this derivation will be built:
  /nix/store/k421h1ydc5hg4qi5dnd8picdacarxlkw-bcachefs-module-7.0.0-31-generic.drv
building '/nix/store/k421h1ydc5hg4qi5dnd8picdacarxlkw-bcachefs-module-7.0.0-31-generic.drv'...