[INFO] fetching crate winter-utils 0.13.1...
[INFO] testing winter-utils-0.13.1 against beta-2025-10-28 for beta-1.92-2
[INFO] extracting crate winter-utils 0.13.1 into /workspace/builds/worker-4-tc2/source
[INFO] started tweaking crates.io crate winter-utils 0.13.1
[INFO] finished tweaking crates.io crate winter-utils 0.13.1
[INFO] tweaked toml for crates.io crate winter-utils 0.13.1 written to /workspace/builds/worker-4-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate winter-utils 0.13.1 on toolchain beta-2025-10-28
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2025-10-28" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate winter-utils 0.13.1 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-2025-10-28" "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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-10-28" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 3ad82a6397893fe61cf9aafdaaaa4fe75b94e16e73d2e74d5e09f6dfa2417c7c
[INFO] running `Command { std: "docker" "start" "-a" "3ad82a6397893fe61cf9aafdaaaa4fe75b94e16e73d2e74d5e09f6dfa2417c7c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "3ad82a6397893fe61cf9aafdaaaa4fe75b94e16e73d2e74d5e09f6dfa2417c7c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3ad82a6397893fe61cf9aafdaaaa4fe75b94e16e73d2e74d5e09f6dfa2417c7c", kill_on_drop: false }`
[INFO] [stdout] 3ad82a6397893fe61cf9aafdaaaa4fe75b94e16e73d2e74d5e09f6dfa2417c7c
[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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-10-28" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 76ae57645ee53c0f5b5eff619e2209d157a661e82a40999e6461d732cbaa28eb
[INFO] running `Command { std: "docker" "start" "-a" "76ae57645ee53c0f5b5eff619e2209d157a661e82a40999e6461d732cbaa28eb", kill_on_drop: false }`
[INFO] [stderr]    Compiling winter-utils v0.13.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.36s
[INFO] running `Command { std: "docker" "inspect" "76ae57645ee53c0f5b5eff619e2209d157a661e82a40999e6461d732cbaa28eb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "76ae57645ee53c0f5b5eff619e2209d157a661e82a40999e6461d732cbaa28eb", kill_on_drop: false }`
[INFO] [stdout] 76ae57645ee53c0f5b5eff619e2209d157a661e82a40999e6461d732cbaa28eb
[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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-10-28" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] bc1195850bf679d10bba811ebfb5138cf1bc55b03c99c6ddef51288dfec9b051
[INFO] running `Command { std: "docker" "start" "-a" "bc1195850bf679d10bba811ebfb5138cf1bc55b03c99c6ddef51288dfec9b051", kill_on_drop: false }`
[INFO] [stderr]    Compiling bitflags v2.9.1
[INFO] [stderr]    Compiling once_cell v1.21.3
[INFO] [stderr]    Compiling rustix v1.0.7
[INFO] [stderr]    Compiling getrandom v0.3.3
[INFO] [stderr]    Compiling wait-timeout v0.2.1
[INFO] [stderr]    Compiling ppv-lite86 v0.2.21
[INFO] [stderr]    Compiling rand_core v0.9.3
[INFO] [stderr]    Compiling rand v0.9.1
[INFO] [stderr]    Compiling rand_xorshift v0.4.0
[INFO] [stderr]    Compiling rand_chacha v0.9.0
[INFO] [stderr]    Compiling tempfile v3.20.0
[INFO] [stderr]    Compiling rusty-fork v0.3.0
[INFO] [stderr]    Compiling proptest v1.7.0
[INFO] [stderr]    Compiling winter-utils v0.13.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 8.05s
[INFO] running `Command { std: "docker" "inspect" "bc1195850bf679d10bba811ebfb5138cf1bc55b03c99c6ddef51288dfec9b051", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bc1195850bf679d10bba811ebfb5138cf1bc55b03c99c6ddef51288dfec9b051", kill_on_drop: false }`
[INFO] [stdout] bc1195850bf679d10bba811ebfb5138cf1bc55b03c99c6ddef51288dfec9b051
[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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-10-28" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 24a2e179d4bdb346ce4362d8b645cf902befd80bbd9d0f8f63e26cae73f4dd1b
[INFO] running `Command { std: "docker" "start" "-a" "24a2e179d4bdb346ce4362d8b645cf902befd80bbd9d0f8f63e26cae73f4dd1b", kill_on_drop: false }`
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.04s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/winter_utils-8eeb02c7380b2d93)
[INFO] [stdout] 
[INFO] [stdout] running 25 tests
[INFO] [stdout] test serde::byte_reader::tests::read_adapter_empty ... ok
[INFO] [stdout] test serde::byte_reader::tests::read_adapter_roundtrip ... ok
[INFO] [stdout] test serde::byte_reader::tests::read_adapter_passthrough ... ok
[INFO] [stdout] test serde::byte_writer::tests::write_adapter_passthrough ... ok
[INFO] [stdout] test tests::read_u32 ... ok
[INFO] [stdout] test tests::read_u16 ... ok
[INFO] [stdout] test serde::byte_reader::tests::read_adapter_exact ... ok
[INFO] [stdout] test tests::read_u64 ... ok
[INFO] [stdout] test tests::read_u8 ... ok
[INFO] [stdout] test tests::read_u8_vec ... ok
[INFO] [stdout] test tests::size_hint_arrays_and_slices ... ok
[INFO] [stdout] test tests::size_hint_btree ... ok
[INFO] [stdout] test tests::size_hint_option ... ok
[INFO] [stdout] test tests::size_hint_string ... ok
[INFO] [stdout] test tests::size_hint_tuples ... ok
[INFO] [stdout] test tests::size_hint_vector ... ok
[INFO] [stdout] test tests::write_serializable ... ok
[INFO] [stdout] test tests::write_serializable_array_batch ... ok
[INFO] [stdout] test tests::write_serializable_batch ... ok
[INFO] [stdout] test tests::write_serializable_usize ... ok
[INFO] [stdout] test tests::size_hint_primitive_integers ... ok
[INFO] [stdout] test serde::byte_reader::tests::read_adapter_for_file ... ok
[INFO] [stdout] test serde::byte_reader::tests::read_adapter_issue_383 ... ok
[INFO] [stdout] test tests::usize_proptest ... ok
[INFO] [stdout] test serde::byte_writer::tests::write_adapter_writer_out_of_capacity - should panic ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 25 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.03s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests winter_utils
[INFO] [stdout] 
[INFO] [stdout] running 4 tests
[INFO] [stdout] test src/lib.rs - flatten_vector_elements (line 133) ... ok
[INFO] [stdout] test src/lib.rs - flatten_slice_elements (line 116) ... ok
[INFO] [stdout] test src/lib.rs - transpose_slice (line 159) ... ok
[INFO] [stdout] test src/lib.rs - group_slice_elements (line 98) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 4 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.19s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "24a2e179d4bdb346ce4362d8b645cf902befd80bbd9d0f8f63e26cae73f4dd1b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "24a2e179d4bdb346ce4362d8b645cf902befd80bbd9d0f8f63e26cae73f4dd1b", kill_on_drop: false }`
[INFO] [stdout] 24a2e179d4bdb346ce4362d8b645cf902befd80bbd9d0f8f63e26cae73f4dd1b