message: rafs: Use Caret to specify dependency versions.
diff: @@ -9,8 +9,8 @@ license = "Apache-2.0 OR BSD-3-Clause"
  anyhow = "1.0.35"
  # pin arc-swap because 1.x version of ArcSwapAny does not implement Clone
  arc-swap = "=0.4"
  -base64 = { version = ">=0.12.0", optional = true }
  -bitflags = ">=1.1.0"
  +base64 = { version = "0.13.0", optional = true }
  +bitflags = "1.2.1"
  blake3 = "1.0"
  flate2 = { version = "1.0", features = ["miniz-sys"], default-features = false }
  futures = "0.3"
  @@ -19,9 +19,9 @@ lazy_static = "1.4.0"
  libc = "0.2"
  log = "0.4"
  lz4-sys = "1.9.2"
  -nix = ">=0.23.0"
  -serde = { version = ">=1.0.27", features = ["serde_derive", "rc"] }
  -serde_json = ">=1.0.9"
  +nix = "0.23.1"
  +serde = { version = "1.0.110", features = ["serde_derive", "rc"] }
  +serde_json = "1.0.53"
  serde_with = { version = "1.6.0", features = ["macros"] }
  sha2 = { version = "0.9.1" }
  sha-1 = { version = "0.9.1", optional = true }
  @@ -35,7 +35,7 @@ nydus-error = { path = "../error" }
  storage = { path = "../storage", features = ["backend-localfs"] }
  [dev-dependencies]
  -vmm-sys-util = ">=0.9.0"
  +vmm-sys-util = "0.9.0"
  assert_matches = "1.5.0"
  [features]
  