The honeycomb propagation context base64 test fails

[Fishrock123]

 ---- middleware::honeycomb::propagation::tests::test_marshal stdout ----
thread 'middleware::honeycomb::propagation::tests::test_marshal' panicked at 'assertion failed: `(left == right)`
  left: `"1;trace_id=abcdef123456,parent_id=0102030405,context=eyJlcnJvck1zZyI6ImZhaWxlZCB0byBzaWduIG9uIiwidG9SZXRyeSI6dHJ1ZSwidXNlcklEIjoxfQ=="`,
 right: `"1;trace_id=abcdef123456,parent_id=0102030405,context=eyJ1c2VySUQiOjEsImVycm9yTXNnIjoiZmFpbGVkIHRvIHNpZ24gb24iLCJ0b1JldHJ5Ijp0cnVlfQ=="`', src/middleware/honeycomb/propagation.rs:157:9

My best guess on this is that it is somehow impacted by the rust version.