[INFO] cloning repository https://github.com/olegnn/union
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/olegnn/union" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Folegnn%2Funion", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Folegnn%2Funion'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] b8ac7386e99b72ad20878df734d675e5cb3af8a1
[INFO] testing olegnn/union against beta-2021-08-01 for beta-1.55-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Folegnn%2Funion" "/workspace/builds/worker-11/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-11/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/olegnn/union on toolchain beta-2021-08-01
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-08-01" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/olegnn/union
[INFO] finished tweaking git repo https://github.com/olegnn/union
[INFO] tweaked toml for git repo https://github.com/olegnn/union written to /workspace/builds/worker-11/source/Cargo.toml
[INFO] crate git repo https://github.com/olegnn/union already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-08-01" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded openssl-sys v0.9.51
[INFO] [stderr]   Downloaded futures-join-macro-preview v0.3.0-alpha.19
[INFO] [stderr]   Downloaded futures-select-macro-preview v0.3.0-alpha.19
[INFO] [stderr]   Downloaded reqwest v0.10.0-alpha.1
[INFO] [stderr]   Downloaded futures-timer v1.0.2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-08-01" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 0ed1da79fc01138dc630d8a6f83320d8addd1469c79dc9669cda81f558873a94
[INFO] running `Command { std: "docker" "start" "-a" "0ed1da79fc01138dc630d8a6f83320d8addd1469c79dc9669cda81f558873a94", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "0ed1da79fc01138dc630d8a6f83320d8addd1469c79dc9669cda81f558873a94", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0ed1da79fc01138dc630d8a6f83320d8addd1469c79dc9669cda81f558873a94", kill_on_drop: false }`
[INFO] [stdout] 0ed1da79fc01138dc630d8a6f83320d8addd1469c79dc9669cda81f558873a94
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-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" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-08-01" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] de4713fb09c86029dc956499c58a9a46555c6755b9effb4c5b72333b12689408
[INFO] running `Command { std: "docker" "start" "-a" "de4713fb09c86029dc956499c58a9a46555c6755b9effb4c5b72333b12689408", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.5
[INFO] [stderr]    Compiling unicode-xid v0.2.0
[INFO] [stderr]    Compiling syn v1.0.5
[INFO] [stderr]    Compiling proc-macro-nested v0.1.3
[INFO] [stderr]    Compiling quote v1.0.2
[INFO] [stderr]    Compiling proc-macro-hack v0.5.10
[INFO] [stderr]    Compiling union_impl v0.1.3 (/opt/rustwide/workdir/union_impl)
[INFO] [stderr]    Compiling union_export v0.1.3 (/opt/rustwide/workdir/union_export)
[INFO] [stderr]    Compiling union v0.1.7 (/opt/rustwide/workdir/union)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 21.67s
[INFO] running `Command { std: "docker" "inspect" "de4713fb09c86029dc956499c58a9a46555c6755b9effb4c5b72333b12689408", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "de4713fb09c86029dc956499c58a9a46555c6755b9effb4c5b72333b12689408", kill_on_drop: false }`
[INFO] [stdout] de4713fb09c86029dc956499c58a9a46555c6755b9effb4c5b72333b12689408
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-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" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-08-01" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 07b5e403fa0693f044d133ac142646c6755246b66d71a20363f9bc3684d760a1
[INFO] running `Command { std: "docker" "start" "-a" "07b5e403fa0693f044d133ac142646c6755246b66d71a20363f9bc3684d760a1", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.62
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[INFO] [stderr]    Compiling slab v0.4.2
[INFO] [stderr]    Compiling futures-sink-preview v0.3.0-alpha.19
[INFO] [stderr]    Compiling pin-utils v0.1.0-alpha.4
[INFO] [stderr]    Compiling futures-io-preview v0.3.0-alpha.19
[INFO] [stderr]    Compiling pin-project-internal v0.4.2
[INFO] [stderr]    Compiling arrayvec v0.4.12
[INFO] [stderr]    Compiling fnv v1.0.6
[INFO] [stderr]    Compiling rand_core v0.4.2
[INFO] [stderr]    Compiling smallvec v0.6.10
[INFO] [stderr]    Compiling nodrop v0.1.14
[INFO] [stderr]    Compiling pkg-config v0.3.16
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[INFO] [stderr]    Compiling tower-service v0.3.0-alpha.2
[INFO] [stderr]    Compiling ppv-lite86 v0.2.5
[INFO] [stderr]    Compiling encoding_rs v0.8.20
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[INFO] [stderr]    Compiling union_export v0.1.3 (/opt/rustwide/workdir/union_export)
[INFO] [stderr]    Compiling unicase v2.5.1
[INFO] [stderr]    Compiling union_impl v0.1.3 (/opt/rustwide/workdir/union_impl)
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[INFO] [stderr]    Compiling reqwest v0.10.0-alpha.1
[INFO] [stderr]    Compiling union v0.1.7 (/opt/rustwide/workdir/union)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 56.80s
[INFO] running `Command { std: "docker" "inspect" "07b5e403fa0693f044d133ac142646c6755246b66d71a20363f9bc3684d760a1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "07b5e403fa0693f044d133ac142646c6755246b66d71a20363f9bc3684d760a1", kill_on_drop: false }`
[INFO] [stdout] 07b5e403fa0693f044d133ac142646c6755246b66d71a20363f9bc3684d760a1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-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" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-08-01" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] e9d486cfc39a78cfbdeca61eb690ea283da052132d4fab04dc714363edfd8ff3
[INFO] running `Command { std: "docker" "start" "-a" "e9d486cfc39a78cfbdeca61eb690ea283da052132d4fab04dc714363edfd8ff3", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.21s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/union-43888ebbd6619eed)
[INFO] [stdout] 
[INFO] [stderr]      Running tests/union.rs (/opt/rustwide/target/debug/deps/union-60dc84f1158a37b6)
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 7 tests
[INFO] [stdout] test union_tests::it_produces_n_branches_with_length_1 ... ok
[INFO] [stdout] test union_tests::it_produces_single_value ... ok
[INFO] [stdout] test union_tests::it_produces_tuple ... ok
[INFO] [stdout] test union_tests::it_tests_handler_behaviour ... ok
[INFO] [stderr]      Running tests/union_async.rs (/opt/rustwide/target/debug/deps/union_async-84c48d0d98039b55)
[INFO] [stdout] test union_tests::it_tests_steps ... ok
[INFO] [stdout] test union_tests::it_produces_n_branches_with_any_length ... ok
[INFO] [stdout] test union_tests::it_produces_n_branches_with_any_length_using_combinators ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 7 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 10 tests
[INFO] [stdout] test union_async_tests::it_creates_unpolled_future ... ok
[INFO] [stdout] test union_async_tests::it_produces_n_branches_with_any_length ... ok
[INFO] [stdout] test union_async_tests::it_produces_n_branches_with_any_length_using_combinators ... ok
[INFO] [stdout] test union_async_tests::it_produces_n_branches_with_length_1 ... ok
[INFO] [stdout] test union_async_tests::it_tests_handler_behaviour ... ok
[INFO] [stdout] test union_async_tests::it_tests_steps ... ok
[INFO] [stdout] test union_async_tests::it_produces_tuple ... ok
[INFO] [stdout] test union_async_tests::it_produces_single_value ... ok
[INFO] [stdout] test union_async_tests::it_tests_readme_demo_async_behaviour_and_requires_internet_connection ... FAILED
[INFO] [stdout] test union_async_tests::it_checks_mutli_threading ... ok
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout] 
[INFO] [stdout] ---- union_async_tests::it_tests_readme_demo_async_behaviour_and_requires_internet_connection stdout ----
[INFO] [stdout] Hello.
[INFO] [stdout] This's is the game where winner is the player, which value is the closest to the maximum link count found on one of random pages.
[INFO] [stdout] You play against random generator (0-500).
[INFO] [stdout] Please, enter number
[INFO] [stdout] thread 'union_async_tests::it_tests_readme_demo_async_behaviour_and_requires_internet_connection' panicked at 'called `Result::unwrap()` on an `Err` value: ErrorMessage { msg: "Error retrieving pages to calculate links: reqwest::Error {\n    kind: Request,\n    url: \"https://en.wikipedia.org/w/api.php?format=json&action=query&generator=random&grnnamespace=0&prop=revisions|images&rvprop=content&grnlimit=100\",\n    source: Error(\n        Connect,\n        Custom {\n            kind: Uncategorized,\n            error: \"failed to lookup address information: Temporary failure in name resolution\",\n        },\n    ),\n}" }
[INFO] [stdout] 
[INFO] [stdout] stack backtrace:
[INFO] [stdout]    0: failure::backtrace::internal::InternalBacktrace::new
[INFO] [stdout]              at /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/failure-0.1.6/src/backtrace/internal.rs:46
[INFO] [stdout]    1: failure::backtrace::Backtrace::new
[INFO] [stdout]              at /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/failure-0.1.6/src/backtrace/mod.rs:121
[INFO] [stdout]    2: <failure::error::error_impl::ErrorImpl as core::convert::From<F>>::from
[INFO] [stdout]              at /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/failure-0.1.6/src/error/error_impl.rs:19
[INFO] [stdout]    3: <failure::error::Error as core::convert::From<F>>::from
[INFO] [stdout]              at /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/failure-0.1.6/src/error/mod.rs:36
[INFO] [stdout]    4: failure::error_message::err_msg
[INFO] [stdout]              at /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/failure-0.1.6/src/error_message.rs:12
[INFO] [stdout]    5: union_async::union_async_tests::it_tests_readme_demo_async_behaviour_and_requires_internet_connection::{{closure}}::{{closure}}::{{closure}}
[INFO] [stdout]              at union/tests/union_async.rs:444
[INFO] [stdout]    6: core::result::Result<T,E>::map_err
[INFO] [stdout]              at /rustc/53fd98ca776cb875bc9e5514f56b52eb74f9e7a9/library/core/src/result.rs:835
[INFO] [stdout]    7: <futures_util::try_future::map_err::MapErr<Fut,F> as core::future::future::Future>::poll::{{closure}}
[INFO] [stdout]              at /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/futures-util-preview-0.3.0-alpha.19/src/try_future/map_err.rs:49
[INFO] [stdout]    8: core::task::poll::Poll<T>::map
[INFO] [stdout]              at /rustc/53fd98ca776cb875bc9e5514f56b52eb74f9e7a9/library/core/src/task/poll.rs:50
[INFO] [stdout]    9: <futures_util::try_future::map_err::MapErr<Fut,F> as core::future::future::Future>::poll
[INFO] [stdout]              at /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/futures-util-preview-0.3.0-alpha.19/src/try_future/map_err.rs:43
[INFO] [stdout]   10: <F as futures_core::future::TryFuture>::try_poll
[INFO] [stdout]              at /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/futures-core-preview-0.3.0-alpha.19/src/future/mod.rs:86
[INFO] [stdout]   11: futures_util::try_future::try_chain::TryChain<Fut1,Fut2,Data>::poll
[INFO] [stdout]              at /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/futures-util-preview-0.3.0-alpha.19/src/try_future/try_chain.rs:53
[INFO] [stdout]   12: <futures_util::try_future::and_then::AndThen<Fut1,Fut2,F> as core::future::future::Future>::poll
[INFO] [stdout]              at /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/futures-util-preview-0.3.0-alpha.19/src/try_future/and_then.rs:46
[INFO] [stdout]   13: <futures_util::future::maybe_done::MaybeDone<Fut> as core::future::future::Future>::poll
[INFO] [stdout]              at /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/futures-util-preview-0.3.0-alpha.19/src/future/maybe_done.rs:96
[INFO] [stdout]   14: union_async::union_async_tests::it_tests_readme_demo_async_behaviour_and_requires_internet_connection::{{closure}}::{{closure}}::{{closure}}
[INFO] [stdout]              at union/tests/union_async.rs:421
[INFO] [stdout]   15: <futures_util::future::poll_fn::PollFn<F> as core::future::future::Future>::poll
[INFO] [stdout]              at /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/futures-util-preview-0.3.0-alpha.19/src/future/poll_fn.rs:54
[INFO] [stdout]   16: union_async::union_async_tests::it_tests_readme_demo_async_behaviour_and_requires_internet_connection::{{closure}}::{{closure}}
[INFO] [stdout]              at src/lib.rs:609
[INFO] [stdout]   17: <core::future::from_generator::GenFuture<T> as core::future::future::Future>::poll
[INFO] [stdout]              at /rustc/53fd98ca776cb875bc9e5514f56b52eb74f9e7a9/library/core/src/future/mod.rs:80
[INFO] [stdout]   18: union_async::union_async_tests::it_tests_readme_demo_async_behaviour_and_requires_internet_connection::{{closure}}
[INFO] [stdout]              at union/tests/union_async.rs:516
[INFO] [stdout]   19: <core::future::from_generator::GenFuture<T> as core::future::future::Future>::poll
[INFO] [stdout]              at /rustc/53fd98ca776cb875bc9e5514f56b52eb74f9e7a9/library/core/src/future/mod.rs:80
[INFO] [stdout]   20: tokio_executor::enter::Enter::block_on
[INFO] [stdout]              at /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/tokio-executor-0.2.0-alpha.6/src/enter.rs:118
[INFO] [stdout]   21: tokio::runtime::threadpool::Runtime::block_on::{{closure}}::{{closure}}
[INFO] [stdout]              at /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/tokio-0.2.0-alpha.6/src/runtime/threadpool/mod.rs:178
[INFO] [stdout]   22: tracing_core::dispatcher::with_default
[INFO] [stdout]              at /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/tracing-core-0.1.6/src/dispatcher.rs:225
[INFO] [stdout]   23: tokio::runtime::threadpool::Runtime::block_on::{{closure}}
[INFO] [stdout]              at /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/tokio-0.2.0-alpha.6/src/runtime/threadpool/mod.rs:177
[INFO] [stdout]   24: tokio_executor::global::with_default::{{closure}}
[INFO] [stdout]              at /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/tokio-executor-0.2.0-alpha.6/src/global.rs:173
[INFO] [stdout]   25: std::thread::local::LocalKey<T>::try_with
[INFO] [stdout]              at /rustc/53fd98ca776cb875bc9e5514f56b52eb74f9e7a9/library/std/src/thread/local.rs:399
[INFO] [stdout]   26: std::thread::local::LocalKey<T>::with
[INFO] [stdout]              at /rustc/53fd98ca776cb875bc9e5514f56b52eb74f9e7a9/library/std/src/thread/local.rs:375
[INFO] [stdout]   27: tokio_executor::global::with_default
[INFO] [stdout]              at /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/tokio-executor-0.2.0-alpha.6/src/global.rs:147
[INFO] [stdout]   28: tokio::runtime::threadpool::Runtime::block_on
[INFO] [stdout]              at /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/tokio-0.2.0-alpha.6/src/runtime/threadpool/mod.rs:174
[INFO] [stdout]   29: union_async::union_async_tests::it_tests_readme_demo_async_behaviour_and_requires_internet_connection
[INFO] [stdout]              at union/tests/union_async.rs:406
[INFO] [stdout]   30: union_async::union_async_tests::it_tests_readme_demo_async_behaviour_and_requires_internet_connection::{{closure}}
[INFO] [stdout]              at union/tests/union_async.rs:365
[INFO] [stdout]   31: core::ops::function::FnOnce::call_once
[INFO] [stdout]              at /rustc/53fd98ca776cb875bc9e5514f56b52eb74f9e7a9/library/core/src/ops/function.rs:227
[INFO] [stdout]   32: core::ops::function::FnOnce::call_once
[INFO] [stdout]              at /rustc/53fd98ca776cb875bc9e5514f56b52eb74f9e7a9/library/core/src/ops/function.rs:227
[INFO] [stdout]       test::__rust_begin_short_backtrace
[INFO] [stdout]              at library/test/src/lib.rs:578
[INFO] [stdout]   33: <alloc::boxed::Box<F,A> as core::ops::function::FnOnce<Args>>::call_once
[INFO] [stdout]              at /rustc/53fd98ca776cb875bc9e5514f56b52eb74f9e7a9/library/alloc/src/boxed.rs:1572
[INFO] [stdout]       <std::panic::AssertUnwindSafe<F> as core::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]              at /rustc/53fd98ca776cb875bc9e5514f56b52eb74f9e7a9/library/std/src/panic.rs:347
[INFO] [stdout]       std::panicking::try::do_call
[INFO] [stdout]              at /rustc/53fd98ca776cb875bc9e5514f56b52eb74f9e7a9/library/std/src/panicking.rs:401
[INFO] [stdout]       std::panicking::try
[INFO] [stdout]              at /rustc/53fd98ca776cb875bc9e5514f56b52eb74f9e7a9/library/std/src/panicking.rs:365
[INFO] [stdout]       std::panic::catch_unwind
[INFO] [stdout]              at /rustc/53fd98ca776cb875bc9e5514f56b52eb74f9e7a9/library/std/src/panic.rs:434
[INFO] [stdout]       test::run_test_in_process
[INFO] [stdout]              at library/test/src/lib.rs:601
[INFO] [stdout]       test::run_test::run_test_inner::{{closure}}
[INFO] [stdout]              at library/test/src/lib.rs:493
[INFO] [stdout]   34: test::run_test::run_test_inner::{{closure}}
[INFO] [stdout]              at library/test/src/lib.rs:520
[INFO] [stdout]       std::sys_common::backtrace::__rust_begin_short_backtrace
[INFO] [stdout]              at /rustc/53fd98ca776cb875bc9e5514f56b52eb74f9e7a9/library/std/src/sys_common/backtrace.rs:125
[INFO] [stdout]   35: std::thread::Builder::spawn_unchecked::{{closure}}::{{closure}}
[INFO] [stdout]              at /rustc/53fd98ca776cb875bc9e5514f56b52eb74f9e7a9/library/std/src/thread/mod.rs:476
[INFO] [stdout]       <std::panic::AssertUnwindSafe<F> as core::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]              at /rustc/53fd98ca776cb875bc9e5514f56b52eb74f9e7a9/library/std/src/panic.rs:347
[INFO] [stdout]       std::panicking::try::do_call
[INFO] [stdout]              at /rustc/53fd98ca776cb875bc9e5514f56b52eb74f9e7a9/library/std/src/panicking.rs:401
[INFO] [stdout]       std::panicking::try
[INFO] [stdout]              at /rustc/53fd98ca776cb875bc9e5514f56b52eb74f9e7a9/library/std/src/panicking.rs:365
[INFO] [stdout]       std::panic::catch_unwind
[INFO] [stdout]              at /rustc/53fd98ca776cb875bc9e5514f56b52eb74f9e7a9/library/std/src/panic.rs:434
[INFO] [stdout]       std::thread::Builder::spawn_unchecked::{{closure}}
[INFO] [stdout]              at /rustc/53fd98ca776cb875bc9e5514f56b52eb74f9e7a9/library/std/src/thread/mod.rs:475
[INFO] [stdout]       core::ops::function::FnOnce::call_once{{vtable.shim}}
[INFO] [stdout]              at /rustc/53fd98ca776cb875bc9e5514f56b52eb74f9e7a9/library/core/src/ops/function.rs:227
[INFO] [stdout]   36: <alloc::boxed::Box<F,A> as core::ops::function::FnOnce<Args>>::call_once
[INFO] [stdout]              at /rustc/53fd98ca776cb875bc9e5514f56b52eb74f9e7a9/library/alloc/src/boxed.rs:1572
[INFO] [stdout]       <alloc::boxed::Box<F,A> as core::ops::function::FnOnce<Args>>::call_once
[INFO] [stdout]              at /rustc/53fd98ca776cb875bc9e5514f56b52eb74f9e7a9/library/alloc/src/boxed.rs:1572
[INFO] [stdout]       std::sys::unix::thread::Thread::new::thread_start
[INFO] [stdout]              at library/std/src/sys/unix/thread.rs:74
[INFO] [stdout]   37: start_thread
[INFO] [stdout]   38: __clone
[INFO] [stdout] ', union/tests/union_async.rs:528:15
[INFO] [stdout] stack backtrace:
[INFO] [stdout]    0:     0x559747c8a7b0 - std::backtrace_rs::backtrace::libunwind::trace::hff4d1766e93f64f1
[INFO] [stdout]                                at /rustc/53fd98ca776cb875bc9e5514f56b52eb74f9e7a9/library/std/src/../../backtrace/src/backtrace/libunwind.rs:90:5
[INFO] [stdout]    1:     0x559747c8a7b0 - std::backtrace_rs::backtrace::trace_unsynchronized::h56bbc8eb78770bcb
[INFO] [stdout]                                at /rustc/53fd98ca776cb875bc9e5514f56b52eb74f9e7a9/library/std/src/../../backtrace/src/backtrace/mod.rs:66:5
[INFO] [stdout]    2:     0x559747c8a7b0 - std::sys_common::backtrace::_print_fmt::h5c8e75464faca780
[INFO] [stdout]                                at /rustc/53fd98ca776cb875bc9e5514f56b52eb74f9e7a9/library/std/src/sys_common/backtrace.rs:67:5
[INFO] [stdout]    3:     0x559747c8a7b0 - <std::sys_common::backtrace::_print::DisplayBacktrace as core::fmt::Display>::fmt::h48b88277def8b362
[INFO] [stdout]                                at /rustc/53fd98ca776cb875bc9e5514f56b52eb74f9e7a9/library/std/src/sys_common/backtrace.rs:46:22
[INFO] [stdout]    4:     0x559747cad93c - core::fmt::write::h3381b3176fe2b3d3
[INFO] [stdout]                                at /rustc/53fd98ca776cb875bc9e5514f56b52eb74f9e7a9/library/core/src/fmt/mod.rs:1115:17
[INFO] [stdout]    5:     0x559747c84295 - std::io::Write::write_fmt::h5f34a676f60246b5
[INFO] [stdout]                                at /rustc/53fd98ca776cb875bc9e5514f56b52eb74f9e7a9/library/std/src/io/mod.rs:1665:15
[INFO] [stdout]    6:     0x559747c8c97b - std::sys_common::backtrace::_print::ha537687d6c17dd0d
[INFO] [stdout]                                at /rustc/53fd98ca776cb875bc9e5514f56b52eb74f9e7a9/library/std/src/sys_common/backtrace.rs:49:5
[INFO] [stdout]    7:     0x559747c8c97b - std::sys_common::backtrace::print::h61376ae57d131d72
[INFO] [stdout]                                at /rustc/53fd98ca776cb875bc9e5514f56b52eb74f9e7a9/library/std/src/sys_common/backtrace.rs:36:9
[INFO] [stdout]    8:     0x559747c8c97b - std::panicking::default_hook::{{closure}}::h0f7208c0b9644a54
[INFO] [stdout]                                at /rustc/53fd98ca776cb875bc9e5514f56b52eb74f9e7a9/library/std/src/panicking.rs:208:50
[INFO] [stdout]    9:     0x559747c8c48c - std::panicking::default_hook::hdac7fc06578c14ce
[INFO] [stdout]                                at /rustc/53fd98ca776cb875bc9e5514f56b52eb74f9e7a9/library/std/src/panicking.rs:222:9
[INFO] [stdout]   10:     0x559747c8d044 - std::panicking::rust_panic_with_hook::h72b21c283da3d1ef
[INFO] [stdout]                                at /rustc/53fd98ca776cb875bc9e5514f56b52eb74f9e7a9/library/std/src/panicking.rs:622:17
[INFO] [stdout]   11:     0x559747c8cb27 - std::panicking::begin_panic_handler::{{closure}}::he5778f1729cff84a
[INFO] [stdout]                                at /rustc/53fd98ca776cb875bc9e5514f56b52eb74f9e7a9/library/std/src/panicking.rs:519:13
[INFO] [stdout]   12:     0x559747c8ac8c - std::sys_common::backtrace::__rust_end_short_backtrace::h2d11ca8b453b4b1d
[INFO] [stdout]                                at /rustc/53fd98ca776cb875bc9e5514f56b52eb74f9e7a9/library/std/src/sys_common/backtrace.rs:141:18
[INFO] [stdout]   13:     0x559747c8ca89 - rust_begin_unwind
[INFO] [stdout]                                at /rustc/53fd98ca776cb875bc9e5514f56b52eb74f9e7a9/library/std/src/panicking.rs:515:5
[INFO] [stdout]   14:     0x55974773aae1 - core::panicking::panic_fmt::hf9de31d4acbce4db
[INFO] [stdout]                                at /rustc/53fd98ca776cb875bc9e5514f56b52eb74f9e7a9/library/core/src/panicking.rs:92:14
[INFO] [stdout]   15:     0x55974773abd3 - core::result::unwrap_failed::ha0c84e81219e5878
[INFO] [stdout]                                at /rustc/53fd98ca776cb875bc9e5514f56b52eb74f9e7a9/library/core/src/result.rs:1599:5
[INFO] [stdout]   16:     0x55974778cc89 - core::result::Result<T,E>::unwrap::h475d11efcfcd1ea7
[INFO] [stdout]                                at /rustc/53fd98ca776cb875bc9e5514f56b52eb74f9e7a9/library/core/src/result.rs:1281:23
[INFO] [stdout]   17:     0x55974775d2a7 - union_async::union_async_tests::it_tests_readme_demo_async_behaviour_and_requires_internet_connection::{{closure}}::he347499d635b81b5
[INFO] [stdout]                                at /opt/rustwide/workdir/union/tests/union_async.rs:516:21
[INFO] [stdout]   18:     0x5597477a5ebb - <core::future::from_generator::GenFuture<T> as core::future::future::Future>::poll::ha20e6197a47c058a
[INFO] [stdout]                                at /rustc/53fd98ca776cb875bc9e5514f56b52eb74f9e7a9/library/core/src/future/mod.rs:80:19
[INFO] [stdout]   19:     0x5597477b31df - tokio_executor::enter::Enter::block_on::h4d834c55a4e27cc3
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/tokio-executor-0.2.0-alpha.6/src/enter.rs:118:31
[INFO] [stdout]   20:     0x5597477b9372 - tokio::runtime::threadpool::Runtime::block_on::{{closure}}::{{closure}}::h5857622a8f9c42f5
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/tokio-0.2.0-alpha.6/src/runtime/threadpool/mod.rs:178:17
[INFO] [stdout]   21:     0x559747789cc6 - tracing_core::dispatcher::with_default::h49ad03bbe000ccc3
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/tracing-core-0.1.6/src/dispatcher.rs:225:5
[INFO] [stdout]   22:     0x5597477b92c7 - tokio::runtime::threadpool::Runtime::block_on::{{closure}}::h3f1ed0b448ad00d7
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/tokio-0.2.0-alpha.6/src/runtime/threadpool/mod.rs:177:13
[INFO] [stdout]   23:     0x559747786bf0 - tokio_executor::global::with_default::{{closure}}::h55f127bab52d113f
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/tokio-executor-0.2.0-alpha.6/src/global.rs:173:9
[INFO] [stdout]   24:     0x55974777e70a - std::thread::local::LocalKey<T>::try_with::h0079ba2a7edb871f
[INFO] [stdout]                                at /rustc/53fd98ca776cb875bc9e5514f56b52eb74f9e7a9/library/std/src/thread/local.rs:399:16
[INFO] [stdout]   25:     0x55974777e390 - std::thread::local::LocalKey<T>::with::h35d66b6399e35960
[INFO] [stdout]                                at /rustc/53fd98ca776cb875bc9e5514f56b52eb74f9e7a9/library/std/src/thread/local.rs:375:9
[INFO] [stdout]   26:     0x559747786a87 - tokio_executor::global::with_default::h354dcb36daebe827
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/tokio-executor-0.2.0-alpha.6/src/global.rs:147:5
[INFO] [stdout]   27:     0x5597477b9182 - tokio::runtime::threadpool::Runtime::block_on::hf8509d51b5dc156f
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/tokio-0.2.0-alpha.6/src/runtime/threadpool/mod.rs:174:9
[INFO] [stdout]   28:     0x559747759c85 - union_async::union_async_tests::it_tests_readme_demo_async_behaviour_and_requires_internet_connection::hf0666fa7a9f0b8b9
[INFO] [stdout]                                at /opt/rustwide/workdir/union/tests/union_async.rs:406:9
[INFO] [stdout]   29:     0x559747759c1a - union_async::union_async_tests::it_tests_readme_demo_async_behaviour_and_requires_internet_connection::{{closure}}::h8a2bb19467439b98
[INFO] [stdout]                                at /opt/rustwide/workdir/union/tests/union_async.rs:365:5
[INFO] [stdout]   30:     0x5597477a8bde - core::ops::function::FnOnce::call_once::h495c91e259f40add
[INFO] [stdout]                                at /rustc/53fd98ca776cb875bc9e5514f56b52eb74f9e7a9/library/core/src/ops/function.rs:227:5
[INFO] [stdout]   31:     0x559747c406d3 - core::ops::function::FnOnce::call_once::hbb52c4519d3137b0
[INFO] [stdout]                                at /rustc/53fd98ca776cb875bc9e5514f56b52eb74f9e7a9/library/core/src/ops/function.rs:227:5
[INFO] [stdout]   32:     0x559747c406d3 - test::__rust_begin_short_backtrace::h86fe3a2a5a5121af
[INFO] [stdout]                                at /rustc/53fd98ca776cb875bc9e5514f56b52eb74f9e7a9/library/test/src/lib.rs:578:5
[INFO] [stdout]   33:     0x559747c3f188 - <alloc::boxed::Box<F,A> as core::ops::function::FnOnce<Args>>::call_once::hfd956bc3d57399be
[INFO] [stdout]                                at /rustc/53fd98ca776cb875bc9e5514f56b52eb74f9e7a9/library/alloc/src/boxed.rs:1572:9
[INFO] [stdout]   34:     0x559747c3f188 - <std::panic::AssertUnwindSafe<F> as core::ops::function::FnOnce<()>>::call_once::h40dc93e0ddb5938a
[INFO] [stdout]                                at /rustc/53fd98ca776cb875bc9e5514f56b52eb74f9e7a9/library/std/src/panic.rs:347:9
[INFO] [stdout]   35:     0x559747c3f188 - std::panicking::try::do_call::h90d07750cb47c562
[INFO] [stdout]                                at /rustc/53fd98ca776cb875bc9e5514f56b52eb74f9e7a9/library/std/src/panicking.rs:401:40
[INFO] [stdout]   36:     0x559747c3f188 - std::panicking::try::h063c84733ad2a629
[INFO] [stdout]                                at /rustc/53fd98ca776cb875bc9e5514f56b52eb74f9e7a9/library/std/src/panicking.rs:365:19
[INFO] [stdout]   37:     0x559747c3f188 - std::panic::catch_unwind::h0c464836a84e7c08
[INFO] [stdout]                                at /rustc/53fd98ca776cb875bc9e5514f56b52eb74f9e7a9/library/std/src/panic.rs:434:14
[INFO] [stdout]   38:     0x559747c3f188 - test::run_test_in_process::h5cb06ef620b157fc
[INFO] [stdout]                                at /rustc/53fd98ca776cb875bc9e5514f56b52eb74f9e7a9/library/test/src/lib.rs:601:18
[INFO] [stdout]   39:     0x559747c3f188 - test::run_test::run_test_inner::{{closure}}::h76f677f4b93f9828
[INFO] [stdout]                                at /rustc/53fd98ca776cb875bc9e5514f56b52eb74f9e7a9/library/test/src/lib.rs:493:39
[INFO] [stdout]   40:     0x559747c0d91d - test::run_test::run_test_inner::{{closure}}::h366d01fe04f4d67a
[INFO] [stdout]                                at /rustc/53fd98ca776cb875bc9e5514f56b52eb74f9e7a9/library/test/src/lib.rs:520:37
[INFO] [stdout]   41:     0x559747c0d91d - std::sys_common::backtrace::__rust_begin_short_backtrace::h7dfa0de4eb395af2
[INFO] [stdout]                                at /rustc/53fd98ca776cb875bc9e5514f56b52eb74f9e7a9/library/std/src/sys_common/backtrace.rs:125:18
[INFO] [stdout]   42:     0x559747c120e8 - std::thread::Builder::spawn_unchecked::{{closure}}::{{closure}}::hf0a74bb58798037f
[INFO] [stdout]                                at /rustc/53fd98ca776cb875bc9e5514f56b52eb74f9e7a9/library/std/src/thread/mod.rs:476:17
[INFO] [stdout]   43:     0x559747c120e8 - <std::panic::AssertUnwindSafe<F> as core::ops::function::FnOnce<()>>::call_once::hb024e854818586ac
[INFO] [stdout]                                at /rustc/53fd98ca776cb875bc9e5514f56b52eb74f9e7a9/library/std/src/panic.rs:347:9
[INFO] [stdout]   44:     0x559747c120e8 - std::panicking::try::do_call::hb2dd9f1d0d48e41d
[INFO] [stdout]                                at /rustc/53fd98ca776cb875bc9e5514f56b52eb74f9e7a9/library/std/src/panicking.rs:401:40
[INFO] [stdout]   45:     0x559747c120e8 - std::panicking::try::h4717ae7bac8b2bf3
[INFO] [stdout]                                at /rustc/53fd98ca776cb875bc9e5514f56b52eb74f9e7a9/library/std/src/panicking.rs:365:19
[INFO] [stdout]   46:     0x559747c120e8 - std::panic::catch_unwind::h0dc8a061326ce8d8
[INFO] [stdout]                                at /rustc/53fd98ca776cb875bc9e5514f56b52eb74f9e7a9/library/std/src/panic.rs:434:14
[INFO] [stdout]   47:     0x559747c120e8 - std::thread::Builder::spawn_unchecked::{{closure}}::haa369e2d6fd00aa1
[INFO] [stdout]                                at /rustc/53fd98ca776cb875bc9e5514f56b52eb74f9e7a9/library/std/src/thread/mod.rs:475:30
[INFO] [stdout]   48:     0x559747c120e8 - core::ops::function::FnOnce::call_once{{vtable.shim}}::h36dcf3de8b056f17
[INFO] [stdout]                                at /rustc/53fd98ca776cb875bc9e5514f56b52eb74f9e7a9/library/core/src/ops/function.rs:227:5
[INFO] [stdout]   49:     0x559747c92437 - <alloc::boxed::Box<F,A> as core::ops::function::FnOnce<Args>>::call_once::h65c29e4642be2358
[INFO] [stdout]                                at /rustc/53fd98ca776cb875bc9e5514f56b52eb74f9e7a9/library/alloc/src/boxed.rs:1572:9
[INFO] [stdout]   50:     0x559747c92437 - <alloc::boxed::Box<F,A> as core::ops::function::FnOnce<Args>>::call_once::hd0f8f7fbbd9fffbf
[INFO] [stdout]                                at /rustc/53fd98ca776cb875bc9e5514f56b52eb74f9e7a9/library/alloc/src/boxed.rs:1572:9
[INFO] [stdout]   51:     0x559747c92437 - std::sys::unix::thread::Thread::new::thread_start::h2fd22fee3ca77b65
[INFO] [stdout]                                at /rustc/53fd98ca776cb875bc9e5514f56b52eb74f9e7a9/library/std/src/sys/unix/thread.rs:74:17
[INFO] [stdout]   52:     0x7fde47095609 - start_thread
[INFO] [stdout]   53:     0x7fde46e65293 - clone
[INFO] [stdout]   54:                0x0 - <unknown>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout]     union_async_tests::it_tests_readme_demo_async_behaviour_and_requires_internet_connection
[INFO] [stdout] 
[INFO] [stdout] test result: FAILED. 9 passed; 1 failed; 0 ignored; 0 measured; 0 filtered out; finished in 3.00s
[INFO] [stdout] 
[INFO] [stderr] error: test failed, to rerun pass '-p union --test union_async'
[INFO] running `Command { std: "docker" "inspect" "e9d486cfc39a78cfbdeca61eb690ea283da052132d4fab04dc714363edfd8ff3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e9d486cfc39a78cfbdeca61eb690ea283da052132d4fab04dc714363edfd8ff3", kill_on_drop: false }`
[INFO] [stdout] e9d486cfc39a78cfbdeca61eb690ea283da052132d4fab04dc714363edfd8ff3
