this derivation will be built:
  /nix/store/d2mf003fflrga79h60ww8yh4kz1pji8p-bcachefs-module-7.0.0-39-generic.drv
building '/nix/store/d2mf003fflrga79h60ww8yh4kz1pji8p-bcachefs-module-7.0.0-39-generic.drv'...