this derivation will be built:
  /nix/store/nmr21f9z2gamx8gnsb967xdbg9hq2w0w-bcachefs-module-7.0.0-29-generic.drv
building '/nix/store/nmr21f9z2gamx8gnsb967xdbg9hq2w0w-bcachefs-module-7.0.0-29-generic.drv'...