this derivation will be built:
  /nix/store/g7hhs4s1afm94zwwmmpqk63y7q0x51jp-bcachefs-module-7.0.0-38-generic.drv
building '/nix/store/g7hhs4s1afm94zwwmmpqk63y7q0x51jp-bcachefs-module-7.0.0-38-generic.drv'...