Fix 1.29 tests by pinning newly-incompatible crates

Author: sgeisler

README.md

@@ -53,9 +53,11 @@ Because some dependencies have broken the build in minor/patch releases, to
 compile with 1.29.0 you will need to run the following version-pinning command:
 ```
 cargo update --package "cc" --precise "1.0.41"
+cargo update --package "log:0.4.x" --precise "0.4.13" # x being the highest patch version
 cargo update --package "cfg-if" --precise "0.1.9"
 cargo update --package "unicode-normalization" --precise "0.1.9"
 cargo update --package "serde_json" --precise "1.0.39"
 cargo update --package "serde" --precise "1.0.98"
 cargo update --package "serde_derive" --precise "1.0.98"
+cargo update --package "byteorder" --precise "1.3.4"
 ```

contrib/test.sh

@@ -11,6 +11,11 @@ echo "PATH: \"$PATH\""
 # Pin dependencies for Rust v1.29
 if [ "$TRAVIS_RUST_VERSION" = "1.29.0" ]; then
     cargo generate-lockfile --verbose
+
+    # hyper depends on log 0.3 while we depnd on 0.4, so cargo doesn't know which one to pin
+    LOG_4_PATCH="$(cargo update --package "log" --precise "0.4.13" 2>&1 | sed -n "s/.*log:0.4.\([0-9]*\)/\1/p")"
+    cargo update --package "log:0.4.$LOG_4_PATCH" --precise "0.4.13"
+
     cargo update --verbose --package "cc" --precise "1.0.41"
     cargo update --verbose --package "cfg-if" --precise "0.1.9"
     cargo update --verbose --package "unicode-normalization" --precise "0.1.9"