testsuite: Require failing commands to check output.

tests/testsuite/alt_registry.rs

@@ -310,6 +310,7 @@ fn cannot_publish_to_crates_io_with_registry_dependency() {
         .arg(registry::registry().to_string())
         .masquerade_as_nightly_cargo()
         .with_status(101)
+        .with_stderr_contains("[ERROR] crates cannot be published to crates.io[..]")
         .run();
 }
 

tests/testsuite/build.rs

@@ -542,15 +542,19 @@ fn cargo_compile_with_invalid_code_in_deps() {
         .build();
     let _bar = project()
         .at("bar")
-        .file("Cargo.toml", &basic_bin_manifest("bar"))
+        .file("Cargo.toml", &basic_manifest("bar", "0.1.0"))
         .file("src/lib.rs", "invalid rust code!")
         .build();
     let _baz = project()
         .at("baz")
-        .file("Cargo.toml", &basic_bin_manifest("baz"))
+        .file("Cargo.toml", &basic_manifest("baz", "0.1.0"))
         .file("src/lib.rs", "invalid rust code!")
         .build();
-    p.cargo("build").with_status(101).run();
+    p.cargo("build")
+        .with_status(101)
+        .with_stderr_contains("[..]invalid rust code[..]")
+        .with_stderr_contains("[ERROR] Could not compile [..]")
+        .run();
 }
 
 #[test]
@@ -1266,7 +1270,10 @@ fn compile_offline_while_transitive_dep_not_cached() {
         .build();
 
     // simulate download bar, but fail to download baz
-    p.cargo("build").with_status(101).run();
+    p.cargo("build")
+        .with_status(101)
+        .with_stderr_contains("[..]failed to verify the checksum of `baz[..]")
+        .run();
 
     drop(File::create(baz_path).ok().unwrap().write_all(&content));
 
@@ -2169,7 +2176,10 @@ fn deletion_causes_failure() {
 
     p.cargo("build").run();
     p.change_file("Cargo.toml", &basic_manifest("foo", "0.0.1"));
-    p.cargo("build").with_status(101).run();
+    p.cargo("build")
+        .with_status(101)
+        .with_stderr_contains("[..]can't find crate for `bar`")
+        .run();
 }
 
 #[test]
@@ -2541,11 +2551,14 @@ fn bad_platform_specific_dependency() {
         .file("bar/Cargo.toml", &basic_manifest("bar", "0.5.0"))
         .file(
             "bar/src/lib.rs",
-            r#"extern crate baz; pub fn gimme() -> String { format!("") }"#,
+            r#"pub fn gimme() -> String { format!("") }"#,
         )
         .build();
 
-    p.cargo("build").with_status(101).run();
+    p.cargo("build")
+        .with_status(101)
+        .with_stderr_contains("[..]can't find crate for `bar`")
+        .run();
 }
 
 #[test]
@@ -2858,7 +2871,17 @@ fn dashes_in_crate_name_bad() {
         .file("src/main.rs", "extern crate foo_bar; fn main() {}")
         .build();
 
-    p.cargo("build -v").with_status(101).run();
+    p.cargo("build -v")
+        .with_status(101)
+        .with_stderr(
+            "\
+[ERROR] failed to parse manifest at `[..]/foo/Cargo.toml`
+
+Caused by:
+  library target names cannot contain hyphens: foo-bar
+",
+        )
+        .run();
 }
 
 #[test]
@@ -4513,7 +4536,17 @@ fn avoid_dev_deps() {
         .file("src/main.rs", "fn main() {}")
         .build();
 
-    p.cargo("build").with_status(101).run();
+    p.cargo("build")
+        .with_status(101)
+        .with_stderr(
+            "\
+[UPDATING] [..]
+[ERROR] no matching package named `baz` found
+location searched: registry `https://github.com/rust-lang/crates.io-index`
+required by package `bar v0.1.0 ([..]/foo)`
+",
+        )
+        .run();
     p.cargo("build -Zavoid-dev-deps")
         .masquerade_as_nightly_cargo()
         .run();

tests/testsuite/check.rs

@@ -61,7 +61,10 @@ fn check_fail() {
         .file("src/lib.rs", "pub fn baz() {}")
         .build();
 
-    foo.cargo("check").with_status(101).run();
+    foo.cargo("check")
+        .with_status(101)
+        .with_stderr_contains("[..]this function takes 0 parameters but 1 parameter was supplied")
+        .run();
 }
 
 #[test]
@@ -363,6 +366,9 @@ fn rustc_check_err() {
 
     foo.cargo("rustc --profile check -- --emit=metadata")
         .with_status(101)
+        .with_stderr_contains("[CHECKING] bar [..]")
+        .with_stderr_contains("[CHECKING] foo [..]")
+        .with_stderr_contains("[..]cannot find function `qux` in module `bar`")
         .run();
 }
 

tests/testsuite/features.rs

@@ -1171,7 +1171,10 @@ fn dep_feature_in_cmd_line() {
 
     // The foo project requires that feature "some-feat" in "bar" is enabled.
     // Building without any features enabled should fail:
-    p.cargo("build").with_status(101).run();
+    p.cargo("build")
+        .with_status(101)
+        .with_stderr_contains("[..]unresolved import `bar::test`")
+        .run();
 
     // We should be able to enable the feature "derived-feat", which enables "some-feat",
     // on the command line. The feature is enabled, thus building should be successful:

tests/testsuite/fix.rs

@@ -29,6 +29,7 @@ fn do_not_fix_broken_builds() {
     p.cargo("fix --allow-no-vcs")
         .env("__CARGO_FIX_YOLO", "1")
         .with_status(101)
+        .with_stderr_contains("[ERROR] Could not compile `foo`.")
         .run();
     assert!(p.read_file("src/lib.rs").contains("let mut x = 3;"));
 }
@@ -1247,6 +1248,7 @@ fn fix_to_broken_code() {
         .cwd(p.root().join("bar"))
         .env("RUSTC", p.root().join("foo/target/debug/foo"))
         .with_status(101)
+        .with_stderr_contains("[WARNING] failed to automatically apply fixes [..]")
         .run();
 
     assert_eq!(

tests/testsuite/freshness.rs

@@ -40,7 +40,10 @@ fn modifying_and_moving() {
         .run();
 
     fs::rename(&p.root().join("src/a.rs"), &p.root().join("src/b.rs")).unwrap();
-    p.cargo("build").with_status(101).run();
+    p.cargo("build")
+        .with_status(101)
+        .with_stderr_contains("[..]file not found[..]")
+        .run();
 }
 
 #[test]
@@ -513,7 +516,10 @@ fn rebuild_tests_if_lib_changes() {
     File::create(&p.root().join("src/lib.rs")).unwrap();
 
     p.cargo("build -v").run();
-    p.cargo("test -v").with_status(101).run();
+    p.cargo("test -v")
+        .with_status(101)
+        .with_stderr_contains("[..]cannot find function `foo`[..]")
+        .run();
 }
 
 #[test]

tests/testsuite/install.rs

@@ -1014,7 +1014,10 @@ fn dev_dependencies_no_check() {
         .file("src/main.rs", "fn main() {}")
         .build();
 
-    p.cargo("build").with_status(101).run();
+    p.cargo("build")
+        .with_status(101)
+        .with_stderr_contains("[..] no matching package named `baz` found")
+        .run();
     p.cargo("install").run();
 }
 

tests/testsuite/path.rs

@@ -138,7 +138,10 @@ fn cargo_compile_with_root_dev_deps() {
         )
         .build();
 
-    p.cargo("build").with_status(101).run();
+    p.cargo("build")
+        .with_status(101)
+        .with_stderr_contains("[..]can't find crate for `bar`")
+        .run();
 }
 
 #[test]

tests/testsuite/publish.rs

@@ -597,6 +597,10 @@ fn new_crate_rejected() {
     p.cargo("publish --index")
         .arg(publish::registry().to_string())
         .with_status(101)
+        .with_stderr_contains(
+            "[ERROR] 3 files in the working directory contain \
+             changes that were not yet committed into git:",
+        )
         .run();
 }
 

tests/testsuite/rename_deps.rs

@@ -228,7 +228,10 @@ fn rename_affects_fingerprint() {
         "#,
     );
 
-    p.cargo("build -v").with_status(101).run();
+    p.cargo("build -v")
+        .with_status(101)
+        .with_stderr_contains("[..]can't find crate for `foo`")
+        .run();
 }
 
 #[test]

tests/testsuite/rustdocflags.rs

@@ -35,6 +35,7 @@ fn bad_flags() {
     p.cargo("doc")
         .env("RUSTDOCFLAGS", "--bogus")
         .with_status(101)
+        .with_stderr_contains("[..]bogus[..]")
         .run();
 }