[INFO] fetching crate seq-core 5.6.1...
[INFO] testing seq-core-5.6.1 against beta-2026-04-21 for beta-1.96-2
[INFO] extracting crate seq-core 5.6.1 into /workspace/builds/worker-2-tc2/source
[INFO] started tweaking crates.io crate seq-core 5.6.1
[INFO] finished tweaking crates.io crate seq-core 5.6.1
[INFO] tweaked toml for crates.io crate seq-core 5.6.1 written to /workspace/builds/worker-2-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate seq-core 5.6.1 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 seq-core 5.6.1 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-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] 3cf7f2aa2f2ff5198d4aaf273be55c8716ca8d63864ca9ef399e35cd74446f0f
[INFO] running `Command { std: "docker" "start" "-a" "3cf7f2aa2f2ff5198d4aaf273be55c8716ca8d63864ca9ef399e35cd74446f0f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "3cf7f2aa2f2ff5198d4aaf273be55c8716ca8d63864ca9ef399e35cd74446f0f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3cf7f2aa2f2ff5198d4aaf273be55c8716ca8d63864ca9ef399e35cd74446f0f", kill_on_drop: false }`
[INFO] [stdout] 3cf7f2aa2f2ff5198d4aaf273be55c8716ca8d63864ca9ef399e35cd74446f0f
[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] 0caadc3f22adeff9630fb5afe6c9c17e72b563c33fde785ccefb499c7b121609
[INFO] running `Command { std: "docker" "start" "-a" "0caadc3f22adeff9630fb5afe6c9c17e72b563c33fde785ccefb499c7b121609", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.186
[INFO] [stderr]    Compiling fastrand v2.4.1
[INFO] [stderr]    Compiling bumpalo v3.20.2
[INFO] [stderr]    Compiling cc v1.2.60
[INFO] [stderr]    Compiling nix v0.30.1
[INFO] [stderr]    Compiling may_queue v0.1.23
[INFO] [stderr]    Compiling may v0.3.51
[INFO] [stderr]    Compiling crossbeam-channel v0.5.15
[INFO] [stderr]    Compiling crossbeam-queue v0.3.12
[INFO] [stderr]    Compiling crossbeam-deque v0.8.6
[INFO] [stderr]    Compiling crossbeam v0.8.4
[INFO] [stderr]    Compiling generator v0.8.8
[INFO] [stderr]    Compiling parking_lot_core v0.9.12
[INFO] [stderr]    Compiling num_cpus v1.17.0
[INFO] [stderr]    Compiling socket2 v0.5.10
[INFO] [stderr]    Compiling parking_lot v0.12.5
[INFO] [stderr]    Compiling core_affinity v0.8.3
[INFO] [stderr]    Compiling seq-core v5.6.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 7.14s
[INFO] running `Command { std: "docker" "inspect" "0caadc3f22adeff9630fb5afe6c9c17e72b563c33fde785ccefb499c7b121609", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0caadc3f22adeff9630fb5afe6c9c17e72b563c33fde785ccefb499c7b121609", kill_on_drop: false }`
[INFO] [stdout] 0caadc3f22adeff9630fb5afe6c9c17e72b563c33fde785ccefb499c7b121609
[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] 98c1d3d6e89fa7e684c0d43cf82121f4ec789361776025ee36e31064ec5874be
[INFO] running `Command { std: "docker" "start" "-a" "98c1d3d6e89fa7e684c0d43cf82121f4ec789361776025ee36e31064ec5874be", kill_on_drop: false }`
[INFO] [stderr]    Compiling seq-core v5.6.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 1.59s
[INFO] running `Command { std: "docker" "inspect" "98c1d3d6e89fa7e684c0d43cf82121f4ec789361776025ee36e31064ec5874be", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "98c1d3d6e89fa7e684c0d43cf82121f4ec789361776025ee36e31064ec5874be", kill_on_drop: false }`
[INFO] [stdout] 98c1d3d6e89fa7e684c0d43cf82121f4ec789361776025ee36e31064ec5874be
[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] 6034d5889f4df02130de0c0bf6122a52858478cab18cd6e2a4057fb5b377d3bc
[INFO] running `Command { std: "docker" "start" "-a" "6034d5889f4df02130de0c0bf6122a52858478cab18cd6e2a4057fb5b377d3bc", kill_on_drop: false }`
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.05s
[INFO] [stdout] 
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/seq_core-1185d5da39ec48fa)
[INFO] [stdout] running 74 tests
[INFO] [stdout] test error::tests::test_set_and_take_error ... ok
[INFO] [stdout] test arena::tests::test_with_arena ... ok
[INFO] [stdout] test memory_stats::tests::test_registry_basic ... ok
[INFO] [stdout] test memory_stats::tests::test_registry_overflow ... ok
[INFO] [stdout] test memory_stats::tests::test_thread_local_slot ... ok
[INFO] [stdout] test seqstring::tests::test_arena_string ... ok
[INFO] [stdout] test memory_stats::tests::test_update_helpers ... ok
[INFO] [stdout] test error::tests::test_clear_error ... ok
[INFO] [stdout] test arena::tests::test_arena_reset ... ok
[INFO] [stdout] test seqstring::tests::test_arena_string_capacity_zero ... ok
[INFO] [stdout] test seqstring::tests::test_debug_format ... ok
[INFO] [stdout] test seqstring::tests::test_from_str ... ok
[INFO] [stdout] test seqstring::tests::test_clone_creates_global ... ok
[INFO] [stdout] test seqstring::tests::test_from_string ... ok
[INFO] [stdout] test seqstring::tests::test_equality ... ok
[INFO] [stdout] test seqstring::tests::test_empty_string ... ok
[INFO] [stdout] test seqstring::tests::test_clone_global ... ok
[INFO] [stdout] test seqstring::tests::test_global_string_preserves_capacity ... ok
[INFO] [stdout] test seqstring::tests::test_unicode ... ok
[INFO] [stdout] test seqstring::tests::test_global_string ... ok
[INFO] [stdout] test son::tests::test_bool_false ... ok
[INFO] [stdout] test memory_stats::tests::test_concurrent_registration ... ok
[INFO] [stdout] test seqstring::tests::test_drop_arena ... ok
[INFO] [stdout] test son::tests::test_bool_true ... ok
[INFO] [stdout] test son::tests::test_closure ... ok
[INFO] [stdout] test seqstring::tests::test_drop_global ... ok
[INFO] [stdout] test seqstring::tests::test_display_format ... ok
[INFO] [stdout] test son::tests::test_float ... ok
[INFO] [stdout] test son::tests::test_empty_map ... ok
[INFO] [stdout] test son::tests::test_float_whole_number ... ok
[INFO] [stdout] test son::tests::test_int ... ok
[INFO] [stdout] test son::tests::test_list_pretty ... ok
[INFO] [stdout] test son::tests::test_map ... ok
[INFO] [stdout] test son::tests::test_list ... ok
[INFO] [stdout] test son::tests::test_empty_list ... ok
[INFO] [stdout] test son::tests::test_nested_list_in_map ... ok
[INFO] [stdout] test son::tests::test_quotation ... ok
[INFO] [stdout] test son::tests::test_string_simple ... ok
[INFO] [stdout] test son::tests::test_symbol ... ok
[INFO] [stdout] test son::tests::test_variant_pretty ... ok
[INFO] [stdout] test son::tests::test_variant_no_fields ... ok
[INFO] [stdout] test son::tests::test_variant_with_fields ... ok
[INFO] [stdout] test stack::tests::test_dup_pop_pop_heap_type ... ok
[INFO] [stdout] test stack::tests::test_channel_roundtrip ... ok
[INFO] [stdout] test stack::tests::test_float_roundtrip ... ok
[INFO] [stdout] test stack::tests::test_int_roundtrip ... ok
[INFO] [stdout] test stack::tests::test_map_roundtrip ... ok
[INFO] [stdout] test stack::tests::test_pick_out_of_bounds_sets_error ... ok
[INFO] [stdout] test son::tests::test_string_escaping ... ok
[INFO] [stdout] test stack::tests::test_pick_negative_index_sets_error ... ok
[INFO] [stdout] test son::tests::test_string_quotes ... ok
[INFO] [stdout] test stack::tests::test_roll_negative_index_sets_error ... ok
[INFO] [stdout] test stack::tests::test_roll_out_of_bounds_sets_error ... ok
[INFO] [stdout] test stack::tests::test_bool_roundtrip ... ok
[INFO] [stdout] test stack::tests::test_variant_roundtrip ... ok
[INFO] [stdout] test stack::tests::test_closure_roundtrip ... ok
[INFO] [stdout] test tagged_stack::tests::test_stack_clone ... ok
[INFO] [stdout] test stack::tests::test_string_roundtrip ... ok
[INFO] [stdout] test tagged_stack::tests::test_stack_grow ... ok
[INFO] [stdout] test tagged_stack::tests::test_stack_peek ... ok
[INFO] [stdout] test stack::tests::test_quotation_roundtrip ... ok
[INFO] [stdout] test stack::tests::test_symbol_roundtrip ... ok
[INFO] [stdout] test tagged_stack::tests::test_tagged_bool_encoding ... ok
[INFO] [stdout] test tagged_stack::tests::test_stack_value_size ... ok
[INFO] [stdout] test tagged_stack::tests::test_tagged_int_encoding ... ok
[INFO] [stdout] test tagged_stack::tests::test_stack_basic_operations ... ok
[INFO] [stdout] test value::tests::test_value_int_layout ... ok
[INFO] [stdout] test stack::tests::test_weavectx_roundtrip ... ok
[INFO] [stdout] test value::tests::test_value_layout ... ok
[INFO] [stdout] test value::tests::test_value_bool_layout ... ok
[INFO] [stdout] test value::tests::test_value_display ... ok
[INFO] [stdout] test memory_stats::tests::test_thread_ids_are_unique ... ok
[INFO] [stdout] test arena::tests::test_auto_reset_threshold ... ok
[INFO] [stderr]    Doc-tests seq_core
[INFO] [stdout] test son::tests::test_negative_int ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 74 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.11s
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 2 tests
[INFO] [stdout] test src/error.rs - error (line 17) ... ignored
[INFO] [stdout] test src/error.rs - error (line 9) ... ignored
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 2 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stdout] all doctests ran in 0.34s; merged doctests compilation took 0.33s
[INFO] running `Command { std: "docker" "inspect" "6034d5889f4df02130de0c0bf6122a52858478cab18cd6e2a4057fb5b377d3bc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6034d5889f4df02130de0c0bf6122a52858478cab18cd6e2a4057fb5b377d3bc", kill_on_drop: false }`
[INFO] [stdout] 6034d5889f4df02130de0c0bf6122a52858478cab18cd6e2a4057fb5b377d3bc
