simple_on_shutdown 0.2.0

This crate consists of a convenient macro to specify on shutdown callbacks (=code that should run when your program exits (grafecully)). It's super simple and stripped-down.
Documentation
Build #327345 2020-12-21T11:44:57.061584+00:00
# rustc version
rustc 1.50.0-nightly (c609b2eaf 2020-12-20)
# docs.rs version
docsrs 0.6.0 (4145c69 2020-12-19)

# build log
[INFO] running `Command { std: "docker" "create" "-v" "/home/cratesfyi/workspace/builds/simple_on_shutdown-0.2.0/target:/opt/rustwide/target:rw,Z" "-v" "/home/cratesfyi/workspace/builds/simple_on_shutdown-0.2.0/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" "rustops/crates-build-env@sha256:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/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" "--resource-suffix" "-20201220-1.50.0-nightly-c609b2eaf" "--static-root-path" "/" "--cap-lints" "warn" "--disable-per-crate-search", kill_on_drop: false }`
[INFO] [stdout] c363bf67384d77e5e673674f3ac1a3c333d412e152d29f672d3c9ca17cc0a0b4
[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" "c363bf67384d77e5e673674f3ac1a3c333d412e152d29f672d3c9ca17cc0a0b4", kill_on_drop: false }`
[INFO] [stderr] /opt/crates-build-env/entrypoint.sh: line 7: /etc/hosts: Permission denied
[INFO] [stderr]    Compiling log v0.4.11
[INFO] [stderr]     Checking cfg-if v0.1.10
[INFO] [stderr]  Documenting simple_on_shutdown v0.2.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.18s
[INFO] running `Command { std: "docker" "inspect" "c363bf67384d77e5e673674f3ac1a3c333d412e152d29f672d3c9ca17cc0a0b4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c363bf67384d77e5e673674f3ac1a3c333d412e152d29f672d3c9ca17cc0a0b4", kill_on_drop: false }`
[INFO] [stdout] c363bf67384d77e5e673674f3ac1a3c333d412e152d29f672d3c9ca17cc0a0b4