[INFO] fetching crate openvcs-core 0.1.8...
[INFO] testing openvcs-core-0.1.8 against try#dec9417b8611e34e787a3e4c37686b5131f9e5c5 for pr-154210-2
[INFO] extracting crate openvcs-core 0.1.8 into /workspace/builds/worker-4-tc2/source
[INFO] started tweaking crates.io crate openvcs-core 0.1.8
[INFO] finished tweaking crates.io crate openvcs-core 0.1.8
[INFO] tweaked toml for crates.io crate openvcs-core 0.1.8 written to /workspace/builds/worker-4-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate openvcs-core 0.1.8 on toolchain dec9417b8611e34e787a3e4c37686b5131f9e5c5
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+dec9417b8611e34e787a3e4c37686b5131f9e5c5" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate openvcs-core 0.1.8 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" "+dec9417b8611e34e787a3e4c37686b5131f9e5c5" "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" "+dec9417b8611e34e787a3e4c37686b5131f9e5c5" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 5e2c9b54c999e402d7afc4e8f468aa176bfc1631fc7159bd6858d82bedd22f71
[INFO] running `Command { std: "docker" "start" "-a" "5e2c9b54c999e402d7afc4e8f468aa176bfc1631fc7159bd6858d82bedd22f71", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "5e2c9b54c999e402d7afc4e8f468aa176bfc1631fc7159bd6858d82bedd22f71", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5e2c9b54c999e402d7afc4e8f468aa176bfc1631fc7159bd6858d82bedd22f71", kill_on_drop: false }`
[INFO] [stdout] 5e2c9b54c999e402d7afc4e8f468aa176bfc1631fc7159bd6858d82bedd22f71
[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=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" "+dec9417b8611e34e787a3e4c37686b5131f9e5c5" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 63fee1aa438c0dbfb156b53427cec2c7905e79c0af0089cb883a4eda6fc26102
[INFO] running `Command { std: "docker" "start" "-a" "63fee1aa438c0dbfb156b53427cec2c7905e79c0af0089cb883a4eda6fc26102", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.106
[INFO] [stderr]    Compiling quote v1.0.44
[INFO] [stderr]    Compiling zmij v1.0.19
[INFO] [stderr]    Compiling serde_json v1.0.149
[INFO] [stderr]    Compiling syn v2.0.114
[INFO] [stderr]    Compiling serde_derive v1.0.228
[INFO] [stderr]    Compiling serde v1.0.228
[INFO] [stderr]    Compiling openvcs-core v0.1.8 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 9.82s
[INFO] running `Command { std: "docker" "inspect" "63fee1aa438c0dbfb156b53427cec2c7905e79c0af0089cb883a4eda6fc26102", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "63fee1aa438c0dbfb156b53427cec2c7905e79c0af0089cb883a4eda6fc26102", kill_on_drop: false }`
[INFO] [stdout] 63fee1aa438c0dbfb156b53427cec2c7905e79c0af0089cb883a4eda6fc26102
[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=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" "+dec9417b8611e34e787a3e4c37686b5131f9e5c5" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] fe427fb08d1e665d66d1176297c076c764dd0c0197da4f77a4bfa2c45cf5cb6e
[INFO] running `Command { std: "docker" "start" "-a" "fe427fb08d1e665d66d1176297c076c764dd0c0197da4f77a4bfa2c45cf5cb6e", kill_on_drop: false }`
[INFO] [stderr]    Compiling openvcs-core v0.1.8 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 2.30s
[INFO] running `Command { std: "docker" "inspect" "fe427fb08d1e665d66d1176297c076c764dd0c0197da4f77a4bfa2c45cf5cb6e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fe427fb08d1e665d66d1176297c076c764dd0c0197da4f77a4bfa2c45cf5cb6e", kill_on_drop: false }`
[INFO] [stdout] fe427fb08d1e665d66d1176297c076c764dd0c0197da4f77a4bfa2c45cf5cb6e
[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=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" "+dec9417b8611e34e787a3e4c37686b5131f9e5c5" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 3d84a061afcefa79f555112a83dcb56a0ca16f1600ed44346d7c90609f940613
[INFO] running `Command { std: "docker" "start" "-a" "3d84a061afcefa79f555112a83dcb56a0ca16f1600ed44346d7c90609f940613", 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/openvcs_core-a2acf252df131353)
[INFO] [stdout] 
[INFO] [stdout] running 26 tests
[INFO] [stdout] test backend_id::tests::from_string_and_str_produce_expected_values ... ok
[INFO] [stdout] test backend_id::tests::serde_deserialises_from_json_string ... ok
[INFO] [stdout] test models::tests::branch_kind_roundtrips_via_json ... ok
[INFO] [stdout] test models::tests::conflict_side_serializes_as_kebab_case_strings ... ok
[INFO] [stdout] test models::tests::file_entry_deserializes_optional_fields_with_defaults ... ok
[INFO] [stdout] test models::tests::log_query_head_sets_limit_and_defaults_rest ... ok
[INFO] [stdout] test models::tests::status_summary_default_is_zeroed ... ok
[INFO] [stdout] test models::tests::vcs_event_roundtrips_via_json ... ok
[INFO] [stdout] test backend_id::tests::displays_inner_string ... ok
[INFO] [stdout] test plugin_protocol::tests::plugin_message_deserializes_event_variant ... ok
[INFO] [stdout] test backend_id::tests::macro_creates_borrowed_backend_id ... ok
[INFO] [stdout] test plugin_runtime::tests::dispatch_registered_event_dispatch_invokes_handlers ... ok
[INFO] [stdout] test plugin_runtime::tests::dispatch_registered_event_dispatch_propagates_handler_error ... ok
[INFO] [stdout] test plugin_protocol::tests::rpc_response_skips_optional_error_fields_when_none ... ok
[INFO] [stdout] test plugin_runtime::tests::dispatch_registered_returns_unknown_method_error_when_unhandled ... ok
[INFO] [stdout] test plugin_runtime::tests::dispatch_registered_routes_to_rpc_handler ... ok
[INFO] [stdout] test plugin_protocol::tests::rpc_response_fields_default_when_missing ... ok
[INFO] [stdout] test plugin_runtime::tests::dispatch_registered_uses_fallback_when_no_handler ... ok
[INFO] [stdout] test plugin_stdio::tests::call_host_returns_ok_and_queues_incoming_requests ... ok
[INFO] [stdout] test plugin_stdio::tests::parse_json_params_errors_are_prefixed ... ok
[INFO] [stdout] test plugin_stdio::tests::plugin_error_builders_set_fields ... ok
[INFO] [stdout] test tests::log_macros_are_callable ... ok
[INFO] [stdout] test plugin_stdio::tests::receive_request_ignores_non_request_messages ... ok
[INFO] [stdout] test plugin_stdio::tests::receive_message_skips_blank_and_invalid_lines ... ok
[INFO] [stdout] test plugin_stdio::tests::write_message_writes_one_json_line ... ok
[INFO] [stdout] test plugin_protocol::tests::rpc_request_params_defaults_to_null ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 26 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.12s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests openvcs_core
[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" "3d84a061afcefa79f555112a83dcb56a0ca16f1600ed44346d7c90609f940613", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3d84a061afcefa79f555112a83dcb56a0ca16f1600ed44346d7c90609f940613", kill_on_drop: false }`
[INFO] [stdout] 3d84a061afcefa79f555112a83dcb56a0ca16f1600ed44346d7c90609f940613