error[E0658]: ergonomic clones are experimental --> $DIR/feature-gate-ergonomic-clones.rs:5:7 | LL | x.use | ^^^ | = note: see issue #132290 for more information = help: add `#![feature(ergonomic_clones)]` to the crate attributes to enable = note: this compiler was built on YYYY-MM-DD; consider upgrading it if it is out of date error[E0658]: ergonomic clones are experimental --> $DIR/feature-gate-ergonomic-clones.rs:21:14 | LL | let f2 = use || { | ^^^ | = note: see issue #132290 for more information = help: add `#![feature(ergonomic_clones)]` to the crate attributes to enable = note: this compiler was built on YYYY-MM-DD; consider upgrading it if it is out of date error[E0658]: ergonomic clones are experimental --> $DIR/feature-gate-ergonomic-clones.rs:26:14 | LL | let f3 = use || { | ^^^ | = note: see issue #132290 for more information = help: add `#![feature(ergonomic_clones)]` to the crate attributes to enable = note: this compiler was built on YYYY-MM-DD; consider upgrading it if it is out of date error[E0658]: use of unstable library feature `ergonomic_clones` --> $DIR/feature-gate-ergonomic-clones.rs:1:5 | LL | use std::clone::UseCloned; | ^^^^^^^^^^^^^^^^^^^^^ | = note: see issue #132290 for more information = help: add `#![feature(ergonomic_clones)]` to the crate attributes to enable = note: this compiler was built on YYYY-MM-DD; consider upgrading it if it is out of date error[E0658]: use of unstable library feature `ergonomic_clones` --> $DIR/feature-gate-ergonomic-clones.rs:12:11 | LL | fn foo() {} | ^^^^^^^^^ | = note: see issue #132290 for more information = help: add `#![feature(ergonomic_clones)]` to the crate attributes to enable = note: this compiler was built on YYYY-MM-DD; consider upgrading it if it is out of date error[E0658]: use of unstable library feature `ergonomic_clones` --> $DIR/feature-gate-ergonomic-clones.rs:15:6 | LL | impl UseCloned for Foo {} | ^^^^^^^^^ | = note: see issue #132290 for more information = help: add `#![feature(ergonomic_clones)]` to the crate attributes to enable = note: this compiler was built on YYYY-MM-DD; consider upgrading it if it is out of date error: aborting due to 6 previous errors For more information about this error, try `rustc --explain E0658`.