born 0.0.0

Reuse fields from Struct and Enum definition with functional macros.
Documentation
Build #252945 2020-05-22T16:55:09.571754+00:00
# rustc version
rustc 1.45.0-nightly (9310e3bd4 2020-05-21)
# docs.rs version
docsrs 0.6.0 (28f8bf0 2020-05-20)

# build log
[INFO] running `"docker" "create" "-v" "/home/cratesfyi/workspace/builds/born-0.0.0/target:/opt/rustwide/target:rw,Z" "-v" "/home/cratesfyi/workspace/builds/born-0.0.0/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 -20200521-1.45.0-nightly-9310e3bd4 --static-root-path / --cap-lints warn --extern-html-root-url macrotest=https://docs.rs/macrotest/1.0.2 --extern-html-root-url trybuild=https://docs.rs/trybuild/1.0.27 --extern-html-root-url doc_comment=https://docs.rs/doc-comment/0.3.3" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "3221225472" "--cpus" "2" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+nightly" "doc" "--lib" "--no-deps" "-j2"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] cefde0a3eb606882ea58cd671cd6b555c75127a5e1523fc99bdc3682bb1b1491
[INFO] running `"docker" "start" "-a" "cefde0a3eb606882ea58cd671cd6b555c75127a5e1523fc99bdc3682bb1b1491"`
[INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted
[INFO] [stderr]  Documenting born v0.0.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.98s
[INFO] running `"docker" "inspect" "cefde0a3eb606882ea58cd671cd6b555c75127a5e1523fc99bdc3682bb1b1491"`
[INFO] running `"docker" "rm" "-f" "cefde0a3eb606882ea58cd671cd6b555c75127a5e1523fc99bdc3682bb1b1491"`
[INFO] [stdout] cefde0a3eb606882ea58cd671cd6b555c75127a5e1523fc99bdc3682bb1b1491