>>cargo test
Updating registry `https://github.com/rust-lang/crates.io-index`
Downloading num v0.1.27
Downloading winapi-build v0.1.1
Downloading rand v0.3.11
Downloading fftw3 v0.0.2
Downloading strided v0.2.9
Downloading rustc-serialize v0.3.16
Downloading pkg-config v0.3.6
Downloading fftw3-sys v0.0.2
Unable to get packages from source
Caused by:
failed to parse manifest at `/home/stefan/.cargo/registry/src/github.com-0a35038f75765ae4/fftw3-sys-0.0.2/Cargo.toml`
Caused by:
library target names cannot contain hyphens: fftw3-sys