Auto merge of rust-lang#62723 - Mark-Simulacrum:rollup-vjdzlam, r=Mark-Simulacrum

Rollup of 6 pull requests

Successful merges:

 - rust-lang#62666 (Cancel unemitted diagnostics during error recovery)
 - rust-lang#62683 (Chapter for `param_attrs`)
 - rust-lang#62693 (ci: Remove Travis/AppVeyor configuration)
 - rust-lang#62702 (normalize use of backticks in compiler messages for libsyntax_ext)
 - rust-lang#62703 (normalize use of backticks in compiler messages for libsyntax/parse)
 - rust-lang#62722 (ci: Bump time limit of tools builder on PRs)

Failed merges:

r? @ghost

Author: bors

.azure-pipelines/pr.yml

@@ -21,6 +21,7 @@ jobs:
         IMAGE: mingw-check
 
 - job: LinuxTools
+  timeoutInMinutes: 600
   pool:
     vmImage: ubuntu-16.04
   steps:

.travis.yml

@@ -50,7 +50,6 @@ impl Step for Std {
         let mut cargo = builder.cargo(compiler, Mode::Std, target, cargo_subcommand(builder.kind));
         std_cargo(builder, &compiler, target, &mut cargo);
 
-        let _folder = builder.fold_output(|| format!("stage{}-std", compiler.stage));
         builder.info(&format!("Checking std artifacts ({} -> {})", &compiler.host, target));
         run_cargo(builder,
                   &mut cargo,
@@ -99,7 +98,6 @@ impl Step for Rustc {
             cargo_subcommand(builder.kind));
         rustc_cargo(builder, &mut cargo);
 
-        let _folder = builder.fold_output(|| format!("stage{}-rustc", compiler.stage));
         builder.info(&format!("Checking compiler artifacts ({} -> {})", &compiler.host, target));
         run_cargo(builder,
                   &mut cargo,
@@ -153,7 +151,6 @@ impl Step for CodegenBackend {
 
         // We won't build LLVM if it's not available, as it shouldn't affect `check`.
 
-        let _folder = builder.fold_output(|| format!("stage{}-rustc_codegen_llvm", compiler.stage));
         run_cargo(builder,
                   &mut cargo,
                   args(builder.kind),
@@ -190,7 +187,6 @@ impl Step for Test {
         let mut cargo = builder.cargo(compiler, Mode::Test, target, cargo_subcommand(builder.kind));
         test_cargo(builder, &compiler, target, &mut cargo);
 
-        let _folder = builder.fold_output(|| format!("stage{}-test", compiler.stage));
         builder.info(&format!("Checking test artifacts ({} -> {})", &compiler.host, target));
         run_cargo(builder,
                   &mut cargo,
@@ -239,7 +235,6 @@ impl Step for Rustdoc {
                                            SourceType::InTree,
                                            &[]);
 
-        let _folder = builder.fold_output(|| format!("stage{}-rustdoc", compiler.stage));
         println!("Checking rustdoc artifacts ({} -> {})", &compiler.host, target);
         run_cargo(builder,
                   &mut cargo,

appveyor.yml

@@ -95,7 +95,6 @@ impl Step for Std {
         let mut cargo = builder.cargo(compiler, Mode::Std, target, "build");
         std_cargo(builder, &compiler, target, &mut cargo);
 
-        let _folder = builder.fold_output(|| format!("stage{}-std", compiler.stage));
         builder.info(&format!("Building stage{} std artifacts ({} -> {})", compiler.stage,
                 &compiler.host, target));
         run_cargo(builder,
@@ -422,7 +421,6 @@ impl Step for Test {
         let mut cargo = builder.cargo(compiler, Mode::Test, target, "build");
         test_cargo(builder, &compiler, target, &mut cargo);
 
-        let _folder = builder.fold_output(|| format!("stage{}-test", compiler.stage));
         builder.info(&format!("Building stage{} test artifacts ({} -> {})", compiler.stage,
                 &compiler.host, target));
         run_cargo(builder,
@@ -555,7 +553,6 @@ impl Step for Rustc {
         let mut cargo = builder.cargo(compiler, Mode::Rustc, target, "build");
         rustc_cargo(builder, &mut cargo);
 
-        let _folder = builder.fold_output(|| format!("stage{}-rustc", compiler.stage));
         builder.info(&format!("Building stage{} compiler artifacts ({} -> {})",
                  compiler.stage, &compiler.host, target));
         run_cargo(builder,
@@ -710,7 +707,6 @@ impl Step for CodegenBackend {
 
         let tmp_stamp = out_dir.join(".tmp.stamp");
 
-        let _folder = builder.fold_output(|| format!("stage{}-rustc_codegen_llvm", compiler.stage));
         let files = run_cargo(builder,
                               cargo.arg("--features").arg(features),
                               vec![],

src/bootstrap/check.rs

@@ -128,7 +128,7 @@ use build_helper::{
 };
 use filetime::FileTime;
 
-use crate::util::{exe, libdir, OutputFolder, CiEnv};
+use crate::util::{exe, libdir, CiEnv};
 
 mod cc_detect;
 mod channel;
@@ -1092,19 +1092,6 @@ impl Build {
         }
     }
 
-    /// Fold the output of the commands after this method into a group. The fold
-    /// ends when the returned object is dropped. Folding can only be used in
-    /// the Travis CI environment.
-    pub fn fold_output<D, F>(&self, name: F) -> Option<OutputFolder>
-        where D: Into<String>, F: FnOnce() -> D
-    {
-        if !self.config.dry_run && self.ci_env == CiEnv::Travis {
-            Some(OutputFolder::new(name().into()))
-        } else {
-            None
-        }
-    }
-
     /// Updates the actual toolstate of a tool.
     ///
     /// The toolstates are saved to the file specified by the key

src/bootstrap/compile.rs

@@ -104,7 +104,6 @@ impl Step for Llvm {
             }
         }
 
-        let _folder = builder.fold_output(|| "llvm");
         let descriptor = if emscripten { "Emscripten " } else { "" };
         builder.info(&format!("Building {}LLVM for {}", descriptor, target));
         let _time = util::timeit(&builder);
@@ -493,7 +492,6 @@ impl Step for Lld {
             return out_dir
         }
 
-        let _folder = builder.fold_output(|| "lld");
         builder.info(&format!("Building LLD for {}", target));
         let _time = util::timeit(&builder);
         t!(fs::create_dir_all(&out_dir));
@@ -560,7 +558,6 @@ impl Step for TestHelpers {
             return
         }
 
-        let _folder = builder.fold_output(|| "build_test_helpers");
         builder.info("Building test helpers");
         t!(fs::create_dir_all(&dst));
         let mut cfg = cc::Build::new();

src/bootstrap/lib.rs

@@ -713,7 +713,6 @@ impl Step for Tidy {
             cmd.arg("--verbose");
         }
 
-        let _folder = builder.fold_output(|| "tidy");
         builder.info("tidy check");
         try_run(builder, &mut cmd);
     }
@@ -1310,7 +1309,6 @@ impl Step for Compiletest {
 
         builder.ci_env.force_coloring_in_ci(&mut cmd);
 
-        let _folder = builder.fold_output(|| format!("test_{}", suite));
         builder.info(&format!(
             "Check compiletest suite={} mode={} ({} -> {})",
             suite, mode, &compiler.host, target
@@ -1320,7 +1318,6 @@ impl Step for Compiletest {
 
         if let Some(compare_mode) = compare_mode {
             cmd.arg("--compare-mode").arg(compare_mode);
-            let _folder = builder.fold_output(|| format!("test_{}_{}", suite, compare_mode));
             builder.info(&format!(
                 "Check compiletest suite={} mode={} compare_mode={} ({} -> {})",
                 suite, mode, compare_mode, &compiler.host, target
@@ -1364,7 +1361,6 @@ impl Step for DocTest {
         // tests for all files that end in `*.md`
         let mut stack = vec![builder.src.join(self.path)];
         let _time = util::timeit(&builder);
-        let _folder = builder.fold_output(|| format!("test_{}", self.name));
 
         let mut files = Vec::new();
         while let Some(p) = stack.pop() {
@@ -1495,7 +1491,6 @@ impl Step for ErrorIndex {
             .env("CFG_BUILD", &builder.config.build)
             .env("RUSTC_ERROR_METADATA_DST", builder.extended_error_dir());
 
-        let _folder = builder.fold_output(|| "test_error_index");
         builder.info(&format!("Testing error-index stage{}", compiler.stage));
         let _time = util::timeit(&builder);
         builder.run(&mut tool);
@@ -1819,14 +1814,6 @@ impl Step for Crate {
             );
         }
 
-        let _folder = builder.fold_output(|| {
-            format!(
-                "{}_stage{}-{}",
-                test_kind.subcommand(),
-                compiler.stage,
-                krate
-            )
-        });
         builder.info(&format!(
             "{} {} stage{} ({} -> {})",
             test_kind, krate, compiler.stage, &compiler.host, target
@@ -1894,8 +1881,6 @@ impl Step for CrateRustdoc {
             cargo.arg("--quiet");
         }
 
-        let _folder = builder
-            .fold_output(|| format!("{}_stage{}-rustdoc", test_kind.subcommand(), compiler.stage));
         builder.info(&format!(
             "{} rustdoc stage{} ({} -> {})",
             test_kind, compiler.stage, &compiler.host, target

src/bootstrap/native.rs

@@ -74,7 +74,6 @@ impl Step for ToolBuild {
             &self.extra_features,
         );
 
-        let _folder = builder.fold_output(|| format!("stage{}-{}", compiler.stage, tool));
         builder.info(&format!("Building stage{} tool {} ({})", compiler.stage, tool, target));
         let mut duplicates = Vec::new();
         let is_expected = compile::stream_cargo(builder, &mut cargo, vec![], &mut |msg| {
@@ -509,7 +508,6 @@ impl Step for Rustdoc {
             &[],
         );
 
-        let _folder = builder.fold_output(|| format!("stage{}-rustdoc", target_compiler.stage));
         builder.info(&format!("Building rustdoc for stage{} ({})",
             target_compiler.stage, target_compiler.host));
         builder.run(&mut cargo);

src/bootstrap/test.rs

@@ -6,10 +6,10 @@
 use std::env;
 use std::str;
 use std::fs;
-use std::io::{self, Write};
+use std::io;
 use std::path::{Path, PathBuf};
 use std::process::Command;
-use std::time::{SystemTime, Instant};
+use std::time::Instant;
 
 use build_helper::t;
 
@@ -254,90 +254,20 @@ pub fn symlink_dir(config: &Config, src: &Path, dest: &Path) -> io::Result<()> {
     }
 }
 
-/// An RAII structure that indicates all output until this instance is dropped
-/// is part of the same group.
-///
-/// On Travis CI, these output will be folded by default, together with the
-/// elapsed time in this block. This reduces noise from unnecessary logs,
-/// allowing developers to quickly identify the error.
-///
-/// Travis CI supports folding by printing `travis_fold:start:<name>` and
-/// `travis_fold:end:<name>` around the block. Time elapsed is recognized
-/// similarly with `travis_time:[start|end]:<name>`. These are undocumented, but
-/// can easily be deduced from source code of the [Travis build commands].
-///
-/// [Travis build commands]:
-/// https://github.com/travis-ci/travis-build/blob/f603c0089/lib/travis/build/templates/header.sh
-pub struct OutputFolder {
-    name: String,
-    start_time: SystemTime, // we need SystemTime to get the UNIX timestamp.
-}
-
-impl OutputFolder {
-    /// Creates a new output folder with the given group name.
-    pub fn new(name: String) -> OutputFolder {
-        // "\r" moves the cursor to the beginning of the line, and "\x1b[0K" is
-        // the ANSI escape code to clear from the cursor to end of line.
-        // Travis seems to have trouble when _not_ using "\r\x1b[0K", that will
-        // randomly put lines to the top of the webpage.
-        print!("travis_fold:start:{0}\r\x1b[0Ktravis_time:start:{0}\r\x1b[0K", name);
-        OutputFolder {
-            name,
-            start_time: SystemTime::now(),
-        }
-    }
-}
-
-impl Drop for OutputFolder {
-    fn drop(&mut self) {
-        use std::time::*;
-        use std::u64;
-
-        fn to_nanos(duration: Result<Duration, SystemTimeError>) -> u64 {
-            match duration {
-                Ok(d) => d.as_secs() * 1_000_000_000 + d.subsec_nanos() as u64,
-                Err(_) => u64::MAX,
-            }
-        }
-
-        let end_time = SystemTime::now();
-        let duration = end_time.duration_since(self.start_time);
-        let start = self.start_time.duration_since(UNIX_EPOCH);
-        let finish = end_time.duration_since(UNIX_EPOCH);
-        println!(
-            "travis_fold:end:{0}\r\x1b[0K\n\
-                travis_time:end:{0}:start={1},finish={2},duration={3}\r\x1b[0K",
-            self.name,
-            to_nanos(start),
-            to_nanos(finish),
-            to_nanos(duration)
-        );
-        io::stdout().flush().unwrap();
-    }
-}
-
 /// The CI environment rustbuild is running in. This mainly affects how the logs
 /// are printed.
 #[derive(Copy, Clone, PartialEq, Eq, Debug)]
 pub enum CiEnv {
     /// Not a CI environment.
     None,
-    /// The Travis CI environment, for Linux (including Docker) and macOS builds.
-    Travis,
-    /// The AppVeyor environment, for Windows builds.
-    AppVeyor,
     /// The Azure Pipelines environment, for Linux (including Docker), Windows, and macOS builds.
     AzurePipelines,
 }
 
 impl CiEnv {
     /// Obtains the current CI environment.
     pub fn current() -> CiEnv {
-        if env::var("TRAVIS").ok().map_or(false, |e| &*e == "true") {
-            CiEnv::Travis
-        } else if env::var("APPVEYOR").ok().map_or(false, |e| &*e == "True") {
-            CiEnv::AppVeyor
-        } else if env::var("TF_BUILD").ok().map_or(false, |e| &*e == "True") {
+        if env::var("TF_BUILD").ok().map_or(false, |e| &*e == "True") {
             CiEnv::AzurePipelines
         } else {
             CiEnv::None