persist-o-vec 0.3.1

# rustc version
rustc 1.46.0-nightly (daecab3a7 2020-07-10)
# docs.rs version
docsrs 0.6.0 (51eedbe 2020-07-07)

# build log
[INFO] running `Command { std: "docker" "create" "-v" "/home/cratesfyi/workspace/builds/persist-o-vec-0.3.1/target:/opt/rustwide/target:rw,Z" "-v" "/home/cratesfyi/workspace/builds/persist-o-vec-0.3.1/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 -20200710-1.46.0-nightly-daecab3a7 --static-root-path / --cap-lints warn --extern-html-root-url bencher=https://docs.rs/bencher/0.1.5" "-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] be10117915b22c85d6bd9369b8922b3e8a2a01d4f01cb82182ccfc5448522ca9
[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" "be10117915b22c85d6bd9369b8922b3e8a2a01d4f01cb82182ccfc5448522ca9", kill_on_drop: false }`
[INFO] [stderr]  Documenting persist-o-vec v0.3.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [optimized + debuginfo] target(s) in 1.00s
[INFO] running `Command { std: "docker" "inspect" "be10117915b22c85d6bd9369b8922b3e8a2a01d4f01cb82182ccfc5448522ca9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "be10117915b22c85d6bd9369b8922b3e8a2a01d4f01cb82182ccfc5448522ca9", kill_on_drop: false }`
[INFO] [stdout] be10117915b22c85d6bd9369b8922b3e8a2a01d4f01cb82182ccfc5448522ca9