moo, 37 bytes

Result

AC

Duration

711ms

Code [DL]

0{1+idrd75=51*r84>*-d51>*dr1>+o0c}0dc

stdin

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    K                                             

stdout

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    L!!!!!!!!!!!!!!!!                             

stderr

thread 'main' panicked at 'stdin is closed @ 4', src/main.rs:321:25
note: Run with `RUST_BACKTRACE=1` environment variable to display a backtrace.

strace

11    execve("/bin/sh", ["/bin/sh", "/root/script", "/volume/CODE"], 0x7ffc6f1cb490 /* 8 vars */) = 0
12    execve("/bin/cat", ["cat", "-"], 0x5555a3efdc10 /* 8 vars */ <unfinished ...>
13    execve("/usr/bin/moo", ["/usr/bin/moo", "/volume/CODE"], 0x5555a3efdc28 /* 8 vars */) = 0
12    <... execve resumed> )            = 0
12    +++ exited with 0 +++
11    --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=12, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
13    +++ exited with 101 +++
11    --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=13, si_uid=0, si_status=101, si_utime=0, si_stime=0} ---
11    +++ exited with 101 +++