[INFO] crate lamcal 0.4.0 is already in cache [INFO] extracting crate lamcal 0.4.0 into work/ex/beta-1.37-6/sources/1.36.0/reg/lamcal/0.4.0 [INFO] extracting crate lamcal 0.4.0 into work/ex/beta-1.37-6/sources/beta-2019-07-23/reg/lamcal/0.4.0 [INFO] validating manifest of lamcal-0.4.0 on toolchain 1.36.0 [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.36.0" "read-manifest" "--manifest-path" "Cargo.toml"` [INFO] validating manifest of lamcal-0.4.0 on toolchain beta-2019-07-23 [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-07-23" "read-manifest" "--manifest-path" "Cargo.toml"` [INFO] started frobbing lamcal-0.4.0 [INFO] finished frobbing lamcal-0.4.0 [INFO] frobbed toml for lamcal-0.4.0 written to work/ex/beta-1.37-6/sources/1.36.0/reg/lamcal/0.4.0/Cargo.toml [INFO] started frobbing lamcal-0.4.0 [INFO] finished frobbing lamcal-0.4.0 [INFO] frobbed toml for lamcal-0.4.0 written to work/ex/beta-1.37-6/sources/beta-2019-07-23/reg/lamcal/0.4.0/Cargo.toml [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.36.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"` [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-07-23" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"` [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.36.0" "fetch" "--locked" "--manifest-path" "Cargo.toml"` [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-07-23" "fetch" "--locked" "--manifest-path" "Cargo.toml"` [INFO] testing lamcal-0.4.0 against 1.36.0 for beta-1.37-6 [INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-1/1.36.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/1.36.0/reg/lamcal/0.4.0:/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=warn" "-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" "+1.36.0" "build" "--frozen"` [INFO] [stdout] eaed5015c9c8a83b3193325064cc51dd13e1aee29de5d9b1556f05ce32cf23a7 [INFO] running `"docker" "start" "-a" "eaed5015c9c8a83b3193325064cc51dd13e1aee29de5d9b1556f05ce32cf23a7"` [INFO] [stderr] Compiling lamcal v0.4.0 (/opt/crater/workdir) [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> src/reduction/mod.rs:734:25 [INFO] [stderr] | [INFO] [stderr] 734 | if let Some(mut expand_with) = maybe_expand_with { [INFO] [stderr] | ----^^^^^^^^^^^ [INFO] [stderr] | | [INFO] [stderr] | help: remove this `mut` [INFO] [stderr] | [INFO] [stderr] = note: #[warn(unused_mut)] on by default [INFO] [stderr] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 3.06s [INFO] running `"docker" "inspect" "eaed5015c9c8a83b3193325064cc51dd13e1aee29de5d9b1556f05ce32cf23a7"` [INFO] running `"docker" "rm" "-f" "eaed5015c9c8a83b3193325064cc51dd13e1aee29de5d9b1556f05ce32cf23a7"` [INFO] [stdout] eaed5015c9c8a83b3193325064cc51dd13e1aee29de5d9b1556f05ce32cf23a7 [INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-1/1.36.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/1.36.0/reg/lamcal/0.4.0:/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=warn" "-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" "+1.36.0" "test" "--frozen" "--no-run"` [INFO] [stdout] 2ca98b5555d0c69a88766f17a92fc3b5ff83f43ea1b524ff7ab370e118d4f4e3 [INFO] running `"docker" "start" "-a" "2ca98b5555d0c69a88766f17a92fc3b5ff83f43ea1b524ff7ab370e118d4f4e3"` [INFO] [stderr] Compiling rand v0.5.6 [INFO] [stderr] Compiling criterion v0.2.11 [INFO] [stderr] Compiling proptest v0.8.7 [INFO] [stderr] Compiling lamcal v0.4.0 (/opt/crater/workdir) [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> src/reduction/mod.rs:734:25 [INFO] [stderr] | [INFO] [stderr] 734 | if let Some(mut expand_with) = maybe_expand_with { [INFO] [stderr] | ----^^^^^^^^^^^ [INFO] [stderr] | | [INFO] [stderr] | help: remove this `mut` [INFO] [stderr] | [INFO] [stderr] = note: #[warn(unused_mut)] on by default [INFO] [stderr] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 44.91s [INFO] running `"docker" "inspect" "2ca98b5555d0c69a88766f17a92fc3b5ff83f43ea1b524ff7ab370e118d4f4e3"` [INFO] running `"docker" "rm" "-f" "2ca98b5555d0c69a88766f17a92fc3b5ff83f43ea1b524ff7ab370e118d4f4e3"` [INFO] [stdout] 2ca98b5555d0c69a88766f17a92fc3b5ff83f43ea1b524ff7ab370e118d4f4e3 [INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-1/1.36.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/1.36.0/reg/lamcal/0.4.0:/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=warn" "-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" "+1.36.0" "test" "--frozen"` [INFO] [stdout] fa196b1295af5922e5284989fd6d2cfc58b43b78acb2e4aa96646e7189fd30b9 [INFO] running `"docker" "start" "-a" "fa196b1295af5922e5284989fd6d2cfc58b43b78acb2e4aa96646e7189fd30b9"` [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 0.10s [INFO] [stderr] Running /opt/crater/target/debug/deps/lamcal-ad8d87a1d389054b [INFO] [stdout] [INFO] [stdout] running 169 tests [INFO] [stdout] test church_encoded::numeral::tests::from_unsigned_integer::into_zero ... ok [INFO] [stdout] test church_encoded::numeral::tests::from_unsigned_integer::into_two ... ok [INFO] [stdout] test church_encoded::numeral::tests::from_unsigned_integer::into_three ... ok [INFO] [stdout] test church_encoded::numeral::tests::from_unsigned_integer::into_one ... ok [INFO] [stdout] test church_encoded::numeral::tests::from_unsigned_integer::u64_two ... ok [INFO] [stdout] test church_encoded::numeral::tests::from_unsigned_integer::u8_two ... ok [INFO] [stdout] test church_encoded::numeral::tests::from_unsigned_integer::u32_two ... ok [INFO] [stdout] test inspect::tests::bitand_stop::no_and_no_returns_no ... ok [INFO] [stdout] test church_encoded::numeral::tests::from_unsigned_integer::u16_two ... ok [INFO] [stdout] test church_encoded::numeral::tests::from_unsigned_integer::u128_two ... ok [INFO] [stdout] test inspect::tests::bitand_stop::no_and_yes_returns_no ... ok [INFO] [stdout] test inspect::tests::bitor_stop::no_and_no_returns_no ... ok [INFO] [stdout] test inspect::tests::bitand_stop::yes_and_no_returns_no ... ok [INFO] [stdout] test inspect::tests::bitor_stop::yes_and_yes_returns_yes ... ok [INFO] [stdout] test inspect::tests::bitor_stop::yes_and_no_returns_yes ... ok [INFO] [stdout] test inspect::tests::bitor_stop::no_and_yes_returns_yes ... ok [INFO] [stdout] test inspect::tests::bitand_stop::yes_and_yes_returns_yes ... ok [INFO] [stdout] test inspect::tests::trace::reduction_of_expression_1 ... ok [INFO] [stdout] test parser::tests::parse::ignores_whitespace_between_closing_paren_and_expr2 ... ok [INFO] [stdout] test parser::tests::parse::ignores_whitespace_between_dot_and_abstraction_body ... ok [INFO] [stdout] test parser::tests::parse::ignores_whitespace_between_expression_and_closing_paren ... ok [INFO] [stdout] test parser::tests::parse::ignores_whitespace_between_bound_variable_and_dot ... ok [INFO] [stdout] test parser::tests::parse::ignores_whitespace_between_lambda_and_bound_variable ... ok [INFO] [stdout] test parser::tests::parse::parse_abstraction_of_abstraction_with_application_in_body ... ok [INFO] [stdout] test parser::tests::parse::parse_complex_example1 ... ok [INFO] [stdout] test parser::tests::parse::parse_application_ignoring_leading_whitespace ... ok [INFO] [stdout] test parser::tests::parse::ignores_whitespace_between_opening_paren_and_expression ... ok [INFO] [stdout] test parser::tests::parse::parse_sequence_of_two_variables ... ok [INFO] [stdout] test parser::tests::parse::parse_identity_combinator ... ok [INFO] [stdout] test parser::tests::parse::parse_sequence_of_three_variables ... ok [INFO] [stdout] test parser::tests::parse::parse_application_ignoring_trailing_whitespace ... ok [INFO] [stdout] test parser::tests::parse_tokens::parse_empty_token_list ... ok [INFO] [stdout] test parser::tests::token::display_format_a_body_separator_token ... ok [INFO] [stdout] test parser::tests::token::display_format_a_lambda_token ... ok [INFO] [stdout] test parser::tests::token::display_format_a_left_paren_token ... ok [INFO] [stdout] test parser::tests::token::display_format_a_right_paren_token ... ok [INFO] [stdout] test parser::tests::parse::parse_variable ... ok [INFO] [stdout] test parser::tests::token::display_format_an_identifier_token ... ok [INFO] [stdout] test parser::tests::parse::parse_variable_surrounded_by_whitespace ... ok [INFO] [stdout] test parser::tests::tokenize::a_sequence_of_two_identifiers_with_parens ... ok [INFO] [stdout] test parser::tests::tokenize::a_sequence_of_two_identifiers ... ok [INFO] [stdout] test parser::tests::tokenize::a_sequence_of_three_identifiers ... ok [INFO] [stdout] test parser::tests::tokenize::an_abstraction_with_a_sequence_of_identifiers_in_the_body ... ok [INFO] [stdout] test parser::tests::tokenize::an_identifier_before_left_paren_no_whitespace ... ok [INFO] [stdout] test parser::tests::tokenize::empty_string ... ok [INFO] [stdout] test parser::tests::tokenize::an_identifier_before_lambda_no_whitespace ... ok [INFO] [stdout] test parser::tests::tokenize::an_identifier_bound_to_an_abstraction ... ok [INFO] [stdout] test parser::tests::tokenize::identifier ... ok [INFO] [stdout] test parser::tests::tokenize::identifier_surrounded_by_whitespace ... ok [INFO] [stdout] test parser::tests::tokenize::identifier_with_an_invalid_character_in_the_middle_or_end ... FAILED [INFO] [stdout] test reduction::tests::alpha::does_not_rename_free_x_in_all_bodies ... ok [INFO] [stdout] test reduction::tests::alpha::does_not_rename_free_x_in_body ... ok [INFO] [stdout] test reduction::tests::alpha::renames_bound_x_in_second_level_lambda_abstraction ... ok [INFO] [stdout] test reduction::tests::alpha::renames_bound_x_to_x2_when_x1_is_free_variable_in_body ... ok [INFO] [stdout] test reduction::tests::alpha::renames_outer_bound_x_and_shadowing_inner_bound_x ... ok [INFO] [stdout] test parser::tests::tokenize::identifier_starting_with_an_invalid_character ... ok [INFO] [stdout] test parser::tests::tokenize::lambda_with_bound_identifier ... ok [INFO] [stdout] test reduction::tests::alpha_rename_prime::appends_another_tick_symbol_if_name_ends_with_tick ... ok [INFO] [stdout] test reduction::tests::alpha_rename_enumerate::appends_digit_1_if_name_does_not_end_with_digit ... ok [INFO] [stdout] test reduction::tests::apply::applying_abstraction_of_abstraction ... ok [INFO] [stdout] test reduction::tests::apply::applying_abstraction_of_abstraction_with_same_bound_var ... ok [INFO] [stdout] test reduction::tests::apply::applying_constant_returns_constant ... ok [INFO] [stdout] test reduction::tests::apply::applying_identity_returns_rhs ... ok [INFO] [stdout] test reduction::tests::apply::applying_replication_returns_application_of_rhs ... ok [INFO] [stdout] test reduction::tests::apply::applying_simple_abstraction ... ok [INFO] [stdout] test reduction::tests::apply::applying_variable_returns_the_variable ... ok [INFO] [stdout] test reduction::tests::beta_applicative_order::application_of_free_variable ... ok [INFO] [stdout] test reduction::tests::beta_applicative_order::application_of_free_variables_2 ... ok [INFO] [stdout] test reduction::tests::beta_applicative_order::complex_expr1 ... ok [INFO] [stdout] test reduction::tests::beta_applicative_order::complex_expr2 ... ok [INFO] [stdout] test reduction::tests::beta_applicative_order::complex_expr3 ... ok [INFO] [stdout] test reduction::tests::beta_applicative_order::complex_expr4 ... ok [INFO] [stdout] test reduction::tests::beta_applicative_order::constant_y ... ok [INFO] [stdout] test reduction::tests::beta_applicative_order::identity_x ... ok [INFO] [stdout] test reduction::tests::alpha_rename_prime::appends_tick_symbol ... ok [INFO] [stdout] test reduction::tests::beta_call_by_name::application_of_free_variable ... ok [INFO] [stdout] test reduction::tests::beta_call_by_name::application_of_free_variables_2 ... ok [INFO] [stdout] test reduction::tests::beta_call_by_name::complex_expr1 ... ok [INFO] [stdout] test reduction::tests::beta_call_by_name::complex_expr2 ... ok [INFO] [stdout] test reduction::tests::beta_call_by_name::complex_expr3 ... ok [INFO] [stdout] test reduction::tests::beta_call_by_name::constant_y ... ok [INFO] [stdout] test reduction::tests::alpha_rename_enumerate::increases_number_by_1_if_name_ends_with_number ... ok [INFO] [stdout] test reduction::tests::beta_call_by_name::identity_x ... ok [INFO] [stdout] test reduction::tests::beta_call_by_value::application_of_free_variable ... ok [INFO] [stdout] test reduction::tests::beta_call_by_value::application_of_free_variables_2 ... ok [INFO] [stdout] test reduction::tests::beta_call_by_value::complex_expr1 ... ok [INFO] [stdout] test reduction::tests::beta_call_by_value::complex_expr2 ... ok [INFO] [stdout] test reduction::tests::beta_call_by_value::complex_expr3 ... ok [INFO] [stdout] test reduction::tests::beta_call_by_value::complex_expr4 ... ok [INFO] [stdout] test reduction::tests::beta_call_by_value::complex_expr5 ... ok [INFO] [stdout] test reduction::tests::beta_call_by_value::constant_y ... ok [INFO] [stdout] test reduction::tests::beta_call_by_value::identity_x ... ok [INFO] [stdout] test inspect::tests::collect::calling_inspect_with_any_term_always_returns_dont_stop ... ok [INFO] [stdout] test reduction::tests::beta_head_spine_order::application_of_free_variable ... ok [INFO] [stdout] test reduction::tests::beta_head_spine_order::application_of_free_variables_2 ... ok [INFO] [stdout] test reduction::tests::beta_head_spine_order::complex_expr1 ... ok [INFO] [stdout] test reduction::tests::beta_head_spine_order::complex_expr2 ... ok [INFO] [stdout] test reduction::tests::beta_head_spine_order::complex_expr3 ... ok [INFO] [stdout] test reduction::tests::beta_head_spine_order::constant_y ... ok [INFO] [stdout] test reduction::tests::beta_head_spine_order::identity_x ... ok [INFO] [stdout] test inspect::tests::limit::calling_inspect_any_times_below_the_limit_returns_dont_stop ... ok [INFO] [stdout] test reduction::tests::beta_hybrid_applicative_order::application_of_free_variable ... ok [INFO] [stdout] test reduction::tests::beta_hybrid_applicative_order::application_of_free_variables_2 ... ok [INFO] [stdout] test reduction::tests::beta_hybrid_applicative_order::complex_expr1 ... ok [INFO] [stdout] test reduction::tests::beta_hybrid_applicative_order::complex_expr2 ... ok [INFO] [stdout] test reduction::tests::beta_hybrid_applicative_order::complex_expr3 ... ok [INFO] [stdout] test reduction::tests::beta_hybrid_applicative_order::constant_y ... ok [INFO] [stdout] test reduction::tests::beta_hybrid_applicative_order::identity_x ... ok [INFO] [stdout] test inspect::tests::trace::calling_inspect_with_any_term_always_returns_dont_stop ... ok [INFO] [stdout] test reduction::tests::beta_hybrid_normal_order::application_of_free_variable ... ok [INFO] [stdout] test reduction::tests::beta_hybrid_normal_order::application_of_free_variables_2 ... ok [INFO] [stdout] test reduction::tests::beta_hybrid_normal_order::complex_expr1 ... ok [INFO] [stdout] test reduction::tests::beta_hybrid_normal_order::complex_expr2 ... ok [INFO] [stdout] test reduction::tests::beta_hybrid_normal_order::complex_expr3 ... ok [INFO] [stdout] test reduction::tests::beta_hybrid_normal_order::complex_expr4 ... ok [INFO] [stdout] test reduction::tests::beta_hybrid_normal_order::complex_expr5 ... ok [INFO] [stdout] test reduction::tests::beta_hybrid_normal_order::constant_y ... ok [INFO] [stdout] test reduction::tests::beta_hybrid_normal_order::identity_x ... ok [INFO] [stdout] test inspect::tests::limit::calling_inspect_when_the_limit_is_reached_it_returns_stop ... ok [INFO] [stdout] test reduction::tests::beta_normal_order::application_of_free_variable ... ok [INFO] [stdout] test reduction::tests::beta_normal_order::application_of_free_variables_2 ... ok [INFO] [stdout] test reduction::tests::beta_normal_order::complex_expr1 ... ok [INFO] [stdout] test reduction::tests::beta_normal_order::complex_expr2 ... ok [INFO] [stdout] test reduction::tests::beta_normal_order::complex_expr3 ... ok [INFO] [stdout] test reduction::tests::beta_normal_order::constant_y ... ok [INFO] [stdout] test reduction::tests::beta_normal_order::identity_x ... ok [INFO] [stdout] test parser::tests::parse::result_of_any_term_to_string_is_parsable_as_term ... ok [INFO] [stdout] test reduction::tests::beta_reduction_properties::test_for_beta_normal_on_abstraction ... ok [INFO] [stdout] test reduction::tests::beta_reduction_properties::test_for_beta_normal_on_application_in_abstraction_body ... ok [INFO] [stdout] test reduction::tests::beta_reduction_properties::test_for_beta_normal_on_application_with_redex_on_left_hand_side ... ok [INFO] [stdout] test reduction::tests::beta_reduction_properties::test_for_beta_normal_on_application_with_redex_on_right_hand_side ... ok [INFO] [stdout] test reduction::tests::beta_reduction_properties::test_for_beta_normal_on_identity_application ... ok [INFO] [stdout] test reduction::tests::beta_reduction_properties::test_for_beta_normal_on_redex_in_abstraction_body ... ok [INFO] [stdout] test reduction::tests::beta_reduction_properties::test_for_beta_normal_on_variable ... ok [INFO] [stdout] test reduction::tests::beta_reduction_properties::test_for_beta_redex_on_abstraction ... ok [INFO] [stdout] test reduction::tests::beta_reduction_properties::test_for_beta_redex_on_application_in_abstraction_body ... ok [INFO] [stdout] test reduction::tests::beta_reduction_properties::test_for_beta_redex_on_application_with_redex_on_left_hand_side ... ok [INFO] [stdout] test reduction::tests::beta_reduction_properties::test_for_beta_redex_on_application_with_redex_on_right_hand_side ... ok [INFO] [stdout] test reduction::tests::beta_reduction_properties::test_for_beta_redex_on_identity_application ... ok [INFO] [stdout] test reduction::tests::beta_reduction_properties::test_for_beta_redex_on_redex_in_abstraction_body ... ok [INFO] [stdout] test reduction::tests::beta_reduction_properties::test_for_beta_redex_on_variable ... ok [INFO] [stdout] test term::tests::app_macro::app_with_2_terms ... ok [INFO] [stdout] test term::tests::app_macro::app_with_3_terms ... ok [INFO] [stdout] test term::tests::term::display_string_of_a_variable ... ok [INFO] [stdout] test term::tests::term::display_string_of_an_abstraction_with_variable_in_body ... ok [INFO] [stdout] test term::tests::term::display_string_of_an_application ... ok [INFO] [stdout] test term::tests::term::display_string_of_an_application_of_an_application_must_not_omit_parens ... ok [INFO] [stdout] test reduction::tests::beta_call_by_value::reduce_any_expr_compared_to_recursive_impl ... ok [INFO] [stdout] test term::tests::term::display_string_of_an_application_omitting_outermost_parens ... ok [INFO] [stdout] test term::tests::term::free_vars_in_function_application_contains_one_from_lhs ... ok [INFO] [stdout] test term::tests::term::free_vars_in_function_application_contains_one_from_rhs ... ok [INFO] [stdout] test term::tests::term::free_vars_in_function_application_of_lambda_and_var_contains_two ... ok [INFO] [stdout] test term::tests::term::free_vars_in_function_application_of_two_closed_lambdas_contains_none ... ok [INFO] [stdout] test term::tests::term::free_vars_in_function_application_of_two_lambdas_contains_three ... ok [INFO] [stdout] test term::tests::term::free_vars_in_function_application_of_vars_contains_two ... ok [INFO] [stdout] test term::tests::term::free_vars_in_lambda_abstraction_contains_none ... ok [INFO] [stdout] test term::tests::term::free_vars_in_lambda_abstraction_contains_one ... ok [INFO] [stdout] test term::tests::term::free_vars_in_lambda_abstraction_contains_two ... ok [INFO] [stdout] test term::tests::term::free_vars_in_lambda_abstraction_on_third_level_contains_one ... ok [INFO] [stdout] test term::tests::term::free_vars_in_lambda_abstraction_within_lambda_abstraction_contains_one ... ok [INFO] [stdout] test term::tests::term::free_vars_in_variable ... ok [INFO] [stdout] test term::tests::var_name::display_string_is_the_variable_name ... ok [INFO] [stdout] test term::tests::term::display_string_of_an_application_omitting_parens_in_abtraction_body ... ok [INFO] [stdout] test reduction::tests::beta_applicative_order::reduce_any_expr_compared_to_recursive_impl ... ok [INFO] [stdout] test reduction::tests::beta_call_by_name::reduce_any_expr_compared_to_recursive_impl ... ok [INFO] [stdout] test reduction::tests::beta_normal_order::reduce_any_expr_compared_to_recursive_impl ... ok [INFO] [stdout] test reduction::tests::beta_hybrid_normal_order::reduce_any_expr_compared_to_recursive_impl ... ok [INFO] [stdout] test reduction::tests::beta_head_spine_order::reduce_any_expr_compared_to_recursive_impl ... ok [INFO] [stdout] test reduction::tests::beta_hybrid_applicative_order::reduce_any_expr_compared_to_recursive_impl ... ok [INFO] [stdout] [INFO] [stdout] failures: [INFO] [stdout] [INFO] [stdout] ---- parser::tests::tokenize::identifier_with_an_invalid_character_in_the_middle_or_end stdout ---- [INFO] [stdout] proptest: failed to append to /opt/crater/workdir/proptest-regressions/parser/tests.txt: Read-only file system (os error 30) [INFO] [stdout] thread 'parser::tests::tokenize::identifier_with_an_invalid_character_in_the_middle_or_end' panicked at 'Test failed: assertion failed: `(left == right)` (left: `Err(ParseError { kind: InvalidCharacter, position: CharPosition { line: 1, column: 1, newline: false }, found: "\u{119e1}", expected: "any unicode alphanumeric character or one of \'λ\', `\\`, \'.\', \'(\', \')\'", hint: None })`, right: `Err(ParseError { kind: InvalidCharacter, position: CharPosition { line: 1, column: 2, newline: false }, found: "🌀", expected: "any unicode alphanumeric character or one of \'_\', \'\\\'\'", hint: None })`) at src/parser/tests.rs:116; minimal failing input: start = "\u{119e1}", _invalid = "\u{abfa}", invalid2 = "🌀", end = "" [INFO] [stdout] successes: 6 [INFO] [stdout] local rejects: 0 [INFO] [stdout] global rejects: 0 [INFO] [stdout] ', src/parser/tests.rs:72:5 [INFO] [stdout] stack backtrace: [INFO] [stdout] 0: 0x5620bbc076a3 - std::sys::unix::backtrace::tracing::imp::unwind_backtrace::h6485381528590a55 [INFO] [stdout] at src/libstd/sys/unix/backtrace/tracing/gcc_s.rs:39 [INFO] [stdout] 1: 0x5620bbc02efb - std::sys_common::backtrace::_print::h49a82ae9552e35c7 [INFO] [stdout] at src/libstd/sys_common/backtrace.rs:71 [INFO] [stdout] 2: 0x5620bbc06346 - std::panicking::default_hook::{{closure}}::he20974adbefcc046 [INFO] [stdout] at src/libstd/sys_common/backtrace.rs:59 [INFO] [stdout] at src/libstd/panicking.rs:197 [INFO] [stdout] 3: 0x5620bbc0606e - std::panicking::default_hook::he4af6af4ac7fef7b [INFO] [stdout] at src/libstd/panicking.rs:208 [INFO] [stdout] 4: 0x5620bbc06a4f - std::panicking::rust_panic_with_hook::h057ff03eb4c8000f [INFO] [stdout] at src/libstd/panicking.rs:474 [INFO] [stdout] 5: 0x5620bbc065d1 - std::panicking::continue_panic_fmt::ha6d6ae144369025b [INFO] [stdout] at src/libstd/panicking.rs:381 [INFO] [stdout] 6: 0x5620bbc0651e - std::panicking::begin_panic_fmt::he54eae869ed71eb1 [INFO] [stdout] at src/libstd/panicking.rs:336 [INFO] [stdout] 7: 0x5620bb98bdc7 - lamcal::parser::tests::tokenize::identifier_with_an_invalid_character_in_the_middle_or_end::h8410b68b29c8a786 [INFO] [stdout] at /opt/crater/workdir/<::proptest::sugar::proptest macros>:18 [INFO] [stdout] 8: 0x5620bb98b899 - lamcal::parser::tests::tokenize::identifier_with_an_invalid_character_in_the_middle_or_end::{{closure}}::h3b135865eaf9b583 [INFO] [stdout] at /opt/crater/workdir/<::proptest::sugar::proptest macros>:15 [INFO] [stdout] 9: 0x5620bb9a213d - core::ops::function::FnOnce::call_once::h2ac52103c601d790 [INFO] [stdout] at /rustc/a53f9df32fbb0b5f4382caaad8f1a46f36ea887c/src/libcore/ops/function.rs:231 [INFO] [stdout] 10: 0x5620bba0c8be - as core::ops::function::FnOnce>::call_once::h6b004fa8f4fc1608 [INFO] [stdout] at /rustc/a53f9df32fbb0b5f4382caaad8f1a46f36ea887c/src/liballoc/boxed.rs:704 [INFO] [stdout] 11: 0x5620bbc0e669 - __rust_maybe_catch_panic [INFO] [stdout] at src/libpanic_unwind/lib.rs:85 [INFO] [stdout] 12: 0x5620bba271b7 - test::run_test::run_test_inner::{{closure}}::h9a4d23c41d058d37 [INFO] [stdout] at /rustc/a53f9df32fbb0b5f4382caaad8f1a46f36ea887c/src/libstd/panicking.rs:272 [INFO] [stdout] at /rustc/a53f9df32fbb0b5f4382caaad8f1a46f36ea887c/src/libstd/panic.rs:394 [INFO] [stdout] at src/libtest/lib.rs:1468 [INFO] [stdout] 13: 0x5620bba01bd4 - std::sys_common::backtrace::__rust_begin_short_backtrace::h3765d76361a33ff7 [INFO] [stdout] at /rustc/a53f9df32fbb0b5f4382caaad8f1a46f36ea887c/src/libstd/sys_common/backtrace.rs:136 [INFO] [stdout] 14: 0x5620bba05c84 - std::panicking::try::do_call::h6f86e980b52f74d5 [INFO] [stdout] at /rustc/a53f9df32fbb0b5f4382caaad8f1a46f36ea887c/src/libstd/thread/mod.rs:470 [INFO] [stdout] at /rustc/a53f9df32fbb0b5f4382caaad8f1a46f36ea887c/src/libstd/panic.rs:315 [INFO] [stdout] at /rustc/a53f9df32fbb0b5f4382caaad8f1a46f36ea887c/src/libstd/panicking.rs:293 [INFO] [stdout] 15: 0x5620bbc0e669 - __rust_maybe_catch_panic [INFO] [stdout] at src/libpanic_unwind/lib.rs:85 [INFO] [stdout] 16: 0x5620bba06291 - core::ops::function::FnOnce::call_once{{vtable.shim}}::h760b8a2b155f54c3 [INFO] [stdout] at /rustc/a53f9df32fbb0b5f4382caaad8f1a46f36ea887c/src/libstd/panicking.rs:272 [INFO] [stdout] at /rustc/a53f9df32fbb0b5f4382caaad8f1a46f36ea887c/src/libstd/panic.rs:394 [INFO] [stdout] at /rustc/a53f9df32fbb0b5f4382caaad8f1a46f36ea887c/src/libstd/thread/mod.rs:469 [INFO] [stdout] at /rustc/a53f9df32fbb0b5f4382caaad8f1a46f36ea887c/src/libcore/ops/function.rs:231 [INFO] [stdout] 17: 0x5620bbbf8a1e - as core::ops::function::FnOnce>::call_once::h805c3cc89d534c05 [INFO] [stdout] at /rustc/a53f9df32fbb0b5f4382caaad8f1a46f36ea887c/src/liballoc/boxed.rs:704 [INFO] [stdout] 18: 0x5620bbc0da2f - std::sys::unix::thread::Thread::new::thread_start::h6f10b78f26c98dc6 [INFO] [stdout] at /rustc/a53f9df32fbb0b5f4382caaad8f1a46f36ea887c/src/liballoc/boxed.rs:704 [INFO] [stdout] at src/libstd/sys_common/thread.rs:13 [INFO] [stdout] at src/libstd/sys/unix/thread.rs:79 [INFO] [stdout] 19: 0x7efd16fc64a3 - start_thread [INFO] [stdout] 20: 0x7efd16af1d0e - __clone [INFO] [stdout] 21: 0x0 - [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] failures: [INFO] [stdout] parser::tests::tokenize::identifier_with_an_invalid_character_in_the_middle_or_end [INFO] [stdout] [INFO] [stdout] test result: FAILED. 168 passed; 1 failed; 0 ignored; 0 measured; 0 filtered out [INFO] [stdout] [INFO] [stderr] error: test failed, to rerun pass '--lib' [INFO] running `"docker" "inspect" "fa196b1295af5922e5284989fd6d2cfc58b43b78acb2e4aa96646e7189fd30b9"` [INFO] running `"docker" "rm" "-f" "fa196b1295af5922e5284989fd6d2cfc58b43b78acb2e4aa96646e7189fd30b9"` [INFO] [stdout] fa196b1295af5922e5284989fd6d2cfc58b43b78acb2e4aa96646e7189fd30b9