cxx-build 0.4.7

# rustc version
rustc 1.48.0-nightly (8b4085359 2020-09-23)# docs.rs version
docsrs 0.6.0 (1fa0b9d 2020-09-20)# build log
[INFO] running `Command { std: "docker" "create" "-v" "/home/cratesfyi/workspace/builds/cxx-build-0.4.7/target:/opt/rustwide/target:rw,Z" "-v" "/home/cratesfyi/workspace/builds/cxx-build-0.4.7/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" "RUSTDOCFLAGS=-Z unstable-options --static-root-path / --cap-lints warn --disable-per-crate-search --extern-html-root-url quote=https://docs.rs/quote/1.0.7 --extern-html-root-url proc_macro2=https://docs.rs/proc-macro2/1.0.21 --extern-html-root-url cc=https://docs.rs/cc/1.0.60 --extern-html-root-url codespan_reporting=https://docs.rs/codespan-reporting/0.9.5 --extern-html-root-url cxx_gen=https://docs.rs/cxx-gen/0.4.1 --extern-html-root-url syn=https://docs.rs/syn/1.0.41 --resource-suffix -20200923-1.48.0-nightly-8b4085359" "-e" "DOCS_RS=1" "-e" "RUSTFLAGS=" "-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" "doc" "--lib" "--no-deps" "-j2", kill_on_drop: false }`
[INFO] [stdout] adea6276c4143ba890f3a833c8ccce090c80fee870bbd44d38c36336aa4974df
[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" "adea6276c4143ba890f3a833c8ccce090c80fee870bbd44d38c36336aa4974df", kill_on_drop: false }`
[INFO] [stderr] /opt/crates-build-env/entrypoint.sh: line 7: /etc/hosts: Permission denied
[INFO] [stderr]    Compiling proc-macro2 v1.0.21
[INFO] [stderr]     Checking unicode-xid v0.2.1
[INFO] [stderr]    Compiling syn v1.0.41
[INFO] [stderr]     Checking unicode-width v0.1.8
[INFO] [stderr]     Checking termcolor v1.1.0
[INFO] [stderr]     Checking cc v1.0.60
[INFO] [stderr]     Checking codespan-reporting v0.9.5
[INFO] [stderr]     Checking quote v1.0.7
[INFO] [stderr]  Documenting cxx-build v0.4.7 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 7.18s
[INFO] running `Command { std: "docker" "inspect" "adea6276c4143ba890f3a833c8ccce090c80fee870bbd44d38c36336aa4974df", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "adea6276c4143ba890f3a833c8ccce090c80fee870bbd44d38c36336aa4974df", kill_on_drop: false }`
[INFO] [stdout] adea6276c4143ba890f3a833c8ccce090c80fee870bbd44d38c36336aa4974df