[INFO] fetching crate notation_audio 0.6.0... [INFO] testing notation_audio-0.6.0 against master#caccb4d0368bd918ef6668af8e13834d07040417 for pr-146098-1 [INFO] extracting crate notation_audio 0.6.0 into /workspace/builds/worker-6-tc1/source [INFO] started tweaking crates.io crate notation_audio 0.6.0 [INFO] finished tweaking crates.io crate notation_audio 0.6.0 [INFO] tweaked toml for crates.io crate notation_audio 0.6.0 written to /workspace/builds/worker-6-tc1/source/Cargo.toml [INFO] validating manifest of crates.io crate notation_audio 0.6.0 on toolchain caccb4d0368bd918ef6668af8e13834d07040417 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+caccb4d0368bd918ef6668af8e13834d07040417" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+caccb4d0368bd918ef6668af8e13834d07040417" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Updating crates.io index [INFO] [stderr] Locking 278 packages to latest compatible versions [INFO] [stderr] Adding bevy v0.13.2 (available: v0.17.1) [INFO] [stderr] Adding block-sys v0.1.0-beta.1 (available: v0.1.0-beta.2) [INFO] [stderr] Adding block2 v0.2.0-alpha.6 (available: v0.2.0) [INFO] [stderr] Adding objc-sys v0.2.0-beta.2 (available: v0.2.0-beta.3) [INFO] [stderr] Adding objc2 v0.3.0-beta.3.patch-leaks.3 (available: v0.3.0-beta.5) [INFO] [stderr] Adding objc2-encode v2.0.0-pre.2 (available: v2.0.0) [INFO] [stderr] Adding ringbuffer v0.15.0 (available: v0.16.0) [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+caccb4d0368bd918ef6668af8e13834d07040417" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Downloading crates ... [INFO] [stderr] Downloaded fixedbitset v0.4.2 [INFO] [stderr] Downloaded ringbuffer v0.15.0 [INFO] [stderr] Downloaded petgraph v0.6.5 [INFO] [stderr] Downloaded bevy_asset_macros v0.13.2 [INFO] [stderr] Downloaded bevy_hierarchy v0.13.2 [INFO] [stderr] Downloaded bevy_ptr v0.13.2 [INFO] [stderr] Downloaded async-broadcast v0.5.1 [INFO] [stderr] Downloaded objc2 v0.3.0-beta.3.patch-leaks.3 [INFO] [stderr] Downloaded rodio v0.17.3 [INFO] [stderr] Downloaded android-activity v0.5.2 [INFO] [stderr] Downloaded sysinfo v0.30.13 [INFO] [stderr] Downloaded winit v0.29.15 [INFO] [stderr] Downloaded glam v0.25.0 [INFO] [stderr] Downloaded objc2 v0.4.1 [INFO] [stderr] Downloaded bevy_ecs_macros v0.13.2 [INFO] [stderr] Downloaded bevy_a11y v0.13.2 [INFO] [stderr] Downloaded block2 v0.2.0-alpha.6 [INFO] [stderr] Downloaded accesskit_consumer v0.16.1 [INFO] [stderr] Downloaded async-fs v2.2.0 [INFO] [stderr] Downloaded accesskit_windows v0.15.1 [INFO] [stderr] Downloaded objc2-encode v2.0.0-pre.2 [INFO] [stderr] Downloaded block2 v0.3.0 [INFO] [stderr] Downloaded const-fnv1a-hash v1.1.0 [INFO] [stderr] Downloaded bevy_time v0.13.2 [INFO] [stderr] Downloaded bytemuck v1.23.2 [INFO] [stderr] Downloaded proc-macro-crate v3.4.0 [INFO] [stderr] Downloaded nu-ansi-term v0.50.1 [INFO] [stderr] Downloaded libloading v0.8.9 [INFO] [stderr] Downloaded toml_edit v0.21.1 [INFO] [stderr] Downloaded bevy_log v0.13.2 [INFO] [stderr] Downloaded bevy_input v0.13.2 [INFO] [stderr] Downloaded bevy_macro_utils v0.13.2 [INFO] [stderr] Downloaded bevy_utils v0.13.2 [INFO] [stderr] Downloaded tracing-wasm v0.2.1 [INFO] [stderr] Downloaded web-time v0.2.4 [INFO] [stderr] Downloaded windows-implement v0.48.0 [INFO] [stderr] Downloaded blake3 v1.8.2 [INFO] [stderr] Downloaded bevy_app v0.13.2 [INFO] [stderr] Downloaded async-executor v1.13.3 [INFO] [stderr] Downloaded bevy_math v0.13.2 [INFO] [stderr] Downloaded bevy_reflect_derive v0.13.2 [INFO] [stderr] Downloaded bevy_reflect v0.13.2 [INFO] [stderr] Downloaded calloop v0.12.4 [INFO] [stderr] Downloaded bevy_ecs v0.13.2 [INFO] [stderr] Downloaded bevy_winit v0.13.2 [INFO] [stderr] Downloaded ron v0.8.1 [INFO] [stderr] Downloaded bevy_asset v0.13.2 [INFO] [stderr] Downloaded bindgen v0.72.1 [INFO] [stderr] Downloaded coreaudio-sys v0.2.17 [INFO] [stderr] Downloaded toml_parser v1.0.3 [INFO] [stderr] Downloaded toml_edit v0.23.6 [INFO] [stderr] Downloaded tracing-subscriber v0.3.20 [INFO] [stderr] Downloaded bevy_derive v0.13.2 [INFO] [stderr] Downloaded event-listener v5.4.1 [INFO] [stderr] Downloaded bevy_utils_proc_macros v0.13.2 [INFO] [stderr] Downloaded bevy v0.13.2 [INFO] [stderr] Downloaded async-lock v3.4.1 [INFO] [stderr] Downloaded block-sys v0.1.0-beta.1 [INFO] [stderr] Downloaded objc-sys v0.2.0-beta.2 [INFO] [stderr] Downloaded accesskit_macos v0.10.1 [INFO] [stderr] Downloaded windows-interface v0.48.0 [INFO] [stderr] Downloaded block-sys v0.2.1 [INFO] [stderr] Downloaded constant_time_eq v0.3.1 [INFO] [stderr] Downloaded bevy_audio v0.13.2 [INFO] [stderr] Downloaded bevy_diagnostic v0.13.2 [INFO] [stderr] Downloaded android_log-sys v0.3.2 [INFO] [stderr] Downloaded bevy_transform v0.13.2 [INFO] [stderr] Downloaded erased-serde v0.4.8 [INFO] [stderr] Downloaded nonmax v0.5.5 [INFO] [stderr] Downloaded bevy_window v0.13.2 [INFO] [stderr] Downloaded bevy_internal v0.13.2 [INFO] [stderr] Downloaded accesskit_winit v0.17.0 [INFO] [stderr] Downloaded polling v3.11.0 [INFO] [stderr] Downloaded cfg_aliases v0.1.1 [INFO] [stderr] Downloaded objc2-encode v3.0.0 [INFO] [stderr] Downloaded mach2 v0.4.3 [INFO] [stderr] Downloaded toml_datetime v0.7.2 [INFO] [stderr] Downloaded bevy_core v0.13.2 [INFO] [stderr] Downloaded matchers v0.2.0 [INFO] [stderr] Downloaded accesskit v0.12.3 [INFO] [stderr] Downloaded futures-lite v2.6.1 [INFO] [stderr] Downloaded bevy_tasks v0.13.2 [INFO] [stderr] Downloaded icrate v0.0.4 [INFO] [stderr] Downloaded windows v0.52.0 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+caccb4d0368bd918ef6668af8e13834d07040417" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 92d7d945c83551690531510d3d46066c6a8780aaa9ca01432814a6a83c79f9d0 [INFO] running `Command { std: "docker" "start" "-a" "92d7d945c83551690531510d3d46066c6a8780aaa9ca01432814a6a83c79f9d0", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "92d7d945c83551690531510d3d46066c6a8780aaa9ca01432814a6a83c79f9d0", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "92d7d945c83551690531510d3d46066c6a8780aaa9ca01432814a6a83c79f9d0", kill_on_drop: false }` [INFO] [stdout] 92d7d945c83551690531510d3d46066c6a8780aaa9ca01432814a6a83c79f9d0 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+caccb4d0368bd918ef6668af8e13834d07040417" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] b2cc988c9342195edc93479c14cd6b915800c02577e4e9207bf2a730b6e4f3f9 [INFO] running `Command { std: "docker" "start" "-a" "b2cc988c9342195edc93479c14cd6b915800c02577e4e9207bf2a730b6e4f3f9", kill_on_drop: false }` [INFO] [stderr] Compiling serde_core v1.0.228 [INFO] [stderr] Compiling serde v1.0.228 [INFO] [stderr] Compiling getrandom v0.3.3 [INFO] [stderr] Compiling hashbrown v0.16.0 [INFO] [stderr] Compiling parking v2.2.1 [INFO] [stderr] Compiling toml_datetime v0.6.11 [INFO] [stderr] Compiling winnow v0.5.40 [INFO] [stderr] Compiling tracing-core v0.1.34 [INFO] [stderr] Compiling libc v0.2.176 [INFO] [stderr] Compiling futures-io v0.3.31 [INFO] [stderr] Compiling rustc-hash v1.1.0 [INFO] [stderr] Compiling ahash v0.8.12 [INFO] [stderr] Compiling syn v2.0.106 [INFO] [stderr] Compiling concurrent-queue v2.5.0 [INFO] [stderr] Compiling typeid v1.0.3 [INFO] [stderr] Compiling async-task v4.7.1 [INFO] [stderr] Compiling futures-lite v2.6.1 [INFO] [stderr] Compiling fixedbitset v0.4.2 [INFO] [stderr] Compiling bytemuck v1.23.2 [INFO] [stderr] Compiling erased-serde v0.4.8 [INFO] [stderr] Compiling web-time v0.2.4 [INFO] [stderr] Compiling event-listener v5.4.1 [INFO] [stderr] Compiling nonmax v0.5.5 [INFO] [stderr] Compiling thread_local v1.1.9 [INFO] [stderr] Compiling downcast-rs v1.2.1 [INFO] [stderr] Compiling smol_str v0.2.2 [INFO] [stderr] Compiling bevy_ptr v0.13.2 [INFO] [stderr] Compiling indexmap v2.11.4 [INFO] [stderr] Compiling regex-syntax v0.8.6 [INFO] [stderr] Compiling log v0.4.28 [INFO] [stderr] Compiling sharded-slab v0.1.7 [INFO] [stderr] Compiling event-listener-strategy v0.5.4 [INFO] [stderr] Compiling tracing v0.1.41 [INFO] [stderr] Compiling tracing-log v0.2.0 [INFO] [stderr] Compiling async-channel v2.5.0 [INFO] [stderr] Compiling nu-ansi-term v0.50.1 [INFO] [stderr] Compiling alsa-sys v0.3.1 [INFO] [stderr] Compiling tracing-log v0.1.4 [INFO] [stderr] Compiling lock_api v0.4.13 [INFO] [stderr] Compiling piper v0.2.4 [INFO] [stderr] Compiling blake3 v1.8.2 [INFO] [stderr] Compiling async-executor v1.13.3 [INFO] [stderr] Compiling cpal v0.15.3 [INFO] [stderr] Compiling blocking v1.6.2 [INFO] [stderr] Compiling async-lock v3.4.1 [INFO] [stderr] Compiling base64 v0.21.7 [INFO] [stderr] Compiling dasp_sample v0.11.0 [INFO] [stderr] Compiling constant_time_eq v0.3.1 [INFO] [stderr] Compiling bevy_tasks v0.13.2 [INFO] [stderr] Compiling arrayvec v0.7.6 [INFO] [stderr] Compiling event-listener v2.5.3 [INFO] [stderr] Compiling accesskit v0.12.3 [INFO] [stderr] Compiling async-broadcast v0.5.1 [INFO] [stderr] Compiling sysinfo v0.30.13 [INFO] [stderr] Compiling raw-window-handle v0.6.2 [INFO] [stderr] Compiling petgraph v0.6.5 [INFO] [stderr] Compiling async-fs v2.2.0 [INFO] [stderr] Compiling const-fnv1a-hash v1.1.0 [INFO] [stderr] Compiling ringbuffer v0.15.0 [INFO] [stderr] Compiling regex-automata v0.4.11 [INFO] [stderr] Compiling uuid v1.18.1 [INFO] [stderr] Compiling toml_edit v0.21.1 [INFO] [stderr] Compiling serde_derive v1.0.228 [INFO] [stderr] Compiling thiserror-impl v1.0.69 [INFO] [stderr] Compiling bevy_utils_proc_macros v0.13.2 [INFO] [stderr] Compiling matchers v0.2.0 [INFO] [stderr] Compiling bevy_macro_utils v0.13.2 [INFO] [stderr] Compiling thiserror v1.0.69 [INFO] [stderr] Compiling bevy_reflect_derive v0.13.2 [INFO] [stderr] Compiling bevy_ecs_macros v0.13.2 [INFO] [stderr] Compiling bevy_derive v0.13.2 [INFO] [stderr] Compiling bevy_asset_macros v0.13.2 [INFO] [stderr] Compiling smallvec v1.15.1 [INFO] [stderr] Compiling hashbrown v0.14.5 [INFO] [stderr] Compiling glam v0.25.0 [INFO] [stderr] Compiling bitflags v2.9.4 [INFO] [stderr] Compiling tracing-subscriber v0.3.20 [INFO] [stderr] Compiling parking_lot_core v0.9.11 [INFO] [stderr] Compiling parking_lot v0.12.4 [INFO] [stderr] Compiling alsa v0.9.1 [INFO] [stderr] Compiling ron v0.8.1 [INFO] [stderr] Compiling bevy_utils v0.13.2 [INFO] [stderr] Compiling rodio v0.17.3 [INFO] [stderr] Compiling bevy_math v0.13.2 [INFO] [stderr] Compiling bevy_reflect v0.13.2 [INFO] [stderr] Compiling bevy_ecs v0.13.2 [INFO] [stderr] Compiling bevy_app v0.13.2 [INFO] [stderr] Compiling bevy_log v0.13.2 [INFO] [stderr] Compiling bevy_core v0.13.2 [INFO] [stderr] Compiling bevy_a11y v0.13.2 [INFO] [stderr] Compiling bevy_input v0.13.2 [INFO] [stderr] Compiling bevy_time v0.13.2 [INFO] [stderr] Compiling bevy_asset v0.13.2 [INFO] [stderr] Compiling bevy_hierarchy v0.13.2 [INFO] [stderr] Compiling bevy_diagnostic v0.13.2 [INFO] [stderr] Compiling bevy_transform v0.13.2 [INFO] [stderr] Compiling bevy_window v0.13.2 [INFO] [stderr] Compiling bevy_audio v0.13.2 [INFO] [stderr] Compiling bevy_internal v0.13.2 [INFO] [stderr] Compiling bevy v0.13.2 [INFO] [stderr] Compiling notation_audio v0.6.0 (/opt/rustwide/workdir) [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 1m 08s [INFO] running `Command { std: "docker" "inspect" "b2cc988c9342195edc93479c14cd6b915800c02577e4e9207bf2a730b6e4f3f9", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "b2cc988c9342195edc93479c14cd6b915800c02577e4e9207bf2a730b6e4f3f9", kill_on_drop: false }` [INFO] [stdout] b2cc988c9342195edc93479c14cd6b915800c02577e4e9207bf2a730b6e4f3f9 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+caccb4d0368bd918ef6668af8e13834d07040417" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 448583d112be6d6292bbab8687f04354dafe2aa3b5ddd8098ebdeaf4f7a41b4a [INFO] running `Command { std: "docker" "start" "-a" "448583d112be6d6292bbab8687f04354dafe2aa3b5ddd8098ebdeaf4f7a41b4a", kill_on_drop: false }` [INFO] [stderr] Compiling notation_audio v0.6.0 (/opt/rustwide/workdir) [INFO] [stderr] Finished `test` profile [unoptimized + debuginfo] target(s) in 1.25s [INFO] running `Command { std: "docker" "inspect" "448583d112be6d6292bbab8687f04354dafe2aa3b5ddd8098ebdeaf4f7a41b4a", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "448583d112be6d6292bbab8687f04354dafe2aa3b5ddd8098ebdeaf4f7a41b4a", kill_on_drop: false }` [INFO] [stdout] 448583d112be6d6292bbab8687f04354dafe2aa3b5ddd8098ebdeaf4f7a41b4a [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+caccb4d0368bd918ef6668af8e13834d07040417" "test" "--frozen", kill_on_drop: false }` [INFO] [stdout] 50991b60847a2979105fc0e9e58ee37cfe707055494b740956b2b0186716321b [INFO] running `Command { std: "docker" "start" "-a" "50991b60847a2979105fc0e9e58ee37cfe707055494b740956b2b0186716321b", kill_on_drop: false }` [INFO] [stderr] Finished `test` profile [unoptimized + debuginfo] target(s) in 0.23s [INFO] [stderr] Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/notation_audio-4ae7dda2e0616262) [INFO] [stdout] [INFO] [stderr] Doc-tests notation_audio [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] [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" "50991b60847a2979105fc0e9e58ee37cfe707055494b740956b2b0186716321b", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "50991b60847a2979105fc0e9e58ee37cfe707055494b740956b2b0186716321b", kill_on_drop: false }` [INFO] [stdout] 50991b60847a2979105fc0e9e58ee37cfe707055494b740956b2b0186716321b