this derivation will be built:
  /nix/store/q38r5ilyx5sh2k9g03wqfdf52d9wqasj-bcachefs-module-7.0.0-31-generic.drv
building '/nix/store/q38r5ilyx5sh2k9g03wqfdf52d9wqasj-bcachefs-module-7.0.0-31-generic.drv'...