std::thread::sleep(Duration::new(u64::MAX, 0)) panics with EINVAL

[cjcole]

$ cargo version
cargo 0.10.0-nightly (10ddd7d 2016-04-08)

$ rustc --version --verbose
rustc 1.9.0 (e4e8b6668 2016-05-18)
binary: rustc
commit-hash: e4e8b666850a763fdf1c3c2c142856ab51e32779
commit-date: 2016-05-18
host: x86_64-apple-darwin
release: 1.9.0

$ export RUST_BACKTRACE=1 cargo clean && cargo run
     Running `target/debug/sleeptest`
thread '<main>' panicked at 'assertion failed: `(left == right)` (left: `22`, right: `4`)', ../src/libstd/sys/unix/thread.rs:137
stack backtrace:
   1:        0x10f6c4058 - std::sys::backtrace::tracing::imp::write::h4c73fcd3363076f5
   2:        0x10f6c55c5 - std::panicking::default_hook::_$u7b$$u7b$closure$u7d$$u7d$::h0422dbb3077e6747
   3:        0x10f6c51fe - std::panicking::default_hook::haac48fa641db8fa2
   4:        0x10f6c01c6 - std::sys_common::unwind::begin_unwind_inner::h39d40f52add53ef7
   5:        0x10f6c095e - std::sys_common::unwind::begin_unwind_fmt::h64c0ff793199cc1b
   6:        0x10f6bf79c - std::thread::sleep::ha8d8975d57b519ae
   7:        0x10f6bf242 - sleeptest::main::hda16ced47dcbd1e7
   8:        0x10f6c4df2 - std::sys_common::unwind::try::try_fn::h09ba69fd13531e58
   9:        0x10f6c343b - __rust_try
  10:        0x10f6c4c34 - std::rt::lang_start::h5b0863080165c75e
  11:        0x10f6bf309 - main
error: Process didn't exit successfully: `target/debug/sleeptest` (exit code: 101)

$ cat src/main.rs
use std::time::Duration;
use std::u64;

fn main() {
    std::thread::sleep(Duration::new(u64::MAX, 0));
}

$