error:
       … while calling the 'fromTOML' builtin
         at /pwd/lang/eval-fail-fromTOML-overflow.nix:1:1:
            1| builtins.fromTOML ''attr = 9223372036854775808''
             | ^
            2|

       error: while parsing TOML: [error] toml::parse_dec_integer: too large integer: current max digits = 2^63
        --> fromTOML
          |
        1 | attr = 9223372036854775808
          |                           ^-- must be < 2^63