Auto merge of #5099 - JohnTitor:split-up-non-copy-const, r=flip1995

Split up `non_copy_const` ui test

Part of #2038
Maybe there is a better way to avoid duplications of constants.

changelog: none

tests/ui/borrow_interior_mutable_const.rs

@@ -1,4 +1,5 @@
-#![allow(clippy::ref_in_deref, dead_code)]
+#![warn(clippy::borrow_interior_mutable_const)]
+#![allow(clippy::declare_interior_mutable_const, clippy::ref_in_deref)]
 
 use std::borrow::Cow;
 use std::cell::Cell;
@@ -6,88 +7,27 @@ use std::fmt::Display;
 use std::sync::atomic::{AtomicUsize, Ordering};
 use std::sync::Once;
 
-const ATOMIC: AtomicUsize = AtomicUsize::new(5); //~ ERROR interior mutable
+const ATOMIC: AtomicUsize = AtomicUsize::new(5);
-const CELL: Cell<usize> = Cell::new(6); //~ ERROR interior mutable
+const CELL: Cell<usize> = Cell::new(6);
 const ATOMIC_TUPLE: ([AtomicUsize; 1], Vec<AtomicUsize>, u8) = ([ATOMIC], Vec::new(), 7);
-//~^ ERROR interior mutable
-
-macro_rules! declare_const {
-    ($name:ident: $ty:ty = $e:expr) => {
-        const $name: $ty = $e;
-    };
-}
-declare_const!(_ONCE: Once = Once::new()); //~ ERROR interior mutable
-
-// const ATOMIC_REF: &AtomicUsize = &AtomicUsize::new(7); // This will simply trigger E0492.
-
 const INTEGER: u8 = 8;
 const STRING: String = String::new();
 const STR: &str = "012345";
 const COW: Cow<str> = Cow::Borrowed("abcdef");
-//^ note: a const item of Cow is used in the `postgres` package.
-
 const NO_ANN: &dyn Display = &70;
-
 static STATIC_TUPLE: (AtomicUsize, String) = (ATOMIC, STRING);
-//^ there should be no lints on this line
-
-#[allow(clippy::declare_interior_mutable_const)]
 const ONCE_INIT: Once = Once::new();
 
 trait Trait<T>: Copy {
     type NonCopyType;
 
-    const ATOMIC: AtomicUsize; //~ ERROR interior mutable
+    const ATOMIC: AtomicUsize;
-    const INTEGER: u64;
-    const STRING: String;
-    const SELF: Self; // (no error)
-    const INPUT: T;
-    //~^ ERROR interior mutable
-    //~| HELP consider requiring `T` to be `Copy`
-    const ASSOC: Self::NonCopyType;
-    //~^ ERROR interior mutable
-    //~| HELP consider requiring `<Self as Trait<T>>::NonCopyType` to be `Copy`
-
-    const AN_INPUT: T = Self::INPUT;
-    //~^ ERROR interior mutable
-    //~| ERROR consider requiring `T` to be `Copy`
-    declare_const!(ANOTHER_INPUT: T = Self::INPUT); //~ ERROR interior mutable
 }
 
-trait Trait2 {
-    type CopyType: Copy;
-
-    const SELF_2: Self;
-    //~^ ERROR interior mutable
-    //~| HELP consider requiring `Self` to be `Copy`
-    const ASSOC_2: Self::CopyType; // (no error)
-}
-
-// we don't lint impl of traits, because an impl has no power to change the interface.
 impl Trait<u32> for u64 {
     type NonCopyType = u16;
 
     const ATOMIC: AtomicUsize = AtomicUsize::new(9);
-    const INTEGER: u64 = 10;
-    const STRING: String = String::new();
-    const SELF: Self = 11;
-    const INPUT: u32 = 12;
-    const ASSOC: Self::NonCopyType = 13;
-}
-
-struct Local<T, U>(T, U);
-
-impl<T: Trait2 + Trait<u32>, U: Trait2> Local<T, U> {
-    const ASSOC_3: AtomicUsize = AtomicUsize::new(14); //~ ERROR interior mutable
-    const COW: Cow<'static, str> = Cow::Borrowed("tuvwxy");
-    const T_SELF: T = T::SELF_2;
-    const U_SELF: U = U::SELF_2;
-    //~^ ERROR interior mutable
-    //~| HELP consider requiring `U` to be `Copy`
-    const T_ASSOC: T::NonCopyType = T::ASSOC;
-    //~^ ERROR interior mutable
-    //~| HELP consider requiring `<T as Trait<u32>>::NonCopyType` to be `Copy`
-    const U_ASSOC: U::CopyType = U::ASSOC_2;
 }
 
 fn main() {

tests/ui/borrow_interior_mutable_const.stderr

@@ -0,0 +1,131 @@
+error: a `const` item with interior mutability should not be borrowed
+  --> $DIR/borrow_interior_mutable_const.rs:34:5
+   |
+LL |     ATOMIC.store(1, Ordering::SeqCst); //~ ERROR interior mutability
+   |     ^^^^^^
+   |
+   = note: `-D clippy::borrow-interior-mutable-const` implied by `-D warnings`
+   = help: assign this const to a local or static variable, and use the variable here
+
+error: a `const` item with interior mutability should not be borrowed
+  --> $DIR/borrow_interior_mutable_const.rs:35:16
+   |
+LL |     assert_eq!(ATOMIC.load(Ordering::SeqCst), 5); //~ ERROR interior mutability
+   |                ^^^^^^
+   |
+   = help: assign this const to a local or static variable, and use the variable here
+
+error: a `const` item with interior mutability should not be borrowed
+  --> $DIR/borrow_interior_mutable_const.rs:38:22
+   |
+LL |     let _once_ref = &ONCE_INIT; //~ ERROR interior mutability
+   |                      ^^^^^^^^^
+   |
+   = help: assign this const to a local or static variable, and use the variable here
+
+error: a `const` item with interior mutability should not be borrowed
+  --> $DIR/borrow_interior_mutable_const.rs:39:25
+   |
+LL |     let _once_ref_2 = &&ONCE_INIT; //~ ERROR interior mutability
+   |                         ^^^^^^^^^
+   |
+   = help: assign this const to a local or static variable, and use the variable here
+
+error: a `const` item with interior mutability should not be borrowed
+  --> $DIR/borrow_interior_mutable_const.rs:40:27
+   |
+LL |     let _once_ref_4 = &&&&ONCE_INIT; //~ ERROR interior mutability
+   |                           ^^^^^^^^^
+   |
+   = help: assign this const to a local or static variable, and use the variable here
+
+error: a `const` item with interior mutability should not be borrowed
+  --> $DIR/borrow_interior_mutable_const.rs:41:26
+   |
+LL |     let _once_mut = &mut ONCE_INIT; //~ ERROR interior mutability
+   |                          ^^^^^^^^^
+   |
+   = help: assign this const to a local or static variable, and use the variable here
+
+error: a `const` item with interior mutability should not be borrowed
+  --> $DIR/borrow_interior_mutable_const.rs:52:14
+   |
+LL |     let _ = &ATOMIC_TUPLE; //~ ERROR interior mutability
+   |              ^^^^^^^^^^^^
+   |
+   = help: assign this const to a local or static variable, and use the variable here
+
+error: a `const` item with interior mutability should not be borrowed
+  --> $DIR/borrow_interior_mutable_const.rs:53:14
+   |
+LL |     let _ = &ATOMIC_TUPLE.0; //~ ERROR interior mutability
+   |              ^^^^^^^^^^^^
+   |
+   = help: assign this const to a local or static variable, and use the variable here
+
+error: a `const` item with interior mutability should not be borrowed
+  --> $DIR/borrow_interior_mutable_const.rs:54:19
+   |
+LL |     let _ = &(&&&&ATOMIC_TUPLE).0; //~ ERROR interior mutability
+   |                   ^^^^^^^^^^^^
+   |
+   = help: assign this const to a local or static variable, and use the variable here
+
+error: a `const` item with interior mutability should not be borrowed
+  --> $DIR/borrow_interior_mutable_const.rs:55:14
+   |
+LL |     let _ = &ATOMIC_TUPLE.0[0]; //~ ERROR interior mutability
+   |              ^^^^^^^^^^^^
+   |
+   = help: assign this const to a local or static variable, and use the variable here
+
+error: a `const` item with interior mutability should not be borrowed
+  --> $DIR/borrow_interior_mutable_const.rs:56:13
+   |
+LL |     let _ = ATOMIC_TUPLE.0[0].load(Ordering::SeqCst); //~ ERROR interior mutability
+   |             ^^^^^^^^^^^^
+   |
+   = help: assign this const to a local or static variable, and use the variable here
+
+error: a `const` item with interior mutability should not be borrowed
+  --> $DIR/borrow_interior_mutable_const.rs:62:13
+   |
+LL |     let _ = ATOMIC_TUPLE.0[0]; //~ ERROR interior mutability
+   |             ^^^^^^^^^^^^
+   |
+   = help: assign this const to a local or static variable, and use the variable here
+
+error: a `const` item with interior mutability should not be borrowed
+  --> $DIR/borrow_interior_mutable_const.rs:67:5
+   |
+LL |     CELL.set(2); //~ ERROR interior mutability
+   |     ^^^^
+   |
+   = help: assign this const to a local or static variable, and use the variable here
+
+error: a `const` item with interior mutability should not be borrowed
+  --> $DIR/borrow_interior_mutable_const.rs:68:16
+   |
+LL |     assert_eq!(CELL.get(), 6); //~ ERROR interior mutability
+   |                ^^^^
+   |
+   = help: assign this const to a local or static variable, and use the variable here
+
+error: a `const` item with interior mutability should not be borrowed
+  --> $DIR/borrow_interior_mutable_const.rs:81:5
+   |
+LL |     u64::ATOMIC.store(5, Ordering::SeqCst); //~ ERROR interior mutability
+   |     ^^^^^^^^^^^
+   |
+   = help: assign this const to a local or static variable, and use the variable here
+
+error: a `const` item with interior mutability should not be borrowed
+  --> $DIR/borrow_interior_mutable_const.rs:82:16
+   |
+LL |     assert_eq!(u64::ATOMIC.load(Ordering::SeqCst), 9); //~ ERROR interior mutability
+   |                ^^^^^^^^^^^
+   |
+   = help: assign this const to a local or static variable, and use the variable here
+
+error: aborting due to 16 previous errors
+

tests/ui/declare_interior_mutable_const.rs

@@ -0,0 +1,93 @@
+#![warn(clippy::declare_interior_mutable_const)]
+
+use std::borrow::Cow;
+use std::cell::Cell;
+use std::fmt::Display;
+use std::sync::atomic::AtomicUsize;
+use std::sync::Once;
+
+const ATOMIC: AtomicUsize = AtomicUsize::new(5); //~ ERROR interior mutable
+const CELL: Cell<usize> = Cell::new(6); //~ ERROR interior mutable
+const ATOMIC_TUPLE: ([AtomicUsize; 1], Vec<AtomicUsize>, u8) = ([ATOMIC], Vec::new(), 7);
+//~^ ERROR interior mutable
+
+macro_rules! declare_const {
+    ($name:ident: $ty:ty = $e:expr) => {
+        const $name: $ty = $e;
+    };
+}
+declare_const!(_ONCE: Once = Once::new()); //~ ERROR interior mutable
+
+// const ATOMIC_REF: &AtomicUsize = &AtomicUsize::new(7); // This will simply trigger E0492.
+
+const INTEGER: u8 = 8;
+const STRING: String = String::new();
+const STR: &str = "012345";
+const COW: Cow<str> = Cow::Borrowed("abcdef");
+//^ note: a const item of Cow is used in the `postgres` package.
+
+const NO_ANN: &dyn Display = &70;
+
+static STATIC_TUPLE: (AtomicUsize, String) = (ATOMIC, STRING);
+//^ there should be no lints on this line
+
+#[allow(clippy::declare_interior_mutable_const)]
+const ONCE_INIT: Once = Once::new();
+
+trait Trait<T>: Copy {
+    type NonCopyType;
+
+    const ATOMIC: AtomicUsize; //~ ERROR interior mutable
+    const INTEGER: u64;
+    const STRING: String;
+    const SELF: Self; // (no error)
+    const INPUT: T;
+    //~^ ERROR interior mutable
+    //~| HELP consider requiring `T` to be `Copy`
+    const ASSOC: Self::NonCopyType;
+    //~^ ERROR interior mutable
+    //~| HELP consider requiring `<Self as Trait<T>>::NonCopyType` to be `Copy`
+
+    const AN_INPUT: T = Self::INPUT;
+    //~^ ERROR interior mutable
+    //~| ERROR consider requiring `T` to be `Copy`
+    declare_const!(ANOTHER_INPUT: T = Self::INPUT); //~ ERROR interior mutable
+}
+
+trait Trait2 {
+    type CopyType: Copy;
+
+    const SELF_2: Self;
+    //~^ ERROR interior mutable
+    //~| HELP consider requiring `Self` to be `Copy`
+    const ASSOC_2: Self::CopyType; // (no error)
+}
+
+// we don't lint impl of traits, because an impl has no power to change the interface.
+impl Trait<u32> for u64 {
+    type NonCopyType = u16;
+
+    const ATOMIC: AtomicUsize = AtomicUsize::new(9);
+    const INTEGER: u64 = 10;
+    const STRING: String = String::new();
+    const SELF: Self = 11;
+    const INPUT: u32 = 12;
+    const ASSOC: Self::NonCopyType = 13;
+}
+
+struct Local<T, U>(T, U);
+
+impl<T: Trait2 + Trait<u32>, U: Trait2> Local<T, U> {
+    const ASSOC_3: AtomicUsize = AtomicUsize::new(14); //~ ERROR interior mutable
+    const COW: Cow<'static, str> = Cow::Borrowed("tuvwxy");
+    const T_SELF: T = T::SELF_2;
+    const U_SELF: U = U::SELF_2;
+    //~^ ERROR interior mutable
+    //~| HELP consider requiring `U` to be `Copy`
+    const T_ASSOC: T::NonCopyType = T::ASSOC;
+    //~^ ERROR interior mutable
+    //~| HELP consider requiring `<T as Trait<u32>>::NonCopyType` to be `Copy`
+    const U_ASSOC: U::CopyType = U::ASSOC_2;
+}
+
+fn main() {}

tests/ui/declare_interior_mutable_const.stderr

@@ -0,0 +1,106 @@
+error: a `const` item should never be interior mutable
+  --> $DIR/declare_interior_mutable_const.rs:9:1
+   |
+LL | const ATOMIC: AtomicUsize = AtomicUsize::new(5); //~ ERROR interior mutable
+   | -----^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
+   | |
+   | make this a static item (maybe with lazy_static)
+   |
+   = note: `-D clippy::declare-interior-mutable-const` implied by `-D warnings`
+
+error: a `const` item should never be interior mutable
+  --> $DIR/declare_interior_mutable_const.rs:10:1
+   |
+LL | const CELL: Cell<usize> = Cell::new(6); //~ ERROR interior mutable
+   | -----^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
+   | |
+   | make this a static item (maybe with lazy_static)
+
+error: a `const` item should never be interior mutable
+  --> $DIR/declare_interior_mutable_const.rs:11:1
+   |
+LL | const ATOMIC_TUPLE: ([AtomicUsize; 1], Vec<AtomicUsize>, u8) = ([ATOMIC], Vec::new(), 7);
+   | -----^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
+   | |
+   | make this a static item (maybe with lazy_static)
+
+error: a `const` item should never be interior mutable
+  --> $DIR/declare_interior_mutable_const.rs:16:9
+   |
+LL |         const $name: $ty = $e;
+   |         ^^^^^^^^^^^^^^^^^^^^^^
+...
+LL | declare_const!(_ONCE: Once = Once::new()); //~ ERROR interior mutable
+   | ------------------------------------------ in this macro invocation
+
+error: a `const` item should never be interior mutable
+  --> $DIR/declare_interior_mutable_const.rs:40:5
+   |
+LL |     const ATOMIC: AtomicUsize; //~ ERROR interior mutable
+   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^
+
+error: a `const` item should never be interior mutable
+  --> $DIR/declare_interior_mutable_const.rs:44:5
+   |
+LL |     const INPUT: T;
+   |     ^^^^^^^^^^^^^-^
+   |                  |
+   |                  consider requiring `T` to be `Copy`
+
+error: a `const` item should never be interior mutable
+  --> $DIR/declare_interior_mutable_const.rs:47:5
+   |
+LL |     const ASSOC: Self::NonCopyType;
+   |     ^^^^^^^^^^^^^-----------------^
+   |                  |
+   |                  consider requiring `<Self as Trait<T>>::NonCopyType` to be `Copy`
+
+error: a `const` item should never be interior mutable
+  --> $DIR/declare_interior_mutable_const.rs:51:5
+   |
+LL |     const AN_INPUT: T = Self::INPUT;
+   |     ^^^^^^^^^^^^^^^^-^^^^^^^^^^^^^^^
+   |                     |
+   |                     consider requiring `T` to be `Copy`
+
+error: a `const` item should never be interior mutable
+  --> $DIR/declare_interior_mutable_const.rs:16:9
+   |
+LL |         const $name: $ty = $e;
+   |         ^^^^^^^^^^^^^^^^^^^^^^
+...
+LL |     declare_const!(ANOTHER_INPUT: T = Self::INPUT); //~ ERROR interior mutable
+   |     ----------------------------------------------- in this macro invocation
+
+error: a `const` item should never be interior mutable
+  --> $DIR/declare_interior_mutable_const.rs:60:5
+   |
+LL |     const SELF_2: Self;
+   |     ^^^^^^^^^^^^^^----^
+   |                   |
+   |                   consider requiring `Self` to be `Copy`
+
+error: a `const` item should never be interior mutable
+  --> $DIR/declare_interior_mutable_const.rs:81:5
+   |
+LL |     const ASSOC_3: AtomicUsize = AtomicUsize::new(14); //~ ERROR interior mutable
+   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
+
+error: a `const` item should never be interior mutable
+  --> $DIR/declare_interior_mutable_const.rs:84:5
+   |
+LL |     const U_SELF: U = U::SELF_2;
+   |     ^^^^^^^^^^^^^^-^^^^^^^^^^^^^
+   |                   |
+   |                   consider requiring `U` to be `Copy`
+
+error: a `const` item should never be interior mutable
+  --> $DIR/declare_interior_mutable_const.rs:87:5
+   |
+LL |     const T_ASSOC: T::NonCopyType = T::ASSOC;
+   |     ^^^^^^^^^^^^^^^--------------^^^^^^^^^^^^
+   |                    |
+   |                    consider requiring `<T as Trait<u32>>::NonCopyType` to be `Copy`
+
+error: aborting due to 13 previous errors
+

tests/ui/non_copy_const.stderr

@@ -1,235 +0,0 @@
-error: a `const` item should never be interior mutable
-  --> $DIR/non_copy_const.rs:9:1
-   |
-LL | const ATOMIC: AtomicUsize = AtomicUsize::new(5); //~ ERROR interior mutable
-   | -----^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
-   | |
-   | make this a static item (maybe with lazy_static)
-   |
-   = note: `#[deny(clippy::declare_interior_mutable_const)]` on by default
-
-error: a `const` item should never be interior mutable
-  --> $DIR/non_copy_const.rs:10:1
-   |
-LL | const CELL: Cell<usize> = Cell::new(6); //~ ERROR interior mutable
-   | -----^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
-   | |
-   | make this a static item (maybe with lazy_static)
-
-error: a `const` item should never be interior mutable
-  --> $DIR/non_copy_const.rs:11:1
-   |
-LL | const ATOMIC_TUPLE: ([AtomicUsize; 1], Vec<AtomicUsize>, u8) = ([ATOMIC], Vec::new(), 7);
-   | -----^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
-   | |
-   | make this a static item (maybe with lazy_static)
-
-error: a `const` item should never be interior mutable
-  --> $DIR/non_copy_const.rs:16:9
-   |
-LL |         const $name: $ty = $e;
-   |         ^^^^^^^^^^^^^^^^^^^^^^
-...
-LL | declare_const!(_ONCE: Once = Once::new()); //~ ERROR interior mutable
-   | ------------------------------------------ in this macro invocation
-
-error: a `const` item should never be interior mutable
-  --> $DIR/non_copy_const.rs:40:5
-   |
-LL |     const ATOMIC: AtomicUsize; //~ ERROR interior mutable
-   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^
-
-error: a `const` item should never be interior mutable
-  --> $DIR/non_copy_const.rs:44:5
-   |
-LL |     const INPUT: T;
-   |     ^^^^^^^^^^^^^-^
-   |                  |
-   |                  consider requiring `T` to be `Copy`
-
-error: a `const` item should never be interior mutable
-  --> $DIR/non_copy_const.rs:47:5
-   |
-LL |     const ASSOC: Self::NonCopyType;
-   |     ^^^^^^^^^^^^^-----------------^
-   |                  |
-   |                  consider requiring `<Self as Trait<T>>::NonCopyType` to be `Copy`
-
-error: a `const` item should never be interior mutable
-  --> $DIR/non_copy_const.rs:51:5
-   |
-LL |     const AN_INPUT: T = Self::INPUT;
-   |     ^^^^^^^^^^^^^^^^-^^^^^^^^^^^^^^^
-   |                     |
-   |                     consider requiring `T` to be `Copy`
-
-error: a `const` item should never be interior mutable
-  --> $DIR/non_copy_const.rs:16:9
-   |
-LL |         const $name: $ty = $e;
-   |         ^^^^^^^^^^^^^^^^^^^^^^
-...
-LL |     declare_const!(ANOTHER_INPUT: T = Self::INPUT); //~ ERROR interior mutable
-   |     ----------------------------------------------- in this macro invocation
-
-error: a `const` item should never be interior mutable
-  --> $DIR/non_copy_const.rs:60:5
-   |
-LL |     const SELF_2: Self;
-   |     ^^^^^^^^^^^^^^----^
-   |                   |
-   |                   consider requiring `Self` to be `Copy`
-
-error: a `const` item should never be interior mutable
-  --> $DIR/non_copy_const.rs:81:5
-   |
-LL |     const ASSOC_3: AtomicUsize = AtomicUsize::new(14); //~ ERROR interior mutable
-   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
-
-error: a `const` item should never be interior mutable
-  --> $DIR/non_copy_const.rs:84:5
-   |
-LL |     const U_SELF: U = U::SELF_2;
-   |     ^^^^^^^^^^^^^^-^^^^^^^^^^^^^
-   |                   |
-   |                   consider requiring `U` to be `Copy`
-
-error: a `const` item should never be interior mutable
-  --> $DIR/non_copy_const.rs:87:5
-   |
-LL |     const T_ASSOC: T::NonCopyType = T::ASSOC;
-   |     ^^^^^^^^^^^^^^^--------------^^^^^^^^^^^^
-   |                    |
-   |                    consider requiring `<T as Trait<u32>>::NonCopyType` to be `Copy`
-
-error: a `const` item with interior mutability should not be borrowed
-  --> $DIR/non_copy_const.rs:94:5
-   |
-LL |     ATOMIC.store(1, Ordering::SeqCst); //~ ERROR interior mutability
-   |     ^^^^^^
-   |
-   = note: `#[deny(clippy::borrow_interior_mutable_const)]` on by default
-   = help: assign this const to a local or static variable, and use the variable here
-
-error: a `const` item with interior mutability should not be borrowed
-  --> $DIR/non_copy_const.rs:95:16
-   |
-LL |     assert_eq!(ATOMIC.load(Ordering::SeqCst), 5); //~ ERROR interior mutability
-   |                ^^^^^^
-   |
-   = help: assign this const to a local or static variable, and use the variable here
-
-error: a `const` item with interior mutability should not be borrowed
-  --> $DIR/non_copy_const.rs:98:22
-   |
-LL |     let _once_ref = &ONCE_INIT; //~ ERROR interior mutability
-   |                      ^^^^^^^^^
-   |
-   = help: assign this const to a local or static variable, and use the variable here
-
-error: a `const` item with interior mutability should not be borrowed
-  --> $DIR/non_copy_const.rs:99:25
-   |
-LL |     let _once_ref_2 = &&ONCE_INIT; //~ ERROR interior mutability
-   |                         ^^^^^^^^^
-   |
-   = help: assign this const to a local or static variable, and use the variable here
-
-error: a `const` item with interior mutability should not be borrowed
-  --> $DIR/non_copy_const.rs:100:27
-   |
-LL |     let _once_ref_4 = &&&&ONCE_INIT; //~ ERROR interior mutability
-   |                           ^^^^^^^^^
-   |
-   = help: assign this const to a local or static variable, and use the variable here
-
-error: a `const` item with interior mutability should not be borrowed
-  --> $DIR/non_copy_const.rs:101:26
-   |
-LL |     let _once_mut = &mut ONCE_INIT; //~ ERROR interior mutability
-   |                          ^^^^^^^^^
-   |
-   = help: assign this const to a local or static variable, and use the variable here
-
-error: a `const` item with interior mutability should not be borrowed
-  --> $DIR/non_copy_const.rs:112:14
-   |
-LL |     let _ = &ATOMIC_TUPLE; //~ ERROR interior mutability
-   |              ^^^^^^^^^^^^
-   |
-   = help: assign this const to a local or static variable, and use the variable here
-
-error: a `const` item with interior mutability should not be borrowed
-  --> $DIR/non_copy_const.rs:113:14
-   |
-LL |     let _ = &ATOMIC_TUPLE.0; //~ ERROR interior mutability
-   |              ^^^^^^^^^^^^
-   |
-   = help: assign this const to a local or static variable, and use the variable here
-
-error: a `const` item with interior mutability should not be borrowed
-  --> $DIR/non_copy_const.rs:114:19
-   |
-LL |     let _ = &(&&&&ATOMIC_TUPLE).0; //~ ERROR interior mutability
-   |                   ^^^^^^^^^^^^
-   |
-   = help: assign this const to a local or static variable, and use the variable here
-
-error: a `const` item with interior mutability should not be borrowed
-  --> $DIR/non_copy_const.rs:115:14
-   |
-LL |     let _ = &ATOMIC_TUPLE.0[0]; //~ ERROR interior mutability
-   |              ^^^^^^^^^^^^
-   |
-   = help: assign this const to a local or static variable, and use the variable here
-
-error: a `const` item with interior mutability should not be borrowed
-  --> $DIR/non_copy_const.rs:116:13
-   |
-LL |     let _ = ATOMIC_TUPLE.0[0].load(Ordering::SeqCst); //~ ERROR interior mutability
-   |             ^^^^^^^^^^^^
-   |
-   = help: assign this const to a local or static variable, and use the variable here
-
-error: a `const` item with interior mutability should not be borrowed
-  --> $DIR/non_copy_const.rs:122:13
-   |
-LL |     let _ = ATOMIC_TUPLE.0[0]; //~ ERROR interior mutability
-   |             ^^^^^^^^^^^^
-   |
-   = help: assign this const to a local or static variable, and use the variable here
-
-error: a `const` item with interior mutability should not be borrowed
-  --> $DIR/non_copy_const.rs:127:5
-   |
-LL |     CELL.set(2); //~ ERROR interior mutability
-   |     ^^^^
-   |
-   = help: assign this const to a local or static variable, and use the variable here
-
-error: a `const` item with interior mutability should not be borrowed
-  --> $DIR/non_copy_const.rs:128:16
-   |
-LL |     assert_eq!(CELL.get(), 6); //~ ERROR interior mutability
-   |                ^^^^
-   |
-   = help: assign this const to a local or static variable, and use the variable here
-
-error: a `const` item with interior mutability should not be borrowed
-  --> $DIR/non_copy_const.rs:141:5
-   |
-LL |     u64::ATOMIC.store(5, Ordering::SeqCst); //~ ERROR interior mutability
-   |     ^^^^^^^^^^^
-   |
-   = help: assign this const to a local or static variable, and use the variable here
-
-error: a `const` item with interior mutability should not be borrowed
-  --> $DIR/non_copy_const.rs:142:16
-   |
-LL |     assert_eq!(u64::ATOMIC.load(Ordering::SeqCst), 9); //~ ERROR interior mutability
-   |                ^^^^^^^^^^^
-   |
-   = help: assign this const to a local or static variable, and use the variable here
-
-error: aborting due to 29 previous errors
-