error[E0005]: refutable pattern in local binding
  --> $DIR/bad-pattern.rs:13:13
   |
LL |         let 0 = v1;
   |             ^ pattern `1_u32..=u32::MAX` not covered
   |
   = note: `let` bindings require an "irrefutable pattern", like a `struct` or an `enum` with only one variant
   = note: for more information, visit https://doc.rust-lang.org/book/ch18-02-refutability.html
   = note: the matched value is of type `u32`
help: you might want to use `if let` to ignore the variant that isn't matched
   |
LL |         if let 0 = v1 { todo!() };
   |         ++            +++++++++++
help: alternatively, you could prepend the pattern with an underscore to define a new named variable; identifiers cannot begin with digits
   |
LL |         let _0 = v1;
   |             +

error[E0005]: refutable pattern in local binding
  --> $DIR/bad-pattern.rs:14:14
   |
LL |         let (0 | 1) = v1;
   |              ^^^^^ pattern `2_u32..=u32::MAX` not covered
   |
   = note: `let` bindings require an "irrefutable pattern", like a `struct` or an `enum` with only one variant
   = note: for more information, visit https://doc.rust-lang.org/book/ch18-02-refutability.html
   = note: the matched value is of type `u32`
help: you might want to use `if let` to ignore the variant that isn't matched
   |
LL |         if let (0 | 1) = v1 { todo!() };
   |         ++                  +++++++++++

error[E0005]: refutable pattern in local binding
  --> $DIR/bad-pattern.rs:15:13
   |
LL |         let 1.. = v1;
   |             ^^^ pattern `0_u32` not covered
   |
   = note: `let` bindings require an "irrefutable pattern", like a `struct` or an `enum` with only one variant
   = note: for more information, visit https://doc.rust-lang.org/book/ch18-02-refutability.html
   = note: the matched value is of type `u32`
help: you might want to use `if let` to ignore the variant that isn't matched
   |
LL |         if let 1.. = v1 { todo!() };
   |         ++              +++++++++++

error[E0005]: refutable pattern in local binding
  --> $DIR/bad-pattern.rs:16:13
   |
LL |         let [0, 0, 0, 0] = v2;
   |             ^^^^^^^^^^^^ pattern `[1_u32..=u32::MAX, _, _, _]` not covered
   |
   = note: `let` bindings require an "irrefutable pattern", like a `struct` or an `enum` with only one variant
   = note: for more information, visit https://doc.rust-lang.org/book/ch18-02-refutability.html
   = note: the matched value is of type `[u32; 4]`
help: you might want to use `if let` to ignore the variant that isn't matched
   |
LL |         if let [0, 0, 0, 0] = v2 { todo!() };
   |         ++                       +++++++++++

error[E0005]: refutable pattern in local binding
  --> $DIR/bad-pattern.rs:17:13
   |
LL |         let [0] = v4;
   |             ^^^ patterns `&[]` and `&[_, _, ..]` not covered
   |
   = note: `let` bindings require an "irrefutable pattern", like a `struct` or an `enum` with only one variant
   = note: for more information, visit https://doc.rust-lang.org/book/ch18-02-refutability.html
   = note: the matched value is of type `&[u32]`
help: you might want to use `if let` to ignore the variants that aren't matched
   |
LL |         if let [0] = v4 { todo!() };
   |         ++              +++++++++++

error[E0005]: refutable pattern in local binding
  --> $DIR/bad-pattern.rs:18:13
   |
LL |         let Refutable::A = v3;
   |             ^^^^^^^^^^^^ pattern `Refutable::B` not covered
   |
   = note: `let` bindings require an "irrefutable pattern", like a `struct` or an `enum` with only one variant
   = note: for more information, visit https://doc.rust-lang.org/book/ch18-02-refutability.html
note: `Refutable` defined here
  --> $DIR/bad-pattern.rs:4:6
   |
LL | enum Refutable {
   |      ^^^^^^^^^
LL |     A,
LL |     B,
   |     - not covered
   = note: the matched value is of type `Refutable`
help: you might want to use `if let` to ignore the variant that isn't matched
   |
LL |         if let Refutable::A = v3 { todo!() };
   |         ++                       +++++++++++

error[E0005]: refutable pattern in local binding
  --> $DIR/bad-pattern.rs:19:13
   |
LL |         let PAT = v1;
   |             ^^^
   |             |
   |             pattern `1_u32..=u32::MAX` not covered
   |             missing patterns are not covered because `PAT` is interpreted as a constant pattern, not a new variable
   |             help: introduce a variable instead: `PAT_var`
   |
   = note: `let` bindings require an "irrefutable pattern", like a `struct` or an `enum` with only one variant
   = note: for more information, visit https://doc.rust-lang.org/book/ch18-02-refutability.html
   = note: the matched value is of type `u32`

error: aborting due to 7 previous errors

For more information about this error, try `rustc --explain E0005`.