[INFO] cloning repository https://github.com/francoisperron/learning-rust
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/francoisperron/learning-rust" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ffrancoisperron%2Flearning-rust", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ffrancoisperron%2Flearning-rust'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 644450a8e1da629e4e530ea531a55fe612180d31
[INFO] testing francoisperron/learning-rust against beta-2025-09-21 for beta-1.91-2
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ffrancoisperron%2Flearning-rust" "/workspace/builds/worker-1-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-1-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/francoisperron/learning-rust
[INFO] finished tweaking git repo https://github.com/francoisperron/learning-rust
[INFO] tweaked toml for git repo https://github.com/francoisperron/learning-rust written to /workspace/builds/worker-1-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/francoisperron/learning-rust on toolchain beta-2025-09-21
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2025-09-21" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/francoisperron/learning-rust already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2025-09-21" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-09-21" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] d0c2685c829effce706fdc7f53d10a07639223e0fc17f1f27b70dc8ffe49cd3f
[INFO] running `Command { std: "docker" "start" "-a" "d0c2685c829effce706fdc7f53d10a07639223e0fc17f1f27b70dc8ffe49cd3f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "d0c2685c829effce706fdc7f53d10a07639223e0fc17f1f27b70dc8ffe49cd3f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d0c2685c829effce706fdc7f53d10a07639223e0fc17f1f27b70dc8ffe49cd3f", kill_on_drop: false }`
[INFO] [stdout] d0c2685c829effce706fdc7f53d10a07639223e0fc17f1f27b70dc8ffe49cd3f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-09-21" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] fe55b104ed2180bfc184089d9c670934f378aaecb9826be86d6d20de0a6da089
[INFO] running `Command { std: "docker" "start" "-a" "fe55b104ed2180bfc184089d9c670934f378aaecb9826be86d6d20de0a6da089", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.150
[INFO] [stderr]    Compiling proc-macro2 v1.0.69
[INFO] [stderr]    Compiling unicode-ident v1.0.12
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]    Compiling _12_minigrep v0.1.0 (/opt/rustwide/workdir/src/book/_12_minigrep)
[INFO] [stderr]    Compiling _20_web_server v0.1.0 (/opt/rustwide/workdir/src/book/_20_web_server)
[INFO] [stderr]    Compiling _19_hello_macro v0.1.0 (/opt/rustwide/workdir/src/book/_19_hello_macro)
[INFO] [stderr]    Compiling quote v1.0.33
[INFO] [stderr]    Compiling getrandom v0.2.11
[INFO] [stderr]    Compiling cc v1.0.83
[INFO] [stderr]    Compiling rand_core v0.6.4
[INFO] [stderr]    Compiling rand_chacha v0.3.1
[INFO] [stderr]    Compiling rand v0.8.5
[INFO] [stderr]    Compiling psm v0.1.21
[INFO] [stderr]    Compiling stacker v0.1.15
[INFO] [stderr]    Compiling _19_hello_macro_derive v0.1.0 (/opt/rustwide/workdir/src/book/_19_hello_macro/_19_hello_macro_derive)
[INFO] [stderr]    Compiling learning-rust v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 7.02s
[INFO] running `Command { std: "docker" "inspect" "fe55b104ed2180bfc184089d9c670934f378aaecb9826be86d6d20de0a6da089", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fe55b104ed2180bfc184089d9c670934f378aaecb9826be86d6d20de0a6da089", kill_on_drop: false }`
[INFO] [stdout] fe55b104ed2180bfc184089d9c670934f378aaecb9826be86d6d20de0a6da089
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-09-21" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] ab6f118033d9706788fceeb1a1982d1c38bffcc78e62fcf07b6d7c81fa616d58
[INFO] running `Command { std: "docker" "start" "-a" "ab6f118033d9706788fceeb1a1982d1c38bffcc78e62fcf07b6d7c81fa616d58", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.69
[INFO] [stderr]    Compiling memchr v2.6.4
[INFO] [stderr]    Compiling futures-core v0.3.29
[INFO] [stderr]    Compiling futures-task v0.3.29
[INFO] [stderr]    Compiling futures-channel v0.3.29
[INFO] [stderr]    Compiling num-traits v0.2.17
[INFO] [stderr]    Compiling lock_api v0.4.11
[INFO] [stderr]    Compiling regex-syntax v0.8.2
[INFO] [stderr]    Compiling futures-sink v0.3.29
[INFO] [stderr]    Compiling futures-util v0.3.29
[INFO] [stderr]    Compiling parking_lot_core v0.9.9
[INFO] [stderr]    Compiling futures-io v0.3.29
[INFO] [stderr]    Compiling smallvec v1.11.1
[INFO] [stderr]    Compiling doc-comment v0.3.3
[INFO] [stderr]    Compiling either v1.9.0
[INFO] [stderr]    Compiling predicates-core v1.0.6
[INFO] [stderr]    Compiling difflib v0.4.0
[INFO] [stderr]    Compiling termtree v0.4.1
[INFO] [stderr]    Compiling anstyle v1.0.4
[INFO] [stderr]    Compiling hashbrown v0.14.2
[INFO] [stderr]    Compiling normalize-line-endings v0.3.0
[INFO] [stderr]    Compiling aho-corasick v1.1.2
[INFO] [stderr]    Compiling predicates-tree v1.0.9
[INFO] [stderr]    Compiling wait-timeout v0.2.0
[INFO] [stderr]    Compiling log v0.4.20
[INFO] [stderr]    Compiling itertools v0.11.0
[INFO] [stderr]    Compiling _20_web_server v0.1.0 (/opt/rustwide/workdir/src/book/_20_web_server)
[INFO] [stderr]    Compiling _19_hello_macro v0.1.0 (/opt/rustwide/workdir/src/book/_19_hello_macro)
[INFO] [stderr]    Compiling parking_lot v0.12.1
[INFO] [stderr]    Compiling quote v1.0.33
[INFO] [stderr]    Compiling dashmap v5.5.3
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]    Compiling syn v2.0.39
[INFO] [stderr]    Compiling float-cmp v0.9.0
[INFO] [stderr]    Compiling regex-automata v0.4.3
[INFO] [stderr]    Compiling _19_hello_macro_derive v0.1.0 (/opt/rustwide/workdir/src/book/_19_hello_macro/_19_hello_macro_derive)
[INFO] [stderr]    Compiling learning-rust v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]    Compiling serial_test_derive v2.0.0
[INFO] [stderr]    Compiling futures-executor v0.3.29
[INFO] [stderr]    Compiling futures v0.3.29
[INFO] [stderr]    Compiling serial_test v2.0.0
[INFO] [stderr]    Compiling regex v1.10.2
[INFO] [stderr]    Compiling bstr v1.7.0
[INFO] [stderr]    Compiling predicates v3.0.4
[INFO] [stderr]    Compiling assert_cmd v2.0.12
[INFO] [stderr]    Compiling _12_minigrep v0.1.0 (/opt/rustwide/workdir/src/book/_12_minigrep)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 19.30s
[INFO] running `Command { std: "docker" "inspect" "ab6f118033d9706788fceeb1a1982d1c38bffcc78e62fcf07b6d7c81fa616d58", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ab6f118033d9706788fceeb1a1982d1c38bffcc78e62fcf07b6d7c81fa616d58", kill_on_drop: false }`
[INFO] [stdout] ab6f118033d9706788fceeb1a1982d1c38bffcc78e62fcf07b6d7c81fa616d58
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-09-21" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 6827911c2d3b4377c6fc30982f2bcffba121e7e98dc858266f0866a9b8c16c89
[INFO] running `Command { std: "docker" "start" "-a" "6827911c2d3b4377c6fc30982f2bcffba121e7e98dc858266f0866a9b8c16c89", kill_on_drop: false }`
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.11s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/_12_minigrep-f7afd60e62753e9a)
[INFO] [stdout] 
[INFO] [stdout] running 5 tests
[INFO] [stdout] test config::tests::parses_args_to_config ... ok
[INFO] [stderr]      Running unittests src/main.rs (/opt/rustwide/target/debug/deps/_12_minigrep-7fe217ceab10ef9b)
[INFO] [stdout] test config::tests::prints_usage_when_args_are_missing ... ok
[INFO] [stderr]      Running tests/minigrep_main_test.rs (/opt/rustwide/target/debug/deps/minigrep_main_test-3c7c658cd49a0a5b)
[INFO] [stdout] test config::tests::sets_ignore_case_when_ignore_case_env_var_is_defined ... ok
[INFO] [stdout] test tests::searches_case_insensitive ... ok
[INFO] [stdout] test tests::searches_case_sensitive ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 5 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.01s
[INFO] [stdout] 
[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; finished in 0.00s
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 2 tests
[INFO] [stdout] test minigrep_main_tests::searches_case_sensitive ... ok
[INFO] [stdout] test minigrep_main_tests::searches_case_insensitive ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 2 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.01s
[INFO] [stdout] 
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/_19_hello_macro-b332bad3b0f712a5)
[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; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/_19_hello_macro_derive-d4e893e51d1e2caa)
[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; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/_20_web_server-b4e9f23f49a507f5)
[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; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]      Running unittests src/main.rs (/opt/rustwide/target/debug/deps/_20_web_server-9bc752ea2a40efde)
[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; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/learning_rust-9baca363459e4e48)
[INFO] [stdout] 
[INFO] [stdout] running 156 tests
[INFO] [stdout] test book::_03_functions_and_variables::tests::for_range_works ... ok
[INFO] [stdout] test book::_03_functions_and_variables::tests::if_else_works ... ok
[INFO] [stdout] test book::_03_functions_and_variables::tests::immutable_variable_works ... ok
[INFO] [stdout] test book::_04_ownership::tests::borrowing_to_keep_ownership ... ok
[INFO] [stdout] test book::_04_ownership::tests::cannot_have_more_than_one_mutable_reference ... ok
[INFO] [stdout] test book::_03_functions_and_variables::tests::mutable_variable_works ... ok
[INFO] [stdout] test book::_04_ownership::tests::function_call_copies_like_variable_assignation ... ok
[INFO] [stdout] test book::_04_ownership::tests::copies_data_on_stack ... ok
[INFO] [stdout] test book::_03_functions_and_variables::tests::tuple_works ... ok
[INFO] [stdout] test book::_04_ownership::tests::cannot_mix_mutable_and_immutable_references ... ok
[INFO] [stdout] test book::_04_ownership::tests::ownership_rules ... ok
[INFO] [stdout] test book::_04_ownership::tests::stack_is_fix ... ok
[INFO] [stdout] test book::_04_ownership::tests::use_mutable_reference_to_allow_changes ... ok
[INFO] [stdout] test book::_05_structs::tests::mutates_a_struct ... ok
[INFO] [stdout] test book::_05_structs::tests::struct_can_have_static_method_aka_associated_function ... ok
[INFO] [stdout] test book::_06_enums::tests::unwrap_option_with_default ... ok
[INFO] [stdout] test book::_05_structs::tests::struct_can_have_method_using_impl ... ok
[INFO] [stdout] test book::_05_structs::tests::struct_updates_syntax_copies_data ... ok
[INFO] [stdout] test book::_06_enums::tests::if_let_syntax_for_only_one_case_of_match ... ok
[INFO] [stdout] test book::_06_enums::tests::enums_can_store_data ... ok
[INFO] [stdout] test book::_08_collections::tests::hashmaps_are_updated ... ok
[INFO] [stdout] test book::_04_ownership::tests::references_are_dropped_at_last_use ... ok
[INFO] [stdout] test book::_06_enums::tests::use_simple_enums ... ok
[INFO] [stdout] test book::_08_collections::tests::hashmaps_are_created_easily_with_from ... ok
[INFO] [stdout] test book::_08_collections::tests::strings_are_joined_with_format ... ok
[INFO] [stdout] test book::_08_collections::tests::strings_are_all_created_equal ... ok
[INFO] [stdout] test book::_04_ownership::tests::function_return_moves_returned_value ... ok
[INFO] [stdout] test book::_03_functions_and_variables::tests::const_needs_to_be_typed ... ok
[INFO] [stdout] test book::_08_collections::tests::hashmaps_are_created ... ok
[INFO] [stdout] test book::_04_ownership::tests::function_call_moves_like_variable_assignation ... ok
[INFO] [stdout] test book::_09_errors::tests::errors_can_be_propagated_with_question_mark ... ok
[INFO] [stdout] test book::_09_errors::tests::result_enum_represents_success_or_failure ... ok
[INFO] [stdout] test book::_08_collections::tests::strings_are_modified ... ok
[INFO] [stdout] test book::_08_collections::tests::vectors_get ... ok
[INFO] [stdout] test book::_04_ownership::tests::moves_data_on_heap ... ok
[INFO] [stdout] test book::_08_collections::tests::strings_are_joined_with_plus ... ok
[INFO] [stdout] test book::_08_collections::tests::strings_are_stored_as_a_collection_of_utf8_chars ... ok
[INFO] [stdout] test book::_10_lifetimes::tests::generic_lifetime_annotation_describes_relationship_between_lifetimes_of_multiple_references ... ok
[INFO] [stdout] test book::_08_collections::tests::vectors_are_created_and_modified ... ok
[INFO] [stdout] test book::_10_lifetimes::tests::impl_on_struct_with_lifetime ... ok
[INFO] [stdout] test book::_09_errors::tests::panic_is_unrecoverable - should panic ... ok
[INFO] [stdout] test book::_10_generic_types::tests::generics_work_for_defined_type ... ok
[INFO] [stdout] test book::_10_generic_types::tests::generics_work_as_expected_for_char ... ok
[INFO] [stdout] test book::_10_lifetimes::tests::return_value_has_the_lifetime_of_the_smallest_params_lifetime ... ok
[INFO] [stdout] test book::_10_traits::tests::traits_can_be_used_as_parameters ... ok
[INFO] [stdout] test book::_10_lifetimes::tests::static_lifetime_can_live_as_long_as_the_program ... ok
[INFO] [stdout] test book::_10_traits::tests::traits_can_impl_other_traits_aka_blanket_implementations ... ok
[INFO] [stdout] test book::_10_traits::tests::traits_are_like_interfaces ... ok
[INFO] [stdout] test book::_10_traits::tests::traits_can_be_returned ... ok
[INFO] [stdout] test book::_11_tests::tests::assert_eq_works ... ok
[INFO] [stdout] test book::_10_lifetimes::tests::structs_can_hold_references_with_lifetimes ... ok
[INFO] [stdout] test book::_10_traits::tests::traits_can_bound_generics_using_where_or_plus ... ok
[INFO] [stdout] test book::_10_traits::tests::traits_can_have_default_implementation ... ok
[INFO] [stdout] test book::_11_tests::tests::assert_ne_works ... ok
[INFO] [stdout] test book::_11_tests::tests::assert_works_for_booleans ... ok
[INFO] [stdout] test book::_11_tests::tests::result_works_too ... ok
[INFO] [stdout] test book::_13_closures::tests::closure_can_take_ownership ... ok
[INFO] [stdout] test book::_13_iterators::tests::filter_map_works ... ok
[INFO] [stdout] test book::_13_closures::tests::closures_can_be_passed_as_parameters ... ok
[INFO] [stdout] test book::_13_closures::tests::closures_capture_variable_immutable ... ok
[INFO] [stdout] test book::_13_closures::tests::closures_capture_variable_mutable ... ok
[INFO] [stdout] test book::_13_closures::tests::closures_params_and_return_types_are_optional ... ok
[INFO] [stdout] test book::_13_iterators::tests::all_works ... ok
[INFO] [stdout] test book::_13_iterators::tests::any_works ... ok
[INFO] [stdout] test book::_13_iterators::tests::count_works ... ok
[INFO] [stdout] test book::_14_doctest::tests::doc_test_runs_with_tests ... ok
[INFO] [stdout] test book::_13_iterators::tests::cycle_works ... ok
[INFO] [stdout] test book::_13_iterators::tests::filter_works ... ok
[INFO] [stdout] test book::_13_iterators::tests::first_and_last_works ... ok
[INFO] [stdout] test book::_13_iterators::tests::partition_groups_by ... ok
[INFO] [stdout] test book::_13_iterators::tests::reduce_works ... ok
[INFO] [stdout] test book::_13_iterators::tests::reverse_works ... ok
[INFO] [stdout] test book::_13_iterators::tests::slice_works ... ok
[INFO] [stdout] test book::_13_iterators::tests::sort_works ... ok
[INFO] [stdout] test book::_13_iterators::tests::sum_works ... ok
[INFO] [stdout] test book::_13_iterators::tests::min_max_works ... ok
[INFO] [stdout] test book::_15_box::tests::access_box_data_with_dereference ... ok
[INFO] [stdout] test book::_15_box::tests::create_box_with_new ... ok
[INFO] [stdout] test book::_15_box::tests::enable_recursion_with_box_since_it_size_is_known_at_compile_time ... ok
[INFO] [stdout] test book::_15_deref_and_drop::tests::drop_trait_is_called_when_variable_goes_out_of_scope ... ok
[INFO] [stdout] test book::_15_deref_and_drop::tests::auto_deref_on_vec ... ok
[INFO] [stdout] test book::_15_deref_and_drop::tests::deref_trait_allows_to_dereference ... ok
[INFO] [stdout] test book::_15_deref_and_drop::tests::rust_has_automatic_deref_coercion ... ok
[INFO] [stdout] test book::_15_mocks::tests::sends_an_over_75_percent_warning_message ... ok
[INFO] [stdout] test book::_15_rc_smart_pointer::tests::access_rc_data_with_deref ... ok
[INFO] [stdout] test book::_15_refcell_smart_pointer::tests::access_refcell_with_borrow ... ok
[INFO] [stdout] test book::_15_deref_and_drop::tests::deref_mut_works_too ... ok
[INFO] [stdout] test book::_13_iterators::tests::map_works ... ok
[INFO] [stdout] test book::_15_refcell_smart_pointer::tests::change_refcell_with_borrow_mut ... ok
[INFO] [stdout] test book::_15_refcell_smart_pointer::tests::combine_rc_and_refcell_to_have_multiple_owners_of_mut_data ... ok
[INFO] [stdout] test book::_15_rc_smart_pointer::tests::refs_are_counted_with_strong_count ... ok
[INFO] [stdout] test book::_15_rc_smart_pointer::tests::share_rc_ownership_with_clone ... ok
[INFO] [stdout] test book::_15_weak_smart_pointer::tests::create_empty_weak_pointer_with_new ... ok
[INFO] [stdout] test book::_15_refcell_smart_pointer::tests::cant_borrow_mut_twice - should panic ... FAILED
[INFO] [stdout] test book::_16_fearless_concurrency::tests::create_mutex_with_new ... ok
[INFO] [stdout] test book::_13_iterators::tests::inspect_seems_helpful ... ok
[INFO] [stdout] test book::_16_fearless_concurrency::tests::create_multiple_transmitter_with_clone ... ok
[INFO] [stdout] test book::_15_refcell_smart_pointer::tests::create_refcell_with_new ... ok
[INFO] [stdout] test book::_15_rc_smart_pointer::tests::create_rc_with_new ... ok
[INFO] [stdout] test book::_16_fearless_concurrency::tests::receive_multiple_values_like_an_iterator ... ok
[INFO] [stdout] test book::_15_weak_smart_pointer::tests::create_a_weak_pointer_with_downgrade_from_a_rc ... ok
[INFO] [stdout] test book::_15_weak_smart_pointer::tests::counts_weak_refs ... ok
[INFO] [stdout] test book::_16_fearless_concurrency::tests::take_ownership_with_move ... ok
[INFO] [stdout] test book::_17_oop::tests::oop_using_impl_struct ... ok
[INFO] [stdout] test book::_18_patterns_matching::tests::match_array_works ... ok
[INFO] [stdout] test book::_18_patterns_matching::tests::destructing_enum_works ... ok
[INFO] [stdout] test book::_18_patterns_matching::tests::match_literal_works ... ok
[INFO] [stdout] test book::_17_oop::tests::trait_as_generics_only_accepts_same_impl ... ok
[INFO] [stdout] test book::_18_patterns_matching::tests::destructing_struct_works ... ok
[INFO] [stdout] test book::_18_patterns_matching::tests::match_multiple_patterns ... ok
[INFO] [stdout] test book::_17_oop::tests::trait_as_box_dyn_accepts_all_impls ... ok
[INFO] [stdout] test book::_18_patterns_matching::tests::match_named_variable_works ... ok
[INFO] [stdout] test book::_18_patterns_matching::tests::match_slices_works ... ok
[INFO] [stdout] test book::_18_patterns_matching::tests::match_struct_works ... ok
[INFO] [stdout] test book::_18_patterns_matching::tests::irrefutable_and_refutable_patterns ... ok
[INFO] [stdout] test book::_18_patterns_matching::tests::match_vector_works ... ok
[INFO] [stdout] test book::_16_fearless_concurrency::tests::use_channel_to_transfer_data_between_threads ... ok
[INFO] [stdout] test book::_16_fearless_concurrency::tests::share_mutex_with_arc_smart_pointer ... ok
[INFO] [stdout] test book::_18_patterns_matching::tests::match_tuple_like_array ... ok
[INFO] [stdout] test book::_18_patterns_matching::tests::pattern_matching_param ... ok
[INFO] [stdout] test book::_19_advanced_functions_and_closures::tests::pass_function_pointers_to_functions ... ok
[INFO] [stdout] test book::_18_patterns_matching::tests::pattern_matching_value ... ok
[INFO] [stdout] test book::_19_advanced_functions_and_closures::tests::returns_closure_in_a_box_to_fix_the_size_of_the_return ... ok
[INFO] [stdout] test book::_19_advanced_functions_and_closures::tests::pass_function_pointers_to_map ... ok
[INFO] [stdout] test book::_19_advanced_functions_and_closures::tests::uses_enum_initializer_as_function_pointers ... ok
[INFO] [stdout] test book::_18_patterns_matching::tests::matches_macro_works ... ok
[INFO] [stdout] test book::_19_advanced_traits::tests::learning_default_trait_parameters_type ... ok
[INFO] [stdout] test book::_19_advanced_traits::tests::another_example ... ok
[INFO] [stdout] test book::_19_advanced_traits::tests::learning_traits_with_generics ... ok
[INFO] [stdout] test book::_19_advanced_traits::tests::use_new_type_pattern_to_implement_trait_on_struct_outside_crate_aka_orphan_rule ... ok
[INFO] [stdout] test book::_19_advanced_traits::tests::using_super_traits ... ok
[INFO] [stdout] test book::_16_fearless_concurrency::tests::create_thread_with_spawn ... ok
[INFO] [stdout] test book::_19_advanced_types::tests::new_types_pattern_helps_specify_type ... ok
[INFO] [stdout] test book::_19_advanced_types::tests::type_aliases_to_name_a_type ... ok
[INFO] [stdout] test book::_19_advanced_types::tests::type_aliases_to_simplify_complex_type ... ok
[INFO] [stdout] test book::_19_advanced_traits::tests::learning_traits_with_associated_type ... ok
[INFO] [stdout] test book::_19_macros::tests::learning_custom_derive_procedural_macros ... ok
[INFO] [stdout] test book::_19_macros::tests::unlike_fn_macros_can_accept_a_variable_number_of_params ... ok
[INFO] [stdout] test book::_19_macros::tests::vec_is_a_declarative_macro ... ok
[INFO] [stdout] test book::_19_unsafe_rust::tests::allows_accessing_fields_of_a_union ... ok
[INFO] [stdout] test book::_19_unsafe_rust::tests::allows_calling_an_unsafe_function_or_method ... ok
[INFO] [stdout] test book::_19_unsafe_rust::tests::allows_implementing_an_unsafe_trait ... ok
[INFO] [stdout] test book::_19_unsafe_rust::tests::allows_to_deference_a_pointer ... ok
[INFO] [stdout] test kata::fizz_buzz::tests::prints_fizzbuzz_for_multiple_of_3_and_5 ... ok
[INFO] [stdout] test kata::fizz_buzz::tests::prints_the_given_number ... ok
[INFO] [stdout] test kata::fizz_buzz::tests::prints_fizz_for_multiple_of_3 ... ok
[INFO] [stdout] test learnings::dyn_box_vs_generics::tests::conditional_types_with_dyn_box ... ok
[INFO] [stdout] test kata::fizz_buzz::tests::prints_buzz_for_multiple_of_5 ... ok
[INFO] [stdout] test learnings::dyn_box_vs_generics::tests::conditional_types_with_generics_does_not_compile ... ok
[INFO] [stdout] test learnings::dyn_box_vs_generics::tests::struct_with_a_trait_does_not_compile ... ok
[INFO] [stdout] test learnings::dyn_box_vs_generics::tests::struct_with_dyn_box ... ok
[INFO] [stdout] test learnings::dyn_box_vs_generics::tests::struct_with_generics ... ok
[INFO] [stdout] test learnings::dyn_box_vs_generics::tests::wrap_generics ... ok
[INFO] [stdout] test book::_16_fearless_concurrency::tests::wait_for_threads_to_finish_with_join ... ok
[INFO] [stdout] test book::_10_generic_types::tests::generics_work_as_expected_for_int ... ok
[INFO] [stdout] test book::_05_structs::tests::lets_use_a_struct ... ok
[INFO] [stderr] error: test failed, to rerun pass `-p learning-rust --lib`
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout] 
[INFO] [stdout] ---- book::_15_refcell_smart_pointer::tests::cant_borrow_mut_twice stdout ----
[INFO] [stdout] note: panic did not contain expected string
[INFO] [stdout]       panic message: "RefCell already borrowed"
[INFO] [stdout]  expected substring: "already borrowed: BorrowMutError"
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout]     book::_15_refcell_smart_pointer::tests::cant_borrow_mut_twice
[INFO] [stdout] 
[INFO] [stdout] test result: FAILED. 155 passed; 1 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.11s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "6827911c2d3b4377c6fc30982f2bcffba121e7e98dc858266f0866a9b8c16c89", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6827911c2d3b4377c6fc30982f2bcffba121e7e98dc858266f0866a9b8c16c89", kill_on_drop: false }`
[INFO] [stdout] 6827911c2d3b4377c6fc30982f2bcffba121e7e98dc858266f0866a9b8c16c89
