thread 'main' panicked at 'called `Result::unwrap()` on an `Err` value: Error { code: -9, klass: 4, message: "reference \'refs/heads/master\' not found" }', /Users/ferdiamckeogh/.cargo/registry/src/github.com-1ecc6299db9ec823/cargo-update-4.1.1/src/ops/mod.rs:436:31
note: run with `RUST_BACKTRACE=1` environment variable to display a backtrace
probe-run
installed with:cargo install-update -ag
then panics with: