[INFO] cloning repository https://github.com/ylwnet/vpncloud
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/ylwnet/vpncloud" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fylwnet%2Fvpncloud", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fylwnet%2Fvpncloud'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] fba72882a63efd4fe4ee900950b3b29a2009b3c5
[INFO] documenting ylwnet/vpncloud against 1.46.0 for beta-1.47-rustdoc-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fylwnet%2Fvpncloud" "/workspace/builds/worker-11/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-11/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/ylwnet/vpncloud on toolchain 1.46.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.46.0" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] removed /workspace/builds/worker-11/source/.cargo/config
[INFO] started tweaking git repo https://github.com/ylwnet/vpncloud
[INFO] finished tweaking git repo https://github.com/ylwnet/vpncloud
[INFO] tweaked toml for git repo https://github.com/ylwnet/vpncloud written to /workspace/builds/worker-11/source/Cargo.toml
[INFO] crate git repo https://github.com/ylwnet/vpncloud already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.46.0" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/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" "+1.46.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 3f05a7eb4deed6570f9a870968b2d51b1d75c876953967abe6071e37dfb8672a
[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" "3f05a7eb4deed6570f9a870968b2d51b1d75c876953967abe6071e37dfb8672a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "3f05a7eb4deed6570f9a870968b2d51b1d75c876953967abe6071e37dfb8672a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3f05a7eb4deed6570f9a870968b2d51b1d75c876953967abe6071e37dfb8672a", kill_on_drop: false }`
[INFO] [stdout] 3f05a7eb4deed6570f9a870968b2d51b1d75c876953967abe6071e37dfb8672a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/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" "+1.46.0" "doc" "--frozen" "--no-deps" "--document-private-items" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 54bdf343d21848649fe686466e3d81e300da36bec85dc40f09ae8f2c7d9db84e
[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" "54bdf343d21848649fe686466e3d81e300da36bec85dc40f09ae8f2c7d9db84e", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.66
[INFO] [stderr]     Checking unicode-normalization v0.1.12
[INFO] [stderr]    Compiling ring v0.16.9
[INFO] [stderr]    Compiling vpncloud v1.3.0 (/opt/rustwide/workdir)
[INFO] [stderr]    Compiling proc-macro-hack v0.5.11
[INFO] [stderr]    Compiling rustversion v1.0.2
[INFO] [stderr]     Checking serde v1.0.104
[INFO] [stderr]     Checking idna v0.1.5
[INFO] [stderr] warning: Error building manpage: No such file or directory (os error 2)
[INFO] [stderr] warning: The manpage will not be build. Do you have 'ronn'?
[INFO] [stderr]    Compiling time-macros-impl v0.1.0
[INFO] [stderr]     Checking url v1.7.2
[INFO] [stderr]     Checking iovec v0.1.4
[INFO] [stderr]     Checking getrandom v0.1.14
[INFO] [stderr]     Checking nix v0.15.0
[INFO] [stderr]     Checking rand v0.4.6
[INFO] [stderr]     Checking nix v0.14.1
[INFO] [stderr]     Checking daemonize v0.4.1
[INFO] [stderr]     Checking net2 v0.2.33
[INFO] [stderr]     Checking rand_core v0.5.1
[INFO] [stderr]     Checking bytes v0.4.12
[INFO] [stderr]     Checking rand_chacha v0.2.1
[INFO] [stderr]     Checking rand v0.7.3
[INFO] [stderr]     Checking http v0.1.21
[INFO] [stderr]     Checking time-macros v0.1.0
[INFO] [stderr]     Checking time v0.2.4
[INFO] [stderr]     Checking docopt v1.1.0
[INFO] [stderr]     Checking serde_yaml v0.8.11
[INFO] [stderr]     Checking attohttpc v0.4.5
[INFO] [stderr]     Checking igd v0.10.0
[INFO] [stderr]     Checking signal v0.7.0
[INFO] [stderr]     Checking privdrop v0.3.3
[INFO] [stderr]  Documenting vpncloud v1.3.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 42.81s
[INFO] running `Command { std: "docker" "inspect" "54bdf343d21848649fe686466e3d81e300da36bec85dc40f09ae8f2c7d9db84e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "54bdf343d21848649fe686466e3d81e300da36bec85dc40f09ae8f2c7d9db84e", kill_on_drop: false }`
[INFO] [stdout] 54bdf343d21848649fe686466e3d81e300da36bec85dc40f09ae8f2c7d9db84e