message: Pin serde to a specific version, to keep compatibility with libtock-rs' toolchain.
  The latest version of serde requires a newer toolchain. This change allows the examples to keep building, un-breaking the Travil build.
diff: @@ -10,7 +10,9 @@ linked_list_allocator = "0.6.3"
  [dev-dependencies]
  corepack = { version = "0.4.0", default-features = false, features = ["alloc"] }
  -serde = { version = "1.0.84", default-features = false, features = ["derive"] }
  +# We pin the serde version because newer serde versions may not be compatible
  +# with the nightly toolchain used by libtock-rs.
  +serde = { version = "=1.0.84", default-features = false, features = ["derive"] }
  [profile.dev]
  panic = "abort"
  