this derivation will be built:
  /nix/store/y7gpyfn8b4wlglq1346zzkhn1fjjb33c-bcachefs-module-7.0.0-31-generic.drv
building '/nix/store/y7gpyfn8b4wlglq1346zzkhn1fjjb33c-bcachefs-module-7.0.0-31-generic.drv'...