[INFO] fetching crate ring-seq 0.2.0...
[INFO] testing ring-seq-0.2.0 against beta-2026-04-21 for beta-1.96-2
[INFO] extracting crate ring-seq 0.2.0 into /workspace/builds/worker-2-tc2/source
[INFO] started tweaking crates.io crate ring-seq 0.2.0
[INFO] finished tweaking crates.io crate ring-seq 0.2.0
[INFO] tweaked toml for crates.io crate ring-seq 0.2.0 written to /workspace/builds/worker-2-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate ring-seq 0.2.0 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 ring-seq 0.2.0 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" "+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] 8ef5e9581042abb962c3c710e2e4e61b144bd45d58dd75cf79d0138ac945dcb7
[INFO] running `Command { std: "docker" "start" "-a" "8ef5e9581042abb962c3c710e2e4e61b144bd45d58dd75cf79d0138ac945dcb7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "8ef5e9581042abb962c3c710e2e4e61b144bd45d58dd75cf79d0138ac945dcb7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8ef5e9581042abb962c3c710e2e4e61b144bd45d58dd75cf79d0138ac945dcb7", kill_on_drop: false }`
[INFO] [stdout] 8ef5e9581042abb962c3c710e2e4e61b144bd45d58dd75cf79d0138ac945dcb7
[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] e4f08b3a082af225819f0df04e95a1135cca0de68ca3aa76d686c7165901c687
[INFO] running `Command { std: "docker" "start" "-a" "e4f08b3a082af225819f0df04e95a1135cca0de68ca3aa76d686c7165901c687", kill_on_drop: false }`
[INFO] [stderr]    Compiling ring-seq v0.2.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.23s
[INFO] running `Command { std: "docker" "inspect" "e4f08b3a082af225819f0df04e95a1135cca0de68ca3aa76d686c7165901c687", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e4f08b3a082af225819f0df04e95a1135cca0de68ca3aa76d686c7165901c687", kill_on_drop: false }`
[INFO] [stdout] e4f08b3a082af225819f0df04e95a1135cca0de68ca3aa76d686c7165901c687
[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] 89b44cd3d395cc554cd879dda595bd2d8b9726cb4c05d67a00ec4d32490068b0
[INFO] running `Command { std: "docker" "start" "-a" "89b44cd3d395cc554cd879dda595bd2d8b9726cb4c05d67a00ec4d32490068b0", kill_on_drop: false }`
[INFO] [stderr]    Compiling ring-seq v0.2.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.80s
[INFO] running `Command { std: "docker" "inspect" "89b44cd3d395cc554cd879dda595bd2d8b9726cb4c05d67a00ec4d32490068b0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "89b44cd3d395cc554cd879dda595bd2d8b9726cb4c05d67a00ec4d32490068b0", kill_on_drop: false }`
[INFO] [stdout] 89b44cd3d395cc554cd879dda595bd2d8b9726cb4c05d67a00ec4d32490068b0
[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] 2d5259afe46d29e7330ba3bb7700c62dbb86f138a2ef27a70973e6c0384d376d
[INFO] running `Command { std: "docker" "start" "-a" "2d5259afe46d29e7330ba3bb7700c62dbb86f138a2ef27a70973e6c0384d376d", kill_on_drop: false }`
[INFO] [stdout] 
[INFO] [stdout] running 99 tests
[INFO] [stdout] test tests::align_to_different_sizes ... ok
[INFO] [stdout] test tests::align_to_empty ... ok
[INFO] [stdout] test tests::align_to_not_found ... ok
[INFO] [stdout] test tests::all_rotations_and_reflections_have_same_bracelet ... ok
[INFO] [stdout] test tests::all_rotations_have_same_canonical ... ok
[INFO] [stdout] test tests::apply_o_single_element ... ok
[INFO] [stdout] test tests::apply_o_wraps ... ok
[INFO] [stdout] test tests::axis_location_edge_constructor ... ok
[INFO] [stdout] test tests::align_to_found ... ok
[INFO] [stdout] test tests::booth_sorted ... ok
[INFO] [stdout] test tests::booth_two_elements ... ok
[INFO] [stdout] test tests::booth_all_same ... ok
[INFO] [stdout] test tests::bracelet_reflection_equivalence ... ok
[INFO] [stdout] test tests::bracelet_basic ... ok
[INFO] [stdout] test tests::canonical_all_equal ... ok
[INFO] [stdout] test tests::booth_rotated ... ok
[INFO] [stdout] test tests::canonical_basic ... ok
[INFO] [stdout] test tests::canonical_index_basic ... ok
[INFO] [stdout] test tests::canonical_index_empty_and_single ... ok
[INFO] [stdout] test tests::canonical_rotations_are_equal ... ok
[INFO] [stdout] test tests::chained_operations ... ok
[INFO] [stdout] test tests::circular_chunks_basic ... ok
[INFO] [stdout] test tests::circular_chunks_evenly_divisible ... ok
[INFO] [stdout] test tests::circular_windows_basic ... ok
[INFO] [stdout] test tests::circular_windows_empty ... ok
[INFO] [stdout] test tests::circular_windows_exact_size ... ok
[INFO] [stdout] test tests::contains_slice_basic ... ok
[INFO] [stdout] test tests::contains_slice_empty_ring ... ok
[INFO] [stdout] test tests::contains_slice_empty_slice ... ok
[INFO] [stdout] test tests::drop_while_basic ... ok
[INFO] [stdout] test tests::hamming_distance_basic ... ok
[INFO] [stdout] test tests::circular_enumerate_basic ... ok
[INFO] [stdout] test tests::circular_enumerate_empty ... ok
[INFO] [stdout] test tests::index_from_negative ... ok
[INFO] [stdout] test tests::index_from_positive ... ok
[INFO] [stdout] test tests::index_of_slice_basic ... ok
[INFO] [stdout] test tests::index_of_slice_with_from ... ok
[INFO] [stdout] test tests::is_reflection_of_false ... ok
[INFO] [stdout] test tests::is_reflection_of_true ... ok
[INFO] [stdout] test tests::is_reversion_of_false ... ok
[INFO] [stdout] test tests::is_reversion_of_true ... ok
[INFO] [stdout] test tests::is_rotation_of_all_rotations ... ok
[INFO] [stdout] test tests::is_rotation_of_empty ... ok
[INFO] [stdout] test tests::is_rotation_of_false ... ok
[INFO] [stdout] test tests::is_rotation_or_reflection_of_true ... ok
[INFO] [stdout] test tests::is_rotation_of_true ... ok
[INFO] [stdout] test tests::last_index_of_slice_basic ... ok
[INFO] [stdout] test tests::min_rotational_hamming_distance_basic ... ok
[INFO] [stdout] test tests::min_rotational_hamming_distance_empty ... ok
[INFO] [stdout] test tests::min_rotational_hamming_distance_nonzero ... ok
[INFO] [stdout] test tests::reflect_at_basic ... ok
[INFO] [stdout] test tests::reflect_at_empty ... ok
[INFO] [stdout] test tests::reflect_at_is_involution ... ok
[INFO] [stdout] test tests::reflect_at_single ... ok
[INFO] [stdout] test tests::reflectional_symmetry_axes_empty ... ok
[INFO] [stdout] test tests::reflectional_symmetry_axes_even_vertices ... ok
[INFO] [stdout] test tests::reflectional_symmetry_axes_odd ... ok
[INFO] [stdout] test tests::reflections_basic ... ok
[INFO] [stdout] test tests::reflections_empty ... ok
[INFO] [stdout] test tests::reversions_basic ... ok
[INFO] [stdout] test tests::rotate_left_basic ... ok
[INFO] [stdout] test tests::rotate_right_basic ... ok
[INFO] [stdout] test tests::rotate_right_negative ... ok
[INFO] [stdout] test tests::rotate_right_empty ... ok
[INFO] [stdout] test tests::rotate_right_then_left_is_identity ... ok
[INFO] [stdout] test tests::rotational_symmetry_basic ... ok
[INFO] [stdout] test tests::rotational_symmetry_small ... ok
[INFO] [stdout] test tests::rotations_and_reflections_basic ... ok
[INFO] [stdout] test tests::rotations_and_reflections_empty ... ok
[INFO] [stdout] test tests::rotations_basic ... ok
[INFO] [stdout] test tests::rotations_and_reflections_exact_size ... ok
[INFO] [stdout] test tests::rotations_empty ... ok
[INFO] [stdout] test tests::rotations_exact_size ... ok
[INFO] [stdout] test tests::segment_length_basic ... ok
[INFO] [stdout] test tests::apply_o_empty_panics - should panic ... ok
[INFO] [stdout] test tests::segment_length_empty ... ok
[INFO] [stdout] test tests::slice_o_basic ... ok
[INFO] [stdout] test tests::slice_o_empty_result ... ok
[INFO] [stdout] test tests::axis_location_edge_zero_size_panics - should panic ... ok
[INFO] [stdout] test tests::slice_o_empty_ring ... ok
[INFO] [stdout] test tests::slice_o_wrapping ... ok
[INFO] [stdout] test tests::span_all_pass ... ok
[INFO] [stdout] test tests::span_basic ... ok
[INFO] [stdout] test tests::circular_windows_zero_size_panics - should panic ... ok
[INFO] [stdout] test tests::span_none_pass ... ok
[INFO] [stdout] test tests::circular_windows_zero_step_panics - should panic ... ok
[INFO] [stdout] test tests::start_at_basic ... ok
[INFO] [stdout] test tests::hamming_distance_different_sizes_panics - should panic ... ok
[INFO] [stdout] test tests::start_at_then_apply_o_recovers_element ... ok
[INFO] [stdout] test tests::symmetry_basic ... ok
[INFO] [stdout] test tests::symmetry_empty ... ok
[INFO] [stdout] test tests::symmetry_count_divides_twice_size_for_nonempty ... ok
[INFO] [stdout] test tests::symmetry_indices_basic ... ok
[INFO] [stdout] test tests::index_from_empty_panics - should panic ... ok
[INFO] [stdout] test tests::symmetry_indices_none ... ok
[INFO] [stdout] test tests::symmetry_indices_palindrome ... ok
[INFO] [stdout] test tests::take_while_basic ... ok
[INFO] [stdout] test tests::works_on_boxed_slice ... ok
[INFO] [stdout] test tests::works_on_vec ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 99 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.02s
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 38 tests
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/ring_seq-4f09f302418bf4bd)
[INFO] [stderr]    Doc-tests ring_seq
[INFO] [stdout] test src/lib.rs - RingSeq (line 112) ... ok
[INFO] [stdout] test src/lib.rs - RingSeq::bracelet (line 668) ... ok
[INFO] [stdout] test src/lib.rs - AxisLocation::edge (line 90) ... ok
[INFO] [stdout] test src/lib.rs - RingSeq::apply_o (line 145) ... ok
[INFO] [stdout] test src/lib.rs - RingSeq::canonical_index (line 631) ... ok
[INFO] [stdout] test src/lib.rs - RingSeq::canonical (line 649) ... ok
[INFO] [stdout] test src/lib.rs - RingSeq::hamming_distance (line 591) ... ok
[INFO] [stdout] test src/lib.rs - (line 9) ... ok
[INFO] [stdout] test src/lib.rs - RingSeq::circular_chunks (line 398) ... ok
[INFO] [stdout] test src/lib.rs - RingSeq::circular_enumerate (line 414) ... ok
[INFO] [stdout] test src/lib.rs - RingSeq::index_from (line 128) ... ok
[INFO] [stdout] test src/lib.rs - RingSeq::contains_slice (line 318) ... ok
[INFO] [stdout] test src/lib.rs - RingSeq::is_reflection_of (line 526) ... ok
[INFO] [stdout] test src/lib.rs - RingSeq::is_reversion_of (line 540) ... ok
[INFO] [stdout] test src/lib.rs - RingSeq::index_of_slice (line 336) ... ok
[INFO] [stdout] test src/lib.rs - RingSeq::drop_while (line 260) ... ok
[INFO] [stdout] test src/lib.rs - RingSeq::last_index_of_slice (line 353) ... ok
[INFO] [stdout] test src/lib.rs - RingSeq::min_rotational_hamming_distance (line 611) ... ok
[INFO] [stdout] test src/lib.rs - RingSeq::circular_windows (line 377) ... ok
[INFO] [stdout] test src/lib.rs - RingSeq::is_rotation_or_reflection_of (line 554) ... ok
[INFO] [stdout] test src/lib.rs - RingSeq::is_rotation_of (line 507) ... ok
[INFO] [stdout] test src/lib.rs - RingSeq::rotate_right (line 163) ... ok
[INFO] [stdout] test src/lib.rs - RingSeq::rotation_offset (line 572) ... ok
[INFO] [stdout] test src/lib.rs - RingSeq::reflect_at (line 215) ... ok
[INFO] [stdout] test src/lib.rs - RingSeq::reflections (line 450) ... ok
[INFO] [stdout] test src/lib.rs - RingSeq::reflectional_symmetry_axes (line 726) ... ok
[INFO] [stdout] test src/lib.rs - RingSeq::rotational_symmetry (line 689) ... ok
[INFO] [stdout] test src/lib.rs - RingSeq::reversions (line 466) ... ok
[INFO] [stdout] test src/lib.rs - RingSeq::start_at (line 198) ... ok
[INFO] [stdout] test src/lib.rs - RingSeq::rotate_left (line 181) ... ok
[INFO] [stdout] test src/lib.rs - RingSeq::segment_length (line 232) ... ok
[INFO] [stdout] test src/lib.rs - RingSeq::rotations (line 434) ... ok
[INFO] [stdout] test src/lib.rs - RingSeq::symmetry (line 742) ... ok
[INFO] [stdout] test src/lib.rs - RingSeq::span (line 277) ... ok
[INFO] [stdout] test src/lib.rs - RingSeq::take_while (line 245) ... ok
[INFO] [stdout] test src/lib.rs - RingSeq::rotations_and_reflections (line 483) ... ok
[INFO] [stdout] test src/lib.rs - RingSeq::slice_o (line 299) ... ok
[INFO] [stdout] test src/lib.rs - RingSeq::symmetry_indices (line 708) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 38 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 2.55s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "2d5259afe46d29e7330ba3bb7700c62dbb86f138a2ef27a70973e6c0384d376d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2d5259afe46d29e7330ba3bb7700c62dbb86f138a2ef27a70973e6c0384d376d", kill_on_drop: false }`
[INFO] [stdout] 2d5259afe46d29e7330ba3bb7700c62dbb86f138a2ef27a70973e6c0384d376d
