Remove the ansi_term transitive dependency (#4822)

Only used during tests but this resolves #4742 by slimming the
dependency tree.

Cargo.lock

@@ -78,15 +78,6 @@ version = "0.0.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "ec8ad6edb4840b78c5c3d88de606b22252d552b55f3a4699fbb10fc070ec3049"
 
-[[package]]
-name = "ansi_term"
-version = "0.12.1"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "d52a9bb7ec0cf484c551830a7ce27bd20d67eac647e1befb56b0be4ee39a55d2"
-dependencies = [
- "winapi",
-]
-
 [[package]]
 name = "anyhow"
 version = "1.0.57"
@@ -2985,29 +2976,15 @@ dependencies = [
  "valuable",
 ]
 
-[[package]]
-name = "tracing-log"
-version = "0.1.3"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "78ddad33d2d10b1ed7eb9d1f518a5674713876e97e5bb9b7345a7984fbb4f922"
-dependencies = [
- "lazy_static",
- "log",
- "tracing-core",
-]
-
 [[package]]
 name = "tracing-subscriber"
 version = "0.3.11"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "4bc28f93baff38037f64e6f43d34cfa1605f27a49c34e8a04c5e78b0babf2596"
 dependencies = [
- "ansi_term",
  "sharded-slab",
- "smallvec",
  "thread_local",
  "tracing-core",
- "tracing-log",
 ]
 
 [[package]]
@@ -3475,7 +3452,6 @@ dependencies = [
  "tempfile",
  "test-programs",
  "tokio",
- "tracing-subscriber",
  "wasmtime",
  "wasmtime-cache",
  "wasmtime-cli-flags",

Cargo.toml

@@ -50,7 +50,6 @@ tempfile = "3.1.0"
 test-programs = { path = "crates/test-programs" }
 wasmtime-runtime = { path = "crates/runtime" }
 tokio = { version = "1.8.0", features = ["rt", "time", "macros", "rt-multi-thread"] }
-tracing-subscriber = "0.3.1"
 wast = "46.0.0"
 criterion = "0.3.4"
 num_cpus = "1.13.0"

crates/wiggle/test-helpers/Cargo.toml

@@ -18,7 +18,7 @@ wiggle = { path = "..", features = ["tracing_log"] }
 [dev-dependencies]
 thiserror = "1.0"
 tracing = "0.1.26"
-tracing-subscriber = "0.3.1"
+tracing-subscriber = { version = "0.3.1", default-features = false, features = ['fmt'] }
 env_logger = "0.9"
 
 [badges]

supply-chain/config.toml

@@ -42,10 +42,6 @@ criteria = "safe-to-deploy"
 version = "0.0.1"
 criteria = "safe-to-deploy"
 
-[[exemptions.ansi_term]]
-version = "0.12.1"
-criteria = "safe-to-run"
-
 [[exemptions.anyhow]]
 version = "1.0.57"
 criteria = "safe-to-deploy"
@@ -1046,10 +1042,6 @@ criteria = "safe-to-deploy"
 version = "0.1.28"
 criteria = "safe-to-deploy"
 
-[[exemptions.tracing-log]]
-version = "0.1.3"
-criteria = "safe-to-run"
-
 [[exemptions.tracing-subscriber]]
 version = "0.3.11"
 criteria = "safe-to-run"