Nov 30 09:14:03.661 INFO checking Pamplemousse/mathematical_expression_evaluation against try#32252761328f59ccfadb1bafb8148c685bc830b3 for pr-56323
Nov 30 09:14:03.661 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56323/worker-6/try#32252761328f59ccfadb1bafb8148c685bc830b3:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-6/pr-56323/try#32252761328f59ccfadb1bafb8148c685bc830b3:/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 +32252761328f59ccfadb1bafb8148c685bc830b3-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 30 09:14:04.122 INFO [stdout] 13896977434e3d25aa29d58acc40e7a8653388a6751ccdf7c3578a99d7bc33a6
Nov 30 09:14:04.124 INFO running `"docker" "start" "-a" "13896977434e3d25aa29d58acc40e7a8653388a6751ccdf7c3578a99d7bc33a6"`
Nov 30 09:14:05.793 INFO [stderr] usermod: no changes
Nov 30 09:14:05.854 INFO [stderr]     Checking math_eval v0.1.0 (/source)
Nov 30 09:14:06.716 INFO [stderr] warning: unused import: `self::literal::digit::Digit`
Nov 30 09:14:06.724 INFO [stderr]  --> src/tokenizer/token/mod.rs:8:5
Nov 30 09:14:06.724 INFO [stderr]   |
Nov 30 09:14:06.724 INFO [stderr] 8 | use self::literal::digit::Digit;
Nov 30 09:14:06.724 INFO [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 30 09:14:06.724 INFO [stderr]   |
Nov 30 09:14:06.724 INFO [stderr]   = note: #[warn(unused_imports)] on by default
Nov 30 09:14:06.724 INFO [stderr] 
Nov 30 09:14:06.724 INFO [stderr] warning: unused import: `self::token::operator::Operator`
Nov 30 09:14:06.724 INFO [stderr]  --> src/tokenizer/mod.rs:5:5
Nov 30 09:14:06.724 INFO [stderr]   |
Nov 30 09:14:06.724 INFO [stderr] 5 | use self::token::operator::Operator;
Nov 30 09:14:06.724 INFO [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 30 09:14:06.724 INFO [stderr] 
Nov 30 09:14:06.827 INFO [stderr] warning: method is never used: `from`
Nov 30 09:14:06.827 INFO [stderr]   --> src/tokenizer/token/literal/mod.rs:14:5
Nov 30 09:14:06.827 INFO [stderr]    |
Nov 30 09:14:06.827 INFO [stderr] 14 |     pub fn from(string: String) -> Literal {
Nov 30 09:14:06.827 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 30 09:14:06.827 INFO [stderr]    |
Nov 30 09:14:06.827 INFO [stderr]    = note: #[warn(dead_code)] on by default
Nov 30 09:14:06.827 INFO [stderr] 
Nov 30 09:14:06.976 INFO [stderr] warning: unused import: `self::literal::digit::Digit`
Nov 30 09:14:06.976 INFO [stderr]  --> src/tokenizer/token/mod.rs:8:5
Nov 30 09:14:06.976 INFO [stderr]   |
Nov 30 09:14:06.976 INFO [stderr] 8 | use self::literal::digit::Digit;
Nov 30 09:14:06.976 INFO [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 30 09:14:06.976 INFO [stderr]   |
Nov 30 09:14:06.976 INFO [stderr]   = note: #[warn(unused_imports)] on by default
Nov 30 09:14:06.976 INFO [stderr] 
Nov 30 09:14:06.976 INFO [stderr] warning: unused import: `self::token::operator::Operator`
Nov 30 09:14:06.976 INFO [stderr]  --> src/tokenizer/mod.rs:5:5
Nov 30 09:14:06.976 INFO [stderr]   |
Nov 30 09:14:06.976 INFO [stderr] 5 | use self::token::operator::Operator;
Nov 30 09:14:06.976 INFO [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 30 09:14:06.976 INFO [stderr] 
Nov 30 09:14:07.323 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.51s
Nov 30 09:14:07.325 INFO [stderr] su: No module specific data is present
Nov 30 09:14:08.284 INFO running `"docker" "inspect" "13896977434e3d25aa29d58acc40e7a8653388a6751ccdf7c3578a99d7bc33a6"`
Nov 30 09:14:08.532 INFO running `"docker" "rm" "-f" "13896977434e3d25aa29d58acc40e7a8653388a6751ccdf7c3578a99d7bc33a6"`
Nov 30 09:14:08.720 INFO [stdout] 13896977434e3d25aa29d58acc40e7a8653388a6751ccdf7c3578a99d7bc33a6