cleanup util dependencies

util/Cargo.toml

@@ -11,11 +11,8 @@ build = "build.rs"
 log = "0.3"
 env_logger = "0.4"
 rustc-hex = "1.0"
-rand = "0.3.12"
-time = "0.1.34"
 rocksdb = { git = "https://github.com/paritytech/rust-rocksdb" }
 eth-secp256k1 = { git = "https://github.com/paritytech/rust-secp256k1" }
-rust-crypto = "0.2.34"
 elastic-array = "0.9"
 rlp = { path = "rlp" }
 heapsize = "0.4"
@@ -23,11 +20,9 @@ hash = { path = "hash" }
 clippy = { version = "0.0.103", optional = true}
 ethcore-devtools = { path = "../devtools" }
 libc = "0.2.7"
-vergen = "0.1"
 target_info = "0.1"
 ethcore-bigint = { path = "bigint", features = ["heapsizeof"] }
 parking_lot = "0.4"
-ansi_term = "0.9"
 tiny-keccak= "1.0"
 ethcore-bloom-journal = { path = "bloom" }
 regex = "0.2"
@@ -41,5 +36,5 @@ dev = ["clippy"]
 final = []
 
 [build-dependencies]
-vergen = "*"
+vergen = "0.1"
 rustc_version = "0.1.0"

util/src/lib.rs

@@ -88,19 +88,15 @@
 //!   ```
 
 extern crate rustc_hex;
-extern crate rand;
 extern crate rocksdb;
 extern crate env_logger;
-extern crate crypto as rcrypto;
 extern crate secp256k1;
 extern crate elastic_array;
-extern crate time;
 extern crate ethcore_devtools as devtools;
 extern crate libc;
 extern crate target_info;
 extern crate ethcore_bigint as bigint;
 extern crate parking_lot;
-extern crate ansi_term;
 extern crate tiny_keccak;
 extern crate rlp;
 extern crate regex;

util/src/trie/standardmap.rs

@@ -15,8 +15,6 @@
 // along with Parity.  If not, see <http://www.gnu.org/licenses/>.
 
 //! Key-value datastore with a modified Merkle tree.
-extern crate rand;
-
 use keccak::keccak;
 use bytes::*;
 use bigint::hash::*;