[INFO] fetching crate scout 2.2.0...
[INFO] testing scout-2.2.0 against beta-2021-01-01 for beta-1.50-1
[INFO] extracting crate scout 2.2.0 into /workspace/builds/worker-0/source
[INFO] validating manifest of crates.io crate scout 2.2.0 on toolchain beta-2021-01-01
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-01-01" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate scout 2.2.0
[INFO] finished tweaking crates.io crate scout 2.2.0
[INFO] tweaked toml for crates.io crate scout 2.2.0 written to /workspace/builds/worker-0/source/Cargo.toml
[INFO] crate crates.io crate scout 2.2.0 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-01-01" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded polling v0.1.5
[INFO] [stderr]   Downloaded async-executor v0.2.0
[INFO] [stderr]   Downloaded async-fs v1.1.1
[INFO] [stderr]   Downloaded async-process v0.1.3
[INFO] [stderr]   Downloaded smol v0.4.1
[INFO] [stderr]   Downloaded async-rwlock v1.0.1
[INFO] [stderr]   Downloaded blocking v0.6.1
[INFO] [stderr]   Downloaded async-net v1.0.0
[INFO] [stderr]   Downloaded futures-lite v1.0.0
[INFO] [stderr]   Downloaded async-lock v2.0.1
[INFO] [stderr]   Downloaded async-io v0.2.5
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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" "rustops/crates-build-env@sha256:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-01-01" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 96a9efd61c509261972614f352af58591a60f43c8f5274c913e60a83e7640451
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "96a9efd61c509261972614f352af58591a60f43c8f5274c913e60a83e7640451", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "96a9efd61c509261972614f352af58591a60f43c8f5274c913e60a83e7640451", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "96a9efd61c509261972614f352af58591a60f43c8f5274c913e60a83e7640451", kill_on_drop: false }`
[INFO] [stdout] 96a9efd61c509261972614f352af58591a60f43c8f5274c913e60a83e7640451
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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" "rustops/crates-build-env@sha256:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-01-01" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 0f919286d175566ad4dad7766a483af389d8d85221023262ceecbd1cef99a9b2
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "0f919286d175566ad4dad7766a483af389d8d85221023262ceecbd1cef99a9b2", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.76
[INFO] [stderr]    Compiling syn v1.0.39
[INFO] [stderr]    Compiling futures-io v0.3.5
[INFO] [stderr]    Compiling once_cell v1.4.1
[INFO] [stderr]    Compiling fastrand v1.3.4
[INFO] [stderr]    Compiling wasm-bindgen-shared v0.2.67
[INFO] [stderr]    Compiling event-listener v2.4.0
[INFO] [stderr]    Compiling bumpalo v3.4.0
[INFO] [stderr]    Compiling futures-sink v0.3.5
[INFO] [stderr]    Compiling wasm-bindgen v0.2.67
[INFO] [stderr]    Compiling vec-arena v0.5.2
[INFO] [stderr]    Compiling async-task v3.0.0
[INFO] [stderr]    Compiling arc-swap v0.4.7
[INFO] [stderr]    Compiling rayon-core v1.8.0
[INFO] [stderr]    Compiling parking v1.0.6
[INFO] [stderr]    Compiling send_wrapper v0.4.0
[INFO] [stderr]    Compiling either v1.6.0
[INFO] [stderr]    Compiling memoffset v0.5.5
[INFO] [stderr]    Compiling rayon v1.4.0
[INFO] [stderr]    Compiling futures-channel v0.3.5
[INFO] [stderr]    Compiling futures-task v0.3.5
[INFO] [stderr]    Compiling async-channel v1.4.1
[INFO] [stderr]    Compiling async-mutex v1.1.5
[INFO] [stderr]    Compiling multitask v0.2.0
[INFO] [stderr]    Compiling futures-lite v1.0.0
[INFO] [stderr]    Compiling futures-lite v0.1.11
[INFO] [stderr]    Compiling crossbeam-channel v0.4.3
[INFO] [stderr]    Compiling async-rwlock v1.0.1
[INFO] [stderr]    Compiling async-lock v2.0.1
[INFO] [stderr]    Compiling blocking v0.5.2
[INFO] [stderr]    Compiling crossbeam-epoch v0.8.2
[INFO] [stderr]    Compiling blocking v0.6.1
[INFO] [stderr]    Compiling async-executor v0.2.0
[INFO] [stderr]    Compiling crossbeam-deque v0.7.3
[INFO] [stderr]    Compiling async-fs v1.1.1
[INFO] [stderr]    Compiling polling v0.1.5
[INFO] [stderr]    Compiling socket2 v0.3.12
[INFO] [stderr]    Compiling num_cpus v1.13.0
[INFO] [stderr]    Compiling signal-hook-registry v1.2.1
[INFO] [stderr]    Compiling atty v0.2.14
[INFO] [stderr]    Compiling dirs-sys v0.3.5
[INFO] [stderr]    Compiling termios v0.3.2
[INFO] [stderr]    Compiling termion v1.5.5
[INFO] [stderr]    Compiling clap v2.33.3
[INFO] [stderr]    Compiling env_logger v0.7.1
[INFO] [stderr]    Compiling dirs v3.0.1
[INFO] [stderr]    Compiling signal-hook v0.1.16
[INFO] [stderr]    Compiling async-io v0.2.5
[INFO] [stderr]    Compiling async-io v0.1.11
[INFO] [stderr]    Compiling async-process v0.1.3
[INFO] [stderr]    Compiling async-net v1.0.0
[INFO] [stderr]    Compiling async-executor v0.1.2
[INFO] [stderr]    Compiling smol v0.4.1
[INFO] [stderr]    Compiling wasm-bindgen-backend v0.2.67
[INFO] [stderr]    Compiling wasm-bindgen-macro-support v0.2.67
[INFO] [stderr]    Compiling pin-project-internal v0.4.23
[INFO] [stderr]    Compiling futures-macro v0.3.5
[INFO] [stderr]    Compiling serde_derive v1.0.115
[INFO] [stderr]    Compiling wasm-bindgen-macro v0.2.67
[INFO] [stderr]    Compiling js-sys v0.3.44
[INFO] [stderr]    Compiling pin-project v0.4.23
[INFO] [stderr]    Compiling futures-util v0.3.5
[INFO] [stderr]    Compiling serde v1.0.115
[INFO] [stderr]    Compiling web-sys v0.3.44
[INFO] [stderr]    Compiling futures-executor v0.3.5
[INFO] [stderr]    Compiling futures v0.3.5
[INFO] [stderr]    Compiling gloo-timers v0.2.1
[INFO] [stderr]    Compiling futures-timer v3.0.2
[INFO] [stderr]    Compiling toml v0.5.6
[INFO] [stderr]    Compiling async-std v1.6.3
[INFO] [stderr]    Compiling scout v2.2.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1m 23s
[INFO] running `Command { std: "docker" "inspect" "0f919286d175566ad4dad7766a483af389d8d85221023262ceecbd1cef99a9b2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0f919286d175566ad4dad7766a483af389d8d85221023262ceecbd1cef99a9b2", kill_on_drop: false }`
[INFO] [stdout] 0f919286d175566ad4dad7766a483af389d8d85221023262ceecbd1cef99a9b2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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" "rustops/crates-build-env@sha256:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-01-01" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] f4768a1bfc3daf3b39e14a95ada5151348f7bdb85e0e401b20161edc073c6a8c
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "f4768a1bfc3daf3b39e14a95ada5151348f7bdb85e0e401b20161edc073c6a8c", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling scout v2.2.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 4.09s
[INFO] running `Command { std: "docker" "inspect" "f4768a1bfc3daf3b39e14a95ada5151348f7bdb85e0e401b20161edc073c6a8c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f4768a1bfc3daf3b39e14a95ada5151348f7bdb85e0e401b20161edc073c6a8c", kill_on_drop: false }`
[INFO] [stdout] f4768a1bfc3daf3b39e14a95ada5151348f7bdb85e0e401b20161edc073c6a8c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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" "rustops/crates-build-env@sha256:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-01-01" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 365798932c266b26379de5fe80faa4d96a23de79ecf0758e4ca66ac4460a56f6
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "365798932c266b26379de5fe80faa4d96a23de79ecf0758e4ca66ac4460a56f6", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.09s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/scout-da09f788c402292b
[INFO] [stdout] 
[INFO] [stdout] running 25 tests
[INFO] [stdout] test config::styling::tests::style_from_str_with_background_color_test ... ok
[INFO] [stdout] test config::styling::tests::style_deserialization_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_bright_background_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_many_rules_test ... ok
[INFO] [stdout] test config::styling::tests::style_from_str_with_foreground_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_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_one_rule_test ... ok
[INFO] [stdout] test config::styling::tests::style_from_str_with_unknown_rules_test ... ok
[INFO] [stdout] test fuzzy::predicates::tests::is_word_separator_test ... ok
[INFO] [stdout] test fuzzy::predicates::tests::is_end_of_word_test ... ok
[INFO] [stdout] test fuzzy::predicates::tests::is_a_unique_acronym_test ... ok
[INFO] [stdout] test fuzzy::scoring::tests::score_acronyms_test ... ok
[INFO] [stdout] test fuzzy::predicates::tests::is_start_of_word_test ... ok
[INFO] [stdout] test fuzzy::scoring::tests::score_acronyms_with_no_results_test ... ok
[INFO] [stdout] test fuzzy::scoring::tests::score_consecutives_test ... ok
[INFO] [stdout] test fuzzy::predicates::tests::is_match_test ... ok
[INFO] [stdout] test fuzzy::tests::matches_test ... ok
[INFO] [stdout] test fuzzy::tests::compute_match_on_different_queries_test ... ok
[INFO] [stdout] test fuzzy::scoring::tests::score_exact_match_test ... ok
[INFO] [stdout] test fuzzy::scoring::tests::score_exact_match_with_no_results_test ... ok
[INFO] [stdout] test fuzzy::scoring::tests::sequence_position_test ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 25 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/fuzzy_search_test-50dddab63298cf90
[INFO] [stdout] 
[INFO] [stdout] running 34 tests
[INFO] [stdout] test search_allows_camel_case_to_match_across_words_test ... ok
[INFO] [stdout] test search_consecutive_letters_vs_scattered_test ... ok
[INFO] [stdout] test search_exact_match_case_insensitive_over_complete_word_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_consecutive_letters_in_path_overcome_deeper_path_test ... ok
[INFO] [stdout] test search_allows_camel_case_to_match_even_outside_of_acronym_prefix_test ... ok
[INFO] [stdout] test search_exact_match_prefers_single_letter_start_of_world_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_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_consecutive_letters_preference_test ... ok
[INFO] [stdout] test search_exact_match_end_word_boundaries_test ... ok
[INFO] [stdout] test search_exact_match_selects_better_occurences_test ... ok
[INFO] [stdout] test search_exact_match_preference_test ... ok
[INFO] [stdout] test search_exact_match_start_word_boundaries_test ... ok
[INFO] [stdout] test search_exact_match_test ... ok
[INFO] [stdout] test search_prefers_acronym_matches_that_correspond_to_the_full_candidate_acronym_test ... ok
[INFO] [stdout] test search_consecutive_letters_preference_vs_directory_depth_test ... ok
[INFO] [stdout] test search_prefers_camel_case_in_shorter_haystacks_test ... ok
[INFO] [stdout] test search_exact_match_prefers_smaller_haystack_test ... ok
[INFO] [stdout] test search_accounts_for_match_structure_in_camel_case_vs_substring_matches_test ... ok
[INFO] [stdout] test search_when_the_query_is_empty_test ... ok
[INFO] [stdout] test search_using_fancy_letters_test ... ok
[INFO] [stdout] test search_weighs_case_sensitive_machtes_vs_directory_depth_test ... ok
[INFO] [stdout] test search_prefers_longer_acronym_to_a_smaller_case_sensitive_one_test ... ok
[INFO] [stdout] test search_weighs_acronyms_higher_than_middle_word_letter_test ... ok
[INFO] [stdout] test search_prefers_larger_groups_of_consecutive_letters_test ... ok
[INFO] [stdout] test search_weighs_acronyms_higher_than_middle_word_exact_match_test ... ok
[INFO] [stdout] test search_prefers_camel_case_that_happens_sooner_test ... ok
[INFO] [stdout] test search_prefers_larger_groups_of_consecutive_letters_vs_better_context_test ... ok
[INFO] [stdout] test search_when_there_are_no_results_test ... ok
[INFO] [stdout] test search_weighs_abbreviation_matches_after_spaces_underscores_and_dashes_the_same_test ... ok
[INFO] [stdout] test search_weighs_exact_case_matches_higher_test ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 34 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.02s
[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" "365798932c266b26379de5fe80faa4d96a23de79ecf0758e4ca66ac4460a56f6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "365798932c266b26379de5fe80faa4d96a23de79ecf0758e4ca66ac4460a56f6", kill_on_drop: false }`
[INFO] [stdout] 365798932c266b26379de5fe80faa4d96a23de79ecf0758e4ca66ac4460a56f6