diff --git a/rtiow/Cargo.lock b/rtiow/Cargo.lock
index 4cfb99e..43399f7 100644
--- a/rtiow/Cargo.lock
+++ b/rtiow/Cargo.lock
@@ -267,7 +267,7 @@ dependencies = [
  "num-traits",
  "serde",
  "serde_derive",
- "toml",
+ "toml 0.4.10",
 ]
 
 [[package]]
@@ -1892,6 +1892,15 @@ dependencies = [
  "version_check 0.1.5",
 ]
 
+[[package]]
+name = "nom8"
+version = "0.2.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "ae01545c9c7fc4486ab7debaf2aad7003ac19431791868fb2e8066df97fad2f8"
+dependencies = [
+ "memchr",
+]
+
 [[package]]
 name = "num-derive"
 version = "0.2.5"
@@ -2784,6 +2793,15 @@ dependencies = [
  "serde",
 ]
 
+[[package]]
+name = "serde_spanned"
+version = "0.6.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "0efd8caf556a6cebd3b285caf480045fcc1ac04f6bd786b09a6f11af30c4fcf4"
+dependencies = [
+ "serde",
+]
+
 [[package]]
 name = "serde_urlencoded"
 version = "0.5.5"
@@ -3409,6 +3427,40 @@ dependencies = [
  "serde",
 ]
 
+[[package]]
+name = "toml"
+version = "0.7.2"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "f7afcae9e3f0fe2c370fd4657108972cbb2fa9db1b9f84849cefd80741b01cb6"
+dependencies = [
+ "serde",
+ "serde_spanned",
+ "toml_datetime",
+ "toml_edit",
+]
+
+[[package]]
+name = "toml_datetime"
+version = "0.6.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "3ab8ed2edee10b50132aed5f331333428b011c99402b5a534154ed15746f9622"
+dependencies = [
+ "serde",
+]
+
+[[package]]
+name = "toml_edit"
+version = "0.19.3"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "5e6a7712b49e1775fb9a7b998de6635b299237f48b404dde71704f2e0e7f37e5"
+dependencies = [
+ "indexmap",
+ "nom8",
+ "serde",
+ "serde_spanned",
+ "toml_datetime",
+]
+
 [[package]]
 name = "tower-service"
 version = "0.1.0"
@@ -3422,11 +3474,13 @@ dependencies = [
 name = "tracer"
 version = "0.1.0"
 dependencies = [
+ "anyhow",
  "log 0.4.17",
  "renderer",
  "stderrlog",
  "structopt 0.2.18",
  "strum",
+ "toml 0.7.2",
 ]
 
 [[package]]
diff --git a/rtiow/Cargo.toml b/rtiow/Cargo.toml
index 49f1600..eb52dcc 100644
--- a/rtiow/Cargo.toml
+++ b/rtiow/Cargo.toml
@@ -10,3 +10,5 @@ members = [
 [profile.release]
 debug = true
 
+[profile.dev]
+opt-level = 3