this derivation will be built:
  /nix/store/v78j1kmm34r8gjw4rx6d580vvwksg0a8-bcachefs-module-7.0.0-39-generic.drv
building '/nix/store/v78j1kmm34r8gjw4rx6d580vvwksg0a8-bcachefs-module-7.0.0-39-generic.drv'...