[INFO] fetching crate synfx-dsp-jit 0.6.2...
[INFO] testing synfx-dsp-jit-0.6.2 against beta-2025-09-21 for beta-1.91-3
[INFO] extracting crate synfx-dsp-jit 0.6.2 into /workspace/builds/worker-2-tc2/source
[INFO] started tweaking crates.io crate synfx-dsp-jit 0.6.2
[INFO] finished tweaking crates.io crate synfx-dsp-jit 0.6.2
[INFO] tweaked toml for crates.io crate synfx-dsp-jit 0.6.2 written to /workspace/builds/worker-2-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate synfx-dsp-jit 0.6.2 on toolchain beta-2025-09-21
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2025-09-21" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate synfx-dsp-jit 0.6.2 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-2025-09-21" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-09-21" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 902f30324fc9a9cb5442ca048884268e0856c76a3befa1b12ea1b20fed57e501
[INFO] running `Command { std: "docker" "start" "-a" "902f30324fc9a9cb5442ca048884268e0856c76a3befa1b12ea1b20fed57e501", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "902f30324fc9a9cb5442ca048884268e0856c76a3befa1b12ea1b20fed57e501", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "902f30324fc9a9cb5442ca048884268e0856c76a3befa1b12ea1b20fed57e501", kill_on_drop: false }`
[INFO] [stdout] 902f30324fc9a9cb5442ca048884268e0856c76a3befa1b12ea1b20fed57e501
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-09-21" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 5df3313d946bec059ed4cfc8cb077f9e5821a2ad6d2335a4a3923023d64be142
[INFO] running `Command { std: "docker" "start" "-a" "5df3313d946bec059ed4cfc8cb077f9e5821a2ad6d2335a4a3923023d64be142", kill_on_drop: false }`
[INFO] [stderr]    Compiling ahash v0.8.7
[INFO] [stderr]    Compiling cranelift-isle v0.103.0
[INFO] [stderr]    Compiling once_cell v1.19.0
[INFO] [stderr]    Compiling zerocopy v0.7.32
[INFO] [stderr]    Compiling cranelift-codegen-shared v0.103.0
[INFO] [stderr]    Compiling target-lexicon v0.12.13
[INFO] [stderr]    Compiling hashbrown v0.14.3
[INFO] [stderr]    Compiling equivalent v1.0.1
[INFO] [stderr]    Compiling rustc-hash v1.1.0
[INFO] [stderr]    Compiling arbitrary v1.3.2
[INFO] [stderr]    Compiling smallvec v1.11.2
[INFO] [stderr]    Compiling cranelift-entity v0.103.0
[INFO] [stderr]    Compiling slice-group-by v0.3.1
[INFO] [stderr]    Compiling bumpalo v3.14.0
[INFO] [stderr]    Compiling libc v0.2.151
[INFO] [stderr]    Compiling anyhow v1.0.79
[INFO] [stderr]    Compiling ringbuf v0.2.8
[INFO] [stderr]    Compiling synfx-dsp v0.5.6
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the beta release channel
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/synfx-dsp-0.5.6/src/lib.rs:230:1
[INFO] [stdout]     |
[INFO] [stdout] 230 | #![feature(portable_simd)]
[INFO] [stdout]     | ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling cranelift-codegen-meta v0.103.0
[INFO] [stderr]    Compiling cranelift-bforest v0.103.0
[INFO] [stdout] For more information about this error, try `rustc --explain E0554`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `synfx-dsp` (lib) due to 1 previous error
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] running `Command { std: "docker" "inspect" "5df3313d946bec059ed4cfc8cb077f9e5821a2ad6d2335a4a3923023d64be142", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5df3313d946bec059ed4cfc8cb077f9e5821a2ad6d2335a4a3923023d64be142", kill_on_drop: false }`
[INFO] [stdout] 5df3313d946bec059ed4cfc8cb077f9e5821a2ad6d2335a4a3923023d64be142