mapped_vec 0.1.0

A crate for a vector that not only stores it's data but also it's order.
Documentation
Build #287761 2020-08-30 14:42:00
# rustc version
rustc 1.48.0-nightly (d006f5734 2020-08-28)# docs.rs version
docsrs 0.6.0 (a2ab0d3 2020-08-29)# build log
[INFO] running `Command { std: "docker" "create" "-v" "/home/cratesfyi/workspace/builds/mapped_vec-0.1.0/target:/opt/rustwide/target:rw,Z" "-v" "/home/cratesfyi/workspace/builds/mapped_vec-0.1.0/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" "RUSTFLAGS=" "-e" "RUSTDOCFLAGS=-Z unstable-options --static-root-path / --cap-lints warn --resource-suffix -20200828-1.48.0-nightly-d006f5734" "-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:e18d859f9e32a1da89bc7b2d7d51e13b57342044d1295d9fc0dd0068c58eb3d1" "/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] 0ab584645416b5cd2964e813db27634b0c4ecc06ca43acae30d7c4c66440db86
[INFO] running `Command { std: "docker" "start" "-a" "0ab584645416b5cd2964e813db27634b0c4ecc06ca43acae30d7c4c66440db86", kill_on_drop: false }`
[INFO] [stderr] /opt/crates-build-env/entrypoint.sh: line 7: /etc/hosts: Permission denied
[INFO] [stderr]  Documenting mapped_vec v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.84s
[INFO] running `Command { std: "docker" "inspect" "0ab584645416b5cd2964e813db27634b0c4ecc06ca43acae30d7c4c66440db86", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0ab584645416b5cd2964e813db27634b0c4ecc06ca43acae30d7c4c66440db86", kill_on_drop: false }`
[INFO] [stdout] 0ab584645416b5cd2964e813db27634b0c4ecc06ca43acae30d7c4c66440db86