[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 beta-2023-10-04 for beta-1.74-1 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fnorthpole79%2Ftcp_comms" "/workspace/builds/worker-7-tc2/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-7-tc2/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/northpole79/tcp_comms on toolchain beta-2023-10-04 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2023-10-04" "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-7-tc2/source/Cargo.toml [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2023-10-04" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2023-10-04" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:4f8da3c744d2da974e54ce020a79f4ad54313e914ebeaab8fc086f07e8d8b066" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2023-10-04" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 2d7f1b83eb94a0b3d4f749b792be24d5b533f4e373fa9418ad505c9f79844757 [INFO] running `Command { std: "docker" "start" "-a" "2d7f1b83eb94a0b3d4f749b792be24d5b533f4e373fa9418ad505c9f79844757", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "2d7f1b83eb94a0b3d4f749b792be24d5b533f4e373fa9418ad505c9f79844757", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "2d7f1b83eb94a0b3d4f749b792be24d5b533f4e373fa9418ad505c9f79844757", kill_on_drop: false }` [INFO] [stdout] 2d7f1b83eb94a0b3d4f749b792be24d5b533f4e373fa9418ad505c9f79844757 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=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@sha256:4f8da3c744d2da974e54ce020a79f4ad54313e914ebeaab8fc086f07e8d8b066" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2023-10-04" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 9ef3fc657a32960f8a2440d0c8dc931526f1696339b499cb610dd908ee3bf7df [INFO] running `Command { std: "docker" "start" "-a" "9ef3fc657a32960f8a2440d0c8dc931526f1696339b499cb610dd908ee3bf7df", 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 0.33s [INFO] running `Command { std: "docker" "inspect" "9ef3fc657a32960f8a2440d0c8dc931526f1696339b499cb610dd908ee3bf7df", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "9ef3fc657a32960f8a2440d0c8dc931526f1696339b499cb610dd908ee3bf7df", kill_on_drop: false }` [INFO] [stdout] 9ef3fc657a32960f8a2440d0c8dc931526f1696339b499cb610dd908ee3bf7df [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=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@sha256:4f8da3c744d2da974e54ce020a79f4ad54313e914ebeaab8fc086f07e8d8b066" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2023-10-04" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 7090e94e1004534b2402a7d9c79ad0fda63e3fbe2e5d3ae1f94ac420b75819bd [INFO] running `Command { std: "docker" "start" "-a" "7090e94e1004534b2402a7d9c79ad0fda63e3fbe2e5d3ae1f94ac420b75819bd", 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" "7090e94e1004534b2402a7d9c79ad0fda63e3fbe2e5d3ae1f94ac420b75819bd", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "7090e94e1004534b2402a7d9c79ad0fda63e3fbe2e5d3ae1f94ac420b75819bd", kill_on_drop: false }` [INFO] [stdout] 7090e94e1004534b2402a7d9c79ad0fda63e3fbe2e5d3ae1f94ac420b75819bd [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=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@sha256:4f8da3c744d2da974e54ce020a79f4ad54313e914ebeaab8fc086f07e8d8b066" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2023-10-04" "test" "--frozen", kill_on_drop: false }` [INFO] [stdout] feed991f24b962347382b54bcf44f63fbae5c54ff40127c77a1e150d90675e46 [INFO] running `Command { std: "docker" "start" "-a" "feed991f24b962347382b54bcf44f63fbae5c54ff40127c77a1e150d90675e46", 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 (run `cargo fix --lib -p tcp_comms` to apply 1 suggestion) [INFO] [stderr] warning: `tcp_comms` (lib test) generated 1 warning (1 duplicate) [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 0.01s [INFO] [stderr] Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/tcp_comms-ab2050720fc782b0) [INFO] [stdout] [INFO] [stdout] running 4 tests [INFO] [stdout] test unit_tests::network_works ... ok [INFO] [stdout] test unit_tests::it_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 '' panicked at src/server.rs:39:56: [INFO] [stdout] called `Result::unwrap()` on an `Err` value: Os { code: 98, kind: AddrInUse, message: "Address already in use" } [INFO] [stdout] stack backtrace: [INFO] [stdout] 0: 0x5576ff19046c - std::backtrace_rs::backtrace::libunwind::trace::h4defc72db73cd441 [INFO] [stdout] at /rustc/b5c050febf10c9bcc0459d41fe2a1e190ad30b8d/library/std/src/../../backtrace/src/backtrace/libunwind.rs:93:5 [INFO] [stdout] 1: 0x5576ff19046c - std::backtrace_rs::backtrace::trace_unsynchronized::hb1d8a8b488fa82dc [INFO] [stdout] at /rustc/b5c050febf10c9bcc0459d41fe2a1e190ad30b8d/library/std/src/../../backtrace/src/backtrace/mod.rs:66:5 [INFO] [stdout] 2: 0x5576ff19046c - std::sys_common::backtrace::_print_fmt::h3adc87026f68ef7c [INFO] [stdout] at /rustc/b5c050febf10c9bcc0459d41fe2a1e190ad30b8d/library/std/src/sys_common/backtrace.rs:67:5 [INFO] [stdout] 3: 0x5576ff19046c - ::fmt::hae0f2018b67c9dd2 [INFO] [stdout] at /rustc/b5c050febf10c9bcc0459d41fe2a1e190ad30b8d/library/std/src/sys_common/backtrace.rs:44:22 [INFO] [stdout] 4: 0x5576ff1bb3bc - core::fmt::rt::Argument::fmt::h0aeca3e83668e143 [INFO] [stdout] at /rustc/b5c050febf10c9bcc0459d41fe2a1e190ad30b8d/library/core/src/fmt/rt.rs:138:9 [INFO] [stdout] 5: 0x5576ff1bb3bc - core::fmt::write::h96bf1b6ef709071f [INFO] [stdout] at /rustc/b5c050febf10c9bcc0459d41fe2a1e190ad30b8d/library/core/src/fmt/mod.rs:1114:21 [INFO] [stdout] 6: 0x5576ff18cffe - std::io::Write::write_fmt::hcfdabc06f3bbacfb [INFO] [stdout] at /rustc/b5c050febf10c9bcc0459d41fe2a1e190ad30b8d/library/std/src/io/mod.rs:1763:15 [INFO] [stdout] 7: 0x5576ff190254 - std::sys_common::backtrace::_print::hd4ef7cdeb67d2ffe [INFO] [stdout] at /rustc/b5c050febf10c9bcc0459d41fe2a1e190ad30b8d/library/std/src/sys_common/backtrace.rs:47:5 [INFO] [stdout] 8: 0x5576ff190254 - std::sys_common::backtrace::print::hf4a0f6d32c50b08e [INFO] [stdout] at /rustc/b5c050febf10c9bcc0459d41fe2a1e190ad30b8d/library/std/src/sys_common/backtrace.rs:34:9 [INFO] [stdout] 9: 0x5576ff192013 - std::panicking::default_hook::{{closure}}::hf64a6c095f9954ab [INFO] [stdout] at /rustc/b5c050febf10c9bcc0459d41fe2a1e190ad30b8d/library/std/src/panicking.rs:272:22 [INFO] [stdout] 10: 0x5576ff191cb7 - std::panicking::default_hook::h81f354a056ffc649 [INFO] [stdout] at /rustc/b5c050febf10c9bcc0459d41fe2a1e190ad30b8d/library/std/src/panicking.rs:289:9 [INFO] [stdout] 11: 0x5576ff160d5c - as core::ops::function::Fn>::call::h16c22045506fc2d3 [INFO] [stdout] at /rustc/b5c050febf10c9bcc0459d41fe2a1e190ad30b8d/library/alloc/src/boxed.rs:2021:9 [INFO] [stdout] 12: 0x5576ff160d5c - test::test_main::{{closure}}::hd8d5b5bb0900d116 [INFO] [stdout] at /rustc/b5c050febf10c9bcc0459d41fe2a1e190ad30b8d/library/test/src/lib.rs:136:21 [INFO] [stdout] 13: 0x5576ff192711 - as core::ops::function::Fn>::call::h2d4fa3dcc7099287 [INFO] [stdout] at /rustc/b5c050febf10c9bcc0459d41fe2a1e190ad30b8d/library/alloc/src/boxed.rs:2021:9 [INFO] [stdout] 14: 0x5576ff192711 - std::panicking::rust_panic_with_hook::h1387a687c5711a74 [INFO] [stdout] at /rustc/b5c050febf10c9bcc0459d41fe2a1e190ad30b8d/library/std/src/panicking.rs:735:13 [INFO] [stdout] 15: 0x5576ff192491 - std::panicking::begin_panic_handler::{{closure}}::hf2467c63b8ad7371 [INFO] [stdout] at /rustc/b5c050febf10c9bcc0459d41fe2a1e190ad30b8d/library/std/src/panicking.rs:609:13 [INFO] [stdout] 16: 0x5576ff190996 - std::sys_common::backtrace::__rust_end_short_backtrace::h0b678d0f70fbf3ba [INFO] [stdout] at /rustc/b5c050febf10c9bcc0459d41fe2a1e190ad30b8d/library/std/src/sys_common/backtrace.rs:170:18 [INFO] [stdout] 17: 0x5576ff1921e2 - rust_begin_unwind [INFO] [stdout] at /rustc/b5c050febf10c9bcc0459d41fe2a1e190ad30b8d/library/std/src/panicking.rs:597:5 [INFO] [stdout] 18: 0x5576ff1126f5 - core::panicking::panic_fmt::h8398f9bd40a2efcd [INFO] [stdout] at /rustc/b5c050febf10c9bcc0459d41fe2a1e190ad30b8d/library/core/src/panicking.rs:72:14 [INFO] [stdout] 19: 0x5576ff112b93 - core::result::unwrap_failed::heaac613e95fb85f7 [INFO] [stdout] at /rustc/b5c050febf10c9bcc0459d41fe2a1e190ad30b8d/library/core/src/result.rs:1652:5 [INFO] [stdout] 20: 0x5576ff1219cb - core::result::Result::unwrap::hd19d8b5cb97ee7b2 [INFO] [stdout] at /rustc/b5c050febf10c9bcc0459d41fe2a1e190ad30b8d/library/core/src/result.rs:1077:23 [INFO] [stdout] 21: 0x5576ff11cbdf - tcp_comms::server::handle_accept::h88d01236428d7bc4 [INFO] [stdout] at /opt/rustwide/workdir/src/server.rs:39:20 [INFO] [stdout] 22: 0x5576ff11cb73 - tcp_comms::server::start::{{closure}}::h31bbef3d6d984ab9 [INFO] [stdout] at /opt/rustwide/workdir/src/server.rs:32:9 [INFO] [stdout] 23: 0x5576ff11fe33 - std::sys_common::backtrace::__rust_begin_short_backtrace::h06b27648e45db408 [INFO] [stdout] at /rustc/b5c050febf10c9bcc0459d41fe2a1e190ad30b8d/library/std/src/sys_common/backtrace.rs:154:18 [INFO] [stdout] 24: 0x5576ff12c463 - std::thread::Builder::spawn_unchecked_::{{closure}}::{{closure}}::hce7f2ce86ed31354 [INFO] [stdout] at /rustc/b5c050febf10c9bcc0459d41fe2a1e190ad30b8d/library/std/src/thread/mod.rs:529:17 [INFO] [stdout] 25: 0x5576ff11d413 - as core::ops::function::FnOnce<()>>::call_once::h6990623a8f7dbdaa [INFO] [stdout] at /rustc/b5c050febf10c9bcc0459d41fe2a1e190ad30b8d/library/core/src/panic/unwind_safe.rs:271:9 [INFO] [stdout] 26: 0x5576ff120b76 - std::panicking::try::do_call::h6524ac44aa389cde [INFO] [stdout] at /rustc/b5c050febf10c9bcc0459d41fe2a1e190ad30b8d/library/std/src/panicking.rs:504:40 [INFO] [stdout] 27: 0x5576ff12247b - __rust_try [INFO] [stdout] 28: 0x5576ff12098e - std::panicking::try::h349524cd2a4437a2 [INFO] [stdout] at /rustc/b5c050febf10c9bcc0459d41fe2a1e190ad30b8d/library/std/src/panicking.rs:468:19 [INFO] [stdout] 29: 0x5576ff12c2be - std::panic::catch_unwind::h8c976f7ff2fb55ab [INFO] [stdout] at /rustc/b5c050febf10c9bcc0459d41fe2a1e190ad30b8d/library/std/src/panic.rs:142:14 [INFO] [stdout] 30: 0x5576ff12c2be - std::thread::Builder::spawn_unchecked_::{{closure}}::hbd721cd9a6944131 [INFO] [stdout] at /rustc/b5c050febf10c9bcc0459d41fe2a1e190ad30b8d/library/std/src/thread/mod.rs:528:30 [INFO] [stdout] 31: 0x5576ff117fce - core::ops::function::FnOnce::call_once{{vtable.shim}}::hf6655209670ed2ae [INFO] [stdout] at /rustc/b5c050febf10c9bcc0459d41fe2a1e190ad30b8d/library/core/src/ops/function.rs:250:5 [INFO] [stdout] 32: 0x5576ff196d25 - as core::ops::function::FnOnce>::call_once::h9281b5fb2305c571 [INFO] [stdout] at /rustc/b5c050febf10c9bcc0459d41fe2a1e190ad30b8d/library/alloc/src/boxed.rs:2007:9 [INFO] [stdout] 33: 0x5576ff196d25 - as core::ops::function::FnOnce>::call_once::hae9cb5d464ed2f06 [INFO] [stdout] at /rustc/b5c050febf10c9bcc0459d41fe2a1e190ad30b8d/library/alloc/src/boxed.rs:2007:9 [INFO] [stdout] 34: 0x5576ff196d25 - std::sys::unix::thread::Thread::new::thread_start::he78e4489414f6551 [INFO] [stdout] at /rustc/b5c050febf10c9bcc0459d41fe2a1e190ad30b8d/library/std/src/sys/unix/thread.rs:108:17 [INFO] [stdout] 35: 0x7f26e7032b43 - [INFO] [stdout] 36: 0x7f26e70c3bb4 - __clone [INFO] [stdout] 37: 0x0 - [INFO] [stdout] thread 'unit_tests::server_works' panicked at src/unit_tests.rs:39:60: [INFO] [stdout] called `Result::unwrap()` on an `Err` value: Os { code: 111, kind: ConnectionRefused, message: "Connection refused" } [INFO] [stdout] stack backtrace: [INFO] [stdout] 0: 0x5576ff19046c - std::backtrace_rs::backtrace::libunwind::trace::h4defc72db73cd441 [INFO] [stdout] at /rustc/b5c050febf10c9bcc0459d41fe2a1e190ad30b8d/library/std/src/../../backtrace/src/backtrace/libunwind.rs:93:5 [INFO] [stdout] 1: 0x5576ff19046c - std::backtrace_rs::backtrace::trace_unsynchronized::hb1d8a8b488fa82dc [INFO] [stdout] at /rustc/b5c050febf10c9bcc0459d41fe2a1e190ad30b8d/library/std/src/../../backtrace/src/backtrace/mod.rs:66:5 [INFO] [stdout] 2: 0x5576ff19046c - std::sys_common::backtrace::_print_fmt::h3adc87026f68ef7c [INFO] [stdout] at /rustc/b5c050febf10c9bcc0459d41fe2a1e190ad30b8d/library/std/src/sys_common/backtrace.rs:67:5 [INFO] [stdout] 3: 0x5576ff19046c - ::fmt::hae0f2018b67c9dd2 [INFO] [stdout] at /rustc/b5c050febf10c9bcc0459d41fe2a1e190ad30b8d/library/std/src/sys_common/backtrace.rs:44:22 [INFO] [stdout] 4: 0x5576ff1bb3bc - core::fmt::rt::Argument::fmt::h0aeca3e83668e143 [INFO] [stdout] at /rustc/b5c050febf10c9bcc0459d41fe2a1e190ad30b8d/library/core/src/fmt/rt.rs:138:9 [INFO] [stdout] 5: 0x5576ff1bb3bc - core::fmt::write::h96bf1b6ef709071f [INFO] [stdout] at /rustc/b5c050febf10c9bcc0459d41fe2a1e190ad30b8d/library/core/src/fmt/mod.rs:1114:21 [INFO] [stdout] 6: 0x5576ff18cffe - std::io::Write::write_fmt::hcfdabc06f3bbacfb [INFO] [stdout] at /rustc/b5c050febf10c9bcc0459d41fe2a1e190ad30b8d/library/std/src/io/mod.rs:1763:15 [INFO] [stdout] 7: 0x5576ff190254 - std::sys_common::backtrace::_print::hd4ef7cdeb67d2ffe [INFO] [stdout] at /rustc/b5c050febf10c9bcc0459d41fe2a1e190ad30b8d/library/std/src/sys_common/backtrace.rs:47:5 [INFO] [stdout] 8: 0x5576ff190254 - std::sys_common::backtrace::print::hf4a0f6d32c50b08e [INFO] [stdout] at /rustc/b5c050febf10c9bcc0459d41fe2a1e190ad30b8d/library/std/src/sys_common/backtrace.rs:34:9 [INFO] [stdout] 9: 0x5576ff192013 - std::panicking::default_hook::{{closure}}::hf64a6c095f9954ab [INFO] [stdout] at /rustc/b5c050febf10c9bcc0459d41fe2a1e190ad30b8d/library/std/src/panicking.rs:272:22 [INFO] [stdout] 10: 0x5576ff191cb7 - std::panicking::default_hook::h81f354a056ffc649 [INFO] [stdout] at /rustc/b5c050febf10c9bcc0459d41fe2a1e190ad30b8d/library/std/src/panicking.rs:289:9 [INFO] [stdout] 11: 0x5576ff160d5c - as core::ops::function::Fn>::call::h16c22045506fc2d3 [INFO] [stdout] at /rustc/b5c050febf10c9bcc0459d41fe2a1e190ad30b8d/library/alloc/src/boxed.rs:2021:9 [INFO] [stdout] 12: 0x5576ff160d5c - test::test_main::{{closure}}::hd8d5b5bb0900d116 [INFO] [stdout] at /rustc/b5c050febf10c9bcc0459d41fe2a1e190ad30b8d/library/test/src/lib.rs:136:21 [INFO] [stdout] 13: 0x5576ff192711 - as core::ops::function::Fn>::call::h2d4fa3dcc7099287 [INFO] [stdout] at /rustc/b5c050febf10c9bcc0459d41fe2a1e190ad30b8d/library/alloc/src/boxed.rs:2021:9 [INFO] [stdout] 14: 0x5576ff192711 - std::panicking::rust_panic_with_hook::h1387a687c5711a74 [INFO] [stdout] at /rustc/b5c050febf10c9bcc0459d41fe2a1e190ad30b8d/library/std/src/panicking.rs:735:13 [INFO] [stdout] 15: 0x5576ff192491 - std::panicking::begin_panic_handler::{{closure}}::hf2467c63b8ad7371 [INFO] [stdout] at /rustc/b5c050febf10c9bcc0459d41fe2a1e190ad30b8d/library/std/src/panicking.rs:609:13 [INFO] [stdout] 16: 0x5576ff190996 - std::sys_common::backtrace::__rust_end_short_backtrace::h0b678d0f70fbf3ba [INFO] [stdout] at /rustc/b5c050febf10c9bcc0459d41fe2a1e190ad30b8d/library/std/src/sys_common/backtrace.rs:170:18 [INFO] [stdout] 17: 0x5576ff1921e2 - rust_begin_unwind [INFO] [stdout] at /rustc/b5c050febf10c9bcc0459d41fe2a1e190ad30b8d/library/std/src/panicking.rs:597:5 [INFO] [stdout] 18: 0x5576ff1126f5 - core::panicking::panic_fmt::h8398f9bd40a2efcd [INFO] [stdout] at /rustc/b5c050febf10c9bcc0459d41fe2a1e190ad30b8d/library/core/src/panicking.rs:72:14 [INFO] [stdout] 19: 0x5576ff112b93 - core::result::unwrap_failed::heaac613e95fb85f7 [INFO] [stdout] at /rustc/b5c050febf10c9bcc0459d41fe2a1e190ad30b8d/library/core/src/result.rs:1652:5 [INFO] [stdout] 20: 0x5576ff12188b - core::result::Result::unwrap::h57eb60df736d6b2f [INFO] [stdout] at /rustc/b5c050febf10c9bcc0459d41fe2a1e190ad30b8d/library/core/src/result.rs:1077:23 [INFO] [stdout] 21: 0x5576ff124b19 - tcp_comms::unit_tests::server_works::h66c3da9bb54dddf0 [INFO] [stdout] at /opt/rustwide/workdir/src/unit_tests.rs:39:23 [INFO] [stdout] 22: 0x5576ff124a47 - tcp_comms::unit_tests::server_works::{{closure}}::h4809254428ce06a2 [INFO] [stdout] at /opt/rustwide/workdir/src/unit_tests.rs:36:19 [INFO] [stdout] 23: 0x5576ff1180f6 - core::ops::function::FnOnce::call_once::h6f5a5fa8d880d4db [INFO] [stdout] at /rustc/b5c050febf10c9bcc0459d41fe2a1e190ad30b8d/library/core/src/ops/function.rs:250:5 [INFO] [stdout] 24: 0x5576ff165def - core::ops::function::FnOnce::call_once::h643f2128867058a3 [INFO] [stdout] at /rustc/b5c050febf10c9bcc0459d41fe2a1e190ad30b8d/library/core/src/ops/function.rs:250:5 [INFO] [stdout] 25: 0x5576ff165def - test::__rust_begin_short_backtrace::h5ffb0cd5eda0704e [INFO] [stdout] at /rustc/b5c050febf10c9bcc0459d41fe2a1e190ad30b8d/library/test/src/lib.rs:626:18 [INFO] [stdout] 26: 0x5576ff164e7e - test::run_test_in_process::{{closure}}::h5f3f2c50e89f10f6 [INFO] [stdout] at /rustc/b5c050febf10c9bcc0459d41fe2a1e190ad30b8d/library/test/src/lib.rs:649:60 [INFO] [stdout] 27: 0x5576ff164e7e - as core::ops::function::FnOnce<()>>::call_once::hc7bb05d011c94549 [INFO] [stdout] at /rustc/b5c050febf10c9bcc0459d41fe2a1e190ad30b8d/library/core/src/panic/unwind_safe.rs:271:9 [INFO] [stdout] 28: 0x5576ff164e7e - std::panicking::try::do_call::hc2952fe5005bc351 [INFO] [stdout] at /rustc/b5c050febf10c9bcc0459d41fe2a1e190ad30b8d/library/std/src/panicking.rs:504:40 [INFO] [stdout] 29: 0x5576ff164e7e - std::panicking::try::hac512ea76b947046 [INFO] [stdout] at /rustc/b5c050febf10c9bcc0459d41fe2a1e190ad30b8d/library/std/src/panicking.rs:468:19 [INFO] [stdout] 30: 0x5576ff164e7e - std::panic::catch_unwind::h11d3922f3ba31e4b [INFO] [stdout] at /rustc/b5c050febf10c9bcc0459d41fe2a1e190ad30b8d/library/std/src/panic.rs:142:14 [INFO] [stdout] 31: 0x5576ff164e7e - test::run_test_in_process::h25ad0551c6887d56 [INFO] [stdout] at /rustc/b5c050febf10c9bcc0459d41fe2a1e190ad30b8d/library/test/src/lib.rs:649:27 [INFO] [stdout] 32: 0x5576ff164e7e - test::run_test::{{closure}}::h52dd364f39118330 [INFO] [stdout] at /rustc/b5c050febf10c9bcc0459d41fe2a1e190ad30b8d/library/test/src/lib.rs:572:43 [INFO] [stdout] 33: 0x5576ff12ddd3 - test::run_test::{{closure}}::ha452ffb46088765b [INFO] [stdout] at /rustc/b5c050febf10c9bcc0459d41fe2a1e190ad30b8d/library/test/src/lib.rs:600:41 [INFO] [stdout] 34: 0x5576ff12ddd3 - std::sys_common::backtrace::__rust_begin_short_backtrace::he611e39b84a68325 [INFO] [stdout] at /rustc/b5c050febf10c9bcc0459d41fe2a1e190ad30b8d/library/std/src/sys_common/backtrace.rs:154:18 [INFO] [stdout] 35: 0x5576ff13300b - std::thread::Builder::spawn_unchecked_::{{closure}}::{{closure}}::h1f6f90a021c1ddc7 [INFO] [stdout] at /rustc/b5c050febf10c9bcc0459d41fe2a1e190ad30b8d/library/std/src/thread/mod.rs:529:17 [INFO] [stdout] 36: 0x5576ff13300b - as core::ops::function::FnOnce<()>>::call_once::hde337ea7211d438c [INFO] [stdout] at /rustc/b5c050febf10c9bcc0459d41fe2a1e190ad30b8d/library/core/src/panic/unwind_safe.rs:271:9 [INFO] [stdout] 37: 0x5576ff13300b - std::panicking::try::do_call::hd7199cb78d8df0a5 [INFO] [stdout] at /rustc/b5c050febf10c9bcc0459d41fe2a1e190ad30b8d/library/std/src/panicking.rs:504:40 [INFO] [stdout] 38: 0x5576ff13300b - std::panicking::try::hed28d716c8fe6b32 [INFO] [stdout] at /rustc/b5c050febf10c9bcc0459d41fe2a1e190ad30b8d/library/std/src/panicking.rs:468:19 [INFO] [stdout] 39: 0x5576ff13300b - std::panic::catch_unwind::h8ab888e8615782f1 [INFO] [stdout] at /rustc/b5c050febf10c9bcc0459d41fe2a1e190ad30b8d/library/std/src/panic.rs:142:14 [INFO] [stdout] 40: 0x5576ff13300b - std::thread::Builder::spawn_unchecked_::{{closure}}::h3acf7202ecbb668e [INFO] [stdout] at /rustc/b5c050febf10c9bcc0459d41fe2a1e190ad30b8d/library/std/src/thread/mod.rs:528:30 [INFO] [stdout] 41: 0x5576ff13300b - core::ops::function::FnOnce::call_once{{vtable.shim}}::hc15bd9319945b48c [INFO] [stdout] at /rustc/b5c050febf10c9bcc0459d41fe2a1e190ad30b8d/library/core/src/ops/function.rs:250:5 [INFO] [stdout] 42: 0x5576ff196d25 - as core::ops::function::FnOnce>::call_once::h9281b5fb2305c571 [INFO] [stdout] at /rustc/b5c050febf10c9bcc0459d41fe2a1e190ad30b8d/library/alloc/src/boxed.rs:2007:9 [INFO] [stdout] 43: 0x5576ff196d25 - as core::ops::function::FnOnce>::call_once::hae9cb5d464ed2f06 [INFO] [stdout] at /rustc/b5c050febf10c9bcc0459d41fe2a1e190ad30b8d/library/alloc/src/boxed.rs:2007:9 [INFO] [stdout] 44: 0x5576ff196d25 - std::sys::unix::thread::Thread::new::thread_start::he78e4489414f6551 [INFO] [stdout] at /rustc/b5c050febf10c9bcc0459d41fe2a1e190ad30b8d/library/std/src/sys/unix/thread.rs:108:17 [INFO] [stdout] 45: 0x7f26e7032b43 - [INFO] [stdout] 46: 0x7f26e70c3bb4 - __clone [INFO] [stdout] 47: 0x0 - [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" "feed991f24b962347382b54bcf44f63fbae5c54ff40127c77a1e150d90675e46", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "feed991f24b962347382b54bcf44f63fbae5c54ff40127c77a1e150d90675e46", kill_on_drop: false }` [INFO] [stdout] feed991f24b962347382b54bcf44f63fbae5c54ff40127c77a1e150d90675e46