mirror of
https://github.com/rust-lang/rust.git
synced 2024-12-03 12:13:43 +00:00
55ea94402b
This improves parallel rustc parallelism by avoiding the bottleneck after each individual `par_body_owners` (because it needs to wait for queries to finish, so if there is one long running one, a lot of cores will be idle while waiting for the single query).
34 lines
1.1 KiB
Plaintext
34 lines
1.1 KiB
Plaintext
error[E0515]: cannot return value referencing local variable `r`
|
|
--> $DIR/issue-11374.rs:20:5
|
|
|
|
|
LL | Container::wrap(&mut r as &mut dyn io::Read)
|
|
| ^^^^^^^^^^^^^^^^------^^^^^^^^^^^^^^^^^^^^^^
|
|
| | |
|
|
| | `r` is borrowed here
|
|
| returns a value referencing data owned by the current function
|
|
|
|
error[E0308]: mismatched types
|
|
--> $DIR/issue-11374.rs:27:15
|
|
|
|
|
LL | c.read_to(v);
|
|
| ------- ^ expected `&mut [u8]`, found `Vec<_>`
|
|
| |
|
|
| arguments to this method are incorrect
|
|
|
|
|
= note: expected mutable reference `&mut [u8]`
|
|
found struct `Vec<_>`
|
|
note: method defined here
|
|
--> $DIR/issue-11374.rs:13:12
|
|
|
|
|
LL | pub fn read_to(&mut self, vec: &mut [u8]) {
|
|
| ^^^^^^^ --------------
|
|
help: consider mutably borrowing here
|
|
|
|
|
LL | c.read_to(&mut v);
|
|
| ++++
|
|
|
|
error: aborting due to 2 previous errors
|
|
|
|
Some errors have detailed explanations: E0308, E0515.
|
|
For more information about an error, try `rustc --explain E0308`.
|