emojicode, 181 bytes

Result

WA

Code [DL]

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

stdin

10000100
01101001
01111010
11001100
00111010
01111000
00000000
00010000
10110111
01111100
11010010
00010101
00000011
00001111
11011110
11111101
10011001
00101000
00110111
11110110
10111110
01001011
10110100
01011011
01001000
11011100
00101101
00000110
01001110
10001011
10010010
00011100
11011011
10101011
10001000
01010100
00100100
00000100
11100010
00011101
10111110
01101110
00001010
00011110
11100111
11010010
01000010
00000001
01011001
00011011

stdout

stderr

🚨 line 2 column 26 /tmp/code.emojic: Could not find type 🕹 in enamespace 🔴.
🚨 Fatal Error: File couldn't be opened.
rm: cannot remove '/tmp/code.emojib': No such file or directory

strace