this derivation will be built:
  /nix/store/vxmga3v1czfarpkv7j92mgjr4abx3iyb-bcachefs-module-7.0.0-29-generic.drv
building '/nix/store/vxmga3v1czfarpkv7j92mgjr4abx3iyb-bcachefs-module-7.0.0-29-generic.drv'...