message: Update Cargo.lock for 0.6.0
diff: [root]
  name = "cobalt-bin"
  -version = "0.5.0"
  +version = "0.6.0"
  dependencies = [
  "assert_cli 0.3.0 (registry+https://github.com/rust-lang/crates.io-index)",
  "chrono 0.2.25 (registry+https://github.com/rust-lang/crates.io-index)",
  