key contains no private key while using ecc key

[benzwt]

Version warp v0.3.6

Platform Linux Office 6.5.0-14-generic #14~22.04.1-Ubuntu SMP PREEMPT_DYNAMIC Mon Nov 20 18:15:30 UTC 2 x86_64 x86_64 x86_64 GNU/Linux

Description

[short summary of the bug] I ran the tls.rs example. Things were fine for rsa key. While using ecc key which came with the examples, I got

error binding to 127.0.0.1:3030: key contains no private 

[code sample that causes the bug]

• examples/tls.rs

I expected to see this happen: [explanation]

• the server should start and serving

Instead, this happened: [explanation] I got

thread 'main' panicked at /home/benzene/.cargo/registry/src/index.crates.io-6f17d22bba15001f/warp-0.3.6/src/server.rs:550:27:
error binding to 127.0.0.1:3030: key contains no private key
note: run with `RUST_BACKTRACE=1` environment variable to display a backtrace

full backtrace log