Nov 17 13:06:21.896 INFO testing NikitaSmall/rust_rpn against try#2e026d6e5d7621634147ad4c8074f1d964dbb1be for pr-55982
Nov 17 13:06:21.896 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-55982/worker-6/try#2e026d6e5d7621634147ad4c8074f1d964dbb1be:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-6/pr-55982/try#2e026d6e5d7621634147ad4c8074f1d964dbb1be:/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 +2e026d6e5d7621634147ad4c8074f1d964dbb1be-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"`
Nov 17 13:06:22.451 INFO [stdout] 04d33063188d2d782d4614cc54f270842ce3083c845e94d09d646cedf495a64c
Nov 17 13:06:22.457 INFO running `"docker" "start" "-a" "04d33063188d2d782d4614cc54f270842ce3083c845e94d09d646cedf495a64c"`
Nov 17 13:06:23.559 INFO [stderr] usermod: no changes
Nov 17 13:06:23.659 INFO [stderr]    Compiling rpn v0.1.0 (/source)
Nov 17 13:06:24.179 INFO [stderr] warning: field is never used: `raw`
Nov 17 13:06:24.179 INFO [stderr]   --> src/converter.rs:10:5
Nov 17 13:06:24.179 INFO [stderr]    |
Nov 17 13:06:24.179 INFO [stderr] 10 |     raw: String,
Nov 17 13:06:24.179 INFO [stderr]    |     ^^^^^^^^^^^
Nov 17 13:06:24.179 INFO [stderr]    |
Nov 17 13:06:24.179 INFO [stderr]    = note: #[warn(dead_code)] on by default
Nov 17 13:06:24.179 INFO [stderr] 
Nov 17 13:06:24.179 INFO [stderr] warning: field is never used: `prededence`
Nov 17 13:06:24.179 INFO [stderr]   --> src/converter.rs:12:5
Nov 17 13:06:24.179 INFO [stderr]    |
Nov 17 13:06:24.179 INFO [stderr] 12 |     prededence: HashMap<Stackable, i8>,
Nov 17 13:06:24.179 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 17 13:06:24.179 INFO [stderr] 
Nov 17 13:06:24.179 INFO [stderr] warning: method is never used: `convert`
Nov 17 13:06:24.179 INFO [stderr]   --> src/converter.rs:16:5
Nov 17 13:06:24.179 INFO [stderr]    |
Nov 17 13:06:24.179 INFO [stderr] 16 |     pub fn convert(raw: String) -> Converter {
Nov 17 13:06:24.179 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 17 13:06:24.179 INFO [stderr] 
Nov 17 13:06:24.179 INFO [stderr] warning: method is never used: `process`
Nov 17 13:06:24.179 INFO [stderr]   --> src/converter.rs:33:5
Nov 17 13:06:24.179 INFO [stderr]    |
Nov 17 13:06:24.179 INFO [stderr] 33 |     fn process(&mut self) {
Nov 17 13:06:24.179 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^
Nov 17 13:06:24.179 INFO [stderr] 
Nov 17 13:06:25.463 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.85s
Nov 17 13:06:25.467 INFO [stderr] su: No module specific data is present
Nov 17 13:06:26.812 INFO running `"docker" "inspect" "04d33063188d2d782d4614cc54f270842ce3083c845e94d09d646cedf495a64c"`
Nov 17 13:06:27.209 INFO running `"docker" "rm" "-f" "04d33063188d2d782d4614cc54f270842ce3083c845e94d09d646cedf495a64c"`
Nov 17 13:06:27.483 INFO [stdout] 04d33063188d2d782d4614cc54f270842ce3083c845e94d09d646cedf495a64c
Nov 17 13:06:27.487 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-55982/worker-6/try#2e026d6e5d7621634147ad4c8074f1d964dbb1be:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-6/pr-55982/try#2e026d6e5d7621634147ad4c8074f1d964dbb1be:/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 +2e026d6e5d7621634147ad4c8074f1d964dbb1be-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"`
Nov 17 13:06:27.889 INFO [stdout] 354ff7b866556aeeb3971c6d58b3116d56d50d9df0d5234988b2c03117ea2607
Nov 17 13:06:27.899 INFO running `"docker" "start" "-a" "354ff7b866556aeeb3971c6d58b3116d56d50d9df0d5234988b2c03117ea2607"`
Nov 17 13:06:29.459 INFO [stderr] usermod: no changes
Nov 17 13:06:29.555 INFO [stderr]    Compiling rpn v0.1.0 (/source)
Nov 17 13:06:30.319 INFO [stderr] warning: variable does not need to be mutable
Nov 17 13:06:30.319 INFO [stderr]   --> src/converter.rs:95:13
Nov 17 13:06:30.319 INFO [stderr]    |
Nov 17 13:06:30.319 INFO [stderr] 95 |         let mut converter = Converter::convert(example_string);
Nov 17 13:06:30.319 INFO [stderr]    |             ----^^^^^^^^^
Nov 17 13:06:30.319 INFO [stderr]    |             |
Nov 17 13:06:30.319 INFO [stderr]    |             help: remove this `mut`
Nov 17 13:06:30.319 INFO [stderr]    |
Nov 17 13:06:30.319 INFO [stderr]    = note: #[warn(unused_mut)] on by default
Nov 17 13:06:30.319 INFO [stderr] 
Nov 17 13:06:30.319 INFO [stderr] warning: variable does not need to be mutable
Nov 17 13:06:30.319 INFO [stderr]    --> src/converter.rs:103:13
Nov 17 13:06:30.319 INFO [stderr]     |
Nov 17 13:06:30.319 INFO [stderr] 103 |         let mut converter = Converter::convert(example_string);
Nov 17 13:06:30.319 INFO [stderr]     |             ----^^^^^^^^^
Nov 17 13:06:30.319 INFO [stderr]     |             |
Nov 17 13:06:30.319 INFO [stderr]     |             help: remove this `mut`
Nov 17 13:06:30.319 INFO [stderr] 
Nov 17 13:06:32.022 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.50s
Nov 17 13:06:32.026 INFO [stderr] su: No module specific data is present
Nov 17 13:06:32.995 INFO running `"docker" "inspect" "354ff7b866556aeeb3971c6d58b3116d56d50d9df0d5234988b2c03117ea2607"`
Nov 17 13:06:33.103 INFO running `"docker" "rm" "-f" "354ff7b866556aeeb3971c6d58b3116d56d50d9df0d5234988b2c03117ea2607"`
Nov 17 13:06:33.214 INFO [stdout] 354ff7b866556aeeb3971c6d58b3116d56d50d9df0d5234988b2c03117ea2607