Dec 19 06:43:41.188 INFO checking travisbhartwell/rbasic against try#e70472fc501b855c9080f3772432c10fe20b8866 for pr-56955
Dec 19 06:43:41.188 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56955/worker-0/try#e70472fc501b855c9080f3772432c10fe20b8866:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-56955/sources/try#e70472fc501b855c9080f3772432c10fe20b8866/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" "+e70472fc501b855c9080f3772432c10fe20b8866-alt" "check" "--frozen" "--all" "--all-targets"`
Dec 19 06:43:41.708 INFO [stdout] 362395f42e8727ef82355cc6623f6c7ab9a4fc7f1e98fce3ae49a4a40dac5799
Dec 19 06:43:41.710 INFO running `"docker" "start" "-a" "362395f42e8727ef82355cc6623f6c7ab9a4fc7f1e98fce3ae49a4a40dac5799"`
Dec 19 06:43:44.291 INFO [stderr]     Checking either v1.0.2
Dec 19 06:43:44.610 INFO [stderr]     Checking itertools v0.5.8
Dec 19 06:43:46.241 INFO [stderr]     Checking rbasic v0.1.0 (/opt/crater/workdir)
Dec 19 06:43:46.960 INFO [stderr] warning: variable does not need to be mutable
Dec 19 06:43:46.961 INFO [stderr]    --> src/evaluator.rs:209:21
Dec 19 06:43:46.961 INFO [stderr]     |
Dec 19 06:43:46.962 INFO [stderr] 209 | fn parse_expression(mut token_iter: &mut Peekable<Iter<lexer::TokenAndPos>>)
Dec 19 06:43:46.962 INFO [stderr]     |                     ----^^^^^^^^^^
Dec 19 06:43:46.962 INFO [stderr]     |                     |
Dec 19 06:43:46.963 INFO [stderr]     |                     help: remove this `mut`
Dec 19 06:43:46.963 INFO [stderr]     |
Dec 19 06:43:46.964 INFO [stderr]     = note: #[warn(unused_mut)] on by default
Dec 19 06:43:46.964 INFO [stderr] 
Dec 19 06:43:46.964 INFO [stderr] warning: variable does not need to be mutable
Dec 19 06:43:46.965 INFO [stderr]    --> src/evaluator.rs:271:34
Dec 19 06:43:46.965 INFO [stderr]     |
Dec 19 06:43:46.965 INFO [stderr] 271 | fn parse_and_eval_expression<'a>(mut token_iter: &mut Peekable<Iter<'a, lexer::TokenAndPos>>,
Dec 19 06:43:46.966 INFO [stderr]     |                                  ----^^^^^^^^^^
Dec 19 06:43:46.966 INFO [stderr]     |                                  |
Dec 19 06:43:46.966 INFO [stderr]     |                                  help: remove this `mut`
Dec 19 06:43:46.966 INFO [stderr] 
Dec 19 06:43:47.044 INFO [stderr] warning: variable does not need to be mutable
Dec 19 06:43:47.044 INFO [stderr]    --> src/evaluator.rs:209:21
Dec 19 06:43:47.044 INFO [stderr]     |
Dec 19 06:43:47.044 INFO [stderr] 209 | fn parse_expression(mut token_iter: &mut Peekable<Iter<lexer::TokenAndPos>>)
Dec 19 06:43:47.044 INFO [stderr]     |                     ----^^^^^^^^^^
Dec 19 06:43:47.044 INFO [stderr]     |                     |
Dec 19 06:43:47.044 INFO [stderr]     |                     help: remove this `mut`
Dec 19 06:43:47.044 INFO [stderr]     |
Dec 19 06:43:47.045 INFO [stderr]     = note: #[warn(unused_mut)] on by default
Dec 19 06:43:47.045 INFO [stderr] 
Dec 19 06:43:47.048 INFO [stderr] warning: variable does not need to be mutable
Dec 19 06:43:47.048 INFO [stderr]    --> src/evaluator.rs:271:34
Dec 19 06:43:47.048 INFO [stderr]     |
Dec 19 06:43:47.048 INFO [stderr] 271 | fn parse_and_eval_expression<'a>(mut token_iter: &mut Peekable<Iter<'a, lexer::TokenAndPos>>,
Dec 19 06:43:47.048 INFO [stderr]     |                                  ----^^^^^^^^^^
Dec 19 06:43:47.048 INFO [stderr]     |                                  |
Dec 19 06:43:47.048 INFO [stderr]     |                                  help: remove this `mut`
Dec 19 06:43:47.048 INFO [stderr] 
Dec 19 06:43:47.775 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 3.53s
Dec 19 06:43:48.762 INFO running `"docker" "inspect" "362395f42e8727ef82355cc6623f6c7ab9a4fc7f1e98fce3ae49a4a40dac5799"`
Dec 19 06:43:49.052 INFO running `"docker" "rm" "-f" "362395f42e8727ef82355cc6623f6c7ab9a4fc7f1e98fce3ae49a4a40dac5799"`
Dec 19 06:43:49.388 INFO [stdout] 362395f42e8727ef82355cc6623f6c7ab9a4fc7f1e98fce3ae49a4a40dac5799