[INFO] cloning repository https://github.com/Limeth/dvsynth
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/Limeth/dvsynth" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FLimeth%2Fdvsynth", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FLimeth%2Fdvsynth'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 1c3a4faac0711083eafb7f748d55d70f19f35007
[INFO] documenting Limeth/dvsynth against beta-2021-08-01 for beta-1.55-rustdoc-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FLimeth%2Fdvsynth" "/workspace/builds/worker-12/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-12/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/Limeth/dvsynth on toolchain beta-2021-08-01
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-08-01" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/Limeth/dvsynth
[INFO] finished tweaking git repo https://github.com/Limeth/dvsynth
[INFO] tweaked toml for git repo https://github.com/Limeth/dvsynth written to /workspace/builds/worker-12/source/Cargo.toml
[INFO] crate git repo https://github.com/Limeth/dvsynth already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-08-01" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating git repository `https://github.com/Limeth/iced.git`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded error-code v2.0.2
[INFO] [stderr]   Downloaded lyon_algorithms v0.16.0
[INFO] [stderr]   Downloaded lyon v0.16.2
[INFO] [stderr]   Downloaded wasm-bindgen-futures v0.4.18
[INFO] [stderr]   Downloaded bytemuck_derive v1.0.0
[INFO] [stderr]   Downloaded pin-project-lite v0.1.10
[INFO] [stderr]   Downloaded wgpu v0.6.0
[INFO] [stderr]   Downloaded xi-unicode v0.2.1
[INFO] [stderr]   Downloaded gfx-auxil v0.6.0
[INFO] [stderr]   Downloaded font-kit v0.8.0
[INFO] [stderr]   Downloaded owned_ttf_parser v0.8.0
[INFO] [stderr]   Downloaded ttf-parser v0.8.2
[INFO] [stderr]   Downloaded crossbeam-queue v0.3.1
[INFO] [stderr]   Downloaded flume v0.9.1
[INFO] [stderr]   Downloaded wayland-scanner v0.28.1
[INFO] [stderr]   Downloaded core-graphics v0.22.1
[INFO] [stderr]   Downloaded ndk v0.2.0
[INFO] [stderr]   Downloaded andrew v0.3.0
[INFO] [stderr]   Downloaded clipboard_macos v0.1.0
[INFO] [stderr]   Downloaded wayland-cursor v0.27.0
[INFO] [stderr]   Downloaded crossbeam v0.8.0
[INFO] [stderr]   Downloaded euclid v0.22.1
[INFO] [stderr]   Downloaded syn v1.0.43
[INFO] [stderr]   Downloaded spirv_cross v0.21.0
[INFO] [stderr]   Downloaded clipboard_wayland v0.1.1
[INFO] [stderr]   Downloaded smithay-clipboard v0.5.2
[INFO] [stderr]   Downloaded clipboard_x11 v0.1.0
[INFO] [stderr]   Downloaded str-buf v1.0.4
[INFO] [stderr]   Downloaded gfx-backend-metal v0.6.3
[INFO] [stderr]   Downloaded wgpu_glyph v0.10.0
[INFO] [stderr]   Downloaded smithay-client-toolkit v0.11.0
[INFO] [stderr]   Downloaded gfx-backend-vulkan v0.6.3
[INFO] [stderr]   Downloaded wayland-protocols v0.28.1
[INFO] [stderr]   Downloaded cmake v0.1.44
[INFO] [stderr]   Downloaded glyph_brush_layout v0.2.0
[INFO] [stderr]   Downloaded dodrio v0.2.0
[INFO] [stderr]   Downloaded wayland-protocols v0.27.0
[INFO] [stderr]   Downloaded wayland-sys v0.27.0
[INFO] [stderr]   Downloaded window_clipboard v0.1.2
[INFO] [stderr]   Downloaded wayland-commons v0.28.1
[INFO] [stderr]   Downloaded bytemuck v1.4.1
[INFO] [stderr]   Downloaded wgpu-core v0.6.4
[INFO] [stderr]   Downloaded wayland-cursor v0.28.1
[INFO] [stderr]   Downloaded servo-fontconfig-sys v4.0.9
[INFO] [stderr]   Downloaded wayland-scanner v0.27.0
[INFO] [stderr]   Downloaded ndk-glue v0.2.0
[INFO] [stderr]   Downloaded gfx-memory v0.2.0
[INFO] [stderr]   Downloaded lyon_tessellation v0.16.2
[INFO] [stderr]   Downloaded glyph_brush_draw_cache v0.1.2
[INFO] [stderr]   Downloaded clipboard-win v4.0.3
[INFO] [stderr]   Downloaded gfx-backend-dx11 v0.6.4
[INFO] [stderr]   Downloaded wayland-client v0.28.1
[INFO] [stderr]   Downloaded js-sys v0.3.45
[INFO] [stderr]   Downloaded glam v0.10.0
[INFO] [stderr]   Downloaded core-foundation-sys v0.8.1
[INFO] [stderr]   Downloaded ndk-sys v0.2.0
[INFO] [stderr]   Downloaded winit v0.23.0
[INFO] [stderr]   Downloaded wayland-client v0.27.0
[INFO] [stderr]   Downloaded wayland-commons v0.27.0
[INFO] [stderr]   Downloaded libloading v0.6.4
[INFO] [stderr]   Downloaded xcursor v0.3.2
[INFO] [stderr]   Downloaded vek v0.12.0
[INFO] [stderr]   Downloaded smithay-client-toolkit v0.12.0
[INFO] [stderr]   Downloaded lyon_geom v0.16.2
[INFO] [stderr] warning: spurious network error (2 tries remaining): [55] Failed sending data to the peer (Connection died, tried 5 times before giving up)
[INFO] [stderr]   Downloaded loom v0.3.6
[INFO] [stderr]   Downloaded sharded-slab v0.1.0
[INFO] [stderr]   Downloaded dyn-clone v1.0.3
[INFO] [stderr]   Downloaded spinning_top v0.2.2
[INFO] [stderr]   Downloaded longest-increasing-subsequence v0.1.0
[INFO] [stderr]   Downloaded zerocopy-derive v0.2.0
[INFO] [stderr]   Downloaded ordered-float v2.0.0
[INFO] [stderr]   Downloaded ab_glyph v0.2.5
[INFO] [stderr]   Downloaded gfx-backend-dx12 v0.6.6
[INFO] [stderr]   Downloaded glyph_brush v0.7.0
[INFO] [stderr]   Downloaded zerocopy v0.3.0
[INFO] [stderr]   Downloaded core-text v15.0.0
[INFO] [stderr]   Downloaded lyon_path v0.16.2
[INFO] [stderr]   Downloaded futures-executor v0.3.6
[INFO] [stderr]   Downloaded web-sys v0.3.45
[INFO] [stderr]   Downloaded wayland-sys v0.28.1
[INFO] [stderr]   Downloaded paste v1.0.2
[INFO] [stderr]   Downloaded generator v0.6.23
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-08-01" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 2811e29f4b0d4b595df24713d1c6858f6931a197dfb60bbe295bdfacfd0f8650
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "2811e29f4b0d4b595df24713d1c6858f6931a197dfb60bbe295bdfacfd0f8650", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "2811e29f4b0d4b595df24713d1c6858f6931a197dfb60bbe295bdfacfd0f8650", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2811e29f4b0d4b595df24713d1c6858f6931a197dfb60bbe295bdfacfd0f8650", kill_on_drop: false }`
[INFO] [stdout] 2811e29f4b0d4b595df24713d1c6858f6931a197dfb60bbe295bdfacfd0f8650
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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" "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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-08-01" "doc" "--frozen" "--no-deps" "--document-private-items" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] f66b661c8b701c7bcba9901bd0ad3743854fabd7156ec0639c7443bde5eb6ef9
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "f66b661c8b701c7bcba9901bd0ad3743854fabd7156ec0639c7443bde5eb6ef9", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.79
[INFO] [stderr]    Compiling syn v1.0.43
[INFO] [stderr]     Checking once_cell v1.4.1
[INFO] [stderr]    Compiling pin-project-internal v0.4.26
[INFO] [stderr]     Checking futures-sink v0.3.6
[INFO] [stderr]     Checking futures-core v0.3.6
[INFO] [stderr]     Checking futures-io v0.3.6
[INFO] [stderr]     Checking ttf-parser v0.8.2
[INFO] [stderr]     Checking atom v0.3.6
[INFO] [stderr]     Checking pin-project-lite v0.1.10
[INFO] [stderr]     Checking iced_core v0.2.1 (https://github.com/Limeth/iced.git?branch=feature-event-handler#e4003898)
[INFO] [stderr]    Compiling winit v0.23.0
[INFO] [stderr]    Compiling serde_derive v1.0.116
[INFO] [stderr]    Compiling serde v1.0.116
[INFO] [stderr]     Checking svg_fmt v0.4.1
[INFO] [stderr]     Checking dyn-clone v1.0.3
[INFO] [stderr]     Checking safe-transmute v0.11.0
[INFO] [stderr]    Compiling paste v1.0.2
[INFO] [stderr]    Compiling crossbeam-utils v0.8.1
[INFO] [stderr]    Compiling num-integer v0.1.43
[INFO] [stderr]     Checking libloading v0.6.4
[INFO] [stderr]    Compiling wayland-sys v0.27.0
[INFO] [stderr]    Compiling wayland-sys v0.28.1
[INFO] [stderr]    Compiling glam v0.10.0
[INFO] [stderr]     Checking futures-channel v0.3.6
[INFO] [stderr]     Checking hibitset v0.6.3
[INFO] [stderr]     Checking futures-task v0.3.6
[INFO] [stderr]     Checking spinning_top v0.2.2
[INFO] [stderr]     Checking tracing v0.1.21
[INFO] [stderr]     Checking iced_style v0.1.0 (https://github.com/Limeth/iced.git?branch=feature-event-handler#e4003898)
[INFO] [stderr]     Checking dlib v0.4.2
[INFO] [stderr]     Checking ash v0.31.0
[INFO] [stderr]    Compiling pathfinder_simd v0.5.0
[INFO] [stderr]    Compiling vek v0.12.0
[INFO] [stderr]     Checking euclid v0.22.1
[INFO] [stderr]     Checking sid v0.6.1
[INFO] [stderr]     Checking approx v0.3.2
[INFO] [stderr]     Checking spirv_headers v1.5.0
[INFO] [stderr]     Checking num-traits v0.1.43
[INFO] [stderr]     Checking ordered-float v1.1.0
[INFO] [stderr]     Checking ordered-float v2.0.0
[INFO] [stderr]     Checking petgraph v0.5.1
[INFO] [stderr]    Compiling wayland-scanner v0.27.0
[INFO] [stderr]    Compiling wayland-scanner v0.28.1
[INFO] [stderr]     Checking xcursor v0.3.2
[INFO] [stderr]     Checking flume v0.9.1
[INFO] [stderr]     Checking line_drawing v0.8.0
[INFO] [stderr]     Checking andrew v0.3.0
[INFO] [stderr]     Checking owned_ttf_parser v0.8.0
[INFO] [stderr]     Checking lyon_geom v0.16.2
[INFO] [stderr]     Checking guillotiere v0.6.0
[INFO] [stderr]     Checking ab_glyph v0.2.5
[INFO] [stderr]     Checking crossbeam-epoch v0.9.1
[INFO] [stderr]     Checking crossbeam-channel v0.5.0
[INFO] [stderr]     Checking crossbeam-queue v0.3.1
[INFO] [stderr]     Checking pathfinder_geometry v0.5.1
[INFO] [stderr]     Checking glyph_brush_layout v0.2.0
[INFO] [stderr]     Checking crossbeam-deque v0.8.0
[INFO] [stderr]     Checking lyon_path v0.16.2
[INFO] [stderr]    Compiling wayland-client v0.28.1
[INFO] [stderr]    Compiling wayland-protocols v0.28.1
[INFO] [stderr]    Compiling wayland-client v0.27.0
[INFO] [stderr]    Compiling wayland-protocols v0.27.0
[INFO] [stderr]     Checking crossbeam v0.8.0
[INFO] [stderr]     Checking lyon_algorithms v0.16.0
[INFO] [stderr]     Checking lyon_tessellation v0.16.2
[INFO] [stderr]    Compiling jobserver v0.1.21
[INFO] [stderr]     Checking num_cpus v1.13.0
[INFO] [stderr]     Checking raw-window-handle v0.3.3
[INFO] [stderr]     Checking nix v0.18.0
[INFO] [stderr]     Checking getrandom v0.1.15
[INFO] [stderr]     Checking nix v0.17.0
[INFO] [stderr]     Checking parking_lot_core v0.8.0
[INFO] [stderr]     Checking memmap v0.7.0
[INFO] [stderr]     Checking dirs-sys v0.3.5
[INFO] [stderr]     Checking x11 v2.18.2
[INFO] [stderr]     Checking net2 v0.2.35
[INFO] [stderr]     Checking iovec v0.1.4
[INFO] [stderr]     Checking x11-dl v2.18.5
[INFO] [stderr]    Compiling xcb v0.9.0
[INFO] [stderr]    Compiling cc v1.0.61
[INFO] [stderr]     Checking gfx-hal v0.6.0
[INFO] [stderr]     Checking rayon-core v1.8.1
[INFO] [stderr]     Checking rand_core v0.5.1
[INFO] [stderr]     Checking dirs v2.0.2
[INFO] [stderr]     Checking parking_lot v0.11.0
[INFO] [stderr]     Checking mio v0.6.22
[INFO] [stderr]     Checking lyon v0.16.2
[INFO] [stderr]     Checking rand_chacha v0.2.2
[INFO] [stderr]    Compiling cmake v0.1.44
[INFO] [stderr]     Checking rayon v1.4.1
[INFO] [stderr]     Checking rand v0.7.3
[INFO] [stderr]     Checking mio-extras v2.0.6
[INFO] [stderr]    Compiling servo-freetype-sys v4.0.5
[INFO] [stderr]    Compiling expat-sys v2.1.6
[INFO] [stderr]     Checking twox-hash v1.5.0
[INFO] [stderr]    Compiling synstructure v0.12.4
[INFO] [stderr]    Compiling servo-fontconfig-sys v4.0.9
[INFO] [stderr]     Checking freetype v0.4.1
[INFO] [stderr]     Checking servo-fontconfig v0.4.0
[INFO] [stderr]     Checking gfx-backend-empty v0.6.0
[INFO] [stderr]     Checking gfx-descriptor v0.2.0
[INFO] [stderr]     Checking gfx-memory v0.2.0
[INFO] [stderr]     Checking glyph_brush_draw_cache v0.1.2
[INFO] [stderr]     Checking font-kit v0.8.0
[INFO] [stderr]     Checking glyph_brush v0.7.0
[INFO] [stderr]     Checking wayland-commons v0.27.0
[INFO] [stderr]     Checking wayland-commons v0.28.1
[INFO] [stderr]     Checking calloop v0.6.5
[INFO] [stderr]    Compiling futures-macro v0.3.6
[INFO] [stderr]    Compiling thiserror-impl v1.0.21
[INFO] [stderr]    Compiling bytemuck_derive v1.0.0
[INFO] [stderr]    Compiling zerocopy-derive v0.2.0
[INFO] [stderr]     Checking wayland-cursor v0.27.0
[INFO] [stderr]     Checking wayland-cursor v0.28.1
[INFO] [stderr]     Checking bytemuck v1.4.1
[INFO] [stderr]     Checking zerocopy v0.3.0
[INFO] [stderr]     Checking gfx-backend-vulkan v0.6.3
[INFO] [stderr]     Checking thiserror v1.0.21
[INFO] [stderr]     Checking pin-project v0.4.26
[INFO] [stderr]     Checking naga v0.2.0
[INFO] [stderr]     Checking futures-util v0.3.6
[INFO] [stderr]     Checking clipboard_x11 v0.1.0
[INFO] [stderr]     Checking wgpu-core v0.6.4
[INFO] [stderr]     Checking futures-executor v0.3.6
[INFO] [stderr]     Checking futures v0.3.6
[INFO] [stderr]     Checking iced_futures v0.1.2 (https://github.com/Limeth/iced.git?branch=feature-event-handler#e4003898)
[INFO] [stderr]     Checking wgpu v0.6.0
[INFO] [stderr]     Checking iced_native v0.2.2 (https://github.com/Limeth/iced.git?branch=feature-event-handler#e4003898)
[INFO] [stderr]     Checking wgpu_glyph v0.10.0
[INFO] [stderr]     Checking iced_graphics v0.1.0 (https://github.com/Limeth/iced.git?branch=feature-event-handler#e4003898)
[INFO] [stderr]     Checking iced_wgpu v0.2.2 (https://github.com/Limeth/iced.git?branch=feature-event-handler#e4003898)
[INFO] [stderr]     Checking smithay-client-toolkit v0.11.0
[INFO] [stderr]     Checking smithay-client-toolkit v0.12.0
[INFO] [stderr]     Checking smithay-clipboard v0.5.2
[INFO] [stderr]     Checking clipboard_wayland v0.1.1
[INFO] [stderr]     Checking window_clipboard v0.1.2
[INFO] [stderr]     Checking iced_winit v0.1.1 (https://github.com/Limeth/iced.git?branch=feature-event-handler#e4003898)
[INFO] [stderr]     Checking iced v0.1.1 (https://github.com/Limeth/iced.git?branch=feature-event-handler#e4003898)
[INFO] [stderr]  Documenting dvsynth v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0433]: failed to resolve: could not find `raw` in `std`
[INFO] [stdout]   --> src/node/behaviour.rs:79:50
[INFO] [stdout]    |
[INFO] [stdout] 79 |     unsafe fn as_trait_object(&mut self) -> std::raw::TraitObject {
[INFO] [stdout]    |                                                  ^^^ could not find `raw` in `std`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the beta release channel
[INFO] [stdout]  --> src/main.rs:1:1
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![feature(array_windows)]
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the beta release channel
[INFO] [stdout]  --> src/main.rs:2:1
[INFO] [stdout]   |
[INFO] [stdout] 2 | #![feature(associated_type_bounds)]
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the beta release channel
[INFO] [stdout]  --> src/main.rs:3:1
[INFO] [stdout]   |
[INFO] [stdout] 3 | #![feature(never_type)]
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the beta release channel
[INFO] [stdout]  --> src/main.rs:4:1
[INFO] [stdout]   |
[INFO] [stdout] 4 | #![feature(raw)]
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the beta release channel
[INFO] [stdout]  --> src/main.rs:5:1
[INFO] [stdout]   |
[INFO] [stdout] 5 | #![feature(generic_associated_types)]
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the beta release channel
[INFO] [stdout]  --> src/main.rs:6:1
[INFO] [stdout]   |
[INFO] [stdout] 6 | #![feature(negative_impls)]
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the beta release channel
[INFO] [stdout]  --> src/main.rs:7:1
[INFO] [stdout]   |
[INFO] [stdout] 7 | #![feature(const_fn_floating_point_arithmetic)]
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the beta release channel
[INFO] [stdout]  --> src/main.rs:8:1
[INFO] [stdout]   |
[INFO] [stdout] 8 | #![feature(bindings_after_at)]
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the beta release channel
[INFO] [stdout]  --> src/main.rs:9:1
[INFO] [stdout]   |
[INFO] [stdout] 9 | #![feature(iterator_fold_self)]
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the beta release channel
[INFO] [stdout]   --> src/main.rs:10:1
[INFO] [stdout]    |
[INFO] [stdout] 10 | #![feature(trivial_bounds)]
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the beta release channel
[INFO] [stdout]   --> src/main.rs:11:1
[INFO] [stdout]    |
[INFO] [stdout] 11 | #![feature(associated_type_defaults)]
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the beta release channel
[INFO] [stdout]   --> src/main.rs:12:1
[INFO] [stdout]    |
[INFO] [stdout] 12 | #![feature(trait_alias)]
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: Compilation failed, aborting rustdoc
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 14 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0433, E0554.
[INFO] [stdout] 
[INFO] [stdout] For more information about an error, try `rustc --explain E0433`.
[INFO] [stdout] 
[INFO] [stderr] error: could not document `dvsynth`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustdoc --edition=2018 --crate-type bin --crate-name dvsynth src/main.rs -o /opt/rustwide/target/doc --cfg 'feature="default"' --error-format=json --json=diagnostic-rendered-ansi --document-private-items -L dependency=/opt/rustwide/target/debug/deps --extern arc_swap=/opt/rustwide/target/debug/deps/libarc_swap-fa66a12e9a325838.rmeta --extern byteorder=/opt/rustwide/target/debug/deps/libbyteorder-c605bb9f4f40a95b.rmeta --extern crossbeam=/opt/rustwide/target/debug/deps/libcrossbeam-5cd2cf1530f2295b.rmeta --extern downcast_rs=/opt/rustwide/target/debug/deps/libdowncast_rs-aa01796cda91c4ec.rmeta --extern dyn_clone=/opt/rustwide/target/debug/deps/libdyn_clone-eff1b57d8f86ae7a.rmeta --extern flume=/opt/rustwide/target/debug/deps/libflume-98efbdd8940acb79.rmeta --extern iced=/opt/rustwide/target/debug/deps/libiced-68f6c838c9cc7778.rmeta --extern iced_futures=/opt/rustwide/target/debug/deps/libiced_futures-d29af3c38b96b782.rmeta --extern iced_graphics=/opt/rustwide/target/debug/deps/libiced_graphics-040c3eec0f971b2c.rmeta --extern iced_native=/opt/rustwide/target/debug/deps/libiced_native-fb63772cef33f564.rmeta --extern iced_wgpu=/opt/rustwide/target/debug/deps/libiced_wgpu-afb8d6b7129193d7.rmeta --extern iced_winit=/opt/rustwide/target/debug/deps/libiced_winit-526a0c6f043979ea.rmeta --extern indexmap=/opt/rustwide/target/debug/deps/libindexmap-c45634d92b37662f.rmeta --extern lazy_static=/opt/rustwide/target/debug/deps/liblazy_static-5e37eee3e84fafab.rmeta --extern lyon_geom=/opt/rustwide/target/debug/deps/liblyon_geom-fac7adac47c506ac.rmeta --extern ordered_float=/opt/rustwide/target/debug/deps/libordered_float-a01b113d84b5da86.rmeta --extern paste=/opt/rustwide/target/debug/deps/libpaste-760603e469ff3596.so --extern petgraph=/opt/rustwide/target/debug/deps/libpetgraph-28a681bf9ba3ed13.rmeta --extern roots=/opt/rustwide/target/debug/deps/libroots-b9cca96748ab344b.rmeta --extern safe_transmute=/opt/rustwide/target/debug/deps/libsafe_transmute-71c760182663c2ed.rmeta --extern sharded_slab=/opt/rustwide/target/debug/deps/libsharded_slab-f0219a737d27e376.rmeta --extern smallvec=/opt/rustwide/target/debug/deps/libsmallvec-0b0a44607bbb600d.rmeta --extern static_assertions=/opt/rustwide/target/debug/deps/libstatic_assertions-d349298a6426b9af.rmeta --extern vek=/opt/rustwide/target/debug/deps/libvek-6dca86e77029ce04.rmeta --cap-lints=warn --crate-version 0.1.0` (exit status: 1)
[INFO] running `Command { std: "docker" "inspect" "f66b661c8b701c7bcba9901bd0ad3743854fabd7156ec0639c7443bde5eb6ef9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f66b661c8b701c7bcba9901bd0ad3743854fabd7156ec0639c7443bde5eb6ef9", kill_on_drop: false }`
[INFO] [stdout] f66b661c8b701c7bcba9901bd0ad3743854fabd7156ec0639c7443bde5eb6ef9
