Attempt at trybuild test

tests/Cargo.lock

@@ -14,6 +14,15 @@ version = "0.21.2"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "604178f6c5c21f02dc555784810edfb88d34ac2c73b2eae109655649ee73ce3d"
 
+[[package]]
+name = "basic-toml"
+version = "0.1.4"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "7bfc506e7a2370ec239e1d072507b2a80c833083699d3c6fa176fbb4de8448c6"
+dependencies = [
+ "serde",
+]
+
 [[package]]
 name = "bitflags"
 version = "1.3.2"
@@ -148,6 +157,12 @@ dependencies = [
  "pin-utils",
 ]
 
+[[package]]
+name = "glob"
+version = "0.3.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "d2fabcfbdc87f4758337ca535fb41a6d701b65693ce38287d856d1674551ec9b"
+
 [[package]]
 name = "h2"
 version = "0.3.14"
@@ -524,6 +539,7 @@ version = "0.1.0"
 dependencies = [
  "reqwest",
  "tikv-jemallocator",
+ "trybuild",
  "watto",
 ]
 
@@ -568,9 +584,20 @@ dependencies = [
 
 [[package]]
 name = "serde"
-version = "1.0.144"
+version = "1.0.185"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "0f747710de3dcd43b88c9168773254e809d8ddbdf9653b84e2554ab219f17860"
+checksum = "be9b6f69f1dfd54c3b568ffa45c310d6973a5e5148fd40cf515acaf38cf5bc31"
+
+[[package]]
+name = "serde_derive"
+version = "1.0.147"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "4f1d362ca8fc9c3e3a7484440752472d68a6caa98f1ab81d99b5dfe517cec852"
+dependencies = [
+ "proc-macro2",
+ "quote",
+ "syn",
+]
 
 [[package]]
 name = "serde_json"
@@ -639,6 +666,15 @@ dependencies = [
  "winapi",
 ]
 
+[[package]]
+name = "termcolor"
+version = "1.2.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "be55cf8942feac5c765c2c993422806843c9a9a45d4d5c407ad6dd2ea95eb9b6"
+dependencies = [
+ "winapi-util",
+]
+
 [[package]]
 name = "thiserror"
 version = "1.0.33"
@@ -767,6 +803,21 @@ version = "0.2.3"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "59547bce71d9c38b83d9c0e92b6066c4253371f15005def0c30d9657f50c7642"
 
+[[package]]
+name = "trybuild"
+version = "1.0.80"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "501dbdbb99861e4ab6b60eb6a7493956a9defb644fd034bc4a5ef27c693c8a3a"
+dependencies = [
+ "basic-toml",
+ "glob",
+ "once_cell",
+ "serde",
+ "serde_derive",
+ "serde_json",
+ "termcolor",
+]
+
 [[package]]
 name = "unicode-bidi"
 version = "0.3.8"
@@ -923,6 +974,15 @@ version = "0.4.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "ac3b87c63620426dd9b991e5ce0329eff545bccbbb34f3be09ff6fb6ab51b7b6"
 
+[[package]]
+name = "winapi-util"
+version = "0.1.5"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "70ec6ce85bb158151cae5e5c87f95a8e97d2c0c4b001223f33a334e3ce5de178"
+dependencies = [
+ "winapi",
+]
+
 [[package]]
 name = "winapi-x86_64-pc-windows-gnu"
 version = "0.4.0"

tests/Cargo.toml

@@ -9,5 +9,8 @@ edition = "2021"
 reqwest = "0.11.18"
 watto = { git = "https://github.com/getsentry/watto", rev = "d71c8218506bddba102a124a460d64da25e303dc", features = ["strings"] }
 
+[dev-dependencies]
+trybuild = "1"
+
 [target.'cfg(not(target_env = "msvc"))'.dependencies]
 tikv-jemallocator = "0.5.4"

tests/tests/trybuild.rs

@@ -0,0 +1,6 @@
+#[test]
+fn test_trybuild() {
+    let t = trybuild::TestCases::new();
+    t.pass("tests/trybuild/empty_main.rs");
+    t.compile_fail("tests/trybuild/fail_to_compile.rs");
+}

tests/tests/trybuild/empty_main.rs

@@ -0,0 +1 @@
+fn main() {}

tests/tests/trybuild/fail_to_compile.rs

@@ -0,0 +1,3 @@
+fn main() {
+    "foobar".foobar();
+}

tests/tests/trybuild/fail_to_compile.stderr

@@ -0,0 +1,5 @@
+error[E0599]: no method named `foobar` found for reference `&'static str` in the current scope
+ --> tests/trybuild/fail_to_compile.rs:2:14
+  |
+2 |     "foobar".foobar();
+  |              ^^^^^^ method not found in `&str`