I also reported on the bug forum because it cased factorio itself to crash: https://forums.factorio.com/viewtopic.php?f=7&t=93935
end of log:
100007.558 Info AppManager.cpp:298: Saving to _autosave2 (blocking).
100025.752 Warning WriteFileGuard.cpp:57: Writing C:\Users{user}\AppData\Roaming\ModMyFactory\saves_autosave2.zip failed; previous version (if any) should still be available
100025.772 Error ParallelScenarioSaver.cpp:114: Saving scenario failed: The mod Transport Drones (0.7.12) caused a non-recoverable error.
Please report this error to the mod author.
Error while running event Transport_Drones::on_save()
bad allocation
100105.502 Error CrashHandler.cpp:480: Exception Code: e06d7363, Address: 0x00007ff830edd759
ModuleBase: 0x00007ff6ccc10000, ImageSize: 01c05000, RelativeAddress: 642cd759
100105.519 Error CrashHandler.cpp:500: Exception Context:
rax=0000000000000000, rbx=00007ff6ce612070, rcx=0000000000000000,
rdx=00000000000000c0, rsi=00000084ce0f7070, rdi=00000084ce0f6df0,
rip=00007ff830edd759, rsp=00000084ce0f6c80, rbp=00000084ce0f6dc0,
r8=00007ff8335c6e2c, r9=000002457b0e0000, r10=0000024600000000,
r11=00000000000000b2, r12=0000000000000100, r13=000002457f6af110,
r14=00000246c4791928, r15=0000000000000000
100105.556 Crashed in C:\WINDOWS\System32\KERNELBASE.dll (0x00007ff830eb0000 - 0x00007ff831179000)
Factorio crashed. Generating symbolized stacktrace, please wait ...
ERROR: SymGetSymFromAddr64, GetLastError: 126 (Address: 00007FF6CDD5DA0C)
ERROR: SymGetLineFromAddr64, GetLastError: 126 (Address: 00007FF6CDD5DA0C)
ERROR: SymGetModuleInfo64, GetLastError: 1114 (Address: 00007FF6CDD5DA0C)
00007FF6CDD5DA0C ((module-name not available)): (filename not available): (function-name not available)
Stack trace logging done
100158.969 Include minidump in crash report.
100158.969 Error CrashHandler.cpp:189: Map tick at moment of crash: 38862480
100158.969 Error Util.cpp:97: Unexpected error occurred. If you're running the latest version of the game you can help us solve the problem by posting the contents of the log file on the Factorio forums.
Please also include the save file(s), any mods you may be using, and any steps you know of to reproduce the crash.
101273.371 Uploading log file
101273.671 Error CrashHandler.cpp:258: Heap validation: success.
101273.677 Creating crash dump.
101284.365 CrashDump success
101284.394 Error CrashHandler.cpp:400: Unhandled exception type: .?AVBadAllocation@@
101284.414 Error CrashHandler.cpp:414: Unhandled exception: memory allocation of 2718978 bytes failed! RAM: 7820/8173, Page: 32746/32749.
101284.415 ProcessMemoryCounters: PageFaultCount=28163803, PeakWorkingSetSize=5079904256, WorkingSetSize=470720512, QuotaPeakPagedPoolUsage=831320, QuotaPagedPoolUsage=770368, QuotaPeakNonPagedPoolUsage=266528, QuotaNonPagedPoolUsage=265712, PagefileUsage=8015720448, PeakPagefileUsage=8184287232
101284.440 PerformanceInformation: CommitTotal=3770566, CommitLimit=8110739, CommitPeak=8383817, PhysicalTotal=2092361, PhysicalAvailable=383291, SystemCache=138169, KernelTotal=278566, KernelPaged=135075, KernelNonpaged=143491, PageSize=4096, HandleCount=99839, ProcessCount=240, ThreadCount=3069