alpm 0.8.0

# rustc version
rustc 1.42.0-nightly (1389494ac 2020-01-11)# docs.rs version
docsrs 0.6.0 (0e182b8 2020-01-08)# build log
[INFO] running `"docker" "create" "-v" "/home/cratesfyi/workspace/builds/alpm-0.8.0/target:/opt/rustwide/target:rw,Z" "-v" "/home/cratesfyi/workspace/builds/alpm-0.8.0/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 -20200111-1.42.0-nightly-1389494ac --static-root-path / --extern-html-root-url criterion=https://docs.rs/criterion/0.2.11 --extern-html-root-url bitflags=https://docs.rs/bitflags/1.2.1 --extern-html-root-url alpm_sys_fork=https://docs.rs/alpm-sys-fork/1.0.0" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "3221225472" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+nightly" "doc" "--lib" "--no-deps"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 586b1a5494cd24736a58b559f6dcd6dfbf1fbc12a3b9da19b24046c37cf3e6af
[INFO] running `"docker" "start" "-a" "586b1a5494cd24736a58b559f6dcd6dfbf1fbc12a3b9da19b24046c37cf3e6af"`
[INFO] [stderr]    Compiling alpm-sys-fork v1.0.0
[INFO] [stderr]    Compiling bitflags v1.2.1
[INFO] [stderr]  Documenting alpm v0.8.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.42s
[INFO] running `"docker" "inspect" "586b1a5494cd24736a58b559f6dcd6dfbf1fbc12a3b9da19b24046c37cf3e6af"`
[INFO] running `"docker" "rm" "-f" "586b1a5494cd24736a58b559f6dcd6dfbf1fbc12a3b9da19b24046c37cf3e6af"`
[INFO] [stdout] 586b1a5494cd24736a58b559f6dcd6dfbf1fbc12a3b9da19b24046c37cf3e6af