[INFO] cloning repository https://github.com/vjancik/tun_playground
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/vjancik/tun_playground" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fvjancik%2Ftun_playground", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fvjancik%2Ftun_playground'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 66a544ebbd291e6719c6f9520f8e6a96bc42b454
[INFO] testing vjancik/tun_playground against master#b70888601af92f6cdc0364abab3446e418b91d36 for pr-86479
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fvjancik%2Ftun_playground" "/workspace/builds/worker-11/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-11/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/vjancik/tun_playground on toolchain b70888601af92f6cdc0364abab3446e418b91d36
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+b70888601af92f6cdc0364abab3446e418b91d36" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] removed /workspace/builds/worker-11/source/.cargo/config.toml
[INFO] started tweaking git repo https://github.com/vjancik/tun_playground
[INFO] finished tweaking git repo https://github.com/vjancik/tun_playground
[INFO] tweaked toml for git repo https://github.com/vjancik/tun_playground written to /workspace/builds/worker-11/source/Cargo.toml
[INFO] crate git repo https://github.com/vjancik/tun_playground already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+b70888601af92f6cdc0364abab3446e418b91d36" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+b70888601af92f6cdc0364abab3446e418b91d36" "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] 410fe1c54c6adfb8847312c429d696a018ddf92c44f4369029e5059060308b40
[INFO] running `Command { std: "docker" "start" "-a" "410fe1c54c6adfb8847312c429d696a018ddf92c44f4369029e5059060308b40", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "410fe1c54c6adfb8847312c429d696a018ddf92c44f4369029e5059060308b40", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "410fe1c54c6adfb8847312c429d696a018ddf92c44f4369029e5059060308b40", kill_on_drop: false }`
[INFO] [stdout] 410fe1c54c6adfb8847312c429d696a018ddf92c44f4369029e5059060308b40
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+b70888601af92f6cdc0364abab3446e418b91d36" "build" "--frozen" "--message-format=json", 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] 28af0302c506f89df0d5f1275b223001e1e130c7d450bf973de700ff0e90d031
[INFO] running `Command { std: "docker" "start" "-a" "28af0302c506f89df0d5f1275b223001e1e130c7d450bf973de700ff0e90d031", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.81
[INFO] [stderr]    Compiling autocfg v1.0.1
[INFO] [stderr]    Compiling cfg-if v1.0.0
[INFO] [stderr]    Compiling proc-macro2 v1.0.24
[INFO] [stderr]    Compiling lazy_static v1.4.0
[INFO] [stderr]    Compiling unicode-xid v0.2.1
[INFO] [stderr]    Compiling syn v1.0.58
[INFO] [stderr]    Compiling serde v1.0.118
[INFO] [stderr]    Compiling byteorder v1.3.4
[INFO] [stderr]    Compiling log v0.4.11
[INFO] [stderr]    Compiling ryu v1.0.5
[INFO] [stderr]    Compiling cfg-if v0.1.10
[INFO] [stderr]    Compiling bitflags v1.2.1
[INFO] [stderr]    Compiling smallvec v1.6.0
[INFO] [stderr]    Compiling serde_json v1.0.61
[INFO] [stderr]    Compiling cc v1.0.66
[INFO] [stderr]    Compiling pin-project-lite v0.2.1
[INFO] [stderr]    Compiling unicode-width v0.1.8
[INFO] [stderr]    Compiling scopeguard v1.1.0
[INFO] [stderr]    Compiling anyhow v1.0.37
[INFO] [stderr]    Compiling strsim v0.8.0
[INFO] [stderr]    Compiling vec_map v0.8.2
[INFO] [stderr]    Compiling ansi_term v0.11.0
[INFO] [stderr]    Compiling bytes v1.0.0
[INFO] [stderr]    Compiling regex v1.4.2
[INFO] [stderr]    Compiling instant v0.1.9
[INFO] [stderr]    Compiling tracing-core v0.1.17
[INFO] [stderr]    Compiling sharded-slab v0.1.1
[INFO] [stderr]    Compiling thread_local v1.0.1
[INFO] [stderr]    Compiling lock_api v0.4.2
[INFO] [stderr]    Compiling textwrap v0.11.0
[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]    Compiling num-integer v0.1.44
[INFO] [stderr]    Compiling regex-automata v0.1.9
[INFO] [stderr]    Compiling tracing-log v0.1.1
[INFO] [stderr]    Compiling quote v1.0.8
[INFO] [stderr]    Compiling signal-hook v0.3.2
[INFO] [stderr]    Compiling matchers v0.0.1
[INFO] [stderr]    Compiling time v0.1.44
[INFO] [stderr]    Compiling parking_lot_core v0.8.2
[INFO] [stderr]    Compiling signal-hook-registry v1.3.0
[INFO] [stderr]    Compiling atty v0.2.14
[INFO] [stderr]    Compiling nix v0.19.1
[INFO] [stderr]    Compiling num_cpus v1.13.0
[INFO] [stderr]    Compiling socket2 v0.3.19
[INFO] [stderr]    Compiling mio v0.7.7
[INFO] [stderr]    Compiling clap v2.33.3
[INFO] [stderr]    Compiling parking_lot v0.11.1
[INFO] [stderr]    Compiling chrono v0.4.19
[INFO] [stderr]    Compiling tracing-serde v0.1.2
[INFO] [stderr]    Compiling tracing-attributes v0.1.11
[INFO] [stderr]    Compiling tracing v0.1.22
[INFO] [stderr]    Compiling tracing-subscriber v0.2.15
[INFO] [stderr]    Compiling tun_playground v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1m 23s
[INFO] running `Command { std: "docker" "inspect" "28af0302c506f89df0d5f1275b223001e1e130c7d450bf973de700ff0e90d031", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "28af0302c506f89df0d5f1275b223001e1e130c7d450bf973de700ff0e90d031", kill_on_drop: false }`
[INFO] [stdout] 28af0302c506f89df0d5f1275b223001e1e130c7d450bf973de700ff0e90d031
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+b70888601af92f6cdc0364abab3446e418b91d36" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 581666fde8cc23a646f7161fe9e4e44d2bdcce41feb764c47b1844029ea7edc5
[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" "581666fde8cc23a646f7161fe9e4e44d2bdcce41feb764c47b1844029ea7edc5", kill_on_drop: false }`
[INFO] [stderr]    Compiling tun_playground v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.90s
[INFO] running `Command { std: "docker" "inspect" "581666fde8cc23a646f7161fe9e4e44d2bdcce41feb764c47b1844029ea7edc5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "581666fde8cc23a646f7161fe9e4e44d2bdcce41feb764c47b1844029ea7edc5", kill_on_drop: false }`
[INFO] [stdout] 581666fde8cc23a646f7161fe9e4e44d2bdcce41feb764c47b1844029ea7edc5
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+b70888601af92f6cdc0364abab3446e418b91d36" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 9f03c8782ab23efdbdaa528e39db969d1d167e6890c6f1fcf05d04aeecdb7f82
[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" "9f03c8782ab23efdbdaa528e39db969d1d167e6890c6f1fcf05d04aeecdb7f82", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.08s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/tun_playground-d67032703814e3cc)
[INFO] [stdout] 
[INFO] [stdout] running 4 tests
[INFO] [stdout] test tun::tests::test_tunsetiff_ioctl_code ... ok
[INFO] [stdout] test tun::tests::test_multi_queue ... FAILED
[INFO] [stdout] test tun::tests::test_non_blocking ... FAILED
[INFO] [stdout] test tun::tests::test_mtu ... FAILED
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout] 
[INFO] [stdout] ---- tun::tests::test_multi_queue stdout ----
[INFO] [stdout] Error: ENOENT: No such file or directory
[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-1.0.37/src/error.rs:467:25
[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/b70888601af92f6cdc0364abab3446e418b91d36/library/core/src/result.rs:1897:27
[INFO] [stdout]    2: tun_playground::tun::Tun::new
[INFO] [stdout]              at ./src/tun.rs:100:18
[INFO] [stdout]    3: tun_playground::tun::tests::test_multi_queue
[INFO] [stdout]              at ./src/tun.rs:234:23
[INFO] [stdout]    4: tun_playground::tun::tests::test_multi_queue::{{closure}}
[INFO] [stdout]              at ./src/tun.rs:231:5
[INFO] [stdout]    5: core::ops::function::FnOnce::call_once
[INFO] [stdout]              at /rustc/b70888601af92f6cdc0364abab3446e418b91d36/library/core/src/ops/function.rs:227:5
[INFO] [stdout]    6: core::ops::function::FnOnce::call_once
[INFO] [stdout]              at /rustc/b70888601af92f6cdc0364abab3446e418b91d36/library/core/src/ops/function.rs:227:5
[INFO] [stdout]    7: test::__rust_begin_short_backtrace
[INFO] [stdout]              at /rustc/b70888601af92f6cdc0364abab3446e418b91d36/library/test/src/lib.rs:578:5
[INFO] [stdout]    8: <alloc::boxed::Box<F,A> as core::ops::function::FnOnce<Args>>::call_once
[INFO] [stdout]              at /rustc/b70888601af92f6cdc0364abab3446e418b91d36/library/alloc/src/boxed.rs:1572:9
[INFO] [stdout]    9: <std::panic::AssertUnwindSafe<F> as core::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]              at /rustc/b70888601af92f6cdc0364abab3446e418b91d36/library/std/src/panic.rs:347:9
[INFO] [stdout]   10: std::panicking::try::do_call
[INFO] [stdout]              at /rustc/b70888601af92f6cdc0364abab3446e418b91d36/library/std/src/panicking.rs:401:40
[INFO] [stdout]   11: std::panicking::try
[INFO] [stdout]              at /rustc/b70888601af92f6cdc0364abab3446e418b91d36/library/std/src/panicking.rs:365:19
[INFO] [stdout]   12: std::panic::catch_unwind
[INFO] [stdout]              at /rustc/b70888601af92f6cdc0364abab3446e418b91d36/library/std/src/panic.rs:434:14
[INFO] [stdout]   13: test::run_test_in_process
[INFO] [stdout]              at /rustc/b70888601af92f6cdc0364abab3446e418b91d36/library/test/src/lib.rs:601:18
[INFO] [stdout]   14: test::run_test::run_test_inner::{{closure}}
[INFO] [stdout]              at /rustc/b70888601af92f6cdc0364abab3446e418b91d36/library/test/src/lib.rs:493:39
[INFO] [stdout]   15: test::run_test::run_test_inner::{{closure}}
[INFO] [stdout]              at /rustc/b70888601af92f6cdc0364abab3446e418b91d36/library/test/src/lib.rs:520:37
[INFO] [stdout]   16: std::sys_common::backtrace::__rust_begin_short_backtrace
[INFO] [stdout]              at /rustc/b70888601af92f6cdc0364abab3446e418b91d36/library/std/src/sys_common/backtrace.rs:125:18
[INFO] [stdout]   17: std::thread::Builder::spawn_unchecked::{{closure}}::{{closure}}
[INFO] [stdout]              at /rustc/b70888601af92f6cdc0364abab3446e418b91d36/library/std/src/thread/mod.rs:476:17
[INFO] [stdout]   18: <std::panic::AssertUnwindSafe<F> as core::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]              at /rustc/b70888601af92f6cdc0364abab3446e418b91d36/library/std/src/panic.rs:347:9
[INFO] [stdout]   19: std::panicking::try::do_call
[INFO] [stdout]              at /rustc/b70888601af92f6cdc0364abab3446e418b91d36/library/std/src/panicking.rs:401:40
[INFO] [stdout]   20: std::panicking::try
[INFO] [stdout]              at /rustc/b70888601af92f6cdc0364abab3446e418b91d36/library/std/src/panicking.rs:365:19
[INFO] [stdout]   21: std::panic::catch_unwind
[INFO] [stdout]              at /rustc/b70888601af92f6cdc0364abab3446e418b91d36/library/std/src/panic.rs:434:14
[INFO] [stdout]   22: std::thread::Builder::spawn_unchecked::{{closure}}
[INFO] [stdout]              at /rustc/b70888601af92f6cdc0364abab3446e418b91d36/library/std/src/thread/mod.rs:475:30
[INFO] [stdout]   23: core::ops::function::FnOnce::call_once{{vtable.shim}}
[INFO] [stdout]              at /rustc/b70888601af92f6cdc0364abab3446e418b91d36/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/b70888601af92f6cdc0364abab3446e418b91d36/library/alloc/src/boxed.rs:1572:9
[INFO] [stdout]   25: <alloc::boxed::Box<F,A> as core::ops::function::FnOnce<Args>>::call_once
[INFO] [stdout]              at /rustc/b70888601af92f6cdc0364abab3446e418b91d36/library/alloc/src/boxed.rs:1572:9
[INFO] [stdout]   26: std::sys::unix::thread::Thread::new::thread_start
[INFO] [stdout]              at /rustc/b70888601af92f6cdc0364abab3446e418b91d36/library/std/src/sys/unix/thread.rs:91:17
[INFO] [stdout]   27: start_thread
[INFO] [stdout]   28: clone
[INFO] [stdout] thread 'tun::tests::test_multi_queue' 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/b70888601af92f6cdc0364abab3446e418b91d36/library/test/src/lib.rs:194:5
[INFO] [stdout] stack backtrace:
[INFO] [stdout]    0:     0x55f110b2c020 - std::backtrace_rs::backtrace::libunwind::trace::h99dbb39dca18857d
[INFO] [stdout]                                at /rustc/b70888601af92f6cdc0364abab3446e418b91d36/library/std/src/../../backtrace/src/backtrace/libunwind.rs:90:5
[INFO] [stdout]    1:     0x55f110b2c020 - std::backtrace_rs::backtrace::trace_unsynchronized::h832861927e9cfedf
[INFO] [stdout]                                at /rustc/b70888601af92f6cdc0364abab3446e418b91d36/library/std/src/../../backtrace/src/backtrace/mod.rs:66:5
[INFO] [stdout]    2:     0x55f110b2c020 - std::sys_common::backtrace::_print_fmt::h3d18154c77dcf310
[INFO] [stdout]                                at /rustc/b70888601af92f6cdc0364abab3446e418b91d36/library/std/src/sys_common/backtrace.rs:67:5
[INFO] [stdout]    3:     0x55f110b2c020 - <std::sys_common::backtrace::_print::DisplayBacktrace as core::fmt::Display>::fmt::he312f4ad5b9bb346
[INFO] [stdout]                                at /rustc/b70888601af92f6cdc0364abab3446e418b91d36/library/std/src/sys_common/backtrace.rs:46:22
[INFO] [stdout]    4:     0x55f110b4e86c - core::fmt::write::h9a6d9c74526a6c1b
[INFO] [stdout]                                at /rustc/b70888601af92f6cdc0364abab3446e418b91d36/library/core/src/fmt/mod.rs:1115:17
[INFO] [stdout]    5:     0x55f110b28e55 - std::io::Write::write_fmt::h65d36b96410d80d7
[INFO] [stdout]                                at /rustc/b70888601af92f6cdc0364abab3446e418b91d36/library/std/src/io/mod.rs:1665:15
[INFO] [stdout]    6:     0x55f110b2e19b - std::sys_common::backtrace::_print::h65d996766de40da4
[INFO] [stdout]                                at /rustc/b70888601af92f6cdc0364abab3446e418b91d36/library/std/src/sys_common/backtrace.rs:49:5
[INFO] [stdout]    7:     0x55f110b2e19b - std::sys_common::backtrace::print::h40df9727e635f303
[INFO] [stdout]                                at /rustc/b70888601af92f6cdc0364abab3446e418b91d36/library/std/src/sys_common/backtrace.rs:36:9
[INFO] [stdout]    8:     0x55f110b2e19b - std::panicking::default_hook::{{closure}}::hd2da4327dea91a51
[INFO] [stdout]                                at /rustc/b70888601af92f6cdc0364abab3446e418b91d36/library/std/src/panicking.rs:208:50
[INFO] [stdout]    9:     0x55f110b2dcac - std::panicking::default_hook::h3d55120ad6ada158
[INFO] [stdout]                                at /rustc/b70888601af92f6cdc0364abab3446e418b91d36/library/std/src/panicking.rs:222:9
[INFO] [stdout]   10:     0x55f110b2e864 - std::panicking::rust_panic_with_hook::hf85dd0bb545e3b55
[INFO] [stdout]                                at /rustc/b70888601af92f6cdc0364abab3446e418b91d36/library/std/src/panicking.rs:622:17
[INFO] [stdout]   11:     0x55f110b2e347 - std::panicking::begin_panic_handler::{{closure}}::h736ae969434da9fa
[INFO] [stdout]                                at /rustc/b70888601af92f6cdc0364abab3446e418b91d36/library/std/src/panicking.rs:519:13
[INFO] [stdout]   12:     0x55f110b2c4fc - std::sys_common::backtrace::__rust_end_short_backtrace::h6133bb80b1d6c3e0
[INFO] [stdout]                                at /rustc/b70888601af92f6cdc0364abab3446e418b91d36/library/std/src/sys_common/backtrace.rs:141:18
[INFO] [stdout]   13:     0x55f110b2e2a9 - rust_begin_unwind
[INFO] [stdout]                                at /rustc/b70888601af92f6cdc0364abab3446e418b91d36/library/std/src/panicking.rs:515:5
[INFO] [stdout]   14:     0x55f110aba3b1 - core::panicking::panic_fmt::hcf5f6d96e1dd7099
[INFO] [stdout]                                at /rustc/b70888601af92f6cdc0364abab3446e418b91d36/library/core/src/panicking.rs:92:14
[INFO] [stdout]   15:     0x55f110b4d26e - core::panicking::assert_failed_inner::h6ded2444c01d76f2
[INFO] [stdout]   16:     0x55f110afe52a - core::panicking::assert_failed::h8277931b5e221adc
[INFO] [stdout]                                at /rustc/b70888601af92f6cdc0364abab3446e418b91d36/library/core/src/panicking.rs:117:5
[INFO] [stdout]   17:     0x55f110abc111 - test::assert_test_result::h9c024bfd730fb329
[INFO] [stdout]                                at /rustc/b70888601af92f6cdc0364abab3446e418b91d36/library/test/src/lib.rs:194:5
[INFO] [stdout]   18:     0x55f110abfcfd - tun_playground::tun::tests::test_multi_queue::{{closure}}::hb9dfe28ab57f5e05
[INFO] [stdout]                                at /opt/rustwide/workdir/src/tun.rs:231:5
[INFO] [stdout]   19:     0x55f110ac09be - core::ops::function::FnOnce::call_once::he8689a6c9b407f90
[INFO] [stdout]                                at /rustc/b70888601af92f6cdc0364abab3446e418b91d36/library/core/src/ops/function.rs:227:5
[INFO] [stdout]   20:     0x55f110af4873 - core::ops::function::FnOnce::call_once::h227fa683a5745bd3
[INFO] [stdout]                                at /rustc/b70888601af92f6cdc0364abab3446e418b91d36/library/core/src/ops/function.rs:227:5
[INFO] [stdout]   21:     0x55f110af4873 - test::__rust_begin_short_backtrace::h3a193bd570ada00a
[INFO] [stdout]                                at /rustc/b70888601af92f6cdc0364abab3446e418b91d36/library/test/src/lib.rs:578:5
[INFO] [stdout]   22:     0x55f110af32e8 - <alloc::boxed::Box<F,A> as core::ops::function::FnOnce<Args>>::call_once::h262d2f411717179a
[INFO] [stdout]                                at /rustc/b70888601af92f6cdc0364abab3446e418b91d36/library/alloc/src/boxed.rs:1572:9
[INFO] [stdout]   23:     0x55f110af32e8 - <std::panic::AssertUnwindSafe<F> as core::ops::function::FnOnce<()>>::call_once::hfec00caec3e52a7b
[INFO] [stdout]                                at /rustc/b70888601af92f6cdc0364abab3446e418b91d36/library/std/src/panic.rs:347:9
[INFO] [stdout]   24:     0x55f110af32e8 - std::panicking::try::do_call::ha5f42e76ffda569d
[INFO] [stdout]                                at /rustc/b70888601af92f6cdc0364abab3446e418b91d36/library/std/src/panicking.rs:401:40
[INFO] [stdout]   25:     0x55f110af32e8 - std::panicking::try::h53f36df0935b9500
[INFO] [stdout]                                at /rustc/b70888601af92f6cdc0364abab3446e418b91d36/library/std/src/panicking.rs:365:19
[INFO] [stdout]   26:     0x55f110af32e8 - std::panic::catch_unwind::h5a497f74b0ce006f
[INFO] [stdout]                                at /rustc/b70888601af92f6cdc0364abab3446e418b91d36/library/std/src/panic.rs:434:14
[INFO] [stdout]   27:     0x55f110af32e8 - test::run_test_in_process::hab0aead337f48a88
[INFO] [stdout]                                at /rustc/b70888601af92f6cdc0364abab3446e418b91d36/library/test/src/lib.rs:601:18
[INFO] [stdout]   28:     0x55f110af32e8 - test::run_test::run_test_inner::{{closure}}::h632c383164d4cba2
[INFO] [stdout]                                at /rustc/b70888601af92f6cdc0364abab3446e418b91d36/library/test/src/lib.rs:493:39
[INFO] [stdout]   29:     0x55f110ac1a6d - test::run_test::run_test_inner::{{closure}}::h7c4b3612891a4b58
[INFO] [stdout]                                at /rustc/b70888601af92f6cdc0364abab3446e418b91d36/library/test/src/lib.rs:520:37
[INFO] [stdout]   30:     0x55f110ac1a6d - std::sys_common::backtrace::__rust_begin_short_backtrace::habf7d8a08419d00e
[INFO] [stdout]                                at /rustc/b70888601af92f6cdc0364abab3446e418b91d36/library/std/src/sys_common/backtrace.rs:125:18
[INFO] [stdout]   31:     0x55f110ac6198 - std::thread::Builder::spawn_unchecked::{{closure}}::{{closure}}::h3acba502e2068204
[INFO] [stdout]                                at /rustc/b70888601af92f6cdc0364abab3446e418b91d36/library/std/src/thread/mod.rs:476:17
[INFO] [stdout]   32:     0x55f110ac6198 - <std::panic::AssertUnwindSafe<F> as core::ops::function::FnOnce<()>>::call_once::h526ef819c1964a35
[INFO] [stdout]                                at /rustc/b70888601af92f6cdc0364abab3446e418b91d36/library/std/src/panic.rs:347:9
[INFO] [stdout]   33:     0x55f110ac6198 - std::panicking::try::do_call::hc0b5663d6373cec8
[INFO] [stdout]                                at /rustc/b70888601af92f6cdc0364abab3446e418b91d36/library/std/src/panicking.rs:401:40
[INFO] [stdout]   34:     0x55f110ac6198 - std::panicking::try::ha9007ede9d35dcd6
[INFO] [stdout]                                at /rustc/b70888601af92f6cdc0364abab3446e418b91d36/library/std/src/panicking.rs:365:19
[INFO] [stdout]   35:     0x55f110ac6198 - std::panic::catch_unwind::hf60d56329ebbb81c
[INFO] [stdout]                                at /rustc/b70888601af92f6cdc0364abab3446e418b91d36/library/std/src/panic.rs:434:14
[INFO] [stdout]   36:     0x55f110ac6198 - std::thread::Builder::spawn_unchecked::{{closure}}::hb1722d498f4ce777
[INFO] [stdout]                                at /rustc/b70888601af92f6cdc0364abab3446e418b91d36/library/std/src/thread/mod.rs:475:30
[INFO] [stdout]   37:     0x55f110ac6198 - core::ops::function::FnOnce::call_once{{vtable.shim}}::h15eb01325730c962
[INFO] [stdout]                                at /rustc/b70888601af92f6cdc0364abab3446e418b91d36/library/core/src/ops/function.rs:227:5
[INFO] [stdout]   38:     0x55f110b333d7 - <alloc::boxed::Box<F,A> as core::ops::function::FnOnce<Args>>::call_once::h09f167e08fc945ff
[INFO] [stdout]                                at /rustc/b70888601af92f6cdc0364abab3446e418b91d36/library/alloc/src/boxed.rs:1572:9
[INFO] [stdout]   39:     0x55f110b333d7 - <alloc::boxed::Box<F,A> as core::ops::function::FnOnce<Args>>::call_once::hf814fe85eeb118e0
[INFO] [stdout]                                at /rustc/b70888601af92f6cdc0364abab3446e418b91d36/library/alloc/src/boxed.rs:1572:9
[INFO] [stdout]   40:     0x55f110b333d7 - std::sys::unix::thread::Thread::new::thread_start::hb71b17934c5f5e68
[INFO] [stdout]                                at /rustc/b70888601af92f6cdc0364abab3446e418b91d36/library/std/src/sys/unix/thread.rs:91:17
[INFO] [stdout]   41:     0x7fd7f91eb609 - start_thread
[INFO] [stdout]   42:     0x7fd7f8fbb293 - clone
[INFO] [stdout]   43:                0x0 - <unknown>
[INFO] [stdout] 
[INFO] [stdout] ---- tun::tests::test_non_blocking stdout ----
[INFO] [stdout] Error: ENOENT: No such file or directory
[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-1.0.37/src/error.rs:467:25
[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/b70888601af92f6cdc0364abab3446e418b91d36/library/core/src/result.rs:1897:27
[INFO] [stdout]    2: tun_playground::tun::Tun::new
[INFO] [stdout]              at ./src/tun.rs:100:18
[INFO] [stdout]    3: tun_playground::tun::tests::test_non_blocking
[INFO] [stdout]              at ./src/tun.rs:216:27
[INFO] [stdout]    4: tun_playground::tun::tests::test_non_blocking::{{closure}}
[INFO] [stdout]              at ./src/tun.rs:215:5
[INFO] [stdout]    5: core::ops::function::FnOnce::call_once
[INFO] [stdout]              at /rustc/b70888601af92f6cdc0364abab3446e418b91d36/library/core/src/ops/function.rs:227:5
[INFO] [stdout]    6: core::ops::function::FnOnce::call_once
[INFO] [stdout]              at /rustc/b70888601af92f6cdc0364abab3446e418b91d36/library/core/src/ops/function.rs:227:5
[INFO] [stdout]    7: test::__rust_begin_short_backtrace
[INFO] [stdout]              at /rustc/b70888601af92f6cdc0364abab3446e418b91d36/library/test/src/lib.rs:578:5
[INFO] [stdout]    8: <alloc::boxed::Box<F,A> as core::ops::function::FnOnce<Args>>::call_once
[INFO] [stdout]              at /rustc/b70888601af92f6cdc0364abab3446e418b91d36/library/alloc/src/boxed.rs:1572:9
[INFO] [stdout]    9: <std::panic::AssertUnwindSafe<F> as core::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]              at /rustc/b70888601af92f6cdc0364abab3446e418b91d36/library/std/src/panic.rs:347:9
[INFO] [stdout]   10: std::panicking::try::do_call
[INFO] [stdout]              at /rustc/b70888601af92f6cdc0364abab3446e418b91d36/library/std/src/panicking.rs:401:40
[INFO] [stdout]   11: std::panicking::try
[INFO] [stdout]              at /rustc/b70888601af92f6cdc0364abab3446e418b91d36/library/std/src/panicking.rs:365:19
[INFO] [stdout]   12: std::panic::catch_unwind
[INFO] [stdout]              at /rustc/b70888601af92f6cdc0364abab3446e418b91d36/library/std/src/panic.rs:434:14
[INFO] [stdout]   13: test::run_test_in_process
[INFO] [stdout]              at /rustc/b70888601af92f6cdc0364abab3446e418b91d36/library/test/src/lib.rs:601:18
[INFO] [stdout]   14: test::run_test::run_test_inner::{{closure}}
[INFO] [stdout]              at /rustc/b70888601af92f6cdc0364abab3446e418b91d36/library/test/src/lib.rs:493:39
[INFO] [stdout]   15: test::run_test::run_test_inner::{{closure}}
[INFO] [stdout]              at /rustc/b70888601af92f6cdc0364abab3446e418b91d36/library/test/src/lib.rs:520:37
[INFO] [stdout]   16: std::sys_common::backtrace::__rust_begin_short_backtrace
[INFO] [stdout]              at /rustc/b70888601af92f6cdc0364abab3446e418b91d36/library/std/src/sys_common/backtrace.rs:125:18
[INFO] [stdout]   17: std::thread::Builder::spawn_unchecked::{{closure}}::{{closure}}
[INFO] [stdout]              at /rustc/b70888601af92f6cdc0364abab3446e418b91d36/library/std/src/thread/mod.rs:476:17
[INFO] [stdout]   18: <std::panic::AssertUnwindSafe<F> as core::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]              at /rustc/b70888601af92f6cdc0364abab3446e418b91d36/library/std/src/panic.rs:347:9
[INFO] [stdout]   19: std::panicking::try::do_call
[INFO] [stdout]              at /rustc/b70888601af92f6cdc0364abab3446e418b91d36/library/std/src/panicking.rs:401:40
[INFO] [stdout]   20: std::panicking::try
[INFO] [stdout]              at /rustc/b70888601af92f6cdc0364abab3446e418b91d36/library/std/src/panicking.rs:365:19
[INFO] [stdout]   21: std::panic::catch_unwind
[INFO] [stdout]              at /rustc/b70888601af92f6cdc0364abab3446e418b91d36/library/std/src/panic.rs:434:14
[INFO] [stdout]   22: std::thread::Builder::spawn_unchecked::{{closure}}
[INFO] [stdout]              at /rustc/b70888601af92f6cdc0364abab3446e418b91d36/library/std/src/thread/mod.rs:475:30
[INFO] [stdout]   23: core::ops::function::FnOnce::call_once{{vtable.shim}}
[INFO] [stdout]              at /rustc/b70888601af92f6cdc0364abab3446e418b91d36/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/b70888601af92f6cdc0364abab3446e418b91d36/library/alloc/src/boxed.rs:1572:9
[INFO] [stdout]   25: <alloc::boxed::Box<F,A> as core::ops::function::FnOnce<Args>>::call_once
[INFO] [stdout]              at /rustc/b70888601af92f6cdc0364abab3446e418b91d36/library/alloc/src/boxed.rs:1572:9
[INFO] [stdout]   26: std::sys::unix::thread::Thread::new::thread_start
[INFO] [stdout]              at /rustc/b70888601af92f6cdc0364abab3446e418b91d36/library/std/src/sys/unix/thread.rs:91:17
[INFO] [stdout]   27: start_thread
[INFO] [stdout]   28: clone
[INFO] [stdout] thread 'tun::tests::test_non_blocking' 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/b70888601af92f6cdc0364abab3446e418b91d36/library/test/src/lib.rs:194:5
[INFO] [stdout] stack backtrace:
[INFO] [stdout]    0:     0x55f110b2c020 - std::backtrace_rs::backtrace::libunwind::trace::h99dbb39dca18857d
[INFO] [stdout]                                at /rustc/b70888601af92f6cdc0364abab3446e418b91d36/library/std/src/../../backtrace/src/backtrace/libunwind.rs:90:5
[INFO] [stdout]    1:     0x55f110b2c020 - std::backtrace_rs::backtrace::trace_unsynchronized::h832861927e9cfedf
[INFO] [stdout]                                at /rustc/b70888601af92f6cdc0364abab3446e418b91d36/library/std/src/../../backtrace/src/backtrace/mod.rs:66:5
[INFO] [stdout]    2:     0x55f110b2c020 - std::sys_common::backtrace::_print_fmt::h3d18154c77dcf310
[INFO] [stdout]                                at /rustc/b70888601af92f6cdc0364abab3446e418b91d36/library/std/src/sys_common/backtrace.rs:67:5
[INFO] [stdout]    3:     0x55f110b2c020 - <std::sys_common::backtrace::_print::DisplayBacktrace as core::fmt::Display>::fmt::he312f4ad5b9bb346
[INFO] [stdout]                                at /rustc/b70888601af92f6cdc0364abab3446e418b91d36/library/std/src/sys_common/backtrace.rs:46:22
[INFO] [stdout]    4:     0x55f110b4e86c - core::fmt::write::h9a6d9c74526a6c1b
[INFO] [stdout]                                at /rustc/b70888601af92f6cdc0364abab3446e418b91d36/library/core/src/fmt/mod.rs:1115:17
[INFO] [stdout]    5:     0x55f110b28e55 - std::io::Write::write_fmt::h65d36b96410d80d7
[INFO] [stdout]                                at /rustc/b70888601af92f6cdc0364abab3446e418b91d36/library/std/src/io/mod.rs:1665:15
[INFO] [stdout]    6:     0x55f110b2e19b - std::sys_common::backtrace::_print::h65d996766de40da4
[INFO] [stdout]                                at /rustc/b70888601af92f6cdc0364abab3446e418b91d36/library/std/src/sys_common/backtrace.rs:49:5
[INFO] [stdout]    7:     0x55f110b2e19b - std::sys_common::backtrace::print::h40df9727e635f303
[INFO] [stdout]                                at /rustc/b70888601af92f6cdc0364abab3446e418b91d36/library/std/src/sys_common/backtrace.rs:36:9
[INFO] [stdout]    8:     0x55f110b2e19b - std::panicking::default_hook::{{closure}}::hd2da4327dea91a51
[INFO] [stdout]                                at /rustc/b70888601af92f6cdc0364abab3446e418b91d36/library/std/src/panicking.rs:208:50
[INFO] [stdout]    9:     0x55f110b2dcac - std::panicking::default_hook::h3d55120ad6ada158
[INFO] [stdout]                                at /rustc/b70888601af92f6cdc0364abab3446e418b91d36/library/std/src/panicking.rs:222:9
[INFO] [stdout]   10:     0x55f110b2e864 - std::panicking::rust_panic_with_hook::hf85dd0bb545e3b55
[INFO] [stdout]                                at /rustc/b70888601af92f6cdc0364abab3446e418b91d36/library/std/src/panicking.rs:622:17
[INFO] [stdout]   11:     0x55f110b2e347 - std::panicking::begin_panic_handler::{{closure}}::h736ae969434da9fa
[INFO] [stdout]                                at /rustc/b70888601af92f6cdc0364abab3446e418b91d36/library/std/src/panicking.rs:519:13
[INFO] [stdout]   12:     0x55f110b2c4fc - std::sys_common::backtrace::__rust_end_short_backtrace::h6133bb80b1d6c3e0
[INFO] [stdout]                                at /rustc/b70888601af92f6cdc0364abab3446e418b91d36/library/std/src/sys_common/backtrace.rs:141:18
[INFO] [stdout]   13:     0x55f110b2e2a9 - rust_begin_unwind
[INFO] [stdout]                                at /rustc/b70888601af92f6cdc0364abab3446e418b91d36/library/std/src/panicking.rs:515:5
[INFO] [stdout]   14:     0x55f110aba3b1 - core::panicking::panic_fmt::hcf5f6d96e1dd7099
[INFO] [stdout]                                at /rustc/b70888601af92f6cdc0364abab3446e418b91d36/library/core/src/panicking.rs:92:14
[INFO] [stdout]   15:     0x55f110b4d26e - core::panicking::assert_failed_inner::h6ded2444c01d76f2
[INFO] [stdout]   16:     0x55f110afe52a - core::panicking::assert_failed::h8277931b5e221adc
[INFO] [stdout]                                at /rustc/b70888601af92f6cdc0364abab3446e418b91d36/library/core/src/panicking.rs:117:5
[INFO] [stdout]   17:     0x55f110abc111 - test::assert_test_result::h9c024bfd730fb329
[INFO] [stdout]                                at /rustc/b70888601af92f6cdc0364abab3446e418b91d36/library/test/src/lib.rs:194:5
[INFO] [stdout]   18:     0x55f110abf6cd - tun_playground::tun::tests::test_non_blocking::{{closure}}::he27ba2d39998f781
[INFO] [stdout]                                at /opt/rustwide/workdir/src/tun.rs:215:5
[INFO] [stdout]   19:     0x55f110ac08ae - core::ops::function::FnOnce::call_once::h8d9dd0a42d0e99d3
[INFO] [stdout]                                at /rustc/b70888601af92f6cdc0364abab3446e418b91d36/library/core/src/ops/function.rs:227:5
[INFO] [stdout]   20:     0x55f110af4873 - core::ops::function::FnOnce::call_once::h227fa683a5745bd3
[INFO] [stdout]                                at /rustc/b70888601af92f6cdc0364abab3446e418b91d36/library/core/src/ops/function.rs:227:5
[INFO] [stdout]   21:     0x55f110af4873 - test::__rust_begin_short_backtrace::h3a193bd570ada00a
[INFO] [stdout]                                at /rustc/b70888601af92f6cdc0364abab3446e418b91d36/library/test/src/lib.rs:578:5
[INFO] [stdout]   22:     0x55f110af32e8 - <alloc::boxed::Box<F,A> as core::ops::function::FnOnce<Args>>::call_once::h262d2f411717179a
[INFO] [stdout]                                at /rustc/b70888601af92f6cdc0364abab3446e418b91d36/library/alloc/src/boxed.rs:1572:9
[INFO] [stdout]   23:     0x55f110af32e8 - <std::panic::AssertUnwindSafe<F> as core::ops::function::FnOnce<()>>::call_once::hfec00caec3e52a7b
[INFO] [stdout]                                at /rustc/b70888601af92f6cdc0364abab3446e418b91d36/library/std/src/panic.rs:347:9
[INFO] [stdout]   24:     0x55f110af32e8 - std::panicking::try::do_call::ha5f42e76ffda569d
[INFO] [stdout]                                at /rustc/b70888601af92f6cdc0364abab3446e418b91d36/library/std/src/panicking.rs:401:40
[INFO] [stdout]   25:     0x55f110af32e8 - std::panicking::try::h53f36df0935b9500
[INFO] [stdout]                                at /rustc/b70888601af92f6cdc0364abab3446e418b91d36/library/std/src/panicking.rs:365:19
[INFO] [stdout]   26:     0x55f110af32e8 - std::panic::catch_unwind::h5a497f74b0ce006f
[INFO] [stdout]                                at /rustc/b70888601af92f6cdc0364abab3446e418b91d36/library/std/src/panic.rs:434:14
[INFO] [stdout]   27:     0x55f110af32e8 - test::run_test_in_process::hab0aead337f48a88
[INFO] [stdout]                                at /rustc/b70888601af92f6cdc0364abab3446e418b91d36/library/test/src/lib.rs:601:18
[INFO] [stdout]   28:     0x55f110af32e8 - test::run_test::run_test_inner::{{closure}}::h632c383164d4cba2
[INFO] [stdout]                                at /rustc/b70888601af92f6cdc0364abab3446e418b91d36/library/test/src/lib.rs:493:39
[INFO] [stdout]   29:     0x55f110ac1a6d - test::run_test::run_test_inner::{{closure}}::h7c4b3612891a4b58
[INFO] [stdout]                                at /rustc/b70888601af92f6cdc0364abab3446e418b91d36/library/test/src/lib.rs:520:37
[INFO] [stdout]   30:     0x55f110ac1a6d - std::sys_common::backtrace::__rust_begin_short_backtrace::habf7d8a08419d00e
[INFO] [stdout]                                at /rustc/b70888601af92f6cdc0364abab3446e418b91d36/library/std/src/sys_common/backtrace.rs:125:18
[INFO] [stdout]   31:     0x55f110ac6198 - std::thread::Builder::spawn_unchecked::{{closure}}::{{closure}}::h3acba502e2068204
[INFO] [stdout]                                at /rustc/b70888601af92f6cdc0364abab3446e418b91d36/library/std/src/thread/mod.rs:476:17
[INFO] [stdout]   32:     0x55f110ac6198 - <std::panic::AssertUnwindSafe<F> as core::ops::function::FnOnce<()>>::call_once::h526ef819c1964a35
[INFO] [stdout]                                at /rustc/b70888601af92f6cdc0364abab3446e418b91d36/library/std/src/panic.rs:347:9
[INFO] [stdout]   33:     0x55f110ac6198 - std::panicking::try::do_call::hc0b5663d6373cec8
[INFO] [stdout]                                at /rustc/b70888601af92f6cdc0364abab3446e418b91d36/library/std/src/panicking.rs:401:40
[INFO] [stdout]   34:     0x55f110ac6198 - std::panicking::try::ha9007ede9d35dcd6
[INFO] [stdout]                                at /rustc/b70888601af92f6cdc0364abab3446e418b91d36/library/std/src/panicking.rs:365:19
[INFO] [stdout]   35:     0x55f110ac6198 - std::panic::catch_unwind::hf60d56329ebbb81c
[INFO] [stdout]                                at /rustc/b70888601af92f6cdc0364abab3446e418b91d36/library/std/src/panic.rs:434:14
[INFO] [stdout]   36:     0x55f110ac6198 - std::thread::Builder::spawn_unchecked::{{closure}}::hb1722d498f4ce777
[INFO] [stdout]                                at /rustc/b70888601af92f6cdc0364abab3446e418b91d36/library/std/src/thread/mod.rs:475:30
[INFO] [stdout]   37:     0x55f110ac6198 - core::ops::function::FnOnce::call_once{{vtable.shim}}::h15eb01325730c962
[INFO] [stdout]                                at /rustc/b70888601af92f6cdc0364abab3446e418b91d36/library/core/src/ops/function.rs:227:5
[INFO] [stdout]   38:     0x55f110b333d7 - <alloc::boxed::Box<F,A> as core::ops::function::FnOnce<Args>>::call_once::h09f167e08fc945ff
[INFO] [stdout]                                at /rustc/b70888601af92f6cdc0364abab3446e418b91d36/library/alloc/src/boxed.rs:1572:9
[INFO] [stdout]   39:     0x55f110b333d7 - <alloc::boxed::Box<F,A> as core::ops::function::FnOnce<Args>>::call_once::hf814fe85eeb118e0
[INFO] [stdout]                                at /rustc/b70888601af92f6cdc0364abab3446e418b91d36/library/alloc/src/boxed.rs:1572:9
[INFO] [stdout]   40:     0x55f110b333d7 - std::sys::unix::thread::Thread::new::thread_start::hb71b17934c5f5e68
[INFO] [stdout]                                at /rustc/b70888601af92f6cdc0364abab3446e418b91d36/library/std/src/sys/unix/thread.rs:91:17
[INFO] [stdout]   41:     0x7fd7f91eb609 - start_thread
[INFO] [stdout]   42:     0x7fd7f8fbb293 - clone
[INFO] [stdout]   43:                0x0 - <unknown>
[INFO] [stdout] 
[INFO] [stdout] ---- tun::tests::test_mtu stdout ----
[INFO] [stdout] Error: ENOENT: No such file or directory
[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-1.0.37/src/error.rs:467:25
[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/b70888601af92f6cdc0364abab3446e418b91d36/library/core/src/result.rs:1897:27
[INFO] [stdout]    2: tun_playground::tun::Tun::new
[INFO] [stdout]              at ./src/tun.rs:100:18
[INFO] [stdout]    3: tun_playground::tun::tests::test_mtu
[INFO] [stdout]              at ./src/tun.rs:241:23
[INFO] [stdout]    4: tun_playground::tun::tests::test_mtu::{{closure}}
[INFO] [stdout]              at ./src/tun.rs:240:5
[INFO] [stdout]    5: core::ops::function::FnOnce::call_once
[INFO] [stdout]              at /rustc/b70888601af92f6cdc0364abab3446e418b91d36/library/core/src/ops/function.rs:227:5
[INFO] [stdout]    6: core::ops::function::FnOnce::call_once
[INFO] [stdout]              at /rustc/b70888601af92f6cdc0364abab3446e418b91d36/library/core/src/ops/function.rs:227:5
[INFO] [stdout]    7: test::__rust_begin_short_backtrace
[INFO] [stdout]              at /rustc/b70888601af92f6cdc0364abab3446e418b91d36/library/test/src/lib.rs:578:5
[INFO] [stdout]    8: <alloc::boxed::Box<F,A> as core::ops::function::FnOnce<Args>>::call_once
[INFO] [stdout]              at /rustc/b70888601af92f6cdc0364abab3446e418b91d36/library/alloc/src/boxed.rs:1572:9
[INFO] [stdout]    9: <std::panic::AssertUnwindSafe<F> as core::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]              at /rustc/b70888601af92f6cdc0364abab3446e418b91d36/library/std/src/panic.rs:347:9
[INFO] [stdout]   10: std::panicking::try::do_call
[INFO] [stdout]              at /rustc/b70888601af92f6cdc0364abab3446e418b91d36/library/std/src/panicking.rs:401:40
[INFO] [stdout]   11: std::panicking::try
[INFO] [stdout]              at /rustc/b70888601af92f6cdc0364abab3446e418b91d36/library/std/src/panicking.rs:365:19
[INFO] [stdout]   12: std::panic::catch_unwind
[INFO] [stdout]              at /rustc/b70888601af92f6cdc0364abab3446e418b91d36/library/std/src/panic.rs:434:14
[INFO] [stdout]   13: test::run_test_in_process
[INFO] [stdout]              at /rustc/b70888601af92f6cdc0364abab3446e418b91d36/library/test/src/lib.rs:601:18
[INFO] [stdout]   14: test::run_test::run_test_inner::{{closure}}
[INFO] [stdout]              at /rustc/b70888601af92f6cdc0364abab3446e418b91d36/library/test/src/lib.rs:493:39
[INFO] [stdout]   15: test::run_test::run_test_inner::{{closure}}
[INFO] [stdout]              at /rustc/b70888601af92f6cdc0364abab3446e418b91d36/library/test/src/lib.rs:520:37
[INFO] [stdout]   16: std::sys_common::backtrace::__rust_begin_short_backtrace
[INFO] [stdout]              at /rustc/b70888601af92f6cdc0364abab3446e418b91d36/library/std/src/sys_common/backtrace.rs:125:18
[INFO] [stdout]   17: std::thread::Builder::spawn_unchecked::{{closure}}::{{closure}}
[INFO] [stdout]              at /rustc/b70888601af92f6cdc0364abab3446e418b91d36/library/std/src/thread/mod.rs:476:17
[INFO] [stdout]   18: <std::panic::AssertUnwindSafe<F> as core::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]              at /rustc/b70888601af92f6cdc0364abab3446e418b91d36/library/std/src/panic.rs:347:9
[INFO] [stdout]   19: std::panicking::try::do_call
[INFO] [stdout]              at /rustc/b70888601af92f6cdc0364abab3446e418b91d36/library/std/src/panicking.rs:401:40
[INFO] [stdout]   20: std::panicking::try
[INFO] [stdout]              at /rustc/b70888601af92f6cdc0364abab3446e418b91d36/library/std/src/panicking.rs:365:19
[INFO] [stdout]   21: std::panic::catch_unwind
[INFO] [stdout]              at /rustc/b70888601af92f6cdc0364abab3446e418b91d36/library/std/src/panic.rs:434:14
[INFO] [stdout]   22: std::thread::Builder::spawn_unchecked::{{closure}}
[INFO] [stdout]              at /rustc/b70888601af92f6cdc0364abab3446e418b91d36/library/std/src/thread/mod.rs:475:30
[INFO] [stdout]   23: core::ops::function::FnOnce::call_once{{vtable.shim}}
[INFO] [stdout]              at /rustc/b70888601af92f6cdc0364abab3446e418b91d36/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/b70888601af92f6cdc0364abab3446e418b91d36/library/alloc/src/boxed.rs:1572:9
[INFO] [stdout]   25: <alloc::boxed::Box<F,A> as core::ops::function::FnOnce<Args>>::call_once
[INFO] [stdout]              at /rustc/b70888601af92f6cdc0364abab3446e418b91d36/library/alloc/src/boxed.rs:1572:9
[INFO] [stdout]   26: std::sys::unix::thread::Thread::new::thread_start
[INFO] [stdout]              at /rustc/b70888601af92f6cdc0364abab3446e418b91d36/library/std/src/sys/unix/thread.rs:91:17
[INFO] [stdout]   27: start_thread
[INFO] [stdout]   28: clone
[INFO] [stdout] thread 'tun::tests::test_mtu' 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/b70888601af92f6cdc0364abab3446e418b91d36/library/test/src/lib.rs:194:5
[INFO] [stdout] stack backtrace:
[INFO] [stdout]    0:     0x55f110b2c020 - std::backtrace_rs::backtrace::libunwind::trace::h99dbb39dca18857d
[INFO] [stdout]                                at /rustc/b70888601af92f6cdc0364abab3446e418b91d36/library/std/src/../../backtrace/src/backtrace/libunwind.rs:90:5
[INFO] [stdout]    1:     0x55f110b2c020 - std::backtrace_rs::backtrace::trace_unsynchronized::h832861927e9cfedf
[INFO] [stdout]                                at /rustc/b70888601af92f6cdc0364abab3446e418b91d36/library/std/src/../../backtrace/src/backtrace/mod.rs:66:5
[INFO] [stdout]    2:     0x55f110b2c020 - std::sys_common::backtrace::_print_fmt::h3d18154c77dcf310
[INFO] [stdout]                                at /rustc/b70888601af92f6cdc0364abab3446e418b91d36/library/std/src/sys_common/backtrace.rs:67:5
[INFO] [stdout]    3:     0x55f110b2c020 - <std::sys_common::backtrace::_print::DisplayBacktrace as core::fmt::Display>::fmt::he312f4ad5b9bb346
[INFO] [stdout]                                at /rustc/b70888601af92f6cdc0364abab3446e418b91d36/library/std/src/sys_common/backtrace.rs:46:22
[INFO] [stdout]    4:     0x55f110b4e86c - core::fmt::write::h9a6d9c74526a6c1b
[INFO] [stdout]                                at /rustc/b70888601af92f6cdc0364abab3446e418b91d36/library/core/src/fmt/mod.rs:1115:17
[INFO] [stdout]    5:     0x55f110b28e55 - std::io::Write::write_fmt::h65d36b96410d80d7
[INFO] [stdout]                                at /rustc/b70888601af92f6cdc0364abab3446e418b91d36/library/std/src/io/mod.rs:1665:15
[INFO] [stdout]    6:     0x55f110b2e19b - std::sys_common::backtrace::_print::h65d996766de40da4
[INFO] [stdout]                                at /rustc/b70888601af92f6cdc0364abab3446e418b91d36/library/std/src/sys_common/backtrace.rs:49:5
[INFO] [stdout]    7:     0x55f110b2e19b - std::sys_common::backtrace::print::h40df9727e635f303
[INFO] [stdout]                                at /rustc/b70888601af92f6cdc0364abab3446e418b91d36/library/std/src/sys_common/backtrace.rs:36:9
[INFO] [stdout]    8:     0x55f110b2e19b - std::panicking::default_hook::{{closure}}::hd2da4327dea91a51
[INFO] [stdout]                                at /rustc/b70888601af92f6cdc0364abab3446e418b91d36/library/std/src/panicking.rs:208:50
[INFO] [stdout]    9:     0x55f110b2dcac - std::panicking::default_hook::h3d55120ad6ada158
[INFO] [stdout]                                at /rustc/b70888601af92f6cdc0364abab3446e418b91d36/library/std/src/panicking.rs:222:9
[INFO] [stdout]   10:     0x55f110b2e864 - std::panicking::rust_panic_with_hook::hf85dd0bb545e3b55
[INFO] [stdout]                                at /rustc/b70888601af92f6cdc0364abab3446e418b91d36/library/std/src/panicking.rs:622:17
[INFO] [stdout]   11:     0x55f110b2e347 - std::panicking::begin_panic_handler::{{closure}}::h736ae969434da9fa
[INFO] [stdout]                                at /rustc/b70888601af92f6cdc0364abab3446e418b91d36/library/std/src/panicking.rs:519:13
[INFO] [stdout]   12:     0x55f110b2c4fc - std::sys_common::backtrace::__rust_end_short_backtrace::h6133bb80b1d6c3e0
[INFO] [stdout]                                at /rustc/b70888601af92f6cdc0364abab3446e418b91d36/library/std/src/sys_common/backtrace.rs:141:18
[INFO] [stdout]   13:     0x55f110b2e2a9 - rust_begin_unwind
[INFO] [stdout]                                at /rustc/b70888601af92f6cdc0364abab3446e418b91d36/library/std/src/panicking.rs:515:5
[INFO] [stdout]   14:     0x55f110aba3b1 - core::panicking::panic_fmt::hcf5f6d96e1dd7099
[INFO] [stdout]                                at /rustc/b70888601af92f6cdc0364abab3446e418b91d36/library/core/src/panicking.rs:92:14
[INFO] [stdout]   15:     0x55f110b4d26e - core::panicking::assert_failed_inner::h6ded2444c01d76f2
[INFO] [stdout]   16:     0x55f110afe52a - core::panicking::assert_failed::h8277931b5e221adc
[INFO] [stdout]                                at /rustc/b70888601af92f6cdc0364abab3446e418b91d36/library/core/src/panicking.rs:117:5
[INFO] [stdout]   17:     0x55f110abc111 - test::assert_test_result::h9c024bfd730fb329
[INFO] [stdout]                                at /rustc/b70888601af92f6cdc0364abab3446e418b91d36/library/test/src/lib.rs:194:5
[INFO] [stdout]   18:     0x55f110abff9d - tun_playground::tun::tests::test_mtu::{{closure}}::h76a38918115297c6
[INFO] [stdout]                                at /opt/rustwide/workdir/src/tun.rs:240:5
[INFO] [stdout]   19:     0x55f110ac092e - core::ops::function::FnOnce::call_once::hb6f7b99d7fc53ed7
[INFO] [stdout]                                at /rustc/b70888601af92f6cdc0364abab3446e418b91d36/library/core/src/ops/function.rs:227:5
[INFO] [stdout]   20:     0x55f110af4873 - core::ops::function::FnOnce::call_once::h227fa683a5745bd3
[INFO] [stdout]                                at /rustc/b70888601af92f6cdc0364abab3446e418b91d36/library/core/src/ops/function.rs:227:5
[INFO] [stdout]   21:     0x55f110af4873 - test::__rust_begin_short_backtrace::h3a193bd570ada00a
[INFO] [stdout]                                at /rustc/b70888601af92f6cdc0364abab3446e418b91d36/library/test/src/lib.rs:578:5
[INFO] [stdout]   22:     0x55f110af32e8 - <alloc::boxed::Box<F,A> as core::ops::function::FnOnce<Args>>::call_once::h262d2f411717179a
[INFO] [stdout]                                at /rustc/b70888601af92f6cdc0364abab3446e418b91d36/library/alloc/src/boxed.rs:1572:9
[INFO] [stdout]   23:     0x55f110af32e8 - <std::panic::AssertUnwindSafe<F> as core::ops::function::FnOnce<()>>::call_once::hfec00caec3e52a7b
[INFO] [stdout]                                at /rustc/b70888601af92f6cdc0364abab3446e418b91d36/library/std/src/panic.rs:347:9
[INFO] [stdout]   24:     0x55f110af32e8 - std::panicking::try::do_call::ha5f42e76ffda569d
[INFO] [stdout]                                at /rustc/b70888601af92f6cdc0364abab3446e418b91d36/library/std/src/panicking.rs:401:40
[INFO] [stdout]   25:     0x55f110af32e8 - std::panicking::try::h53f36df0935b9500
[INFO] [stdout]                                at /rustc/b70888601af92f6cdc0364abab3446e418b91d36/library/std/src/panicking.rs:365:19
[INFO] [stdout]   26:     0x55f110af32e8 - std::panic::catch_unwind::h5a497f74b0ce006f
[INFO] [stdout]                                at /rustc/b70888601af92f6cdc0364abab3446e418b91d36/library/std/src/panic.rs:434:14
[INFO] [stdout]   27:     0x55f110af32e8 - test::run_test_in_process::hab0aead337f48a88
[INFO] [stdout]                                at /rustc/b70888601af92f6cdc0364abab3446e418b91d36/library/test/src/lib.rs:601:18
[INFO] [stdout]   28:     0x55f110af32e8 - test::run_test::run_test_inner::{{closure}}::h632c383164d4cba2
[INFO] [stdout]                                at /rustc/b70888601af92f6cdc0364abab3446e418b91d36/library/test/src/lib.rs:493:39
[INFO] [stdout]   29:     0x55f110ac1a6d - test::run_test::run_test_inner::{{closure}}::h7c4b3612891a4b58
[INFO] [stdout]                                at /rustc/b70888601af92f6cdc0364abab3446e418b91d36/library/test/src/lib.rs:520:37
[INFO] [stdout]   30:     0x55f110ac1a6d - std::sys_common::backtrace::__rust_begin_short_backtrace::habf7d8a08419d00e
[INFO] [stdout]                                at /rustc/b70888601af92f6cdc0364abab3446e418b91d36/library/std/src/sys_common/backtrace.rs:125:18
[INFO] [stdout]   31:     0x55f110ac6198 - std::thread::Builder::spawn_unchecked::{{closure}}::{{closure}}::h3acba502e2068204
[INFO] [stdout]                                at /rustc/b70888601af92f6cdc0364abab3446e418b91d36/library/std/src/thread/mod.rs:476:17
[INFO] [stdout]   32:     0x55f110ac6198 - <std::panic::AssertUnwindSafe<F> as core::ops::function::FnOnce<()>>::call_once::h526ef819c1964a35
[INFO] [stdout]                                at /rustc/b70888601af92f6cdc0364abab3446e418b91d36/library/std/src/panic.rs:347:9
[INFO] [stdout]   33:     0x55f110ac6198 - std::panicking::try::do_call::hc0b5663d6373cec8
[INFO] [stdout]                                at /rustc/b70888601af92f6cdc0364abab3446e418b91d36/library/std/src/panicking.rs:401:40
[INFO] [stdout]   34:     0x55f110ac6198 - std::panicking::try::ha9007ede9d35dcd6
[INFO] [stdout]                                at /rustc/b70888601af92f6cdc0364abab3446e418b91d36/library/std/src/panicking.rs:365:19
[INFO] [stdout]   35:     0x55f110ac6198 - std::panic::catch_unwind::hf60d56329ebbb81c
[INFO] [stdout]                                at /rustc/b70888601af92f6cdc0364abab3446e418b91d36/library/std/src/panic.rs:434:14
[INFO] [stdout]   36:     0x55f110ac6198 - std::thread::Builder::spawn_unchecked::{{closure}}::hb1722d498f4ce777
[INFO] [stdout]                                at /rustc/b70888601af92f6cdc0364abab3446e418b91d36/library/std/src/thread/mod.rs:475:30
[INFO] [stdout]   37:     0x55f110ac6198 - core::ops::function::FnOnce::call_once{{vtable.shim}}::h15eb01325730c962
[INFO] [stdout]                                at /rustc/b70888601af92f6cdc0364abab3446e418b91d36/library/core/src/ops/function.rs:227:5
[INFO] [stdout]   38:     0x55f110b333d7 - <alloc::boxed::Box<F,A> as core::ops::function::FnOnce<Args>>::call_once::h09f167e08fc945ff
[INFO] [stdout]                                at /rustc/b70888601af92f6cdc0364abab3446e418b91d36/library/alloc/src/boxed.rs:1572:9
[INFO] [stdout]   39:     0x55f110b333d7 - <alloc::boxed::Box<F,A> as core::ops::function::FnOnce<Args>>::call_once::hf814fe85eeb118e0
[INFO] [stdout]                                at /rustc/b70888601af92f6cdc0364abab3446e418b91d36/library/alloc/src/boxed.rs:1572:9
[INFO] [stdout]   40:     0x55f110b333d7 - std::sys::unix::thread::Thread::new::thread_start::hb71b17934c5f5e68
[INFO] [stdout]                                at /rustc/b70888601af92f6cdc0364abab3446e418b91d36/library/std/src/sys/unix/thread.rs:91:17
[INFO] [stdout]   41:     0x7fd7f91eb609 - start_thread
[INFO] [stdout]   42:     0x7fd7f8fbb293 - clone
[INFO] [stdout]   43:                0x0 - <unknown>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout]     tun::tests::test_mtu
[INFO] [stdout]     tun::tests::test_multi_queue
[INFO] [stdout]     tun::tests::test_non_blocking
[INFO] [stdout] 
[INFO] [stdout] test result: FAILED. 1 passed; 3 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.08s
[INFO] [stdout] 
[INFO] [stderr] error: test failed, to rerun pass '--bin tun_playground'
[INFO] running `Command { std: "docker" "inspect" "9f03c8782ab23efdbdaa528e39db969d1d167e6890c6f1fcf05d04aeecdb7f82", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9f03c8782ab23efdbdaa528e39db969d1d167e6890c6f1fcf05d04aeecdb7f82", kill_on_drop: false }`
[INFO] [stdout] 9f03c8782ab23efdbdaa528e39db969d1d167e6890c6f1fcf05d04aeecdb7f82