Dec 11 07:21:51.802 INFO checking travisbhartwell/rbasic against master#3a75e80557a103497cffbcab395a2f37061a77ea for pr-56677
Dec 11 07:21:51.802 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56677/worker-4/master#3a75e80557a103497cffbcab395a2f37061a77ea:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-4/pr-56677/master#3a75e80557a103497cffbcab395a2f37061a77ea:/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 +3a75e80557a103497cffbcab395a2f37061a77ea-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"`
Dec 11 07:21:52.132 INFO [stdout] 0f2b6898373e912c41768b93846fd4804f1b5344f70e576f7cd5daa025527101
Dec 11 07:21:52.140 INFO running `"docker" "start" "-a" "0f2b6898373e912c41768b93846fd4804f1b5344f70e576f7cd5daa025527101"`
Dec 11 07:21:53.852 INFO [stderr] usermod: no changes
Dec 11 07:21:53.930 INFO [stderr]     Checking rbasic v0.1.0 (/source)
Dec 11 07:21:54.662 INFO [stderr] warning: variable does not need to be mutable
Dec 11 07:21:54.662 INFO [stderr]    --> src/evaluator.rs:209:21
Dec 11 07:21:54.662 INFO [stderr]     |
Dec 11 07:21:54.662 INFO [stderr] 209 | fn parse_expression(mut token_iter: &mut Peekable<Iter<lexer::TokenAndPos>>)
Dec 11 07:21:54.662 INFO [stderr]     |                     ----^^^^^^^^^^
Dec 11 07:21:54.662 INFO [stderr]     |                     |
Dec 11 07:21:54.662 INFO [stderr]     |                     help: remove this `mut`
Dec 11 07:21:54.662 INFO [stderr]     |
Dec 11 07:21:54.662 INFO [stderr]     = note: #[warn(unused_mut)] on by default
Dec 11 07:21:54.662 INFO [stderr] 
Dec 11 07:21:54.676 INFO [stderr] warning: variable does not need to be mutable
Dec 11 07:21:54.676 INFO [stderr]    --> src/evaluator.rs:271:34
Dec 11 07:21:54.676 INFO [stderr]     |
Dec 11 07:21:54.676 INFO [stderr] 271 | fn parse_and_eval_expression<'a>(mut token_iter: &mut Peekable<Iter<'a, lexer::TokenAndPos>>,
Dec 11 07:21:54.676 INFO [stderr]     |                                  ----^^^^^^^^^^
Dec 11 07:21:54.676 INFO [stderr]     |                                  |
Dec 11 07:21:54.676 INFO [stderr]     |                                  help: remove this `mut`
Dec 11 07:21:54.676 INFO [stderr] 
Dec 11 07:21:54.816 INFO [stderr] warning: variable does not need to be mutable
Dec 11 07:21:54.816 INFO [stderr]    --> src/evaluator.rs:209:21
Dec 11 07:21:54.816 INFO [stderr]     |
Dec 11 07:21:54.816 INFO [stderr] 209 | fn parse_expression(mut token_iter: &mut Peekable<Iter<lexer::TokenAndPos>>)
Dec 11 07:21:54.816 INFO [stderr]     |                     ----^^^^^^^^^^
Dec 11 07:21:54.816 INFO [stderr]     |                     |
Dec 11 07:21:54.816 INFO [stderr]     |                     help: remove this `mut`
Dec 11 07:21:54.816 INFO [stderr]     |
Dec 11 07:21:54.816 INFO [stderr]     = note: #[warn(unused_mut)] on by default
Dec 11 07:21:54.816 INFO [stderr] 
Dec 11 07:21:54.816 INFO [stderr] warning: variable does not need to be mutable
Dec 11 07:21:54.816 INFO [stderr]    --> src/evaluator.rs:271:34
Dec 11 07:21:54.816 INFO [stderr]     |
Dec 11 07:21:54.816 INFO [stderr] 271 | fn parse_and_eval_expression<'a>(mut token_iter: &mut Peekable<Iter<'a, lexer::TokenAndPos>>,
Dec 11 07:21:54.816 INFO [stderr]     |                                  ----^^^^^^^^^^
Dec 11 07:21:54.816 INFO [stderr]     |                                  |
Dec 11 07:21:54.816 INFO [stderr]     |                                  help: remove this `mut`
Dec 11 07:21:54.816 INFO [stderr] 
Dec 11 07:21:55.797 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.91s
Dec 11 07:21:55.803 INFO [stderr] su: No module specific data is present
Dec 11 07:21:56.654 INFO running `"docker" "inspect" "0f2b6898373e912c41768b93846fd4804f1b5344f70e576f7cd5daa025527101"`
Dec 11 07:21:56.968 INFO running `"docker" "rm" "-f" "0f2b6898373e912c41768b93846fd4804f1b5344f70e576f7cd5daa025527101"`
Dec 11 07:21:57.248 INFO [stdout] 0f2b6898373e912c41768b93846fd4804f1b5344f70e576f7cd5daa025527101