Auto merge of #4429 - ishitatsuyuki:test-purge, r=matklad

cargotest: purge deps

Blocking rust-lang/rust#42588.

Author: bors

Cargo.lock

@@ -7,19 +7,13 @@ authors = ["Alex Crichton <alex@alexcrichton.com>"]
 path = "lib.rs"
 
 [dependencies]
-bufstream = "0.1"
 cargo = { path = "../.." }
 filetime = "0.1"
 flate2 = "0.2"
 git2 = { version = "0.6", default-features = false }
 hamcrest = "=0.1.1"
 hex = "0.2"
-kernel32-sys = "0.2"
-libc = "0.2"
 log = "0.3"
-serde = "1.0"
 serde_json = "1.0"
 tar = { version = "0.4", default-features = false }
-tempdir = "0.3"
 url = "1.1"
-winapi = "0.2"

tests/cargotest/Cargo.toml

@@ -1,21 +1,15 @@
 #![deny(warnings)]
 
-extern crate bufstream;
 extern crate cargo;
 extern crate filetime;
 extern crate flate2;
 extern crate git2;
 extern crate hamcrest;
 extern crate hex;
-extern crate libc;
-extern crate serde;
 #[macro_use]
 extern crate serde_json;
 extern crate tar;
-extern crate tempdir;
 extern crate url;
-#[cfg(windows)] extern crate kernel32;
-#[cfg(windows)] extern crate winapi;
 
 use std::ffi::OsStr;
 use std::time::Duration;