Rust 2018

Cargo.toml

@@ -6,6 +6,7 @@ repository = "https://github.com/r-darwish/topgrade"
 version = "1.1.0"
 authors = ["Roey Darwish Dror <roey.ghost@gmail.com>"]
 exclude = ["doc/screenshot.gif"]
+edition = "2018"
 
 [dependencies]
 directories = "1.0.2"
@@ -14,14 +15,14 @@ failure_derive = "0.1.3"
 serde = "1.0.82"
 serde_derive = "1.0.82"
 toml = "0.4.10"
-which = "2.0.1"
+which_crate = { version = "2.0.1", package =  "which" }
 shellexpand = "1.0.0"
 structopt = "0.2.14"
 log = "0.4.6"
 env_logger = "0.6.0"
 walkdir = "2.2.7"
 console = "0.7.1"
-self_update = { version = "0.5.0", optional = true }
+self_update_crate = { version = "0.5.0", optional = true, package =  "self_update" }
 lazy_static = "1.2.0"
 
 [target.'cfg(unix)'.dependencies]
@@ -33,4 +34,4 @@ lto = true
 [features]
 default = []
 
-self-update = ["self_update"]
+self-update = ["self_update_crate"]