Merge pull request #4 from tikv/kennytm/make-cache-size-test-only

update cache-size to 0.5.0

Cargo.toml

@@ -19,7 +19,7 @@ doc-comment = "0.3"
 walkdir = "2.2.9"
 pnet_datalink = "0.23.0"
 num_cpus = "1.11.1"
-cache-size = "0.4.0"
+cache-size = "0.5.0"
 
 [target.'cfg(windows)'.dependencies]
 winapi = { version = "0.3", features = ["fileapi", "handleapi", "ioapiset", "minwindef", "pdh", "psapi", "synchapi", "sysinfoapi", "tlhelp32", "winbase", "winerror", "winioctl", "winnt"] }