double-checked-cell-async 2.0.2

# rustc version
rustc 1.42.0-nightly (13db6501c 2020-02-01)
# docs.rs version
docsrs 0.6.0 (4ecf2a6 2020-02-01)

# build log
[INFO] running `"docker" "create" "-v" "/home/cratesfyi/workspace/builds/double-checked-cell-async-2.0.2/target:/opt/rustwide/target:rw,Z" "-v" "/home/cratesfyi/workspace/builds/double-checked-cell-async-2.0.2/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 -20200201-1.42.0-nightly-13db6501c --static-root-path / --extern-html-root-url unreachable=https://docs.rs/unreachable/1.0.0 --extern-html-root-url tokio=https://docs.rs/tokio/0.2.11 --extern-html-root-url futures=https://docs.rs/futures/0.3.1 --extern-html-root-url futures_util=https://docs.rs/futures-util/0.3.1 --extern-html-root-url void=https://docs.rs/void/1.0.2" "-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" "--all-features"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 1c339e9d96f668246bc1bc43be83fbd32c9e4d822b1513f3f4d2bf3048837928
[INFO] running `"docker" "start" "-a" "1c339e9d96f668246bc1bc43be83fbd32c9e4d822b1513f3f4d2bf3048837928"`
[INFO] [stderr]    Compiling proc-macro2 v1.0.8
[INFO] [stderr]    Compiling unicode-xid v0.2.0
[INFO] [stderr]    Compiling syn v1.0.14
[INFO] [stderr]    Compiling memchr v2.3.0
[INFO] [stderr]    Compiling proc-macro-nested v0.1.3
[INFO] [stderr]     Checking futures-core v0.3.1
[INFO] [stderr]     Checking futures-sink v0.3.1
[INFO] [stderr]     Checking void v1.0.2
[INFO] [stderr]     Checking futures-io v0.3.1
[INFO] [stderr]     Checking pin-utils v0.1.0-alpha.4
[INFO] [stderr]     Checking slab v0.4.2
[INFO] [stderr]     Checking futures-task v0.3.1
[INFO] [stderr]     Checking futures-channel v0.3.1
[INFO] [stderr]     Checking unreachable v1.0.0
[INFO] [stderr]    Compiling quote v1.0.2
[INFO] [stderr]    Compiling proc-macro-hack v0.5.11
[INFO] [stderr]    Compiling futures-macro v0.3.1
[INFO] [stderr]     Checking futures-util v0.3.1
[INFO] [stderr]  Documenting double-checked-cell-async v2.0.2 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 18.98s
[INFO] running `"docker" "inspect" "1c339e9d96f668246bc1bc43be83fbd32c9e4d822b1513f3f4d2bf3048837928"`
[INFO] running `"docker" "rm" "-f" "1c339e9d96f668246bc1bc43be83fbd32c9e4d822b1513f3f4d2bf3048837928"`
[INFO] [stdout] 1c339e9d96f668246bc1bc43be83fbd32c9e4d822b1513f3f4d2bf3048837928