rust-analyzer version: 0.4.1476-standalone (2c251a7 2023-04-13)
rustc version: 1.70.0-nightly (ec2f40c 2023-03-30)
In VS Code Insiders (version 1.78.0-insider, commit c9df8ee8e8c316f38dcc75a894ba150024ce3718), code lenses have the wrong label as shown below, and clicking on them also results in an error notification:


So far I've only been able to see this in implementation lenses, the ones for tests seem to be working fine.