Rollup merge of #71034 - GuillaumeGomez:cleanup-e0515, r=Dylan-DPC
Rollup merge of #71034 - GuillaumeGomez:cleanup-e0515, r=Dylan-DPC

Clean up E0515 explanation

r? @Dylan-DPC

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