this derivation will be built:
  /nix/store/vd121wkxi0jf43vdvd8arp6yw63wy1r2-bcachefs-module-7.0.0-31-generic.drv
building '/nix/store/vd121wkxi0jf43vdvd8arp6yw63wy1r2-bcachefs-module-7.0.0-31-generic.drv'...