[INFO] fetching crate dom-ex-machina 0.0.1...
[INFO] documenting dom-ex-machina-0.0.1 against beta-2020-08-29 for beta-1.47-rustdoc-1
[INFO] extracting crate dom-ex-machina 0.0.1 into /workspace/builds/worker-9/source
[INFO] validating manifest of crates.io crate dom-ex-machina 0.0.1 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 dom-ex-machina 0.0.1
[INFO] finished tweaking crates.io crate dom-ex-machina 0.0.1
[INFO] tweaked toml for crates.io crate dom-ex-machina 0.0.1 written to /workspace/builds/worker-9/source/Cargo.toml
[INFO] crate crates.io crate dom-ex-machina 0.0.1 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 png v0.15.1
[INFO] [stderr]   Downloaded soup-sys v0.9.0
[INFO] [stderr]   Downloaded javascriptcore-rs-sys v0.2.0
[INFO] [stderr]   Downloaded javascriptcore-rs v0.8.0
[INFO] [stderr]   Downloaded webkit2gtk-sys v0.10.0
[INFO] [stderr]   Downloaded webkit2gtk v0.8.0
[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] 54b6ed59d90f7002ea8abc2702da3249a09a0e3a1b875a284b48874ac478d127
[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" "54b6ed59d90f7002ea8abc2702da3249a09a0e3a1b875a284b48874ac478d127", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "54b6ed59d90f7002ea8abc2702da3249a09a0e3a1b875a284b48874ac478d127", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "54b6ed59d90f7002ea8abc2702da3249a09a0e3a1b875a284b48874ac478d127", kill_on_drop: false }`
[INFO] [stdout] 54b6ed59d90f7002ea8abc2702da3249a09a0e3a1b875a284b48874ac478d127
[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] b2ac0b4db894aa75d3f45a6d40aa7014b1040c269f9b4c187e31f6e208f7c3aa
[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" "b2ac0b4db894aa75d3f45a6d40aa7014b1040c269f9b4c187e31f6e208f7c3aa", kill_on_drop: false }`
[INFO] [stderr]    Compiling gio v0.7.0
[INFO] [stderr]    Compiling rayon-core v1.6.1
[INFO] [stderr]     Checking fragile v0.3.0
[INFO] [stderr]    Compiling cairo-rs v0.7.1
[INFO] [stderr]    Compiling pango v0.7.0
[INFO] [stderr]    Compiling gdk-pixbuf v0.7.0
[INFO] [stderr]    Compiling gdk v0.11.0
[INFO] [stderr]    Compiling atk v0.7.0
[INFO] [stderr]    Compiling gtk v0.7.0
[INFO] [stderr]    Compiling glib-sys v0.9.0
[INFO] [stderr]    Compiling gobject-sys v0.9.0
[INFO] [stderr]    Compiling gio-sys v0.9.0
[INFO] [stderr]    Compiling gdk-pixbuf-sys v0.9.0
[INFO] [stderr]    Compiling cairo-sys-rs v0.9.0
[INFO] [stderr]    Compiling pango-sys v0.9.0
[INFO] [stderr]    Compiling gdk-sys v0.9.0
[INFO] [stderr]    Compiling atk-sys v0.9.0
[INFO] [stderr]    Compiling gtk-sys v0.9.0
[INFO] [stderr]    Compiling soup-sys v0.9.0
[INFO] [stderr]    Compiling webkit2gtk-sys v0.10.0
[INFO] [stderr]    Compiling num-traits v0.2.10
[INFO] [stderr]    Compiling num-integer v0.1.41
[INFO] [stderr]    Compiling num-iter v0.1.39
[INFO] [stderr]    Compiling num-rational v0.2.2
[INFO] [stderr]     Checking javascriptcore-rs-sys v0.2.0
[INFO] [stderr]     Checking crossbeam-queue v0.2.0
[INFO] [stderr]     Checking png v0.15.1
[INFO] [stderr]     Checking rayon v1.2.1
[INFO] [stderr]     Checking glib v0.8.2
[INFO] [stderr]     Checking tiff v0.3.1
[INFO] [stderr]     Checking jpeg-decoder v0.1.16
[INFO] [stderr]     Checking image v0.22.3
[INFO] [stderr]     Checking javascriptcore-rs v0.8.0
[INFO] [stderr]     Checking webkit2gtk v0.8.0
[INFO] [stderr]  Documenting dom-ex-machina v0.0.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1m 33s
[INFO] running `Command { std: "docker" "inspect" "b2ac0b4db894aa75d3f45a6d40aa7014b1040c269f9b4c187e31f6e208f7c3aa", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b2ac0b4db894aa75d3f45a6d40aa7014b1040c269f9b4c187e31f6e208f7c3aa", kill_on_drop: false }`
[INFO] [stdout] b2ac0b4db894aa75d3f45a6d40aa7014b1040c269f9b4c187e31f6e208f7c3aa