[INFO] fetching crate xurl-cli 0.0.27... [INFO] testing xurl-cli-0.0.27 against try#dec9417b8611e34e787a3e4c37686b5131f9e5c5 for pr-154210-1 [INFO] extracting crate xurl-cli 0.0.27 into /workspace/builds/worker-1-tc2/source [INFO] started tweaking crates.io crate xurl-cli 0.0.27 [INFO] removed 0 missing tests [INFO] finished tweaking crates.io crate xurl-cli 0.0.27 [INFO] tweaked toml for crates.io crate xurl-cli 0.0.27 written to /workspace/builds/worker-1-tc2/source/Cargo.toml [INFO] validating manifest of crates.io crate xurl-cli 0.0.27 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 xurl-cli 0.0.27 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] [stderr] Blocking waiting for file lock on package cache [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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] a8696eecc7d281a7590863036ce2c8a44021333db559d118ebd413d5ff0677cb [INFO] running `Command { std: "docker" "start" "-a" "a8696eecc7d281a7590863036ce2c8a44021333db559d118ebd413d5ff0677cb", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "a8696eecc7d281a7590863036ce2c8a44021333db559d118ebd413d5ff0677cb", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "a8696eecc7d281a7590863036ce2c8a44021333db559d118ebd413d5ff0677cb", kill_on_drop: false }` [INFO] [stdout] a8696eecc7d281a7590863036ce2c8a44021333db559d118ebd413d5ff0677cb [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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] 414cf707ed123be8b8d037d5ac978e50cb6d1de01cd5693717dea966a1a62ad4 [INFO] running `Command { std: "docker" "start" "-a" "414cf707ed123be8b8d037d5ac978e50cb6d1de01cd5693717dea966a1a62ad4", kill_on_drop: false }` [INFO] [stderr] Compiling memchr v2.8.0 [INFO] [stderr] Compiling regex-syntax v0.8.10 [INFO] [stderr] Compiling libc v0.2.183 [INFO] [stderr] Compiling cc v1.2.57 [INFO] [stderr] Compiling encoding_rs v0.8.35 [INFO] [stderr] Compiling serde v1.0.228 [INFO] [stderr] Compiling vcpkg v0.2.15 [INFO] [stderr] Compiling utf8parse v0.2.2 [INFO] [stderr] Compiling zmij v1.0.21 [INFO] [stderr] Compiling anstyle-query v1.1.5 [INFO] [stderr] Compiling hashbrown v0.15.5 [INFO] [stderr] Compiling colorchoice v1.0.5 [INFO] [stderr] Compiling thiserror v2.0.18 [INFO] [stderr] Compiling is_terminal_polyfill v1.70.2 [INFO] [stderr] Compiling syn v2.0.117 [INFO] [stderr] Compiling option-ext v0.2.0 [INFO] [stderr] Compiling anstyle-parse v1.0.0 [INFO] [stderr] Compiling winnow v1.0.0 [INFO] [stderr] Compiling anstyle v1.0.14 [INFO] [stderr] Compiling digest v0.10.7 [INFO] [stderr] Compiling serde_spanned v1.1.0 [INFO] [stderr] Compiling toml_datetime v0.7.5+spec-1.1.0 [INFO] [stderr] Compiling winnow v0.7.15 [INFO] [stderr] Compiling strsim v0.11.1 [INFO] [stderr] Compiling anstream v1.0.0 [INFO] [stderr] Compiling fallible-iterator v0.3.0 [INFO] [stderr] Compiling toml_parser v1.1.0+spec-1.1.0 [INFO] [stderr] Compiling bitflags v2.11.0 [INFO] [stderr] Compiling fallible-streaming-iterator v0.1.9 [INFO] [stderr] Compiling same-file v1.0.6 [INFO] [stderr] Compiling aho-corasick v1.1.4 [INFO] [stderr] Compiling grep-matcher v0.1.8 [INFO] [stderr] Compiling serde_json v1.0.149 [INFO] [stderr] Compiling hashlink v0.10.0 [INFO] [stderr] Compiling toml_writer v1.1.0+spec-1.1.0 [INFO] [stderr] Compiling clap_lex v1.1.0 [INFO] [stderr] Compiling encoding_rs_io v0.1.7 [INFO] [stderr] Compiling walkdir v2.5.0 [INFO] [stderr] Compiling clap_builder v4.6.0 [INFO] [stderr] Compiling md-5 v0.10.6 [INFO] [stderr] Compiling libsqlite3-sys v0.35.0 [INFO] [stderr] Compiling regex-automata v0.4.14 [INFO] [stderr] Compiling memmap2 v0.9.10 [INFO] [stderr] Compiling dirs-sys v0.5.0 [INFO] [stderr] Compiling dirs v6.0.0 [INFO] [stderr] Compiling toml v0.9.12+spec-1.1.0 [INFO] [stderr] Compiling serde_derive v1.0.228 [INFO] [stderr] Compiling thiserror-impl v2.0.18 [INFO] [stderr] Compiling clap_derive v4.6.0 [INFO] [stderr] Compiling clap v4.6.0 [INFO] [stderr] Compiling bstr v1.12.1 [INFO] [stderr] Compiling regex v1.12.3 [INFO] [stderr] Compiling globset v0.4.18 [INFO] [stderr] Compiling grep-searcher v0.1.16 [INFO] [stderr] Compiling grep-regex v0.1.14 [INFO] [stderr] Compiling grep-cli v0.1.12 [INFO] [stderr] Compiling grep-printer v0.3.1 [INFO] [stderr] Compiling grep v0.4.1 [INFO] [stderr] Compiling rusqlite v0.37.0 [INFO] [stderr] Compiling xurl-core v0.0.27 [INFO] [stderr] Compiling xurl-cli v0.0.27 (/opt/rustwide/workdir) [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 34.85s [INFO] running `Command { std: "docker" "inspect" "414cf707ed123be8b8d037d5ac978e50cb6d1de01cd5693717dea966a1a62ad4", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "414cf707ed123be8b8d037d5ac978e50cb6d1de01cd5693717dea966a1a62ad4", kill_on_drop: false }` [INFO] [stdout] 414cf707ed123be8b8d037d5ac978e50cb6d1de01cd5693717dea966a1a62ad4 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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] f11d63f10fbf9a80829ae46cc8ab047eb462d15b09bc43c4f3f86c1fb86f7b8a [INFO] running `Command { std: "docker" "start" "-a" "f11d63f10fbf9a80829ae46cc8ab047eb462d15b09bc43c4f3f86c1fb86f7b8a", kill_on_drop: false }` [INFO] [stderr] Compiling predicates-core v1.0.10 [INFO] [stderr] Compiling rusqlite v0.37.0 [INFO] [stderr] Compiling float-cmp v0.10.0 [INFO] [stderr] Compiling assert_cmd v2.2.0 [INFO] [stderr] Compiling termtree v0.5.1 [INFO] [stderr] Compiling difflib v0.4.0 [INFO] [stderr] Compiling normalize-line-endings v0.3.0 [INFO] [stderr] Compiling getrandom v0.4.2 [INFO] [stderr] Compiling wait-timeout v0.2.1 [INFO] [stderr] Compiling fastrand v2.3.0 [INFO] [stderr] Compiling predicates v3.1.4 [INFO] [stderr] Compiling predicates-tree v1.0.13 [INFO] [stderr] Compiling tempfile v3.27.0 [INFO] [stderr] Compiling xurl-core v0.0.27 [INFO] [stderr] Compiling xurl-cli v0.0.27 (/opt/rustwide/workdir) [INFO] [stderr] Finished `test` profile [unoptimized + debuginfo] target(s) in 10.77s [INFO] running `Command { std: "docker" "inspect" "f11d63f10fbf9a80829ae46cc8ab047eb462d15b09bc43c4f3f86c1fb86f7b8a", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "f11d63f10fbf9a80829ae46cc8ab047eb462d15b09bc43c4f3f86c1fb86f7b8a", kill_on_drop: false }` [INFO] [stdout] f11d63f10fbf9a80829ae46cc8ab047eb462d15b09bc43c4f3f86c1fb86f7b8a [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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] c931366cbb796c00a6af05938433e7cc50862e999d4216fb68c6f3627887fff3 [INFO] running `Command { std: "docker" "start" "-a" "c931366cbb796c00a6af05938433e7cc50862e999d4216fb68c6f3627887fff3", kill_on_drop: false }` [INFO] [stderr] Finished `test` profile [unoptimized + debuginfo] target(s) in 0.15s [INFO] [stderr] Running unittests src/main.rs (/opt/rustwide/target/debug/deps/xurl-16b71012fed8a08c) [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] [stdout] [INFO] [stderr] Running tests/cli.rs (/opt/rustwide/target/debug/deps/cli-b98910d3a35965c2) [INFO] [stdout] running 103 tests [INFO] [stdout] test agents_uri_outputs_markdown ... ok [INFO] [stdout] test claude_collection_query_outputs_markdown ... ok [INFO] [stdout] test amp_subagent_head_outputs_header_only ... ok [INFO] [stdout] test agents_codex_subagent_outputs_markdown_view ... ok [INFO] [stdout] test codex_collection_query_head_outputs_frontmatter_with_thread_metadata ... ok [INFO] [stdout] test claude_subagent_outputs_markdown_view ... ok [INFO] [stdout] test codex_deeplink_outputs_markdown ... ok [INFO] [stdout] test codex_collection_query_outputs_markdown ... ok [INFO] [stdout] test amp_collection_query_outputs_markdown ... ok [INFO] [stdout] test amp_path_query_outputs_markdown ... ok [INFO] [stdout] test amp_subagent_outputs_markdown_view ... ok [INFO] [stdout] test amp_outputs_markdown ... ok [INFO] [stdout] test codex_real_fixture_head_includes_thread_metadata ... ok [INFO] [stdout] test claude_real_fixture_subagent_detail_outputs_markdown ... ok [INFO] [stdout] test amp_head_outputs_subagent_index ... ok [INFO] [stdout] test claude_real_fixture_head_includes_subagents ... ok [INFO] [stdout] test agents_codex_deeplink_outputs_markdown ... ok [INFO] [stdout] test claude_real_fixture_subagent_head_includes_thread_metadata ... ok [INFO] [stdout] test codex_outputs_no_warning_text_for_markdown ... ok [INFO] [stdout] test collection_query_not_found_outputs_empty_list ... ok [INFO] [stdout] test copilot_query_returns_fixture_thread ... ok [INFO] [stdout] test codex_path_query_outputs_markdown ... ok [INFO] [stdout] test claude_path_query_outputs_markdown ... ok [INFO] [stdout] test copilot_real_fixture_outputs_markdown ... ok [INFO] [stdout] test codex_real_fixture_subagent_detail_outputs_markdown ... ok [INFO] [stdout] test default_outputs_markdown ... ok [INFO] [stdout] test gemini_missing_subagent_outputs_not_found_markdown ... ok [INFO] [stdout] test cursor_real_fixture_outputs_markdown_without_reasoning ... ok [INFO] [stdout] test cursor_query_matches_visible_text_but_not_reasoning ... ok [INFO] [stdout] test gemini_head_outputs_subagent_discovery ... ok [INFO] [stdout] test gemini_head_outputs_subagent_discovery_from_ndjson_logs ... ok [INFO] [stdout] test gemini_outputs_markdown ... ok [INFO] [stdout] test gemini_subagent_outputs_markdown_view ... ok [INFO] [stdout] test codex_subagent_head_outputs_header_only ... ok [INFO] [stdout] test gemini_collection_query_outputs_markdown ... ok [INFO] [stdout] test list_flag_is_rejected ... ok [INFO] [stdout] test missing_thread_returns_non_zero ... ok [INFO] [stdout] test head_flag_outputs_frontmatter_only ... ok [INFO] [stdout] test opencode_real_fixture_outputs_markdown ... ok [INFO] [stdout] test gemini_path_query_outputs_markdown ... ok [INFO] [stdout] test copilot_child_uri_is_rejected_until_subagent_support_exists ... ok [INFO] [stdout] test amp_head_discovery_supports_missing_role_fallback ... ok [INFO] [stdout] test codex_subagent_outputs_no_warning_text_for_markdown ... ok [INFO] [stdout] test output_flag_returns_error_when_parent_directory_missing ... ok [INFO] [stdout] test codex_subagent_outputs_markdown_view ... ok [INFO] [stdout] test copilot_real_fixture_head_includes_thread_metadata ... ok [INFO] [stdout] test cursor_path_query_uses_workspace_scope ... ok [INFO] [stdout] test output_flag_writes_markdown_to_file ... ok [INFO] [stdout] test pi_entry_outputs_markdown_from_requested_leaf ... ok [INFO] [stdout] test codex_real_fixture_head_includes_subagents ... ok [INFO] [stdout] test pi_head_entry_outputs_header_only ... ok [INFO] [stdout] test cursor_real_fixture_head_includes_thread_metadata ... ok [INFO] [stdout] test pi_child_session_head_outputs_subagent_detail ... ok [INFO] [stdout] test pi_collection_query_outputs_markdown ... ok [INFO] [stdout] test pi_head_outputs_entries_and_child_sessions ... ok [INFO] [stdout] test path_query_home_shorthand_outputs_canonical_uri ... ok [INFO] [stdout] test raw_flag_is_rejected ... ok [INFO] [stdout] test pi_path_query_outputs_markdown ... ok [INFO] [stdout] test path_query_current_dir_shorthand_outputs_canonical_uri ... ok [INFO] [stdout] test role_query_outputs_markdown ... ok [INFO] [stdout] test shorthand_collection_query_outputs_markdown ... ok [INFO] [stdout] test pi_real_fixture_outputs_markdown ... ok [INFO] [stdout] test skills_scheme_is_rejected ... ok [INFO] [stdout] test pi_missing_child_session_head_reports_not_found_with_evidence ... ok [INFO] [stdout] test shorthand_role_query_outputs_markdown ... ok [INFO] [stdout] test write_amp_role_uri_is_rejected_with_clear_error ... ok [INFO] [stdout] test pi_child_session_outputs_subagent_markdown_view ... ok [INFO] [stdout] test pi_head_outputs_entries ... ok [INFO] [stdout] test pi_outputs_markdown_from_latest_leaf ... ok [INFO] [stdout] test shorthand_uri_outputs_markdown ... ok [INFO] [stdout] test gemini_real_fixture_outputs_markdown ... ok [INFO] [stdout] test write_copilot_role_uri_sets_agent_flag ... ok [INFO] [stdout] test write_amp_passthroughs_workdir_and_add_dir_query_parameters ... ok [INFO] [stdout] test opencode_collection_query_outputs_markdown ... ok [INFO] [stdout] test opencode_path_query_outputs_markdown ... ok [INFO] [stdout] test write_append_uses_resume_and_prints_updated_uri ... ok [INFO] [stdout] test opencode_subagent_not_found_outputs_markdown_view ... ok [INFO] [stdout] test opencode_subagent_head_includes_subagents_and_warnings ... ok [INFO] [stdout] test write_claude_create_stream_json_path_works ... ok [INFO] [stdout] test write_create_supports_shorthand_collection_uri ... ok [INFO] [stdout] test opencode_subagent_outputs_markdown_view ... ok [INFO] [stdout] test write_create_passthroughs_all_query_options_without_normalization ... ok [INFO] [stdout] test write_cursor_role_uri_is_rejected_with_clear_error ... ok [INFO] [stdout] test write_cursor_append_uses_resume ... ok [INFO] [stdout] test write_command_not_found_has_hint ... ok [INFO] [stdout] test write_create_with_codex_role_loads_role_config ... ok [INFO] [stdout] test write_cursor_create_stream_json_path_works ... ok [INFO] [stdout] test write_create_streams_output_and_prints_uri ... ok [INFO] [stdout] test write_output_flag_writes_assistant_text_to_file ... ok [INFO] [stdout] test write_data_file_and_stdin_are_supported ... ok [INFO] [stdout] test write_gemini_role_uri_is_rejected_with_clear_error ... ok [INFO] [stdout] test write_pi_create_stream_json_path_works ... ok [INFO] [stdout] test unsupported_global_query_form_returns_error ... ok [INFO] [stdout] test write_pi_role_uri_is_rejected_with_clear_error ... ok [INFO] [stdout] test write_copilot_create_stream_json_path_works ... ok [INFO] [stdout] test write_opencode_role_uri_sets_agent_flag ... ok [INFO] [stdout] test write_rejects_head_mode_and_child_uri ... ok [INFO] [stdout] test write_append_passthroughs_query_options ... ok [INFO] [stdout] test pi_real_fixture_head_includes_thread_metadata ... ok [INFO] [stdout] test write_gemini_create_tolerates_non_json_prefix ... ok [INFO] [stdout] test write_amp_create_stream_json_path_works ... ok [INFO] [stdout] test write_claude_role_uri_sets_agent_flag ... ok [INFO] [stdout] test write_opencode_create_tolerates_non_json_prefix ... ok [INFO] [stdout] [INFO] [stdout] test result: ok. 103 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.43s [INFO] [stdout] [INFO] running `Command { std: "docker" "inspect" "c931366cbb796c00a6af05938433e7cc50862e999d4216fb68c6f3627887fff3", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "c931366cbb796c00a6af05938433e7cc50862e999d4216fb68c6f3627887fff3", kill_on_drop: false }` [INFO] [stdout] c931366cbb796c00a6af05938433e7cc50862e999d4216fb68c6f3627887fff3