Build failed. If you want to re-trigger a documentation build, you can do it here. You can find more information on docs.rs builds documentation on the builds page.
# 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 mpack v0.0.2 Documenting mpack v0.0.2 Running `rustdoc .cargo/registry/src/github.com-1ecc6299db9ec823/mpack-0.0.2/src/lib.rs --crate-name mpack -o /home/cratesfyi/mpack-0.0.2/doc -L dependency=/home/cratesfyi/mpack-0.0.2/debug -L dependency=/home/cratesfyi/mpack-0.0.2/debug/deps` .cargo/registry/src/github.com-1ecc6299db9ec823/mpack-0.0.2/src/lib.rs:33:28: 33:32 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/mpack-0.0.2/src/lib.rs:33 #[derive(Clone, PartialEq, Show)] ^~~~ .cargo/registry/src/github.com-1ecc6299db9ec823/mpack-0.0.2/src/lib.rs:33:28: 33:32 help: add #![feature(custom_derive)] to the crate attributes to enable .cargo/registry/src/github.com-1ecc6299db9ec823/mpack-0.0.2/src/lib.rs:474:10: 474:14 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/mpack-0.0.2/src/lib.rs:474 #[derive(Show)] ^~~~ .cargo/registry/src/github.com-1ecc6299db9ec823/mpack-0.0.2/src/lib.rs:474:10: 474:14 help: add #![feature(custom_derive)] to the crate attributes to enable error: aborting due to 2 previous errors thread 'main' panicked at 'ChainedError { error: failed to compile `mpack v0.0.2`, intermediate artifacts can be found at `/home/cratesfyi/mpack-0.0.2`, cause: ChainedError { error: Could not document `mpack`., cause: Process didn't exit successfully: `rustdoc .cargo/registry/src/github.com-1ecc6299db9ec823/mpack-0.0.2/src/lib.rs --crate-name mpack -o /home/cratesfyi/mpack-0.0.2/doc -L dependency=/home/cratesfyi/mpack-0.0.2/debug -L dependency=/home/cratesfyi/mpack-0.0.2/debug/deps` (exit code: 101) } }', src/bin/cratesfyi.rs:119 note: Run with `RUST_BACKTRACE=1` for a backtrace.