this derivation will be built:
  /nix/store/jmgiks9xq4ff473vpjs8219n7vgyhgj5-bcachefs-module-7.0.0-39-generic.drv
building '/nix/store/jmgiks9xq4ff473vpjs8219n7vgyhgj5-bcachefs-module-7.0.0-39-generic.drv'...