[INFO] fetching crate i3wsr 2.0.1...
[INFO] testing i3wsr-2.0.1 against try#d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2 for pr-86479
[INFO] extracting crate i3wsr 2.0.1 into /workspace/builds/worker-6/source
[INFO] validating manifest of crates.io crate i3wsr 2.0.1 on toolchain d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate i3wsr 2.0.1
[INFO] finished tweaking crates.io crate i3wsr 2.0.1
[INFO] tweaked toml for crates.io crate i3wsr 2.0.1 written to /workspace/builds/worker-6/source/Cargo.toml
[INFO] crate crates.io crate i3wsr 2.0.1 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded toml v0.5.6
[INFO] [stderr]   Downloaded encoding_index_tests v0.1.4
[INFO] [stderr]   Downloaded encoding-index-korean v1.20141219.5
[INFO] [stderr]   Downloaded encoding-index-japanese v1.20141219.5
[INFO] [stderr]   Downloaded encoding-index-singlebyte v1.20141219.5
[INFO] [stderr]   Downloaded encoding-index-tradchinese v1.20141219.5
[INFO] [stderr]   Downloaded exitfailure v0.5.1
[INFO] [stderr]   Downloaded serde v1.0.111
[INFO] [stderr]   Downloaded backtrace v0.3.48
[INFO] [stderr]   Downloaded syn v1.0.30
[INFO] [stderr]   Downloaded quote v1.0.6
[INFO] [stderr]   Downloaded xcb v0.9.0
[INFO] [stderr]   Downloaded serde_derive v1.0.111
[INFO] [stderr]   Downloaded encoding-index-simpchinese v1.20141219.5
[INFO] [stderr]   Downloaded encoding v0.2.33
[INFO] [stderr]   Downloaded addr2line v0.12.1
[INFO] [stderr]   Downloaded object v0.19.0
[INFO] [stderr]   Downloaded serde_json v1.0.53
[INFO] [stderr]   Downloaded i3ipc v0.10.1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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" "+d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] f3bd97b155c251896490c21a63534809446647ce450414d10ad1e9f3df1a64b2
[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" "f3bd97b155c251896490c21a63534809446647ce450414d10ad1e9f3df1a64b2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "f3bd97b155c251896490c21a63534809446647ce450414d10ad1e9f3df1a64b2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f3bd97b155c251896490c21a63534809446647ce450414d10ad1e9f3df1a64b2", kill_on_drop: false }`
[INFO] [stdout] f3bd97b155c251896490c21a63534809446647ce450414d10ad1e9f3df1a64b2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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" "+d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 233d2f9edd506dc262eae021e5549683fdaf5b7eb12171a17d6b18663707d3f4
[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" "233d2f9edd506dc262eae021e5549683fdaf5b7eb12171a17d6b18663707d3f4", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.18
[INFO] [stderr]    Compiling syn v1.0.30
[INFO] [stderr]    Compiling encoding_index_tests v0.1.4
[INFO] [stderr]    Compiling cfg-if v0.1.10
[INFO] [stderr]    Compiling serde v1.0.111
[INFO] [stderr]    Compiling memchr v2.3.4
[INFO] [stderr]    Compiling byteorder v1.3.4
[INFO] [stderr]    Compiling rustc-demangle v0.1.16
[INFO] [stderr]    Compiling unicode-width v0.1.7
[INFO] [stderr]    Compiling itoa v0.4.5
[INFO] [stderr]    Compiling either v1.5.3
[INFO] [stderr]    Compiling regex-syntax v0.6.23
[INFO] [stderr]    Compiling lazy_static v1.4.0
[INFO] [stderr]    Compiling xcb v0.9.0
[INFO] [stderr]    Compiling log v0.4.8
[INFO] [stderr]    Compiling encoding-index-tradchinese v1.20141219.5
[INFO] [stderr]    Compiling encoding-index-simpchinese v1.20141219.5
[INFO] [stderr]    Compiling encoding-index-singlebyte v1.20141219.5
[INFO] [stderr]    Compiling encoding-index-korean v1.20141219.5
[INFO] [stderr]    Compiling encoding-index-japanese v1.20141219.5
[INFO] [stderr]    Compiling textwrap v0.11.0
[INFO] [stderr]    Compiling itertools v0.9.0
[INFO] [stderr]    Compiling backtrace v0.3.48
[INFO] [stderr]    Compiling clap v2.33.1
[INFO] [stderr]    Compiling aho-corasick v0.7.15
[INFO] [stderr]    Compiling encoding v0.2.33
[INFO] [stderr]    Compiling quote v1.0.6
[INFO] [stderr]    Compiling regex v1.4.5
[INFO] [stderr]    Compiling synstructure v0.12.3
[INFO] [stderr]    Compiling serde_derive v1.0.111
[INFO] [stderr]    Compiling failure_derive v0.1.8
[INFO] [stderr]    Compiling failure v0.1.8
[INFO] [stderr]    Compiling exitfailure v0.5.1
[INFO] [stderr]    Compiling serde_json v1.0.53
[INFO] [stderr]    Compiling toml v0.5.6
[INFO] [stderr]    Compiling i3ipc v0.10.1
[INFO] [stderr]    Compiling i3wsr v2.0.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: derive helper attribute is used before it is introduced
[INFO] [stdout]   --> src/config.rs:12:3
[INFO] [stdout]    |
[INFO] [stdout] 12 | #[serde(default)]
[INFO] [stdout]    |   ^^^^^
[INFO] [stdout] 13 | #[derive(Deserialize)]
[INFO] [stdout]    |          ----------- the attribute is introduced here
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(legacy_derive_helpers)]` on by default
[INFO] [stdout]    = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout]    = note: for more information, see issue #79202 <https://github.com/rust-lang/rust/issues/79202>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 42.32s
[INFO] running `Command { std: "docker" "inspect" "233d2f9edd506dc262eae021e5549683fdaf5b7eb12171a17d6b18663707d3f4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "233d2f9edd506dc262eae021e5549683fdaf5b7eb12171a17d6b18663707d3f4", kill_on_drop: false }`
[INFO] [stdout] 233d2f9edd506dc262eae021e5549683fdaf5b7eb12171a17d6b18663707d3f4
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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" "+d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 9d08c1f12dbb2b11e7013e4a211615f3b32b722496eae84bd30acfea062de3e5
[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" "9d08c1f12dbb2b11e7013e4a211615f3b32b722496eae84bd30acfea062de3e5", kill_on_drop: false }`
[INFO] [stderr]    Compiling i3wsr v2.0.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: derive helper attribute is used before it is introduced
[INFO] [stdout]   --> src/config.rs:12:3
[INFO] [stdout]    |
[INFO] [stdout] 12 | #[serde(default)]
[INFO] [stdout]    |   ^^^^^
[INFO] [stdout] 13 | #[derive(Deserialize)]
[INFO] [stdout]    |          ----------- the attribute is introduced here
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(legacy_derive_helpers)]` on by default
[INFO] [stdout]    = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout]    = note: for more information, see issue #79202 <https://github.com/rust-lang/rust/issues/79202>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: derive helper attribute is used before it is introduced
[INFO] [stdout]   --> src/config.rs:12:3
[INFO] [stdout]    |
[INFO] [stdout] 12 | #[serde(default)]
[INFO] [stdout]    |   ^^^^^
[INFO] [stdout] 13 | #[derive(Deserialize)]
[INFO] [stdout]    |          ----------- the attribute is introduced here
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(legacy_derive_helpers)]` on by default
[INFO] [stdout]    = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout]    = note: for more information, see issue #79202 <https://github.com/rust-lang/rust/issues/79202>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 3.68s
[INFO] running `Command { std: "docker" "inspect" "9d08c1f12dbb2b11e7013e4a211615f3b32b722496eae84bd30acfea062de3e5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9d08c1f12dbb2b11e7013e4a211615f3b32b722496eae84bd30acfea062de3e5", kill_on_drop: false }`
[INFO] [stdout] 9d08c1f12dbb2b11e7013e4a211615f3b32b722496eae84bd30acfea062de3e5
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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" "+d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2" "test" "--frozen", 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] fa11f4c281ccd50d25f6456b2103939cf4aedcb9ba677aa08fab7fd88a0265f1
[INFO] running `Command { std: "docker" "start" "-a" "fa11f4c281ccd50d25f6456b2103939cf4aedcb9ba677aa08fab7fd88a0265f1", kill_on_drop: false }`
[INFO] [stdout] 
[INFO] [stderr] warning: derive helper attribute is used before it is introduced
[INFO] [stdout] running 4 tests
[INFO] [stderr]   --> src/config.rs:12:3
[INFO] [stderr]    |
[INFO] [stderr] 12 | #[serde(default)]
[INFO] [stderr]    |   ^^^^^
[INFO] [stderr] 13 | #[derive(Deserialize)]
[INFO] [stderr]    |          ----------- the attribute is introduced here
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(legacy_derive_helpers)]` on by default
[INFO] [stderr]    = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stderr]    = note: for more information, see issue #79202 <https://github.com/rust-lang/rust/issues/79202>
[INFO] [stderr] 
[INFO] [stderr] warning: `i3wsr` (lib) generated 1 warning
[INFO] [stderr] warning: `i3wsr` (lib test) generated 1 warning (1 duplicate)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.08s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/i3wsr-7bc52dfa749080b7)
[INFO] [stdout] test tests::get_ids ... FAILED
[INFO] [stdout] test tests::connection_tree ... FAILED
[INFO] [stdout] test tests::get_title ... FAILED
[INFO] [stdout] test tests::collect_titles ... FAILED
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout] 
[INFO] [stdout] ---- tests::get_ids stdout ----
[INFO] [stdout] Error: GetSocketPathError(Os { code: 2, kind: NotFound, message: "No such file or directory" })
[INFO] [stdout] 
[INFO] [stdout]    0: failure::backtrace::internal::InternalBacktrace::new
[INFO] [stdout]              at /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/failure-0.1.8/src/backtrace/internal.rs:46
[INFO] [stdout]    1: failure::backtrace::Backtrace::new
[INFO] [stdout]              at /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/failure-0.1.8/src/backtrace/mod.rs:121
[INFO] [stdout]    2: <failure::error::error_impl::ErrorImpl as core::convert::From<F>>::from
[INFO] [stdout]              at /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/failure-0.1.8/src/error/error_impl.rs:19
[INFO] [stdout]    3: <failure::error::Error as core::convert::From<F>>::from
[INFO] [stdout]              at /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/failure-0.1.8/src/error/mod.rs:36
[INFO] [stdout]    4: <core::result::Result<T,F> as core::ops::try_trait::FromResidual<core::result::Result<core::convert::Infallible,E>>>::from_residual
[INFO] [stdout]              at /rustc/d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2/library/core/src/result.rs:1897
[INFO] [stdout]    5: i3wsr::tests::get_ids
[INFO] [stdout]              at src/lib.rs:427
[INFO] [stdout]    6: i3wsr::tests::get_ids::{{closure}}
[INFO] [stdout]              at src/lib.rs:425
[INFO] [stdout]    7: core::ops::function::FnOnce::call_once
[INFO] [stdout]              at /rustc/d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2/library/core/src/ops/function.rs:227
[INFO] [stdout]    8: core::ops::function::FnOnce::call_once
[INFO] [stdout]              at /rustc/d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2/library/core/src/ops/function.rs:227
[INFO] [stdout]       test::__rust_begin_short_backtrace
[INFO] [stdout]              at /rustc/d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2/library/test/src/lib.rs:578
[INFO] [stdout]    9: <alloc::boxed::Box<F,A> as core::ops::function::FnOnce<Args>>::call_once
[INFO] [stdout]              at /rustc/d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2/library/alloc/src/boxed.rs:1572
[INFO] [stdout]       <std::panic::AssertUnwindSafe<F> as core::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]              at /rustc/d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2/library/std/src/panic.rs:347
[INFO] [stdout]       std::panicking::try::do_call
[INFO] [stdout]              at /rustc/d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2/library/std/src/panicking.rs:401
[INFO] [stdout]       std::panicking::try
[INFO] [stdout]              at /rustc/d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2/library/std/src/panicking.rs:365
[INFO] [stdout]       std::panic::catch_unwind
[INFO] [stdout]              at /rustc/d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2/library/std/src/panic.rs:434
[INFO] [stdout]       test::run_test_in_process
[INFO] [stdout]              at /rustc/d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2/library/test/src/lib.rs:601
[INFO] [stdout]       test::run_test::run_test_inner::{{closure}}
[INFO] [stdout]              at /rustc/d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2/library/test/src/lib.rs:493
[INFO] [stdout]   10: test::run_test::run_test_inner::{{closure}}
[INFO] [stdout]              at /rustc/d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2/library/test/src/lib.rs:520
[INFO] [stdout]       std::sys_common::backtrace::__rust_begin_short_backtrace
[INFO] [stdout]              at /rustc/d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2/library/std/src/sys_common/backtrace.rs:125
[INFO] [stdout]   11: std::thread::Builder::spawn_unchecked::{{closure}}::{{closure}}
[INFO] [stdout]              at /rustc/d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2/library/std/src/thread/mod.rs:476
[INFO] [stdout]       <std::panic::AssertUnwindSafe<F> as core::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]              at /rustc/d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2/library/std/src/panic.rs:347
[INFO] [stdout]       std::panicking::try::do_call
[INFO] [stdout]              at /rustc/d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2/library/std/src/panicking.rs:401
[INFO] [stdout]       std::panicking::try
[INFO] [stdout]              at /rustc/d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2/library/std/src/panicking.rs:365
[INFO] [stdout]       std::panic::catch_unwind
[INFO] [stdout]              at /rustc/d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2/library/std/src/panic.rs:434
[INFO] [stdout]       std::thread::Builder::spawn_unchecked::{{closure}}
[INFO] [stdout]              at /rustc/d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2/library/std/src/thread/mod.rs:475
[INFO] [stdout]       core::ops::function::FnOnce::call_once{{vtable.shim}}
[INFO] [stdout]              at /rustc/d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2/library/core/src/ops/function.rs:227
[INFO] [stdout]   12: <alloc::boxed::Box<F,A> as core::ops::function::FnOnce<Args>>::call_once
[INFO] [stdout]              at /rustc/d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2/library/alloc/src/boxed.rs:1572
[INFO] [stdout]       <alloc::boxed::Box<F,A> as core::ops::function::FnOnce<Args>>::call_once
[INFO] [stdout]              at /rustc/d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2/library/alloc/src/boxed.rs:1572
[INFO] [stdout]       std::sys::unix::thread::Thread::new::thread_start
[INFO] [stdout]              at /rustc/d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2/library/std/src/sys/unix/thread.rs:91
[INFO] [stdout]   13: start_thread
[INFO] [stdout]   14: clone
[INFO] [stdout] 
[INFO] [stdout] thread 'tests::get_ids' 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/d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2/library/test/src/lib.rs:194:5
[INFO] [stdout] stack backtrace:
[INFO] [stdout]    0:     0x560270d407c0 - std::backtrace_rs::backtrace::libunwind::trace::h99dbb39dca18857d
[INFO] [stdout]                                at /rustc/d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2/library/std/src/../../backtrace/src/backtrace/libunwind.rs:90:5
[INFO] [stdout]    1:     0x560270d407c0 - std::backtrace_rs::backtrace::trace_unsynchronized::h832861927e9cfedf
[INFO] [stdout]                                at /rustc/d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2/library/std/src/../../backtrace/src/backtrace/mod.rs:66:5
[INFO] [stdout]    2:     0x560270d407c0 - std::sys_common::backtrace::_print_fmt::h3d18154c77dcf310
[INFO] [stdout]                                at /rustc/d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2/library/std/src/sys_common/backtrace.rs:67:5
[INFO] [stdout]    3:     0x560270d407c0 - <std::sys_common::backtrace::_print::DisplayBacktrace as core::fmt::Display>::fmt::he312f4ad5b9bb346
[INFO] [stdout]                                at /rustc/d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2/library/std/src/sys_common/backtrace.rs:46:22
[INFO] [stdout]    4:     0x560270d63a7c - core::fmt::write::h9a6d9c74526a6c1b
[INFO] [stdout]                                at /rustc/d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2/library/core/src/fmt/mod.rs:1115:17
[INFO] [stdout]    5:     0x560270d3d465 - std::io::Write::write_fmt::h65d36b96410d80d7
[INFO] [stdout]                                at /rustc/d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2/library/std/src/io/mod.rs:1665:15
[INFO] [stdout]    6:     0x560270d4295b - std::sys_common::backtrace::_print::h65d996766de40da4
[INFO] [stdout]                                at /rustc/d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2/library/std/src/sys_common/backtrace.rs:49:5
[INFO] [stdout]    7:     0x560270d4295b - std::sys_common::backtrace::print::h40df9727e635f303
[INFO] [stdout]                                at /rustc/d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2/library/std/src/sys_common/backtrace.rs:36:9
[INFO] [stdout]    8:     0x560270d4295b - std::panicking::default_hook::{{closure}}::hd2da4327dea91a51
[INFO] [stdout]                                at /rustc/d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2/library/std/src/panicking.rs:208:50
[INFO] [stdout]    9:     0x560270d4246c - std::panicking::default_hook::h3d55120ad6ada158
[INFO] [stdout]                                at /rustc/d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2/library/std/src/panicking.rs:222:9
[INFO] [stdout]   10:     0x560270d43024 - std::panicking::rust_panic_with_hook::hf85dd0bb545e3b55
[INFO] [stdout]                                at /rustc/d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2/library/std/src/panicking.rs:622:17
[INFO] [stdout]   11:     0x560270d42b07 - std::panicking::begin_panic_handler::{{closure}}::h736ae969434da9fa
[INFO] [stdout]                                at /rustc/d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2/library/std/src/panicking.rs:519:13
[INFO] [stdout]   12:     0x560270d40c9c - std::sys_common::backtrace::__rust_end_short_backtrace::h6133bb80b1d6c3e0
[INFO] [stdout]                                at /rustc/d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2/library/std/src/sys_common/backtrace.rs:141:18
[INFO] [stdout]   13:     0x560270d42a69 - rust_begin_unwind
[INFO] [stdout]                                at /rustc/d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2/library/std/src/panicking.rs:515:5
[INFO] [stdout]   14:     0x560270a4d8c1 - core::panicking::panic_fmt::hcf5f6d96e1dd7099
[INFO] [stdout]                                at /rustc/d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2/library/core/src/panicking.rs:92:14
[INFO] [stdout]   15:     0x560270d61f2e - core::panicking::assert_failed_inner::h6ded2444c01d76f2
[INFO] [stdout]   16:     0x560270b1969a - core::panicking::assert_failed::h9816c756d7397577
[INFO] [stdout]                                at /rustc/d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2/library/core/src/panicking.rs:117:5
[INFO] [stdout]   17:     0x560270a62849 - test::assert_test_result::h2b8547119d334b92
[INFO] [stdout]                                at /rustc/d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2/library/test/src/lib.rs:194:5
[INFO] [stdout]   18:     0x560270a68675 - i3wsr::tests::get_ids::{{closure}}::hcaae4441e32ece14
[INFO] [stdout]                                at /opt/rustwide/workdir/src/lib.rs:425:5
[INFO] [stdout]   19:     0x560270a5b05e - core::ops::function::FnOnce::call_once::h64b15cc1017d2743
[INFO] [stdout]                                at /rustc/d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2/library/core/src/ops/function.rs:227:5
[INFO] [stdout]   20:     0x560270aa9cd3 - core::ops::function::FnOnce::call_once::h227fa683a5745bd3
[INFO] [stdout]                                at /rustc/d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2/library/core/src/ops/function.rs:227:5
[INFO] [stdout]   21:     0x560270aa9cd3 - test::__rust_begin_short_backtrace::h3a193bd570ada00a
[INFO] [stdout]                                at /rustc/d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2/library/test/src/lib.rs:578:5
[INFO] [stdout]   22:     0x560270aa8748 - <alloc::boxed::Box<F,A> as core::ops::function::FnOnce<Args>>::call_once::h262d2f411717179a
[INFO] [stdout]                                at /rustc/d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2/library/alloc/src/boxed.rs:1572:9
[INFO] [stdout]   23:     0x560270aa8748 - <std::panic::AssertUnwindSafe<F> as core::ops::function::FnOnce<()>>::call_once::hfec00caec3e52a7b
[INFO] [stdout]                                at /rustc/d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2/library/std/src/panic.rs:347:9
[INFO] [stdout]   24:     0x560270aa8748 - std::panicking::try::do_call::ha5f42e76ffda569d
[INFO] [stdout]                                at /rustc/d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2/library/std/src/panicking.rs:401:40
[INFO] [stdout]   25:     0x560270aa8748 - std::panicking::try::h53f36df0935b9500
[INFO] [stdout]                                at /rustc/d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2/library/std/src/panicking.rs:365:19
[INFO] [stdout]   26:     0x560270aa8748 - std::panic::catch_unwind::h5a497f74b0ce006f
[INFO] [stdout]                                at /rustc/d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2/library/std/src/panic.rs:434:14
[INFO] [stdout]   27:     0x560270aa8748 - test::run_test_in_process::hab0aead337f48a88
[INFO] [stdout]                                at /rustc/d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2/library/test/src/lib.rs:601:18
[INFO] [stdout]   28:     0x560270aa8748 - test::run_test::run_test_inner::{{closure}}::h632c383164d4cba2
[INFO] [stdout]                                at /rustc/d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2/library/test/src/lib.rs:493:39
[INFO] [stdout]   29:     0x560270a76ecd - test::run_test::run_test_inner::{{closure}}::h7c4b3612891a4b58
[INFO] [stdout]                                at /rustc/d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2/library/test/src/lib.rs:520:37
[INFO] [stdout]   30:     0x560270a76ecd - std::sys_common::backtrace::__rust_begin_short_backtrace::habf7d8a08419d00e
[INFO] [stdout]                                at /rustc/d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2/library/std/src/sys_common/backtrace.rs:125:18
[INFO] [stdout]   31:     0x560270a7b5f8 - std::thread::Builder::spawn_unchecked::{{closure}}::{{closure}}::h3acba502e2068204
[INFO] [stdout]                                at /rustc/d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2/library/std/src/thread/mod.rs:476:17
[INFO] [stdout]   32:     0x560270a7b5f8 - <std::panic::AssertUnwindSafe<F> as core::ops::function::FnOnce<()>>::call_once::h526ef819c1964a35
[INFO] [stdout]                                at /rustc/d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2/library/std/src/panic.rs:347:9
[INFO] [stdout]   33:     0x560270a7b5f8 - std::panicking::try::do_call::hc0b5663d6373cec8
[INFO] [stdout]                                at /rustc/d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2/library/std/src/panicking.rs:401:40
[INFO] [stdout]   34:     0x560270a7b5f8 - std::panicking::try::ha9007ede9d35dcd6
[INFO] [stdout]                                at /rustc/d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2/library/std/src/panicking.rs:365:19
[INFO] [stdout]   35:     0x560270a7b5f8 - std::panic::catch_unwind::hf60d56329ebbb81c
[INFO] [stdout]                                at /rustc/d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2/library/std/src/panic.rs:434:14
[INFO] [stdout]   36:     0x560270a7b5f8 - std::thread::Builder::spawn_unchecked::{{closure}}::hb1722d498f4ce777
[INFO] [stdout]                                at /rustc/d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2/library/std/src/thread/mod.rs:475:30
[INFO] [stdout]   37:     0x560270a7b5f8 - core::ops::function::FnOnce::call_once{{vtable.shim}}::h15eb01325730c962
[INFO] [stdout]                                at /rustc/d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2/library/core/src/ops/function.rs:227:5
[INFO] [stdout]   38:     0x560270d47cf7 - <alloc::boxed::Box<F,A> as core::ops::function::FnOnce<Args>>::call_once::h09f167e08fc945ff
[INFO] [stdout]                                at /rustc/d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2/library/alloc/src/boxed.rs:1572:9
[INFO] [stdout]   39:     0x560270d47cf7 - <alloc::boxed::Box<F,A> as core::ops::function::FnOnce<Args>>::call_once::hf814fe85eeb118e0
[INFO] [stdout]                                at /rustc/d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2/library/alloc/src/boxed.rs:1572:9
[INFO] [stdout]   40:     0x560270d47cf7 - std::sys::unix::thread::Thread::new::thread_start::hb71b17934c5f5e68
[INFO] [stdout]                                at /rustc/d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2/library/std/src/sys/unix/thread.rs:91:17
[INFO] [stdout]   41:     0x7f8be5132609 - start_thread
[INFO] [stdout]   42:     0x7f8be4f08293 - clone
[INFO] [stdout]   43:                0x0 - <unknown>
[INFO] [stdout] 
[INFO] [stdout] ---- tests::connection_tree stdout ----
[INFO] [stdout] Error: Connection
[INFO] [stdout] 
[INFO] [stdout]    0: failure::backtrace::internal::InternalBacktrace::new
[INFO] [stdout]              at /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/failure-0.1.8/src/backtrace/internal.rs:46
[INFO] [stdout]    1: failure::backtrace::Backtrace::new
[INFO] [stdout]              at /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/failure-0.1.8/src/backtrace/mod.rs:121
[INFO] [stdout]    2: <failure::error::error_impl::ErrorImpl as core::convert::From<F>>::from
[INFO] [stdout]              at /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/failure-0.1.8/src/error/error_impl.rs:19
[INFO] [stdout]    3: <failure::error::Error as core::convert::From<F>>::from
[INFO] [stdout]              at /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/failure-0.1.8/src/error/mod.rs:36
[INFO] [stdout]    4: <core::result::Result<T,F> as core::ops::try_trait::FromResidual<core::result::Result<core::convert::Infallible,E>>>::from_residual
[INFO] [stdout]              at /rustc/d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2/library/core/src/result.rs:1897
[INFO] [stdout]    5: i3wsr::tests::connection_tree
[INFO] [stdout]              at src/lib.rs:353
[INFO] [stdout]    6: i3wsr::tests::connection_tree::{{closure}}
[INFO] [stdout]              at src/lib.rs:351
[INFO] [stdout]    7: core::ops::function::FnOnce::call_once
[INFO] [stdout]              at /rustc/d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2/library/core/src/ops/function.rs:227
[INFO] [stdout]    8: core::ops::function::FnOnce::call_once
[INFO] [stdout]              at /rustc/d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2/library/core/src/ops/function.rs:227
[INFO] [stdout]       test::__rust_begin_short_backtrace
[INFO] [stdout]              at /rustc/d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2/library/test/src/lib.rs:578
[INFO] [stdout]    9: <alloc::boxed::Box<F,A> as core::ops::function::FnOnce<Args>>::call_once
[INFO] [stdout]              at /rustc/d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2/library/alloc/src/boxed.rs:1572
[INFO] [stdout]       <std::panic::AssertUnwindSafe<F> as core::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]              at /rustc/d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2/library/std/src/panic.rs:347
[INFO] [stdout]       std::panicking::try::do_call
[INFO] [stdout]              at /rustc/d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2/library/std/src/panicking.rs:401
[INFO] [stdout]       std::panicking::try
[INFO] [stdout]              at /rustc/d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2/library/std/src/panicking.rs:365
[INFO] [stdout]       std::panic::catch_unwind
[INFO] [stdout]              at /rustc/d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2/library/std/src/panic.rs:434
[INFO] [stdout]       test::run_test_in_process
[INFO] [stdout]              at /rustc/d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2/library/test/src/lib.rs:601
[INFO] [stdout]       test::run_test::run_test_inner::{{closure}}
[INFO] [stdout]              at /rustc/d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2/library/test/src/lib.rs:493
[INFO] [stdout]   10: test::run_test::run_test_inner::{{closure}}
[INFO] [stdout]              at /rustc/d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2/library/test/src/lib.rs:520
[INFO] [stdout]       std::sys_common::backtrace::__rust_begin_short_backtrace
[INFO] [stdout]              at /rustc/d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2/library/std/src/sys_common/backtrace.rs:125
[INFO] [stdout]   11: std::thread::Builder::spawn_unchecked::{{closure}}::{{closure}}
[INFO] [stdout]              at /rustc/d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2/library/std/src/thread/mod.rs:476
[INFO] [stdout]       <std::panic::AssertUnwindSafe<F> as core::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]              at /rustc/d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2/library/std/src/panic.rs:347
[INFO] [stdout]       std::panicking::try::do_call
[INFO] [stdout]              at /rustc/d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2/library/std/src/panicking.rs:401
[INFO] [stdout]       std::panicking::try
[INFO] [stdout]              at /rustc/d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2/library/std/src/panicking.rs:365
[INFO] [stdout]       std::panic::catch_unwind
[INFO] [stdout]              at /rustc/d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2/library/std/src/panic.rs:434
[INFO] [stdout]       std::thread::Builder::spawn_unchecked::{{closure}}
[INFO] [stdout]              at /rustc/d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2/library/std/src/thread/mod.rs:475
[INFO] [stdout]       core::ops::function::FnOnce::call_once{{vtable.shim}}
[INFO] [stdout]              at /rustc/d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2/library/core/src/ops/function.rs:227
[INFO] [stdout]   12: <alloc::boxed::Box<F,A> as core::ops::function::FnOnce<Args>>::call_once
[INFO] [stdout]              at /rustc/d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2/library/alloc/src/boxed.rs:1572
[INFO] [stdout]       <alloc::boxed::Box<F,A> as core::ops::function::FnOnce<Args>>::call_once
[INFO] [stdout]              at /rustc/d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2/library/alloc/src/boxed.rs:1572
[INFO] [stdout]       std::sys::unix::thread::Thread::new::thread_start
[INFO] [stdout]              at /rustc/d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2/library/std/src/sys/unix/thread.rs:91
[INFO] [stdout]   13: start_thread
[INFO] [stdout]   14: clone
[INFO] [stdout] 
[INFO] [stdout] thread 'tests::connection_tree' 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/d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2/library/test/src/lib.rs:194:5
[INFO] [stdout] stack backtrace:
[INFO] [stdout]    0:     0x560270d407c0 - std::backtrace_rs::backtrace::libunwind::trace::h99dbb39dca18857d
[INFO] [stdout]                                at /rustc/d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2/library/std/src/../../backtrace/src/backtrace/libunwind.rs:90:5
[INFO] [stdout]    1:     0x560270d407c0 - std::backtrace_rs::backtrace::trace_unsynchronized::h832861927e9cfedf
[INFO] [stdout]                                at /rustc/d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2/library/std/src/../../backtrace/src/backtrace/mod.rs:66:5
[INFO] [stdout]    2:     0x560270d407c0 - std::sys_common::backtrace::_print_fmt::h3d18154c77dcf310
[INFO] [stdout]                                at /rustc/d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2/library/std/src/sys_common/backtrace.rs:67:5
[INFO] [stdout]    3:     0x560270d407c0 - <std::sys_common::backtrace::_print::DisplayBacktrace as core::fmt::Display>::fmt::he312f4ad5b9bb346
[INFO] [stdout]                                at /rustc/d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2/library/std/src/sys_common/backtrace.rs:46:22
[INFO] [stdout]    4:     0x560270d63a7c - core::fmt::write::h9a6d9c74526a6c1b
[INFO] [stdout]                                at /rustc/d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2/library/core/src/fmt/mod.rs:1115:17
[INFO] [stdout]    5:     0x560270d3d465 - std::io::Write::write_fmt::h65d36b96410d80d7
[INFO] [stdout]                                at /rustc/d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2/library/std/src/io/mod.rs:1665:15
[INFO] [stdout]    6:     0x560270d4295b - std::sys_common::backtrace::_print::h65d996766de40da4
[INFO] [stdout]                                at /rustc/d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2/library/std/src/sys_common/backtrace.rs:49:5
[INFO] [stdout]    7:     0x560270d4295b - std::sys_common::backtrace::print::h40df9727e635f303
[INFO] [stdout]                                at /rustc/d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2/library/std/src/sys_common/backtrace.rs:36:9
[INFO] [stdout]    8:     0x560270d4295b - std::panicking::default_hook::{{closure}}::hd2da4327dea91a51
[INFO] [stdout]                                at /rustc/d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2/library/std/src/panicking.rs:208:50
[INFO] [stdout]    9:     0x560270d4246c - std::panicking::default_hook::h3d55120ad6ada158
[INFO] [stdout]                                at /rustc/d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2/library/std/src/panicking.rs:222:9
[INFO] [stdout]   10:     0x560270d43024 - std::panicking::rust_panic_with_hook::hf85dd0bb545e3b55
[INFO] [stdout]                                at /rustc/d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2/library/std/src/panicking.rs:622:17
[INFO] [stdout]   11:     0x560270d42b07 - std::panicking::begin_panic_handler::{{closure}}::h736ae969434da9fa
[INFO] [stdout]                                at /rustc/d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2/library/std/src/panicking.rs:519:13
[INFO] [stdout]   12:     0x560270d40c9c - std::sys_common::backtrace::__rust_end_short_backtrace::h6133bb80b1d6c3e0
[INFO] [stdout]                                at /rustc/d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2/library/std/src/sys_common/backtrace.rs:141:18
[INFO] [stdout]   13:     0x560270d42a69 - rust_begin_unwind
[INFO] [stdout]                                at /rustc/d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2/library/std/src/panicking.rs:515:5
[INFO] [stdout]   14:     0x560270a4d8c1 - core::panicking::panic_fmt::hcf5f6d96e1dd7099
[INFO] [stdout]                                at /rustc/d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2/library/core/src/panicking.rs:92:14
[INFO] [stdout]   15:     0x560270d61f2e - core::panicking::assert_failed_inner::h6ded2444c01d76f2
[INFO] [stdout]   16:     0x560270b1969a - core::panicking::assert_failed::h9816c756d7397577
[INFO] [stdout]                                at /rustc/d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2/library/core/src/panicking.rs:117:5
[INFO] [stdout]   17:     0x560270a62849 - test::assert_test_result::h2b8547119d334b92
[INFO] [stdout]                                at /rustc/d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2/library/test/src/lib.rs:194:5
[INFO] [stdout]   18:     0x560270a66375 - i3wsr::tests::connection_tree::{{closure}}::h3e9aab7653b7598e
[INFO] [stdout]                                at /opt/rustwide/workdir/src/lib.rs:351:5
[INFO] [stdout]   19:     0x560270a5b24e - core::ops::function::FnOnce::call_once::hfe6e76e39f4bc6e1
[INFO] [stdout]                                at /rustc/d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2/library/core/src/ops/function.rs:227:5
[INFO] [stdout]   20:     0x560270aa9cd3 - core::ops::function::FnOnce::call_once::h227fa683a5745bd3
[INFO] [stdout]                                at /rustc/d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2/library/core/src/ops/function.rs:227:5
[INFO] [stdout]   21:     0x560270aa9cd3 - test::__rust_begin_short_backtrace::h3a193bd570ada00a
[INFO] [stdout]                                at /rustc/d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2/library/test/src/lib.rs:578:5
[INFO] [stdout]   22:     0x560270aa8748 - <alloc::boxed::Box<F,A> as core::ops::function::FnOnce<Args>>::call_once::h262d2f411717179a
[INFO] [stdout]                                at /rustc/d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2/library/alloc/src/boxed.rs:1572:9
[INFO] [stdout]   23:     0x560270aa8748 - <std::panic::AssertUnwindSafe<F> as core::ops::function::FnOnce<()>>::call_once::hfec00caec3e52a7b
[INFO] [stdout]                                at /rustc/d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2/library/std/src/panic.rs:347:9
[INFO] [stdout]   24:     0x560270aa8748 - std::panicking::try::do_call::ha5f42e76ffda569d
[INFO] [stdout]                                at /rustc/d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2/library/std/src/panicking.rs:401:40
[INFO] [stdout]   25:     0x560270aa8748 - std::panicking::try::h53f36df0935b9500
[INFO] [stdout]                                at /rustc/d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2/library/std/src/panicking.rs:365:19
[INFO] [stdout]   26:     0x560270aa8748 - std::panic::catch_unwind::h5a497f74b0ce006f
[INFO] [stdout]                                at /rustc/d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2/library/std/src/panic.rs:434:14
[INFO] [stdout]   27:     0x560270aa8748 - test::run_test_in_process::hab0aead337f48a88
[INFO] [stdout]                                at /rustc/d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2/library/test/src/lib.rs:601:18
[INFO] [stdout]   28:     0x560270aa8748 - test::run_test::run_test_inner::{{closure}}::h632c383164d4cba2
[INFO] [stdout]                                at /rustc/d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2/library/test/src/lib.rs:493:39
[INFO] [stdout]   29:     0x560270a76ecd - test::run_test::run_test_inner::{{closure}}::h7c4b3612891a4b58
[INFO] [stdout]                                at /rustc/d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2/library/test/src/lib.rs:520:37
[INFO] [stdout]   30:     0x560270a76ecd - std::sys_common::backtrace::__rust_begin_short_backtrace::habf7d8a08419d00e
[INFO] [stdout]                                at /rustc/d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2/library/std/src/sys_common/backtrace.rs:125:18
[INFO] [stdout]   31:     0x560270a7b5f8 - std::thread::Builder::spawn_unchecked::{{closure}}::{{closure}}::h3acba502e2068204
[INFO] [stdout]                                at /rustc/d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2/library/std/src/thread/mod.rs:476:17
[INFO] [stdout]   32:     0x560270a7b5f8 - <std::panic::AssertUnwindSafe<F> as core::ops::function::FnOnce<()>>::call_once::h526ef819c1964a35
[INFO] [stdout]                                at /rustc/d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2/library/std/src/panic.rs:347:9
[INFO] [stdout]   33:     0x560270a7b5f8 - std::panicking::try::do_call::hc0b5663d6373cec8
[INFO] [stdout]                                at /rustc/d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2/library/std/src/panicking.rs:401:40
[INFO] [stdout]   34:     0x560270a7b5f8 - std::panicking::try::ha9007ede9d35dcd6
[INFO] [stdout]                                at /rustc/d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2/library/std/src/panicking.rs:365:19
[INFO] [stdout]   35:     0x560270a7b5f8 - std::panic::catch_unwind::hf60d56329ebbb81c
[INFO] [stdout]                                at /rustc/d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2/library/std/src/panic.rs:434:14
[INFO] [stdout]   36:     0x560270a7b5f8 - std::thread::Builder::spawn_unchecked::{{closure}}::hb1722d498f4ce777
[INFO] [stdout]                                at /rustc/d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2/library/std/src/thread/mod.rs:475:30
[INFO] [stdout]   37:     0x560270a7b5f8 - core::ops::function::FnOnce::call_once{{vtable.shim}}::h15eb01325730c962
[INFO] [stdout]                                at /rustc/d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2/library/core/src/ops/function.rs:227:5
[INFO] [stdout]   38:     0x560270d47cf7 - <alloc::boxed::Box<F,A> as core::ops::function::FnOnce<Args>>::call_once::h09f167e08fc945ff
[INFO] [stdout]                                at /rustc/d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2/library/alloc/src/boxed.rs:1572:9
[INFO] [stdout]   39:     0x560270d47cf7 - <alloc::boxed::Box<F,A> as core::ops::function::FnOnce<Args>>::call_once::hf814fe85eeb118e0
[INFO] [stdout]                                at /rustc/d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2/library/alloc/src/boxed.rs:1572:9
[INFO] [stdout]   40:     0x560270d47cf7 - std::sys::unix::thread::Thread::new::thread_start::hb71b17934c5f5e68
[INFO] [stdout]                                at /rustc/d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2/library/std/src/sys/unix/thread.rs:91:17
[INFO] [stdout]   41:     0x7f8be5132609 - start_thread
[INFO] [stdout]   42:     0x7f8be4f08293 - clone
[INFO] [stdout]   43:                0x0 - <unknown>
[INFO] [stdout] 
[INFO] [stdout] ---- tests::get_title stdout ----
[INFO] [stdout] Error: Connection
[INFO] [stdout] 
[INFO] [stdout]    0: failure::backtrace::internal::InternalBacktrace::new
[INFO] [stdout]              at /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/failure-0.1.8/src/backtrace/internal.rs:46
[INFO] [stdout]    1: failure::backtrace::Backtrace::new
[INFO] [stdout]              at /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/failure-0.1.8/src/backtrace/mod.rs:121
[INFO] [stdout]    2: <failure::error::error_impl::ErrorImpl as core::convert::From<F>>::from
[INFO] [stdout]              at /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/failure-0.1.8/src/error/error_impl.rs:19
[INFO] [stdout]    3: <failure::error::Error as core::convert::From<F>>::from
[INFO] [stdout]              at /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/failure-0.1.8/src/error/mod.rs:36
[INFO] [stdout]    4: <core::result::Result<T,F> as core::ops::try_trait::FromResidual<core::result::Result<core::convert::Infallible,E>>>::from_residual
[INFO] [stdout]              at /rustc/d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2/library/core/src/result.rs:1897
[INFO] [stdout]    5: i3wsr::tests::get_title
[INFO] [stdout]              at src/lib.rs:377
[INFO] [stdout]    6: i3wsr::tests::get_title::{{closure}}
[INFO] [stdout]              at src/lib.rs:375
[INFO] [stdout]    7: core::ops::function::FnOnce::call_once
[INFO] [stdout]              at /rustc/d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2/library/core/src/ops/function.rs:227
[INFO] [stdout]    8: core::ops::function::FnOnce::call_once
[INFO] [stdout]              at /rustc/d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2/library/core/src/ops/function.rs:227
[INFO] [stdout]       test::__rust_begin_short_backtrace
[INFO] [stdout]              at /rustc/d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2/library/test/src/lib.rs:578
[INFO] [stdout]    9: <alloc::boxed::Box<F,A> as core::ops::function::FnOnce<Args>>::call_once
[INFO] [stdout]              at /rustc/d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2/library/alloc/src/boxed.rs:1572
[INFO] [stdout]       <std::panic::AssertUnwindSafe<F> as core::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]              at /rustc/d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2/library/std/src/panic.rs:347
[INFO] [stdout]       std::panicking::try::do_call
[INFO] [stdout]              at /rustc/d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2/library/std/src/panicking.rs:401
[INFO] [stdout]       std::panicking::try
[INFO] [stdout]              at /rustc/d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2/library/std/src/panicking.rs:365
[INFO] [stdout]       std::panic::catch_unwind
[INFO] [stdout]              at /rustc/d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2/library/std/src/panic.rs:434
[INFO] [stdout]       test::run_test_in_process
[INFO] [stdout]              at /rustc/d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2/library/test/src/lib.rs:601
[INFO] [stdout]       test::run_test::run_test_inner::{{closure}}
[INFO] [stdout]              at /rustc/d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2/library/test/src/lib.rs:493
[INFO] [stdout]   10: test::run_test::run_test_inner::{{closure}}
[INFO] [stdout]              at /rustc/d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2/library/test/src/lib.rs:520
[INFO] [stdout]       std::sys_common::backtrace::__rust_begin_short_backtrace
[INFO] [stdout]              at /rustc/d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2/library/std/src/sys_common/backtrace.rs:125
[INFO] [stdout]   11: std::thread::Builder::spawn_unchecked::{{closure}}::{{closure}}
[INFO] [stdout]              at /rustc/d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2/library/std/src/thread/mod.rs:476
[INFO] [stdout]       <std::panic::AssertUnwindSafe<F> as core::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]              at /rustc/d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2/library/std/src/panic.rs:347
[INFO] [stdout]       std::panicking::try::do_call
[INFO] [stdout]              at /rustc/d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2/library/std/src/panicking.rs:401
[INFO] [stdout]       std::panicking::try
[INFO] [stdout]              at /rustc/d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2/library/std/src/panicking.rs:365
[INFO] [stdout]       std::panic::catch_unwind
[INFO] [stdout]              at /rustc/d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2/library/std/src/panic.rs:434
[INFO] [stdout]       std::thread::Builder::spawn_unchecked::{{closure}}
[INFO] [stdout]              at /rustc/d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2/library/std/src/thread/mod.rs:475
[INFO] [stdout]       core::ops::function::FnOnce::call_once{{vtable.shim}}
[INFO] [stdout]              at /rustc/d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2/library/core/src/ops/function.rs:227
[INFO] [stdout]   12: <alloc::boxed::Box<F,A> as core::ops::function::FnOnce<Args>>::call_once
[INFO] [stdout]              at /rustc/d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2/library/alloc/src/boxed.rs:1572
[INFO] [stdout]       <alloc::boxed::Box<F,A> as core::ops::function::FnOnce<Args>>::call_once
[INFO] [stdout]              at /rustc/d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2/library/alloc/src/boxed.rs:1572
[INFO] [stdout]       std::sys::unix::thread::Thread::new::thread_start
[INFO] [stdout]              at /rustc/d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2/library/std/src/sys/unix/thread.rs:91
[INFO] [stdout]   13: start_thread
[INFO] [stdout]   14: clone
[INFO] [stdout] 
[INFO] [stdout] thread 'tests::get_title' 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/d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2/library/test/src/lib.rs:194:5
[INFO] [stdout] stack backtrace:
[INFO] [stdout]    0:     0x560270d407c0 - std::backtrace_rs::backtrace::libunwind::trace::h99dbb39dca18857d
[INFO] [stdout]                                at /rustc/d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2/library/std/src/../../backtrace/src/backtrace/libunwind.rs:90:5
[INFO] [stdout]    1:     0x560270d407c0 - std::backtrace_rs::backtrace::trace_unsynchronized::h832861927e9cfedf
[INFO] [stdout]                                at /rustc/d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2/library/std/src/../../backtrace/src/backtrace/mod.rs:66:5
[INFO] [stdout]    2:     0x560270d407c0 - std::sys_common::backtrace::_print_fmt::h3d18154c77dcf310
[INFO] [stdout]                                at /rustc/d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2/library/std/src/sys_common/backtrace.rs:67:5
[INFO] [stdout]    3:     0x560270d407c0 - <std::sys_common::backtrace::_print::DisplayBacktrace as core::fmt::Display>::fmt::he312f4ad5b9bb346
[INFO] [stdout]                                at /rustc/d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2/library/std/src/sys_common/backtrace.rs:46:22
[INFO] [stdout]    4:     0x560270d63a7c - core::fmt::write::h9a6d9c74526a6c1b
[INFO] [stdout]                                at /rustc/d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2/library/core/src/fmt/mod.rs:1115:17
[INFO] [stdout]    5:     0x560270d3d465 - std::io::Write::write_fmt::h65d36b96410d80d7
[INFO] [stdout]                                at /rustc/d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2/library/std/src/io/mod.rs:1665:15
[INFO] [stdout]    6:     0x560270d4295b - std::sys_common::backtrace::_print::h65d996766de40da4
[INFO] [stdout]                                at /rustc/d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2/library/std/src/sys_common/backtrace.rs:49:5
[INFO] [stdout]    7:     0x560270d4295b - std::sys_common::backtrace::print::h40df9727e635f303
[INFO] [stdout]                                at /rustc/d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2/library/std/src/sys_common/backtrace.rs:36:9
[INFO] [stdout]    8:     0x560270d4295b - std::panicking::default_hook::{{closure}}::hd2da4327dea91a51
[INFO] [stdout]                                at /rustc/d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2/library/std/src/panicking.rs:208:50
[INFO] [stdout]    9:     0x560270d4246c - std::panicking::default_hook::h3d55120ad6ada158
[INFO] [stdout]                                at /rustc/d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2/library/std/src/panicking.rs:222:9
[INFO] [stdout]   10:     0x560270d43024 - std::panicking::rust_panic_with_hook::hf85dd0bb545e3b55
[INFO] [stdout]                                at /rustc/d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2/library/std/src/panicking.rs:622:17
[INFO] [stdout]   11:     0x560270d42b07 - std::panicking::begin_panic_handler::{{closure}}::h736ae969434da9fa
[INFO] [stdout]                                at /rustc/d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2/library/std/src/panicking.rs:519:13
[INFO] [stdout]   12:     0x560270d40c9c - std::sys_common::backtrace::__rust_end_short_backtrace::h6133bb80b1d6c3e0
[INFO] [stdout]                                at /rustc/d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2/library/std/src/sys_common/backtrace.rs:141:18
[INFO] [stdout]   13:     0x560270d42a69 - rust_begin_unwind
[INFO] [stdout]                                at /rustc/d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2/library/std/src/panicking.rs:515:5
[INFO] [stdout]   14:     0x560270a4d8c1 - core::panicking::panic_fmt::hcf5f6d96e1dd7099
[INFO] [stdout]                                at /rustc/d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2/library/core/src/panicking.rs:92:14
[INFO] [stdout]   15:     0x560270d61f2e - core::panicking::assert_failed_inner::h6ded2444c01d76f2
[INFO] [stdout]   16:     0x560270b1969a - core::panicking::assert_failed::h9816c756d7397577
[INFO] [stdout]                                at /rustc/d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2/library/core/src/panicking.rs:117:5
[INFO] [stdout]   17:     0x560270a62849 - test::assert_test_result::h2b8547119d334b92
[INFO] [stdout]                                at /rustc/d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2/library/test/src/lib.rs:194:5
[INFO] [stdout]   18:     0x560270a66e35 - i3wsr::tests::get_title::{{closure}}::h72768a6a4ccd0713
[INFO] [stdout]                                at /opt/rustwide/workdir/src/lib.rs:375:5
[INFO] [stdout]   19:     0x560270a5afde - core::ops::function::FnOnce::call_once::h3ef73c2e5299d708
[INFO] [stdout]                                at /rustc/d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2/library/core/src/ops/function.rs:227:5
[INFO] [stdout]   20:     0x560270aa9cd3 - core::ops::function::FnOnce::call_once::h227fa683a5745bd3
[INFO] [stdout]                                at /rustc/d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2/library/core/src/ops/function.rs:227:5
[INFO] [stdout]   21:     0x560270aa9cd3 - test::__rust_begin_short_backtrace::h3a193bd570ada00a
[INFO] [stdout]                                at /rustc/d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2/library/test/src/lib.rs:578:5
[INFO] [stdout]   22:     0x560270aa8748 - <alloc::boxed::Box<F,A> as core::ops::function::FnOnce<Args>>::call_once::h262d2f411717179a
[INFO] [stdout]                                at /rustc/d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2/library/alloc/src/boxed.rs:1572:9
[INFO] [stdout]   23:     0x560270aa8748 - <std::panic::AssertUnwindSafe<F> as core::ops::function::FnOnce<()>>::call_once::hfec00caec3e52a7b
[INFO] [stdout]                                at /rustc/d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2/library/std/src/panic.rs:347:9
[INFO] [stdout]   24:     0x560270aa8748 - std::panicking::try::do_call::ha5f42e76ffda569d
[INFO] [stdout]                                at /rustc/d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2/library/std/src/panicking.rs:401:40
[INFO] [stdout]   25:     0x560270aa8748 - std::panicking::try::h53f36df0935b9500
[INFO] [stdout]                                at /rustc/d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2/library/std/src/panicking.rs:365:19
[INFO] [stdout]   26:     0x560270aa8748 - std::panic::catch_unwind::h5a497f74b0ce006f
[INFO] [stdout]                                at /rustc/d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2/library/std/src/panic.rs:434:14
[INFO] [stdout]   27:     0x560270aa8748 - test::run_test_in_process::hab0aead337f48a88
[INFO] [stdout]                                at /rustc/d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2/library/test/src/lib.rs:601:18
[INFO] [stdout]   28:     0x560270aa8748 - test::run_test::run_test_inner::{{closure}}::h632c383164d4cba2
[INFO] [stdout]                                at /rustc/d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2/library/test/src/lib.rs:493:39
[INFO] [stdout]   29:     0x560270a76ecd - test::run_test::run_test_inner::{{closure}}::h7c4b3612891a4b58
[INFO] [stdout]                                at /rustc/d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2/library/test/src/lib.rs:520:37
[INFO] [stdout]   30:     0x560270a76ecd - std::sys_common::backtrace::__rust_begin_short_backtrace::habf7d8a08419d00e
[INFO] [stdout]                                at /rustc/d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2/library/std/src/sys_common/backtrace.rs:125:18
[INFO] [stdout]   31:     0x560270a7b5f8 - std::thread::Builder::spawn_unchecked::{{closure}}::{{closure}}::h3acba502e2068204
[INFO] [stdout]                                at /rustc/d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2/library/std/src/thread/mod.rs:476:17
[INFO] [stdout]   32:     0x560270a7b5f8 - <std::panic::AssertUnwindSafe<F> as core::ops::function::FnOnce<()>>::call_once::h526ef819c1964a35
[INFO] [stdout]                                at /rustc/d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2/library/std/src/panic.rs:347:9
[INFO] [stdout]   33:     0x560270a7b5f8 - std::panicking::try::do_call::hc0b5663d6373cec8
[INFO] [stdout]                                at /rustc/d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2/library/std/src/panicking.rs:401:40
[INFO] [stdout]   34:     0x560270a7b5f8 - std::panicking::try::ha9007ede9d35dcd6
[INFO] [stdout]                                at /rustc/d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2/library/std/src/panicking.rs:365:19
[INFO] [stdout]   35:     0x560270a7b5f8 - std::panic::catch_unwind::hf60d56329ebbb81c
[INFO] [stdout]                                at /rustc/d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2/library/std/src/panic.rs:434:14
[INFO] [stdout]   36:     0x560270a7b5f8 - std::thread::Builder::spawn_unchecked::{{closure}}::hb1722d498f4ce777
[INFO] [stdout]                                at /rustc/d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2/library/std/src/thread/mod.rs:475:30
[INFO] [stdout]   37:     0x560270a7b5f8 - core::ops::function::FnOnce::call_once{{vtable.shim}}::h15eb01325730c962
[INFO] [stdout]                                at /rustc/d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2/library/core/src/ops/function.rs:227:5
[INFO] [stdout]   38:     0x560270d47cf7 - <alloc::boxed::Box<F,A> as core::ops::function::FnOnce<Args>>::call_once::h09f167e08fc945ff
[INFO] [stdout]                                at /rustc/d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2/library/alloc/src/boxed.rs:1572:9
[INFO] [stdout]   39:     0x560270d47cf7 - <alloc::boxed::Box<F,A> as core::ops::function::FnOnce<Args>>::call_once::hf814fe85eeb118e0
[INFO] [stdout]                                at /rustc/d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2/library/alloc/src/boxed.rs:1572:9
[INFO] [stdout]   40:     0x560270d47cf7 - std::sys::unix::thread::Thread::new::thread_start::hb71b17934c5f5e68
[INFO] [stdout]                                at /rustc/d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2/library/std/src/sys/unix/thread.rs:91:17
[INFO] [stdout]   41:     0x7f8be5132609 - start_thread
[INFO] [stdout]   42:     0x7f8be4f08293 - clone
[INFO] [stdout]   43:                0x0 - <unknown>
[INFO] [stdout] 
[INFO] [stdout] ---- tests::collect_titles stdout ----
[INFO] [stdout] Error: Connection
[INFO] [stdout] 
[INFO] [stdout]    0: failure::backtrace::internal::InternalBacktrace::new
[INFO] [stdout]              at /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/failure-0.1.8/src/backtrace/internal.rs:46
[INFO] [stdout]    1: failure::backtrace::Backtrace::new
[INFO] [stdout]              at /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/failure-0.1.8/src/backtrace/mod.rs:121
[INFO] [stdout]    2: <failure::error::error_impl::ErrorImpl as core::convert::From<F>>::from
[INFO] [stdout]              at /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/failure-0.1.8/src/error/error_impl.rs:19
[INFO] [stdout]    3: <failure::error::Error as core::convert::From<F>>::from
[INFO] [stdout]              at /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/failure-0.1.8/src/error/mod.rs:36
[INFO] [stdout]    4: <core::result::Result<T,F> as core::ops::try_trait::FromResidual<core::result::Result<core::convert::Infallible,E>>>::from_residual
[INFO] [stdout]              at /rustc/d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2/library/core/src/result.rs:1897
[INFO] [stdout]    5: i3wsr::tests::collect_titles
[INFO] [stdout]              at src/lib.rs:409
[INFO] [stdout]    6: i3wsr::tests::collect_titles::{{closure}}
[INFO] [stdout]              at src/lib.rs:407
[INFO] [stdout]    7: core::ops::function::FnOnce::call_once
[INFO] [stdout]              at /rustc/d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2/library/core/src/ops/function.rs:227
[INFO] [stdout]    8: core::ops::function::FnOnce::call_once
[INFO] [stdout]              at /rustc/d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2/library/core/src/ops/function.rs:227
[INFO] [stdout]       test::__rust_begin_short_backtrace
[INFO] [stdout]              at /rustc/d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2/library/test/src/lib.rs:578
[INFO] [stdout]    9: <alloc::boxed::Box<F,A> as core::ops::function::FnOnce<Args>>::call_once
[INFO] [stdout]              at /rustc/d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2/library/alloc/src/boxed.rs:1572
[INFO] [stdout]       <std::panic::AssertUnwindSafe<F> as core::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]              at /rustc/d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2/library/std/src/panic.rs:347
[INFO] [stdout]       std::panicking::try::do_call
[INFO] [stdout]              at /rustc/d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2/library/std/src/panicking.rs:401
[INFO] [stdout]       std::panicking::try
[INFO] [stdout]              at /rustc/d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2/library/std/src/panicking.rs:365
[INFO] [stdout]       std::panic::catch_unwind
[INFO] [stdout]              at /rustc/d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2/library/std/src/panic.rs:434
[INFO] [stdout]       test::run_test_in_process
[INFO] [stdout]              at /rustc/d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2/library/test/src/lib.rs:601
[INFO] [stdout]       test::run_test::run_test_inner::{{closure}}
[INFO] [stdout]              at /rustc/d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2/library/test/src/lib.rs:493
[INFO] [stdout]   10: test::run_test::run_test_inner::{{closure}}
[INFO] [stdout]              at /rustc/d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2/library/test/src/lib.rs:520
[INFO] [stdout]       std::sys_common::backtrace::__rust_begin_short_backtrace
[INFO] [stdout]              at /rustc/d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2/library/std/src/sys_common/backtrace.rs:125
[INFO] [stdout]   11: std::thread::Builder::spawn_unchecked::{{closure}}::{{closure}}
[INFO] [stdout]              at /rustc/d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2/library/std/src/thread/mod.rs:476
[INFO] [stdout]       <std::panic::AssertUnwindSafe<F> as core::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]              at /rustc/d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2/library/std/src/panic.rs:347
[INFO] [stdout]       std::panicking::try::do_call
[INFO] [stdout]              at /rustc/d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2/library/std/src/panicking.rs:401
[INFO] [stdout]       std::panicking::try
[INFO] [stdout]              at /rustc/d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2/library/std/src/panicking.rs:365
[INFO] [stdout]       std::panic::catch_unwind
[INFO] [stdout]              at /rustc/d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2/library/std/src/panic.rs:434
[INFO] [stdout]       std::thread::Builder::spawn_unchecked::{{closure}}
[INFO] [stdout]              at /rustc/d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2/library/std/src/thread/mod.rs:475
[INFO] [stdout]       core::ops::function::FnOnce::call_once{{vtable.shim}}
[INFO] [stdout]              at /rustc/d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2/library/core/src/ops/function.rs:227
[INFO] [stdout]   12: <alloc::boxed::Box<F,A> as core::ops::function::FnOnce<Args>>::call_once
[INFO] [stdout]              at /rustc/d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2/library/alloc/src/boxed.rs:1572
[INFO] [stdout]       <alloc::boxed::Box<F,A> as core::ops::function::FnOnce<Args>>::call_once
[INFO] [stdout]              at /rustc/d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2/library/alloc/src/boxed.rs:1572
[INFO] [stdout]       std::sys::unix::thread::Thread::new::thread_start
[INFO] [stdout]              at /rustc/d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2/library/std/src/sys/unix/thread.rs:91
[INFO] [stdout]   13: start_thread
[INFO] [stdout]   14: clone
[INFO] [stdout] 
[INFO] [stdout] thread 'tests::collect_titles' 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/d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2/library/test/src/lib.rs:194:5
[INFO] [stdout] stack backtrace:
[INFO] [stdout]    0:     0x560270d407c0 - std::backtrace_rs::backtrace::libunwind::trace::h99dbb39dca18857d
[INFO] [stdout]                                at /rustc/d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2/library/std/src/../../backtrace/src/backtrace/libunwind.rs:90:5
[INFO] [stdout]    1:     0x560270d407c0 - std::backtrace_rs::backtrace::trace_unsynchronized::h832861927e9cfedf
[INFO] [stdout]                                at /rustc/d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2/library/std/src/../../backtrace/src/backtrace/mod.rs:66:5
[INFO] [stdout]    2:     0x560270d407c0 - std::sys_common::backtrace::_print_fmt::h3d18154c77dcf310
[INFO] [stdout]                                at /rustc/d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2/library/std/src/sys_common/backtrace.rs:67:5
[INFO] [stdout]    3:     0x560270d407c0 - <std::sys_common::backtrace::_print::DisplayBacktrace as core::fmt::Display>::fmt::he312f4ad5b9bb346
[INFO] [stdout]                                at /rustc/d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2/library/std/src/sys_common/backtrace.rs:46:22
[INFO] [stdout]    4:     0x560270d63a7c - core::fmt::write::h9a6d9c74526a6c1b
[INFO] [stdout]                                at /rustc/d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2/library/core/src/fmt/mod.rs:1115:17
[INFO] [stdout]    5:     0x560270d3d465 - std::io::Write::write_fmt::h65d36b96410d80d7
[INFO] [stdout]                                at /rustc/d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2/library/std/src/io/mod.rs:1665:15
[INFO] [stdout]    6:     0x560270d4295b - std::sys_common::backtrace::_print::h65d996766de40da4
[INFO] [stdout]                                at /rustc/d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2/library/std/src/sys_common/backtrace.rs:49:5
[INFO] [stdout]    7:     0x560270d4295b - std::sys_common::backtrace::print::h40df9727e635f303
[INFO] [stdout]                                at /rustc/d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2/library/std/src/sys_common/backtrace.rs:36:9
[INFO] [stdout]    8:     0x560270d4295b - std::panicking::default_hook::{{closure}}::hd2da4327dea91a51
[INFO] [stdout]                                at /rustc/d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2/library/std/src/panicking.rs:208:50
[INFO] [stdout]    9:     0x560270d4246c - std::panicking::default_hook::h3d55120ad6ada158
[INFO] [stdout]                                at /rustc/d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2/library/std/src/panicking.rs:222:9
[INFO] [stdout]   10:     0x560270d43024 - std::panicking::rust_panic_with_hook::hf85dd0bb545e3b55
[INFO] [stdout]                                at /rustc/d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2/library/std/src/panicking.rs:622:17
[INFO] [stdout]   11:     0x560270d42b07 - std::panicking::begin_panic_handler::{{closure}}::h736ae969434da9fa
[INFO] [stdout]                                at /rustc/d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2/library/std/src/panicking.rs:519:13
[INFO] [stdout]   12:     0x560270d40c9c - std::sys_common::backtrace::__rust_end_short_backtrace::h6133bb80b1d6c3e0
[INFO] [stdout]                                at /rustc/d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2/library/std/src/sys_common/backtrace.rs:141:18
[INFO] [stdout]   13:     0x560270d42a69 - rust_begin_unwind
[INFO] [stdout]                                at /rustc/d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2/library/std/src/panicking.rs:515:5
[INFO] [stdout]   14:     0x560270a4d8c1 - core::panicking::panic_fmt::hcf5f6d96e1dd7099
[INFO] [stdout]                                at /rustc/d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2/library/core/src/panicking.rs:92:14
[INFO] [stdout]   15:     0x560270d61f2e - core::panicking::assert_failed_inner::h6ded2444c01d76f2
[INFO] [stdout]   16:     0x560270b1969a - core::panicking::assert_failed::h9816c756d7397577
[INFO] [stdout]                                at /rustc/d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2/library/core/src/panicking.rs:117:5
[INFO] [stdout]   17:     0x560270a62849 - test::assert_test_result::h2b8547119d334b92
[INFO] [stdout]                                at /rustc/d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2/library/test/src/lib.rs:194:5
[INFO] [stdout]   18:     0x560270a67b85 - i3wsr::tests::collect_titles::{{closure}}::h9d4390b7376f276c
[INFO] [stdout]                                at /opt/rustwide/workdir/src/lib.rs:407:5
[INFO] [stdout]   19:     0x560270a5b20e - core::ops::function::FnOnce::call_once::hf3bcd91d5736611f
[INFO] [stdout]                                at /rustc/d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2/library/core/src/ops/function.rs:227:5
[INFO] [stdout]   20:     0x560270aa9cd3 - core::ops::function::FnOnce::call_once::h227fa683a5745bd3
[INFO] [stdout]                                at /rustc/d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2/library/core/src/ops/function.rs:227:5
[INFO] [stdout]   21:     0x560270aa9cd3 - test::__rust_begin_short_backtrace::h3a193bd570ada00a
[INFO] [stdout]                                at /rustc/d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2/library/test/src/lib.rs:578:5
[INFO] [stdout]   22:     0x560270aa8748 - <alloc::boxed::Box<F,A> as core::ops::function::FnOnce<Args>>::call_once::h262d2f411717179a
[INFO] [stdout]                                at /rustc/d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2/library/alloc/src/boxed.rs:1572:9
[INFO] [stdout]   23:     0x560270aa8748 - <std::panic::AssertUnwindSafe<F> as core::ops::function::FnOnce<()>>::call_once::hfec00caec3e52a7b
[INFO] [stdout]                                at /rustc/d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2/library/std/src/panic.rs:347:9
[INFO] [stdout]   24:     0x560270aa8748 - std::panicking::try::do_call::ha5f42e76ffda569d
[INFO] [stdout]                                at /rustc/d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2/library/std/src/panicking.rs:401:40
[INFO] [stdout]   25:     0x560270aa8748 - std::panicking::try::h53f36df0935b9500
[INFO] [stdout]                                at /rustc/d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2/library/std/src/panicking.rs:365:19
[INFO] [stdout]   26:     0x560270aa8748 - std::panic::catch_unwind::h5a497f74b0ce006f
[INFO] [stdout]                                at /rustc/d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2/library/std/src/panic.rs:434:14
[INFO] [stdout]   27:     0x560270aa8748 - test::run_test_in_process::hab0aead337f48a88
[INFO] [stdout]                                at /rustc/d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2/library/test/src/lib.rs:601:18
[INFO] [stdout]   28:     0x560270aa8748 - test::run_test::run_test_inner::{{closure}}::h632c383164d4cba2
[INFO] [stdout]                                at /rustc/d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2/library/test/src/lib.rs:493:39
[INFO] [stdout]   29:     0x560270a76ecd - test::run_test::run_test_inner::{{closure}}::h7c4b3612891a4b58
[INFO] [stdout]                                at /rustc/d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2/library/test/src/lib.rs:520:37
[INFO] [stdout]   30:     0x560270a76ecd - std::sys_common::backtrace::__rust_begin_short_backtrace::habf7d8a08419d00e
[INFO] [stdout]                                at /rustc/d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2/library/std/src/sys_common/backtrace.rs:125:18
[INFO] [stdout]   31:     0x560270a7b5f8 - std::thread::Builder::spawn_unchecked::{{closure}}::{{closure}}::h3acba502e2068204
[INFO] [stdout]                                at /rustc/d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2/library/std/src/thread/mod.rs:476:17
[INFO] [stdout]   32:     0x560270a7b5f8 - <std::panic::AssertUnwindSafe<F> as core::ops::function::FnOnce<()>>::call_once::h526ef819c1964a35
[INFO] [stdout]                                at /rustc/d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2/library/std/src/panic.rs:347:9
[INFO] [stdout]   33:     0x560270a7b5f8 - std::panicking::try::do_call::hc0b5663d6373cec8
[INFO] [stdout]                                at /rustc/d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2/library/std/src/panicking.rs:401:40
[INFO] [stdout]   34:     0x560270a7b5f8 - std::panicking::try::ha9007ede9d35dcd6
[INFO] [stdout]                                at /rustc/d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2/library/std/src/panicking.rs:365:19
[INFO] [stdout]   35:     0x560270a7b5f8 - std::panic::catch_unwind::hf60d56329ebbb81c
[INFO] [stdout]                                at /rustc/d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2/library/std/src/panic.rs:434:14
[INFO] [stdout]   36:     0x560270a7b5f8 - std::thread::Builder::spawn_unchecked::{{closure}}::hb1722d498f4ce777
[INFO] [stdout]                                at /rustc/d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2/library/std/src/thread/mod.rs:475:30
[INFO] [stdout]   37:     0x560270a7b5f8 - core::ops::function::FnOnce::call_once{{vtable.shim}}::h15eb01325730c962
[INFO] [stdout]                                at /rustc/d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2/library/core/src/ops/function.rs:227:5
[INFO] [stdout]   38:     0x560270d47cf7 - <alloc::boxed::Box<F,A> as core::ops::function::FnOnce<Args>>::call_once::h09f167e08fc945ff
[INFO] [stdout]                                at /rustc/d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2/library/alloc/src/boxed.rs:1572:9
[INFO] [stdout]   39:     0x560270d47cf7 - <alloc::boxed::Box<F,A> as core::ops::function::FnOnce<Args>>::call_once::hf814fe85eeb118e0
[INFO] [stdout]                                at /rustc/d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2/library/alloc/src/boxed.rs:1572:9
[INFO] [stdout]   40:     0x560270d47cf7 - std::sys::unix::thread::Thread::new::thread_start::hb71b17934c5f5e68
[INFO] [stdout]                                at /rustc/d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2/library/std/src/sys/unix/thread.rs:91:17
[INFO] [stdout]   41:     0x7f8be5132609 - start_thread
[INFO] [stdout]   42:     0x7f8be4f08293 - clone
[INFO] [stdout]   43:                0x0 - <unknown>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout]     tests::collect_titles
[INFO] [stdout]     tests::connection_tree
[INFO] [stdout]     tests::get_ids
[INFO] [stdout]     tests::get_title
[INFO] [stdout] 
[INFO] [stdout] test result: FAILED. 0 passed; 4 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.82s
[INFO] [stdout] 
[INFO] [stderr] error: test failed, to rerun pass '--lib'
[INFO] running `Command { std: "docker" "inspect" "fa11f4c281ccd50d25f6456b2103939cf4aedcb9ba677aa08fab7fd88a0265f1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fa11f4c281ccd50d25f6456b2103939cf4aedcb9ba677aa08fab7fd88a0265f1", kill_on_drop: false }`
[INFO] [stdout] fa11f4c281ccd50d25f6456b2103939cf4aedcb9ba677aa08fab7fd88a0265f1