Dec 05 00:43:48.200 INFO checking Pamplemousse/mathematical_expression_evaluation against try#1df97983eb2057dc6a8f7eb364e263b51ae23230 for pr-56481
Dec 05 00:43:48.200 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56481/worker-0/try#1df97983eb2057dc6a8f7eb364e263b51ae23230:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-0/pr-56481/try#1df97983eb2057dc6a8f7eb364e263b51ae23230:/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 +1df97983eb2057dc6a8f7eb364e263b51ae23230-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 05 00:43:48.730 INFO [stdout] 4f5893cea3f949488d81629901a94371b23fb1bf779c259b63e80b38e410c55e
Dec 05 00:43:48.732 INFO running `"docker" "start" "-a" "4f5893cea3f949488d81629901a94371b23fb1bf779c259b63e80b38e410c55e"`
Dec 05 00:43:50.147 INFO [stderr] usermod: no changes
Dec 05 00:43:50.243 INFO [stderr]     Checking math_eval v0.1.0 (/source)
Dec 05 00:43:50.962 INFO [stderr] warning: unused import: `self::literal::digit::Digit`
Dec 05 00:43:50.963 INFO [stderr]  --> src/tokenizer/token/mod.rs:8:5
Dec 05 00:43:50.963 INFO [stderr]   |
Dec 05 00:43:50.963 INFO [stderr] 8 | use self::literal::digit::Digit;
Dec 05 00:43:50.963 INFO [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 05 00:43:50.963 INFO [stderr]   |
Dec 05 00:43:50.963 INFO [stderr]   = note: #[warn(unused_imports)] on by default
Dec 05 00:43:50.963 INFO [stderr] 
Dec 05 00:43:50.963 INFO [stderr] warning: unused import: `self::token::operator::Operator`
Dec 05 00:43:50.963 INFO [stderr]  --> src/tokenizer/mod.rs:5:5
Dec 05 00:43:50.963 INFO [stderr]   |
Dec 05 00:43:50.963 INFO [stderr] 5 | use self::token::operator::Operator;
Dec 05 00:43:50.963 INFO [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 05 00:43:50.964 INFO [stderr] 
Dec 05 00:43:51.094 INFO [stderr] warning: method is never used: `from`
Dec 05 00:43:51.094 INFO [stderr]   --> src/tokenizer/token/literal/mod.rs:14:5
Dec 05 00:43:51.094 INFO [stderr]    |
Dec 05 00:43:51.094 INFO [stderr] 14 |     pub fn from(string: String) -> Literal {
Dec 05 00:43:51.094 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 05 00:43:51.096 INFO [stderr]    |
Dec 05 00:43:51.096 INFO [stderr]    = note: #[warn(dead_code)] on by default
Dec 05 00:43:51.096 INFO [stderr] 
Dec 05 00:43:51.147 INFO [stderr] warning: unused import: `self::literal::digit::Digit`
Dec 05 00:43:51.147 INFO [stderr]  --> src/tokenizer/token/mod.rs:8:5
Dec 05 00:43:51.147 INFO [stderr]   |
Dec 05 00:43:51.147 INFO [stderr] 8 | use self::literal::digit::Digit;
Dec 05 00:43:51.147 INFO [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 05 00:43:51.147 INFO [stderr]   |
Dec 05 00:43:51.147 INFO [stderr]   = note: #[warn(unused_imports)] on by default
Dec 05 00:43:51.147 INFO [stderr] 
Dec 05 00:43:51.147 INFO [stderr] warning: unused import: `self::token::operator::Operator`
Dec 05 00:43:51.147 INFO [stderr]  --> src/tokenizer/mod.rs:5:5
Dec 05 00:43:51.147 INFO [stderr]   |
Dec 05 00:43:51.147 INFO [stderr] 5 | use self::token::operator::Operator;
Dec 05 00:43:51.147 INFO [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 05 00:43:51.147 INFO [stderr] 
Dec 05 00:43:51.528 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.34s
Dec 05 00:43:51.530 INFO [stderr] su: No module specific data is present
Dec 05 00:43:52.655 INFO running `"docker" "inspect" "4f5893cea3f949488d81629901a94371b23fb1bf779c259b63e80b38e410c55e"`
Dec 05 00:43:53.003 INFO running `"docker" "rm" "-f" "4f5893cea3f949488d81629901a94371b23fb1bf779c259b63e80b38e410c55e"`
Dec 05 00:43:53.347 INFO [stdout] 4f5893cea3f949488d81629901a94371b23fb1bf779c259b63e80b38e410c55e