Rollup merge of #30134 - salty-horse:patch-1, r=steveklabnik
Rollup merge of #30134 - salty-horse:patch-1, r=steveklabnik

random/secret guess -> secret number.

GBGamer/rust,GBGamer/rust,aidancully/rust,aidancully/rust,graydon/rust,GBGamer/rust,GBGamer/rust,aidancully/rust,aidancully/rust,aidancully/rust,aidancully/rust,GBGamer/rust,graydon/rust,graydon/rust,graydon/rust,graydon/rust,GBGamer/rust,GBGamer/rust,graydon/rust,GBGamer/rust