[INFO] fetching crate surge-synthesizer 0.2.0-alpha.0...
[INFO] testing surge-synthesizer-0.2.0-alpha.0 against beta-2022-02-22 for beta-1.60-1
[INFO] extracting crate surge-synthesizer 0.2.0-alpha.0 into /workspace/builds/worker-47/source
[INFO] validating manifest of crates.io crate surge-synthesizer 0.2.0-alpha.0 on toolchain beta-2022-02-22
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-02-22" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate surge-synthesizer 0.2.0-alpha.0
[INFO] finished tweaking crates.io crate surge-synthesizer 0.2.0-alpha.0
[INFO] tweaked toml for crates.io crate surge-synthesizer 0.2.0-alpha.0 written to /workspace/builds/worker-47/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-02-22" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-02-22" "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 lockfree v0.5.1
[INFO] [stderr]   Downloaded jack-sys v0.2.3
[INFO] [stderr]   Downloaded jack v0.7.3
[INFO] [stderr]   Downloaded libxml v0.3.0
[INFO] [stderr]   Downloaded bindgen v0.56.0
[INFO] [stderr]   Downloaded coreaudio-rs v0.10.0
[INFO] [stderr]   Downloaded coreaudio-sys v0.2.9
[INFO] [stderr]   Downloaded owned-alloc v0.2.0
[INFO] [stderr]   Downloaded riff-wave v0.1.2
[INFO] [stderr]   Downloaded vst v0.2.1
[INFO] [stderr]   Downloaded surgefilter-k35 v0.2.0-alpha.0
[INFO] [stderr]   Downloaded surgefilter-comb v0.2.0-alpha.0
[INFO] [stderr]   Downloaded surgefilter-moog v0.2.0-alpha.0
[INFO] [stderr]   Downloaded surgefilter-nlfeedback v0.2.0-alpha.0
[INFO] [stderr]   Downloaded surge-scene v0.2.0-alpha.0
[INFO] [stderr]   Downloaded surgefilter-snh v0.2.0-alpha.0
[INFO] [stderr]   Downloaded surgeshaper-tanh v0.2.0-alpha.0
[INFO] [stderr]   Downloaded surgefilter-huovilainen v0.2.0-alpha.0
[INFO] [stderr]   Downloaded surgeshaper-digi v0.2.0-alpha.0
[INFO] [stderr]   Downloaded surgeshaper-asym v0.2.0-alpha.0
[INFO] [stderr]   Downloaded surgeshaper-sine v0.2.0-alpha.0
[INFO] [stderr]   Downloaded surgefilter-rungekutta v0.2.0-alpha.0
[INFO] [stderr]   Downloaded surge-output v0.2.0-alpha.0
[INFO] [stderr]   Downloaded surgeshaper-clip v0.2.0-alpha.0
[INFO] [stderr]   Downloaded surgefilter-obxd v0.2.0-alpha.0
[INFO] [stderr]   Downloaded surgefilter-iir v0.2.0-alpha.0
[INFO] [stderr]   Downloaded surge-voice v0.2.0-alpha.0
[INFO] [stderr]   Downloaded surgefilter-svf v0.2.0-alpha.0
[INFO] [stderr]   Downloaded surgefx v0.2.0-alpha.0
[INFO] [stderr]   Downloaded surgefilter-nlstates v0.2.0-alpha.0
[INFO] [stderr]   Downloaded surgefilter-diode v0.2.0-alpha.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-47/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-47/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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-02-22" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] a68d2cb11b06e6acb2545a8e450fc9dbb8d66c5b0fa688059e08962c9af62b36
[INFO] running `Command { std: "docker" "start" "-a" "a68d2cb11b06e6acb2545a8e450fc9dbb8d66c5b0fa688059e08962c9af62b36", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "a68d2cb11b06e6acb2545a8e450fc9dbb8d66c5b0fa688059e08962c9af62b36", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a68d2cb11b06e6acb2545a8e450fc9dbb8d66c5b0fa688059e08962c9af62b36", kill_on_drop: false }`
[INFO] [stdout] a68d2cb11b06e6acb2545a8e450fc9dbb8d66c5b0fa688059e08962c9af62b36
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-47/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-47/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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-02-22" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] d0af1a9d66213030eecc5c6014473e213607449de3d13506e5c128ea90322351
[INFO] running `Command { std: "docker" "start" "-a" "d0af1a9d66213030eecc5c6014473e213607449de3d13506e5c128ea90322351", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling proc-macro2 v1.0.36
[INFO] [stderr]    Compiling unicode-xid v0.2.2
[INFO] [stderr]    Compiling libc v0.2.119
[INFO] [stderr]    Compiling autocfg v1.1.0
[INFO] [stderr]    Compiling cfg-if v1.0.0
[INFO] [stderr]    Compiling version_check v0.9.4
[INFO] [stderr]    Compiling syn v1.0.86
[INFO] [stderr]    Compiling lazy_static v1.4.0
[INFO] [stderr]    Compiling bitflags v1.3.2
[INFO] [stderr]    Compiling serde_derive v1.0.136
[INFO] [stderr]    Compiling serde v1.0.136
[INFO] [stderr]    Compiling rawpointer v0.2.1
[INFO] [stderr]    Compiling ppv-lite86 v0.2.16
[INFO] [stderr]    Compiling atomic_float v0.1.0
[INFO] [stderr]    Compiling byteorder v0.5.3
[INFO] [stderr]    Compiling paste v1.0.6
[INFO] [stderr]    Compiling convert_case v0.4.0
[INFO] [stderr]    Compiling half v1.8.2
[INFO] [stderr]    Compiling approx_eq v0.1.8
[INFO] [stderr]    Compiling float-ord v0.3.2
[INFO] [stderr]    Compiling surge-constants v0.2.0-alpha.0
[INFO] [stderr]    Compiling surge-macros v0.2.0-alpha.0
[INFO] [stderr]    Compiling once_cell v1.9.0
[INFO] [stderr]    Compiling unindent v0.1.8
[INFO] [stderr]    Compiling surge-quadrosc v0.2.0-alpha.0
[INFO] [stderr]    Compiling memchr v2.4.1
[INFO] [stderr]    Compiling glob v0.3.0
[INFO] [stderr]    Compiling regex-syntax v0.6.25
[INFO] [stderr]    Compiling parking_lot_core v0.8.5
[INFO] [stderr]    Compiling pkg-config v0.3.24
[INFO] [stderr]    Compiling protobuf v2.27.1
[INFO] [stderr]    Compiling smallvec v1.8.0
[INFO] [stderr]    Compiling scopeguard v1.1.0
[INFO] [stderr]    Compiling bindgen v0.56.0
[INFO] [stderr]    Compiling rustc-hash v1.1.0
[INFO] [stderr]    Compiling peeking_take_while v0.1.2
[INFO] [stderr]    Compiling surge-hound v0.2.0-alpha.0
[INFO] [stderr]    Compiling lazycell v1.3.0
[INFO] [stderr]    Compiling shlex v0.1.1
[INFO] [stderr]    Compiling prometheus v0.13.0
[INFO] [stderr]    Compiling fnv v1.0.7
[INFO] [stderr]    Compiling log v0.4.14
[INFO] [stderr]    Compiling cc v1.0.73
[INFO] [stderr]    Compiling owned-alloc v0.2.0
[INFO] [stderr]    Compiling mopa v0.2.2
[INFO] [stderr]    Compiling xml-rs v0.8.4
[INFO] [stderr]    Compiling bytemuck v1.7.3
[INFO] [stderr]    Compiling downcast-rs v1.2.0
[INFO] [stderr]    Compiling libloading v0.7.3
[INFO] [stderr]    Compiling instant v0.1.12
[INFO] [stderr]    Compiling libloading v0.6.7
[INFO] [stderr]    Compiling lock_api v0.4.6
[INFO] [stderr]    Compiling matrixmultiply v0.3.2
[INFO] [stderr]    Compiling lockfree v0.5.1
[INFO] [stderr]    Compiling riff-wave v0.1.2
[INFO] [stderr]    Compiling indoc v1.0.4
[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]    Compiling num-integer v0.1.44
[INFO] [stderr]    Compiling num-bigint v0.4.3
[INFO] [stderr]    Compiling num-rational v0.4.0
[INFO] [stderr]    Compiling num-iter v0.1.42
[INFO] [stderr]    Compiling clang-sys v1.3.1
[INFO] [stderr]    Compiling jack-sys v0.2.3
[INFO] [stderr]    Compiling libxml v0.3.0
[INFO] [stderr]    Compiling enhanced_enum v0.2.2
[INFO] [stderr]    Compiling proc-macro-error-attr v1.0.4
[INFO] [stderr]    Compiling proc-macro-error v1.0.4
[INFO] [stderr]    Compiling nom v5.1.2
[INFO] [stderr]    Compiling libloading v0.5.2
[INFO] [stderr]    Compiling aho-corasick v0.7.18
[INFO] [stderr]    Compiling quote v1.0.15
[INFO] [stderr]    Compiling getrandom v0.2.5
[INFO] [stderr]    Compiling dirs-sys v0.3.6
[INFO] [stderr]    Compiling dirs v4.0.0
[INFO] [stderr]    Compiling rand_core v0.6.3
[INFO] [stderr]    Compiling parking_lot v0.11.2
[INFO] [stderr]    Compiling jack v0.7.3
[INFO] [stderr]    Compiling rand_chacha v0.3.1
[INFO] [stderr]    Compiling num-complex v0.4.0
[INFO] [stderr]    Compiling float-cmp v0.9.0
[INFO] [stderr]    Compiling approx v0.5.1
[INFO] [stderr]    Compiling vst v0.2.1
[INFO] [stderr]    Compiling regex v1.5.4
[INFO] [stderr]    Compiling rand v0.8.5
[INFO] [stderr]    Compiling ndarray v0.15.4
[INFO] [stderr]    Compiling cexpr v0.4.0
[INFO] [stderr]    Compiling num v0.4.0
[INFO] [stderr]    Compiling derive_more v0.99.17
[INFO] [stderr]    Compiling getset v0.1.2
[INFO] [stderr]    Compiling enum_dispatch v0.3.8
[INFO] [stderr]    Compiling derivative v2.2.0
[INFO] [stderr]    Compiling thiserror-impl v1.0.30
[INFO] [stderr]    Compiling auto_impl v0.4.1
[INFO] [stderr]    Compiling automod v1.0.2
[INFO] [stderr]    Compiling coreaudio-sys v0.2.9
[INFO] [stderr]    Compiling surge-samplerate v0.2.0-alpha.0
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the beta release channel
[INFO] [stdout]  --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/surge-samplerate-0.2.0-alpha.0/src/lib.rs:1:1
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![feature(in_band_lifetimes)]
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to previous error
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0554`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `surge-samplerate` due to 2 previous errors
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: build failed
[INFO] running `Command { std: "docker" "inspect" "d0af1a9d66213030eecc5c6014473e213607449de3d13506e5c128ea90322351", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d0af1a9d66213030eecc5c6014473e213607449de3d13506e5c128ea90322351", kill_on_drop: false }`
[INFO] [stdout] d0af1a9d66213030eecc5c6014473e213607449de3d13506e5c128ea90322351