$ cargo run | |
Compiling ownership v0.1.0 (file:///projects/ownership) | |
error[E0499]: cannot borrow `s` as mutable more than once at a time | |
--> src/main.rs:5:14 | |
| | |
4 | let r1 = &mut s; | |
| ------ first mutable borrow occurs here | |
5 | let r2 = &mut s; | |
| ^^^^^^ second mutable borrow occurs here | |
6 | | |
7 | println!("{}, {}", r1, r2); | |
| -- first borrow later used here | |
error: aborting due to previous error | |
For more information about this error, try `rustc --explain E0499`. | |
error: could not compile `ownership`. | |
To learn more, run the command again with --verbose. |