Require linked-hash-map v0.5.3 (or a newer patch version) #22
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Hi @stusmall,
I found an issue with the linked_hash_map dependency on
<= v0.5.2
. linked-hash-map can panic due to the UB checks implemented in Rust 1.48 (rust-lang/rust#66151, as it uses std::mem::uninitialized:v0.5.3 fixes the issue (contain-rs/linked-hash-map#100). This PR adds a requirement on v0.5.3 (or a newer patch version).