[INFO] fetching crate neco-history 0.2.0...
[INFO] testing neco-history-0.2.0 against beta-2026-04-21 for beta-1.96-2
[INFO] extracting crate neco-history 0.2.0 into /workspace/builds/worker-4-tc2/source
[INFO] started tweaking crates.io crate neco-history 0.2.0
[INFO] finished tweaking crates.io crate neco-history 0.2.0
[INFO] tweaked toml for crates.io crate neco-history 0.2.0 written to /workspace/builds/worker-4-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate neco-history 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 neco-history 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-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2026-04-21" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 70379a8a2ce6f88ddcba8ee933a23759a139270e33347d25188f77dd565f121d
[INFO] running `Command { std: "docker" "start" "-a" "70379a8a2ce6f88ddcba8ee933a23759a139270e33347d25188f77dd565f121d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "70379a8a2ce6f88ddcba8ee933a23759a139270e33347d25188f77dd565f121d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "70379a8a2ce6f88ddcba8ee933a23759a139270e33347d25188f77dd565f121d", kill_on_drop: false }`
[INFO] [stdout] 70379a8a2ce6f88ddcba8ee933a23759a139270e33347d25188f77dd565f121d
[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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2026-04-21" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] d21021b5834afa93952648ae7f420f9f1ca69c5dfc808e99d862f335d1607241
[INFO] running `Command { std: "docker" "start" "-a" "d21021b5834afa93952648ae7f420f9f1ca69c5dfc808e99d862f335d1607241", kill_on_drop: false }`
[INFO] [stderr]    Compiling neco-tree v0.1.0
[INFO] [stderr]    Compiling neco-textpatch v0.1.2
[INFO] [stderr]    Compiling neco-history v0.2.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.76s
[INFO] running `Command { std: "docker" "inspect" "d21021b5834afa93952648ae7f420f9f1ca69c5dfc808e99d862f335d1607241", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d21021b5834afa93952648ae7f420f9f1ca69c5dfc808e99d862f335d1607241", kill_on_drop: false }`
[INFO] [stdout] d21021b5834afa93952648ae7f420f9f1ca69c5dfc808e99d862f335d1607241
[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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2026-04-21" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 17080e1de84d476918b338cc4117b8b84414a208d06faa2ae3bcbd538a333728
[INFO] running `Command { std: "docker" "start" "-a" "17080e1de84d476918b338cc4117b8b84414a208d06faa2ae3bcbd538a333728", kill_on_drop: false }`
[INFO] [stderr]    Compiling neco-history v0.2.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.55s
[INFO] running `Command { std: "docker" "inspect" "17080e1de84d476918b338cc4117b8b84414a208d06faa2ae3bcbd538a333728", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "17080e1de84d476918b338cc4117b8b84414a208d06faa2ae3bcbd538a333728", kill_on_drop: false }`
[INFO] [stdout] 17080e1de84d476918b338cc4117b8b84414a208d06faa2ae3bcbd538a333728
[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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2026-04-21" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 66c860603a3b200ffc8f85116735a1bd5a97e1a903842220aa438b32d88a7a5a
[INFO] running `Command { std: "docker" "start" "-a" "66c860603a3b200ffc8f85116735a1bd5a97e1a903842220aa438b32d88a7a5a", kill_on_drop: false }`
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.16s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/neco_history-29f71fdece7a47ea)
[INFO] [stdout] 
[INFO] [stdout] running 21 tests
[INFO] [stdout] test tests::jump_to_returns_undo_redo_steps ... ok
[INFO] [stdout] test tests::jump_to_through_snapshot_node ... ok
[INFO] [stdout] test tests::new_creates_root_with_initial_snapshot ... ok
[INFO] [stdout] test tests::delete_undo_restores_text ... ok
[INFO] [stdout] test tests::can_undo_can_redo_reflect_cursor_position ... ok
[INFO] [stdout] test tests::redo_at_leaf_returns_none ... ok
[INFO] [stdout] test tests::prune_removes_old_branches ... ok
[INFO] [stdout] test tests::push_edit_inverse_roundtrip ... ok
[INFO] [stdout] test tests::push_snapshot_stores_full_text ... ok
[INFO] [stdout] test tests::jump_to_inside_group_is_node_precise ... ok
[INFO] [stdout] test tests::checkpoint_is_inserted_at_interval ... ok
[INFO] [stdout] test tests::multiple_edits_undo_redo_roundtrip ... ok
[INFO] [stdout] test tests::grouped_edits_undo_and_redo_together ... ok
[INFO] [stdout] test tests::jump_to_current_returns_empty_steps ... ok
[INFO] [stdout] test tests::undo_at_root_returns_none ... ok
[INFO] [stdout] test tests::undo_snapshot_entry_provides_parent_snapshot ... ok
[INFO] [stdout] test tests::undo_returns_inverse_and_moves_to_parent ... ok
[INFO] [stdout] test tests::redo_returns_forward_and_moves_to_child ... ok
[INFO] [stdout] test tests::undo_then_push_creates_new_branch ... ok
[INFO] [stdout] test tests::jump_to_nonexistent_returns_none ... ok
[INFO] [stdout] test tests::push_edit_records_forward_and_inverse ... ok
[INFO] [stderr]    Doc-tests neco_history
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 21 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.13s
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "66c860603a3b200ffc8f85116735a1bd5a97e1a903842220aa438b32d88a7a5a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "66c860603a3b200ffc8f85116735a1bd5a97e1a903842220aa438b32d88a7a5a", kill_on_drop: false }`
[INFO] [stdout] 66c860603a3b200ffc8f85116735a1bd5a97e1a903842220aa438b32d88a7a5a
