Reports similar to...

Report from branch smoke-me/khw-regcomp:

Karl Williamson: regexec						C
FAIL(F)	cygwin_nt-10.0 3.0.3(0.338/5/3)	x86_64	gcc 7.4.0	carlos # carlosguevara.com	2019-03-19 23:44:34	Report N S

Also included below highlighted in blue

v5.29.8-153-g44ab9808d2  Configuration (common) -Dcc=gcc
----------- ---------------------------------------------------------
F F         
O O         -Duse64bitall
F O         -Duseithreads
F O         -Duseithreads -Duse64bitall
| +--------- -DDEBUGGING
+----------- no debugging

Branch smoke-me/khw-regcomp

Karl Williamson: regexec						C
FAIL(F)	cygwin_nt-10.0 3.0.3(0.338/5/3)	x86_64	gcc 7.4.0	core	2019-03-19 22:00:22	Report DB S
FAIL(F)	cygwin_nt-10.0 3.0.3(0.338/5/3)	x86_64	gcc 7.4.0	carlos # carlosguevara.com	2019-03-19 23:44:34	Report N S
Karl Williamson: t/re/pat_advanced.t: Change some ok's to like's						C
FAIL(m)	cygwin_nt-10.0 3.0.3(0.338/5/3)	x86_64	gcc 7.4.0	core	2019-03-13 12:00:21	Report DB S

Branch smoke-me/jkeenan/ntyni/133928-posix

Niko Tyni: Fix POSIX::mblen mbstate_t initialization on threaded perls with glibc						C
FAIL(F)	cygwin_nt-10.0 3.0.3(0.338/5/3)	x86_64	gcc 7.4.0	core	2019-03-14 08:30:20	Report DB S

Branch smoke-me/jkeenan/ntyni/133928-posix-2nd

Niko Tyni: Fix POSIX::mblen mbstate_t initialization on threaded perls with glibc						C
FAIL(F)	cygwin_nt-10.0 3.0.3(0.338/5/3)	x86_64	gcc 7.4.0	core	2019-03-17 17:00:20	Report DB S

Branch smoke-me/khw-core

Karl Williamson: Revert "fix leak when compiling typed hash deref"						C
FAIL(F)	cygwin_nt-10.0 3.0.3(0.338/5/3)	x86_64	gcc 7.4.0	core	2019-03-12 15:30:16	Report DB S

Branch smoke-me/khw-length

Karl Williamson: smoke						C
FAIL(F)	cygwin_nt-10.0 3.0.3(0.338/5/3)	x86_64	gcc 7.4.0	core	2019-03-17 04:30:16	Report DB S

Branch smoke-me/khw-locale

Karl Williamson: locale.c: Don't try to recreate the LC_ALL C locale						C
FAIL(F)	cygwin_nt-10.0 3.0.3(0.338/5/3)	x86_64	gcc 7.4.0	core	2019-03-21 17:00:24	Report DB S

Branch smoke-me/khw-stack

Karl Williamson: smoke						C
FAIL(F)	cygwin_nt-10.0 3.0.3(0.338/5/3)	x86_64	gcc 7.4.0	core	2019-03-16 20:00:22	Report DB S

Branch smoke-me/khw-vlb

Karl Williamson: regexec.c: White-space only						C
FAIL(F)	cygwin_nt-10.0 3.0.3(0.338/5/3)	x86_64	gcc 7.4.0	core	2019-03-19 02:00:21	Report DB S

Branch blead

Karl Williamson: PATCH: [perl #133984] Failure in lookbehind						C
FAIL(F)	cygwin_nt-10.0 3.0.3(0.338/5/3)	x86_64	gcc 7.4.0	core	2019-03-23 06:00:25	Report DB S
Karl Williamson: handy.h: Change some macros to use new inRANGE						C
FAIL(F)	cygwin_nt-10.0 3.0.3(0.338/5/3)	x86_64	gcc 7.4.0	core	2019-03-22 04:30:16	Report DB S
Karl Williamson: Add common UTF-8 first byte to ANYOFH regnodes						C
FAIL(F)	cygwin_nt-10.0 3.0.3(0.338/5/3)	x86_64	gcc 7.4.0	core	2019-03-21 06:30:23	Report DB S
Nicolas R: Bump Devel::PPPort to keep in sync with CPAN						C
FAIL(F)	cygwin_nt-10.0 3.0.3(0.338/5/3)	x86_64	gcc 7.4.0	core	2019-03-20 07:00:20	Report DB S
Karl Williamson: Merge branch 'vlb' into blead						C
FAIL(F)	cygwin_nt-10.0 3.0.3(0.338/5/3)	x86_64	gcc 7.4.0	core	2019-03-19 12:00:26	Report DB S
Karl Williamson: PATCH: [perl #131551] Too deep regex compilation recursion						C
FAIL(F)	cygwin_nt-10.0 3.0.3(0.338/5/3)	x86_64	gcc 7.4.0	core	2019-03-18 15:30:25	Report DB S
Karl Williamson: perlre: Consistent casing and spelling of VERB args						C
FAIL(F)	cygwin_nt-10.0 3.0.3(0.338/5/3)	x86_64	gcc 7.4.0	core	2019-03-18 02:30:11	Report DB S
Karl Williamson: inline.h: Improve comment						C
FAIL(F)	cygwin_nt-10.0 3.0.3(0.338/5/3)	x86_64	gcc 7.4.0	core	2019-03-16 12:00:23	Report DB S
Karl Williamson: t/re/pat.t: Add test for [perl #133933]						C
FAIL(F)	cygwin_nt-10.0 3.0.3(0.338/5/3)	x86_64	gcc 7.4.0	core	2019-03-15 11:00:20	Report DB S
Karl Williamson: PATCH: [perl #133921] Segfaults in regcomp.c						C
FAIL(F)	cygwin_nt-10.0 3.0.3(0.338/5/3)	x86_64	gcc 7.4.0	core	2019-03-15 00:00:39	Report DB S
Dan Kogai: Encode: synch with CPAN version 3.01						C
FAIL(F)	cygwin_nt-10.0 3.0.3(0.338/5/3)	x86_64	gcc 7.4.0	core	2019-03-13 20:30:27	Report DB S
Karl Williamson: is_invlist(): Allow NULL input						C
FAIL(F)	cygwin_nt-10.0 3.0.3(0.338/5/3)	x86_64	gcc 7.4.0	core	2019-03-13 02:30:24	Report DB S
David Mitchell: Fix leak on syntax error in main prog						C
FAIL(F)	cygwin_nt-10.0 3.0.3(0.338/5/3)	x86_64	gcc 7.4.0	core	2019-03-12 06:30:21	Report DB S
Karl Williamson: Don't use utf8_heavy.pl unless needed						C
FAIL(F)	cygwin_nt-10.0 3.0.3(0.338/5/3)	x86_64	gcc 7.4.0	core	2019-03-11 22:30:43	Report DB S
Karen Etheridge: upgrade ExtUtils::Manifest from version 1.71 to 1.72						C
PASS	cygwin_nt-10.0 3.0.3(0.338/5/3)	x86_64	gcc 7.4.0	core	2019-03-11 11:30:18	Report DB S

What's "similar"?

Same host, same os including the major and minor versions but not the "patch" or third level of version, same build configurations.