nix 0.3.4

# 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 nix v0.3.4
Compiling libc v0.1.12
Running `rustc .cargo/registry/src/github.com-1ecc6299db9ec823/libc-0.1.12/rust/src/liblibc/lib.rs --crate-name libc --crate-type lib -g --cfg feature=\"default\" --cfg feature=\"cargo-build\" -C metadata=0c57a2126eb1e7e8 -C extra-filename=-0c57a2126eb1e7e8 --out-dir /home/cratesfyi/nix-0.3.4/debug/deps --emit=dep-info,link -L dependency=/home/cratesfyi/nix-0.3.4/debug/deps -L dependency=/home/cratesfyi/nix-0.3.4/debug/deps --cap-lints allow`
Compiling bitflags v0.1.1
Running `rustc .cargo/registry/src/github.com-1ecc6299db9ec823/bitflags-0.1.1/src/lib.rs --crate-name bitflags --crate-type lib -g -C metadata=fdf4b7654a6da3e5 -C extra-filename=-fdf4b7654a6da3e5 --out-dir /home/cratesfyi/nix-0.3.4/debug/deps --emit=dep-info,link -L dependency=/home/cratesfyi/nix-0.3.4/debug/deps -L dependency=/home/cratesfyi/nix-0.3.4/debug/deps --cap-lints allow`
Documenting nix v0.3.4
Running `rustdoc .cargo/registry/src/github.com-1ecc6299db9ec823/nix-0.3.4/src/lib.rs --crate-name nix -o /home/cratesfyi/nix-0.3.4/doc -L dependency=/home/cratesfyi/nix-0.3.4/debug -L dependency=/home/cratesfyi/nix-0.3.4/debug/deps --extern bitflags=/home/cratesfyi/nix-0.3.4/debug/deps/libbitflags-fdf4b7654a6da3e5.rlib --extern libc=/home/cratesfyi/nix-0.3.4/debug/deps/liblibc-0c57a2126eb1e7e8.rlib`
.cargo/registry/src/github.com-1ecc6299db9ec823/nix-0.3.4/src/errno.rs:445:39: 445:52 error: `#[derive]` for custom traits is not stable enough for use and is subject to change (see issue #29644) 
.cargo/registry/src/github.com-1ecc6299db9ec823/nix-0.3.4/src/errno.rs:445     #[derive(Debug, Clone, PartialEq, FromPrimitive, Copy)]
^~~~~~~~~~~~~
.cargo/registry/src/github.com-1ecc6299db9ec823/nix-0.3.4/src/errno.rs:445:39: 445:52 help: add #![feature(custom_derive)] to the crate attributes to enable 
.cargo/registry/src/github.com-1ecc6299db9ec823/nix-0.3.4/src/sys/socket/addr.rs:19:51: 19:64 error: `#[derive]` for custom traits is not stable enough for use and is subject to change (see issue #29644) 
.cargo/registry/src/github.com-1ecc6299db9ec823/nix-0.3.4/src/sys/socket/addr.rs:19 #[derive(Copy, Clone, PartialEq, Eq, Debug, Hash, FromPrimitive)]
^~~~~~~~~~~~~
.cargo/registry/src/github.com-1ecc6299db9ec823/nix-0.3.4/src/sys/socket/addr.rs:19:51: 19:64 help: add #![feature(custom_derive)] to the crate attributes to enable 
.cargo/registry/src/github.com-1ecc6299db9ec823/nix-0.3.4/src/sys/socket/mod.rs:59:45: 59:58 error: `#[derive]` for custom traits is not stable enough for use and is subject to change (see issue #29644) 
.cargo/registry/src/github.com-1ecc6299db9ec823/nix-0.3.4/src/sys/socket/mod.rs:59 #[derive(Clone, Copy, PartialEq, Eq, Debug, FromPrimitive)]
^~~~~~~~~~~~~
.cargo/registry/src/github.com-1ecc6299db9ec823/nix-0.3.4/src/sys/socket/mod.rs:59:45: 59:58 help: add #![feature(custom_derive)] to the crate attributes to enable 
error: aborting due to 3 previous errors 
thread 'main' panicked at 'ChainedError {
error: failed to compile `nix v0.3.4`, intermediate artifacts can be found at `/home/cratesfyi/nix-0.3.4`,
cause: ChainedError {
error: Could not document `nix`.,
cause: Process didn't exit successfully: `rustdoc .cargo/registry/src/github.com-1ecc6299db9ec823/nix-0.3.4/src/lib.rs --crate-name nix -o /home/cratesfyi/nix-0.3.4/doc -L dependency=/home/cratesfyi/nix-0.3.4/debug -L dependency=/home/cratesfyi/nix-0.3.4/debug/deps --extern bitflags=/home/cratesfyi/nix-0.3.4/debug/deps/libbitflags-fdf4b7654a6da3e5.rlib --extern libc=/home/cratesfyi/nix-0.3.4/debug/deps/liblibc-0c57a2126eb1e7e8.rlib` (exit code: 101)
}
}', src/bin/cratesfyi.rs:119
note: Run with `RUST_BACKTRACE=1` for a backtrace.