Fix clippy lints #958

Job	Run time
Format	28s
Build ubuntu stable	46s
Build ubuntu nightly	44s
Build windows stable	2m 3s
Build windows nightly	1m 39s
Build macos stable	1m 25s
Build macos nightly	54s
Clippy ubuntu	37s
Clippy windows	50s
Clippy macos	53s
OTP 26 / Elixir 1.14 / Rust stable / OS macos	3m 16s
OTP 26 / Elixir 1.14 / Rust stable / OS ubuntu	2m 33s
OTP 26 / Elixir 1.14 / Rust nightly / OS macos	3m 24s
OTP 26 / Elixir 1.14 / Rust nightly / OS ubuntu	2m 18s
OTP 25 / Elixir 1.14 / Rust stable / OS macos	3m 28s
OTP 25 / Elixir 1.14 / Rust stable / OS windows	6m 21s
OTP 25 / Elixir 1.14 / Rust stable / OS ubuntu	2m 4s
OTP 25 / Elixir 1.14 / Rust nightly / OS macos	6m 1s
OTP 25 / Elixir 1.14 / Rust nightly / OS windows	4m 39s
OTP 25 / Elixir 1.14 / Rust nightly / OS ubuntu	1m 52s
OTP 24 / Elixir 1.13 / Rust stable / OS macos	6m 11s
OTP 24 / Elixir 1.13 / Rust stable / OS windows	5m 28s
OTP 24 / Elixir 1.13 / Rust stable / OS ubuntu	2m 11s
OTP 24 / Elixir 1.13 / Rust nightly / OS macos	3m 37s
OTP 24 / Elixir 1.13 / Rust nightly / OS windows	4m 35s
OTP 24 / Elixir 1.13 / Rust nightly / OS ubuntu	2m 7s
	1h 10m 24s

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