Farmer optimizations #4809

Job	Run time
cargo-docs	6m 11s
cargo-docs	6m 11s
cargo-fmt	29s
cargo-fmt	29s
cargo-test (self-hosted, ubuntu-20.04-x86-64)	14m 49s
cargo-test (self-hosted, ubuntu-20.04-x86-64)	17m 45s
cargo-clippy (self-hosted, ubuntu-20.04-x86-64)	6m 9s
cargo-clippy (self-hosted, ubuntu-20.04-x86-64)	6m 9s
cargo-test (self-hosted, macos-14-arm64)	21m 2s
cargo-test (self-hosted, macos-14-arm64)	25m 56s
cargo-clippy (self-hosted, macos-14-arm64)	10m 14s
cargo-clippy (self-hosted, macos-14-arm64)	10m 14s
cargo-test (self-hosted, windows-server-2022-x86-64)	20m 39s
cargo-test (self-hosted, windows-server-2022-x86-64)	20m 33s
cargo-clippy (self-hosted, windows-server-2022-x86-64)	8m 26s
cargo-clippy (self-hosted, windows-server-2022-x86-64)	8m 26s
	3h 3m 42s

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