this derivation will be built:
  /nix/store/y51sgz8v0hcfzqbm6rcy3h9iy23vwsbq-bcachefs-module-7.0.0-31-generic.drv
building '/nix/store/y51sgz8v0hcfzqbm6rcy3h9iy23vwsbq-bcachefs-module-7.0.0-31-generic.drv'...