[INFO] fetching crate webkit2gtk 0.10.0...
[INFO] documenting webkit2gtk-0.10.0 against beta-2020-08-29 for beta-1.47-rustdoc-1
[INFO] extracting crate webkit2gtk 0.10.0 into /workspace/builds/worker-9/source
[INFO] validating manifest of crates.io crate webkit2gtk 0.10.0 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 webkit2gtk 0.10.0
[INFO] finished tweaking crates.io crate webkit2gtk 0.10.0
[INFO] tweaked toml for crates.io crate webkit2gtk 0.10.0 written to /workspace/builds/worker-9/source/Cargo.toml
[INFO] crate crates.io crate webkit2gtk 0.10.0 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]  Downloading crates ...
[INFO] [stderr]   Downloaded webkit2gtk-sys v0.12.0
[INFO] [stderr]   Downloaded javascriptcore-rs v0.10.0
[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] e3a536079724b41412fe980763e1df277989f07f58d94f5918daadcc2658c349
[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" "e3a536079724b41412fe980763e1df277989f07f58d94f5918daadcc2658c349", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "e3a536079724b41412fe980763e1df277989f07f58d94f5918daadcc2658c349", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e3a536079724b41412fe980763e1df277989f07f58d94f5918daadcc2658c349", kill_on_drop: false }`
[INFO] [stdout] e3a536079724b41412fe980763e1df277989f07f58d94f5918daadcc2658c349
[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] 54aff572da645d0f1896558e3155119afe606170691d0de5272826b92493050e
[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" "54aff572da645d0f1896558e3155119afe606170691d0de5272826b92493050e", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v1.0.34
[INFO] [stderr]    Compiling gio v0.9.0
[INFO] [stderr]    Compiling pango v0.9.0
[INFO] [stderr]    Compiling gdk v0.13.0
[INFO] [stderr]    Compiling gtk v0.9.0
[INFO] [stderr]    Compiling webkit2gtk-sys v0.12.0
[INFO] [stderr]     Checking futures-task v0.3.5
[INFO] [stderr]    Compiling serde v1.0.114
[INFO] [stderr]     Checking javascriptcore-rs-sys v0.2.0
[INFO] [stderr]    Compiling anyhow v1.0.31
[INFO] [stderr]    Compiling toml v0.5.6
[INFO] [stderr]    Compiling syn-mid v0.5.0
[INFO] [stderr]    Compiling proc-macro-crate v0.1.5
[INFO] [stderr]    Compiling thiserror-impl v1.0.20
[INFO] [stderr]    Compiling strum_macros v0.18.0
[INFO] [stderr]    Compiling pin-project-internal v0.4.22
[INFO] [stderr]    Compiling futures-macro v0.3.5
[INFO] [stderr]    Compiling proc-macro-error-attr v1.0.3
[INFO] [stderr]    Compiling proc-macro-error v1.0.3
[INFO] [stderr]    Compiling glib-macros v0.10.1
[INFO] [stderr]    Compiling thiserror v1.0.20
[INFO] [stderr]    Compiling system-deps v1.3.2
[INFO] [stderr]     Checking pin-project v0.4.22
[INFO] [stderr]     Checking futures-util v0.3.5
[INFO] [stderr]    Compiling glib-sys v0.10.0
[INFO] [stderr]    Compiling gobject-sys v0.10.0
[INFO] [stderr]    Compiling gio-sys v0.10.0
[INFO] [stderr]    Compiling pango-sys v0.10.0
[INFO] [stderr]    Compiling cairo-sys-rs v0.10.0
[INFO] [stderr]    Compiling gdk-pixbuf-sys v0.10.0
[INFO] [stderr]    Compiling gdk-sys v0.10.0
[INFO] [stderr]    Compiling atk-sys v0.10.0
[INFO] [stderr]    Compiling gtk-sys v0.10.0
[INFO] [stderr]    Compiling soup-sys v0.10.0
[INFO] [stderr]    Compiling atk v0.9.0
[INFO] [stderr]    Compiling cairo-rs v0.9.1
[INFO] [stderr]    Compiling gdk-pixbuf v0.9.0
[INFO] [stderr]     Checking futures-executor v0.3.5
[INFO] [stderr]     Checking glib v0.10.1
[INFO] [stderr]     Checking futures v0.3.5
[INFO] [stderr]     Checking javascriptcore-rs v0.10.0
[INFO] [stderr]  Documenting webkit2gtk v0.10.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2m 48s
[INFO] running `Command { std: "docker" "inspect" "54aff572da645d0f1896558e3155119afe606170691d0de5272826b92493050e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "54aff572da645d0f1896558e3155119afe606170691d0de5272826b92493050e", kill_on_drop: false }`
[INFO] [stdout] 54aff572da645d0f1896558e3155119afe606170691d0de5272826b92493050e