[INFO] cloning repository https://github.com/spikegrobstein/digitalocean-dyn-domain
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/spikegrobstein/digitalocean-dyn-domain" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fspikegrobstein%2Fdigitalocean-dyn-domain", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fspikegrobstein%2Fdigitalocean-dyn-domain'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 95a7e8309b9ef4443fc01b81f85a8236401d37eb
[INFO] documenting spikegrobstein/digitalocean-dyn-domain against master#394e1b40d264aa6928811919c1124fa248e7d802 for pr-73566
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fspikegrobstein%2Fdigitalocean-dyn-domain" "/workspace/builds/worker-0/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-0/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/spikegrobstein/digitalocean-dyn-domain on toolchain 394e1b40d264aa6928811919c1124fa248e7d802
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+394e1b40d264aa6928811919c1124fa248e7d802" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/spikegrobstein/digitalocean-dyn-domain
[INFO] finished tweaking git repo https://github.com/spikegrobstein/digitalocean-dyn-domain
[INFO] tweaked toml for git repo https://github.com/spikegrobstein/digitalocean-dyn-domain written to /workspace/builds/worker-0/source/Cargo.toml
[INFO] crate git repo https://github.com/spikegrobstein/digitalocean-dyn-domain already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+394e1b40d264aa6928811919c1124fa248e7d802" "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-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env@sha256:819119df93c0f5eca3f29186f14981ef29945a311854d7222af07488600a2584" "/opt/rustwide/cargo-home/bin/cargo" "+394e1b40d264aa6928811919c1124fa248e7d802" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 1f71f3199be8ba9286fe41490c5e001c2d700d951ac245fccf785e409885c9bf
[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" "1f71f3199be8ba9286fe41490c5e001c2d700d951ac245fccf785e409885c9bf", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "1f71f3199be8ba9286fe41490c5e001c2d700d951ac245fccf785e409885c9bf", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1f71f3199be8ba9286fe41490c5e001c2d700d951ac245fccf785e409885c9bf", kill_on_drop: false }`
[INFO] [stdout] 1f71f3199be8ba9286fe41490c5e001c2d700d951ac245fccf785e409885c9bf
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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" "MAP_USER_ID=0" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env@sha256:819119df93c0f5eca3f29186f14981ef29945a311854d7222af07488600a2584" "/opt/rustwide/cargo-home/bin/cargo" "+394e1b40d264aa6928811919c1124fa248e7d802" "doc" "--frozen" "--no-deps" "--document-private-items" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 269b32547685ea8ae8e827608364c77a8378d40703800d5f93bd56a8ec55bcd9
[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" "269b32547685ea8ae8e827608364c77a8378d40703800d5f93bd56a8ec55bcd9", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.7
[INFO] [stderr]    Compiling cc v1.0.50
[INFO] [stderr]    Compiling syn v1.0.13
[INFO] [stderr]     Checking spin v0.5.2
[INFO] [stderr]     Checking untrusted v0.7.0
[INFO] [stderr]    Compiling memchr v2.3.0
[INFO] [stderr]     Checking itoa v0.4.4
[INFO] [stderr]     Checking arc-swap v0.4.4
[INFO] [stderr]     Checking base64 v0.11.0
[INFO] [stderr]     Checking chunked_transfer v1.0.0
[INFO] [stderr]     Checking bytes v0.5.3
[INFO] [stderr]     Checking pin-project-lite v0.1.2
[INFO] [stderr]     Checking futures-core v0.3.1
[INFO] [stderr]     Checking qstring v0.7.0
[INFO] [stderr]     Checking url v2.1.1
[INFO] [stderr]     Checking mio-uds v0.6.7
[INFO] [stderr]     Checking signal-hook-registry v1.2.0
[INFO] [stderr]    Compiling quote v1.0.2
[INFO] [stderr]    Compiling ring v0.16.9
[INFO] [stderr]     Checking webpki v0.21.0
[INFO] [stderr]     Checking sct v0.6.0
[INFO] [stderr]     Checking rustls v0.16.0
[INFO] [stderr]     Checking webpki-roots v0.18.0
[INFO] [stderr]    Compiling serde_derive v1.0.104
[INFO] [stderr]    Compiling tokio-macros v0.2.3
[INFO] [stderr]     Checking tokio v0.2.9
[INFO] [stderr]     Checking serde v1.0.104
[INFO] [stderr]     Checking serde_json v1.0.45
[INFO] [stderr]     Checking ureq v0.11.3
[INFO] [stderr]  Documenting digitalocean-dyn-domain v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 54.94s
[INFO] running `Command { std: "docker" "inspect" "269b32547685ea8ae8e827608364c77a8378d40703800d5f93bd56a8ec55bcd9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "269b32547685ea8ae8e827608364c77a8378d40703800d5f93bd56a8ec55bcd9", kill_on_drop: false }`
[INFO] [stdout] 269b32547685ea8ae8e827608364c77a8378d40703800d5f93bd56a8ec55bcd9