This package has never built on riscv64.
Latest build log is at
https://buildd.debian.org/status/fetch.php?pkg=libapp-stacktrace-perl&arch=riscv64&ver=0.09-5&stamp=1694400120&raw=0
Child exited at t/unthreaded.t line 9.
# Looks like your test exited with 1 before it could output anything.
t/unthreaded.t ............
1..5
Dubious, test returned 1 (wstat 256, 0x100)
Failed 5/5 subtests
Test Summary Report
-------------------
t/unthreaded.t (Wstat: 256 (exited 1) Tests: 0 Failed: 0)
Non-zero exit status: 1
Parse errors: Bad plan. You planned 5 tests but ran 0.
Files=4, Tests=1, 7 wallclock secs ( 0.12 usr 0.04 sys + 5.28 cusr 0.96 csys = 6.40 CPU)
Result: FAIL