[INFO] cloning repository https://github.com/alexmaco/netspawn
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/alexmaco/netspawn" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Falexmaco%2Fnetspawn", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Falexmaco%2Fnetspawn'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] cc528ef52e465653de642681409107d47ffdfa9e
[INFO] documenting alexmaco/netspawn against beta-2020-08-29 for beta-1.47-rustdoc-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Falexmaco%2Fnetspawn" "/workspace/builds/worker-8/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-8/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/alexmaco/netspawn 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 git repo https://github.com/alexmaco/netspawn
[INFO] finished tweaking git repo https://github.com/alexmaco/netspawn
[INFO] tweaked toml for git repo https://github.com/alexmaco/netspawn written to /workspace/builds/worker-8/source/Cargo.toml
[INFO] crate git repo https://github.com/alexmaco/netspawn 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 iovec v0.1.1
[INFO] [stderr]   Downloaded magenta v0.1.1
[INFO] [stderr]   Downloaded libc v0.2.32
[INFO] [stderr]   Downloaded magenta-sys v0.1.1
[INFO] [stderr]   Downloaded mio v0.6.10
[INFO] [stderr]   Downloaded vec_map v0.8.0
[INFO] [stderr]   Downloaded structopt-derive v0.4.7
[INFO] [stderr]   Downloaded mio-more v0.1.0
[INFO] [stderr]   Downloaded atty v0.2.3
[INFO] [stderr]   Downloaded unicode-width v0.1.4
[INFO] [stderr]   Downloaded structopt v0.3.14
[INFO] [stderr]   Downloaded lazycell v0.5.1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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] 19079b175b61e050c4710021c3c18b07890bfb366fedc4e26b9e8745044a892f
[INFO] running `Command { std: "docker" "start" "-a" "19079b175b61e050c4710021c3c18b07890bfb366fedc4e26b9e8745044a892f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "19079b175b61e050c4710021c3c18b07890bfb366fedc4e26b9e8745044a892f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "19079b175b61e050c4710021c3c18b07890bfb366fedc4e26b9e8745044a892f", kill_on_drop: false }`
[INFO] [stdout] 19079b175b61e050c4710021c3c18b07890bfb366fedc4e26b9e8745044a892f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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] ceee79ad7720a7578e19f0f29c266fb8eafb3333f685a461a5b69e81b74ad942
[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" "ceee79ad7720a7578e19f0f29c266fb8eafb3333f685a461a5b69e81b74ad942", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v1.0.22
[INFO] [stderr]     Checking lazycell v0.5.1
[INFO] [stderr]     Checking lazycell v0.4.0
[INFO] [stderr]     Checking atty v0.2.3
[INFO] [stderr]     Checking net2 v0.2.31
[INFO] [stderr]     Checking iovec v0.1.1
[INFO] [stderr]     Checking textwrap v0.11.0
[INFO] [stderr]     Checking clap v2.33.1
[INFO] [stderr]     Checking mio v0.6.10
[INFO] [stderr]     Checking mio-more v0.1.0
[INFO] [stderr]    Compiling syn-mid v0.5.0
[INFO] [stderr]    Compiling proc-macro-error-attr v1.0.2
[INFO] [stderr]    Compiling proc-macro-error v1.0.2
[INFO] [stderr]    Compiling structopt-derive v0.4.7
[INFO] [stderr]     Checking structopt v0.3.14
[INFO] [stderr]  Documenting netspawn v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 30.02s
[INFO] running `Command { std: "docker" "inspect" "ceee79ad7720a7578e19f0f29c266fb8eafb3333f685a461a5b69e81b74ad942", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ceee79ad7720a7578e19f0f29c266fb8eafb3333f685a461a5b69e81b74ad942", kill_on_drop: false }`
[INFO] [stdout] ceee79ad7720a7578e19f0f29c266fb8eafb3333f685a461a5b69e81b74ad942