add thiserror dependency

Cargo.lock

@@ -359,6 +359,7 @@ dependencies = [
  "reqwest",
  "serde",
  "serde_json",
+ "thiserror",
  "tokio",
  "zip",
 ]
@@ -1135,6 +1136,26 @@ dependencies = [
  "winapi-util",
 ]
 
+[[package]]
+name = "thiserror"
+version = "1.0.61"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "c546c80d6be4bc6a00c0f01730c08df82eaa7a7a61f11d656526506112cc1709"
+dependencies = [
+ "thiserror-impl",
+]
+
+[[package]]
+name = "thiserror-impl"
+version = "1.0.61"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "46c3384250002a6d5af4d114f2845d37b57521033f30d5c3f46c4d70e1197533"
+dependencies = [
+ "proc-macro2",
+ "quote",
+ "syn",
+]
+
 [[package]]
 name = "time"
 version = "0.3.21"

Cargo.toml

@@ -21,6 +21,7 @@ zip = { version = "0.6.3", optional = true }
 mktemp = { version = "0.5.0", optional = true }
 rand = { version = "0.8.5", optional = true }
 port_scanner = {version = "0.1.5", optional = true}
+thiserror = "1.0.61"
 
 [features]
 embedded-server = ["zip", "mktemp", "rand", "port_scanner"]