Dump Warnings Data

        $ parse-build-warnings /tmp/make-output/9d9546e0fa.freebsd.clang60.make.output.txt.gz
        File:  /tmp/make-output/9d9546e0fa.freebsd.clang60.make.output.txt.gz

        [
          {
            char   => 38,
            group  => "Wdeprecated-declarations",
            line   => 805,
            source => "./intrpvar.h",
            text   => "'Perl_sv_nosharing' is deprecated",
          },
          {
            char   => 37,
            group  => "Wdeprecated-declarations",
            line   => 806,
            source => "./intrpvar.h",
            text   => "'Perl_sv_nosharing' is deprecated",
          },
          {
            char   => 39,
            group  => "Wdeprecated-declarations",
            line   => 813,
            source => "./intrpvar.h",
            text   => "'Perl_sv_nounlocking' is deprecated",
          },
          {
            char   => 38,
            group  => "Wdeprecated-declarations",
            line   => 805,
            source => "./intrpvar.h",
            text   => "'Perl_sv_nosharing' is deprecated",
          },
          {
            char   => 37,
            group  => "Wdeprecated-declarations",
            line   => 806,
            source => "./intrpvar.h",
            text   => "'Perl_sv_nosharing' is deprecated",
          },
          {
            char   => 39,
            group  => "Wdeprecated-declarations",
            line   => 813,
            source => "./intrpvar.h",
            text   => "'Perl_sv_nounlocking' is deprecated",
          },
          {
            char   => 5,
            group  => "Wunused-variable",
            line   => 1356,
            source => "Encode.c",
            text   => "unused variable 'ix'",
          },
          {
            char   => 5,
            group  => "Wunused-variable",
            line   => 1398,
            source => "Encode.c",
            text   => "unused variable 'ix'",
          },
        ]