rc2 0.5.0

# rustc version
rustc 1.47.0-nightly (6c8927b0c 2020-07-26)
# docs.rs version
docsrs 0.6.0 (818e365 2020-08-06)

# build log
[INFO] running `Command { std: "docker" "create" "-v" "/home/cratesfyi/workspace/builds/rc2-0.5.0/target:/opt/rustwide/target:rw,Z" "-v" "/home/cratesfyi/workspace/builds/rc2-0.5.0/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" "MAP_USER_ID=1001" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "RUSTFLAGS=" "-e" "RUSTDOCFLAGS=-Z unstable-options --resource-suffix -20200726-1.47.0-nightly-6c8927b0c --static-root-path / --cap-lints warn --extern-html-root-url opaque_debug=https://docs.rs/opaque-debug/0.3.0 --extern-html-root-url block_cipher=https://docs.rs/block-cipher/0.8.0" "-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] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 379dd23187a3575110d39bee6a96728ef605fa58317340f2d168be516ee468ff
[INFO] running `Command { std: "docker" "start" "-a" "379dd23187a3575110d39bee6a96728ef605fa58317340f2d168be516ee468ff", kill_on_drop: false }`
[INFO] [stderr]    Compiling version_check v0.9.2
[INFO] [stderr]    Compiling typenum v1.12.0
[INFO] [stderr]     Checking blobby v0.3.0
[INFO] [stderr]     Checking opaque-debug v0.3.0
[INFO] [stderr]    Compiling generic-array v0.14.3
[INFO] [stderr]     Checking block-cipher v0.8.0
[INFO] [stderr]  Documenting rc2 v0.5.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 4.14s
[INFO] running `Command { std: "docker" "inspect" "379dd23187a3575110d39bee6a96728ef605fa58317340f2d168be516ee468ff", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "379dd23187a3575110d39bee6a96728ef605fa58317340f2d168be516ee468ff", kill_on_drop: false }`
[INFO] [stdout] 379dd23187a3575110d39bee6a96728ef605fa58317340f2d168be516ee468ff