[INFO] fetching crate jmx 0.2.1...
[INFO] testing jmx-0.2.1 against 1.54.0 for beta-1.55-1
[INFO] extracting crate jmx 0.2.1 into /workspace/builds/worker-68/source
[INFO] validating manifest of crates.io crate jmx 0.2.1 on toolchain 1.54.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.54.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate jmx 0.2.1
[INFO] removed 0 missing tests
[INFO] finished tweaking crates.io crate jmx 0.2.1
[INFO] tweaked toml for crates.io crate jmx 0.2.1 written to /workspace/builds/worker-68/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.54.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.54.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[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-68/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-68/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" "+1.54.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 6326103d2b869f5b34c1b4981adf864ffa60589afb0dccd2d6436dc654337fb3
[INFO] running `Command { std: "docker" "start" "-a" "6326103d2b869f5b34c1b4981adf864ffa60589afb0dccd2d6436dc654337fb3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "6326103d2b869f5b34c1b4981adf864ffa60589afb0dccd2d6436dc654337fb3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6326103d2b869f5b34c1b4981adf864ffa60589afb0dccd2d6436dc654337fb3", kill_on_drop: false }`
[INFO] [stdout] 6326103d2b869f5b34c1b4981adf864ffa60589afb0dccd2d6436dc654337fb3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-68/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-68/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" "+1.54.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 34c74b16dce1dce03185c77b84997aa7cb1f46355991667b55817923c2c755e4
[INFO] running `Command { std: "docker" "start" "-a" "34c74b16dce1dce03185c77b84997aa7cb1f46355991667b55817923c2c755e4", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.98
[INFO] [stderr]    Compiling typenum v1.13.0
[INFO] [stderr]    Compiling syn v1.0.74
[INFO] [stderr]    Compiling cc v1.0.69
[INFO] [stderr]    Compiling byte-tools v0.3.1
[INFO] [stderr]    Compiling memchr v2.4.0
[INFO] [stderr]    Compiling serde_derive v1.0.127
[INFO] [stderr]    Compiling byteorder v1.4.3
[INFO] [stderr]    Compiling serde v1.0.127
[INFO] [stderr]    Compiling fake-simd v0.1.2
[INFO] [stderr]    Compiling glob v0.2.11
[INFO] [stderr]    Compiling opaque-debug v0.2.3
[INFO] [stderr]    Compiling log v0.4.14
[INFO] [stderr]    Compiling serde_json v1.0.66
[INFO] [stderr]    Compiling failure_derive v0.1.8
[INFO] [stderr]    Compiling jni-sys v0.3.0
[INFO] [stderr]    Compiling cesu8 v1.1.0
[INFO] [stderr]    Compiling proc-macro2 v1.0.28
[INFO] [stderr]    Compiling miniz_oxide v0.4.4
[INFO] [stderr]    Compiling addr2line v0.16.0
[INFO] [stderr]    Compiling block-padding v0.1.5
[INFO] [stderr]    Compiling java-locator v0.1.2
[INFO] [stderr]    Compiling quote v1.0.9
[INFO] [stderr]    Compiling object v0.26.0
[INFO] [stderr]    Compiling backtrace v0.3.61
[INFO] [stderr]    Compiling libloading v0.5.2
[INFO] [stderr]    Compiling dirs-sys v0.3.6
[INFO] [stderr]    Compiling dirs v2.0.2
[INFO] [stderr]    Compiling generic-array v0.12.4
[INFO] [stderr]    Compiling block-buffer v0.7.3
[INFO] [stderr]    Compiling digest v0.8.1
[INFO] [stderr]    Compiling sha2 v0.8.2
[INFO] [stderr]    Compiling j4rs v0.11.2
[INFO] [stderr]    Compiling synstructure v0.12.5
[INFO] [stderr]    Compiling failure v0.1.8
[INFO] [stderr]    Compiling jmx v0.2.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 24.42s
[INFO] running `Command { std: "docker" "inspect" "34c74b16dce1dce03185c77b84997aa7cb1f46355991667b55817923c2c755e4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "34c74b16dce1dce03185c77b84997aa7cb1f46355991667b55817923c2c755e4", kill_on_drop: false }`
[INFO] [stdout] 34c74b16dce1dce03185c77b84997aa7cb1f46355991667b55817923c2c755e4
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-68/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-68/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" "+1.54.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 45f494bcb37d47d204adfda3d9f5a117701b6d1422d574b1312fad007a7bf939
[INFO] running `Command { std: "docker" "start" "-a" "45f494bcb37d47d204adfda3d9f5a117701b6d1422d574b1312fad007a7bf939", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling jmx v0.2.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 2.31s
[INFO] running `Command { std: "docker" "inspect" "45f494bcb37d47d204adfda3d9f5a117701b6d1422d574b1312fad007a7bf939", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "45f494bcb37d47d204adfda3d9f5a117701b6d1422d574b1312fad007a7bf939", kill_on_drop: false }`
[INFO] [stdout] 45f494bcb37d47d204adfda3d9f5a117701b6d1422d574b1312fad007a7bf939
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-68/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-68/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" "+1.54.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 70820bb54988b6b6a4ebec03a0e75702fc24f906355866353742ee529b77d9c5
[INFO] running `Command { std: "docker" "start" "-a" "70820bb54988b6b6a4ebec03a0e75702fc24f906355866353742ee529b77d9c5", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.24s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/jmx-11f7a5df9ae733ac)
[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; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]      Running tests/0-intro.rs (/opt/rustwide/target/debug/deps/0_intro-46df491208b3d63d)
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stderr] Error: Exception thrown by the agent : java.net.MalformedURLException: Local host name unknown: java.net.UnknownHostException: 70820bb54988: 70820bb54988: Temporary failure in name resolution
[INFO] [stderr] sun.management.AgentConfigurationError: java.net.MalformedURLException: Local host name unknown: java.net.UnknownHostException: 70820bb54988: 70820bb54988: Temporary failure in name resolution
[INFO] [stderr] 	at sun.management.jmxremote.ConnectorBootstrap.startRemoteConnectorServer(ConnectorBootstrap.java:480)
[INFO] [stderr] 	at sun.management.Agent.startAgent(Agent.java:262)
[INFO] [stderr] 	at sun.management.Agent.startAgent(Agent.java:452)
[INFO] [stderr] Caused by: java.net.MalformedURLException: Local host name unknown: java.net.UnknownHostException: 70820bb54988: 70820bb54988: Temporary failure in name resolution
[INFO] [stderr] 	at javax.management.remote.JMXServiceURL.<init>(JMXServiceURL.java:289)
[INFO] [stderr] 	at javax.management.remote.JMXServiceURL.<init>(JMXServiceURL.java:253)
[INFO] [stderr] 	at sun.management.jmxremote.ConnectorBootstrap.exportMBeanServer(ConnectorBootstrap.java:739)
[INFO] [stderr] 	at sun.management.jmxremote.ConnectorBootstrap.startRemoteConnectorServer(ConnectorBootstrap.java:468)
[INFO] [stderr] 	... 2 more
[INFO] [stderr] Exception in thread "main" org.astonbitecode.j4rs.errors.InvocationException: Error while invoking method connect of Class javax.management.remote.JMXConnectorFactory
[INFO] [stderr] 	at org.astonbitecode.j4rs.api.invocation.JsonInvocationImpl.invokeStatic(JsonInvocationImpl.java:74)
[INFO] [stderr] Caused by: java.lang.reflect.InvocationTargetException
[INFO] [stderr] 	at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
[INFO] [stderr] 	at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
[INFO] [stderr] 	at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
[INFO] [stderr] 	at java.lang.reflect.Method.invoke(Method.java:498)
[INFO] [stderr] 	at org.astonbitecode.j4rs.api.invocation.JsonInvocationImpl.invokeMethod(JsonInvocationImpl.java:170)
[INFO] [stderr] 	at org.astonbitecode.j4rs.api.invocation.JsonInvocationImpl.invokeStatic(JsonInvocationImpl.java:71)
[INFO] [stderr] Caused by: java.io.IOException: Failed to retrieve RMIServer stub: javax.naming.ServiceUnavailableException [Root exception is java.rmi.ConnectException: Connection refused to host: localhost; nested exception is: 
[INFO] [stderr] 	java.net.ConnectException: Connection refused (Connection refused)]
[INFO] [stderr] 	at javax.management.remote.rmi.RMIConnector.connect(RMIConnector.java:369)
[INFO] [stderr] 	at javax.management.remote.JMXConnectorFactory.connect(JMXConnectorFactory.java:270)
[INFO] [stderr] 	at javax.management.remote.JMXConnectorFactory.connect(JMXConnectorFactory.java:229)
[INFO] [stderr] 	... 6 more
[INFO] [stderr] Caused by: javax.naming.ServiceUnavailableException [Root exception is java.rmi.ConnectException: Connection refused to host: localhost; nested exception is: 
[INFO] [stderr] 	java.net.ConnectException: Connection refused (Connection refused)]
[INFO] [stderr] 	at com.sun.jndi.rmi.registry.RegistryContext.lookup(RegistryContext.java:136)
[INFO] [stderr] 	at com.sun.jndi.toolkit.url.GenericURLContext.lookup(GenericURLContext.java:205)
[INFO] [stderr] 	at javax.naming.InitialContext.lookup(InitialContext.java:417)
[INFO] [stderr] 	at javax.management.remote.rmi.RMIConnector.findRMIServerJNDI(RMIConnector.java:1955)
[INFO] [stderr] 	at javax.management.remote.rmi.RMIConnector.findRMIServer(RMIConnector.java:1922)
[INFO] [stderr] 	at javax.management.remote.rmi.RMIConnector.connect(RMIConnector.java:287)
[INFO] [stderr] 	... 8 more
[INFO] [stderr] Caused by: java.rmi.ConnectException: Connection refused to host: localhost; nested exception is: 
[INFO] [stderr] 	java.net.ConnectException: Connection refused (Connection refused)
[INFO] [stderr] 	at sun.rmi.transport.tcp.TCPEndpoint.newSocket(TCPEndpoint.java:623)
[INFO] [stderr] 	at sun.rmi.transport.tcp.TCPChannel.createConnection(TCPChannel.java:216)
[INFO] [stderr] 	at sun.rmi.transport.tcp.TCPChannel.newConnection(TCPChannel.java:202)
[INFO] [stderr] 	at sun.rmi.server.UnicastRef.newCall(UnicastRef.java:343)
[INFO] [stderr] 	at sun.rmi.registry.RegistryImpl_Stub.lookup(RegistryImpl_Stub.java:116)
[INFO] [stderr] 	at com.sun.jndi.rmi.registry.RegistryContext.lookup(RegistryContext.java:132)
[INFO] [stderr] 	... 13 more
[INFO] [stderr] Caused by: java.net.ConnectException: Connection refused (Connection refused)
[INFO] [stderr] 	at java.net.PlainSocketImpl.socketConnect(Native Method)
[INFO] [stderr] 	at java.net.AbstractPlainSocketImpl.doConnect(AbstractPlainSocketImpl.java:350)
[INFO] [stderr] 	at java.net.AbstractPlainSocketImpl.connectToAddress(AbstractPlainSocketImpl.java:206)
[INFO] [stderr] 	at java.net.AbstractPlainSocketImpl.connect(AbstractPlainSocketImpl.java:188)
[INFO] [stderr] 	at java.net.SocksSocketImpl.connect(SocksSocketImpl.java:392)
[INFO] [stderr] 	at java.net.Socket.connect(Socket.java:607)
[INFO] [stderr] 	at java.net.Socket.connect(Socket.java:556)
[INFO] [stderr] 	at java.net.Socket.<init>(Socket.java:452)
[INFO] [stderr] 	at java.net.Socket.<init>(Socket.java:229)
[INFO] [stderr] 	at sun.rmi.transport.proxy.RMIDirectSocketFactory.createSocket(RMIDirectSocketFactory.java:40)
[INFO] [stderr] 	at sun.rmi.transport.proxy.RMIMasterSocketFactory.createSocket(RMIMasterSocketFactory.java:148)
[INFO] [stderr] 	at sun.rmi.transport.tcp.TCPEndpoint.newSocket(TCPEndpoint.java:617)
[INFO] [stderr] 	... 18 more
[INFO] [stdout] test introduction ... FAILED
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout] 
[INFO] [stdout] ---- introduction stdout ----
[INFO] [stdout] thread 'introduction' panicked at 'Failed to connect to the JMX test server: Error(JavaError("An Exception was thrown by Java... Please check the logs or the console.")
[INFO] [stdout] 
[INFO] [stdout]    0: failure::backtrace::internal::InternalBacktrace::new
[INFO] [stdout]              at /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/failure-0.1.8/src/backtrace/internal.rs:46:44
[INFO] [stdout]    1: failure::backtrace::Backtrace::new
[INFO] [stdout]              at /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/failure-0.1.8/src/backtrace/mod.rs:121:35
[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-0.1.8/src/error/error_impl.rs:19:17
[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-0.1.8/src/error/mod.rs:36:18
[INFO] [stdout]    4: <T as core::convert::Into<U>>::into
[INFO] [stdout]              at /rustc/a178d0322ce20e33eac124758e837cbd80a6f633/library/core/src/convert/mod.rs:538:9
[INFO] [stdout]    5: failure::context::Context<D>::with_err
[INFO] [stdout]              at /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/failure-0.1.8/src/context.rs:105:40
[INFO] [stdout]    6: failure::Fail::context
[INFO] [stdout]              at /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/failure-0.1.8/src/lib.rs:160:9
[INFO] [stdout]    7: <core::result::Result<T,E> as failure::result_ext::ResultExt<T,E>>::with_context::{{closure}}
[INFO] [stdout]              at /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/failure-0.1.8/src/result_ext.rs:174:13
[INFO] [stdout]    8: core::result::Result<T,E>::map_err
[INFO] [stdout]              at /rustc/a178d0322ce20e33eac124758e837cbd80a6f633/library/core/src/result.rs:591:27
[INFO] [stdout]    9: <core::result::Result<T,E> as failure::result_ext::ResultExt<T,E>>::with_context
[INFO] [stdout]              at /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/failure-0.1.8/src/result_ext.rs:172:9
[INFO] [stdout]   10: jmx::mbean_client::MBeanClient::mbean_server
[INFO] [stdout]              at src/mbean_client.rs:75:22
[INFO] [stdout]   11: jmx::mbean_client::MBeanClient::connect_service_url
[INFO] [stdout]              at src/mbean_client.rs:56:22
[INFO] [stdout]   12: jmx::mbean_client::MBeanClient::connect_with_options
[INFO] [stdout]              at src/mbean_client.rs:49:9
[INFO] [stdout]   13: jmx::mbean_client::MBeanClient::connect
[INFO] [stdout]              at src/mbean_client.rs:40:9
[INFO] [stdout]   14: _0_intro::run_test
[INFO] [stdout]              at tests/0-intro.rs:50:18
[INFO] [stdout]   15: _0_intro::introduction
[INFO] [stdout]              at tests/0-intro.rs:38:5
[INFO] [stdout]   16: _0_intro::introduction::{{closure}}
[INFO] [stdout]              at tests/0-intro.rs:25:1
[INFO] [stdout]   17: core::ops::function::FnOnce::call_once
[INFO] [stdout]              at /rustc/a178d0322ce20e33eac124758e837cbd80a6f633/library/core/src/ops/function.rs:227:5
[INFO] [stdout]   18: core::ops::function::FnOnce::call_once
[INFO] [stdout]              at /rustc/a178d0322ce20e33eac124758e837cbd80a6f633/library/core/src/ops/function.rs:227:5
[INFO] [stdout]       test::__rust_begin_short_backtrace
[INFO] [stdout]              at /rustc/a178d0322ce20e33eac124758e837cbd80a6f633/library/test/src/lib.rs:577:5
[INFO] [stdout]   19: <alloc::boxed::Box<F,A> as core::ops::function::FnOnce<Args>>::call_once
[INFO] [stdout]              at /rustc/a178d0322ce20e33eac124758e837cbd80a6f633/library/alloc/src/boxed.rs:1575:9
[INFO] [stdout]       <std::panic::AssertUnwindSafe<F> as core::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]              at /rustc/a178d0322ce20e33eac124758e837cbd80a6f633/library/std/src/panic.rs:347:9
[INFO] [stdout]       std::panicking::try::do_call
[INFO] [stdout]              at /rustc/a178d0322ce20e33eac124758e837cbd80a6f633/library/std/src/panicking.rs:401:40
[INFO] [stdout]       std::panicking::try
[INFO] [stdout]              at /rustc/a178d0322ce20e33eac124758e837cbd80a6f633/library/std/src/panicking.rs:365:19
[INFO] [stdout]       std::panic::catch_unwind
[INFO] [stdout]              at /rustc/a178d0322ce20e33eac124758e837cbd80a6f633/library/std/src/panic.rs:434:14
[INFO] [stdout]       test::run_test_in_process
[INFO] [stdout]              at /rustc/a178d0322ce20e33eac124758e837cbd80a6f633/library/test/src/lib.rs:600:18
[INFO] [stdout]       test::run_test::run_test_inner::{{closure}}
[INFO] [stdout]              at /rustc/a178d0322ce20e33eac124758e837cbd80a6f633/library/test/src/lib.rs:492:39
[INFO] [stdout]   20: test::run_test::run_test_inner::{{closure}}
[INFO] [stdout]              at /rustc/a178d0322ce20e33eac124758e837cbd80a6f633/library/test/src/lib.rs:519:37
[INFO] [stdout]       std::sys_common::backtrace::__rust_begin_short_backtrace
[INFO] [stdout]              at /rustc/a178d0322ce20e33eac124758e837cbd80a6f633/library/std/src/sys_common/backtrace.rs:125:18
[INFO] [stdout]   21: std::thread::Builder::spawn_unchecked::{{closure}}::{{closure}}
[INFO] [stdout]              at /rustc/a178d0322ce20e33eac124758e837cbd80a6f633/library/std/src/thread/mod.rs:481:17
[INFO] [stdout]       <std::panic::AssertUnwindSafe<F> as core::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]              at /rustc/a178d0322ce20e33eac124758e837cbd80a6f633/library/std/src/panic.rs:347:9
[INFO] [stdout]       std::panicking::try::do_call
[INFO] [stdout]              at /rustc/a178d0322ce20e33eac124758e837cbd80a6f633/library/std/src/panicking.rs:401:40
[INFO] [stdout]       std::panicking::try
[INFO] [stdout]              at /rustc/a178d0322ce20e33eac124758e837cbd80a6f633/library/std/src/panicking.rs:365:19
[INFO] [stdout]       std::panic::catch_unwind
[INFO] [stdout]              at /rustc/a178d0322ce20e33eac124758e837cbd80a6f633/library/std/src/panic.rs:434:14
[INFO] [stdout]       std::thread::Builder::spawn_unchecked::{{closure}}
[INFO] [stdout]              at /rustc/a178d0322ce20e33eac124758e837cbd80a6f633/library/std/src/thread/mod.rs:480:30
[INFO] [stdout]       core::ops::function::FnOnce::call_once{{vtable.shim}}
[INFO] [stdout]              at /rustc/a178d0322ce20e33eac124758e837cbd80a6f633/library/core/src/ops/function.rs:227:5
[INFO] [stdout]   22: <alloc::boxed::Box<F,A> as core::ops::function::FnOnce<Args>>::call_once
[INFO] [stdout]              at /rustc/a178d0322ce20e33eac124758e837cbd80a6f633/library/alloc/src/boxed.rs:1575:9
[INFO] [stdout]       <alloc::boxed::Box<F,A> as core::ops::function::FnOnce<Args>>::call_once
[INFO] [stdout]              at /rustc/a178d0322ce20e33eac124758e837cbd80a6f633/library/alloc/src/boxed.rs:1575:9
[INFO] [stdout]       std::sys::unix::thread::Thread::new::thread_start
[INFO] [stdout]              at /rustc/a178d0322ce20e33eac124758e837cbd80a6f633/library/std/src/sys/unix/thread.rs:71:17
[INFO] [stdout]   23: start_thread
[INFO] [stdout]   24: clone
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] could not invoke static method 'javax.management.remote.JMXConnectorFactory.connect')', tests/0-intro.rs:51:10
[INFO] [stdout] stack backtrace:
[INFO] [stdout]    0:     0x558df789a760 - std::backtrace_rs::backtrace::libunwind::trace::h34055254b57d8e79
[INFO] [stdout]                                at /rustc/a178d0322ce20e33eac124758e837cbd80a6f633/library/std/src/../../backtrace/src/backtrace/libunwind.rs:90:5
[INFO] [stdout]    1:     0x558df789a760 - std::backtrace_rs::backtrace::trace_unsynchronized::h8f1e3fbd9afff6ec
[INFO] [stdout]                                at /rustc/a178d0322ce20e33eac124758e837cbd80a6f633/library/std/src/../../backtrace/src/backtrace/mod.rs:66:5
[INFO] [stdout]    2:     0x558df789a760 - std::sys_common::backtrace::_print_fmt::h3a99a796b770c360
[INFO] [stdout]                                at /rustc/a178d0322ce20e33eac124758e837cbd80a6f633/library/std/src/sys_common/backtrace.rs:67:5
[INFO] [stdout]    3:     0x558df789a760 - <std::sys_common::backtrace::_print::DisplayBacktrace as core::fmt::Display>::fmt::h32d1f94a80615d18
[INFO] [stdout]                                at /rustc/a178d0322ce20e33eac124758e837cbd80a6f633/library/std/src/sys_common/backtrace.rs:46:22
[INFO] [stdout]    4:     0x558df78bdecc - core::fmt::write::h306731c068f7162c
[INFO] [stdout]                                at /rustc/a178d0322ce20e33eac124758e837cbd80a6f633/library/core/src/fmt/mod.rs:1110:17
[INFO] [stdout]    5:     0x558df78970b5 - std::io::Write::write_fmt::h87f19b0a2cd190bc
[INFO] [stdout]                                at /rustc/a178d0322ce20e33eac124758e837cbd80a6f633/library/std/src/io/mod.rs:1588:15
[INFO] [stdout]    6:     0x558df789c90b - std::sys_common::backtrace::_print::h5abaa2601a852287
[INFO] [stdout]                                at /rustc/a178d0322ce20e33eac124758e837cbd80a6f633/library/std/src/sys_common/backtrace.rs:49:5
[INFO] [stdout]    7:     0x558df789c90b - std::sys_common::backtrace::print::h8d81445442bb638f
[INFO] [stdout]                                at /rustc/a178d0322ce20e33eac124758e837cbd80a6f633/library/std/src/sys_common/backtrace.rs:36:9
[INFO] [stdout]    8:     0x558df789c90b - std::panicking::default_hook::{{closure}}::hcfe804496a9fa747
[INFO] [stdout]                                at /rustc/a178d0322ce20e33eac124758e837cbd80a6f633/library/std/src/panicking.rs:208:50
[INFO] [stdout]    9:     0x558df789c41c - std::panicking::default_hook::hbea8e3ccf2ba8901
[INFO] [stdout]                                at /rustc/a178d0322ce20e33eac124758e837cbd80a6f633/library/std/src/panicking.rs:222:9
[INFO] [stdout]   10:     0x558df789cfd4 - std::panicking::rust_panic_with_hook::h7ee9e1a2d0f8975a
[INFO] [stdout]                                at /rustc/a178d0322ce20e33eac124758e837cbd80a6f633/library/std/src/panicking.rs:622:17
[INFO] [stdout]   11:     0x558df789cab7 - std::panicking::begin_panic_handler::{{closure}}::h8ab3b4491718b2c7
[INFO] [stdout]                                at /rustc/a178d0322ce20e33eac124758e837cbd80a6f633/library/std/src/panicking.rs:519:13
[INFO] [stdout]   12:     0x558df789ac5c - std::sys_common::backtrace::__rust_end_short_backtrace::hd489062ffa586a9f
[INFO] [stdout]                                at /rustc/a178d0322ce20e33eac124758e837cbd80a6f633/library/std/src/sys_common/backtrace.rs:141:18
[INFO] [stdout]   13:     0x558df789ca19 - rust_begin_unwind
[INFO] [stdout]                                at /rustc/a178d0322ce20e33eac124758e837cbd80a6f633/library/std/src/panicking.rs:515:5
[INFO] [stdout]   14:     0x558df76a8761 - core::panicking::panic_fmt::hca6330e3e14086b4
[INFO] [stdout]                                at /rustc/a178d0322ce20e33eac124758e837cbd80a6f633/library/core/src/panicking.rs:92:14
[INFO] [stdout]   15:     0x558df76a8853 - core::result::unwrap_failed::h6160d2b4bfbb0e87
[INFO] [stdout]                                at /rustc/a178d0322ce20e33eac124758e837cbd80a6f633/library/core/src/result.rs:1355:5
[INFO] [stdout]   16:     0x558df76a93e5 - core::result::Result<T,E>::expect::h372b57b91bfb26ce
[INFO] [stdout]                                at /rustc/a178d0322ce20e33eac124758e837cbd80a6f633/library/core/src/result.rs:997:23
[INFO] [stdout]   17:     0x558df76acab9 - _0_intro::run_test::hc596d49429ca733c
[INFO] [stdout]                                at /opt/rustwide/workdir/tests/0-intro.rs:50:18
[INFO] [stdout]   18:     0x558df76acfb6 - _0_intro::introduction::h3e8e4f283ca0b53a
[INFO] [stdout]                                at /opt/rustwide/workdir/tests/0-intro.rs:38:5
[INFO] [stdout]   19:     0x558df76acd1a - _0_intro::introduction::{{closure}}::h3c1fd18345a7ad09
[INFO] [stdout]                                at /opt/rustwide/workdir/tests/0-intro.rs:25:1
[INFO] [stdout]   20:     0x558df76ac10e - core::ops::function::FnOnce::call_once::h14d996f318b21d63
[INFO] [stdout]                                at /rustc/a178d0322ce20e33eac124758e837cbd80a6f633/library/core/src/ops/function.rs:227:5
[INFO] [stdout]   21:     0x558df76d5dc3 - core::ops::function::FnOnce::call_once::h152e7e439ff59e19
[INFO] [stdout]                                at /rustc/a178d0322ce20e33eac124758e837cbd80a6f633/library/core/src/ops/function.rs:227:5
[INFO] [stdout]   22:     0x558df76d5dc3 - test::__rust_begin_short_backtrace::h0908f3b1fdbb72ab
[INFO] [stdout]                                at /rustc/a178d0322ce20e33eac124758e837cbd80a6f633/library/test/src/lib.rs:577:5
[INFO] [stdout]   23:     0x558df76d4880 - <alloc::boxed::Box<F,A> as core::ops::function::FnOnce<Args>>::call_once::hf6d2a51e5587546c
[INFO] [stdout]                                at /rustc/a178d0322ce20e33eac124758e837cbd80a6f633/library/alloc/src/boxed.rs:1575:9
[INFO] [stdout]   24:     0x558df76d4880 - <std::panic::AssertUnwindSafe<F> as core::ops::function::FnOnce<()>>::call_once::h8af660f3a89ef593
[INFO] [stdout]                                at /rustc/a178d0322ce20e33eac124758e837cbd80a6f633/library/std/src/panic.rs:347:9
[INFO] [stdout]   25:     0x558df76d4880 - std::panicking::try::do_call::hd36aef60f84b6d36
[INFO] [stdout]                                at /rustc/a178d0322ce20e33eac124758e837cbd80a6f633/library/std/src/panicking.rs:401:40
[INFO] [stdout]   26:     0x558df76d4880 - std::panicking::try::h9932b4480e69817c
[INFO] [stdout]                                at /rustc/a178d0322ce20e33eac124758e837cbd80a6f633/library/std/src/panicking.rs:365:19
[INFO] [stdout]   27:     0x558df76d4880 - std::panic::catch_unwind::h6aa177099cfff5f8
[INFO] [stdout]                                at /rustc/a178d0322ce20e33eac124758e837cbd80a6f633/library/std/src/panic.rs:434:14
[INFO] [stdout]   28:     0x558df76d4880 - test::run_test_in_process::h5884d6f2d99e20c3
[INFO] [stdout]                                at /rustc/a178d0322ce20e33eac124758e837cbd80a6f633/library/test/src/lib.rs:600:18
[INFO] [stdout]   29:     0x558df76d4880 - test::run_test::run_test_inner::{{closure}}::h6fdc58c6d5f5b6e3
[INFO] [stdout]                                at /rustc/a178d0322ce20e33eac124758e837cbd80a6f633/library/test/src/lib.rs:492:39
[INFO] [stdout]   30:     0x558df76adf32 - test::run_test::run_test_inner::{{closure}}::h408365d67a78ade8
[INFO] [stdout]                                at /rustc/a178d0322ce20e33eac124758e837cbd80a6f633/library/test/src/lib.rs:519:37
[INFO] [stdout]   31:     0x558df76adf32 - std::sys_common::backtrace::__rust_begin_short_backtrace::hb560b77c4f701523
[INFO] [stdout]                                at /rustc/a178d0322ce20e33eac124758e837cbd80a6f633/library/std/src/sys_common/backtrace.rs:125:18
[INFO] [stdout]   32:     0x558df76b1ae8 - std::thread::Builder::spawn_unchecked::{{closure}}::{{closure}}::hf2e7831dad93c597
[INFO] [stdout]                                at /rustc/a178d0322ce20e33eac124758e837cbd80a6f633/library/std/src/thread/mod.rs:481:17
[INFO] [stdout]   33:     0x558df76b1ae8 - <std::panic::AssertUnwindSafe<F> as core::ops::function::FnOnce<()>>::call_once::hd2e08783d8be4d02
[INFO] [stdout]                                at /rustc/a178d0322ce20e33eac124758e837cbd80a6f633/library/std/src/panic.rs:347:9
[INFO] [stdout]   34:     0x558df76b1ae8 - std::panicking::try::do_call::h062597b7acfd6b82
[INFO] [stdout]                                at /rustc/a178d0322ce20e33eac124758e837cbd80a6f633/library/std/src/panicking.rs:401:40
[INFO] [stdout]   35:     0x558df76b1ae8 - std::panicking::try::h0d7b79db04c14552
[INFO] [stdout]                                at /rustc/a178d0322ce20e33eac124758e837cbd80a6f633/library/std/src/panicking.rs:365:19
[INFO] [stdout]   36:     0x558df76b1ae8 - std::panic::catch_unwind::hb01a0b5e7c8cd43b
[INFO] [stdout]                                at /rustc/a178d0322ce20e33eac124758e837cbd80a6f633/library/std/src/panic.rs:434:14
[INFO] [stdout]   37:     0x558df76b1ae8 - std::thread::Builder::spawn_unchecked::{{closure}}::h5bde48cc887e0d1e
[INFO] [stdout]                                at /rustc/a178d0322ce20e33eac124758e837cbd80a6f633/library/std/src/thread/mod.rs:480:30
[INFO] [stdout]   38:     0x558df76b1ae8 - core::ops::function::FnOnce::call_once{{vtable.shim}}::h745ea30807a29e55
[INFO] [stdout]                                at /rustc/a178d0322ce20e33eac124758e837cbd80a6f633/library/core/src/ops/function.rs:227:5
[INFO] [stdout]   39:     0x558df78a2277 - <alloc::boxed::Box<F,A> as core::ops::function::FnOnce<Args>>::call_once::h7ece6cfefaff1005
[INFO] [stdout]                                at /rustc/a178d0322ce20e33eac124758e837cbd80a6f633/library/alloc/src/boxed.rs:1575:9
[INFO] [stdout]   40:     0x558df78a2277 - <alloc::boxed::Box<F,A> as core::ops::function::FnOnce<Args>>::call_once::hb8b48e55c21f193e
[INFO] [stdout]                                at /rustc/a178d0322ce20e33eac124758e837cbd80a6f633/library/alloc/src/boxed.rs:1575:9
[INFO] [stdout]   41:     0x558df78a2277 - std::sys::unix::thread::Thread::new::thread_start::h8c7c4450dba62914
[INFO] [stdout]                                at /rustc/a178d0322ce20e33eac124758e837cbd80a6f633/library/std/src/sys/unix/thread.rs:71:17
[INFO] [stdout]   42:     0x7f9c5bc86609 - start_thread
[INFO] [stdout]   43:     0x7f9c5ba5e293 - clone
[INFO] [stdout]   44:                0x0 - <unknown>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout]     introduction
[INFO] [stdout] 
[INFO] [stdout] test result: FAILED. 0 passed; 1 failed; 0 ignored; 0 measured; 0 filtered out; finished in 3.12s
[INFO] [stdout] 
[INFO] [stderr] error: test failed, to rerun pass '--test 0-intro'
[INFO] running `Command { std: "docker" "inspect" "70820bb54988b6b6a4ebec03a0e75702fc24f906355866353742ee529b77d9c5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "70820bb54988b6b6a4ebec03a0e75702fc24f906355866353742ee529b77d9c5", kill_on_drop: false }`
[INFO] [stdout] 70820bb54988b6b6a4ebec03a0e75702fc24f906355866353742ee529b77d9c5
