[INFO] fetching crate perfgate-paired 0.15.1...
[INFO] testing perfgate-paired-0.15.1 against beta-2026-04-21 for beta-1.96-2
[INFO] extracting crate perfgate-paired 0.15.1 into /workspace/builds/worker-4-tc2/source
[INFO] started tweaking crates.io crate perfgate-paired 0.15.1
[INFO] removed 0 missing examples
[INFO] finished tweaking crates.io crate perfgate-paired 0.15.1
[INFO] tweaked toml for crates.io crate perfgate-paired 0.15.1 written to /workspace/builds/worker-4-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate perfgate-paired 0.15.1 on toolchain beta-2026-04-21
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2026-04-21" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate perfgate-paired 0.15.1 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-2026-04-21" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2026-04-21" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 8d4579679f855162c3a204a43eaf64fed0e61cc67c6c1df2cb5463573c9ce8a8
[INFO] running `Command { std: "docker" "start" "-a" "8d4579679f855162c3a204a43eaf64fed0e61cc67c6c1df2cb5463573c9ce8a8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "8d4579679f855162c3a204a43eaf64fed0e61cc67c6c1df2cb5463573c9ce8a8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8d4579679f855162c3a204a43eaf64fed0e61cc67c6c1df2cb5463573c9ce8a8", kill_on_drop: false }`
[INFO] [stdout] 8d4579679f855162c3a204a43eaf64fed0e61cc67c6c1df2cb5463573c9ce8a8
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2026-04-21" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 446f26c3d28e105306f010a90c2da387bd821025f5e535d865c7f1a5be45556a
[INFO] running `Command { std: "docker" "start" "-a" "446f26c3d28e105306f010a90c2da387bd821025f5e535d865c7f1a5be45556a", kill_on_drop: false }`
[INFO] [stderr]    Compiling unicode-ident v1.0.22
[INFO] [stderr]    Compiling serde_core v1.0.228
[INFO] [stderr]    Compiling autocfg v1.5.0
[INFO] [stderr]    Compiling zmij v1.0.19
[INFO] [stderr]    Compiling serde_json v1.0.149
[INFO] [stderr]    Compiling ref-cast v1.0.25
[INFO] [stderr]    Compiling serde v1.0.228
[INFO] [stderr]    Compiling memchr v2.7.6
[INFO] [stderr]    Compiling dyn-clone v1.0.20
[INFO] [stderr]    Compiling uuid v1.21.0
[INFO] [stderr]    Compiling proc-macro2 v1.0.106
[INFO] [stderr]    Compiling num-traits v0.2.19
[INFO] [stderr]    Compiling quote v1.0.44
[INFO] [stderr]    Compiling chrono v0.4.43
[INFO] [stderr]    Compiling syn v2.0.114
[INFO] [stderr]    Compiling serde_derive_internals v0.29.1
[INFO] [stderr]    Compiling thiserror-impl v2.0.18
[INFO] [stderr]    Compiling serde_derive v1.0.228
[INFO] [stderr]    Compiling ref-cast-impl v1.0.25
[INFO] [stderr]    Compiling schemars_derive v1.2.1
[INFO] [stderr]    Compiling thiserror v2.0.18
[INFO] [stderr]    Compiling perfgate-error v0.15.1
[INFO] [stderr]    Compiling perfgate-validation v0.15.1
[INFO] [stderr]    Compiling schemars v1.2.1
[INFO] [stderr]    Compiling perfgate-types v0.15.1
[INFO] [stderr]    Compiling perfgate-stats v0.15.1
[INFO] [stderr]    Compiling perfgate-paired v0.15.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 19.88s
[INFO] running `Command { std: "docker" "inspect" "446f26c3d28e105306f010a90c2da387bd821025f5e535d865c7f1a5be45556a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "446f26c3d28e105306f010a90c2da387bd821025f5e535d865c7f1a5be45556a", kill_on_drop: false }`
[INFO] [stdout] 446f26c3d28e105306f010a90c2da387bd821025f5e535d865c7f1a5be45556a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2026-04-21" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] da3d6f07e2362dd95aec7c253c772f38a3c51bfd75c034f258f88068990738e0
[INFO] running `Command { std: "docker" "start" "-a" "da3d6f07e2362dd95aec7c253c772f38a3c51bfd75c034f258f88068990738e0", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.182
[INFO] [stderr]    Compiling getrandom v0.3.4
[INFO] [stderr]    Compiling getrandom v0.4.1
[INFO] [stderr]    Compiling rustix v1.1.4
[INFO] [stderr]    Compiling num-traits v0.2.19
[INFO] [stderr]    Compiling zerocopy v0.8.39
[INFO] [stderr]    Compiling linux-raw-sys v0.12.1
[INFO] [stderr]    Compiling bitflags v2.10.0
[INFO] [stderr]    Compiling fastrand v2.3.0
[INFO] [stderr]    Compiling once_cell v1.21.3
[INFO] [stderr]    Compiling quick-error v1.2.3
[INFO] [stderr]    Compiling bit-vec v0.8.0
[INFO] [stderr]    Compiling regex-syntax v0.8.9
[INFO] [stderr]    Compiling unarray v0.1.4
[INFO] [stderr]    Compiling bit-set v0.8.0
[INFO] [stderr]    Compiling chrono v0.4.43
[INFO] [stderr]    Compiling approx v0.5.1
[INFO] [stderr]    Compiling wait-timeout v0.2.1
[INFO] [stderr]    Compiling rand_core v0.9.5
[INFO] [stderr]    Compiling schemars v1.2.1
[INFO] [stderr]    Compiling rand_xorshift v0.4.0
[INFO] [stderr]    Compiling rand v0.9.2
[INFO] [stderr]    Compiling tempfile v3.26.0
[INFO] [stderr]    Compiling rusty-fork v0.3.1
[INFO] [stderr]    Compiling perfgate-types v0.15.1
[INFO] [stderr]    Compiling ppv-lite86 v0.2.21
[INFO] [stderr]    Compiling rand_chacha v0.9.0
[INFO] [stderr]    Compiling proptest v1.10.0
[INFO] [stderr]    Compiling perfgate-stats v0.15.1
[INFO] [stderr]    Compiling perfgate-paired v0.15.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 22.33s
[INFO] running `Command { std: "docker" "inspect" "da3d6f07e2362dd95aec7c253c772f38a3c51bfd75c034f258f88068990738e0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "da3d6f07e2362dd95aec7c253c772f38a3c51bfd75c034f258f88068990738e0", kill_on_drop: false }`
[INFO] [stdout] da3d6f07e2362dd95aec7c253c772f38a3c51bfd75c034f258f88068990738e0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2026-04-21" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 9da69d9c36fdc48e32eaa6fb419ff637098419b25fc7c765aa28cc13f9fe1f07
[INFO] running `Command { std: "docker" "start" "-a" "9da69d9c36fdc48e32eaa6fb419ff637098419b25fc7c765aa28cc13f9fe1f07", 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/perfgate_paired-0bf871ea9aa5082b)
[INFO] [stdout] 
[INFO] [stdout] running 47 tests
[INFO] [stdout] test property_tests::prop_ci_width_decreases_with_sample_size ... ok
[INFO] [stdout] test property_tests::prop_ci_contains_mean ... ok
[INFO] [stdout] test property_tests::prop_zero_variance_zero_std_error ... ok
[INFO] [stdout] test tests::edge_cases::test_large_positive_diff ... ok
[INFO] [stdout] test tests::test_compare_paired_stats_basic ... ok
[INFO] [stdout] test tests::test_compare_paired_stats_ci_calculation ... ok
[INFO] [stdout] test tests::test_compare_paired_stats_large_sample_t_value ... ok
[INFO] [stdout] test tests::test_compare_paired_stats_negative_improvement ... ok
[INFO] [stdout] test tests::edge_cases::test_ci_bounds_with_zero_std_dev ... ok
[INFO] [stdout] test tests::edge_cases::test_very_small_diffs ... ok
[INFO] [stdout] test tests::test_compare_paired_stats_not_significant ... ok
[INFO] [stdout] test tests::test_compare_paired_stats_single_sample ... ok
[INFO] [stdout] test tests::test_compute_paired_cv_high_noise ... ok
[INFO] [stdout] test tests::test_compare_paired_stats_zero_baseline ... ok
[INFO] [stdout] test property_tests::prop_significance_deterministic ... ok
[INFO] [stdout] test tests::test_compute_paired_cv_with_variance ... ok
[INFO] [stdout] test tests::test_compute_paired_cv_zero_mean ... ok
[INFO] [stdout] test tests::test_compute_paired_stats_basic ... ok
[INFO] [stdout] test tests::test_compute_paired_stats_empty_after_warmup_filter ... ok
[INFO] [stdout] test tests::test_compute_paired_stats_empty_samples ... ok
[INFO] [stdout] test tests::test_compute_paired_stats_even_count_median ... ok
[INFO] [stdout] test tests::test_compute_paired_stats_filters_warmup ... ok
[INFO] [stdout] test tests::test_compute_paired_stats_negative_diffs ... ok
[INFO] [stdout] test tests::test_compute_paired_stats_no_throughput_without_work_units ... ok
[INFO] [stdout] test tests::test_compute_paired_stats_single_sample ... ok
[INFO] [stdout] test tests::test_compute_paired_stats_with_rss ... ok
[INFO] [stdout] test tests::test_compute_paired_stats_with_variance ... ok
[INFO] [stdout] test tests::test_compute_paired_stats_with_work_units ... ok
[INFO] [stdout] test tests::test_summarize_paired_diffs_empty ... ok
[INFO] [stdout] test tests::test_summarize_paired_diffs_large_sample ... ok
[INFO] [stdout] test tests::test_summarize_paired_diffs_single ... ok
[INFO] [stdout] test tests::test_summarize_paired_diffs_zero_variance ... ok
[INFO] [stdout] test tests::test_compute_paired_cv_empty_samples ... ok
[INFO] [stdout] test tests::test_compute_paired_cv_no_variance ... ok
[INFO] [stdout] test tests::test_compute_paired_cv_skips_warmup ... ok
[INFO] [stdout] test property_tests::prop_paired_stats_deterministic ... ok
[INFO] [stdout] test property_tests::prop_ci_contains_mean_diff_from_samples ... ok
[INFO] [stdout] test property_tests::prop_summarize_paired_diffs_ordering ... ok
[INFO] [stdout] test property_tests::prop_sample_count_preserved ... ok
[INFO] [stdout] test property_tests::prop_mean_bounded_by_min_max ... ok
[INFO] [stdout] test property_tests::prop_reversing_negates_mean_diff ... ok
[INFO] [stdout] test property_tests::prop_full_pipeline_determinism ... ok
[INFO] [stdout] test property_tests::prop_diff_symmetry_direction_flips ... ok
[INFO] [stdout] test property_tests::prop_summarize_paired_diffs_count_matches ... ok
[INFO] [stdout] test property_tests::prop_summarize_paired_diffs_mean_correct ... ok
[INFO] [stdout] test property_tests::prop_std_dev_non_negative ... ok
[INFO] [stdout] test property_tests::prop_summarize_paired_diffs_min_max_bounds ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 47 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.46s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests perfgate_paired
[INFO] [stdout] 
[INFO] [stdout] running 3 tests
[INFO] [stdout] test src/lib.rs - PairedComparison (line 265) ... ok
[INFO] [stdout] test src/lib.rs - compare_paired_stats (line 307) ... ok
[INFO] [stdout] test src/lib.rs - (line 37) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 3 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.01s
[INFO] [stdout] 
[INFO] [stdout] all doctests ran in 0.81s; merged doctests compilation took 0.78s
[INFO] running `Command { std: "docker" "inspect" "9da69d9c36fdc48e32eaa6fb419ff637098419b25fc7c765aa28cc13f9fe1f07", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9da69d9c36fdc48e32eaa6fb419ff637098419b25fc7c765aa28cc13f9fe1f07", kill_on_drop: false }`
[INFO] [stdout] 9da69d9c36fdc48e32eaa6fb419ff637098419b25fc7c765aa28cc13f9fe1f07
