rust/tests/ui/borrowck/issue-55492-borrowck-migrate-scans-parents.stderr
Obei Sideg 408eeae59d Improve wording of static_mut_ref
Rename `static_mut_ref` lint to `static_mut_refs`.
2024-02-18 06:01:40 +03:00

102 lines
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warning: creating a mutable reference to mutable static is discouraged
--> $DIR/issue-55492-borrowck-migrate-scans-parents.rs:12:16
|
LL | c1(&mut Y);
| ^^^^^^ mutable reference to mutable static
|
= note: for more information, see issue #114447 <https://github.com/rust-lang/rust/issues/114447>
= note: this will be a hard error in the 2024 edition
= note: this mutable reference has lifetime `'static`, but if the static gets accessed (read or written) by any other means, or any other reference is created, then any further use of this mutable reference is Undefined Behavior
= note: `#[warn(static_mut_refs)]` on by default
help: use `addr_of_mut!` instead to create a raw pointer
|
LL | c1(addr_of_mut!(Y));
| ~~~~~~~~~~~~~~~
warning: creating a mutable reference to mutable static is discouraged
--> $DIR/issue-55492-borrowck-migrate-scans-parents.rs:27:16
|
LL | c1(&mut Z);
| ^^^^^^ mutable reference to mutable static
|
= note: for more information, see issue #114447 <https://github.com/rust-lang/rust/issues/114447>
= note: this will be a hard error in the 2024 edition
= note: this mutable reference has lifetime `'static`, but if the static gets accessed (read or written) by any other means, or any other reference is created, then any further use of this mutable reference is Undefined Behavior
help: use `addr_of_mut!` instead to create a raw pointer
|
LL | c1(addr_of_mut!(Z));
| ~~~~~~~~~~~~~~~
warning: creating a mutable reference to mutable static is discouraged
--> $DIR/issue-55492-borrowck-migrate-scans-parents.rs:64:37
|
LL | borrowck_closures_unique::e(&mut X);
| ^^^^^^ mutable reference to mutable static
|
= note: for more information, see issue #114447 <https://github.com/rust-lang/rust/issues/114447>
= note: this will be a hard error in the 2024 edition
= note: this mutable reference has lifetime `'static`, but if the static gets accessed (read or written) by any other means, or any other reference is created, then any further use of this mutable reference is Undefined Behavior
help: use `addr_of_mut!` instead to create a raw pointer
|
LL | borrowck_closures_unique::e(addr_of_mut!(X));
| ~~~~~~~~~~~~~~~
error[E0594]: cannot assign to `x`, as it is not declared as mutable
--> $DIR/issue-55492-borrowck-migrate-scans-parents.rs:9:46
|
LL | pub fn e(x: &'static mut isize) {
| - help: consider changing this to be mutable: `mut x`
LL | static mut Y: isize = 3;
LL | let mut c1 = |y: &'static mut isize| x = y;
| ^^^^^ cannot assign
error[E0594]: cannot assign to `x`, as it is not declared as mutable
--> $DIR/issue-55492-borrowck-migrate-scans-parents.rs:22:50
|
LL | pub fn ee(x: &'static mut isize) {
| - help: consider changing this to be mutable: `mut x`
...
LL | let mut c2 = |y: &'static mut isize| x = y;
| ^^^^^ cannot assign
error[E0594]: cannot assign to `x`, as it is not declared as mutable
--> $DIR/issue-55492-borrowck-migrate-scans-parents.rs:37:13
|
LL | pub fn capture_assign_whole(x: (i32,)) {
| - help: consider changing this to be mutable: `mut x`
LL | || {
LL | x = (1,);
| ^^^^^^^^ cannot assign
error[E0594]: cannot assign to `x.0`, as `x` is not declared as mutable
--> $DIR/issue-55492-borrowck-migrate-scans-parents.rs:43:13
|
LL | pub fn capture_assign_part(x: (i32,)) {
| - help: consider changing this to be mutable: `mut x`
LL | || {
LL | x.0 = 1;
| ^^^^^^^ cannot assign
error[E0596]: cannot borrow `x` as mutable, as it is not declared as mutable
--> $DIR/issue-55492-borrowck-migrate-scans-parents.rs:49:13
|
LL | pub fn capture_reborrow_whole(x: (i32,)) {
| - help: consider changing this to be mutable: `mut x`
LL | || {
LL | &mut x;
| ^^^^^^ cannot borrow as mutable
error[E0596]: cannot borrow `x.0` as mutable, as `x` is not declared as mutable
--> $DIR/issue-55492-borrowck-migrate-scans-parents.rs:55:13
|
LL | pub fn capture_reborrow_part(x: (i32,)) {
| - help: consider changing this to be mutable: `mut x`
LL | || {
LL | &mut x.0;
| ^^^^^^^^ cannot borrow as mutable
error: aborting due to 6 previous errors; 3 warnings emitted
Some errors have detailed explanations: E0594, E0596.
For more information about an error, try `rustc --explain E0594`.