Nov 07 03:35:51.876 INFO checking NikitaSmall/rust_rpn against master#24e66c28980442a48d9458f1a4f9b76cc722dc8a for pr-55687
Nov 07 03:35:51.876 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-55687/worker-2/master#24e66c28980442a48d9458f1a4f9b76cc722dc8a:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-2/pr-55687/master#24e66c28980442a48d9458f1a4f9b76cc722dc8a:/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 +24e66c28980442a48d9458f1a4f9b76cc722dc8a-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 07 03:35:52.442 INFO blam! 5b16738af94ac3d23cc7331e4d0e5ff80de4154c95fee2b648683d6f49922a88
Nov 07 03:35:52.445 INFO running `"docker" "start" "-a" "5b16738af94ac3d23cc7331e4d0e5ff80de4154c95fee2b648683d6f49922a88"`
Nov 07 03:35:54.309 INFO kablam! usermod: no changes
Nov 07 03:35:54.368 INFO kablam!     Checking rpn v0.1.0 (/source)
Nov 07 03:35:54.992 INFO kablam! warning: field is never used: `raw`
Nov 07 03:35:54.992 INFO kablam!   --> src/converter.rs:10:5
Nov 07 03:35:54.992 INFO kablam!    |
Nov 07 03:35:54.992 INFO kablam! 10 |     raw: String,
Nov 07 03:35:54.992 INFO kablam!    |     ^^^^^^^^^^^
Nov 07 03:35:54.992 INFO kablam!    |
Nov 07 03:35:54.992 INFO kablam!    = note: #[warn(dead_code)] on by default
Nov 07 03:35:54.992 INFO kablam! 
Nov 07 03:35:54.996 INFO kablam! warning: field is never used: `prededence`
Nov 07 03:35:54.997 INFO kablam!   --> src/converter.rs:12:5
Nov 07 03:35:54.997 INFO kablam!    |
Nov 07 03:35:54.997 INFO kablam! 12 |     prededence: HashMap<Stackable, i8>,
Nov 07 03:35:54.997 INFO kablam!    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 07 03:35:54.997 INFO kablam! 
Nov 07 03:35:54.998 INFO kablam! warning: method is never used: `convert`
Nov 07 03:35:54.998 INFO kablam!   --> src/converter.rs:16:5
Nov 07 03:35:54.998 INFO kablam!    |
Nov 07 03:35:54.999 INFO kablam! 16 |     pub fn convert(raw: String) -> Converter {
Nov 07 03:35:54.999 INFO kablam!    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 07 03:35:54.999 INFO kablam! 
Nov 07 03:35:54.999 INFO kablam! warning: method is never used: `process`
Nov 07 03:35:55.000 INFO kablam!   --> src/converter.rs:33:5
Nov 07 03:35:55.000 INFO kablam!    |
Nov 07 03:35:55.000 INFO kablam! 33 |     fn process(&mut self) {
Nov 07 03:35:55.001 INFO kablam!    |     ^^^^^^^^^^^^^^^^^^^^^
Nov 07 03:35:55.001 INFO kablam! 
Nov 07 03:35:55.124 INFO kablam! warning: variable does not need to be mutable
Nov 07 03:35:55.124 INFO kablam!   --> src/converter.rs:95:13
Nov 07 03:35:55.124 INFO kablam!    |
Nov 07 03:35:55.124 INFO kablam! 95 |         let mut converter = Converter::convert(example_string);
Nov 07 03:35:55.124 INFO kablam!    |             ----^^^^^^^^^
Nov 07 03:35:55.124 INFO kablam!    |             |
Nov 07 03:35:55.124 INFO kablam!    |             help: remove this `mut`
Nov 07 03:35:55.124 INFO kablam!    |
Nov 07 03:35:55.124 INFO kablam!    = note: #[warn(unused_mut)] on by default
Nov 07 03:35:55.124 INFO kablam! 
Nov 07 03:35:55.124 INFO kablam! warning: variable does not need to be mutable
Nov 07 03:35:55.124 INFO kablam!    --> src/converter.rs:103:13
Nov 07 03:35:55.124 INFO kablam!     |
Nov 07 03:35:55.124 INFO kablam! 103 |         let mut converter = Converter::convert(example_string);
Nov 07 03:35:55.124 INFO kablam!     |             ----^^^^^^^^^
Nov 07 03:35:55.124 INFO kablam!     |             |
Nov 07 03:35:55.124 INFO kablam!     |             help: remove this `mut`
Nov 07 03:35:55.124 INFO kablam! 
Nov 07 03:35:55.632 INFO kablam!     Finished dev [unoptimized + debuginfo] target(s) in 1.30s
Nov 07 03:35:55.643 INFO kablam! su: No module specific data is present
Nov 07 03:35:56.136 INFO running `"docker" "rm" "-f" "5b16738af94ac3d23cc7331e4d0e5ff80de4154c95fee2b648683d6f49922a88"`
Nov 07 03:35:56.304 INFO blam! 5b16738af94ac3d23cc7331e4d0e5ff80de4154c95fee2b648683d6f49922a88