Updating `dummy-registry` index
warning: ignoring rust-version-user@0.2.1 (which requires rustc 1.2345) as it is incompatible with rustc [..]
Adding rust-version-user v0.1.1 to dependencies
Locking 2 packages to latest Rust [..] compatible versions
Adding rust-version-user v0.1.1 (latest: v0.2.1)