feat(all): Update env_logger to 0.5

lettre/Cargo.toml

@@ -28,7 +28,7 @@ serde_json = { version = "^1.0", optional = true }
 serde_derive = { version = "^1.0", optional = true }
 
 [dev-dependencies]
-env_logger = "^0.4"
+env_logger = "^0.5"
 
 [features]
 default = ["file-transport", "crammd5-auth", "smtp-transport", "sendmail-transport"]

lettre/examples/smtp.rs

@@ -4,7 +4,7 @@ extern crate lettre;
 use lettre::{EmailAddress, EmailTransport, SimpleSendableEmail, SmtpTransport};
 
 fn main() {
-    env_logger::init().unwrap();
+    env_logger::init();
 
     let email = SimpleSendableEmail::new(EmailAddress::new("user@localhost".to_string()),
                                          vec![EmailAddress::new("root@localhost".to_string())],

lettre_email/Cargo.toml

@@ -15,7 +15,6 @@ keywords = ["email", "mailer"]
 travis-ci = { repository = "lettre/lettre_email" }
 
 [dev-dependencies]
-env_logger = "^0.4"
 lettre = { version = "^0.8", path = "../lettre", features = ["smtp-transport"] }
 
 [dependencies]