new worst regex I’ve ever written
error: hash(?:.*\n){2}\s*got:\s+(sha256-.)\nerror: Cannot build '/nix/store/\w{32}-([\w-]+?)-((?:(?=\w)[^0-9][\w]+-)(?:(?=\w)[^0-9][\w]+))-([0-9.]+)\.drv'.\n(?:.*\n){3}
hash\%(.*\n\)\{2\}\s*got:\s\+\(sha256-.*\)\nerror: Cannot build '\/nix\/store\/\w\{32\}-\([[:alnum:]-]\{-1,}\)-\(\%(\w\@=[^0-9]\+-\)*\%(\w\@=[^0-9]\+\)\)-\([0-9]\+\)\.drv'.\n\%(.*\n\)\{3\}