Per https://doc.rust-lang.org/cargo/reference/manifest.html#the-version-field version numbers in Cargo.toml files need to have three parts. The 5.1 release just has "5.1", leading to: ``` error: unexpected end of input while parsing minor version number --> Cargo.toml:3:11 | 3 | version = "5.1" | ^^^^^ *** Error code 101 ``` Please apply this fix: ``` --- Cargo.toml.orig 2026-05-22 06:36:44.445007403 +0000 +++ Cargo.toml @@ -1,6 +1,6 @@ name = "greed" [package] name = "greed" -version = "5.1" +version = "5.1.0" edition = "2021" license = "BSD-2-Clause" ```