INFO:Detectors: MyConc.bad (tests/unchecked_lowlevel-0.5.1.sol#2-4) ignores return value by low-level calls "dst.call.value(msg.value)()" (tests/unchecked_lowlevel-0.5.1.sol#3) Reference: https://github.com/crytic/slither/wiki/Detector-Documentation#unchecked-low-level INFO:Slither:tests/unchecked_lowlevel-0.5.1.sol analyzed (1 contracts), 1 result(s) found