Update from upstream

Author: Munksgaard

Cargo.toml

@@ -16,16 +16,19 @@ name = "compiletest_rs"
 
 [dependencies]
 diff = "0.1.10"
+env_logger = { version = "0.7", default-features = false }
 filetime = "0.2"
 getopts = "0.2"
 log = "0.4"
 regex = "1.0"
 tempfile = { version = "3.0", optional = true }
-serde = "1.0"
+serde = { version = "1.0", features = ["derive"] }
 serde_json = "1.0"
 serde_derive = "1.0"
 rustfix = "0.4.1"
 tester = { version = "0.5" }
+lazy_static = "1.0"
+walkdir = "2"
 
 [target."cfg(unix)".dependencies]
 libc = "0.2"