[INFO] fetching crate nage 2.4.3...
[INFO] documenting nage-2.4.3 against beta-2023-04-20 for beta-1.70-rustdoc-1
[INFO] extracting crate nage 2.4.3 into /workspace/builds/worker-0-tc2/source
[INFO] validating manifest of crates.io crate nage 2.4.3 on toolchain beta-2023-04-20
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2023-04-20" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate nage 2.4.3
[INFO] finished tweaking crates.io crate nage 2.4.3
[INFO] tweaked toml for crates.io crate nage 2.4.3 written to /workspace/builds/worker-0-tc2/source/Cargo.toml
[INFO] crate crates.io crate nage 2.4.3 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-2023-04-20" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded symphonia-format-mkv v0.5.2
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[INFO] [stderr]   Downloaded rustfft v6.1.0
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[INFO] [stderr]   Downloaded playback-rs v0.4.1
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[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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@sha256:5ff2268d62e97bff2cde7d5815dd6ed5b47097566f13b8d0ca110b04b60e07ed" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2023-04-20" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 9721afd3495c12dd7338a7022720ff82e8e7f901cea96b3ba9990ab22b106d68
[INFO] running `Command { std: "docker" "start" "-a" "9721afd3495c12dd7338a7022720ff82e8e7f901cea96b3ba9990ab22b106d68", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "9721afd3495c12dd7338a7022720ff82e8e7f901cea96b3ba9990ab22b106d68", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9721afd3495c12dd7338a7022720ff82e8e7f901cea96b3ba9990ab22b106d68", kill_on_drop: false }`
[INFO] [stdout] 9721afd3495c12dd7338a7022720ff82e8e7f901cea96b3ba9990ab22b106d68
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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@sha256:5ff2268d62e97bff2cde7d5815dd6ed5b47097566f13b8d0ca110b04b60e07ed" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2023-04-20" "doc" "--frozen" "--no-deps" "--document-private-items" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 89218df297b3254313e3451fba7930443467f07de1e15754e9812e766044608c
[INFO] running `Command { std: "docker" "start" "-a" "89218df297b3254313e3451fba7930443467f07de1e15754e9812e766044608c", kill_on_drop: false }`
[INFO] [stderr]     Checking cfg-if v1.0.0
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[INFO] [stderr]     Checking directories v4.0.1
[INFO] [stderr]     Checking rand v0.8.5
[INFO] [stderr]     Checking crossterm v0.26.1
[INFO] [stderr]     Checking itertools v0.10.5
[INFO] [stderr]     Checking unicode-truncate v0.2.0
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[INFO] [stderr]    Compiling codepage-437 v0.1.0
[INFO] [stderr]     Checking color-eyre v0.6.2
[INFO] [stderr]    Compiling unicode-linebreak v0.1.4
[INFO] [stderr]     Checking rustyline v11.0.0
[INFO] [stderr]    Compiling thiserror-impl v1.0.38
[INFO] [stderr]    Compiling clap_derive v3.2.18
[INFO] [stderr]    Compiling clap_derive v4.1.0
[INFO] [stderr]    Compiling strum_macros v0.24.3
[INFO] [stderr]     Checking sanitize-filename v0.4.0
[INFO] [stderr]     Checking realfft v3.2.0
[INFO] [stderr]     Checking rubato v0.12.0
[INFO] [stderr]     Checking strum v0.24.1
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[INFO] [stderr]     Checking textwrap v0.15.2
[INFO] [stderr]     Checking requestty-ui v0.5.0
[INFO] [stderr]     Checking playback-rs v0.4.1
[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-6f17d22bba15001f/playback-rs-0.4.1/src/lib.rs:4:1
[INFO] [stdout]   |
[INFO] [stdout] 4 | #![feature(c_variadic)]
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Checking clap v3.2.23
[INFO] [stderr]     Checking clap v4.1.6
[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 `playback-rs` (lib) due to 2 previous errors
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] running `Command { std: "docker" "inspect" "89218df297b3254313e3451fba7930443467f07de1e15754e9812e766044608c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "89218df297b3254313e3451fba7930443467f07de1e15754e9812e766044608c", kill_on_drop: false }`
[INFO] [stdout] 89218df297b3254313e3451fba7930443467f07de1e15754e9812e766044608c
