[INFO] cloning repository https://github.com/northpole79/tcp_comms
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/northpole79/tcp_comms" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fnorthpole79%2Ftcp_comms", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fnorthpole79%2Ftcp_comms'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] a943d47b88f905bf6ebe20c3d69d0308969d5739
[INFO] testing northpole79/tcp_comms against 1.63.0 for beta-1.64-2
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fnorthpole79%2Ftcp_comms" "/workspace/builds/worker-1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/northpole79/tcp_comms on toolchain 1.63.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.63.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/northpole79/tcp_comms
[INFO] finished tweaking git repo https://github.com/northpole79/tcp_comms
[INFO] tweaked toml for git repo https://github.com/northpole79/tcp_comms written to /workspace/builds/worker-1/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.63.0" "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" "+1.63.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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@sha256:824c28ce115f6b999260af6986f3384c158e782489540e41c0b698ca1d9fd927" "/opt/rustwide/cargo-home/bin/cargo" "+1.63.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 218499c1102290fe9f95b4d21f6a58ddc567a4430a96183ea9dc8d83cf570850
[INFO] running `Command { std: "docker" "start" "-a" "218499c1102290fe9f95b4d21f6a58ddc567a4430a96183ea9dc8d83cf570850", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "218499c1102290fe9f95b4d21f6a58ddc567a4430a96183ea9dc8d83cf570850", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "218499c1102290fe9f95b4d21f6a58ddc567a4430a96183ea9dc8d83cf570850", kill_on_drop: false }`
[INFO] [stdout] 218499c1102290fe9f95b4d21f6a58ddc567a4430a96183ea9dc8d83cf570850
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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" "RUSTDOCFLAGS=--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@sha256:824c28ce115f6b999260af6986f3384c158e782489540e41c0b698ca1d9fd927" "/opt/rustwide/cargo-home/bin/cargo" "+1.63.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] e0ab18298ce572ea5b3134df03b52c78ea1193351a10468369505575969891e9
[INFO] running `Command { std: "docker" "start" "-a" "e0ab18298ce572ea5b3134df03b52c78ea1193351a10468369505575969891e9", kill_on_drop: false }`
[INFO] [stderr]    Compiling tcp_comms v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused imports: `Arc`, `Mutex`
[INFO] [stdout]  --> src/server.rs:6:17
[INFO] [stdout]   |
[INFO] [stdout] 6 | use std::sync::{Arc, Mutex};
[INFO] [stdout]   |                 ^^^  ^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.63s
[INFO] running `Command { std: "docker" "inspect" "e0ab18298ce572ea5b3134df03b52c78ea1193351a10468369505575969891e9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e0ab18298ce572ea5b3134df03b52c78ea1193351a10468369505575969891e9", kill_on_drop: false }`
[INFO] [stdout] e0ab18298ce572ea5b3134df03b52c78ea1193351a10468369505575969891e9
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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" "RUSTDOCFLAGS=--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@sha256:824c28ce115f6b999260af6986f3384c158e782489540e41c0b698ca1d9fd927" "/opt/rustwide/cargo-home/bin/cargo" "+1.63.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 8eaf4fd62c95396320cbe643bb1d6fa716da6f8bc4f55d4a7a4b39b2f648adf2
[INFO] running `Command { std: "docker" "start" "-a" "8eaf4fd62c95396320cbe643bb1d6fa716da6f8bc4f55d4a7a4b39b2f648adf2", kill_on_drop: false }`
[INFO] [stderr]    Compiling tcp_comms v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused imports: `Arc`, `Mutex`
[INFO] [stdout]  --> src/server.rs:6:17
[INFO] [stdout]   |
[INFO] [stdout] 6 | use std::sync::{Arc, Mutex};
[INFO] [stdout]   |                 ^^^  ^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `Arc`, `Mutex`
[INFO] [stdout]  --> src/server.rs:6:17
[INFO] [stdout]   |
[INFO] [stdout] 6 | use std::sync::{Arc, Mutex};
[INFO] [stdout]   |                 ^^^  ^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.53s
[INFO] running `Command { std: "docker" "inspect" "8eaf4fd62c95396320cbe643bb1d6fa716da6f8bc4f55d4a7a4b39b2f648adf2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8eaf4fd62c95396320cbe643bb1d6fa716da6f8bc4f55d4a7a4b39b2f648adf2", kill_on_drop: false }`
[INFO] [stdout] 8eaf4fd62c95396320cbe643bb1d6fa716da6f8bc4f55d4a7a4b39b2f648adf2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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" "RUSTDOCFLAGS=--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@sha256:824c28ce115f6b999260af6986f3384c158e782489540e41c0b698ca1d9fd927" "/opt/rustwide/cargo-home/bin/cargo" "+1.63.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 49445b2b0ff1028354e510415bf4df71644467f2021dabbdcc1487bdd1cd2f0a
[INFO] running `Command { std: "docker" "start" "-a" "49445b2b0ff1028354e510415bf4df71644467f2021dabbdcc1487bdd1cd2f0a", kill_on_drop: false }`
[INFO] [stderr] warning: unused imports: `Arc`, `Mutex`
[INFO] [stderr]  --> src/server.rs:6:17
[INFO] [stderr]   |
[INFO] [stderr] 6 | use std::sync::{Arc, Mutex};
[INFO] [stderr]   |                 ^^^  ^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `tcp_comms` (lib) generated 1 warning
[INFO] [stderr] warning: `tcp_comms` (lib test) generated 1 warning (1 duplicate)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.05s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/tcp_comms-0380be1692b9ccfe)
[INFO] [stdout] 
[INFO] [stdout] running 4 tests
[INFO] [stdout] test unit_tests::it_works ... ok
[INFO] [stdout] test unit_tests::network_works ... ok
[INFO] [stdout] test unit_tests::comm_works ... ok
[INFO] [stdout] test unit_tests::server_works ... FAILED
[INFO] [stderr] error: test failed, to rerun pass '--lib'
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout] 
[INFO] [stdout] ---- unit_tests::server_works stdout ----
[INFO] [stdout] thread '<unnamed>' panicked at 'called `Result::unwrap()` on an `Err` value: Os { code: 98, kind: AddrInUse, message: "Address already in use" }', src/server.rs:39:56
[INFO] [stdout] stack backtrace:
[INFO] [stdout]    0:     0x557219d4f4fd - std::backtrace_rs::backtrace::libunwind::trace::h8217d0a8f3fd2f41
[INFO] [stdout]                                at /rustc/4b91a6ea7258a947e59c6522cd5898e7c0a6a88f/library/std/src/../../backtrace/src/backtrace/libunwind.rs:93:5
[INFO] [stdout]    1:     0x557219d4f4fd - std::backtrace_rs::backtrace::trace_unsynchronized::h308103876b3af410
[INFO] [stdout]                                at /rustc/4b91a6ea7258a947e59c6522cd5898e7c0a6a88f/library/std/src/../../backtrace/src/backtrace/mod.rs:66:5
[INFO] [stdout]    2:     0x557219d4f4fd - std::sys_common::backtrace::_print_fmt::hc208018c6153605e
[INFO] [stdout]                                at /rustc/4b91a6ea7258a947e59c6522cd5898e7c0a6a88f/library/std/src/sys_common/backtrace.rs:66:5
[INFO] [stdout]    3:     0x557219d4f4fd - <std::sys_common::backtrace::_print::DisplayBacktrace as core::fmt::Display>::fmt::hf89a7ed694dfb585
[INFO] [stdout]                                at /rustc/4b91a6ea7258a947e59c6522cd5898e7c0a6a88f/library/std/src/sys_common/backtrace.rs:45:22
[INFO] [stdout]    4:     0x557219d724cc - core::fmt::write::h21038c1382fe4264
[INFO] [stdout]                                at /rustc/4b91a6ea7258a947e59c6522cd5898e7c0a6a88f/library/core/src/fmt/mod.rs:1197:17
[INFO] [stdout]    5:     0x557219d4a331 - std::io::Write::write_fmt::h323ab2482abeeec6
[INFO] [stdout]                                at /rustc/4b91a6ea7258a947e59c6522cd5898e7c0a6a88f/library/std/src/io/mod.rs:1672:15
[INFO] [stdout]    6:     0x557219d50f75 - std::sys_common::backtrace::_print::h4e8889719c9ddeb8
[INFO] [stdout]                                at /rustc/4b91a6ea7258a947e59c6522cd5898e7c0a6a88f/library/std/src/sys_common/backtrace.rs:48:5
[INFO] [stdout]    7:     0x557219d50f75 - std::sys_common::backtrace::print::h1506fe2cb3022667
[INFO] [stdout]                                at /rustc/4b91a6ea7258a947e59c6522cd5898e7c0a6a88f/library/std/src/sys_common/backtrace.rs:35:9
[INFO] [stdout]    8:     0x557219d50f75 - std::panicking::default_hook::{{closure}}::hd9d7ce2a8a782440
[INFO] [stdout]                                at /rustc/4b91a6ea7258a947e59c6522cd5898e7c0a6a88f/library/std/src/panicking.rs:295:22
[INFO] [stdout]    9:     0x557219d50c19 - std::panicking::default_hook::h5b16ec25444b1b5d
[INFO] [stdout]                                at /rustc/4b91a6ea7258a947e59c6522cd5898e7c0a6a88f/library/std/src/panicking.rs:311:9
[INFO] [stdout]   10:     0x557219d51506 - std::panicking::rust_panic_with_hook::hb0138cb6e6fea3e4
[INFO] [stdout]                                at /rustc/4b91a6ea7258a947e59c6522cd5898e7c0a6a88f/library/std/src/panicking.rs:698:17
[INFO] [stdout]   11:     0x557219d513f7 - std::panicking::begin_panic_handler::{{closure}}::h4cb67095557cd1aa
[INFO] [stdout]                                at /rustc/4b91a6ea7258a947e59c6522cd5898e7c0a6a88f/library/std/src/panicking.rs:588:13
[INFO] [stdout]   12:     0x557219d4f9b4 - std::sys_common::backtrace::__rust_end_short_backtrace::h2bfcac279dcdc911
[INFO] [stdout]                                at /rustc/4b91a6ea7258a947e59c6522cd5898e7c0a6a88f/library/std/src/sys_common/backtrace.rs:138:18
[INFO] [stdout]   13:     0x557219d51129 - rust_begin_unwind
[INFO] [stdout]                                at /rustc/4b91a6ea7258a947e59c6522cd5898e7c0a6a88f/library/std/src/panicking.rs:584:5
[INFO] [stdout]   14:     0x557219cd7423 - core::panicking::panic_fmt::h1de71520faaa17d3
[INFO] [stdout]                                at /rustc/4b91a6ea7258a947e59c6522cd5898e7c0a6a88f/library/core/src/panicking.rs:142:14
[INFO] [stdout]   15:     0x557219cd7513 - core::result::unwrap_failed::hc0baa33ef8bc7db8
[INFO] [stdout]                                at /rustc/4b91a6ea7258a947e59c6522cd5898e7c0a6a88f/library/core/src/result.rs:1805:5
[INFO] [stdout]   16:     0x557219cde020 - core::result::Result<T,E>::unwrap::h2626bfe283192842
[INFO] [stdout]                                at /rustc/4b91a6ea7258a947e59c6522cd5898e7c0a6a88f/library/core/src/result.rs:1098:23
[INFO] [stdout]   17:     0x557219ce214f - tcp_comms::server::handle_accept::h490f8140c49567c7
[INFO] [stdout]                                at /opt/rustwide/workdir/src/server.rs:39:20
[INFO] [stdout]   18:     0x557219ce20e3 - tcp_comms::server::start::{{closure}}::hbc4d0c994ae8c1f0
[INFO] [stdout]                                at /opt/rustwide/workdir/src/server.rs:32:9
[INFO] [stdout]   19:     0x557219cee213 - std::sys_common::backtrace::__rust_begin_short_backtrace::h23ad3465ce928dd8
[INFO] [stdout]                                at /rustc/4b91a6ea7258a947e59c6522cd5898e7c0a6a88f/library/std/src/sys_common/backtrace.rs:122:18
[INFO] [stdout]   20:     0x557219ce4313 - std::thread::Builder::spawn_unchecked_::{{closure}}::{{closure}}::ha7ab610604cb7b1f
[INFO] [stdout]                                at /rustc/4b91a6ea7258a947e59c6522cd5898e7c0a6a88f/library/std/src/thread/mod.rs:505:17
[INFO] [stdout]   21:     0x557219cef783 - <core::panic::unwind_safe::AssertUnwindSafe<F> as core::ops::function::FnOnce<()>>::call_once::hc81f83c4ed3a059b
[INFO] [stdout]                                at /rustc/4b91a6ea7258a947e59c6522cd5898e7c0a6a88f/library/core/src/panic/unwind_safe.rs:271:9
[INFO] [stdout]   22:     0x557219cedabb - std::panicking::try::do_call::h80c6e2d7282d36da
[INFO] [stdout]                                at /rustc/4b91a6ea7258a947e59c6522cd5898e7c0a6a88f/library/std/src/panicking.rs:492:40
[INFO] [stdout]   23:     0x557219cee1ab - __rust_try
[INFO] [stdout]   24:     0x557219ced896 - std::panicking::try::h291f3dc34a138c7a
[INFO] [stdout]                                at /rustc/4b91a6ea7258a947e59c6522cd5898e7c0a6a88f/library/std/src/panicking.rs:456:19
[INFO] [stdout]   25:     0x557219ce14d3 - std::panic::catch_unwind::h8cc90c4ed1c48f0f
[INFO] [stdout]                                at /rustc/4b91a6ea7258a947e59c6522cd5898e7c0a6a88f/library/std/src/panic.rs:137:14
[INFO] [stdout]   26:     0x557219ce3d69 - std::thread::Builder::spawn_unchecked_::{{closure}}::h34a44926b6f53b7c
[INFO] [stdout]                                at /rustc/4b91a6ea7258a947e59c6522cd5898e7c0a6a88f/library/std/src/thread/mod.rs:504:30
[INFO] [stdout]   27:     0x557219ceaece - core::ops::function::FnOnce::call_once{{vtable.shim}}::h1232c2977355b7af
[INFO] [stdout]                                at /rustc/4b91a6ea7258a947e59c6522cd5898e7c0a6a88f/library/core/src/ops/function.rs:248:5
[INFO] [stdout]   28:     0x557219d55cb3 - <alloc::boxed::Box<F,A> as core::ops::function::FnOnce<Args>>::call_once::h1680342795a2dc08
[INFO] [stdout]                                at /rustc/4b91a6ea7258a947e59c6522cd5898e7c0a6a88f/library/alloc/src/boxed.rs:1951:9
[INFO] [stdout]   29:     0x557219d55cb3 - <alloc::boxed::Box<F,A> as core::ops::function::FnOnce<Args>>::call_once::h45204a69827b0e83
[INFO] [stdout]                                at /rustc/4b91a6ea7258a947e59c6522cd5898e7c0a6a88f/library/alloc/src/boxed.rs:1951:9
[INFO] [stdout]   30:     0x557219d55cb3 - std::sys::unix::thread::Thread::new::thread_start::h5d4e11bbda4161c8
[INFO] [stdout]                                at /rustc/4b91a6ea7258a947e59c6522cd5898e7c0a6a88f/library/std/src/sys/unix/thread.rs:108:17
[INFO] [stdout]   31:     0x7fd90d1ed609 - start_thread
[INFO] [stdout]   32:     0x7fd90cfbd133 - clone
[INFO] [stdout]   33:                0x0 - <unknown>
[INFO] [stdout] thread 'unit_tests::server_works' panicked at 'called `Result::unwrap()` on an `Err` value: Os { code: 111, kind: ConnectionRefused, message: "Connection refused" }', src/unit_tests.rs:39:60
[INFO] [stdout] stack backtrace:
[INFO] [stdout]    0:     0x557219d4f4fd - std::backtrace_rs::backtrace::libunwind::trace::h8217d0a8f3fd2f41
[INFO] [stdout]                                at /rustc/4b91a6ea7258a947e59c6522cd5898e7c0a6a88f/library/std/src/../../backtrace/src/backtrace/libunwind.rs:93:5
[INFO] [stdout]    1:     0x557219d4f4fd - std::backtrace_rs::backtrace::trace_unsynchronized::h308103876b3af410
[INFO] [stdout]                                at /rustc/4b91a6ea7258a947e59c6522cd5898e7c0a6a88f/library/std/src/../../backtrace/src/backtrace/mod.rs:66:5
[INFO] [stdout]    2:     0x557219d4f4fd - std::sys_common::backtrace::_print_fmt::hc208018c6153605e
[INFO] [stdout]                                at /rustc/4b91a6ea7258a947e59c6522cd5898e7c0a6a88f/library/std/src/sys_common/backtrace.rs:66:5
[INFO] [stdout]    3:     0x557219d4f4fd - <std::sys_common::backtrace::_print::DisplayBacktrace as core::fmt::Display>::fmt::hf89a7ed694dfb585
[INFO] [stdout]                                at /rustc/4b91a6ea7258a947e59c6522cd5898e7c0a6a88f/library/std/src/sys_common/backtrace.rs:45:22
[INFO] [stdout]    4:     0x557219d724cc - core::fmt::write::h21038c1382fe4264
[INFO] [stdout]                                at /rustc/4b91a6ea7258a947e59c6522cd5898e7c0a6a88f/library/core/src/fmt/mod.rs:1197:17
[INFO] [stdout]    5:     0x557219d4a331 - std::io::Write::write_fmt::h323ab2482abeeec6
[INFO] [stdout]                                at /rustc/4b91a6ea7258a947e59c6522cd5898e7c0a6a88f/library/std/src/io/mod.rs:1672:15
[INFO] [stdout]    6:     0x557219d50f75 - std::sys_common::backtrace::_print::h4e8889719c9ddeb8
[INFO] [stdout]                                at /rustc/4b91a6ea7258a947e59c6522cd5898e7c0a6a88f/library/std/src/sys_common/backtrace.rs:48:5
[INFO] [stdout]    7:     0x557219d50f75 - std::sys_common::backtrace::print::h1506fe2cb3022667
[INFO] [stdout]                                at /rustc/4b91a6ea7258a947e59c6522cd5898e7c0a6a88f/library/std/src/sys_common/backtrace.rs:35:9
[INFO] [stdout]    8:     0x557219d50f75 - std::panicking::default_hook::{{closure}}::hd9d7ce2a8a782440
[INFO] [stdout]                                at /rustc/4b91a6ea7258a947e59c6522cd5898e7c0a6a88f/library/std/src/panicking.rs:295:22
[INFO] [stdout]    9:     0x557219d50c19 - std::panicking::default_hook::h5b16ec25444b1b5d
[INFO] [stdout]                                at /rustc/4b91a6ea7258a947e59c6522cd5898e7c0a6a88f/library/std/src/panicking.rs:311:9
[INFO] [stdout]   10:     0x557219d51506 - std::panicking::rust_panic_with_hook::hb0138cb6e6fea3e4
[INFO] [stdout]                                at /rustc/4b91a6ea7258a947e59c6522cd5898e7c0a6a88f/library/std/src/panicking.rs:698:17
[INFO] [stdout]   11:     0x557219d513f7 - std::panicking::begin_panic_handler::{{closure}}::h4cb67095557cd1aa
[INFO] [stdout]                                at /rustc/4b91a6ea7258a947e59c6522cd5898e7c0a6a88f/library/std/src/panicking.rs:588:13
[INFO] [stdout]   12:     0x557219d4f9b4 - std::sys_common::backtrace::__rust_end_short_backtrace::h2bfcac279dcdc911
[INFO] [stdout]                                at /rustc/4b91a6ea7258a947e59c6522cd5898e7c0a6a88f/library/std/src/sys_common/backtrace.rs:138:18
[INFO] [stdout]   13:     0x557219d51129 - rust_begin_unwind
[INFO] [stdout]                                at /rustc/4b91a6ea7258a947e59c6522cd5898e7c0a6a88f/library/std/src/panicking.rs:584:5
[INFO] [stdout]   14:     0x557219cd7423 - core::panicking::panic_fmt::h1de71520faaa17d3
[INFO] [stdout]                                at /rustc/4b91a6ea7258a947e59c6522cd5898e7c0a6a88f/library/core/src/panicking.rs:142:14
[INFO] [stdout]   15:     0x557219cd7513 - core::result::unwrap_failed::hc0baa33ef8bc7db8
[INFO] [stdout]                                at /rustc/4b91a6ea7258a947e59c6522cd5898e7c0a6a88f/library/core/src/result.rs:1805:5
[INFO] [stdout]   16:     0x557219cddf80 - core::result::Result<T,E>::unwrap::h20a8c5443ce0b1d0
[INFO] [stdout]                                at /rustc/4b91a6ea7258a947e59c6522cd5898e7c0a6a88f/library/core/src/result.rs:1098:23
[INFO] [stdout]   17:     0x557219cf3529 - tcp_comms::unit_tests::server_works::h06c25d7547108d14
[INFO] [stdout]                                at /opt/rustwide/workdir/src/unit_tests.rs:39:23
[INFO] [stdout]   18:     0x557219cf345a - tcp_comms::unit_tests::server_works::{{closure}}::h659883ed901428e6
[INFO] [stdout]                                at /opt/rustwide/workdir/src/unit_tests.rs:36:1
[INFO] [stdout]   19:     0x557219ceb08e - core::ops::function::FnOnce::call_once::hcfd485625384c741
[INFO] [stdout]                                at /rustc/4b91a6ea7258a947e59c6522cd5898e7c0a6a88f/library/core/src/ops/function.rs:248:5
[INFO] [stdout]   20:     0x557219d28f53 - core::ops::function::FnOnce::call_once::h0834638dccd7f44f
[INFO] [stdout]                                at /rustc/4b91a6ea7258a947e59c6522cd5898e7c0a6a88f/library/core/src/ops/function.rs:248:5
[INFO] [stdout]   21:     0x557219d28f53 - test::__rust_begin_short_backtrace::h236b9d3086614016
[INFO] [stdout]                                at /rustc/4b91a6ea7258a947e59c6522cd5898e7c0a6a88f/library/test/src/lib.rs:572:5
[INFO] [stdout]   22:     0x557219d27d5a - <alloc::boxed::Box<F,A> as core::ops::function::FnOnce<Args>>::call_once::h836d617c8cafab84
[INFO] [stdout]                                at /rustc/4b91a6ea7258a947e59c6522cd5898e7c0a6a88f/library/alloc/src/boxed.rs:1951:9
[INFO] [stdout]   23:     0x557219d27d5a - <core::panic::unwind_safe::AssertUnwindSafe<F> as core::ops::function::FnOnce<()>>::call_once::h749e4286e2b07713
[INFO] [stdout]                                at /rustc/4b91a6ea7258a947e59c6522cd5898e7c0a6a88f/library/core/src/panic/unwind_safe.rs:271:9
[INFO] [stdout]   24:     0x557219d27d5a - std::panicking::try::do_call::h43a1b83a3cb9edc8
[INFO] [stdout]                                at /rustc/4b91a6ea7258a947e59c6522cd5898e7c0a6a88f/library/std/src/panicking.rs:492:40
[INFO] [stdout]   25:     0x557219d27d5a - std::panicking::try::h5622fa742e7f1abc
[INFO] [stdout]                                at /rustc/4b91a6ea7258a947e59c6522cd5898e7c0a6a88f/library/std/src/panicking.rs:456:19
[INFO] [stdout]   26:     0x557219d27d5a - std::panic::catch_unwind::h99900a1dadf94a68
[INFO] [stdout]                                at /rustc/4b91a6ea7258a947e59c6522cd5898e7c0a6a88f/library/std/src/panic.rs:137:14
[INFO] [stdout]   27:     0x557219d27d5a - test::run_test_in_process::h3893e153ea830832
[INFO] [stdout]                                at /rustc/4b91a6ea7258a947e59c6522cd5898e7c0a6a88f/library/test/src/lib.rs:595:18
[INFO] [stdout]   28:     0x557219d27d5a - test::run_test::run_test_inner::{{closure}}::h1a6c1ab1f6c36f74
[INFO] [stdout]                                at /rustc/4b91a6ea7258a947e59c6522cd5898e7c0a6a88f/library/test/src/lib.rs:489:39
[INFO] [stdout]   29:     0x557219cf42cd - test::run_test::run_test_inner::{{closure}}::hb34d5332aa2ee72c
[INFO] [stdout]                                at /rustc/4b91a6ea7258a947e59c6522cd5898e7c0a6a88f/library/test/src/lib.rs:516:37
[INFO] [stdout]   30:     0x557219cf42cd - std::sys_common::backtrace::__rust_begin_short_backtrace::h99ab4c6a3071a36c
[INFO] [stdout]                                at /rustc/4b91a6ea7258a947e59c6522cd5898e7c0a6a88f/library/std/src/sys_common/backtrace.rs:122:18
[INFO] [stdout]   31:     0x557219cf9cf8 - std::thread::Builder::spawn_unchecked_::{{closure}}::{{closure}}::h27cba0714207d393
[INFO] [stdout]                                at /rustc/4b91a6ea7258a947e59c6522cd5898e7c0a6a88f/library/std/src/thread/mod.rs:505:17
[INFO] [stdout]   32:     0x557219cf9cf8 - <core::panic::unwind_safe::AssertUnwindSafe<F> as core::ops::function::FnOnce<()>>::call_once::h9cf84e534f80e48a
[INFO] [stdout]                                at /rustc/4b91a6ea7258a947e59c6522cd5898e7c0a6a88f/library/core/src/panic/unwind_safe.rs:271:9
[INFO] [stdout]   33:     0x557219cf9cf8 - std::panicking::try::do_call::hcd5ff80e96737b38
[INFO] [stdout]                                at /rustc/4b91a6ea7258a947e59c6522cd5898e7c0a6a88f/library/std/src/panicking.rs:492:40
[INFO] [stdout]   34:     0x557219cf9cf8 - std::panicking::try::h1813b6532a9dacd8
[INFO] [stdout]                                at /rustc/4b91a6ea7258a947e59c6522cd5898e7c0a6a88f/library/std/src/panicking.rs:456:19
[INFO] [stdout]   35:     0x557219cf9cf8 - std::panic::catch_unwind::hff2a46cca1d01f0b
[INFO] [stdout]                                at /rustc/4b91a6ea7258a947e59c6522cd5898e7c0a6a88f/library/std/src/panic.rs:137:14
[INFO] [stdout]   36:     0x557219cf9cf8 - std::thread::Builder::spawn_unchecked_::{{closure}}::h83c4b74ca1b724fc
[INFO] [stdout]                                at /rustc/4b91a6ea7258a947e59c6522cd5898e7c0a6a88f/library/std/src/thread/mod.rs:504:30
[INFO] [stdout]   37:     0x557219cf9cf8 - core::ops::function::FnOnce::call_once{{vtable.shim}}::h9e3eb359359c7897
[INFO] [stdout]                                at /rustc/4b91a6ea7258a947e59c6522cd5898e7c0a6a88f/library/core/src/ops/function.rs:248:5
[INFO] [stdout]   38:     0x557219d55cb3 - <alloc::boxed::Box<F,A> as core::ops::function::FnOnce<Args>>::call_once::h1680342795a2dc08
[INFO] [stdout]                                at /rustc/4b91a6ea7258a947e59c6522cd5898e7c0a6a88f/library/alloc/src/boxed.rs:1951:9
[INFO] [stdout]   39:     0x557219d55cb3 - <alloc::boxed::Box<F,A> as core::ops::function::FnOnce<Args>>::call_once::h45204a69827b0e83
[INFO] [stdout]                                at /rustc/4b91a6ea7258a947e59c6522cd5898e7c0a6a88f/library/alloc/src/boxed.rs:1951:9
[INFO] [stdout]   40:     0x557219d55cb3 - std::sys::unix::thread::Thread::new::thread_start::h5d4e11bbda4161c8
[INFO] [stdout]                                at /rustc/4b91a6ea7258a947e59c6522cd5898e7c0a6a88f/library/std/src/sys/unix/thread.rs:108:17
[INFO] [stdout]   41:     0x7fd90d1ed609 - start_thread
[INFO] [stdout]   42:     0x7fd90cfbd133 - clone
[INFO] [stdout]   43:                0x0 - <unknown>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout]     unit_tests::server_works
[INFO] [stdout] 
[INFO] [stdout] test result: FAILED. 3 passed; 1 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.50s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "49445b2b0ff1028354e510415bf4df71644467f2021dabbdcc1487bdd1cd2f0a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "49445b2b0ff1028354e510415bf4df71644467f2021dabbdcc1487bdd1cd2f0a", kill_on_drop: false }`
[INFO] [stdout] 49445b2b0ff1028354e510415bf4df71644467f2021dabbdcc1487bdd1cd2f0a