$ cat hello.rs fn main() { println!("Hello, world!") } $ rustc hello.rs -C prefer-dynamic $ ./hello Hello, world! $ ls -al hello -rwxrwx

$ cat hello.rs fn main() { println!("Hello, world!") } $ rustc hello.rs -C prefer-dynamic $ ./hello Hello, world! $ ls -al hello -rwxrwxr-x 1 lifthrasiir 9064 Mar 4 14:24 hello* See other comments for the explanation.