[INFO] fetching crate narwhal 0.3.0...
[INFO] testing narwhal-0.3.0 against beta-2020-06-03 for beta-1.45-1
[INFO] extracting crate narwhal 0.3.0 into /workspace/builds/worker-7/source
[INFO] validating manifest of crates.io crate narwhal 0.3.0 on toolchain beta-2020-06-03
[INFO] running `"/workspace/cargo-home/bin/cargo" "+beta-2020-06-03" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking crates.io crate narwhal 0.3.0
[INFO] finished tweaking crates.io crate narwhal 0.3.0
[INFO] tweaked toml for crates.io crate narwhal 0.3.0 written to /workspace/builds/worker-7/source/Cargo.toml
[INFO] running `"/workspace/cargo-home/bin/cargo" "+beta-2020-06-03" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/workspace/cargo-home/bin/cargo" "+beta-2020-06-03" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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" "MAP_USER_ID=0" "-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-2020-06-03" "build" "--frozen"`
[INFO] [stdout] b49285cacc718a6b65d009c6d4efccc77f40eb84157170e9ceaeccbeaa5a714e
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `"docker" "start" "-a" "b49285cacc718a6b65d009c6d4efccc77f40eb84157170e9ceaeccbeaa5a714e"`
[INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted
[INFO] [stderr]    Compiling error-chain v0.11.0
[INFO] [stderr]    Compiling narwhal v0.3.0 (/opt/rustwide/workdir)
[INFO] [stderr] warning: use of deprecated item 'std::error::Error::description': use the Display impl or to_string()
[INFO] [stderr]  --> src/errors.rs:2:1
[INFO] [stderr]   |
[INFO] [stderr] 2 | / error_chain!{
[INFO] [stderr] 3 | |     foreign_links {
[INFO] [stderr] 4 | |         Io(::std::io::Error) #[cfg(unix)];
[INFO] [stderr] 5 | |     }
[INFO] [stderr] 6 | | }
[INFO] [stderr]   | |_^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(deprecated)]` on by default
[INFO] [stderr]   = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'std::error::Error::cause': replaced by Error::source, which can support downcasting
[INFO] [stderr]  --> src/errors.rs:2:1
[INFO] [stderr]   |
[INFO] [stderr] 2 | / error_chain!{
[INFO] [stderr] 3 | |     foreign_links {
[INFO] [stderr] 4 | |         Io(::std::io::Error) #[cfg(unix)];
[INFO] [stderr] 5 | |     }
[INFO] [stderr] 6 | | }
[INFO] [stderr]   | |_^
[INFO] [stderr]   |
[INFO] [stderr]   = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: 2 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.55s
[INFO] running `"docker" "inspect" "b49285cacc718a6b65d009c6d4efccc77f40eb84157170e9ceaeccbeaa5a714e"`
[INFO] running `"docker" "rm" "-f" "b49285cacc718a6b65d009c6d4efccc77f40eb84157170e9ceaeccbeaa5a714e"`
[INFO] [stdout] b49285cacc718a6b65d009c6d4efccc77f40eb84157170e9ceaeccbeaa5a714e
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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" "MAP_USER_ID=0" "-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-2020-06-03" "test" "--frozen" "--no-run"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] cb2a481aeb32a171446b93b9b9e611c819034ce165cc3c185496709ad9a2bd66
[INFO] running `"docker" "start" "-a" "cb2a481aeb32a171446b93b9b9e611c819034ce165cc3c185496709ad9a2bd66"`
[INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted
[INFO] [stderr]    Compiling narwhal v0.3.0 (/opt/rustwide/workdir)
[INFO] [stderr] warning: use of deprecated item 'std::error::Error::description': use the Display impl or to_string()
[INFO] [stderr]  --> src/errors.rs:2:1
[INFO] [stderr]   |
[INFO] [stderr] 2 | / error_chain!{
[INFO] [stderr] 3 | |     foreign_links {
[INFO] [stderr] 4 | |         Io(::std::io::Error) #[cfg(unix)];
[INFO] [stderr] 5 | |     }
[INFO] [stderr] 6 | | }
[INFO] [stderr]   | |_^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(deprecated)]` on by default
[INFO] [stderr]   = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'std::error::Error::cause': replaced by Error::source, which can support downcasting
[INFO] [stderr]  --> src/errors.rs:2:1
[INFO] [stderr]   |
[INFO] [stderr] 2 | / error_chain!{
[INFO] [stderr] 3 | |     foreign_links {
[INFO] [stderr] 4 | |         Io(::std::io::Error) #[cfg(unix)];
[INFO] [stderr] 5 | |     }
[INFO] [stderr] 6 | | }
[INFO] [stderr]   | |_^
[INFO] [stderr]   |
[INFO] [stderr]   = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: 2 warnings emitted
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'std::error::Error::description': use the Display impl or to_string()
[INFO] [stderr]  --> src/errors.rs:2:1
[INFO] [stderr]   |
[INFO] [stderr] 2 | / error_chain!{
[INFO] [stderr] 3 | |     foreign_links {
[INFO] [stderr] 4 | |         Io(::std::io::Error) #[cfg(unix)];
[INFO] [stderr] 5 | |     }
[INFO] [stderr] 6 | | }
[INFO] [stderr]   | |_^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(deprecated)]` on by default
[INFO] [stderr]   = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'std::error::Error::cause': replaced by Error::source, which can support downcasting
[INFO] [stderr]  --> src/errors.rs:2:1
[INFO] [stderr]   |
[INFO] [stderr] 2 | / error_chain!{
[INFO] [stderr] 3 | |     foreign_links {
[INFO] [stderr] 4 | |         Io(::std::io::Error) #[cfg(unix)];
[INFO] [stderr] 5 | |     }
[INFO] [stderr] 6 | | }
[INFO] [stderr]   | |_^
[INFO] [stderr]   |
[INFO] [stderr]   = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: 2 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 4.04s
[INFO] running `"docker" "inspect" "cb2a481aeb32a171446b93b9b9e611c819034ce165cc3c185496709ad9a2bd66"`
[INFO] running `"docker" "rm" "-f" "cb2a481aeb32a171446b93b9b9e611c819034ce165cc3c185496709ad9a2bd66"`
[INFO] [stdout] cb2a481aeb32a171446b93b9b9e611c819034ce165cc3c185496709ad9a2bd66
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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" "MAP_USER_ID=0" "-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-2020-06-03" "test" "--frozen"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 4735ae9a4a414f953a08fa04e356f06a84e5b7cd325dd57d9c1e6c1f6eb90dec
[INFO] running `"docker" "start" "-a" "4735ae9a4a414f953a08fa04e356f06a84e5b7cd325dd57d9c1e6c1f6eb90dec"`
[INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted
[INFO] [stderr] warning: use of deprecated item 'std::error::Error::description': use the Display impl or to_string()
[INFO] [stderr]  --> src/errors.rs:2:1
[INFO] [stderr]   |
[INFO] [stderr] 2 | / error_chain!{
[INFO] [stderr] 3 | |     foreign_links {
[INFO] [stderr] 4 | |         Io(::std::io::Error) #[cfg(unix)];
[INFO] [stderr] 5 | |     }
[INFO] [stderr] 6 | | }
[INFO] [stderr]   | |_^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(deprecated)]` on by default
[INFO] [stderr]   = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'std::error::Error::cause': replaced by Error::source, which can support downcasting
[INFO] [stderr]  --> src/errors.rs:2:1
[INFO] [stderr]   |
[INFO] [stderr] 2 | / error_chain!{
[INFO] [stderr] 3 | |     foreign_links {
[INFO] [stderr] 4 | |         Io(::std::io::Error) #[cfg(unix)];
[INFO] [stderr] 5 | |     }
[INFO] [stderr] 6 | | }
[INFO] [stderr]   | |_^
[INFO] [stderr]   |
[INFO] [stderr]   = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: 2 warnings emitted
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'std::error::Error::description': use the Display impl or to_string()
[INFO] [stderr]  --> src/errors.rs:2:1
[INFO] [stderr]   |
[INFO] [stderr] 2 | / error_chain!{
[INFO] [stderr] 3 | |     foreign_links {
[INFO] [stderr] 4 | |         Io(::std::io::Error) #[cfg(unix)];
[INFO] [stderr] 5 | |     }
[INFO] [stderr] 6 | | }
[INFO] [stderr]   | |_^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(deprecated)]` on by default
[INFO] [stderr]   = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'std::error::Error::cause': replaced by Error::source, which can support downcasting
[INFO] [stderr]  --> src/errors.rs:2:1
[INFO] [stderr]   |
[INFO] [stderr] 2 | / error_chain!{
[INFO] [stderr] 3 | |     foreign_links {
[INFO] [stderr] 4 | |         Io(::std::io::Error) #[cfg(unix)];
[INFO] [stderr] 5 | |     }
[INFO] [stderr] 6 | | }
[INFO] [stderr]   | |_^
[INFO] [stderr]   |
[INFO] [stderr]   = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: 2 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.08s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/narwhal-fd3a5a8052fc4a92
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/lib-fff03936b253e9fd
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 5 tests
[INFO] [stdout] test tests::utils::http_request_generating ... ok
[INFO] [stdout] test tests::utils::chunked_parsing ... ok
[INFO] [stdout] test tests::utils::http_response_parsing ... ok
[INFO] [stdout] test tests::engine::ping_engine ... FAILED
[INFO] [stdout] test tests::engine::get_version ... FAILED
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout] 
[INFO] [stdout] ---- tests::engine::ping_engine stdout ----
[INFO] [stdout] Error: Failed to ping engine
[INFO] [stdout] Caused by: Could not connect to unix socket
[INFO] [stdout] Caused by: Could not connect to unix socket
[INFO] [stdout] Caused by: No such file or directory (os error 2)
[INFO] [stdout]    0: error_chain::make_backtrace
[INFO] [stdout]              at /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/error-chain-0.11.0/src/lib.rs:616
[INFO] [stdout]    1: core::ops::function::FnOnce::call_once
[INFO] [stdout]              at /rustc/b7dc83a3f6ca9746fb3d121761c3605477b77d90/src/libcore/ops/function.rs:232
[INFO] [stdout]    2: core::option::Option<T>::or_else
[INFO] [stdout]              at /rustc/b7dc83a3f6ca9746fb3d121761c3605477b77d90/src/libcore/option.rs:768
[INFO] [stdout]    3: error_chain::State::new
[INFO] [stdout]              at /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/error-chain-0.11.0/src/lib.rs:724
[INFO] [stdout]    4: <core::result::Result<T,E> as narwhal::errors::ResultExt<T>>::chain_err::{{closure}}
[INFO] [stdout]              at /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/error-chain-0.11.0/src/error_chain.rs:330
[INFO] [stdout]    5: core::result::Result<T,E>::map_err
[INFO] [stdout]              at /rustc/b7dc83a3f6ca9746fb3d121761c3605477b77d90/src/libcore/result.rs:612
[INFO] [stdout]    6: <core::result::Result<T,E> as narwhal::errors::ResultExt<T>>::chain_err
[INFO] [stdout]              at /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/error-chain-0.11.0/src/error_chain.rs:329
[INFO] [stdout]    7: <narwhal::unix::UnixStream as narwhal::httpstream::HttpStream>::connect
[INFO] [stdout]              at src/unix.rs:19
[INFO] [stdout]    8: narwhal::network::get
[INFO] [stdout]              at src/network.rs:17
[INFO] [stdout]    9: narwhal::engine::ping
[INFO] [stdout]              at src/engine.rs:36
[INFO] [stdout]   10: lib::tests::engine::ping_engine
[INFO] [stdout]              at tests/lib.rs:60
[INFO] [stdout]   11: lib::tests::engine::ping_engine::{{closure}}
[INFO] [stdout]              at tests/lib.rs:58
[INFO] [stdout]   12: core::ops::function::FnOnce::call_once
[INFO] [stdout]              at /rustc/b7dc83a3f6ca9746fb3d121761c3605477b77d90/src/libcore/ops/function.rs:232
[INFO] [stdout]   13: <alloc::boxed::Box<F> as core::ops::function::FnOnce<A>>::call_once
[INFO] [stdout]              at /rustc/b7dc83a3f6ca9746fb3d121761c3605477b77d90/src/liballoc/boxed.rs:1076
[INFO] [stdout]       <std::panic::AssertUnwindSafe<F> as core::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]              at /rustc/b7dc83a3f6ca9746fb3d121761c3605477b77d90/src/libstd/panic.rs:318
[INFO] [stdout]       std::panicking::try::do_call
[INFO] [stdout]              at /rustc/b7dc83a3f6ca9746fb3d121761c3605477b77d90/src/libstd/panicking.rs:297
[INFO] [stdout]       std::panicking::try
[INFO] [stdout]              at /rustc/b7dc83a3f6ca9746fb3d121761c3605477b77d90/src/libstd/panicking.rs:274
[INFO] [stdout]       std::panic::catch_unwind
[INFO] [stdout]              at /rustc/b7dc83a3f6ca9746fb3d121761c3605477b77d90/src/libstd/panic.rs:394
[INFO] [stdout]       test::run_test_in_process
[INFO] [stdout]              at /rustc/b7dc83a3f6ca9746fb3d121761c3605477b77d90/src/libtest/lib.rs:541
[INFO] [stdout]       test::run_test::run_test_inner::{{closure}}
[INFO] [stdout]              at /rustc/b7dc83a3f6ca9746fb3d121761c3605477b77d90/src/libtest/lib.rs:450
[INFO] [stdout]   14: std::sys_common::backtrace::__rust_begin_short_backtrace
[INFO] [stdout]              at /rustc/b7dc83a3f6ca9746fb3d121761c3605477b77d90/src/libstd/sys_common/backtrace.rs:130
[INFO] [stdout]   15: std::thread::Builder::spawn_unchecked::{{closure}}::{{closure}}
[INFO] [stdout]              at /rustc/b7dc83a3f6ca9746fb3d121761c3605477b77d90/src/libstd/thread/mod.rs:475
[INFO] [stdout]       <std::panic::AssertUnwindSafe<F> as core::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]              at /rustc/b7dc83a3f6ca9746fb3d121761c3605477b77d90/src/libstd/panic.rs:318
[INFO] [stdout]       std::panicking::try::do_call
[INFO] [stdout]              at /rustc/b7dc83a3f6ca9746fb3d121761c3605477b77d90/src/libstd/panicking.rs:297
[INFO] [stdout]       std::panicking::try
[INFO] [stdout]              at /rustc/b7dc83a3f6ca9746fb3d121761c3605477b77d90/src/libstd/panicking.rs:274
[INFO] [stdout]       std::panic::catch_unwind
[INFO] [stdout]              at /rustc/b7dc83a3f6ca9746fb3d121761c3605477b77d90/src/libstd/panic.rs:394
[INFO] [stdout]       std::thread::Builder::spawn_unchecked::{{closure}}
[INFO] [stdout]              at /rustc/b7dc83a3f6ca9746fb3d121761c3605477b77d90/src/libstd/thread/mod.rs:474
[INFO] [stdout]       core::ops::function::FnOnce::call_once{{vtable.shim}}
[INFO] [stdout]              at /rustc/b7dc83a3f6ca9746fb3d121761c3605477b77d90/src/libcore/ops/function.rs:232
[INFO] [stdout]   16: <alloc::boxed::Box<F> as core::ops::function::FnOnce<A>>::call_once
[INFO] [stdout]              at /rustc/b7dc83a3f6ca9746fb3d121761c3605477b77d90/src/liballoc/boxed.rs:1076
[INFO] [stdout]       <alloc::boxed::Box<F> as core::ops::function::FnOnce<A>>::call_once
[INFO] [stdout]              at /rustc/b7dc83a3f6ca9746fb3d121761c3605477b77d90/src/liballoc/boxed.rs:1076
[INFO] [stdout]       std::sys::unix::thread::Thread::new::thread_start
[INFO] [stdout]              at /rustc/b7dc83a3f6ca9746fb3d121761c3605477b77d90/src/libstd/sys/unix/thread.rs:87
[INFO] [stdout]   17: start_thread
[INFO] [stdout]   18: clone
[INFO] [stdout] 
[INFO] [stdout] thread 'tests::engine::ping_engine' panicked at 'Could not ping engine', tests/lib.rs:64:17
[INFO] [stdout] stack backtrace:
[INFO] [stdout]    0:     0x55c44aeb3865 - backtrace::backtrace::libunwind::trace::h07c956be65d9b461
[INFO] [stdout]                                at /cargo/registry/src/github.com-1ecc6299db9ec823/backtrace-0.3.46/src/backtrace/libunwind.rs:86
[INFO] [stdout]    1:     0x55c44aeb3865 - backtrace::backtrace::trace_unsynchronized::h2fdb9e4177ad4d20
[INFO] [stdout]                                at /cargo/registry/src/github.com-1ecc6299db9ec823/backtrace-0.3.46/src/backtrace/mod.rs:66
[INFO] [stdout]    2:     0x55c44aeb3865 - std::sys_common::backtrace::_print_fmt::ha62d8426311107ac
[INFO] [stdout]                                at src/libstd/sys_common/backtrace.rs:78
[INFO] [stdout]    3:     0x55c44aeb3865 - <std::sys_common::backtrace::_print::DisplayBacktrace as core::fmt::Display>::fmt::h3ec6bdab62f1e8d9
[INFO] [stdout]                                at src/libstd/sys_common/backtrace.rs:59
[INFO] [stdout]    4:     0x55c44aedd56c - core::fmt::write::h935cb0ed4078a853
[INFO] [stdout]                                at src/libcore/fmt/mod.rs:1076
[INFO] [stdout]    5:     0x55c44abcdb15 - std::io::Write::write_fmt::h944a31ab04b0dfe4
[INFO] [stdout]                                at /rustc/b7dc83a3f6ca9746fb3d121761c3605477b77d90/src/libstd/io/mod.rs:1537
[INFO] [stdout]    6:     0x55c44aeab051 - std::io::impls::<impl std::io::Write for alloc::boxed::Box<W>>::write_fmt::h6bd94c41a9c566d2
[INFO] [stdout]                                at src/libstd/io/impls.rs:176
[INFO] [stdout]    7:     0x55c44aeb60b0 - std::sys_common::backtrace::_print::h460db802d801ccf8
[INFO] [stdout]                                at src/libstd/sys_common/backtrace.rs:62
[INFO] [stdout]    8:     0x55c44aeb60b0 - std::sys_common::backtrace::print::h399d664f56640530
[INFO] [stdout]                                at src/libstd/sys_common/backtrace.rs:49
[INFO] [stdout]    9:     0x55c44aeb60b0 - std::panicking::default_hook::{{closure}}::hc6dfd87957c765b8
[INFO] [stdout]                                at src/libstd/panicking.rs:198
[INFO] [stdout]   10:     0x55c44aeb5daa - std::panicking::default_hook::hfdceba6d6d1a18ae
[INFO] [stdout]                                at src/libstd/panicking.rs:215
[INFO] [stdout]   11:     0x55c44aeb66e7 - std::panicking::rust_panic_with_hook::hd01e282bff1b1e63
[INFO] [stdout]                                at src/libstd/panicking.rs:486
[INFO] [stdout]   12:     0x55c44ad966db - std::panicking::begin_panic::h99b7d407f83b9ca3
[INFO] [stdout]                                at /rustc/b7dc83a3f6ca9746fb3d121761c3605477b77d90/src/libstd/panicking.rs:410
[INFO] [stdout]   13:     0x55c44abcb807 - lib::tests::engine::ping_engine::h9b7856f4323934c3
[INFO] [stdout]                                at tests/lib.rs:64
[INFO] [stdout]   14:     0x55c44abcb68a - lib::tests::engine::ping_engine::{{closure}}::ha238b3f539c0b2f2
[INFO] [stdout]                                at tests/lib.rs:58
[INFO] [stdout]   15:     0x55c44abcafce - core::ops::function::FnOnce::call_once::h65ded5072d1487ed
[INFO] [stdout]                                at /rustc/b7dc83a3f6ca9746fb3d121761c3605477b77d90/src/libcore/ops/function.rs:232
[INFO] [stdout]   16:     0x55c44abf4f02 - <alloc::boxed::Box<F> as core::ops::function::FnOnce<A>>::call_once::hd23431bd7b767a0c
[INFO] [stdout]                                at /rustc/b7dc83a3f6ca9746fb3d121761c3605477b77d90/src/liballoc/boxed.rs:1076
[INFO] [stdout]   17:     0x55c44abf4f02 - <std::panic::AssertUnwindSafe<F> as core::ops::function::FnOnce<()>>::call_once::h6986d2e83b783a4e
[INFO] [stdout]                                at /rustc/b7dc83a3f6ca9746fb3d121761c3605477b77d90/src/libstd/panic.rs:318
[INFO] [stdout]   18:     0x55c44abf4f02 - std::panicking::try::do_call::haee67871ebe8ee92
[INFO] [stdout]                                at /rustc/b7dc83a3f6ca9746fb3d121761c3605477b77d90/src/libstd/panicking.rs:297
[INFO] [stdout]   19:     0x55c44abf4f02 - std::panicking::try::hcba534043f17f42d
[INFO] [stdout]                                at /rustc/b7dc83a3f6ca9746fb3d121761c3605477b77d90/src/libstd/panicking.rs:274
[INFO] [stdout]   20:     0x55c44abf4f02 - std::panic::catch_unwind::h6908c2ae7517b434
[INFO] [stdout]                                at /rustc/b7dc83a3f6ca9746fb3d121761c3605477b77d90/src/libstd/panic.rs:394
[INFO] [stdout]   21:     0x55c44abf4f02 - test::run_test_in_process::h66277a63b8267865
[INFO] [stdout]                                at src/libtest/lib.rs:541
[INFO] [stdout]   22:     0x55c44abf4f02 - test::run_test::run_test_inner::{{closure}}::h591f321b83c3f302
[INFO] [stdout]                                at src/libtest/lib.rs:450
[INFO] [stdout]   23:     0x55c44abccfd6 - std::sys_common::backtrace::__rust_begin_short_backtrace::h843e47ea29613666
[INFO] [stdout]                                at /rustc/b7dc83a3f6ca9746fb3d121761c3605477b77d90/src/libstd/sys_common/backtrace.rs:130
[INFO] [stdout]   24:     0x55c44abd2575 - std::thread::Builder::spawn_unchecked::{{closure}}::{{closure}}::ha6c43669df0cbe25
[INFO] [stdout]                                at /rustc/b7dc83a3f6ca9746fb3d121761c3605477b77d90/src/libstd/thread/mod.rs:475
[INFO] [stdout]   25:     0x55c44abd2575 - <std::panic::AssertUnwindSafe<F> as core::ops::function::FnOnce<()>>::call_once::hc86e5439e615a14a
[INFO] [stdout]                                at /rustc/b7dc83a3f6ca9746fb3d121761c3605477b77d90/src/libstd/panic.rs:318
[INFO] [stdout]   26:     0x55c44abd2575 - std::panicking::try::do_call::h4b45bcf4d5d82a80
[INFO] [stdout]                                at /rustc/b7dc83a3f6ca9746fb3d121761c3605477b77d90/src/libstd/panicking.rs:297
[INFO] [stdout]   27:     0x55c44abd2575 - std::panicking::try::h297c0c407d3f8196
[INFO] [stdout]                                at /rustc/b7dc83a3f6ca9746fb3d121761c3605477b77d90/src/libstd/panicking.rs:274
[INFO] [stdout]   28:     0x55c44abd2575 - std::panic::catch_unwind::h877baa9fbef2eafe
[INFO] [stdout]                                at /rustc/b7dc83a3f6ca9746fb3d121761c3605477b77d90/src/libstd/panic.rs:394
[INFO] [stdout]   29:     0x55c44abd2575 - std::thread::Builder::spawn_unchecked::{{closure}}::hdb000626ad29158a
[INFO] [stdout]                                at /rustc/b7dc83a3f6ca9746fb3d121761c3605477b77d90/src/libstd/thread/mod.rs:474
[INFO] [stdout]   30:     0x55c44abd2575 - core::ops::function::FnOnce::call_once{{vtable.shim}}::h87e786b011f05b5c
[INFO] [stdout]                                at /rustc/b7dc83a3f6ca9746fb3d121761c3605477b77d90/src/libcore/ops/function.rs:232
[INFO] [stdout]   31:     0x55c44aebe0aa - <alloc::boxed::Box<F> as core::ops::function::FnOnce<A>>::call_once::hfc5c0e64036d1b09
[INFO] [stdout]                                at /rustc/b7dc83a3f6ca9746fb3d121761c3605477b77d90/src/liballoc/boxed.rs:1076
[INFO] [stdout]   32:     0x55c44aebe0aa - <alloc::boxed::Box<F> as core::ops::function::FnOnce<A>>::call_once::hf3d73184efc070c1
[INFO] [stdout]                                at /rustc/b7dc83a3f6ca9746fb3d121761c3605477b77d90/src/liballoc/boxed.rs:1076
[INFO] [stdout]   33:     0x55c44aebe0aa - std::sys::unix::thread::Thread::new::thread_start::hb9eb749d91dfe8e2
[INFO] [stdout]                                at src/libstd/sys/unix/thread.rs:87
[INFO] [stdout]   34:     0x7f9fd8183609 - start_thread
[INFO] [stdout]   35:     0x7f9fd808d103 - __clone
[INFO] [stdout]   36:                0x0 - <unknown>
[INFO] [stdout] 
[INFO] [stdout] ---- tests::engine::get_version stdout ----
[INFO] [stdout] Error: Failed to get engine version
[INFO] [stdout] Caused by: Could not connect to unix socket
[INFO] [stdout] Caused by: Could not connect to unix socket
[INFO] [stdout] Caused by: No such file or directory (os error 2)
[INFO] [stdout]    0: error_chain::make_backtrace
[INFO] [stdout]              at /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/error-chain-0.11.0/src/lib.rs:616
[INFO] [stdout]    1: core::ops::function::FnOnce::call_once
[INFO] [stdout]              at /rustc/b7dc83a3f6ca9746fb3d121761c3605477b77d90/src/libcore/ops/function.rs:232
[INFO] [stdout]    2: core::option::Option<T>::or_else
[INFO] [stdout]              at /rustc/b7dc83a3f6ca9746fb3d121761c3605477b77d90/src/libcore/option.rs:768
[INFO] [stdout]    3: error_chain::State::new
[INFO] [stdout]              at /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/error-chain-0.11.0/src/lib.rs:724
[INFO] [stdout]    4: <core::result::Result<T,E> as narwhal::errors::ResultExt<T>>::chain_err::{{closure}}
[INFO] [stdout]              at /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/error-chain-0.11.0/src/error_chain.rs:330
[INFO] [stdout]    5: core::result::Result<T,E>::map_err
[INFO] [stdout]              at /rustc/b7dc83a3f6ca9746fb3d121761c3605477b77d90/src/libcore/result.rs:612
[INFO] [stdout]    6: <core::result::Result<T,E> as narwhal::errors::ResultExt<T>>::chain_err
[INFO] [stdout]              at /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/error-chain-0.11.0/src/error_chain.rs:329
[INFO] [stdout]    7: <narwhal::unix::UnixStream as narwhal::httpstream::HttpStream>::connect
[INFO] [stdout]              at src/unix.rs:19
[INFO] [stdout]    8: narwhal::network::get
[INFO] [stdout]              at src/network.rs:17
[INFO] [stdout]    9: narwhal::engine::version
[INFO] [stdout]              at src/engine.rs:23
[INFO] [stdout]   10: lib::tests::engine::get_version
[INFO] [stdout]              at tests/lib.rs:48
[INFO] [stdout]   11: lib::tests::engine::get_version::{{closure}}
[INFO] [stdout]              at tests/lib.rs:46
[INFO] [stdout]   12: core::ops::function::FnOnce::call_once
[INFO] [stdout]              at /rustc/b7dc83a3f6ca9746fb3d121761c3605477b77d90/src/libcore/ops/function.rs:232
[INFO] [stdout]   13: <alloc::boxed::Box<F> as core::ops::function::FnOnce<A>>::call_once
[INFO] [stdout]              at /rustc/b7dc83a3f6ca9746fb3d121761c3605477b77d90/src/liballoc/boxed.rs:1076
[INFO] [stdout]       <std::panic::AssertUnwindSafe<F> as core::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]              at /rustc/b7dc83a3f6ca9746fb3d121761c3605477b77d90/src/libstd/panic.rs:318
[INFO] [stdout]       std::panicking::try::do_call
[INFO] [stdout]              at /rustc/b7dc83a3f6ca9746fb3d121761c3605477b77d90/src/libstd/panicking.rs:297
[INFO] [stdout]       std::panicking::try
[INFO] [stdout]              at /rustc/b7dc83a3f6ca9746fb3d121761c3605477b77d90/src/libstd/panicking.rs:274
[INFO] [stdout]       std::panic::catch_unwind
[INFO] [stdout]              at /rustc/b7dc83a3f6ca9746fb3d121761c3605477b77d90/src/libstd/panic.rs:394
[INFO] [stdout]       test::run_test_in_process
[INFO] [stdout]              at /rustc/b7dc83a3f6ca9746fb3d121761c3605477b77d90/src/libtest/lib.rs:541
[INFO] [stdout]       test::run_test::run_test_inner::{{closure}}
[INFO] [stdout]              at /rustc/b7dc83a3f6ca9746fb3d121761c3605477b77d90/src/libtest/lib.rs:450
[INFO] [stdout]   14: std::sys_common::backtrace::__rust_begin_short_backtrace
[INFO] [stdout]              at /rustc/b7dc83a3f6ca9746fb3d121761c3605477b77d90/src/libstd/sys_common/backtrace.rs:130
[INFO] [stdout]   15: std::thread::Builder::spawn_unchecked::{{closure}}::{{closure}}
[INFO] [stdout]              at /rustc/b7dc83a3f6ca9746fb3d121761c3605477b77d90/src/libstd/thread/mod.rs:475
[INFO] [stdout]       <std::panic::AssertUnwindSafe<F> as core::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]              at /rustc/b7dc83a3f6ca9746fb3d121761c3605477b77d90/src/libstd/panic.rs:318
[INFO] [stdout]       std::panicking::try::do_call
[INFO] [stdout]              at /rustc/b7dc83a3f6ca9746fb3d121761c3605477b77d90/src/libstd/panicking.rs:297
[INFO] [stdout]       std::panicking::try
[INFO] [stdout]              at /rustc/b7dc83a3f6ca9746fb3d121761c3605477b77d90/src/libstd/panicking.rs:274
[INFO] [stdout]       std::panic::catch_unwind
[INFO] [stdout]              at /rustc/b7dc83a3f6ca9746fb3d121761c3605477b77d90/src/libstd/panic.rs:394
[INFO] [stdout]       std::thread::Builder::spawn_unchecked::{{closure}}
[INFO] [stdout]              at /rustc/b7dc83a3f6ca9746fb3d121761c3605477b77d90/src/libstd/thread/mod.rs:474
[INFO] [stdout]       core::ops::function::FnOnce::call_once{{vtable.shim}}
[INFO] [stdout]              at /rustc/b7dc83a3f6ca9746fb3d121761c3605477b77d90/src/libcore/ops/function.rs:232
[INFO] [stdout]   16: <alloc::boxed::Box<F> as core::ops::function::FnOnce<A>>::call_once
[INFO] [stdout]              at /rustc/b7dc83a3f6ca9746fb3d121761c3605477b77d90/src/liballoc/boxed.rs:1076
[INFO] [stdout]       <alloc::boxed::Box<F> as core::ops::function::FnOnce<A>>::call_once
[INFO] [stdout]              at /rustc/b7dc83a3f6ca9746fb3d121761c3605477b77d90/src/liballoc/boxed.rs:1076
[INFO] [stdout]       std::sys::unix::thread::Thread::new::thread_start
[INFO] [stdout]              at /rustc/b7dc83a3f6ca9746fb3d121761c3605477b77d90/src/libstd/sys/unix/thread.rs:87
[INFO] [stdout]   17: start_thread
[INFO] [stdout]   18: clone
[INFO] [stdout] 
[INFO] [stdout] thread 'tests::engine::get_version' panicked at 'Could not get engine version', tests/lib.rs:53:17
[INFO] [stdout] stack backtrace:
[INFO] [stdout]    0:     0x55c44aeb3865 - backtrace::backtrace::libunwind::trace::h07c956be65d9b461
[INFO] [stdout]                                at /cargo/registry/src/github.com-1ecc6299db9ec823/backtrace-0.3.46/src/backtrace/libunwind.rs:86
[INFO] [stdout]    1:     0x55c44aeb3865 - backtrace::backtrace::trace_unsynchronized::h2fdb9e4177ad4d20
[INFO] [stdout]                                at /cargo/registry/src/github.com-1ecc6299db9ec823/backtrace-0.3.46/src/backtrace/mod.rs:66
[INFO] [stdout]    2:     0x55c44aeb3865 - std::sys_common::backtrace::_print_fmt::ha62d8426311107ac
[INFO] [stdout]                                at src/libstd/sys_common/backtrace.rs:78
[INFO] [stdout]    3:     0x55c44aeb3865 - <std::sys_common::backtrace::_print::DisplayBacktrace as core::fmt::Display>::fmt::h3ec6bdab62f1e8d9
[INFO] [stdout]                                at src/libstd/sys_common/backtrace.rs:59
[INFO] [stdout]    4:     0x55c44aedd56c - core::fmt::write::h935cb0ed4078a853
[INFO] [stdout]                                at src/libcore/fmt/mod.rs:1076
[INFO] [stdout]    5:     0x55c44abcdb15 - std::io::Write::write_fmt::h944a31ab04b0dfe4
[INFO] [stdout]                                at /rustc/b7dc83a3f6ca9746fb3d121761c3605477b77d90/src/libstd/io/mod.rs:1537
[INFO] [stdout]    6:     0x55c44aeab051 - std::io::impls::<impl std::io::Write for alloc::boxed::Box<W>>::write_fmt::h6bd94c41a9c566d2
[INFO] [stdout]                                at src/libstd/io/impls.rs:176
[INFO] [stdout]    7:     0x55c44aeb60b0 - std::sys_common::backtrace::_print::h460db802d801ccf8
[INFO] [stdout]                                at src/libstd/sys_common/backtrace.rs:62
[INFO] [stdout]    8:     0x55c44aeb60b0 - std::sys_common::backtrace::print::h399d664f56640530
[INFO] [stdout]                                at src/libstd/sys_common/backtrace.rs:49
[INFO] [stdout]    9:     0x55c44aeb60b0 - std::panicking::default_hook::{{closure}}::hc6dfd87957c765b8
[INFO] [stdout]                                at src/libstd/panicking.rs:198
[INFO] [stdout]   10:     0x55c44aeb5daa - std::panicking::default_hook::hfdceba6d6d1a18ae
[INFO] [stdout]                                at src/libstd/panicking.rs:215
[INFO] [stdout]   11:     0x55c44aeb66e7 - std::panicking::rust_panic_with_hook::hd01e282bff1b1e63
[INFO] [stdout]                                at src/libstd/panicking.rs:486
[INFO] [stdout]   12:     0x55c44ad966db - std::panicking::begin_panic::h99b7d407f83b9ca3
[INFO] [stdout]                                at /rustc/b7dc83a3f6ca9746fb3d121761c3605477b77d90/src/libstd/panicking.rs:410
[INFO] [stdout]   13:     0x55c44abcb63d - lib::tests::engine::get_version::h5c8b25b64d62df66
[INFO] [stdout]                                at tests/lib.rs:53
[INFO] [stdout]   14:     0x55c44abcb4da - lib::tests::engine::get_version::{{closure}}::h1eff289eb68302fe
[INFO] [stdout]                                at tests/lib.rs:46
[INFO] [stdout]   15:     0x55c44abcb02e - core::ops::function::FnOnce::call_once::hf052ebecd880ed75
[INFO] [stdout]                                at /rustc/b7dc83a3f6ca9746fb3d121761c3605477b77d90/src/libcore/ops/function.rs:232
[INFO] [stdout]   16:     0x55c44abf4f02 - <alloc::boxed::Box<F> as core::ops::function::FnOnce<A>>::call_once::hd23431bd7b767a0c
[INFO] [stdout]                                at /rustc/b7dc83a3f6ca9746fb3d121761c3605477b77d90/src/liballoc/boxed.rs:1076
[INFO] [stdout]   17:     0x55c44abf4f02 - <std::panic::AssertUnwindSafe<F> as core::ops::function::FnOnce<()>>::call_once::h6986d2e83b783a4e
[INFO] [stdout]                                at /rustc/b7dc83a3f6ca9746fb3d121761c3605477b77d90/src/libstd/panic.rs:318
[INFO] [stdout]   18:     0x55c44abf4f02 - std::panicking::try::do_call::haee67871ebe8ee92
[INFO] [stdout]                                at /rustc/b7dc83a3f6ca9746fb3d121761c3605477b77d90/src/libstd/panicking.rs:297
[INFO] [stdout]   19:     0x55c44abf4f02 - std::panicking::try::hcba534043f17f42d
[INFO] [stdout]                                at /rustc/b7dc83a3f6ca9746fb3d121761c3605477b77d90/src/libstd/panicking.rs:274
[INFO] [stdout]   20:     0x55c44abf4f02 - std::panic::catch_unwind::h6908c2ae7517b434
[INFO] [stdout]                                at /rustc/b7dc83a3f6ca9746fb3d121761c3605477b77d90/src/libstd/panic.rs:394
[INFO] [stdout]   21:     0x55c44abf4f02 - test::run_test_in_process::h66277a63b8267865
[INFO] [stdout]                                at src/libtest/lib.rs:541
[INFO] [stdout]   22:     0x55c44abf4f02 - test::run_test::run_test_inner::{{closure}}::h591f321b83c3f302
[INFO] [stdout]                                at src/libtest/lib.rs:450
[INFO] [stdout]   23:     0x55c44abccfd6 - std::sys_common::backtrace::__rust_begin_short_backtrace::h843e47ea29613666
[INFO] [stdout]                                at /rustc/b7dc83a3f6ca9746fb3d121761c3605477b77d90/src/libstd/sys_common/backtrace.rs:130
[INFO] [stdout]   24:     0x55c44abd2575 - std::thread::Builder::spawn_unchecked::{{closure}}::{{closure}}::ha6c43669df0cbe25
[INFO] [stdout]                                at /rustc/b7dc83a3f6ca9746fb3d121761c3605477b77d90/src/libstd/thread/mod.rs:475
[INFO] [stdout]   25:     0x55c44abd2575 - <std::panic::AssertUnwindSafe<F> as core::ops::function::FnOnce<()>>::call_once::hc86e5439e615a14a
[INFO] [stdout]                                at /rustc/b7dc83a3f6ca9746fb3d121761c3605477b77d90/src/libstd/panic.rs:318
[INFO] [stdout]   26:     0x55c44abd2575 - std::panicking::try::do_call::h4b45bcf4d5d82a80
[INFO] [stdout]                                at /rustc/b7dc83a3f6ca9746fb3d121761c3605477b77d90/src/libstd/panicking.rs:297
[INFO] [stdout]   27:     0x55c44abd2575 - std::panicking::try::h297c0c407d3f8196
[INFO] [stdout]                                at /rustc/b7dc83a3f6ca9746fb3d121761c3605477b77d90/src/libstd/panicking.rs:274
[INFO] [stdout]   28:     0x55c44abd2575 - std::panic::catch_unwind::h877baa9fbef2eafe
[INFO] [stdout]                                at /rustc/b7dc83a3f6ca9746fb3d121761c3605477b77d90/src/libstd/panic.rs:394
[INFO] [stdout]   29:     0x55c44abd2575 - std::thread::Builder::spawn_unchecked::{{closure}}::hdb000626ad29158a
[INFO] [stdout]                                at /rustc/b7dc83a3f6ca9746fb3d121761c3605477b77d90/src/libstd/thread/mod.rs:474
[INFO] [stdout]   30:     0x55c44abd2575 - core::ops::function::FnOnce::call_once{{vtable.shim}}::h87e786b011f05b5c
[INFO] [stdout]                                at /rustc/b7dc83a3f6ca9746fb3d121761c3605477b77d90/src/libcore/ops/function.rs:232
[INFO] [stdout]   31:     0x55c44aebe0aa - <alloc::boxed::Box<F> as core::ops::function::FnOnce<A>>::call_once::hfc5c0e64036d1b09
[INFO] [stdout]                                at /rustc/b7dc83a3f6ca9746fb3d121761c3605477b77d90/src/liballoc/boxed.rs:1076
[INFO] [stdout]   32:     0x55c44aebe0aa - <alloc::boxed::Box<F> as core::ops::function::FnOnce<A>>::call_once::hf3d73184efc070c1
[INFO] [stdout]                                at /rustc/b7dc83a3f6ca9746fb3d121761c3605477b77d90/src/liballoc/boxed.rs:1076
[INFO] [stdout]   33:     0x55c44aebe0aa - std::sys::unix::thread::Thread::new::thread_start::hb9eb749d91dfe8e2
[INFO] [stdout]                                at src/libstd/sys/unix/thread.rs:87
[INFO] [stdout]   34:     0x7f9fd8183609 - start_thread
[INFO] [stdout]   35:     0x7f9fd808d103 - __clone
[INFO] [stdout]   36:                0x0 - <unknown>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout]     tests::engine::get_version
[INFO] [stdout]     tests::engine::ping_engine
[INFO] [stdout] 
[INFO] [stdout] test result: FAILED. 3 passed; 2 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stderr] error: test failed, to rerun pass '--test lib'
[INFO] running `"docker" "inspect" "4735ae9a4a414f953a08fa04e356f06a84e5b7cd325dd57d9c1e6c1f6eb90dec"`
[INFO] running `"docker" "rm" "-f" "4735ae9a4a414f953a08fa04e356f06a84e5b7cd325dd57d9c1e6c1f6eb90dec"`
[INFO] [stdout] 4735ae9a4a414f953a08fa04e356f06a84e5b7cd325dd57d9c1e6c1f6eb90dec