this derivation will be built:
  /nix/store/w447p8y82i9p7spzqydb3lc9ck49c6ga-bcachefs-module-7.0.0-26-generic.drv
building '/nix/store/w447p8y82i9p7spzqydb3lc9ck49c6ga-bcachefs-module-7.0.0-26-generic.drv'...