emojicode, 180 bytes

Result

WA

Code [DL]

🍦 event 🍩🎉 🕹
🏁 🍇
  🔂 i ⏩ 0 3 🍇
    🍦 key_e 🔲 event ⌨
    🍊 😛 🔣🍺key_e 🔟0 🍇
      😀 🔤hello world🔤
    🍉
  🍉
🍉  

stdin

10110001
10111110
00011100
00101101
00000110
10101011
00000011
01111000
11000101
01100001
11100100
10000110
10011111
00100100
01001111
00000001
10110011
01101001
00101110
10001000
01000001
00001111
00000111
11100111
01000010
10011001
00001011
10111010
01001110
00100101
00110000
00011000
00001010
11000111
00010001
00000000
00101011
11000110
10100001
01100000
01010010
11010010
11010011
00010101
01011011
00110111
10101011
01111000
11111101
00010111

stdout

stderr

🚨 line 1 column 0 /tmp/code.emojic: Unexpected identifier 🍦
🚨 Fatal Error: File couldn't be opened.
rm: cannot remove '/tmp/code.emojib': No such file or directory

strace