Several buckets such as the Powder Snow Bucket are entirely consumed when used as a crafting ingredient. The craftingRemainingItem has not been set to an empty bucket for these bucket variants like it has been for lava/water/milk buckets.
The following buckets are affects
Powder Snow Bucket
Pufferfish Bucket
Salmon Bucket
Cod Bucket
Tropical Fish Bucket
Axolotl Bucket
I've included a datapack with a recipe that confirms this. The recipe is 8 stone surrounding a powder snow bucket.
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We're tracking this issue in MC-151457, so this ticket is being resolved and linked as a duplicate.
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