[INFO] fetching crate ruffbox_synth 0.9.0...
[INFO] documenting ruffbox_synth-0.9.0 against 1.75.0 for beta-1.76-rustdoc-1
[INFO] extracting crate ruffbox_synth 0.9.0 into /workspace/builds/worker-3-tc1/source
[INFO] validating manifest of crates.io crate ruffbox_synth 0.9.0 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 ruffbox_synth 0.9.0
[INFO] finished tweaking crates.io crate ruffbox_synth 0.9.0
[INFO] tweaked toml for crates.io crate ruffbox_synth 0.9.0 written to /workspace/builds/worker-3-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] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded realfft v2.0.1
[INFO] [stderr]   Downloaded rubato v0.10.1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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] e803aa5a813c11ceeebf556af64f6474b83389f923fb1188f0567261f69a3b1c
[INFO] running `Command { std: "docker" "start" "-a" "e803aa5a813c11ceeebf556af64f6474b83389f923fb1188f0567261f69a3b1c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "e803aa5a813c11ceeebf556af64f6474b83389f923fb1188f0567261f69a3b1c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e803aa5a813c11ceeebf556af64f6474b83389f923fb1188f0567261f69a3b1c", kill_on_drop: false }`
[INFO] [stdout] e803aa5a813c11ceeebf556af64f6474b83389f923fb1188f0567261f69a3b1c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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] 84d20ccbbb962436cf289f4f8e319bc591a9f5fdcdaf95dde6e936e7528411ed
[INFO] running `Command { std: "docker" "start" "-a" "84d20ccbbb962436cf289f4f8e319bc591a9f5fdcdaf95dde6e936e7528411ed", kill_on_drop: false }`
[INFO] [stderr]    Compiling num-traits v0.2.17
[INFO] [stderr]    Compiling num-integer v0.1.45
[INFO] [stderr]    Compiling crossbeam-utils v0.8.18
[INFO] [stderr]     Checking strength_reduce v0.2.4
[INFO] [stderr]    Compiling parking_lot_core v0.8.6
[INFO] [stderr]     Checking instant v0.1.12
[INFO] [stderr]     Checking hashbrown v0.14.3
[INFO] [stderr]    Compiling rustfft v6.1.0
[INFO] [stderr]     Checking dashmap v5.5.3
[INFO] [stderr]     Checking parking_lot v0.11.2
[INFO] [stderr]     Checking crossbeam-epoch v0.9.17
[INFO] [stderr]     Checking crossbeam-queue v0.3.10
[INFO] [stderr]     Checking crossbeam-channel v0.5.10
[INFO] [stderr]     Checking crossbeam-deque v0.8.4
[INFO] [stderr]     Checking num-complex v0.4.4
[INFO] [stderr]     Checking crossbeam v0.8.3
[INFO] [stderr]     Checking transpose v0.2.2
[INFO] [stderr]     Checking primal-check v0.3.3
[INFO] [stderr]     Checking chfft v0.3.4
[INFO] [stderr]     Checking realfft v2.0.1
[INFO] [stderr]     Checking rubato v0.10.1
[INFO] [stderr]  Documenting ruffbox_synth v0.9.0 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the stable release channel
[INFO] [stdout]  --> src/lib.rs:2:12
[INFO] [stdout]   |
[INFO] [stdout] 2 | #![feature(get_many_mut)]
[INFO] [stdout]   |            ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: this URL is not a hyperlink
[INFO] [stdout]  --> src/building_blocks/oscillators/brown_noise.rs:7:13
[INFO] [stdout]   |
[INFO] [stdout] 7 |  * Based on https://github.com/porres/pd-else/blob/master/Classes/Source/brown%7E.c
[INFO] [stdout]   |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use an automatic link instead: `<https://github.com/porres/pd-else/blob/master/Classes/Source/brown%7E.c>`
[INFO] [stdout]   |
[INFO] [stdout]   = note: bare URLs are not automatically turned into clickable links
[INFO] [stdout]   = note: `#[warn(rustdoc::bare_urls)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: this URL is not a hyperlink
[INFO] [stdout]   --> src/building_blocks/oscillators/fm_saw.rs:13:4
[INFO] [stdout]    |
[INFO] [stdout] 13 |  * http://scp.web.elte.hu/papers/synthesis1.pdf
[INFO] [stdout]    |    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use an automatic link instead: `<http://scp.web.elte.hu/papers/synthesis1.pdf>`
[INFO] [stdout]    |
[INFO] [stdout]    = note: bare URLs are not automatically turned into clickable links
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: this URL is not a hyperlink
[INFO] [stdout]   --> src/building_blocks/oscillators/fm_square.rs:13:4
[INFO] [stdout]    |
[INFO] [stdout] 13 |  * http://scp.web.elte.hu/papers/synthesis1.pdf
[INFO] [stdout]    |    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use an automatic link instead: `<http://scp.web.elte.hu/papers/synthesis1.pdf>`
[INFO] [stdout]    |
[INFO] [stdout]    = note: bare URLs are not automatically turned into clickable links
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: this URL is not a hyperlink
[INFO] [stdout]   --> src/building_blocks/oscillators/fm_tri.rs:13:4
[INFO] [stdout]    |
[INFO] [stdout] 13 |  * http://scp.web.elte.hu/papers/synthesis1.pdf
[INFO] [stdout]    |    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use an automatic link instead: `<http://scp.web.elte.hu/papers/synthesis1.pdf>`
[INFO] [stdout]    |
[INFO] [stdout]    = note: bare URLs are not automatically turned into clickable links
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: this URL is not a hyperlink
[INFO] [stdout]   --> src/building_blocks/oscillators/sine_osc.rs:11:4
[INFO] [stdout]    |
[INFO] [stdout] 11 |  * https://www.dsprelated.com/freebooks/pasp/Digital_Sinusoid_Generators.html
[INFO] [stdout]    |    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use an automatic link instead: `<https://www.dsprelated.com/freebooks/pasp/Digital_Sinusoid_Generators.html>`
[INFO] [stdout]    |
[INFO] [stdout]    = note: bare URLs are not automatically turned into clickable links
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to previous error; 5 warnings 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 `ruffbox_synth`
[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 ruffbox_synth src/lib.rs -o /opt/rustwide/target/doc --error-format=json --json=diagnostic-rendered-ansi,artifacts,future-incompat --document-private-items -C metadata=ddd816c3b8614e8e -L dependency=/opt/rustwide/target/debug/deps --extern chfft=/opt/rustwide/target/debug/deps/libchfft-6c3bfedbab5dcbee.rmeta --extern crossbeam=/opt/rustwide/target/debug/deps/libcrossbeam-cb3275fe4a20b5e1.rmeta --extern dashmap=/opt/rustwide/target/debug/deps/libdashmap-e4784a4858e72bee.rmeta --extern fastrand=/opt/rustwide/target/debug/deps/libfastrand-5876ab4b602f815c.rmeta --extern num_complex=/opt/rustwide/target/debug/deps/libnum_complex-13a8694725f4723d.rmeta --extern parking_lot=/opt/rustwide/target/debug/deps/libparking_lot-c1ffe92c81d3d5c2.rmeta --extern rubato=/opt/rustwide/target/debug/deps/librubato-b4e2c7c718eab64f.rmeta --cap-lints=warn --crate-version 0.9.0` (exit status: 1)
[INFO] running `Command { std: "docker" "inspect" "84d20ccbbb962436cf289f4f8e319bc591a9f5fdcdaf95dde6e936e7528411ed", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "84d20ccbbb962436cf289f4f8e319bc591a9f5fdcdaf95dde6e936e7528411ed", kill_on_drop: false }`
[INFO] [stdout] 84d20ccbbb962436cf289f4f8e319bc591a9f5fdcdaf95dde6e936e7528411ed
[INFO] documenting ruffbox_synth-0.9.0 against beta-2023-12-22 for beta-1.76-rustdoc-1
[INFO] extracting crate ruffbox_synth 0.9.0 into /workspace/builds/worker-3-tc2/source
[INFO] validating manifest of crates.io crate ruffbox_synth 0.9.0 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 ruffbox_synth 0.9.0
[INFO] finished tweaking crates.io crate ruffbox_synth 0.9.0
[INFO] tweaked toml for crates.io crate ruffbox_synth 0.9.0 written to /workspace/builds/worker-3-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-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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] 95b0629e6f9704bc8f74957d384e4bd749a8b3bf7b1b3e75a2847b660af5f28b
[INFO] running `Command { std: "docker" "start" "-a" "95b0629e6f9704bc8f74957d384e4bd749a8b3bf7b1b3e75a2847b660af5f28b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "95b0629e6f9704bc8f74957d384e4bd749a8b3bf7b1b3e75a2847b660af5f28b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "95b0629e6f9704bc8f74957d384e4bd749a8b3bf7b1b3e75a2847b660af5f28b", kill_on_drop: false }`
[INFO] [stdout] 95b0629e6f9704bc8f74957d384e4bd749a8b3bf7b1b3e75a2847b660af5f28b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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] a1ad7010cf4408cf2caa91d0ffadb525d1ba8d6b12f1d7e371bcc26f32359619
[INFO] running `Command { std: "docker" "start" "-a" "a1ad7010cf4408cf2caa91d0ffadb525d1ba8d6b12f1d7e371bcc26f32359619", kill_on_drop: false }`
[INFO] [stderr]    Compiling num-traits v0.2.17
[INFO] [stderr]    Compiling num-integer v0.1.45
[INFO] [stderr]    Compiling crossbeam-utils v0.8.18
[INFO] [stderr]     Checking strength_reduce v0.2.4
[INFO] [stderr]    Compiling parking_lot_core v0.8.6
[INFO] [stderr]     Checking instant v0.1.12
[INFO] [stderr]     Checking hashbrown v0.14.3
[INFO] [stderr]    Compiling rustfft v6.1.0
[INFO] [stderr]     Checking parking_lot v0.11.2
[INFO] [stderr]     Checking dashmap v5.5.3
[INFO] [stderr]     Checking crossbeam-epoch v0.9.17
[INFO] [stderr]     Checking crossbeam-queue v0.3.10
[INFO] [stderr]     Checking crossbeam-channel v0.5.10
[INFO] [stderr]     Checking crossbeam-deque v0.8.4
[INFO] [stderr]     Checking crossbeam v0.8.3
[INFO] [stderr]     Checking num-complex v0.4.4
[INFO] [stderr]     Checking primal-check v0.3.3
[INFO] [stderr]     Checking transpose v0.2.2
[INFO] [stderr]     Checking chfft v0.3.4
[INFO] [stderr]     Checking realfft v2.0.1
[INFO] [stderr]     Checking rubato v0.10.1
[INFO] [stderr]  Documenting ruffbox_synth v0.9.0 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the beta release channel
[INFO] [stdout]  --> src/lib.rs:2:12
[INFO] [stdout]   |
[INFO] [stdout] 2 | #![feature(get_many_mut)]
[INFO] [stdout]   |            ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: this URL is not a hyperlink
[INFO] [stdout]  --> src/building_blocks/oscillators/brown_noise.rs:7:13
[INFO] [stdout]   |
[INFO] [stdout] 7 |  * Based on https://github.com/porres/pd-else/blob/master/Classes/Source/brown%7E.c
[INFO] [stdout]   |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use an automatic link instead: `<https://github.com/porres/pd-else/blob/master/Classes/Source/brown%7E.c>`
[INFO] [stdout]   |
[INFO] [stdout]   = note: bare URLs are not automatically turned into clickable links
[INFO] [stdout]   = note: `#[warn(rustdoc::bare_urls)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: this URL is not a hyperlink
[INFO] [stdout]   --> src/building_blocks/oscillators/fm_saw.rs:13:4
[INFO] [stdout]    |
[INFO] [stdout] 13 |  * http://scp.web.elte.hu/papers/synthesis1.pdf
[INFO] [stdout]    |    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use an automatic link instead: `<http://scp.web.elte.hu/papers/synthesis1.pdf>`
[INFO] [stdout]    |
[INFO] [stdout]    = note: bare URLs are not automatically turned into clickable links
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: this URL is not a hyperlink
[INFO] [stdout]   --> src/building_blocks/oscillators/fm_square.rs:13:4
[INFO] [stdout]    |
[INFO] [stdout] 13 |  * http://scp.web.elte.hu/papers/synthesis1.pdf
[INFO] [stdout]    |    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use an automatic link instead: `<http://scp.web.elte.hu/papers/synthesis1.pdf>`
[INFO] [stdout]    |
[INFO] [stdout]    = note: bare URLs are not automatically turned into clickable links
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: this URL is not a hyperlink
[INFO] [stdout]   --> src/building_blocks/oscillators/fm_tri.rs:13:4
[INFO] [stdout]    |
[INFO] [stdout] 13 |  * http://scp.web.elte.hu/papers/synthesis1.pdf
[INFO] [stdout]    |    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use an automatic link instead: `<http://scp.web.elte.hu/papers/synthesis1.pdf>`
[INFO] [stdout]    |
[INFO] [stdout]    = note: bare URLs are not automatically turned into clickable links
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: this URL is not a hyperlink
[INFO] [stdout]   --> src/building_blocks/oscillators/sine_osc.rs:11:4
[INFO] [stdout]    |
[INFO] [stdout] 11 |  * https://www.dsprelated.com/freebooks/pasp/Digital_Sinusoid_Generators.html
[INFO] [stdout]    |    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use an automatic link instead: `<https://www.dsprelated.com/freebooks/pasp/Digital_Sinusoid_Generators.html>`
[INFO] [stdout]    |
[INFO] [stdout]    = note: bare URLs are not automatically turned into clickable links
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 1 previous error; 5 warnings 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 `ruffbox_synth`
[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 ruffbox_synth src/lib.rs -o /opt/rustwide/target/doc --error-format=json --json=diagnostic-rendered-ansi,artifacts,future-incompat --document-private-items -C metadata=2ee22fa50473b046 -L dependency=/opt/rustwide/target/debug/deps --extern chfft=/opt/rustwide/target/debug/deps/libchfft-1116915ff3e9e9f0.rmeta --extern crossbeam=/opt/rustwide/target/debug/deps/libcrossbeam-7d16d83d146081f6.rmeta --extern dashmap=/opt/rustwide/target/debug/deps/libdashmap-0cbaac89a0d86889.rmeta --extern fastrand=/opt/rustwide/target/debug/deps/libfastrand-85eae8ee2a8ab815.rmeta --extern num_complex=/opt/rustwide/target/debug/deps/libnum_complex-b487b4c1a8075494.rmeta --extern parking_lot=/opt/rustwide/target/debug/deps/libparking_lot-9a44e335f09131f6.rmeta --extern rubato=/opt/rustwide/target/debug/deps/librubato-4f99b30820d496dc.rmeta --cap-lints=warn --crate-version 0.9.0` (exit status: 1)
[INFO] running `Command { std: "docker" "inspect" "a1ad7010cf4408cf2caa91d0ffadb525d1ba8d6b12f1d7e371bcc26f32359619", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a1ad7010cf4408cf2caa91d0ffadb525d1ba8d6b12f1d7e371bcc26f32359619", kill_on_drop: false }`
[INFO] [stdout] a1ad7010cf4408cf2caa91d0ffadb525d1ba8d6b12f1d7e371bcc26f32359619
