[INFO] fetching crate servo-skia 0.30000023.1...
[INFO] documenting servo-skia-0.30000023.1 against beta-2020-08-29 for beta-1.47-rustdoc-1
[INFO] extracting crate servo-skia 0.30000023.1 into /workspace/builds/worker-7/source
[INFO] validating manifest of crates.io crate servo-skia 0.30000023.1 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 crates.io crate servo-skia 0.30000023.1
[INFO] finished tweaking crates.io crate servo-skia 0.30000023.1
[INFO] tweaked toml for crates.io crate servo-skia 0.30000023.1 written to /workspace/builds/worker-7/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-08-29" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[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]  Downloading crates ...
[INFO] [stderr]   Downloaded io-surface v0.12.1
[INFO] [stderr]   Downloaded glx v0.2.6
[INFO] [stderr]   Downloaded gleam v0.7.0
[INFO] [stderr]   Downloaded servo-egl v0.2.1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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] 6075c43b0d7ea9afa9835683fd9fca7f14c23dbf58e1916130c3270004b333b6
[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" "6075c43b0d7ea9afa9835683fd9fca7f14c23dbf58e1916130c3270004b333b6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "6075c43b0d7ea9afa9835683fd9fca7f14c23dbf58e1916130c3270004b333b6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6075c43b0d7ea9afa9835683fd9fca7f14c23dbf58e1916130c3270004b333b6", kill_on_drop: false }`
[INFO] [stdout] 6075c43b0d7ea9afa9835683fd9fca7f14c23dbf58e1916130c3270004b333b6
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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] 2135e82d436012876ac7b34c1fda11c7659511a118071ac949187c1a90f1192d
[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" "2135e82d436012876ac7b34c1fda11c7659511a118071ac949187c1a90f1192d", kill_on_drop: false }`
[INFO] [stderr]    Compiling servo-skia v0.30000023.1 (/opt/rustwide/workdir)
[INFO] [stderr]    Compiling expat-sys v2.1.6
[INFO] [stderr]    Compiling servo-freetype-sys v4.0.5
[INFO] [stderr]     Checking euclid v0.20.14
[INFO] [stderr]    Compiling gl_generator v0.13.1
[INFO] [stderr]     Checking x11 v2.18.2
[INFO] [stderr]    Compiling servo-fontconfig-sys v4.0.9
[INFO] [stderr]    Compiling gleam v0.7.0
[INFO] [stderr]    Compiling glx v0.2.6
[INFO] [stderr]  Documenting servo-skia v0.30000023.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unnecessary parentheses around function argument
[INFO] [stdout]   --> src/gl_rasterization_context_glx.rs:69:32
[INFO] [stdout]    |
[INFO] [stdout] 69 | ...                   0, (self.gl_context.size.height - self.size.height),
[INFO] [stdout]    |                          ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_parens)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2m 00s
[INFO] running `Command { std: "docker" "inspect" "2135e82d436012876ac7b34c1fda11c7659511a118071ac949187c1a90f1192d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2135e82d436012876ac7b34c1fda11c7659511a118071ac949187c1a90f1192d", kill_on_drop: false }`
[INFO] [stdout] 2135e82d436012876ac7b34c1fda11c7659511a118071ac949187c1a90f1192d