[INFO] fetching crate tarn-mcp 0.14.1...
[INFO] testing tarn-mcp-0.14.1 against 1.100.0-beta.1 for beta-1.100-2
[INFO] extracting crate tarn-mcp 0.14.1 into /workspace/builds/worker-0-tc2/source
[INFO] started tweaking crates.io crate tarn-mcp 0.14.1
[INFO] removed 0 missing tests
[INFO] finished tweaking crates.io crate tarn-mcp 0.14.1
[INFO] tweaked toml for crates.io crate tarn-mcp 0.14.1 written to /workspace/builds/worker-0-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate tarn-mcp 0.14.1 on toolchain 1.100.0-beta.1
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.100.0-beta.1" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate tarn-mcp 0.14.1 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" "+1.100.0-beta.1" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,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" "-m" "1610612736" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:3111399a4047eeb3a02b7a90e478d715f38a8c6669b5c4b49d30a17385265909" "sleep" "infinity", kill_on_drop: false }`
[INFO] [stdout] f8ef35f80bfd500016dab9ca98618b788dd6d56b937fb9bdfcd3ec45ed1bac5b
[INFO] running `Command { std: "docker" "start" "f8ef35f80bfd500016dab9ca98618b788dd6d56b937fb9bdfcd3ec45ed1bac5b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "f8ef35f80bfd500016dab9ca98618b788dd6d56b937fb9bdfcd3ec45ed1bac5b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-w" "/opt/rustwide/workdir" "--user" "0:0" "f8ef35f80bfd500016dab9ca98618b788dd6d56b937fb9bdfcd3ec45ed1bac5b" "/opt/rustwide/cargo-home/bin/cargo" "+1.100.0-beta.1" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "f8ef35f80bfd500016dab9ca98618b788dd6d56b937fb9bdfcd3ec45ed1bac5b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-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" "-w" "/opt/rustwide/workdir" "--user" "0:0" "f8ef35f80bfd500016dab9ca98618b788dd6d56b937fb9bdfcd3ec45ed1bac5b" "/opt/rustwide/cargo-home/bin/cargo" "+1.100.0-beta.1" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr]    Compiling cc v1.2.58
[INFO] [stderr]    Compiling rustix v1.1.4
[INFO] [stderr]    Compiling mio v1.2.0
[INFO] [stderr]    Compiling serde v1.0.228
[INFO] [stderr]    Compiling typenum v1.19.0
[INFO] [stderr]    Compiling zerocopy v0.8.47
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[INFO] [stderr]    Compiling futures-util v0.3.32
[INFO] [stderr]    Compiling foldhash v0.2.0
[INFO] [stderr]    Compiling hashbrown v0.16.1
[INFO] [stderr]    Compiling tokio v1.50.0
[INFO] [stderr]    Compiling serde_json v1.0.149
[INFO] [stderr]    Compiling lua-src v547.0.0
[INFO] [stderr]    Compiling hybrid-array v0.4.10
[INFO] [stderr]    Compiling getrandom v0.3.4
[INFO] [stderr]    Compiling thiserror-impl v2.0.18
[INFO] [stderr]    Compiling ring v0.17.14
[INFO] [stderr]    Compiling typeid v1.0.3
[INFO] [stderr]    Compiling unicase v2.9.0
[INFO] [stderr]    Compiling mime_guess v2.0.5
[INFO] [stderr]    Compiling rand_core v0.9.5
[INFO] [stderr]    Compiling aho-corasick v1.1.4
[INFO] [stderr]    Compiling regex-syntax v0.8.10
[INFO] [stderr]    Compiling which v7.0.3
[INFO] [stderr]    Compiling luajit-src v210.5.12+a4f56a4
[INFO] [stderr]    Compiling thiserror v2.0.18
[INFO] [stderr]    Compiling erased-serde v0.4.10
[INFO] [stderr]    Compiling mlua-sys v0.6.8
[INFO] [stderr]    Compiling inventory v0.3.22
[INFO] [stderr]    Compiling clap_derive v4.6.0
[INFO] [stderr]    Compiling serde_json_path_core v0.2.2
[INFO] [stderr]    Compiling lock_api v0.4.14
[INFO] [stderr]    Compiling crypto-common v0.2.1
[INFO] [stderr]    Compiling rustls v0.23.37
[INFO] [stderr]    Compiling regex-automata v0.4.14
[INFO] [stderr]    Compiling block-buffer v0.12.0
[INFO] [stderr]    Compiling ppv-lite86 v0.2.21
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[INFO] [stderr]    Compiling rustls-webpki v0.103.13
[INFO] [stderr]    Compiling ordered-float v2.10.1
[INFO] [stderr]    Compiling webpki-roots v1.0.5
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[INFO] [stderr]    Compiling hyper-util v0.1.20
[INFO] [stderr]    Compiling inotify-sys v0.1.5
[INFO] [stderr]    Compiling filetime v0.2.27
[INFO] [stderr]    Compiling instant v0.1.13
[INFO] [stderr]    Compiling iri-string v0.7.11
[INFO] [stderr]    Compiling const-oid v0.10.2
[INFO] [stderr]    Compiling bitflags v1.3.2
[INFO] [stderr]    Compiling inotify v0.10.2
[INFO] [stderr]    Compiling regex v1.12.3
[INFO] [stderr]    Compiling digest v0.11.2
[INFO] [stderr]    Compiling indexmap v2.13.0
[INFO] [stderr]    Compiling nom v7.1.3
[INFO] [stderr]    Compiling notify-types v1.0.1
[INFO] [stderr]    Compiling serde_json_path_macros v0.1.6
[INFO] [stderr]    Compiling serde-value v0.7.0
[INFO] [stderr]    Compiling rand v0.9.3
[INFO] [stderr]    Compiling tower-http v0.6.8
[INFO] [stderr]    Compiling clap v4.6.0
[INFO] [stderr]    Compiling parking_lot v0.12.5
[INFO] [stderr]    Compiling getrandom v0.4.2
[INFO] [stderr]    Compiling serde_urlencoded v0.7.1
[INFO] [stderr]    Compiling xattr v1.6.1
[INFO] [stderr]    Compiling hashlink v0.11.0
[INFO] [stderr]    Compiling bstr v1.12.1
[INFO] [stderr]    Compiling rustc-hash v2.1.1
[INFO] [stderr]    Compiling deunicode v1.6.2
[INFO] [stderr]    Compiling unsafe-libyaml v0.2.11
[INFO] [stderr]    Compiling arraydeque v0.5.1
[INFO] [stderr]    Compiling chrono v0.4.44
[INFO] [stderr]    Compiling yaml-rust2 v0.11.0
[INFO] [stderr]    Compiling serde_json_path v0.7.2
[INFO] [stderr]    Compiling fake v4.4.0
[INFO] [stderr]    Compiling sha2 v0.11.0
[INFO] [stderr]    Compiling serde_yaml v0.9.34+deprecated
[INFO] [stderr]    Compiling tar v0.4.45
[INFO] [stderr]    Compiling tokio-rustls v0.26.4
[INFO] [stderr]    Compiling uuid v1.23.0
[INFO] [stderr]    Compiling rayon v1.11.0
[INFO] [stderr]    Compiling hyper-rustls v0.27.7
[INFO] [stderr]    Compiling clap_complete v4.6.0
[INFO] [stderr]    Compiling reqwest v0.12.28
[INFO] [stderr]    Compiling notify v7.0.0
[INFO] [stderr]    Compiling similar v2.7.0
[INFO] [stderr]    Compiling md5 v0.8.0
[INFO] [stderr]    Compiling colored v3.1.1
[INFO] [stderr]    Compiling mlua v0.10.5
[INFO] [stderr]    Compiling tarn v0.14.1
[INFO] [stderr]    Compiling tarn-mcp v0.14.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 2m 15s
[INFO] running `Command { std: "docker" "inspect" "f8ef35f80bfd500016dab9ca98618b788dd6d56b937fb9bdfcd3ec45ed1bac5b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-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" "-w" "/opt/rustwide/workdir" "--user" "0:0" "f8ef35f80bfd500016dab9ca98618b788dd6d56b937fb9bdfcd3ec45ed1bac5b" "/opt/rustwide/cargo-home/bin/cargo" "+1.100.0-beta.1" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr]    Compiling rustix v1.1.4
[INFO] [stderr]    Compiling which v7.0.3
[INFO] [stderr]    Compiling luajit-src v210.5.12+a4f56a4
[INFO] [stderr]    Compiling mlua-sys v0.6.8
[INFO] [stderr]    Compiling xattr v1.6.1
[INFO] [stderr]    Compiling tempfile v3.27.0
[INFO] [stderr]    Compiling tar v0.4.45
[INFO] [stderr]    Compiling mlua v0.10.5
[INFO] [stderr]    Compiling tarn v0.14.1
[INFO] [stderr]    Compiling tarn-mcp v0.14.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 53.99s
[INFO] running `Command { std: "docker" "inspect" "f8ef35f80bfd500016dab9ca98618b788dd6d56b937fb9bdfcd3ec45ed1bac5b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-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" "-w" "/opt/rustwide/workdir" "--user" "0:0" "f8ef35f80bfd500016dab9ca98618b788dd6d56b937fb9bdfcd3ec45ed1bac5b" "/opt/rustwide/cargo-home/bin/cargo" "+1.100.0-beta.1" "test" "--frozen", kill_on_drop: false }`
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.45s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/build/tarn-mcp/67500c8c5621a9a6/out/tarn_mcp-67500c8c5621a9a6)
[INFO] [stdout] 
[INFO] [stdout] running 30 tests
[INFO] [stdout] test protocol::tests::path_from_uri_or_path_handles_file_scheme_with_authority ... ok
[INFO] [stdout] test protocol::tests::path_from_uri_or_path_handles_bare_path ... ok
[INFO] [stdout] test protocol::tests::path_from_uri_or_path_rejects_empty ... ok
[INFO] [stdout] test protocol::tests::workspace_root_from_params_reads_workspace_folders_first ... ok
[INFO] [stdout] test protocol::tests::workspace_root_from_params_returns_none_without_hints ... ok
[INFO] [stdout] test protocol::tests::workspace_root_from_params_skips_empty_values ... ok
[INFO] [stdout] test protocol::tests::workspace_root_from_params_falls_back_to_root_uri ... ok
[INFO] [stdout] test tools::tests::artifact_paths_carries_all_expected_fields ... ok
[INFO] [stdout] test protocol::tests::workspace_root_from_params_falls_back_to_root_path ... ok
[INFO] [stdout] test tools::tests::parse_string_array_rejects_non_string_elements ... ok
[INFO] [stdout] test tools::tests::report_mode_parses_known_values ... ok
[INFO] [stdout] test tools::tests::require_config_for_explicit_cwd_ok_when_present ... ok
[INFO] [stdout] test tools::tests::require_config_for_explicit_cwd_skips_check_when_default ... ok
[INFO] [stdout] test tools::tests::resolve_cwd_accepts_explicit_existing_absolute_dir ... ok
[INFO] [stdout] test protocol::tests::path_from_uri_or_path_handles_file_scheme_without_authority ... ok
[INFO] [stdout] test tools::tests::resolve_cwd_defaults_to_process_cwd_when_absent ... ok
[INFO] [stdout] test tools::tests::report_mode_rejects_unknown ... ok
[INFO] [stdout] test tools::tests::resolve_cwd_rejects_non_string ... ok
[INFO] [stdout] test tools::tests::resolve_cwd_rejects_relative_path ... ok
[INFO] [stdout] test tools::tests::resolve_path_against_cwd_joins_relative ... ok
[INFO] [stdout] test tools::tests::require_config_for_explicit_cwd_errors_when_missing ... ok
[INFO] [stdout] test tools::tests::resolve_path_against_cwd_preserves_absolute ... ok
[INFO] [stdout] test tools::tests::resolve_cwd_rejects_missing_directory ... ok
[INFO] [stdout] test protocol::tests::tools_list_matches_golden_contract ... ok
[INFO] [stdout] test tools::tests::tarn_scaffold_rejects_missing_mode ... ok
[INFO] [stdout] test tools::tests::tarn_scaffold_rejects_multiple_mode_payloads ... ok
[INFO] [stdout] test tools::tests::tarn_scaffold_rejects_unknown_mode ... ok
[INFO] [stdout] test tools::tests::tarn_fix_plan_matches_golden_contract ... ok
[INFO] [stdout] test tools::tests::tarn_impact_rejects_no_inputs_with_hint ... ok
[INFO] [stdout] test tools::tests::tool_error_to_tool_call_json_carries_triple ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 30 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.02s
[INFO] [stdout] 
[INFO] [stderr]      Running unittests src/main.rs (/opt/rustwide/target/debug/build/tarn-mcp/201254710758d886/out/tarn_mcp-201254710758d886)
[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] [stderr]      Running tests/artifact_tools_test.rs (/opt/rustwide/target/debug/build/tarn-mcp/cf9d7abdbfc906c5/out/artifact_tools_test-cf9d7abdbfc906c5)
[INFO] [stdout] 
[INFO] [stdout] running 11 tests
[INFO] [stdout] test malformed_cwd_returns_structured_error_payload ... ok
[INFO] [stdout] test tarn_inspect_returns_run_level_view_by_default ... ok
[INFO] [stdout] test tarn_last_failures_returns_empty_groups_on_clean_run ... ok
[INFO] [stdout] test tarn_run_rejects_unknown_report_mode ... ok
[INFO] [stdout] test env_resolution_parity_between_process_cwd_and_explicit_cwd ... ok
[INFO] [stdout] test tarn_get_run_artifacts_resolves_last_alias_and_explicit_id ... ok
[INFO] [stdout] test tarn_last_failures_groups_failures_on_failing_run ... ok
[INFO] [stdout] test tarn_report_reads_concise_envelope_from_disk ... ok
[INFO] [stdout] test tarn_rerun_failed_errors_when_no_failures_on_record ... ok
[INFO] [stdout] test tarn_rerun_failed_produces_new_run_id_and_fresh_artifacts ... ok
[INFO] [stdout] test tarn_run_agent_mode_is_default_and_returns_agent_schema ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 11 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.26s
[INFO] [stdout] 
[INFO] [stderr]      Running tests/cwd_integration_test.rs (/opt/rustwide/target/debug/build/tarn-mcp/de2ff41287ee2dcd/out/cwd_integration_test-de2ff41287ee2dcd)
[INFO] [stdout] 
[INFO] [stdout] running 5 tests
[INFO] [stdout] test tarn_run_rejects_relative_cwd ... ok
[INFO] [stdout] test tarn_run_rejects_nonexistent_cwd ... ok
[INFO] [stdout] test tarn_run_uses_explicit_cwd_for_config_and_env ... ok
[INFO] [stdout] test tarn_run_errors_when_explicit_cwd_lacks_tarn_config ... ok
[INFO] [stdout] test tarn_run_defaults_to_process_cwd_when_cwd_omitted ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 5 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.03s
[INFO] [stdout] 
[INFO] [stderr]      Running tests/high_level_tools_test.rs (/opt/rustwide/target/debug/build/tarn-mcp/a00cfe55a1fbb0c0/out/high_level_tools_test-a00cfe55a1fbb0c0)
[INFO] [stdout] 
[INFO] [stdout] running 10 tests
[INFO] [stdout] test tarn_impact_endpoint_match_is_high_confidence ... ok
[INFO] [stdout] test tarn_last_root_causes_groups_fingerprinted_failures ... ok
[INFO] [stdout] test tarn_run_merges_project_cacert_into_runtime ... ok
[INFO] [stdout] test tarn_pack_context_json_bundle_has_failing_yaml_snippet ... ok
[INFO] [stdout] test tarn_last_root_causes_returns_empty_on_passing_run ... ok
[INFO] [stdout] test tarn_run_agent_returns_agent_report_with_artifacts ... ok
[INFO] [stdout] test tarn_pack_context_markdown_format_returns_string_body ... ok
[INFO] [stdout] test tarn_impact_missing_inputs_returns_structured_error ... ok
[INFO] [stdout] test tarn_scaffold_explicit_writes_parseable_yaml ... ok
[INFO] [stdout] test tarn_scaffold_missing_mode_errors ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 10 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.09s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests tarn_mcp
[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" "f8ef35f80bfd500016dab9ca98618b788dd6d56b937fb9bdfcd3ec45ed1bac5b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f8ef35f80bfd500016dab9ca98618b788dd6d56b937fb9bdfcd3ec45ed1bac5b", kill_on_drop: false }`
[INFO] [stdout] f8ef35f80bfd500016dab9ca98618b788dd6d56b937fb9bdfcd3ec45ed1bac5b
