this derivation will be built:
  /nix/store/gpjnn81kvr3qcdnall2klkfqll25hvz2-bcachefs-module-7.0.0-31-generic.drv
building '/nix/store/gpjnn81kvr3qcdnall2klkfqll25hvz2-bcachefs-module-7.0.0-31-generic.drv'...