[INFO] updating cached repository https://github.com/lazy-bitfield/rust-mockstream
[INFO] running `"git" "-c" "credential.helper=" "-c" "credential.helper=/big/crater/work/cargo-home/bin/git-credential-null" "-c" "remote.origin.fetch=refs/heads/*:refs/heads/*" "fetch" "origin" "--force" "--prune"`
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] e6077f902af4496fadc6a134ea6a561aaa95c2e3
[INFO] testing lazy-bitfield/rust-mockstream against beta-2019-09-28 for beta-1.39-1
[INFO] running `"git" "clone" "work/cache/git-repos/https%3A%2F%2Fgithub.com%2Flazy-bitfield%2Frust-mockstream" "work/builds/worker-3/source"`
[INFO] [stderr] Cloning into 'work/builds/worker-3/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/lazy-bitfield/rust-mockstream on toolchain beta-2019-09-28
[INFO] running `"/big/crater/work/cargo-home/bin/cargo" "+beta-2019-09-28" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking git repo https://github.com/lazy-bitfield/rust-mockstream
[INFO] finished tweaking git repo https://github.com/lazy-bitfield/rust-mockstream
[INFO] tweaked toml for git repo https://github.com/lazy-bitfield/rust-mockstream written to work/builds/worker-3/source/Cargo.toml
[INFO] crate git repo https://github.com/lazy-bitfield/rust-mockstream already has a lockfile, it will not be regenerated
[INFO] running `"/big/crater/work/cargo-home/bin/cargo" "+beta-2019-09-28" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/big/crater/work/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/big/crater/work/builds/worker-3/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" "+beta-2019-09-28" "build" "--frozen"`
[INFO] [stdout] 738833e70d0d84ed8437a9b88d5820dfbc9d7fdb6f71aa3185cdf51f7bb51dc1
[INFO] running `"docker" "start" "-a" "738833e70d0d84ed8437a9b88d5820dfbc9d7fdb6f71aa3185cdf51f7bb51dc1"`
[INFO] [stderr]    Compiling mockstream v0.0.3 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.00s
[INFO] running `"docker" "inspect" "738833e70d0d84ed8437a9b88d5820dfbc9d7fdb6f71aa3185cdf51f7bb51dc1"`
[INFO] running `"docker" "rm" "-f" "738833e70d0d84ed8437a9b88d5820dfbc9d7fdb6f71aa3185cdf51f7bb51dc1"`
[INFO] [stdout] 738833e70d0d84ed8437a9b88d5820dfbc9d7fdb6f71aa3185cdf51f7bb51dc1
[INFO] running `"docker" "create" "-v" "/big/crater/work/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/big/crater/work/builds/worker-3/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" "+beta-2019-09-28" "test" "--frozen" "--no-run"`
[INFO] [stdout] 784b2201f980a013f0d3457bfc7f4169b4e5f0ae3563d22decd68ba9019c7fbf
[INFO] running `"docker" "start" "-a" "784b2201f980a013f0d3457bfc7f4169b4e5f0ae3563d22decd68ba9019c7fbf"`
[INFO] [stderr]    Compiling mockstream v0.0.3 (/opt/rustwide/workdir)
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/tests.rs:133:14
[INFO] [stderr]     |
[INFO] [stderr] 133 |     let count = try![s.read(v.as_mut())];
[INFO] [stderr]     |                 ^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(deprecated)]` on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.43s
[INFO] running `"docker" "inspect" "784b2201f980a013f0d3457bfc7f4169b4e5f0ae3563d22decd68ba9019c7fbf"`
[INFO] running `"docker" "rm" "-f" "784b2201f980a013f0d3457bfc7f4169b4e5f0ae3563d22decd68ba9019c7fbf"`
[INFO] [stdout] 784b2201f980a013f0d3457bfc7f4169b4e5f0ae3563d22decd68ba9019c7fbf
[INFO] running `"docker" "create" "-v" "/big/crater/work/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/big/crater/work/builds/worker-3/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" "+beta-2019-09-28" "test" "--frozen"`
[INFO] [stdout] 1ec725d26d2ec4d172b7dbce8b3011b4aaf7a324bf46b41e5a46f328c6443e8d
[INFO] running `"docker" "start" "-a" "1ec725d26d2ec4d172b7dbce8b3011b4aaf7a324bf46b41e5a46f328c6443e8d"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.04s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/mockstream-a2cee0f119fda66e
[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_read ... ok
[INFO] [stdout] test tests::test_failing_mock_stream_chain ... 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_read_lines ... ok
[INFO] [stdout] test tests::test_shared_mock_stream ... ok
[INFO] [stdout] test tests::test_mock_stream_write ... 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" "1ec725d26d2ec4d172b7dbce8b3011b4aaf7a324bf46b41e5a46f328c6443e8d"`
[INFO] running `"docker" "rm" "-f" "1ec725d26d2ec4d172b7dbce8b3011b4aaf7a324bf46b41e5a46f328c6443e8d"`
[INFO] [stdout] 1ec725d26d2ec4d172b7dbce8b3011b4aaf7a324bf46b41e5a46f328c6443e8d