parking lot upgrade

Cargo.lock

@@ -2239,9 +2239,9 @@ dependencies = [
 
 [[package]]
 name = "parking_lot"
-version = "0.12.0"
+version = "0.12.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "87f5ec2493a61ac0506c0f4199f99070cbe83857b0337006a30f3e6719b8ef58"
+checksum = "3742b2c103b9f06bc9fff0a37ff4912935851bee6d36f3c02bcc755bcfec228f"
 dependencies = [
  "lock_api",
  "parking_lot_core 0.9.3",
@@ -3206,7 +3206,7 @@ checksum = "213494b7a2b503146286049378ce02b482200519accc31872ee8be91fa820a08"
 dependencies = [
  "new_debug_unreachable",
  "once_cell",
- "parking_lot 0.12.0",
+ "parking_lot 0.12.1",
  "phf_shared",
  "precomputed-hash",
 ]
@@ -3442,7 +3442,7 @@ dependencies = [
  "mio",
  "num_cpus",
  "once_cell",
- "parking_lot 0.12.0",
+ "parking_lot 0.12.1",
  "pin-project-lite",
  "signal-hook-registry",
  "socket2",
@@ -3650,7 +3650,7 @@ dependencies = [
  "ansi_term",
  "lazy_static",
  "matchers",
- "parking_lot 0.12.0",
+ "parking_lot 0.12.1",
  "regex",
  "sharded-slab",
  "smallvec",
@@ -3931,7 +3931,7 @@ dependencies = [
  "futures",
  "hashbrown 0.12.1",
  "linkedhashmap",
- "parking_lot 0.12.0",
+ "parking_lot 0.12.1",
  "proctitle",
  "redis-cell-client",
  "regex",

web3-proxy/Cargo.toml

@@ -21,7 +21,7 @@ hashbrown = "0.12.1"
 linkedhashmap = { path = "../linkedhashmap", features = ["inline-more"] }
 redis-cell-client = { path = "../redis-cell-client" }
 # TODO: parking_lot has an "arc_lock" feature that we might want to use
-parking_lot = { version = "0.12.0", features = ["deadlock_detection"] }
+parking_lot = { version = "0.12.1", features = ["deadlock_detection"] }
 proctitle = "0.1.1"
 # TODO: regex has several "perf" features that we might want to use
 regex = "1.5.6"