MERCURY_OPTIONS= --deep-random-write=25 --mdb-disable-progress
make[3]: Entering directory '/mnt/testing/run/build/mercury-srcdist-rotd-2024-10-10/tests/valid'
/mnt/testing/run/build/mercury-srcdist-rotd-2024-10-10/stage2/scripts/mmc --generate-dependencies --grade asm_fast.gc.profdeep.stseg     --mercury-linkage static --flags ../TESTS_FLAGS --flags ../WS_FLAGS     headvar_not_found > headvar_not_found.dep_err 2>&1
make[3]: Leaving directory '/mnt/testing/run/build/mercury-srcdist-rotd-2024-10-10/tests/valid'
make[3]: Entering directory '/mnt/testing/run/build/mercury-srcdist-rotd-2024-10-10/tests/valid'
/mnt/testing/run/build/mercury-srcdist-rotd-2024-10-10/stage2/scripts/mmc --make-interface --grade asm_fast.gc.profdeep.stseg     --mercury-linkage static --flags ../TESTS_FLAGS --flags ../WS_FLAGS     headvar_not_found
/mnt/testing/run/build/mercury-srcdist-rotd-2024-10-10/stage2/scripts/mmc --compile-to-c --grade asm_fast.gc.profdeep.stseg     --mercury-linkage static --flags ../TESTS_FLAGS --flags ../WS_FLAGS     headvar_not_found > headvar_not_found.err 2>&1
/mnt/testing/run/build/mercury-srcdist-rotd-2024-10-10/stage2/scripts/mgnuc --grade asm_fast.gc.profdeep.stseg       --      -c headvar_not_found.c -o headvar_not_found.o
ccache: error: Failed to write to /home/mercury/.ccache/c/stats.tmp.v-1.875941.2SmUSI
make[3]: *** [/tmp/mmake.WnWRsv:17157: headvar_not_found.o] Error 1
make[3]: Target 'headvar_not_found.runtest' not remade because of errors.
make[3]: Leaving directory '/mnt/testing/run/build/mercury-srcdist-rotd-2024-10-10/tests/valid'