extensible 0.0.1

# rustc version
rustc 1.28.0-dev (b9bf4f162 2018-06-02)
# docs.rs version
cratesfyi 0.5.0 (579f83b 2018-03-05)

# build log
Updating registry `https://github.com/rust-lang/crates.io-index`
Documenting extensible v0.0.1
Running `rustdoc --crate-name extensible .cargo/registry/src/github.com-1ecc6299db9ec823/extensible-0.0.1/src/lib.rs -o /home/cratesfyi/cratesfyi/doc -Z unstable-options --resource-suffix -20180602-1.28.0-dev-b9bf4f162 -L dependency=/home/cratesfyi/cratesfyi/debug/deps`
error[E0658]: :vis fragment specifier is experimental and subject to change (see issue #41022)
--> <declare_lint macros>:1:3
|
1 | ( $ vis : vis $ NAME : ident , $ Level : ident , $ desc : expr ) => (
|   ^^^^^^^^^^^
|
= help: add #![feature(macro_vis_matcher)] to the crate attributes to enable

error[E0658]: Using the `?` macro Kleene operator for "at most one" repetition is unstable (see issue #48075)
--> <declare_lint macros>:6:37
|
6 | : expr => $ edition_level : ident $ ( , ) ? ) => (
|                                     ^^^^^
|
= help: add #![feature(macro_at_most_once_rep)] to the crate attributes to enable

error[E0658]: :vis fragment specifier is experimental and subject to change (see issue #41022)
--> <declare_lint macros>:5:1
|
5 | $ vis : vis $ NAME : ident , $ Level : ident , $ desc : expr , $ lint_edition
| ^^^^^^^^^^^
|
= help: add #![feature(macro_vis_matcher)] to the crate attributes to enable

error[E0658]: Using the `?` macro Kleene operator for "at most one" repetition is unstable (see issue #48075)
--> <lint_array macros>:1:29
|
1 | ( $ ( $ lint : expr ) , * $ ( , ) ? ) => {
|                             ^^^^^
|
= help: add #![feature(macro_at_most_once_rep)] to the crate attributes to enable

thread 'main' panicked at 'Error(
CargoError(
ChainedError {
error: Could not document `extensible`.,
cause: process didn't exit successfully: `rustdoc --crate-name extensible .cargo/registry/src/github.com-1ecc6299db9ec823/extensible-0.0.1/src/lib.rs -o /home/cratesfyi/cratesfyi/doc -Z unstable-options --resource-suffix -20180602-1.28.0-dev-b9bf4f162 -L dependency=/home/cratesfyi/cratesfyi/debug/deps` (exit code: 101)
}
),
State {
next_error: None,
backtrace: None
}
)', src/bin/cratesfyi.rs:142:13
note: Run with `RUST_BACKTRACE=1` for a backtrace.