[INFO] fetching crate herdingcats 0.5.0... [INFO] testing herdingcats-0.5.0 against master#562dee4820c458d823175268e41601d4c060588a for pr-154210-1 [INFO] extracting crate herdingcats 0.5.0 into /workspace/builds/worker-2-tc1/source [INFO] started tweaking crates.io crate herdingcats 0.5.0 [INFO] removed 0 missing examples [INFO] finished tweaking crates.io crate herdingcats 0.5.0 [INFO] tweaked toml for crates.io crate herdingcats 0.5.0 written to /workspace/builds/worker-2-tc1/source/Cargo.toml [INFO] validating manifest of crates.io crate herdingcats 0.5.0 on toolchain 562dee4820c458d823175268e41601d4c060588a [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+562dee4820c458d823175268e41601d4c060588a" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] crate crates.io crate herdingcats 0.5.0 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" "+562dee4820c458d823175268e41601d4c060588a" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Updating crates.io index [INFO] [stderr] Downloading crates ... [INFO] [stderr] Downloaded unarray v0.1.4 [INFO] [stderr] Downloaded id-arena v2.3.0 [INFO] [stderr] Downloaded bit-set v0.8.0 [INFO] [stderr] Downloaded wit-bindgen-rust-macro v0.51.0 [INFO] [stderr] Downloaded bit-vec v0.8.0 [INFO] [stderr] Downloaded rand_chacha v0.9.0 [INFO] [stderr] Downloaded ppv-lite86 v0.2.21 [INFO] [stderr] Downloaded wit-bindgen-core v0.51.0 [INFO] [stderr] Downloaded r-efi v6.0.0 [INFO] [stderr] Downloaded zerocopy-derive v0.8.40 [INFO] [stderr] Downloaded rand v0.9.2 [INFO] [stderr] Downloaded wasip2 v1.0.2+wasi-0.2.9 [INFO] [stderr] Downloaded indexmap v2.13.0 [INFO] [stderr] Downloaded hashbrown v0.15.5 [INFO] [stderr] Downloaded wit-parser v0.244.0 [INFO] [stderr] Downloaded wasm-encoder v0.244.0 [INFO] [stderr] Downloaded proptest v1.10.0 [INFO] [stderr] Downloaded wit-bindgen v0.51.0 [INFO] [stderr] Downloaded zerocopy v0.8.40 [INFO] [stderr] Downloaded wit-component v0.244.0 [INFO] [stderr] Downloaded wasmparser v0.244.0 [INFO] [stderr] Downloaded wit-bindgen-rust v0.51.0 [INFO] [stderr] Downloaded bitflags v2.11.0 [INFO] [stderr] Downloaded regex-syntax v0.8.10 [INFO] [stderr] Downloaded wasm-metadata v0.244.0 [INFO] [stderr] Downloaded anyhow v1.0.102 [INFO] [stderr] Downloaded rustix v1.1.4 [INFO] [stderr] Downloaded semver v1.0.27 [INFO] [stderr] Downloaded tempfile v3.26.0 [INFO] [stderr] Downloaded rand_core v0.9.5 [INFO] [stderr] Downloaded wasip3 v0.4.0+wasi-0.3.0-rc-2026-01-06 [INFO] [stderr] Downloaded rusty-fork v0.3.1 [INFO] [stderr] Downloaded foldhash v0.1.5 [INFO] [stderr] Downloaded getrandom v0.4.2 [INFO] [stderr] Downloaded rand_xorshift v0.4.0 [INFO] [stderr] Downloaded quick-error v1.2.3 [INFO] [stderr] Downloaded wait-timeout v0.2.1 [INFO] [stderr] Downloaded fastrand v2.3.0 [INFO] [stderr] Downloaded leb128fmt v0.1.0 [INFO] [stderr] Downloaded unicode-xid v0.2.6 [INFO] [stderr] Downloaded libc v0.2.183 [INFO] [stderr] Downloaded linux-raw-sys v0.12.1 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/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" "+562dee4820c458d823175268e41601d4c060588a" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 21fbd03aa3a9436d2577c6b81cc43953faebf42549a0e8553d0653d845e15399 [INFO] running `Command { std: "docker" "start" "-a" "21fbd03aa3a9436d2577c6b81cc43953faebf42549a0e8553d0653d845e15399", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "21fbd03aa3a9436d2577c6b81cc43953faebf42549a0e8553d0653d845e15399", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "21fbd03aa3a9436d2577c6b81cc43953faebf42549a0e8553d0653d845e15399", kill_on_drop: false }` [INFO] [stdout] 21fbd03aa3a9436d2577c6b81cc43953faebf42549a0e8553d0653d845e15399 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/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=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-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" "+562dee4820c458d823175268e41601d4c060588a" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] b1447c39d11ac464becf10e2e34b55e94ab010e8956bb159ce06bfd3dd206f7f [INFO] running `Command { std: "docker" "start" "-a" "b1447c39d11ac464becf10e2e34b55e94ab010e8956bb159ce06bfd3dd206f7f", kill_on_drop: false }` [INFO] [stderr] Compiling herdingcats v0.5.0 (/opt/rustwide/workdir) [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.17s [INFO] running `Command { std: "docker" "inspect" "b1447c39d11ac464becf10e2e34b55e94ab010e8956bb159ce06bfd3dd206f7f", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "b1447c39d11ac464becf10e2e34b55e94ab010e8956bb159ce06bfd3dd206f7f", kill_on_drop: false }` [INFO] [stdout] b1447c39d11ac464becf10e2e34b55e94ab010e8956bb159ce06bfd3dd206f7f [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/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=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-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" "+562dee4820c458d823175268e41601d4c060588a" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 2eb950bba05682cd7e8710ddffc74b8e7066dcf6cafdfc5598371d44c90f11f5 [INFO] running `Command { std: "docker" "start" "-a" "2eb950bba05682cd7e8710ddffc74b8e7066dcf6cafdfc5598371d44c90f11f5", kill_on_drop: false }` [INFO] [stderr] Compiling libc v0.2.183 [INFO] [stderr] Compiling cfg-if v1.0.4 [INFO] [stderr] Compiling getrandom v0.3.4 [INFO] [stderr] Compiling getrandom v0.4.2 [INFO] [stderr] Compiling zerocopy v0.8.40 [INFO] [stderr] Compiling rustix v1.1.4 [INFO] [stderr] Compiling linux-raw-sys v0.12.1 [INFO] [stderr] Compiling autocfg v1.5.0 [INFO] [stderr] Compiling bitflags v2.11.0 [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 v0.8.10 [INFO] [stderr] Compiling unarray v0.1.4 [INFO] [stderr] Compiling bit-set v0.8.0 [INFO] [stderr] Compiling num-traits v0.2.19 [INFO] [stderr] Compiling wait-timeout v0.2.1 [INFO] [stderr] Compiling rand_core v0.9.5 [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 ppv-lite86 v0.2.21 [INFO] [stderr] Compiling rand_chacha v0.9.0 [INFO] [stderr] Compiling proptest v1.10.0 [INFO] [stderr] Compiling herdingcats v0.5.0 (/opt/rustwide/workdir) [INFO] [stderr] Finished `test` profile [unoptimized + debuginfo] target(s) in 17.10s [INFO] running `Command { std: "docker" "inspect" "2eb950bba05682cd7e8710ddffc74b8e7066dcf6cafdfc5598371d44c90f11f5", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "2eb950bba05682cd7e8710ddffc74b8e7066dcf6cafdfc5598371d44c90f11f5", kill_on_drop: false }` [INFO] [stdout] 2eb950bba05682cd7e8710ddffc74b8e7066dcf6cafdfc5598371d44c90f11f5 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/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=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-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" "+562dee4820c458d823175268e41601d4c060588a" "test" "--frozen", kill_on_drop: false }` [INFO] [stdout] e17813bbc1a5eb75268cc2d8b84b6629a2c0b2a9abebb5ba800a2922a2fae26f [INFO] running `Command { std: "docker" "start" "-a" "e17813bbc1a5eb75268cc2d8b84b6629a2c0b2a9abebb5ba800a2922a2fae26f", kill_on_drop: false }` [INFO] [stderr] Finished `test` profile [unoptimized + debuginfo] target(s) in 0.08s [INFO] [stderr] Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/herdingcats-5dda6ae83402a1c0) [INFO] [stdout] [INFO] [stdout] running 72 tests [INFO] [stdout] test apply::tests::trace_contract_mutating_diff_returns_at_least_one_entry ... ok [INFO] [stdout] test behavior::tests::behavior_def_debug_shows_name_and_order_key ... ok [INFO] [stdout] test behavior::tests::behavior_def_evaluate_fn_pointer_is_callable ... ok [INFO] [stdout] test behavior::tests::behavior_def_stopping_evaluate_returns_stop ... ok [INFO] [stdout] test behavior::tests::behavior_result_continue_is_constructable_and_matchable ... ok [INFO] [stdout] test behavior::tests::behavior_result_stop_is_constructable_and_matchable ... ok [INFO] [stdout] test engine::tests::dispatch_evaluates_in_deterministic_order ... ok [INFO] [stdout] test engine::tests::dispatch_requires_reversibility_param ... ok [INFO] [stdout] test engine::tests::engine_state_returns_ref_to_committed_state ... ok [INFO] [stdout] test engine::tests::engine_struct_has_placeholder_history_fields ... ok [INFO] [stdout] test apply::tests::apply_trait_compiles_and_returns_traces ... ok [INFO] [stdout] test engine::tests::frame_contains_input_diffs_trace ... ok [INFO] [stdout] test engine::tests::invariant_04_each_behavior_sees_only_current_working_state ... ok [INFO] [stdout] test engine::tests::invariant_03_behaviors_evaluated_in_deterministic_order ... ok [INFO] [stdout] test engine::tests::invariant_08_diff_that_mutates_state_appends_trace ... ok [INFO] [stdout] test engine::tests::committed_dispatch_increments_undo_depth ... ok [INFO] [stdout] test engine::tests::invariant_01_engine_never_advances_without_input ... ok [INFO] [stdout] test engine::tests::cow_clones_on_first_diff ... ok [INFO] [stdout] test engine::tests::committed_dispatch_clears_redo_stack ... ok [INFO] [stdout] test engine::tests::invariant_05_later_behaviors_see_earlier_applied_diffs ... ok [INFO] [stdout] test apply::tests::apply_returns_empty_traces_for_no_op ... ok [INFO] [stdout] test engine::tests::cow_no_clone_on_no_op_dispatch ... ok [INFO] [stdout] test engine::tests::invariant_02_dispatch_is_atomic ... ok [INFO] [stdout] test engine::tests::invariant_10_only_non_empty_transitions_produce_frames ... ok [INFO] [stdout] test engine::tests::invariant_07_engine_applies_diffs_centrally ... ok [INFO] [stdout] test engine::tests::invariant_14_irreversible_transitions_designated_by_library_user ... ok [INFO] [stdout] test engine::tests::irreversible_commit_clears_both_stacks ... ok [INFO] [stdout] test engine::tests::invariant_13_undo_redo_operate_on_canonical_stored_frames ... ok [INFO] [stdout] test engine::tests::invariant_09_trace_generated_in_execution_order ... ok [INFO] [stdout] test engine::tests::irreversible_committed_dispatch_clears_both_stacks ... ok [INFO] [stdout] test engine::tests::invariant_15_engine_errors_distinct_from_normal_outcomes ... ok [INFO] [stdout] test behavior::tests::behavior_def_fields_are_accessible ... ok [INFO] [stdout] test engine::tests::invariant_12_behavior_state_lives_in_main_state_tree ... ok [INFO] [stdout] test engine::tests::invariant_11_non_committed_outcomes_do_not_modify_committed_state ... ok [INFO] [stdout] test engine::tests::irreversible_history_tests::irreversible_history_after_irreversible_commit_redo_returns_nothing_to_redo ... ok [INFO] [stdout] test engine::tests::irreversible_history_tests::irreversible_history_after_irreversible_commit_undo_returns_nothing_to_undo ... ok [INFO] [stdout] test engine::tests::irreversible_history_tests::irreversible_history_irreversible_commit_preceded_by_undo_clears_redo_too ... ok [INFO] [stdout] test engine::tests::irreversible_history_tests::irreversible_history_irreversible_commit_clears_all_history ... ok [INFO] [stdout] test engine::tests::no_change_dispatch_does_not_clear_redo_stack ... ok [INFO] [stdout] test engine::tests::no_frame_on_no_diffs ... ok [INFO] [stdout] test engine::tests::no_change_dispatch_does_not_affect_depths ... ok [INFO] [stdout] test engine::tests::redo_on_empty_stack_returns_disallowed_nothing_to_redo ... ok [INFO] [stdout] test engine::tests::redo_restores_state_after_undo_and_returns_redone_frame ... ok [INFO] [stdout] test engine::tests::stop_halts_dispatch ... ok [INFO] [stdout] test engine::tests::trace_appended_at_diff_application ... ok [INFO] [stdout] test engine::tests::irreversible_history_tests::irreversible_history_reversible_commit_is_undoable ... ok [INFO] [stdout] test engine::tests::engine_new_sorts_behaviors_by_order_key_then_name ... ok [INFO] [stdout] test engine::tests::invariant_06_behaviors_do_not_mutate_state_directly ... ok [INFO] [stdout] test engine::tests::new_committed_dispatch_after_undo_clears_redo_stack ... ok [INFO] [stdout] test engine::tests::later_behavior_sees_earlier_diffs ... ok [INFO] [stdout] test engine::tests::redo_depth_starts_at_zero ... ok [INFO] [stdout] test engine::tests::undo_on_empty_stack_returns_disallowed_nothing_to_undo ... ok [INFO] [stdout] test engine::tests::undo_restores_prior_state_and_returns_undone_frame ... ok [INFO] [stdout] test engine::tests::undo_snapshot_is_exact_no_reversible_trait_required ... ok [INFO] [stdout] test engine::tests::undo_depth_and_redo_depth_track_correctly ... ok [INFO] [stdout] test outcome::tests::all_3_engine_error_variants_are_constructable ... ok [INFO] [stdout] test engine::tests::undo_depth_starts_at_zero ... ok [INFO] [stdout] test outcome::tests::history_disallowed_derives_debug_clone_copy_partialeq_eq ... ok [INFO] [stdout] test outcome::tests::history_disallowed_variants_are_constructable_and_matchable ... ok [INFO] [stdout] test outcome::tests::engine_error_and_outcome_are_distinct_types ... ok [INFO] [stdout] test outcome::tests::all_7_outcome_variants_are_constructable_and_exhaustively_matchable ... ok [INFO] [stdout] test reversibility::tests::reversibility_is_debug ... ok [INFO] [stdout] test outcome::tests::outcome_committed_carries_frame ... ok [INFO] [stdout] test outcome::tests::frame_is_constructable_cloneable_and_eq ... ok [INFO] [stdout] test spec::tests::engine_spec_associated_types_satisfy_bounds ... ok [INFO] [stdout] test reversibility::tests::reversibility_is_copy_and_eq ... ok [INFO] [stdout] test outcome::tests::outcome_no_change_has_no_payload ... ok [INFO] [stdout] test reversibility::tests::reversibility_variants_are_exhaustively_matchable ... ok [INFO] [stdout] test engine::tests::prop_dispatch_is_deterministic ... ok [INFO] [stdout] test engine::tests::prop_undo_restores_exact_state ... ok [INFO] [stdout] test apply::tests::trace_contract_noop_diff_may_return_zero_entries ... ok [INFO] [stdout] test outcome::tests::frame_stores_vec_diffs_and_vec_traces ... ok [INFO] [stdout] [INFO] [stdout] test result: ok. 72 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.08s [INFO] [stdout] [INFO] [stderr] Doc-tests herdingcats [INFO] [stdout] [INFO] [stdout] running 7 tests [INFO] [stdout] test src/behavior.rs - behavior::BehaviorResult (line 27) ... ok [INFO] [stdout] test src/apply.rs - apply::Apply (line 11) ... ok [INFO] [stdout] test src/outcome.rs - outcome::EngineError (line 140) ... ok [INFO] [stdout] test src/reversibility.rs - reversibility::Reversibility (line 8) ... ok [INFO] [stdout] test src/engine.rs - engine::Engine (line 27) ... ok [INFO] [stdout] test src/spec.rs - spec::EngineSpec (line 14) ... ok [INFO] [stdout] test src/behavior.rs - behavior::BehaviorDef (line 113) ... 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] [INFO] [stdout] running 2 tests [INFO] [stdout] test src/behavior.rs - behavior::BehaviorDef (line 84) - compile fail ... ok [INFO] [stdout] test src/spec.rs - spec::EngineSpec (line 45) - compile fail ... ok [INFO] [stdout] [INFO] [stdout] test result: ok. 2 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.11s [INFO] [stdout] [INFO] [stdout] all doctests ran in 0.89s; merged doctests compilation took 0.74s [INFO] running `Command { std: "docker" "inspect" "e17813bbc1a5eb75268cc2d8b84b6629a2c0b2a9abebb5ba800a2922a2fae26f", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "e17813bbc1a5eb75268cc2d8b84b6629a2c0b2a9abebb5ba800a2922a2fae26f", kill_on_drop: false }` [INFO] [stdout] e17813bbc1a5eb75268cc2d8b84b6629a2c0b2a9abebb5ba800a2922a2fae26f