[INFO] updating cached repository lazy-bitfield/rust-mockstream
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/lazy-bitfield/rust-mockstream
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/lazy-bitfield/rust-mockstream" "work/ex/beta-1.37-6/sources/1.36.0/gh/lazy-bitfield/rust-mockstream"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.37-6/sources/1.36.0/gh/lazy-bitfield/rust-mockstream'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/lazy-bitfield/rust-mockstream" "work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/lazy-bitfield/rust-mockstream"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/lazy-bitfield/rust-mockstream'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] e6077f902af4496fadc6a134ea6a561aaa95c2e3
[INFO] sha for GitHub repo lazy-bitfield/rust-mockstream: e6077f902af4496fadc6a134ea6a561aaa95c2e3
[INFO] validating manifest of lazy-bitfield/rust-mockstream on toolchain 1.36.0
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.36.0" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of lazy-bitfield/rust-mockstream on toolchain beta-2019-07-23
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-07-23" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing lazy-bitfield/rust-mockstream
[INFO] finished frobbing lazy-bitfield/rust-mockstream
[INFO] frobbed toml for lazy-bitfield/rust-mockstream written to work/ex/beta-1.37-6/sources/1.36.0/gh/lazy-bitfield/rust-mockstream/Cargo.toml
[INFO] started frobbing lazy-bitfield/rust-mockstream
[INFO] finished frobbing lazy-bitfield/rust-mockstream
[INFO] frobbed toml for lazy-bitfield/rust-mockstream written to work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/lazy-bitfield/rust-mockstream/Cargo.toml
[INFO] crate lazy-bitfield/rust-mockstream already has a lockfile, it will not be regenerated
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.36.0" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-07-23" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] testing lazy-bitfield/rust-mockstream against beta-2019-07-23 for beta-1.37-6
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-6/beta-2019-07-23:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/lazy-bitfield/rust-mockstream:/opt/crater/workdir:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/opt/crater/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/opt/crater/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/crater/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/crater/cargo-home" "-e" "RUSTUP_HOME=/opt/crater/rustup-home" "-w" "/opt/crater/workdir" "-m" "1536M" "--network" "none" "rustops/crates-build-env" "/opt/crater/cargo-home/bin/cargo" "+beta-2019-07-23" "build" "--frozen"`
[INFO] [stdout] fb27ad7370898900ac22f579613e45d8f21582b7db4b6fdc5a442a99acfb42fd
[INFO] running `"docker" "start" "-a" "fb27ad7370898900ac22f579613e45d8f21582b7db4b6fdc5a442a99acfb42fd"`
[INFO] [stderr]    Compiling mockstream v0.0.3 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.97s
[INFO] running `"docker" "inspect" "fb27ad7370898900ac22f579613e45d8f21582b7db4b6fdc5a442a99acfb42fd"`
[INFO] running `"docker" "rm" "-f" "fb27ad7370898900ac22f579613e45d8f21582b7db4b6fdc5a442a99acfb42fd"`
[INFO] [stdout] fb27ad7370898900ac22f579613e45d8f21582b7db4b6fdc5a442a99acfb42fd
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-6/beta-2019-07-23:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/lazy-bitfield/rust-mockstream:/opt/crater/workdir:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/opt/crater/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/opt/crater/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/crater/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/crater/cargo-home" "-e" "RUSTUP_HOME=/opt/crater/rustup-home" "-w" "/opt/crater/workdir" "-m" "1536M" "--network" "none" "rustops/crates-build-env" "/opt/crater/cargo-home/bin/cargo" "+beta-2019-07-23" "test" "--frozen" "--no-run"`
[INFO] [stdout] 917125d8181eea368f4cbbc8b982a0a19bdfcb230602997221b93f03991eceb1
[INFO] running `"docker" "start" "-a" "917125d8181eea368f4cbbc8b982a0a19bdfcb230602997221b93f03991eceb1"`
[INFO] [stderr]    Compiling mockstream v0.0.3 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.99s
[INFO] running `"docker" "inspect" "917125d8181eea368f4cbbc8b982a0a19bdfcb230602997221b93f03991eceb1"`
[INFO] running `"docker" "rm" "-f" "917125d8181eea368f4cbbc8b982a0a19bdfcb230602997221b93f03991eceb1"`
[INFO] [stdout] 917125d8181eea368f4cbbc8b982a0a19bdfcb230602997221b93f03991eceb1
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-6/beta-2019-07-23:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/lazy-bitfield/rust-mockstream:/opt/crater/workdir:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/opt/crater/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/opt/crater/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/crater/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/crater/cargo-home" "-e" "RUSTUP_HOME=/opt/crater/rustup-home" "-w" "/opt/crater/workdir" "-m" "1536M" "--network" "none" "rustops/crates-build-env" "/opt/crater/cargo-home/bin/cargo" "+beta-2019-07-23" "test" "--frozen"`
[INFO] [stdout] 29372404cca4d44fff7c17c5b57619460d02e9d8290edbfee6196d39b4e3bcbb
[INFO] running `"docker" "start" "-a" "29372404cca4d44fff7c17c5b57619460d02e9d8290edbfee6196d39b4e3bcbb"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.04s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/mockstream-0cd3715640d3928d
[INFO] [stdout] 
[INFO] [stdout] running 11 tests
[INFO] [stdout] test tests::test_failing_mock_stream_chain ... ok
[INFO] [stdout] test tests::test_failing_mock_stream_chain_interrupted ... ok
[INFO] [stdout] test tests::test_shared_mock_stream ... 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_sync_mock_stream ... ok
[INFO] [stdout] test tests::test_failing_mock_stream_write ... ok
[INFO] [stdout] test tests::test_failing_mock_stream_read ... ok
[INFO] [stdout] test tests::test_mock_stream_empty_and_fill ... ok
[INFO] [stdout] test tests::test_mock_stream_pop_again ... 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" "29372404cca4d44fff7c17c5b57619460d02e9d8290edbfee6196d39b4e3bcbb"`
[INFO] running `"docker" "rm" "-f" "29372404cca4d44fff7c17c5b57619460d02e9d8290edbfee6196d39b4e3bcbb"`
[INFO] [stdout] 29372404cca4d44fff7c17c5b57619460d02e9d8290edbfee6196d39b4e3bcbb