[INFO] fetching crate playback-rs 0.4.8...
[INFO] checking playback-rs-0.4.8 against 1.95.0 for pr-155915
[INFO] extracting crate playback-rs 0.4.8 into /workspace/builds/worker-6-tc1/source
[INFO] started tweaking crates.io crate playback-rs 0.4.8
[INFO] removed 0 missing examples
[INFO] finished tweaking crates.io crate playback-rs 0.4.8
[INFO] tweaked toml for crates.io crate playback-rs 0.4.8 written to /workspace/builds/worker-6-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate playback-rs 0.4.8 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 playback-rs 0.4.8 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]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded symphonia-format-riff v0.5.5
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[INFO] [stderr]   Downloaded objc2-core-audio-types v0.3.2
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[INFO] [stderr]   Downloaded coreaudio-rs v0.14.1
[INFO] [stderr]   Downloaded symphonia-codec-aac v0.5.5
[INFO] [stderr]   Downloaded alsa v0.11.0
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[INFO] [stderr]   Downloaded objc2-audio-toolbox v0.3.2
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[INFO] [stderr]   Downloaded cpal v0.17.3
[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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+1.95.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] d6410788d64761358b1948eaaf707f31aa2f6529868d104f8de9538cf855f5dd
[INFO] running `Command { std: "docker" "start" "-a" "d6410788d64761358b1948eaaf707f31aa2f6529868d104f8de9538cf855f5dd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "d6410788d64761358b1948eaaf707f31aa2f6529868d104f8de9538cf855f5dd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d6410788d64761358b1948eaaf707f31aa2f6529868d104f8de9538cf855f5dd", kill_on_drop: false }`
[INFO] [stdout] d6410788d64761358b1948eaaf707f31aa2f6529868d104f8de9538cf855f5dd
[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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+1.95.0" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] af1d9d3045f3d5d06d5780a95f7fb9d7389f3a2a23b1e04dc39fb863bb2a00d5
[INFO] running `Command { std: "docker" "start" "-a" "af1d9d3045f3d5d06d5780a95f7fb9d7389f3a2a23b1e04dc39fb863bb2a00d5", kill_on_drop: false }`
[INFO] [stderr]     Checking symphonia-core v0.5.5
[INFO] [stderr]    Compiling alsa-sys v0.4.0
[INFO] [stderr]     Checking strength_reduce v0.2.4
[INFO] [stderr]     Checking num-integer v0.1.46
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[INFO] [stderr]    Compiling cpal v0.17.3
[INFO] [stderr]    Compiling time-macros v0.2.27
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[INFO] [stderr]     Checking primal-check v0.3.4
[INFO] [stderr]     Checking transpose v0.2.3
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[INFO] [stderr]     Checking object v0.37.3
[INFO] [stderr]     Checking rustfft v6.4.1
[INFO] [stderr]     Checking alsa v0.11.0
[INFO] [stderr]     Checking time v0.3.47
[INFO] [stderr]     Checking symphonia-metadata v0.5.5
[INFO] [stderr]     Checking symphonia-codec-aac v0.5.5
[INFO] [stderr]     Checking symphonia-codec-alac v0.5.5
[INFO] [stderr]     Checking symphonia-codec-pcm v0.5.5
[INFO] [stderr]     Checking symphonia-codec-adpcm v0.5.5
[INFO] [stderr]     Checking symphonia-utils-xiph v0.5.5
[INFO] [stderr]     Checking symphonia-bundle-mp3 v0.5.5
[INFO] [stderr]     Checking symphonia-format-riff v0.5.5
[INFO] [stderr]     Checking symphonia-format-ogg v0.5.5
[INFO] [stderr]     Checking symphonia-codec-vorbis v0.5.5
[INFO] [stderr]     Checking symphonia-format-mkv v0.5.5
[INFO] [stderr]     Checking symphonia-bundle-flac v0.5.5
[INFO] [stderr]     Checking symphonia-format-isomp4 v0.5.5
[INFO] [stderr]     Checking simplelog v0.12.2
[INFO] [stderr]     Checking symphonia v0.5.5
[INFO] [stderr]     Checking backtrace v0.3.76
[INFO] [stderr]     Checking color-eyre v0.6.5
[INFO] [stderr]     Checking realfft v3.5.0
[INFO] [stderr]     Checking rubato v0.16.2
[INFO] [stderr]     Checking playback-rs v0.4.8 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the stable release channel
[INFO] [stdout]  --> src/lib.rs:4:1
[INFO] [stdout]   |
[INFO] [stdout] 4 | #![feature(c_variadic)]
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: no method named `next_arg` found for struct `VaList<'a>` in the current scope
[INFO] [stdout]    --> src/lib.rs:989:35
[INFO] [stdout]     |
[INFO] [stdout] 989 | ...                   CStr::from_ptr(format_args.next_arg::<*const c_char>()).to_bytes(),
[INFO] [stdout]     |                                                  ^^^^^^^^ method not found in `VaList<'_>`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the stable release channel
[INFO] [stdout]  --> src/lib.rs:4:1
[INFO] [stdout]   |
[INFO] [stdout] 4 | #![feature(c_variadic)]
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0554, E0599.
[INFO] [stdout] 
[INFO] [stdout] For more information about an error, try `rustc --explain E0554`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `playback-rs` (lib) due to 2 previous errors
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] error[E0599]: no method named `next_arg` found for struct `VaList<'a>` in the current scope
[INFO] [stdout]    --> src/lib.rs:989:35
[INFO] [stdout]     |
[INFO] [stdout] 989 | ...                   CStr::from_ptr(format_args.next_arg::<*const c_char>()).to_bytes(),
[INFO] [stdout]     |                                                  ^^^^^^^^ method not found in `VaList<'_>`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0554, E0599.
[INFO] [stdout] 
[INFO] [stdout] For more information about an error, try `rustc --explain E0554`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `playback-rs` (lib test) due to 2 previous errors
[INFO] running `Command { std: "docker" "inspect" "af1d9d3045f3d5d06d5780a95f7fb9d7389f3a2a23b1e04dc39fb863bb2a00d5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "af1d9d3045f3d5d06d5780a95f7fb9d7389f3a2a23b1e04dc39fb863bb2a00d5", kill_on_drop: false }`
[INFO] [stdout] af1d9d3045f3d5d06d5780a95f7fb9d7389f3a2a23b1e04dc39fb863bb2a00d5
