Better error message when no results are returned

[ezyang]

crest-team@cutter:~/working_copies/cnf-misc-ezyang/paper/data$ ./fetch_data.sh inttpointtree-mem
+ mkdir -p ./downloaded/
+ for bench in '$BENCHES'
+ go inttpointtree-mem
+ bench=inttpointtree-mem
+ QUERY='SELECT PROGNAME,VARIANT,DATETIME,ARGS,THREADS,MINTIME,MEDIANTIME,MEDIANTIME_PRODUCTIVITY,MAXTIME,GIT_DEPTH        FROM FT WHERE              MEDIANTIME > 0 and              PROGNAME LIKE '\''inttpointtree-mem%'\''            '
+ QUERY+='and HOSTNAME LIKE '\''%cutter%'\'''
+ QUERY+='and GIT_DEPTH >= 0'
+ hsbencher-fusion-fetch --id=905767673358.apps.googleusercontent.com --secret=REDACTED --table=CompactNF2 '--query=SELECT PROGNAME,VARIANT,DATETIME,ARGS,THREADS,MINTIME,MEDIANTIME,MEDIANTIME_PRODUCTIVITY,MAXTIME,GIT_DEPTH     FROM FT WHERE              MEDIANTIME > 0 and              PROGNAME LIKE '\''inttpointtree-mem%'\''            and HOSTNAME LIKE '\''%cutter%'\''and GIT_DEPTH >= 0' --raw
[HSBencher.Internal.Fusion] Initializing
[HSBencher.Internal.Fusion] Fetching information from Google
[HSBencher.Internal.Fusion] REDACTED
["PROGNAME","VARIANT","ARGS","HOSTNAME","MINTIME","MEDIANTIME","MAXTIME","THREADS","RETRIES","RUNID","CI_BUILD_ID","DATETIME","MINTIME_PRODUCTIVITY","MEDIANTIME_PRODUCTIVITY","MAXTIME_PRODUCTIVITY","ALLTIMES","TRIALS","COMPILER","COMPILE_FLAGS","RUNTIME_FLAGS","ENV_VARS","BENCH_VERSION","BENCH_FILE","UNAME","PROCESSOR","TOPOLOGY","GIT_BRANCH","GIT_HASH","GIT_DEPTH","WHO","ETC_ISSUE","LSPCI","FULL_LOG","MEDIANTIME_ALLOCRATE","MEDIANTIME_MEMFOOTPRINT","ALLJITTIMES","BYTES_ALLOC","BYTES_COPIED","CPUTIME","CYCLES","NUMGC","BYTES","BYTES_SENT","COMM","DESERIALIZE","GENTREE","SIZE","TOTALTIME","BYTES_ALLOCATED"]
hsbencher-fusion-fetch: getData: failed to parse JSON response:
valFromObj: Could not find key: "rows"

That failed to parse JSON response is an unfriendly message meaning the real thing which is, "No results!"

[rrnewton]

This is really an issue for handa-gdata package, but it is an important issue that we should get to now.