[INFO] cloning repository https://github.com/michaelmelanson/pinhole
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/michaelmelanson/pinhole" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmichaelmelanson%2Fpinhole", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmichaelmelanson%2Fpinhole'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] e3ec3b8d281aec2fc13776f899b0633f0f7bcef3
[INFO] documenting michaelmelanson/pinhole against 1.54.0 for beta-1.55-rustdoc-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmichaelmelanson%2Fpinhole" "/workspace/builds/worker-2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/michaelmelanson/pinhole on toolchain 1.54.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.54.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/michaelmelanson/pinhole
[INFO] finished tweaking git repo https://github.com/michaelmelanson/pinhole
[INFO] tweaked toml for git repo https://github.com/michaelmelanson/pinhole written to /workspace/builds/worker-2/source/Cargo.toml
[INFO] crate git repo https://github.com/michaelmelanson/pinhole already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.54.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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" "+1.54.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 198ebc7658ec5f624b26663fecf60ef554ea5bd9823b9cb2d52144ff0af8e1d2
[INFO] running `Command { std: "docker" "start" "-a" "198ebc7658ec5f624b26663fecf60ef554ea5bd9823b9cb2d52144ff0af8e1d2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "198ebc7658ec5f624b26663fecf60ef554ea5bd9823b9cb2d52144ff0af8e1d2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "198ebc7658ec5f624b26663fecf60ef554ea5bd9823b9cb2d52144ff0af8e1d2", kill_on_drop: false }`
[INFO] [stdout] 198ebc7658ec5f624b26663fecf60ef554ea5bd9823b9cb2d52144ff0af8e1d2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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" "+1.54.0" "doc" "--frozen" "--no-deps" "--document-private-items" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] e0b6f8079c9e0ad7f76a533a7c03afaeef7ec2c5832a9dae2b6b55aff0e1d82c
[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" "e0b6f8079c9e0ad7f76a533a7c03afaeef7ec2c5832a9dae2b6b55aff0e1d82c", kill_on_drop: false }`
[INFO] [stderr]    Compiling log v0.4.11
[INFO] [stderr]     Checking futures-io v0.3.7
[INFO] [stderr]     Checking futures-sink v0.3.7
[INFO] [stderr]     Checking ttf-parser v0.8.2
[INFO] [stderr]     Checking bit-vec v0.6.2
[INFO] [stderr]     Checking iced_core v0.2.1 (https://github.com/hecrj/iced.git#e6131783)
[INFO] [stderr]    Compiling glam v0.9.5
[INFO] [stderr]     Checking bytemuck v1.4.1
[INFO] [stderr]     Checking libloading v0.6.5
[INFO] [stderr]    Compiling wayland-sys v0.28.1
[INFO] [stderr]     Checking futures-task v0.3.7
[INFO] [stderr]    Compiling libc v0.2.80
[INFO] [stderr]     Checking async-channel v1.5.1
[INFO] [stderr]     Checking tracing v0.1.21
[INFO] [stderr]     Checking num_cpus v1.13.0
[INFO] [stderr]     Checking nb-connect v1.0.2
[INFO] [stderr]     Checking raw-window-handle v0.3.3
[INFO] [stderr]     Checking getrandom v0.1.15
[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 net2 v0.2.35
[INFO] [stderr]     Checking iovec v0.1.4
[INFO] [stderr]     Checking nix v0.18.0
[INFO] [stderr]     Checking x11 v2.18.2
[INFO] [stderr]     Checking nom v5.1.2
[INFO] [stderr]     Checking futures-lite v1.11.2
[INFO] [stderr]     Checking iced_style v0.1.0 (https://github.com/hecrj/iced.git#e6131783)
[INFO] [stderr]     Checking futures-channel v0.3.7
[INFO] [stderr]     Checking dlib v0.4.2
[INFO] [stderr]     Checking ash v0.31.0
[INFO] [stderr]     Checking gfx-hal v0.6.0
[INFO] [stderr]     Checking x11-dl v2.18.5
[INFO] [stderr]    Compiling wayland-scanner v0.28.1
[INFO] [stderr]     Checking ordered-float v1.1.0
[INFO] [stderr]     Checking euclid v0.20.14
[INFO] [stderr]     Checking bit-set v0.5.2
[INFO] [stderr]     Checking parking_lot v0.11.0
[INFO] [stderr]     Checking rand_core v0.5.1
[INFO] [stderr]    Compiling futures-macro v0.3.7
[INFO] [stderr]    Compiling thiserror-impl v1.0.22
[INFO] [stderr]    Compiling synstructure v0.12.4
[INFO] [stderr]     Checking dirs v2.0.2
[INFO] [stderr]     Checking rand_chacha v0.2.2
[INFO] [stderr]     Checking rayon-core v1.9.0
[INFO] [stderr]     Checking async-executor v1.3.0
[INFO] [stderr]     Checking blocking v1.0.2
[INFO] [stderr]     Checking serde_cbor v0.11.1
[INFO] [stderr]     Checking serde_json v1.0.59
[INFO] [stderr]     Checking owned_ttf_parser v0.8.0
[INFO] [stderr]     Checking guillotiere v0.5.2
[INFO] [stderr]     Checking rand v0.7.3
[INFO] [stderr]    Compiling jobserver v0.1.21
[INFO] [stderr]     Checking polling v2.0.2
[INFO] [stderr]     Checking kv-log-macro v1.0.7
[INFO] [stderr]     Checking pathfinder_geometry v0.5.1
[INFO] [stderr]     Checking mio v0.6.22
[INFO] [stderr]     Checking rayon v1.5.0
[INFO] [stderr]     Checking xcursor v0.3.2
[INFO] [stderr]     Checking ab_glyph v0.2.6
[INFO] [stderr]    Compiling xcb v0.9.0
[INFO] [stderr]     Checking async-io v1.1.10
[INFO] [stderr]    Compiling cc v1.0.61
[INFO] [stderr]     Checking glyph_brush_layout v0.2.1
[INFO] [stderr]    Compiling wayland-client v0.28.1
[INFO] [stderr]    Compiling wayland-protocols v0.28.1
[INFO] [stderr]     Checking twox-hash v1.6.0
[INFO] [stderr]    Compiling zerocopy-derive v0.2.0
[INFO] [stderr]     Checking async-global-executor v1.4.3
[INFO] [stderr]     Checking femme v2.1.1
[INFO] [stderr]     Checking mio-extras v2.0.6
[INFO] [stderr]     Checking gfx-backend-empty v0.6.0
[INFO] [stderr]     Checking gfx-memory v0.2.2
[INFO] [stderr]     Checking gfx-descriptor v0.2.0
[INFO] [stderr]     Checking async-std v1.7.0
[INFO] [stderr]    Compiling cmake v0.1.44
[INFO] [stderr]     Checking wayland-commons v0.28.1
[INFO] [stderr]     Checking calloop v0.6.5
[INFO] [stderr]     Checking futures-util v0.3.7
[INFO] [stderr]     Checking glyph_brush_draw_cache v0.1.3
[INFO] [stderr]    Compiling servo-freetype-sys v4.0.5
[INFO] [stderr]    Compiling expat-sys v2.1.6
[INFO] [stderr]     Checking thiserror v1.0.22
[INFO] [stderr]     Checking naga v0.2.0
[INFO] [stderr]     Checking glyph_brush v0.7.0
[INFO] [stderr]    Compiling servo-fontconfig-sys v4.0.9
[INFO] [stderr]     Checking zerocopy v0.3.0
[INFO] [stderr]     Checking freetype v0.4.1
[INFO] [stderr]     Checking servo-fontconfig v0.4.0
[INFO] [stderr]     Checking font-kit v0.6.0
[INFO] [stderr]     Checking wayland-cursor v0.28.1
[INFO] [stderr]     Checking futures-executor v0.3.7
[INFO] [stderr]     Checking futures v0.3.7
[INFO] [stderr]     Checking gfx-backend-vulkan v0.6.5
[INFO] [stderr]     Checking iced_futures v0.1.2 (https://github.com/hecrj/iced.git#e6131783)
[INFO] [stderr]     Checking pinhole-protocol v0.1.0 (/opt/rustwide/workdir/pinhole-protocol)
[INFO] [stderr]  Documenting pinhole-protocol v0.1.0 (/opt/rustwide/workdir/pinhole-protocol)
[INFO] [stderr]     Checking iced_native v0.2.2 (https://github.com/hecrj/iced.git#e6131783)
[INFO] [stderr]     Checking pinhole v0.1.0 (/opt/rustwide/workdir/pinhole-framework)
[INFO] [stderr]  Documenting pinhole v0.1.0 (/opt/rustwide/workdir/pinhole-framework)
[INFO] [stderr]     Checking wgpu-core v0.6.5
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the stable release channel
[INFO] [stdout]  --> pinhole-framework/src/lib.rs:1:1
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![feature(associated_type_defaults)]
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: Compilation failed, aborting rustdoc
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 2 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0554`.
[INFO] [stdout] 
[INFO] [stderr] error: could not document `pinhole`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustdoc --edition=2018 --crate-type lib --crate-name pinhole pinhole-framework/src/lib.rs -o /opt/rustwide/target/doc --error-format=json --json=diagnostic-rendered-ansi --document-private-items -L dependency=/opt/rustwide/target/debug/deps --extern async_std=/opt/rustwide/target/debug/deps/libasync_std-a6e3bc3f743606ac.rmeta --extern async_trait=/opt/rustwide/target/debug/deps/libasync_trait-ecd929a20c9e73d8.so --extern femme=/opt/rustwide/target/debug/deps/libfemme-3ef0c51e2e87a6e8.rmeta --extern kv_log_macro=/opt/rustwide/target/debug/deps/libkv_log_macro-77d76336dd1b1c8f.rmeta --extern log=/opt/rustwide/target/debug/deps/liblog-989299bd9ac1b4e7.rmeta --extern pinhole_protocol=/opt/rustwide/target/debug/deps/libpinhole_protocol-660fc9ac47d80a74.rmeta --cap-lints=warn --crate-version 0.1.0` (exit status: 1)
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the stable release channel
[INFO] [stdout]  --> pinhole-framework/src/lib.rs:1:1
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![feature(associated_type_defaults)]
[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: build failed
[INFO] running `Command { std: "docker" "inspect" "e0b6f8079c9e0ad7f76a533a7c03afaeef7ec2c5832a9dae2b6b55aff0e1d82c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e0b6f8079c9e0ad7f76a533a7c03afaeef7ec2c5832a9dae2b6b55aff0e1d82c", kill_on_drop: false }`
[INFO] [stdout] e0b6f8079c9e0ad7f76a533a7c03afaeef7ec2c5832a9dae2b6b55aff0e1d82c
