Dec 17 13:12:08.751 INFO checking travisbhartwell/rbasic against try#0b8c5828f68d7b2840b81fa51239346dc97fef5a for pr-54252
Dec 17 13:12:08.751 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-54252/worker-0/try#0b8c5828f68d7b2840b81fa51239346dc97fef5a:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-54252/sources/try#0b8c5828f68d7b2840b81fa51239346dc97fef5a/gh/travisbhartwell/rbasic:/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" "+0b8c5828f68d7b2840b81fa51239346dc97fef5a-alt" "check" "--frozen" "--all" "--all-targets"`
Dec 17 13:12:09.223 INFO [stdout] 359aff3e38023bb1c7fa3a2dff0b0777059705d5ef00c573d74bc03f6adf022f
Dec 17 13:12:09.225 INFO running `"docker" "start" "-a" "359aff3e38023bb1c7fa3a2dff0b0777059705d5ef00c573d74bc03f6adf022f"`
Dec 17 13:12:11.520 INFO [stderr]     Checking either v1.0.2
Dec 17 13:12:11.841 INFO [stderr]     Checking itertools v0.5.8
Dec 17 13:12:13.402 INFO [stderr]     Checking rbasic v0.1.0 (/opt/crater/workdir)
Dec 17 13:12:14.140 INFO [stderr] warning: variable does not need to be mutable
Dec 17 13:12:14.141 INFO [stderr]    --> src/evaluator.rs:209:21
Dec 17 13:12:14.141 INFO [stderr]     |
Dec 17 13:12:14.141 INFO [stderr] 209 | fn parse_expression(mut token_iter: &mut Peekable<Iter<lexer::TokenAndPos>>)
Dec 17 13:12:14.141 INFO [stderr]     |                     ----^^^^^^^^^^
Dec 17 13:12:14.141 INFO [stderr]     |                     |
Dec 17 13:12:14.141 INFO [stderr]     |                     help: remove this `mut`
Dec 17 13:12:14.141 INFO [stderr]     |
Dec 17 13:12:14.141 INFO [stderr]     = note: #[warn(unused_mut)] on by default
Dec 17 13:12:14.141 INFO [stderr] 
Dec 17 13:12:14.145 INFO [stderr] warning: variable does not need to be mutable
Dec 17 13:12:14.145 INFO [stderr]    --> src/evaluator.rs:271:34
Dec 17 13:12:14.145 INFO [stderr]     |
Dec 17 13:12:14.145 INFO [stderr] 271 | fn parse_and_eval_expression<'a>(mut token_iter: &mut Peekable<Iter<'a, lexer::TokenAndPos>>,
Dec 17 13:12:14.145 INFO [stderr]     |                                  ----^^^^^^^^^^
Dec 17 13:12:14.145 INFO [stderr]     |                                  |
Dec 17 13:12:14.146 INFO [stderr]     |                                  help: remove this `mut`
Dec 17 13:12:14.146 INFO [stderr] 
Dec 17 13:12:14.220 INFO [stderr] warning: variable does not need to be mutable
Dec 17 13:12:14.220 INFO [stderr]    --> src/evaluator.rs:209:21
Dec 17 13:12:14.220 INFO [stderr]     |
Dec 17 13:12:14.220 INFO [stderr] 209 | fn parse_expression(mut token_iter: &mut Peekable<Iter<lexer::TokenAndPos>>)
Dec 17 13:12:14.220 INFO [stderr]     |                     ----^^^^^^^^^^
Dec 17 13:12:14.221 INFO [stderr]     |                     |
Dec 17 13:12:14.221 INFO [stderr]     |                     help: remove this `mut`
Dec 17 13:12:14.221 INFO [stderr]     |
Dec 17 13:12:14.221 INFO [stderr]     = note: #[warn(unused_mut)] on by default
Dec 17 13:12:14.221 INFO [stderr] 
Dec 17 13:12:14.244 INFO [stderr] warning: variable does not need to be mutable
Dec 17 13:12:14.244 INFO [stderr]    --> src/evaluator.rs:271:34
Dec 17 13:12:14.244 INFO [stderr]     |
Dec 17 13:12:14.244 INFO [stderr] 271 | fn parse_and_eval_expression<'a>(mut token_iter: &mut Peekable<Iter<'a, lexer::TokenAndPos>>,
Dec 17 13:12:14.244 INFO [stderr]     |                                  ----^^^^^^^^^^
Dec 17 13:12:14.245 INFO [stderr]     |                                  |
Dec 17 13:12:14.245 INFO [stderr]     |                                  help: remove this `mut`
Dec 17 13:12:14.245 INFO [stderr] 
Dec 17 13:12:14.813 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 3.32s
Dec 17 13:12:16.105 INFO running `"docker" "inspect" "359aff3e38023bb1c7fa3a2dff0b0777059705d5ef00c573d74bc03f6adf022f"`
Dec 17 13:12:16.438 INFO running `"docker" "rm" "-f" "359aff3e38023bb1c7fa3a2dff0b0777059705d5ef00c573d74bc03f6adf022f"`
Dec 17 13:12:16.794 INFO [stdout] 359aff3e38023bb1c7fa3a2dff0b0777059705d5ef00c573d74bc03f6adf022f