==1101== 72,704 bytes in 1 blocks are still reachable in loss record 1 of 1
==1101== at 0x48A26D9: malloc (vg_replace_malloc.c:380)
==1101== by 0x4BBA086: ??? (in /usr/lib/libstdc++.so.6.0.28)
==1101== by 0x4059D1B: ??? (in /lib/ld-musl-x86_64.so.1)
==1101== by 0xB907FED: ???
==1101== by 0x59D92: ???
==1101== by 0xCA07: ???
==1101== by 0x197CB7: ???