Tweak CI

.travis.yml

@@ -2,6 +2,8 @@ language: rust
 rust: nightly
 sudo: false
 
+cache: cargo
+
 notifications:
   email:
     on_failure: always

ci/run.sh

@@ -5,7 +5,13 @@ set -ex
 export RUST_BACKTRACE=full
 #export RUST_TEST_NOCAPTURE=1
 
-rustup component add rustc-dev
+cargo +nightly install rustup-toolchain-install-master
+if [ "${TRAVIS_OS_NAME}" = "windows" ]; then
+    rustup-toolchain-install-master -f -n master -c rustc-dev -i x86_64-pc-windows-msvc
+else
+    rustup-toolchain-install-master -f -n master -c rustc-dev
+fi
+rustup override set master
 
 cargo build
 cargo test --verbose -- --nocapture
@@ -20,14 +26,18 @@ case "${TRAVIS_OS_NAME}" in
         TEST_TARGET=x86_64-unknown-linux-gnu cargo test --verbose -- --nocapture
         ;;
     *"windows"*)
-        rustup target add x86_64-pc-windows-msvc
         TEST_TARGET=x86_64-pc-windows-msvc cargo test --verbose -- --nocapture
         ;;
     *"macos"*)
         TEST_TARGET=x86_64-apple-darwin cargo test --verbose -- --nocapture
         ;;
 esac
 
+# FIXME: Somehow we couldn't install semverver on Travis' Windows builder.
+if [ "${TRAVIS_OS_NAME}" = "windows" ]; then
+    exit 0
+fi
+
 # install
 mkdir -p ~/rust/cargo/bin
 cp target/debug/cargo-semver ~/rust/cargo/bin
@@ -54,5 +64,5 @@ if cargo install --root "$(mktemp -d)" semverver > /dev/null 2>/dev/null; then
         exit 1
     fi
 else
-  echo 'Failed to check semver-compliance of semverver.  Failed to compiled previous version.' >&2
+    echo 'Failed to check semver-compliance of semverver.  Failed to compiled previous version.' >&2
 fi

tests/full_cases/log-0.3.4-0.3.8.osx

@@ -23,7 +23,7 @@ warning: technically breaking changes in `<new::LogRecord<'a> as std::fmt::Debug
     |
     = note: trait impl generalized or newly added (technically breaking)
 
-warning: technically breaking changes in `<new::LogMetadata<'a> as std::marker::StructuralEq>`
+warning: technically breaking changes in `<new::LogMetadata<'a> as std::cmp::Eq>`
    --> log-0.3.8/src/lib.rs:552:10
     |
 552 | #[derive(Eq, PartialEq, Ord, PartialOrd, Hash, Debug)]
@@ -71,7 +71,7 @@ warning: technically breaking changes in `<new::LogMetadata<'a> as std::fmt::Deb
     |
     = note: trait impl generalized or newly added (technically breaking)
 
-warning: technically breaking changes in `<new::LogLocation as std::marker::StructuralEq>`
+warning: technically breaking changes in `<new::LogLocation as std::cmp::Eq>`
    --> log-0.3.8/src/lib.rs:604:30
     |
 604 | #[derive(Copy, Clone, Debug, Eq, PartialEq, Ord, PartialOrd, Hash)]

tests/full_cases/log-0.3.4-0.3.8.windows_msvc

@@ -23,7 +23,7 @@ warning: technically breaking changes in `<new::LogRecord<'a> as std::fmt::Debug
     |
     = note: trait impl generalized or newly added (technically breaking)
 
-warning: technically breaking changes in `<new::LogMetadata<'a> as std::cmp::Eq>`
+warning: technically breaking changes in `<new::LogMetadata<'a> as std::marker::StructuralEq>`
    --> log-0.3.8\src\lib.rs:552:10
     |
 552 | #[derive(Eq, PartialEq, Ord, PartialOrd, Hash, Debug)]
@@ -71,7 +71,7 @@ warning: technically breaking changes in `<new::LogMetadata<'a> as std::fmt::Deb
     |
     = note: trait impl generalized or newly added (technically breaking)
 
-warning: technically breaking changes in `<new::LogLocation as std::cmp::Eq>`
+warning: technically breaking changes in `<new::LogLocation as std::marker::StructuralEq>`
    --> log-0.3.8\src\lib.rs:604:30
     |
 604 | #[derive(Copy, Clone, Debug, Eq, PartialEq, Ord, PartialOrd, Hash)]

tests/full_cases/rmpv-0.4.0-0.4.1.windows_msvc

@@ -1,6 +1,6 @@
 version bump: 0.4.0 -> (breaking) -> 0.4.1
 error: breaking changes in `<old::decode::Error as std::convert::From<rmp::decode::MarkerReadError>>`
-  --> rmpv-0.4.0/src/decode/mod.rs:60:1
+  --> rmpv-0.4.0\src\decode\mod.rs:60:1
    |
 60 | / impl From<MarkerReadError> for Error {
 61 | |     fn from(err: MarkerReadError) -> Error {
@@ -12,7 +12,7 @@ error: breaking changes in `<old::decode::Error as std::convert::From<rmp::decod
    = warning: trait impl specialized or removed (breaking)
 
 error: breaking changes in `<old::decode::Error as std::convert::From<rmp::decode::ValueReadError>>`
-  --> rmpv-0.4.0/src/decode/mod.rs:66:1
+  --> rmpv-0.4.0\src\decode\mod.rs:66:1
    |
 66 | / impl From<ValueReadError> for Error {
 67 | |     fn from(err: ValueReadError) -> Error {
@@ -26,7 +26,7 @@ error: breaking changes in `<old::decode::Error as std::convert::From<rmp::decod
    = warning: trait impl specialized or removed (breaking)
 
 error: breaking changes in `write_value`
-  --> rmpv-0.4.1/src/encode/value.rs:15:1
+  --> rmpv-0.4.1\src\encode\value.rs:15:1
    |
 15 | / pub fn write_value<W>(wr: &mut W, val: &Value) -> Result<(), Error>
 16 | |     where W: Write
@@ -40,7 +40,7 @@ error: breaking changes in `write_value`
    = warning: type error: expected enum `old::encode::Error`, found enum `new::encode::Error` (breaking)
 
 error: breaking changes in `write_value_ref`
-  --> rmpv-0.4.1/src/encode/value_ref.rs:27:1
+  --> rmpv-0.4.1\src\encode\value_ref.rs:27:1
    |
 27 | / pub fn write_value_ref<W>(wr: &mut W, val: &ValueRef) -> Result<(), Error>
 28 | |     where W: Write
@@ -54,7 +54,7 @@ error: breaking changes in `write_value_ref`
    = warning: type error: expected enum `old::encode::Error`, found enum `new::encode::Error` (breaking)
 
 warning: technically breaking changes in `as_ref`
-   --> rmpv-0.4.1/src/lib.rs:253:5
+   --> rmpv-0.4.1\src\lib.rs:253:5
     |
 253 | /     pub fn as_ref(&self) -> Utf8StringRef {
 254 | |         match self.s {
@@ -67,7 +67,7 @@ warning: technically breaking changes in `as_ref`
     = note: added item in inherent impl (technically breaking)
 
 warning: technically breaking changes in `as_ref`
-   --> rmpv-0.4.1/src/lib.rs:448:5
+   --> rmpv-0.4.1\src\lib.rs:448:5
     |
 448 | /     pub fn as_ref(&self) -> ValueRef {
 449 | |         match self {
@@ -81,7 +81,7 @@ warning: technically breaking changes in `as_ref`
     = note: added item in inherent impl (technically breaking)
 
 warning: technically breaking changes in `<new::decode::Error as std::convert::From<rmp::decode::MarkerReadError>>`
-  --> rmpv-0.4.1/src/decode/mod.rs:60:1
+  --> rmpv-0.4.1\src\decode\mod.rs:60:1
    |
 60 | / impl From<MarkerReadError> for Error {
 61 | |     fn from(err: MarkerReadError) -> Error {
@@ -93,7 +93,7 @@ warning: technically breaking changes in `<new::decode::Error as std::convert::F
    = note: trait impl generalized or newly added (technically breaking)
 
 warning: technically breaking changes in `<new::decode::Error as std::convert::From<rmp::decode::ValueReadError>>`
-  --> rmpv-0.4.1/src/decode/mod.rs:66:1
+  --> rmpv-0.4.1\src\decode\mod.rs:66:1
    |
 66 | / impl From<ValueReadError> for Error {
 67 | |     fn from(err: ValueReadError) -> Error {