simula, 43 bytes

Result

WA

Code [DL]

Begin
OutText("Hello World!");Outimage;End;

stdin

01110101
00100100
01101000
11111001
10111110
01000100
01000010
00010101
11100011
10101011
11001110
11111101
11110101
01010111
01111001
00100101
10010000
01111000
10001000
00011100
00101011
01001110
10101011
00000000
11010010
10011001
01101001
00000011
10011010
00001111
01001111
01011011
01101010
10111001
10011110
10100110
01110110
00100011
00000001
11100111
01010001
11011011
00001010
00011110
00000110
00101101
11011001
00110111
00000011
00101110

stdout

Hello World!

stderr

Compiling /tmp/code.sim:
gcc -g -O2 -c code.c
code.c: In function ‘main’:
code.c:105:136: warning: implicit declaration of function ‘exit’ [-Wimplicit-function-declaration]
 int main(int __argc, char *__argv[]){__progname= __argv[0];goto __sw;__l0:__rstart(__argc,__argv);goto __start;__l1:__slutt:__rslutt();exit(0);__start:__curent_map=__mapmain;
                                                                                                                                        ^
code.c:105:136: warning: incompatible implicit declaration of built-in function ‘exit’
code.c:105:136: note: include ‘<stdlib.h>’ or provide a declaration of ‘exit’
/tmp/code.sim:2:92: warning: implicit declaration of function ‘__rbe’ [-Wimplicit-function-declaration]
/tmp/code.sim: In function ‘__init’:
/tmp/code.sim:5:19: warning: implicit declaration of function ‘__init_FILE’ [-Wimplicit-function-declaration]
/tmp/code.sim: At top level:
/tmp/code.sim:6:1: warning: return type defaults to ‘int’ [-Wimplicit-int]
/tmp/code.sim:12:1: warning: return type defaults to ‘int’ [-Wimplicit-int]
gcc -g -O2 -o /tmp/code code.o -L/usr/local/lib -lcim

strace