[INFO] fetching crate penrose 0.1.10...
[INFO] documenting penrose-0.1.10 against beta-2020-08-29 for beta-1.47-rustdoc-1
[INFO] extracting crate penrose 0.1.10 into /workspace/builds/worker-14/source
[INFO] validating manifest of crates.io crate penrose 0.1.10 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 penrose 0.1.10
[INFO] finished tweaking crates.io crate penrose 0.1.10
[INFO] tweaked toml for crates.io crate penrose 0.1.10 written to /workspace/builds/worker-14/source/Cargo.toml
[INFO] crate crates.io crate penrose 0.1.10 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]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded pangocairo-sys v0.11.0
[INFO] [stderr]   Downloaded pangocairo v0.10.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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] 3995b40c8cc32f49b370ca2b3c52761f8676a107e44b24bdfa58d2ef737fa54a
[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" "3995b40c8cc32f49b370ca2b3c52761f8676a107e44b24bdfa58d2ef737fa54a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "3995b40c8cc32f49b370ca2b3c52761f8676a107e44b24bdfa58d2ef737fa54a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3995b40c8cc32f49b370ca2b3c52761f8676a107e44b24bdfa58d2ef737fa54a", kill_on_drop: false }`
[INFO] [stdout] 3995b40c8cc32f49b370ca2b3c52761f8676a107e44b24bdfa58d2ef737fa54a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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] c627a60f6bffcd91cc70ae9564598fc9a5a61e5ce0889187a22183fb7689ebad
[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" "c627a60f6bffcd91cc70ae9564598fc9a5a61e5ce0889187a22183fb7689ebad", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v1.0.38
[INFO] [stderr]    Compiling libc v0.2.73
[INFO] [stderr]    Compiling cairo-rs v0.9.1
[INFO] [stderr]    Compiling pango v0.9.1
[INFO] [stderr]    Compiling pangocairo v0.10.0
[INFO] [stderr]     Checking nix v0.17.0
[INFO] [stderr]    Compiling xcb v0.9.0
[INFO] [stderr]    Compiling proc-macro-error v1.0.4
[INFO] [stderr]    Compiling thiserror-impl v1.0.20
[INFO] [stderr]    Compiling strum_macros v0.18.0
[INFO] [stderr]    Compiling pin-project-internal v0.4.23
[INFO] [stderr]    Compiling futures-macro v0.3.5
[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 v0.4.23
[INFO] [stderr]    Compiling glib-sys v0.10.0
[INFO] [stderr]    Compiling gobject-sys v0.10.0
[INFO] [stderr]    Compiling pango-sys v0.10.0
[INFO] [stderr]    Compiling cairo-sys-rs v0.10.0
[INFO] [stderr]    Compiling pangocairo-sys v0.11.0
[INFO] [stderr]     Checking futures-util v0.3.5
[INFO] [stderr]     Checking futures-executor v0.3.5
[INFO] [stderr]     Checking glib v0.10.1
[INFO] [stderr]  Documenting penrose v0.1.10 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 43.61s
[INFO] running `Command { std: "docker" "inspect" "c627a60f6bffcd91cc70ae9564598fc9a5a61e5ce0889187a22183fb7689ebad", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c627a60f6bffcd91cc70ae9564598fc9a5a61e5ce0889187a22183fb7689ebad", kill_on_drop: false }`
[INFO] [stdout] c627a60f6bffcd91cc70ae9564598fc9a5a61e5ce0889187a22183fb7689ebad