env_logger 0.8.4

A logging implementation for `log` which is configured via an environment variable.
Documentation
Build #398897 2021-06-11T10:28:17.368299+00:00
# rustc version
rustc 1.54.0-nightly (16e18395c 2021-06-10)# docs.rs version
docsrs 0.6.0 (c2d325f 2021-05-02)# build log
[INFO] running `Command { std: "docker" "create" "-v" "/home/cratesfyi/workspace/builds/env_logger-0.8.4/target:/opt/rustwide/target:rw,Z" "-v" "/home/cratesfyi/workspace/builds/env_logger-0.8.4/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" "-20210610-1.54.0-nightly-16e18395c" "--static-root-path" "/" "--cap-lints" "warn" "--disable-per-crate-search", kill_on_drop: false }`
[INFO] [stdout] 476cd7f7ad1d4e862140f81a703204b78be49708e37bf7d525c12466fe90daf9
[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" "476cd7f7ad1d4e862140f81a703204b78be49708e37bf7d525c12466fe90daf9", kill_on_drop: false }`
[INFO] [stderr]  Documenting env_logger v0.8.4 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.85s
[INFO] running `Command { std: "docker" "inspect" "476cd7f7ad1d4e862140f81a703204b78be49708e37bf7d525c12466fe90daf9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "476cd7f7ad1d4e862140f81a703204b78be49708e37bf7d525c12466fe90daf9", kill_on_drop: false }`
[INFO] [stdout] 476cd7f7ad1d4e862140f81a703204b78be49708e37bf7d525c12466fe90daf9