xfstests failed to build on Cosmic & Disco

 test1.c:164:35: warning: suggest parentheses around arithmetic in operand of ‘|’ [-Wparentheses]
 { "bits", '\0', POPT_ARG_BITSET|POPT_ARGFLAG_DOC_HIDDEN, &aBits, 0,
 ^
 poptconfig.c: In function ‘poptReadConfigFile’:
 poptconfig.c:399:9: warning: variable ‘xx’ set but not used [-Wunused-but-set-variable]
 int xx;
 ^~
 poptint.c:12:28: warning: ‘utf8_skip_data’ defined but not used [-Wunused-const-variable=]
 static const unsigned char utf8_skip_data[256] = {
 ^~~~~~~~~~~~~~
 popt.c: In function ‘execCommand’:
 popt.c:483:9: warning: variable ‘rc’ set but not used [-Wunused-but-set-variable]
 int rc;
 ^~
 popthelp.c: In function ‘getArgDescrip’:
 popthelp.c:176:27: warning: unused parameter ‘translation_domain’ [-Wunused-parameter]
 /*@null@*/ const char * translation_domain)
 ~~~~~~~~~~~~~^~~~~~~~~~~~~~~~~~
 popthelp.c: In function ‘singleOptionDefaultValue’:
 popthelp.c:230:27: warning: unused parameter ‘translation_domain’ [-Wunused-parameter]
 /*@null@*/ const char * translation_domain)
 ~~~~~~~~~~~~~^~~~~~~~~~~~~~~~~~
 popthelp.c: In function ‘singleOptionHelp’:
 popthelp.c:325:9: warning: variable ‘xx’ set but not used [-Wunused-but-set-variable]
 int xx;
 ^~
 popthelp.c: In function ‘singleTableHelp’:
 popthelp.c:606:9: warning: variable ‘xx’ set but not used [-Wunused-but-set-variable]
 int xx;
 ^~
 popthelp.c: In function ‘showHelpIntro’:
 popthelp.c:647:9: warning: variable ‘xx’ set but not used [-Wunused-but-set-variable]
 int xx;
 ^~
 popthelp.c: In function ‘poptPrintHelp’:
 popthelp.c:666:9: warning: variable ‘xx’ set but not used [-Wunused-but-set-variable]
 int xx;
 ^~
 ar: `u' modifier ignored since `D' is the default (see `U')
 configure: WARNING: unrecognized options: --disable-nls
 configure: WARNING: unrecognized options: --disable-nls
 /bin/sh: 1: lsdiff: not found
 ar: creating libaio.a
 config.status: WARNING: 'Makefile.in' seems to ignore the --datarootdir setting
 snprintf.c: In function ‘dopr’:
 snprintf.c:319:11: warning: this statement may fall through [-Wimplicit-fallthrough=]
 flags |= DP_F_UP;
 ^
 snprintf.c:320:4: note: here
 case 'x':
 ^~~~
 snprintf.c:341:11: warning: this statement may fall through [-Wimplicit-fallthrough=]
 flags |= DP_F_UP;
 ^
 snprintf.c:342:4: note: here
 case 'e':
 ^~~~
 snprintf.c:350:11: warning: this statement may fall through [-Wimplicit-fallthrough=]
 flags |= DP_F_UP;
 ^
 snprintf.c:351:4: note: here
 case 'g':
 ^~~~
 dbench.c: In function ‘main’:
 dbench.c:469:9: warning: variable ‘t’ set but not used [-Wunused-but-set-variable]
 double t, latency=0;
 ^
 fileio.c: In function ‘nb_writex’:
 fileio.c:344:4: warning: ignoring return value of ‘pread’, declared with attribute warn_unused_result [-Wunused-result]
 pread(ftable[i].fd, &c, 1, offset);
 ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
 fileio.c:351:4: warning: ignoring return value of ‘ftruncate’, declared with attribute warn_unused_result [-Wunused-result]
 ftruncate(ftable[i].fd, offset+1);
 ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
 fileio.c: In function ‘nb_cleanup’:
 fileio.c:508:2: warning: ignoring return value of ‘asprintf’, declared with attribute warn_unused_result [-Wunused-result]
 asprintf(&dname, "%s/clients/client%d", child->directory, child->id);
 ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
 fileio.c:512:2: warning: ignoring return value of ‘asprintf’, declared with attribute warn_unused_result [-Wunused-result]
 asprintf(&dname, "%s%s", child->directory, "/clients");
 ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
 fileio.c: In function ‘nb_deltree’:
 fileio.c:533:3: warning: ignoring return value of ‘asprintf’, declared with attribute warn_unused_result [-Wunused-result]
 asprintf(&fname, "%s/%s", dname, de->d_name);
 ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
 child.c: In function ‘child_run’:
 child.c:177:3: warning: ignoring return value of ‘asprintf’, declared with attribute warn_unused_result [-Wunused-result]
 asprintf(&child->cname,"client%d", child->id);
 ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
 make: *** [Makefile:30: all] Error 1

Complete build log: https://pastebin.ubuntu.com/p/TCnR2SSrWJ/