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@@ -5,9 +5,10 @@ cache:
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## cargo: true
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directories:
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- $HOME/.cargo
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-
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-before_cache:
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- - rm -rf $HOME/.cargo/registry
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+ ## caching CARGO_TARGET_DIR actually slows down the build over time,
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+ ## because old build products are never deleted.
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+ ## where we point CARGO_TARGET_DIR in all our cargo invocations
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+ #- $TRAVIS_BUILD_DIR/src/rust/target
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compiler:
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- gcc
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@@ -217,6 +218,9 @@ after_failure:
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before_cache:
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## Delete all gcov files.
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- if [[ "$COVERAGE_OPTIONS" != "" ]]; then make reset-gcov; fi
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+ ## Delete the cargo registry before caching .cargo, because it's cheaper to
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+ ## download the registry and throw it away, rather than caching it
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+ - rm -rf $HOME/.cargo/registry
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notifications:
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irc:
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teor