darling hangs when trying to save out to variable when bootstrap isn't already running

[tihmstar]

Expected Result
darling should bootstrap and then execute the command and write the result into a variable.

Actual Result
Darling bootstrap hangs when trying to write the result into a variable indefinitely

Steps To Reproduce
This causes a hang:

RANDSTR=$(cat /dev/random | head -c16 | xxd -p)
DIRPATH="/tmp/darling.XXXXXXXX"${RANDSTR}
MYTMPDIR=$(mktemp -d ${DIRPATH})
export HOME=${MYTMPDIR}
rsp=$(/usr/local/bin/darling exec /usr/local/libexec/darling/bin/echo 123)

Output:

Setting up a new Darling prefix at /tmp/darling.sEDpLv9t2ed667d37f5a7ffbcdc87b06c5280f1b/.darling
<HANGS HERE FOREVER>

However running it first without writing it to the variable (so that darling can first bootstrap), works as expected.

RANDSTR=$(cat /dev/random | head -c16 | xxd -p)
DIRPATH="/tmp/darling.XXXXXXXX"${RANDSTR}
MYTMPDIR=$(mktemp -d ${DIRPATH})
export HOME=${MYTMPDIR}
/usr/local/bin/darling exec /usr/local/libexec/darling/bin/echo 123
rsp=$(/usr/local/bin/darling exec /usr/local/libexec/darling/bin/echo 123)
echo $rsp

Output:

Setting up a new Darling prefix at /tmp/darling.WreDvMdhbf5751fbb219b31eb38940698138400b/.darling
Bootstrapping the container with launchd...
123
123

dmesg Output
Run dmesg | grep 'overlay\|darling'

[346121.157101] overlayfs: "xino" feature enabled using 2 upper inode bits.

System Information
What system are you running?

Software	Version
Linux Kernel	6.8.7-arch1-1
Darling	7c8415e