[INFO] updating cached repository Pamplemousse/mathematical_expression_evaluation
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/Pamplemousse/mathematical_expression_evaluation
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/Pamplemousse/mathematical_expression_evaluation" "work/ex/pr-57967/sources/master#c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54/gh/Pamplemousse/mathematical_expression_evaluation"`
[INFO] [stderr] Cloning into 'work/ex/pr-57967/sources/master#c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54/gh/Pamplemousse/mathematical_expression_evaluation'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/Pamplemousse/mathematical_expression_evaluation" "work/ex/pr-57967/sources/try#7fea0229842e79db1159ea58ad9a653b288efee9/gh/Pamplemousse/mathematical_expression_evaluation"`
[INFO] [stderr] Cloning into 'work/ex/pr-57967/sources/try#7fea0229842e79db1159ea58ad9a653b288efee9/gh/Pamplemousse/mathematical_expression_evaluation'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] d245ccaa3c9a29ef822865c96f5078c164e0c3b1
[INFO] sha for GitHub repo Pamplemousse/mathematical_expression_evaluation: d245ccaa3c9a29ef822865c96f5078c164e0c3b1
[INFO] validating manifest of Pamplemousse/mathematical_expression_evaluation on toolchain master#c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of Pamplemousse/mathematical_expression_evaluation on toolchain try#7fea0229842e79db1159ea58ad9a653b288efee9
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+7fea0229842e79db1159ea58ad9a653b288efee9-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing Pamplemousse/mathematical_expression_evaluation
[INFO] finished frobbing Pamplemousse/mathematical_expression_evaluation
[INFO] frobbed toml for Pamplemousse/mathematical_expression_evaluation written to work/ex/pr-57967/sources/master#c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54/gh/Pamplemousse/mathematical_expression_evaluation/Cargo.toml
[INFO] started frobbing Pamplemousse/mathematical_expression_evaluation
[INFO] finished frobbing Pamplemousse/mathematical_expression_evaluation
[INFO] frobbed toml for Pamplemousse/mathematical_expression_evaluation written to work/ex/pr-57967/sources/try#7fea0229842e79db1159ea58ad9a653b288efee9/gh/Pamplemousse/mathematical_expression_evaluation/Cargo.toml
[INFO] crate Pamplemousse/mathematical_expression_evaluation has a lockfile. skipping
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+7fea0229842e79db1159ea58ad9a653b288efee9-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] testing Pamplemousse/mathematical_expression_evaluation against master#c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54 for pr-57967
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-57967/worker-3/master#c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-57967/sources/master#c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54/gh/Pamplemousse/mathematical_expression_evaluation:/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" "+c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54-alt" "build" "--frozen"`
[INFO] [stdout] acf1159aab69c7e63a14d536601acc1b549627f59c895f3c34b873ccd28fc8da
[INFO] running `"docker" "start" "-a" "acf1159aab69c7e63a14d536601acc1b549627f59c895f3c34b873ccd28fc8da"`
[INFO] [stderr]    Compiling math_eval v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: unused import: `self::literal::digit::Digit`
[INFO] [stderr]  --> src/tokenizer/token/mod.rs:8:5
[INFO] [stderr]   |
[INFO] [stderr] 8 | use self::literal::digit::Digit;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: #[warn(unused_imports)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `self::token::operator::Operator`
[INFO] [stderr]  --> src/tokenizer/mod.rs:5:5
[INFO] [stderr]   |
[INFO] [stderr] 5 | use self::token::operator::Operator;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `from`
[INFO] [stderr]   --> src/tokenizer/token/literal/mod.rs:14:5
[INFO] [stderr]    |
[INFO] [stderr] 14 |     pub fn from(string: String) -> Literal {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(dead_code)] on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.98s
[INFO] running `"docker" "inspect" "acf1159aab69c7e63a14d536601acc1b549627f59c895f3c34b873ccd28fc8da"`
[INFO] running `"docker" "rm" "-f" "acf1159aab69c7e63a14d536601acc1b549627f59c895f3c34b873ccd28fc8da"`
[INFO] [stdout] acf1159aab69c7e63a14d536601acc1b549627f59c895f3c34b873ccd28fc8da
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-57967/worker-3/master#c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-57967/sources/master#c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54/gh/Pamplemousse/mathematical_expression_evaluation:/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" "+c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54-alt" "test" "--frozen" "--no-run"`
[INFO] [stdout] 73a00e28370f777f3f6bf51008772a07dd754fc68f9dec8d9ab715848129ec3f
[INFO] running `"docker" "start" "-a" "73a00e28370f777f3f6bf51008772a07dd754fc68f9dec8d9ab715848129ec3f"`
[INFO] [stderr]    Compiling math_eval v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: unused import: `self::literal::digit::Digit`
[INFO] [stderr]  --> src/tokenizer/token/mod.rs:8:5
[INFO] [stderr]   |
[INFO] [stderr] 8 | use self::literal::digit::Digit;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: #[warn(unused_imports)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `self::token::operator::Operator`
[INFO] [stderr]  --> src/tokenizer/mod.rs:5:5
[INFO] [stderr]   |
[INFO] [stderr] 5 | use self::token::operator::Operator;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.05s
[INFO] running `"docker" "inspect" "73a00e28370f777f3f6bf51008772a07dd754fc68f9dec8d9ab715848129ec3f"`
[INFO] running `"docker" "rm" "-f" "73a00e28370f777f3f6bf51008772a07dd754fc68f9dec8d9ab715848129ec3f"`
[INFO] [stdout] 73a00e28370f777f3f6bf51008772a07dd754fc68f9dec8d9ab715848129ec3f
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-57967/worker-3/master#c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-57967/sources/master#c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54/gh/Pamplemousse/mathematical_expression_evaluation:/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" "+c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54-alt" "test" "--frozen"`
[INFO] [stdout] e782d5c89e35ab03e0cb63ee58d1fd57aa8ccc0e3bb1b8c4436ba957ca1aa588
[INFO] running `"docker" "start" "-a" "e782d5c89e35ab03e0cb63ee58d1fd57aa8ccc0e3bb1b8c4436ba957ca1aa588"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.03s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/math_eval-06999ec4c470f5cb
[INFO] [stdout] 
[INFO] [stdout] running 13 tests
[INFO] [stdout] test tokenizer::tests::tokenize_creates_tokens_from_a_string ... ok
[INFO] [stdout] test tokenizer::tests::tokenize_deals_with_multiple_digits_numbers ... ok
[INFO] [stdout] test tokenizer::tests::tokenize_deals_with_parentheses ... ok
[INFO] [stdout] test tokenizer::token::literal::digit::tests::each_digit_has_a_character_representation ... ok
[INFO] [stdout] test tokenizer::token::literal::digit::tests::operator_constructor_return_none_if_character_is_not_an_operator ... ok
[INFO] [stdout] test tokenizer::token::literal::tests::each_literal_can_be_represented_as_a_string ... ok
[INFO] [stdout] test tokenizer::token::operator::tests::operator_constructor_return_none_if_character_is_not_an_operator ... ok
[INFO] [stdout] test tokenizer::token::operator::tests::each_operator_has_a_character_representation ... ok
[INFO] [stdout] test tokenizer::token::operator::tests::operators_can_be_instanciated_from_characters ... ok
[INFO] [stdout] test tokenizer::token::literal::tests::literals_can_be_instanciated_from_strings ... ok
[INFO] [stdout] test tokenizer::token::literal::digit::tests::operators_can_be_instanciated_from_characters ... ok
[INFO] [stdout] test tokenizer::token::tests::some_tokens_can_be_instanciated_from_a_character ... ok
[INFO] [stdout] test tokenizer::token::tests::each_token_can_be_represented_as_a_string ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 13 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] running `"docker" "inspect" "e782d5c89e35ab03e0cb63ee58d1fd57aa8ccc0e3bb1b8c4436ba957ca1aa588"`
[INFO] running `"docker" "rm" "-f" "e782d5c89e35ab03e0cb63ee58d1fd57aa8ccc0e3bb1b8c4436ba957ca1aa588"`
[INFO] [stdout] e782d5c89e35ab03e0cb63ee58d1fd57aa8ccc0e3bb1b8c4436ba957ca1aa588