[INFO] cloning repository https://github.com/whostolemyhat/snowflakes
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/whostolemyhat/snowflakes" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fwhostolemyhat%2Fsnowflakes", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fwhostolemyhat%2Fsnowflakes'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 583546befdc15b4b1a7d65b472f4751b0ca07013
[INFO] documenting whostolemyhat/snowflakes against beta-2022-05-20 for beta-1.62-rustdoc-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fwhostolemyhat%2Fsnowflakes" "/workspace/builds/worker-22/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-22/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/whostolemyhat/snowflakes on toolchain beta-2022-05-20
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-05-20" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/whostolemyhat/snowflakes
[INFO] finished tweaking git repo https://github.com/whostolemyhat/snowflakes
[INFO] tweaked toml for git repo https://github.com/whostolemyhat/snowflakes written to /workspace/builds/worker-22/source/Cargo.toml
[INFO] crate git repo https://github.com/whostolemyhat/snowflakes already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-05-20" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-22/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-22/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:d190cb871061d98bc6d0581d85cb2ecb09a0f8a142ba5463de30be9999fc3251" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-05-20" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] a789bc1431cd6d29c675eed4a3b698d91e63bc195057074f9d6a7078469321e8
[INFO] running `Command { std: "docker" "start" "-a" "a789bc1431cd6d29c675eed4a3b698d91e63bc195057074f9d6a7078469321e8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "a789bc1431cd6d29c675eed4a3b698d91e63bc195057074f9d6a7078469321e8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a789bc1431cd6d29c675eed4a3b698d91e63bc195057074f9d6a7078469321e8", kill_on_drop: false }`
[INFO] [stdout] a789bc1431cd6d29c675eed4a3b698d91e63bc195057074f9d6a7078469321e8
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-22/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-22/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:d190cb871061d98bc6d0581d85cb2ecb09a0f8a142ba5463de30be9999fc3251" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-05-20" "doc" "--frozen" "--no-deps" "--document-private-items" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 17fb78ba78d9e898efa5a1907faf6eea555be990874045f333845f7c4db863d3
[INFO] running `Command { std: "docker" "start" "-a" "17fb78ba78d9e898efa5a1907faf6eea555be990874045f333845f7c4db863d3", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling pkg-config v0.3.11
[INFO] [stderr]     Checking libc v0.2.41
[INFO] [stderr]     Checking bitflags v1.0.3
[INFO] [stderr]     Checking lazy_static v1.0.1
[INFO] [stderr]    Compiling cairo-rs v0.3.0
[INFO] [stderr]     Checking rand v0.4.2
[INFO] [stderr]    Compiling glib-sys v0.5.0
[INFO] [stderr]    Compiling gobject-sys v0.5.0
[INFO] [stderr]    Compiling cairo-sys-rs v0.5.0
[INFO] [stderr]     Checking glib v0.4.1
[INFO] [stderr]  Documenting snowflake v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Checking snowflake v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 5.42s
[INFO] running `Command { std: "docker" "inspect" "17fb78ba78d9e898efa5a1907faf6eea555be990874045f333845f7c4db863d3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "17fb78ba78d9e898efa5a1907faf6eea555be990874045f333845f7c4db863d3", kill_on_drop: false }`
[INFO] [stdout] 17fb78ba78d9e898efa5a1907faf6eea555be990874045f333845f7c4db863d3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-22/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-22/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" "RUSTFLAGS=--cap-lints=warn" "-e" "RUSTC_BOOTSTRAP=1" "-e" "DOCS_RS=1" "-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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:d190cb871061d98bc6d0581d85cb2ecb09a0f8a142ba5463de30be9999fc3251" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-05-20" "rustdoc" "--lib" "-Zrustdoc-map" "--frozen" "--message-format=json" "--" "-Z" "unstable-options" "--document-private-items", kill_on_drop: false }`
[INFO] [stdout] f149e22e8aa3e3b4faf20524c6ab5149e5681304d57f5c401007ed899a8b031b
[INFO] running `Command { std: "docker" "start" "-a" "f149e22e8aa3e3b4faf20524c6ab5149e5681304d57f5c401007ed899a8b031b", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[ERROR] error running command: no output for 300 seconds
[INFO] running `Command { std: "docker" "inspect" "f149e22e8aa3e3b4faf20524c6ab5149e5681304d57f5c401007ed899a8b031b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f149e22e8aa3e3b4faf20524c6ab5149e5681304d57f5c401007ed899a8b031b", kill_on_drop: false }`
[INFO] [stdout] f149e22e8aa3e3b4faf20524c6ab5149e5681304d57f5c401007ed899a8b031b