[INFO] fetching crate synfx-dsp-jit 0.6.2...
[INFO] checking synfx-dsp-jit-0.6.2 against 1.95.0 for pr-155915
[INFO] extracting crate synfx-dsp-jit 0.6.2 into /workspace/builds/worker-1-tc1/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-1-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate synfx-dsp-jit 0.6.2 on toolchain 1.95.0
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.95.0" "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" "+1.95.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded cranelift-native v0.103.0
[INFO] [stderr]   Downloaded ringbuf v0.2.8
[INFO] [stderr]   Downloaded region v2.2.0
[INFO] [stderr]   Downloaded thiserror-impl v1.0.56
[INFO] [stderr]   Downloaded cranelift-control v0.103.0
[INFO] [stderr]   Downloaded cranelift v0.103.0
[INFO] [stderr]   Downloaded wasmtime-jit-icache-coherence v16.0.0
[INFO] [stderr]   Downloaded pkg-config v0.3.28
[INFO] [stderr]   Downloaded thiserror v1.0.56
[INFO] [stderr]   Downloaded cranelift-entity v0.103.0
[INFO] [stderr]   Downloaded cranelift-frontend v0.103.0
[INFO] [stderr]   Downloaded cranelift-jit v0.103.0
[INFO] [stderr]   Downloaded regalloc2 v0.9.3
[INFO] [stderr]   Downloaded synfx-dsp v0.5.6
[INFO] [stderr]   Downloaded cranelift-isle v0.103.0
[INFO] [stderr]   Downloaded cranelift-codegen-meta v0.103.0
[INFO] [stderr]   Downloaded proc-macro2 v1.0.75
[INFO] [stderr]   Downloaded ahash v0.8.7
[INFO] [stderr]   Downloaded winnow v0.5.32
[INFO] [stderr]   Downloaded target-lexicon v0.12.13
[INFO] [stderr]   Downloaded cranelift-module v0.103.0
[INFO] [stderr]   Downloaded syn v2.0.47
[INFO] [stderr]   Downloaded cranelift-bforest v0.103.0
[INFO] [stderr]   Downloaded cranelift-codegen-shared v0.103.0
[INFO] [stderr]   Downloaded cranelift-codegen v0.103.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+1.95.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 22ff4fbb0bbb555f92db3471f2b95cfdb726bddff83ef10c891d4449186f04dc
[INFO] running `Command { std: "docker" "start" "-a" "22ff4fbb0bbb555f92db3471f2b95cfdb726bddff83ef10c891d4449186f04dc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "22ff4fbb0bbb555f92db3471f2b95cfdb726bddff83ef10c891d4449186f04dc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "22ff4fbb0bbb555f92db3471f2b95cfdb726bddff83ef10c891d4449186f04dc", kill_on_drop: false }`
[INFO] [stdout] 22ff4fbb0bbb555f92db3471f2b95cfdb726bddff83ef10c891d4449186f04dc
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+1.95.0" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 49bb97e3a617610533506208ad7423836d0a6fc654f42a66af615eaa4270a364
[INFO] running `Command { std: "docker" "start" "-a" "49bb97e3a617610533506208ad7423836d0a6fc654f42a66af615eaa4270a364", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.151
[INFO] [stderr]    Compiling cranelift-isle v0.103.0
[INFO] [stderr]     Checking smallvec v1.11.2
[INFO] [stderr]     Checking once_cell v1.19.0
[INFO] [stderr]    Compiling cranelift-codegen-shared v0.103.0
[INFO] [stderr]    Compiling ahash v0.8.7
[INFO] [stderr]    Compiling target-lexicon v0.12.13
[INFO] [stderr]     Checking indexmap v2.1.0
[INFO] [stderr]    Compiling cranelift-codegen-meta v0.103.0
[INFO] [stderr]     Checking rustc-hash v1.1.0
[INFO] [stderr]     Checking arbitrary v1.3.2
[INFO] [stderr]     Checking slice-group-by v0.3.1
[INFO] [stderr]     Checking cranelift-entity v0.103.0
[INFO] [stderr]     Checking hashbrown v0.13.2
[INFO] [stderr]     Checking gimli v0.28.1
[INFO] [stderr]     Checking cranelift-bforest v0.103.0
[INFO] [stderr]     Checking bumpalo v3.14.0
[INFO] [stderr]    Compiling proc-macro2 v1.0.75
[INFO] [stderr]     Checking cranelift-control v0.103.0
[INFO] [stderr]     Checking regalloc2 v0.9.3
[INFO] [stderr]    Compiling anyhow v1.0.79
[INFO] [stderr]    Compiling pkg-config v0.3.28
[INFO] [stderr]    Compiling lock_api v0.4.11
[INFO] [stderr]    Compiling num-traits v0.2.17
[INFO] [stderr]    Compiling quote v1.0.35
[INFO] [stderr]    Compiling alsa-sys v0.3.1
[INFO] [stderr]    Compiling syn v2.0.47
[INFO] [stderr]     Checking instant v0.1.12
[INFO] [stderr]    Compiling thiserror v1.0.56
[INFO] [stderr]     Checking parking_lot_core v0.8.6
[INFO] [stderr]     Checking nix v0.23.2
[INFO] [stderr]     Checking wasmtime-jit-icache-coherence v16.0.0
[INFO] [stderr]     Checking region v2.2.0
[INFO] [stderr]    Compiling cpal v0.13.5
[INFO] [stderr]     Checking cache-padded v1.3.0
[INFO] [stderr]     Checking parking_lot v0.11.2
[INFO] [stderr]     Checking ringbuf v0.2.8
[INFO] [stderr]     Checking synfx-dsp v0.5.6
[INFO] [stderr]    Compiling cranelift-codegen v0.103.0
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the stable 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] [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" "49bb97e3a617610533506208ad7423836d0a6fc654f42a66af615eaa4270a364", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "49bb97e3a617610533506208ad7423836d0a6fc654f42a66af615eaa4270a364", kill_on_drop: false }`
[INFO] [stdout] 49bb97e3a617610533506208ad7423836d0a6fc654f42a66af615eaa4270a364