MERCURY_OPTIONS= --deep-random-write=25 --deep-std-name --mdb-disable-progress
gmake[3]: Entering directory '/home/mercury/testing/run/build/mercury-srcdist-rotd-2025-05-14/tests/warnings'
/home/mercury/testing/run/build/mercury-srcdist-rotd-2025-05-14/stage2/scripts/mmc --generate-dependencies --grade hlc.gc    --mercury-linkage static --flags ../TESTS_FLAGS --flags ../WS_FLAGS --output-compile-error-lines 0 --color-diagnostics --infer-all -O5 --intermod-opt --warn-unused-imports --no-warn-unsorted-import-block   bug412 > bug412.dep_err 2>&1
gmake[3]: Leaving directory '/home/mercury/testing/run/build/mercury-srcdist-rotd-2025-05-14/tests/warnings'
gmake[3]: Entering directory '/home/mercury/testing/run/build/mercury-srcdist-rotd-2025-05-14/tests/warnings'
/home/mercury/testing/run/build/mercury-srcdist-rotd-2025-05-14/stage2/scripts/mmc --make-interface --grade hlc.gc    --mercury-linkage static --flags ../TESTS_FLAGS --flags ../WS_FLAGS --output-compile-error-lines 0 --color-diagnostics --infer-all -O5 --intermod-opt --warn-unused-imports --no-warn-unsorted-import-block   bug412
/home/mercury/testing/run/build/mercury-srcdist-rotd-2025-05-14/stage2/scripts/mmc --make-optimization-interface --grade hlc.gc    --mercury-linkage static --flags ../TESTS_FLAGS --flags ../WS_FLAGS --output-compile-error-lines 0 --color-diagnostics --infer-all -O5 --intermod-opt --warn-unused-imports --no-warn-unsorted-import-block   bug412
/home/mercury/testing/run/build/mercury-srcdist-rotd-2025-05-14/stage2/scripts/mmc --errorcheck-only --grade hlc.gc    --mercury-linkage static --flags ../TESTS_FLAGS --flags ../WS_FLAGS --output-compile-error-lines 0 --color-diagnostics --infer-all -O5 --intermod-opt --warn-unused-imports --no-warn-unsorted-import-block   bug412 > bug412.err 2>&1
Comparing bug412.err with bug412.err_exp*,
	results in bug412.err_res
** bug412.err did not match the expected error output
** (closest match was bug412.err_res1)
--- bug412.err_exp	2025-05-12 23:02:36.000000000 +1000
+++ bug412.err	2025-05-15 00:23:35.933043721 +1000
@@ -1,6 +1,3 @@
-bug412.m:008: In module `bug412':
-bug412.m:008:   warning: module bool has an `:- import_module' declaration in
-bug412.m:008:   the interface, but is not used in the interface.
 bug412.m:021: In module `bug412':
 bug412.m:021:   warning: the following modules have `:- import_module'
 bug412.m:021:   declarations, but are not used anywhere in the module.
gmake[3]: *** [../Mmake.common:166: bug412.err_res] Error 1
gmake[3]: Target 'bug412.runtest' not remade because of errors.
gmake[3]: Leaving directory '/home/mercury/testing/run/build/mercury-srcdist-rotd-2025-05-14/tests/warnings'
ERROR OUTPUT
bug412.m:021: In module `bug412':
bug412.m:021:   warning: the following modules have `:- import_module'
bug412.m:021:   declarations, but are not used anywhere in the module.
bug412.m:021:   module bitmap
bug412.m:022:   module bit_buffer
bug412.m:024:   module char
bug412.m:025:   module diet
bug412.m:026:   module digraph
bug412.m:027:   module enum
bug412.m:028:   module io
bug412.m:029:   module ops
bug412.m:030:   module pprint
bug412.m:031:   module rtree
bug412.m:032:   module store
bug412.m:033:   module stream
bug412.m:034:   module string
bug412.m:035:   module string.builder
bug412.m:037:   module term
bug412.m:038:   module univ
END OF THE ERROR OUTPUT