this derivation will be built:
  /nix/store/r7kb0rh2cllh18d4jdi4wpmm4z956wj7-bcachefs-module-7.0.0-38-generic.drv
building '/nix/store/r7kb0rh2cllh18d4jdi4wpmm4z956wj7-bcachefs-module-7.0.0-38-generic.drv'...