[INFO] crate test-case-derive 0.2.1 is already in cache
[INFO] extracting crate test-case-derive 0.2.1 into work/ex/pr-57967/sources/master#c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54/reg/test-case-derive/0.2.1
[INFO] extracting crate test-case-derive 0.2.1 into work/ex/pr-57967/sources/try#7fea0229842e79db1159ea58ad9a653b288efee9/reg/test-case-derive/0.2.1
[INFO] validating manifest of test-case-derive-0.2.1 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 test-case-derive-0.2.1 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 test-case-derive-0.2.1
[INFO] finished frobbing test-case-derive-0.2.1
[INFO] frobbed toml for test-case-derive-0.2.1 written to work/ex/pr-57967/sources/master#c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54/reg/test-case-derive/0.2.1/Cargo.toml
[INFO] started frobbing test-case-derive-0.2.1
[INFO] finished frobbing test-case-derive-0.2.1
[INFO] frobbed toml for test-case-derive-0.2.1 written to work/ex/pr-57967/sources/try#7fea0229842e79db1159ea58ad9a653b288efee9/reg/test-case-derive/0.2.1/Cargo.toml
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54-alt" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+7fea0229842e79db1159ea58ad9a653b288efee9-alt" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[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 test-case-derive-0.2.1 against master#c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54 for pr-57967
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-57967/worker-5/master#c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-57967/sources/master#c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54/reg/test-case-derive/0.2.1:/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] 2555edcdff656a679da7988e2be5ca97b314c490b7233601db1d4e9c120e5e86
[INFO] running `"docker" "start" "-a" "2555edcdff656a679da7988e2be5ca97b314c490b7233601db1d4e9c120e5e86"`
[INFO] [stderr]    Compiling test-case-derive v0.2.1 (/opt/crater/workdir)
[INFO] [stderr] warning: use of deprecated item 'std::ascii::AsciiExt': use inherent methods instead
[INFO] [stderr]  --> src/prelude.rs:3:9
[INFO] [stderr]   |
[INFO] [stderr] 3 | pub use std::ascii::AsciiExt;
[INFO] [stderr]   |         ^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: #[warn(deprecated)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'core::str::<impl str>::trim_right_matches': superseded by `trim_end_matches`
[INFO] [stderr]  --> src/utils/escape_ident.rs:6:13
[INFO] [stderr]   |
[INFO] [stderr] 6 |     escaped.trim_right_matches('_');
[INFO] [stderr]   |             ^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: the feature `proc_macro` has been stable since 1.29.0 and no longer requires an attribute to enable
[INFO] [stderr]    --> src/lib.rs:214:12
[INFO] [stderr]     |
[INFO] [stderr] 214 | #![feature(proc_macro)]
[INFO] [stderr]     |            ^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(stable_features)] on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.98s
[INFO] running `"docker" "inspect" "2555edcdff656a679da7988e2be5ca97b314c490b7233601db1d4e9c120e5e86"`
[INFO] running `"docker" "rm" "-f" "2555edcdff656a679da7988e2be5ca97b314c490b7233601db1d4e9c120e5e86"`
[INFO] [stdout] 2555edcdff656a679da7988e2be5ca97b314c490b7233601db1d4e9c120e5e86
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-57967/worker-5/master#c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-57967/sources/master#c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54/reg/test-case-derive/0.2.1:/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] 597db617f53fb15d44d01df3d1dec505d0e83596b4817b4a59f0d4d8f6944407
[INFO] running `"docker" "start" "-a" "597db617f53fb15d44d01df3d1dec505d0e83596b4817b4a59f0d4d8f6944407"`
[INFO] [stderr]    Compiling test-case-derive v0.2.1 (/opt/crater/workdir)
[INFO] [stderr] warning: use of deprecated item 'std::ascii::AsciiExt': use inherent methods instead
[INFO] [stderr]  --> src/prelude.rs:3:9
[INFO] [stderr]   |
[INFO] [stderr] 3 | pub use std::ascii::AsciiExt;
[INFO] [stderr]   |         ^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: #[warn(deprecated)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'core::str::<impl str>::trim_right_matches': superseded by `trim_end_matches`
[INFO] [stderr]  --> src/utils/escape_ident.rs:6:13
[INFO] [stderr]   |
[INFO] [stderr] 6 |     escaped.trim_right_matches('_');
[INFO] [stderr]   |             ^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: the feature `proc_macro` has been stable since 1.29.0 and no longer requires an attribute to enable
[INFO] [stderr]  --> tests/test_cases.rs:2:12
[INFO] [stderr]   |
[INFO] [stderr] 2 | #![feature(proc_macro)]
[INFO] [stderr]   |            ^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: #[warn(stable_features)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: the feature `proc_macro` has been stable since 1.29.0 and no longer requires an attribute to enable
[INFO] [stderr]    --> src/lib.rs:214:12
[INFO] [stderr]     |
[INFO] [stderr] 214 | #![feature(proc_macro)]
[INFO] [stderr]     |            ^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(stable_features)] on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.20s
[INFO] running `"docker" "inspect" "597db617f53fb15d44d01df3d1dec505d0e83596b4817b4a59f0d4d8f6944407"`
[INFO] running `"docker" "rm" "-f" "597db617f53fb15d44d01df3d1dec505d0e83596b4817b4a59f0d4d8f6944407"`
[INFO] [stdout] 597db617f53fb15d44d01df3d1dec505d0e83596b4817b4a59f0d4d8f6944407
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-57967/worker-5/master#c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-57967/sources/master#c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54/reg/test-case-derive/0.2.1:/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] d9c05a713d324ae0738ccd887472a4a7c72069f13c55eb7569aea844bd550b3d
[INFO] running `"docker" "start" "-a" "d9c05a713d324ae0738ccd887472a4a7c72069f13c55eb7569aea844bd550b3d"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/test_case_derive-d36988123ed03efd
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stderr]      Running /opt/crater/target/debug/deps/acceptance_tests-bdd9adf49740237c
[INFO] [stdout] 
[INFO] [stdout] running 7 tests
[INFO] [stdout] test acceptance::escapes_unnecessary_leading_underscore ... ok
[INFO] [stdout] test acceptance::runs_all_tests ... ok
[INFO] [stdout] test acceptance::removes_repeated_underscores ... ok
[INFO] [stdout] test acceptance::escapes_names_starting_with_digit ... ok
[INFO] [stdout] test acceptance::lowers_test_case_name ... ok
[INFO] [stdout] test acceptance::marks_inconclusive_tests_as_ignored ... ok
[INFO] [stdout] test acceptance::escapes_rust_keywords ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 7 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stderr]      Running /opt/crater/target/debug/deps/test_cases-c1c9bfcfac0af1fb
[INFO] [stdout] 
[INFO] [stdout] running 32 tests
[INFO] [stdout] test test_cases::abs_tests::returns_opposite_number_for_non_positive_input ... ok
[INFO] [stdout] test test_cases::abs_tests::returns_given_number_for_positive_input ... ok
[INFO] [stdout] test test_cases::abs_tests::returns_0_for_0 ... ok
[INFO] [stdout] test test_cases::arg_expressions::_2_4_6_to_string ... ok
[INFO] [stdout] test test_cases::basic_test::_1 ... ok
[INFO] [stdout] test test_cases::fancy_addition::some_2_3_some_4 ... ok
[INFO] [stdout] test test_cases::inconclusive_tests::this_test_is_inconclusive_and_will_always_be ... ignored
[INFO] [stdout] test test_cases::lowercase_test_name::dummy_code ... ok
[INFO] [stdout] test test_cases::leading_underscore_in_test_name::dummy ... ok
[INFO] [stdout] test test_cases::keyword_test::_true ... ok
[INFO] [stdout] test test_cases::inconclusive_tests::should_not_take_into_account_keyword_on_argument_position ... ok
[INFO] [stdout] test test_cases::fancy_addition::treats_none_as_0 ... ok
[INFO] [stdout] test test_cases::fancy_addition::some_2_some_3 ... ok
[INFO] [stdout] test test_cases::name::_4_5 ... ok
[INFO] [stdout] test test_cases::multiplication_tests::when_both_operands_are_possitive ... ok
[INFO] [stdout] test test_cases::multiplication_tests::when_operands_are_swapped ... ok
[INFO] [stdout] test test_cases::multiplication_tests::when_both_operands_are_negative ... ok
[INFO] [stdout] test test_cases::name::_2nd_test ... ok
[INFO] [stdout] test test_cases::multiple_test_cases::_4 ... ok
[INFO] [stdout] test test_cases::multiple_test_cases::_2 ... ok
[INFO] [stdout] test test_cases::result_and_name::_4_5 ... ok
[INFO] [stdout] test test_cases::result::_4 ... ok
[INFO] [stdout] test test_cases::nested::using_fn_from_super::_20_22 ... ok
[INFO] [stdout] test test_cases::nested::nested_test_case::_1_1 ... ok
[INFO] [stdout] test test_cases::name::test_3_6_9 ... ok
[INFO] [stdout] test test_cases::name::test_1_8_9 ... ok
[INFO] [stdout] test test_cases::result_and_name::test_no_1 ... ok
[INFO] [stdout] test test_cases::result_expresion_with_name::test_result_expression ... ok
[INFO] [stdout] test test_cases::result_expression::_2_2 ... ok
[INFO] [stdout] test test_cases::result_with_mod_sep::_42 ... ok
[INFO] [stdout] test test_cases::result::_2 ... ok
[INFO] [stdout] test test_cases::nested::using_fn_from_super::_42 ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 31 passed; 0 failed; 1 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] running `"docker" "inspect" "d9c05a713d324ae0738ccd887472a4a7c72069f13c55eb7569aea844bd550b3d"`
[INFO] running `"docker" "rm" "-f" "d9c05a713d324ae0738ccd887472a4a7c72069f13c55eb7569aea844bd550b3d"`
[INFO] [stdout] d9c05a713d324ae0738ccd887472a4a7c72069f13c55eb7569aea844bd550b3d