futures 0.3.0

# rustc version
rustc 1.40.0-nightly (1423bec54 2019-11-05)
# docs.rs version
docsrs 0.6.0 (2cc016f 2019-11-06)

# build log
[INFO] running `"docker" "create" "-v" "/home/cratesfyi/workspace/builds/futures-0.3.0/target:/opt/rustwide/target:rw,Z" "-v" "/home/cratesfyi/workspace/builds/futures-0.3.0/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 -20191105-1.40.0-nightly-1423bec54 --static-root-path / --disable-per-crate-search --extern-html-root-url tokio=https://docs.rs/tokio/0.1.22 --extern-html-root-url futures_sink=https://docs.rs/futures-sink/0.3.0 --extern-html-root-url futures_test=https://docs.rs/futures-test/0.3.0 --extern-html-root-url futures_channel=https://docs.rs/futures-channel/0.3.0 --extern-html-root-url futures_io=https://docs.rs/futures-io/0.3.0 --extern-html-root-url assert_matches=https://docs.rs/assert_matches/1.3.0 --extern-html-root-url futures_executor=https://docs.rs/futures-executor/0.3.0 --extern-html-root-url pin_utils=https://docs.rs/pin-utils/0.1.0-alpha.4 --extern-html-root-url futures_task=https://docs.rs/futures-task/0.3.0 --extern-html-root-url futures_util=https://docs.rs/futures-util/0.3.0 --extern-html-root-url futures_core=https://docs.rs/futures-core/0.3.0" "-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" "--target" "x86_64-unknown-linux-gnu" "--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] 5b2ef0000c52e93e43a015ca47fc98db971f1c4a36fbf6fe5dc9172f40717007
[INFO] running `"docker" "start" "-a" "5b2ef0000c52e93e43a015ca47fc98db971f1c4a36fbf6fe5dc9172f40717007"`
[INFO] [stderr]    Compiling libc v0.2.65
[INFO] [stderr]    Compiling proc-macro2 v1.0.6
[INFO] [stderr]    Compiling unicode-xid v0.2.0
[INFO] [stderr]    Compiling byteorder v1.3.2
[INFO] [stderr]    Compiling syn v1.0.7
[INFO] [stderr]    Compiling log v0.4.8
[INFO] [stderr]    Compiling memchr v2.2.1
[INFO] [stderr]     Checking cfg-if v0.1.10
[INFO] [stderr]    Compiling proc-macro-nested v0.1.3
[INFO] [stderr]     Checking futures v0.1.29
[INFO] [stderr]     Checking futures-core v0.3.0
[INFO] [stderr]     Checking futures-sink v0.3.0
[INFO] [stderr]     Checking futures-task v0.3.0
[INFO] [stderr]     Checking slab v0.4.2
[INFO] [stderr]     Checking futures-io v0.3.0
[INFO] [stderr]     Checking pin-utils v0.1.0-alpha.4
[INFO] [stderr]     Checking futures-channel v0.3.0
[INFO] [stderr]    Compiling quote v1.0.2
[INFO] [stderr]     Checking iovec v0.1.4
[INFO] [stderr]     Checking num_cpus v1.11.0
[INFO] [stderr]     Checking bytes v0.4.12
[INFO] [stderr]     Checking tokio-io v0.1.12
[INFO] [stderr]    Compiling proc-macro-hack v0.5.11
[INFO] [stderr]    Compiling futures-macro v0.3.0
[INFO] [stderr]     Checking futures-util v0.3.0
[INFO] [stderr]     Checking futures-executor v0.3.0
[INFO] [stderr]  Documenting futures v0.3.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 24.44s
[INFO] running `"docker" "inspect" "5b2ef0000c52e93e43a015ca47fc98db971f1c4a36fbf6fe5dc9172f40717007"`
[INFO] running `"docker" "rm" "-f" "5b2ef0000c52e93e43a015ca47fc98db971f1c4a36fbf6fe5dc9172f40717007"`
[INFO] [stdout] 5b2ef0000c52e93e43a015ca47fc98db971f1c4a36fbf6fe5dc9172f40717007