[INFO] fetching crate piston2d-scroll_controller 0.12.0...
[INFO] documenting piston2d-scroll_controller-0.12.0 against beta-2020-08-29 for beta-1.47-rustdoc-1
[INFO] extracting crate piston2d-scroll_controller 0.12.0 into /workspace/builds/worker-2/source
[INFO] validating manifest of crates.io crate piston2d-scroll_controller 0.12.0 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 piston2d-scroll_controller 0.12.0
[INFO] finished tweaking crates.io crate piston2d-scroll_controller 0.12.0
[INFO] tweaked toml for crates.io crate piston2d-scroll_controller 0.12.0 written to /workspace/builds/worker-2/source/Cargo.toml
[INFO] crate crates.io crate piston2d-scroll_controller 0.12.0 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 piston v0.51.0
[INFO] [stderr]   Downloaded piston2d-opengl_graphics v0.72.0
[INFO] [stderr]   Downloaded pistoncore-event_loop v0.51.0
[INFO] [stderr]   Downloaded pistoncore-sdl2_window v0.65.0
[INFO] [stderr]   Downloaded pistoncore-window v0.46.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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] 281cb4a25bd49c18410d80bc80f90a00fc25c7e9119f68fe2e79e51abdac36bf
[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" "281cb4a25bd49c18410d80bc80f90a00fc25c7e9119f68fe2e79e51abdac36bf", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "281cb4a25bd49c18410d80bc80f90a00fc25c7e9119f68fe2e79e51abdac36bf", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "281cb4a25bd49c18410d80bc80f90a00fc25c7e9119f68fe2e79e51abdac36bf", kill_on_drop: false }`
[INFO] [stdout] 281cb4a25bd49c18410d80bc80f90a00fc25c7e9119f68fe2e79e51abdac36bf
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 76fad701c4bf832d085e8fbd55a62c407c45c907467f5b64f90312a7d211f721
[INFO] running `Command { std: "docker" "start" "-a" "76fad701c4bf832d085e8fbd55a62c407c45c907467f5b64f90312a7d211f721", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.18
[INFO] [stderr]    Compiling unicode-xid v0.2.1
[INFO] [stderr]    Compiling syn v1.0.34
[INFO] [stderr]    Compiling serde_derive v1.0.114
[INFO] [stderr]    Compiling serde v1.0.114
[INFO] [stderr]    Compiling bitflags v1.2.1
[INFO] [stderr]    Compiling quote v1.0.7
[INFO] [stderr]     Checking pistoncore-input v1.0.0
[INFO] [stderr]  Documenting piston2d-scroll_controller v0.12.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 27.79s
[INFO] running `Command { std: "docker" "inspect" "76fad701c4bf832d085e8fbd55a62c407c45c907467f5b64f90312a7d211f721", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "76fad701c4bf832d085e8fbd55a62c407c45c907467f5b64f90312a7d211f721", kill_on_drop: false }`
[INFO] [stdout] 76fad701c4bf832d085e8fbd55a62c407c45c907467f5b64f90312a7d211f721