mirage/config: Replace hardcoded "nanomsg" crate name with ":crate_id" param
mirage/config: Replace hardcoded "nanomsg" crate name with ":crate_id" param

steveklabnik/crates.io,rust-lang/crates.io,rust-lang/crates.io,rust-lang/crates.io,steveklabnik/crates.io,steveklabnik/crates.io,steveklabnik/crates.io,rust-lang/crates.io