[INFO] fetching crate rawdio 0.8.0...
[INFO] documenting rawdio-0.8.0 against 1.76.0 for beta-1.77-rustdoc-1
[INFO] extracting crate rawdio 0.8.0 into /workspace/builds/worker-0-tc1/source
[INFO] validating manifest of crates.io crate rawdio 0.8.0 on toolchain 1.76.0
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.76.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate rawdio 0.8.0
[INFO] finished tweaking crates.io crate rawdio 0.8.0
[INFO] tweaked toml for crates.io crate rawdio 0.8.0 written to /workspace/builds/worker-0-tc1/source/Cargo.toml
[INFO] crate crates.io crate rawdio 0.8.0 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" "+1.76.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded rustfft v6.1.0
[INFO] [stderr]   Downloaded fixed v1.23.1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+1.76.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 047cc2db63639be799841e58323ba1e2021d617466ca0b2c7f4acc24374ca5a3
[INFO] running `Command { std: "docker" "start" "-a" "047cc2db63639be799841e58323ba1e2021d617466ca0b2c7f4acc24374ca5a3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "047cc2db63639be799841e58323ba1e2021d617466ca0b2c7f4acc24374ca5a3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "047cc2db63639be799841e58323ba1e2021d617466ca0b2c7f4acc24374ca5a3", kill_on_drop: false }`
[INFO] [stdout] 047cc2db63639be799841e58323ba1e2021d617466ca0b2c7f4acc24374ca5a3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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=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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+1.76.0" "doc" "--frozen" "--no-deps" "--document-private-items" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 3194d213a5fdcd22e947e1d52f3d627b255accd29078945199778eb52ca42c9e
[INFO] running `Command { std: "docker" "start" "-a" "3194d213a5fdcd22e947e1d52f3d627b255accd29078945199778eb52ca42c9e", kill_on_drop: false }`
[INFO] [stderr]     Checking cfg-if v1.0.0
[INFO] [stderr]    Compiling num-traits v0.2.15
[INFO] [stderr]    Compiling crossbeam-utils v0.8.15
[INFO] [stderr]    Compiling libc v0.2.141
[INFO] [stderr]    Compiling memoffset v0.8.0
[INFO] [stderr]    Compiling num-integer v0.1.45
[INFO] [stderr]    Compiling crossbeam-epoch v0.9.14
[INFO] [stderr]    Compiling typenum v1.16.0
[INFO] [stderr]    Compiling crossbeam-queue v0.3.8
[INFO] [stderr]     Checking scopeguard v1.1.0
[INFO] [stderr]    Compiling az v1.2.1
[INFO] [stderr]    Compiling rustfft v6.1.0
[INFO] [stderr]     Checking strength_reduce v0.2.4
[INFO] [stderr]     Checking ppv-lite86 v0.2.17
[INFO] [stderr]    Compiling fixed v1.23.1
[INFO] [stderr]     Checking crossbeam-channel v0.5.8
[INFO] [stderr]     Checking bytemuck v1.13.1
[INFO] [stderr]     Checking half v2.2.1
[INFO] [stderr]     Checking crossbeam-deque v0.8.3
[INFO] [stderr]     Checking getrandom v0.2.9
[INFO] [stderr]     Checking either v1.8.1
[INFO] [stderr]     Checking atomic_float v0.1.0
[INFO] [stderr]     Checking crossbeam v0.8.2
[INFO] [stderr]     Checking itertools v0.10.5
[INFO] [stderr]     Checking rand_core v0.6.4
[INFO] [stderr]     Checking num-complex v0.4.3
[INFO] [stderr]     Checking rand_chacha v0.3.1
[INFO] [stderr]     Checking primal-check v0.3.3
[INFO] [stderr]     Checking transpose v0.2.2
[INFO] [stderr]     Checking rand v0.8.5
[INFO] [stderr]  Documenting rawdio v0.8.0 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the stable release channel
[INFO] [stdout]  --> src/lib.rs:1:12
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![feature(portable_simd)]
[INFO] [stdout]   |            ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: public documentation for `ProcessContext` links to private item `DspProcessor`
[INFO] [stdout]   --> src/graph/dsp.rs:16:42
[INFO] [stdout]    |
[INFO] [stdout] 16 | /// The context that is passed to every [DspProcessor]
[INFO] [stdout]    |                                          ^^^^^^^^^^^^ this item is private
[INFO] [stdout]    |
[INFO] [stdout]    = note: this link resolves only because you passed `--document-private-items`, but will break without
[INFO] [stdout]    = note: `#[warn(rustdoc::private_intra_doc_links)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 1 previous error; 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0554`.
[INFO] [stdout] 
[INFO] [stderr] error: could not document `rawdio`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `/opt/rustwide/rustup-home/toolchains/1.76.0-x86_64-unknown-linux-gnu/bin/rustdoc --edition=2021 --crate-type lib --crate-name rawdio src/lib.rs -o /opt/rustwide/target/doc --error-format=json --json=diagnostic-rendered-ansi,artifacts,future-incompat --document-private-items -C metadata=5211a89ef9b65bfc -L dependency=/opt/rustwide/target/debug/deps --extern atomic_float=/opt/rustwide/target/debug/deps/libatomic_float-34488672b7efcc92.rmeta --extern crossbeam=/opt/rustwide/target/debug/deps/libcrossbeam-7b797cb076ca00de.rmeta --extern fixed=/opt/rustwide/target/debug/deps/libfixed-77a2be07b1d45c70.rmeta --extern itertools=/opt/rustwide/target/debug/deps/libitertools-79c427e0fff9c765.rmeta --extern rand=/opt/rustwide/target/debug/deps/librand-64232b4853a08d51.rmeta --extern rustfft=/opt/rustwide/target/debug/deps/librustfft-31545cd09712afce.rmeta --cap-lints=warn --crate-version 0.8.0` (exit status: 1)
[INFO] running `Command { std: "docker" "inspect" "3194d213a5fdcd22e947e1d52f3d627b255accd29078945199778eb52ca42c9e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3194d213a5fdcd22e947e1d52f3d627b255accd29078945199778eb52ca42c9e", kill_on_drop: false }`
[INFO] [stdout] 3194d213a5fdcd22e947e1d52f3d627b255accd29078945199778eb52ca42c9e
