Upgrade Prometheus crate

Cargo.lock

@@ -318,7 +318,7 @@ dependencies = [
  "lru 0.1.10 (registry+https://github.com/rust-lang/crates.io-index)",
  "num_cpus 1.8.0 (registry+https://github.com/rust-lang/crates.io-index)",
  "page_size 0.4.1 (registry+https://github.com/rust-lang/crates.io-index)",
- "prometheus 0.4.2 (registry+https://github.com/rust-lang/crates.io-index)",
+ "prometheus 0.5.0 (registry+https://github.com/rust-lang/crates.io-index)",
  "rocksdb 0.11.0 (registry+https://github.com/rust-lang/crates.io-index)",
  "rust-crypto 0.2.36 (registry+https://github.com/rust-lang/crates.io-index)",
  "serde 1.0.80 (registry+https://github.com/rust-lang/crates.io-index)",
@@ -658,14 +658,14 @@ dependencies = [
 
 [[package]]
 name = "prometheus"
-version = "0.4.2"
+version = "0.5.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 dependencies = [
  "cfg-if 0.1.6 (registry+https://github.com/rust-lang/crates.io-index)",
  "fnv 1.0.6 (registry+https://github.com/rust-lang/crates.io-index)",
- "lazy_static 0.2.11 (registry+https://github.com/rust-lang/crates.io-index)",
+ "lazy_static 1.2.0 (registry+https://github.com/rust-lang/crates.io-index)",
  "protobuf 2.2.0 (registry+https://github.com/rust-lang/crates.io-index)",
- "quick-error 0.2.2 (registry+https://github.com/rust-lang/crates.io-index)",
+ "quick-error 1.2.2 (registry+https://github.com/rust-lang/crates.io-index)",
  "spin 0.4.10 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
@@ -674,11 +674,6 @@ name = "protobuf"
 version = "2.2.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 
-[[package]]
-name = "quick-error"
-version = "0.2.2"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-
 [[package]]
 name = "quick-error"
 version = "1.2.2"
@@ -1184,9 +1179,8 @@ dependencies = [
 "checksum percent-encoding 1.0.1 (registry+https://github.com/rust-lang/crates.io-index)" = "31010dd2e1ac33d5b46a5b413495239882813e0369f8ed8a5e266f173602f831"
 "checksum proc-macro2 0.3.5 (registry+https://github.com/rust-lang/crates.io-index)" = "77997c53ae6edd6d187fec07ec41b207063b5ee6f33680e9fa86d405cdd313d4"
 "checksum proc-macro2 0.4.24 (registry+https://github.com/rust-lang/crates.io-index)" = "77619697826f31a02ae974457af0b29b723e5619e113e9397b8b82c6bd253f09"
-"checksum prometheus 0.4.2 (registry+https://github.com/rust-lang/crates.io-index)" = "760293453bee1de0a12987422d7c4885f7ee933e4417bb828ed23f7d05c3c390"
+"checksum prometheus 0.5.0 (registry+https://github.com/rust-lang/crates.io-index)" = "48e3f33ff50a88c73ad8458fa6c22931aa7a6e19bb4a95d62816618c153b3f02"
 "checksum protobuf 2.2.0 (registry+https://github.com/rust-lang/crates.io-index)" = "cbd08d128db199b1c6bb662e343d7d1a8f6d0060b411675766d88e5146a4bb38"
-"checksum quick-error 0.2.2 (registry+https://github.com/rust-lang/crates.io-index)" = "7ac990ab4e038dd8481a5e3fd00641067fcfc674ad663f3222752ed5284e05d4"
 "checksum quick-error 1.2.2 (registry+https://github.com/rust-lang/crates.io-index)" = "9274b940887ce9addde99c4eee6b5c44cc494b182b97e73dc8ffdcb3397fd3f0"
 "checksum quote 0.5.2 (registry+https://github.com/rust-lang/crates.io-index)" = "9949cfe66888ffe1d53e6ec9d9f3b70714083854be20fd5e271b232a017401e8"
 "checksum quote 0.6.10 (registry+https://github.com/rust-lang/crates.io-index)" = "53fa22a1994bd0f9372d7a816207d8a2677ad0325b073f5c5332760f0fb62b5c"

Cargo.toml

@@ -28,7 +28,7 @@ log = "0.4"
 lru = "0.1"
 num_cpus = "1.0"
 page_size = "0.4"
-prometheus = "0.4"
+prometheus = "0.5"
 rocksdb = "0.11.0"
 rust-crypto = "0.2"
 serde = "1.0"