this derivation will be built:
  /nix/store/j7q8xmg69937mmsa5qv8bkdnw2k5hgx2-bcachefs-module-7.0.0-29-generic.drv
building '/nix/store/j7q8xmg69937mmsa5qv8bkdnw2k5hgx2-bcachefs-module-7.0.0-29-generic.drv'...