this derivation will be built:
  /nix/store/a4if545bq28ayyynfx35cbg3cc5v912i-bcachefs-module-7.0.0-39-generic.drv
building '/nix/store/a4if545bq28ayyynfx35cbg3cc5v912i-bcachefs-module-7.0.0-39-generic.drv'...