[INFO] crate briliang_exercise 0.1.0 is already in cache
[INFO] testing briliang_exercise-0.1.0 against beta-2019-09-28 for beta-1.39-1
[INFO] extracting crate briliang_exercise 0.1.0 into work/builds/worker-1/source
[INFO] validating manifest of crates.io crate briliang_exercise 0.1.0 on toolchain beta-2019-09-28
[INFO] running `"/big/crater/work/cargo-home/bin/cargo" "+beta-2019-09-28" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking crates.io crate briliang_exercise 0.1.0
[INFO] finished tweaking crates.io crate briliang_exercise 0.1.0
[INFO] tweaked toml for crates.io crate briliang_exercise 0.1.0 written to work/builds/worker-1/source/Cargo.toml
[INFO] running `"/big/crater/work/cargo-home/bin/cargo" "+beta-2019-09-28" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/big/crater/work/cargo-home/bin/cargo" "+beta-2019-09-28" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/big/crater/work/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/big/crater/work/builds/worker-1/source:/opt/rustwide/workdir:ro,Z" "-v" "/big/crater/work/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/big/crater/work/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2019-09-28" "build" "--frozen"`
[INFO] [stdout] 22b7a67966944cc3e99b3b970c1e28412b9bb7b51eea9df920b3dc653ddd1432
[INFO] running `"docker" "start" "-a" "22b7a67966944cc3e99b3b970c1e28412b9bb7b51eea9df920b3dc653ddd1432"`
[INFO] [stderr]    Compiling briliang_exercise v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.78s
[INFO] running `"docker" "inspect" "22b7a67966944cc3e99b3b970c1e28412b9bb7b51eea9df920b3dc653ddd1432"`
[INFO] running `"docker" "rm" "-f" "22b7a67966944cc3e99b3b970c1e28412b9bb7b51eea9df920b3dc653ddd1432"`
[INFO] [stdout] 22b7a67966944cc3e99b3b970c1e28412b9bb7b51eea9df920b3dc653ddd1432
[INFO] running `"docker" "create" "-v" "/big/crater/work/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/big/crater/work/builds/worker-1/source:/opt/rustwide/workdir:ro,Z" "-v" "/big/crater/work/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/big/crater/work/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2019-09-28" "test" "--frozen" "--no-run"`
[INFO] [stdout] 0905351b8c78b05a455a7b77148956e7ece3a5a58e37f17f72711c9dbcd99822
[INFO] running `"docker" "start" "-a" "0905351b8c78b05a455a7b77148956e7ece3a5a58e37f17f72711c9dbcd99822"`
[INFO] [stderr]    Compiling briliang_exercise v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> tests/functional_feature/mod.rs:225:13
[INFO] [stderr]     |
[INFO] [stderr] 225 |         let mut counter = Counter::new();
[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 1.77s
[INFO] running `"docker" "inspect" "0905351b8c78b05a455a7b77148956e7ece3a5a58e37f17f72711c9dbcd99822"`
[INFO] running `"docker" "rm" "-f" "0905351b8c78b05a455a7b77148956e7ece3a5a58e37f17f72711c9dbcd99822"`
[INFO] [stdout] 0905351b8c78b05a455a7b77148956e7ece3a5a58e37f17f72711c9dbcd99822
[INFO] running `"docker" "create" "-v" "/big/crater/work/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/big/crater/work/builds/worker-1/source:/opt/rustwide/workdir:ro,Z" "-v" "/big/crater/work/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/big/crater/work/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2019-09-28" "test" "--frozen"`
[INFO] [stdout] dae8b0c2ea6efd02a960501fe01bbcf3709a1f254b346a9a80b95dc07a8c7f7b
[INFO] running `"docker" "start" "-a" "dae8b0c2ea6efd02a960501fe01bbcf3709a1f254b346a9a80b95dc07a8c7f7b"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/briliang_exercise-7c324ead8fcfa503
[INFO] [stdout] 
[INFO] [stdout] running 9 tests
[INFO] [stdout] test data_type::float::tests::test_float_data ... ok
[INFO] [stdout] test data_type::number::tests::test_float_data ... ok
[INFO] [stdout] test data_type::tests::test_boolean ... ok
[INFO] [stdout] test data_type::tests::test_character ... ok
[INFO] [stdout] test data_type::tuple_and_array::tests::test_tuple ... ok
[INFO] [stdout] test data_type::tuple_and_array::tests::test_array ... ok
[INFO] [stdout] test data_type::tuple_and_array::tests::test_tuple_read ... ok
[INFO] [stdout] test tests::case_sensitive ... ok
[INFO] [stdout] test tests::case_insensitive ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 9 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/briliang_exercise-72df51c8d16ea3f5
[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/rustwide/target/debug/deps/integration_test-78bbe81fd8636420
[INFO] [stdout] 
[INFO] [stdout] running 113 tests
[INFO] [stdout] test another ... ignored
[INFO] [stdout] test collections::tests::test_collection_str_indexing ... ok
[INFO] [stdout] test collections::tests::test_collection_exercise ... ok
[INFO] [stdout] test collections::tests::test_collections_string ... ok
[INFO] [stdout] test collections::tests::test_collections_string2 ... ok
[INFO] [stdout] test collections::tests::test_collections_vector_iterate ... ok
[INFO] [stdout] test collections::tests::test_collections_vector_enums ... ok
[INFO] [stdout] test collections::tests::test_collections_vector ... ok
[INFO] [stdout] test collections::tests::test_hash_map_access ... ok
[INFO] [stdout] test collections::tests::test_hash_map ... ok
[INFO] [stdout] test collections::tests::test_iterating_strings ... ok
[INFO] [stdout] test control_flow::tests::test_control_flow_if ... ok
[INFO] [stdout] test collections::tests::test_update_hash_map ... ok
[INFO] [stdout] test collections::tests::test_hash_map_ownership ... ok
[INFO] [stdout] test control_flow::tests::test_for ... ok
[INFO] [stdout] test control_flow::tests::test_for2 ... ok
[INFO] [stdout] test control_flow::tests::test_if_let_syntax ... ok
[INFO] [stdout] test control_flow::tests::test_if_with_statement ... ok
[INFO] [stdout] test control_flow::tests::test_loops ... ok
[INFO] [stdout] test control_flow::tests::test_loop_return_value ... ok
[INFO] [stdout] test control_flow::tests::test_match ... ok
[INFO] [stdout] test control_flow::tests::test_match_2 ... ok
[INFO] [stdout] test control_flow::tests::test_match_3 ... ok
[INFO] [stdout] test control_flow::tests::test_match_4 ... ok
[INFO] [stdout] test control_flow::tests::test_while ... ok
[INFO] [stdout] test control_flow::tests::test_while2 ... ok
[INFO] [stdout] test data_type::float::tests::test_float_data ... ok
[INFO] [stdout] test data_type::number::tests::test_float_data ... ok
[INFO] [stdout] test data_type::tests::test_character ... ok
[INFO] [stdout] test data_type::tests::test_boolean ... ok
[INFO] [stdout] test data_type::tuple_and_array::tests::test_array ... ok
[INFO] [stdout] test enums::tests::test_enum2 ... ok
[INFO] [stdout] test data_type::tuple_and_array::tests::test_tuple_read ... ok
[INFO] [stdout] test data_type::tuple_and_array::tests::test_tuple ... ok
[INFO] [stdout] test enums::tests::test_enum4 ... ok
[INFO] [stdout] test enums::tests::test_enum3 ... ok
[INFO] [stdout] test enums::tests::test_enum ... ok
[INFO] [stdout] test enums::tests::test_enum5 ... ok
[INFO] [stdout] test error_handle::tests::test_panic_or_result_prototype_and_tests ... ok
[INFO] [stdout] test exploration ... ok
[INFO] [stdout] test function::tests::function_with_return_values ... ok
[INFO] [stdout] test function::tests::function_with_return_values2 ... ok
[INFO] [stdout] test function::tests::test_function ... ok
[INFO] [stdout] test function::tests::statement_in_func ... ok
[INFO] [stdout] test functional_feature::tests::capturing_the_environment_with_closures ... ok
[INFO] [stdout] test functional_feature::tests::creating_own_iterators_with_iterator_trait ... ok
[INFO] [stdout] test functional_feature::tests::iterator_demonstration ... ok
[INFO] [stdout] test functional_feature::tests::iterator_map ... ok
[INFO] [stdout] test functional_feature::tests::iterator_sum ... ok
[INFO] [stdout] test functional_feature::tests::move_ownership_with_closure ... ok
[INFO] [stdout] test functional_feature::tests::processing_a_series_of_items_with_iterators ... ok
[INFO] [stdout] test functional_feature::tests::using_closures_that_capture_their_environment ... ok
[INFO] [stdout] test generic_trait_lifetime::tests::test_enum_definition_generic_type ... ok
[INFO] [stdout] test generic_trait_lifetime::tests::test_generic_data_type_in_function ... ok
[INFO] [stdout] test generic_trait_lifetime::tests::test_generic_type_lifetimes_in_func ... ok
[INFO] [stdout] test generic_trait_lifetime::tests::test_generic_type_trait_bounds_and_lifetimes ... ok
[INFO] [stdout] test generic_trait_lifetime::tests::test_lifetime ... ok
[INFO] [stdout] test generic_trait_lifetime::tests::test_lifetime2 ... ok
[INFO] [stdout] test generic_trait_lifetime::tests::test_lifetime3 ... ok
[INFO] [stdout] test generic_trait_lifetime::tests::test_lifetime_annotation_in_method_definition ... ok
[INFO] [stdout] test generic_trait_lifetime::tests::test_lifetime_annotation_in_struct ... ok
[INFO] [stdout] test generic_trait_lifetime::tests::test_lifetime_default_rule ... ok
[INFO] [stdout] test generic_trait_lifetime::tests::test_lifetime_elision ... ok
[INFO] [stdout] test generic_trait_lifetime::tests::test_method_definition_generic_type ... ok
[INFO] [stdout] test generic_trait_lifetime::tests::test_removing_duplication_by_extracting_function ... ok
[INFO] [stdout] test generic_trait_lifetime::tests::test_returning_type_with_implement_trait ... ok
[INFO] [stdout] test generic_trait_lifetime::tests::test_static_lifetime ... ok
[INFO] [stdout] test generic_trait_lifetime::tests::test_struct_multiple_generic_type ... ok
[INFO] [stdout] test generic_trait_lifetime::tests::test_struct_definition_generic_type ... ok
[INFO] [stdout] test generic_trait_lifetime::tests::test_trait ... ok
[INFO] [stdout] test generic_trait_lifetime::tests::test_trait_bound_to_conditionally_implement_method ... ok
[INFO] [stdout] test generic_trait_lifetime::tests::test_trait_clearer_bound_with_where ... ok
[INFO] [stdout] test generic_trait_lifetime::tests::test_traits_as_parameters ... ok
[INFO] [stdout] test greeting_contains_name ... ok
[INFO] [stdout] test it_works ... ok
[INFO] [stdout] test larger_can_hold_smaller ... ok
[INFO] [stdout] test generic_trait_lifetime::tests::test_trait_bound_syntax ... ok
[INFO] [stdout] test module::tests::test_module1 ... ok
[INFO] [stdout] test module::tests::test_module2 ... ok
[INFO] [stdout] test module::tests::test_separate_module ... ok
[INFO] [stdout] test ownership::tests::test_dangling_references ... ok
[INFO] [stdout] test ownership::tests::test_function ... ok
[INFO] [stdout] test ownership::tests::test_ownership_and_functions ... ok
[INFO] [stdout] test ownership::tests::test_references_and_borrowing ... ok
[INFO] [stdout] test ownership::tests::test_references_and_borrowing2 ... ok
[INFO] [stdout] test ownership::tests::test_return_values_and_scope ... ok
[INFO] [stdout] test ownership::tests::test_references_and_borrowing3 ... ok
[INFO] [stdout] test ownership::tests::test_return_values_and_scope2 ... ok
[INFO] [stdout] test ownership::tests::test_slice_str_type ... ok
[INFO] [stdout] test ownership::tests::test_slice_tuple ... ok
[INFO] [stdout] test ownership::tests::test_slice_type ... ok
[INFO] [stdout] test ownership::tests::test_stack_only_copy ... ok
[INFO] [stdout] test ownership::tests::test_ways_variables_and_data_interact_clone ... ok
[INFO] [stdout] test ownership::tests::test_ways_variables_and_data_interact_move ... ok
[INFO] [stdout] test structure::tests::test_associated_function ... ok
[INFO] [stdout] test structure::tests::struct_method ... ok
[INFO] [stdout] test structure::tests::struct_example ... ok
[INFO] [stdout] test structure::tests::test_struct_method2 ... ok
[INFO] [stdout] test structure::tests::test_struct ... ok
[INFO] [stdout] test structure::tests::test_tuple_struct ... ok
[INFO] [stdout] test structure::tests::test_unit_like_struct ... ok
[INFO] [stdout] test error_handle::tests::test_error_handle ... ok
[INFO] [stdout] test error_handle::tests::test_propagate_error ... FAILED
[INFO] [stdout] test error_handle::tests::test_shortcut_panic_error ... ok
[INFO] [stdout] test error_handle::tests::test_panic_backtrace ... ok
[INFO] [stdout] test error_handle::tests::test_recoverable_errors ... ok
[INFO] [stdout] test functional_feature::tests::call_with_different_values ... ok
[INFO] [stdout] test error_handle::tests::test_propagate_error_with_shortcut ... FAILED
[INFO] [stdout] test greater_than_100 ... ok
[INFO] [stdout] test error_handle::tests::test_recoverable_matching_different_error ... FAILED
[INFO] [stdout] test collections::tests::test_slice_str ... ok
[INFO] [stdout] test functional_feature::tests::test_storing_closures_using_generic_parameters_and_the_fn_traits ... ok
[INFO] [stdout] test functional_feature::tests::test_creating_an_abstraction_of_behavior_with_closures ... ok
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout] 
[INFO] [stdout] ---- error_handle::tests::test_propagate_error stdout ----
[INFO] [stdout] thread 'error_handle::tests::test_propagate_error' panicked at 'Problem create file :"hello3.txt",error:Os { code: 30, kind: Other, message: "Read-only file system" }', tests/error_handle/mod.rs:66:42
[INFO] [stdout] 
[INFO] [stdout] ---- error_handle::tests::test_propagate_error_with_shortcut stdout ----
[INFO] [stdout] thread 'error_handle::tests::test_propagate_error_with_shortcut' panicked at 'Problem create file :"hello4.txt",error:Os { code: 30, kind: Other, message: "Read-only file system" }', tests/error_handle/mod.rs:66:42
[INFO] [stdout] 
[INFO] [stdout] ---- error_handle::tests::test_recoverable_matching_different_error stdout ----
[INFO] [stdout] thread 'error_handle::tests::test_recoverable_matching_different_error' panicked at 'Problem creating the file: Os { code: 30, kind: Other, message: "Read-only file system" }', tests/error_handle/mod.rs:47:21
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout]     error_handle::tests::test_propagate_error
[INFO] [stdout]     error_handle::tests::test_propagate_error_with_shortcut
[INFO] [stdout]     error_handle::tests::test_recoverable_matching_different_error
[INFO] [stdout] 
[INFO] [stdout] test result: FAILED. 109 passed; 3 failed; 1 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stderr] error: test failed, to rerun pass '--test integration_test'
[INFO] running `"docker" "inspect" "dae8b0c2ea6efd02a960501fe01bbcf3709a1f254b346a9a80b95dc07a8c7f7b"`
[INFO] running `"docker" "rm" "-f" "dae8b0c2ea6efd02a960501fe01bbcf3709a1f254b346a9a80b95dc07a8c7f7b"`
[INFO] [stdout] dae8b0c2ea6efd02a960501fe01bbcf3709a1f254b346a9a80b95dc07a8c7f7b