:20.619 INFO [stderr]     |             ----^^^^^^^^^
Dec 14 07:28:20.619 INFO [stderr]     |             |
Dec 14 07:28:20.619 INFO [stderr]     |             help: remove this `mut`
Dec 14 07:28:20.619 INFO [stderr] 
Dec 14 07:28:22.375 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.81s
Dec 14 07:28:22.399 INFO [stderr] su: No module specific data is present
Dec 14 07:28:23.297 INFO running `"docker" "inspect" "3138d0e64766f85e5547be6e67af970f8e7b278774ad275c854894b1e6078d91"`
Dec 14 07:28:23.635 INFO running `"docker" "rm" "-f" "3138d0e64766f85e5547be6e67af970f8e7b278774ad275c854894b1e6078d91"`
Dec 14 07:28:23.987 INFO [stdout] 3138d0e64766f85e5547be6e67af970f8e7b278774ad275c854894b1e6078d91