this derivation will be built:
  /nix/store/3dkg8j8d4lj1fp0i80zd98m2bg9zzk32-bcachefs-module-7.0.0-29-generic.drv
building '/nix/store/3dkg8j8d4lj1fp0i80zd98m2bg9zzk32-bcachefs-module-7.0.0-29-generic.drv'...