[INFO] fetching crate corescout-experiment 1.2.0...
[INFO] testing corescout-experiment-1.2.0 against 1.99.0-beta.8+cargoflags=--release for beta-release-1.100-2
[INFO] extracting crate corescout-experiment 1.2.0 into /workspace/builds/worker-5-tc1/source
[INFO] started tweaking crates.io crate corescout-experiment 1.2.0
[INFO] finished tweaking crates.io crate corescout-experiment 1.2.0
[INFO] tweaked toml for crates.io crate corescout-experiment 1.2.0 written to /workspace/builds/worker-5-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate corescout-experiment 1.2.0 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 corescout-experiment 1.2.0 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] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded corescout-substrate v1.2.0
[INFO] [stderr]   Downloaded corescout-agency v1.2.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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] cc0180c2314ff5c95cdf11ad63536bf9dfd06a6feeb1d039d9d437227fcb5985
[INFO] running `Command { std: "docker" "start" "cc0180c2314ff5c95cdf11ad63536bf9dfd06a6feeb1d039d9d437227fcb5985", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "cc0180c2314ff5c95cdf11ad63536bf9dfd06a6feeb1d039d9d437227fcb5985", 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" "cc0180c2314ff5c95cdf11ad63536bf9dfd06a6feeb1d039d9d437227fcb5985" "/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" "cc0180c2314ff5c95cdf11ad63536bf9dfd06a6feeb1d039d9d437227fcb5985", 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" "cc0180c2314ff5c95cdf11ad63536bf9dfd06a6feeb1d039d9d437227fcb5985" "/opt/rustwide/cargo-home/bin/cargo" "+1.99.0-beta.8" "build" "--frozen" "--message-format=json" "--release", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.107
[INFO] [stderr]    Compiling unicode-ident v1.0.24
[INFO] [stderr]    Compiling quote v1.0.47
[INFO] [stderr]    Compiling serde_core v1.0.229
[INFO] [stderr]    Compiling zmij v1.0.23
[INFO] [stderr]    Compiling libc v0.2.189
[INFO] [stderr]    Compiling serde v1.0.229
[INFO] [stderr]    Compiling serde_json v1.0.151
[INFO] [stderr]    Compiling itoa v1.0.18
[INFO] [stderr]    Compiling memchr v2.8.3
[INFO] [stderr]    Compiling syn v3.0.5
[INFO] [stderr]    Compiling serde_derive v1.0.229
[INFO] [stderr]    Compiling corescout-core v1.2.0
[INFO] [stderr]    Compiling corescout-mirror v1.2.0
[INFO] [stderr]    Compiling corescout-intent v1.2.0
[INFO] [stderr]    Compiling corescout-agency v1.2.0
[INFO] [stderr]    Compiling corescout-substrate v1.2.0
[INFO] [stderr]    Compiling corescout-experiment v1.2.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `release` profile [optimized] target(s) in 17.42s
[INFO] running `Command { std: "docker" "inspect" "cc0180c2314ff5c95cdf11ad63536bf9dfd06a6feeb1d039d9d437227fcb5985", 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" "cc0180c2314ff5c95cdf11ad63536bf9dfd06a6feeb1d039d9d437227fcb5985" "/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 corescout-experiment v1.2.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `release` profile [optimized] target(s) in 5.90s
[INFO] running `Command { std: "docker" "inspect" "cc0180c2314ff5c95cdf11ad63536bf9dfd06a6feeb1d039d9d437227fcb5985", 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" "cc0180c2314ff5c95cdf11ad63536bf9dfd06a6feeb1d039d9d437227fcb5985" "/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 0.03s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/release/deps/corescout_experiment-2c7940ac54bcaebe)
[INFO] [stdout] 
[INFO] [stdout] running 76 tests
[INFO] [stdout] test baselines::tests::every_baseline_describes_itself ... ok
[INFO] [stdout] test baselines::tests::the_random_baseline_is_reproducible_and_stays_in_bounds ... ok
[INFO] [stdout] test baselines::tests::an_empty_permitted_set_yields_no_placement ... ok
[INFO] [stdout] test baselines::tests::a_ranking_outside_the_permitted_set_is_declined_rather_than_forced ... ok
[INFO] [stdout] test baselines::tests::the_scheduler_baseline_sets_no_affinity_at_all ... ok
[INFO] [stdout] test baselines::tests::no_baseline_escapes_the_permitted_set ... ok
[INFO] [stdout] test baselines::tests::utilisation_picks_the_most_idle_cpu_from_the_reflection ... ok
[INFO] [stdout] test baselines::tests::a_missing_ranking_is_reported_not_faked ... ok
[INFO] [stdout] test baselines::tests::a_machine_without_the_needed_channel_declines ... ok
[INFO] [stdout] test benchmarks::stats::tests::outlier_detection_finds_the_interrupted_iteration ... ok
[INFO] [stdout] test benchmarks::stats::tests::single_sample_is_its_own_percentile ... ok
[INFO] [stdout] test benchmarks::stats::tests::median_survives_a_catastrophic_outlier ... ok
[INFO] [stdout] test benchmarks::stats::tests::percentiles_interpolate ... ok
[INFO] [stdout] test benchmarks::stats::tests::tail_excess_measures_the_gap_that_matters ... ok
[INFO] [stdout] test benchmarks::tests::different_rounds_get_different_orders ... ok
[INFO] [stdout] test benchmarks::stats::tests::zero_spread_falls_back_to_a_proportional_rule ... ok
[INFO] [stdout] test benchmarks::tests::empty_sample_set_produces_no_measurement ... ok
[INFO] [stdout] test benchmarks::tests::contamination_is_the_discarded_fraction ... ok
[INFO] [stdout] test benchmarks::tests::lower_is_better_workloads_invert_their_ranking_value ... ok
[INFO] [stdout] test benchmarks::tests::summarise_excludes_preempted_and_outlier_samples ... ok
[INFO] [stdout] test benchmarks::workloads::latency::tests::jitter_workload_asks_for_extra_samples ... ok
[INFO] [stdout] test benchmarks::tests::rates_are_derived_from_the_clean_median ... ok
[INFO] [stdout] test benchmarks::tests::results_round_trip_through_json ... ok
[INFO] [stdout] test benchmarks::workloads::latency::tests::state_feeds_forward ... ok
[INFO] [stdout] test baselines::tests::the_first_cpu_baseline_is_deterministic ... ok
[INFO] [stdout] test benchmarks::workloads::compute::tests::ops_counts_are_declared ... ok
[INFO] [stdout] test benchmarks::tests::sample_counts_account_for_the_multiplier ... ok
[INFO] [stdout] test benchmarks::stats::tests::fast_samples_are_never_outliers ... ok
[INFO] [stdout] test benchmarks::stats::tests::a_single_outlier_in_a_hundred_barely_moves_p99 ... ok
[INFO] [stdout] test benchmarks::workloads::latency::tests::iteration_is_short_but_measurable ... ok
[INFO] [stdout] test benchmarks::workloads::memory::tests::every_hop_lands_on_a_distinct_cache_line ... ok
[INFO] [stdout] test benchmarks::stats::tests::basic_statistics ... ok
[INFO] [stdout] test benchmarks::workloads::tests::each_family_is_represented ... ok
[INFO] [stdout] test benchmarks::workloads::tests::rng_zero_seed_still_works ... ok
[INFO] [stdout] test benchmarks::workloads::tests::chase_is_reproducible ... ok
[INFO] [stdout] test benchmarks::workloads::tests::every_default_workload_has_a_unique_id_and_sane_spec ... ok
[INFO] [stdout] test benchmarks::stats::tests::cleaning_removes_only_outliers ... ok
[INFO] [stdout] test benchmarks::tests::shuffle_is_deterministic_and_a_permutation ... ok
[INFO] [stdout] test benchmarks::stats::tests::empty_input_yields_no_summary ... ok
[INFO] [stdout] test benchmarks::workloads::tests::rng_is_deterministic_and_not_stuck ... ok
[INFO] [stdout] test harness::tests::a_clear_best_policy_is_named ... ok
[INFO] [stdout] test benchmarks::workloads::memory::tests::chase_iterates_and_advances_its_cursor ... ok
[INFO] [stdout] test benchmarks::workloads::compute::tests::branch_workload_is_reproducible_across_instances ... ok
[INFO] [stdout] test harness::tests::an_unmeasured_policy_is_not_a_win ... ok
[INFO] [stdout] test harness::tests::for_throughput_the_larger_number_wins ... ok
[INFO] [stdout] test harness::tests::a_clear_latency_win_is_reported_as_one ... ok
[INFO] [stdout] test harness::tests::a_comparison_round_trips_through_json ... ok
[INFO] [stdout] test benchmarks::workloads::compute::tests::float_workload_stays_in_a_sane_numeric_range ... ok
[INFO] [stdout] test harness::tests::a_difference_smaller_than_the_noise_is_inconclusive ... ok
[INFO] [stdout] test harness::tests::a_difference_too_small_to_matter_is_inconclusive_even_without_noise ... ok
[INFO] [stdout] test harness::tests::an_unmeasurable_metric_is_not_a_win ... ok
[INFO] [stdout] test harness::tests::losing_to_the_control_is_reported_as_plainly_as_winning ... ok
[INFO] [stdout] test benchmarks::workloads::memory::tests::footprint_matches_the_requested_working_set ... ok
[INFO] [stdout] test benchmarks::workloads::tests::chase_visits_every_slot_exactly_once ... ok
[INFO] [stdout] test benchmarks::workloads::compute::tests::integer_alu_state_evolves ... ok
[INFO] [stdout] test benchmarks::workloads::memory::tests::l1_and_l2_working_sets_are_the_documented_sizes ... ok
[INFO] [stdout] test harness::tests::the_report_prints_skipped_scenarios_with_their_reason ... ok
[INFO] [stdout] test harness::tests::wins_are_only_counted_against_the_named_reference ... ok
[INFO] [stdout] test harness::tests::no_best_policy_is_named_when_the_top_two_are_indistinguishable ... ok
[INFO] [stdout] test workloads::tests::every_scenario_describes_itself_and_names_a_metric ... ok
[INFO] [stdout] test trial::tests::an_empty_placement_is_refused_rather_than_ignored ... ok
[INFO] [stdout] test workloads::tests::requirements_are_stated_rather_than_assumed ... ok
[INFO] [stdout] test workloads::tests::higher_is_better_only_for_throughput ... ok
[INFO] [stdout] test workloads::tests::quick_scenarios_are_smaller_but_still_run ... ok
[INFO] [stdout] test workloads::tests::labels_are_unique ... ok
[INFO] [stdout] test workloads::tests::the_mixed_scenario_visits_all_three_shapes ... ok
[INFO] [stdout] test benchmarks::workloads::memory::tests::larger_working_sets_are_not_faster ... ok
[INFO] [stdout] test trial::tests::a_trial_restores_the_threads_affinity ... ok
[INFO] [stdout] test trial::tests::a_trial_does_real_work_and_costs_real_cycles ... ok
[INFO] [stdout] test workloads::tests::only_the_interference_scenarios_have_interference ... ok
[INFO] [stdout] test trial::warmup_tests::a_checksum_depends_on_how_much_warmup_preceded_it ... ok
[INFO] [stdout] test trial::tests::cycles_and_wall_time_both_advance_and_are_not_the_same_number ... ok
[INFO] [stdout] test benchmarks::workloads::tests::workloads_produce_checksums ... ok
[INFO] [stdout] test trial::tests::the_same_workload_produces_the_same_answer_wherever_it_runs ... ok
[INFO] [stdout] test workloads::tests::every_scenario_instantiates_and_does_real_work ... ok
[INFO] [stdout] test trial::warmup_tests::matching_warmup_and_iterations_verify_everywhere ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 76 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.41s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests corescout_experiment
[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" "cc0180c2314ff5c95cdf11ad63536bf9dfd06a6feeb1d039d9d437227fcb5985", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "cc0180c2314ff5c95cdf11ad63536bf9dfd06a6feeb1d039d9d437227fcb5985", kill_on_drop: false }`
[INFO] [stdout] cc0180c2314ff5c95cdf11ad63536bf9dfd06a6feeb1d039d9d437227fcb5985
