this derivation will be built:
  /nix/store/wv2pamqib71a0i3cashgsqqv6qm1zxqc-bcachefs-module-7.0.0-39-generic.drv
building '/nix/store/wv2pamqib71a0i3cashgsqqv6qm1zxqc-bcachefs-module-7.0.0-39-generic.drv'...