[INFO] cloning repository https://github.com/jmjoy/dns-regex
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/jmjoy/dns-regex" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjmjoy%2Fdns-regex", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjmjoy%2Fdns-regex'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 0fc21b5ef0d8e13e50796c8175845804cb62a32e
[INFO] documenting jmjoy/dns-regex against master#394e1b40d264aa6928811919c1124fa248e7d802 for pr-73566
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjmjoy%2Fdns-regex" "/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/jmjoy/dns-regex 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/jmjoy/dns-regex
[INFO] finished tweaking git repo https://github.com/jmjoy/dns-regex
[INFO] tweaked toml for git repo https://github.com/jmjoy/dns-regex written to /workspace/builds/worker-8/source/Cargo.toml
[INFO] crate git repo https://github.com/jmjoy/dns-regex 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-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" "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] 4794c1c86e3b87c2f6e6031352af9021704bb64d858b7b1f9f495537570e9a3d
[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" "4794c1c86e3b87c2f6e6031352af9021704bb64d858b7b1f9f495537570e9a3d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "4794c1c86e3b87c2f6e6031352af9021704bb64d858b7b1f9f495537570e9a3d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4794c1c86e3b87c2f6e6031352af9021704bb64d858b7b1f9f495537570e9a3d", kill_on_drop: false }`
[INFO] [stdout] 4794c1c86e3b87c2f6e6031352af9021704bb64d858b7b1f9f495537570e9a3d
[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" "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] 5f9594fd0a0ea7ab03899449966a03efc67f04b98b0d28d7209ede02eea66f91
[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" "5f9594fd0a0ea7ab03899449966a03efc67f04b98b0d28d7209ede02eea66f91", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v0.4.30
[INFO] [stderr]    Compiling libc v0.2.60
[INFO] [stderr]    Compiling unicode-xid v0.1.0
[INFO] [stderr]    Compiling bitflags v1.1.0
[INFO] [stderr]    Compiling serde v1.0.98
[INFO] [stderr]    Compiling syn v0.15.42
[INFO] [stderr]     Checking ucd-util v0.1.5
[INFO] [stderr]     Checking lazy_static v1.3.0
[INFO] [stderr]     Checking utf8-ranges v1.0.3
[INFO] [stderr]     Checking vec_map v0.8.1
[INFO] [stderr]     Checking aho-corasick v0.7.4
[INFO] [stderr]     Checking thread_local v0.3.6
[INFO] [stderr]     Checking regex-syntax v0.6.10
[INFO] [stderr]     Checking atty v0.2.13
[INFO] [stderr]     Checking num_cpus v1.10.1
[INFO] [stderr]     Checking clap v2.33.0
[INFO] [stderr]    Compiling quote v0.6.13
[INFO] [stderr]     Checking regex v1.2.0
[INFO] [stderr]    Compiling serde_derive v1.0.98
[INFO] [stderr]     Checking toml v0.5.1
[INFO] [stderr]  Documenting dirty-dns v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 37.36s
[INFO] running `Command { std: "docker" "inspect" "5f9594fd0a0ea7ab03899449966a03efc67f04b98b0d28d7209ede02eea66f91", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5f9594fd0a0ea7ab03899449966a03efc67f04b98b0d28d7209ede02eea66f91", kill_on_drop: false }`
[INFO] [stdout] 5f9594fd0a0ea7ab03899449966a03efc67f04b98b0d28d7209ede02eea66f91