Launching

        Call history:

        configf.scm:288: hash-table?
        configf.scm:289: hash-table-ref/default
        db.scm:144: configf:lookup
        configf.scm:288: hash-table?
        configf.scm:289: hash-table-ref/default
        db.scm:144: conc
        db.scm:142: call-with-current-continuation
        db.scm:142: with-exception-handler
        db.scm:142: ##sys#call-with-values
        db.scm:153: directory?
        db.scm:142: k628
        db.scm:142: g632
        db.scm:155: conc
        runs.scm:463: k767
        runs.scm:463: g771
        runs.scm:467: print-call-chain          <--
ERROR: failure in runs:run-tests-queue thread, error: segmentation violation
Launching