syntax_data: {"ast_node_type":"other","tokens":[{"end":71,"kind":"keyword","start":0,"text":"hasher.write(val.to_string_lossy().into_owned().as_bytes())"}]}
source_snippet:             hasher.write(val.to_string_lossy().into_owned().as_bytes())
context_before:         if let Some(val) = std::env::var_os("RUSTC_FORCE_RUSTC_VERSION") {
context_after:         } else {