Clarify error further #2778

Job	Run time
Lint	34s
Test	1m 0s
Docs	1m 51s
Test (charset)	1m 1s
build_versions (stable)	17s
Test (cookies)	1m 17s
build_versions (beta)	16s
Test	59s
Test (socks-proxy)	1m 0s
build_versions (1.71.1)	16s
cargo-deny (aarch64-apple-ios)	19s
Test (gzip)	1m 1s
cargo-deny (aarch64-linux-android)	18s
Test (brotli)	1m 1s
Test (charset)	52s
cargo-deny (i686-pc-windows-gnu)	18s
Test (json)	1m 0s
cargo-deny (i686-pc-windows-msvc)	20s
Test (native-tls)	1m 5s
Test (cookies)	1m 10s
cargo-deny (i686-unknown-linux-gnu)	18s
Test (socks-proxy)	53s
cargo-deny (wasm32-unknown-unknown)	19s
cargo-deny (x86_64-apple-darwin)	20s
Test (gzip)	53s
cargo-deny (x86_64-apple-ios)	21s
Test (brotli)	50s
cargo-deny (x86_64-pc-windows-gnu)	18s
Test (json)	52s
cargo-deny (x86_64-pc-windows-msvc)	18s
Test (native-tls)	57s
cargo-deny (x86_64-unknown-linux-gnu)	20s
cargo-deny (x86_64-unknown-redox)	21s
Test (rustls-no-provider)	55s
	23m 50s

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