compress_history 0.2.0

delete unnecessary history
Build #419133 2021-08-04T15:52:02.354480+00:00
# rustc version
rustc 1.56.0-nightly (a6ece5615 2021-08-03)
# docs.rs version
docsrs 0.6.0 (843531f 2021-06-26)

# build log
[INFO] running `Command { std: "docker" "create" "-v" "/home/cratesfyi/workspace/builds/compress_history-0.2.0/target:/opt/rustwide/target:rw,Z" "-v" "/home/cratesfyi/workspace/builds/compress_history-0.2.0/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" "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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:bf3311aec13679c042c55305eed4f6f98359c47a37eb765a3317ad487259f4e0" "/opt/rustwide/cargo-home/bin/cargo" "+nightly" "rustdoc" "--lib" "-Zrustdoc-map" "-Zunstable-options" "--config=doc.extern-map.registries.crates-io=\"https://docs.rs/{pkg_name}/{version}/x86_64-unknown-linux-gnu\"" "-j2" "--" "-Z" "unstable-options" "--emit=invocation-specific" "--resource-suffix" "-20210803-1.56.0-nightly-a6ece5615" "--static-root-path" "/" "--cap-lints" "warn" "--disable-per-crate-search", 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] aa51260d9456cc0ca5e521ecc8d69b322f541f64bf5c550344de7c9bed040822
[INFO] running `Command { std: "docker" "start" "-a" "aa51260d9456cc0ca5e521ecc8d69b322f541f64bf5c550344de7c9bed040822", kill_on_drop: false }`
[INFO] [stderr] error: no library targets found in package `compress_history`
[INFO] running `Command { std: "docker" "inspect" "aa51260d9456cc0ca5e521ecc8d69b322f541f64bf5c550344de7c9bed040822", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "aa51260d9456cc0ca5e521ecc8d69b322f541f64bf5c550344de7c9bed040822", kill_on_drop: false }`
[INFO] [stdout] aa51260d9456cc0ca5e521ecc8d69b322f541f64bf5c550344de7c9bed040822