If the error text exceeds the forum's 9000 character limit, save it to a .txt file and post it as an attachment. If you click the "Reply" button here, you will see an "Attachments and other settings" link.Which hardware core are you using to add support for the ATtiny85 to the Arduino IDE (e.g., ATTinyCore, damellis/attiny)?
" use the ATtiny85 capable of running at 20MHz (20PU). Burn bootloader to operate on internal clock at 16 MHz"
I know how to do this using ATTinyCore but I don't have any experience with Digispark. There are some ATtiny experts here who should be able to chime in with the information you need.
Edit:- also found how to mod to make the chip run at 16Mhz internal.https://www.hackster.io/porrey/attiny-16mhz-610d41
None of that is necessary. ATTinyCore has that all done for you. You can just select Tools > Board > ATtiny25/45/85, Tools > Clock > 16 MHz (PLL) and then do a Burn Bootloader.But you might not even need to do that. Some of the Digispark boards come running at 16 MHz. What do you select from the Tools > Board menu normally when you are using your Digispark?
Arduino: 1.8.9 (Windows 7), Board: "Digispark (Default - 16.5mhz)"Sketch uses 7136 bytes (118%) of program storage space. Maximum is 6012 bytes.Global variables use 206 bytes of dynamic memory.Sketch too big; see http://www.arduino.cc/en/Guide/Troubleshooting#size for tips on reducing it.Error compiling for board Digispark (Default - 16.5mhz).This report would have more information with"Show verbose output during compilation"option enabled in File -> Preferences.