use a pretty fmt

Cargo.lock

@@ -627,6 +627,16 @@ dependencies = [
  "tracing-subscriber",
 ]
 
+[[package]]
+name = "nu-ansi-term"
+version = "0.46.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "77a8165726e8236064dbb45459242600304b42a5ea24ee2948e18e023bf7ba84"
+dependencies = [
+ "overload",
+ "winapi",
+]
+
 [[package]]
 name = "num_cpus"
 version = "1.15.0"
@@ -649,6 +659,12 @@ version = "0.1.5"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "ff011a302c396a5197692431fc1948019154afc178baf7d8e37367442a4601cf"
 
+[[package]]
+name = "overload"
+version = "0.1.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "b15813163c1d831bf4a13c3610c05c0d03b39feb07f7e09fa234dac9b15aaf39"
+
 [[package]]
 name = "percent-encoding"
 version = "2.2.0"
@@ -1243,6 +1259,7 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "30a651bc37f915e81f087d86e62a18eec5f79550c7faff886f7090b4ea757c77"
 dependencies = [
  "matchers",
+ "nu-ansi-term",
  "once_cell",
  "regex",
  "sharded-slab",

nix-actions-cache/Cargo.toml

@@ -12,7 +12,7 @@ axum = { version = "0.6.18", default-features = false, features = ["json", "toki
 axum-macros = "0.3.7"
 clap = { version = "4.2.7", default-features = false, features = ["std", "derive", "error-context"] }
 tracing = "0.1.37"
-tracing-subscriber = { version = "0.3.17", default-features = false, features = ["env-filter", "fmt", "tracing-log", "smallvec"] }
+tracing-subscriber = { version = "0.3.17", default-features = false, features = ["ansi", "env-filter", "fmt", "tracing-log", "smallvec"] }
 tower-http = { version = "0.4.0", features = ["trace"] }
 serde = { version = "1.0.162", features = ["derive"] }
 serde_json = { version = "1.0.96", default-features = false }

nix-actions-cache/src/main.rs

@@ -182,7 +182,7 @@ fn init_logging() {
     });
 
     tracing_subscriber::fmt()
-        .without_time()
+        .pretty()
         .with_env_filter(filter)
         .init();
 }