error: absolute paths must start with `self`, `super`, `crate`, or an external crate name in the 2018 edition
  --> $DIR/edition-lint-nested-paths.rs:6:5
   |
LL | use foo::{a, b};
   |     ^^^^^^^^^^^ help: use `crate`: `crate::foo::{a, b}`
   |
note: the lint level is defined here
  --> $DIR/edition-lint-nested-paths.rs:4:9
   |
LL | #![deny(absolute_paths_not_starting_with_crate)]
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
   = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2018!
   = note: for more information, see issue #53130 <https://github.com/rust-lang/rust/issues/53130>

error: absolute paths must start with `self`, `super`, `crate`, or an external crate name in the 2018 edition
  --> $DIR/edition-lint-nested-paths.rs:6:5
   |
LL | use foo::{a, b};
   |     ^^^^^^^^^^^ help: use `crate`: `crate::foo::{a, b}`
   |
   = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2018!
   = note: for more information, see issue #53130 <https://github.com/rust-lang/rust/issues/53130>

error: absolute paths must start with `self`, `super`, `crate`, or an external crate name in the 2018 edition
  --> $DIR/edition-lint-nested-paths.rs:23:13
   |
LL |         use foo::{self as x, c};
   |             ^^^^^^^^^^^^^^^^^^^ help: use `crate`: `crate::foo::{self as x, c}`
   |
   = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2018!
   = note: for more information, see issue #53130 <https://github.com/rust-lang/rust/issues/53130>

error: absolute paths must start with `self`, `super`, `crate`, or an external crate name in the 2018 edition
  --> $DIR/edition-lint-nested-paths.rs:23:13
   |
LL |         use foo::{self as x, c};
   |             ^^^^^^^^^^^^^^^^^^^ help: use `crate`: `crate::foo::{self as x, c}`
   |
   = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2018!
   = note: for more information, see issue #53130 <https://github.com/rust-lang/rust/issues/53130>

error: aborting due to 4 previous errors