flaky test: SIGPIPE nimsuggest/tester

[timotheecour]

https://dev.azure.com/nim-lang/255dfe86-e590-40bb-a8a2-3c0295ebdeb1/_apis/build/builds/15574/logs/104
https://dev.azure.com/nim-lang/Nim/_build/results?buildId=15574&view=logs&jobId=ba7bbfa4-f55c-5c34-6d52-1b6b4edd3f37&j=ba7bbfa4-f55c-5c34-6d52-1b6b4edd3f37&t=d3579a4b-a806-5abe-ed48-07e8693a62db

hostOS: linux, hostCPU: i386, int: 4, float: 8, cpuEndian: littleEndian, cwd: /home/vsts/work/1/s

nim-lang#17745

2021-04-17T00:07:07.9603837Z ##[group]Run nimsuggest tests
2021-04-17T00:07:07.9604619Z nim c -r nimsuggest/tester
2021-04-17T00:07:08.0375954Z Hint: used config file '/home/vsts/work/1/s/config/nim.cfg' [Conf]
2021-04-17T00:07:08.0377199Z Hint: used config file '/home/vsts/work/1/s/config/config.nims' [Conf]
2021-04-17T00:07:09.0120918Z ........................................
2021-04-17T00:07:09.0122625Z /home/vsts/work/1/s/nimsuggest/tester.nim(258, 7) Hint: 'inp' is declared but not used [XDeclaredButNotUsed]
2021-04-17T00:07:09.1215066Z CC: stdlib_assertions.nim
2021-04-17T00:07:09.1244656Z CC: stdlib_dollars.nim
2021-04-17T00:07:09.1508805Z CC: stdlib_formatfloat.nim
2021-04-17T00:07:09.1541706Z CC: stdlib_io.nim
2021-04-17T00:07:09.1798392Z CC: stdlib_system.nim
2021-04-17T00:07:09.2428175Z CC: stdlib_parseutils.nim
2021-04-17T00:07:09.2923372Z CC: stdlib_unicode.nim
2021-04-17T00:07:09.3278919Z CC: stdlib_strutils.nim
2021-04-17T00:07:09.4644843Z CC: stdlib_pathnorm.nim
2021-04-17T00:07:09.5185102Z CC: stdlib_posix.nim
2021-04-17T00:07:09.5391428Z CC: stdlib_times.nim
2021-04-17T00:07:09.5413248Z CC: stdlib_os.nim
2021-04-17T00:07:09.6022065Z CC: stdlib_strtabs.nim
2021-04-17T00:07:09.6247883Z CC: stdlib_streams.nim
2021-04-17T00:07:09.7115453Z CC: stdlib_osproc.nim
2021-04-17T00:07:09.7184617Z CC: stdlib_pcre.nim
2021-04-17T00:07:09.7374726Z CC: stdlib_re.nim
2021-04-17T00:07:09.7959807Z CC: stdlib_lexbase.nim
2021-04-17T00:07:09.8206484Z CC: sexp.nim
2021-04-17T00:07:09.8562075Z CC: stdlib_nativesockets.nim
2021-04-17T00:07:09.9144686Z CC: stdlib_monotimes.nim
2021-04-17T00:07:09.9461546Z CC: stdlib_net.nim
2021-04-17T00:07:09.9752925Z CC: tester.nim
2021-04-17T00:07:10.1525427Z Hint:  [Link]
2021-04-17T00:07:10.2233754Z Hint: 56612 lines; 2.186s; 61.863MiB peakmem; Debug build; proj: nimsuggest/tester; out: /home/vsts/work/1/s/nimsuggest/tester [SuccessX]
2021-04-17T00:07:10.2235233Z Hint: /home/vsts/work/1/s/nimsuggest/tester  [Exec]
2021-04-17T00:07:10.2262132Z Test /home/vsts/work/1/s/nimsuggest/tests/taccent_highlight.nim
2021-04-17T00:07:10.6694698Z disabled epc: /home/vsts/work/1/s/nimsuggest/tests/taccent_highlight.nim
2021-04-17T00:07:10.6695236Z Test /home/vsts/work/1/s/nimsuggest/tests/tcallstrlit_highlight.nim
2021-04-17T00:07:11.1032279Z disabled epc: /home/vsts/work/1/s/nimsuggest/tests/tcallstrlit_highlight.nim
2021-04-17T00:07:11.1032818Z Test /home/vsts/work/1/s/nimsuggest/tests/tcase.nim
2021-04-17T00:07:11.9840376Z Test /home/vsts/work/1/s/nimsuggest/tests/tchk1.nim
2021-04-17T00:07:12.8683303Z Test /home/vsts/work/1/s/nimsuggest/tests/tchk_compiles.nim
2021-04-17T00:07:13.7399297Z Test /home/vsts/work/1/s/nimsuggest/tests/tcon1.nim
2021-04-17T00:07:16.1871395Z Test /home/vsts/work/1/s/nimsuggest/tests/tcon_variable.nim
2021-04-17T00:07:17.5843942Z Test /home/vsts/work/1/s/nimsuggest/tests/tcursor_at_end.nim
2021-04-17T00:07:18.5442186Z Test /home/vsts/work/1/s/nimsuggest/tests/tdef1.nim
2021-04-17T00:07:19.9754737Z Test /home/vsts/work/1/s/nimsuggest/tests/tdef2.nim
2021-04-17T00:07:21.8862161Z Test /home/vsts/work/1/s/nimsuggest/tests/tdef_forward.nim
2021-04-17T00:07:22.7727505Z Test /home/vsts/work/1/s/nimsuggest/tests/tdot1.nim
2021-04-17T00:07:23.6613702Z Test /home/vsts/work/1/s/nimsuggest/tests/tdot2.nim
2021-04-17T00:07:25.0451646Z Test /home/vsts/work/1/s/nimsuggest/tests/tdot3.nim
2021-04-17T00:07:26.9642730Z Test /home/vsts/work/1/s/nimsuggest/tests/tdot4.nim
2021-04-17T00:07:27.8512868Z Test /home/vsts/work/1/s/nimsuggest/tests/tgeneric_highlight.nim
2021-04-17T00:07:28.2982864Z disabled epc: /home/vsts/work/1/s/nimsuggest/tests/tgeneric_highlight.nim
2021-04-17T00:07:28.2984469Z Test /home/vsts/work/1/s/nimsuggest/tests/tinclude.nim
2021-04-17T00:07:30.7233817Z Test /home/vsts/work/1/s/nimsuggest/tests/tmacro_highlight.nim
2021-04-17T00:07:31.3601079Z Traceback (most recent call last)
2021-04-17T00:07:31.3602057Z /home/vsts/work/1/s/nimsuggest/tester.nim(344) tester
2021-04-17T00:07:31.3602698Z /home/vsts/work/1/s/nimsuggest/tester.nim(339) main
2021-04-17T00:07:31.3603306Z /home/vsts/work/1/s/nimsuggest/tester.nim(319) runTest
2021-04-17T00:07:31.3605695Z /home/vsts/work/1/s/lib/pure/streams.nim(165) flush
2021-04-17T00:07:31.3606252Z /home/vsts/work/1/s/lib/pure/streams.nim(1302) fsFlush
2021-04-17T00:07:31.3606730Z /home/vsts/work/1/s/lib/system/io.nim(325) flushFile
2021-04-17T00:07:31.3607185Z SIGPIPE: Pipe closed.
2021-04-17T00:07:31.3616234Z Error: execution of an external program failed: '/home/vsts/work/1/s/nimsuggest/tester '
2021-04-17T00:07:31.3634381Z FAILURE
2021-04-17T00:07:31.3709637Z ##[section]Finishing: Run CI

[timotheecour]

=> moved to nim-lang#17748