thread 'main' panicked at 'called `Result::unwrap()` on an `Err` value: OsError("wglCreateContextAttribsARB failed: OS Error -1073274731 (FormatMessageW() returned error 317) (os error -1073274731)")', src\libcore\result.rs:906:4
note: Run with `RUST_BACKTRACE=1` for a backtrace.
error: process didn't exit successfully: `target\release\examples\clock.exe` (exit code: 101)
When I try to run clock example I gets error: