Decrease the number of compilation tasks in parallel.

Closes #70

.travis.yml

@@ -13,16 +13,16 @@ env:
 matrix:
   include:
     - env: TARGET=i686-unknown-linux-gnu
-      rust: nightly-2019-07-02
+      rust: nightly-2019-09-04
     - env: TARGET=x86_64-unknown-linux-gnu
-      rust: nightly-2019-07-02
+      rust: nightly-2019-09-04
     - env: TARGET=i686-unknown-linux-musl
-      rust: nightly-2019-07-02
+      rust: nightly-2019-09-04
     - env: TARGET=x86_64-unknown-linux-musl
-      rust: nightly-2019-07-02
+      rust: nightly-2019-09-04
     - env: TARGET=x86_64-apple-darwin
       os: osx
-      rust: nightly-2019-07-02
+      rust: nightly-2019-09-04
 
 before_install:
   - set -e

CHANGELOG.md

@@ -1,5 +1,10 @@
 # Changelog
 
+## [0.3.2]
+
+Decrease the number of compilation tasks in parallel so as to reduce
+the chance that Idris compiler breaks down on high load.
+
 ## [0.3.1]
 
 This release reduces the build time and comes with new command line
@@ -267,7 +272,8 @@ other packages.
 - Commands for creating packages, building packages (generating a lockfile
   and building all targets), testing packages, and (un)installing packages.
 
-[Unreleased]: https://github.com/elba/elba/compare/0.3.1...HEAD
+[Unreleased]: https://github.com/elba/elba/compare/0.3.2...HEAD
+[0.3.2]: https://github.com/elba/elba/compare/0.3.1...0.3.2
 [0.3.1]: https://github.com/elba/elba/compare/0.3.0...0.3.1
 [0.3.0]: https://github.com/elba/elba/compare/0.2.0...0.3.0
 [0.2.0]: https://github.com/elba/elba/compare/0.1.5...0.2.0

Cargo.toml

@@ -2,7 +2,7 @@
 name = "elba"
 description = "elba is a package manager for Idris"
 authors = ["David Cao <david@cao.st>"]
-version = "0.3.1"
+version = "0.3.2"
 license = "MIT"
 edition = "2018"
 

appveyor.yml

@@ -3,15 +3,15 @@
 
 environment:
   global:
-    RUST_VERSION: nightly-2019-07-02
+    RUST_VERSION: nightly-2019-09-04
     CRATE_NAME: elba
 
   matrix:
     # Testing other channels
     - TARGET: i686-pc-windows-msvc
-      RUST_VERSION: nightly-2019-07-02
+      RUST_VERSION: nightly-2019-09-04
     - TARGET: x86_64-pc-windows-msvc
-      RUST_VERSION: nightly-2019-07-02
+      RUST_VERSION: nightly-2019-09-04
 
 install:
   - ps: >-

docs/src/usage/quick_start.rst

@@ -42,7 +42,7 @@ from `crates.io <https://crates.io>`__. In order to install elba this
 way, you should have a copy of the Rust toolchain installed on your
 computer first. The process for this is explained on `the Rust
 website <https://www.rust-lang.org/en-US/install.html>`__. The version of
-of Rust elba has successfully been built on is **nightly-2019-07-02**.
+of Rust elba has successfully been built on is **nightly-2019-09-04**.
 
 Once you have Rust installed, installing elba is self-explanatory:
 

src/lib/build/mod.rs

@@ -206,7 +206,7 @@ pub async fn compile_lib<'a>(
     loop {
         while let Some(compile) = compilations.next() {
             ongoing_compilation.push(Box::pin(compile));
-            if ongoing_compilation.len() > 4 {
+            if ongoing_compilation.len() >= 2 {
                 break;
             }
         }