Nov 28 11:43:14.166 INFO checking Pamplemousse/mathematical_expression_evaluation against master#0b9f19dff1347e29bf4362ab5a8fab84b43023b5 for pr-56074
Nov 28 11:43:14.168 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56074/worker-4/master#0b9f19dff1347e29bf4362ab5a8fab84b43023b5:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-4/pr-56074/master#0b9f19dff1347e29bf4362ab5a8fab84b43023b5:/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 +0b9f19dff1347e29bf4362ab5a8fab84b43023b5-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 28 11:43:14.610 INFO [stdout] eabbcd51f6a555e900753af5a19a9758efe2f4195dcc6d10882f61e6873cb69c
Nov 28 11:43:14.611 INFO running `"docker" "start" "-a" "eabbcd51f6a555e900753af5a19a9758efe2f4195dcc6d10882f61e6873cb69c"`
Nov 28 11:43:15.925 INFO [stderr] usermod: no changes
Nov 28 11:43:15.997 INFO [stderr]     Checking math_eval v0.1.0 (/source)
Nov 28 11:43:16.512 INFO [stderr] warning: unused import: `self::literal::digit::Digit`
Nov 28 11:43:16.512 INFO [stderr]  --> src/tokenizer/token/mod.rs:8:5
Nov 28 11:43:16.512 INFO [stderr]   |
Nov 28 11:43:16.512 INFO [stderr] 8 | use self::literal::digit::Digit;
Nov 28 11:43:16.512 INFO [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 28 11:43:16.512 INFO [stderr]   |
Nov 28 11:43:16.512 INFO [stderr]   = note: #[warn(unused_imports)] on by default
Nov 28 11:43:16.512 INFO [stderr] 
Nov 28 11:43:16.512 INFO [stderr] warning: unused import: `self::token::operator::Operator`
Nov 28 11:43:16.512 INFO [stderr]  --> src/tokenizer/mod.rs:5:5
Nov 28 11:43:16.512 INFO [stderr]   |
Nov 28 11:43:16.512 INFO [stderr] 5 | use self::token::operator::Operator;
Nov 28 11:43:16.512 INFO [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 28 11:43:16.512 INFO [stderr] 
Nov 28 11:43:16.629 INFO [stderr] warning: method is never used: `from`
Nov 28 11:43:16.629 INFO [stderr]   --> src/tokenizer/token/literal/mod.rs:14:5
Nov 28 11:43:16.629 INFO [stderr]    |
Nov 28 11:43:16.630 INFO [stderr] 14 |     pub fn from(string: String) -> Literal {
Nov 28 11:43:16.630 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 28 11:43:16.630 INFO [stderr]    |
Nov 28 11:43:16.630 INFO [stderr]    = note: #[warn(dead_code)] on by default
Nov 28 11:43:16.631 INFO [stderr] 
Nov 28 11:43:16.816 INFO [stderr] warning: unused import: `self::literal::digit::Digit`
Nov 28 11:43:16.817 INFO [stderr]  --> src/tokenizer/token/mod.rs:8:5
Nov 28 11:43:16.817 INFO [stderr]   |
Nov 28 11:43:16.817 INFO [stderr] 8 | use self::literal::digit::Digit;
Nov 28 11:43:16.818 INFO [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 28 11:43:16.818 INFO [stderr]   |
Nov 28 11:43:16.818 INFO [stderr]   = note: #[warn(unused_imports)] on by default
Nov 28 11:43:16.819 INFO [stderr] 
Nov 28 11:43:16.819 INFO [stderr] warning: unused import: `self::token::operator::Operator`
Nov 28 11:43:16.819 INFO [stderr]  --> src/tokenizer/mod.rs:5:5
Nov 28 11:43:16.819 INFO [stderr]   |
Nov 28 11:43:16.820 INFO [stderr] 5 | use self::token::operator::Operator;
Nov 28 11:43:16.820 INFO [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 28 11:43:16.820 INFO [stderr] 
Nov 28 11:43:17.119 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.16s
Nov 28 11:43:17.137 INFO [stderr] su: No module specific data is present
Nov 28 11:43:17.860 INFO running `"docker" "inspect" "eabbcd51f6a555e900753af5a19a9758efe2f4195dcc6d10882f61e6873cb69c"`
Nov 28 11:43:18.105 INFO running `"docker" "rm" "-f" "eabbcd51f6a555e900753af5a19a9758efe2f4195dcc6d10882f61e6873cb69c"`
Nov 28 11:43:18.360 INFO [stdout] eabbcd51f6a555e900753af5a19a9758efe2f4195dcc6d10882f61e6873cb69c