[INFO] fetching crate druid-shell 0.6.0...
[INFO] documenting druid-shell-0.6.0 against beta-2020-08-29 for beta-1.47-rustdoc-1
[INFO] extracting crate druid-shell 0.6.0 into /workspace/builds/worker-5/source
[INFO] validating manifest of crates.io crate druid-shell 0.6.0 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 druid-shell 0.6.0
[INFO] finished tweaking crates.io crate druid-shell 0.6.0
[INFO] tweaked toml for crates.io crate druid-shell 0.6.0 written to /workspace/builds/worker-5/source/Cargo.toml
[INFO] crate crates.io crate druid-shell 0.6.0 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 piet-direct2d v0.1.0
[INFO] [stderr]   Downloaded piet-coregraphics v0.1.1
[INFO] [stderr]   Downloaded piet-cairo v0.1.0
[INFO] [stderr]   Downloaded kurbo v0.6.1
[INFO] [stderr]   Downloaded piet-common v0.1.1
[INFO] [stderr]   Downloaded piet v0.1.0
[INFO] [stderr]   Downloaded piet-web v0.1.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 546007830c624829a5e6332fce700016b01fb07f3088cde9788335f4fb53c2db
[INFO] running `Command { std: "docker" "start" "-a" "546007830c624829a5e6332fce700016b01fb07f3088cde9788335f4fb53c2db", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "546007830c624829a5e6332fce700016b01fb07f3088cde9788335f4fb53c2db", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "546007830c624829a5e6332fce700016b01fb07f3088cde9788335f4fb53c2db", kill_on_drop: false }`
[INFO] [stdout] 546007830c624829a5e6332fce700016b01fb07f3088cde9788335f4fb53c2db
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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] f046711ebf405ea87b46e08641b07fbc01f3277bbdad77a27fdd88acf6626ccc
[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" "f046711ebf405ea87b46e08641b07fbc01f3277bbdad77a27fdd88acf6626ccc", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling syn v1.0.30
[INFO] [stderr]    Compiling proc-macro-nested v0.1.4
[INFO] [stderr]    Compiling standback v0.2.8
[INFO] [stderr]    Compiling cairo-rs v0.8.1
[INFO] [stderr]    Compiling gio v0.8.1
[INFO] [stderr]    Compiling pango v0.8.0
[INFO] [stderr]    Compiling gdk-pixbuf v0.8.0
[INFO] [stderr]    Compiling atk v0.8.0
[INFO] [stderr]    Compiling gdk v0.12.1
[INFO] [stderr]     Checking xi-unicode v0.2.0
[INFO] [stderr]    Compiling gtk v0.8.1
[INFO] [stderr]     Checking instant v0.1.4
[INFO] [stderr]    Compiling glib-sys v0.9.1
[INFO] [stderr]    Compiling gobject-sys v0.9.1
[INFO] [stderr]    Compiling gio-sys v0.9.1
[INFO] [stderr]    Compiling cairo-sys-rs v0.9.2
[INFO] [stderr]    Compiling gdk-pixbuf-sys v0.9.1
[INFO] [stderr]    Compiling pango-sys v0.9.1
[INFO] [stderr]    Compiling atk-sys v0.9.1
[INFO] [stderr]    Compiling gdk-sys v0.9.1
[INFO] [stderr]    Compiling gtk-sys v0.9.2
[INFO] [stderr]     Checking futures-task v0.3.5
[INFO] [stderr]     Checking kurbo v0.6.1
[INFO] [stderr]     Checking inflate v0.4.5
[INFO] [stderr]    Compiling quote v1.0.6
[INFO] [stderr]     Checking deflate v0.8.4
[INFO] [stderr]     Checking piet v0.1.0
[INFO] [stderr]     Checking png v0.16.4
[INFO] [stderr]    Compiling pin-project-internal v0.4.17
[INFO] [stderr]    Compiling futures-macro v0.3.5
[INFO] [stderr]    Compiling time-macros-impl v0.1.1
[INFO] [stderr]     Checking time-macros v0.1.0
[INFO] [stderr]     Checking time v0.2.16
[INFO] [stderr]     Checking pin-project v0.4.17
[INFO] [stderr]     Checking futures-util v0.3.5
[INFO] [stderr]     Checking futures-executor v0.3.5
[INFO] [stderr]     Checking glib v0.9.3
[INFO] [stderr]     Checking piet-cairo v0.1.0
[INFO] [stderr]     Checking piet-common v0.1.1
[INFO] [stderr]  Documenting druid-shell v0.6.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2m 26s
[INFO] running `Command { std: "docker" "inspect" "f046711ebf405ea87b46e08641b07fbc01f3277bbdad77a27fdd88acf6626ccc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f046711ebf405ea87b46e08641b07fbc01f3277bbdad77a27fdd88acf6626ccc", kill_on_drop: false }`
[INFO] [stdout] f046711ebf405ea87b46e08641b07fbc01f3277bbdad77a27fdd88acf6626ccc