syntax_data: {"ast_node_type":"other","tokens":[{"end":72,"kind":"keyword","start":0,"text":"\"apfloat::ieee::Double"}]}
source_snippet:                 "apfloat::ieee::Double gave different result for `{}`: \
context_before:                 u128::from(rust_f.to_bits()) == f.to_bits(),
context_after:                  {}({:#x}) vs Rust's {}({:#x})",