error[E0793]: reference to packed field is unaligned
  --> $DIR/issue-53114-safety-checks.rs:23:13
   |
LL |     let _ = &p.b;
   |             ^^^^
   |
   = note: fields of packed structs are not properly aligned, and creating a misaligned reference is undefined behavior (even if that reference is never dereferenced)
   = help: copy the field contents to a local variable, or replace the reference with a raw pointer and use `read_unaligned`/`write_unaligned` (loads and stores via `*p` must be properly aligned even when using raw pointers)

error[E0793]: reference to packed field is unaligned
  --> $DIR/issue-53114-safety-checks.rs:28:17
   |
LL |     let (_,) = (&p.b,);
   |                 ^^^^
   |
   = note: fields of packed structs are not properly aligned, and creating a misaligned reference is undefined behavior (even if that reference is never dereferenced)
   = help: copy the field contents to a local variable, or replace the reference with a raw pointer and use `read_unaligned`/`write_unaligned` (loads and stores via `*p` must be properly aligned even when using raw pointers)

error[E0793]: reference to packed field is unaligned
  --> $DIR/issue-53114-safety-checks.rs:37:11
   |
LL |     match &p.b  { _ => { } }
   |           ^^^^
   |
   = note: fields of packed structs are not properly aligned, and creating a misaligned reference is undefined behavior (even if that reference is never dereferenced)
   = help: copy the field contents to a local variable, or replace the reference with a raw pointer and use `read_unaligned`/`write_unaligned` (loads and stores via `*p` must be properly aligned even when using raw pointers)

error[E0793]: reference to packed field is unaligned
  --> $DIR/issue-53114-safety-checks.rs:42:12
   |
LL |     match (&p.b,)  { (_,) => { } }
   |            ^^^^
   |
   = note: fields of packed structs are not properly aligned, and creating a misaligned reference is undefined behavior (even if that reference is never dereferenced)
   = help: copy the field contents to a local variable, or replace the reference with a raw pointer and use `read_unaligned`/`write_unaligned` (loads and stores via `*p` must be properly aligned even when using raw pointers)

error[E0133]: access to union field is unsafe and requires unsafe function or block
  --> $DIR/issue-53114-safety-checks.rs:25:13
   |
LL |     let _ = &u2.a;
   |             ^^^^^ access to union field
   |
   = note: the field may not be properly initialized: using uninitialized data will cause undefined behavior

error[E0133]: access to union field is unsafe and requires unsafe function or block
  --> $DIR/issue-53114-safety-checks.rs:29:17
   |
LL |     let (_,) = (u1.a,);
   |                 ^^^^ access to union field
   |
   = note: the field may not be properly initialized: using uninitialized data will cause undefined behavior

error[E0133]: access to union field is unsafe and requires unsafe function or block
  --> $DIR/issue-53114-safety-checks.rs:30:17
   |
LL |     let (_,) = (&u2.a,);
   |                 ^^^^^ access to union field
   |
   = note: the field may not be properly initialized: using uninitialized data will cause undefined behavior

error[E0133]: access to union field is unsafe and requires unsafe function or block
  --> $DIR/issue-53114-safety-checks.rs:38:11
   |
LL |     match u1.a  { _ => { } }
   |           ^^^^ access to union field
   |
   = note: the field may not be properly initialized: using uninitialized data will cause undefined behavior

error[E0133]: access to union field is unsafe and requires unsafe function or block
  --> $DIR/issue-53114-safety-checks.rs:39:11
   |
LL |     match &u2.a { _ => { } }
   |           ^^^^^ access to union field
   |
   = note: the field may not be properly initialized: using uninitialized data will cause undefined behavior

error[E0133]: access to union field is unsafe and requires unsafe function or block
  --> $DIR/issue-53114-safety-checks.rs:43:12
   |
LL |     match (u1.a,)  { (_,) => { } }
   |            ^^^^ access to union field
   |
   = note: the field may not be properly initialized: using uninitialized data will cause undefined behavior

error[E0133]: access to union field is unsafe and requires unsafe function or block
  --> $DIR/issue-53114-safety-checks.rs:44:12
   |
LL |     match (&u2.a,) { (_,) => { } }
   |            ^^^^^ access to union field
   |
   = note: the field may not be properly initialized: using uninitialized data will cause undefined behavior

error: aborting due to 11 previous errors

Some errors have detailed explanations: E0133, E0793.
For more information about an error, try `rustc --explain E0133`.