add debug logs to print COPY time for embedding jobs #1195

Job	Run time
build_extras (ubuntu-22.04, 12)	10m 18s
build_extras (ubuntu-22.04, 13)	10m 8s
build_extras (ubuntu-22.04, 14)	9m 53s
build_extras (ubuntu-22.04, 15)	10m 31s
build_lantern (ubuntu-22.04, 12)	1m 30s
build_extras (ubuntu-22.04, 16)	10m 19s
build_lantern (ubuntu-22.04, 13)	2m 8s
build_extras (ubuntu-22.04, 17)	15m 46s
build_lantern (ubuntu-22.04, 14)	1m 43s
build_extras (ubicloud-standard-4-arm, 12)	14m 42s
build_lantern (ubuntu-22.04, 15)	2m 2s
build_extras (ubicloud-standard-4-arm, 13)	14m 32s
build_lantern (ubuntu-22.04, 16)	1m 37s
build_extras (ubicloud-standard-4-arm, 14)	14m 48s
build_lantern (ubuntu-22.04, 17)	1m 57s
build_extras (ubicloud-standard-4-arm, 15)	14m 48s
build_lantern (ubicloud-standard-4-arm, 12)	1m 49s
build_extras (ubicloud-standard-4-arm, 16)	14m 46s
build_lantern (ubicloud-standard-4-arm, 13)	2m 12s
build_extras (ubicloud-standard-4-arm, 17)	23m 35s
build_lantern (ubicloud-standard-4-arm, 14)	2m 7s
build_extras (macos-13, 12)	25m 49s
build_lantern (ubicloud-standard-4-arm, 15)	2m 15s
build_extras (macos-13, 13)	22m 45s
build_lantern (ubicloud-standard-4-arm, 16)	2m 8s
build_extras (macos-13, 14)	20m 52s
build_lantern (ubicloud-standard-4-arm, 17)	2m 12s
build_extras (macos-13, 15)	25m 16s
build_lantern (macos-13, 12)	2m 24s
build_extras (macos-13, 16)	24m 32s
build_lantern (macos-13, 13)	1m 44s
build_extras (macos-13, 17)	30m 49s
build_lantern (macos-13, 14)	1m 57s
build_lantern (macos-13, 15)	2m 5s
build_lantern (macos-13, 16)	1m 54s
build_lantern (macos-13, 17)	1m 56s
package	0s
	5h 49m 49s

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