Default features test

Cargo.toml

[package]
name = "cargotest2"
version = "0.1.0"
authors = ["Adam Gashlin <agashlin@mozilla.com>"]

[dependencies]
walkdir = { version = "2.1.4", optional = true }
scoped-pool = { version = "1.0.0", optional = true }
blake2 = { version = "0.7.1", optional = true }
base64 = { version = "0.9.2", optional = true }
rustbreak = { version = "1.4.0", optional = true }
type-name = { version = "0.1.0", optional = true }

[features]
default = ["midi_file_scan", "disk_cache"]
midi_file_scan = ["walkdir", "scoped-pool", "blake2", "base64"]
disk_cache = ["rustbreak", "type-name"]

main.rs

extern crate walkdir;
extern crate scoped_pool;
extern crate blake2;
extern crate base64;
extern crate rustbreak;
extern crate type_name;

fn main() {
}