io-mux 1.4.0

# rustc version
rustc 1.50.0-nightly (98d66340d 2020-11-14)
# docs.rs version
docsrs 0.6.0 (b527df8 2020-11-09)

# build log
[INFO] running `Command { std: "docker" "create" "-v" "/home/cratesfyi/workspace/builds/io-mux-1.4.0/target:/opt/rustwide/target:rw,Z" "-v" "/home/cratesfyi/workspace/builds/io-mux-1.4.0/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@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+nightly" "rustdoc" "--lib" "-j2" "--" "-Z" "unstable-options" "--extern-html-root-url" "futures_lite=https://docs.rs/futures-lite/1.11.2" "--extern-html-root-url" "libc=https://docs.rs/libc/0.2.80" "--extern-html-root-url" "async_process=https://docs.rs/async-process/1.0.1" "--extern-html-root-url" "tempfile=https://docs.rs/tempfile/3.1.0" "--resource-suffix" "-20201114-1.50.0-nightly-98d66340d" "--static-root-path" "/" "--cap-lints" "warn" "--disable-per-crate-search", kill_on_drop: false }`
[INFO] [stdout] f2d9b26452f6156a029d3bf1e9305338a10cd576fadaa70beff927a504b7f15a
[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" "f2d9b26452f6156a029d3bf1e9305338a10cd576fadaa70beff927a504b7f15a", kill_on_drop: false }`
[INFO] [stderr] /opt/crates-build-env/entrypoint.sh: line 7: /etc/hosts: Permission denied
[INFO] [stderr]    Compiling libc v0.2.80
[INFO] [stderr]    Compiling getrandom v0.1.15
[INFO] [stderr]     Checking cfg-if v0.1.10
[INFO] [stderr]     Checking ppv-lite86 v0.2.10
[INFO] [stderr]     Checking remove_dir_all v0.5.3
[INFO] [stderr]     Checking rand_core v0.5.1
[INFO] [stderr]     Checking rand_chacha v0.2.2
[INFO] [stderr]     Checking rand v0.7.3
[INFO] [stderr]     Checking tempfile v3.1.0
[INFO] [stderr]  Documenting io-mux v1.4.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 5.10s
[INFO] running `Command { std: "docker" "inspect" "f2d9b26452f6156a029d3bf1e9305338a10cd576fadaa70beff927a504b7f15a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f2d9b26452f6156a029d3bf1e9305338a10cd576fadaa70beff927a504b7f15a", kill_on_drop: false }`
[INFO] [stdout] f2d9b26452f6156a029d3bf1e9305338a10cd576fadaa70beff927a504b7f15a