[INFO] fetching crate mio_tcp_loop 0.1.17...
[INFO] testing mio_tcp_loop-0.1.17 against master#62efba8a050c64249dab942951bb28f710208bc8 for pr-90799
[INFO] extracting crate mio_tcp_loop 0.1.17 into /workspace/builds/worker-14/source
[INFO] validating manifest of crates.io crate mio_tcp_loop 0.1.17 on toolchain 62efba8a050c64249dab942951bb28f710208bc8
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+62efba8a050c64249dab942951bb28f710208bc8" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate mio_tcp_loop 0.1.17
[INFO] finished tweaking crates.io crate mio_tcp_loop 0.1.17
[INFO] tweaked toml for crates.io crate mio_tcp_loop 0.1.17 written to /workspace/builds/worker-14/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+62efba8a050c64249dab942951bb28f710208bc8" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+62efba8a050c64249dab942951bb28f710208bc8" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+62efba8a050c64249dab942951bb28f710208bc8" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 9737184b41a5921aa6d5c78ee0d68998394ea194bca3b86bcbdeae676235e6ec
[INFO] running `Command { std: "docker" "start" "-a" "9737184b41a5921aa6d5c78ee0d68998394ea194bca3b86bcbdeae676235e6ec", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "9737184b41a5921aa6d5c78ee0d68998394ea194bca3b86bcbdeae676235e6ec", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9737184b41a5921aa6d5c78ee0d68998394ea194bca3b86bcbdeae676235e6ec", kill_on_drop: false }`
[INFO] [stdout] 9737184b41a5921aa6d5c78ee0d68998394ea194bca3b86bcbdeae676235e6ec
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+62efba8a050c64249dab942951bb28f710208bc8" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] cfa7edcaa8c949b6c6efb1a01d7a7f1802e752ffe13631128882c9035818ab95
[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" "cfa7edcaa8c949b6c6efb1a01d7a7f1802e752ffe13631128882c9035818ab95", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling cfg-if v0.1.10
[INFO] [stderr]    Compiling cfg-if v1.0.0
[INFO] [stderr]    Compiling slab v0.4.5
[INFO] [stderr]    Compiling anyhow v1.0.51
[INFO] [stderr]    Compiling lazycell v1.3.0
[INFO] [stderr]    Compiling kaniexpect v0.1.3
[INFO] [stderr]    Compiling iovec v0.1.4
[INFO] [stderr]    Compiling log v0.4.14
[INFO] [stderr]    Compiling net2 v0.2.37
[INFO] [stderr]    Compiling mio v0.6.23
[INFO] [stderr]    Compiling mio-extras v2.0.6
[INFO] [stderr]    Compiling mio_tcp_loop v0.1.17 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `anyhow::anyhow`
[INFO] [stdout]  --> src/lib.rs:8:5
[INFO] [stdout]   |
[INFO] [stdout] 8 | use anyhow::anyhow;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `debug`
[INFO] [stdout]   --> src/lib.rs:10:11
[INFO] [stdout]    |
[INFO] [stdout] 10 | use log::{debug, info, trace, error};
[INFO] [stdout]    |           ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 6.60s
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "cfa7edcaa8c949b6c6efb1a01d7a7f1802e752ffe13631128882c9035818ab95", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "cfa7edcaa8c949b6c6efb1a01d7a7f1802e752ffe13631128882c9035818ab95", kill_on_drop: false }`
[INFO] [stdout] cfa7edcaa8c949b6c6efb1a01d7a7f1802e752ffe13631128882c9035818ab95
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+62efba8a050c64249dab942951bb28f710208bc8" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 77eab9ac5c58eb184219c1a7a1e5da361047a7b6e7cf704979a001e9c551c038
[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" "77eab9ac5c58eb184219c1a7a1e5da361047a7b6e7cf704979a001e9c551c038", kill_on_drop: false }`
[INFO] [stderr]    Compiling mio_tcp_loop v0.1.17 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `anyhow::anyhow`
[INFO] [stdout]  --> src/lib.rs:8:5
[INFO] [stdout]   |
[INFO] [stdout] 8 | use anyhow::anyhow;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `debug`
[INFO] [stdout]   --> src/lib.rs:10:11
[INFO] [stdout]    |
[INFO] [stdout] 10 | use log::{debug, info, trace, error};
[INFO] [stdout]    |           ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `anyhow::anyhow`
[INFO] [stdout]  --> src/lib.rs:8:5
[INFO] [stdout]   |
[INFO] [stdout] 8 | use anyhow::anyhow;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `debug`
[INFO] [stdout]   --> src/lib.rs:10:11
[INFO] [stdout]    |
[INFO] [stdout] 10 | use log::{debug, info, trace, error};
[INFO] [stdout]    |           ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 2.31s
[INFO] running `Command { std: "docker" "inspect" "77eab9ac5c58eb184219c1a7a1e5da361047a7b6e7cf704979a001e9c551c038", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "77eab9ac5c58eb184219c1a7a1e5da361047a7b6e7cf704979a001e9c551c038", kill_on_drop: false }`
[INFO] [stdout] 77eab9ac5c58eb184219c1a7a1e5da361047a7b6e7cf704979a001e9c551c038
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+62efba8a050c64249dab942951bb28f710208bc8" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] e28b6b0efab19da024007bed08454d2e98851bcd9cec86fc4f2f86031278ec21
[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" "e28b6b0efab19da024007bed08454d2e98851bcd9cec86fc4f2f86031278ec21", kill_on_drop: false }`
[INFO] [stderr] warning: unused import: `anyhow::anyhow`
[INFO] [stderr]  --> src/lib.rs:8:5
[INFO] [stderr]   |
[INFO] [stderr] 8 | use anyhow::anyhow;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `debug`
[INFO] [stderr]   --> src/lib.rs:10:11
[INFO] [stderr]    |
[INFO] [stderr] 10 | use log::{debug, info, trace, error};
[INFO] [stderr]    |           ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: `mio_tcp_loop` (lib) generated 2 warnings
[INFO] [stderr] warning: `mio_tcp_loop` (lib test) generated 2 warnings (2 duplicates)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.04s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/mio_tcp_loop-5fabd158e6e68283)
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test tests::it_works ... FAILED
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout] 
[INFO] [stdout] ---- tests::it_works stdout ----
[INFO] [stdout] thread '<unnamed>' panicked at 'src/lib.rs:121: Connection refused (os error 111)
[INFO] [stdout] 
[INFO] [stdout] Stack backtrace:
[INFO] [stdout]    0: anyhow::error::<impl core::convert::From<E> for anyhow::Error>::from
[INFO] [stdout]              at /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/anyhow-1.0.51/src/error.rs:530:25
[INFO] [stdout]    1: <core::result::Result<T,F> as core::ops::try_trait::FromResidual<core::result::Result<core::convert::Infallible,E>>>::from_residual
[INFO] [stdout]              at /rustc/62efba8a050c64249dab942951bb28f710208bc8/library/core/src/result.rs:1911:27
[INFO] [stdout]    2: mio_tcp_loop::TcpStreamThread::thread_loop
[INFO] [stdout]              at ./src/lib.rs:174:36
[INFO] [stdout]    3: mio_tcp_loop::TcpStreamThread::start_tcp_stream_thread::{{closure}}
[INFO] [stdout]              at ./src/lib.rs:121:21
[INFO] [stdout]    4: std::sys_common::backtrace::__rust_begin_short_backtrace
[INFO] [stdout]              at /rustc/62efba8a050c64249dab942951bb28f710208bc8/library/std/src/sys_common/backtrace.rs:123:18
[INFO] [stdout]    5: std::thread::Builder::spawn_unchecked::{{closure}}::{{closure}}
[INFO] [stdout]              at /rustc/62efba8a050c64249dab942951bb28f710208bc8/library/std/src/thread/mod.rs:484:17
[INFO] [stdout]    6: <core::panic::unwind_safe::AssertUnwindSafe<F> as core::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]              at /rustc/62efba8a050c64249dab942951bb28f710208bc8/library/core/src/panic/unwind_safe.rs:271:9
[INFO] [stdout]    7: std::panicking::try::do_call
[INFO] [stdout]              at /rustc/62efba8a050c64249dab942951bb28f710208bc8/library/std/src/panicking.rs:406:40
[INFO] [stdout]    8: __rust_try
[INFO] [stdout]    9: std::panicking::try
[INFO] [stdout]              at /rustc/62efba8a050c64249dab942951bb28f710208bc8/library/std/src/panicking.rs:370:19
[INFO] [stdout]   10: std::panic::catch_unwind
[INFO] [stdout]              at /rustc/62efba8a050c64249dab942951bb28f710208bc8/library/std/src/panic.rs:133:14
[INFO] [stdout]   11: std::thread::Builder::spawn_unchecked::{{closure}}
[INFO] [stdout]              at /rustc/62efba8a050c64249dab942951bb28f710208bc8/library/std/src/thread/mod.rs:483:30
[INFO] [stdout]   12: core::ops::function::FnOnce::call_once{{vtable.shim}}
[INFO] [stdout]              at /rustc/62efba8a050c64249dab942951bb28f710208bc8/library/core/src/ops/function.rs:227:5
[INFO] [stdout]   13: <alloc::boxed::Box<F,A> as core::ops::function::FnOnce<Args>>::call_once
[INFO] [stdout]              at /rustc/62efba8a050c64249dab942951bb28f710208bc8/library/alloc/src/boxed.rs:1694:9
[INFO] [stdout]   14: <alloc::boxed::Box<F,A> as core::ops::function::FnOnce<Args>>::call_once
[INFO] [stdout]              at /rustc/62efba8a050c64249dab942951bb28f710208bc8/library/alloc/src/boxed.rs:1694:9
[INFO] [stdout]   15: std::sys::unix::thread::Thread::new::thread_start
[INFO] [stdout]              at /rustc/62efba8a050c64249dab942951bb28f710208bc8/library/std/src/sys/unix/thread.rs:106:17
[INFO] [stdout]   16: start_thread
[INFO] [stdout]   17: clone', src/lib.rs:121:13
[INFO] [stdout] stack backtrace:
[INFO] [stdout]    0:     0x5641e9cefe5c - std::backtrace_rs::backtrace::libunwind::trace::h793e05efd273d0f4
[INFO] [stdout]                                at /rustc/62efba8a050c64249dab942951bb28f710208bc8/library/std/src/../../backtrace/src/backtrace/libunwind.rs:93:5
[INFO] [stdout]    1:     0x5641e9cefe5c - std::backtrace_rs::backtrace::trace_unsynchronized::h640b7b86ff610c77
[INFO] [stdout]                                at /rustc/62efba8a050c64249dab942951bb28f710208bc8/library/std/src/../../backtrace/src/backtrace/mod.rs:66:5
[INFO] [stdout]    2:     0x5641e9cefe5c - std::sys_common::backtrace::_print_fmt::h362fa2a4f354f877
[INFO] [stdout]                                at /rustc/62efba8a050c64249dab942951bb28f710208bc8/library/std/src/sys_common/backtrace.rs:67:5
[INFO] [stdout]    3:     0x5641e9cefe5c - <std::sys_common::backtrace::_print::DisplayBacktrace as core::fmt::Display>::fmt::hf439e5ed84c74abd
[INFO] [stdout]                                at /rustc/62efba8a050c64249dab942951bb28f710208bc8/library/std/src/sys_common/backtrace.rs:46:22
[INFO] [stdout]    4:     0x5641e9d12dac - core::fmt::write::h72801a82c94e6ff1
[INFO] [stdout]                                at /rustc/62efba8a050c64249dab942951bb28f710208bc8/library/core/src/fmt/mod.rs:1149:17
[INFO] [stdout]    5:     0x5641e9cea7e5 - std::io::Write::write_fmt::h54337adeb3504c03
[INFO] [stdout]                                at /rustc/62efba8a050c64249dab942951bb28f710208bc8/library/std/src/io/mod.rs:1697:15
[INFO] [stdout]    6:     0x5641e9cf1900 - std::sys_common::backtrace::_print::hb29ddd998d02631c
[INFO] [stdout]                                at /rustc/62efba8a050c64249dab942951bb28f710208bc8/library/std/src/sys_common/backtrace.rs:49:5
[INFO] [stdout]    7:     0x5641e9cf1900 - std::sys_common::backtrace::print::h81965e3d7c90fbb6
[INFO] [stdout]                                at /rustc/62efba8a050c64249dab942951bb28f710208bc8/library/std/src/sys_common/backtrace.rs:36:9
[INFO] [stdout]    8:     0x5641e9cf1900 - std::panicking::default_hook::{{closure}}::h84db205ab6674b38
[INFO] [stdout]                                at /rustc/62efba8a050c64249dab942951bb28f710208bc8/library/std/src/panicking.rs:211:50
[INFO] [stdout]    9:     0x5641e9cf14e6 - std::panicking::default_hook::h1bf8bb4159936bca
[INFO] [stdout]                                at /rustc/62efba8a050c64249dab942951bb28f710208bc8/library/std/src/panicking.rs:225:9
[INFO] [stdout]   10:     0x5641e9cf1fb4 - std::panicking::rust_panic_with_hook::hf8e86850fbbd03b1
[INFO] [stdout]                                at /rustc/62efba8a050c64249dab942951bb28f710208bc8/library/std/src/panicking.rs:606:17
[INFO] [stdout]   11:     0x5641e9cf1a90 - std::panicking::begin_panic_handler::{{closure}}::h590a0d6060ff866e
[INFO] [stdout]                                at /rustc/62efba8a050c64249dab942951bb28f710208bc8/library/std/src/panicking.rs:502:13
[INFO] [stdout]   12:     0x5641e9cf0314 - std::sys_common::backtrace::__rust_end_short_backtrace::h260b8bd1c848a03c
[INFO] [stdout]                                at /rustc/62efba8a050c64249dab942951bb28f710208bc8/library/std/src/sys_common/backtrace.rs:139:18
[INFO] [stdout]   13:     0x5641e9cf19f9 - rust_begin_unwind
[INFO] [stdout]                                at /rustc/62efba8a050c64249dab942951bb28f710208bc8/library/std/src/panicking.rs:498:5
[INFO] [stdout]   14:     0x5641e9c3c8f1 - core::panicking::panic_fmt::h7b8580d81fcbbacd
[INFO] [stdout]                                at /rustc/62efba8a050c64249dab942951bb28f710208bc8/library/core/src/panicking.rs:106:14
[INFO] [stdout]   15:     0x5641e9c3c9e3 - core::result::unwrap_failed::h885d3f7beb571353
[INFO] [stdout]                                at /rustc/62efba8a050c64249dab942951bb28f710208bc8/library/core/src/result.rs:1613:5
[INFO] [stdout]   16:     0x5641e9c6646b - core::result::Result<T,E>::expect::h150e543ff464cc61
[INFO] [stdout]                                at /rustc/62efba8a050c64249dab942951bb28f710208bc8/library/core/src/result.rs:1255:23
[INFO] [stdout]   17:     0x5641e9c59668 - mio_tcp_loop::TcpStreamThread::start_tcp_stream_thread::{{closure}}::hc5b447f94342714f
[INFO] [stdout]                                at /opt/rustwide/workdir/src/lib.rs:121:13
[INFO] [stdout]   18:     0x5641e9c55a80 - std::sys_common::backtrace::__rust_begin_short_backtrace::h38104595a9d307c0
[INFO] [stdout]                                at /rustc/62efba8a050c64249dab942951bb28f710208bc8/library/std/src/sys_common/backtrace.rs:123:18
[INFO] [stdout]   19:     0x5641e9c4637c - std::thread::Builder::spawn_unchecked::{{closure}}::{{closure}}::h422fac9a663741eb
[INFO] [stdout]                                at /rustc/62efba8a050c64249dab942951bb28f710208bc8/library/std/src/thread/mod.rs:484:17
[INFO] [stdout]   20:     0x5641e9c45430 - <core::panic::unwind_safe::AssertUnwindSafe<F> as core::ops::function::FnOnce<()>>::call_once::h7c390e6824a829e5
[INFO] [stdout]                                at /rustc/62efba8a050c64249dab942951bb28f710208bc8/library/core/src/panic/unwind_safe.rs:271:9
[INFO] [stdout]   21:     0x5641e9c578da - std::panicking::try::do_call::h885e3edf9113c734
[INFO] [stdout]                                at /rustc/62efba8a050c64249dab942951bb28f710208bc8/library/std/src/panicking.rs:406:40
[INFO] [stdout]   22:     0x5641e9c5845b - __rust_try
[INFO] [stdout]   23:     0x5641e9c57817 - std::panicking::try::hb750006558593579
[INFO] [stdout]                                at /rustc/62efba8a050c64249dab942951bb28f710208bc8/library/std/src/panicking.rs:370:19
[INFO] [stdout]   24:     0x5641e9c57770 - std::panic::catch_unwind::h786aaead2a53f119
[INFO] [stdout]                                at /rustc/62efba8a050c64249dab942951bb28f710208bc8/library/std/src/panic.rs:133:14
[INFO] [stdout]   25:     0x5641e9c4612d - std::thread::Builder::spawn_unchecked::{{closure}}::h1bbd5ef775af8fbf
[INFO] [stdout]                                at /rustc/62efba8a050c64249dab942951bb28f710208bc8/library/std/src/thread/mod.rs:483:30
[INFO] [stdout]   26:     0x5641e9c4bf0e - core::ops::function::FnOnce::call_once{{vtable.shim}}::he01b647baa17c314
[INFO] [stdout]                                at /rustc/62efba8a050c64249dab942951bb28f710208bc8/library/core/src/ops/function.rs:227:5
[INFO] [stdout]   27:     0x5641e9cf6c13 - <alloc::boxed::Box<F,A> as core::ops::function::FnOnce<Args>>::call_once::h771719d52c343434
[INFO] [stdout]                                at /rustc/62efba8a050c64249dab942951bb28f710208bc8/library/alloc/src/boxed.rs:1694:9
[INFO] [stdout]   28:     0x5641e9cf6c13 - <alloc::boxed::Box<F,A> as core::ops::function::FnOnce<Args>>::call_once::hf441746dfa4b0f57
[INFO] [stdout]                                at /rustc/62efba8a050c64249dab942951bb28f710208bc8/library/alloc/src/boxed.rs:1694:9
[INFO] [stdout]   29:     0x5641e9cf6c13 - std::sys::unix::thread::Thread::new::thread_start::hfd168f9d312b29ca
[INFO] [stdout]                                at /rustc/62efba8a050c64249dab942951bb28f710208bc8/library/std/src/sys/unix/thread.rs:106:17
[INFO] [stdout]   30:     0x7f1de6fbb609 - start_thread
[INFO] [stdout]   31:     0x7f1de6d8d293 - clone
[INFO] [stdout]   32:                0x0 - <unknown>
[INFO] [stdout] Error: receiving on a closed channel
[INFO] [stdout] 
[INFO] [stdout] Stack backtrace:
[INFO] [stdout]    0: anyhow::error::<impl core::convert::From<E> for anyhow::Error>::from
[INFO] [stdout]              at /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/anyhow-1.0.51/src/error.rs:530:25
[INFO] [stdout]    1: <core::result::Result<T,F> as core::ops::try_trait::FromResidual<core::result::Result<core::convert::Infallible,E>>>::from_residual
[INFO] [stdout]              at /rustc/62efba8a050c64249dab942951bb28f710208bc8/library/core/src/result.rs:1911:27
[INFO] [stdout]    2: mio_tcp_loop::TcpStreamThread::recv
[INFO] [stdout]              at ./src/lib.rs:95:22
[INFO] [stdout]    3: mio_tcp_loop::tests::it_works
[INFO] [stdout]              at ./src/lib.rs:460:22
[INFO] [stdout]    4: mio_tcp_loop::tests::it_works::{{closure}}
[INFO] [stdout]              at ./src/lib.rs:456:5
[INFO] [stdout]    5: core::ops::function::FnOnce::call_once
[INFO] [stdout]              at /rustc/62efba8a050c64249dab942951bb28f710208bc8/library/core/src/ops/function.rs:227:5
[INFO] [stdout]    6: core::ops::function::FnOnce::call_once
[INFO] [stdout]              at /rustc/62efba8a050c64249dab942951bb28f710208bc8/library/core/src/ops/function.rs:227:5
[INFO] [stdout]    7: test::__rust_begin_short_backtrace
[INFO] [stdout]              at /rustc/62efba8a050c64249dab942951bb28f710208bc8/library/test/src/lib.rs:585:5
[INFO] [stdout]    8: <alloc::boxed::Box<F,A> as core::ops::function::FnOnce<Args>>::call_once
[INFO] [stdout]              at /rustc/62efba8a050c64249dab942951bb28f710208bc8/library/alloc/src/boxed.rs:1694:9
[INFO] [stdout]    9: <core::panic::unwind_safe::AssertUnwindSafe<F> as core::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]              at /rustc/62efba8a050c64249dab942951bb28f710208bc8/library/core/src/panic/unwind_safe.rs:271:9
[INFO] [stdout]   10: std::panicking::try::do_call
[INFO] [stdout]              at /rustc/62efba8a050c64249dab942951bb28f710208bc8/library/std/src/panicking.rs:406:40
[INFO] [stdout]   11: std::panicking::try
[INFO] [stdout]              at /rustc/62efba8a050c64249dab942951bb28f710208bc8/library/std/src/panicking.rs:370:19
[INFO] [stdout]   12: std::panic::catch_unwind
[INFO] [stdout]              at /rustc/62efba8a050c64249dab942951bb28f710208bc8/library/std/src/panic.rs:133:14
[INFO] [stdout]   13: test::run_test_in_process
[INFO] [stdout]              at /rustc/62efba8a050c64249dab942951bb28f710208bc8/library/test/src/lib.rs:608:18
[INFO] [stdout]   14: test::run_test::run_test_inner::{{closure}}
[INFO] [stdout]              at /rustc/62efba8a050c64249dab942951bb28f710208bc8/library/test/src/lib.rs:500:39
[INFO] [stdout]   15: test::run_test::run_test_inner::{{closure}}
[INFO] [stdout]              at /rustc/62efba8a050c64249dab942951bb28f710208bc8/library/test/src/lib.rs:527:37
[INFO] [stdout]   16: std::sys_common::backtrace::__rust_begin_short_backtrace
[INFO] [stderr] error: test failed, to rerun pass '--lib'
[INFO] [stdout]              at /rustc/62efba8a050c64249dab942951bb28f710208bc8/library/std/src/sys_common/backtrace.rs:123:18
[INFO] [stdout]   17: std::thread::Builder::spawn_unchecked::{{closure}}::{{closure}}
[INFO] [stdout]              at /rustc/62efba8a050c64249dab942951bb28f710208bc8/library/std/src/thread/mod.rs:484:17
[INFO] [stdout]   18: <core::panic::unwind_safe::AssertUnwindSafe<F> as core::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]              at /rustc/62efba8a050c64249dab942951bb28f710208bc8/library/core/src/panic/unwind_safe.rs:271:9
[INFO] [stdout]   19: std::panicking::try::do_call
[INFO] [stdout]              at /rustc/62efba8a050c64249dab942951bb28f710208bc8/library/std/src/panicking.rs:406:40
[INFO] [stdout]   20: std::panicking::try
[INFO] [stdout]              at /rustc/62efba8a050c64249dab942951bb28f710208bc8/library/std/src/panicking.rs:370:19
[INFO] [stdout]   21: std::panic::catch_unwind
[INFO] [stdout]              at /rustc/62efba8a050c64249dab942951bb28f710208bc8/library/std/src/panic.rs:133:14
[INFO] [stdout]   22: std::thread::Builder::spawn_unchecked::{{closure}}
[INFO] [stdout]              at /rustc/62efba8a050c64249dab942951bb28f710208bc8/library/std/src/thread/mod.rs:483:30
[INFO] [stdout]   23: core::ops::function::FnOnce::call_once{{vtable.shim}}
[INFO] [stdout]              at /rustc/62efba8a050c64249dab942951bb28f710208bc8/library/core/src/ops/function.rs:227:5
[INFO] [stdout]   24: <alloc::boxed::Box<F,A> as core::ops::function::FnOnce<Args>>::call_once
[INFO] [stdout]              at /rustc/62efba8a050c64249dab942951bb28f710208bc8/library/alloc/src/boxed.rs:1694:9
[INFO] [stdout]   25: <alloc::boxed::Box<F,A> as core::ops::function::FnOnce<Args>>::call_once
[INFO] [stdout]              at /rustc/62efba8a050c64249dab942951bb28f710208bc8/library/alloc/src/boxed.rs:1694:9
[INFO] [stdout]   26: std::sys::unix::thread::Thread::new::thread_start
[INFO] [stdout]              at /rustc/62efba8a050c64249dab942951bb28f710208bc8/library/std/src/sys/unix/thread.rs:106:17
[INFO] [stdout]   27: start_thread
[INFO] [stdout]   28: clone
[INFO] [stdout] thread 'tests::it_works' panicked at 'assertion failed: `(left == right)`
[INFO] [stdout]   left: `1`,
[INFO] [stdout]  right: `0`: the test returned a termination value with a non-zero status code (1) which indicates a failure', /rustc/62efba8a050c64249dab942951bb28f710208bc8/library/test/src/lib.rs:195:5
[INFO] [stdout] stack backtrace:
[INFO] [stdout]    0:     0x5641e9cefe5c - std::backtrace_rs::backtrace::libunwind::trace::h793e05efd273d0f4
[INFO] [stdout]                                at /rustc/62efba8a050c64249dab942951bb28f710208bc8/library/std/src/../../backtrace/src/backtrace/libunwind.rs:93:5
[INFO] [stdout]    1:     0x5641e9cefe5c - std::backtrace_rs::backtrace::trace_unsynchronized::h640b7b86ff610c77
[INFO] [stdout]                                at /rustc/62efba8a050c64249dab942951bb28f710208bc8/library/std/src/../../backtrace/src/backtrace/mod.rs:66:5
[INFO] [stdout]    2:     0x5641e9cefe5c - std::sys_common::backtrace::_print_fmt::h362fa2a4f354f877
[INFO] [stdout]                                at /rustc/62efba8a050c64249dab942951bb28f710208bc8/library/std/src/sys_common/backtrace.rs:67:5
[INFO] [stdout]    3:     0x5641e9cefe5c - <std::sys_common::backtrace::_print::DisplayBacktrace as core::fmt::Display>::fmt::hf439e5ed84c74abd
[INFO] [stdout]                                at /rustc/62efba8a050c64249dab942951bb28f710208bc8/library/std/src/sys_common/backtrace.rs:46:22
[INFO] [stdout]    4:     0x5641e9d12dac - core::fmt::write::h72801a82c94e6ff1
[INFO] [stdout]                                at /rustc/62efba8a050c64249dab942951bb28f710208bc8/library/core/src/fmt/mod.rs:1149:17
[INFO] [stdout]    5:     0x5641e9cea7e5 - std::io::Write::write_fmt::h54337adeb3504c03
[INFO] [stdout]                                at /rustc/62efba8a050c64249dab942951bb28f710208bc8/library/std/src/io/mod.rs:1697:15
[INFO] [stdout]    6:     0x5641e9cf1900 - std::sys_common::backtrace::_print::hb29ddd998d02631c
[INFO] [stdout]                                at /rustc/62efba8a050c64249dab942951bb28f710208bc8/library/std/src/sys_common/backtrace.rs:49:5
[INFO] [stdout]    7:     0x5641e9cf1900 - std::sys_common::backtrace::print::h81965e3d7c90fbb6
[INFO] [stdout]                                at /rustc/62efba8a050c64249dab942951bb28f710208bc8/library/std/src/sys_common/backtrace.rs:36:9
[INFO] [stdout]    8:     0x5641e9cf1900 - std::panicking::default_hook::{{closure}}::h84db205ab6674b38
[INFO] [stdout]                                at /rustc/62efba8a050c64249dab942951bb28f710208bc8/library/std/src/panicking.rs:211:50
[INFO] [stdout]    9:     0x5641e9cf14e6 - std::panicking::default_hook::h1bf8bb4159936bca
[INFO] [stdout]                                at /rustc/62efba8a050c64249dab942951bb28f710208bc8/library/std/src/panicking.rs:225:9
[INFO] [stdout]   10:     0x5641e9cf1fb4 - std::panicking::rust_panic_with_hook::hf8e86850fbbd03b1
[INFO] [stdout]                                at /rustc/62efba8a050c64249dab942951bb28f710208bc8/library/std/src/panicking.rs:606:17
[INFO] [stdout]   11:     0x5641e9cf1a90 - std::panicking::begin_panic_handler::{{closure}}::h590a0d6060ff866e
[INFO] [stdout]                                at /rustc/62efba8a050c64249dab942951bb28f710208bc8/library/std/src/panicking.rs:502:13
[INFO] [stdout]   12:     0x5641e9cf0314 - std::sys_common::backtrace::__rust_end_short_backtrace::h260b8bd1c848a03c
[INFO] [stdout]                                at /rustc/62efba8a050c64249dab942951bb28f710208bc8/library/std/src/sys_common/backtrace.rs:139:18
[INFO] [stdout]   13:     0x5641e9cf19f9 - rust_begin_unwind
[INFO] [stdout]                                at /rustc/62efba8a050c64249dab942951bb28f710208bc8/library/std/src/panicking.rs:498:5
[INFO] [stdout]   14:     0x5641e9c3c8f1 - core::panicking::panic_fmt::h7b8580d81fcbbacd
[INFO] [stdout]                                at /rustc/62efba8a050c64249dab942951bb28f710208bc8/library/core/src/panicking.rs:106:14
[INFO] [stdout]   15:     0x5641e9d11a3e - core::panicking::assert_failed_inner::hc71171cfb6f4bc69
[INFO] [stdout]   16:     0x5641e9cbd91a - core::panicking::assert_failed::h458f6a16abf67d9f
[INFO] [stdout]                                at /rustc/62efba8a050c64249dab942951bb28f710208bc8/library/core/src/panicking.rs:144:5
[INFO] [stdout]   17:     0x5641e9c47210 - test::assert_test_result::h2c3dc258b9509bec
[INFO] [stdout]                                at /rustc/62efba8a050c64249dab942951bb28f710208bc8/library/test/src/lib.rs:195:5
[INFO] [stdout]   18:     0x5641e9c64c1d - mio_tcp_loop::tests::it_works::{{closure}}::hd0a607a8ea1fca17
[INFO] [stdout]                                at /opt/rustwide/workdir/src/lib.rs:456:5
[INFO] [stdout]   19:     0x5641e9c4c03e - core::ops::function::FnOnce::call_once::h618c243be38254a5
[INFO] [stdout]                                at /rustc/62efba8a050c64249dab942951bb28f710208bc8/library/core/src/ops/function.rs:227:5
[INFO] [stdout]   20:     0x5641e9ca0a43 - core::ops::function::FnOnce::call_once::h24a32b9da1a40fdb
[INFO] [stdout]                                at /rustc/62efba8a050c64249dab942951bb28f710208bc8/library/core/src/ops/function.rs:227:5
[INFO] [stdout]   21:     0x5641e9ca0a43 - test::__rust_begin_short_backtrace::h3c3a0492fb4a12eb
[INFO] [stdout]                                at /rustc/62efba8a050c64249dab942951bb28f710208bc8/library/test/src/lib.rs:585:5
[INFO] [stdout]   22:     0x5641e9c9f657 - <alloc::boxed::Box<F,A> as core::ops::function::FnOnce<Args>>::call_once::h9a8e38435f73d5e0
[INFO] [stdout]                                at /rustc/62efba8a050c64249dab942951bb28f710208bc8/library/alloc/src/boxed.rs:1694:9
[INFO] [stdout]   23:     0x5641e9c9f657 - <core::panic::unwind_safe::AssertUnwindSafe<F> as core::ops::function::FnOnce<()>>::call_once::hb23d7496a0e6d1b4
[INFO] [stdout]                                at /rustc/62efba8a050c64249dab942951bb28f710208bc8/library/core/src/panic/unwind_safe.rs:271:9
[INFO] [stdout]   24:     0x5641e9c9f657 - std::panicking::try::do_call::ha2bb9825b32d2cc2
[INFO] [stdout]                                at /rustc/62efba8a050c64249dab942951bb28f710208bc8/library/std/src/panicking.rs:406:40
[INFO] [stdout]   25:     0x5641e9c9f657 - std::panicking::try::hdc38a574bbebc53e
[INFO] [stdout]                                at /rustc/62efba8a050c64249dab942951bb28f710208bc8/library/std/src/panicking.rs:370:19
[INFO] [stdout]   26:     0x5641e9c9f657 - std::panic::catch_unwind::hc45ed246595c621c
[INFO] [stdout]                                at /rustc/62efba8a050c64249dab942951bb28f710208bc8/library/std/src/panic.rs:133:14
[INFO] [stdout]   27:     0x5641e9c9f657 - test::run_test_in_process::h4249138faaea8d54
[INFO] [stdout]                                at /rustc/62efba8a050c64249dab942951bb28f710208bc8/library/test/src/lib.rs:608:18
[INFO] [stdout]   28:     0x5641e9c9f657 - test::run_test::run_test_inner::{{closure}}::h3c1b37669f6e9fd7
[INFO] [stdout]                                at /rustc/62efba8a050c64249dab942951bb28f710208bc8/library/test/src/lib.rs:500:39
[INFO] [stdout]   29:     0x5641e9c6c8fe - test::run_test::run_test_inner::{{closure}}::h388760469edd5c24
[INFO] [stdout]                                at /rustc/62efba8a050c64249dab942951bb28f710208bc8/library/test/src/lib.rs:527:37
[INFO] [stdout]   30:     0x5641e9c6c8fe - std::sys_common::backtrace::__rust_begin_short_backtrace::hbbaecdcfad18643e
[INFO] [stdout]                                at /rustc/62efba8a050c64249dab942951bb28f710208bc8/library/std/src/sys_common/backtrace.rs:123:18
[INFO] [stdout]   31:     0x5641e9c71658 - std::thread::Builder::spawn_unchecked::{{closure}}::{{closure}}::h09cd3ca65896da91
[INFO] [stdout]                                at /rustc/62efba8a050c64249dab942951bb28f710208bc8/library/std/src/thread/mod.rs:484:17
[INFO] [stdout]   32:     0x5641e9c71658 - <core::panic::unwind_safe::AssertUnwindSafe<F> as core::ops::function::FnOnce<()>>::call_once::hc52dbb4f9088d18b
[INFO] [stdout]                                at /rustc/62efba8a050c64249dab942951bb28f710208bc8/library/core/src/panic/unwind_safe.rs:271:9
[INFO] [stdout]   33:     0x5641e9c71658 - std::panicking::try::do_call::h4485cfee22b11c08
[INFO] [stdout]                                at /rustc/62efba8a050c64249dab942951bb28f710208bc8/library/std/src/panicking.rs:406:40
[INFO] [stdout]   34:     0x5641e9c71658 - std::panicking::try::hb62aa8549e20c08b
[INFO] [stdout]                                at /rustc/62efba8a050c64249dab942951bb28f710208bc8/library/std/src/panicking.rs:370:19
[INFO] [stdout]   35:     0x5641e9c71658 - std::panic::catch_unwind::ha322c7a5bc666762
[INFO] [stdout]                                at /rustc/62efba8a050c64249dab942951bb28f710208bc8/library/std/src/panic.rs:133:14
[INFO] [stdout]   36:     0x5641e9c71658 - std::thread::Builder::spawn_unchecked::{{closure}}::h1076fc1398603b77
[INFO] [stdout]                                at /rustc/62efba8a050c64249dab942951bb28f710208bc8/library/std/src/thread/mod.rs:483:30
[INFO] [stdout]   37:     0x5641e9c71658 - core::ops::function::FnOnce::call_once{{vtable.shim}}::h911e510344167353
[INFO] [stdout]                                at /rustc/62efba8a050c64249dab942951bb28f710208bc8/library/core/src/ops/function.rs:227:5
[INFO] [stdout]   38:     0x5641e9cf6c13 - <alloc::boxed::Box<F,A> as core::ops::function::FnOnce<Args>>::call_once::h771719d52c343434
[INFO] [stdout]                                at /rustc/62efba8a050c64249dab942951bb28f710208bc8/library/alloc/src/boxed.rs:1694:9
[INFO] [stdout]   39:     0x5641e9cf6c13 - <alloc::boxed::Box<F,A> as core::ops::function::FnOnce<Args>>::call_once::hf441746dfa4b0f57
[INFO] [stdout]                                at /rustc/62efba8a050c64249dab942951bb28f710208bc8/library/alloc/src/boxed.rs:1694:9
[INFO] [stdout]   40:     0x5641e9cf6c13 - std::sys::unix::thread::Thread::new::thread_start::hfd168f9d312b29ca
[INFO] [stdout]                                at /rustc/62efba8a050c64249dab942951bb28f710208bc8/library/std/src/sys/unix/thread.rs:106:17
[INFO] [stdout]   41:     0x7f1de6fbb609 - start_thread
[INFO] [stdout]   42:     0x7f1de6d8d293 - clone
[INFO] [stdout]   43:                0x0 - <unknown>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout]     tests::it_works
[INFO] [stdout] 
[INFO] [stdout] test result: FAILED. 0 passed; 1 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.09s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "e28b6b0efab19da024007bed08454d2e98851bcd9cec86fc4f2f86031278ec21", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e28b6b0efab19da024007bed08454d2e98851bcd9cec86fc4f2f86031278ec21", kill_on_drop: false }`
[INFO] [stdout] e28b6b0efab19da024007bed08454d2e98851bcd9cec86fc4f2f86031278ec21