this derivation will be built:
  /nix/store/qlpm81d1wba5i3pxq2qz2pdw2jna4820-bcachefs-module-7.0.0-39-generic.drv
building '/nix/store/qlpm81d1wba5i3pxq2qz2pdw2jna4820-bcachefs-module-7.0.0-39-generic.drv'...