this derivation will be built:
  /nix/store/sv3k39wkylh4vq5698cmq47qpz7n00pz-bcachefs-module-7.0.0-38-generic.drv
building '/nix/store/sv3k39wkylh4vq5698cmq47qpz7n00pz-bcachefs-module-7.0.0-38-generic.drv'...