oci-tar-builder is used at run time in 1 crate (of which 1 optionally). It's used only as a dev dependency in 2 crates.

Depender (with downloads and own rev deps) oci-tar-builder version
290 containerd-shim-wasm optional ^0.4.0
290 shimkit dev ^0.4.0
220 containerd-shimkit dev ^0.4.0