moo, 26 bytes

Result

AC

Duration

968ms

Code [DL]

0{iidi=d0=iti*r*+oiii0c}0c

stdin

522 225
695 991
133 377
266 757
749 481
699 399
994 447
529 296
427 722
689 551
437 171
199 296
187 786
226 322
348 559
835 287
511 733
496 668
638 878
688 449
944 441
558 347
661 177
244 113
146 469
736 767
926 632
599 967
936 339
195 968
916 518
418 413

stdout

29364942751973521688431447693954

stderr

thread 'main' panicked at 'stdin is closed @ 2', src/main.rs:321:25
note: Run with `RUST_BACKTRACE=1` environment variable to display a backtrace.

strace

10    execve("/bin/sh", ["/bin/sh", "/root/script", "/volume/CODE"], 0x7ffc3e0f8370 /* 8 vars */) = 0
11    execve("/bin/cat", ["cat", "-"], 0x56444f743c10 /* 8 vars */ <unfinished ...>
12    execve("/usr/bin/moo", ["/usr/bin/moo", "/volume/CODE"], 0x56444f743c28 /* 8 vars */ <unfinished ...>
11    <... execve resumed> )            = 0
12    <... execve resumed> )            = 0
11    +++ exited with 0 +++
10    --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=11, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
12    +++ exited with 101 +++
10    --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=12, si_uid=0, si_status=101, si_utime=0, si_stime=0} ---
10    +++ exited with 101 +++