this derivation will be built:
  /nix/store/40bagv4krzfjyp8xdwdyccpr7fzir9ln-bcachefs-module-7.0.0-39-generic.drv
building '/nix/store/40bagv4krzfjyp8xdwdyccpr7fzir9ln-bcachefs-module-7.0.0-39-generic.drv'...