---

yaml
---
r: 271919
b: refs/heads/master
c: e1d2eda
h: refs/heads/master
i:
  271917: ffd4922
  271915: d637f7e
  271911: 1dc0e5d
  271903: 3d2f00d

Author: respeccing

[refs]

@@ -1,5 +1,5 @@
 ---
-refs/heads/master: 211c35afcbb7842f6f9d7fa45cee4cd192e4bfe6
+refs/heads/master: e1d2eda7f3ed8999853c8b4424e7a81a88f97d2a
 refs/heads/snap-stage3: 235d77457d80b549dad3ac36d94f235208a1eafb
 refs/heads/try: 49312a405e14a449b98fe0056b12a40ac128be4a
 refs/tags/release-0.1: 1f5c5126e96c79d22cb7862f75304136e204f105

trunk/CONTRIBUTING.md

@@ -71,7 +71,8 @@ which includes important information about what platform you're on, what
 version of Rust you're using, etc.
 
 Sometimes, a backtrace is helpful, and so including that is nice. To get
-a backtrace, set the `RUST_BACKTRACE` environment variable. The easiest way
+a backtrace, set the `RUST_BACKTRACE` environment variable to a value
+other than `0`. The easiest way
 to do this is to invoke `rustc` like this:
 
 ```bash

trunk/README.md

@@ -177,11 +177,10 @@ To contribute to Rust, please see [CONTRIBUTING](CONTRIBUTING.md).
 Rust has an [IRC] culture and most real-time collaboration happens in a
 variety of channels on Mozilla's IRC network, irc.mozilla.org. The
 most popular channel is [#rust], a venue for general discussion about
-Rust. And a good place to ask for help would be [#rust-beginners].
+Rust, and a good place to ask for help.
 
 [IRC]: https://en.wikipedia.org/wiki/Internet_Relay_Chat
 [#rust]: irc://irc.mozilla.org/rust
-[#rust-beginners]: irc://irc.mozilla.org/rust-beginners
 
 ## License
 

trunk/man/rustc.1

@@ -268,15 +268,15 @@ the maximum number of threads used for this purpose.
 
 .TP
 \fBRUST_TEST_NOCAPTURE\fR
-A synonym for the --nocapture flag.
+If set to a value other than "0", a synonym for the --nocapture flag.
 
 .TP
 \fBRUST_MIN_STACK\fR
 Sets the minimum stack size for new threads.
 
 .TP
 \fBRUST_BACKTRACE\fR
-If set, produces a backtrace in the output of a program which panics.
+If set to a value different than "0", produces a backtrace in the output of a program which panics.
 
 .SH "EXAMPLES"
 To build an executable from a source file with a main function:

trunk/src/bootstrap/build/compile.rs

@@ -123,38 +123,6 @@ fn build_startup_objects(build: &Build, target: &str, into: &Path) {
     }
 }
 
-/// Build libtest.
-///
-/// This will build libtest and supporting libraries for a particular stage of
-/// the build using the `compiler` targeting the `target` architecture. The
-/// artifacts created will also be linked into the sysroot directory.
-pub fn test<'a>(build: &'a Build, target: &str, compiler: &Compiler<'a>) {
-    println!("Building stage{} test artifacts ({} -> {})", compiler.stage,
-             compiler.host, target);
-    let out_dir = build.cargo_out(compiler, Mode::Libtest, target);
-    build.clear_if_dirty(&out_dir, &libstd_shim(build, compiler, target));
-    let mut cargo = build.cargo(compiler, Mode::Libtest, target, "build");
-    cargo.arg("--manifest-path")
-         .arg(build.src.join("src/rustc/test_shim/Cargo.toml"));
-    build.run(&mut cargo);
-    test_link(build, target, compiler, compiler.host);
-}
-
-/// Link all libtest rlibs/dylibs into the sysroot location.
-///
-/// Links those artifacts generated in the given `stage` for `target` produced
-/// by `compiler` into `host`'s sysroot.
-pub fn test_link(build: &Build,
-                 target: &str,
-                 compiler: &Compiler,
-                 host: &str) {
-    let target_compiler = Compiler::new(compiler.stage, host);
-    let libdir = build.sysroot_libdir(&target_compiler, target);
-    let out_dir = build.cargo_out(compiler, Mode::Libtest, target);
-    add_to_sysroot(&out_dir, &libdir);
-}
-
-
 /// Build the compiler.
 ///
 /// This will build the compiler for a particular stage of the build using
@@ -165,7 +133,7 @@ pub fn rustc<'a>(build: &'a Build, target: &str, compiler: &Compiler<'a>) {
              compiler.stage, compiler.host, target);
 
     let out_dir = build.cargo_out(compiler, Mode::Librustc, target);
-    build.clear_if_dirty(&out_dir, &libtest_shim(build, compiler, target));
+    build.clear_if_dirty(&out_dir, &libstd_shim(build, compiler, target));
 
     let mut cargo = build.cargo(compiler, Mode::Librustc, target, "build");
     cargo.arg("--features").arg(build.rustc_features())
@@ -234,12 +202,6 @@ fn libstd_shim(build: &Build, compiler: &Compiler, target: &str) -> PathBuf {
     build.cargo_out(compiler, Mode::Libstd, target).join("libstd_shim.rlib")
 }
 
-/// Cargo's output path for libtest in a given stage, compiled by a particular
-/// compiler for the specified target.
-fn libtest_shim(build: &Build, compiler: &Compiler, target: &str) -> PathBuf {
-    build.cargo_out(compiler, Mode::Libtest, target).join("libtest_shim.rlib")
-}
-
 fn compiler_file(compiler: &Path, file: &str) -> String {
     output(Command::new(compiler)
                    .arg(format!("-print-file-name={}", file))).trim().to_string()

trunk/src/bootstrap/build/doc.rs

@@ -122,22 +122,6 @@ pub fn std(build: &Build, stage: u32, host: &str, out: &Path) {
     cp_r(&out_dir, out)
 }
 
-pub fn test(build: &Build, stage: u32, host: &str, out: &Path) {
-    println!("Documenting stage{} test ({})", stage, host);
-    let compiler = Compiler::new(stage, host);
-    let out_dir = build.stage_out(&compiler, Mode::Libtest)
-                       .join(host).join("doc");
-    let rustdoc = build.rustdoc(&compiler);
-
-    build.clear_if_dirty(&out_dir, &rustdoc);
-
-    let mut cargo = build.cargo(&compiler, Mode::Libtest, host, "doc");
-    cargo.arg("--manifest-path")
-         .arg(build.src.join("src/rustc/test_shim/Cargo.toml"));
-    build.run(&mut cargo);
-    cp_r(&out_dir, out)
-}
-
 pub fn rustc(build: &Build, stage: u32, host: &str, out: &Path) {
     println!("Documenting stage{} compiler ({})", stage, host);
     let compiler = Compiler::new(stage, host);

trunk/src/bootstrap/build/mod.rs

@@ -88,7 +88,6 @@ pub struct Build {
 
 pub enum Mode {
     Libstd,
-    Libtest,
     Librustc,
     Tool,
 }
@@ -142,13 +141,9 @@ impl Build {
             return clean::clean(self);
         }
 
-        self.verbose("finding compilers");
         cc::find(self);
-        self.verbose("running sanity check");
         sanity::check(self);
-        self.verbose("collecting channel variables");
         channel::collect(self);
-        self.verbose("updating submodules");
         self.update_submodules();
 
         for target in step::all(self) {
@@ -163,18 +158,12 @@ impl Build {
                 Libstd { compiler } => {
                     compile::std(self, target.target, &compiler);
                 }
-                Libtest { compiler } => {
-                    compile::test(self, target.target, &compiler);
-                }
                 Librustc { compiler } => {
                     compile::rustc(self, target.target, &compiler);
                 }
                 LibstdLink { compiler, host } => {
                     compile::std_link(self, target.target, &compiler, host);
                 }
-                LibtestLink { compiler, host } => {
-                    compile::test_link(self, target.target, &compiler, host);
-                }
                 LibrustcLink { compiler, host } => {
                     compile::rustc_link(self, target.target, &compiler, host);
                 }
@@ -214,9 +203,6 @@ impl Build {
                 DocStd { stage } => {
                     doc::std(self, stage, target.target, &doc_out);
                 }
-                DocTest { stage } => {
-                    doc::test(self, stage, target.target, &doc_out);
-                }
                 DocRustc { stage } => {
                     doc::rustc(self, stage, target.target, &doc_out);
                 }
@@ -374,7 +360,6 @@ impl Build {
         let host = compiler.host;
         let paths = vec![
             self.cargo_out(compiler, Mode::Libstd, host).join("deps"),
-            self.cargo_out(compiler, Mode::Libtest, host).join("deps"),
             self.cargo_out(compiler, Mode::Librustc, host).join("deps"),
         ];
         add_lib_path(paths, &mut cmd);
@@ -429,8 +414,7 @@ impl Build {
     fn stage_out(&self, compiler: &Compiler, mode: Mode) -> PathBuf {
         let suffix = match mode {
             Mode::Libstd => "-std",
-            Mode::Libtest => "-test",
-            Mode::Tool | Mode::Librustc => "-rustc",
+            _ => "-rustc",
         };
         self.out.join(compiler.host)
                 .join(format!("stage{}{}", compiler.stage, suffix))

trunk/src/bootstrap/build/step.rs

@@ -25,22 +25,19 @@ macro_rules! targets {
             // compiler executable itself, not any of the support libraries
             (rustc, Rustc { stage: u32 }),
 
-            // Steps for the two main cargo builds. These are parameterized over
-            // the compiler which is producing the artifact.
+            // Steps for the two main cargo builds, one for the standard library
+            // and one for the compiler itself. These are parameterized over the
+            // stage output they're going to be placed in along with the
+            // compiler which is producing the copy of libstd or librustc
             (libstd, Libstd { compiler: Compiler<'a> }),
-            (libtest, Libtest { compiler: Compiler<'a> }),
             (librustc, Librustc { compiler: Compiler<'a> }),
 
-            // Links the target produced by the compiler provided into the
-            // host's directory also provided.
+            // Links the standard library/librustc produced by the compiler
+            // provided into the host's directory also provided.
             (libstd_link, LibstdLink {
                 compiler: Compiler<'a>,
                 host: &'a str
             }),
-            (libtest_link, LibtestLink {
-                compiler: Compiler<'a>,
-                host: &'a str
-            }),
             (librustc_link, LibrustcLink {
                 compiler: Compiler<'a>,
                 host: &'a str
@@ -70,7 +67,6 @@ macro_rules! targets {
             (doc_style, DocStyle { stage: u32 }),
             (doc_standalone, DocStandalone { stage: u32 }),
             (doc_std, DocStd { stage: u32 }),
-            (doc_test, DocTest { stage: u32 }),
             (doc_rustc, DocRustc { stage: u32 }),
             (doc_error_index, DocErrorIndex { stage: u32 }),
 
@@ -166,10 +162,10 @@ fn top_level(build: &Build) -> Vec<Step> {
 
                 if host.target == build.config.build {
                     targets.push(host.target(target)
-                                     .libtest(host.compiler(stage)));
+                                     .libstd(host.compiler(stage)));
                 } else {
                     targets.push(host.target(target)
-                                     .libtest_link(t.compiler(stage), host.target));
+                                     .libstd_link(t.compiler(stage), host.target));
                 }
             }
         }
@@ -250,21 +246,15 @@ impl<'a> Step<'a> {
                 vec![self.librustc(compiler)]
             }
             Source::Librustc { compiler } => {
-                vec![self.libtest(compiler), self.llvm(())]
-            }
-            Source::Libtest { compiler } => {
-                vec![self.libstd(compiler)]
+                vec![self.libstd(compiler), self.llvm(())]
             }
             Source::Libstd { compiler } => {
                 vec![self.compiler_rt(()),
                      self.rustc(compiler.stage).target(compiler.host)]
             }
             Source::LibrustcLink { compiler, host } => {
                 vec![self.librustc(compiler),
-                     self.libtest_link(compiler, host)]
-            }
-            Source::LibtestLink { compiler, host } => {
-                vec![self.libtest(compiler), self.libstd_link(compiler, host)]
+                     self.libstd_link(compiler, host)]
             }
             Source::LibstdLink { compiler, host } => {
                 vec![self.libstd(compiler),
@@ -277,9 +267,6 @@ impl<'a> Step<'a> {
             Source::DocStd { stage } => {
                 vec![self.libstd(self.compiler(stage))]
             }
-            Source::DocTest { stage } => {
-                vec![self.libtest(self.compiler(stage))]
-            }
             Source::DocBook { stage } |
             Source::DocNomicon { stage } |
             Source::DocStyle { stage } => {
@@ -292,7 +279,7 @@ impl<'a> Step<'a> {
                 vec![self.rustc(stage)]
             }
             Source::DocRustc { stage } => {
-                vec![self.doc_test(stage)]
+                vec![self.doc_std(stage)]
             }
             Source::Doc { stage } => {
                 vec![self.doc_book(stage), self.doc_nomicon(stage),
@@ -328,7 +315,7 @@ impl<'a> Step<'a> {
                 vec![self.rustc(stage)]
             }
             Source::DistStd { compiler } => {
-                vec![self.libtest(compiler)]
+                vec![self.libstd(compiler)]
             }
 
             Source::Dist { stage } => {

trunk/src/compiletest/compiletest.rs

@@ -263,7 +263,10 @@ pub fn test_opts(config: &Config) -> test::TestOpts {
         logfile: config.logfile.clone(),
         run_tests: true,
         bench_benchmarks: true,
-        nocapture: env::var("RUST_TEST_NOCAPTURE").is_ok(),
+        nocapture: match env::var("RUST_TEST_NOCAPTURE") {
+            Ok(val) => &val != "0",
+            Err(_) => false
+        },
         color: test::AutoColor,
     }
 }

trunk/src/doc/book/functions.md

@@ -246,6 +246,19 @@ stack backtrace:
   13:                0x0 - <unknown>
 ```
 
+If you need to override an already set `RUST_BACKTRACE`, 
+in cases when you cannot just unset the variable, 
+then set it to `0` to avoid getting a backtrace. 
+Any other value(even no value at all) turns on backtrace.
+
+```text
+$ export RUST_BACKTRACE=1
+...
+$ RUST_BACKTRACE=0 ./diverges 
+thread '<main>' panicked at 'This function never returns!', hello.rs:2
+note: Run with `RUST_BACKTRACE=1` for a backtrace.
+```
+
 `RUST_BACKTRACE` also works with Cargo’s `run` command:
 
 ```text

trunk/src/doc/book/getting-started.md

@@ -164,15 +164,13 @@ installed. Doing so will depend on your specific system, consult its
 documentation for more details.
 
 If not, there are a number of places where we can get help. The easiest is
-[the #rust-beginners IRC channel on irc.mozilla.org][irc-beginners] and for
-general discussion [the #rust IRC channel on irc.mozilla.org][irc], which we
-can access through [Mibbit][mibbit]. Then we'll be chatting with other
-Rustaceans (a silly nickname we call ourselves) who can help us out. Other great
-resources include [the user’s forum][users] and [Stack Overflow][stackoverflow].
+[the #rust IRC channel on irc.mozilla.org][irc], which we can access through
+[Mibbit][mibbit]. Click that link, and we'll be chatting with other Rustaceans
+(a silly nickname we call ourselves) who can help us out. Other great resources
+include [the user’s forum][users], and [Stack Overflow][stackoverflow].
 
-[irc-beginners]: irc://irc.mozilla.org/#rust-beginners
 [irc]: irc://irc.mozilla.org/#rust
-[mibbit]: http://chat.mibbit.com/?server=irc.mozilla.org&channel=%23rust-beginners,%23rust
+[mibbit]: http://chat.mibbit.com/?server=irc.mozilla.org&channel=%23rust
 [users]: https://users.rust-lang.org/
 [stackoverflow]: http://stackoverflow.com/questions/tagged/rust
 

trunk/src/doc/nomicon/vec.md

@@ -2,7 +2,7 @@
 
 To bring everything together, we're going to write `std::Vec` from scratch.
 Because all the best tools for writing unsafe code are unstable, this
-project will only work on nightly (as of Rust 1.9.0). With the exception of the
+project will only work on nightly (as of Rust 1.2.0). With the exception of the
 allocator API, much of the unstable code we'll use is expected to be stabilized
 in a similar form as it is today.
 

trunk/src/etc/tidy.py

@@ -31,7 +31,6 @@
     'src/libcore',
     'src/libstd',
     'src/rustc/std_shim',
-    'src/rustc/test_shim',
     'src/test'
 }