these 3 derivations will be built:
  /nix/store/7hs6xjjwvvqmkllwnhz1dmq82y5zxcjf-workmux-0.1.277-vendor.drv
  /nix/store/3qklkhpnif1gjqd0ckayymd7nzrvr98l-workmux-0.1.277.drv
  /nix/store/hkn7k1dfrs539vw8pal2zm1c5w3adxhg-check-workmux.drv