[INFO] fetching crate primordial-opt 0.1.4...
[INFO] testing primordial-opt-0.1.4 against beta-2026-04-21 for beta-1.96-2
[INFO] extracting crate primordial-opt 0.1.4 into /workspace/builds/worker-2-tc2/source
[INFO] started tweaking crates.io crate primordial-opt 0.1.4
[INFO] removed 0 missing examples
[INFO] finished tweaking crates.io crate primordial-opt 0.1.4
[INFO] tweaked toml for crates.io crate primordial-opt 0.1.4 written to /workspace/builds/worker-2-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate primordial-opt 0.1.4 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 primordial-opt 0.1.4 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-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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] 6cec122c6154eb4426ec7e55fcd2ddfb40712c95009244ec4bbd1042058707c8
[INFO] running `Command { std: "docker" "start" "-a" "6cec122c6154eb4426ec7e55fcd2ddfb40712c95009244ec4bbd1042058707c8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "6cec122c6154eb4426ec7e55fcd2ddfb40712c95009244ec4bbd1042058707c8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6cec122c6154eb4426ec7e55fcd2ddfb40712c95009244ec4bbd1042058707c8", kill_on_drop: false }`
[INFO] [stdout] 6cec122c6154eb4426ec7e55fcd2ddfb40712c95009244ec4bbd1042058707c8
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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] 0e750bb010e902201f287df7f47304574291f7e1ee110917534ff5447a2b559e
[INFO] running `Command { std: "docker" "start" "-a" "0e750bb010e902201f287df7f47304574291f7e1ee110917534ff5447a2b559e", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.103
[INFO] [stderr]    Compiling quote v1.0.42
[INFO] [stderr]    Compiling unicode-ident v1.0.22
[INFO] [stderr]    Compiling libc v0.2.178
[INFO] [stderr]    Compiling getrandom v0.3.4
[INFO] [stderr]    Compiling zerocopy v0.8.31
[INFO] [stderr]    Compiling cfg-if v1.0.4
[INFO] [stderr]    Compiling simdutf8 v0.1.5
[INFO] [stderr]    Compiling pin-project-lite v0.2.16
[INFO] [stderr]    Compiling once_cell v1.21.3
[INFO] [stderr]    Compiling bytes v1.11.0
[INFO] [stderr]    Compiling hashbrown v0.15.5
[INFO] [stderr]    Compiling tracing-core v0.1.35
[INFO] [stderr]    Compiling syn v2.0.111
[INFO] [stderr]    Compiling rand_core v0.9.3
[INFO] [stderr]    Compiling ppv-lite86 v0.2.21
[INFO] [stderr]    Compiling rand_chacha v0.9.0
[INFO] [stderr]    Compiling rand v0.9.2
[INFO] [stderr]    Compiling ptr_meta_derive v0.3.1
[INFO] [stderr]    Compiling bytecheck_derive v0.8.2
[INFO] [stderr]    Compiling munge_macro v0.4.7
[INFO] [stderr]    Compiling tokio-macros v2.6.0
[INFO] [stderr]    Compiling tracing-attributes v0.1.31
[INFO] [stderr]    Compiling rkyv_derive v0.8.12
[INFO] [stderr]    Compiling munge v0.4.7
[INFO] [stderr]    Compiling ptr_meta v0.3.1
[INFO] [stderr]    Compiling tokio v1.48.0
[INFO] [stderr]    Compiling rancor v0.1.1
[INFO] [stderr]    Compiling bytecheck v0.8.2
[INFO] [stderr]    Compiling rend v0.5.3
[INFO] [stderr]    Compiling tracing v0.1.43
[INFO] [stderr]    Compiling rkyv v0.8.12
[INFO] [stderr]    Compiling primordial-opt v0.1.4 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 20.17s
[INFO] running `Command { std: "docker" "inspect" "0e750bb010e902201f287df7f47304574291f7e1ee110917534ff5447a2b559e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0e750bb010e902201f287df7f47304574291f7e1ee110917534ff5447a2b559e", kill_on_drop: false }`
[INFO] [stdout] 0e750bb010e902201f287df7f47304574291f7e1ee110917534ff5447a2b559e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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] f6fc9606389047ea063f546f5bfceb0cb540b1040d414119616d8bd2c839b1ab
[INFO] running `Command { std: "docker" "start" "-a" "f6fc9606389047ea063f546f5bfceb0cb540b1040d414119616d8bd2c839b1ab", kill_on_drop: false }`
[INFO] [stderr]    Compiling zerocopy v0.8.31
[INFO] [stderr]    Compiling libc v0.2.178
[INFO] [stderr]    Compiling crossbeam-utils v0.8.21
[INFO] [stderr]    Compiling serde_core v1.0.228
[INFO] [stderr]    Compiling serde v1.0.228
[INFO] [stderr]    Compiling find-msvc-tools v0.1.5
[INFO] [stderr]    Compiling autocfg v1.5.0
[INFO] [stderr]    Compiling shlex v1.3.0
[INFO] [stderr]    Compiling serde_json v1.0.145
[INFO] [stderr]    Compiling either v1.15.0
[INFO] [stderr]    Compiling rayon-core v1.13.0
[INFO] [stderr]    Compiling regex-syntax v0.8.8
[INFO] [stderr]    Compiling plotters-backend v0.3.7
[INFO] [stderr]    Compiling itoa v1.0.15
[INFO] [stderr]    Compiling anstyle v1.0.13
[INFO] [stderr]    Compiling zerocopy-derive v0.8.31
[INFO] [stderr]    Compiling serde_derive v1.0.228
[INFO] [stderr]    Compiling memchr v2.7.6
[INFO] [stderr]    Compiling clap_lex v0.7.6
[INFO] [stderr]    Compiling cc v1.2.49
[INFO] [stderr]    Compiling ryu v1.0.20
[INFO] [stderr]    Compiling ciborium-io v0.2.2
[INFO] [stderr]    Compiling clap_builder v4.5.53
[INFO] [stderr]    Compiling plotters-svg v0.3.7
[INFO] [stderr]    Compiling itertools v0.13.0
[INFO] [stderr]    Compiling cast v0.3.0
[INFO] [stderr]    Compiling same-file v1.0.6
[INFO] [stderr]    Compiling walkdir v2.5.0
[INFO] [stderr]    Compiling anes v0.1.6
[INFO] [stderr]    Compiling oorandom v11.1.5
[INFO] [stderr]    Compiling num-traits v0.2.19
[INFO] [stderr]    Compiling crossbeam-epoch v0.9.18
[INFO] [stderr]    Compiling crossbeam-deque v0.8.6
[INFO] [stderr]    Compiling rayon v1.11.0
[INFO] [stderr]    Compiling plotters v0.3.7
[INFO] [stderr]    Compiling regex-automata v0.4.13
[INFO] [stderr]    Compiling alloca v0.4.0
[INFO] [stderr]    Compiling getrandom v0.3.4
[INFO] [stderr]    Compiling page_size v0.6.0
[INFO] [stderr]    Compiling rand_core v0.9.3
[INFO] [stderr]    Compiling criterion-plot v0.8.1
[INFO] [stderr]    Compiling clap v4.5.53
[INFO] [stderr]    Compiling half v2.7.1
[INFO] [stderr]    Compiling ppv-lite86 v0.2.21
[INFO] [stderr]    Compiling ciborium-ll v0.2.2
[INFO] [stderr]    Compiling rand_chacha v0.9.0
[INFO] [stderr]    Compiling rand v0.9.2
[INFO] [stderr]    Compiling ciborium v0.2.2
[INFO] [stderr]    Compiling tinytemplate v1.2.1
[INFO] [stderr]    Compiling regex v1.12.2
[INFO] [stderr]    Compiling criterion v0.8.1
[INFO] [stderr]    Compiling primordial-opt v0.1.4 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 17.53s
[INFO] running `Command { std: "docker" "inspect" "f6fc9606389047ea063f546f5bfceb0cb540b1040d414119616d8bd2c839b1ab", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f6fc9606389047ea063f546f5bfceb0cb540b1040d414119616d8bd2c839b1ab", kill_on_drop: false }`
[INFO] [stdout] f6fc9606389047ea063f546f5bfceb0cb540b1040d414119616d8bd2c839b1ab
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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] 8463d3e87780cd1191b2583a4fd82a2cb72583418322a3d45c9674f80314fb01
[INFO] running `Command { std: "docker" "start" "-a" "8463d3e87780cd1191b2583a4fd82a2cb72583418322a3d45c9674f80314fb01", kill_on_drop: false }`
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.13s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/primordial_opt-f9c6f78639f4ef71)
[INFO] [stdout] 
[INFO] [stdout] running 74 tests
[INFO] [stdout] test chromosome::tests::data_returns_slice ... ok
[INFO] [stdout] test chromosome::tests::equality_ignores_fitness ... ok
[INFO] [stdout] test chromosome::tests::from_bytes_creates_chromosome ... ok
[INFO] [stdout] test chromosome::tests::fitness_returns_none_initially ... ok
[INFO] [stdout] test chromosome::tests::from_vec_creates_chromosome ... ok
[INFO] [stdout] test chromosome::tests::invalidate_fitness_clears_cache ... ok
[INFO] [stdout] test chromosome::tests::from_slice_creates_chromosome ... ok
[INFO] [stdout] test chromosome::tests::new_creates_chromosome_with_correct_size ... ok
[INFO] [stdout] test chromosome::tests::new_fills_with_random_data ... ok
[INFO] [stdout] test chromosome::tests::new_zero_size_creates_empty ... ok
[INFO] [stdout] test chromosome::tests::rkyv_roundtrip_with_fitness ... ok
[INFO] [stdout] test chromosome::tests::rkyv_roundtrip_without_fitness ... ok
[INFO] [stdout] test chromosome::tests::set_fitness_caches_value ... ok
[INFO] [stdout] test chromosome::tests::set_fitness_multi_objective ... ok
[INFO] [stdout] test chromosome::tests::rkyv_roundtrip_empty_chromosome ... ok
[INFO] [stdout] test chromosome::tests::wire_format_empty_serialize ... ok
[INFO] [stdout] test chromosome::tests::wire_format_empty_deserialize ... ok
[INFO] [stdout] test chromosome::tests::wire_format_multi_fitness_serialize ... ok
[INFO] [stdout] test chromosome::tests::wire_format_no_fitness_deserialize ... ok
[INFO] [stdout] test chromosome::tests::wire_format_single_fitness_deserialize ... ok
[INFO] [stdout] test chromosome::tests::wire_format_no_fitness_serialize ... ok
[INFO] [stdout] test chromosome::tests::wire_format_single_fitness_serialize ... ok
[INFO] [stdout] test crossover::tests::single_point_empty_returns_clones ... ok
[INFO] [stdout] test crossover::tests::single_point_different_lengths ... ok
[INFO] [stdout] test mutation::tests::bit_flip_empty_is_noop ... ok
[INFO] [stdout] test mutation::tests::bit_flip_invalidates_fitness ... ok
[INFO] [stdout] test mutation::tests::bit_flip_p1_flips_all_bits ... ok
[INFO] [stdout] test crossover::tests::single_point_swaps_at_middle ... ok
[INFO] [stdout] test mutation::tests::bit_flip_p0_changes_nothing ... ok
[INFO] [stdout] test mutation::tests::fill_random_empty_is_noop ... ok
[INFO] [stdout] test mutation::tests::bit_flip_partial ... ok
[INFO] [stdout] test mutation::tests::fill_random_replaces_all_bytes ... ok
[INFO] [stdout] test runner::tests::config_builder ... ok
[INFO] [stdout] test chromosome::tests::wire_format_multi_fitness_deserialize ... ok
[INFO] [stdout] test runner::tests::run_ga_multi_objective ... ok
[INFO] [stdout] test mutation::tests::fill_random_preserves_length ... ok
[INFO] [stdout] test runner::tests::run_ga_single_objective ... ok
[INFO] [stdout] test selection::nsga2::tests::nsga2_crowding_distance_prefers_boundary ... ok
[INFO] [stdout] test mutation::tests::fill_random_invalidates_fitness ... ok
[INFO] [stdout] test selection::nsga2::tests::nsga2_dominates_helper ... ok
[INFO] [stdout] test selection::nsga2::tests::nsga2_handles_identical_fitness ... ok
[INFO] [stdout] test selection::nsga2::tests::nsga2_handles_single_chromosome ... ok
[INFO] [stdout] test selection::nsga2::tests::nsga2_single_front_all_non_dominated ... ok
[INFO] [stdout] test selection::nsga2::tests::nsga2_single_objective_same_as_rank ... ok
[INFO] [stdout] test selection::nsga2::tests::nsga2_take_returns_top_n ... ok
[INFO] [stdout] test selection::nsga2::tests::nsga2_three_objectives ... ok
[INFO] [stdout] test selection::nsga2::tests::nsga2_two_fronts ... ok
[INFO] [stdout] test selection::rank::tests::rank_handles_empty_population ... ok
[INFO] [stdout] test selection::rank::tests::rank_handles_equal_fitness ... ok
[INFO] [stdout] test selection::rank::tests::rank_handles_single_chromosome ... ok
[INFO] [stdout] test selection::rank::tests::rank_does_not_modify_original ... ok
[INFO] [stdout] test selection::rank::tests::rank_returns_sorted_by_fitness_ascending ... ok
[INFO] [stdout] test selection::rank::tests::rank_take_returns_top_n ... ok
[INFO] [stdout] test selection::roulette::tests::roulette_handles_equal_fitness ... ok
[INFO] [stdout] test crossover::tests::single_point_children_have_no_fitness ... ok
[INFO] [stdout] test selection::roulette::tests::roulette_prefers_better_fitness ... ok
[INFO] [stdout] test selection::roulette::tests::roulette_selects_from_population ... ok
[INFO] [stdout] test selection::tournament::tests::tournament_larger_size_prefers_better ... ok
[INFO] [stdout] test selection::tournament::tests::tournament_selects_from_population ... ok
[INFO] [stdout] test selection::tournament::tests::tournament_size_1_is_random_selection ... ok
[INFO] [stdout] test runner::tests::run_ga_panics_on_zero_generations - should panic ... ok
[INFO] [stdout] test runner::tests::run_ga_panics_on_zero_population - should panic ... ok
[INFO] [stdout] test selection::nsga2::tests::nsga2_panics_on_empty_population - should panic ... ok
[INFO] [stdout] test selection::nsga2::tests::nsga2_panics_on_inconsistent_objectives - should panic ... ok
[INFO] [stdout] test selection::nsga2::tests::nsga2_panics_on_missing_fitness - should panic ... ok
[INFO] [stdout] test selection::rank::tests::rank_panics_on_missing_fitness - should panic ... ok
[INFO] [stdout] test selection::rank::tests::rank_panics_on_multi_objective - should panic ... ok
[INFO] [stdout] test selection::roulette::tests::roulette_panics_on_empty_population - should panic ... ok
[INFO] [stdout] test selection::roulette::tests::roulette_panics_on_missing_fitness - should panic ... ok
[INFO] [stdout] test selection::roulette::tests::roulette_panics_on_multi_objective - should panic ... ok
[INFO] [stdout] test selection::tournament::tests::tournament_panics_on_empty_population - should panic ... ok
[INFO] [stdout] test selection::tournament::tests::tournament_panics_on_missing_fitness - should panic ... ok
[INFO] [stdout] test selection::tournament::tests::tournament_panics_on_multi_objective - should panic ... ok
[INFO] [stdout] test selection::tournament::tests::tournament_panics_on_zero_size - should panic ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 74 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.07s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests primordial_opt
[INFO] [stdout] 
[INFO] [stdout] running 9 tests
[INFO] [stdout] test src/lib.rs - (line 17) ... ignored
[INFO] [stdout] test src/lib.rs - (line 33) ... ignored
[INFO] [stdout] test src/runner.rs - runner::run_ga (line 104) ... ignored
[INFO] [stdout] test src/selection/nsga2.rs - selection::nsga2::nsga2 (line 22) ... ignored
[INFO] [stdout] test src/selection/rank.rs - selection::rank::rank (line 13) ... ignored
[INFO] [stdout] test src/selection/roulette.rs - selection::roulette::roulette (line 21) ... ignored
[INFO] [stdout] test src/selection/tournament.rs - selection::tournament::tournament (line 23) ... ignored
[INFO] [stdout] test src/chromosome.rs - chromosome::Chromosome (line 15) ... ok
[INFO] [stdout] test src/chromosome.rs - chromosome::Chromosome (line 34) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 2 passed; 0 failed; 7 ignored; 0 measured; 0 filtered out; finished in 0.03s
[INFO] [stdout] 
[INFO] [stdout] all doctests ran in 0.66s; merged doctests compilation took 0.61s
[INFO] running `Command { std: "docker" "inspect" "8463d3e87780cd1191b2583a4fd82a2cb72583418322a3d45c9674f80314fb01", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8463d3e87780cd1191b2583a4fd82a2cb72583418322a3d45c9674f80314fb01", kill_on_drop: false }`
[INFO] [stdout] 8463d3e87780cd1191b2583a4fd82a2cb72583418322a3d45c9674f80314fb01
