[INFO] fetching crate scout 2.4.1...
[INFO] testing scout-2.4.1 against beta-2021-09-08 for beta-1.56-1
[INFO] extracting crate scout 2.4.1 into /workspace/builds/worker-15/source
[INFO] validating manifest of crates.io crate scout 2.4.1 on toolchain beta-2021-09-08
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-09-08" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate scout 2.4.1
[INFO] finished tweaking crates.io crate scout 2.4.1
[INFO] tweaked toml for crates.io crate scout 2.4.1 written to /workspace/builds/worker-15/source/Cargo.toml
[INFO] crate crates.io crate scout 2.4.1 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-09-08" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded signal-hook v0.3.7
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-15/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-15/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-09-08" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 5180ba01f5dd3538871d7aeed34d8dd530e0470a6bcc7b349c1cda31e45c49ff
[INFO] running `Command { std: "docker" "start" "-a" "5180ba01f5dd3538871d7aeed34d8dd530e0470a6bcc7b349c1cda31e45c49ff", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "5180ba01f5dd3538871d7aeed34d8dd530e0470a6bcc7b349c1cda31e45c49ff", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5180ba01f5dd3538871d7aeed34d8dd530e0470a6bcc7b349c1cda31e45c49ff", kill_on_drop: false }`
[INFO] [stdout] 5180ba01f5dd3538871d7aeed34d8dd530e0470a6bcc7b349c1cda31e45c49ff
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-15/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-15/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" "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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-09-08" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 2f065da5411b4453c69f14e0e17accfa42178e3f21323ab018762d48735411d1
[INFO] running `Command { std: "docker" "start" "-a" "2f065da5411b4453c69f14e0e17accfa42178e3f21323ab018762d48735411d1", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.24
[INFO] [stderr]    Compiling libc v0.2.89
[INFO] [stderr]    Compiling unicode-xid v0.2.1
[INFO] [stderr]    Compiling syn v1.0.64
[INFO] [stderr]    Compiling memchr v2.3.4
[INFO] [stderr]    Compiling futures-core v0.3.13
[INFO] [stderr]    Compiling value-bag v1.0.0-alpha.6
[INFO] [stderr]    Compiling pin-project-lite v0.2.6
[INFO] [stderr]    Compiling futures-io v0.3.13
[INFO] [stderr]    Compiling log v0.4.14
[INFO] [stderr]    Compiling cache-padded v1.1.1
[INFO] [stderr]    Compiling lazy_static v1.4.0
[INFO] [stderr]    Compiling parking v2.0.0
[INFO] [stderr]    Compiling fastrand v1.4.0
[INFO] [stderr]    Compiling event-listener v2.5.1
[INFO] [stderr]    Compiling waker-fn v1.1.0
[INFO] [stderr]    Compiling proc-macro-hack v0.5.19
[INFO] [stderr]    Compiling once_cell v1.7.2
[INFO] [stderr]    Compiling cfg-if v0.1.10
[INFO] [stderr]    Compiling proc-macro-nested v0.1.7
[INFO] [stderr]    Compiling vec-arena v1.0.0
[INFO] [stderr]    Compiling serde_derive v1.0.124
[INFO] [stderr]    Compiling async-task v4.0.3
[INFO] [stderr]    Compiling slab v0.4.2
[INFO] [stderr]    Compiling scopeguard v1.1.0
[INFO] [stderr]    Compiling rayon-core v1.9.0
[INFO] [stderr]    Compiling pin-utils v0.1.0
[INFO] [stderr]    Compiling futures-sink v0.3.13
[INFO] [stderr]    Compiling signal-hook v0.3.7
[INFO] [stderr]    Compiling serde v1.0.124
[INFO] [stderr]    Compiling atomic-waker v1.0.0
[INFO] [stderr]    Compiling futures-task v0.3.13
[INFO] [stderr]    Compiling regex-syntax v0.6.23
[INFO] [stderr]    Compiling either v1.6.1
[INFO] [stderr]    Compiling humantime v2.1.0
[INFO] [stderr]    Compiling numtoa v0.1.0
[INFO] [stderr]    Compiling ansi_term v0.12.1
[INFO] [stderr]    Compiling futures-timer v3.0.2
[INFO] [stderr]    Compiling pico-args v0.4.0
[INFO] [stderr]    Compiling unicode-segmentation v1.7.1
[INFO] [stderr]    Compiling crossbeam-utils v0.8.3
[INFO] [stderr]    Compiling memoffset v0.6.1
[INFO] [stderr]    Compiling rayon v1.5.0
[INFO] [stderr]    Compiling concurrent-queue v1.2.2
[INFO] [stderr]    Compiling futures-channel v0.3.13
[INFO] [stderr]    Compiling async-mutex v1.4.0
[INFO] [stderr]    Compiling async-lock v2.3.0
[INFO] [stderr]    Compiling async-channel v1.6.1
[INFO] [stderr]    Compiling futures-lite v1.11.3
[INFO] [stderr]    Compiling aho-corasick v0.7.15
[INFO] [stderr]    Compiling quote v1.0.9
[INFO] [stderr]    Compiling socket2 v0.3.19
[INFO] [stderr]    Compiling num_cpus v1.13.0
[INFO] [stderr]    Compiling signal-hook-registry v1.3.0
[INFO] [stderr]    Compiling atty v0.2.14
[INFO] [stderr]    Compiling dirs-sys v0.3.5
[INFO] [stderr]    Compiling termion v1.5.6
[INFO] [stderr]    Compiling termios v0.3.3
[INFO] [stderr]    Compiling dirs v3.0.1
[INFO] [stderr]    Compiling crossbeam-epoch v0.9.3
[INFO] [stderr]    Compiling crossbeam-channel v0.5.0
[INFO] [stderr]    Compiling async-executor v1.4.0
[INFO] [stderr]    Compiling blocking v1.0.2
[INFO] [stderr]    Compiling nb-connect v1.0.3
[INFO] [stderr]    Compiling regex v1.4.5
[INFO] [stderr]    Compiling crossbeam-deque v0.8.0
[INFO] [stderr]    Compiling ctor v0.1.19
[INFO] [stderr]    Compiling futures-macro v0.3.13
[INFO] [stderr]    Compiling futures-util v0.3.13
[INFO] [stderr]    Compiling polling v2.0.2
[INFO] [stderr]    Compiling kv-log-macro v1.0.7
[INFO] [stderr]    Compiling env_logger v0.8.3
[INFO] [stderr]    Compiling async-io v1.3.1
[INFO] [stderr]    Compiling async-process v1.0.2
[INFO] [stderr]    Compiling async-global-executor v2.0.2
[INFO] [stderr]    Compiling async-std v1.9.0
[INFO] [stderr]    Compiling futures-executor v0.3.13
[INFO] [stderr]    Compiling futures v0.3.13
[INFO] [stderr]    Compiling toml v0.5.8
[INFO] [stderr]    Compiling scout v2.4.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 27.07s
[INFO] running `Command { std: "docker" "inspect" "2f065da5411b4453c69f14e0e17accfa42178e3f21323ab018762d48735411d1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2f065da5411b4453c69f14e0e17accfa42178e3f21323ab018762d48735411d1", kill_on_drop: false }`
[INFO] [stdout] 2f065da5411b4453c69f14e0e17accfa42178e3f21323ab018762d48735411d1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-15/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-15/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" "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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-09-08" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 505704aebec92656c47996b39fc5d21ef3cd342c1922e1eb3b8d07bcfeaefc9f
[INFO] running `Command { std: "docker" "start" "-a" "505704aebec92656c47996b39fc5d21ef3cd342c1922e1eb3b8d07bcfeaefc9f", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling scout v2.4.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 5.39s
[INFO] running `Command { std: "docker" "inspect" "505704aebec92656c47996b39fc5d21ef3cd342c1922e1eb3b8d07bcfeaefc9f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "505704aebec92656c47996b39fc5d21ef3cd342c1922e1eb3b8d07bcfeaefc9f", kill_on_drop: false }`
[INFO] [stdout] 505704aebec92656c47996b39fc5d21ef3cd342c1922e1eb3b8d07bcfeaefc9f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-15/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-15/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" "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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-09-08" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] a795fb42c2073c029a70cf710994cd35384aecf2ad0c382abe3274e2236a3b97
[INFO] running `Command { std: "docker" "start" "-a" "a795fb42c2073c029a70cf710994cd35384aecf2ad0c382abe3274e2236a3b97", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.13s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/scout-9f8fa6037497d756)
[INFO] [stdout] 
[INFO] [stdout] running 25 tests
[INFO] [stdout] test config::styling::tests::style_deserialization_test ... ok
[INFO] [stdout] test config::styling::tests::style_from_str_with_bright_background_color_test ... ok
[INFO] [stdout] test config::styling::tests::style_from_str_with_bright_foreground_color_test ... ok
[INFO] [stdout] test config::styling::tests::style_from_str_with_fixed_color_test ... ok
[INFO] [stdout] test config::styling::tests::style_from_str_with_background_color_test ... ok
[INFO] [stdout] test config::styling::tests::style_from_str_with_mixed_rules_and_colors_test ... ok
[INFO] [stdout] test config::styling::tests::style_from_str_with_many_rules_test ... ok
[INFO] [stdout] test fuzzy::predicates::tests::is_end_of_word_test ... ok
[INFO] [stdout] test config::styling::tests::style_from_str_with_none_rule_test ... ok
[INFO] [stdout] test config::styling::tests::style_from_str_with_rgb_color_test ... ok
[INFO] [stdout] test config::styling::tests::style_from_str_with_unknown_rules_test ... ok
[INFO] [stdout] test fuzzy::predicates::tests::is_a_unique_acronym_test ... ok
[INFO] [stdout] test config::styling::tests::style_from_str_with_one_rule_test ... ok
[INFO] [stdout] test config::styling::tests::style_from_str_with_foreground_color_test ... ok
[INFO] [stdout] test fuzzy::predicates::tests::is_match_test ... ok
[INFO] [stdout] test fuzzy::predicates::tests::is_start_of_word_test ... ok
[INFO] [stdout] test fuzzy::predicates::tests::is_word_separator_test ... ok
[INFO] [stdout] test fuzzy::scoring::tests::score_exact_match_test ... ok
[INFO] [stdout] test fuzzy::scoring::tests::sequence_position_test ... ok
[INFO] [stdout] test fuzzy::tests::matches_test ... ok
[INFO] [stdout] test fuzzy::scoring::tests::score_exact_match_with_no_results_test ... ok
[INFO] [stdout] test fuzzy::scoring::tests::score_acronyms_test ... ok
[INFO] [stdout] test fuzzy::scoring::tests::score_acronyms_with_no_results_test ... ok
[INFO] [stdout] test fuzzy::tests::compute_match_on_different_queries_test ... ok
[INFO] [stdout] test fuzzy::scoring::tests::score_consecutives_test ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 25 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.03s
[INFO] [stdout] 
[INFO] [stderr]      Running tests/fuzzy_search_test.rs (/opt/rustwide/target/debug/deps/fuzzy_search_test-b281de05513a122d)
[INFO] [stdout] 
[INFO] [stdout] running 34 tests
[INFO] [stdout] test search_when_the_query_is_empty_test ... ok
[INFO] [stdout] test search_when_there_are_no_results_test ... ok
[INFO] [stdout] test search_weighs_case_sensitive_machtes_vs_directory_depth_test ... ok
[INFO] [stdout] test search_weighs_acronyms_higher_than_middle_word_letter_test ... ok
[INFO] [stdout] test search_prefers_camel_case_that_happens_sooner_test ... ok
[INFO] [stdout] test search_using_fancy_letters_test ... ok
[INFO] [stdout] test search_consecutive_letters_vs_scattered_test ... ok
[INFO] [stdout] test search_consecutive_letters_in_path_overcome_deeper_path_test ... ok
[INFO] [stdout] test search_allows_camel_case_to_match_across_words_test ... ok
[INFO] [stdout] test search_weighs_acronyms_higher_than_middle_word_exact_match_test ... ok
[INFO] [stdout] test search_exact_match_prefers_smaller_haystack_test ... ok
[INFO] [stdout] test search_exact_match_selects_better_occurences_test ... ok
[INFO] [stdout] test search_exact_match_case_insensitive_over_complete_word_test ... ok
[INFO] [stdout] test search_prefers_camel_case_in_shorter_haystacks_test ... ok
[INFO] [stdout] test search_exact_match_test ... ok
[INFO] [stdout] test search_allows_camel_case_to_match_even_outside_of_acronym_prefix_test ... ok
[INFO] [stdout] test search_allows_to_select_between_snake_case_and_camel_case_using_case_of_query_test ... ok
[INFO] [stdout] test search_prefers_longer_acronym_to_a_smaller_case_sensitive_one_test ... ok
[INFO] [stdout] test search_weighs_exact_case_matches_higher_test ... ok
[INFO] [stdout] test search_consecutive_letters_preference_vs_directory_depth_test ... ok
[INFO] [stdout] test search_prefers_acronym_matches_that_correspond_to_the_full_candidate_acronym_test ... ok
[INFO] [stdout] test search_prefers_larger_groups_of_consecutive_letters_vs_better_context_test ... ok
[INFO] [stdout] test search_exact_match_end_word_boundaries_test ... ok
[INFO] [stdout] test search_prefers_larger_groups_of_consecutive_letters_test ... ok
[INFO] [stdout] test search_weighs_abbreviation_matches_after_spaces_underscores_and_dashes_the_same_test ... ok
[INFO] [stdout] test search_exact_match_prefers_match_at_start_of_string_test ... ok
[INFO] [stdout] test search_consecutive_matches_weigh_higher_at_start_of_word_or_base_name_test ... ok
[INFO] [stdout] test search_accounts_for_match_structure_in_camel_case_vs_substring_matches_test ... ok
[INFO] [stdout] test search_exact_match_preference_test ... ok
[INFO] [stdout] test search_accounts_for_case_in_camel_case_vs_substring_matches_test ... ok
[INFO] [stdout] test search_accounts_for_case_while_selecting_an_acronym ... ok
[INFO] [stdout] test search_exact_match_prefers_single_letter_start_of_world_test ... ok
[INFO] [stdout] test search_exact_match_start_word_boundaries_test ... ok
[INFO] [stdout] test search_consecutive_letters_preference_test ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 34 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.38s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests scout
[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] running `Command { std: "docker" "inspect" "a795fb42c2073c029a70cf710994cd35384aecf2ad0c382abe3274e2236a3b97", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a795fb42c2073c029a70cf710994cd35384aecf2ad0c382abe3274e2236a3b97", kill_on_drop: false }`
[INFO] [stdout] a795fb42c2073c029a70cf710994cd35384aecf2ad0c382abe3274e2236a3b97