/Users/zonyitoo/Projects/shadowsocks-rust/src/crypto/cipher.rs:179:11: 179:17 error: cannot infer an appropriate lifetime due to conflicting requirements /Users/zonyitoo/Projects/shadowsocks-rust/src/crypto/cipher.rs:179 match method { ^~~~~~ /Users/zonyitoo/Projects/shadowsocks-rust/src/crypto/cipher.rs:178:69: 246:2 note: first, the lifetime cannot outlive the anonymous lifetime #1 defined on the block at 178:68... /Users/zonyitoo/Projects/shadowsocks-rust/src/crypto/cipher.rs:178 pub fn with_name(method: &str, key: &[u8]) -> Option<CipherVariant> { /Users/zonyitoo/Projects/shadowsocks-rust/src/crypto/cipher.rs:179 match method { /Users/zonyitoo/Projects/shadowsocks-rust/src/crypto/cipher.rs:180 #[cfg(feature="cipher-aes-cfb")] /Users/zonyitoo/Projects/shadowsocks-rust/src/crypto/cipher.rs:181 CIPHER_AES_128_CFB => Some(OpenSSLCrypto(openssl::OpenSSLCipher::new(CipherTypeAes128Cfb, key))), /Users/zonyitoo/Projects/shadowsocks-rust/src/crypto/cipher.rs:182 #[cfg(feature="cipher-aes-cfb")] /Users/zonyitoo/Projects/shadowsocks-rust/src/crypto/cipher.rs:183 CIPHER_AES_128_CFB_1 => Some(OpenSSLCrypto(openssl::OpenSSLCipher::new(CipherTypeAes128Cfb1, key))), ... /Users/zonyitoo/Projects/shadowsocks-rust/src/crypto/cipher.rs:179:11: 179:17 note: ...so that types are compatible (expected `&str`, found `&str`) /Users/zonyitoo/Projects/shadowsocks-rust/src/crypto/cipher.rs:179 match method { ^~~~~~ note: but, the lifetime must be valid for the static lifetime... /Users/zonyitoo/Projects/shadowsocks-rust/src/crypto/cipher.rs:238:9: 238:23 note: ...so that types are compatible (expected `&str`, found `&'static str`) /Users/zonyitoo/Projects/shadowsocks-rust/src/crypto/cipher.rs:238 CIPHER_RC2_CFB => Some(OpenSSLCrypto(openssl::OpenSSLCipher::new(CipherTypeRc2Cfb, key))), ^~~~~~~~~~~~~~ error: aborting due to previous error