ntls: Convert WouldBlock to ConnectionFailed #1804

Job	Run time
Docs	20s
cargo-deny (aarch64-apple-ios)	21s
build_versions (stable)	8s
cargo-deny (aarch64-linux-android)	22s
Test	1m 26s
build_versions (beta)	19s
cargo-deny (i686-pc-windows-gnu)	19s
Lint	16s
Test (json)	44s
build_versions (1.61.0)	36s
cargo-deny (i686-pc-windows-msvc)	22s
Test (charset)	39s
cargo-deny (i686-unknown-linux-gnu)	21s
Test (cookies)	44s
cargo-deny (wasm32-unknown-unknown)	22s
Test (socks-proxy)	38s
cargo-deny (x86_64-apple-darwin)	20s
Test (native-certs)	38s
cargo-deny (x86_64-apple-ios)	21s
Test (gzip)	46s
cargo-deny (x86_64-pc-windows-gnu)	20s
Test (brotli)	39s
cargo-deny (x86_64-pc-windows-msvc)	19s
Test (http-crate)	39s
cargo-deny (x86_64-unknown-linux-gnu)	25s
Test (http-interop)	46s
cargo-deny (x86_64-unknown-redox)	21s
Test (http-crate http-interop)	39s
Test (tls)	43s
Test (tls, json)	42s
Test (tls, charset)	52s
Test (tls, cookies)	47s
Test (tls, socks-proxy)	41s
Test (tls, native-certs)	44s
Test (tls, gzip)	47s
Test (tls, brotli)	1m 12s
Test (tls, http-crate)	44s
Test (tls, http-interop)	46s
Test (tls, http-crate http-interop)	50s
Test (native-tls)	41s
Test (native-tls, json)	41s
Test (native-tls, charset)	48s
Test (native-tls, cookies)	43s
Test (native-tls, socks-proxy)	41s
Test (native-tls, native-certs)	42s
Test (native-tls, gzip)	52s
Test (native-tls, brotli)	45s
Test (native-tls, http-crate)	44s
Test (native-tls, http-interop)	42s
Test (native-tls, http-crate http-interop)	45s
	31m 2s

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