[INFO] crate mockstream 0.0.3 is already in cache
[INFO] testing mockstream-0.0.3 against 1.38.0 for beta-1.39-1
[INFO] extracting crate mockstream 0.0.3 into work/builds/worker-7/source
[INFO] validating manifest of crates.io crate mockstream 0.0.3 on toolchain 1.38.0
[INFO] running `"/big/crater/work/cargo-home/bin/cargo" "+1.38.0" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking crates.io crate mockstream 0.0.3
[INFO] finished tweaking crates.io crate mockstream 0.0.3
[INFO] tweaked toml for crates.io crate mockstream 0.0.3 written to work/builds/worker-7/source/Cargo.toml
[INFO] running `"/big/crater/work/cargo-home/bin/cargo" "+1.38.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/big/crater/work/cargo-home/bin/cargo" "+1.38.0" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/big/crater/work/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/big/crater/work/builds/worker-7/source:/opt/rustwide/workdir:ro,Z" "-v" "/big/crater/work/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/big/crater/work/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+1.38.0" "build" "--frozen"`
[INFO] [stdout] 0a585b3e0a3520850a3e6e61dc87fd081c6c429a683c673e048b3f1d476f08c8
[INFO] running `"docker" "start" "-a" "0a585b3e0a3520850a3e6e61dc87fd081c6c429a683c673e048b3f1d476f08c8"`
[INFO] [stderr]    Compiling mockstream v0.0.3 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.27s
[INFO] running `"docker" "inspect" "0a585b3e0a3520850a3e6e61dc87fd081c6c429a683c673e048b3f1d476f08c8"`
[INFO] running `"docker" "rm" "-f" "0a585b3e0a3520850a3e6e61dc87fd081c6c429a683c673e048b3f1d476f08c8"`
[INFO] [stdout] 0a585b3e0a3520850a3e6e61dc87fd081c6c429a683c673e048b3f1d476f08c8
[INFO] running `"docker" "create" "-v" "/big/crater/work/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/big/crater/work/builds/worker-7/source:/opt/rustwide/workdir:ro,Z" "-v" "/big/crater/work/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/big/crater/work/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+1.38.0" "test" "--frozen" "--no-run"`
[INFO] [stdout] 7b0fe6ee0c4f7c016f5de1bd4b5b385428db7ded77d88029167ae79f3453e0eb
[INFO] running `"docker" "start" "-a" "7b0fe6ee0c4f7c016f5de1bd4b5b385428db7ded77d88029167ae79f3453e0eb"`
[INFO] [stderr]    Compiling mockstream v0.0.3 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.83s
[INFO] running `"docker" "inspect" "7b0fe6ee0c4f7c016f5de1bd4b5b385428db7ded77d88029167ae79f3453e0eb"`
[INFO] running `"docker" "rm" "-f" "7b0fe6ee0c4f7c016f5de1bd4b5b385428db7ded77d88029167ae79f3453e0eb"`
[INFO] [stdout] 7b0fe6ee0c4f7c016f5de1bd4b5b385428db7ded77d88029167ae79f3453e0eb
[INFO] running `"docker" "create" "-v" "/big/crater/work/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/big/crater/work/builds/worker-7/source:/opt/rustwide/workdir:ro,Z" "-v" "/big/crater/work/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/big/crater/work/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+1.38.0" "test" "--frozen"`
[INFO] [stdout] 446a1207b1b100a188d1a4255c99d3fbb1f25383e07e9c7ea1558245f04a4aa6
[INFO] running `"docker" "start" "-a" "446a1207b1b100a188d1a4255c99d3fbb1f25383e07e9c7ea1558245f04a4aa6"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.00s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/mockstream-64c54e36d39319fe
[INFO] [stdout] 
[INFO] [stdout] running 11 tests
[INFO] [stdout] test tests::test_failing_mock_stream_chain_interrupted ... ok
[INFO] [stdout] test tests::test_failing_mock_stream_chain ... ok
[INFO] [stdout] test tests::test_failing_mock_stream_read ... ok
[INFO] [stdout] test tests::test_failing_mock_stream_write ... ok
[INFO] [stdout] test tests::test_mock_stream_empty_and_fill ... ok
[INFO] [stdout] test tests::test_mock_stream_pop_again ... ok
[INFO] [stdout] test tests::test_mock_stream_read ... ok
[INFO] [stdout] test tests::test_mock_stream_write ... ok
[INFO] [stdout] test tests::test_mock_stream_read_lines ... ok
[INFO] [stdout] test tests::test_shared_mock_stream ... ok
[INFO] [stdout] test tests::test_sync_mock_stream ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 11 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests mockstream
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test src/lib.rs - FailingMockStream (line 159) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] running `"docker" "inspect" "446a1207b1b100a188d1a4255c99d3fbb1f25383e07e9c7ea1558245f04a4aa6"`
[INFO] running `"docker" "rm" "-f" "446a1207b1b100a188d1a4255c99d3fbb1f25383e07e9c7ea1558245f04a4aa6"`
[INFO] [stdout] 446a1207b1b100a188d1a4255c99d3fbb1f25383e07e9c7ea1558245f04a4aa6