[INFO] fetching crate surge-synthesizer 0.2.4-alpha.0...
[INFO] testing surge-synthesizer-0.2.4-alpha.0 against 1.60.0 for beta-1.61-1
[INFO] extracting crate surge-synthesizer 0.2.4-alpha.0 into /workspace/builds/worker-11/source
[INFO] validating manifest of crates.io crate surge-synthesizer 0.2.4-alpha.0 on toolchain 1.60.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.60.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate surge-synthesizer 0.2.4-alpha.0
[INFO] finished tweaking crates.io crate surge-synthesizer 0.2.4-alpha.0
[INFO] tweaked toml for crates.io crate surge-synthesizer 0.2.4-alpha.0 written to /workspace/builds/worker-11/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.60.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.60.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded vst v0.2.1
[INFO] [stderr]   Downloaded riff-wave v0.1.2
[INFO] [stderr]   Downloaded libxml v0.3.1
[INFO] [stderr]   Downloaded automod v1.0.2
[INFO] [stderr]   Downloaded surgeshaper-sine v0.2.4-alpha.0
[INFO] [stderr]   Downloaded surgefilter-obxd v0.2.4-alpha.0
[INFO] [stderr]   Downloaded surgefilter-iir v0.2.4-alpha.0
[INFO] [stderr]   Downloaded surge-scene v0.2.4-alpha.0
[INFO] [stderr]   Downloaded surgefilter-svf v0.2.4-alpha.0
[INFO] [stderr]   Downloaded surgefilter-snh v0.2.4-alpha.0
[INFO] [stderr]   Downloaded surgefilter-nlfeedback v0.2.4-alpha.0
[INFO] [stderr]   Downloaded surgefilter-nlstates v0.2.4-alpha.0
[INFO] [stderr]   Downloaded surgefilter-comb v0.2.4-alpha.0
[INFO] [stderr]   Downloaded surgefx v0.2.4-alpha.0
[INFO] [stderr]   Downloaded surgeshaper-digi v0.2.4-alpha.0
[INFO] [stderr]   Downloaded surge-output v0.2.4-alpha.0
[INFO] [stderr]   Downloaded surgeshaper-tanh v0.2.4-alpha.0
[INFO] [stderr]   Downloaded surgefilter-k35 v0.2.4-alpha.0
[INFO] [stderr]   Downloaded surgefilter-huovilainen v0.2.4-alpha.0
[INFO] [stderr]   Downloaded surgefilter-moog v0.2.4-alpha.0
[INFO] [stderr]   Downloaded surgefilter-diode v0.2.4-alpha.0
[INFO] [stderr]   Downloaded surge-voice v0.2.4-alpha.0
[INFO] [stderr]   Downloaded surgeshaper-asym v0.2.4-alpha.0
[INFO] [stderr]   Downloaded surgefilter-rungekutta v0.2.4-alpha.0
[INFO] [stderr]   Downloaded surgeshaper-clip v0.2.4-alpha.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+1.60.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] d2e41cc5cb004600125d54fceefbc40fdf770a9e1e038c1e733d73e426e53309
[INFO] running `Command { std: "docker" "start" "-a" "d2e41cc5cb004600125d54fceefbc40fdf770a9e1e038c1e733d73e426e53309", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "d2e41cc5cb004600125d54fceefbc40fdf770a9e1e038c1e733d73e426e53309", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d2e41cc5cb004600125d54fceefbc40fdf770a9e1e038c1e733d73e426e53309", kill_on_drop: false }`
[INFO] [stdout] d2e41cc5cb004600125d54fceefbc40fdf770a9e1e038c1e733d73e426e53309
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/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" "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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+1.60.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 542823af77ffb7768e603c378ae3c62d161092ffa24c57ae39ada00d15bcfcd6
[INFO] running `Command { std: "docker" "start" "-a" "542823af77ffb7768e603c378ae3c62d161092ffa24c57ae39ada00d15bcfcd6", kill_on_drop: false }`
[INFO] [stderr]    Compiling bytemuck v1.9.1
[INFO] [stderr]    Compiling surge-quadrosc v0.2.4-alpha.0
[INFO] [stderr]    Compiling protobuf v2.27.1
[INFO] [stderr]    Compiling bindgen v0.56.0
[INFO] [stderr]    Compiling prometheus v0.13.0
[INFO] [stderr]    Compiling surge-hound v0.2.4-alpha.0
[INFO] [stderr]    Compiling owned-alloc v0.2.0
[INFO] [stderr]    Compiling downcast-rs v1.2.0
[INFO] [stderr]    Compiling mopa v0.2.2
[INFO] [stderr]    Compiling clang-sys v1.3.1
[INFO] [stderr]    Compiling jack-sys v0.2.3
[INFO] [stderr]    Compiling libloading v0.6.7
[INFO] [stderr]    Compiling libxml v0.3.1
[INFO] [stderr]    Compiling riff-wave v0.1.2
[INFO] [stderr]    Compiling packed_simd_2 v0.3.7
[INFO] [stderr]    Compiling dirs-sys v0.3.7
[INFO] [stderr]    Compiling num-bigint v0.4.3
[INFO] [stderr]    Compiling num-iter v0.1.42
[INFO] [stderr]    Compiling ndarray v0.15.4
[INFO] [stderr]    Compiling dft v0.5.5
[INFO] [stderr]    Compiling vst v0.2.1
[INFO] [stderr]    Compiling proc-macro-error v1.0.4
[INFO] [stderr]    Compiling enum_dispatch v0.3.8
[INFO] [stderr]    Compiling automod v1.0.2
[INFO] [stderr]    Compiling bincode v1.3.3
[INFO] [stderr]    Compiling uuid v0.8.2
[INFO] [stderr]    Compiling getset v0.1.2
[INFO] [stderr]    Compiling auto_impl v0.4.1
[INFO] [stderr]    Compiling lockfree v0.5.1
[INFO] [stderr]    Compiling dirs v4.0.0
[INFO] [stderr]    Compiling safe_arch v0.6.0
[INFO] [stderr]    Compiling jack v0.7.3
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the stable release channel
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/packed_simd_2-0.3.7/src/lib.rs:214:1
[INFO] [stdout]     |
[INFO] [stdout] 214 | / #![feature(
[INFO] [stdout] 215 | |     adt_const_params,
[INFO] [stdout] 216 | |     repr_simd,
[INFO] [stdout] 217 | |     rustc_attrs,
[INFO] [stdout] ...   |
[INFO] [stdout] 226 | |     custom_inner_attributes,
[INFO] [stdout] 227 | | )]
[INFO] [stdout]     | |__^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling wide v0.7.4
[INFO] [stderr] error: could not compile `packed_simd_2` due to previous error
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustc --crate-name packed_simd_2 --edition=2018 /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/packed_simd_2-0.3.7/src/lib.rs --error-format=json --json=diagnostic-rendered-ansi,artifacts,future-incompat --crate-type lib --emit=dep-info,metadata,link -C embed-bitcode=no -C debuginfo=2 --cfg 'feature="default"' --cfg 'feature="into_bits"' -C metadata=e1fb77668fad737a -C extra-filename=-e1fb77668fad737a --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --extern cfg_if=/opt/rustwide/target/debug/deps/libcfg_if-56df745b5175507b.rmeta --extern libm=/opt/rustwide/target/debug/deps/liblibm-2a215233c93cd66e.rmeta --cap-lints allow --cap-lints=warn` (signal: 9, SIGKILL: kill)
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: build failed
[INFO] running `Command { std: "docker" "inspect" "542823af77ffb7768e603c378ae3c62d161092ffa24c57ae39ada00d15bcfcd6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "542823af77ffb7768e603c378ae3c62d161092ffa24c57ae39ada00d15bcfcd6", kill_on_drop: false }`
[INFO] [stdout] 542823af77ffb7768e603c378ae3c62d161092ffa24c57ae39ada00d15bcfcd6