[INFO] fetching crate synfx-dsp 0.5.5...
[INFO] documenting synfx-dsp-0.5.5 against 1.75.0 for beta-1.76-rustdoc-1
[INFO] extracting crate synfx-dsp 0.5.5 into /workspace/builds/worker-7-tc1/source
[INFO] validating manifest of crates.io crate synfx-dsp 0.5.5 on toolchain 1.75.0
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.75.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate synfx-dsp 0.5.5
[INFO] finished tweaking crates.io crate synfx-dsp 0.5.5
[INFO] tweaked toml for crates.io crate synfx-dsp 0.5.5 written to /workspace/builds/worker-7-tc1/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.75.0" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.75.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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" "+1.75.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 55f88f3ceb489e82612bc4ea0ab9720240b90b2cee10bca00d9c90c606f2a134
[INFO] running `Command { std: "docker" "start" "-a" "55f88f3ceb489e82612bc4ea0ab9720240b90b2cee10bca00d9c90c606f2a134", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "55f88f3ceb489e82612bc4ea0ab9720240b90b2cee10bca00d9c90c606f2a134", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "55f88f3ceb489e82612bc4ea0ab9720240b90b2cee10bca00d9c90c606f2a134", kill_on_drop: false }`
[INFO] [stdout] 55f88f3ceb489e82612bc4ea0ab9720240b90b2cee10bca00d9c90c606f2a134
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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" "+1.75.0" "doc" "--frozen" "--no-deps" "--document-private-items" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 962dad1e340f060d02f00702de1f3b338704d8a202103ff4aee77248505b09ed
[INFO] running `Command { std: "docker" "start" "-a" "962dad1e340f060d02f00702de1f3b338704d8a202103ff4aee77248505b09ed", kill_on_drop: false }`
[INFO] [stderr]  Documenting synfx-dsp v0.5.5 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the stable release channel
[INFO] [stdout]    --> src/lib.rs:228:12
[INFO] [stdout]     |
[INFO] [stdout] 228 | #![feature(portable_simd)]
[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 document `synfx-dsp`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `/opt/rustwide/rustup-home/toolchains/1.75.0-x86_64-unknown-linux-gnu/bin/rustdoc --edition=2021 --crate-type lib --crate-name synfx_dsp src/lib.rs -o /opt/rustwide/target/doc --error-format=json --json=diagnostic-rendered-ansi,artifacts,future-incompat --document-private-items -C metadata=d3414e242394ca9b -L dependency=/opt/rustwide/target/debug/deps --extern num_traits=/opt/rustwide/target/debug/deps/libnum_traits-8c2cab534c36cbcf.rmeta --cap-lints=warn --crate-version 0.5.5` (exit status: 1)
[INFO] running `Command { std: "docker" "inspect" "962dad1e340f060d02f00702de1f3b338704d8a202103ff4aee77248505b09ed", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "962dad1e340f060d02f00702de1f3b338704d8a202103ff4aee77248505b09ed", kill_on_drop: false }`
[INFO] [stdout] 962dad1e340f060d02f00702de1f3b338704d8a202103ff4aee77248505b09ed
[INFO] documenting synfx-dsp-0.5.5 against beta-2023-12-22 for beta-1.76-rustdoc-1
[INFO] extracting crate synfx-dsp 0.5.5 into /workspace/builds/worker-7-tc2/source
[INFO] validating manifest of crates.io crate synfx-dsp 0.5.5 on toolchain beta-2023-12-22
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2023-12-22" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate synfx-dsp 0.5.5
[INFO] finished tweaking crates.io crate synfx-dsp 0.5.5
[INFO] tweaked toml for crates.io crate synfx-dsp 0.5.5 written to /workspace/builds/worker-7-tc2/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2023-12-22" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2023-12-22" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2023-12-22" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] ca761e1be33a82fff3fa7bcae20c75ce14cf08bd873a2c0d9a8284e90a6d1697
[INFO] running `Command { std: "docker" "start" "-a" "ca761e1be33a82fff3fa7bcae20c75ce14cf08bd873a2c0d9a8284e90a6d1697", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "ca761e1be33a82fff3fa7bcae20c75ce14cf08bd873a2c0d9a8284e90a6d1697", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ca761e1be33a82fff3fa7bcae20c75ce14cf08bd873a2c0d9a8284e90a6d1697", kill_on_drop: false }`
[INFO] [stdout] ca761e1be33a82fff3fa7bcae20c75ce14cf08bd873a2c0d9a8284e90a6d1697
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2023-12-22" "doc" "--frozen" "--no-deps" "--document-private-items" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 9e0e908d314754171a4c455d9428e4207df0bf2e5a2a026ee896bf2c2b4f4661
[INFO] running `Command { std: "docker" "start" "-a" "9e0e908d314754171a4c455d9428e4207df0bf2e5a2a026ee896bf2c2b4f4661", kill_on_drop: false }`
[INFO] [stderr]  Documenting synfx-dsp v0.5.5 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the beta release channel
[INFO] [stdout]    --> src/lib.rs:228:12
[INFO] [stdout]     |
[INFO] [stdout] 228 | #![feature(portable_simd)]
[INFO] [stdout]     |            ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 1 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 document `synfx-dsp`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `/opt/rustwide/rustup-home/toolchains/beta-2023-12-22-x86_64-unknown-linux-gnu/bin/rustdoc --edition=2021 --crate-type lib --crate-name synfx_dsp src/lib.rs -o /opt/rustwide/target/doc --error-format=json --json=diagnostic-rendered-ansi,artifacts,future-incompat --document-private-items -C metadata=ed51119083d52e68 -L dependency=/opt/rustwide/target/debug/deps --extern num_traits=/opt/rustwide/target/debug/deps/libnum_traits-4e7ac28810aa7d15.rmeta --cap-lints=warn --crate-version 0.5.5` (exit status: 1)
[INFO] running `Command { std: "docker" "inspect" "9e0e908d314754171a4c455d9428e4207df0bf2e5a2a026ee896bf2c2b4f4661", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9e0e908d314754171a4c455d9428e4207df0bf2e5a2a026ee896bf2c2b4f4661", kill_on_drop: false }`
[INFO] [stdout] 9e0e908d314754171a4c455d9428e4207df0bf2e5a2a026ee896bf2c2b4f4661
