clap 0.4.7

# rustc version
rustc 1.12.0-nightly (54c0dcfd6 2016-07-28)# docs.rs version
cratesfyi 0.2.0 (5dbd676 2016-07-30)# build log
Updating registry `https://github.com/rust-lang/crates.io-index`
Downloading clap v0.4.7
Documenting clap v0.4.7
Running `rustdoc .cargo/registry/src/github.com-1ecc6299db9ec823/clap-0.4.7/src/lib.rs --crate-name clap -o /home/cratesfyi/clap-0.4.7/doc -L dependency=/home/cratesfyi/clap-0.4.7/debug -L dependency=/home/cratesfyi/clap-0.4.7/debug/deps`
.cargo/registry/src/github.com-1ecc6299db9ec823/clap-0.4.7/src/app.rs:333:19: 333:39 error: unresolved name `env::set_exit_status` [E0425]
.cargo/registry/src/github.com-1ecc6299db9ec823/clap-0.4.7/src/app.rs:333         if quit { env::set_exit_status(1); self.exit(); }
^~~~~~~~~~~~~~~~~~~~
error: Compilation failed, aborting rustdoc 
thread 'main' panicked at 'ChainedError {
error: failed to compile `clap v0.4.7`, intermediate artifacts can be found at `/home/cratesfyi/clap-0.4.7`,
cause: ChainedError {
error: Could not document `clap`.,
cause: Process didn't exit successfully: `rustdoc .cargo/registry/src/github.com-1ecc6299db9ec823/clap-0.4.7/src/lib.rs --crate-name clap -o /home/cratesfyi/clap-0.4.7/doc -L dependency=/home/cratesfyi/clap-0.4.7/debug -L dependency=/home/cratesfyi/clap-0.4.7/debug/deps` (exit code: 101)
}
}', src/bin/cratesfyi.rs:119
note: Run with `RUST_BACKTRACE=1` for a backtrace.