Only add the reserves #662

Job	Run time
windows-msvc-shared (CBOR)	9m 30s
windows-msvc-shared (PARQUET)	42m 42s
windows-msvc-shared (AVRO)	7m 53s
windows-msvc-shared (YAML)	5m 1s
windows-msvc-shared (TOML)	4m 17s
windows-msvc-shared (MSGPACK)	3m 53s
windows-msvc-shared (CAPNPROTO)	7m 41s
windows-msvc-shared (XML)	3m 44s
windows-msvc-shared (FLEXBUFFERS)	5m 56s
windows-msvc-shared (UBJSON)	8m 0s
windows-msvc-shared (JSON)	12m 19s
windows-msvc (FLEXBUFFERS)	5m 33s
windows-msvc (CBOR)	8m 43s
windows-msvc (JSON)	10m 50s
windows-msvc (UBJSON)	8m 6s
windows-msvc (AVRO)	7m 59s
windows-msvc (MSGPACK)	4m 34s
windows-msvc (CEREAL)	4m 42s
windows-msvc (YAML)	4m 11s
windows-msvc (XML)	4m 30s
windows-msvc (CAPNPROTO)	8m 39s
windows-msvc (TOML)	4m 31s
windows-msvc (benchmarks)	49m 38s
windows-msvc (PARQUET)	37m 55s
	4h 30m 47s

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