travis: Update pinned dependancies

Also, pin the version of rustc, so that nightly updates don't break
our build. This means that we can add the nightlies back into the
blocking set of tests.

Update the Ubuntu version to 20.04
Don't run any cargo-web tests (upstream is broken)

Signed-off-by: Joe Richey <joerichey@google.com>

Author: josephlr

.travis.yml

@@ -1,5 +1,6 @@
 language: rust
 sudo: false
+dist: focal
 
 matrix:
   include:
@@ -44,26 +45,27 @@ matrix:
         - wget -O chromedriver.zip https://chromedriver.storage.googleapis.com/$VERSION/chromedriver_linux64.zip
         - unzip chromedriver.zip
         # Get cargo-web
-        - export VERSION=0.6.26 # Pin version for stability
-        - wget -O cargo-web.gz https://github.com/koute/cargo-web/releases/download/$VERSION/cargo-web-x86_64-unknown-linux-gnu.gz
-        - gunzip cargo-web.gz
-        - chmod +x cargo-web
+        # - export VERSION=0.6.26 # Pin version for stability
+        # - wget -O cargo-web.gz https://github.com/koute/cargo-web/releases/download/$VERSION/cargo-web-x86_64-unknown-linux-gnu.gz
+        # - gunzip cargo-web.gz
+        # - chmod +x cargo-web
         # Get wasmtime
-        - export VERSION=v0.8.0 # Pin version for stability
+        - export VERSION=v0.19.0 # Pin version for stability
         - wget -O wasmtime.tar.xz https://github.com/CraneStation/wasmtime/releases/download/$VERSION/wasmtime-$VERSION-x86_64-linux.tar.xz
         - tar -xf wasmtime.tar.xz --strip-components=1
         # Get wasm-bindgen-test-runner which matches our wasm-bindgen version
         - export VERSION=$(cargo metadata --format-version=1 | jq -r '.packages[] | select ( .name == "wasm-bindgen" ) | .version')
         - wget -O wasm-bindgen.tar.gz https://github.com/rustwasm/wasm-bindgen/releases/download/$VERSION/wasm-bindgen-$VERSION-x86_64-unknown-linux-musl.tar.gz
         - tar -xzf wasm-bindgen.tar.gz --strip-components=1
         # Place the runner binaries in our PATH
-        - mv cargo-web wasmtime wasm-bindgen-test-runner $HOME/.cargo/bin
+        - mv wasmtime wasm-bindgen-test-runner $HOME/.cargo/bin
       script:
         # wasi tests
         - cargo test --target wasm32-wasi
         # stdweb tests (Node, Chrome)
-        - cargo web test --nodejs --target=wasm32-unknown-unknown --features=stdweb
-        - cargo web test --target=wasm32-unknown-unknown --features=stdweb
+        # stdweb (wasm32-unknown-unknown) tests are currently broken (see https://github.com/koute/cargo-web/issues/243)
+        # - cargo web test --nodejs --target=wasm32-unknown-unknown --features=stdweb
+        # - cargo web test --target=wasm32-unknown-unknown --features=stdweb
         # wasm-bindgen tests (Node, Firefox, Chrome)
         - cargo test --target wasm32-unknown-unknown --features=wasm-bindgen
         - GECKODRIVER=$PWD/geckodriver cargo test --target wasm32-unknown-unknown --features=test-in-browser
@@ -77,7 +79,7 @@ matrix:
       install:
         - rustup target add wasm32-unknown-emscripten
         - rustup target add asmjs-unknown-emscripten
-        - export VERSION=1.39.13 # Pin version for stability
+        - export VERSION=2.0.2 # Pin version for stability
         - git clone https://github.com/emscripten-core/emsdk.git
         - ./emsdk/emsdk install $VERSION
         - ./emsdk/emsdk activate $VERSION
@@ -88,7 +90,7 @@ matrix:
         - RUSTFLAGS='-C debuginfo=0' cargo test --target asmjs-unknown-emscripten
 
     - name: "Linux, nightly, docs"
-      rust: nightly
+      rust: nightly-2020-09-08
       os: linux
       install:
         - cargo --list | egrep "^\s*deadlinks$" -q || cargo install cargo-deadlinks
@@ -106,7 +108,7 @@ matrix:
         - cargo test
 
     - name: "OSX, nightly, docs"
-      rust: nightly
+      rust: nightly-2020-09-08
       os: osx
       install:
         - cargo --list | egrep "^\s*deadlinks$" -q || cargo install cargo-deadlinks
@@ -124,7 +126,7 @@ matrix:
         - cargo test
 
     - name: "cross-platform build only"
-      rust: nightly
+      rust: nightly-2020-09-08
       install:
         - rustup target add x86_64-sun-solaris
         - rustup target add x86_64-unknown-cloudabi
@@ -197,9 +199,6 @@ matrix:
   allow_failures:
     # Formatting errors should appear in Travis, but not break the build.
     - name: "rustfmt"
-    # The nightly toolchain is unstable, don't let it break our build
-    - name: "Linux, nightly, docs"
-    - name: "OSX, nightly, docs"
 
 before_install:
   - set -e