[INFO] fetching crate jmx 0.2.1...
[INFO] testing jmx-0.2.1 against beta-2020-10-09 for beta-1.48-1
[INFO] extracting crate jmx 0.2.1 into /workspace/builds/worker-4/source
[INFO] validating manifest of crates.io crate jmx 0.2.1 on toolchain beta-2020-10-09
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-10-09" "read-manifest" "--manifest-path" "Cargo.toml", 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-4/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-10-09" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-10-09" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded java-locator v0.1.2
[INFO] [stderr]   Downloaded j4rs v0.11.2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "rustops/crates-build-env@sha256:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-10-09" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] e52d0e22dc28bf410f31dcef287f842237eb5e6e2035bfb473209ea03d3382fd
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "e52d0e22dc28bf410f31dcef287f842237eb5e6e2035bfb473209ea03d3382fd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "e52d0e22dc28bf410f31dcef287f842237eb5e6e2035bfb473209ea03d3382fd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e52d0e22dc28bf410f31dcef287f842237eb5e6e2035bfb473209ea03d3382fd", kill_on_drop: false }`
[INFO] [stdout] e52d0e22dc28bf410f31dcef287f842237eb5e6e2035bfb473209ea03d3382fd
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "rustops/crates-build-env@sha256:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-10-09" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] f949cc5a22a568e0a3f37d6b9f88e91dfab7e3264e89c40349c3d843edae462b
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "f949cc5a22a568e0a3f37d6b9f88e91dfab7e3264e89c40349c3d843edae462b", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling fs_extra v1.2.0
[INFO] [stderr]    Compiling java-locator v0.1.2
[INFO] [stderr]    Compiling j4rs v0.11.2
[INFO] [stderr]    Compiling jmx v0.2.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 14.52s
[INFO] running `Command { std: "docker" "inspect" "f949cc5a22a568e0a3f37d6b9f88e91dfab7e3264e89c40349c3d843edae462b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f949cc5a22a568e0a3f37d6b9f88e91dfab7e3264e89c40349c3d843edae462b", kill_on_drop: false }`
[INFO] [stdout] f949cc5a22a568e0a3f37d6b9f88e91dfab7e3264e89c40349c3d843edae462b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "rustops/crates-build-env@sha256:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-10-09" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] dea154c9d42992c87201f646275419eb0bf3e7fcacd4997c68218a09286b84c2
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "dea154c9d42992c87201f646275419eb0bf3e7fcacd4997c68218a09286b84c2", kill_on_drop: false }`
[INFO] [stderr]    Compiling jmx v0.2.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 6.31s
[INFO] running `Command { std: "docker" "inspect" "dea154c9d42992c87201f646275419eb0bf3e7fcacd4997c68218a09286b84c2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "dea154c9d42992c87201f646275419eb0bf3e7fcacd4997c68218a09286b84c2", kill_on_drop: false }`
[INFO] [stdout] dea154c9d42992c87201f646275419eb0bf3e7fcacd4997c68218a09286b84c2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "rustops/crates-build-env@sha256:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-10-09" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] ba9904ddad68004d56fad84f22094e9816ff4240dea8df29aad442c8eb559949
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "ba9904ddad68004d56fad84f22094e9816ff4240dea8df29aad442c8eb559949", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.26s
[INFO] [stdout] 
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/jmx-f1263ebbaf69d73a
[INFO] [stdout] running 0 tests
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/0_intro-a944ee5e106c4a4d
[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 1 test
[INFO] [stderr] Error: Could not find or load main class TestServer
[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/212e76c31d461462544b5d516d3bdc99fc8f016e/library/core/src/convert/mod.rs:545:9
[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/212e76c31d461462544b5d516d3bdc99fc8f016e/library/core/src/result.rs:595:27
[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/212e76c31d461462544b5d516d3bdc99fc8f016e/library/core/src/ops/function.rs:227:5
[INFO] [stdout]   18: core::ops::function::FnOnce::call_once
[INFO] [stdout]              at /rustc/212e76c31d461462544b5d516d3bdc99fc8f016e/library/core/src/ops/function.rs:227:5
[INFO] [stdout]       test::__rust_begin_short_backtrace
[INFO] [stdout]              at /rustc/212e76c31d461462544b5d516d3bdc99fc8f016e/library/test/src/lib.rs:516:5
[INFO] [stdout]   19: <alloc::boxed::Box<F> as core::ops::function::FnOnce<A>>::call_once
[INFO] [stdout]              at /rustc/212e76c31d461462544b5d516d3bdc99fc8f016e/library/alloc/src/boxed.rs:1042:9
[INFO] [stdout]       <std::panic::AssertUnwindSafe<F> as core::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]              at /rustc/212e76c31d461462544b5d516d3bdc99fc8f016e/library/std/src/panic.rs:308:9
[INFO] [stdout]       std::panicking::try::do_call
[INFO] [stdout]              at /rustc/212e76c31d461462544b5d516d3bdc99fc8f016e/library/std/src/panicking.rs:381:40
[INFO] [stdout]       std::panicking::try
[INFO] [stdout]              at /rustc/212e76c31d461462544b5d516d3bdc99fc8f016e/library/std/src/panicking.rs:345:19
[INFO] [stdout]       std::panic::catch_unwind
[INFO] [stdout]              at /rustc/212e76c31d461462544b5d516d3bdc99fc8f016e/library/std/src/panic.rs:382:14
[INFO] [stdout]       test::run_test_in_process
[INFO] [stdout]              at /rustc/212e76c31d461462544b5d516d3bdc99fc8f016e/library/test/src/lib.rs:543:18
[INFO] [stdout]       test::run_test::run_test_inner::{{closure}}
[INFO] [stdout]              at /rustc/212e76c31d461462544b5d516d3bdc99fc8f016e/library/test/src/lib.rs:449:39
[INFO] [stdout]   20: std::sys_common::backtrace::__rust_begin_short_backtrace
[INFO] [stdout]              at /rustc/212e76c31d461462544b5d516d3bdc99fc8f016e/library/std/src/sys_common/backtrace.rs:137:18
[INFO] [stdout]   21: std::thread::Builder::spawn_unchecked::{{closure}}::{{closure}}
[INFO] [stdout]              at /rustc/212e76c31d461462544b5d516d3bdc99fc8f016e/library/std/src/thread/mod.rs:464:17
[INFO] [stdout]       <std::panic::AssertUnwindSafe<F> as core::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]              at /rustc/212e76c31d461462544b5d516d3bdc99fc8f016e/library/std/src/panic.rs:308:9
[INFO] [stdout]       std::panicking::try::do_call
[INFO] [stdout]              at /rustc/212e76c31d461462544b5d516d3bdc99fc8f016e/library/std/src/panicking.rs:381:40
[INFO] [stdout]       std::panicking::try
[INFO] [stdout]              at /rustc/212e76c31d461462544b5d516d3bdc99fc8f016e/library/std/src/panicking.rs:345:19
[INFO] [stdout]       std::panic::catch_unwind
[INFO] [stdout]              at /rustc/212e76c31d461462544b5d516d3bdc99fc8f016e/library/std/src/panic.rs:382:14
[INFO] [stdout]       std::thread::Builder::spawn_unchecked::{{closure}}
[INFO] [stdout]              at /rustc/212e76c31d461462544b5d516d3bdc99fc8f016e/library/std/src/thread/mod.rs:463:30
[INFO] [stdout]       core::ops::function::FnOnce::call_once{{vtable.shim}}
[INFO] [stdout]              at /rustc/212e76c31d461462544b5d516d3bdc99fc8f016e/library/core/src/ops/function.rs:227:5
[INFO] [stdout]   22: <alloc::boxed::Box<F> as core::ops::function::FnOnce<A>>::call_once
[INFO] [stdout]              at /rustc/212e76c31d461462544b5d516d3bdc99fc8f016e/library/alloc/src/boxed.rs:1042:9
[INFO] [stdout]       <alloc::boxed::Box<F> as core::ops::function::FnOnce<A>>::call_once
[INFO] [stdout]              at /rustc/212e76c31d461462544b5d516d3bdc99fc8f016e/library/alloc/src/boxed.rs:1042:9
[INFO] [stdout]       std::sys::unix::thread::Thread::new::thread_start
[INFO] [stdout]              at /rustc/212e76c31d461462544b5d516d3bdc99fc8f016e/library/std/src/sys/unix/thread.rs:87:17
[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:     0x55ddc9d939c0 - std::backtrace_rs::backtrace::libunwind::trace::h7cf3ca97bd83fbab
[INFO] [stdout]                                at /rustc/212e76c31d461462544b5d516d3bdc99fc8f016e/library/std/src/../../backtrace/src/backtrace/libunwind.rs:96
[INFO] [stdout]    1:     0x55ddc9d939c0 - std::backtrace_rs::backtrace::trace_unsynchronized::h5a69c674b2d9ea5c
[INFO] [stdout]                                at /rustc/212e76c31d461462544b5d516d3bdc99fc8f016e/library/std/src/../../backtrace/src/backtrace/mod.rs:66
[INFO] [stdout]    2:     0x55ddc9d939c0 - std::sys_common::backtrace::_print_fmt::hdf72478dfcb50678
[INFO] [stdout]                                at /rustc/212e76c31d461462544b5d516d3bdc99fc8f016e/library/std/src/sys_common/backtrace.rs:79
[INFO] [stdout]    3:     0x55ddc9d939c0 - <std::sys_common::backtrace::_print::DisplayBacktrace as core::fmt::Display>::fmt::h1e0bdbb35e83deca
[INFO] [stdout]                                at /rustc/212e76c31d461462544b5d516d3bdc99fc8f016e/library/std/src/sys_common/backtrace.rs:58
[INFO] [stdout]    4:     0x55ddc9db6bac - core::fmt::write::he67f9b17bcb7ee73
[INFO] [stdout]                                at /rustc/212e76c31d461462544b5d516d3bdc99fc8f016e/library/core/src/fmt/mod.rs:1080
[INFO] [stdout]    5:     0x55ddc9bac4b6 - std::io::Write::write_fmt::h68b2e5fe4c78e61a
[INFO] [stdout]                                at /rustc/212e76c31d461462544b5d516d3bdc99fc8f016e/library/std/src/io/mod.rs:1516
[INFO] [stdout]    6:     0x55ddc9d8d9dd - std::io::impls::<impl std::io::Write for alloc::boxed::Box<W>>::write_fmt::he9ebec865e28165c
[INFO] [stdout]                                at /rustc/212e76c31d461462544b5d516d3bdc99fc8f016e/library/std/src/io/impls.rs:179
[INFO] [stdout]    7:     0x55ddc9d95efd - std::sys_common::backtrace::_print::haa20918e28a126c5
[INFO] [stdout]                                at /rustc/212e76c31d461462544b5d516d3bdc99fc8f016e/library/std/src/sys_common/backtrace.rs:61
[INFO] [stdout]    8:     0x55ddc9d95efd - std::sys_common::backtrace::print::h49e772a4873d9076
[INFO] [stdout]                                at /rustc/212e76c31d461462544b5d516d3bdc99fc8f016e/library/std/src/sys_common/backtrace.rs:48
[INFO] [stdout]    9:     0x55ddc9d95efd - std::panicking::default_hook::{{closure}}::hb218b305d15e3f11
[INFO] [stdout]                                at /rustc/212e76c31d461462544b5d516d3bdc99fc8f016e/library/std/src/panicking.rs:208
[INFO] [stdout]   10:     0x55ddc9d95b52 - std::panicking::default_hook::h63997b7b949e1ce0
[INFO] [stdout]                                at /rustc/212e76c31d461462544b5d516d3bdc99fc8f016e/library/std/src/panicking.rs:224
[INFO] [stdout]   11:     0x55ddc9d965e1 - std::panicking::rust_panic_with_hook::hb54f09ccadf64bd3
[INFO] [stdout]                                at /rustc/212e76c31d461462544b5d516d3bdc99fc8f016e/library/std/src/panicking.rs:577
[INFO] [stdout]   12:     0x55ddc9d96189 - std::panicking::begin_panic_handler::{{closure}}::h8b43445b254eeb30
[INFO] [stdout]                                at /rustc/212e76c31d461462544b5d516d3bdc99fc8f016e/library/std/src/panicking.rs:484
[INFO] [stdout]   13:     0x55ddc9d93e4c - std::sys_common::backtrace::__rust_end_short_backtrace::hacd691450edfeae0
[INFO] [stdout]                                at /rustc/212e76c31d461462544b5d516d3bdc99fc8f016e/library/std/src/sys_common/backtrace.rs:153
[INFO] [stdout]   14:     0x55ddc9d96149 - rust_begin_unwind
[INFO] [stdout]                                at /rustc/212e76c31d461462544b5d516d3bdc99fc8f016e/library/std/src/panicking.rs:483
[INFO] [stdout]   15:     0x55ddc9db5481 - core::panicking::panic_fmt::h5b17d4a0e853d0f5
[INFO] [stdout]                                at /rustc/212e76c31d461462544b5d516d3bdc99fc8f016e/library/core/src/panicking.rs:85
[INFO] [stdout]   16:     0x55ddc9db52a3 - core::option::expect_none_failed::hd08bf36cae411fff
[INFO] [stdout]                                at /rustc/212e76c31d461462544b5d516d3bdc99fc8f016e/library/core/src/option.rs:1234
[INFO] [stdout]   17:     0x55ddc9ba93f0 - core::result::Result<T,E>::expect::hb40108277af37746
[INFO] [stdout]                                at /rustc/212e76c31d461462544b5d516d3bdc99fc8f016e/library/core/src/result.rs:933
[INFO] [stdout]   18:     0x55ddc9ba8238 - _0_intro::run_test::h55d9a1da5572736e
[INFO] [stdout]                                at /opt/rustwide/workdir/tests/0-intro.rs:50
[INFO] [stdout]   19:     0x55ddc9ba8924 - _0_intro::introduction::h626c8a61adfc6201
[INFO] [stdout]                                at /opt/rustwide/workdir/tests/0-intro.rs:38
[INFO] [stdout]   20:     0x55ddc9ba86ba - _0_intro::introduction::{{closure}}::h541300faa113681f
[INFO] [stdout]                                at /opt/rustwide/workdir/tests/0-intro.rs:25
[INFO] [stdout]   21:     0x55ddc9ba8c5e - core::ops::function::FnOnce::call_once::ha7c761b6e218e1dd
[INFO] [stdout]                                at /rustc/212e76c31d461462544b5d516d3bdc99fc8f016e/library/core/src/ops/function.rs:227
[INFO] [stdout]   22:     0x55ddc9bd32a3 - core::ops::function::FnOnce::call_once::hcd3fa2f0696c1015
[INFO] [stdout]                                at /rustc/212e76c31d461462544b5d516d3bdc99fc8f016e/library/core/src/ops/function.rs:227
[INFO] [stdout]   23:     0x55ddc9bd32a3 - test::__rust_begin_short_backtrace::h113f97c5e5ab7d4a
[INFO] [stdout]                                at /rustc/212e76c31d461462544b5d516d3bdc99fc8f016e/library/test/src/lib.rs:516
[INFO] [stdout]   24:     0x55ddc9bd17a8 - <alloc::boxed::Box<F> as core::ops::function::FnOnce<A>>::call_once::h01fd09163cae2442
[INFO] [stdout]                                at /rustc/212e76c31d461462544b5d516d3bdc99fc8f016e/library/alloc/src/boxed.rs:1042
[INFO] [stdout]   25:     0x55ddc9bd17a8 - <std::panic::AssertUnwindSafe<F> as core::ops::function::FnOnce<()>>::call_once::h0da6b685ae74a04a
[INFO] [stdout]                                at /rustc/212e76c31d461462544b5d516d3bdc99fc8f016e/library/std/src/panic.rs:308
[INFO] [stdout]   26:     0x55ddc9bd17a8 - std::panicking::try::do_call::h564a32f132f2c264
[INFO] [stdout]                                at /rustc/212e76c31d461462544b5d516d3bdc99fc8f016e/library/std/src/panicking.rs:381
[INFO] [stdout]   27:     0x55ddc9bd17a8 - std::panicking::try::h477cfd4b06a2e64a
[INFO] [stdout]                                at /rustc/212e76c31d461462544b5d516d3bdc99fc8f016e/library/std/src/panicking.rs:345
[INFO] [stdout]   28:     0x55ddc9bd17a8 - std::panic::catch_unwind::hdb5abc6d008c399d
[INFO] [stdout]                                at /rustc/212e76c31d461462544b5d516d3bdc99fc8f016e/library/std/src/panic.rs:382
[INFO] [stdout]   29:     0x55ddc9bd17a8 - test::run_test_in_process::he8ff7dec91b275be
[INFO] [stdout]                                at /rustc/212e76c31d461462544b5d516d3bdc99fc8f016e/library/test/src/lib.rs:543
[INFO] [stdout]   30:     0x55ddc9bd17a8 - test::run_test::run_test_inner::{{closure}}::hfd9f49e4a4ff9162
[INFO] [stdout]                                at /rustc/212e76c31d461462544b5d516d3bdc99fc8f016e/library/test/src/lib.rs:449
[INFO] [stdout]   31:     0x55ddc9bab836 - std::sys_common::backtrace::__rust_begin_short_backtrace::hee6d60d5bb466aff
[INFO] [stdout]                                at /rustc/212e76c31d461462544b5d516d3bdc99fc8f016e/library/std/src/sys_common/backtrace.rs:137
[INFO] [stdout]   32:     0x55ddc9bb09a5 - std::thread::Builder::spawn_unchecked::{{closure}}::{{closure}}::h988cecdf9ebbaf00
[INFO] [stdout]                                at /rustc/212e76c31d461462544b5d516d3bdc99fc8f016e/library/std/src/thread/mod.rs:464
[INFO] [stdout]   33:     0x55ddc9bb09a5 - <std::panic::AssertUnwindSafe<F> as core::ops::function::FnOnce<()>>::call_once::h330cf727ec126982
[INFO] [stdout]                                at /rustc/212e76c31d461462544b5d516d3bdc99fc8f016e/library/std/src/panic.rs:308
[INFO] [stdout]   34:     0x55ddc9bb09a5 - std::panicking::try::do_call::h6cd25078f4a5ea13
[INFO] [stdout]                                at /rustc/212e76c31d461462544b5d516d3bdc99fc8f016e/library/std/src/panicking.rs:381
[INFO] [stdout]   35:     0x55ddc9bb09a5 - std::panicking::try::h84b1d49961301705
[INFO] [stdout]                                at /rustc/212e76c31d461462544b5d516d3bdc99fc8f016e/library/std/src/panicking.rs:345
[INFO] [stdout]   36:     0x55ddc9bb09a5 - std::panic::catch_unwind::h6145324593b3654b
[INFO] [stdout]                                at /rustc/212e76c31d461462544b5d516d3bdc99fc8f016e/library/std/src/panic.rs:382
[INFO] [stdout]   37:     0x55ddc9bb09a5 - std::thread::Builder::spawn_unchecked::{{closure}}::ha41e72e8024f9192
[INFO] [stdout]                                at /rustc/212e76c31d461462544b5d516d3bdc99fc8f016e/library/std/src/thread/mod.rs:463
[INFO] [stdout]   38:     0x55ddc9bb09a5 - core::ops::function::FnOnce::call_once{{vtable.shim}}::hfb5034cf1f1be223
[INFO] [stdout]                                at /rustc/212e76c31d461462544b5d516d3bdc99fc8f016e/library/core/src/ops/function.rs:227
[INFO] [stdout]   39:     0x55ddc9d9ccaa - <alloc::boxed::Box<F> as core::ops::function::FnOnce<A>>::call_once::hd4d30e37db281e8f
[INFO] [stdout]                                at /rustc/212e76c31d461462544b5d516d3bdc99fc8f016e/library/alloc/src/boxed.rs:1042
[INFO] [stdout]   40:     0x55ddc9d9ccaa - <alloc::boxed::Box<F> as core::ops::function::FnOnce<A>>::call_once::h019185a215ba16e4
[INFO] [stdout]                                at /rustc/212e76c31d461462544b5d516d3bdc99fc8f016e/library/alloc/src/boxed.rs:1042
[INFO] [stdout]   41:     0x55ddc9d9ccaa - std::sys::unix::thread::Thread::new::thread_start::h33c6d7cf25f9291f
[INFO] [stdout]                                at /rustc/212e76c31d461462544b5d516d3bdc99fc8f016e/library/std/src/sys/unix/thread.rs:87
[INFO] [stdout]   42:     0x7f09529c2609 - start_thread
[INFO] [stdout]   43:     0x7f0952c4d103 - 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
[INFO] [stdout] 
[INFO] [stderr] error: test failed, to rerun pass '--test 0-intro'
[INFO] running `Command { std: "docker" "inspect" "ba9904ddad68004d56fad84f22094e9816ff4240dea8df29aad442c8eb559949", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ba9904ddad68004d56fad84f22094e9816ff4240dea8df29aad442c8eb559949", kill_on_drop: false }`
[INFO] [stdout] ba9904ddad68004d56fad84f22094e9816ff4240dea8df29aad442c8eb559949
