This is what I got when I put the command in.
cpi@clockworkpi:~$ mupen64plus /home/cpi/games/mupen64/Mario64.n64
| / |_ _ _ __ ___ _ __ / /_ | || | | _ | |_ _ ___
| |/| | | | | '_ \ / _ \ '_ | '_ | || || |) | | | | / |
| | | | || | |) | / | | | (_) | | __/| | || __
|| ||_,| ./ _|| ||_/ || || ||_,|_/
|| https://mupen64plus.org/
Mupen64Plus Console User-Interface Version 2.5.9
UI-Console: attached to core library ‘Mupen64Plus Core’ version 2.5.9
UI-Console: Includes support for Dynamic Recompiler.
Core: Using full mem base
Core: Goodname: Super Mario 64 (U) [o1]
Core: Name: SUPER MARIO 64
Core: MD5: AED29A731056F34B79E6B996BDBAFB63
Core: CRC: 635A2BFF 8B022326
Core: Imagetype: .z64 (native)
Core: Rom size: 33554432 bytes (or 32 Mb or 256 Megabits)
Core: Version: 1444
Core: Manufacturer: Nintendo
Core: Country: USA
UI-Console Status: Cheat codes disabled.
UI-Console: using Video plugin: ‘Mupen64Plus OpenGL Video Plugin by Rice’ v2.5.9
UI-Console: using Audio plugin: ‘Mupen64Plus SDL Audio Plugin’ v2.5.9
UI-Console: using Input plugin: ‘Mupen64Plus SDL Input Plugin’ v2.5.9
UI-Console: using RSP plugin: ‘Hacktarux/Azimer High-Level Emulation RSP Plugin’ v2.5.9
Core: input plugin did not specify a render callback; there will be no on screen display by the input plugin.
Input: 0 SDL joysticks were found.
Input: N64 Controller #1: Using manual config with no SDL joystick (keyboard/mouse only)
Input: 1 controller(s) found, 1 plugged in and usable in the emulator
Input Warning: Couldn’t open rumble support for joystick #1
Input Warning: Couldn’t open rumble support for joystick #2
Input Warning: Couldn’t open rumble support for joystick #3
Input Warning: Couldn’t open rumble support for joystick #4
Input: Mupen64Plus SDL Input Plugin version 2.5.9 initialized.
RSP: RSP Fallback disabled !
Core: Using video capture backend: dummy
Core: Game controller 0 (Standard controller) has a Memory pak plugged in
Core: Game controller 1 (Standard controller) has a Memory pak plugged in
Core: Game controller 2 (Standard controller) has a Memory pak plugged in
Core: Game controller 3 (Standard controller) has a Memory pak plugged in
Core: Using CIC type X102
Video: Disabled SSE processing.
Video: Found ROM ‘SUPER MARIO 64’, CRC ff2b5a632623028b-45
Video: Initializing OpenGL Device Context.
Core Error: SDL video subsystem init failed: No available video device
Core Status: Rom closed.
cpi@clockworkpi:~$