elastic-arm-92a21b22: building m7p1mhx2hd24lsav7mwl3vr20y33sr4v-spec-nixfmt.drv invalid/a.nix:1:7: | 1 | { a = ; | ^^ unexpected ";" expecting expression invalid/a.nix:1:7: | 1 | { a = ; | ^^ unexpected ";" expecting expression