futures 0.1.30

# rustc version
rustc 1.49.0-nightly (beb5ae474 2020-10-04)# docs.rs version
docsrs 0.6.0 (0f67257 2020-09-30)# build log
[INFO] running `Command { std: "docker" "create" "-v" "/home/cratesfyi/workspace/builds/futures-0.1.30/target:/opt/rustwide/target:rw,Z" "-v" "/home/cratesfyi/workspace/builds/futures-0.1.30/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" "rustops/crates-build-env@sha256:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+nightly" "rustdoc" "--lib" "-j2" "--" "-Z" "unstable-options" "--resource-suffix" "-20201004-1.49.0-nightly-beb5ae474" "--static-root-path" "/" "--cap-lints" "warn" "--disable-per-crate-search", kill_on_drop: false }`
[INFO] [stdout] 9031eb2b8160020f2841a0b58e8098aec1e367e8cd1b95f8bc9cfb05f2aac929
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "9031eb2b8160020f2841a0b58e8098aec1e367e8cd1b95f8bc9cfb05f2aac929", kill_on_drop: false }`
[INFO] [stderr] /opt/crates-build-env/entrypoint.sh: line 7: /etc/hosts: Permission denied
[INFO] [stderr]  Documenting futures v0.1.30 (/opt/rustwide/workdir)
[INFO] [stderr] warning: unresolved link to `Context`
[INFO] [stderr]    --> src/sync/oneshot.rs:429:35
[INFO] [stderr]     |
[INFO] [stderr] 429 |     /// Useful when a [`Context`](Context) is not available such as within a
[INFO] [stderr]     |                                   ^^^^^^^ no item named `Context` in scope
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(broken_intra_doc_links)]` on by default
[INFO] [stderr]     = help: to escape `[` and `]` characters, add '\' before them like `\[` or `\]`
[INFO] [stderr] 
[INFO] [stderr] warning: 1 warning emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.56s
[INFO] running `Command { std: "docker" "inspect" "9031eb2b8160020f2841a0b58e8098aec1e367e8cd1b95f8bc9cfb05f2aac929", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9031eb2b8160020f2841a0b58e8098aec1e367e8cd1b95f8bc9cfb05f2aac929", kill_on_drop: false }`
[INFO] [stdout] 9031eb2b8160020f2841a0b58e8098aec1e367e8cd1b95f8bc9cfb05f2aac929