[INFO] cloning repository https://github.com/hellux/servim
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/hellux/servim" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fhellux%2Fservim", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fhellux%2Fservim'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 00260e021da12237ec23e73d4beb25fffb63a9eb
[INFO] documenting hellux/servim against beta-2020-08-29 for beta-1.47-rustdoc-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fhellux%2Fservim" "/workspace/builds/worker-9/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-9/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/hellux/servim on toolchain beta-2020-08-29
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-08-29" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/hellux/servim
[INFO] finished tweaking git repo https://github.com/hellux/servim
[INFO] tweaked toml for git repo https://github.com/hellux/servim written to /workspace/builds/worker-9/source/Cargo.toml
[INFO] crate git repo https://github.com/hellux/servim already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-08-29" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating git repository `https://github.com/jdm/webrender`
[INFO] [stderr]     Updating git repository `https://github.com/jdm/raqote`
[INFO] [stderr]     Updating git repository `https://github.com/servo/servo.git`
[INFO] [stderr]     Updating git repository `https://github.com/servo/media`
[INFO] [stderr]     Updating git repository `https://github.com/servo/webxr`
[INFO] [stderr]     Updating git repository `https://github.com/servo/devices`
[INFO] [stderr]     Updating git repository `https://github.com/servo/fontsan`
[INFO] [stderr]     Updating git submodule `https://github.com/khaledhosny/ots`
[INFO] [stderr]     Updating git submodule `https://github.com/google/brotli.git`
[INFO] [stderr]     Updating git submodule `https://github.com/hillbig/esaxx`
[INFO] [stderr]     Updating git submodule `https://github.com/google/googletest.git`
[INFO] [stderr]     Updating git submodule `https://github.com/lz4/lz4.git`
[INFO] [stderr]     Updating git submodule `https://github.com/google/woff2.git`
[INFO] [stderr]     Updating git submodule `https://github.com/google/brotli.git`
[INFO] [stderr]     Updating git submodule `https://github.com/hillbig/esaxx`
[INFO] [stderr]     Updating git submodule `https://github.com/madler/zlib.git`
[INFO] [stderr]     Updating git repository `https://github.com/pcwalton/signpost.git`
[INFO] [stderr]     Updating git repository `https://github.com/servo/rust-mozjs`
[INFO] [stderr]     Updating git repository `https://github.com/servo/mozjs`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded num-derive v0.3.0
[INFO] [stderr]   Downloaded surfman v0.3.0
[INFO] [stderr]   Downloaded rusttype v0.7.2
[INFO] [stderr]   Downloaded array-init v0.1.1
[INFO] [stderr]   Downloaded gstreamer v0.15.7
[INFO] [stderr]   Downloaded gstreamer-video-sys v0.8.1
[INFO] [stderr]   Downloaded byte-slice-cast v0.2.0
[INFO] [stderr]   Downloaded sparkle v0.1.25
[INFO] [stderr]   Downloaded gaol v0.2.1
[INFO] [stderr]   Downloaded gstreamer-base-sys v0.8.1
[INFO] [stderr]   Downloaded keyboard-types v0.5.0
[INFO] [stderr]   Downloaded ref_slice v1.2.0
[INFO] [stderr]   Downloaded atomic_refcell v0.1.6
[INFO] [stderr]   Downloaded time-point v0.1.1
[INFO] [stderr]   Downloaded brotli-decompressor v2.3.1
[INFO] [stderr]   Downloaded webdriver v0.40.1
[INFO] [stderr]   Downloaded gstreamer-gl-sys v0.8.1
[INFO] [stderr]   Downloaded gstreamer-video v0.15.7
[INFO] [stderr]   Downloaded warp v0.1.22
[INFO] [stderr]   Downloaded app_units v0.7.1
[INFO] [stderr]   Downloaded unicode-script v0.5.2
[INFO] [stderr]   Downloaded linked_hash_set v0.1.3
[INFO] [stderr]   Downloaded gleam v0.7.0
[INFO] [stderr]   Downloaded async-tungstenite v0.7.1
[INFO] [stderr]   Downloaded gstreamer-audio v0.15.7
[INFO] [stderr]   Downloaded encoding_c v0.9.7
[INFO] [stderr]   Downloaded enum-iterator v0.3.1
[INFO] [stderr]   Downloaded encoding_c_mem v0.2.6
[INFO] [stderr]   Downloaded ref_filter_map v1.0.1
[INFO] [stderr]   Downloaded gstreamer-app-sys v0.8.1
[INFO] [stderr]   Downloaded mitochondria v1.1.2
[INFO] [stderr]   Downloaded gstreamer-audio-sys v0.8.1
[INFO] [stderr]   Downloaded mozangle v0.2.7
[INFO] [stderr]   Downloaded unwind-sys v0.1.1
[INFO] [stderr]   Downloaded servo-fontconfig v0.5.0
[INFO] [stderr]   Downloaded gstreamer-sys v0.8.1
[INFO] [stderr]   Downloaded gstreamer-gl v0.15.0
[INFO] [stderr]   Downloaded blurmock v0.1.3
[INFO] [stderr]   Downloaded font-kit v0.10.0
[INFO] [stderr]   Downloaded swapper v0.1.0
[INFO] [stderr]   Downloaded rand_isaac v0.2.0
[INFO] [stderr]   Downloaded spirv_headers v1.4.2
[INFO] [stderr]   Downloaded build-parallel v0.1.1
[INFO] [stderr]   Downloaded rayon_croissant v0.2.0
[INFO] [stderr]   Downloaded tracy-rs v0.1.2
[INFO] [stderr]   Downloaded jemalloc-sys v0.3.2
[INFO] [stderr]   Downloaded ucd v0.1.1
[INFO] [stderr]   Downloaded enum-iterator-derive v0.3.1
[INFO] [stderr]   Downloaded moite_moite v0.2.0
[INFO] [stderr]   Downloaded sw-composite v0.7.10
[INFO] [stderr]   Downloaded truetype v0.26.2
[INFO] [stderr]   Downloaded cstr v0.1.7
[INFO] [stderr]   Downloaded hyper-openssl v0.7.1
[INFO] [stderr]   Downloaded core-text v19.0.0
[INFO] [stderr]   Downloaded content-security-policy v0.4.2
[INFO] [stderr]   Downloaded cstr-macros v0.1.6
[INFO] [stderr]   Downloaded gstreamer-base v0.15.4
[INFO] [stderr]   Downloaded glslopt v0.1.5
[INFO] [stderr]   Downloaded sig v1.0.0
[INFO] [stderr]   Downloaded loom v0.3.5
[INFO] [stderr]   Downloaded servo-fontconfig-sys v5.1.0
[INFO] [stderr]   Downloaded hyper_serde v0.11.1
[INFO] [stderr]   Downloaded immeta v0.4.0
[INFO] [stderr]   Downloaded freetype-sys v0.13.1
[INFO] [stderr]   Downloaded plane-split v0.15.0
[INFO] [stderr]   Downloaded wayland-sys v0.24.0
[INFO] [stderr]   Downloaded half v1.0.0
[INFO] [stderr]   Downloaded svg_fmt v0.4.0
[INFO] [stderr]   Downloaded gstreamer-player-sys v0.8.1
[INFO] [stderr]   Downloaded gstreamer-sdp v0.15.6
[INFO] [stderr]   Downloaded gleam v0.12.1
[INFO] [stderr]   Downloaded binary-space-partition v0.1.2
[INFO] [stderr]   Downloaded gstreamer-webrtc-sys v0.8.1
[INFO] [stderr]   Downloaded gstreamer-webrtc v0.15.5
[INFO] [stderr]   Downloaded io-surface v0.12.1
[INFO] [stderr]   Downloaded freetype v0.7.0
[INFO] [stderr]   Downloaded speexdsp-resampler v0.1.0
[INFO] [stderr]   Downloaded gstreamer-app v0.15.6
[INFO] [stderr]   Downloaded gstreamer-sdp-sys v0.8.0
[INFO] [stderr]   Downloaded surfman-chains v0.5.0
[INFO] [stderr]   Downloaded gstreamer-player v0.15.5
[INFO] [stderr]   Downloaded ipc-channel v0.14.1
[INFO] [stderr]   Downloaded leak v0.1.2
[INFO] [stderr]   Downloaded surfman-chains-api v0.2.0
[INFO] [stderr]   Downloaded smallbitvec v2.5.0
[INFO] [stderr]   Downloaded leaky-cow v0.1.1
[INFO] [stderr]   Downloaded display-link v0.2.0
[INFO] [stderr]   Downloaded uluru v0.4.0
[INFO] [stderr]   Downloaded libloading v0.6.1
[INFO] [stderr]   Downloaded accountable-refcell v0.2.0
[INFO] [stderr]   Downloaded harfbuzz-sys v0.5.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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" "rustops/crates-build-env@sha256:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-08-29" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] e25c38133cb7c2718533e90d0505d204a02da5d0596f5836a5bd7414065ef67f
[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" "e25c38133cb7c2718533e90d0505d204a02da5d0596f5836a5bd7414065ef67f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "e25c38133cb7c2718533e90d0505d204a02da5d0596f5836a5bd7414065ef67f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e25c38133cb7c2718533e90d0505d204a02da5d0596f5836a5bd7414065ef67f", kill_on_drop: false }`
[INFO] [stdout] e25c38133cb7c2718533e90d0505d204a02da5d0596f5836a5bd7414065ef67f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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" "rustops/crates-build-env@sha256:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-08-29" "doc" "--frozen" "--no-deps" "--document-private-items" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 31c94feab5c9af632e7571f47e006faf510c6f7996bf8712fd96e7eca2ac41c6
[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" "31c94feab5c9af632e7571f47e006faf510c6f7996bf8712fd96e7eca2ac41c6", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.17
[INFO] [stderr]    Compiling syn v1.0.38
[INFO] [stderr]    Compiling serde_derive v1.0.115
[INFO] [stderr]    Compiling serde v1.0.115
[INFO] [stderr]     Checking futures v0.1.28
[INFO] [stderr]    Compiling siphasher v0.3.3
[INFO] [stderr]     Checking nodrop v0.1.12
[INFO] [stderr]     Checking new_debug_unreachable v1.0.4
[INFO] [stderr]    Compiling itoa v0.4.5
[INFO] [stderr]     Checking opaque-debug v0.2.1
[INFO] [stderr]    Compiling fnv v1.0.7
[INFO] [stderr]    Compiling ident_case v1.0.0
[INFO] [stderr]     Checking precomputed-hash v0.1.1
[INFO] [stderr]     Checking base64 v0.12.0
[INFO] [stderr]     Checking mac v0.1.1
[INFO] [stderr]     Checking remove_dir_all v0.5.2
[INFO] [stderr]     Checking smallbitvec v2.5.0
[INFO] [stderr]     Checking thin-slice v0.1.1
[INFO] [stderr]    Compiling khronos_api v3.1.0
[INFO] [stderr]    Compiling libloading v0.6.1
[INFO] [stderr]    Compiling same-file v1.0.6
[INFO] [stderr]    Compiling rayon-core v1.7.1
[INFO] [stderr]     Checking getopts v0.2.17
[INFO] [stderr]     Checking once_cell v1.4.1
[INFO] [stderr]    Compiling unicode-width v0.1.8
[INFO] [stderr]     Checking servo-media-traits v0.1.0 (https://github.com/servo/media#cdf82da4)
[INFO] [stderr]    Compiling arrayvec v0.4.12
[INFO] [stderr]    Compiling quick-error v1.2.1
[INFO] [stderr]    Compiling vec_map v0.8.2
[INFO] [stderr]    Compiling bindgen v0.53.3
[INFO] [stderr]    Compiling fs_extra v1.1.0
[INFO] [stderr]     Checking ordermap v0.3.5
[INFO] [stderr]     Checking boxfnonce v0.1.1
[INFO] [stderr]     Checking atomic_refcell v0.1.6
[INFO] [stderr]    Compiling gstreamer v0.15.7
[INFO] [stderr]     Checking speexdsp-resampler v0.1.0
[INFO] [stderr]     Checking byte-slice-cast v0.2.0
[INFO] [stderr]     Checking muldiv v0.2.1
[INFO] [stderr]     Checking signpost v0.1.0 (https://github.com/pcwalton/signpost.git#7ed71250)
[INFO] [stderr]     Checking scoped-tls v1.0.0
[INFO] [stderr]     Checking downcast-rs v1.1.1
[INFO] [stderr]     Checking urlencoding v1.1.1
[INFO] [stderr]     Checking copyless v0.1.4
[INFO] [stderr]    Compiling gstreamer-base v0.15.4
[INFO] [stderr]    Compiling cfg_aliases v0.1.0
[INFO] [stderr]    Compiling gimli v0.22.0
[INFO] [stderr]    Compiling encoding_c v0.9.7
[INFO] [stderr]    Compiling encoding_c_mem v0.2.6
[INFO] [stderr]    Compiling adler v0.2.3
[INFO] [stderr]     Checking ucd v0.1.1
[INFO] [stderr]    Compiling object v0.20.0
[INFO] [stderr]    Compiling gstreamer-video v0.15.7
[INFO] [stderr]     Checking xi-unicode v0.1.0
[INFO] [stderr]     Checking unicode-script v0.5.2
[INFO] [stderr]     Checking surfman-chains-api v0.2.0
[INFO] [stderr]    Compiling native-tls v0.2.4
[INFO] [stderr]    Compiling procedural-masquerade v0.1.7
[INFO] [stderr]     Checking opaque-debug v0.3.0
[INFO] [stderr]     Checking binary-space-partition v0.1.2
[INFO] [stderr]     Checking cpuid-bool v0.1.2
[INFO] [stderr]     Checking svg_fmt v0.4.0
[INFO] [stderr]     Checking sw-composite v0.7.10
[INFO] [stderr]    Compiling hyper-openssl v0.7.1
[INFO] [stderr]    Compiling gstreamer-sdp v0.15.6
[INFO] [stderr]     Checking tracy-rs v0.1.2
[INFO] [stderr]    Compiling gstreamer-gl v0.15.0
[INFO] [stderr]     Checking moite_moite v0.2.0
[INFO] [stderr]     Checking take_mut v0.2.2
[INFO] [stderr]    Compiling net v0.0.1 (https://github.com/servo/servo.git?rev=84185eb#84185eb1)
[INFO] [stderr]     Checking mitochondria v1.1.2
[INFO] [stderr]     Checking half v1.0.0
[INFO] [stderr]     Checking antidote v1.0.0
[INFO] [stderr]    Compiling gstreamer-audio v0.15.7
[INFO] [stderr]    Compiling gstreamer-player v0.15.5
[INFO] [stderr]    Compiling gstreamer-webrtc v0.15.5
[INFO] [stderr]    Compiling gstreamer-app v0.15.6
[INFO] [stderr]     Checking rle-decode-fast v1.0.1
[INFO] [stderr]     Checking array-init v0.1.1
[INFO] [stderr]    Compiling script_plugins v0.0.1 (https://github.com/servo/servo.git?rev=84185eb#84185eb1)
[INFO] [stderr]     Checking ref_filter_map v1.0.1
[INFO] [stderr]     Checking ref_slice v1.2.0
[INFO] [stderr]     Checking swapper v0.1.0
[INFO] [stdout] error[E0463]: can't find crate for `rustc_ast`
[INFO] [stdout]   --> /opt/rustwide/cargo-home/git/checkouts/servo-12bfca331f128de3/84185eb/components/script_plugins/lib.rs:22:1
[INFO] [stdout]    |
[INFO] [stdout] 22 | extern crate rustc_ast;
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^^^^^^ can't find crate
[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 E0463`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `script_plugins`.
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: build failed
[INFO] running `Command { std: "docker" "inspect" "31c94feab5c9af632e7571f47e006faf510c6f7996bf8712fd96e7eca2ac41c6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "31c94feab5c9af632e7571f47e006faf510c6f7996bf8712fd96e7eca2ac41c6", kill_on_drop: false }`
[INFO] [stdout] 31c94feab5c9af632e7571f47e006faf510c6f7996bf8712fd96e7eca2ac41c6