this derivation will be built:
  /nix/store/w738n6cv38s9fzyd8v5vy00302y48w3m-bcachefs-module-7.0.0-28-generic.drv
building '/nix/store/w738n6cv38s9fzyd8v5vy00302y48w3m-bcachefs-module-7.0.0-28-generic.drv'...