pub fn process_output(prog: &str, args: &[~str]) -> ProcessOutput
Spawns a process, records all its output, and waits for it to terminate.
The process's stdout/stderr output and exit code.
Prefix searches with a type followed by a colon (e.g.
fn:) to restrict the search to a given type.
Accepted types are: fn, mod,
struct (or str), enum,
trait, typedef (or
tdef).