tests/ui/imports/ambiguous-panic-pick-std.stderr

warning: `panic` is ambiguous
  --> $DIR/ambiguous-panic-pick-std.rs:10:5
   |
LL |     panic!(std::string::String::new());
   |     ^^^^^ ambiguous name
   |
   = note: ambiguous because of a conflict between a name from a glob import and an outer scope during import or macro resolution
note: `panic` could refer to the macro imported here
  --> $DIR/ambiguous-panic-pick-std.rs:7:5
   |
LL | use ::std::prelude::v1::*;
   |     ^^^^^^^^^^^^^^^^^^^^^
   = help: consider adding an explicit import of `panic` to disambiguate
   = help: or use `crate::panic` to refer to this macro unambiguously
note: `panic` could also refer to a macro from prelude
  --> $SRC_DIR/core/src/prelude/mod.rs:LL:COL
   = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
   = note: for more information, see issue #147319 <https://github.com/rust-lang/rust/issues/147319>
   = note: `#[warn(ambiguous_panic_imports)]` (part of `#[warn(future_incompatible)]`) on by default

warning: panic message is not a string literal
  --> $DIR/ambiguous-panic-pick-std.rs:10:12
   |
LL |     panic!(std::string::String::new());
   |            ^^^^^^^^^^^^^^^^^^^^^^^^^^
   |
   = note: this usage of `panic!()` is deprecated; it will be a hard error in Rust 2021
   = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2021/panic-macro-consistency.html>
   = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2021/panic-macro-consistency.html>
   = note: `#[warn(non_fmt_panics)]` (part of `#[warn(rust_2021_compatibility)]`) on by default
help: add a "{}" format string to `Display` the message
   |
LL |     panic!("{}", std::string::String::new());
   |            +++++

warning: 2 warnings emitted