[INFO] fetching crate benchit 0.1.2...
[INFO] testing benchit-0.1.2 against 1.99.0-beta.8+cargoflags=--release for beta-release-1.100-2
[INFO] extracting crate benchit 0.1.2 into /workspace/builds/worker-0-tc1/source
[INFO] started tweaking crates.io crate benchit 0.1.2
[INFO] removed 0 missing tests
[INFO] finished tweaking crates.io crate benchit 0.1.2
[INFO] tweaked toml for crates.io crate benchit 0.1.2 written to /workspace/builds/worker-0-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate benchit 0.1.2 on toolchain 1.99.0-beta.8
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.99.0-beta.8" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate benchit 0.1.2 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" "+1.99.0-beta.8" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,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" "-m" "1610612736" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:77db811e55d90add9212f6832c23229e3de5f1c1f9905e8cb07319ea15df73ac" "sleep" "infinity", kill_on_drop: false }`
[INFO] [stdout] d04417452273c1cdb39a367dfc39915fc872013b714fc3316f9fa48d08f925a2
[INFO] running `Command { std: "docker" "start" "d04417452273c1cdb39a367dfc39915fc872013b714fc3316f9fa48d08f925a2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "d04417452273c1cdb39a367dfc39915fc872013b714fc3316f9fa48d08f925a2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-w" "/opt/rustwide/workdir" "--user" "0:0" "d04417452273c1cdb39a367dfc39915fc872013b714fc3316f9fa48d08f925a2" "/opt/rustwide/cargo-home/bin/cargo" "+1.99.0-beta.8" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "d04417452273c1cdb39a367dfc39915fc872013b714fc3316f9fa48d08f925a2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-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" "-w" "/opt/rustwide/workdir" "--user" "0:0" "d04417452273c1cdb39a367dfc39915fc872013b714fc3316f9fa48d08f925a2" "/opt/rustwide/cargo-home/bin/cargo" "+1.99.0-beta.8" "build" "--frozen" "--message-format=json" "--release", kill_on_drop: false }`
[INFO] [stderr]    Compiling benchit v0.1.2 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `release` profile [optimized] target(s) in 1.79s
[INFO] running `Command { std: "docker" "inspect" "d04417452273c1cdb39a367dfc39915fc872013b714fc3316f9fa48d08f925a2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-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" "-w" "/opt/rustwide/workdir" "--user" "0:0" "d04417452273c1cdb39a367dfc39915fc872013b714fc3316f9fa48d08f925a2" "/opt/rustwide/cargo-home/bin/cargo" "+1.99.0-beta.8" "test" "--frozen" "--no-run" "--message-format=json" "--release", kill_on_drop: false }`
[INFO] [stderr]    Compiling benchit v0.1.2 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `release` profile [optimized] target(s) in 2.75s
[INFO] running `Command { std: "docker" "inspect" "d04417452273c1cdb39a367dfc39915fc872013b714fc3316f9fa48d08f925a2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-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" "-w" "/opt/rustwide/workdir" "--user" "0:0" "d04417452273c1cdb39a367dfc39915fc872013b714fc3316f9fa48d08f925a2" "/opt/rustwide/cargo-home/bin/cargo" "+1.99.0-beta.8" "test" "--frozen" "--release", kill_on_drop: false }`
[INFO] [stderr]     Finished `release` profile [optimized] target(s) in 0.02s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/release/deps/benchit-54579b710b2c6119)
[INFO] [stdout] 
[INFO] [stdout] running 34 tests
[INFO] [stdout] test cli::tests::flags_take_values_either_way ... ok
[INFO] [stdout] test cli::tests::no_args_is_the_default ... ok
[INFO] [stdout] test cli::tests::positional_argument_is_the_filter ... ok
[INFO] [stdout] test cli::tests::cargo_bench_passes_bench_through ... ok
[INFO] [stdout] test cli::tests::defaults_are_the_documented_ones ... ok
[INFO] [stdout] test baseline::tests::this_test_binary_resolves_to_the_directory_cargo_built_it_into ... ok
[INFO] [stdout] test cli::tests::a_value_on_a_valueless_flag_is_rejected ... ok
[INFO] [stdout] test cli::tests::a_forgotten_value_is_not_swallowed_from_the_next_flag ... ok
[INFO] [stdout] test baseline::tests::baseline_names_stay_inside_the_target_directory ... ok
[INFO] [stdout] test baseline::tests::the_build_directory_is_the_nearest_one_holding_deps ... ok
[INFO] [stdout] test cli::tests::filter_is_a_substring_of_group_slash_case ... ok
[INFO] [stdout] test baseline::tests::a_corrupt_row_is_an_error_not_a_silent_skip ... ok
[INFO] [stdout] test report::tests::ratios_stay_readable_across_magnitudes ... ok
[INFO] [stdout] test baseline::tests::round_trips_through_a_file ... ok
[INFO] [stdout] test runner::tests::an_explicit_sample_cap_below_the_floor_is_honoured ... ok
[INFO] [stdout] test report::tests::rounding_that_carries_does_not_widen_the_column ... ok
[INFO] [stdout] test baseline::tests::a_name_that_would_corrupt_the_file_is_refused ... ok
[INFO] [stdout] test report::tests::significant_figures ... ok
[INFO] [stdout] test baseline::tests::a_filtered_run_keeps_the_cases_it_did_not_measure ... ok
[INFO] [stdout] test stats::tests::paired_ratios_cancel_a_drifting_machine ... ok
[INFO] [stdout] test stats::tests::quantile_endpoints_and_interpolation ... ok
[INFO] [stdout] test stats::tests::the_point_always_sits_inside_its_own_band ... ok
[INFO] [stdout] test stats::tests::stats_read_off_a_sorted_slice ... ok
[INFO] [stdout] test report::tests::durations_scale_per_value ... ok
[INFO] [stdout] test cli::tests::bad_input_is_rejected ... ok
[INFO] [stdout] test stats::tests::quantile_of_single_sample ... ok
[INFO] [stdout] test runner::tests::samples_fill_the_budget_but_respect_the_floor_and_cap ... ok
[INFO] [stdout] test report::tests::rates_use_binary_bytes_and_si_elements ... ok
[INFO] [stdout] test report::tests::declared_amounts_are_exact_counts ... ok
[INFO] [stdout] test stats::tests::sorting_does_not_disturb_round_order ... ok
[INFO] [stdout] test stats::tests::a_short_run_gets_a_median_but_no_band ... ok
[INFO] [stdout] test report::tests::values_below_one_keep_their_significant_digits ... ok
[INFO] [stdout] test stats::tests::no_usable_pairs_means_no_ratio ... ok
[INFO] [stdout] test cli::tests::quick_shortens_the_budget ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 34 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.01s
[INFO] [stdout] 
[INFO] [stderr]      Running tests/harness.rs (/opt/rustwide/target/release/deps/harness-dd379d68d2908411)
[INFO] [stdout] 
[INFO] [stdout] running 21 tests
[INFO] [stdout] g/a
[INFO] [stdout] test a_group_that_measures_nothing_still_hands_back_a_result ... ok
[INFO] [stdout] test a_panicking_body_does_not_drag_the_whole_schedule_through_the_unwind ... ok
[INFO] [stdout] g/a
[INFO] [stdout] g/b
[INFO] [stdout] test list_mode_measures_nothing ... ok
[INFO] [stdout] test a_hand_built_config_with_zero_counts_does_not_panic ... ok
[INFO] [stdout] test the_filter_is_a_substring_of_group_slash_case ... ok
[INFO] [stdout] test iter_with_subtracts_its_own_clock_overhead ... ok
[INFO] [stdout] test throughput_is_reported_as_a_rate ... ok
[INFO] [stdout] test tsv_is_one_row_per_case ... ok
[INFO] [stdout] test finish_does_not_run_the_schedule_twice ... ok
[INFO] [stdout] test a_lone_case_gets_no_ratio_column ... ok
[INFO] [stdout] test a_block_size_trades_pairing_for_warmer_caches ... ok
[INFO] [stdout] test interleaving_alternates_between_cases ... ok
[INFO] [stdout] test iter_with_excludes_setup_from_the_timed_span ... ok
[INFO] [stdout] test a_case_that_beats_the_reference_keeps_its_digits ... ok
[INFO] [stdout] test a_group_without_a_reference_leaves_the_tsv_ratio_columns_empty ... ok
[INFO] [stdout] test finish_hands_back_the_numbers_it_printed ... ok
[INFO] [stdout] test a_group_without_a_reference_prints_no_ratio_column ... ok
[INFO] [stdout] test the_report_carries_a_ratio_and_a_measured_band ... ok
[INFO] [stdout] test the_ratio_sits_inside_its_own_band ... ok
[INFO] [stdout] test throughput_applies_to_the_cases_registered_after_it ... ok
[INFO] [stderr]    Doc-tests benchit
[INFO] [stdout] test no_interleave_runs_each_case_to_completion ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 21 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.25s
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 7 tests
[INFO] [stdout] test src/lib.rs - Group<'b>::throughput (line 322) - compile ... ok
[INFO] [stdout] test src/lib.rs - (line 39) - compile ... ok
[INFO] [stdout] test src/lib.rs - Group<'b>::bench (line 393) - compile ... ok
[INFO] [stdout] test src/lib.rs - Group<'b>::no_reference (line 351) - compile ... ok
[INFO] [stdout] test src/lib.rs - Group<'b>::finish (line 422) - compile ... ok
[INFO] [stdout] test src/bencher.rs - bencher::Bencher (line 21) ... ok
[INFO] [stdout] test src/bencher.rs - bencher::Bencher::iter_with (line 67) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 7 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.02s
[INFO] [stdout] 
[INFO] [stdout] all doctests ran in 0.52s; merged doctests compilation took 0.49s
[INFO] running `Command { std: "docker" "inspect" "d04417452273c1cdb39a367dfc39915fc872013b714fc3316f9fa48d08f925a2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d04417452273c1cdb39a367dfc39915fc872013b714fc3316f9fa48d08f925a2", kill_on_drop: false }`
[INFO] [stdout] d04417452273c1cdb39a367dfc39915fc872013b714fc3316f9fa48d08f925a2
