this derivation will be built:
  /nix/store/k2py705q601pijpk6j7jra5rg65dnvjn-bcachefs-module-7.0.0-14-generic.drv
building '/nix/store/k2py705q601pijpk6j7jra5rg65dnvjn-bcachefs-module-7.0.0-14-generic.drv'...