proc-macro-error-attr 0.4.12

# rustc version
rustc 1.44.0-nightly (d1e81ef23 2020-03-22)# docs.rs version
docsrs 0.6.0 (794c8db 2020-03-21)# build log
[INFO] running `"docker" "create" "-v" "/home/cratesfyi/workspace/builds/proc-macro-error-attr-0.4.12/target:/opt/rustwide/target:rw,Z" "-v" "/home/cratesfyi/workspace/builds/proc-macro-error-attr-0.4.12/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 -20200322-1.44.0-nightly-d1e81ef23 --static-root-path / --extern-html-root-url syn=https://docs.rs/syn/1.0.17 --extern-html-root-url version_check=https://docs.rs/version_check/0.9.1 --extern-html-root-url proc_macro2=https://docs.rs/proc-macro2/1.0.9 --extern-html-root-url syn_mid=https://docs.rs/syn-mid/0.5.0 --extern-html-root-url quote=https://docs.rs/quote/1.0.3" "-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"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] bb83d5c56eee0af3da6dbcdbfdbca74b07f4bbe1e4bb88990613823869253888
[INFO] running `"docker" "start" "-a" "bb83d5c56eee0af3da6dbcdbfdbca74b07f4bbe1e4bb88990613823869253888"`
[INFO] [stderr]    Compiling proc-macro2 v1.0.9
[INFO] [stderr]     Checking unicode-xid v0.2.0
[INFO] [stderr]    Compiling syn v1.0.17
[INFO] [stderr]    Compiling version_check v0.9.1
[INFO] [stderr]    Compiling proc-macro-error-attr v0.4.12 (/opt/rustwide/workdir)
[INFO] [stderr]     Checking quote v1.0.3
[INFO] [stderr]     Checking syn-mid v0.5.0
[INFO] [stderr]  Documenting proc-macro-error-attr v0.4.12 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 6.09s
[INFO] running `"docker" "inspect" "bb83d5c56eee0af3da6dbcdbfdbca74b07f4bbe1e4bb88990613823869253888"`
[INFO] running `"docker" "rm" "-f" "bb83d5c56eee0af3da6dbcdbfdbca74b07f4bbe1e4bb88990613823869253888"`
[INFO] [stdout] bb83d5c56eee0af3da6dbcdbfdbca74b07f4bbe1e4bb88990613823869253888