[INFO] fetching crate narwhal 0.3.0...
[INFO] testing narwhal-0.3.0 against try#b6ae10aa7319b7ebb6c7b3331dd71a9d6c9c5b4b for pr-145330-1
[INFO] extracting crate narwhal 0.3.0 into /workspace/builds/worker-2-tc2/source
[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-2-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate narwhal 0.3.0 on toolchain b6ae10aa7319b7ebb6c7b3331dd71a9d6c9c5b4b
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+b6ae10aa7319b7ebb6c7b3331dd71a9d6c9c5b4b" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+b6ae10aa7319b7ebb6c7b3331dd71a9d6c9c5b4b" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]      Locking 49 packages to latest compatible versions
[INFO] [stderr]       Adding error-chain v0.11.0 (available: v0.12.4)
[INFO] [stderr]       Adding regex v0.2.11 (available: v1.11.3)
[INFO] [stderr]       Adding url v1.7.2 (available: v2.5.7)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+b6ae10aa7319b7ebb6c7b3331dd71a9d6c9c5b4b" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr] warning: no edition set: defaulting to the 2015 edition while the latest is 2024
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+b6ae10aa7319b7ebb6c7b3331dd71a9d6c9c5b4b" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 338830cf47e91f2a6f5b0280532e7a42fd3d1767fb665d1e7666e64d6232dde9
[INFO] running `Command { std: "docker" "start" "-a" "338830cf47e91f2a6f5b0280532e7a42fd3d1767fb665d1e7666e64d6232dde9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "338830cf47e91f2a6f5b0280532e7a42fd3d1767fb665d1e7666e64d6232dde9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "338830cf47e91f2a6f5b0280532e7a42fd3d1767fb665d1e7666e64d6232dde9", kill_on_drop: false }`
[INFO] [stdout] 338830cf47e91f2a6f5b0280532e7a42fd3d1767fb665d1e7666e64d6232dde9
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/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=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+b6ae10aa7319b7ebb6c7b3331dd71a9d6c9c5b4b" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 3279d65ece96971738850f1f4e7ce1e97ddd3a618996f0e5b1bc64d2903395ec
[INFO] running `Command { std: "docker" "start" "-a" "3279d65ece96971738850f1f4e7ce1e97ddd3a618996f0e5b1bc64d2903395ec", kill_on_drop: false }`
[INFO] [stderr] warning: no edition set: defaulting to the 2015 edition while the latest is 2024
[INFO] [stderr]    Compiling object v0.37.3
[INFO] [stderr]    Compiling gimli v0.32.3
[INFO] [stderr]    Compiling adler2 v2.0.1
[INFO] [stderr]    Compiling regex v0.2.11
[INFO] [stderr]    Compiling libc v0.2.176
[INFO] [stderr]    Compiling ucd-util v0.1.10
[INFO] [stderr]    Compiling rustc-demangle v0.1.26
[INFO] [stderr]    Compiling serde v1.0.228
[INFO] [stderr]    Compiling aho-corasick v0.6.10
[INFO] [stderr]    Compiling thread_local v0.3.6
[INFO] [stderr]    Compiling syn v2.0.106
[INFO] [stderr]    Compiling bitflags v2.9.4
[INFO] [stderr]    Compiling utf8-ranges v1.0.5
[INFO] [stderr]    Compiling miniz_oxide v0.8.9
[INFO] [stderr]    Compiling regex-syntax v0.5.6
[INFO] [stderr]    Compiling openssl-sys v0.9.109
[INFO] [stderr]    Compiling addr2line v0.25.1
[INFO] [stderr]    Compiling openssl-macros v0.1.1
[INFO] [stderr]    Compiling serde_derive v1.0.228
[INFO] [stderr]    Compiling openssl v0.10.73
[INFO] [stderr]    Compiling backtrace v0.3.76
[INFO] [stderr]    Compiling error-chain v0.11.0
[INFO] [stderr]    Compiling narwhal v0.3.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: use of deprecated method `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stdout]  --> src/errors.rs:2:1
[INFO] [stdout]   |
[INFO] [stdout] 2 | / error_chain!{
[INFO] [stdout] 3 | |     foreign_links {
[INFO] [stdout] 4 | |         Io(::std::io::Error) #[cfg(unix)];
[INFO] [stdout] 5 | |     }
[INFO] [stdout] 6 | | }
[INFO] [stdout]   | |_^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(deprecated)]` on by default
[INFO] [stdout]   = note: this warning originates in the macro `impl_error_chain_processed` which comes from the expansion of the macro `error_chain` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated method `std::error::Error::cause`: replaced by Error::source, which can support downcasting
[INFO] [stdout]  --> src/errors.rs:2:1
[INFO] [stdout]   |
[INFO] [stdout] 2 | / error_chain!{
[INFO] [stdout] 3 | |     foreign_links {
[INFO] [stdout] 4 | |         Io(::std::io::Error) #[cfg(unix)];
[INFO] [stdout] 5 | |     }
[INFO] [stdout] 6 | | }
[INFO] [stdout]   | |_^
[INFO] [stdout]   |
[INFO] [stdout]   = note: this warning originates in the macro `impl_error_chain_processed` which comes from the expansion of the macro `error_chain` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 17.32s
[INFO] running `Command { std: "docker" "inspect" "3279d65ece96971738850f1f4e7ce1e97ddd3a618996f0e5b1bc64d2903395ec", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3279d65ece96971738850f1f4e7ce1e97ddd3a618996f0e5b1bc64d2903395ec", kill_on_drop: false }`
[INFO] [stdout] 3279d65ece96971738850f1f4e7ce1e97ddd3a618996f0e5b1bc64d2903395ec
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/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=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+b6ae10aa7319b7ebb6c7b3331dd71a9d6c9c5b4b" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 7443fb668c593befe0b80c3eea00af3c837b745ac299918a6a3773435ece0f6f
[INFO] running `Command { std: "docker" "start" "-a" "7443fb668c593befe0b80c3eea00af3c837b745ac299918a6a3773435ece0f6f", kill_on_drop: false }`
[INFO] [stderr] warning: no edition set: defaulting to the 2015 edition while the latest is 2024
[INFO] [stderr]    Compiling tinyvec_macros v0.1.1
[INFO] [stderr]    Compiling matches v0.1.10
[INFO] [stderr]    Compiling unicode-bidi v0.3.18
[INFO] [stderr]    Compiling percent-encoding v1.0.1
[INFO] [stdout] warning: use of deprecated method `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stdout]  --> src/errors.rs:2:1
[INFO] [stdout]   |
[INFO] [stdout] 2 | / error_chain!{
[INFO] [stdout] 3 | |     foreign_links {
[INFO] [stdout] 4 | |         Io(::std::io::Error) #[cfg(unix)];
[INFO] [stdout] 5 | |     }
[INFO] [stdout] 6 | | }
[INFO] [stdout]   | |_^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(deprecated)]` on by default
[INFO] [stdout]   = note: this warning originates in the macro `impl_error_chain_processed` which comes from the expansion of the macro `error_chain` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated method `std::error::Error::cause`: replaced by Error::source, which can support downcasting
[INFO] [stdout]  --> src/errors.rs:2:1
[INFO] [stdout]   |
[INFO] [stdout] 2 | / error_chain!{
[INFO] [stdout] 3 | |     foreign_links {
[INFO] [stdout] 4 | |         Io(::std::io::Error) #[cfg(unix)];
[INFO] [stdout] 5 | |     }
[INFO] [stdout] 6 | | }
[INFO] [stdout]   | |_^
[INFO] [stdout]   |
[INFO] [stdout]   = note: this warning originates in the macro `impl_error_chain_processed` which comes from the expansion of the macro `error_chain` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling tinyvec v1.10.0
[INFO] [stderr]    Compiling unicode-normalization v0.1.24
[INFO] [stderr]    Compiling idna v0.1.5
[INFO] [stderr]    Compiling url v1.7.2
[INFO] [stderr]    Compiling narwhal v0.3.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: use of deprecated method `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stdout]  --> src/errors.rs:2:1
[INFO] [stdout]   |
[INFO] [stdout] 2 | / error_chain!{
[INFO] [stdout] 3 | |     foreign_links {
[INFO] [stdout] 4 | |         Io(::std::io::Error) #[cfg(unix)];
[INFO] [stdout] 5 | |     }
[INFO] [stdout] 6 | | }
[INFO] [stdout]   | |_^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(deprecated)]` on by default
[INFO] [stdout]   = note: this warning originates in the macro `impl_error_chain_processed` which comes from the expansion of the macro `error_chain` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated method `std::error::Error::cause`: replaced by Error::source, which can support downcasting
[INFO] [stdout]  --> src/errors.rs:2:1
[INFO] [stdout]   |
[INFO] [stdout] 2 | / error_chain!{
[INFO] [stdout] 3 | |     foreign_links {
[INFO] [stdout] 4 | |         Io(::std::io::Error) #[cfg(unix)];
[INFO] [stdout] 5 | |     }
[INFO] [stdout] 6 | | }
[INFO] [stdout]   | |_^
[INFO] [stdout]   |
[INFO] [stdout]   = note: this warning originates in the macro `impl_error_chain_processed` which comes from the expansion of the macro `error_chain` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 3.51s
[INFO] running `Command { std: "docker" "inspect" "7443fb668c593befe0b80c3eea00af3c837b745ac299918a6a3773435ece0f6f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7443fb668c593befe0b80c3eea00af3c837b745ac299918a6a3773435ece0f6f", kill_on_drop: false }`
[INFO] [stdout] 7443fb668c593befe0b80c3eea00af3c837b745ac299918a6a3773435ece0f6f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/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=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+b6ae10aa7319b7ebb6c7b3331dd71a9d6c9c5b4b" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 0d169cd75e2084c067914b0f4d2d9668d0a7c848974b3a2440f9f6009f1f242c
[INFO] running `Command { std: "docker" "start" "-a" "0d169cd75e2084c067914b0f4d2d9668d0a7c848974b3a2440f9f6009f1f242c", kill_on_drop: false }`
[INFO] [stderr] warning: no edition set: defaulting to the 2015 edition while the latest is 2024
[INFO] [stdout] 
[INFO] [stderr] warning: use of deprecated method `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stdout] running 0 tests
[INFO] [stderr]  --> src/errors.rs:2:1
[INFO] [stderr]   |
[INFO] [stderr] 2 | / error_chain!{
[INFO] [stdout] 
[INFO] [stderr] 3 | |     foreign_links {
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stderr] 4 | |         Io(::std::io::Error) #[cfg(unix)];
[INFO] [stdout] 
[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 the macro `impl_error_chain_processed` which comes from the expansion of the macro `error_chain` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated method `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 the macro `impl_error_chain_processed` which comes from the expansion of the macro `error_chain` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: `narwhal` (lib) generated 2 warnings
[INFO] [stderr] warning: `narwhal` (lib test) generated 2 warnings (2 duplicates)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.10s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/narwhal-ce1d7206c7cb642a)
[INFO] [stderr]      Running tests/lib.rs (/opt/rustwide/target/debug/deps/lib-c32605f6d0cca9c8)
[INFO] [stdout] 
[INFO] [stdout] running 5 tests
[INFO] [stdout] test tests::utils::http_request_generating ... ok
[INFO] [stdout] test tests::utils::http_response_parsing ... ok
[INFO] [stdout] test tests::utils::chunked_parsing ... ok
[INFO] [stdout] test tests::engine::get_version ... FAILED
[INFO] [stdout] test tests::engine::ping_engine ... FAILED
[INFO] [stdout] 
[INFO] [stdout] failures:
[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/index.crates.io-1949cf8c6b5b557f/error-chain-0.11.0/src/lib.rs:616:23
[INFO] [stdout]    1: core::ops::function::FnOnce::call_once
[INFO] [stdout]              at /rustc/b6ae10aa7319b7ebb6c7b3331dd71a9d6c9c5b4b/library/core/src/ops/function.rs:253:5
[INFO] [stdout]    2: core::option::Option<T>::or_else
[INFO] [stdout]              at /rustc/b6ae10aa7319b7ebb6c7b3331dd71a9d6c9c5b4b/library/core/src/option.rs:1647:21
[INFO] [stdout]    3: error_chain::State::new
[INFO] [stdout]              at /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/error-chain-0.11.0/src/lib.rs:724:52
[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/index.crates.io-1949cf8c6b5b557f/error-chain-0.11.0/src/error_chain.rs:330:33
[INFO] [stdout]    5: core::result::Result<T,E>::map_err
[INFO] [stdout]              at /rustc/b6ae10aa7319b7ebb6c7b3331dd71a9d6c9c5b4b/library/core/src/result.rs:960:27
[INFO] [stdout]    6: <core::result::Result<T,E> as narwhal::errors::ResultExt<T>>::chain_err
[INFO] [stdout]              at /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/error-chain-0.11.0/src/error_chain.rs:329:22
[INFO] [stdout]    7: <narwhal::unix::UnixStream as narwhal::httpstream::HttpStream>::connect
[INFO] [stdout]              at src/unix.rs:19:66
[INFO] [stdout]    8: narwhal::network::get
[INFO] [stdout]              at src/network.rs:17:26
[INFO] [stdout]    9: narwhal::engine::version
[INFO] [stdout]              at src/engine.rs:23:20
[INFO] [stdout]   10: lib::tests::engine::get_version
[INFO] [stdout]              at tests/lib.rs:48:27
[INFO] [stdout]   11: lib::tests::engine::get_version::{{closure}}
[INFO] [stdout]              at tests/lib.rs:46:29
[INFO] [stdout]   12: core::ops::function::FnOnce::call_once
[INFO] [stdout]              at /rustc/b6ae10aa7319b7ebb6c7b3331dd71a9d6c9c5b4b/library/core/src/ops/function.rs:253:5
[INFO] [stdout]   13: core::ops::function::FnOnce::call_once
[INFO] [stdout]              at /rustc/b6ae10aa7319b7ebb6c7b3331dd71a9d6c9c5b4b/library/core/src/ops/function.rs:253:5
[INFO] [stdout]       test::__rust_begin_short_backtrace
[INFO] [stdout]              at /rustc/b6ae10aa7319b7ebb6c7b3331dd71a9d6c9c5b4b/library/test/src/lib.rs:663:18
[INFO] [stdout]   14: test::run_test_in_process::{{closure}}
[INFO] [stdout]              at /rustc/b6ae10aa7319b7ebb6c7b3331dd71a9d6c9c5b4b/library/test/src/lib.rs:686:74
[INFO] [stdout]       <core::panic::unwind_safe::AssertUnwindSafe<F> as core::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]              at /rustc/b6ae10aa7319b7ebb6c7b3331dd71a9d6c9c5b4b/library/core/src/panic/unwind_safe.rs:272:9
[INFO] [stdout]       std::panicking::catch_unwind::do_call
[INFO] [stdout]              at /rustc/b6ae10aa7319b7ebb6c7b3331dd71a9d6c9c5b4b/library/std/src/panicking.rs:590:40
[INFO] [stdout]       std::panicking::catch_unwind
[INFO] [stdout]              at /rustc/b6ae10aa7319b7ebb6c7b3331dd71a9d6c9c5b4b/library/std/src/panicking.rs:553:19
[INFO] [stdout]       std::panic::catch_unwind
[INFO] [stdout]              at /rustc/b6ae10aa7319b7ebb6c7b3331dd71a9d6c9c5b4b/library/std/src/panic.rs:359:14
[INFO] [stdout]       test::run_test_in_process
[INFO] [stdout]              at /rustc/b6ae10aa7319b7ebb6c7b3331dd71a9d6c9c5b4b/library/test/src/lib.rs:686:27
[INFO] [stdout]       test::run_test::{{closure}}
[INFO] [stdout]              at /rustc/b6ae10aa7319b7ebb6c7b3331dd71a9d6c9c5b4b/library/test/src/lib.rs:607:43
[INFO] [stdout]   15: test::run_test::{{closure}}
[INFO] [stdout]              at /rustc/b6ae10aa7319b7ebb6c7b3331dd71a9d6c9c5b4b/library/test/src/lib.rs:637:41
[INFO] [stdout]       std::sys::backtrace::__rust_begin_short_backtrace
[INFO] [stdout]              at /rustc/b6ae10aa7319b7ebb6c7b3331dd71a9d6c9c5b4b/library/std/src/sys/backtrace.rs:158:18
[INFO] [stdout]   16: std::thread::Builder::spawn_unchecked_::{{closure}}::{{closure}}
[INFO] [stdout]              at /rustc/b6ae10aa7319b7ebb6c7b3331dd71a9d6c9c5b4b/library/std/src/thread/mod.rs:559:17
[INFO] [stdout]       <core::panic::unwind_safe::AssertUnwindSafe<F> as core::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]              at /rustc/b6ae10aa7319b7ebb6c7b3331dd71a9d6c9c5b4b/library/core/src/panic/unwind_safe.rs:272:9
[INFO] [stdout]       std::panicking::catch_unwind::do_call
[INFO] [stdout]              at /rustc/b6ae10aa7319b7ebb6c7b3331dd71a9d6c9c5b4b/library/std/src/panicking.rs:590:40
[INFO] [stdout]       std::panicking::catch_unwind
[INFO] [stdout]              at /rustc/b6ae10aa7319b7ebb6c7b3331dd71a9d6c9c5b4b/library/std/src/panicking.rs:553:19
[INFO] [stdout]       std::panic::catch_unwind
[INFO] [stdout]              at /rustc/b6ae10aa7319b7ebb6c7b3331dd71a9d6c9c5b4b/library/std/src/panic.rs:359:14
[INFO] [stdout]       std::thread::Builder::spawn_unchecked_::{{closure}}
[INFO] [stdout]              at /rustc/b6ae10aa7319b7ebb6c7b3331dd71a9d6c9c5b4b/library/std/src/thread/mod.rs:557:30
[INFO] [stdout]       core::ops::function::FnOnce::call_once{{vtable.shim}}
[INFO] [stdout]              at /rustc/b6ae10aa7319b7ebb6c7b3331dd71a9d6c9c5b4b/library/core/src/ops/function.rs:253:5
[INFO] [stdout]   17: <alloc::boxed::Box<F,A> as core::ops::function::FnOnce<Args>>::call_once
[INFO] [stdout]              at /rustc/b6ae10aa7319b7ebb6c7b3331dd71a9d6c9c5b4b/library/alloc/src/boxed.rs:1971:9
[INFO] [stdout]       std::sys::pal::unix::thread::Thread::new::thread_start
[INFO] [stdout]              at /rustc/b6ae10aa7319b7ebb6c7b3331dd71a9d6c9c5b4b/library/std/src/sys/pal/unix/thread.rs:107:17
[INFO] [stdout]   18: <unknown>
[INFO] [stdout]   19: clone
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] thread 'tests::engine::get_version' (25) panicked at tests/lib.rs:53:17:
[INFO] [stdout] Could not get engine version
[INFO] [stdout] stack backtrace:
[INFO] [stdout]    0:     0x62d9d2e49002 - std::backtrace_rs::backtrace::libunwind::trace::hc4a5f428cfb78751
[INFO] [stdout]                                at /rustc/b6ae10aa7319b7ebb6c7b3331dd71a9d6c9c5b4b/library/std/src/../../backtrace/src/backtrace/libunwind.rs:117:9
[INFO] [stdout]    1:     0x62d9d2e49002 - std::backtrace_rs::backtrace::trace_unsynchronized::h20e1095684b4c296
[INFO] [stdout]                                at /rustc/b6ae10aa7319b7ebb6c7b3331dd71a9d6c9c5b4b/library/std/src/../../backtrace/src/backtrace/mod.rs:66:14
[INFO] [stdout]    2:     0x62d9d2e49002 - std::sys::backtrace::_print_fmt::h461f2e3a8f6b29e2
[INFO] [stdout]                                at /rustc/b6ae10aa7319b7ebb6c7b3331dd71a9d6c9c5b4b/library/std/src/sys/backtrace.rs:66:9
[INFO] [stdout]    3:     0x62d9d2e49002 - <std::sys::backtrace::BacktraceLock::print::DisplayBacktrace as core::fmt::Display>::fmt::h4ee3a75aa71a2c45
[INFO] [stdout]                                at /rustc/b6ae10aa7319b7ebb6c7b3331dd71a9d6c9c5b4b/library/std/src/sys/backtrace.rs:39:26
[INFO] [stdout]    4:     0x62d9d2e6cedf - core::fmt::rt::Argument::fmt::h6f1564705cd089af
[INFO] [stdout]                                at /rustc/b6ae10aa7319b7ebb6c7b3331dd71a9d6c9c5b4b/library/core/src/fmt/rt.rs:173:76
[INFO] [stdout]    5:     0x62d9d2e6cedf - core::fmt::write::h21ca93b65a7c281a
[INFO] [stdout]                                at /rustc/b6ae10aa7319b7ebb6c7b3331dd71a9d6c9c5b4b/library/core/src/fmt/mod.rs:1468:25
[INFO] [stdout]    6:     0x62d9d2e35c53 - std::io::default_write_fmt::h6f3360f4711e9130
[INFO] [stdout]                                at /rustc/b6ae10aa7319b7ebb6c7b3331dd71a9d6c9c5b4b/library/std/src/io/mod.rs:639:11
[INFO] [stdout]    7:     0x62d9d2e35c53 - std::io::Write::write_fmt::hf4539125c0e0bc30
[INFO] [stdout]                                at /rustc/b6ae10aa7319b7ebb6c7b3331dd71a9d6c9c5b4b/library/std/src/io/mod.rs:1954:13
[INFO] [stdout]    8:     0x62d9d2e49652 - std::sys::backtrace::BacktraceLock::print::h58d5d73f9e953cf1
[INFO] [stdout]                                at /rustc/b6ae10aa7319b7ebb6c7b3331dd71a9d6c9c5b4b/library/std/src/sys/backtrace.rs:42:9
[INFO] [stdout]    9:     0x62d9d2e3406c - std::panicking::default_hook::{{closure}}::h1457fbe47c9457d1
[INFO] [stdout]                                at /rustc/b6ae10aa7319b7ebb6c7b3331dd71a9d6c9c5b4b/library/std/src/panicking.rs:301:27
[INFO] [stdout]   10:     0x62d9d2e33ede - std::panicking::default_hook::hccb5e73b206c0830
[INFO] [stdout]                                at /rustc/b6ae10aa7319b7ebb6c7b3331dd71a9d6c9c5b4b/library/std/src/panicking.rs:325:9
[INFO] [stdout]   11:     0x62d9d2b82aae - <alloc::boxed::Box<F,A> as core::ops::function::Fn<Args>>::call::h04940a86aa899793
[INFO] [stdout]                                at /rustc/b6ae10aa7319b7ebb6c7b3331dd71a9d6c9c5b4b/library/alloc/src/boxed.rs:1985:9
[INFO] [stdout]   12:     0x62d9d2b82aae - test::test_main_with_exit_callback::{{closure}}::hca6cc295403b83e8
[INFO] [stdout]                                at /rustc/b6ae10aa7319b7ebb6c7b3331dd71a9d6c9c5b4b/library/test/src/lib.rs:145:21
[INFO] [stdout]   13:     0x62d9d2e34e43 - <alloc::boxed::Box<F,A> as core::ops::function::Fn<Args>>::call::h9d85285925beb538
[INFO] [stdout]                                at /rustc/b6ae10aa7319b7ebb6c7b3331dd71a9d6c9c5b4b/library/alloc/src/boxed.rs:1985:9
[INFO] [stdout]   14:     0x62d9d2e34e43 - std::panicking::panic_with_hook::h3190ecc6229cdd29
[INFO] [stdout]                                at /rustc/b6ae10aa7319b7ebb6c7b3331dd71a9d6c9c5b4b/library/std/src/panicking.rs:842:13
[INFO] [stdout]   15:     0x62d9d2e4939c - std::panicking::begin_panic::{{closure}}::hed6f84fd20def0ad
[INFO] [stdout]                                at /rustc/b6ae10aa7319b7ebb6c7b3331dd71a9d6c9c5b4b/library/std/src/panicking.rs:771:9
[INFO] [stdout]   16:     0x62d9d2e49369 - std::sys::backtrace::__rust_end_short_backtrace::hc7a0655cd188b296
[INFO] [stdout]                                at /rustc/b6ae10aa7319b7ebb6c7b3331dd71a9d6c9c5b4b/library/std/src/sys/backtrace.rs:174:18
[INFO] [stdout]   17:     0x62d9d2e33dd4 - std::panicking::begin_panic::h61fda8f8436d19b1
[INFO] [stdout]                                at /rustc/b6ae10aa7319b7ebb6c7b3331dd71a9d6c9c5b4b/library/std/src/panicking.rs:770:5
[INFO] [stdout]   18:     0x62d9d2b71d07 - lib::tests::engine::get_version::h3c894bdede72ec68
[INFO] [stdout]                                at /opt/rustwide/workdir/tests/lib.rs:53:17
[INFO] [stdout]   19:     0x62d9d2b71a57 - lib::tests::engine::get_version::{{closure}}::h77dde2ce3ea5f592
[INFO] [stdout]                                at /opt/rustwide/workdir/tests/lib.rs:46:29
[INFO] [stdout]   20:     0x62d9d2b71e16 - core::ops::function::FnOnce::call_once::h56f1dfa49c38cead
[INFO] [stdout]                                at /rustc/b6ae10aa7319b7ebb6c7b3331dd71a9d6c9c5b4b/library/core/src/ops/function.rs:253:5
[INFO] [stdout]   21:     0x62d9d2b83b2b - core::ops::function::FnOnce::call_once::h70d190c46966003b
[INFO] [stdout]                                at /rustc/b6ae10aa7319b7ebb6c7b3331dd71a9d6c9c5b4b/library/core/src/ops/function.rs:253:5
[INFO] [stdout]   22:     0x62d9d2b83b2b - test::__rust_begin_short_backtrace::hb077ccaabb17d2ec
[INFO] [stdout]                                at /rustc/b6ae10aa7319b7ebb6c7b3331dd71a9d6c9c5b4b/library/test/src/lib.rs:663:18
[INFO] [stdout]   23:     0x62d9d2b81795 - test::run_test_in_process::{{closure}}::hd73eeb633a1507bd
[INFO] [stdout]                                at /rustc/b6ae10aa7319b7ebb6c7b3331dd71a9d6c9c5b4b/library/test/src/lib.rs:686:74
[INFO] [stdout]   24:     0x62d9d2b81795 - <core::panic::unwind_safe::AssertUnwindSafe<F> as core::ops::function::FnOnce<()>>::call_once::h033c82756fc9d192
[INFO] [stdout]                                at /rustc/b6ae10aa7319b7ebb6c7b3331dd71a9d6c9c5b4b/library/core/src/panic/unwind_safe.rs:272:9
[INFO] [stdout]   25:     0x62d9d2b81795 - std::panicking::catch_unwind::do_call::h734b44e243d34585
[INFO] [stdout]                                at /rustc/b6ae10aa7319b7ebb6c7b3331dd71a9d6c9c5b4b/library/std/src/panicking.rs:590:40
[INFO] [stdout]   26:     0x62d9d2b81795 - std::panicking::catch_unwind::h5e85417122517fb1
[INFO] [stdout]                                at /rustc/b6ae10aa7319b7ebb6c7b3331dd71a9d6c9c5b4b/library/std/src/panicking.rs:553:19
[INFO] [stdout]   27:     0x62d9d2b81795 - std::panic::catch_unwind::h0900e58a82a7d188
[INFO] [stdout]                                at /rustc/b6ae10aa7319b7ebb6c7b3331dd71a9d6c9c5b4b/library/std/src/panic.rs:359:14
[INFO] [stdout]   28:     0x62d9d2b81795 - test::run_test_in_process::h27721efd62ae77d0
[INFO] [stdout]                                at /rustc/b6ae10aa7319b7ebb6c7b3331dd71a9d6c9c5b4b/library/test/src/lib.rs:686:27
[INFO] [stdout]   29:     0x62d9d2b81795 - test::run_test::{{closure}}::h8b1264838cc597aa
[INFO] [stdout]                                at /rustc/b6ae10aa7319b7ebb6c7b3331dd71a9d6c9c5b4b/library/test/src/lib.rs:607:43
[INFO] [stdout]   30:     0x62d9d2ba86a4 - test::run_test::{{closure}}::h6ecb96835e2eae4f
[INFO] [stdout]                                at /rustc/b6ae10aa7319b7ebb6c7b3331dd71a9d6c9c5b4b/library/test/src/lib.rs:637:41
[INFO] [stdout]   31:     0x62d9d2ba86a4 - std::sys::backtrace::__rust_begin_short_backtrace::h098f38ee82a820a7
[INFO] [stdout]                                at /rustc/b6ae10aa7319b7ebb6c7b3331dd71a9d6c9c5b4b/library/std/src/sys/backtrace.rs:158:18
[INFO] [stdout]   32:     0x62d9d2b8f2ba - std::thread::Builder::spawn_unchecked_::{{closure}}::{{closure}}::h042592f748f5e369
[INFO] [stdout]                                at /rustc/b6ae10aa7319b7ebb6c7b3331dd71a9d6c9c5b4b/library/std/src/thread/mod.rs:559:17
[INFO] [stdout]   33:     0x62d9d2b8f2ba - <core::panic::unwind_safe::AssertUnwindSafe<F> as core::ops::function::FnOnce<()>>::call_once::h134fe7f3a2d9ec8d
[INFO] [stdout]                                at /rustc/b6ae10aa7319b7ebb6c7b3331dd71a9d6c9c5b4b/library/core/src/panic/unwind_safe.rs:272:9
[INFO] [stdout]   34:     0x62d9d2b8f2ba - std::panicking::catch_unwind::do_call::heb87d604f60aee16
[INFO] [stdout]                                at /rustc/b6ae10aa7319b7ebb6c7b3331dd71a9d6c9c5b4b/library/std/src/panicking.rs:590:40
[INFO] [stdout]   35:     0x62d9d2b8f2ba - std::panicking::catch_unwind::h2203a0f553b89fd7
[INFO] [stdout]                                at /rustc/b6ae10aa7319b7ebb6c7b3331dd71a9d6c9c5b4b/library/std/src/panicking.rs:553:19
[INFO] [stdout]   36:     0x62d9d2b8f2ba - std::panic::catch_unwind::h4d383e0b0e25d838
[INFO] [stdout]                                at /rustc/b6ae10aa7319b7ebb6c7b3331dd71a9d6c9c5b4b/library/std/src/panic.rs:359:14
[INFO] [stdout]   37:     0x62d9d2b8f2ba - std::thread::Builder::spawn_unchecked_::{{closure}}::h76cbdd4635cfd58b
[INFO] [stdout]                                at /rustc/b6ae10aa7319b7ebb6c7b3331dd71a9d6c9c5b4b/library/std/src/thread/mod.rs:557:30
[INFO] [stdout]   38:     0x62d9d2b8f2ba - core::ops::function::FnOnce::call_once{{vtable.shim}}::he72e066680f5e267
[INFO] [stdout]                                at /rustc/b6ae10aa7319b7ebb6c7b3331dd71a9d6c9c5b4b/library/core/src/ops/function.rs:253:5
[INFO] [stdout]   39:     0x62d9d2e1ea4f - <alloc::boxed::Box<F,A> as core::ops::function::FnOnce<Args>>::call_once::h1b9c6fea2cbefc68
[INFO] [stdout]                                at /rustc/b6ae10aa7319b7ebb6c7b3331dd71a9d6c9c5b4b/library/alloc/src/boxed.rs:1971:9
[INFO] [stdout]   40:     0x62d9d2e1ea4f - std::sys::pal::unix::thread::Thread::new::thread_start::h92caa992bc760789
[INFO] [stdout]                                at /rustc/b6ae10aa7319b7ebb6c7b3331dd71a9d6c9c5b4b/library/std/src/sys/pal/unix/thread.rs:107:17
[INFO] [stdout]   41:     0x787a3554caa4 - <unknown>
[INFO] [stdout]   42:     0x787a355d9a34 - clone
[INFO] [stdout]   43:                0x0 - <unknown>
[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/index.crates.io-1949cf8c6b5b557f/error-chain-0.11.0/src/lib.rs:616:23
[INFO] [stdout]    1: core::ops::function::FnOnce::call_once
[INFO] [stdout]              at /rustc/b6ae10aa7319b7ebb6c7b3331dd71a9d6c9c5b4b/library/core/src/ops/function.rs:253:5
[INFO] [stdout]    2: core::option::Option<T>::or_else
[INFO] [stdout]              at /rustc/b6ae10aa7319b7ebb6c7b3331dd71a9d6c9c5b4b/library/core/src/option.rs:1647:21
[INFO] [stdout]    3: error_chain::State::new
[INFO] [stdout]              at /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/error-chain-0.11.0/src/lib.rs:724:52
[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/index.crates.io-1949cf8c6b5b557f/error-chain-0.11.0/src/error_chain.rs:330:33
[INFO] [stdout]    5: core::result::Result<T,E>::map_err
[INFO] [stdout]              at /rustc/b6ae10aa7319b7ebb6c7b3331dd71a9d6c9c5b4b/library/core/src/result.rs:960:27
[INFO] [stdout]    6: <core::result::Result<T,E> as narwhal::errors::ResultExt<T>>::chain_err
[INFO] [stdout]              at /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/error-chain-0.11.0/src/error_chain.rs:329:22
[INFO] [stdout]    7: <narwhal::unix::UnixStream as narwhal::httpstream::HttpStream>::connect
[INFO] [stdout]              at src/unix.rs:19:66
[INFO] [stdout]    8: narwhal::network::get
[INFO] [stdout]              at src/network.rs:17:26
[INFO] [stdout]    9: narwhal::engine::ping
[INFO] [stdout]              at src/engine.rs:36:20
[INFO] [stdout]   10: lib::tests::engine::ping_engine
[INFO] [stdout]              at tests/lib.rs:60:24
[INFO] [stdout]   11: lib::tests::engine::ping_engine::{{closure}}
[INFO] [stdout]              at tests/lib.rs:58:29
[INFO] [stdout]   12: core::ops::function::FnOnce::call_once
[INFO] [stdout]              at /rustc/b6ae10aa7319b7ebb6c7b3331dd71a9d6c9c5b4b/library/core/src/ops/function.rs:253:5
[INFO] [stdout]   13: core::ops::function::FnOnce::call_once
[INFO] [stdout]              at /rustc/b6ae10aa7319b7ebb6c7b3331dd71a9d6c9c5b4b/library/core/src/ops/function.rs:253:5
[INFO] [stdout]       test::__rust_begin_short_backtrace
[INFO] [stdout]              at /rustc/b6ae10aa7319b7ebb6c7b3331dd71a9d6c9c5b4b/library/test/src/lib.rs:663:18
[INFO] [stdout]   14: test::run_test_in_process::{{closure}}
[INFO] [stdout]              at /rustc/b6ae10aa7319b7ebb6c7b3331dd71a9d6c9c5b4b/library/test/src/lib.rs:686:74
[INFO] [stdout]       <core::panic::unwind_safe::AssertUnwindSafe<F> as core::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]              at /rustc/b6ae10aa7319b7ebb6c7b3331dd71a9d6c9c5b4b/library/core/src/panic/unwind_safe.rs:272:9
[INFO] [stdout]       std::panicking::catch_unwind::do_call
[INFO] [stdout]              at /rustc/b6ae10aa7319b7ebb6c7b3331dd71a9d6c9c5b4b/library/std/src/panicking.rs:590:40
[INFO] [stdout]       std::panicking::catch_unwind
[INFO] [stdout]              at /rustc/b6ae10aa7319b7ebb6c7b3331dd71a9d6c9c5b4b/library/std/src/panicking.rs:553:19
[INFO] [stdout]       std::panic::catch_unwind
[INFO] [stdout]              at /rustc/b6ae10aa7319b7ebb6c7b3331dd71a9d6c9c5b4b/library/std/src/panic.rs:359:14
[INFO] [stdout]       test::run_test_in_process
[INFO] [stdout]              at /rustc/b6ae10aa7319b7ebb6c7b3331dd71a9d6c9c5b4b/library/test/src/lib.rs:686:27
[INFO] [stdout]       test::run_test::{{closure}}
[INFO] [stdout]              at /rustc/b6ae10aa7319b7ebb6c7b3331dd71a9d6c9c5b4b/library/test/src/lib.rs:607:43
[INFO] [stdout]   15: test::run_test::{{closure}}
[INFO] [stdout]              at /rustc/b6ae10aa7319b7ebb6c7b3331dd71a9d6c9c5b4b/library/test/src/lib.rs:637:41
[INFO] [stdout]       std::sys::backtrace::__rust_begin_short_backtrace
[INFO] [stdout]              at /rustc/b6ae10aa7319b7ebb6c7b3331dd71a9d6c9c5b4b/library/std/src/sys/backtrace.rs:158:18
[INFO] [stdout]   16: std::thread::Builder::spawn_unchecked_::{{closure}}::{{closure}}
[INFO] [stdout]              at /rustc/b6ae10aa7319b7ebb6c7b3331dd71a9d6c9c5b4b/library/std/src/thread/mod.rs:559:17
[INFO] [stdout]       <core::panic::unwind_safe::AssertUnwindSafe<F> as core::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]              at /rustc/b6ae10aa7319b7ebb6c7b3331dd71a9d6c9c5b4b/library/core/src/panic/unwind_safe.rs:272:9
[INFO] [stdout]       std::panicking::catch_unwind::do_call
[INFO] [stdout]              at /rustc/b6ae10aa7319b7ebb6c7b3331dd71a9d6c9c5b4b/library/std/src/panicking.rs:590:40
[INFO] [stdout]       std::panicking::catch_unwind
[INFO] [stdout]              at /rustc/b6ae10aa7319b7ebb6c7b3331dd71a9d6c9c5b4b/library/std/src/panicking.rs:553:19
[INFO] [stdout]       std::panic::catch_unwind
[INFO] [stdout]              at /rustc/b6ae10aa7319b7ebb6c7b3331dd71a9d6c9c5b4b/library/std/src/panic.rs:359:14
[INFO] [stdout]       std::thread::Builder::spawn_unchecked_::{{closure}}
[INFO] [stdout]              at /rustc/b6ae10aa7319b7ebb6c7b3331dd71a9d6c9c5b4b/library/std/src/thread/mod.rs:557:30
[INFO] [stdout]       core::ops::function::FnOnce::call_once{{vtable.shim}}
[INFO] [stdout]              at /rustc/b6ae10aa7319b7ebb6c7b3331dd71a9d6c9c5b4b/library/core/src/ops/function.rs:253:5
[INFO] [stdout]   17: <alloc::boxed::Box<F,A> as core::ops::function::FnOnce<Args>>::call_once
[INFO] [stdout]              at /rustc/b6ae10aa7319b7ebb6c7b3331dd71a9d6c9c5b4b/library/alloc/src/boxed.rs:1971:9
[INFO] [stdout]       std::sys::pal::unix::thread::Thread::new::thread_start
[INFO] [stdout]              at /rustc/b6ae10aa7319b7ebb6c7b3331dd71a9d6c9c5b4b/library/std/src/sys/pal/unix/thread.rs:107:17
[INFO] [stdout]   18: <unknown>
[INFO] [stdout]   19: clone
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] thread 'tests::engine::ping_engine' (26) panicked at tests/lib.rs:64:17:
[INFO] [stdout] Could not ping engine
[INFO] [stdout] stack backtrace:
[INFO] [stdout]    0:     0x62d9d2e49002 - std::backtrace_rs::backtrace::libunwind::trace::hc4a5f428cfb78751
[INFO] [stdout]                                at /rustc/b6ae10aa7319b7ebb6c7b3331dd71a9d6c9c5b4b/library/std/src/../../backtrace/src/backtrace/libunwind.rs:117:9
[INFO] [stdout]    1:     0x62d9d2e49002 - std::backtrace_rs::backtrace::trace_unsynchronized::h20e1095684b4c296
[INFO] [stdout]                                at /rustc/b6ae10aa7319b7ebb6c7b3331dd71a9d6c9c5b4b/library/std/src/../../backtrace/src/backtrace/mod.rs:66:14
[INFO] [stdout]    2:     0x62d9d2e49002 - std::sys::backtrace::_print_fmt::h461f2e3a8f6b29e2
[INFO] [stdout]                                at /rustc/b6ae10aa7319b7ebb6c7b3331dd71a9d6c9c5b4b/library/std/src/sys/backtrace.rs:66:9
[INFO] [stdout]    3:     0x62d9d2e49002 - <std::sys::backtrace::BacktraceLock::print::DisplayBacktrace as core::fmt::Display>::fmt::h4ee3a75aa71a2c45
[INFO] [stdout]                                at /rustc/b6ae10aa7319b7ebb6c7b3331dd71a9d6c9c5b4b/library/std/src/sys/backtrace.rs:39:26
[INFO] [stdout]    4:     0x62d9d2e6cedf - core::fmt::rt::Argument::fmt::h6f1564705cd089af
[INFO] [stdout]                                at /rustc/b6ae10aa7319b7ebb6c7b3331dd71a9d6c9c5b4b/library/core/src/fmt/rt.rs:173:76
[INFO] [stdout]    5:     0x62d9d2e6cedf - core::fmt::write::h21ca93b65a7c281a
[INFO] [stdout]                                at /rustc/b6ae10aa7319b7ebb6c7b3331dd71a9d6c9c5b4b/library/core/src/fmt/mod.rs:1468:25
[INFO] [stdout]    6:     0x62d9d2e35c53 - std::io::default_write_fmt::h6f3360f4711e9130
[INFO] [stdout]                                at /rustc/b6ae10aa7319b7ebb6c7b3331dd71a9d6c9c5b4b/library/std/src/io/mod.rs:639:11
[INFO] [stdout]    7:     0x62d9d2e35c53 - std::io::Write::write_fmt::hf4539125c0e0bc30
[INFO] [stdout]                                at /rustc/b6ae10aa7319b7ebb6c7b3331dd71a9d6c9c5b4b/library/std/src/io/mod.rs:1954:13
[INFO] [stdout]    8:     0x62d9d2e49652 - std::sys::backtrace::BacktraceLock::print::h58d5d73f9e953cf1
[INFO] [stdout]                                at /rustc/b6ae10aa7319b7ebb6c7b3331dd71a9d6c9c5b4b/library/std/src/sys/backtrace.rs:42:9
[INFO] [stdout]    9:     0x62d9d2e3406c - std::panicking::default_hook::{{closure}}::h1457fbe47c9457d1
[INFO] [stdout]                                at /rustc/b6ae10aa7319b7ebb6c7b3331dd71a9d6c9c5b4b/library/std/src/panicking.rs:301:27
[INFO] [stdout]   10:     0x62d9d2e33ede - std::panicking::default_hook::hccb5e73b206c0830
[INFO] [stdout]                                at /rustc/b6ae10aa7319b7ebb6c7b3331dd71a9d6c9c5b4b/library/std/src/panicking.rs:325:9
[INFO] [stdout]   11:     0x62d9d2b82aae - <alloc::boxed::Box<F,A> as core::ops::function::Fn<Args>>::call::h04940a86aa899793
[INFO] [stdout]                                at /rustc/b6ae10aa7319b7ebb6c7b3331dd71a9d6c9c5b4b/library/alloc/src/boxed.rs:1985:9
[INFO] [stdout]   12:     0x62d9d2b82aae - test::test_main_with_exit_callback::{{closure}}::hca6cc295403b83e8
[INFO] [stdout]                                at /rustc/b6ae10aa7319b7ebb6c7b3331dd71a9d6c9c5b4b/library/test/src/lib.rs:145:21
[INFO] [stdout]   13:     0x62d9d2e34e43 - <alloc::boxed::Box<F,A> as core::ops::function::Fn<Args>>::call::h9d85285925beb538
[INFO] [stdout]                                at /rustc/b6ae10aa7319b7ebb6c7b3331dd71a9d6c9c5b4b/library/alloc/src/boxed.rs:1985:9
[INFO] [stdout]   14:     0x62d9d2e34e43 - std::panicking::panic_with_hook::h3190ecc6229cdd29
[INFO] [stdout]                                at /rustc/b6ae10aa7319b7ebb6c7b3331dd71a9d6c9c5b4b/library/std/src/panicking.rs:842:13
[INFO] [stdout]   15:     0x62d9d2e4939c - std::panicking::begin_panic::{{closure}}::hed6f84fd20def0ad
[INFO] [stdout]                                at /rustc/b6ae10aa7319b7ebb6c7b3331dd71a9d6c9c5b4b/library/std/src/panicking.rs:771:9
[INFO] [stdout]   16:     0x62d9d2e49369 - std::sys::backtrace::__rust_end_short_backtrace::hc7a0655cd188b296
[INFO] [stdout]                                at /rustc/b6ae10aa7319b7ebb6c7b3331dd71a9d6c9c5b4b/library/std/src/sys/backtrace.rs:174:18
[INFO] [stdout]   17:     0x62d9d2e33dd4 - std::panicking::begin_panic::h61fda8f8436d19b1
[INFO] [stdout]                                at /rustc/b6ae10aa7319b7ebb6c7b3331dd71a9d6c9c5b4b/library/std/src/panicking.rs:770:5
[INFO] [stdout]   18:     0x62d9d2b71bc5 - lib::tests::engine::ping_engine::h11661e777a02dd4c
[INFO] [stdout]                                at /opt/rustwide/workdir/tests/lib.rs:64:17
[INFO] [stdout]   19:     0x62d9d2b71a87 - lib::tests::engine::ping_engine::{{closure}}::hbd9f74b7a6f95b0e
[INFO] [stdout]                                at /opt/rustwide/workdir/tests/lib.rs:58:29
[INFO] [stdout]   20:     0x62d9d2b71db6 - core::ops::function::FnOnce::call_once::hbf7a77aaf7e333d1
[INFO] [stdout]                                at /rustc/b6ae10aa7319b7ebb6c7b3331dd71a9d6c9c5b4b/library/core/src/ops/function.rs:253:5
[INFO] [stdout]   21:     0x62d9d2b83b2b - core::ops::function::FnOnce::call_once::h70d190c46966003b
[INFO] [stdout]                                at /rustc/b6ae10aa7319b7ebb6c7b3331dd71a9d6c9c5b4b/library/core/src/ops/function.rs:253:5
[INFO] [stdout]   22:     0x62d9d2b83b2b - test::__rust_begin_short_backtrace::hb077ccaabb17d2ec
[INFO] [stdout]                                at /rustc/b6ae10aa7319b7ebb6c7b3331dd71a9d6c9c5b4b/library/test/src/lib.rs:663:18
[INFO] [stdout]   23:     0x62d9d2b81795 - test::run_test_in_process::{{closure}}::hd73eeb633a1507bd
[INFO] [stdout]                                at /rustc/b6ae10aa7319b7ebb6c7b3331dd71a9d6c9c5b4b/library/test/src/lib.rs:686:74
[INFO] [stdout]   24:     0x62d9d2b81795 - <core::panic::unwind_safe::AssertUnwindSafe<F> as core::ops::function::FnOnce<()>>::call_once::h033c82756fc9d192
[INFO] [stdout]                                at /rustc/b6ae10aa7319b7ebb6c7b3331dd71a9d6c9c5b4b/library/core/src/panic/unwind_safe.rs:272:9
[INFO] [stdout]   25:     0x62d9d2b81795 - std::panicking::catch_unwind::do_call::h734b44e243d34585
[INFO] [stdout]                                at /rustc/b6ae10aa7319b7ebb6c7b3331dd71a9d6c9c5b4b/library/std/src/panicking.rs:590:40
[INFO] [stdout]   26:     0x62d9d2b81795 - std::panicking::catch_unwind::h5e85417122517fb1
[INFO] [stdout]                                at /rustc/b6ae10aa7319b7ebb6c7b3331dd71a9d6c9c5b4b/library/std/src/panicking.rs:553:19
[INFO] [stdout]   27:     0x62d9d2b81795 - std::panic::catch_unwind::h0900e58a82a7d188
[INFO] [stdout]                                at /rustc/b6ae10aa7319b7ebb6c7b3331dd71a9d6c9c5b4b/library/std/src/panic.rs:359:14
[INFO] [stdout]   28:     0x62d9d2b81795 - test::run_test_in_process::h27721efd62ae77d0
[INFO] [stdout]                                at /rustc/b6ae10aa7319b7ebb6c7b3331dd71a9d6c9c5b4b/library/test/src/lib.rs:686:27
[INFO] [stdout]   29:     0x62d9d2b81795 - test::run_test::{{closure}}::h8b1264838cc597aa
[INFO] [stdout]                                at /rustc/b6ae10aa7319b7ebb6c7b3331dd71a9d6c9c5b4b/library/test/src/lib.rs:607:43
[INFO] [stdout]   30:     0x62d9d2ba86a4 - test::run_test::{{closure}}::h6ecb96835e2eae4f
[INFO] [stdout]                                at /rustc/b6ae10aa7319b7ebb6c7b3331dd71a9d6c9c5b4b/library/test/src/lib.rs:637:41
[INFO] [stdout]   31:     0x62d9d2ba86a4 - std::sys::backtrace::__rust_begin_short_backtrace::h098f38ee82a820a7
[INFO] [stdout]                                at /rustc/b6ae10aa7319b7ebb6c7b3331dd71a9d6c9c5b4b/library/std/src/sys/backtrace.rs:158:18
[INFO] [stdout]   32:     0x62d9d2b8f2ba - std::thread::Builder::spawn_unchecked_::{{closure}}::{{closure}}::h042592f748f5e369
[INFO] [stdout]                                at /rustc/b6ae10aa7319b7ebb6c7b3331dd71a9d6c9c5b4b/library/std/src/thread/mod.rs:559:17
[INFO] [stdout]   33:     0x62d9d2b8f2ba - <core::panic::unwind_safe::AssertUnwindSafe<F> as core::ops::function::FnOnce<()>>::call_once::h134fe7f3a2d9ec8d
[INFO] [stdout]                                at /rustc/b6ae10aa7319b7ebb6c7b3331dd71a9d6c9c5b4b/library/core/src/panic/unwind_safe.rs:272:9
[INFO] [stdout]   34:     0x62d9d2b8f2ba - std::panicking::catch_unwind::do_call::heb87d604f60aee16
[INFO] [stdout]                                at /rustc/b6ae10aa7319b7ebb6c7b3331dd71a9d6c9c5b4b/library/std/src/panicking.rs:590:40
[INFO] [stdout]   35:     0x62d9d2b8f2ba - std::panicking::catch_unwind::h2203a0f553b89fd7
[INFO] [stdout]                                at /rustc/b6ae10aa7319b7ebb6c7b3331dd71a9d6c9c5b4b/library/std/src/panicking.rs:553:19
[INFO] [stdout]   36:     0x62d9d2b8f2ba - std::panic::catch_unwind::h4d383e0b0e25d838
[INFO] [stdout]                                at /rustc/b6ae10aa7319b7ebb6c7b3331dd71a9d6c9c5b4b/library/std/src/panic.rs:359:14
[INFO] [stdout]   37:     0x62d9d2b8f2ba - std::thread::Builder::spawn_unchecked_::{{closure}}::h76cbdd4635cfd58b
[INFO] [stdout]                                at /rustc/b6ae10aa7319b7ebb6c7b3331dd71a9d6c9c5b4b/library/std/src/thread/mod.rs:557:30
[INFO] [stdout]   38:     0x62d9d2b8f2ba - core::ops::function::FnOnce::call_once{{vtable.shim}}::he72e066680f5e267
[INFO] [stdout]                                at /rustc/b6ae10aa7319b7ebb6c7b3331dd71a9d6c9c5b4b/library/core/src/ops/function.rs:253:5
[INFO] [stdout]   39:     0x62d9d2e1ea4f - <alloc::boxed::Box<F,A> as core::ops::function::FnOnce<Args>>::call_once::h1b9c6fea2cbefc68
[INFO] [stdout]                                at /rustc/b6ae10aa7319b7ebb6c7b3331dd71a9d6c9c5b4b/library/alloc/src/boxed.rs:1971:9
[INFO] [stdout]   40:     0x62d9d2e1ea4f - std::sys::pal::unix::thread::Thread::new::thread_start::h92caa992bc760789
[INFO] [stdout]                                at /rustc/b6ae10aa7319b7ebb6c7b3331dd71a9d6c9c5b4b/library/std/src/sys/pal/unix/thread.rs:107:17
[INFO] [stdout]   41:     0x787a3554caa4 - <unknown>
[INFO] [stdout]   42:     0x787a355d9a34 - clone
[INFO] [stdout]   43:                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; finished in 0.34s
[INFO] [stdout] 
[INFO] [stderr] error: test failed, to rerun pass `--test lib`
[INFO] running `Command { std: "docker" "inspect" "0d169cd75e2084c067914b0f4d2d9668d0a7c848974b3a2440f9f6009f1f242c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0d169cd75e2084c067914b0f4d2d9668d0a7c848974b3a2440f9f6009f1f242c", kill_on_drop: false }`
[INFO] [stdout] 0d169cd75e2084c067914b0f4d2d9668d0a7c848974b3a2440f9f6009f1f242c