isitup 2021.5.25

CLI utility to check if a domain is up or down
Documentation
Build #392508 2021-05-25 16:52:58
# rustc version
rustc 1.54.0-nightly (126561cb3 2021-05-24)# docs.rs version
docsrs 0.6.0 (c2d325f 2021-05-02)# build log
[INFO] running `Command { std: "docker" "create" "-v" "/home/cratesfyi/workspace/builds/isitup-2021.5.25/target:/opt/rustwide/target:rw,Z" "-v" "/home/cratesfyi/workspace/builds/isitup-2021.5.25/source:/opt/rustwide/workdir:ro,Z" "-v" "/home/cratesfyi/workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/home/cratesfyi/workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "DOCS_RS=1" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "3221225472" "--cpus" "2" "--user" "1001:1001" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+nightly" "rustdoc" "--lib" "-Zrustdoc-map" "-Zunstable-options" "--config=doc.extern-map.registries.crates-io=\"https://docs.rs\"" "-j2" "--" "-Z" "unstable-options" "--emit=invocation-specific" "--resource-suffix" "-20210524-1.54.0-nightly-126561cb3" "--static-root-path" "/" "--cap-lints" "warn" "--disable-per-crate-search", 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] b42736972e529bc2e0805febfe2fab0c42a00c10c66b77e71cd5c634cb6a9015
[INFO] running `Command { std: "docker" "start" "-a" "b42736972e529bc2e0805febfe2fab0c42a00c10c66b77e71cd5c634cb6a9015", kill_on_drop: false }`
[INFO] [stderr]  Documenting isitup v2021.5.25 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.26s
[INFO] running `Command { std: "docker" "inspect" "b42736972e529bc2e0805febfe2fab0c42a00c10c66b77e71cd5c634cb6a9015", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b42736972e529bc2e0805febfe2fab0c42a00c10c66b77e71cd5c634cb6a9015", kill_on_drop: false }`
[INFO] [stdout] b42736972e529bc2e0805febfe2fab0c42a00c10c66b77e71cd5c634cb6a9015