Add parsing and finding the failed derivation

Signed-off-by: Marcel Müller <neikos@neikos.email>

nix-json/Cargo.toml

@@ -6,6 +6,17 @@ license.workspace = true
 authors.workspace = true
 readme.workspace = true
 
+[[test]]
+name = "sample-logs"
+harness = false
+
 [dependencies]
 serde.workspace = true
 serde_json.workspace = true
+serde_repr.workspace = true
+thiserror = { workspace = true }
+displaydoc = { workspace = true }
+itertools = "0.14"
+
+[dev-dependencies]
+datatest-stable.workspace = true