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# rustc version rustc 1.26.0-dev (0eb87c9bf 2018-03-16)
# docs.rs version cratesfyi 0.5.0 (579f83b 2018-03-05)
# build log Updating registry `https://github.com/rust-lang/crates.io-index` Downloading generator_ext v0.1.2 Documenting generator_ext v0.1.2 Running `rustdoc --crate-name generator_ext .cargo/registry/src/github.com-1ecc6299db9ec823/generator_ext-0.1.2/src/lib.rs -o /home/cratesfyi/cratesfyi/doc -Z unstable-options --resource-suffix -20180316-1.26.0-dev-0eb87c9bf -L dependency=/home/cratesfyi/cratesfyi/debug/deps` error[E0658]: `impl Trait` in argument position is experimental (see issue #34511) --> .cargo/registry/src/github.com-1ecc6299db9ec823/generator_ext-0.1.2/src/gen.rs:94:30 | 94 | pub fn chain<O>(self, g: impl FnOnce(G::Return) -> O) -> Option<Callable<impl Generator<Yield = G::Yield, Return = G::Return>>> | ^^^^^^^^^^^^^^^^^^^^^^^^^^^ | = help: add #![feature(universal_impl_trait)] to the crate attributes to enable error[E0658]: `impl Trait` in return position is experimental (see issue #34511) --> .cargo/registry/src/github.com-1ecc6299db9ec823/generator_ext-0.1.2/src/gen.rs:94:78 | 94 | pub fn chain<O>(self, g: impl FnOnce(G::Return) -> O) -> Option<Callable<impl Generator<Yield = G::Yield, Return = G::Return>>> | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ | = help: add #![feature(conservative_impl_trait)] to the crate attributes to enable error[E0658]: `impl Trait` in argument position is experimental (see issue #34511) --> .cargo/registry/src/github.com-1ecc6299db9ec823/generator_ext-0.1.2/src/gen.rs:113:37 | 113 | pub fn move_into<O>(self, func: impl FnOnce(G) -> O) -> Option<Callable<impl Generator<Yield = O::Yield, Return = O::Return>>> | ^^^^^^^^^^^^^^^^^^^ | = help: add #![feature(universal_impl_trait)] to the crate attributes to enable error[E0658]: `impl Trait` in return position is experimental (see issue #34511) --> .cargo/registry/src/github.com-1ecc6299db9ec823/generator_ext-0.1.2/src/gen.rs:113:77 | 113 | pub fn move_into<O>(self, func: impl FnOnce(G) -> O) -> Option<Callable<impl Generator<Yield = O::Yield, Return = O::Return>>> | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ | = help: add #![feature(conservative_impl_trait)] to the crate attributes to enable error[E0658]: `impl Trait` in argument position is experimental (see issue #34511) --> .cargo/registry/src/github.com-1ecc6299db9ec823/generator_ext-0.1.2/src/gen.rs:125:36 | 125 | pub fn make_new<O>(self, func: impl FnOnce(Self) -> O) -> Option<Callable<impl Generator<Yield = O::Yield, Return = O::Return>>> | ^^^^^^^^^^^^^^^^^^^^^^ | = help: add #![feature(universal_impl_trait)] to the crate attributes to enable error[E0658]: `impl Trait` in return position is experimental (see issue #34511) --> .cargo/registry/src/github.com-1ecc6299db9ec823/generator_ext-0.1.2/src/gen.rs:125:79 | 125 | pub fn make_new<O>(self, func: impl FnOnce(Self) -> O) -> Option<Callable<impl Generator<Yield = O::Yield, Return = O::Return>>> | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ | = help: add #![feature(conservative_impl_trait)] to the crate attributes to enable error[E0658]: `impl Trait` in argument position is experimental (see issue #34511) --> .cargo/registry/src/github.com-1ecc6299db9ec823/generator_ext-0.1.2/src/gen.rs:139:58 | 139 | pub fn borrow_mut<'a, 's: 'a, O>(&'s mut self, func: impl FnOnce(&'a mut Self) -> O) -> Option<Callable<impl Generator<Yield = O::Yield, Return = O::Return>>> | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ | = help: add #![feature(universal_impl_trait)] to the crate attributes to enable error[E0658]: `impl Trait` in return position is experimental (see issue #34511) --> .cargo/registry/src/github.com-1ecc6299db9ec823/generator_ext-0.1.2/src/gen.rs:139:109 | 139 | pub fn borrow_mut<'a, 's: 'a, O>(&'s mut self, func: impl FnOnce(&'a mut Self) -> O) -> Option<Callable<impl Generator<Yield = O::Yield, Return = O::Return>>> | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ | = help: add #![feature(conservative_impl_trait)] to the crate attributes to enable error: Compilation failed, aborting rustdoc thread 'main' panicked at 'Error( CargoError( ChainedError { error: Could not document `generator_ext`., cause: process didn't exit successfully: `rustdoc --crate-name generator_ext .cargo/registry/src/github.com-1ecc6299db9ec823/generator_ext-0.1.2/src/lib.rs -o /home/cratesfyi/cratesfyi/doc -Z unstable-options --resource-suffix -20180316-1.26.0-dev-0eb87c9bf -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.