try_default 1.0.0

A trait to optionally get the Default if present, or None if there is no Default.
Documentation
Build #359395 2021-03-08T18:14:16.299155+00:00
# rustc version
rustc 1.52.0-nightly (234781afe 2021-03-07)
# docs.rs version
docsrs 0.6.0 (918ee5d 2021-03-06)

# build log
[INFO] running `Command { std: "docker" "create" "-v" "/home/cratesfyi/workspace/builds/try_default-1.0.0/target:/opt/rustwide/target:rw,Z" "-v" "/home/cratesfyi/workspace/builds/try_default-1.0.0/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" "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:f2f6bcd4b43ebee4e173f653a26493129bdb64017c85f916b780ca7fbdbaa79d" "/opt/rustwide/cargo-home/bin/cargo" "+nightly" "rustdoc" "--lib" "-Zrustdoc-map" "-Zunstable-options" "--config=doc.extern-map.registries.crates-io=\"https://docs.rs\"" "-j2" "--" "-Z" "unstable-options" "--resource-suffix" "-20210307-1.52.0-nightly-234781afe" "--static-root-path" "/" "--cap-lints" "warn" "--disable-per-crate-search", kill_on_drop: false }`
[INFO] [stdout] 2db02efc4267ef457a12ad12b51df8db8e32e0c110ee562f7af15c669f0c2c29
[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" "2db02efc4267ef457a12ad12b51df8db8e32e0c110ee562f7af15c669f0c2c29", kill_on_drop: false }`
[INFO] [stderr] /opt/crates-build-env/entrypoint.sh: line 7: /etc/hosts: Permission denied
[INFO] [stderr]  Documenting try_default v1.0.0 (/opt/rustwide/workdir)
[INFO] [stderr] warning: the feature `specialization` is incomplete and may not be safe to use and/or cause compiler crashes
[INFO] [stderr]  --> src/lib.rs:1:12
[INFO] [stderr]   |
[INFO] [stderr] 1 | #![feature(specialization)]
[INFO] [stderr]   |            ^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(incomplete_features)]` on by default
[INFO] [stderr]   = note: see issue #31844 <https://github.com/rust-lang/rust/issues/31844> for more information
[INFO] [stderr]   = help: consider using `min_specialization` instead, which is more stable and complete
[INFO] [stderr] 
[INFO] [stderr] warning: 1 warning emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.64s
[INFO] running `Command { std: "docker" "inspect" "2db02efc4267ef457a12ad12b51df8db8e32e0c110ee562f7af15c669f0c2c29", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2db02efc4267ef457a12ad12b51df8db8e32e0c110ee562f7af15c669f0c2c29", kill_on_drop: false }`
[INFO] [stdout] 2db02efc4267ef457a12ad12b51df8db8e32e0c110ee562f7af15c669f0c2c29