png 0.16.6

# rustc version
rustc 1.46.0-nightly (7750c3d46 2020-06-26)
# docs.rs version
docsrs 0.6.0 (116821e 2020-06-24)

# build log
[INFO] running `Command { std: "docker" "create" "-v" "/home/cratesfyi/workspace/builds/png-0.16.6/target:/opt/rustwide/target:rw,Z" "-v" "/home/cratesfyi/workspace/builds/png-0.16.6/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" "MAP_USER_ID=1001" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "RUSTFLAGS=" "-e" "RUSTDOCFLAGS=-Z unstable-options --resource-suffix -20200626-1.46.0-nightly-7750c3d46 --static-root-path / --cap-lints warn --extern-html-root-url rand=https://docs.rs/rand/0.7.3 --extern-html-root-url glium=https://docs.rs/glium/0.24.0 --extern-html-root-url getopts=https://docs.rs/getopts/0.2.21 --extern-html-root-url deflate=https://docs.rs/deflate/0.8.4 --extern-html-root-url miniz_oxide=https://docs.rs/miniz_oxide/0.3.7 --extern-html-root-url criterion=https://docs.rs/criterion/0.3.1 --extern-html-root-url bitflags=https://docs.rs/bitflags/1.2.1 --extern-html-root-url crc32fast=https://docs.rs/crc32fast/1.2.0 --extern-html-root-url term=https://docs.rs/term/0.6.1 --extern-html-root-url glob=https://docs.rs/glob/0.3.0" "-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" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+nightly" "doc" "--lib" "--no-deps" "-j2", kill_on_drop: false }`
[INFO] [stdout] 023b86bf6fc22a0715084fead51e2123c5e2275c99bbcb10311c2c10fc806618
[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" "023b86bf6fc22a0715084fead51e2123c5e2275c99bbcb10311c2c10fc806618", kill_on_drop: false }`
[INFO] [stderr]    Compiling byteorder v1.3.4
[INFO] [stderr]    Compiling crc32fast v1.2.0
[INFO] [stderr]     Checking adler32 v1.0.4
[INFO] [stderr]    Compiling bitflags v1.2.1
[INFO] [stderr]     Checking cfg-if v0.1.10
[INFO] [stderr]     Checking miniz_oxide v0.3.7
[INFO] [stderr]     Checking deflate v0.8.4
[INFO] [stderr]  Documenting png v0.16.6 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 4.02s
[INFO] running `Command { std: "docker" "inspect" "023b86bf6fc22a0715084fead51e2123c5e2275c99bbcb10311c2c10fc806618", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "023b86bf6fc22a0715084fead51e2123c5e2275c99bbcb10311c2c10fc806618", kill_on_drop: false }`
[INFO] [stdout] 023b86bf6fc22a0715084fead51e2123c5e2275c99bbcb10311c2c10fc806618