genhtml.perl: ERROR: no valid records found in tracefile gcov/lcov.info

[zerolfq]

genhtml.perl: ERROR: no valid records found in tracefile gcov/lcov.info This error occurred E:\Qtuser\build-Graduation_project-Desktop_Qt_5_12_1_MinGW_64_bit-Debug>E:\lcov\lcov.bat Creating gcov\lcov.info ... Capturing coverage data from . E:\lcov/geninfo.perl . --output-filename gcov/lcov.info --base-directory .Found gcov version: 7.3.0 Scanning . for .gcda files ... Found 1 data files in . Processing 1.gcda geninfo.perl: WARNING: E:\Qtuser\build-Graduation_project-Desktop_Qt_5_12_1_MinGW_64_bit-Debug/1.gcno: Overlong record at end of file! E:\Qtuser\build-Graduation_project-Desktop_Qt_5_12_1_MinGW_64_bit-Debug/1.gcno:version 'A81*', prefer 'A73*' E:\Qtuser\build-Graduation_project-Desktop_Qt_5_12_1_MinGW_64_bit-Debug/1.gcno:no functions found geninfo.perl: WARNING: gcov did not create any files for E:\Qtuser\build-Graduation_project-Desktop_Qt_5_12_1_MinGW_64_bit-Debug/1.gcda! Finished .info-file creation Fixing back slashes ... Generating html ... gcov\html Reading data file gcov/lcov.info genhtml.perl: ERROR: no valid records found in tracefile gcov/lcov.info