[INFO] fetching crate maelstrom-layer-fs 0.8.0...
[INFO] testing maelstrom-layer-fs-0.8.0 against master#1871252fc8bb672d40787e67404e6eaae7059369 for pr-125151
[INFO] extracting crate maelstrom-layer-fs 0.8.0 into /workspace/builds/worker-5-tc1/source
[INFO] validating manifest of crates.io crate maelstrom-layer-fs 0.8.0 on toolchain 1871252fc8bb672d40787e67404e6eaae7059369
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1871252fc8bb672d40787e67404e6eaae7059369" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate maelstrom-layer-fs 0.8.0
[INFO] finished tweaking crates.io crate maelstrom-layer-fs 0.8.0
[INFO] tweaked toml for crates.io crate maelstrom-layer-fs 0.8.0 written to /workspace/builds/worker-5-tc1/source/Cargo.toml
[INFO] crate crates.io crate maelstrom-layer-fs 0.8.0 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1871252fc8bb672d40787e67404e6eaae7059369" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded tokio-tar v0.3.1
[INFO] [stderr]   Downloaded lddtree v0.3.4
[INFO] [stderr]   Downloaded nonempty v0.8.1
[INFO] [stderr]   Downloaded scroll_derive v0.12.0
[INFO] [stderr]   Downloaded bytesize-serde v0.2.1
[INFO] [stderr]   Downloaded anyhow_trace v0.1.3
[INFO] [stderr]   Downloaded maelstrom-linux v0.8.0
[INFO] [stderr]   Downloaded maelstrom-base v0.8.0
[INFO] [stderr]   Downloaded scroll v0.12.0
[INFO] [stderr]   Downloaded page_size v0.6.0
[INFO] [stderr]   Downloaded maelstrom-fuse v0.8.0
[INFO] [stderr]   Downloaded goblin v0.8.0
[INFO] [stderr]   Downloaded async-walkdir v1.0.0
[INFO] [stderr]   Downloaded maelstrom-util v0.8.0
[INFO] [stderr]   Downloaded slog-term v2.9.1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/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@sha256:59a85a07ab18ca8720692f8e61effa1c651d9e2ca591e072c2b212bb91a6b8b5" "/opt/rustwide/cargo-home/bin/cargo" "+1871252fc8bb672d40787e67404e6eaae7059369" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] efb3968226f0d514d3c4a052ee5cfe9a0a9611b8658d08fbac1849629aa7fe4e
[INFO] running `Command { std: "docker" "start" "-a" "efb3968226f0d514d3c4a052ee5cfe9a0a9611b8658d08fbac1849629aa7fe4e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "efb3968226f0d514d3c4a052ee5cfe9a0a9611b8658d08fbac1849629aa7fe4e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "efb3968226f0d514d3c4a052ee5cfe9a0a9611b8658d08fbac1849629aa7fe4e", kill_on_drop: false }`
[INFO] [stdout] efb3968226f0d514d3c4a052ee5cfe9a0a9611b8658d08fbac1849629aa7fe4e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/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" "RUSTDOCFLAGS=--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@sha256:59a85a07ab18ca8720692f8e61effa1c651d9e2ca591e072c2b212bb91a6b8b5" "/opt/rustwide/cargo-home/bin/cargo" "+1871252fc8bb672d40787e67404e6eaae7059369" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 2404c3cc7b308d73e2e48bebdb08303d84e12680fb017033ca42ef914b1a1dcc
[INFO] running `Command { std: "docker" "start" "-a" "2404c3cc7b308d73e2e48bebdb08303d84e12680fb017033ca42ef914b1a1dcc", kill_on_drop: false }`
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[INFO] [stderr]    Compiling regex v1.10.4
[INFO] [stderr]    Compiling darling_core v0.20.8
[INFO] [stderr]    Compiling serde_derive v1.0.198
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[INFO] [stderr]    Compiling tokio-macros v2.2.0
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[INFO] [stderr]    Compiling futures-macro v0.3.30
[INFO] [stderr]    Compiling enum-map-derive v0.17.0
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[INFO] [stderr]    Compiling pin-project-internal v1.1.5
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[INFO] [stderr]    Compiling async-trait v0.1.80
[INFO] [stderr]    Compiling anyhow_trace v0.1.3
[INFO] [stderr]    Compiling maelstrom-linux v0.8.0
[INFO] [stderr]    Compiling tokio v1.37.0
[INFO] [stderr]    Compiling scroll v0.12.0
[INFO] [stderr]    Compiling zerocopy v0.7.32
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[INFO] [stderr]    Compiling goblin v0.8.0
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[INFO] [stderr]    Compiling pin-project v1.1.5
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[INFO] [stderr]    Compiling darling v0.20.8
[INFO] [stderr]    Compiling enumset_derive v0.8.1
[INFO] [stderr]    Compiling serde_with_macros v3.7.0
[INFO] [stderr]    Compiling indexmap v2.2.6
[INFO] [stderr]    Compiling lru v0.12.3
[INFO] [stderr]    Compiling futures-executor v0.3.30
[INFO] [stderr]    Compiling futures v0.3.30
[INFO] [stderr]    Compiling lddtree v0.3.4
[INFO] [stderr]    Compiling tokio-stream v0.1.15
[INFO] [stderr]    Compiling tokio-tar v0.3.1
[INFO] [stderr]    Compiling toml_datetime v0.6.5
[INFO] [stderr]    Compiling serde_spanned v0.6.5
[INFO] [stderr]    Compiling enum-map v2.7.3
[INFO] [stderr]    Compiling enumset v1.1.3
[INFO] [stderr]    Compiling bincode v1.3.3
[INFO] [stderr]    Compiling chrono v0.4.38
[INFO] [stderr]    Compiling nonempty v0.8.1
[INFO] [stderr]    Compiling bytesize-serde v0.2.1
[INFO] [stderr]    Compiling toml_edit v0.22.12
[INFO] [stderr]    Compiling maelstrom-base v0.8.0
[INFO] [stderr]    Compiling serde_with v3.7.0
[INFO] [stderr]    Compiling toml v0.8.12
[INFO] [stderr]    Compiling maelstrom-util v0.8.0
[INFO] [stderr]    Compiling maelstrom-fuse v0.8.0
[INFO] [stderr]    Compiling maelstrom-layer-fs v0.8.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 18.25s
[INFO] running `Command { std: "docker" "inspect" "2404c3cc7b308d73e2e48bebdb08303d84e12680fb017033ca42ef914b1a1dcc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2404c3cc7b308d73e2e48bebdb08303d84e12680fb017033ca42ef914b1a1dcc", kill_on_drop: false }`
[INFO] [stdout] 2404c3cc7b308d73e2e48bebdb08303d84e12680fb017033ca42ef914b1a1dcc
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/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" "RUSTDOCFLAGS=--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@sha256:59a85a07ab18ca8720692f8e61effa1c651d9e2ca591e072c2b212bb91a6b8b5" "/opt/rustwide/cargo-home/bin/cargo" "+1871252fc8bb672d40787e67404e6eaae7059369" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 88682d6592088bfb94853f0686880c840d71daf97620363e0cf5334c0747e3ad
[INFO] running `Command { std: "docker" "start" "-a" "88682d6592088bfb94853f0686880c840d71daf97620363e0cf5334c0747e3ad", kill_on_drop: false }`
[INFO] [stderr]    Compiling tempfile v3.10.1
[INFO] [stderr]    Compiling maelstrom-layer-fs v0.8.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 6.90s
[INFO] running `Command { std: "docker" "inspect" "88682d6592088bfb94853f0686880c840d71daf97620363e0cf5334c0747e3ad", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "88682d6592088bfb94853f0686880c840d71daf97620363e0cf5334c0747e3ad", kill_on_drop: false }`
[INFO] [stdout] 88682d6592088bfb94853f0686880c840d71daf97620363e0cf5334c0747e3ad
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/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" "RUSTDOCFLAGS=--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@sha256:59a85a07ab18ca8720692f8e61effa1c651d9e2ca591e072c2b212bb91a6b8b5" "/opt/rustwide/cargo-home/bin/cargo" "+1871252fc8bb672d40787e67404e6eaae7059369" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 83de248582ffadf719cebe9edd32f489430d75a254e6b249a00844738381970c
[INFO] running `Command { std: "docker" "start" "-a" "83de248582ffadf719cebe9edd32f489430d75a254e6b249a00844738381970c", kill_on_drop: false }`
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.21s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/maelstrom_layer_fs-9eaada0f4ebc4571)
[INFO] [stdout] 
[INFO] [stdout] running 27 tests
[INFO] [stdout] test avl::avl_node_encoding_size_remains_same ... ok
[INFO] [stdout] test avl::tests::get_not_found ... ok
[INFO] [stdout] test avl::tests::update_if_exists ... ok
[INFO] [stdout] test avl::tests::insert_iter_get ... ok
[INFO] [stdout] test tests::read_digest ... FAILED
[INFO] [stdout] test tests::hard_link ... FAILED
[INFO] [stdout] test tests::read_dir_and_look_up ... FAILED
[INFO] [stdout] test tests::get_attr ... FAILED
[INFO] [stdout] test tests::read_dir_multi_level ... FAILED
[INFO] [stdout] test tests::read_link ... FAILED
[INFO] [stdout] test tests::read_inline ... FAILED
[INFO] [stdout] test tests::layer_from_manifest ... FAILED
[INFO] [stdout] test tests::layer_from_tar ... FAILED
[INFO] [stdout] test tests::two_layer_empty_top ... FAILED
[INFO] [stdout] test tests::two_layer_large_bottom_dir ... FAILED
[INFO] [stdout] test tests::two_layer_empty_bottom ... FAILED
[INFO] [stdout] test tests::layer_from_manifest_with_whiteout_and_opaque_dir ... FAILED
[INFO] [stdout] test tests::layer_from_tar_with_whiteout_and_opaque_dir ... FAILED
[INFO] [stdout] test tests::two_layer_replace_dir_with_file ... FAILED
[INFO] [stdout] test tests::two_layer_replace_file_with_dir ... FAILED
[INFO] [stdout] test tests::two_layer_complicated ... FAILED
[INFO] [stdout] test tests::two_layer_with_whiteout_of_hardlink ... FAILED
[INFO] [stdout] test tests::two_layer_with_whiteout_of_directory ... FAILED
[INFO] [stdout] test tests::two_layer_large_upper_dir ... FAILED
[INFO] [stdout] test tests::two_layer_with_whiteout_of_file ... FAILED
[INFO] [stdout] test tests::three_layer ... FAILED
[INFO] [stdout] test tests::two_layer_with_opaque_directory ... FAILED
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout] 
[INFO] [stdout] ---- tests::read_digest stdout ----
[INFO] [stdout] May 25 05:23:31.920 DEBG mounting FUSE file-system in namespace
[INFO] [stdout] thread 'tests::read_digest' panicked at src/lib.rs:1178:18:
[INFO] [stdout] called `Result::unwrap()` on an `Err` value: ENOSYS: Function not implemented
[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/index.crates.io-6f17d22bba15001f/anyhow-1.0.82/src/backtrace.rs:27:14
[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/1871252fc8bb672d40787e67404e6eaae7059369/library/core/src/result.rs:1964:27
[INFO] [stdout]    2: maelstrom_fuse::fuse_mount_namespace::{{closure}}::{{closure}}
[INFO] [stdout]              at /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/maelstrom-fuse-0.8.0/src/lib.rs:127:27
[INFO] [stdout]    3: <tokio::runtime::blocking::task::BlockingTask<T> as core::future::future::Future>::poll
[INFO] [stdout]              at /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/tokio-1.37.0/src/runtime/blocking/task.rs:42:21
[INFO] [stdout]    4: tokio::runtime::task::core::Core<T,S>::poll::{{closure}}
[INFO] [stdout]              at /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/tokio-1.37.0/src/runtime/task/core.rs:328:17
[INFO] [stdout]    5: tokio::loom::std::unsafe_cell::UnsafeCell<T>::with_mut
[INFO] [stdout]              at /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/tokio-1.37.0/src/loom/std/unsafe_cell.rs:16:9
[INFO] [stdout]    6: tokio::runtime::task::core::Core<T,S>::poll
[INFO] [stdout]              at /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/tokio-1.37.0/src/runtime/task/core.rs:317:13
[INFO] [stdout]    7: tokio::runtime::task::harness::poll_future::{{closure}}
[INFO] [stdout]              at /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/tokio-1.37.0/src/runtime/task/harness.rs:485:19
[INFO] [stdout]    8: <core::panic::unwind_safe::AssertUnwindSafe<F> as core::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]              at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/core/src/panic/unwind_safe.rs:272:9
[INFO] [stdout]    9: std::panicking::try::do_call
[INFO] [stdout]              at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/std/src/panicking.rs:559:40
[INFO] [stdout]   10: __rust_try
[INFO] [stdout]   11: std::panicking::try
[INFO] [stdout]              at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/std/src/panicking.rs:523:19
[INFO] [stdout]   12: std::panic::catch_unwind
[INFO] [stdout]              at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/std/src/panic.rs:149:14
[INFO] [stdout]   13: tokio::runtime::task::harness::poll_future
[INFO] [stdout]              at /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/tokio-1.37.0/src/runtime/task/harness.rs:473:18
[INFO] [stdout]   14: tokio::runtime::task::harness::Harness<T,S>::poll_inner
[INFO] [stdout]              at /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/tokio-1.37.0/src/runtime/task/harness.rs:208:27
[INFO] [stdout]   15: tokio::runtime::task::harness::Harness<T,S>::poll
[INFO] [stdout]              at /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/tokio-1.37.0/src/runtime/task/harness.rs:153:15
[INFO] [stdout]   16: tokio::runtime::task::raw::poll
[INFO] [stdout]              at /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/tokio-1.37.0/src/runtime/task/raw.rs:271:5
[INFO] [stdout]   17: tokio::runtime::task::raw::RawTask::poll
[INFO] [stdout]              at /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/tokio-1.37.0/src/runtime/task/raw.rs:201:18
[INFO] [stdout]   18: tokio::runtime::task::UnownedTask<S>::run
[INFO] [stdout]              at /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/tokio-1.37.0/src/runtime/task/mod.rs:464:9
[INFO] [stdout]   19: tokio::runtime::blocking::pool::Task::run
[INFO] [stdout]              at /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/tokio-1.37.0/src/runtime/blocking/pool.rs:159:9
[INFO] [stdout]   20: tokio::runtime::blocking::pool::Inner::run
[INFO] [stdout]              at /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/tokio-1.37.0/src/runtime/blocking/pool.rs:513:17
[INFO] [stdout]   21: tokio::runtime::blocking::pool::Spawner::spawn_thread::{{closure}}
[INFO] [stdout]              at /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/tokio-1.37.0/src/runtime/blocking/pool.rs:471:13
[INFO] [stdout]   22: std::sys_common::backtrace::__rust_begin_short_backtrace
[INFO] [stdout]              at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/std/src/sys_common/backtrace.rs:155:18
[INFO] [stdout]   23: std::thread::Builder::spawn_unchecked_::{{closure}}::{{closure}}
[INFO] [stdout]              at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/std/src/thread/mod.rs:542:17
[INFO] [stdout]   24: <core::panic::unwind_safe::AssertUnwindSafe<F> as core::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]              at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/core/src/panic/unwind_safe.rs:272:9
[INFO] [stdout]   25: std::panicking::try::do_call
[INFO] [stdout]              at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/std/src/panicking.rs:559:40
[INFO] [stdout]   26: __rust_try
[INFO] [stdout]   27: std::panicking::try
[INFO] [stdout]              at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/std/src/panicking.rs:523:19
[INFO] [stdout]   28: std::panic::catch_unwind
[INFO] [stdout]              at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/std/src/panic.rs:149:14
[INFO] [stdout]   29: std::thread::Builder::spawn_unchecked_::{{closure}}
[INFO] [stdout]              at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/std/src/thread/mod.rs:541:30
[INFO] [stdout]   30: core::ops::function::FnOnce::call_once{{vtable.shim}}
[INFO] [stdout]              at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   31: <alloc::boxed::Box<F,A> as core::ops::function::FnOnce<Args>>::call_once
[INFO] [stdout]              at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/alloc/src/boxed.rs:2022:9
[INFO] [stdout]   32: <alloc::boxed::Box<F,A> as core::ops::function::FnOnce<Args>>::call_once
[INFO] [stdout]              at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/alloc/src/boxed.rs:2022:9
[INFO] [stdout]   33: std::sys::pal::unix::thread::Thread::new::thread_start
[INFO] [stdout]              at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/std/src/sys/pal/unix/thread.rs:108:17
[INFO] [stdout]   34: <unknown>
[INFO] [stdout]   35: __clone
[INFO] [stdout] stack backtrace:
[INFO] [stdout]    0:     0x5567fa98e315 - std::backtrace_rs::backtrace::libunwind::trace::h59d96bdb08384354
[INFO] [stdout]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/std/src/../../backtrace/src/backtrace/libunwind.rs:105:5
[INFO] [stdout]    1:     0x5567fa98e315 - std::backtrace_rs::backtrace::trace_unsynchronized::h9cf5becacfc93fba
[INFO] [stdout]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/std/src/../../backtrace/src/backtrace/mod.rs:66:5
[INFO] [stdout]    2:     0x5567fa98e315 - std::sys_common::backtrace::_print_fmt::h10b76d10405dbd48
[INFO] [stdout]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/std/src/sys_common/backtrace.rs:68:5
[INFO] [stdout]    3:     0x5567fa98e315 - <std::sys_common::backtrace::_print::DisplayBacktrace as core::fmt::Display>::fmt::h6ed9e62a156d84e4
[INFO] [stdout]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/std/src/sys_common/backtrace.rs:44:22
[INFO] [stdout]    4:     0x5567fa9b767b - core::fmt::rt::Argument::fmt::h645c680983f03c9f
[INFO] [stdout]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/core/src/fmt/rt.rs:165:63
[INFO] [stdout]    5:     0x5567fa9b767b - core::fmt::write::h8bcd80919a02be29
[INFO] [stdout]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/core/src/fmt/mod.rs:1169:21
[INFO] [stdout]    6:     0x5567fa98b51f - std::io::Write::write_fmt::h8d0c47c662cad79c
[INFO] [stdout]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/std/src/io/mod.rs:1835:15
[INFO] [stdout]    7:     0x5567fa98e0ee - std::sys_common::backtrace::_print::h6306f131a28d62b0
[INFO] [stdout]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/std/src/sys_common/backtrace.rs:47:5
[INFO] [stdout]    8:     0x5567fa98e0ee - std::sys_common::backtrace::print::h7079288e0a26dfcc
[INFO] [stdout]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/std/src/sys_common/backtrace.rs:34:9
[INFO] [stdout]    9:     0x5567fa98fb19 - std::panicking::default_hook::{{closure}}::hb063ecec81a736ba
[INFO] [stdout]   10:     0x5567fa98f7de - std::panicking::default_hook::hd56ee406bf547b5c
[INFO] [stdout]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/std/src/panicking.rs:295:9
[INFO] [stdout]   11:     0x5567fa79cf5a - <alloc::boxed::Box<F,A> as core::ops::function::Fn<Args>>::call::he5eacdef44c8728f
[INFO] [stdout]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/alloc/src/boxed.rs:2036:9
[INFO] [stdout]   12:     0x5567fa79cf5a - test::test_main::{{closure}}::h0ec9aed229e79095
[INFO] [stdout]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/test/src/lib.rs:137:21
[INFO] [stdout]   13:     0x5567fa99011b - <alloc::boxed::Box<F,A> as core::ops::function::Fn<Args>>::call::hcbd0d80e1ad4e4f9
[INFO] [stdout]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/alloc/src/boxed.rs:2036:9
[INFO] [stdout]   14:     0x5567fa99011b - std::panicking::rust_panic_with_hook::h624aa3ca42ebb8f2
[INFO] [stdout]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/std/src/panicking.rs:799:13
[INFO] [stdout]   15:     0x5567fa98fe94 - std::panicking::begin_panic_handler::{{closure}}::hbc4e76194a5e287c
[INFO] [stdout]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/std/src/panicking.rs:664:13
[INFO] [stdout]   16:     0x5567fa98e7d9 - std::sys_common::backtrace::__rust_end_short_backtrace::h847fedc9d1ff7b6d
[INFO] [stdout]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/std/src/sys_common/backtrace.rs:171:18
[INFO] [stdout]   17:     0x5567fa98fbc7 - rust_begin_unwind
[INFO] [stdout]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/std/src/panicking.rs:652:5
[INFO] [stdout]   18:     0x5567fa4f72d3 - core::panicking::panic_fmt::hec11a924b87ce965
[INFO] [stdout]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/core/src/panicking.rs:72:14
[INFO] [stdout]   19:     0x5567fa4f7826 - core::result::unwrap_failed::h382691b96ca8c13a
[INFO] [stdout]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/core/src/result.rs:1654:5
[INFO] [stdout]   20:     0x5567fa74823a - core::result::Result<T,E>::unwrap::hf3b0b9adefa17504
[INFO] [stdout]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/core/src/result.rs:1077:23
[INFO] [stdout]   21:     0x5567fa74823a - maelstrom_layer_fs::tests::Fixture::mount::{{closure}}::h688ac20af9e777e3
[INFO] [stdout]                                at /opt/rustwide/workdir/src/lib.rs:1175:13
[INFO] [stdout]   22:     0x5567fa7599a1 - maelstrom_layer_fs::tests::read_digest::{{closure}}::h5ea355b66134cda9
[INFO] [stdout]                                at /opt/rustwide/workdir/src/lib.rs:1384:48
[INFO] [stdout]   23:     0x5567fa599dc2 - <core::pin::Pin<P> as core::future::future::Future>::poll::h58377329fe1be409
[INFO] [stdout]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/core/src/future/future.rs:123:9
[INFO] [stdout]   24:     0x5567fa599e5d - <core::pin::Pin<P> as core::future::future::Future>::poll::h9848842023914f90
[INFO] [stdout]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/core/src/future/future.rs:123:9
[INFO] [stdout]   25:     0x5567fa712bcf - tokio::runtime::scheduler::current_thread::CoreGuard::block_on::{{closure}}::{{closure}}::{{closure}}::hac502fe9d0c8ca72
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/tokio-1.37.0/src/runtime/scheduler/current_thread/mod.rs:659:57
[INFO] [stdout]   26:     0x5567fa712b15 - tokio::runtime::coop::with_budget::h5772473feedf75e6
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/tokio-1.37.0/src/runtime/coop.rs:107:5
[INFO] [stdout]   27:     0x5567fa712b15 - tokio::runtime::coop::budget::h1cedff380d0d76fe
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/tokio-1.37.0/src/runtime/coop.rs:73:5
[INFO] [stdout]   28:     0x5567fa712b15 - tokio::runtime::scheduler::current_thread::CoreGuard::block_on::{{closure}}::{{closure}}::h8c4e90f535c36b70
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/tokio-1.37.0/src/runtime/scheduler/current_thread/mod.rs:659:25
[INFO] [stdout]   29:     0x5567fa7118e0 - tokio::runtime::scheduler::current_thread::Context::enter::ha7498cf055706cab
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/tokio-1.37.0/src/runtime/scheduler/current_thread/mod.rs:404:19
[INFO] [stdout]   30:     0x5567fa71238b - tokio::runtime::scheduler::current_thread::CoreGuard::block_on::{{closure}}::h2b9b5f0577e897e9
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/tokio-1.37.0/src/runtime/scheduler/current_thread/mod.rs:658:36
[INFO] [stdout]   31:     0x5567fa712104 - tokio::runtime::scheduler::current_thread::CoreGuard::enter::{{closure}}::h56418ae36458e166
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/tokio-1.37.0/src/runtime/scheduler/current_thread/mod.rs:737:68
[INFO] [stdout]   32:     0x5567fa61277b - tokio::runtime::context::scoped::Scoped<T>::set::h7aa088ea4c80d610
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/tokio-1.37.0/src/runtime/context/scoped.rs:40:9
[INFO] [stdout]   33:     0x5567fa637809 - tokio::runtime::context::set_scheduler::{{closure}}::h94afc82b84f19872
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/tokio-1.37.0/src/runtime/context.rs:176:26
[INFO] [stdout]   34:     0x5567fa736ae0 - std::thread::local::LocalKey<T>::try_with::ha55e4718acbc58e5
[INFO] [stdout]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/std/src/thread/local.rs:286:12
[INFO] [stdout]   35:     0x5567fa7357da - std::thread::local::LocalKey<T>::with::h6754b1d50501e148
[INFO] [stdout]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/std/src/thread/local.rs:262:9
[INFO] [stdout]   36:     0x5567fa6377bd - tokio::runtime::context::set_scheduler::ha0fadfb0270ced03
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/tokio-1.37.0/src/runtime/context.rs:176:9
[INFO] [stdout]   37:     0x5567fa711eb0 - tokio::runtime::scheduler::current_thread::CoreGuard::enter::h387c7036b2984b21
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/tokio-1.37.0/src/runtime/scheduler/current_thread/mod.rs:737:27
[INFO] [stdout]   38:     0x5567fa712123 - tokio::runtime::scheduler::current_thread::CoreGuard::block_on::h3b5a535448cb2a21
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/tokio-1.37.0/src/runtime/scheduler/current_thread/mod.rs:646:19
[INFO] [stdout]   39:     0x5567fa70edcd - tokio::runtime::scheduler::current_thread::CurrentThread::block_on::{{closure}}::h1f48cb6748fafaa3
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/tokio-1.37.0/src/runtime/scheduler/current_thread/mod.rs:175:28
[INFO] [stdout]   40:     0x5567fa6128f6 - tokio::runtime::context::runtime::enter_runtime::h846190051fdbaffa
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/tokio-1.37.0/src/runtime/context/runtime.rs:65:16
[INFO] [stdout]   41:     0x5567fa70ece1 - tokio::runtime::scheduler::current_thread::CurrentThread::block_on::hcf7c6cc1d46a8f78
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/tokio-1.37.0/src/runtime/scheduler/current_thread/mod.rs:167:9
[INFO] [stdout]   42:     0x5567fa5998dd - tokio::runtime::runtime::Runtime::block_on::h6348c955ebacc02c
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/tokio-1.37.0/src/runtime/runtime.rs:349:47
[INFO] [stdout]   43:     0x5567fa759050 - maelstrom_layer_fs::tests::read_digest::hab7e07da1640ac9f
[INFO] [stdout]                                at /opt/rustwide/workdir/src/lib.rs:1397:9
[INFO] [stdout]   44:     0x5567fa758ee7 - maelstrom_layer_fs::tests::read_digest::{{closure}}::h0bea166f171dfef2
[INFO] [stdout]                                at /opt/rustwide/workdir/src/lib.rs:1372:27
[INFO] [stdout]   45:     0x5567fa4fb406 - core::ops::function::FnOnce::call_once::hae8a2527a862629b
[INFO] [stdout]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   46:     0x5567fa7a193b - core::ops::function::FnOnce::call_once::h2e43a8f6f3d94b99
[INFO] [stdout]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   47:     0x5567fa7a193b - test::__rust_begin_short_backtrace::h214c9f2d2d3fee90
[INFO] [stdout]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/test/src/lib.rs:625:18
[INFO] [stdout]   48:     0x5567fa7a1041 - test::run_test_in_process::{{closure}}::h510b7ba7990692a5
[INFO] [stdout]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/test/src/lib.rs:648:60
[INFO] [stdout]   49:     0x5567fa7a1041 - <core::panic::unwind_safe::AssertUnwindSafe<F> as core::ops::function::FnOnce<()>>::call_once::h4157186197a93871
[INFO] [stdout]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/core/src/panic/unwind_safe.rs:272:9
[INFO] [stdout]   50:     0x5567fa7a1041 - std::panicking::try::do_call::h1bf2463bccd4b28c
[INFO] [stdout]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/std/src/panicking.rs:559:40
[INFO] [stdout]   51:     0x5567fa7a1041 - std::panicking::try::hd6d4808c9fab4fa5
[INFO] [stdout]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/std/src/panicking.rs:523:19
[INFO] [stdout]   52:     0x5567fa7a1041 - std::panic::catch_unwind::hd5641d97d123f9f2
[INFO] [stdout]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/std/src/panic.rs:149:14
[INFO] [stdout]   53:     0x5567fa7a1041 - test::run_test_in_process::hc273b71c8b878a4c
[INFO] [stdout]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/test/src/lib.rs:648:27
[INFO] [stdout]   54:     0x5567fa7a1041 - test::run_test::{{closure}}::h6838df834eb8467e
[INFO] [stdout]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/test/src/lib.rs:569:43
[INFO] [stdout]   55:     0x5567fa769a04 - test::run_test::{{closure}}::h608b98ecff5665fb
[INFO] [stdout]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/test/src/lib.rs:599:41
[INFO] [stdout]   56:     0x5567fa769a04 - std::sys_common::backtrace::__rust_begin_short_backtrace::hdc4182b97d1042e9
[INFO] [stdout]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/std/src/sys_common/backtrace.rs:155:18
[INFO] [stdout]   57:     0x5567fa76e432 - std::thread::Builder::spawn_unchecked_::{{closure}}::{{closure}}::h571773fd21d674c8
[INFO] [stdout]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/std/src/thread/mod.rs:542:17
[INFO] [stdout]   58:     0x5567fa76e432 - <core::panic::unwind_safe::AssertUnwindSafe<F> as core::ops::function::FnOnce<()>>::call_once::hdcd384cf2fa70ba3
[INFO] [stdout]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/core/src/panic/unwind_safe.rs:272:9
[INFO] [stdout]   59:     0x5567fa76e432 - std::panicking::try::do_call::h4f1a44bd81423be1
[INFO] [stdout]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/std/src/panicking.rs:559:40
[INFO] [stdout]   60:     0x5567fa76e432 - std::panicking::try::h5e02afcb81dcd361
[INFO] [stdout]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/std/src/panicking.rs:523:19
[INFO] [stdout]   61:     0x5567fa76e432 - std::panic::catch_unwind::h022f75775bfd8c45
[INFO] [stdout]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/std/src/panic.rs:149:14
[INFO] [stdout]   62:     0x5567fa76e432 - std::thread::Builder::spawn_unchecked_::{{closure}}::hf5a62e9e4e6df1f8
[INFO] [stdout]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/std/src/thread/mod.rs:541:30
[INFO] [stdout]   63:     0x5567fa76e432 - core::ops::function::FnOnce::call_once{{vtable.shim}}::h6d56360aeb9509a7
[INFO] [stdout]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   64:     0x5567fa995cab - <alloc::boxed::Box<F,A> as core::ops::function::FnOnce<Args>>::call_once::h7a343dc551c06baa
[INFO] [stdout]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/alloc/src/boxed.rs:2022:9
[INFO] [stdout]   65:     0x5567fa995cab - <alloc::boxed::Box<F,A> as core::ops::function::FnOnce<Args>>::call_once::h30b8111cbaa644f3
[INFO] [stdout]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/alloc/src/boxed.rs:2022:9
[INFO] [stdout]   66:     0x5567fa995cab - std::sys::pal::unix::thread::Thread::new::thread_start::h7404e134e61e7a11
[INFO] [stdout]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/std/src/sys/pal/unix/thread.rs:108:17
[INFO] [stdout]   67:     0x7f8ed1606ac3 - <unknown>
[INFO] [stdout]   68:     0x7f8ed1697a04 - __clone
[INFO] [stdout]   69:                0x0 - <unknown>
[INFO] [stdout] 
[INFO] [stdout] ---- tests::hard_link stdout ----
[INFO] [stdout] May 25 05:23:31.921 DEBG mounting FUSE file-system in namespace
[INFO] [stdout] thread 'tests::hard_link' panicked at src/lib.rs:1178:18:
[INFO] [stdout] called `Result::unwrap()` on an `Err` value: ENOSYS: Function not implemented
[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/index.crates.io-6f17d22bba15001f/anyhow-1.0.82/src/backtrace.rs:27:14
[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/1871252fc8bb672d40787e67404e6eaae7059369/library/core/src/result.rs:1964:27
[INFO] [stdout]    2: maelstrom_fuse::fuse_mount_namespace::{{closure}}::{{closure}}
[INFO] [stdout]              at /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/maelstrom-fuse-0.8.0/src/lib.rs:127:27
[INFO] [stdout]    3: <tokio::runtime::blocking::task::BlockingTask<T> as core::future::future::Future>::poll
[INFO] [stdout]              at /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/tokio-1.37.0/src/runtime/blocking/task.rs:42:21
[INFO] [stdout]    4: tokio::runtime::task::core::Core<T,S>::poll::{{closure}}
[INFO] [stdout]              at /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/tokio-1.37.0/src/runtime/task/core.rs:328:17
[INFO] [stdout]    5: tokio::loom::std::unsafe_cell::UnsafeCell<T>::with_mut
[INFO] [stdout]              at /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/tokio-1.37.0/src/loom/std/unsafe_cell.rs:16:9
[INFO] [stdout]    6: tokio::runtime::task::core::Core<T,S>::poll
[INFO] [stdout]              at /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/tokio-1.37.0/src/runtime/task/core.rs:317:13
[INFO] [stdout]    7: tokio::runtime::task::harness::poll_future::{{closure}}
[INFO] [stdout]              at /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/tokio-1.37.0/src/runtime/task/harness.rs:485:19
[INFO] [stdout]    8: <core::panic::unwind_safe::AssertUnwindSafe<F> as core::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]              at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/core/src/panic/unwind_safe.rs:272:9
[INFO] [stdout]    9: std::panicking::try::do_call
[INFO] [stdout]              at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/std/src/panicking.rs:559:40
[INFO] [stdout]   10: __rust_try
[INFO] [stdout]   11: std::panicking::try
[INFO] [stdout]              at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/std/src/panicking.rs:523:19
[INFO] [stdout]   12: std::panic::catch_unwind
[INFO] [stdout]              at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/std/src/panic.rs:149:14
[INFO] [stdout]   13: tokio::runtime::task::harness::poll_future
[INFO] [stdout]              at /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/tokio-1.37.0/src/runtime/task/harness.rs:473:18
[INFO] [stdout]   14: tokio::runtime::task::harness::Harness<T,S>::poll_inner
[INFO] [stdout]              at /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/tokio-1.37.0/src/runtime/task/harness.rs:208:27
[INFO] [stdout]   15: tokio::runtime::task::harness::Harness<T,S>::poll
[INFO] [stdout]              at /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/tokio-1.37.0/src/runtime/task/harness.rs:153:15
[INFO] [stdout]   16: tokio::runtime::task::raw::poll
[INFO] [stdout]              at /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/tokio-1.37.0/src/runtime/task/raw.rs:271:5
[INFO] [stdout]   17: tokio::runtime::task::raw::RawTask::poll
[INFO] [stdout]              at /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/tokio-1.37.0/src/runtime/task/raw.rs:201:18
[INFO] [stdout]   18: tokio::runtime::task::UnownedTask<S>::run
[INFO] [stdout]              at /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/tokio-1.37.0/src/runtime/task/mod.rs:464:9
[INFO] [stdout]   19: tokio::runtime::blocking::pool::Task::run
[INFO] [stdout]              at /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/tokio-1.37.0/src/runtime/blocking/pool.rs:159:9
[INFO] [stdout]   20: tokio::runtime::blocking::pool::Inner::run
[INFO] [stdout]              at /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/tokio-1.37.0/src/runtime/blocking/pool.rs:513:17
[INFO] [stdout]   21: tokio::runtime::blocking::pool::Spawner::spawn_thread::{{closure}}
[INFO] [stdout]              at /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/tokio-1.37.0/src/runtime/blocking/pool.rs:471:13
[INFO] [stdout]   22: std::sys_common::backtrace::__rust_begin_short_backtrace
[INFO] [stdout]              at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/std/src/sys_common/backtrace.rs:155:18
[INFO] [stdout]   23: std::thread::Builder::spawn_unchecked_::{{closure}}::{{closure}}
[INFO] [stdout]              at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/std/src/thread/mod.rs:542:17
[INFO] [stdout]   24: <core::panic::unwind_safe::AssertUnwindSafe<F> as core::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]              at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/core/src/panic/unwind_safe.rs:272:9
[INFO] [stdout]   25: std::panicking::try::do_call
[INFO] [stdout]              at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/std/src/panicking.rs:559:40
[INFO] [stdout]   26: __rust_try
[INFO] [stdout]   27: std::panicking::try
[INFO] [stdout]              at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/std/src/panicking.rs:523:19
[INFO] [stdout]   28: std::panic::catch_unwind
[INFO] [stdout]              at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/std/src/panic.rs:149:14
[INFO] [stdout]   29: std::thread::Builder::spawn_unchecked_::{{closure}}
[INFO] [stdout]              at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/std/src/thread/mod.rs:541:30
[INFO] [stdout]   30: core::ops::function::FnOnce::call_once{{vtable.shim}}
[INFO] [stdout]              at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   31: <alloc::boxed::Box<F,A> as core::ops::function::FnOnce<Args>>::call_once
[INFO] [stdout]              at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/alloc/src/boxed.rs:2022:9
[INFO] [stdout]   32: <alloc::boxed::Box<F,A> as core::ops::function::FnOnce<Args>>::call_once
[INFO] [stdout]              at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/alloc/src/boxed.rs:2022:9
[INFO] [stdout]   33: std::sys::pal::unix::thread::Thread::new::thread_start
[INFO] [stdout]              at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/std/src/sys/pal/unix/thread.rs:108:17
[INFO] [stdout]   34: <unknown>
[INFO] [stdout]   35: __clone
[INFO] [stdout] stack backtrace:
[INFO] [stdout]    0:     0x5567fa98e315 - std::backtrace_rs::backtrace::libunwind::trace::h59d96bdb08384354
[INFO] [stdout]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/std/src/../../backtrace/src/backtrace/libunwind.rs:105:5
[INFO] [stdout]    1:     0x5567fa98e315 - std::backtrace_rs::backtrace::trace_unsynchronized::h9cf5becacfc93fba
[INFO] [stdout]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/std/src/../../backtrace/src/backtrace/mod.rs:66:5
[INFO] [stdout]    2:     0x5567fa98e315 - std::sys_common::backtrace::_print_fmt::h10b76d10405dbd48
[INFO] [stdout]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/std/src/sys_common/backtrace.rs:68:5
[INFO] [stdout]    3:     0x5567fa98e315 - <std::sys_common::backtrace::_print::DisplayBacktrace as core::fmt::Display>::fmt::h6ed9e62a156d84e4
[INFO] [stdout]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/std/src/sys_common/backtrace.rs:44:22
[INFO] [stdout]    4:     0x5567fa9b767b - core::fmt::rt::Argument::fmt::h645c680983f03c9f
[INFO] [stdout]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/core/src/fmt/rt.rs:165:63
[INFO] [stdout]    5:     0x5567fa9b767b - core::fmt::write::h8bcd80919a02be29
[INFO] [stdout]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/core/src/fmt/mod.rs:1169:21
[INFO] [stdout]    6:     0x5567fa98b51f - std::io::Write::write_fmt::h8d0c47c662cad79c
[INFO] [stdout]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/std/src/io/mod.rs:1835:15
[INFO] [stdout]    7:     0x5567fa98e0ee - std::sys_common::backtrace::_print::h6306f131a28d62b0
[INFO] [stdout]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/std/src/sys_common/backtrace.rs:47:5
[INFO] [stdout]    8:     0x5567fa98e0ee - std::sys_common::backtrace::print::h7079288e0a26dfcc
[INFO] [stdout]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/std/src/sys_common/backtrace.rs:34:9
[INFO] [stdout]    9:     0x5567fa98fb19 - std::panicking::default_hook::{{closure}}::hb063ecec81a736ba
[INFO] [stdout]   10:     0x5567fa98f7de - std::panicking::default_hook::hd56ee406bf547b5c
[INFO] [stdout]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/std/src/panicking.rs:295:9
[INFO] [stdout]   11:     0x5567fa79cf5a - <alloc::boxed::Box<F,A> as core::ops::function::Fn<Args>>::call::he5eacdef44c8728f
[INFO] [stdout]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/alloc/src/boxed.rs:2036:9
[INFO] [stdout]   12:     0x5567fa79cf5a - test::test_main::{{closure}}::h0ec9aed229e79095
[INFO] [stdout]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/test/src/lib.rs:137:21
[INFO] [stdout]   13:     0x5567fa99011b - <alloc::boxed::Box<F,A> as core::ops::function::Fn<Args>>::call::hcbd0d80e1ad4e4f9
[INFO] [stdout]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/alloc/src/boxed.rs:2036:9
[INFO] [stdout]   14:     0x5567fa99011b - std::panicking::rust_panic_with_hook::h624aa3ca42ebb8f2
[INFO] [stdout]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/std/src/panicking.rs:799:13
[INFO] [stdout]   15:     0x5567fa98fe94 - std::panicking::begin_panic_handler::{{closure}}::hbc4e76194a5e287c
[INFO] [stdout]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/std/src/panicking.rs:664:13
[INFO] [stdout]   16:     0x5567fa98e7d9 - std::sys_common::backtrace::__rust_end_short_backtrace::h847fedc9d1ff7b6d
[INFO] [stdout]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/std/src/sys_common/backtrace.rs:171:18
[INFO] [stdout]   17:     0x5567fa98fbc7 - rust_begin_unwind
[INFO] [stdout]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/std/src/panicking.rs:652:5
[INFO] [stdout]   18:     0x5567fa4f72d3 - core::panicking::panic_fmt::hec11a924b87ce965
[INFO] [stdout]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/core/src/panicking.rs:72:14
[INFO] [stdout]   19:     0x5567fa4f7826 - core::result::unwrap_failed::h382691b96ca8c13a
[INFO] [stdout]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/core/src/result.rs:1654:5
[INFO] [stdout]   20:     0x5567fa74823a - core::result::Result<T,E>::unwrap::hf3b0b9adefa17504
[INFO] [stdout]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/core/src/result.rs:1077:23
[INFO] [stdout]   21:     0x5567fa74823a - maelstrom_layer_fs::tests::Fixture::mount::{{closure}}::h688ac20af9e777e3
[INFO] [stdout]                                at /opt/rustwide/workdir/src/lib.rs:1175:13
[INFO] [stdout]   22:     0x5567fa756033 - maelstrom_layer_fs::tests::hard_link::{{closure}}::h09ad8d3560cd4b50
[INFO] [stdout]                                at /opt/rustwide/workdir/src/lib.rs:1289:48
[INFO] [stdout]   23:     0x5567fa599dc2 - <core::pin::Pin<P> as core::future::future::Future>::poll::h58377329fe1be409
[INFO] [stdout]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/core/src/future/future.rs:123:9
[INFO] [stdout]   24:     0x5567fa599e5d - <core::pin::Pin<P> as core::future::future::Future>::poll::h9848842023914f90
[INFO] [stdout]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/core/src/future/future.rs:123:9
[INFO] [stdout]   25:     0x5567fa712bcf - tokio::runtime::scheduler::current_thread::CoreGuard::block_on::{{closure}}::{{closure}}::{{closure}}::hac502fe9d0c8ca72
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/tokio-1.37.0/src/runtime/scheduler/current_thread/mod.rs:659:57
[INFO] [stdout]   26:     0x5567fa712b15 - tokio::runtime::coop::with_budget::h5772473feedf75e6
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/tokio-1.37.0/src/runtime/coop.rs:107:5
[INFO] [stdout]   27:     0x5567fa712b15 - tokio::runtime::coop::budget::h1cedff380d0d76fe
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/tokio-1.37.0/src/runtime/coop.rs:73:5
[INFO] [stdout]   28:     0x5567fa712b15 - tokio::runtime::scheduler::current_thread::CoreGuard::block_on::{{closure}}::{{closure}}::h8c4e90f535c36b70
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/tokio-1.37.0/src/runtime/scheduler/current_thread/mod.rs:659:25
[INFO] [stdout]   29:     0x5567fa7118e0 - tokio::runtime::scheduler::current_thread::Context::enter::ha7498cf055706cab
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/tokio-1.37.0/src/runtime/scheduler/current_thread/mod.rs:404:19
[INFO] [stdout]   30:     0x5567fa71238b - tokio::runtime::scheduler::current_thread::CoreGuard::block_on::{{closure}}::h2b9b5f0577e897e9
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/tokio-1.37.0/src/runtime/scheduler/current_thread/mod.rs:658:36
[INFO] [stdout]   31:     0x5567fa712104 - tokio::runtime::scheduler::current_thread::CoreGuard::enter::{{closure}}::h56418ae36458e166
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/tokio-1.37.0/src/runtime/scheduler/current_thread/mod.rs:737:68
[INFO] [stdout]   32:     0x5567fa61277b - tokio::runtime::context::scoped::Scoped<T>::set::h7aa088ea4c80d610
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/tokio-1.37.0/src/runtime/context/scoped.rs:40:9
[INFO] [stdout]   33:     0x5567fa637809 - tokio::runtime::context::set_scheduler::{{closure}}::h94afc82b84f19872
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/tokio-1.37.0/src/runtime/context.rs:176:26
[INFO] [stdout]   34:     0x5567fa736ae0 - std::thread::local::LocalKey<T>::try_with::ha55e4718acbc58e5
[INFO] [stdout]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/std/src/thread/local.rs:286:12
[INFO] [stdout]   35:     0x5567fa7357da - std::thread::local::LocalKey<T>::with::h6754b1d50501e148
[INFO] [stdout]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/std/src/thread/local.rs:262:9
[INFO] [stdout]   36:     0x5567fa6377bd - tokio::runtime::context::set_scheduler::ha0fadfb0270ced03
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/tokio-1.37.0/src/runtime/context.rs:176:9
[INFO] [stdout]   37:     0x5567fa711eb0 - tokio::runtime::scheduler::current_thread::CoreGuard::enter::h387c7036b2984b21
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/tokio-1.37.0/src/runtime/scheduler/current_thread/mod.rs:737:27
[INFO] [stdout]   38:     0x5567fa712123 - tokio::runtime::scheduler::current_thread::CoreGuard::block_on::h3b5a535448cb2a21
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/tokio-1.37.0/src/runtime/scheduler/current_thread/mod.rs:646:19
[INFO] [stdout]   39:     0x5567fa70edcd - tokio::runtime::scheduler::current_thread::CurrentThread::block_on::{{closure}}::h1f48cb6748fafaa3
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/tokio-1.37.0/src/runtime/scheduler/current_thread/mod.rs:175:28
[INFO] [stdout]   40:     0x5567fa6128f6 - tokio::runtime::context::runtime::enter_runtime::h846190051fdbaffa
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/tokio-1.37.0/src/runtime/context/runtime.rs:65:16
[INFO] [stdout]   41:     0x5567fa70ece1 - tokio::runtime::scheduler::current_thread::CurrentThread::block_on::hcf7c6cc1d46a8f78
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/tokio-1.37.0/src/runtime/scheduler/current_thread/mod.rs:167:9
[INFO] [stdout]   42:     0x5567fa5998dd - tokio::runtime::runtime::Runtime::block_on::h6348c955ebacc02c
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/tokio-1.37.0/src/runtime/runtime.rs:349:47
[INFO] [stdout]   43:     0x5567fa7557e0 - maelstrom_layer_fs::tests::hard_link::h86e37d9025946ee6
[INFO] [stdout]                                at /opt/rustwide/workdir/src/lib.rs:1310:9
[INFO] [stdout]   44:     0x5567fa755677 - maelstrom_layer_fs::tests::hard_link::{{closure}}::h9c26dd5ea28e1844
[INFO] [stdout]                                at /opt/rustwide/workdir/src/lib.rs:1278:25
[INFO] [stdout]   45:     0x5567fa4fbfb6 - core::ops::function::FnOnce::call_once::hd5bf8bb6310c74b2
[INFO] [stdout]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   46:     0x5567fa7a193b - core::ops::function::FnOnce::call_once::h2e43a8f6f3d94b99
[INFO] [stdout]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   47:     0x5567fa7a193b - test::__rust_begin_short_backtrace::h214c9f2d2d3fee90
[INFO] [stdout]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/test/src/lib.rs:625:18
[INFO] [stdout]   48:     0x5567fa7a1041 - test::run_test_in_process::{{closure}}::h510b7ba7990692a5
[INFO] [stdout]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/test/src/lib.rs:648:60
[INFO] [stdout]   49:     0x5567fa7a1041 - <core::panic::unwind_safe::AssertUnwindSafe<F> as core::ops::function::FnOnce<()>>::call_once::h4157186197a93871
[INFO] [stdout]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/core/src/panic/unwind_safe.rs:272:9
[INFO] [stdout]   50:     0x5567fa7a1041 - std::panicking::try::do_call::h1bf2463bccd4b28c
[INFO] [stdout]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/std/src/panicking.rs:559:40
[INFO] [stdout]   51:     0x5567fa7a1041 - std::panicking::try::hd6d4808c9fab4fa5
[INFO] [stdout]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/std/src/panicking.rs:523:19
[INFO] [stdout]   52:     0x5567fa7a1041 - std::panic::catch_unwind::hd5641d97d123f9f2
[INFO] [stdout]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/std/src/panic.rs:149:14
[INFO] [stdout]   53:     0x5567fa7a1041 - test::run_test_in_process::hc273b71c8b878a4c
[INFO] [stdout]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/test/src/lib.rs:648:27
[INFO] [stdout]   54:     0x5567fa7a1041 - test::run_test::{{closure}}::h6838df834eb8467e
[INFO] [stdout]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/test/src/lib.rs:569:43
[INFO] [stdout]   55:     0x5567fa769a04 - test::run_test::{{closure}}::h608b98ecff5665fb
[INFO] [stdout]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/test/src/lib.rs:599:41
[INFO] [stdout]   56:     0x5567fa769a04 - std::sys_common::backtrace::__rust_begin_short_backtrace::hdc4182b97d1042e9
[INFO] [stdout]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/std/src/sys_common/backtrace.rs:155:18
[INFO] [stdout]   57:     0x5567fa76e432 - std::thread::Builder::spawn_unchecked_::{{closure}}::{{closure}}::h571773fd21d674c8
[INFO] [stdout]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/std/src/thread/mod.rs:542:17
[INFO] [stdout]   58:     0x5567fa76e432 - <core::panic::unwind_safe::AssertUnwindSafe<F> as core::ops::function::FnOnce<()>>::call_once::hdcd384cf2fa70ba3
[INFO] [stdout]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/core/src/panic/unwind_safe.rs:272:9
[INFO] [stdout]   59:     0x5567fa76e432 - std::panicking::try::do_call::h4f1a44bd81423be1
[INFO] [stdout]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/std/src/panicking.rs:559:40
[INFO] [stdout]   60:     0x5567fa76e432 - std::panicking::try::h5e02afcb81dcd361
[INFO] [stdout]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/std/src/panicking.rs:523:19
[INFO] [stdout]   61:     0x5567fa76e432 - std::panic::catch_unwind::h022f75775bfd8c45
[INFO] [stdout]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/std/src/panic.rs:149:14
[INFO] [stdout]   62:     0x5567fa76e432 - std::thread::Builder::spawn_unchecked_::{{closure}}::hf5a62e9e4e6df1f8
[INFO] [stdout]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/std/src/thread/mod.rs:541:30
[INFO] [stdout]   63:     0x5567fa76e432 - core::ops::function::FnOnce::call_once{{vtable.shim}}::h6d56360aeb9509a7
[INFO] [stdout]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   64:     0x5567fa995cab - <alloc::boxed::Box<F,A> as core::ops::function::FnOnce<Args>>::call_once::h7a343dc551c06baa
[INFO] [stdout]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/alloc/src/boxed.rs:2022:9
[INFO] [stdout]   65:     0x5567fa995cab - <alloc::boxed::Box<F,A> as core::ops::function::FnOnce<Args>>::call_once::h30b8111cbaa644f3
[INFO] [stdout]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/alloc/src/boxed.rs:2022:9
[INFO] [stdout]   66:     0x5567fa995cab - std::sys::pal::unix::thread::Thread::new::thread_start::h7404e134e61e7a11
[INFO] [stdout]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/std/src/sys/pal/unix/thread.rs:108:17
[INFO] [stdout]   67:     0x7f8ed1606ac3 - <unknown>
[INFO] [stdout]   68:     0x7f8ed1697a04 - __clone
[INFO] [stdout]   69:                0x0 - <unknown>
[INFO] [stdout] 
[INFO] [stdout] ---- tests::read_dir_and_look_up stdout ----
[INFO] [stdout] May 25 05:23:31.986 DEBG mounting FUSE file-system in namespace
[INFO] [stdout] thread 'tests::read_dir_and_look_up' panicked at src/lib.rs:1178:18:
[INFO] [stdout] called `Result::unwrap()` on an `Err` value: ENOSYS: Function not implemented
[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/index.crates.io-6f17d22bba15001f/anyhow-1.0.82/src/backtrace.rs:27:14
[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/1871252fc8bb672d40787e67404e6eaae7059369/library/core/src/result.rs:1964:27
[INFO] [stdout]    2: maelstrom_fuse::fuse_mount_namespace::{{closure}}::{{closure}}
[INFO] [stdout]              at /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/maelstrom-fuse-0.8.0/src/lib.rs:127:27
[INFO] [stdout]    3: <tokio::runtime::blocking::task::BlockingTask<T> as core::future::future::Future>::poll
[INFO] [stdout]              at /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/tokio-1.37.0/src/runtime/blocking/task.rs:42:21
[INFO] [stdout]    4: tokio::runtime::task::core::Core<T,S>::poll::{{closure}}
[INFO] [stdout]              at /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/tokio-1.37.0/src/runtime/task/core.rs:328:17
[INFO] [stdout]    5: tokio::loom::std::unsafe_cell::UnsafeCell<T>::with_mut
[INFO] [stdout]              at /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/tokio-1.37.0/src/loom/std/unsafe_cell.rs:16:9
[INFO] [stdout]    6: tokio::runtime::task::core::Core<T,S>::poll
[INFO] [stdout]              at /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/tokio-1.37.0/src/runtime/task/core.rs:317:13
[INFO] [stdout]    7: tokio::runtime::task::harness::poll_future::{{closure}}
[INFO] [stdout]              at /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/tokio-1.37.0/src/runtime/task/harness.rs:485:19
[INFO] [stdout]    8: <core::panic::unwind_safe::AssertUnwindSafe<F> as core::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]              at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/core/src/panic/unwind_safe.rs:272:9
[INFO] [stdout]    9: std::panicking::try::do_call
[INFO] [stdout]              at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/std/src/panicking.rs:559:40
[INFO] [stdout]   10: __rust_try
[INFO] [stdout]   11: std::panicking::try
[INFO] [stdout]              at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/std/src/panicking.rs:523:19
[INFO] [stdout]   12: std::panic::catch_unwind
[INFO] [stdout]              at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/std/src/panic.rs:149:14
[INFO] [stdout]   13: tokio::runtime::task::harness::poll_future
[INFO] [stdout]              at /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/tokio-1.37.0/src/runtime/task/harness.rs:473:18
[INFO] [stdout]   14: tokio::runtime::task::harness::Harness<T,S>::poll_inner
[INFO] [stdout]              at /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/tokio-1.37.0/src/runtime/task/harness.rs:208:27
[INFO] [stdout]   15: tokio::runtime::task::harness::Harness<T,S>::poll
[INFO] [stdout]              at /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/tokio-1.37.0/src/runtime/task/harness.rs:153:15
[INFO] [stdout]   16: tokio::runtime::task::raw::poll
[INFO] [stdout]              at /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/tokio-1.37.0/src/runtime/task/raw.rs:271:5
[INFO] [stdout]   17: tokio::runtime::task::raw::RawTask::poll
[INFO] [stdout]              at /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/tokio-1.37.0/src/runtime/task/raw.rs:201:18
[INFO] [stdout]   18: tokio::runtime::task::UnownedTask<S>::run
[INFO] [stdout]              at /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/tokio-1.37.0/src/runtime/task/mod.rs:464:9
[INFO] [stdout]   19: tokio::runtime::blocking::pool::Task::run
[INFO] [stdout]              at /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/tokio-1.37.0/src/runtime/blocking/pool.rs:159:9
[INFO] [stdout]   20: tokio::runtime::blocking::pool::Inner::run
[INFO] [stdout]              at /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/tokio-1.37.0/src/runtime/blocking/pool.rs:513:17
[INFO] [stdout]   21: tokio::runtime::blocking::pool::Spawner::spawn_thread::{{closure}}
[INFO] [stdout]              at /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/tokio-1.37.0/src/runtime/blocking/pool.rs:471:13
[INFO] [stdout]   22: std::sys_common::backtrace::__rust_begin_short_backtrace
[INFO] [stdout]              at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/std/src/sys_common/backtrace.rs:155:18
[INFO] [stdout]   23: std::thread::Builder::spawn_unchecked_::{{closure}}::{{closure}}
[INFO] [stdout]              at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/std/src/thread/mod.rs:542:17
[INFO] [stdout]   24: <core::panic::unwind_safe::AssertUnwindSafe<F> as core::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]              at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/core/src/panic/unwind_safe.rs:272:9
[INFO] [stdout]   25: std::panicking::try::do_call
[INFO] [stdout]              at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/std/src/panicking.rs:559:40
[INFO] [stdout]   26: __rust_try
[INFO] [stdout]   27: std::panicking::try
[INFO] [stdout]              at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/std/src/panicking.rs:523:19
[INFO] [stdout]   28: std::panic::catch_unwind
[INFO] [stdout]              at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/std/src/panic.rs:149:14
[INFO] [stdout]   29: std::thread::Builder::spawn_unchecked_::{{closure}}
[INFO] [stdout]              at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/std/src/thread/mod.rs:541:30
[INFO] [stdout]   30: core::ops::function::FnOnce::call_once{{vtable.shim}}
[INFO] [stdout]              at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   31: <alloc::boxed::Box<F,A> as core::ops::function::FnOnce<Args>>::call_once
[INFO] [stdout]              at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/alloc/src/boxed.rs:2022:9
[INFO] [stdout]   32: <alloc::boxed::Box<F,A> as core::ops::function::FnOnce<Args>>::call_once
[INFO] [stdout]              at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/alloc/src/boxed.rs:2022:9
[INFO] [stdout]   33: std::sys::pal::unix::thread::Thread::new::thread_start
[INFO] [stdout]              at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/std/src/sys/pal/unix/thread.rs:108:17
[INFO] [stdout]   34: <unknown>
[INFO] [stdout]   35: __clone
[INFO] [stdout] stack backtrace:
[INFO] [stdout]    0:     0x5567fa98e315 - std::backtrace_rs::backtrace::libunwind::trace::h59d96bdb08384354
[INFO] [stdout]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/std/src/../../backtrace/src/backtrace/libunwind.rs:105:5
[INFO] [stdout]    1:     0x5567fa98e315 - std::backtrace_rs::backtrace::trace_unsynchronized::h9cf5becacfc93fba
[INFO] [stdout]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/std/src/../../backtrace/src/backtrace/mod.rs:66:5
[INFO] [stdout]    2:     0x5567fa98e315 - std::sys_common::backtrace::_print_fmt::h10b76d10405dbd48
[INFO] [stdout]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/std/src/sys_common/backtrace.rs:68:5
[INFO] [stdout]    3:     0x5567fa98e315 - <std::sys_common::backtrace::_print::DisplayBacktrace as core::fmt::Display>::fmt::h6ed9e62a156d84e4
[INFO] [stdout]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/std/src/sys_common/backtrace.rs:44:22
[INFO] [stdout]    4:     0x5567fa9b767b - core::fmt::rt::Argument::fmt::h645c680983f03c9f
[INFO] [stdout]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/core/src/fmt/rt.rs:165:63
[INFO] [stdout]    5:     0x5567fa9b767b - core::fmt::write::h8bcd80919a02be29
[INFO] [stdout]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/core/src/fmt/mod.rs:1169:21
[INFO] [stdout]    6:     0x5567fa98b51f - std::io::Write::write_fmt::h8d0c47c662cad79c
[INFO] [stdout]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/std/src/io/mod.rs:1835:15
[INFO] [stdout]    7:     0x5567fa98e0ee - std::sys_common::backtrace::_print::h6306f131a28d62b0
[INFO] [stdout]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/std/src/sys_common/backtrace.rs:47:5
[INFO] [stdout]    8:     0x5567fa98e0ee - std::sys_common::backtrace::print::h7079288e0a26dfcc
[INFO] [stdout]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/std/src/sys_common/backtrace.rs:34:9
[INFO] [stdout]    9:     0x5567fa98fb19 - std::panicking::default_hook::{{closure}}::hb063ecec81a736ba
[INFO] [stdout]   10:     0x5567fa98f7de - std::panicking::default_hook::hd56ee406bf547b5c
[INFO] [stdout]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/std/src/panicking.rs:295:9
[INFO] [stdout]   11:     0x5567fa79cf5a - <alloc::boxed::Box<F,A> as core::ops::function::Fn<Args>>::call::he5eacdef44c8728f
[INFO] [stdout]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/alloc/src/boxed.rs:2036:9
[INFO] [stdout]   12:     0x5567fa79cf5a - test::test_main::{{closure}}::h0ec9aed229e79095
[INFO] [stdout]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/test/src/lib.rs:137:21
[INFO] [stdout]   13:     0x5567fa99011b - <alloc::boxed::Box<F,A> as core::ops::function::Fn<Args>>::call::hcbd0d80e1ad4e4f9
[INFO] [stdout]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/alloc/src/boxed.rs:2036:9
[INFO] [stdout]   14:     0x5567fa99011b - std::panicking::rust_panic_with_hook::h624aa3ca42ebb8f2
[INFO] [stdout]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/std/src/panicking.rs:799:13
[INFO] [stdout]   15:     0x5567fa98fe94 - std::panicking::begin_panic_handler::{{closure}}::hbc4e76194a5e287c
[INFO] [stdout]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/std/src/panicking.rs:664:13
[INFO] [stdout]   16:     0x5567fa98e7d9 - std::sys_common::backtrace::__rust_end_short_backtrace::h847fedc9d1ff7b6d
[INFO] [stdout]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/std/src/sys_common/backtrace.rs:171:18
[INFO] [stdout]   17:     0x5567fa98fbc7 - rust_begin_unwind
[INFO] [stdout]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/std/src/panicking.rs:652:5
[INFO] [stdout]   18:     0x5567fa4f72d3 - core::panicking::panic_fmt::hec11a924b87ce965
[INFO] [stdout]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/core/src/panicking.rs:72:14
[INFO] [stdout]   19:     0x5567fa4f7826 - core::result::unwrap_failed::h382691b96ca8c13a
[INFO] [stdout]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/core/src/result.rs:1654:5
[INFO] [stdout]   20:     0x5567fa74823a - core::result::Result<T,E>::unwrap::hf3b0b9adefa17504
[INFO] [stdout]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/core/src/result.rs:1077:23
[INFO] [stdout]   21:     0x5567fa74823a - maelstrom_layer_fs::tests::Fixture::mount::{{closure}}::h688ac20af9e777e3
[INFO] [stdout]                                at /opt/rustwide/workdir/src/lib.rs:1175:13
[INFO] [stdout]   22:     0x5567fa7527d2 - maelstrom_layer_fs::tests::read_dir_and_look_up::{{closure}}::ha740edd19a0c72bb
[INFO] [stdout]                                at /opt/rustwide/workdir/src/lib.rs:1195:48
[INFO] [stdout]   23:     0x5567fa599dc2 - <core::pin::Pin<P> as core::future::future::Future>::poll::h58377329fe1be409
[INFO] [stdout]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/core/src/future/future.rs:123:9
[INFO] [stdout]   24:     0x5567fa599e5d - <core::pin::Pin<P> as core::future::future::Future>::poll::h9848842023914f90
[INFO] [stdout]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/core/src/future/future.rs:123:9
[INFO] [stdout]   25:     0x5567fa712bcf - tokio::runtime::scheduler::current_thread::CoreGuard::block_on::{{closure}}::{{closure}}::{{closure}}::hac502fe9d0c8ca72
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/tokio-1.37.0/src/runtime/scheduler/current_thread/mod.rs:659:57
[INFO] [stdout]   26:     0x5567fa712b15 - tokio::runtime::coop::with_budget::h5772473feedf75e6
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/tokio-1.37.0/src/runtime/coop.rs:107:5
[INFO] [stdout]   27:     0x5567fa712b15 - tokio::runtime::coop::budget::h1cedff380d0d76fe
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/tokio-1.37.0/src/runtime/coop.rs:73:5
[INFO] [stdout]   28:     0x5567fa712b15 - tokio::runtime::scheduler::current_thread::CoreGuard::block_on::{{closure}}::{{closure}}::h8c4e90f535c36b70
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/tokio-1.37.0/src/runtime/scheduler/current_thread/mod.rs:659:25
[INFO] [stdout]   29:     0x5567fa7118e0 - tokio::runtime::scheduler::current_thread::Context::enter::ha7498cf055706cab
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/tokio-1.37.0/src/runtime/scheduler/current_thread/mod.rs:404:19
[INFO] [stdout]   30:     0x5567fa71238b - tokio::runtime::scheduler::current_thread::CoreGuard::block_on::{{closure}}::h2b9b5f0577e897e9
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/tokio-1.37.0/src/runtime/scheduler/current_thread/mod.rs:658:36
[INFO] [stdout]   31:     0x5567fa712104 - tokio::runtime::scheduler::current_thread::CoreGuard::enter::{{closure}}::h56418ae36458e166
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/tokio-1.37.0/src/runtime/scheduler/current_thread/mod.rs:737:68
[INFO] [stdout]   32:     0x5567fa61277b - tokio::runtime::context::scoped::Scoped<T>::set::h7aa088ea4c80d610
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/tokio-1.37.0/src/runtime/context/scoped.rs:40:9
[INFO] [stdout]   33:     0x5567fa637809 - tokio::runtime::context::set_scheduler::{{closure}}::h94afc82b84f19872
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/tokio-1.37.0/src/runtime/context.rs:176:26
[INFO] [stdout]   34:     0x5567fa736ae0 - std::thread::local::LocalKey<T>::try_with::ha55e4718acbc58e5
[INFO] [stdout]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/std/src/thread/local.rs:286:12
[INFO] [stdout]   35:     0x5567fa7357da - std::thread::local::LocalKey<T>::with::h6754b1d50501e148
[INFO] [stdout]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/std/src/thread/local.rs:262:9
[INFO] [stdout]   36:     0x5567fa6377bd - tokio::runtime::context::set_scheduler::ha0fadfb0270ced03
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/tokio-1.37.0/src/runtime/context.rs:176:9
[INFO] [stdout]   37:     0x5567fa711eb0 - tokio::runtime::scheduler::current_thread::CoreGuard::enter::h387c7036b2984b21
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/tokio-1.37.0/src/runtime/scheduler/current_thread/mod.rs:737:27
[INFO] [stdout]   38:     0x5567fa712123 - tokio::runtime::scheduler::current_thread::CoreGuard::block_on::h3b5a535448cb2a21
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/tokio-1.37.0/src/runtime/scheduler/current_thread/mod.rs:646:19
[INFO] [stdout]   39:     0x5567fa70edcd - tokio::runtime::scheduler::current_thread::CurrentThread::block_on::{{closure}}::h1f48cb6748fafaa3
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/tokio-1.37.0/src/runtime/scheduler/current_thread/mod.rs:175:28
[INFO] [stdout]   40:     0x5567fa6128f6 - tokio::runtime::context::runtime::enter_runtime::h846190051fdbaffa
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/tokio-1.37.0/src/runtime/context/runtime.rs:65:16
[INFO] [stdout]   41:     0x5567fa70ece1 - tokio::runtime::scheduler::current_thread::CurrentThread::block_on::hcf7c6cc1d46a8f78
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/tokio-1.37.0/src/runtime/scheduler/current_thread/mod.rs:167:9
[INFO] [stdout]   42:     0x5567fa5998dd - tokio::runtime::runtime::Runtime::block_on::h6348c955ebacc02c
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/tokio-1.37.0/src/runtime/runtime.rs:349:47
[INFO] [stdout]   43:     0x5567fa751f10 - maelstrom_layer_fs::tests::read_dir_and_look_up::h5d0c6fd636dd858d
[INFO] [stdout]                                at /opt/rustwide/workdir/src/lib.rs:1211:9
[INFO] [stdout]   44:     0x5567fa751da7 - maelstrom_layer_fs::tests::read_dir_and_look_up::{{closure}}::hf5eaef1da2dbaa20
[INFO] [stdout]                                at /opt/rustwide/workdir/src/lib.rs:1183:36
[INFO] [stdout]   45:     0x5567fa4f9e46 - core::ops::function::FnOnce::call_once::h64979dabb1dc8af0
[INFO] [stdout]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   46:     0x5567fa7a193b - core::ops::function::FnOnce::call_once::h2e43a8f6f3d94b99
[INFO] [stdout]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   47:     0x5567fa7a193b - test::__rust_begin_short_backtrace::h214c9f2d2d3fee90
[INFO] [stdout]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/test/src/lib.rs:625:18
[INFO] [stdout]   48:     0x5567fa7a1041 - test::run_test_in_process::{{closure}}::h510b7ba7990692a5
[INFO] [stdout]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/test/src/lib.rs:648:60
[INFO] [stdout]   49:     0x5567fa7a1041 - <core::panic::unwind_safe::AssertUnwindSafe<F> as core::ops::function::FnOnce<()>>::call_once::h4157186197a93871
[INFO] [stdout]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/core/src/panic/unwind_safe.rs:272:9
[INFO] [stdout]   50:     0x5567fa7a1041 - std::panicking::try::do_call::h1bf2463bccd4b28c
[INFO] [stdout]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/std/src/panicking.rs:559:40
[INFO] [stdout]   51:     0x5567fa7a1041 - std::panicking::try::hd6d4808c9fab4fa5
[INFO] [stdout]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/std/src/panicking.rs:523:19
[INFO] [stdout]   52:     0x5567fa7a1041 - std::panic::catch_unwind::hd5641d97d123f9f2
[INFO] [stdout]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/std/src/panic.rs:149:14
[INFO] [stdout]   53:     0x5567fa7a1041 - test::run_test_in_process::hc273b71c8b878a4c
[INFO] [stdout]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/test/src/lib.rs:648:27
[INFO] [stdout]   54:     0x5567fa7a1041 - test::run_test::{{closure}}::h6838df834eb8467e
[INFO] [stdout]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/test/src/lib.rs:569:43
[INFO] [stdout]   55:     0x5567fa769a04 - test::run_test::{{closure}}::h608b98ecff5665fb
[INFO] [stdout]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/test/src/lib.rs:599:41
[INFO] [stdout]   56:     0x5567fa769a04 - std::sys_common::backtrace::__rust_begin_short_backtrace::hdc4182b97d1042e9
[INFO] [stdout]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/std/src/sys_common/backtrace.rs:155:18
[INFO] [stdout]   57:     0x5567fa76e432 - std::thread::Builder::spawn_unchecked_::{{closure}}::{{closure}}::h571773fd21d674c8
[INFO] [stdout]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/std/src/thread/mod.rs:542:17
[INFO] [stdout]   58:     0x5567fa76e432 - <core::panic::unwind_safe::AssertUnwindSafe<F> as core::ops::function::FnOnce<()>>::call_once::hdcd384cf2fa70ba3
[INFO] [stdout]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/core/src/panic/unwind_safe.rs:272:9
[INFO] [stdout]   59:     0x5567fa76e432 - std::panicking::try::do_call::h4f1a44bd81423be1
[INFO] [stdout]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/std/src/panicking.rs:559:40
[INFO] [stdout]   60:     0x5567fa76e432 - std::panicking::try::h5e02afcb81dcd361
[INFO] [stdout]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/std/src/panicking.rs:523:19
[INFO] [stdout]   61:     0x5567fa76e432 - std::panic::catch_unwind::h022f75775bfd8c45
[INFO] [stdout]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/std/src/panic.rs:149:14
[INFO] [stdout]   62:     0x5567fa76e432 - std::thread::Builder::spawn_unchecked_::{{closure}}::hf5a62e9e4e6df1f8
[INFO] [stdout]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/std/src/thread/mod.rs:541:30
[INFO] [stdout]   63:     0x5567fa76e432 - core::ops::function::FnOnce::call_once{{vtable.shim}}::h6d56360aeb9509a7
[INFO] [stdout]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   64:     0x5567fa995cab - <alloc::boxed::Box<F,A> as core::ops::function::FnOnce<Args>>::call_once::h7a343dc551c06baa
[INFO] [stdout]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/alloc/src/boxed.rs:2022:9
[INFO] [stdout]   65:     0x5567fa995cab - <alloc::boxed::Box<F,A> as core::ops::function::FnOnce<Args>>::call_once::h30b8111cbaa644f3
[INFO] [stdout]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/alloc/src/boxed.rs:2022:9
[INFO] [stdout]   66:     0x5567fa995cab - std::sys::pal::unix::thread::Thread::new::thread_start::h7404e134e61e7a11
[INFO] [stdout]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/std/src/sys/pal/unix/thread.rs:108:17
[INFO] [stdout]   67:     0x7f8ed1606ac3 - <unknown>
[INFO] [stdout]   68:     0x7f8ed1697a04 - __clone
[INFO] [stdout]   69:                0x0 - <unknown>
[INFO] [stdout] 
[INFO] [stdout] ---- tests::get_attr stdout ----
[INFO] [stdout] May 25 05:23:31.987 DEBG mounting FUSE file-system in namespace
[INFO] [stdout] thread 'tests::get_attr' panicked at src/lib.rs:1178:18:
[INFO] [stdout] called `Result::unwrap()` on an `Err` value: ENOSYS: Function not implemented
[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/index.crates.io-6f17d22bba15001f/anyhow-1.0.82/src/backtrace.rs:27:14
[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/1871252fc8bb672d40787e67404e6eaae7059369/library/core/src/result.rs:1964:27
[INFO] [stdout]    2: maelstrom_fuse::fuse_mount_namespace::{{closure}}::{{closure}}
[INFO] [stdout]              at /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/maelstrom-fuse-0.8.0/src/lib.rs:127:27
[INFO] [stdout]    3: <tokio::runtime::blocking::task::BlockingTask<T> as core::future::future::Future>::poll
[INFO] [stdout]              at /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/tokio-1.37.0/src/runtime/blocking/task.rs:42:21
[INFO] [stdout]    4: tokio::runtime::task::core::Core<T,S>::poll::{{closure}}
[INFO] [stdout]              at /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/tokio-1.37.0/src/runtime/task/core.rs:328:17
[INFO] [stdout]    5: tokio::loom::std::unsafe_cell::UnsafeCell<T>::with_mut
[INFO] [stdout]              at /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/tokio-1.37.0/src/loom/std/unsafe_cell.rs:16:9
[INFO] [stdout]    6: tokio::runtime::task::core::Core<T,S>::poll
[INFO] [stdout]              at /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/tokio-1.37.0/src/runtime/task/core.rs:317:13
[INFO] [stdout]    7: tokio::runtime::task::harness::poll_future::{{closure}}
[INFO] [stdout]              at /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/tokio-1.37.0/src/runtime/task/harness.rs:485:19
[INFO] [stdout]    8: <core::panic::unwind_safe::AssertUnwindSafe<F> as core::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]              at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/core/src/panic/unwind_safe.rs:272:9
[INFO] [stdout]    9: std::panicking::try::do_call
[INFO] [stdout]              at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/std/src/panicking.rs:559:40
[INFO] [stdout]   10: __rust_try
[INFO] [stdout]   11: std::panicking::try
[INFO] [stdout]              at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/std/src/panicking.rs:523:19
[INFO] [stdout]   12: std::panic::catch_unwind
[INFO] [stdout]              at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/std/src/panic.rs:149:14
[INFO] [stdout]   13: tokio::runtime::task::harness::poll_future
[INFO] [stdout]              at /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/tokio-1.37.0/src/runtime/task/harness.rs:473:18
[INFO] [stdout]   14: tokio::runtime::task::harness::Harness<T,S>::poll_inner
[INFO] [stdout]              at /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/tokio-1.37.0/src/runtime/task/harness.rs:208:27
[INFO] [stdout]   15: tokio::runtime::task::harness::Harness<T,S>::poll
[INFO] [stdout]              at /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/tokio-1.37.0/src/runtime/task/harness.rs:153:15
[INFO] [stdout]   16: tokio::runtime::task::raw::poll
[INFO] [stdout]              at /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/tokio-1.37.0/src/runtime/task/raw.rs:271:5
[INFO] [stdout]   17: tokio::runtime::task::raw::RawTask::poll
[INFO] [stdout]              at /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/tokio-1.37.0/src/runtime/task/raw.rs:201:18
[INFO] [stdout]   18: tokio::runtime::task::UnownedTask<S>::run
[INFO] [stdout]              at /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/tokio-1.37.0/src/runtime/task/mod.rs:464:9
[INFO] [stdout]   19: tokio::runtime::blocking::pool::Task::run
[INFO] [stdout]              at /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/tokio-1.37.0/src/runtime/blocking/pool.rs:159:9
[INFO] [stdout]   20: tokio::runtime::blocking::pool::Inner::run
[INFO] [stdout]              at /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/tokio-1.37.0/src/runtime/blocking/pool.rs:513:17
[INFO] [stdout]   21: tokio::runtime::blocking::pool::Spawner::spawn_thread::{{closure}}
[INFO] [stdout]              at /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/tokio-1.37.0/src/runtime/blocking/pool.rs:471:13
[INFO] [stdout]   22: std::sys_common::backtrace::__rust_begin_short_backtrace
[INFO] [stdout]              at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/std/src/sys_common/backtrace.rs:155:18
[INFO] [stdout]   23: std::thread::Builder::spawn_unchecked_::{{closure}}::{{closure}}
[INFO] [stdout]              at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/std/src/thread/mod.rs:542:17
[INFO] [stdout]   24: <core::panic::unwind_safe::AssertUnwindSafe<F> as core::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]              at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/core/src/panic/unwind_safe.rs:272:9
[INFO] [stdout]   25: std::panicking::try::do_call
[INFO] [stdout]              at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/std/src/panicking.rs:559:40
[INFO] [stdout]   26: __rust_try
[INFO] [stdout]   27: std::panicking::try
[INFO] [stdout]              at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/std/src/panicking.rs:523:19
[INFO] [stdout]   28: std::panic::catch_unwind
[INFO] [stdout]              at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/std/src/panic.rs:149:14
[INFO] [stdout]   29: std::thread::Builder::spawn_unchecked_::{{closure}}
[INFO] [stdout]              at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/std/src/thread/mod.rs:541:30
[INFO] [stdout]   30: core::ops::function::FnOnce::call_once{{vtable.shim}}
[INFO] [stdout]              at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   31: <alloc::boxed::Box<F,A> as core::ops::function::FnOnce<Args>>::call_once
[INFO] [stdout]              at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/alloc/src/boxed.rs:2022:9
[INFO] [stdout]   32: <alloc::boxed::Box<F,A> as core::ops::function::FnOnce<Args>>::call_once
[INFO] [stdout]              at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/alloc/src/boxed.rs:2022:9
[INFO] [stdout]   33: std::sys::pal::unix::thread::Thread::new::thread_start
[INFO] [stdout]              at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/std/src/sys/pal/unix/thread.rs:108:17
[INFO] [stdout]   34: <unknown>
[INFO] [stdout]   35: __clone
[INFO] [stdout] stack backtrace:
[INFO] [stdout]    0:     0x5567fa98e315 - std::backtrace_rs::backtrace::libunwind::trace::h59d96bdb08384354
[INFO] [stdout]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/std/src/../../backtrace/src/backtrace/libunwind.rs:105:5
[INFO] [stdout]    1:     0x5567fa98e315 - std::backtrace_rs::backtrace::trace_unsynchronized::h9cf5becacfc93fba
[INFO] [stdout]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/std/src/../../backtrace/src/backtrace/mod.rs:66:5
[INFO] [stdout]    2:     0x5567fa98e315 - std::sys_common::backtrace::_print_fmt::h10b76d10405dbd48
[INFO] [stdout]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/std/src/sys_common/backtrace.rs:68:5
[INFO] [stdout]    3:     0x5567fa98e315 - <std::sys_common::backtrace::_print::DisplayBacktrace as core::fmt::Display>::fmt::h6ed9e62a156d84e4
[INFO] [stdout]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/std/src/sys_common/backtrace.rs:44:22
[INFO] [stdout]    4:     0x5567fa9b767b - core::fmt::rt::Argument::fmt::h645c680983f03c9f
[INFO] [stdout]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/core/src/fmt/rt.rs:165:63
[INFO] [stdout]    5:     0x5567fa9b767b - core::fmt::write::h8bcd80919a02be29
[INFO] [stdout]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/core/src/fmt/mod.rs:1169:21
[INFO] [stdout]    6:     0x5567fa98b51f - std::io::Write::write_fmt::h8d0c47c662cad79c
[INFO] [stdout]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/std/src/io/mod.rs:1835:15
[INFO] [stdout]    7:     0x5567fa98e0ee - std::sys_common::backtrace::_print::h6306f131a28d62b0
[INFO] [stdout]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/std/src/sys_common/backtrace.rs:47:5
[INFO] [stdout]    8:     0x5567fa98e0ee - std::sys_common::backtrace::print::h7079288e0a26dfcc
[INFO] [stdout]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/std/src/sys_common/backtrace.rs:34:9
[INFO] [stdout]    9:     0x5567fa98fb19 - std::panicking::default_hook::{{closure}}::hb063ecec81a736ba
[INFO] [stdout]   10:     0x5567fa98f7de - std::panicking::default_hook::hd56ee406bf547b5c
[INFO] [stdout]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/std/src/panicking.rs:295:9
[INFO] [stdout]   11:     0x5567fa79cf5a - <alloc::boxed::Box<F,A> as core::ops::function::Fn<Args>>::call::he5eacdef44c8728f
[INFO] [stdout]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/alloc/src/boxed.rs:2036:9
[INFO] [stdout]   12:     0x5567fa79cf5a - test::test_main::{{closure}}::h0ec9aed229e79095
[INFO] [stdout]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/test/src/lib.rs:137:21
[INFO] [stdout]   13:     0x5567fa99011b - <alloc::boxed::Box<F,A> as core::ops::function::Fn<Args>>::call::hcbd0d80e1ad4e4f9
[INFO] [stdout]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/alloc/src/boxed.rs:2036:9
[INFO] [stdout]   14:     0x5567fa99011b - std::panicking::rust_panic_with_hook::h624aa3ca42ebb8f2
[INFO] [stdout]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/std/src/panicking.rs:799:13
[INFO] [stdout]   15:     0x5567fa98fe94 - std::panicking::begin_panic_handler::{{closure}}::hbc4e76194a5e287c
[INFO] [stdout]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/std/src/panicking.rs:664:13
[INFO] [stdout]   16:     0x5567fa98e7d9 - std::sys_common::backtrace::__rust_end_short_backtrace::h847fedc9d1ff7b6d
[INFO] [stdout]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/std/src/sys_common/backtrace.rs:171:18
[INFO] [stdout]   17:     0x5567fa98fbc7 - rust_begin_unwind
[INFO] [stdout]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/std/src/panicking.rs:652:5
[INFO] [stdout]   18:     0x5567fa4f72d3 - core::panicking::panic_fmt::hec11a924b87ce965
[INFO] [stdout]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/core/src/panicking.rs:72:14
[INFO] [stdout]   19:     0x5567fa4f7826 - core::result::unwrap_failed::h382691b96ca8c13a
[INFO] [stdout]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/core/src/result.rs:1654:5
[INFO] [stdout]   20:     0x5567fa74823a - core::result::Result<T,E>::unwrap::hf3b0b9adefa17504
[INFO] [stdout]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/core/src/result.rs:1077:23
[INFO] [stdout]   21:     0x5567fa74823a - maelstrom_layer_fs::tests::Fixture::mount::{{closure}}::h688ac20af9e777e3
[INFO] [stdout]                                at /opt/rustwide/workdir/src/lib.rs:1175:13
[INFO] [stdout]   22:     0x5567fa754ed3 - maelstrom_layer_fs::tests::get_attr::{{closure}}::h9ac548c4ccf7f753
[INFO] [stdout]                                at /opt/rustwide/workdir/src/lib.rs:1255:48
[INFO] [stdout]   23:     0x5567fa599dc2 - <core::pin::Pin<P> as core::future::future::Future>::poll::h58377329fe1be409
[INFO] [stdout]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/core/src/future/future.rs:123:9
[INFO] [stdout]   24:     0x5567fa599e5d - <core::pin::Pin<P> as core::future::future::Future>::poll::h9848842023914f90
[INFO] [stdout]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/core/src/future/future.rs:123:9
[INFO] [stdout]   25:     0x5567fa712bcf - tokio::runtime::scheduler::current_thread::CoreGuard::block_on::{{closure}}::{{closure}}::{{closure}}::hac502fe9d0c8ca72
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/tokio-1.37.0/src/runtime/scheduler/current_thread/mod.rs:659:57
[INFO] [stdout]   26:     0x5567fa712b15 - tokio::runtime::coop::with_budget::h5772473feedf75e6
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/tokio-1.37.0/src/runtime/coop.rs:107:5
[INFO] [stdout]   27:     0x5567fa712b15 - tokio::runtime::coop::budget::h1cedff380d0d76fe
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/tokio-1.37.0/src/runtime/coop.rs:73:5
[INFO] [stdout]   28:     0x5567fa712b15 - tokio::runtime::scheduler::current_thread::CoreGuard::block_on::{{closure}}::{{closure}}::h8c4e90f535c36b70
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/tokio-1.37.0/src/runtime/scheduler/current_thread/mod.rs:659:25
[INFO] [stdout]   29:     0x5567fa7118e0 - tokio::runtime::scheduler::current_thread::Context::enter::ha7498cf055706cab
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/tokio-1.37.0/src/runtime/scheduler/current_thread/mod.rs:404:19
[INFO] [stdout]   30:     0x5567fa71238b - tokio::runtime::scheduler::current_thread::CoreGuard::block_on::{{closure}}::h2b9b5f0577e897e9
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/tokio-1.37.0/src/runtime/scheduler/current_thread/mod.rs:658:36
[INFO] [stdout]   31:     0x5567fa712104 - tokio::runtime::scheduler::current_thread::CoreGuard::enter::{{closure}}::h56418ae36458e166
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/tokio-1.37.0/src/runtime/scheduler/current_thread/mod.rs:737:68
[INFO] [stdout]   32:     0x5567fa61277b - tokio::runtime::context::scoped::Scoped<T>::set::h7aa088ea4c80d610
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/tokio-1.37.0/src/runtime/context/scoped.rs:40:9
[INFO] [stdout]   33:     0x5567fa637809 - tokio::runtime::context::set_scheduler::{{closure}}::h94afc82b84f19872
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/tokio-1.37.0/src/runtime/context.rs:176:26
[INFO] [stdout]   34:     0x5567fa736ae0 - std::thread::local::LocalKey<T>::try_with::ha55e4718acbc58e5
[INFO] [stdout]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/std/src/thread/local.rs:286:12
[INFO] [stdout]   35:     0x5567fa7357da - std::thread::local::LocalKey<T>::with::h6754b1d50501e148
[INFO] [stdout]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/std/src/thread/local.rs:262:9
[INFO] [stdout]   36:     0x5567fa6377bd - tokio::runtime::context::set_scheduler::ha0fadfb0270ced03
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/tokio-1.37.0/src/runtime/context.rs:176:9
[INFO] [stdout]   37:     0x5567fa711eb0 - tokio::runtime::scheduler::current_thread::CoreGuard::enter::h387c7036b2984b21
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/tokio-1.37.0/src/runtime/scheduler/current_thread/mod.rs:737:27
[INFO] [stdout]   38:     0x5567fa712123 - tokio::runtime::scheduler::current_thread::CoreGuard::block_on::h3b5a535448cb2a21
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/tokio-1.37.0/src/runtime/scheduler/current_thread/mod.rs:646:19
[INFO] [stdout]   39:     0x5567fa70edcd - tokio::runtime::scheduler::current_thread::CurrentThread::block_on::{{closure}}::h1f48cb6748fafaa3
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/tokio-1.37.0/src/runtime/scheduler/current_thread/mod.rs:175:28
[INFO] [stdout]   40:     0x5567fa6128f6 - tokio::runtime::context::runtime::enter_runtime::h846190051fdbaffa
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/tokio-1.37.0/src/runtime/context/runtime.rs:65:16
[INFO] [stdout]   41:     0x5567fa70ece1 - tokio::runtime::scheduler::current_thread::CurrentThread::block_on::hcf7c6cc1d46a8f78
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/tokio-1.37.0/src/runtime/scheduler/current_thread/mod.rs:167:9
[INFO] [stdout]   42:     0x5567fa5998dd - tokio::runtime::runtime::Runtime::block_on::h6348c955ebacc02c
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/tokio-1.37.0/src/runtime/runtime.rs:349:47
[INFO] [stdout]   43:     0x5567fa7546c0 - maelstrom_layer_fs::tests::get_attr::h36584ea385d318e3
[INFO] [stdout]                                at /opt/rustwide/workdir/src/lib.rs:1274:9
[INFO] [stdout]   44:     0x5567fa754557 - maelstrom_layer_fs::tests::get_attr::{{closure}}::h05c008124547a811
[INFO] [stdout]                                at /opt/rustwide/workdir/src/lib.rs:1244:24
[INFO] [stdout]   45:     0x5567fa4fb796 - core::ops::function::FnOnce::call_once::hb90f500413c73de3
[INFO] [stdout]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   46:     0x5567fa7a193b - core::ops::function::FnOnce::call_once::h2e43a8f6f3d94b99
[INFO] [stdout]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   47:     0x5567fa7a193b - test::__rust_begin_short_backtrace::h214c9f2d2d3fee90
[INFO] [stdout]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/test/src/lib.rs:625:18
[INFO] [stdout]   48:     0x5567fa7a1041 - test::run_test_in_process::{{closure}}::h510b7ba7990692a5
[INFO] [stdout]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/test/src/lib.rs:648:60
[INFO] [stdout]   49:     0x5567fa7a1041 - <core::panic::unwind_safe::AssertUnwindSafe<F> as core::ops::function::FnOnce<()>>::call_once::h4157186197a93871
[INFO] [stdout]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/core/src/panic/unwind_safe.rs:272:9
[INFO] [stdout]   50:     0x5567fa7a1041 - std::panicking::try::do_call::h1bf2463bccd4b28c
[INFO] [stdout]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/std/src/panicking.rs:559:40
[INFO] [stdout]   51:     0x5567fa7a1041 - std::panicking::try::hd6d4808c9fab4fa5
[INFO] [stdout]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/std/src/panicking.rs:523:19
[INFO] [stdout]   52:     0x5567fa7a1041 - std::panic::catch_unwind::hd5641d97d123f9f2
[INFO] [stdout]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/std/src/panic.rs:149:14
[INFO] [stdout]   53:     0x5567fa7a1041 - test::run_test_in_process::hc273b71c8b878a4c
[INFO] [stdout]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/test/src/lib.rs:648:27
[INFO] [stdout]   54:     0x5567fa7a1041 - test::run_test::{{closure}}::h6838df834eb8467e
[INFO] [stdout]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/test/src/lib.rs:569:43
[INFO] [stdout]   55:     0x5567fa769a04 - test::run_test::{{closure}}::h608b98ecff5665fb
[INFO] [stdout]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/test/src/lib.rs:599:41
[INFO] [stdout]   56:     0x5567fa769a04 - std::sys_common::backtrace::__rust_begin_short_backtrace::hdc4182b97d1042e9
[INFO] [stdout]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/std/src/sys_common/backtrace.rs:155:18
[INFO] [stdout]   57:     0x5567fa76e432 - std::thread::Builder::spawn_unchecked_::{{closure}}::{{closure}}::h571773fd21d674c8
[INFO] [stdout]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/std/src/thread/mod.rs:542:17
[INFO] [stdout]   58:     0x5567fa76e432 - <core::panic::unwind_safe::AssertUnwindSafe<F> as core::ops::function::FnOnce<()>>::call_once::hdcd384cf2fa70ba3
[INFO] [stdout]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/core/src/panic/unwind_safe.rs:272:9
[INFO] [stdout]   59:     0x5567fa76e432 - std::panicking::try::do_call::h4f1a44bd81423be1
[INFO] [stdout]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/std/src/panicking.rs:559:40
[INFO] [stdout]   60:     0x5567fa76e432 - std::panicking::try::h5e02afcb81dcd361
[INFO] [stdout]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/std/src/panicking.rs:523:19
[INFO] [stdout]   61:     0x5567fa76e432 - std::panic::catch_unwind::h022f75775bfd8c45
[INFO] [stdout]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/std/src/panic.rs:149:14
[INFO] [stdout]   62:     0x5567fa76e432 - std::thread::Builder::spawn_unchecked_::{{closure}}::hf5a62e9e4e6df1f8
[INFO] [stdout]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/std/src/thread/mod.rs:541:30
[INFO] [stdout]   63:     0x5567fa76e432 - core::ops::function::FnOnce::call_once{{vtable.shim}}::h6d56360aeb9509a7
[INFO] [stdout]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   64:     0x5567fa995cab - <alloc::boxed::Box<F,A> as core::ops::function::FnOnce<Args>>::call_once::h7a343dc551c06baa
[INFO] [stdout]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/alloc/src/boxed.rs:2022:9
[INFO] [stdout]   65:     0x5567fa995cab - <alloc::boxed::Box<F,A> as core::ops::function::FnOnce<Args>>::call_once::h30b8111cbaa644f3
[INFO] [stdout]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/alloc/src/boxed.rs:2022:9
[INFO] [stdout]   66:     0x5567fa995cab - std::sys::pal::unix::thread::Thread::new::thread_start::h7404e134e61e7a11
[INFO] [stdout]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/std/src/sys/pal/unix/thread.rs:108:17
[INFO] [stdout]   67:     0x7f8ed1606ac3 - <unknown>
[INFO] [stdout]   68:     0x7f8ed1697a04 - __clone
[INFO] [stdout]   69:                0x0 - <unknown>
[INFO] [stdout] 
[INFO] [stdout] ---- tests::read_dir_multi_level stdout ----
[INFO] [stdout] May 25 05:23:31.988 DEBG mounting FUSE file-system in namespace
[INFO] [stdout] thread 'tests::read_dir_multi_level' panicked at src/lib.rs:1178:18:
[INFO] [stdout] called `Result::unwrap()` on an `Err` value: ENOSYS: Function not implemented
[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/index.crates.io-6f17d22bba15001f/anyhow-1.0.82/src/backtrace.rs:27:14
[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/1871252fc8bb672d40787e67404e6eaae7059369/library/core/src/result.rs:1964:27
[INFO] [stdout]    2: maelstrom_fuse::fuse_mount_namespace::{{closure}}::{{closure}}
[INFO] [stdout]              at /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/maelstrom-fuse-0.8.0/src/lib.rs:127:27
[INFO] [stdout]    3: <tokio::runtime::blocking::task::BlockingTask<T> as core::future::future::Future>::poll
[INFO] [stdout]              at /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/tokio-1.37.0/src/runtime/blocking/task.rs:42:21
[INFO] [stdout]    4: tokio::runtime::task::core::Core<T,S>::poll::{{closure}}
[INFO] [stdout]              at /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/tokio-1.37.0/src/runtime/task/core.rs:328:17
[INFO] [stdout]    5: tokio::loom::std::unsafe_cell::UnsafeCell<T>::with_mut
[INFO] [stdout]              at /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/tokio-1.37.0/src/loom/std/unsafe_cell.rs:16:9
[INFO] [stdout]    6: tokio::runtime::task::core::Core<T,S>::poll
[INFO] [stdout]              at /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/tokio-1.37.0/src/runtime/task/core.rs:317:13
[INFO] [stdout]    7: tokio::runtime::task::harness::poll_future::{{closure}}
[INFO] [stdout]              at /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/tokio-1.37.0/src/runtime/task/harness.rs:485:19
[INFO] [stdout]    8: <core::panic::unwind_safe::AssertUnwindSafe<F> as core::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]              at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/core/src/panic/unwind_safe.rs:272:9
[INFO] [stdout]    9: std::panicking::try::do_call
[INFO] [stdout]              at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/std/src/panicking.rs:559:40
[INFO] [stdout]   10: __rust_try
[INFO] [stdout]   11: std::panicking::try
[INFO] [stdout]              at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/std/src/panicking.rs:523:19
[INFO] [stdout]   12: std::panic::catch_unwind
[INFO] [stdout]              at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/std/src/panic.rs:149:14
[INFO] [stdout]   13: tokio::runtime::task::harness::poll_future
[INFO] [stdout]              at /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/tokio-1.37.0/src/runtime/task/harness.rs:473:18
[INFO] [stdout]   14: tokio::runtime::task::harness::Harness<T,S>::poll_inner
[INFO] [stdout]              at /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/tokio-1.37.0/src/runtime/task/harness.rs:208:27
[INFO] [stdout]   15: tokio::runtime::task::harness::Harness<T,S>::poll
[INFO] [stdout]              at /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/tokio-1.37.0/src/runtime/task/harness.rs:153:15
[INFO] [stdout]   16: tokio::runtime::task::raw::poll
[INFO] [stdout]              at /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/tokio-1.37.0/src/runtime/task/raw.rs:271:5
[INFO] [stdout]   17: tokio::runtime::task::raw::RawTask::poll
[INFO] [stdout]              at /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/tokio-1.37.0/src/runtime/task/raw.rs:201:18
[INFO] [stdout]   18: tokio::runtime::task::UnownedTask<S>::run
[INFO] [stdout]              at /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/tokio-1.37.0/src/runtime/task/mod.rs:464:9
[INFO] [stdout]   19: tokio::runtime::blocking::pool::Task::run
[INFO] [stdout]              at /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/tokio-1.37.0/src/runtime/blocking/pool.rs:159:9
[INFO] [stdout]   20: tokio::runtime::blocking::pool::Inner::run
[INFO] [stdout]              at /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/tokio-1.37.0/src/runtime/blocking/pool.rs:513:17
[INFO] [stdout]   21: tokio::runtime::blocking::pool::Spawner::spawn_thread::{{closure}}
[INFO] [stdout]              at /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/tokio-1.37.0/src/runtime/blocking/pool.rs:471:13
[INFO] [stdout]   22: std::sys_common::backtrace::__rust_begin_short_backtrace
[INFO] [stdout]              at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/std/src/sys_common/backtrace.rs:155:18
[INFO] [stdout]   23: std::thread::Builder::spawn_unchecked_::{{closure}}::{{closure}}
[INFO] [stdout]              at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/std/src/thread/mod.rs:542:17
[INFO] [stdout]   24: <core::panic::unwind_safe::AssertUnwindSafe<F> as core::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]              at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/core/src/panic/unwind_safe.rs:272:9
[INFO] [stdout]   25: std::panicking::try::do_call
[INFO] [stdout]              at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/std/src/panicking.rs:559:40
[INFO] [stdout]   26: __rust_try
[INFO] [stdout]   27: std::panicking::try
[INFO] [stdout]              at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/std/src/panicking.rs:523:19
[INFO] [stdout]   28: std::panic::catch_unwind
[INFO] [stdout]              at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/std/src/panic.rs:149:14
[INFO] [stdout]   29: std::thread::Builder::spawn_unchecked_::{{closure}}
[INFO] [stdout]              at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/std/src/thread/mod.rs:541:30
[INFO] [stdout]   30: core::ops::function::FnOnce::call_once{{vtable.shim}}
[INFO] [stdout]              at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   31: <alloc::boxed::Box<F,A> as core::ops::function::FnOnce<Args>>::call_once
[INFO] [stdout]              at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/alloc/src/boxed.rs:2022:9
[INFO] [stdout]   32: <alloc::boxed::Box<F,A> as core::ops::function::FnOnce<Args>>::call_once
[INFO] [stdout]              at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/alloc/src/boxed.rs:2022:9
[INFO] [stdout]   33: std::sys::pal::unix::thread::Thread::new::thread_start
[INFO] [stdout]              at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/std/src/sys/pal/unix/thread.rs:108:17
[INFO] [stdout]   34: <unknown>
[INFO] [stdout]   35: __clone
[INFO] [stdout] stack backtrace:
[INFO] [stdout]    0:     0x5567fa98e315 - std::backtrace_rs::backtrace::libunwind::trace::h59d96bdb08384354
[INFO] [stdout]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/std/src/../../backtrace/src/backtrace/libunwind.rs:105:5
[INFO] [stdout]    1:     0x5567fa98e315 - std::backtrace_rs::backtrace::trace_unsynchronized::h9cf5becacfc93fba
[INFO] [stdout]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/std/src/../../backtrace/src/backtrace/mod.rs:66:5
[INFO] [stdout]    2:     0x5567fa98e315 - std::sys_common::backtrace::_print_fmt::h10b76d10405dbd48
[INFO] [stdout]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/std/src/sys_common/backtrace.rs:68:5
[INFO] [stdout]    3:     0x5567fa98e315 - <std::sys_common::backtrace::_print::DisplayBacktrace as core::fmt::Display>::fmt::h6ed9e62a156d84e4
[INFO] [stdout]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/std/src/sys_common/backtrace.rs:44:22
[INFO] [stdout]    4:     0x5567fa9b767b - core::fmt::rt::Argument::fmt::h645c680983f03c9f
[INFO] [stdout]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/core/src/fmt/rt.rs:165:63
[INFO] [stdout]    5:     0x5567fa9b767b - core::fmt::write::h8bcd80919a02be29
[INFO] [stdout]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/core/src/fmt/mod.rs:1169:21
[INFO] [stdout]    6:     0x5567fa98b51f - std::io::Write::write_fmt::h8d0c47c662cad79c
[INFO] [stdout]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/std/src/io/mod.rs:1835:15
[INFO] [stdout]    7:     0x5567fa98e0ee - std::sys_common::backtrace::_print::h6306f131a28d62b0
[INFO] [stdout]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/std/src/sys_common/backtrace.rs:47:5
[INFO] [stdout]    8:     0x5567fa98e0ee - std::sys_common::backtrace::print::h7079288e0a26dfcc
[INFO] [stdout]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/std/src/sys_common/backtrace.rs:34:9
[INFO] [stdout]    9:     0x5567fa98fb19 - std::panicking::default_hook::{{closure}}::hb063ecec81a736ba
[INFO] [stdout]   10:     0x5567fa98f7de - std::panicking::default_hook::hd56ee406bf547b5c
[INFO] [stdout]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/std/src/panicking.rs:295:9
[INFO] [stdout]   11:     0x5567fa79cf5a - <alloc::boxed::Box<F,A> as core::ops::function::Fn<Args>>::call::he5eacdef44c8728f
[INFO] [stdout]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/alloc/src/boxed.rs:2036:9
[INFO] [stdout]   12:     0x5567fa79cf5a - test::test_main::{{closure}}::h0ec9aed229e79095
[INFO] [stdout]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/test/src/lib.rs:137:21
[INFO] [stdout]   13:     0x5567fa99011b - <alloc::boxed::Box<F,A> as core::ops::function::Fn<Args>>::call::hcbd0d80e1ad4e4f9
[INFO] [stdout]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/alloc/src/boxed.rs:2036:9
[INFO] [stdout]   14:     0x5567fa99011b - std::panicking::rust_panic_with_hook::h624aa3ca42ebb8f2
[INFO] [stdout]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/std/src/panicking.rs:799:13
[INFO] [stdout]   15:     0x5567fa98fe94 - std::panicking::begin_panic_handler::{{closure}}::hbc4e76194a5e287c
[INFO] [stdout]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/std/src/panicking.rs:664:13
[INFO] [stdout]   16:     0x5567fa98e7d9 - std::sys_common::backtrace::__rust_end_short_backtrace::h847fedc9d1ff7b6d
[INFO] [stdout]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/std/src/sys_common/backtrace.rs:171:18
[INFO] [stdout]   17:     0x5567fa98fbc7 - rust_begin_unwind
[INFO] [stdout]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/std/src/panicking.rs:652:5
[INFO] [stdout]   18:     0x5567fa4f72d3 - core::panicking::panic_fmt::hec11a924b87ce965
[INFO] [stdout]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/core/src/panicking.rs:72:14
[INFO] [stdout]   19:     0x5567fa4f7826 - core::result::unwrap_failed::h382691b96ca8c13a
[INFO] [stdout]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/core/src/result.rs:1654:5
[INFO] [stdout]   20:     0x5567fa74823a - core::result::Result<T,E>::unwrap::hf3b0b9adefa17504
[INFO] [stdout]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/core/src/result.rs:1077:23
[INFO] [stdout]   21:     0x5567fa74823a - maelstrom_layer_fs::tests::Fixture::mount::{{closure}}::h688ac20af9e777e3
[INFO] [stdout]                                at /opt/rustwide/workdir/src/lib.rs:1175:13
[INFO] [stdout]   22:     0x5567fa753ac9 - maelstrom_layer_fs::tests::read_dir_multi_level::{{closure}}::h6bf875ee7e54d9e4
[INFO] [stdout]                                at /opt/rustwide/workdir/src/lib.rs:1226:48
[INFO] [stdout]   23:     0x5567fa599dc2 - <core::pin::Pin<P> as core::future::future::Future>::poll::h58377329fe1be409
[INFO] [stdout]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/core/src/future/future.rs:123:9
[INFO] [stdout]   24:     0x5567fa599e5d - <core::pin::Pin<P> as core::future::future::Future>::poll::h9848842023914f90
[INFO] [stdout]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/core/src/future/future.rs:123:9
[INFO] [stdout]   25:     0x5567fa712bcf - tokio::runtime::scheduler::current_thread::CoreGuard::block_on::{{closure}}::{{closure}}::{{closure}}::hac502fe9d0c8ca72
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/tokio-1.37.0/src/runtime/scheduler/current_thread/mod.rs:659:57
[INFO] [stdout]   26:     0x5567fa712b15 - tokio::runtime::coop::with_budget::h5772473feedf75e6
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/tokio-1.37.0/src/runtime/coop.rs:107:5
[INFO] [stdout]   27:     0x5567fa712b15 - tokio::runtime::coop::budget::h1cedff380d0d76fe
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/tokio-1.37.0/src/runtime/coop.rs:73:5
[INFO] [stdout]   28:     0x5567fa712b15 - tokio::runtime::scheduler::current_thread::CoreGuard::block_on::{{closure}}::{{closure}}::h8c4e90f535c36b70
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/tokio-1.37.0/src/runtime/scheduler/current_thread/mod.rs:659:25
[INFO] [stdout]   29:     0x5567fa7118e0 - tokio::runtime::scheduler::current_thread::Context::enter::ha7498cf055706cab
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/tokio-1.37.0/src/runtime/scheduler/current_thread/mod.rs:404:19
[INFO] [stdout]   30:     0x5567fa71238b - tokio::runtime::scheduler::current_thread::CoreGuard::block_on::{{closure}}::h2b9b5f0577e897e9
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/tokio-1.37.0/src/runtime/scheduler/current_thread/mod.rs:658:36
[INFO] [stdout]   31:     0x5567fa712104 - tokio::runtime::scheduler::current_thread::CoreGuard::enter::{{closure}}::h56418ae36458e166
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/tokio-1.37.0/src/runtime/scheduler/current_thread/mod.rs:737:68
[INFO] [stdout]   32:     0x5567fa61277b - tokio::runtime::context::scoped::Scoped<T>::set::h7aa088ea4c80d610
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/tokio-1.37.0/src/runtime/context/scoped.rs:40:9
[INFO] [stdout]   33:     0x5567fa637809 - tokio::runtime::context::set_scheduler::{{closure}}::h94afc82b84f19872
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/tokio-1.37.0/src/runtime/context.rs:176:26
[INFO] [stdout]   34:     0x5567fa736ae0 - std::thread::local::LocalKey<T>::try_with::ha55e4718acbc58e5
[INFO] [stdout]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/std/src/thread/local.rs:286:12
[INFO] [stdout]   35:     0x5567fa7357da - std::thread::local::LocalKey<T>::with::h6754b1d50501e148
[INFO] [stdout]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/std/src/thread/local.rs:262:9
[INFO] [stdout]   36:     0x5567fa6377bd - tokio::runtime::context::set_scheduler::ha0fadfb0270ced03
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/tokio-1.37.0/src/runtime/context.rs:176:9
[INFO] [stdout]   37:     0x5567fa711eb0 - tokio::runtime::scheduler::current_thread::CoreGuard::enter::h387c7036b2984b21
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/tokio-1.37.0/src/runtime/scheduler/current_thread/mod.rs:737:27
[INFO] [stdout]   38:     0x5567fa712123 - tokio::runtime::scheduler::current_thread::CoreGuard::block_on::h3b5a535448cb2a21
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/tokio-1.37.0/src/runtime/scheduler/current_thread/mod.rs:646:19
[INFO] [stdout]   39:     0x5567fa70edcd - tokio::runtime::scheduler::current_thread::CurrentThread::block_on::{{closure}}::h1f48cb6748fafaa3
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/tokio-1.37.0/src/runtime/scheduler/current_thread/mod.rs:175:28
[INFO] [stdout]   40:     0x5567fa6128f6 - tokio::runtime::context::runtime::enter_runtime::h846190051fdbaffa
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/tokio-1.37.0/src/runtime/context/runtime.rs:65:16
[INFO] [stdout]   41:     0x5567fa70ece1 - tokio::runtime::scheduler::current_thread::CurrentThread::block_on::hcf7c6cc1d46a8f78
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/tokio-1.37.0/src/runtime/scheduler/current_thread/mod.rs:167:9
[INFO] [stdout]   42:     0x5567fa5998dd - tokio::runtime::runtime::Runtime::block_on::h6348c955ebacc02c
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/tokio-1.37.0/src/runtime/runtime.rs:349:47
[INFO] [stdout]   43:     0x5567fa7532b0 - maelstrom_layer_fs::tests::read_dir_multi_level::h32b08c6609dcb3f0
[INFO] [stdout]                                at /opt/rustwide/workdir/src/lib.rs:1240:9
[INFO] [stdout]   44:     0x5567fa753147 - maelstrom_layer_fs::tests::read_dir_multi_level::{{closure}}::h98f19463d478bfea
[INFO] [stdout]                                at /opt/rustwide/workdir/src/lib.rs:1215:36
[INFO] [stdout]   45:     0x5567fa4fb0c6 - core::ops::function::FnOnce::call_once::ha84f8b6872199751
[INFO] [stdout]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   46:     0x5567fa7a193b - core::ops::function::FnOnce::call_once::h2e43a8f6f3d94b99
[INFO] [stdout]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   47:     0x5567fa7a193b - test::__rust_begin_short_backtrace::h214c9f2d2d3fee90
[INFO] [stdout]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/test/src/lib.rs:625:18
[INFO] [stdout]   48:     0x5567fa7a1041 - test::run_test_in_process::{{closure}}::h510b7ba7990692a5
[INFO] [stdout]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/test/src/lib.rs:648:60
[INFO] [stdout]   49:     0x5567fa7a1041 - <core::panic::unwind_safe::AssertUnwindSafe<F> as core::ops::function::FnOnce<()>>::call_once::h4157186197a93871
[INFO] [stdout]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/core/src/panic/unwind_safe.rs:272:9
[INFO] [stdout]   50:     0x5567fa7a1041 - std::panicking::try::do_call::h1bf2463bccd4b28c
[INFO] [stdout]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/std/src/panicking.rs:559:40
[INFO] [stdout]   51:     0x5567fa7a1041 - std::panicking::try::hd6d4808c9fab4fa5
[INFO] [stdout]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/std/src/panicking.rs:523:19
[INFO] [stdout]   52:     0x5567fa7a1041 - std::panic::catch_unwind::hd5641d97d123f9f2
[INFO] [stdout]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/std/src/panic.rs:149:14
[INFO] [stdout]   53:     0x5567fa7a1041 - test::run_test_in_process::hc273b71c8b878a4c
[INFO] [stdout]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/test/src/lib.rs:648:27
[INFO] [stdout]   54:     0x5567fa7a1041 - test::run_test::{{closure}}::h6838df834eb8467e
[INFO] [stdout]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/test/src/lib.rs:569:43
[INFO] [stdout]   55:     0x5567fa769a04 - test::run_test::{{closure}}::h608b98ecff5665fb
[INFO] [stdout]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/test/src/lib.rs:599:41
[INFO] [stdout]   56:     0x5567fa769a04 - std::sys_common::backtrace::__rust_begin_short_backtrace::hdc4182b97d1042e9
[INFO] [stdout]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/std/src/sys_common/backtrace.rs:155:18
[INFO] [stdout]   57:     0x5567fa76e432 - std::thread::Builder::spawn_unchecked_::{{closure}}::{{closure}}::h571773fd21d674c8
[INFO] [stdout]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/std/src/thread/mod.rs:542:17
[INFO] [stdout]   58:     0x5567fa76e432 - <core::panic::unwind_safe::AssertUnwindSafe<F> as core::ops::function::FnOnce<()>>::call_once::hdcd384cf2fa70ba3
[INFO] [stdout]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/core/src/panic/unwind_safe.rs:272:9
[INFO] [stdout]   59:     0x5567fa76e432 - std::panicking::try::do_call::h4f1a44bd81423be1
[INFO] [stdout]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/std/src/panicking.rs:559:40
[INFO] [stdout]   60:     0x5567fa76e432 - std::panicking::try::h5e02afcb81dcd361
[INFO] [stdout]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/std/src/panicking.rs:523:19
[INFO] [stdout]   61:     0x5567fa76e432 - std::panic::catch_unwind::h022f75775bfd8c45
[INFO] [stdout]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/std/src/panic.rs:149:14
[INFO] [stdout]   62:     0x5567fa76e432 - std::thread::Builder::spawn_unchecked_::{{closure}}::hf5a62e9e4e6df1f8
[INFO] [stdout]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/std/src/thread/mod.rs:541:30
[INFO] [stdout]   63:     0x5567fa76e432 - core::ops::function::FnOnce::call_once{{vtable.shim}}::h6d56360aeb9509a7
[INFO] [stdout]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   64:     0x5567fa995cab - <alloc::boxed::Box<F,A> as core::ops::function::FnOnce<Args>>::call_once::h7a343dc551c06baa
[INFO] [stdout]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/alloc/src/boxed.rs:2022:9
[INFO] [stdout]   65:     0x5567fa995cab - <alloc::boxed::Box<F,A> as core::ops::function::FnOnce<Args>>::call_once::h30b8111cbaa644f3
[INFO] [stdout]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/alloc/src/boxed.rs:2022:9
[INFO] [stdout]   66:     0x5567fa995cab - std::sys::pal::unix::thread::Thread::new::thread_start::h7404e134e61e7a11
[INFO] [stdout]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/std/src/sys/pal/unix/thread.rs:108:17
[INFO] [stdout]   67:     0x7f8ed1606ac3 - <unknown>
[INFO] [stdout]   68:     0x7f8ed1697a04 - __clone
[INFO] [stdout]   69:                0x0 - <unknown>
[INFO] [stdout] 
[INFO] [stdout] ---- tests::read_link stdout ----
[INFO] [stdout] May 25 05:23:31.988 DEBG mounting FUSE file-system in namespace
[INFO] [stdout] thread 'tests::read_link' panicked at src/lib.rs:1178:18:
[INFO] [stdout] called `Result::unwrap()` on an `Err` value: ENOSYS: Function not implemented
[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/index.crates.io-6f17d22bba15001f/anyhow-1.0.82/src/backtrace.rs:27:14
[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/1871252fc8bb672d40787e67404e6eaae7059369/library/core/src/result.rs:1964:27
[INFO] [stdout]    2: maelstrom_fuse::fuse_mount_namespace::{{closure}}::{{closure}}
[INFO] [stdout]              at /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/maelstrom-fuse-0.8.0/src/lib.rs:127:27
[INFO] [stdout]    3: <tokio::runtime::blocking::task::BlockingTask<T> as core::future::future::Future>::poll
[INFO] [stdout]              at /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/tokio-1.37.0/src/runtime/blocking/task.rs:42:21
[INFO] [stdout]    4: tokio::runtime::task::core::Core<T,S>::poll::{{closure}}
[INFO] [stdout]              at /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/tokio-1.37.0/src/runtime/task/core.rs:328:17
[INFO] [stdout]    5: tokio::loom::std::unsafe_cell::UnsafeCell<T>::with_mut
[INFO] [stdout]              at /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/tokio-1.37.0/src/loom/std/unsafe_cell.rs:16:9
[INFO] [stdout]    6: tokio::runtime::task::core::Core<T,S>::poll
[INFO] [stdout]              at /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/tokio-1.37.0/src/runtime/task/core.rs:317:13
[INFO] [stdout]    7: tokio::runtime::task::harness::poll_future::{{closure}}
[INFO] [stdout]              at /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/tokio-1.37.0/src/runtime/task/harness.rs:485:19
[INFO] [stdout]    8: <core::panic::unwind_safe::AssertUnwindSafe<F> as core::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]              at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/core/src/panic/unwind_safe.rs:272:9
[INFO] [stdout]    9: std::panicking::try::do_call
[INFO] [stdout]              at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/std/src/panicking.rs:559:40
[INFO] [stdout]   10: __rust_try
[INFO] [stdout]   11: std::panicking::try
[INFO] [stdout]              at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/std/src/panicking.rs:523:19
[INFO] [stdout]   12: std::panic::catch_unwind
[INFO] [stdout]              at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/std/src/panic.rs:149:14
[INFO] [stdout]   13: tokio::runtime::task::harness::poll_future
[INFO] [stdout]              at /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/tokio-1.37.0/src/runtime/task/harness.rs:473:18
[INFO] [stdout]   14: tokio::runtime::task::harness::Harness<T,S>::poll_inner
[INFO] [stdout]              at /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/tokio-1.37.0/src/runtime/task/harness.rs:208:27
[INFO] [stdout]   15: tokio::runtime::task::harness::Harness<T,S>::poll
[INFO] [stdout]              at /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/tokio-1.37.0/src/runtime/task/harness.rs:153:15
[INFO] [stdout]   16: tokio::runtime::task::raw::poll
[INFO] [stdout]              at /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/tokio-1.37.0/src/runtime/task/raw.rs:271:5
[INFO] [stdout]   17: tokio::runtime::task::raw::RawTask::poll
[INFO] [stdout]              at /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/tokio-1.37.0/src/runtime/task/raw.rs:201:18
[INFO] [stdout]   18: tokio::runtime::task::UnownedTask<S>::run
[INFO] [stdout]              at /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/tokio-1.37.0/src/runtime/task/mod.rs:464:9
[INFO] [stdout]   19: tokio::runtime::blocking::pool::Task::run
[INFO] [stdout]              at /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/tokio-1.37.0/src/runtime/blocking/pool.rs:159:9
[INFO] [stdout]   20: tokio::runtime::blocking::pool::Inner::run
[INFO] [stdout]              at /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/tokio-1.37.0/src/runtime/blocking/pool.rs:513:17
[INFO] [stdout]   21: tokio::runtime::blocking::pool::Spawner::spawn_thread::{{closure}}
[INFO] [stdout]              at /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/tokio-1.37.0/src/runtime/blocking/pool.rs:471:13
[INFO] [stdout]   22: std::sys_common::backtrace::__rust_begin_short_backtrace
[INFO] [stdout]              at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/std/src/sys_common/backtrace.rs:155:18
[INFO] [stdout]   23: std::thread::Builder::spawn_unchecked_::{{closure}}::{{closure}}
[INFO] [stdout]              at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/std/src/thread/mod.rs:542:17
[INFO] [stdout]   24: <core::panic::unwind_safe::AssertUnwindSafe<F> as core::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]              at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/core/src/panic/unwind_safe.rs:272:9
[INFO] [stdout]   25: std::panicking::try::do_call
[INFO] [stdout]              at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/std/src/panicking.rs:559:40
[INFO] [stdout]   26: __rust_try
[INFO] [stdout]   27: std::panicking::try
[INFO] [stdout]              at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/std/src/panicking.rs:523:19
[INFO] [stdout]   28: std::panic::catch_unwind
[INFO] [stdout]              at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/std/src/panic.rs:149:14
[INFO] [stdout]   29: std::thread::Builder::spawn_unchecked_::{{closure}}
[INFO] [stdout]              at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/std/src/thread/mod.rs:541:30
[INFO] [stdout]   30: core::ops::function::FnOnce::call_once{{vtable.shim}}
[INFO] [stdout]              at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   31: <alloc::boxed::Box<F,A> as core::ops::function::FnOnce<Args>>::call_once
[INFO] [stdout]              at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/alloc/src/boxed.rs:2022:9
[INFO] [stdout]   32: <alloc::boxed::Box<F,A> as core::ops::function::FnOnce<Args>>::call_once
[INFO] [stdout]              at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/alloc/src/boxed.rs:2022:9
[INFO] [stdout]   33: std::sys::pal::unix::thread::Thread::new::thread_start
[INFO] [stdout]              at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/std/src/sys/pal/unix/thread.rs:108:17
[INFO] [stdout]   34: <unknown>
[INFO] [stdout]   35: __clone
[INFO] [stdout] stack backtrace:
[INFO] [stdout]    0:     0x5567fa98e315 - std::backtrace_rs::backtrace::libunwind::trace::h59d96bdb08384354
[INFO] [stdout]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/std/src/../../backtrace/src/backtrace/libunwind.rs:105:5
[INFO] [stdout]    1:     0x5567fa98e315 - std::backtrace_rs::backtrace::trace_unsynchronized::h9cf5becacfc93fba
[INFO] [stdout]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/std/src/../../backtrace/src/backtrace/mod.rs:66:5
[INFO] [stdout]    2:     0x5567fa98e315 - std::sys_common::backtrace::_print_fmt::h10b76d10405dbd48
[INFO] [stdout]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/std/src/sys_common/backtrace.rs:68:5
[INFO] [stdout]    3:     0x5567fa98e315 - <std::sys_common::backtrace::_print::DisplayBacktrace as core::fmt::Display>::fmt::h6ed9e62a156d84e4
[INFO] [stdout]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/std/src/sys_common/backtrace.rs:44:22
[INFO] [stdout]    4:     0x5567fa9b767b - core::fmt::rt::Argument::fmt::h645c680983f03c9f
[INFO] [stdout]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/core/src/fmt/rt.rs:165:63
[INFO] [stdout]    5:     0x5567fa9b767b - core::fmt::write::h8bcd80919a02be29
[INFO] [stdout]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/core/src/fmt/mod.rs:1169:21
[INFO] [stdout]    6:     0x5567fa98b51f - std::io::Write::write_fmt::h8d0c47c662cad79c
[INFO] [stdout]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/std/src/io/mod.rs:1835:15
[INFO] [stdout]    7:     0x5567fa98e0ee - std::sys_common::backtrace::_print::h6306f131a28d62b0
[INFO] [stdout]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/std/src/sys_common/backtrace.rs:47:5
[INFO] [stdout]    8:     0x5567fa98e0ee - std::sys_common::backtrace::print::h7079288e0a26dfcc
[INFO] [stdout]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/std/src/sys_common/backtrace.rs:34:9
[INFO] [stdout]    9:     0x5567fa98fb19 - std::panicking::default_hook::{{closure}}::hb063ecec81a736ba
[INFO] [stdout]   10:     0x5567fa98f7de - std::panicking::default_hook::hd56ee406bf547b5c
[INFO] [stdout]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/std/src/panicking.rs:295:9
[INFO] [stdout]   11:     0x5567fa79cf5a - <alloc::boxed::Box<F,A> as core::ops::function::Fn<Args>>::call::he5eacdef44c8728f
[INFO] [stdout]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/alloc/src/boxed.rs:2036:9
[INFO] [stdout]   12:     0x5567fa79cf5a - test::test_main::{{closure}}::h0ec9aed229e79095
[INFO] [stdout]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/test/src/lib.rs:137:21
[INFO] [stdout]   13:     0x5567fa99011b - <alloc::boxed::Box<F,A> as core::ops::function::Fn<Args>>::call::hcbd0d80e1ad4e4f9
[INFO] [stdout]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/alloc/src/boxed.rs:2036:9
[INFO] [stdout]   14:     0x5567fa99011b - std::panicking::rust_panic_with_hook::h624aa3ca42ebb8f2
[INFO] [stdout]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/std/src/panicking.rs:799:13
[INFO] [stdout]   15:     0x5567fa98fe94 - std::panicking::begin_panic_handler::{{closure}}::hbc4e76194a5e287c
[INFO] [stdout]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/std/src/panicking.rs:664:13
[INFO] [stdout]   16:     0x5567fa98e7d9 - std::sys_common::backtrace::__rust_end_short_backtrace::h847fedc9d1ff7b6d
[INFO] [stdout]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/std/src/sys_common/backtrace.rs:171:18
[INFO] [stdout]   17:     0x5567fa98fbc7 - rust_begin_unwind
[INFO] [stdout]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/std/src/panicking.rs:652:5
[INFO] [stdout]   18:     0x5567fa4f72d3 - core::panicking::panic_fmt::hec11a924b87ce965
[INFO] [stdout]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/core/src/panicking.rs:72:14
[INFO] [stdout]   19:     0x5567fa4f7826 - core::result::unwrap_failed::h382691b96ca8c13a
[INFO] [stdout]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/core/src/result.rs:1654:5
[INFO] [stdout]   20:     0x5567fa74823a - core::result::Result<T,E>::unwrap::hf3b0b9adefa17504
[INFO] [stdout]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/core/src/result.rs:1077:23
[INFO] [stdout]   21:     0x5567fa74823a - maelstrom_layer_fs::tests::Fixture::mount::{{closure}}::h688ac20af9e777e3
[INFO] [stdout]                                at /opt/rustwide/workdir/src/lib.rs:1175:13
[INFO] [stdout]   22:     0x5567fa758477 - maelstrom_layer_fs::tests::read_link::{{closure}}::hfc901a2cb4f0944b
[INFO] [stdout]                                at /opt/rustwide/workdir/src/lib.rs:1352:48
[INFO] [stdout]   23:     0x5567fa599dc2 - <core::pin::Pin<P> as core::future::future::Future>::poll::h58377329fe1be409
[INFO] [stdout]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/core/src/future/future.rs:123:9
[INFO] [stdout]   24:     0x5567fa599e5d - <core::pin::Pin<P> as core::future::future::Future>::poll::h9848842023914f90
[INFO] [stdout]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/core/src/future/future.rs:123:9
[INFO] [stdout]   25:     0x5567fa712bcf - tokio::runtime::scheduler::current_thread::CoreGuard::block_on::{{closure}}::{{closure}}::{{closure}}::hac502fe9d0c8ca72
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/tokio-1.37.0/src/runtime/scheduler/current_thread/mod.rs:659:57
[INFO] [stdout]   26:     0x5567fa712b15 - tokio::runtime::coop::with_budget::h5772473feedf75e6
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/tokio-1.37.0/src/runtime/coop.rs:107:5
[INFO] [stdout]   27:     0x5567fa712b15 - tokio::runtime::coop::budget::h1cedff380d0d76fe
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/tokio-1.37.0/src/runtime/coop.rs:73:5
[INFO] [stdout]   28:     0x5567fa712b15 - tokio::runtime::scheduler::current_thread::CoreGuard::block_on::{{closure}}::{{closure}}::h8c4e90f535c36b70
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/tokio-1.37.0/src/runtime/scheduler/current_thread/mod.rs:659:25
[INFO] [stdout]   29:     0x5567fa7118e0 - tokio::runtime::scheduler::current_thread::Context::enter::ha7498cf055706cab
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/tokio-1.37.0/src/runtime/scheduler/current_thread/mod.rs:404:19
[INFO] [stdout]   30:     0x5567fa71238b - tokio::runtime::scheduler::current_thread::CoreGuard::block_on::{{closure}}::h2b9b5f0577e897e9
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/tokio-1.37.0/src/runtime/scheduler/current_thread/mod.rs:658:36
[INFO] [stdout]   31:     0x5567fa712104 - tokio::runtime::scheduler::current_thread::CoreGuard::enter::{{closure}}::h56418ae36458e166
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/tokio-1.37.0/src/runtime/scheduler/current_thread/mod.rs:737:68
[INFO] [stdout]   32:     0x5567fa61277b - tokio::runtime::context::scoped::Scoped<T>::set::h7aa088ea4c80d610
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/tokio-1.37.0/src/runtime/context/scoped.rs:40:9
[INFO] [stdout]   33:     0x5567fa637809 - tokio::runtime::context::set_scheduler::{{closure}}::h94afc82b84f19872
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/tokio-1.37.0/src/runtime/context.rs:176:26
[INFO] [stdout]   34:     0x5567fa736ae0 - std::thread::local::LocalKey<T>::try_with::ha55e4718acbc58e5
[INFO] [stdout]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/std/src/thread/local.rs:286:12
[INFO] [stdout]   35:     0x5567fa7357da - std::thread::local::LocalKey<T>::with::h6754b1d50501e148
[INFO] [stdout]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/std/src/thread/local.rs:262:9
[INFO] [stdout]   36:     0x5567fa6377bd - tokio::runtime::context::set_scheduler::ha0fadfb0270ced03
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/tokio-1.37.0/src/runtime/context.rs:176:9
[INFO] [stdout]   37:     0x5567fa711eb0 - tokio::runtime::scheduler::current_thread::CoreGuard::enter::h387c7036b2984b21
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/tokio-1.37.0/src/runtime/scheduler/current_thread/mod.rs:737:27
[INFO] [stdout]   38:     0x5567fa712123 - tokio::runtime::scheduler::current_thread::CoreGuard::block_on::h3b5a535448cb2a21
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/tokio-1.37.0/src/runtime/scheduler/current_thread/mod.rs:646:19
[INFO] [stdout]   39:     0x5567fa70edcd - tokio::runtime::scheduler::current_thread::CurrentThread::block_on::{{closure}}::h1f48cb6748fafaa3
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/tokio-1.37.0/src/runtime/scheduler/current_thread/mod.rs:175:28
[INFO] [stdout]   40:     0x5567fa6128f6 - tokio::runtime::context::runtime::enter_runtime::h846190051fdbaffa
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/tokio-1.37.0/src/runtime/context/runtime.rs:65:16
[INFO] [stdout]   41:     0x5567fa70ece1 - tokio::runtime::scheduler::current_thread::CurrentThread::block_on::hcf7c6cc1d46a8f78
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/tokio-1.37.0/src/runtime/scheduler/current_thread/mod.rs:167:9
[INFO] [stdout]   42:     0x5567fa5998dd - tokio::runtime::runtime::Runtime::block_on::h6348c955ebacc02c
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/tokio-1.37.0/src/runtime/runtime.rs:349:47
[INFO] [stdout]   43:     0x5567fa757cc0 - maelstrom_layer_fs::tests::read_link::hf4a49209e9c32f46
[INFO] [stdout]                                at /opt/rustwide/workdir/src/lib.rs:1368:9
[INFO] [stdout]   44:     0x5567fa757b57 - maelstrom_layer_fs::tests::read_link::{{closure}}::hdc492aff0ec4edc8
[INFO] [stdout]                                at /opt/rustwide/workdir/src/lib.rs:1342:25
[INFO] [stdout]   45:     0x5567fa4fb666 - core::ops::function::FnOnce::call_once::hb77d71f3ff093c84
[INFO] [stdout]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   46:     0x5567fa7a193b - core::ops::function::FnOnce::call_once::h2e43a8f6f3d94b99
[INFO] [stdout]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   47:     0x5567fa7a193b - test::__rust_begin_short_backtrace::h214c9f2d2d3fee90
[INFO] [stdout]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/test/src/lib.rs:625:18
[INFO] [stdout]   48:     0x5567fa7a1041 - test::run_test_in_process::{{closure}}::h510b7ba7990692a5
[INFO] [stdout]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/test/src/lib.rs:648:60
[INFO] [stdout]   49:     0x5567fa7a1041 - <core::panic::unwind_safe::AssertUnwindSafe<F> as core::ops::function::FnOnce<()>>::call_once::h4157186197a93871
[INFO] [stdout]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/core/src/panic/unwind_safe.rs:272:9
[INFO] [stdout]   50:     0x5567fa7a1041 - std::panicking::try::do_call::h1bf2463bccd4b28c
[INFO] [stdout]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/std/src/panicking.rs:559:40
[INFO] [stdout]   51:     0x5567fa7a1041 - std::panicking::try::hd6d4808c9fab4fa5
[INFO] [stdout]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/std/src/panicking.rs:523:19
[INFO] [stdout]   52:     0x5567fa7a1041 - std::panic::catch_unwind::hd5641d97d123f9f2
[INFO] [stdout]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/std/src/panic.rs:149:14
[INFO] [stdout]   53:     0x5567fa7a1041 - test::run_test_in_process::hc273b71c8b878a4c
[INFO] [stdout]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/test/src/lib.rs:648:27
[INFO] [stdout]   54:     0x5567fa7a1041 - test::run_test::{{closure}}::h6838df834eb8467e
[INFO] [stdout]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/test/src/lib.rs:569:43
[INFO] [stdout]   55:     0x5567fa769a04 - test::run_test::{{closure}}::h608b98ecff5665fb
[INFO] [stdout]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/test/src/lib.rs:599:41
[INFO] [stdout]   56:     0x5567fa769a04 - std::sys_common::backtrace::__rust_begin_short_backtrace::hdc4182b97d1042e9
[INFO] [stdout]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/std/src/sys_common/backtrace.rs:155:18
[INFO] [stdout]   57:     0x5567fa76e432 - std::thread::Builder::spawn_unchecked_::{{closure}}::{{closure}}::h571773fd21d674c8
[INFO] [stdout]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/std/src/thread/mod.rs:542:17
[INFO] [stdout]   58:     0x5567fa76e432 - <core::panic::unwind_safe::AssertUnwindSafe<F> as core::ops::function::FnOnce<()>>::call_once::hdcd384cf2fa70ba3
[INFO] [stdout]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/core/src/panic/unwind_safe.rs:272:9
[INFO] [stdout]   59:     0x5567fa76e432 - std::panicking::try::do_call::h4f1a44bd81423be1
[INFO] [stdout]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/std/src/panicking.rs:559:40
[INFO] [stdout]   60:     0x5567fa76e432 - std::panicking::try::h5e02afcb81dcd361
[INFO] [stdout]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/std/src/panicking.rs:523:19
[INFO] [stdout]   61:     0x5567fa76e432 - std::panic::catch_unwind::h022f75775bfd8c45
[INFO] [stdout]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/std/src/panic.rs:149:14
[INFO] [stdout]   62:     0x5567fa76e432 - std::thread::Builder::spawn_unchecked_::{{closure}}::hf5a62e9e4e6df1f8
[INFO] [stdout]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/std/src/thread/mod.rs:541:30
[INFO] [stdout]   63:     0x5567fa76e432 - core::ops::function::FnOnce::call_once{{vtable.shim}}::h6d56360aeb9509a7
[INFO] [stdout]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   64:     0x5567fa995cab - <alloc::boxed::Box<F,A> as core::ops::function::FnOnce<Args>>::call_once::h7a343dc551c06baa
[INFO] [stdout]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/alloc/src/boxed.rs:2022:9
[INFO] [stdout]   65:     0x5567fa995cab - <alloc::boxed::Box<F,A> as core::ops::function::FnOnce<Args>>::call_once::h30b8111cbaa644f3
[INFO] [stdout]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/alloc/src/boxed.rs:2022:9
[INFO] [stdout]   66:     0x5567fa995cab - std::sys::pal::unix::thread::Thread::new::thread_start::h7404e134e61e7a11
[INFO] [stdout]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/std/src/sys/pal/unix/thread.rs:108:17
[INFO] [stdout]   67:     0x7f8ed1606ac3 - <unknown>
[INFO] [stdout]   68:     0x7f8ed1697a04 - __clone
[INFO] [stdout]   69:                0x0 - <unknown>
[INFO] [stdout] 
[INFO] [stdout] ---- tests::read_inline stdout ----
[INFO] [stdout] May 25 05:23:31.989 DEBG mounting FUSE file-system in namespace
[INFO] [stdout] thread 'tests::read_inline' panicked at src/lib.rs:1178:18:
[INFO] [stdout] called `Result::unwrap()` on an `Err` value: ENOSYS: Function not implemented
[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/index.crates.io-6f17d22bba15001f/anyhow-1.0.82/src/backtrace.rs:27:14
[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/1871252fc8bb672d40787e67404e6eaae7059369/library/core/src/result.rs:1964:27
[INFO] [stdout]    2: maelstrom_fuse::fuse_mount_namespace::{{closure}}::{{closure}}
[INFO] [stdout]              at /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/maelstrom-fuse-0.8.0/src/lib.rs:127:27
[INFO] [stdout]    3: <tokio::runtime::blocking::task::BlockingTask<T> as core::future::future::Future>::poll
[INFO] [stdout]              at /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/tokio-1.37.0/src/runtime/blocking/task.rs:42:21
[INFO] [stdout]    4: tokio::runtime::task::core::Core<T,S>::poll::{{closure}}
[INFO] [stdout]              at /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/tokio-1.37.0/src/runtime/task/core.rs:328:17
[INFO] [stdout]    5: tokio::loom::std::unsafe_cell::UnsafeCell<T>::with_mut
[INFO] [stdout]              at /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/tokio-1.37.0/src/loom/std/unsafe_cell.rs:16:9
[INFO] [stdout]    6: tokio::runtime::task::core::Core<T,S>::poll
[INFO] [stdout]              at /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/tokio-1.37.0/src/runtime/task/core.rs:317:13
[INFO] [stdout]    7: tokio::runtime::task::harness::poll_future::{{closure}}
[INFO] [stdout]              at /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/tokio-1.37.0/src/runtime/task/harness.rs:485:19
[INFO] [stdout]    8: <core::panic::unwind_safe::AssertUnwindSafe<F> as core::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]              at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/core/src/panic/unwind_safe.rs:272:9
[INFO] [stdout]    9: std::panicking::try::do_call
[INFO] [stdout]              at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/std/src/panicking.rs:559:40
[INFO] [stdout]   10: __rust_try
[INFO] [stdout]   11: std::panicking::try
[INFO] [stdout]              at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/std/src/panicking.rs:523:19
[INFO] [stdout]   12: std::panic::catch_unwind
[INFO] [stdout]              at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/std/src/panic.rs:149:14
[INFO] [stdout]   13: tokio::runtime::task::harness::poll_future
[INFO] [stdout]              at /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/tokio-1.37.0/src/runtime/task/harness.rs:473:18
[INFO] [stdout]   14: tokio::runtime::task::harness::Harness<T,S>::poll_inner
[INFO] [stdout]              at /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/tokio-1.37.0/src/runtime/task/harness.rs:208:27
[INFO] [stdout]   15: tokio::runtime::task::harness::Harness<T,S>::poll
[INFO] [stdout]              at /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/tokio-1.37.0/src/runtime/task/harness.rs:153:15
[INFO] [stdout]   16: tokio::runtime::task::raw::poll
[INFO] [stdout]              at /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/tokio-1.37.0/src/runtime/task/raw.rs:271:5
[INFO] [stdout]   17: tokio::runtime::task::raw::RawTask::poll
[INFO] [stdout]              at /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/tokio-1.37.0/src/runtime/task/raw.rs:201:18
[INFO] [stdout]   18: tokio::runtime::task::UnownedTask<S>::run
[INFO] [stdout]              at /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/tokio-1.37.0/src/runtime/task/mod.rs:464:9
[INFO] [stdout]   19: tokio::runtime::blocking::pool::Task::run
[INFO] [stdout]              at /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/tokio-1.37.0/src/runtime/blocking/pool.rs:159:9
[INFO] [stdout]   20: tokio::runtime::blocking::pool::Inner::run
[INFO] [stdout]              at /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/tokio-1.37.0/src/runtime/blocking/pool.rs:513:17
[INFO] [stdout]   21: tokio::runtime::blocking::pool::Spawner::spawn_thread::{{closure}}
[INFO] [stdout]              at /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/tokio-1.37.0/src/runtime/blocking/pool.rs:471:13
[INFO] [stdout]   22: std::sys_common::backtrace::__rust_begin_short_backtrace
[INFO] [stdout]              at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/std/src/sys_common/backtrace.rs:155:18
[INFO] [stdout]   23: std::thread::Builder::spawn_unchecked_::{{closure}}::{{closure}}
[INFO] [stdout]              at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/std/src/thread/mod.rs:542:17
[INFO] [stdout]   24: <core::panic::unwind_safe::AssertUnwindSafe<F> as core::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]              at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/core/src/panic/unwind_safe.rs:272:9
[INFO] [stdout]   25: std::panicking::try::do_call
[INFO] [stdout]              at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/std/src/panicking.rs:559:40
[INFO] [stdout]   26: __rust_try
[INFO] [stdout]   27: std::panicking::try
[INFO] [stdout]              at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/std/src/panicking.rs:523:19
[INFO] [stdout]   28: std::panic::catch_unwind
[INFO] [stdout]              at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/std/src/panic.rs:149:14
[INFO] [stdout]   29: std::thread::Builder::spawn_unchecked_::{{closure}}
[INFO] [stdout]              at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/std/src/thread/mod.rs:541:30
[INFO] [stdout]   30: core::ops::function::FnOnce::call_once{{vtable.shim}}
[INFO] [stdout]              at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   31: <alloc::boxed::Box<F,A> as core::ops::function::FnOnce<Args>>::call_once
[INFO] [stdout]              at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/alloc/src/boxed.rs:2022:9
[INFO] [stdout]   32: <alloc::boxed::Box<F,A> as core::ops::function::FnOnce<Args>>::call_once
[INFO] [stdout]              at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/alloc/src/boxed.rs:2022:9
[INFO] [stdout]   33: std::sys::pal::unix::thread::Thread::new::thread_start
[INFO] [stdout]              at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/std/src/sys/pal/unix/thread.rs:108:17
[INFO] [stdout]   34: <unknown>
[INFO] [stdout]   35: __clone
[INFO] [stdout] stack backtrace:
[INFO] [stdout]    0:     0x5567fa98e315 - std::backtrace_rs::backtrace::libunwind::trace::h59d96bdb08384354
[INFO] [stdout]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/std/src/../../backtrace/src/backtrace/libunwind.rs:105:5
[INFO] [stdout]    1:     0x5567fa98e315 - std::backtrace_rs::backtrace::trace_unsynchronized::h9cf5becacfc93fba
[INFO] [stdout]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/std/src/../../backtrace/src/backtrace/mod.rs:66:5
[INFO] [stdout]    2:     0x5567fa98e315 - std::sys_common::backtrace::_print_fmt::h10b76d10405dbd48
[INFO] [stdout]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/std/src/sys_common/backtrace.rs:68:5
[INFO] [stdout]    3:     0x5567fa98e315 - <std::sys_common::backtrace::_print::DisplayBacktrace as core::fmt::Display>::fmt::h6ed9e62a156d84e4
[INFO] [stdout]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/std/src/sys_common/backtrace.rs:44:22
[INFO] [stdout]    4:     0x5567fa9b767b - core::fmt::rt::Argument::fmt::h645c680983f03c9f
[INFO] [stdout]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/core/src/fmt/rt.rs:165:63
[INFO] [stdout]    5:     0x5567fa9b767b - core::fmt::write::h8bcd80919a02be29
[INFO] [stdout]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/core/src/fmt/mod.rs:1169:21
[INFO] [stdout]    6:     0x5567fa98b51f - std::io::Write::write_fmt::h8d0c47c662cad79c
[INFO] [stdout]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/std/src/io/mod.rs:1835:15
[INFO] [stdout]    7:     0x5567fa98e0ee - std::sys_common::backtrace::_print::h6306f131a28d62b0
[INFO] [stdout]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/std/src/sys_common/backtrace.rs:47:5
[INFO] [stdout]    8:     0x5567fa98e0ee - std::sys_common::backtrace::print::h7079288e0a26dfcc
[INFO] [stdout]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/std/src/sys_common/backtrace.rs:34:9
[INFO] [stdout]    9:     0x5567fa98fb19 - std::panicking::default_hook::{{closure}}::hb063ecec81a736ba
[INFO] [stdout]   10:     0x5567fa98f7de - std::panicking::default_hook::hd56ee406bf547b5c
[INFO] [stdout]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/std/src/panicking.rs:295:9
[INFO] [stdout]   11:     0x5567fa79cf5a - <alloc::boxed::Box<F,A> as core::ops::function::Fn<Args>>::call::he5eacdef44c8728f
[INFO] [stdout]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/alloc/src/boxed.rs:2036:9
[INFO] [stdout]   12:     0x5567fa79cf5a - test::test_main::{{closure}}::h0ec9aed229e79095
[INFO] [stdout]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/test/src/lib.rs:137:21
[INFO] [stdout]   13:     0x5567fa99011b - <alloc::boxed::Box<F,A> as core::ops::function::Fn<Args>>::call::hcbd0d80e1ad4e4f9
[INFO] [stdout]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/alloc/src/boxed.rs:2036:9
[INFO] [stdout]   14:     0x5567fa99011b - std::panicking::rust_panic_with_hook::h624aa3ca42ebb8f2
[INFO] [stdout]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/std/src/panicking.rs:799:13
[INFO] [stdout]   15:     0x5567fa98fe94 - std::panicking::begin_panic_handler::{{closure}}::hbc4e76194a5e287c
[INFO] [stdout]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/std/src/panicking.rs:664:13
[INFO] [stdout]   16:     0x5567fa98e7d9 - std::sys_common::backtrace::__rust_end_short_backtrace::h847fedc9d1ff7b6d
[INFO] [stdout]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/std/src/sys_common/backtrace.rs:171:18
[INFO] [stdout]   17:     0x5567fa98fbc7 - rust_begin_unwind
[INFO] [stdout]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/std/src/panicking.rs:652:5
[INFO] [stdout]   18:     0x5567fa4f72d3 - core::panicking::panic_fmt::hec11a924b87ce965
[INFO] [stdout]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/core/src/panicking.rs:72:14
[INFO] [stdout]   19:     0x5567fa4f7826 - core::result::unwrap_failed::h382691b96ca8c13a
[INFO] [stdout]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/core/src/result.rs:1654:5
[INFO] [stdout]   20:     0x5567fa74823a - core::result::Result<T,E>::unwrap::hf3b0b9adefa17504
[INFO] [stdout]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/core/src/result.rs:1077:23
[INFO] [stdout]   21:     0x5567fa74823a - maelstrom_layer_fs::tests::Fixture::mount::{{closure}}::h688ac20af9e777e3
[INFO] [stdout]                                at /opt/rustwide/workdir/src/lib.rs:1175:13
[INFO] [stdout]   22:     0x5567fa75744a - maelstrom_layer_fs::tests::read_inline::{{closure}}::h85f3e82e800a2805
[INFO] [stdout]                                at /opt/rustwide/workdir/src/lib.rs:1325:48
[INFO] [stdout]   23:     0x5567fa599dc2 - <core::pin::Pin<P> as core::future::future::Future>::poll::h58377329fe1be409
[INFO] [stdout]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/core/src/future/future.rs:123:9
[INFO] [stdout]   24:     0x5567fa599e5d - <core::pin::Pin<P> as core::future::future::Future>::poll::h9848842023914f90
[INFO] [stdout]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/core/src/future/future.rs:123:9
[INFO] [stdout]   25:     0x5567fa712bcf - tokio::runtime::scheduler::current_thread::CoreGuard::block_on::{{closure}}::{{closure}}::{{closure}}::hac502fe9d0c8ca72
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/tokio-1.37.0/src/runtime/scheduler/current_thread/mod.rs:659:57
[INFO] [stdout]   26:     0x5567fa712b15 - tokio::runtime::coop::with_budget::h5772473feedf75e6
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/tokio-1.37.0/src/runtime/coop.rs:107:5
[INFO] [stdout]   27:     0x5567fa712b15 - tokio::runtime::coop::budget::h1cedff380d0d76fe
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/tokio-1.37.0/src/runtime/coop.rs:73:5
[INFO] [stdout]   28:     0x5567fa712b15 - tokio::runtime::scheduler::current_thread::CoreGuard::block_on::{{closure}}::{{closure}}::h8c4e90f535c36b70
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/tokio-1.37.0/src/runtime/scheduler/current_thread/mod.rs:659:25
[INFO] [stdout]   29:     0x5567fa7118e0 - tokio::runtime::scheduler::current_thread::Context::enter::ha7498cf055706cab
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/tokio-1.37.0/src/runtime/scheduler/current_thread/mod.rs:404:19
[INFO] [stdout]   30:     0x5567fa71238b - tokio::runtime::scheduler::current_thread::CoreGuard::block_on::{{closure}}::h2b9b5f0577e897e9
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/tokio-1.37.0/src/runtime/scheduler/current_thread/mod.rs:658:36
[INFO] [stdout]   31:     0x5567fa712104 - tokio::runtime::scheduler::current_thread::CoreGuard::enter::{{closure}}::h56418ae36458e166
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/tokio-1.37.0/src/runtime/scheduler/current_thread/mod.rs:737:68
[INFO] [stdout]   32:     0x5567fa61277b - tokio::runtime::context::scoped::Scoped<T>::set::h7aa088ea4c80d610
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/tokio-1.37.0/src/runtime/context/scoped.rs:40:9
[INFO] [stdout]   33:     0x5567fa637809 - tokio::runtime::context::set_scheduler::{{closure}}::h94afc82b84f19872
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/tokio-1.37.0/src/runtime/context.rs:176:26
[INFO] [stdout]   34:     0x5567fa736ae0 - std::thread::local::LocalKey<T>::try_with::ha55e4718acbc58e5
[INFO] [stdout]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/std/src/thread/local.rs:286:12
[INFO] [stdout]   35:     0x5567fa7357da - std::thread::local::LocalKey<T>::with::h6754b1d50501e148
[INFO] [stdout]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/std/src/thread/local.rs:262:9
[INFO] [stdout]   36:     0x5567fa6377bd - tokio::runtime::context::set_scheduler::ha0fadfb0270ced03
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/tokio-1.37.0/src/runtime/context.rs:176:9
[INFO] [stdout]   37:     0x5567fa711eb0 - tokio::runtime::scheduler::current_thread::CoreGuard::enter::h387c7036b2984b21
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/tokio-1.37.0/src/runtime/scheduler/current_thread/mod.rs:737:27
[INFO] [stdout]   38:     0x5567fa712123 - tokio::runtime::scheduler::current_thread::CoreGuard::block_on::h3b5a535448cb2a21
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/tokio-1.37.0/src/runtime/scheduler/current_thread/mod.rs:646:19
[INFO] [stdout]   39:     0x5567fa70edcd - tokio::runtime::scheduler::current_thread::CurrentThread::block_on::{{closure}}::h1f48cb6748fafaa3
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/tokio-1.37.0/src/runtime/scheduler/current_thread/mod.rs:175:28
[INFO] [stdout]   40:     0x5567fa6128f6 - tokio::runtime::context::runtime::enter_runtime::h846190051fdbaffa
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/tokio-1.37.0/src/runtime/context/runtime.rs:65:16
[INFO] [stdout]   41:     0x5567fa70ece1 - tokio::runtime::scheduler::current_thread::CurrentThread::block_on::hcf7c6cc1d46a8f78
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/tokio-1.37.0/src/runtime/scheduler/current_thread/mod.rs:167:9
[INFO] [stdout]   42:     0x5567fa5998dd - tokio::runtime::runtime::Runtime::block_on::h6348c955ebacc02c
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/tokio-1.37.0/src/runtime/runtime.rs:349:47
[INFO] [stdout]   43:     0x5567fa756c30 - maelstrom_layer_fs::tests::read_inline::hdb973534ec42f6a1
[INFO] [stdout]                                at /opt/rustwide/workdir/src/lib.rs:1338:9
[INFO] [stdout]   44:     0x5567fa756ac7 - maelstrom_layer_fs::tests::read_inline::{{closure}}::h25b4298056f0f04f
[INFO] [stdout]                                at /opt/rustwide/workdir/src/lib.rs:1314:27
[INFO] [stdout]   45:     0x5567fa4fc3f6 - core::ops::function::FnOnce::call_once::he39c9040bfcace7a
[INFO] [stdout]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   46:     0x5567fa7a193b - core::ops::function::FnOnce::call_once::h2e43a8f6f3d94b99
[INFO] [stdout]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   47:     0x5567fa7a193b - test::__rust_begin_short_backtrace::h214c9f2d2d3fee90
[INFO] [stdout]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/test/src/lib.rs:625:18
[INFO] [stdout]   48:     0x5567fa7a1041 - test::run_test_in_process::{{closure}}::h510b7ba7990692a5
[INFO] [stdout]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/test/src/lib.rs:648:60
[INFO] [stdout]   49:     0x5567fa7a1041 - <core::panic::unwind_safe::AssertUnwindSafe<F> as core::ops::function::FnOnce<()>>::call_once::h4157186197a93871
[INFO] [stdout]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/core/src/panic/unwind_safe.rs:272:9
[INFO] [stdout]   50:     0x5567fa7a1041 - std::panicking::try::do_call::h1bf2463bccd4b28c
[INFO] [stdout]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/std/src/panicking.rs:559:40
[INFO] [stdout]   51:     0x5567fa7a1041 - std::panicking::try::hd6d4808c9fab4fa5
[INFO] [stdout]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/std/src/panicking.rs:523:19
[INFO] [stdout]   52:     0x5567fa7a1041 - std::panic::catch_unwind::hd5641d97d123f9f2
[INFO] [stdout]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/std/src/panic.rs:149:14
[INFO] [stdout]   53:     0x5567fa7a1041 - test::run_test_in_process::hc273b71c8b878a4c
[INFO] [stdout]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/test/src/lib.rs:648:27
[INFO] [stdout]   54:     0x5567fa7a1041 - test::run_test::{{closure}}::h6838df834eb8467e
[INFO] [stdout]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/test/src/lib.rs:569:43
[INFO] [stdout]   55:     0x5567fa769a04 - test::run_test::{{closure}}::h608b98ecff5665fb
[INFO] [stdout]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/test/src/lib.rs:599:41
[INFO] [stdout]   56:     0x5567fa769a04 - std::sys_common::backtrace::__rust_begin_short_backtrace::hdc4182b97d1042e9
[INFO] [stdout]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/std/src/sys_common/backtrace.rs:155:18
[INFO] [stdout]   57:     0x5567fa76e432 - std::thread::Builder::spawn_unchecked_::{{closure}}::{{closure}}::h571773fd21d674c8
[INFO] [stdout]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/std/src/thread/mod.rs:542:17
[INFO] [stdout]   58:     0x5567fa76e432 - <core::panic::unwind_safe::AssertUnwindSafe<F> as core::ops::function::FnOnce<()>>::call_once::hdcd384cf2fa70ba3
[INFO] [stdout]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/core/src/panic/unwind_safe.rs:272:9
[INFO] [stdout]   59:     0x5567fa76e432 - std::panicking::try::do_call::h4f1a44bd81423be1
[INFO] [stdout]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/std/src/panicking.rs:559:40
[INFO] [stdout]   60:     0x5567fa76e432 - std::panicking::try::h5e02afcb81dcd361
[INFO] [stdout]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/std/src/panicking.rs:523:19
[INFO] [stdout]   61:     0x5567fa76e432 - std::panic::catch_unwind::h022f75775bfd8c45
[INFO] [stdout]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/std/src/panic.rs:149:14
[INFO] [stdout]   62:     0x5567fa76e432 - std::thread::Builder::spawn_unchecked_::{{closure}}::hf5a62e9e4e6df1f8
[INFO] [stdout]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/std/src/thread/mod.rs:541:30
[INFO] [stdout]   63:     0x5567fa76e432 - core::ops::function::FnOnce::call_once{{vtable.shim}}::h6d56360aeb9509a7
[INFO] [stdout]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   64:     0x5567fa995cab - <alloc::boxed::Box<F,A> as core::ops::function::FnOnce<Args>>::call_once::h7a343dc551c06baa
[INFO] [stdout]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/alloc/src/boxed.rs:2022:9
[INFO] [stdout]   65:     0x5567fa995cab - <alloc::boxed::Box<F,A> as core::ops::function::FnOnce<Args>>::call_once::h30b8111cbaa644f3
[INFO] [stdout]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/alloc/src/boxed.rs:2022:9
[INFO] [stdout]   66:     0x5567fa995cab - std::sys::pal::unix::thread::Thread::new::thread_start::h7404e134e61e7a11
[INFO] [stdout]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/std/src/sys/pal/unix/thread.rs:108:17
[INFO] [stdout]   67:     0x7f8ed1606ac3 - <unknown>
[INFO] [stdout]   68:     0x7f8ed1697a04 - __clone
[INFO] [stdout]   69:                0x0 - <unknown>
[INFO] [stdout] 
[INFO] [stdout] ---- tests::layer_from_manifest stdout ----
[INFO] [stdout] May 25 05:23:31.995 DEBG mounting FUSE file-system in namespace
[INFO] [stdout] thread 'tests::layer_from_manifest' panicked at src/lib.rs:1178:18:
[INFO] [stdout] called `Result::unwrap()` on an `Err` value: ENOSYS: Function not implemented
[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/index.crates.io-6f17d22bba15001f/anyhow-1.0.82/src/backtrace.rs:27:14
[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/1871252fc8bb672d40787e67404e6eaae7059369/library/core/src/result.rs:1964:27
[INFO] [stdout]    2: maelstrom_fuse::fuse_mount_namespace::{{closure}}::{{closure}}
[INFO] [stdout]              at /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/maelstrom-fuse-0.8.0/src/lib.rs:127:27
[INFO] [stdout]    3: <tokio::runtime::blocking::task::BlockingTask<T> as core::future::future::Future>::poll
[INFO] [stdout]              at /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/tokio-1.37.0/src/runtime/blocking/task.rs:42:21
[INFO] [stdout]    4: tokio::runtime::task::core::Core<T,S>::poll::{{closure}}
[INFO] [stdout]              at /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/tokio-1.37.0/src/runtime/task/core.rs:328:17
[INFO] [stdout]    5: tokio::loom::std::unsafe_cell::UnsafeCell<T>::with_mut
[INFO] [stdout]              at /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/tokio-1.37.0/src/loom/std/unsafe_cell.rs:16:9
[INFO] [stdout]    6: tokio::runtime::task::core::Core<T,S>::poll
[INFO] [stdout]              at /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/tokio-1.37.0/src/runtime/task/core.rs:317:13
[INFO] [stdout]    7: tokio::runtime::task::harness::poll_future::{{closure}}
[INFO] [stdout]              at /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/tokio-1.37.0/src/runtime/task/harness.rs:485:19
[INFO] [stdout]    8: <core::panic::unwind_safe::AssertUnwindSafe<F> as core::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]              at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/core/src/panic/unwind_safe.rs:272:9
[INFO] [stdout]    9: std::panicking::try::do_call
[INFO] [stdout]              at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/std/src/panicking.rs:559:40
[INFO] [stdout]   10: __rust_try
[INFO] [stdout]   11: std::panicking::try
[INFO] [stdout]              at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/std/src/panicking.rs:523:19
[INFO] [stdout]   12: std::panic::catch_unwind
[INFO] [stdout]              at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/std/src/panic.rs:149:14
[INFO] [stdout]   13: tokio::runtime::task::harness::poll_future
[INFO] [stdout]              at /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/tokio-1.37.0/src/runtime/task/harness.rs:473:18
[INFO] [stdout]   14: tokio::runtime::task::harness::Harness<T,S>::poll_inner
[INFO] [stdout]              at /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/tokio-1.37.0/src/runtime/task/harness.rs:208:27
[INFO] [stdout]   15: tokio::runtime::task::harness::Harness<T,S>::poll
[INFO] [stdout]              at /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/tokio-1.37.0/src/runtime/task/harness.rs:153:15
[INFO] [stdout]   16: tokio::runtime::task::raw::poll
[INFO] [stdout]              at /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/tokio-1.37.0/src/runtime/task/raw.rs:271:5
[INFO] [stdout]   17: tokio::runtime::task::raw::RawTask::poll
[INFO] [stdout]              at /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/tokio-1.37.0/src/runtime/task/raw.rs:201:18
[INFO] [stdout]   18: tokio::runtime::task::UnownedTask<S>::run
[INFO] [stdout]              at /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/tokio-1.37.0/src/runtime/task/mod.rs:464:9
[INFO] [stdout]   19: tokio::runtime::blocking::pool::Task::run
[INFO] [stdout]              at /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/tokio-1.37.0/src/runtime/blocking/pool.rs:159:9
[INFO] [stdout]   20: tokio::runtime::blocking::pool::Inner::run
[INFO] [stdout]              at /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/tokio-1.37.0/src/runtime/blocking/pool.rs:513:17
[INFO] [stdout]   21: tokio::runtime::blocking::pool::Spawner::spawn_thread::{{closure}}
[INFO] [stdout]              at /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/tokio-1.37.0/src/runtime/blocking/pool.rs:471:13
[INFO] [stdout]   22: std::sys_common::backtrace::__rust_begin_short_backtrace
[INFO] [stdout]              at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/std/src/sys_common/backtrace.rs:155:18
[INFO] [stdout]   23: std::thread::Builder::spawn_unchecked_::{{closure}}::{{closure}}
[INFO] [stdout]              at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/std/src/thread/mod.rs:542:17
[INFO] [stdout]   24: <core::panic::unwind_safe::AssertUnwindSafe<F> as core::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]              at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/core/src/panic/unwind_safe.rs:272:9
[INFO] [stdout]   25: std::panicking::try::do_call
[INFO] [stdout]              at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/std/src/panicking.rs:559:40
[INFO] [stdout]   26: __rust_try
[INFO] [stdout]   27: std::panicking::try
[INFO] [stdout]              at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/std/src/panicking.rs:523:19
[INFO] [stdout]   28: std::panic::catch_unwind
[INFO] [stdout]              at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/std/src/panic.rs:149:14
[INFO] [stdout]   29: std::thread::Builder::spawn_unchecked_::{{closure}}
[INFO] [stdout]              at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/std/src/thread/mod.rs:541:30
[INFO] [stdout]   30: core::ops::function::FnOnce::call_once{{vtable.shim}}
[INFO] [stdout]              at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   31: <alloc::boxed::Box<F,A> as core::ops::function::FnOnce<Args>>::call_once
[INFO] [stdout]              at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/alloc/src/boxed.rs:2022:9
[INFO] [stdout]   32: <alloc::boxed::Box<F,A> as core::ops::function::FnOnce<Args>>::call_once
[INFO] [stdout]              at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/alloc/src/boxed.rs:2022:9
[INFO] [stdout]   33: std::sys::pal::unix::thread::Thread::new::thread_start
[INFO] [stdout]              at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/std/src/sys/pal/unix/thread.rs:108:17
[INFO] [stdout]   34: <unknown>
[INFO] [stdout]   35: __clone
[INFO] [stdout] stack backtrace:
[INFO] [stdout]    0:     0x5567fa98e315 - std::backtrace_rs::backtrace::libunwind::trace::h59d96bdb08384354
[INFO] [stdout]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/std/src/../../backtrace/src/backtrace/libunwind.rs:105:5
[INFO] [stdout]    1:     0x5567fa98e315 - std::backtrace_rs::backtrace::trace_unsynchronized::h9cf5becacfc93fba
[INFO] [stdout]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/std/src/../../backtrace/src/backtrace/mod.rs:66:5
[INFO] [stdout]    2:     0x5567fa98e315 - std::sys_common::backtrace::_print_fmt::h10b76d10405dbd48
[INFO] [stdout]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/std/src/sys_common/backtrace.rs:68:5
[INFO] [stdout]    3:     0x5567fa98e315 - <std::sys_common::backtrace::_print::DisplayBacktrace as core::fmt::Display>::fmt::h6ed9e62a156d84e4
[INFO] [stdout]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/std/src/sys_common/backtrace.rs:44:22
[INFO] [stdout]    4:     0x5567fa9b767b - core::fmt::rt::Argument::fmt::h645c680983f03c9f
[INFO] [stdout]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/core/src/fmt/rt.rs:165:63
[INFO] [stdout]    5:     0x5567fa9b767b - core::fmt::write::h8bcd80919a02be29
[INFO] [stdout]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/core/src/fmt/mod.rs:1169:21
[INFO] [stdout]    6:     0x5567fa98b51f - std::io::Write::write_fmt::h8d0c47c662cad79c
[INFO] [stdout]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/std/src/io/mod.rs:1835:15
[INFO] [stdout]    7:     0x5567fa98e0ee - std::sys_common::backtrace::_print::h6306f131a28d62b0
[INFO] [stdout]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/std/src/sys_common/backtrace.rs:47:5
[INFO] [stdout]    8:     0x5567fa98e0ee - std::sys_common::backtrace::print::h7079288e0a26dfcc
[INFO] [stdout]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/std/src/sys_common/backtrace.rs:34:9
[INFO] [stdout]    9:     0x5567fa98fb19 - std::panicking::default_hook::{{closure}}::hb063ecec81a736ba
[INFO] [stdout]   10:     0x5567fa98f7de - std::panicking::default_hook::hd56ee406bf547b5c
[INFO] [stdout]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/std/src/panicking.rs:295:9
[INFO] [stdout]   11:     0x5567fa79cf5a - <alloc::boxed::Box<F,A> as core::ops::function::Fn<Args>>::call::he5eacdef44c8728f
[INFO] [stdout]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/alloc/src/boxed.rs:2036:9
[INFO] [stdout]   12:     0x5567fa79cf5a - test::test_main::{{closure}}::h0ec9aed229e79095
[INFO] [stdout]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/test/src/lib.rs:137:21
[INFO] [stdout]   13:     0x5567fa99011b - <alloc::boxed::Box<F,A> as core::ops::function::Fn<Args>>::call::hcbd0d80e1ad4e4f9
[INFO] [stdout]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/alloc/src/boxed.rs:2036:9
[INFO] [stdout]   14:     0x5567fa99011b - std::panicking::rust_panic_with_hook::h624aa3ca42ebb8f2
[INFO] [stdout]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/std/src/panicking.rs:799:13
[INFO] [stdout]   15:     0x5567fa98fe94 - std::panicking::begin_panic_handler::{{closure}}::hbc4e76194a5e287c
[INFO] [stdout]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/std/src/panicking.rs:664:13
[INFO] [stdout]   16:     0x5567fa98e7d9 - std::sys_common::backtrace::__rust_end_short_backtrace::h847fedc9d1ff7b6d
[INFO] [stdout]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/std/src/sys_common/backtrace.rs:171:18
[INFO] [stdout]   17:     0x5567fa98fbc7 - rust_begin_unwind
[INFO] [stdout]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/std/src/panicking.rs:652:5
[INFO] [stdout]   18:     0x5567fa4f72d3 - core::panicking::panic_fmt::hec11a924b87ce965
[INFO] [stdout]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/core/src/panicking.rs:72:14
[INFO] [stdout]   19:     0x5567fa4f7826 - core::result::unwrap_failed::h382691b96ca8c13a
[INFO] [stdout]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/core/src/result.rs:1654:5
[INFO] [stdout]   20:     0x5567fa74823a - core::result::Result<T,E>::unwrap::hf3b0b9adefa17504
[INFO] [stdout]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/core/src/result.rs:1077:23
[INFO] [stdout]   21:     0x5567fa74823a - maelstrom_layer_fs::tests::Fixture::mount::{{closure}}::h688ac20af9e777e3
[INFO] [stdout]                                at /opt/rustwide/workdir/src/lib.rs:1175:13
[INFO] [stdout]   22:     0x5567fa74b2da - maelstrom_layer_fs::tests::layer_from_tar_or_manifest::{{closure}}::h8417d4d07b9cbf16
[INFO] [stdout]                                at /opt/rustwide/workdir/src/lib.rs:1428:48
[INFO] [stdout]   23:     0x5567fa75aab4 - maelstrom_layer_fs::tests::layer_from_manifest::{{closure}}::he464a3acdccf348a
[INFO] [stdout]                                at /opt/rustwide/workdir/src/lib.rs:1467:10
[INFO] [stdout]   24:     0x5567fa599dc2 - <core::pin::Pin<P> as core::future::future::Future>::poll::h58377329fe1be409
[INFO] [stdout]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/core/src/future/future.rs:123:9
[INFO] [stdout]   25:     0x5567fa599e5d - <core::pin::Pin<P> as core::future::future::Future>::poll::h9848842023914f90
[INFO] [stdout]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/core/src/future/future.rs:123:9
[INFO] [stdout]   26:     0x5567fa712bcf - tokio::runtime::scheduler::current_thread::CoreGuard::block_on::{{closure}}::{{closure}}::{{closure}}::hac502fe9d0c8ca72
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/tokio-1.37.0/src/runtime/scheduler/current_thread/mod.rs:659:57
[INFO] [stdout]   27:     0x5567fa712b15 - tokio::runtime::coop::with_budget::h5772473feedf75e6
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/tokio-1.37.0/src/runtime/coop.rs:107:5
[INFO] [stdout]   28:     0x5567fa712b15 - tokio::runtime::coop::budget::h1cedff380d0d76fe
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/tokio-1.37.0/src/runtime/coop.rs:73:5
[INFO] [stdout]   29:     0x5567fa712b15 - tokio::runtime::scheduler::current_thread::CoreGuard::block_on::{{closure}}::{{closure}}::h8c4e90f535c36b70
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/tokio-1.37.0/src/runtime/scheduler/current_thread/mod.rs:659:25
[INFO] [stdout]   30:     0x5567fa7118e0 - tokio::runtime::scheduler::current_thread::Context::enter::ha7498cf055706cab
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/tokio-1.37.0/src/runtime/scheduler/current_thread/mod.rs:404:19
[INFO] [stdout]   31:     0x5567fa71238b - tokio::runtime::scheduler::current_thread::CoreGuard::block_on::{{closure}}::h2b9b5f0577e897e9
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/tokio-1.37.0/src/runtime/scheduler/current_thread/mod.rs:658:36
[INFO] [stdout]   32:     0x5567fa712104 - tokio::runtime::scheduler::current_thread::CoreGuard::enter::{{closure}}::h56418ae36458e166
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/tokio-1.37.0/src/runtime/scheduler/current_thread/mod.rs:737:68
[INFO] [stdout]   33:     0x5567fa61277b - tokio::runtime::context::scoped::Scoped<T>::set::h7aa088ea4c80d610
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/tokio-1.37.0/src/runtime/context/scoped.rs:40:9
[INFO] [stdout]   34:     0x5567fa637809 - tokio::runtime::context::set_scheduler::{{closure}}::h94afc82b84f19872
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/tokio-1.37.0/src/runtime/context.rs:176:26
[INFO] [stdout]   35:     0x5567fa736ae0 - std::thread::local::LocalKey<T>::try_with::ha55e4718acbc58e5
[INFO] [stdout]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/std/src/thread/local.rs:286:12
[INFO] [stdout]   36:     0x5567fa7357da - std::thread::local::LocalKey<T>::with::h6754b1d50501e148
[INFO] [stdout]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/std/src/thread/local.rs:262:9
[INFO] [stdout]   37:     0x5567fa6377bd - tokio::runtime::context::set_scheduler::ha0fadfb0270ced03
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/tokio-1.37.0/src/runtime/context.rs:176:9
[INFO] [stdout]   38:     0x5567fa711eb0 - tokio::runtime::scheduler::current_thread::CoreGuard::enter::h387c7036b2984b21
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/tokio-1.37.0/src/runtime/scheduler/current_thread/mod.rs:737:27
[INFO] [stdout]   39:     0x5567fa712123 - tokio::runtime::scheduler::current_thread::CoreGuard::block_on::h3b5a535448cb2a21
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/tokio-1.37.0/src/runtime/scheduler/current_thread/mod.rs:646:19
[INFO] [stdout]   40:     0x5567fa70edcd - tokio::runtime::scheduler::current_thread::CurrentThread::block_on::{{closure}}::h1f48cb6748fafaa3
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/tokio-1.37.0/src/runtime/scheduler/current_thread/mod.rs:175:28
[INFO] [stdout]   41:     0x5567fa6128f6 - tokio::runtime::context::runtime::enter_runtime::h846190051fdbaffa
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/tokio-1.37.0/src/runtime/context/runtime.rs:65:16
[INFO] [stdout]   42:     0x5567fa70ece1 - tokio::runtime::scheduler::current_thread::CurrentThread::block_on::hcf7c6cc1d46a8f78
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/tokio-1.37.0/src/runtime/scheduler/current_thread/mod.rs:167:9
[INFO] [stdout]   43:     0x5567fa5998dd - tokio::runtime::runtime::Runtime::block_on::h6348c955ebacc02c
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/tokio-1.37.0/src/runtime/runtime.rs:349:47
[INFO] [stdout]   44:     0x5567fa75a8f1 - maelstrom_layer_fs::tests::layer_from_manifest::hc1ba72f498e951b3
[INFO] [stdout]                                at /opt/rustwide/workdir/src/lib.rs:1464:9
[INFO] [stdout]   45:     0x5567fa75a797 - maelstrom_layer_fs::tests::layer_from_manifest::{{closure}}::h892cf5250eb40473
[INFO] [stdout]                                at /opt/rustwide/workdir/src/lib.rs:1463:35
[INFO] [stdout]   46:     0x5567fa4f9896 - core::ops::function::FnOnce::call_once::h510076f4ca43e7a8
[INFO] [stdout]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   47:     0x5567fa7a193b - core::ops::function::FnOnce::call_once::h2e43a8f6f3d94b99
[INFO] [stdout]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   48:     0x5567fa7a193b - test::__rust_begin_short_backtrace::h214c9f2d2d3fee90
[INFO] [stdout]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/test/src/lib.rs:625:18
[INFO] [stdout]   49:     0x5567fa7a1041 - test::run_test_in_process::{{closure}}::h510b7ba7990692a5
[INFO] [stdout]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/test/src/lib.rs:648:60
[INFO] [stdout]   50:     0x5567fa7a1041 - <core::panic::unwind_safe::AssertUnwindSafe<F> as core::ops::function::FnOnce<()>>::call_once::h4157186197a93871
[INFO] [stdout]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/core/src/panic/unwind_safe.rs:272:9
[INFO] [stdout]   51:     0x5567fa7a1041 - std::panicking::try::do_call::h1bf2463bccd4b28c
[INFO] [stdout]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/std/src/panicking.rs:559:40
[INFO] [stdout]   52:     0x5567fa7a1041 - std::panicking::try::hd6d4808c9fab4fa5
[INFO] [stdout]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/std/src/panicking.rs:523:19
[INFO] [stdout]   53:     0x5567fa7a1041 - std::panic::catch_unwind::hd5641d97d123f9f2
[INFO] [stdout]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/std/src/panic.rs:149:14
[INFO] [stdout]   54:     0x5567fa7a1041 - test::run_test_in_process::hc273b71c8b878a4c
[INFO] [stdout]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/test/src/lib.rs:648:27
[INFO] [stdout]   55:     0x5567fa7a1041 - test::run_test::{{closure}}::h6838df834eb8467e
[INFO] [stdout]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/test/src/lib.rs:569:43
[INFO] [stdout]   56:     0x5567fa769a04 - test::run_test::{{closure}}::h608b98ecff5665fb
[INFO] [stdout]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/test/src/lib.rs:599:41
[INFO] [stdout]   57:     0x5567fa769a04 - std::sys_common::backtrace::__rust_begin_short_backtrace::hdc4182b97d1042e9
[INFO] [stdout]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/std/src/sys_common/backtrace.rs:155:18
[INFO] [stdout]   58:     0x5567fa76e432 - std::thread::Builder::spawn_unchecked_::{{closure}}::{{closure}}::h571773fd21d674c8
[INFO] [stdout]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/std/src/thread/mod.rs:542:17
[INFO] [stdout]   59:     0x5567fa76e432 - <core::panic::unwind_safe::AssertUnwindSafe<F> as core::ops::function::FnOnce<()>>::call_once::hdcd384cf2fa70ba3
[INFO] [stdout]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/core/src/panic/unwind_safe.rs:272:9
[INFO] [stdout]   60:     0x5567fa76e432 - std::panicking::try::do_call::h4f1a44bd81423be1
[INFO] [stdout]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/std/src/panicking.rs:559:40
[INFO] [stdout]   61:     0x5567fa76e432 - std::panicking::try::h5e02afcb81dcd361
[INFO] [stdout]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/std/src/panicking.rs:523:19
[INFO] [stdout]   62:     0x5567fa76e432 - std::panic::catch_unwind::h022f75775bfd8c45
[INFO] [stdout]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/std/src/panic.rs:149:14
[INFO] [stdout]   63:     0x5567fa76e432 - std::thread::Builder::spawn_unchecked_::{{closure}}::hf5a62e9e4e6df1f8
[INFO] [stdout]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/std/src/thread/mod.rs:541:30
[INFO] [stdout]   64:     0x5567fa76e432 - core::ops::function::FnOnce::call_once{{vtable.shim}}::h6d56360aeb9509a7
[INFO] [stdout]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   65:     0x5567fa995cab - <alloc::boxed::Box<F,A> as core::ops::function::FnOnce<Args>>::call_once::h7a343dc551c06baa
[INFO] [stdout]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/alloc/src/boxed.rs:2022:9
[INFO] [stdout]   66:     0x5567fa995cab - <alloc::boxed::Box<F,A> as core::ops::function::FnOnce<Args>>::call_once::h30b8111cbaa644f3
[INFO] [stdout]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/alloc/src/boxed.rs:2022:9
[INFO] [stdout]   67:     0x5567fa995cab - std::sys::pal::unix::thread::Thread::new::thread_start::h7404e134e61e7a11
[INFO] [stdout]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/std/src/sys/pal/unix/thread.rs:108:17
[INFO] [stdout]   68:     0x7f8ed1606ac3 - <unknown>
[INFO] [stdout]   69:     0x7f8ed1697a04 - __clone
[INFO] [stdout]   70:                0x0 - <unknown>
[INFO] [stdout] 
[INFO] [stdout] ---- tests::layer_from_tar stdout ----
[INFO] [stdout] May 25 05:23:31.995 DEBG mounting FUSE file-system in namespace
[INFO] [stdout] thread 'tests::layer_from_tar' panicked at src/lib.rs:1178:18:
[INFO] [stdout] called `Result::unwrap()` on an `Err` value: ENOSYS: Function not implemented
[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/index.crates.io-6f17d22bba15001f/anyhow-1.0.82/src/backtrace.rs:27:14
[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/1871252fc8bb672d40787e67404e6eaae7059369/library/core/src/result.rs:1964:27
[INFO] [stdout]    2: maelstrom_fuse::fuse_mount_namespace::{{closure}}::{{closure}}
[INFO] [stdout]              at /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/maelstrom-fuse-0.8.0/src/lib.rs:127:27
[INFO] [stdout]    3: <tokio::runtime::blocking::task::BlockingTask<T> as core::future::future::Future>::poll
[INFO] [stdout]              at /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/tokio-1.37.0/src/runtime/blocking/task.rs:42:21
[INFO] [stdout]    4: tokio::runtime::task::core::Core<T,S>::poll::{{closure}}
[INFO] [stdout]              at /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/tokio-1.37.0/src/runtime/task/core.rs:328:17
[INFO] [stdout]    5: tokio::loom::std::unsafe_cell::UnsafeCell<T>::with_mut
[INFO] [stdout]              at /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/tokio-1.37.0/src/loom/std/unsafe_cell.rs:16:9
[INFO] [stdout]    6: tokio::runtime::task::core::Core<T,S>::poll
[INFO] [stdout]              at /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/tokio-1.37.0/src/runtime/task/core.rs:317:13
[INFO] [stdout]    7: tokio::runtime::task::harness::poll_future::{{closure}}
[INFO] [stdout]              at /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/tokio-1.37.0/src/runtime/task/harness.rs:485:19
[INFO] [stdout]    8: <core::panic::unwind_safe::AssertUnwindSafe<F> as core::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]              at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/core/src/panic/unwind_safe.rs:272:9
[INFO] [stdout]    9: std::panicking::try::do_call
[INFO] [stdout]              at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/std/src/panicking.rs:559:40
[INFO] [stdout]   10: __rust_try
[INFO] [stdout]   11: std::panicking::try
[INFO] [stdout]              at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/std/src/panicking.rs:523:19
[INFO] [stdout]   12: std::panic::catch_unwind
[INFO] [stdout]              at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/std/src/panic.rs:149:14
[INFO] [stdout]   13: tokio::runtime::task::harness::poll_future
[INFO] [stdout]              at /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/tokio-1.37.0/src/runtime/task/harness.rs:473:18
[INFO] [stdout]   14: tokio::runtime::task::harness::Harness<T,S>::poll_inner
[INFO] [stdout]              at /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/tokio-1.37.0/src/runtime/task/harness.rs:208:27
[INFO] [stdout]   15: tokio::runtime::task::harness::Harness<T,S>::poll
[INFO] [stdout]              at /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/tokio-1.37.0/src/runtime/task/harness.rs:153:15
[INFO] [stdout]   16: tokio::runtime::task::raw::poll
[INFO] [stdout]              at /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/tokio-1.37.0/src/runtime/task/raw.rs:271:5
[INFO] [stdout]   17: tokio::runtime::task::raw::RawTask::poll
[INFO] [stdout]              at /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/tokio-1.37.0/src/runtime/task/raw.rs:201:18
[INFO] [stdout]   18: tokio::runtime::task::UnownedTask<S>::run
[INFO] [stdout]              at /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/tokio-1.37.0/src/runtime/task/mod.rs:464:9
[INFO] [stdout]   19: tokio::runtime::blocking::pool::Task::run
[INFO] [stdout]              at /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/tokio-1.37.0/src/runtime/blocking/pool.rs:159:9
[INFO] [stdout]   20: tokio::runtime::blocking::pool::Inner::run
[INFO] [stdout]              at /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/tokio-1.37.0/src/runtime/blocking/pool.rs:513:17
[INFO] [stdout]   21: tokio::runtime::blocking::pool::Spawner::spawn_thread::{{closure}}
[INFO] [stdout]              at /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/tokio-1.37.0/src/runtime/blocking/pool.rs:471:13
[INFO] [stdout]   22: std::sys_common::backtrace::__rust_begin_short_backtrace
[INFO] [stdout]              at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/std/src/sys_common/backtrace.rs:155:18
[INFO] [stdout]   23: std::thread::Builder::spawn_unchecked_::{{closure}}::{{closure}}
[INFO] [stdout]              at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/std/src/thread/mod.rs:542:17
[INFO] [stdout]   24: <core::panic::unwind_safe::AssertUnwindSafe<F> as core::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]              at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/core/src/panic/unwind_safe.rs:272:9
[INFO] [stdout]   25: std::panicking::try::do_call
[INFO] [stdout]              at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/std/src/panicking.rs:559:40
[INFO] [stdout]   26: __rust_try
[INFO] [stdout]   27: std::panicking::try
[INFO] [stdout]              at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/std/src/panicking.rs:523:19
[INFO] [stdout]   28: std::panic::catch_unwind
[INFO] [stdout]              at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/std/src/panic.rs:149:14
[INFO] [stdout]   29: std::thread::Builder::spawn_unchecked_::{{closure}}
[INFO] [stdout]              at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/std/src/thread/mod.rs:541:30
[INFO] [stdout]   30: core::ops::function::FnOnce::call_once{{vtable.shim}}
[INFO] [stdout]              at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   31: <alloc::boxed::Box<F,A> as core::ops::function::FnOnce<Args>>::call_once
[INFO] [stdout]              at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/alloc/src/boxed.rs:2022:9
[INFO] [stdout]   32: <alloc::boxed::Box<F,A> as core::ops::function::FnOnce<Args>>::call_once
[INFO] [stdout]              at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/alloc/src/boxed.rs:2022:9
[INFO] [stdout]   33: std::sys::pal::unix::thread::Thread::new::thread_start
[INFO] [stdout]              at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/std/src/sys/pal/unix/thread.rs:108:17
[INFO] [stdout]   34: <unknown>
[INFO] [stdout]   35: __clone
[INFO] [stdout] stack backtrace:
[INFO] [stdout]    0:     0x5567fa98e315 - std::backtrace_rs::backtrace::libunwind::trace::h59d96bdb08384354
[INFO] [stdout]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/std/src/../../backtrace/src/backtrace/libunwind.rs:105:5
[INFO] [stdout]    1:     0x5567fa98e315 - std::backtrace_rs::backtrace::trace_unsynchronized::h9cf5becacfc93fba
[INFO] [stdout]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/std/src/../../backtrace/src/backtrace/mod.rs:66:5
[INFO] [stdout]    2:     0x5567fa98e315 - std::sys_common::backtrace::_print_fmt::h10b76d10405dbd48
[INFO] [stdout]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/std/src/sys_common/backtrace.rs:68:5
[INFO] [stdout]    3:     0x5567fa98e315 - <std::sys_common::backtrace::_print::DisplayBacktrace as core::fmt::Display>::fmt::h6ed9e62a156d84e4
[INFO] [stdout]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/std/src/sys_common/backtrace.rs:44:22
[INFO] [stdout]    4:     0x5567fa9b767b - core::fmt::rt::Argument::fmt::h645c680983f03c9f
[INFO] [stdout]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/core/src/fmt/rt.rs:165:63
[INFO] [stdout]    5:     0x5567fa9b767b - core::fmt::write::h8bcd80919a02be29
[INFO] [stdout]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/core/src/fmt/mod.rs:1169:21
[INFO] [stdout]    6:     0x5567fa98b51f - std::io::Write::write_fmt::h8d0c47c662cad79c
[INFO] [stdout]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/std/src/io/mod.rs:1835:15
[INFO] [stdout]    7:     0x5567fa98e0ee - std::sys_common::backtrace::_print::h6306f131a28d62b0
[INFO] [stdout]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/std/src/sys_common/backtrace.rs:47:5
[INFO] [stdout]    8:     0x5567fa98e0ee - std::sys_common::backtrace::print::h7079288e0a26dfcc
[INFO] [stdout]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/std/src/sys_common/backtrace.rs:34:9
[INFO] [stdout]    9:     0x5567fa98fb19 - std::panicking::default_hook::{{closure}}::hb063ecec81a736ba
[INFO] [stdout]   10:     0x5567fa98f7de - std::panicking::default_hook::hd56ee406bf547b5c
[INFO] [stdout]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/std/src/panicking.rs:295:9
[INFO] [stdout]   11:     0x5567fa79cf5a - <alloc::boxed::Box<F,A> as core::ops::function::Fn<Args>>::call::he5eacdef44c8728f
[INFO] [stdout]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/alloc/src/boxed.rs:2036:9
[INFO] [stdout]   12:     0x5567fa79cf5a - test::test_main::{{closure}}::h0ec9aed229e79095
[INFO] [stdout]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/test/src/lib.rs:137:21
[INFO] [stdout]   13:     0x5567fa99011b - <alloc::boxed::Box<F,A> as core::ops::function::Fn<Args>>::call::hcbd0d80e1ad4e4f9
[INFO] [stdout]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/alloc/src/boxed.rs:2036:9
[INFO] [stdout]   14:     0x5567fa99011b - std::panicking::rust_panic_with_hook::h624aa3ca42ebb8f2
[INFO] [stdout]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/std/src/panicking.rs:799:13
[INFO] [stdout]   15:     0x5567fa98fe94 - std::panicking::begin_panic_handler::{{closure}}::hbc4e76194a5e287c
[INFO] [stdout]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/std/src/panicking.rs:664:13
[INFO] [stdout]   16:     0x5567fa98e7d9 - std::sys_common::backtrace::__rust_end_short_backtrace::h847fedc9d1ff7b6d
[INFO] [stdout]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/std/src/sys_common/backtrace.rs:171:18
[INFO] [stdout]   17:     0x5567fa98fbc7 - rust_begin_unwind
[INFO] [stdout]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/std/src/panicking.rs:652:5
[INFO] [stdout]   18:     0x5567fa4f72d3 - core::panicking::panic_fmt::hec11a924b87ce965
[INFO] [stdout]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/core/src/panicking.rs:72:14
[INFO] [stdout]   19:     0x5567fa4f7826 - core::result::unwrap_failed::h382691b96ca8c13a
[INFO] [stdout]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/core/src/result.rs:1654:5
[INFO] [stdout]   20:     0x5567fa74823a - core::result::Result<T,E>::unwrap::hf3b0b9adefa17504
[INFO] [stdout]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/core/src/result.rs:1077:23
[INFO] [stdout]   21:     0x5567fa74823a - maelstrom_layer_fs::tests::Fixture::mount::{{closure}}::h688ac20af9e777e3
[INFO] [stdout]                                at /opt/rustwide/workdir/src/lib.rs:1175:13
[INFO] [stdout]   22:     0x5567fa74955a - maelstrom_layer_fs::tests::layer_from_tar_or_manifest::{{closure}}::h7127b815d2045239
[INFO] [stdout]                                at /opt/rustwide/workdir/src/lib.rs:1428:48
[INFO] [stdout]   23:     0x5567fa75a3d4 - maelstrom_layer_fs::tests::layer_from_tar::{{closure}}::h63127670a7201492
[INFO] [stdout]                                at /opt/rustwide/workdir/src/lib.rs:1459:10
[INFO] [stdout]   24:     0x5567fa599dc2 - <core::pin::Pin<P> as core::future::future::Future>::poll::h58377329fe1be409
[INFO] [stdout]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/core/src/future/future.rs:123:9
[INFO] [stdout]   25:     0x5567fa599e5d - <core::pin::Pin<P> as core::future::future::Future>::poll::h9848842023914f90
[INFO] [stdout]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/core/src/future/future.rs:123:9
[INFO] [stdout]   26:     0x5567fa712bcf - tokio::runtime::scheduler::current_thread::CoreGuard::block_on::{{closure}}::{{closure}}::{{closure}}::hac502fe9d0c8ca72
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/tokio-1.37.0/src/runtime/scheduler/current_thread/mod.rs:659:57
[INFO] [stdout]   27:     0x5567fa712b15 - tokio::runtime::coop::with_budget::h5772473feedf75e6
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/tokio-1.37.0/src/runtime/coop.rs:107:5
[INFO] [stdout]   28:     0x5567fa712b15 - tokio::runtime::coop::budget::h1cedff380d0d76fe
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/tokio-1.37.0/src/runtime/coop.rs:73:5
[INFO] [stdout]   29:     0x5567fa712b15 - tokio::runtime::scheduler::current_thread::CoreGuard::block_on::{{closure}}::{{closure}}::h8c4e90f535c36b70
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/tokio-1.37.0/src/runtime/scheduler/current_thread/mod.rs:659:25
[INFO] [stdout]   30:     0x5567fa7118e0 - tokio::runtime::scheduler::current_thread::Context::enter::ha7498cf055706cab
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/tokio-1.37.0/src/runtime/scheduler/current_thread/mod.rs:404:19
[INFO] [stdout]   31:     0x5567fa71238b - tokio::runtime::scheduler::current_thread::CoreGuard::block_on::{{closure}}::h2b9b5f0577e897e9
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/tokio-1.37.0/src/runtime/scheduler/current_thread/mod.rs:658:36
[INFO] [stdout]   32:     0x5567fa712104 - tokio::runtime::scheduler::current_thread::CoreGuard::enter::{{closure}}::h56418ae36458e166
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/tokio-1.37.0/src/runtime/scheduler/current_thread/mod.rs:737:68
[INFO] [stdout]   33:     0x5567fa61277b - tokio::runtime::context::scoped::Scoped<T>::set::h7aa088ea4c80d610
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/tokio-1.37.0/src/runtime/context/scoped.rs:40:9
[INFO] [stdout]   34:     0x5567fa637809 - tokio::runtime::context::set_scheduler::{{closure}}::h94afc82b84f19872
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/tokio-1.37.0/src/runtime/context.rs:176:26
[INFO] [stdout]   35:     0x5567fa736ae0 - std::thread::local::LocalKey<T>::try_with::ha55e4718acbc58e5
[INFO] [stdout]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/std/src/thread/local.rs:286:12
[INFO] [stdout]   36:     0x5567fa7357da - std::thread::local::LocalKey<T>::with::h6754b1d50501e148
[INFO] [stdout]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/std/src/thread/local.rs:262:9
[INFO] [stdout]   37:     0x5567fa6377bd - tokio::runtime::context::set_scheduler::ha0fadfb0270ced03
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/tokio-1.37.0/src/runtime/context.rs:176:9
[INFO] [stdout]   38:     0x5567fa711eb0 - tokio::runtime::scheduler::current_thread::CoreGuard::enter::h387c7036b2984b21
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/tokio-1.37.0/src/runtime/scheduler/current_thread/mod.rs:737:27
[INFO] [stdout]   39:     0x5567fa712123 - tokio::runtime::scheduler::current_thread::CoreGuard::block_on::h3b5a535448cb2a21
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/tokio-1.37.0/src/runtime/scheduler/current_thread/mod.rs:646:19
[INFO] [stdout]   40:     0x5567fa70edcd - tokio::runtime::scheduler::current_thread::CurrentThread::block_on::{{closure}}::h1f48cb6748fafaa3
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/tokio-1.37.0/src/runtime/scheduler/current_thread/mod.rs:175:28
[INFO] [stdout]   41:     0x5567fa6128f6 - tokio::runtime::context::runtime::enter_runtime::h846190051fdbaffa
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/tokio-1.37.0/src/runtime/context/runtime.rs:65:16
[INFO] [stdout]   42:     0x5567fa70ece1 - tokio::runtime::scheduler::current_thread::CurrentThread::block_on::hcf7c6cc1d46a8f78
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/tokio-1.37.0/src/runtime/scheduler/current_thread/mod.rs:167:9
[INFO] [stdout]   43:     0x5567fa5998dd - tokio::runtime::runtime::Runtime::block_on::h6348c955ebacc02c
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/tokio-1.37.0/src/runtime/runtime.rs:349:47
[INFO] [stdout]   44:     0x5567fa75a211 - maelstrom_layer_fs::tests::layer_from_tar::ha5aa332870e121b2
[INFO] [stdout]                                at /opt/rustwide/workdir/src/lib.rs:1456:9
[INFO] [stdout]   45:     0x5567fa75a0b7 - maelstrom_layer_fs::tests::layer_from_tar::{{closure}}::h3d0a62554b464905
[INFO] [stdout]                                at /opt/rustwide/workdir/src/lib.rs:1455:30
[INFO] [stdout]   46:     0x5567fa4fba96 - core::ops::function::FnOnce::call_once::hc46bdaa63e323c58
[INFO] [stdout]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   47:     0x5567fa7a193b - core::ops::function::FnOnce::call_once::h2e43a8f6f3d94b99
[INFO] [stdout]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   48:     0x5567fa7a193b - test::__rust_begin_short_backtrace::h214c9f2d2d3fee90
[INFO] [stdout]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/test/src/lib.rs:625:18
[INFO] [stdout]   49:     0x5567fa7a1041 - test::run_test_in_process::{{closure}}::h510b7ba7990692a5
[INFO] [stdout]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/test/src/lib.rs:648:60
[INFO] [stdout]   50:     0x5567fa7a1041 - <core::panic::unwind_safe::AssertUnwindSafe<F> as core::ops::function::FnOnce<()>>::call_once::h4157186197a93871
[INFO] [stdout]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/core/src/panic/unwind_safe.rs:272:9
[INFO] [stdout]   51:     0x5567fa7a1041 - std::panicking::try::do_call::h1bf2463bccd4b28c
[INFO] [stdout]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/std/src/panicking.rs:559:40
[INFO] [stdout]   52:     0x5567fa7a1041 - std::panicking::try::hd6d4808c9fab4fa5
[INFO] [stdout]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/std/src/panicking.rs:523:19
[INFO] [stdout]   53:     0x5567fa7a1041 - std::panic::catch_unwind::hd5641d97d123f9f2
[INFO] [stdout]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/std/src/panic.rs:149:14
[INFO] [stdout]   54:     0x5567fa7a1041 - test::run_test_in_process::hc273b71c8b878a4c
[INFO] [stdout]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/test/src/lib.rs:648:27
[INFO] [stdout]   55:     0x5567fa7a1041 - test::run_test::{{closure}}::h6838df834eb8467e
[INFO] [stdout]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/test/src/lib.rs:569:43
[INFO] [stdout]   56:     0x5567fa769a04 - test::run_test::{{closure}}::h608b98ecff5665fb
[INFO] [stdout]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/test/src/lib.rs:599:41
[INFO] [stdout]   57:     0x5567fa769a04 - std::sys_common::backtrace::__rust_begin_short_backtrace::hdc4182b97d1042e9
[INFO] [stdout]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/std/src/sys_common/backtrace.rs:155:18
[INFO] [stdout]   58:     0x5567fa76e432 - std::thread::Builder::spawn_unchecked_::{{closure}}::{{closure}}::h571773fd21d674c8
[INFO] [stdout]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/std/src/thread/mod.rs:542:17
[INFO] [stdout]   59:     0x5567fa76e432 - <core::panic::unwind_safe::AssertUnwindSafe<F> as core::ops::function::FnOnce<()>>::call_once::hdcd384cf2fa70ba3
[INFO] [stdout]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/core/src/panic/unwind_safe.rs:272:9
[INFO] [stdout]   60:     0x5567fa76e432 - std::panicking::try::do_call::h4f1a44bd81423be1
[INFO] [stdout]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/std/src/panicking.rs:559:40
[INFO] [stdout]   61:     0x5567fa76e432 - std::panicking::try::h5e02afcb81dcd361
[INFO] [stdout]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/std/src/panicking.rs:523:19
[INFO] [stdout]   62:     0x5567fa76e432 - std::panic::catch_unwind::h022f75775bfd8c45
[INFO] [stdout]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/std/src/panic.rs:149:14
[INFO] [stdout]   63:     0x5567fa76e432 - std::thread::Builder::spawn_unchecked_::{{closure}}::hf5a62e9e4e6df1f8
[INFO] [stdout]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/std/src/thread/mod.rs:541:30
[INFO] [stdout]   64:     0x5567fa76e432 - core::ops::function::FnOnce::call_once{{vtable.shim}}::h6d56360aeb9509a7
[INFO] [stdout]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   65:     0x5567fa995cab - <alloc::boxed::Box<F,A> as core::ops::function::FnOnce<Args>>::call_once::h7a343dc551c06baa
[INFO] [stdout]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/alloc/src/boxed.rs:2022:9
[INFO] [stdout]   66:     0x5567fa995cab - <alloc::boxed::Box<F,A> as core::ops::function::FnOnce<Args>>::call_once::h30b8111cbaa644f3
[INFO] [stdout]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/alloc/src/boxed.rs:2022:9
[INFO] [stdout]   67:     0x5567fa995cab - std::sys::pal::unix::thread::Thread::new::thread_start::h7404e134e61e7a11
[INFO] [stdout]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/std/src/sys/pal/unix/thread.rs:108:17
[INFO] [stdout]   68:     0x7f8ed1606ac3 - <unknown>
[INFO] [stdout]   69:     0x7f8ed1697a04 - __clone
[INFO] [stdout]   70:                0x0 - <unknown>
[INFO] [stdout] 
[INFO] [stdout] ---- tests::two_layer_empty_top stdout ----
[INFO] [stdout] May 25 05:23:31.996 DEBG mounting FUSE file-system in namespace
[INFO] [stdout] thread 'tests::two_layer_empty_top' panicked at src/lib.rs:1178:18:
[INFO] [stdout] called `Result::unwrap()` on an `Err` value: ENOSYS: Function not implemented
[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/index.crates.io-6f17d22bba15001f/anyhow-1.0.82/src/backtrace.rs:27:14
[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/1871252fc8bb672d40787e67404e6eaae7059369/library/core/src/result.rs:1964:27
[INFO] [stdout]    2: maelstrom_fuse::fuse_mount_namespace::{{closure}}::{{closure}}
[INFO] [stdout]              at /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/maelstrom-fuse-0.8.0/src/lib.rs:127:27
[INFO] [stdout]    3: <tokio::runtime::blocking::task::BlockingTask<T> as core::future::future::Future>::poll
[INFO] [stdout]              at /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/tokio-1.37.0/src/runtime/blocking/task.rs:42:21
[INFO] [stdout]    4: tokio::runtime::task::core::Core<T,S>::poll::{{closure}}
[INFO] [stdout]              at /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/tokio-1.37.0/src/runtime/task/core.rs:328:17
[INFO] [stdout]    5: tokio::loom::std::unsafe_cell::UnsafeCell<T>::with_mut
[INFO] [stdout]              at /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/tokio-1.37.0/src/loom/std/unsafe_cell.rs:16:9
[INFO] [stdout]    6: tokio::runtime::task::core::Core<T,S>::poll
[INFO] [stdout]              at /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/tokio-1.37.0/src/runtime/task/core.rs:317:13
[INFO] [stdout]    7: tokio::runtime::task::harness::poll_future::{{closure}}
[INFO] [stdout]              at /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/tokio-1.37.0/src/runtime/task/harness.rs:485:19
[INFO] [stdout]    8: <core::panic::unwind_safe::AssertUnwindSafe<F> as core::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]              at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/core/src/panic/unwind_safe.rs:272:9
[INFO] [stdout]    9: std::panicking::try::do_call
[INFO] [stdout]              at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/std/src/panicking.rs:559:40
[INFO] [stdout]   10: __rust_try
[INFO] [stdout]   11: std::panicking::try
[INFO] [stdout]              at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/std/src/panicking.rs:523:19
[INFO] [stdout]   12: std::panic::catch_unwind
[INFO] [stdout]              at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/std/src/panic.rs:149:14
[INFO] [stdout]   13: tokio::runtime::task::harness::poll_future
[INFO] [stdout]              at /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/tokio-1.37.0/src/runtime/task/harness.rs:473:18
[INFO] [stdout]   14: tokio::runtime::task::harness::Harness<T,S>::poll_inner
[INFO] [stdout]              at /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/tokio-1.37.0/src/runtime/task/harness.rs:208:27
[INFO] [stdout]   15: tokio::runtime::task::harness::Harness<T,S>::poll
[INFO] [stdout]              at /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/tokio-1.37.0/src/runtime/task/harness.rs:153:15
[INFO] [stdout]   16: tokio::runtime::task::raw::poll
[INFO] [stdout]              at /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/tokio-1.37.0/src/runtime/task/raw.rs:271:5
[INFO] [stdout]   17: tokio::runtime::task::raw::RawTask::poll
[INFO] [stdout]              at /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/tokio-1.37.0/src/runtime/task/raw.rs:201:18
[INFO] [stdout]   18: tokio::runtime::task::UnownedTask<S>::run
[INFO] [stdout]              at /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/tokio-1.37.0/src/runtime/task/mod.rs:464:9
[INFO] [stdout]   19: tokio::runtime::blocking::pool::Task::run
[INFO] [stdout]              at /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/tokio-1.37.0/src/runtime/blocking/pool.rs:159:9
[INFO] [stdout]   20: tokio::runtime::blocking::pool::Inner::run
[INFO] [stdout]              at /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/tokio-1.37.0/src/runtime/blocking/pool.rs:513:17
[INFO] [stdout]   21: tokio::runtime::blocking::pool::Spawner::spawn_thread::{{closure}}
[INFO] [stdout]              at /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/tokio-1.37.0/src/runtime/blocking/pool.rs:471:13
[INFO] [stdout]   22: std::sys_common::backtrace::__rust_begin_short_backtrace
[INFO] [stdout]              at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/std/src/sys_common/backtrace.rs:155:18
[INFO] [stdout]   23: std::thread::Builder::spawn_unchecked_::{{closure}}::{{closure}}
[INFO] [stdout]              at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/std/src/thread/mod.rs:542:17
[INFO] [stdout]   24: <core::panic::unwind_safe::AssertUnwindSafe<F> as core::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]              at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/core/src/panic/unwind_safe.rs:272:9
[INFO] [stdout]   25: std::panicking::try::do_call
[INFO] [stdout]              at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/std/src/panicking.rs:559:40
[INFO] [stdout]   26: __rust_try
[INFO] [stdout]   27: std::panicking::try
[INFO] [stdout]              at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/std/src/panicking.rs:523:19
[INFO] [stdout]   28: std::panic::catch_unwind
[INFO] [stdout]              at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/std/src/panic.rs:149:14
[INFO] [stdout]   29: std::thread::Builder::spawn_unchecked_::{{closure}}
[INFO] [stdout]              at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/std/src/thread/mod.rs:541:30
[INFO] [stdout]   30: core::ops::function::FnOnce::call_once{{vtable.shim}}
[INFO] [stdout]              at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   31: <alloc::boxed::Box<F,A> as core::ops::function::FnOnce<Args>>::call_once
[INFO] [stdout]              at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/alloc/src/boxed.rs:2022:9
[INFO] [stdout]   32: <alloc::boxed::Box<F,A> as core::ops::function::FnOnce<Args>>::call_once
[INFO] [stdout]              at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/alloc/src/boxed.rs:2022:9
[INFO] [stdout]   33: std::sys::pal::unix::thread::Thread::new::thread_start
[INFO] [stdout]              at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/std/src/sys/pal/unix/thread.rs:108:17
[INFO] [stdout]   34: <unknown>
[INFO] [stdout]   35: __clone
[INFO] [stdout] stack backtrace:
[INFO] [stdout]    0:     0x5567fa98e315 - std::backtrace_rs::backtrace::libunwind::trace::h59d96bdb08384354
[INFO] [stdout]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/std/src/../../backtrace/src/backtrace/libunwind.rs:105:5
[INFO] [stdout]    1:     0x5567fa98e315 - std::backtrace_rs::backtrace::trace_unsynchronized::h9cf5becacfc93fba
[INFO] [stdout]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/std/src/../../backtrace/src/backtrace/mod.rs:66:5
[INFO] [stdout]    2:     0x5567fa98e315 - std::sys_common::backtrace::_print_fmt::h10b76d10405dbd48
[INFO] [stdout]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/std/src/sys_common/backtrace.rs:68:5
[INFO] [stdout]    3:     0x5567fa98e315 - <std::sys_common::backtrace::_print::DisplayBacktrace as core::fmt::Display>::fmt::h6ed9e62a156d84e4
[INFO] [stdout]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/std/src/sys_common/backtrace.rs:44:22
[INFO] [stdout]    4:     0x5567fa9b767b - core::fmt::rt::Argument::fmt::h645c680983f03c9f
[INFO] [stdout]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/core/src/fmt/rt.rs:165:63
[INFO] [stdout]    5:     0x5567fa9b767b - core::fmt::write::h8bcd80919a02be29
[INFO] [stdout]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/core/src/fmt/mod.rs:1169:21
[INFO] [stdout]    6:     0x5567fa98b51f - std::io::Write::write_fmt::h8d0c47c662cad79c
[INFO] [stdout]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/std/src/io/mod.rs:1835:15
[INFO] [stdout]    7:     0x5567fa98e0ee - std::sys_common::backtrace::_print::h6306f131a28d62b0
[INFO] [stdout]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/std/src/sys_common/backtrace.rs:47:5
[INFO] [stdout]    8:     0x5567fa98e0ee - std::sys_common::backtrace::print::h7079288e0a26dfcc
[INFO] [stdout]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/std/src/sys_common/backtrace.rs:34:9
[INFO] [stdout]    9:     0x5567fa98fb19 - std::panicking::default_hook::{{closure}}::hb063ecec81a736ba
[INFO] [stdout]   10:     0x5567fa98f7de - std::panicking::default_hook::hd56ee406bf547b5c
[INFO] [stdout]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/std/src/panicking.rs:295:9
[INFO] [stdout]   11:     0x5567fa79cf5a - <alloc::boxed::Box<F,A> as core::ops::function::Fn<Args>>::call::he5eacdef44c8728f
[INFO] [stdout]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/alloc/src/boxed.rs:2036:9
[INFO] [stdout]   12:     0x5567fa79cf5a - test::test_main::{{closure}}::h0ec9aed229e79095
[INFO] [stdout]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/test/src/lib.rs:137:21
[INFO] [stdout]   13:     0x5567fa99011b - <alloc::boxed::Box<F,A> as core::ops::function::Fn<Args>>::call::hcbd0d80e1ad4e4f9
[INFO] [stdout]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/alloc/src/boxed.rs:2036:9
[INFO] [stdout]   14:     0x5567fa99011b - std::panicking::rust_panic_with_hook::h624aa3ca42ebb8f2
[INFO] [stdout]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/std/src/panicking.rs:799:13
[INFO] [stdout]   15:     0x5567fa98fe94 - std::panicking::begin_panic_handler::{{closure}}::hbc4e76194a5e287c
[INFO] [stdout]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/std/src/panicking.rs:664:13
[INFO] [stdout]   16:     0x5567fa98e7d9 - std::sys_common::backtrace::__rust_end_short_backtrace::h847fedc9d1ff7b6d
[INFO] [stdout]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/std/src/sys_common/backtrace.rs:171:18
[INFO] [stdout]   17:     0x5567fa98fbc7 - rust_begin_unwind
[INFO] [stdout]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/std/src/panicking.rs:652:5
[INFO] [stdout]   18:     0x5567fa4f72d3 - core::panicking::panic_fmt::hec11a924b87ce965
[INFO] [stdout]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/core/src/panicking.rs:72:14
[INFO] [stdout]   19:     0x5567fa4f7826 - core::result::unwrap_failed::h382691b96ca8c13a
[INFO] [stdout]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/core/src/result.rs:1654:5
[INFO] [stdout]   20:     0x5567fa74823a - core::result::Result<T,E>::unwrap::hf3b0b9adefa17504
[INFO] [stdout]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/core/src/result.rs:1077:23
[INFO] [stdout]   21:     0x5567fa74823a - maelstrom_layer_fs::tests::Fixture::mount::{{closure}}::h688ac20af9e777e3
[INFO] [stdout]                                at /opt/rustwide/workdir/src/lib.rs:1175:13
[INFO] [stdout]   22:     0x5567fa74fe53 - maelstrom_layer_fs::tests::two_layer_test::{{closure}}::h017a495aaa6bd521
[INFO] [stdout]                                at /opt/rustwide/workdir/src/lib.rs:1537:48
[INFO] [stdout]   23:     0x5567fa75d5a5 - maelstrom_layer_fs::tests::two_layer_empty_top::{{closure}}::h2f33ff43c3efe4db
[INFO] [stdout]                                at /opt/rustwide/workdir/src/lib.rs:1604:10
[INFO] [stdout]   24:     0x5567fa599dc2 - <core::pin::Pin<P> as core::future::future::Future>::poll::h58377329fe1be409
[INFO] [stdout]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/core/src/future/future.rs:123:9
[INFO] [stdout]   25:     0x5567fa599e5d - <core::pin::Pin<P> as core::future::future::Future>::poll::h9848842023914f90
[INFO] [stdout]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/core/src/future/future.rs:123:9
[INFO] [stdout]   26:     0x5567fa712bcf - tokio::runtime::scheduler::current_thread::CoreGuard::block_on::{{closure}}::{{closure}}::{{closure}}::hac502fe9d0c8ca72
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/tokio-1.37.0/src/runtime/scheduler/current_thread/mod.rs:659:57
[INFO] [stdout]   27:     0x5567fa712b15 - tokio::runtime::coop::with_budget::h5772473feedf75e6
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/tokio-1.37.0/src/runtime/coop.rs:107:5
[INFO] [stdout]   28:     0x5567fa712b15 - tokio::runtime::coop::budget::h1cedff380d0d76fe
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/tokio-1.37.0/src/runtime/coop.rs:73:5
[INFO] [stdout]   29:     0x5567fa712b15 - tokio::runtime::scheduler::current_thread::CoreGuard::block_on::{{closure}}::{{closure}}::h8c4e90f535c36b70
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/tokio-1.37.0/src/runtime/scheduler/current_thread/mod.rs:659:25
[INFO] [stdout]   30:     0x5567fa7118e0 - tokio::runtime::scheduler::current_thread::Context::enter::ha7498cf055706cab
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/tokio-1.37.0/src/runtime/scheduler/current_thread/mod.rs:404:19
[INFO] [stdout]   31:     0x5567fa71238b - tokio::runtime::scheduler::current_thread::CoreGuard::block_on::{{closure}}::h2b9b5f0577e897e9
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/tokio-1.37.0/src/runtime/scheduler/current_thread/mod.rs:658:36
[INFO] [stdout]   32:     0x5567fa712104 - tokio::runtime::scheduler::current_thread::CoreGuard::enter::{{closure}}::h56418ae36458e166
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/tokio-1.37.0/src/runtime/scheduler/current_thread/mod.rs:737:68
[INFO] [stdout]   33:     0x5567fa61277b - tokio::runtime::context::scoped::Scoped<T>::set::h7aa088ea4c80d610
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/tokio-1.37.0/src/runtime/context/scoped.rs:40:9
[INFO] [stdout]   34:     0x5567fa637809 - tokio::runtime::context::set_scheduler::{{closure}}::h94afc82b84f19872
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/tokio-1.37.0/src/runtime/context.rs:176:26
[INFO] [stdout]   35:     0x5567fa736ae0 - std::thread::local::LocalKey<T>::try_with::ha55e4718acbc58e5
[INFO] [stdout]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/std/src/thread/local.rs:286:12
[INFO] [stdout]   36:     0x5567fa7357da - std::thread::local::LocalKey<T>::with::h6754b1d50501e148
[INFO] [stdout]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/std/src/thread/local.rs:262:9
[INFO] [stdout]   37:     0x5567fa6377bd - tokio::runtime::context::set_scheduler::ha0fadfb0270ced03
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/tokio-1.37.0/src/runtime/context.rs:176:9
[INFO] [stdout]   38:     0x5567fa711eb0 - tokio::runtime::scheduler::current_thread::CoreGuard::enter::h387c7036b2984b21
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/tokio-1.37.0/src/runtime/scheduler/current_thread/mod.rs:737:27
[INFO] [stdout]   39:     0x5567fa712123 - tokio::runtime::scheduler::current_thread::CoreGuard::block_on::h3b5a535448cb2a21
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/tokio-1.37.0/src/runtime/scheduler/current_thread/mod.rs:646:19
[INFO] [stdout]   40:     0x5567fa70edcd - tokio::runtime::scheduler::current_thread::CurrentThread::block_on::{{closure}}::h1f48cb6748fafaa3
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/tokio-1.37.0/src/runtime/scheduler/current_thread/mod.rs:175:28
[INFO] [stdout]   41:     0x5567fa6128f6 - tokio::runtime::context::runtime::enter_runtime::h846190051fdbaffa
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/tokio-1.37.0/src/runtime/context/runtime.rs:65:16
[INFO] [stdout]   42:     0x5567fa70ece1 - tokio::runtime::scheduler::current_thread::CurrentThread::block_on::hcf7c6cc1d46a8f78
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/tokio-1.37.0/src/runtime/scheduler/current_thread/mod.rs:167:9
[INFO] [stdout]   43:     0x5567fa5998dd - tokio::runtime::runtime::Runtime::block_on::h6348c955ebacc02c
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/tokio-1.37.0/src/runtime/runtime.rs:349:47
[INFO] [stdout]   44:     0x5567fa75cac0 - maelstrom_layer_fs::tests::two_layer_empty_top::h02fdcab4731296f0
[INFO] [stdout]                                at /opt/rustwide/workdir/src/lib.rs:1594:9
[INFO] [stdout]   45:     0x5567fa75c957 - maelstrom_layer_fs::tests::two_layer_empty_top::{{closure}}::h28a2be207cc982da
[INFO] [stdout]                                at /opt/rustwide/workdir/src/lib.rs:1593:35
[INFO] [stdout]   46:     0x5567fa4fc806 - core::ops::function::FnOnce::call_once::hf57b5beb288345dd
[INFO] [stdout]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   47:     0x5567fa7a193b - core::ops::function::FnOnce::call_once::h2e43a8f6f3d94b99
[INFO] [stdout]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   48:     0x5567fa7a193b - test::__rust_begin_short_backtrace::h214c9f2d2d3fee90
[INFO] [stdout]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/test/src/lib.rs:625:18
[INFO] [stdout]   49:     0x5567fa7a1041 - test::run_test_in_process::{{closure}}::h510b7ba7990692a5
[INFO] [stdout]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/test/src/lib.rs:648:60
[INFO] [stdout]   50:     0x5567fa7a1041 - <core::panic::unwind_safe::AssertUnwindSafe<F> as core::ops::function::FnOnce<()>>::call_once::h4157186197a93871
[INFO] [stdout]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/core/src/panic/unwind_safe.rs:272:9
[INFO] [stdout]   51:     0x5567fa7a1041 - std::panicking::try::do_call::h1bf2463bccd4b28c
[INFO] [stdout]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/std/src/panicking.rs:559:40
[INFO] [stdout]   52:     0x5567fa7a1041 - std::panicking::try::hd6d4808c9fab4fa5
[INFO] [stdout]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/std/src/panicking.rs:523:19
[INFO] [stdout]   53:     0x5567fa7a1041 - std::panic::catch_unwind::hd5641d97d123f9f2
[INFO] [stdout]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/std/src/panic.rs:149:14
[INFO] [stdout]   54:     0x5567fa7a1041 - test::run_test_in_process::hc273b71c8b878a4c
[INFO] [stdout]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/test/src/lib.rs:648:27
[INFO] [stdout]   55:     0x5567fa7a1041 - test::run_test::{{closure}}::h6838df834eb8467e
[INFO] [stdout]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/test/src/lib.rs:569:43
[INFO] [stdout]   56:     0x5567fa769a04 - test::run_test::{{closure}}::h608b98ecff5665fb
[INFO] [stdout]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/test/src/lib.rs:599:41
[INFO] [stdout]   57:     0x5567fa769a04 - std::sys_common::backtrace::__rust_begin_short_backtrace::hdc4182b97d1042e9
[INFO] [stdout]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/std/src/sys_common/backtrace.rs:155:18
[INFO] [stdout]   58:     0x5567fa76e432 - std::thread::Builder::spawn_unchecked_::{{closure}}::{{closure}}::h571773fd21d674c8
[INFO] [stdout]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/std/src/thread/mod.rs:542:17
[INFO] [stdout]   59:     0x5567fa76e432 - <core::panic::unwind_safe::AssertUnwindSafe<F> as core::ops::function::FnOnce<()>>::call_once::hdcd384cf2fa70ba3
[INFO] [stdout]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/core/src/panic/unwind_safe.rs:272:9
[INFO] [stdout]   60:     0x5567fa76e432 - std::panicking::try::do_call::h4f1a44bd81423be1
[INFO] [stdout]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/std/src/panicking.rs:559:40
[INFO] [stdout]   61:     0x5567fa76e432 - std::panicking::try::h5e02afcb81dcd361
[INFO] [stdout]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/std/src/panicking.rs:523:19
[INFO] [stdout]   62:     0x5567fa76e432 - std::panic::catch_unwind::h022f75775bfd8c45
[INFO] [stdout]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/std/src/panic.rs:149:14
[INFO] [stdout]   63:     0x5567fa76e432 - std::thread::Builder::spawn_unchecked_::{{closure}}::hf5a62e9e4e6df1f8
[INFO] [stdout]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/std/src/thread/mod.rs:541:30
[INFO] [stdout]   64:     0x5567fa76e432 - core::ops::function::FnOnce::call_once{{vtable.shim}}::h6d56360aeb9509a7
[INFO] [stdout]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   65:     0x5567fa995cab - <alloc::boxed::Box<F,A> as core::ops::function::FnOnce<Args>>::call_once::h7a343dc551c06baa
[INFO] [stdout]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/alloc/src/boxed.rs:2022:9
[INFO] [stdout]   66:     0x5567fa995cab - <alloc::boxed::Box<F,A> as core::ops::function::FnOnce<Args>>::call_once::h30b8111cbaa644f3
[INFO] [stdout]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/alloc/src/boxed.rs:2022:9
[INFO] [stdout]   67:     0x5567fa995cab - std::sys::pal::unix::thread::Thread::new::thread_start::h7404e134e61e7a11
[INFO] [stdout]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/std/src/sys/pal/unix/thread.rs:108:17
[INFO] [stdout]   68:     0x7f8ed1606ac3 - <unknown>
[INFO] [stdout]   69:     0x7f8ed1697a04 - __clone
[INFO] [stdout]   70:                0x0 - <unknown>
[INFO] [stdout] 
[INFO] [stdout] ---- tests::two_layer_large_bottom_dir stdout ----
[INFO] [stdout] May 25 05:23:31.998 DEBG mounting FUSE file-system in namespace
[INFO] [stdout] thread 'tests::two_layer_large_bottom_dir' panicked at src/lib.rs:1178:18:
[INFO] [stdout] called `Result::unwrap()` on an `Err` value: ENOSYS: Function not implemented
[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/index.crates.io-6f17d22bba15001f/anyhow-1.0.82/src/backtrace.rs:27:14
[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/1871252fc8bb672d40787e67404e6eaae7059369/library/core/src/result.rs:1964:27
[INFO] [stdout]    2: maelstrom_fuse::fuse_mount_namespace::{{closure}}::{{closure}}
[INFO] [stdout]              at /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/maelstrom-fuse-0.8.0/src/lib.rs:127:27
[INFO] [stdout]    3: <tokio::runtime::blocking::task::BlockingTask<T> as core::future::future::Future>::poll
[INFO] [stdout]              at /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/tokio-1.37.0/src/runtime/blocking/task.rs:42:21
[INFO] [stdout]    4: tokio::runtime::task::core::Core<T,S>::poll::{{closure}}
[INFO] [stdout]              at /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/tokio-1.37.0/src/runtime/task/core.rs:328:17
[INFO] [stdout]    5: tokio::loom::std::unsafe_cell::UnsafeCell<T>::with_mut
[INFO] [stdout]              at /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/tokio-1.37.0/src/loom/std/unsafe_cell.rs:16:9
[INFO] [stdout]    6: tokio::runtime::task::core::Core<T,S>::poll
[INFO] [stdout]              at /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/tokio-1.37.0/src/runtime/task/core.rs:317:13
[INFO] [stdout]    7: tokio::runtime::task::harness::poll_future::{{closure}}
[INFO] [stdout]              at /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/tokio-1.37.0/src/runtime/task/harness.rs:485:19
[INFO] [stdout]    8: <core::panic::unwind_safe::AssertUnwindSafe<F> as core::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]              at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/core/src/panic/unwind_safe.rs:272:9
[INFO] [stdout]    9: std::panicking::try::do_call
[INFO] [stdout]              at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/std/src/panicking.rs:559:40
[INFO] [stdout]   10: __rust_try
[INFO] [stdout]   11: std::panicking::try
[INFO] [stdout]              at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/std/src/panicking.rs:523:19
[INFO] [stdout]   12: std::panic::catch_unwind
[INFO] [stdout]              at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/std/src/panic.rs:149:14
[INFO] [stdout]   13: tokio::runtime::task::harness::poll_future
[INFO] [stdout]              at /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/tokio-1.37.0/src/runtime/task/harness.rs:473:18
[INFO] [stdout]   14: tokio::runtime::task::harness::Harness<T,S>::poll_inner
[INFO] [stdout]              at /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/tokio-1.37.0/src/runtime/task/harness.rs:208:27
[INFO] [stdout]   15: tokio::runtime::task::harness::Harness<T,S>::poll
[INFO] [stdout]              at /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/tokio-1.37.0/src/runtime/task/harness.rs:153:15
[INFO] [stdout]   16: tokio::runtime::task::raw::poll
[INFO] [stdout]              at /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/tokio-1.37.0/src/runtime/task/raw.rs:271:5
[INFO] [stdout]   17: tokio::runtime::task::raw::RawTask::poll
[INFO] [stdout]              at /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/tokio-1.37.0/src/runtime/task/raw.rs:201:18
[INFO] [stdout]   18: tokio::runtime::task::UnownedTask<S>::run
[INFO] [stdout]              at /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/tokio-1.37.0/src/runtime/task/mod.rs:464:9
[INFO] [stdout]   19: tokio::runtime::blocking::pool::Task::run
[INFO] [stdout]              at /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/tokio-1.37.0/src/runtime/blocking/pool.rs:159:9
[INFO] [stdout]   20: tokio::runtime::blocking::pool::Inner::run
[INFO] [stdout]              at /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/tokio-1.37.0/src/runtime/blocking/pool.rs:513:17
[INFO] [stdout]   21: tokio::runtime::blocking::pool::Spawner::spawn_thread::{{closure}}
[INFO] [stdout]              at /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/tokio-1.37.0/src/runtime/blocking/pool.rs:471:13
[INFO] [stdout]   22: std::sys_common::backtrace::__rust_begin_short_backtrace
[INFO] [stdout]              at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/std/src/sys_common/backtrace.rs:155:18
[INFO] [stdout]   23: std::thread::Builder::spawn_unchecked_::{{closure}}::{{closure}}
[INFO] [stdout]              at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/std/src/thread/mod.rs:542:17
[INFO] [stdout]   24: <core::panic::unwind_safe::AssertUnwindSafe<F> as core::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]              at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/core/src/panic/unwind_safe.rs:272:9
[INFO] [stdout]   25: std::panicking::try::do_call
[INFO] [stdout]              at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/std/src/panicking.rs:559:40
[INFO] [stdout]   26: __rust_try
[INFO] [stdout]   27: std::panicking::try
[INFO] [stdout]              at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/std/src/panicking.rs:523:19
[INFO] [stdout]   28: std::panic::catch_unwind
[INFO] [stdout]              at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/std/src/panic.rs:149:14
[INFO] [stdout]   29: std::thread::Builder::spawn_unchecked_::{{closure}}
[INFO] [stdout]              at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/std/src/thread/mod.rs:541:30
[INFO] [stdout]   30: core::ops::function::FnOnce::call_once{{vtable.shim}}
[INFO] [stdout]              at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   31: <alloc::boxed::Box<F,A> as core::ops::function::FnOnce<Args>>::call_once
[INFO] [stdout]              at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/alloc/src/boxed.rs:2022:9
[INFO] [stdout]   32: <alloc::boxed::Box<F,A> as core::ops::function::FnOnce<Args>>::call_once
[INFO] [stdout]              at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/alloc/src/boxed.rs:2022:9
[INFO] [stdout]   33: std::sys::pal::unix::thread::Thread::new::thread_start
[INFO] [stdout]              at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/std/src/sys/pal/unix/thread.rs:108:17
[INFO] [stdout]   34: <unknown>
[INFO] [stdout]   35: __clone
[INFO] [stdout] stack backtrace:
[INFO] [stdout]    0:     0x5567fa98e315 - std::backtrace_rs::backtrace::libunwind::trace::h59d96bdb08384354
[INFO] [stdout]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/std/src/../../backtrace/src/backtrace/libunwind.rs:105:5
[INFO] [stdout]    1:     0x5567fa98e315 - std::backtrace_rs::backtrace::trace_unsynchronized::h9cf5becacfc93fba
[INFO] [stdout]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/std/src/../../backtrace/src/backtrace/mod.rs:66:5
[INFO] [stdout]    2:     0x5567fa98e315 - std::sys_common::backtrace::_print_fmt::h10b76d10405dbd48
[INFO] [stdout]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/std/src/sys_common/backtrace.rs:68:5
[INFO] [stdout]    3:     0x5567fa98e315 - <std::sys_common::backtrace::_print::DisplayBacktrace as core::fmt::Display>::fmt::h6ed9e62a156d84e4
[INFO] [stdout]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/std/src/sys_common/backtrace.rs:44:22
[INFO] [stdout]    4:     0x5567fa9b767b - core::fmt::rt::Argument::fmt::h645c680983f03c9f
[INFO] [stdout]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/core/src/fmt/rt.rs:165:63
[INFO] [stdout]    5:     0x5567fa9b767b - core::fmt::write::h8bcd80919a02be29
[INFO] [stdout]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/core/src/fmt/mod.rs:1169:21
[INFO] [stdout]    6:     0x5567fa98b51f - std::io::Write::write_fmt::h8d0c47c662cad79c
[INFO] [stdout]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/std/src/io/mod.rs:1835:15
[INFO] [stdout]    7:     0x5567fa98e0ee - std::sys_common::backtrace::_print::h6306f131a28d62b0
[INFO] [stdout]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/std/src/sys_common/backtrace.rs:47:5
[INFO] [stdout]    8:     0x5567fa98e0ee - std::sys_common::backtrace::print::h7079288e0a26dfcc
[INFO] [stdout]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/std/src/sys_common/backtrace.rs:34:9
[INFO] [stdout]    9:     0x5567fa98fb19 - std::panicking::default_hook::{{closure}}::hb063ecec81a736ba
[INFO] [stdout]   10:     0x5567fa98f7de - std::panicking::default_hook::hd56ee406bf547b5c
[INFO] [stdout]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/std/src/panicking.rs:295:9
[INFO] [stdout]   11:     0x5567fa79cf5a - <alloc::boxed::Box<F,A> as core::ops::function::Fn<Args>>::call::he5eacdef44c8728f
[INFO] [stdout]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/alloc/src/boxed.rs:2036:9
[INFO] [stdout]   12:     0x5567fa79cf5a - test::test_main::{{closure}}::h0ec9aed229e79095
[INFO] [stdout]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/test/src/lib.rs:137:21
[INFO] [stdout]   13:     0x5567fa99011b - <alloc::boxed::Box<F,A> as core::ops::function::Fn<Args>>::call::hcbd0d80e1ad4e4f9
[INFO] [stdout]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/alloc/src/boxed.rs:2036:9
[INFO] [stdout]   14:     0x5567fa99011b - std::panicking::rust_panic_with_hook::h624aa3ca42ebb8f2
[INFO] [stdout]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/std/src/panicking.rs:799:13
[INFO] [stdout]   15:     0x5567fa98fe94 - std::panicking::begin_panic_handler::{{closure}}::hbc4e76194a5e287c
[INFO] [stdout]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/std/src/panicking.rs:664:13
[INFO] [stdout]   16:     0x5567fa98e7d9 - std::sys_common::backtrace::__rust_end_short_backtrace::h847fedc9d1ff7b6d
[INFO] [stdout]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/std/src/sys_common/backtrace.rs:171:18
[INFO] [stdout]   17:     0x5567fa98fbc7 - rust_begin_unwind
[INFO] [stdout]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/std/src/panicking.rs:652:5
[INFO] [stdout]   18:     0x5567fa4f72d3 - core::panicking::panic_fmt::hec11a924b87ce965
[INFO] [stdout]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/core/src/panicking.rs:72:14
[INFO] [stdout]   19:     0x5567fa4f7826 - core::result::unwrap_failed::h382691b96ca8c13a
[INFO] [stdout]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/core/src/result.rs:1654:5
[INFO] [stdout]   20:     0x5567fa74823a - core::result::Result<T,E>::unwrap::hf3b0b9adefa17504
[INFO] [stdout]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/core/src/result.rs:1077:23
[INFO] [stdout]   21:     0x5567fa74823a - maelstrom_layer_fs::tests::Fixture::mount::{{closure}}::h688ac20af9e777e3
[INFO] [stdout]                                at /opt/rustwide/workdir/src/lib.rs:1175:13
[INFO] [stdout]   22:     0x5567fa74fe53 - maelstrom_layer_fs::tests::two_layer_test::{{closure}}::h017a495aaa6bd521
[INFO] [stdout]                                at /opt/rustwide/workdir/src/lib.rs:1537:48
[INFO] [stdout]   23:     0x5567fa75df7b - maelstrom_layer_fs::tests::two_layer_large_bottom_dir::{{closure}}::ha2d108c6994eb4dc
[INFO] [stdout]                                at /opt/rustwide/workdir/src/lib.rs:1617:10
[INFO] [stdout]   24:     0x5567fa599dc2 - <core::pin::Pin<P> as core::future::future::Future>::poll::h58377329fe1be409
[INFO] [stdout]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/core/src/future/future.rs:123:9
[INFO] [stdout]   25:     0x5567fa599e5d - <core::pin::Pin<P> as core::future::future::Future>::poll::h9848842023914f90
[INFO] [stdout]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/core/src/future/future.rs:123:9
[INFO] [stdout]   26:     0x5567fa712bcf - tokio::runtime::scheduler::current_thread::CoreGuard::block_on::{{closure}}::{{closure}}::{{closure}}::hac502fe9d0c8ca72
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/tokio-1.37.0/src/runtime/scheduler/current_thread/mod.rs:659:57
[INFO] [stdout]   27:     0x5567fa712b15 - tokio::runtime::coop::with_budget::h5772473feedf75e6
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/tokio-1.37.0/src/runtime/coop.rs:107:5
[INFO] [stdout]   28:     0x5567fa712b15 - tokio::runtime::coop::budget::h1cedff380d0d76fe
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/tokio-1.37.0/src/runtime/coop.rs:73:5
[INFO] [stdout]   29:     0x5567fa712b15 - tokio::runtime::scheduler::current_thread::CoreGuard::block_on::{{closure}}::{{closure}}::h8c4e90f535c36b70
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/tokio-1.37.0/src/runtime/scheduler/current_thread/mod.rs:659:25
[INFO] [stdout]   30:     0x5567fa7118e0 - tokio::runtime::scheduler::current_thread::Context::enter::ha7498cf055706cab
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/tokio-1.37.0/src/runtime/scheduler/current_thread/mod.rs:404:19
[INFO] [stdout]   31:     0x5567fa71238b - tokio::runtime::scheduler::current_thread::CoreGuard::block_on::{{closure}}::h2b9b5f0577e897e9
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/tokio-1.37.0/src/runtime/scheduler/current_thread/mod.rs:658:36
[INFO] [stdout]   32:     0x5567fa712104 - tokio::runtime::scheduler::current_thread::CoreGuard::enter::{{closure}}::h56418ae36458e166
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/tokio-1.37.0/src/runtime/scheduler/current_thread/mod.rs:737:68
[INFO] [stdout]   33:     0x5567fa61277b - tokio::runtime::context::scoped::Scoped<T>::set::h7aa088ea4c80d610
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/tokio-1.37.0/src/runtime/context/scoped.rs:40:9
[INFO] [stdout]   34:     0x5567fa637809 - tokio::runtime::context::set_scheduler::{{closure}}::h94afc82b84f19872
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/tokio-1.37.0/src/runtime/context.rs:176:26
[INFO] [stdout]   35:     0x5567fa736ae0 - std::thread::local::LocalKey<T>::try_with::ha55e4718acbc58e5
[INFO] [stdout]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/std/src/thread/local.rs:286:12
[INFO] [stdout]   36:     0x5567fa7357da - std::thread::local::LocalKey<T>::with::h6754b1d50501e148
[INFO] [stdout]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/std/src/thread/local.rs:262:9
[INFO] [stdout]   37:     0x5567fa6377bd - tokio::runtime::context::set_scheduler::ha0fadfb0270ced03
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/tokio-1.37.0/src/runtime/context.rs:176:9
[INFO] [stdout]   38:     0x5567fa711eb0 - tokio::runtime::scheduler::current_thread::CoreGuard::enter::h387c7036b2984b21
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/tokio-1.37.0/src/runtime/scheduler/current_thread/mod.rs:737:27
[INFO] [stdout]   39:     0x5567fa712123 - tokio::runtime::scheduler::current_thread::CoreGuard::block_on::h3b5a535448cb2a21
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/tokio-1.37.0/src/runtime/scheduler/current_thread/mod.rs:646:19
[INFO] [stdout]   40:     0x5567fa70edcd - tokio::runtime::scheduler::current_thread::CurrentThread::block_on::{{closure}}::h1f48cb6748fafaa3
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/tokio-1.37.0/src/runtime/scheduler/current_thread/mod.rs:175:28
[INFO] [stdout]   41:     0x5567fa6128f6 - tokio::runtime::context::runtime::enter_runtime::h846190051fdbaffa
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/tokio-1.37.0/src/runtime/context/runtime.rs:65:16
[INFO] [stdout]   42:     0x5567fa70ece1 - tokio::runtime::scheduler::current_thread::CurrentThread::block_on::hcf7c6cc1d46a8f78
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/tokio-1.37.0/src/runtime/scheduler/current_thread/mod.rs:167:9
[INFO] [stdout]   43:     0x5567fa5998dd - tokio::runtime::runtime::Runtime::block_on::h6348c955ebacc02c
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/tokio-1.37.0/src/runtime/runtime.rs:349:47
[INFO] [stdout]   44:     0x5567fa75d7a0 - maelstrom_layer_fs::tests::two_layer_large_bottom_dir::haa23bc4635047224
[INFO] [stdout]                                at /opt/rustwide/workdir/src/lib.rs:1609:9
[INFO] [stdout]   45:     0x5567fa75d637 - maelstrom_layer_fs::tests::two_layer_large_bottom_dir::{{closure}}::h903a50c9bdc2bb94
[INFO] [stdout]                                at /opt/rustwide/workdir/src/lib.rs:1608:42
[INFO] [stdout]   46:     0x5567fa4f8f06 - core::ops::function::FnOnce::call_once::h321cc6aaa14e09ba
[INFO] [stdout]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   47:     0x5567fa7a193b - core::ops::function::FnOnce::call_once::h2e43a8f6f3d94b99
[INFO] [stdout]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   48:     0x5567fa7a193b - test::__rust_begin_short_backtrace::h214c9f2d2d3fee90
[INFO] [stdout]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/test/src/lib.rs:625:18
[INFO] [stdout]   49:     0x5567fa7a1041 - test::run_test_in_process::{{closure}}::h510b7ba7990692a5
[INFO] [stdout]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/test/src/lib.rs:648:60
[INFO] [stdout]   50:     0x5567fa7a1041 - <core::panic::unwind_safe::AssertUnwindSafe<F> as core::ops::function::FnOnce<()>>::call_once::h4157186197a93871
[INFO] [stdout]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/core/src/panic/unwind_safe.rs:272:9
[INFO] [stdout]   51:     0x5567fa7a1041 - std::panicking::try::do_call::h1bf2463bccd4b28c
[INFO] [stdout]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/std/src/panicking.rs:559:40
[INFO] [stdout]   52:     0x5567fa7a1041 - std::panicking::try::hd6d4808c9fab4fa5
[INFO] [stdout]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/std/src/panicking.rs:523:19
[INFO] [stdout]   53:     0x5567fa7a1041 - std::panic::catch_unwind::hd5641d97d123f9f2
[INFO] [stdout]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/std/src/panic.rs:149:14
[INFO] [stdout]   54:     0x5567fa7a1041 - test::run_test_in_process::hc273b71c8b878a4c
[INFO] [stdout]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/test/src/lib.rs:648:27
[INFO] [stdout]   55:     0x5567fa7a1041 - test::run_test::{{closure}}::h6838df834eb8467e
[INFO] [stdout]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/test/src/lib.rs:569:43
[INFO] [stdout]   56:     0x5567fa769a04 - test::run_test::{{closure}}::h608b98ecff5665fb
[INFO] [stdout]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/test/src/lib.rs:599:41
[INFO] [stdout]   57:     0x5567fa769a04 - std::sys_common::backtrace::__rust_begin_short_backtrace::hdc4182b97d1042e9
[INFO] [stdout]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/std/src/sys_common/backtrace.rs:155:18
[INFO] [stdout]   58:     0x5567fa76e432 - std::thread::Builder::spawn_unchecked_::{{closure}}::{{closure}}::h571773fd21d674c8
[INFO] [stdout]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/std/src/thread/mod.rs:542:17
[INFO] [stdout]   59:     0x5567fa76e432 - <core::panic::unwind_safe::AssertUnwindSafe<F> as core::ops::function::FnOnce<()>>::call_once::hdcd384cf2fa70ba3
[INFO] [stdout]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/core/src/panic/unwind_safe.rs:272:9
[INFO] [stdout]   60:     0x5567fa76e432 - std::panicking::try::do_call::h4f1a44bd81423be1
[INFO] [stdout]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/std/src/panicking.rs:559:40
[INFO] [stdout]   61:     0x5567fa76e432 - std::panicking::try::h5e02afcb81dcd361
[INFO] [stdout]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/std/src/panicking.rs:523:19
[INFO] [stdout]   62:     0x5567fa76e432 - std::panic::catch_unwind::h022f75775bfd8c45
[INFO] [stdout]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/std/src/panic.rs:149:14
[INFO] [stdout]   63:     0x5567fa76e432 - std::thread::Builder::spawn_unchecked_::{{closure}}::hf5a62e9e4e6df1f8
[INFO] [stdout]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/std/src/thread/mod.rs:541:30
[INFO] [stdout]   64:     0x5567fa76e432 - core::ops::function::FnOnce::call_once{{vtable.shim}}::h6d56360aeb9509a7
[INFO] [stdout]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   65:     0x5567fa995cab - <alloc::boxed::Box<F,A> as core::ops::function::FnOnce<Args>>::call_once::h7a343dc551c06baa
[INFO] [stdout]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/alloc/src/boxed.rs:2022:9
[INFO] [stdout]   66:     0x5567fa995cab - <alloc::boxed::Box<F,A> as core::ops::function::FnOnce<Args>>::call_once::h30b8111cbaa644f3
[INFO] [stdout]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/alloc/src/boxed.rs:2022:9
[INFO] [stdout]   67:     0x5567fa995cab - std::sys::pal::unix::thread::Thread::new::thread_start::h7404e134e61e7a11
[INFO] [stdout]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/std/src/sys/pal/unix/thread.rs:108:17
[INFO] [stdout]   68:     0x7f8ed1606ac3 - <unknown>
[INFO] [stdout]   69:     0x7f8ed1697a04 - __clone
[INFO] [stdout]   70:                0x0 - <unknown>
[INFO] [stdout] 
[INFO] [stdout] ---- tests::two_layer_empty_bottom stdout ----
[INFO] [stdout] May 25 05:23:31.998 DEBG mounting FUSE file-system in namespace
[INFO] [stdout] thread 'tests::two_layer_empty_bottom' panicked at src/lib.rs:1178:18:
[INFO] [stdout] called `Result::unwrap()` on an `Err` value: ENOSYS: Function not implemented
[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/index.crates.io-6f17d22bba15001f/anyhow-1.0.82/src/backtrace.rs:27:14
[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/1871252fc8bb672d40787e67404e6eaae7059369/library/core/src/result.rs:1964:27
[INFO] [stdout]    2: maelstrom_fuse::fuse_mount_namespace::{{closure}}::{{closure}}
[INFO] [stdout]              at /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/maelstrom-fuse-0.8.0/src/lib.rs:127:27
[INFO] [stdout]    3: <tokio::runtime::blocking::task::BlockingTask<T> as core::future::future::Future>::poll
[INFO] [stdout]              at /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/tokio-1.37.0/src/runtime/blocking/task.rs:42:21
[INFO] [stdout]    4: tokio::runtime::task::core::Core<T,S>::poll::{{closure}}
[INFO] [stdout]              at /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/tokio-1.37.0/src/runtime/task/core.rs:328:17
[INFO] [stdout]    5: tokio::loom::std::unsafe_cell::UnsafeCell<T>::with_mut
[INFO] [stdout]              at /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/tokio-1.37.0/src/loom/std/unsafe_cell.rs:16:9
[INFO] [stdout]    6: tokio::runtime::task::core::Core<T,S>::poll
[INFO] [stdout]              at /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/tokio-1.37.0/src/runtime/task/core.rs:317:13
[INFO] [stdout]    7: tokio::runtime::task::harness::poll_future::{{closure}}
[INFO] [stdout]              at /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/tokio-1.37.0/src/runtime/task/harness.rs:485:19
[INFO] [stdout]    8: <core::panic::unwind_safe::AssertUnwindSafe<F> as core::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]              at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/core/src/panic/unwind_safe.rs:272:9
[INFO] [stdout]    9: std::panicking::try::do_call
[INFO] [stdout]              at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/std/src/panicking.rs:559:40
[INFO] [stdout]   10: __rust_try
[INFO] [stdout]   11: std::panicking::try
[INFO] [stdout]              at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/std/src/panicking.rs:523:19
[INFO] [stdout]   12: std::panic::catch_unwind
[INFO] [stdout]              at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/std/src/panic.rs:149:14
[INFO] [stdout]   13: tokio::runtime::task::harness::poll_future
[INFO] [stdout]              at /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/tokio-1.37.0/src/runtime/task/harness.rs:473:18
[INFO] [stdout]   14: tokio::runtime::task::harness::Harness<T,S>::poll_inner
[INFO] [stdout]              at /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/tokio-1.37.0/src/runtime/task/harness.rs:208:27
[INFO] [stdout]   15: tokio::runtime::task::harness::Harness<T,S>::poll
[INFO] [stdout]              at /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/tokio-1.37.0/src/runtime/task/harness.rs:153:15
[INFO] [stdout]   16: tokio::runtime::task::raw::poll
[INFO] [stdout]              at /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/tokio-1.37.0/src/runtime/task/raw.rs:271:5
[INFO] [stdout]   17: tokio::runtime::task::raw::RawTask::poll
[INFO] [stdout]              at /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/tokio-1.37.0/src/runtime/task/raw.rs:201:18
[INFO] [stdout]   18: tokio::runtime::task::UnownedTask<S>::run
[INFO] [stdout]              at /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/tokio-1.37.0/src/runtime/task/mod.rs:464:9
[INFO] [stdout]   19: tokio::runtime::blocking::pool::Task::run
[INFO] [stdout]              at /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/tokio-1.37.0/src/runtime/blocking/pool.rs:159:9
[INFO] [stdout]   20: tokio::runtime::blocking::pool::Inner::run
[INFO] [stdout]              at /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/tokio-1.37.0/src/runtime/blocking/pool.rs:513:17
[INFO] [stdout]   21: tokio::runtime::blocking::pool::Spawner::spawn_thread::{{closure}}
[INFO] [stdout]              at /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/tokio-1.37.0/src/runtime/blocking/pool.rs:471:13
[INFO] [stdout]   22: std::sys_common::backtrace::__rust_begin_short_backtrace
[INFO] [stdout]              at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/std/src/sys_common/backtrace.rs:155:18
[INFO] [stdout]   23: std::thread::Builder::spawn_unchecked_::{{closure}}::{{closure}}
[INFO] [stdout]              at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/std/src/thread/mod.rs:542:17
[INFO] [stdout]   24: <core::panic::unwind_safe::AssertUnwindSafe<F> as core::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]              at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/core/src/panic/unwind_safe.rs:272:9
[INFO] [stdout]   25: std::panicking::try::do_call
[INFO] [stdout]              at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/std/src/panicking.rs:559:40
[INFO] [stdout]   26: __rust_try
[INFO] [stdout]   27: std::panicking::try
[INFO] [stdout]              at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/std/src/panicking.rs:523:19
[INFO] [stdout]   28: std::panic::catch_unwind
[INFO] [stdout]              at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/std/src/panic.rs:149:14
[INFO] [stdout]   29: std::thread::Builder::spawn_unchecked_::{{closure}}
[INFO] [stdout]              at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/std/src/thread/mod.rs:541:30
[INFO] [stdout]   30: core::ops::function::FnOnce::call_once{{vtable.shim}}
[INFO] [stdout]              at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   31: <alloc::boxed::Box<F,A> as core::ops::function::FnOnce<Args>>::call_once
[INFO] [stdout]              at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/alloc/src/boxed.rs:2022:9
[INFO] [stdout]   32: <alloc::boxed::Box<F,A> as core::ops::function::FnOnce<Args>>::call_once
[INFO] [stdout]              at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/alloc/src/boxed.rs:2022:9
[INFO] [stdout]   33: std::sys::pal::unix::thread::Thread::new::thread_start
[INFO] [stdout]              at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/std/src/sys/pal/unix/thread.rs:108:17
[INFO] [stdout]   34: <unknown>
[INFO] [stdout]   35: __clone
[INFO] [stdout] stack backtrace:
[INFO] [stdout]    0:     0x5567fa98e315 - std::backtrace_rs::backtrace::libunwind::trace::h59d96bdb08384354
[INFO] [stdout]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/std/src/../../backtrace/src/backtrace/libunwind.rs:105:5
[INFO] [stdout]    1:     0x5567fa98e315 - std::backtrace_rs::backtrace::trace_unsynchronized::h9cf5becacfc93fba
[INFO] [stdout]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/std/src/../../backtrace/src/backtrace/mod.rs:66:5
[INFO] [stdout]    2:     0x5567fa98e315 - std::sys_common::backtrace::_print_fmt::h10b76d10405dbd48
[INFO] [stdout]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/std/src/sys_common/backtrace.rs:68:5
[INFO] [stdout]    3:     0x5567fa98e315 - <std::sys_common::backtrace::_print::DisplayBacktrace as core::fmt::Display>::fmt::h6ed9e62a156d84e4
[INFO] [stdout]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/std/src/sys_common/backtrace.rs:44:22
[INFO] [stdout]    4:     0x5567fa9b767b - core::fmt::rt::Argument::fmt::h645c680983f03c9f
[INFO] [stdout]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/core/src/fmt/rt.rs:165:63
[INFO] [stdout]    5:     0x5567fa9b767b - core::fmt::write::h8bcd80919a02be29
[INFO] [stdout]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/core/src/fmt/mod.rs:1169:21
[INFO] [stdout]    6:     0x5567fa98b51f - std::io::Write::write_fmt::h8d0c47c662cad79c
[INFO] [stdout]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/std/src/io/mod.rs:1835:15
[INFO] [stdout]    7:     0x5567fa98e0ee - std::sys_common::backtrace::_print::h6306f131a28d62b0
[INFO] [stdout]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/std/src/sys_common/backtrace.rs:47:5
[INFO] [stdout]    8:     0x5567fa98e0ee - std::sys_common::backtrace::print::h7079288e0a26dfcc
[INFO] [stdout]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/std/src/sys_common/backtrace.rs:34:9
[INFO] [stdout]    9:     0x5567fa98fb19 - std::panicking::default_hook::{{closure}}::hb063ecec81a736ba
[INFO] [stdout]   10:     0x5567fa98f7de - std::panicking::default_hook::hd56ee406bf547b5c
[INFO] [stdout]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/std/src/panicking.rs:295:9
[INFO] [stdout]   11:     0x5567fa79cf5a - <alloc::boxed::Box<F,A> as core::ops::function::Fn<Args>>::call::he5eacdef44c8728f
[INFO] [stdout]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/alloc/src/boxed.rs:2036:9
[INFO] [stdout]   12:     0x5567fa79cf5a - test::test_main::{{closure}}::h0ec9aed229e79095
[INFO] [stdout]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/test/src/lib.rs:137:21
[INFO] [stdout]   13:     0x5567fa99011b - <alloc::boxed::Box<F,A> as core::ops::function::Fn<Args>>::call::hcbd0d80e1ad4e4f9
[INFO] [stdout]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/alloc/src/boxed.rs:2036:9
[INFO] [stdout]   14:     0x5567fa99011b - std::panicking::rust_panic_with_hook::h624aa3ca42ebb8f2
[INFO] [stdout]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/std/src/panicking.rs:799:13
[INFO] [stdout]   15:     0x5567fa98fe94 - std::panicking::begin_panic_handler::{{closure}}::hbc4e76194a5e287c
[INFO] [stdout]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/std/src/panicking.rs:664:13
[INFO] [stdout]   16:     0x5567fa98e7d9 - std::sys_common::backtrace::__rust_end_short_backtrace::h847fedc9d1ff7b6d
[INFO] [stdout]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/std/src/sys_common/backtrace.rs:171:18
[INFO] [stdout]   17:     0x5567fa98fbc7 - rust_begin_unwind
[INFO] [stdout]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/std/src/panicking.rs:652:5
[INFO] [stdout]   18:     0x5567fa4f72d3 - core::panicking::panic_fmt::hec11a924b87ce965
[INFO] [stdout]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/core/src/panicking.rs:72:14
[INFO] [stdout]   19:     0x5567fa4f7826 - core::result::unwrap_failed::h382691b96ca8c13a
[INFO] [stdout]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/core/src/result.rs:1654:5
[INFO] [stdout]   20:     0x5567fa74823a - core::result::Result<T,E>::unwrap::hf3b0b9adefa17504
[INFO] [stdout]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/core/src/result.rs:1077:23
[INFO] [stdout]   21:     0x5567fa74823a - maelstrom_layer_fs::tests::Fixture::mount::{{closure}}::h688ac20af9e777e3
[INFO] [stdout]                                at /opt/rustwide/workdir/src/lib.rs:1175:13
[INFO] [stdout]   22:     0x5567fa74fe53 - maelstrom_layer_fs::tests::two_layer_test::{{closure}}::h017a495aaa6bd521
[INFO] [stdout]                                at /opt/rustwide/workdir/src/lib.rs:1537:48
[INFO] [stdout]   23:     0x5567fa75c8c3 - maelstrom_layer_fs::tests::two_layer_empty_bottom::{{closure}}::h7376cd0237cd6b2d
[INFO] [stdout]                                at /opt/rustwide/workdir/src/lib.rs:1589:10
[INFO] [stdout]   24:     0x5567fa599dc2 - <core::pin::Pin<P> as core::future::future::Future>::poll::h58377329fe1be409
[INFO] [stdout]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/core/src/future/future.rs:123:9
[INFO] [stdout]   25:     0x5567fa599e5d - <core::pin::Pin<P> as core::future::future::Future>::poll::h9848842023914f90
[INFO] [stdout]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/core/src/future/future.rs:123:9
[INFO] [stdout]   26:     0x5567fa712bcf - tokio::runtime::scheduler::current_thread::CoreGuard::block_on::{{closure}}::{{closure}}::{{closure}}::hac502fe9d0c8ca72
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/tokio-1.37.0/src/runtime/scheduler/current_thread/mod.rs:659:57
[INFO] [stdout]   27:     0x5567fa712b15 - tokio::runtime::coop::with_budget::h5772473feedf75e6
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/tokio-1.37.0/src/runtime/coop.rs:107:5
[INFO] [stdout]   28:     0x5567fa712b15 - tokio::runtime::coop::budget::h1cedff380d0d76fe
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/tokio-1.37.0/src/runtime/coop.rs:73:5
[INFO] [stdout]   29:     0x5567fa712b15 - tokio::runtime::scheduler::current_thread::CoreGuard::block_on::{{closure}}::{{closure}}::h8c4e90f535c36b70
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/tokio-1.37.0/src/runtime/scheduler/current_thread/mod.rs:659:25
[INFO] [stdout]   30:     0x5567fa7118e0 - tokio::runtime::scheduler::current_thread::Context::enter::ha7498cf055706cab
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/tokio-1.37.0/src/runtime/scheduler/current_thread/mod.rs:404:19
[INFO] [stdout]   31:     0x5567fa71238b - tokio::runtime::scheduler::current_thread::CoreGuard::block_on::{{closure}}::h2b9b5f0577e897e9
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/tokio-1.37.0/src/runtime/scheduler/current_thread/mod.rs:658:36
[INFO] [stdout]   32:     0x5567fa712104 - tokio::runtime::scheduler::current_thread::CoreGuard::enter::{{closure}}::h56418ae36458e166
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/tokio-1.37.0/src/runtime/scheduler/current_thread/mod.rs:737:68
[INFO] [stdout]   33:     0x5567fa61277b - tokio::runtime::context::scoped::Scoped<T>::set::h7aa088ea4c80d610
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/tokio-1.37.0/src/runtime/context/scoped.rs:40:9
[INFO] [stdout]   34:     0x5567fa637809 - tokio::runtime::context::set_scheduler::{{closure}}::h94afc82b84f19872
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/tokio-1.37.0/src/runtime/context.rs:176:26
[INFO] [stdout]   35:     0x5567fa736ae0 - std::thread::local::LocalKey<T>::try_with::ha55e4718acbc58e5
[INFO] [stdout]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/std/src/thread/local.rs:286:12
[INFO] [stdout]   36:     0x5567fa7357da - std::thread::local::LocalKey<T>::with::h6754b1d50501e148
[INFO] [stdout]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/std/src/thread/local.rs:262:9
[INFO] [stdout]   37:     0x5567fa6377bd - tokio::runtime::context::set_scheduler::ha0fadfb0270ced03
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/tokio-1.37.0/src/runtime/context.rs:176:9
[INFO] [stdout]   38:     0x5567fa711eb0 - tokio::runtime::scheduler::current_thread::CoreGuard::enter::h387c7036b2984b21
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/tokio-1.37.0/src/runtime/scheduler/current_thread/mod.rs:737:27
[INFO] [stdout]   39:     0x5567fa712123 - tokio::runtime::scheduler::current_thread::CoreGuard::block_on::h3b5a535448cb2a21
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/tokio-1.37.0/src/runtime/scheduler/current_thread/mod.rs:646:19
[INFO] [stdout]   40:     0x5567fa70edcd - tokio::runtime::scheduler::current_thread::CurrentThread::block_on::{{closure}}::h1f48cb6748fafaa3
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/tokio-1.37.0/src/runtime/scheduler/current_thread/mod.rs:175:28
[INFO] [stdout]   41:     0x5567fa6128f6 - tokio::runtime::context::runtime::enter_runtime::h846190051fdbaffa
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/tokio-1.37.0/src/runtime/context/runtime.rs:65:16
[INFO] [stdout]   42:     0x5567fa70ece1 - tokio::runtime::scheduler::current_thread::CurrentThread::block_on::hcf7c6cc1d46a8f78
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/tokio-1.37.0/src/runtime/scheduler/current_thread/mod.rs:167:9
[INFO] [stdout]   43:     0x5567fa5998dd - tokio::runtime::runtime::Runtime::block_on::h6348c955ebacc02c
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/tokio-1.37.0/src/runtime/runtime.rs:349:47
[INFO] [stdout]   44:     0x5567fa75bdc0 - maelstrom_layer_fs::tests::two_layer_empty_bottom::h3473eb759974ee14
[INFO] [stdout]                                at /opt/rustwide/workdir/src/lib.rs:1579:9
[INFO] [stdout]   45:     0x5567fa75bc57 - maelstrom_layer_fs::tests::two_layer_empty_bottom::{{closure}}::h4355f5b8739b44e3
[INFO] [stdout]                                at /opt/rustwide/workdir/src/lib.rs:1578:38
[INFO] [stdout]   46:     0x5567fa4fa626 - core::ops::function::FnOnce::call_once::h81ae405c827094c6
[INFO] [stdout]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   47:     0x5567fa7a193b - core::ops::function::FnOnce::call_once::h2e43a8f6f3d94b99
[INFO] [stdout]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   48:     0x5567fa7a193b - test::__rust_begin_short_backtrace::h214c9f2d2d3fee90
[INFO] [stdout]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/test/src/lib.rs:625:18
[INFO] [stdout]   49:     0x5567fa7a1041 - test::run_test_in_process::{{closure}}::h510b7ba7990692a5
[INFO] [stdout]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/test/src/lib.rs:648:60
[INFO] [stdout]   50:     0x5567fa7a1041 - <core::panic::unwind_safe::AssertUnwindSafe<F> as core::ops::function::FnOnce<()>>::call_once::h4157186197a93871
[INFO] [stdout]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/core/src/panic/unwind_safe.rs:272:9
[INFO] [stdout]   51:     0x5567fa7a1041 - std::panicking::try::do_call::h1bf2463bccd4b28c
[INFO] [stdout]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/std/src/panicking.rs:559:40
[INFO] [stdout]   52:     0x5567fa7a1041 - std::panicking::try::hd6d4808c9fab4fa5
[INFO] [stdout]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/std/src/panicking.rs:523:19
[INFO] [stdout]   53:     0x5567fa7a1041 - std::panic::catch_unwind::hd5641d97d123f9f2
[INFO] [stdout]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/std/src/panic.rs:149:14
[INFO] [stdout]   54:     0x5567fa7a1041 - test::run_test_in_process::hc273b71c8b878a4c
[INFO] [stdout]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/test/src/lib.rs:648:27
[INFO] [stdout]   55:     0x5567fa7a1041 - test::run_test::{{closure}}::h6838df834eb8467e
[INFO] [stdout]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/test/src/lib.rs:569:43
[INFO] [stdout]   56:     0x5567fa769a04 - test::run_test::{{closure}}::h608b98ecff5665fb
[INFO] [stdout]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/test/src/lib.rs:599:41
[INFO] [stdout]   57:     0x5567fa769a04 - std::sys_common::backtrace::__rust_begin_short_backtrace::hdc4182b97d1042e9
[INFO] [stdout]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/std/src/sys_common/backtrace.rs:155:18
[INFO] [stdout]   58:     0x5567fa76e432 - std::thread::Builder::spawn_unchecked_::{{closure}}::{{closure}}::h571773fd21d674c8
[INFO] [stdout]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/std/src/thread/mod.rs:542:17
[INFO] [stdout]   59:     0x5567fa76e432 - <core::panic::unwind_safe::AssertUnwindSafe<F> as core::ops::function::FnOnce<()>>::call_once::hdcd384cf2fa70ba3
[INFO] [stdout]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/core/src/panic/unwind_safe.rs:272:9
[INFO] [stdout]   60:     0x5567fa76e432 - std::panicking::try::do_call::h4f1a44bd81423be1
[INFO] [stdout]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/std/src/panicking.rs:559:40
[INFO] [stdout]   61:     0x5567fa76e432 - std::panicking::try::h5e02afcb81dcd361
[INFO] [stdout]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/std/src/panicking.rs:523:19
[INFO] [stdout]   62:     0x5567fa76e432 - std::panic::catch_unwind::h022f75775bfd8c45
[INFO] [stdout]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/std/src/panic.rs:149:14
[INFO] [stdout]   63:     0x5567fa76e432 - std::thread::Builder::spawn_unchecked_::{{closure}}::hf5a62e9e4e6df1f8
[INFO] [stdout]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/std/src/thread/mod.rs:541:30
[INFO] [stdout]   64:     0x5567fa76e432 - core::ops::function::FnOnce::call_once{{vtable.shim}}::h6d56360aeb9509a7
[INFO] [stdout]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   65:     0x5567fa995cab - <alloc::boxed::Box<F,A> as core::ops::function::FnOnce<Args>>::call_once::h7a343dc551c06baa
[INFO] [stdout]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/alloc/src/boxed.rs:2022:9
[INFO] [stdout]   66:     0x5567fa995cab - <alloc::boxed::Box<F,A> as core::ops::function::FnOnce<Args>>::call_once::h30b8111cbaa644f3
[INFO] [stdout]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/alloc/src/boxed.rs:2022:9
[INFO] [stdout]   67:     0x5567fa995cab - std::sys::pal::unix::thread::Thread::new::thread_start::h7404e134e61e7a11
[INFO] [stdout]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/std/src/sys/pal/unix/thread.rs:108:17
[INFO] [stdout]   68:     0x7f8ed1606ac3 - <unknown>
[INFO] [stdout]   69:     0x7f8ed1697a04 - __clone
[INFO] [stdout]   70:                0x0 - <unknown>
[INFO] [stdout] 
[INFO] [stdout] ---- tests::layer_from_manifest_with_whiteout_and_opaque_dir stdout ----
[INFO] [stdout] May 25 05:23:32.004 DEBG mounting FUSE file-system in namespace
[INFO] [stdout] thread 'tests::layer_from_manifest_with_whiteout_and_opaque_dir' panicked at src/lib.rs:1178:18:
[INFO] [stdout] called `Result::unwrap()` on an `Err` value: ENOSYS: Function not implemented
[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/index.crates.io-6f17d22bba15001f/anyhow-1.0.82/src/backtrace.rs:27:14
[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/1871252fc8bb672d40787e67404e6eaae7059369/library/core/src/result.rs:1964:27
[INFO] [stdout]    2: maelstrom_fuse::fuse_mount_namespace::{{closure}}::{{closure}}
[INFO] [stdout]              at /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/maelstrom-fuse-0.8.0/src/lib.rs:127:27
[INFO] [stdout]    3: <tokio::runtime::blocking::task::BlockingTask<T> as core::future::future::Future>::poll
[INFO] [stdout]              at /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/tokio-1.37.0/src/runtime/blocking/task.rs:42:21
[INFO] [stdout]    4: tokio::runtime::task::core::Core<T,S>::poll::{{closure}}
[INFO] [stdout]              at /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/tokio-1.37.0/src/runtime/task/core.rs:328:17
[INFO] [stdout]    5: tokio::loom::std::unsafe_cell::UnsafeCell<T>::with_mut
[INFO] [stdout]              at /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/tokio-1.37.0/src/loom/std/unsafe_cell.rs:16:9
[INFO] [stdout]    6: tokio::runtime::task::core::Core<T,S>::poll
[INFO] [stdout]              at /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/tokio-1.37.0/src/runtime/task/core.rs:317:13
[INFO] [stdout]    7: tokio::runtime::task::harness::poll_future::{{closure}}
[INFO] [stdout]              at /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/tokio-1.37.0/src/runtime/task/harness.rs:485:19
[INFO] [stdout]    8: <core::panic::unwind_safe::AssertUnwindSafe<F> as core::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]              at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/core/src/panic/unwind_safe.rs:272:9
[INFO] [stdout]    9: std::panicking::try::do_call
[INFO] [stdout]              at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/std/src/panicking.rs:559:40
[INFO] [stdout]   10: __rust_try
[INFO] [stdout]   11: std::panicking::try
[INFO] [stdout]              at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/std/src/panicking.rs:523:19
[INFO] [stdout]   12: std::panic::catch_unwind
[INFO] [stdout]              at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/std/src/panic.rs:149:14
[INFO] [stdout]   13: tokio::runtime::task::harness::poll_future
[INFO] [stdout]              at /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/tokio-1.37.0/src/runtime/task/harness.rs:473:18
[INFO] [stdout]   14: tokio::runtime::task::harness::Harness<T,S>::poll_inner
[INFO] [stdout]              at /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/tokio-1.37.0/src/runtime/task/harness.rs:208:27
[INFO] [stdout]   15: tokio::runtime::task::harness::Harness<T,S>::poll
[INFO] [stdout]              at /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/tokio-1.37.0/src/runtime/task/harness.rs:153:15
[INFO] [stdout]   16: tokio::runtime::task::raw::poll
[INFO] [stdout]              at /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/tokio-1.37.0/src/runtime/task/raw.rs:271:5
[INFO] [stdout]   17: tokio::runtime::task::raw::RawTask::poll
[INFO] [stdout]              at /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/tokio-1.37.0/src/runtime/task/raw.rs:201:18
[INFO] [stdout]   18: tokio::runtime::task::UnownedTask<S>::run
[INFO] [stdout]              at /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/tokio-1.37.0/src/runtime/task/mod.rs:464:9
[INFO] [stdout]   19: tokio::runtime::blocking::pool::Task::run
[INFO] [stdout]              at /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/tokio-1.37.0/src/runtime/blocking/pool.rs:159:9
[INFO] [stdout]   20: tokio::runtime::blocking::pool::Inner::run
[INFO] [stdout]              at /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/tokio-1.37.0/src/runtime/blocking/pool.rs:513:17
[INFO] [stdout]   21: tokio::runtime::blocking::pool::Spawner::spawn_thread::{{closure}}
[INFO] [stdout]              at /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/tokio-1.37.0/src/runtime/blocking/pool.rs:471:13
[INFO] [stdout]   22: std::sys_common::backtrace::__rust_begin_short_backtrace
[INFO] [stdout]              at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/std/src/sys_common/backtrace.rs:155:18
[INFO] [stdout]   23: std::thread::Builder::spawn_unchecked_::{{closure}}::{{closure}}
[INFO] [stdout]              at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/std/src/thread/mod.rs:542:17
[INFO] [stdout]   24: <core::panic::unwind_safe::AssertUnwindSafe<F> as core::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]              at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/core/src/panic/unwind_safe.rs:272:9
[INFO] [stdout]   25: std::panicking::try::do_call
[INFO] [stdout]              at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/std/src/panicking.rs:559:40
[INFO] [stdout]   26: __rust_try
[INFO] [stdout]   27: std::panicking::try
[INFO] [stdout]              at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/std/src/panicking.rs:523:19
[INFO] [stdout]   28: std::panic::catch_unwind
[INFO] [stdout]              at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/std/src/panic.rs:149:14
[INFO] [stdout]   29: std::thread::Builder::spawn_unchecked_::{{closure}}
[INFO] [stdout]              at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/std/src/thread/mod.rs:541:30
[INFO] [stdout]   30: core::ops::function::FnOnce::call_once{{vtable.shim}}
[INFO] [stdout]              at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   31: <alloc::boxed::Box<F,A> as core::ops::function::FnOnce<Args>>::call_once
[INFO] [stdout]              at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/alloc/src/boxed.rs:2022:9
[INFO] [stdout]   32: <alloc::boxed::Box<F,A> as core::ops::function::FnOnce<Args>>::call_once
[INFO] [stdout]              at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/alloc/src/boxed.rs:2022:9
[INFO] [stdout]   33: std::sys::pal::unix::thread::Thread::new::thread_start
[INFO] [stdout]              at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/std/src/sys/pal/unix/thread.rs:108:17
[INFO] [stdout]   34: <unknown>
[INFO] [stdout]   35: __clone
[INFO] [stdout] stack backtrace:
[INFO] [stdout]    0:     0x5567fa98e315 - std::backtrace_rs::backtrace::libunwind::trace::h59d96bdb08384354
[INFO] [stdout]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/std/src/../../backtrace/src/backtrace/libunwind.rs:105:5
[INFO] [stdout]    1:     0x5567fa98e315 - std::backtrace_rs::backtrace::trace_unsynchronized::h9cf5becacfc93fba
[INFO] [stdout]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/std/src/../../backtrace/src/backtrace/mod.rs:66:5
[INFO] [stdout]    2:     0x5567fa98e315 - std::sys_common::backtrace::_print_fmt::h10b76d10405dbd48
[INFO] [stdout]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/std/src/sys_common/backtrace.rs:68:5
[INFO] [stdout]    3:     0x5567fa98e315 - <std::sys_common::backtrace::_print::DisplayBacktrace as core::fmt::Display>::fmt::h6ed9e62a156d84e4
[INFO] [stdout]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/std/src/sys_common/backtrace.rs:44:22
[INFO] [stdout]    4:     0x5567fa9b767b - core::fmt::rt::Argument::fmt::h645c680983f03c9f
[INFO] [stdout]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/core/src/fmt/rt.rs:165:63
[INFO] [stdout]    5:     0x5567fa9b767b - core::fmt::write::h8bcd80919a02be29
[INFO] [stdout]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/core/src/fmt/mod.rs:1169:21
[INFO] [stdout]    6:     0x5567fa98b51f - std::io::Write::write_fmt::h8d0c47c662cad79c
[INFO] [stdout]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/std/src/io/mod.rs:1835:15
[INFO] [stdout]    7:     0x5567fa98e0ee - std::sys_common::backtrace::_print::h6306f131a28d62b0
[INFO] [stdout]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/std/src/sys_common/backtrace.rs:47:5
[INFO] [stdout]    8:     0x5567fa98e0ee - std::sys_common::backtrace::print::h7079288e0a26dfcc
[INFO] [stdout]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/std/src/sys_common/backtrace.rs:34:9
[INFO] [stdout]    9:     0x5567fa98fb19 - std::panicking::default_hook::{{closure}}::hb063ecec81a736ba
[INFO] [stdout]   10:     0x5567fa98f7de - std::panicking::default_hook::hd56ee406bf547b5c
[INFO] [stdout]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/std/src/panicking.rs:295:9
[INFO] [stdout]   11:     0x5567fa79cf5a - <alloc::boxed::Box<F,A> as core::ops::function::Fn<Args>>::call::he5eacdef44c8728f
[INFO] [stdout]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/alloc/src/boxed.rs:2036:9
[INFO] [stdout]   12:     0x5567fa79cf5a - test::test_main::{{closure}}::h0ec9aed229e79095
[INFO] [stdout]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/test/src/lib.rs:137:21
[INFO] [stdout]   13:     0x5567fa99011b - <alloc::boxed::Box<F,A> as core::ops::function::Fn<Args>>::call::hcbd0d80e1ad4e4f9
[INFO] [stdout]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/alloc/src/boxed.rs:2036:9
[INFO] [stdout]   14:     0x5567fa99011b - std::panicking::rust_panic_with_hook::h624aa3ca42ebb8f2
[INFO] [stdout]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/std/src/panicking.rs:799:13
[INFO] [stdout]   15:     0x5567fa98fe94 - std::panicking::begin_panic_handler::{{closure}}::hbc4e76194a5e287c
[INFO] [stdout]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/std/src/panicking.rs:664:13
[INFO] [stdout]   16:     0x5567fa98e7d9 - std::sys_common::backtrace::__rust_end_short_backtrace::h847fedc9d1ff7b6d
[INFO] [stdout]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/std/src/sys_common/backtrace.rs:171:18
[INFO] [stdout]   17:     0x5567fa98fbc7 - rust_begin_unwind
[INFO] [stdout]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/std/src/panicking.rs:652:5
[INFO] [stdout]   18:     0x5567fa4f72d3 - core::panicking::panic_fmt::hec11a924b87ce965
[INFO] [stdout]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/core/src/panicking.rs:72:14
[INFO] [stdout]   19:     0x5567fa4f7826 - core::result::unwrap_failed::h382691b96ca8c13a
[INFO] [stdout]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/core/src/result.rs:1654:5
[INFO] [stdout]   20:     0x5567fa74823a - core::result::Result<T,E>::unwrap::hf3b0b9adefa17504
[INFO] [stdout]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/core/src/result.rs:1077:23
[INFO] [stdout]   21:     0x5567fa74823a - maelstrom_layer_fs::tests::Fixture::mount::{{closure}}::h688ac20af9e777e3
[INFO] [stdout]                                at /opt/rustwide/workdir/src/lib.rs:1175:13
[INFO] [stdout]   22:     0x5567fa74d353 - maelstrom_layer_fs::tests::layer_from_tar_or_manifest_with_whiteout_and_opaque_dir::{{closure}}::h979e4480cbf380e1
[INFO] [stdout]                                at /opt/rustwide/workdir/src/lib.rs:1495:48
[INFO] [stdout]   23:     0x5567fa75b8a3 - maelstrom_layer_fs::tests::layer_from_manifest_with_whiteout_and_opaque_dir::{{closure}}::h391ee568ea42753d
[INFO] [stdout]                                at /opt/rustwide/workdir/src/lib.rs:1521:10
[INFO] [stdout]   24:     0x5567fa599dc2 - <core::pin::Pin<P> as core::future::future::Future>::poll::h58377329fe1be409
[INFO] [stdout]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/core/src/future/future.rs:123:9
[INFO] [stdout]   25:     0x5567fa599e5d - <core::pin::Pin<P> as core::future::future::Future>::poll::h9848842023914f90
[INFO] [stdout]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/core/src/future/future.rs:123:9
[INFO] [stdout]   26:     0x5567fa712bcf - tokio::runtime::scheduler::current_thread::CoreGuard::block_on::{{closure}}::{{closure}}::{{closure}}::hac502fe9d0c8ca72
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/tokio-1.37.0/src/runtime/scheduler/current_thread/mod.rs:659:57
[INFO] [stdout]   27:     0x5567fa712b15 - tokio::runtime::coop::with_budget::h5772473feedf75e6
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/tokio-1.37.0/src/runtime/coop.rs:107:5
[INFO] [stdout]   28:     0x5567fa712b15 - tokio::runtime::coop::budget::h1cedff380d0d76fe
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/tokio-1.37.0/src/runtime/coop.rs:73:5
[INFO] [stdout]   29:     0x5567fa712b15 - tokio::runtime::scheduler::current_thread::CoreGuard::block_on::{{closure}}::{{closure}}::h8c4e90f535c36b70
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/tokio-1.37.0/src/runtime/scheduler/current_thread/mod.rs:659:25
[INFO] [stdout]   30:     0x5567fa7118e0 - tokio::runtime::scheduler::current_thread::Context::enter::ha7498cf055706cab
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/tokio-1.37.0/src/runtime/scheduler/current_thread/mod.rs:404:19
[INFO] [stdout]   31:     0x5567fa71238b - tokio::runtime::scheduler::current_thread::CoreGuard::block_on::{{closure}}::h2b9b5f0577e897e9
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/tokio-1.37.0/src/runtime/scheduler/current_thread/mod.rs:658:36
[INFO] [stdout]   32:     0x5567fa712104 - tokio::runtime::scheduler::current_thread::CoreGuard::enter::{{closure}}::h56418ae36458e166
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/tokio-1.37.0/src/runtime/scheduler/current_thread/mod.rs:737:68
[INFO] [stdout]   33:     0x5567fa61277b - tokio::runtime::context::scoped::Scoped<T>::set::h7aa088ea4c80d610
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/tokio-1.37.0/src/runtime/context/scoped.rs:40:9
[INFO] [stdout]   34:     0x5567fa637809 - tokio::runtime::context::set_scheduler::{{closure}}::h94afc82b84f19872
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/tokio-1.37.0/src/runtime/context.rs:176:26
[INFO] [stdout]   35:     0x5567fa736ae0 - std::thread::local::LocalKey<T>::try_with::ha55e4718acbc58e5
[INFO] [stdout]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/std/src/thread/local.rs:286:12
[INFO] [stdout]   36:     0x5567fa7357da - std::thread::local::LocalKey<T>::with::h6754b1d50501e148
[INFO] [stdout]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/std/src/thread/local.rs:262:9
[INFO] [stdout]   37:     0x5567fa6377bd - tokio::runtime::context::set_scheduler::ha0fadfb0270ced03
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/tokio-1.37.0/src/runtime/context.rs:176:9
[INFO] [stdout]   38:     0x5567fa711eb0 - tokio::runtime::scheduler::current_thread::CoreGuard::enter::h387c7036b2984b21
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/tokio-1.37.0/src/runtime/scheduler/current_thread/mod.rs:737:27
[INFO] [stdout]   39:     0x5567fa712123 - tokio::runtime::scheduler::current_thread::CoreGuard::block_on::h3b5a535448cb2a21
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/tokio-1.37.0/src/runtime/scheduler/current_thread/mod.rs:646:19
[INFO] [stdout]   40:     0x5567fa70edcd - tokio::runtime::scheduler::current_thread::CurrentThread::block_on::{{closure}}::h1f48cb6748fafaa3
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/tokio-1.37.0/src/runtime/scheduler/current_thread/mod.rs:175:28
[INFO] [stdout]   41:     0x5567fa6128f6 - tokio::runtime::context::runtime::enter_runtime::h846190051fdbaffa
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/tokio-1.37.0/src/runtime/context/runtime.rs:65:16
[INFO] [stdout]   42:     0x5567fa70ece1 - tokio::runtime::scheduler::current_thread::CurrentThread::block_on::hcf7c6cc1d46a8f78
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/tokio-1.37.0/src/runtime/scheduler/current_thread/mod.rs:167:9
[INFO] [stdout]   43:     0x5567fa5998dd - tokio::runtime::runtime::Runtime::block_on::h6348c955ebacc02c
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/tokio-1.37.0/src/runtime/runtime.rs:349:47
[INFO] [stdout]   44:     0x5567fa75b6d0 - maelstrom_layer_fs::tests::layer_from_manifest_with_whiteout_and_opaque_dir::hcfde8efe74facc8b
[INFO] [stdout]                                at /opt/rustwide/workdir/src/lib.rs:1518:9
[INFO] [stdout]   45:     0x5567fa75b567 - maelstrom_layer_fs::tests::layer_from_manifest_with_whiteout_and_opaque_dir::{{closure}}::h37e55e21c7fe9b80
[INFO] [stdout]                                at /opt/rustwide/workdir/src/lib.rs:1517:64
[INFO] [stdout]   46:     0x5567fa4fc366 - core::ops::function::FnOnce::call_once::he304b6f1cead25a9
[INFO] [stdout]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   47:     0x5567fa7a193b - core::ops::function::FnOnce::call_once::h2e43a8f6f3d94b99
[INFO] [stdout]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   48:     0x5567fa7a193b - test::__rust_begin_short_backtrace::h214c9f2d2d3fee90
[INFO] [stdout]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/test/src/lib.rs:625:18
[INFO] [stdout]   49:     0x5567fa7a1041 - test::run_test_in_process::{{closure}}::h510b7ba7990692a5
[INFO] [stdout]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/test/src/lib.rs:648:60
[INFO] [stdout]   50:     0x5567fa7a1041 - <core::panic::unwind_safe::AssertUnwindSafe<F> as core::ops::function::FnOnce<()>>::call_once::h4157186197a93871
[INFO] [stdout]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/core/src/panic/unwind_safe.rs:272:9
[INFO] [stdout]   51:     0x5567fa7a1041 - std::panicking::try::do_call::h1bf2463bccd4b28c
[INFO] [stdout]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/std/src/panicking.rs:559:40
[INFO] [stdout]   52:     0x5567fa7a1041 - std::panicking::try::hd6d4808c9fab4fa5
[INFO] [stdout]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/std/src/panicking.rs:523:19
[INFO] [stdout]   53:     0x5567fa7a1041 - std::panic::catch_unwind::hd5641d97d123f9f2
[INFO] [stdout]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/std/src/panic.rs:149:14
[INFO] [stdout]   54:     0x5567fa7a1041 - test::run_test_in_process::hc273b71c8b878a4c
[INFO] [stdout]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/test/src/lib.rs:648:27
[INFO] [stdout]   55:     0x5567fa7a1041 - test::run_test::{{closure}}::h6838df834eb8467e
[INFO] [stdout]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/test/src/lib.rs:569:43
[INFO] [stdout]   56:     0x5567fa769a04 - test::run_test::{{closure}}::h608b98ecff5665fb
[INFO] [stdout]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/test/src/lib.rs:599:41
[INFO] [stdout]   57:     0x5567fa769a04 - std::sys_common::backtrace::__rust_begin_short_backtrace::hdc4182b97d1042e9
[INFO] [stdout]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/std/src/sys_common/backtrace.rs:155:18
[INFO] [stdout]   58:     0x5567fa76e432 - std::thread::Builder::spawn_unchecked_::{{closure}}::{{closure}}::h571773fd21d674c8
[INFO] [stdout]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/std/src/thread/mod.rs:542:17
[INFO] [stdout]   59:     0x5567fa76e432 - <core::panic::unwind_safe::AssertUnwindSafe<F> as core::ops::function::FnOnce<()>>::call_once::hdcd384cf2fa70ba3
[INFO] [stdout]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/core/src/panic/unwind_safe.rs:272:9
[INFO] [stdout]   60:     0x5567fa76e432 - std::panicking::try::do_call::h4f1a44bd81423be1
[INFO] [stdout]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/std/src/panicking.rs:559:40
[INFO] [stdout]   61:     0x5567fa76e432 - std::panicking::try::h5e02afcb81dcd361
[INFO] [stdout]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/std/src/panicking.rs:523:19
[INFO] [stdout]   62:     0x5567fa76e432 - std::panic::catch_unwind::h022f75775bfd8c45
[INFO] [stdout]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/std/src/panic.rs:149:14
[INFO] [stdout]   63:     0x5567fa76e432 - std::thread::Builder::spawn_unchecked_::{{closure}}::hf5a62e9e4e6df1f8
[INFO] [stdout]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/std/src/thread/mod.rs:541:30
[INFO] [stdout]   64:     0x5567fa76e432 - core::ops::function::FnOnce::call_once{{vtable.shim}}::h6d56360aeb9509a7
[INFO] [stdout]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   65:     0x5567fa995cab - <alloc::boxed::Box<F,A> as core::ops::function::FnOnce<Args>>::call_once::h7a343dc551c06baa
[INFO] [stdout]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/alloc/src/boxed.rs:2022:9
[INFO] [stdout]   66:     0x5567fa995cab - <alloc::boxed::Box<F,A> as core::ops::function::FnOnce<Args>>::call_once::h30b8111cbaa644f3
[INFO] [stdout]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/alloc/src/boxed.rs:2022:9
[INFO] [stdout]   67:     0x5567fa995cab - std::sys::pal::unix::thread::Thread::new::thread_start::h7404e134e61e7a11
[INFO] [stdout]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/std/src/sys/pal/unix/thread.rs:108:17
[INFO] [stdout]   68:     0x7f8ed1606ac3 - <unknown>
[INFO] [stdout]   69:     0x7f8ed1697a04 - __clone
[INFO] [stdout]   70:                0x0 - <unknown>
[INFO] [stdout] 
[INFO] [stdout] ---- tests::layer_from_tar_with_whiteout_and_opaque_dir stdout ----
[INFO] [stdout] May 25 05:23:32.004 DEBG mounting FUSE file-system in namespace
[INFO] [stdout] thread 'tests::layer_from_tar_with_whiteout_and_opaque_dir' panicked at src/lib.rs:1178:18:
[INFO] [stdout] called `Result::unwrap()` on an `Err` value: ENOSYS: Function not implemented
[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/index.crates.io-6f17d22bba15001f/anyhow-1.0.82/src/backtrace.rs:27:14
[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/1871252fc8bb672d40787e67404e6eaae7059369/library/core/src/result.rs:1964:27
[INFO] [stdout]    2: maelstrom_fuse::fuse_mount_namespace::{{closure}}::{{closure}}
[INFO] [stdout]              at /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/maelstrom-fuse-0.8.0/src/lib.rs:127:27
[INFO] [stdout]    3: <tokio::runtime::blocking::task::BlockingTask<T> as core::future::future::Future>::poll
[INFO] [stdout]              at /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/tokio-1.37.0/src/runtime/blocking/task.rs:42:21
[INFO] [stdout]    4: tokio::runtime::task::core::Core<T,S>::poll::{{closure}}
[INFO] [stdout]              at /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/tokio-1.37.0/src/runtime/task/core.rs:328:17
[INFO] [stdout]    5: tokio::loom::std::unsafe_cell::UnsafeCell<T>::with_mut
[INFO] [stdout]              at /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/tokio-1.37.0/src/loom/std/unsafe_cell.rs:16:9
[INFO] [stdout]    6: tokio::runtime::task::core::Core<T,S>::poll
[INFO] [stdout]              at /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/tokio-1.37.0/src/runtime/task/core.rs:317:13
[INFO] [stdout]    7: tokio::runtime::task::harness::poll_future::{{closure}}
[INFO] [stdout]              at /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/tokio-1.37.0/src/runtime/task/harness.rs:485:19
[INFO] [stdout]    8: <core::panic::unwind_safe::AssertUnwindSafe<F> as core::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]              at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/core/src/panic/unwind_safe.rs:272:9
[INFO] [stdout]    9: std::panicking::try::do_call
[INFO] [stdout]              at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/std/src/panicking.rs:559:40
[INFO] [stdout]   10: __rust_try
[INFO] [stdout]   11: std::panicking::try
[INFO] [stdout]              at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/std/src/panicking.rs:523:19
[INFO] [stdout]   12: std::panic::catch_unwind
[INFO] [stdout]              at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/std/src/panic.rs:149:14
[INFO] [stdout]   13: tokio::runtime::task::harness::poll_future
[INFO] [stdout]              at /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/tokio-1.37.0/src/runtime/task/harness.rs:473:18
[INFO] [stdout]   14: tokio::runtime::task::harness::Harness<T,S>::poll_inner
[INFO] [stdout]              at /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/tokio-1.37.0/src/runtime/task/harness.rs:208:27
[INFO] [stdout]   15: tokio::runtime::task::harness::Harness<T,S>::poll
[INFO] [stdout]              at /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/tokio-1.37.0/src/runtime/task/harness.rs:153:15
[INFO] [stdout]   16: tokio::runtime::task::raw::poll
[INFO] [stdout]              at /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/tokio-1.37.0/src/runtime/task/raw.rs:271:5
[INFO] [stdout]   17: tokio::runtime::task::raw::RawTask::poll
[INFO] [stdout]              at /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/tokio-1.37.0/src/runtime/task/raw.rs:201:18
[INFO] [stdout]   18: tokio::runtime::task::UnownedTask<S>::run
[INFO] [stdout]              at /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/tokio-1.37.0/src/runtime/task/mod.rs:464:9
[INFO] [stdout]   19: tokio::runtime::blocking::pool::Task::run
[INFO] [stdout]              at /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/tokio-1.37.0/src/runtime/blocking/pool.rs:159:9
[INFO] [stdout]   20: tokio::runtime::blocking::pool::Inner::run
[INFO] [stdout]              at /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/tokio-1.37.0/src/runtime/blocking/pool.rs:513:17
[INFO] [stdout]   21: tokio::runtime::blocking::pool::Spawner::spawn_thread::{{closure}}
[INFO] [stdout]              at /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/tokio-1.37.0/src/runtime/blocking/pool.rs:471:13
[INFO] [stdout]   22: std::sys_common::backtrace::__rust_begin_short_backtrace
[INFO] [stdout]              at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/std/src/sys_common/backtrace.rs:155:18
[INFO] [stdout]   23: std::thread::Builder::spawn_unchecked_::{{closure}}::{{closure}}
[INFO] [stdout]              at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/std/src/thread/mod.rs:542:17
[INFO] [stdout]   24: <core::panic::unwind_safe::AssertUnwindSafe<F> as core::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]              at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/core/src/panic/unwind_safe.rs:272:9
[INFO] [stdout]   25: std::panicking::try::do_call
[INFO] [stdout]              at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/std/src/panicking.rs:559:40
[INFO] [stdout]   26: __rust_try
[INFO] [stdout]   27: std::panicking::try
[INFO] [stdout]              at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/std/src/panicking.rs:523:19
[INFO] [stdout]   28: std::panic::catch_unwind
[INFO] [stdout]              at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/std/src/panic.rs:149:14
[INFO] [stdout]   29: std::thread::Builder::spawn_unchecked_::{{closure}}
[INFO] [stdout]              at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/std/src/thread/mod.rs:541:30
[INFO] [stdout]   30: core::ops::function::FnOnce::call_once{{vtable.shim}}
[INFO] [stdout]              at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   31: <alloc::boxed::Box<F,A> as core::ops::function::FnOnce<Args>>::call_once
[INFO] [stdout]              at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/alloc/src/boxed.rs:2022:9
[INFO] [stdout]   32: <alloc::boxed::Box<F,A> as core::ops::function::FnOnce<Args>>::call_once
[INFO] [stdout]              at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/alloc/src/boxed.rs:2022:9
[INFO] [stdout]   33: std::sys::pal::unix::thread::Thread::new::thread_start
[INFO] [stdout]              at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/std/src/sys/pal/unix/thread.rs:108:17
[INFO] [stdout]   34: <unknown>
[INFO] [stdout]   35: __clone
[INFO] [stdout] stack backtrace:
[INFO] [stdout]    0:     0x5567fa98e315 - std::backtrace_rs::backtrace::libunwind::trace::h59d96bdb08384354
[INFO] [stdout]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/std/src/../../backtrace/src/backtrace/libunwind.rs:105:5
[INFO] [stdout]    1:     0x5567fa98e315 - std::backtrace_rs::backtrace::trace_unsynchronized::h9cf5becacfc93fba
[INFO] [stdout]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/std/src/../../backtrace/src/backtrace/mod.rs:66:5
[INFO] [stdout]    2:     0x5567fa98e315 - std::sys_common::backtrace::_print_fmt::h10b76d10405dbd48
[INFO] [stdout]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/std/src/sys_common/backtrace.rs:68:5
[INFO] [stdout]    3:     0x5567fa98e315 - <std::sys_common::backtrace::_print::DisplayBacktrace as core::fmt::Display>::fmt::h6ed9e62a156d84e4
[INFO] [stdout]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/std/src/sys_common/backtrace.rs:44:22
[INFO] [stdout]    4:     0x5567fa9b767b - core::fmt::rt::Argument::fmt::h645c680983f03c9f
[INFO] [stdout]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/core/src/fmt/rt.rs:165:63
[INFO] [stdout]    5:     0x5567fa9b767b - core::fmt::write::h8bcd80919a02be29
[INFO] [stdout]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/core/src/fmt/mod.rs:1169:21
[INFO] [stdout]    6:     0x5567fa98b51f - std::io::Write::write_fmt::h8d0c47c662cad79c
[INFO] [stdout]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/std/src/io/mod.rs:1835:15
[INFO] [stdout]    7:     0x5567fa98e0ee - std::sys_common::backtrace::_print::h6306f131a28d62b0
[INFO] [stdout]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/std/src/sys_common/backtrace.rs:47:5
[INFO] [stdout]    8:     0x5567fa98e0ee - std::sys_common::backtrace::print::h7079288e0a26dfcc
[INFO] [stdout]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/std/src/sys_common/backtrace.rs:34:9
[INFO] [stdout]    9:     0x5567fa98fb19 - std::panicking::default_hook::{{closure}}::hb063ecec81a736ba
[INFO] [stdout]   10:     0x5567fa98f7de - std::panicking::default_hook::hd56ee406bf547b5c
[INFO] [stdout]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/std/src/panicking.rs:295:9
[INFO] [stdout]   11:     0x5567fa79cf5a - <alloc::boxed::Box<F,A> as core::ops::function::Fn<Args>>::call::he5eacdef44c8728f
[INFO] [stdout]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/alloc/src/boxed.rs:2036:9
[INFO] [stdout]   12:     0x5567fa79cf5a - test::test_main::{{closure}}::h0ec9aed229e79095
[INFO] [stdout]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/test/src/lib.rs:137:21
[INFO] [stdout]   13:     0x5567fa99011b - <alloc::boxed::Box<F,A> as core::ops::function::Fn<Args>>::call::hcbd0d80e1ad4e4f9
[INFO] [stdout]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/alloc/src/boxed.rs:2036:9
[INFO] [stdout]   14:     0x5567fa99011b - std::panicking::rust_panic_with_hook::h624aa3ca42ebb8f2
[INFO] [stdout]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/std/src/panicking.rs:799:13
[INFO] [stdout]   15:     0x5567fa98fe94 - std::panicking::begin_panic_handler::{{closure}}::hbc4e76194a5e287c
[INFO] [stdout]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/std/src/panicking.rs:664:13
[INFO] [stdout]   16:     0x5567fa98e7d9 - std::sys_common::backtrace::__rust_end_short_backtrace::h847fedc9d1ff7b6d
[INFO] [stdout]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/std/src/sys_common/backtrace.rs:171:18
[INFO] [stdout]   17:     0x5567fa98fbc7 - rust_begin_unwind
[INFO] [stdout]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/std/src/panicking.rs:652:5
[INFO] [stdout]   18:     0x5567fa4f72d3 - core::panicking::panic_fmt::hec11a924b87ce965
[INFO] [stdout]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/core/src/panicking.rs:72:14
[INFO] [stdout]   19:     0x5567fa4f7826 - core::result::unwrap_failed::h382691b96ca8c13a
[INFO] [stdout]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/core/src/result.rs:1654:5
[INFO] [stdout]   20:     0x5567fa74823a - core::result::Result<T,E>::unwrap::hf3b0b9adefa17504
[INFO] [stdout]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/core/src/result.rs:1077:23
[INFO] [stdout]   21:     0x5567fa74823a - maelstrom_layer_fs::tests::Fixture::mount::{{closure}}::h688ac20af9e777e3
[INFO] [stdout]                                at /opt/rustwide/workdir/src/lib.rs:1175:13
[INFO] [stdout]   22:     0x5567fa74ea53 - maelstrom_layer_fs::tests::layer_from_tar_or_manifest_with_whiteout_and_opaque_dir::{{closure}}::hfde5b3669c53d964
[INFO] [stdout]                                at /opt/rustwide/workdir/src/lib.rs:1495:48
[INFO] [stdout]   23:     0x5567fa75b193 - maelstrom_layer_fs::tests::layer_from_tar_with_whiteout_and_opaque_dir::{{closure}}::h30745516af3ea446
[INFO] [stdout]                                at /opt/rustwide/workdir/src/lib.rs:1513:10
[INFO] [stdout]   24:     0x5567fa599dc2 - <core::pin::Pin<P> as core::future::future::Future>::poll::h58377329fe1be409
[INFO] [stdout]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/core/src/future/future.rs:123:9
[INFO] [stdout]   25:     0x5567fa599e5d - <core::pin::Pin<P> as core::future::future::Future>::poll::h9848842023914f90
[INFO] [stdout]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/core/src/future/future.rs:123:9
[INFO] [stdout]   26:     0x5567fa712bcf - tokio::runtime::scheduler::current_thread::CoreGuard::block_on::{{closure}}::{{closure}}::{{closure}}::hac502fe9d0c8ca72
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/tokio-1.37.0/src/runtime/scheduler/current_thread/mod.rs:659:57
[INFO] [stdout]   27:     0x5567fa712b15 - tokio::runtime::coop::with_budget::h5772473feedf75e6
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/tokio-1.37.0/src/runtime/coop.rs:107:5
[INFO] [stdout]   28:     0x5567fa712b15 - tokio::runtime::coop::budget::h1cedff380d0d76fe
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/tokio-1.37.0/src/runtime/coop.rs:73:5
[INFO] [stdout]   29:     0x5567fa712b15 - tokio::runtime::scheduler::current_thread::CoreGuard::block_on::{{closure}}::{{closure}}::h8c4e90f535c36b70
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/tokio-1.37.0/src/runtime/scheduler/current_thread/mod.rs:659:25
[INFO] [stdout]   30:     0x5567fa7118e0 - tokio::runtime::scheduler::current_thread::Context::enter::ha7498cf055706cab
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/tokio-1.37.0/src/runtime/scheduler/current_thread/mod.rs:404:19
[INFO] [stdout]   31:     0x5567fa71238b - tokio::runtime::scheduler::current_thread::CoreGuard::block_on::{{closure}}::h2b9b5f0577e897e9
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/tokio-1.37.0/src/runtime/scheduler/current_thread/mod.rs:658:36
[INFO] [stdout]   32:     0x5567fa712104 - tokio::runtime::scheduler::current_thread::CoreGuard::enter::{{closure}}::h56418ae36458e166
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/tokio-1.37.0/src/runtime/scheduler/current_thread/mod.rs:737:68
[INFO] [stdout]   33:     0x5567fa61277b - tokio::runtime::context::scoped::Scoped<T>::set::h7aa088ea4c80d610
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/tokio-1.37.0/src/runtime/context/scoped.rs:40:9
[INFO] [stdout]   34:     0x5567fa637809 - tokio::runtime::context::set_scheduler::{{closure}}::h94afc82b84f19872
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/tokio-1.37.0/src/runtime/context.rs:176:26
[INFO] [stdout]   35:     0x5567fa736ae0 - std::thread::local::LocalKey<T>::try_with::ha55e4718acbc58e5
[INFO] [stdout]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/std/src/thread/local.rs:286:12
[INFO] [stdout]   36:     0x5567fa7357da - std::thread::local::LocalKey<T>::with::h6754b1d50501e148
[INFO] [stdout]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/std/src/thread/local.rs:262:9
[INFO] [stdout]   37:     0x5567fa6377bd - tokio::runtime::context::set_scheduler::ha0fadfb0270ced03
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/tokio-1.37.0/src/runtime/context.rs:176:9
[INFO] [stdout]   38:     0x5567fa711eb0 - tokio::runtime::scheduler::current_thread::CoreGuard::enter::h387c7036b2984b21
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/tokio-1.37.0/src/runtime/scheduler/current_thread/mod.rs:737:27
[INFO] [stdout]   39:     0x5567fa712123 - tokio::runtime::scheduler::current_thread::CoreGuard::block_on::h3b5a535448cb2a21
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/tokio-1.37.0/src/runtime/scheduler/current_thread/mod.rs:646:19
[INFO] [stdout]   40:     0x5567fa70edcd - tokio::runtime::scheduler::current_thread::CurrentThread::block_on::{{closure}}::h1f48cb6748fafaa3
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/tokio-1.37.0/src/runtime/scheduler/current_thread/mod.rs:175:28
[INFO] [stdout]   41:     0x5567fa6128f6 - tokio::runtime::context::runtime::enter_runtime::h846190051fdbaffa
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/tokio-1.37.0/src/runtime/context/runtime.rs:65:16
[INFO] [stdout]   42:     0x5567fa70ece1 - tokio::runtime::scheduler::current_thread::CurrentThread::block_on::hcf7c6cc1d46a8f78
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/tokio-1.37.0/src/runtime/scheduler/current_thread/mod.rs:167:9
[INFO] [stdout]   43:     0x5567fa5998dd - tokio::runtime::runtime::Runtime::block_on::h6348c955ebacc02c
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/tokio-1.37.0/src/runtime/runtime.rs:349:47
[INFO] [stdout]   44:     0x5567fa75afc0 - maelstrom_layer_fs::tests::layer_from_tar_with_whiteout_and_opaque_dir::h026e6d8a8ededbae
[INFO] [stdout]                                at /opt/rustwide/workdir/src/lib.rs:1510:9
[INFO] [stdout]   45:     0x5567fa75ae57 - maelstrom_layer_fs::tests::layer_from_tar_with_whiteout_and_opaque_dir::{{closure}}::h906b21cc8a4bcc99
[INFO] [stdout]                                at /opt/rustwide/workdir/src/lib.rs:1509:59
[INFO] [stdout]   46:     0x5567fa4fc746 - core::ops::function::FnOnce::call_once::hefa278770fe5079e
[INFO] [stdout]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   47:     0x5567fa7a193b - core::ops::function::FnOnce::call_once::h2e43a8f6f3d94b99
[INFO] [stdout]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   48:     0x5567fa7a193b - test::__rust_begin_short_backtrace::h214c9f2d2d3fee90
[INFO] [stdout]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/test/src/lib.rs:625:18
[INFO] [stdout]   49:     0x5567fa7a1041 - test::run_test_in_process::{{closure}}::h510b7ba7990692a5
[INFO] [stdout]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/test/src/lib.rs:648:60
[INFO] [stdout]   50:     0x5567fa7a1041 - <core::panic::unwind_safe::AssertUnwindSafe<F> as core::ops::function::FnOnce<()>>::call_once::h4157186197a93871
[INFO] [stdout]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/core/src/panic/unwind_safe.rs:272:9
[INFO] [stdout]   51:     0x5567fa7a1041 - std::panicking::try::do_call::h1bf2463bccd4b28c
[INFO] [stdout]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/std/src/panicking.rs:559:40
[INFO] [stdout]   52:     0x5567fa7a1041 - std::panicking::try::hd6d4808c9fab4fa5
[INFO] [stdout]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/std/src/panicking.rs:523:19
[INFO] [stdout]   53:     0x5567fa7a1041 - std::panic::catch_unwind::hd5641d97d123f9f2
[INFO] [stdout]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/std/src/panic.rs:149:14
[INFO] [stdout]   54:     0x5567fa7a1041 - test::run_test_in_process::hc273b71c8b878a4c
[INFO] [stdout]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/test/src/lib.rs:648:27
[INFO] [stdout]   55:     0x5567fa7a1041 - test::run_test::{{closure}}::h6838df834eb8467e
[INFO] [stdout]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/test/src/lib.rs:569:43
[INFO] [stdout]   56:     0x5567fa769a04 - test::run_test::{{closure}}::h608b98ecff5665fb
[INFO] [stdout]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/test/src/lib.rs:599:41
[INFO] [stdout]   57:     0x5567fa769a04 - std::sys_common::backtrace::__rust_begin_short_backtrace::hdc4182b97d1042e9
[INFO] [stdout]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/std/src/sys_common/backtrace.rs:155:18
[INFO] [stdout]   58:     0x5567fa76e432 - std::thread::Builder::spawn_unchecked_::{{closure}}::{{closure}}::h571773fd21d674c8
[INFO] [stdout]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/std/src/thread/mod.rs:542:17
[INFO] [stdout]   59:     0x5567fa76e432 - <core::panic::unwind_safe::AssertUnwindSafe<F> as core::ops::function::FnOnce<()>>::call_once::hdcd384cf2fa70ba3
[INFO] [stdout]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/core/src/panic/unwind_safe.rs:272:9
[INFO] [stdout]   60:     0x5567fa76e432 - std::panicking::try::do_call::h4f1a44bd81423be1
[INFO] [stdout]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/std/src/panicking.rs:559:40
[INFO] [stdout]   61:     0x5567fa76e432 - std::panicking::try::h5e02afcb81dcd361
[INFO] [stdout]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/std/src/panicking.rs:523:19
[INFO] [stdout]   62:     0x5567fa76e432 - std::panic::catch_unwind::h022f75775bfd8c45
[INFO] [stdout]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/std/src/panic.rs:149:14
[INFO] [stdout]   63:     0x5567fa76e432 - std::thread::Builder::spawn_unchecked_::{{closure}}::hf5a62e9e4e6df1f8
[INFO] [stdout]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/std/src/thread/mod.rs:541:30
[INFO] [stdout]   64:     0x5567fa76e432 - core::ops::function::FnOnce::call_once{{vtable.shim}}::h6d56360aeb9509a7
[INFO] [stdout]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   65:     0x5567fa995cab - <alloc::boxed::Box<F,A> as core::ops::function::FnOnce<Args>>::call_once::h7a343dc551c06baa
[INFO] [stdout]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/alloc/src/boxed.rs:2022:9
[INFO] [stdout]   66:     0x5567fa995cab - <alloc::boxed::Box<F,A> as core::ops::function::FnOnce<Args>>::call_once::h30b8111cbaa644f3
[INFO] [stdout]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/alloc/src/boxed.rs:2022:9
[INFO] [stdout]   67:     0x5567fa995cab - std::sys::pal::unix::thread::Thread::new::thread_start::h7404e134e61e7a11
[INFO] [stdout]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/std/src/sys/pal/unix/thread.rs:108:17
[INFO] [stdout]   68:     0x7f8ed1606ac3 - <unknown>
[INFO] [stdout]   69:     0x7f8ed1697a04 - __clone
[INFO] [stdout]   70:                0x0 - <unknown>
[INFO] [stdout] 
[INFO] [stdout] ---- tests::two_layer_replace_dir_with_file stdout ----
[INFO] [stdout] May 25 05:23:32.006 DEBG mounting FUSE file-system in namespace
[INFO] [stdout] thread 'tests::two_layer_replace_dir_with_file' panicked at src/lib.rs:1178:18:
[INFO] [stdout] called `Result::unwrap()` on an `Err` value: ENOSYS: Function not implemented
[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/index.crates.io-6f17d22bba15001f/anyhow-1.0.82/src/backtrace.rs:27:14
[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/1871252fc8bb672d40787e67404e6eaae7059369/library/core/src/result.rs:1964:27
[INFO] [stdout]    2: maelstrom_fuse::fuse_mount_namespace::{{closure}}::{{closure}}
[INFO] [stdout]              at /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/maelstrom-fuse-0.8.0/src/lib.rs:127:27
[INFO] [stdout]    3: <tokio::runtime::blocking::task::BlockingTask<T> as core::future::future::Future>::poll
[INFO] [stdout]              at /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/tokio-1.37.0/src/runtime/blocking/task.rs:42:21
[INFO] [stdout]    4: tokio::runtime::task::core::Core<T,S>::poll::{{closure}}
[INFO] [stdout]              at /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/tokio-1.37.0/src/runtime/task/core.rs:328:17
[INFO] [stdout]    5: tokio::loom::std::unsafe_cell::UnsafeCell<T>::with_mut
[INFO] [stdout]              at /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/tokio-1.37.0/src/loom/std/unsafe_cell.rs:16:9
[INFO] [stdout]    6: tokio::runtime::task::core::Core<T,S>::poll
[INFO] [stdout]              at /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/tokio-1.37.0/src/runtime/task/core.rs:317:13
[INFO] [stdout]    7: tokio::runtime::task::harness::poll_future::{{closure}}
[INFO] [stdout]              at /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/tokio-1.37.0/src/runtime/task/harness.rs:485:19
[INFO] [stdout]    8: <core::panic::unwind_safe::AssertUnwindSafe<F> as core::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]              at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/core/src/panic/unwind_safe.rs:272:9
[INFO] [stdout]    9: std::panicking::try::do_call
[INFO] [stdout]              at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/std/src/panicking.rs:559:40
[INFO] [stdout]   10: __rust_try
[INFO] [stdout]   11: std::panicking::try
[INFO] [stdout]              at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/std/src/panicking.rs:523:19
[INFO] [stdout]   12: std::panic::catch_unwind
[INFO] [stdout]              at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/std/src/panic.rs:149:14
[INFO] [stdout]   13: tokio::runtime::task::harness::poll_future
[INFO] [stdout]              at /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/tokio-1.37.0/src/runtime/task/harness.rs:473:18
[INFO] [stdout]   14: tokio::runtime::task::harness::Harness<T,S>::poll_inner
[INFO] [stdout]              at /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/tokio-1.37.0/src/runtime/task/harness.rs:208:27
[INFO] [stdout]   15: tokio::runtime::task::harness::Harness<T,S>::poll
[INFO] [stdout]              at /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/tokio-1.37.0/src/runtime/task/harness.rs:153:15
[INFO] [stdout]   16: tokio::runtime::task::raw::poll
[INFO] [stdout]              at /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/tokio-1.37.0/src/runtime/task/raw.rs:271:5
[INFO] [stdout]   17: tokio::runtime::task::raw::RawTask::poll
[INFO] [stdout]              at /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/tokio-1.37.0/src/runtime/task/raw.rs:201:18
[INFO] [stdout]   18: tokio::runtime::task::UnownedTask<S>::run
[INFO] [stdout]              at /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/tokio-1.37.0/src/runtime/task/mod.rs:464:9
[INFO] [stdout]   19: tokio::runtime::blocking::pool::Task::run
[INFO] [stdout]              at /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/tokio-1.37.0/src/runtime/blocking/pool.rs:159:9
[INFO] [stdout]   20: tokio::runtime::blocking::pool::Inner::run
[INFO] [stdout]              at /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/tokio-1.37.0/src/runtime/blocking/pool.rs:513:17
[INFO] [stdout]   21: tokio::runtime::blocking::pool::Spawner::spawn_thread::{{closure}}
[INFO] [stdout]              at /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/tokio-1.37.0/src/runtime/blocking/pool.rs:471:13
[INFO] [stdout]   22: std::sys_common::backtrace::__rust_begin_short_backtrace
[INFO] [stdout]              at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/std/src/sys_common/backtrace.rs:155:18
[INFO] [stdout]   23: std::thread::Builder::spawn_unchecked_::{{closure}}::{{closure}}
[INFO] [stdout]              at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/std/src/thread/mod.rs:542:17
[INFO] [stdout]   24: <core::panic::unwind_safe::AssertUnwindSafe<F> as core::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]              at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/core/src/panic/unwind_safe.rs:272:9
[INFO] [stdout]   25: std::panicking::try::do_call
[INFO] [stdout]              at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/std/src/panicking.rs:559:40
[INFO] [stdout]   26: __rust_try
[INFO] [stdout]   27: std::panicking::try
[INFO] [stdout]              at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/std/src/panicking.rs:523:19
[INFO] [stdout]   28: std::panic::catch_unwind
[INFO] [stdout]              at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/std/src/panic.rs:149:14
[INFO] [stdout]   29: std::thread::Builder::spawn_unchecked_::{{closure}}
[INFO] [stdout]              at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/std/src/thread/mod.rs:541:30
[INFO] [stdout]   30: core::ops::function::FnOnce::call_once{{vtable.shim}}
[INFO] [stdout]              at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   31: <alloc::boxed::Box<F,A> as core::ops::function::FnOnce<Args>>::call_once
[INFO] [stdout]              at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/alloc/src/boxed.rs:2022:9
[INFO] [stdout]   32: <alloc::boxed::Box<F,A> as core::ops::function::FnOnce<Args>>::call_once
[INFO] [stdout]              at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/alloc/src/boxed.rs:2022:9
[INFO] [stdout]   33: std::sys::pal::unix::thread::Thread::new::thread_start
[INFO] [stdout]              at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/std/src/sys/pal/unix/thread.rs:108:17
[INFO] [stdout]   34: <unknown>
[INFO] [stdout]   35: __clone
[INFO] [stdout] stack backtrace:
[INFO] [stdout]    0:     0x5567fa98e315 - std::backtrace_rs::backtrace::libunwind::trace::h59d96bdb08384354
[INFO] [stdout]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/std/src/../../backtrace/src/backtrace/libunwind.rs:105:5
[INFO] [stdout]    1:     0x5567fa98e315 - std::backtrace_rs::backtrace::trace_unsynchronized::h9cf5becacfc93fba
[INFO] [stdout]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/std/src/../../backtrace/src/backtrace/mod.rs:66:5
[INFO] [stdout]    2:     0x5567fa98e315 - std::sys_common::backtrace::_print_fmt::h10b76d10405dbd48
[INFO] [stdout]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/std/src/sys_common/backtrace.rs:68:5
[INFO] [stdout]    3:     0x5567fa98e315 - <std::sys_common::backtrace::_print::DisplayBacktrace as core::fmt::Display>::fmt::h6ed9e62a156d84e4
[INFO] [stdout]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/std/src/sys_common/backtrace.rs:44:22
[INFO] [stdout]    4:     0x5567fa9b767b - core::fmt::rt::Argument::fmt::h645c680983f03c9f
[INFO] [stdout]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/core/src/fmt/rt.rs:165:63
[INFO] [stdout]    5:     0x5567fa9b767b - core::fmt::write::h8bcd80919a02be29
[INFO] [stdout]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/core/src/fmt/mod.rs:1169:21
[INFO] [stdout]    6:     0x5567fa98b51f - std::io::Write::write_fmt::h8d0c47c662cad79c
[INFO] [stdout]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/std/src/io/mod.rs:1835:15
[INFO] [stdout]    7:     0x5567fa98e0ee - std::sys_common::backtrace::_print::h6306f131a28d62b0
[INFO] [stdout]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/std/src/sys_common/backtrace.rs:47:5
[INFO] [stdout]    8:     0x5567fa98e0ee - std::sys_common::backtrace::print::h7079288e0a26dfcc
[INFO] [stdout]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/std/src/sys_common/backtrace.rs:34:9
[INFO] [stdout]    9:     0x5567fa98fb19 - std::panicking::default_hook::{{closure}}::hb063ecec81a736ba
[INFO] [stdout]   10:     0x5567fa98f7de - std::panicking::default_hook::hd56ee406bf547b5c
[INFO] [stdout]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/std/src/panicking.rs:295:9
[INFO] [stdout]   11:     0x5567fa79cf5a - <alloc::boxed::Box<F,A> as core::ops::function::Fn<Args>>::call::he5eacdef44c8728f
[INFO] [stdout]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/alloc/src/boxed.rs:2036:9
[INFO] [stdout]   12:     0x5567fa79cf5a - test::test_main::{{closure}}::h0ec9aed229e79095
[INFO] [stdout]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/test/src/lib.rs:137:21
[INFO] [stdout]   13:     0x5567fa99011b - <alloc::boxed::Box<F,A> as core::ops::function::Fn<Args>>::call::hcbd0d80e1ad4e4f9
[INFO] [stdout]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/alloc/src/boxed.rs:2036:9
[INFO] [stdout]   14:     0x5567fa99011b - std::panicking::rust_panic_with_hook::h624aa3ca42ebb8f2
[INFO] [stdout]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/std/src/panicking.rs:799:13
[INFO] [stdout]   15:     0x5567fa98fe94 - std::panicking::begin_panic_handler::{{closure}}::hbc4e76194a5e287c
[INFO] [stdout]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/std/src/panicking.rs:664:13
[INFO] [stdout]   16:     0x5567fa98e7d9 - std::sys_common::backtrace::__rust_end_short_backtrace::h847fedc9d1ff7b6d
[INFO] [stdout]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/std/src/sys_common/backtrace.rs:171:18
[INFO] [stdout]   17:     0x5567fa98fbc7 - rust_begin_unwind
[INFO] [stdout]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/std/src/panicking.rs:652:5
[INFO] [stdout]   18:     0x5567fa4f72d3 - core::panicking::panic_fmt::hec11a924b87ce965
[INFO] [stdout]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/core/src/panicking.rs:72:14
[INFO] [stdout]   19:     0x5567fa4f7826 - core::result::unwrap_failed::h382691b96ca8c13a
[INFO] [stdout]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/core/src/result.rs:1654:5
[INFO] [stdout]   20:     0x5567fa74823a - core::result::Result<T,E>::unwrap::hf3b0b9adefa17504
[INFO] [stdout]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/core/src/result.rs:1077:23
[INFO] [stdout]   21:     0x5567fa74823a - maelstrom_layer_fs::tests::Fixture::mount::{{closure}}::h688ac20af9e777e3
[INFO] [stdout]                                at /opt/rustwide/workdir/src/lib.rs:1175:13
[INFO] [stdout]   22:     0x5567fa74fe53 - maelstrom_layer_fs::tests::two_layer_test::{{closure}}::h017a495aaa6bd521
[INFO] [stdout]                                at /opt/rustwide/workdir/src/lib.rs:1537:48
[INFO] [stdout]   23:     0x5567fa7602b5 - maelstrom_layer_fs::tests::two_layer_replace_dir_with_file::{{closure}}::h97f0eaf87be9ec55
[INFO] [stdout]                                at /opt/rustwide/workdir/src/lib.rs:1659:10
[INFO] [stdout]   24:     0x5567fa599dc2 - <core::pin::Pin<P> as core::future::future::Future>::poll::h58377329fe1be409
[INFO] [stdout]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/core/src/future/future.rs:123:9
[INFO] [stdout]   25:     0x5567fa599e5d - <core::pin::Pin<P> as core::future::future::Future>::poll::h9848842023914f90
[INFO] [stdout]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/core/src/future/future.rs:123:9
[INFO] [stdout]   26:     0x5567fa712bcf - tokio::runtime::scheduler::current_thread::CoreGuard::block_on::{{closure}}::{{closure}}::{{closure}}::hac502fe9d0c8ca72
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/tokio-1.37.0/src/runtime/scheduler/current_thread/mod.rs:659:57
[INFO] [stdout]   27:     0x5567fa712b15 - tokio::runtime::coop::with_budget::h5772473feedf75e6
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/tokio-1.37.0/src/runtime/coop.rs:107:5
[INFO] [stdout]   28:     0x5567fa712b15 - tokio::runtime::coop::budget::h1cedff380d0d76fe
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/tokio-1.37.0/src/runtime/coop.rs:73:5
[INFO] [stdout]   29:     0x5567fa712b15 - tokio::runtime::scheduler::current_thread::CoreGuard::block_on::{{closure}}::{{closure}}::h8c4e90f535c36b70
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/tokio-1.37.0/src/runtime/scheduler/current_thread/mod.rs:659:25
[INFO] [stdout]   30:     0x5567fa7118e0 - tokio::runtime::scheduler::current_thread::Context::enter::ha7498cf055706cab
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/tokio-1.37.0/src/runtime/scheduler/current_thread/mod.rs:404:19
[INFO] [stdout]   31:     0x5567fa71238b - tokio::runtime::scheduler::current_thread::CoreGuard::block_on::{{closure}}::h2b9b5f0577e897e9
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/tokio-1.37.0/src/runtime/scheduler/current_thread/mod.rs:658:36
[INFO] [stdout]   32:     0x5567fa712104 - tokio::runtime::scheduler::current_thread::CoreGuard::enter::{{closure}}::h56418ae36458e166
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/tokio-1.37.0/src/runtime/scheduler/current_thread/mod.rs:737:68
[INFO] [stdout]   33:     0x5567fa61277b - tokio::runtime::context::scoped::Scoped<T>::set::h7aa088ea4c80d610
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/tokio-1.37.0/src/runtime/context/scoped.rs:40:9
[INFO] [stdout]   34:     0x5567fa637809 - tokio::runtime::context::set_scheduler::{{closure}}::h94afc82b84f19872
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/tokio-1.37.0/src/runtime/context.rs:176:26
[INFO] [stdout]   35:     0x5567fa736ae0 - std::thread::local::LocalKey<T>::try_with::ha55e4718acbc58e5
[INFO] [stdout]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/std/src/thread/local.rs:286:12
[INFO] [stdout]   36:     0x5567fa7357da - std::thread::local::LocalKey<T>::with::h6754b1d50501e148
[INFO] [stdout]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/std/src/thread/local.rs:262:9
[INFO] [stdout]   37:     0x5567fa6377bd - tokio::runtime::context::set_scheduler::ha0fadfb0270ced03
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/tokio-1.37.0/src/runtime/context.rs:176:9
[INFO] [stdout]   38:     0x5567fa711eb0 - tokio::runtime::scheduler::current_thread::CoreGuard::enter::h387c7036b2984b21
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/tokio-1.37.0/src/runtime/scheduler/current_thread/mod.rs:737:27
[INFO] [stdout]   39:     0x5567fa712123 - tokio::runtime::scheduler::current_thread::CoreGuard::block_on::h3b5a535448cb2a21
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/tokio-1.37.0/src/runtime/scheduler/current_thread/mod.rs:646:19
[INFO] [stdout]   40:     0x5567fa70edcd - tokio::runtime::scheduler::current_thread::CurrentThread::block_on::{{closure}}::h1f48cb6748fafaa3
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/tokio-1.37.0/src/runtime/scheduler/current_thread/mod.rs:175:28
[INFO] [stdout]   41:     0x5567fa6128f6 - tokio::runtime::context::runtime::enter_runtime::h846190051fdbaffa
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/tokio-1.37.0/src/runtime/context/runtime.rs:65:16
[INFO] [stdout]   42:     0x5567fa70ece1 - tokio::runtime::scheduler::current_thread::CurrentThread::block_on::hcf7c6cc1d46a8f78
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/tokio-1.37.0/src/runtime/scheduler/current_thread/mod.rs:167:9
[INFO] [stdout]   43:     0x5567fa5998dd - tokio::runtime::runtime::Runtime::block_on::h6348c955ebacc02c
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/tokio-1.37.0/src/runtime/runtime.rs:349:47
[INFO] [stdout]   44:     0x5567fa75faf0 - maelstrom_layer_fs::tests::two_layer_replace_dir_with_file::h208e9705efb4a2fb
[INFO] [stdout]                                at /opt/rustwide/workdir/src/lib.rs:1651:9
[INFO] [stdout]   45:     0x5567fa75f987 - maelstrom_layer_fs::tests::two_layer_replace_dir_with_file::{{closure}}::hb2f1eb0213fca75e
[INFO] [stdout]                                at /opt/rustwide/workdir/src/lib.rs:1650:47
[INFO] [stdout]   46:     0x5567fa4f8986 - core::ops::function::FnOnce::call_once::h1bbde7b87ef07c5b
[INFO] [stdout]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   47:     0x5567fa7a193b - core::ops::function::FnOnce::call_once::h2e43a8f6f3d94b99
[INFO] [stdout]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   48:     0x5567fa7a193b - test::__rust_begin_short_backtrace::h214c9f2d2d3fee90
[INFO] [stdout]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/test/src/lib.rs:625:18
[INFO] [stdout]   49:     0x5567fa7a1041 - test::run_test_in_process::{{closure}}::h510b7ba7990692a5
[INFO] [stdout]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/test/src/lib.rs:648:60
[INFO] [stdout]   50:     0x5567fa7a1041 - <core::panic::unwind_safe::AssertUnwindSafe<F> as core::ops::function::FnOnce<()>>::call_once::h4157186197a93871
[INFO] [stdout]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/core/src/panic/unwind_safe.rs:272:9
[INFO] [stdout]   51:     0x5567fa7a1041 - std::panicking::try::do_call::h1bf2463bccd4b28c
[INFO] [stdout]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/std/src/panicking.rs:559:40
[INFO] [stdout]   52:     0x5567fa7a1041 - std::panicking::try::hd6d4808c9fab4fa5
[INFO] [stdout]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/std/src/panicking.rs:523:19
[INFO] [stdout]   53:     0x5567fa7a1041 - std::panic::catch_unwind::hd5641d97d123f9f2
[INFO] [stdout]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/std/src/panic.rs:149:14
[INFO] [stdout]   54:     0x5567fa7a1041 - test::run_test_in_process::hc273b71c8b878a4c
[INFO] [stdout]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/test/src/lib.rs:648:27
[INFO] [stdout]   55:     0x5567fa7a1041 - test::run_test::{{closure}}::h6838df834eb8467e
[INFO] [stdout]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/test/src/lib.rs:569:43
[INFO] [stdout]   56:     0x5567fa769a04 - test::run_test::{{closure}}::h608b98ecff5665fb
[INFO] [stdout]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/test/src/lib.rs:599:41
[INFO] [stdout]   57:     0x5567fa769a04 - std::sys_common::backtrace::__rust_begin_short_backtrace::hdc4182b97d1042e9
[INFO] [stdout]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/std/src/sys_common/backtrace.rs:155:18
[INFO] [stdout]   58:     0x5567fa76e432 - std::thread::Builder::spawn_unchecked_::{{closure}}::{{closure}}::h571773fd21d674c8
[INFO] [stdout]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/std/src/thread/mod.rs:542:17
[INFO] [stdout]   59:     0x5567fa76e432 - <core::panic::unwind_safe::AssertUnwindSafe<F> as core::ops::function::FnOnce<()>>::call_once::hdcd384cf2fa70ba3
[INFO] [stdout]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/core/src/panic/unwind_safe.rs:272:9
[INFO] [stdout]   60:     0x5567fa76e432 - std::panicking::try::do_call::h4f1a44bd81423be1
[INFO] [stdout]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/std/src/panicking.rs:559:40
[INFO] [stdout]   61:     0x5567fa76e432 - std::panicking::try::h5e02afcb81dcd361
[INFO] [stdout]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/std/src/panicking.rs:523:19
[INFO] [stdout]   62:     0x5567fa76e432 - std::panic::catch_unwind::h022f75775bfd8c45
[INFO] [stdout]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/std/src/panic.rs:149:14
[INFO] [stdout]   63:     0x5567fa76e432 - std::thread::Builder::spawn_unchecked_::{{closure}}::hf5a62e9e4e6df1f8
[INFO] [stdout]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/std/src/thread/mod.rs:541:30
[INFO] [stdout]   64:     0x5567fa76e432 - core::ops::function::FnOnce::call_once{{vtable.shim}}::h6d56360aeb9509a7
[INFO] [stdout]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   65:     0x5567fa995cab - <alloc::boxed::Box<F,A> as core::ops::function::FnOnce<Args>>::call_once::h7a343dc551c06baa
[INFO] [stdout]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/alloc/src/boxed.rs:2022:9
[INFO] [stdout]   66:     0x5567fa995cab - <alloc::boxed::Box<F,A> as core::ops::function::FnOnce<Args>>::call_once::h30b8111cbaa644f3
[INFO] [stdout]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/alloc/src/boxed.rs:2022:9
[INFO] [stdout]   67:     0x5567fa995cab - std::sys::pal::unix::thread::Thread::new::thread_start::h7404e134e61e7a11
[INFO] [stdout]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/std/src/sys/pal/unix/thread.rs:108:17
[INFO] [stdout]   68:     0x7f8ed1606ac3 - <unknown>
[INFO] [stdout]   69:     0x7f8ed1697a04 - __clone
[INFO] [stdout]   70:                0x0 - <unknown>
[INFO] [stdout] 
[INFO] [stdout] ---- tests::two_layer_replace_file_with_dir stdout ----
[INFO] [stdout] May 25 05:23:32.008 DEBG mounting FUSE file-system in namespace
[INFO] [stdout] thread 'tests::two_layer_replace_file_with_dir' panicked at src/lib.rs:1178:18:
[INFO] [stdout] called `Result::unwrap()` on an `Err` value: ENOSYS: Function not implemented
[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/index.crates.io-6f17d22bba15001f/anyhow-1.0.82/src/backtrace.rs:27:14
[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/1871252fc8bb672d40787e67404e6eaae7059369/library/core/src/result.rs:1964:27
[INFO] [stdout]    2: maelstrom_fuse::fuse_mount_namespace::{{closure}}::{{closure}}
[INFO] [stdout]              at /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/maelstrom-fuse-0.8.0/src/lib.rs:127:27
[INFO] [stdout]    3: <tokio::runtime::blocking::task::BlockingTask<T> as core::future::future::Future>::poll
[INFO] [stdout]              at /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/tokio-1.37.0/src/runtime/blocking/task.rs:42:21
[INFO] [stdout]    4: tokio::runtime::task::core::Core<T,S>::poll::{{closure}}
[INFO] [stdout]              at /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/tokio-1.37.0/src/runtime/task/core.rs:328:17
[INFO] [stdout]    5: tokio::loom::std::unsafe_cell::UnsafeCell<T>::with_mut
[INFO] [stdout]              at /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/tokio-1.37.0/src/loom/std/unsafe_cell.rs:16:9
[INFO] [stdout]    6: tokio::runtime::task::core::Core<T,S>::poll
[INFO] [stdout]              at /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/tokio-1.37.0/src/runtime/task/core.rs:317:13
[INFO] [stdout]    7: tokio::runtime::task::harness::poll_future::{{closure}}
[INFO] [stdout]              at /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/tokio-1.37.0/src/runtime/task/harness.rs:485:19
[INFO] [stdout]    8: <core::panic::unwind_safe::AssertUnwindSafe<F> as core::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]              at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/core/src/panic/unwind_safe.rs:272:9
[INFO] [stdout]    9: std::panicking::try::do_call
[INFO] [stdout]              at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/std/src/panicking.rs:559:40
[INFO] [stdout]   10: __rust_try
[INFO] [stdout]   11: std::panicking::try
[INFO] [stdout]              at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/std/src/panicking.rs:523:19
[INFO] [stdout]   12: std::panic::catch_unwind
[INFO] [stdout]              at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/std/src/panic.rs:149:14
[INFO] [stdout]   13: tokio::runtime::task::harness::poll_future
[INFO] [stdout]              at /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/tokio-1.37.0/src/runtime/task/harness.rs:473:18
[INFO] [stdout]   14: tokio::runtime::task::harness::Harness<T,S>::poll_inner
[INFO] [stdout]              at /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/tokio-1.37.0/src/runtime/task/harness.rs:208:27
[INFO] [stdout]   15: tokio::runtime::task::harness::Harness<T,S>::poll
[INFO] [stdout]              at /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/tokio-1.37.0/src/runtime/task/harness.rs:153:15
[INFO] [stdout]   16: tokio::runtime::task::raw::poll
[INFO] [stdout]              at /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/tokio-1.37.0/src/runtime/task/raw.rs:271:5
[INFO] [stdout]   17: tokio::runtime::task::raw::RawTask::poll
[INFO] [stdout]              at /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/tokio-1.37.0/src/runtime/task/raw.rs:201:18
[INFO] [stdout]   18: tokio::runtime::task::UnownedTask<S>::run
[INFO] [stdout]              at /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/tokio-1.37.0/src/runtime/task/mod.rs:464:9
[INFO] [stdout]   19: tokio::runtime::blocking::pool::Task::run
[INFO] [stdout]              at /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/tokio-1.37.0/src/runtime/blocking/pool.rs:159:9
[INFO] [stdout]   20: tokio::runtime::blocking::pool::Inner::run
[INFO] [stdout]              at /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/tokio-1.37.0/src/runtime/blocking/pool.rs:513:17
[INFO] [stdout]   21: tokio::runtime::blocking::pool::Spawner::spawn_thread::{{closure}}
[INFO] [stdout]              at /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/tokio-1.37.0/src/runtime/blocking/pool.rs:471:13
[INFO] [stdout]   22: std::sys_common::backtrace::__rust_begin_short_backtrace
[INFO] [stdout]              at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/std/src/sys_common/backtrace.rs:155:18
[INFO] [stdout]   23: std::thread::Builder::spawn_unchecked_::{{closure}}::{{closure}}
[INFO] [stdout]              at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/std/src/thread/mod.rs:542:17
[INFO] [stdout]   24: <core::panic::unwind_safe::AssertUnwindSafe<F> as core::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]              at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/core/src/panic/unwind_safe.rs:272:9
[INFO] [stdout]   25: std::panicking::try::do_call
[INFO] [stdout]              at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/std/src/panicking.rs:559:40
[INFO] [stdout]   26: __rust_try
[INFO] [stdout]   27: std::panicking::try
[INFO] [stdout]              at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/std/src/panicking.rs:523:19
[INFO] [stdout]   28: std::panic::catch_unwind
[INFO] [stdout]              at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/std/src/panic.rs:149:14
[INFO] [stdout]   29: std::thread::Builder::spawn_unchecked_::{{closure}}
[INFO] [stdout]              at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/std/src/thread/mod.rs:541:30
[INFO] [stdout]   30: core::ops::function::FnOnce::call_once{{vtable.shim}}
[INFO] [stdout]              at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   31: <alloc::boxed::Box<F,A> as core::ops::function::FnOnce<Args>>::call_once
[INFO] [stdout]              at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/alloc/src/boxed.rs:2022:9
[INFO] [stdout]   32: <alloc::boxed::Box<F,A> as core::ops::function::FnOnce<Args>>::call_once
[INFO] [stdout]              at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/alloc/src/boxed.rs:2022:9
[INFO] [stdout]   33: std::sys::pal::unix::thread::Thread::new::thread_start
[INFO] [stdout]              at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/std/src/sys/pal/unix/thread.rs:108:17
[INFO] [stdout]   34: <unknown>
[INFO] [stdout]   35: __clone
[INFO] [stdout] stack backtrace:
[INFO] [stdout]    0:     0x5567fa98e315 - std::backtrace_rs::backtrace::libunwind::trace::h59d96bdb08384354
[INFO] [stdout]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/std/src/../../backtrace/src/backtrace/libunwind.rs:105:5
[INFO] [stdout]    1:     0x5567fa98e315 - std::backtrace_rs::backtrace::trace_unsynchronized::h9cf5becacfc93fba
[INFO] [stdout]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/std/src/../../backtrace/src/backtrace/mod.rs:66:5
[INFO] [stdout]    2:     0x5567fa98e315 - std::sys_common::backtrace::_print_fmt::h10b76d10405dbd48
[INFO] [stdout]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/std/src/sys_common/backtrace.rs:68:5
[INFO] [stdout]    3:     0x5567fa98e315 - <std::sys_common::backtrace::_print::DisplayBacktrace as core::fmt::Display>::fmt::h6ed9e62a156d84e4
[INFO] [stdout]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/std/src/sys_common/backtrace.rs:44:22
[INFO] [stdout]    4:     0x5567fa9b767b - core::fmt::rt::Argument::fmt::h645c680983f03c9f
[INFO] [stdout]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/core/src/fmt/rt.rs:165:63
[INFO] [stdout]    5:     0x5567fa9b767b - core::fmt::write::h8bcd80919a02be29
[INFO] [stdout]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/core/src/fmt/mod.rs:1169:21
[INFO] [stdout]    6:     0x5567fa98b51f - std::io::Write::write_fmt::h8d0c47c662cad79c
[INFO] [stdout]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/std/src/io/mod.rs:1835:15
[INFO] [stdout]    7:     0x5567fa98e0ee - std::sys_common::backtrace::_print::h6306f131a28d62b0
[INFO] [stdout]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/std/src/sys_common/backtrace.rs:47:5
[INFO] [stdout]    8:     0x5567fa98e0ee - std::sys_common::backtrace::print::h7079288e0a26dfcc
[INFO] [stdout]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/std/src/sys_common/backtrace.rs:34:9
[INFO] [stdout]    9:     0x5567fa98fb19 - std::panicking::default_hook::{{closure}}::hb063ecec81a736ba
[INFO] [stdout]   10:     0x5567fa98f7de - std::panicking::default_hook::hd56ee406bf547b5c
[INFO] [stdout]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/std/src/panicking.rs:295:9
[INFO] [stdout]   11:     0x5567fa79cf5a - <alloc::boxed::Box<F,A> as core::ops::function::Fn<Args>>::call::he5eacdef44c8728f
[INFO] [stdout]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/alloc/src/boxed.rs:2036:9
[INFO] [stdout]   12:     0x5567fa79cf5a - test::test_main::{{closure}}::h0ec9aed229e79095
[INFO] [stdout]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/test/src/lib.rs:137:21
[INFO] [stdout]   13:     0x5567fa99011b - <alloc::boxed::Box<F,A> as core::ops::function::Fn<Args>>::call::hcbd0d80e1ad4e4f9
[INFO] [stdout]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/alloc/src/boxed.rs:2036:9
[INFO] [stdout]   14:     0x5567fa99011b - std::panicking::rust_panic_with_hook::h624aa3ca42ebb8f2
[INFO] [stdout]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/std/src/panicking.rs:799:13
[INFO] [stdout]   15:     0x5567fa98fe94 - std::panicking::begin_panic_handler::{{closure}}::hbc4e76194a5e287c
[INFO] [stdout]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/std/src/panicking.rs:664:13
[INFO] [stdout]   16:     0x5567fa98e7d9 - std::sys_common::backtrace::__rust_end_short_backtrace::h847fedc9d1ff7b6d
[INFO] [stdout]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/std/src/sys_common/backtrace.rs:171:18
[INFO] [stdout]   17:     0x5567fa98fbc7 - rust_begin_unwind
[INFO] [stdout]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/std/src/panicking.rs:652:5
[INFO] [stdout]   18:     0x5567fa4f72d3 - core::panicking::panic_fmt::hec11a924b87ce965
[INFO] [stdout]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/core/src/panicking.rs:72:14
[INFO] [stdout]   19:     0x5567fa4f7826 - core::result::unwrap_failed::h382691b96ca8c13a
[INFO] [stdout]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/core/src/result.rs:1654:5
[INFO] [stdout]   20:     0x5567fa74823a - core::result::Result<T,E>::unwrap::hf3b0b9adefa17504
[INFO] [stdout]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/core/src/result.rs:1077:23
[INFO] [stdout]   21:     0x5567fa74823a - maelstrom_layer_fs::tests::Fixture::mount::{{closure}}::h688ac20af9e777e3
[INFO] [stdout]                                at /opt/rustwide/workdir/src/lib.rs:1175:13
[INFO] [stdout]   22:     0x5567fa74fe53 - maelstrom_layer_fs::tests::two_layer_test::{{closure}}::h017a495aaa6bd521
[INFO] [stdout]                                at /opt/rustwide/workdir/src/lib.rs:1537:48
[INFO] [stdout]   23:     0x5567fa760e2a - maelstrom_layer_fs::tests::two_layer_replace_file_with_dir::{{closure}}::ha1eacc72ebd2bf3a
[INFO] [stdout]                                at /opt/rustwide/workdir/src/lib.rs:1673:10
[INFO] [stdout]   24:     0x5567fa599dc2 - <core::pin::Pin<P> as core::future::future::Future>::poll::h58377329fe1be409
[INFO] [stdout]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/core/src/future/future.rs:123:9
[INFO] [stdout]   25:     0x5567fa599e5d - <core::pin::Pin<P> as core::future::future::Future>::poll::h9848842023914f90
[INFO] [stdout]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/core/src/future/future.rs:123:9
[INFO] [stdout]   26:     0x5567fa712bcf - tokio::runtime::scheduler::current_thread::CoreGuard::block_on::{{closure}}::{{closure}}::{{closure}}::hac502fe9d0c8ca72
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/tokio-1.37.0/src/runtime/scheduler/current_thread/mod.rs:659:57
[INFO] [stdout]   27:     0x5567fa712b15 - tokio::runtime::coop::with_budget::h5772473feedf75e6
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/tokio-1.37.0/src/runtime/coop.rs:107:5
[INFO] [stdout]   28:     0x5567fa712b15 - tokio::runtime::coop::budget::h1cedff380d0d76fe
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/tokio-1.37.0/src/runtime/coop.rs:73:5
[INFO] [stdout]   29:     0x5567fa712b15 - tokio::runtime::scheduler::current_thread::CoreGuard::block_on::{{closure}}::{{closure}}::h8c4e90f535c36b70
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/tokio-1.37.0/src/runtime/scheduler/current_thread/mod.rs:659:25
[INFO] [stdout]   30:     0x5567fa7118e0 - tokio::runtime::scheduler::current_thread::Context::enter::ha7498cf055706cab
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/tokio-1.37.0/src/runtime/scheduler/current_thread/mod.rs:404:19
[INFO] [stdout]   31:     0x5567fa71238b - tokio::runtime::scheduler::current_thread::CoreGuard::block_on::{{closure}}::h2b9b5f0577e897e9
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/tokio-1.37.0/src/runtime/scheduler/current_thread/mod.rs:658:36
[INFO] [stdout]   32:     0x5567fa712104 - tokio::runtime::scheduler::current_thread::CoreGuard::enter::{{closure}}::h56418ae36458e166
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/tokio-1.37.0/src/runtime/scheduler/current_thread/mod.rs:737:68
[INFO] [stdout]   33:     0x5567fa61277b - tokio::runtime::context::scoped::Scoped<T>::set::h7aa088ea4c80d610
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/tokio-1.37.0/src/runtime/context/scoped.rs:40:9
[INFO] [stdout]   34:     0x5567fa637809 - tokio::runtime::context::set_scheduler::{{closure}}::h94afc82b84f19872
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/tokio-1.37.0/src/runtime/context.rs:176:26
[INFO] [stdout]   35:     0x5567fa736ae0 - std::thread::local::LocalKey<T>::try_with::ha55e4718acbc58e5
[INFO] [stdout]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/std/src/thread/local.rs:286:12
[INFO] [stdout]   36:     0x5567fa7357da - std::thread::local::LocalKey<T>::with::h6754b1d50501e148
[INFO] [stdout]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/std/src/thread/local.rs:262:9
[INFO] [stdout]   37:     0x5567fa6377bd - tokio::runtime::context::set_scheduler::ha0fadfb0270ced03
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/tokio-1.37.0/src/runtime/context.rs:176:9
[INFO] [stdout]   38:     0x5567fa711eb0 - tokio::runtime::scheduler::current_thread::CoreGuard::enter::h387c7036b2984b21
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/tokio-1.37.0/src/runtime/scheduler/current_thread/mod.rs:737:27
[INFO] [stdout]   39:     0x5567fa712123 - tokio::runtime::scheduler::current_thread::CoreGuard::block_on::h3b5a535448cb2a21
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/tokio-1.37.0/src/runtime/scheduler/current_thread/mod.rs:646:19
[INFO] [stdout]   40:     0x5567fa70edcd - tokio::runtime::scheduler::current_thread::CurrentThread::block_on::{{closure}}::h1f48cb6748fafaa3
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/tokio-1.37.0/src/runtime/scheduler/current_thread/mod.rs:175:28
[INFO] [stdout]   41:     0x5567fa6128f6 - tokio::runtime::context::runtime::enter_runtime::h846190051fdbaffa
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/tokio-1.37.0/src/runtime/context/runtime.rs:65:16
[INFO] [stdout]   42:     0x5567fa70ece1 - tokio::runtime::scheduler::current_thread::CurrentThread::block_on::hcf7c6cc1d46a8f78
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/tokio-1.37.0/src/runtime/scheduler/current_thread/mod.rs:167:9
[INFO] [stdout]   43:     0x5567fa5998dd - tokio::runtime::runtime::Runtime::block_on::h6348c955ebacc02c
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/tokio-1.37.0/src/runtime/runtime.rs:349:47
[INFO] [stdout]   44:     0x5567fa7604b0 - maelstrom_layer_fs::tests::two_layer_replace_file_with_dir::h679152a7c45b087b
[INFO] [stdout]                                at /opt/rustwide/workdir/src/lib.rs:1664:9
[INFO] [stdout]   45:     0x5567fa760347 - maelstrom_layer_fs::tests::two_layer_replace_file_with_dir::{{closure}}::h0bd09ecffb41553b
[INFO] [stdout]                                at /opt/rustwide/workdir/src/lib.rs:1663:47
[INFO] [stdout]   46:     0x5567fa4f8716 - core::ops::function::FnOnce::call_once::h0ef989071b2872c2
[INFO] [stdout]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   47:     0x5567fa7a193b - core::ops::function::FnOnce::call_once::h2e43a8f6f3d94b99
[INFO] [stdout]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   48:     0x5567fa7a193b - test::__rust_begin_short_backtrace::h214c9f2d2d3fee90
[INFO] [stdout]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/test/src/lib.rs:625:18
[INFO] [stdout]   49:     0x5567fa7a1041 - test::run_test_in_process::{{closure}}::h510b7ba7990692a5
[INFO] [stdout]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/test/src/lib.rs:648:60
[INFO] [stdout]   50:     0x5567fa7a1041 - <core::panic::unwind_safe::AssertUnwindSafe<F> as core::ops::function::FnOnce<()>>::call_once::h4157186197a93871
[INFO] [stdout]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/core/src/panic/unwind_safe.rs:272:9
[INFO] [stdout]   51:     0x5567fa7a1041 - std::panicking::try::do_call::h1bf2463bccd4b28c
[INFO] [stdout]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/std/src/panicking.rs:559:40
[INFO] [stdout]   52:     0x5567fa7a1041 - std::panicking::try::hd6d4808c9fab4fa5
[INFO] [stdout]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/std/src/panicking.rs:523:19
[INFO] [stdout]   53:     0x5567fa7a1041 - std::panic::catch_unwind::hd5641d97d123f9f2
[INFO] [stdout]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/std/src/panic.rs:149:14
[INFO] [stdout]   54:     0x5567fa7a1041 - test::run_test_in_process::hc273b71c8b878a4c
[INFO] [stdout]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/test/src/lib.rs:648:27
[INFO] [stdout]   55:     0x5567fa7a1041 - test::run_test::{{closure}}::h6838df834eb8467e
[INFO] [stdout]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/test/src/lib.rs:569:43
[INFO] [stdout]   56:     0x5567fa769a04 - test::run_test::{{closure}}::h608b98ecff5665fb
[INFO] [stdout]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/test/src/lib.rs:599:41
[INFO] [stdout]   57:     0x5567fa769a04 - std::sys_common::backtrace::__rust_begin_short_backtrace::hdc4182b97d1042e9
[INFO] [stdout]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/std/src/sys_common/backtrace.rs:155:18
[INFO] [stdout]   58:     0x5567fa76e432 - std::thread::Builder::spawn_unchecked_::{{closure}}::{{closure}}::h571773fd21d674c8
[INFO] [stdout]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/std/src/thread/mod.rs:542:17
[INFO] [stdout]   59:     0x5567fa76e432 - <core::panic::unwind_safe::AssertUnwindSafe<F> as core::ops::function::FnOnce<()>>::call_once::hdcd384cf2fa70ba3
[INFO] [stdout]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/core/src/panic/unwind_safe.rs:272:9
[INFO] [stdout]   60:     0x5567fa76e432 - std::panicking::try::do_call::h4f1a44bd81423be1
[INFO] [stdout]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/std/src/panicking.rs:559:40
[INFO] [stdout]   61:     0x5567fa76e432 - std::panicking::try::h5e02afcb81dcd361
[INFO] [stdout]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/std/src/panicking.rs:523:19
[INFO] [stdout]   62:     0x5567fa76e432 - std::panic::catch_unwind::h022f75775bfd8c45
[INFO] [stdout]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/std/src/panic.rs:149:14
[INFO] [stdout]   63:     0x5567fa76e432 - std::thread::Builder::spawn_unchecked_::{{closure}}::hf5a62e9e4e6df1f8
[INFO] [stdout]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/std/src/thread/mod.rs:541:30
[INFO] [stdout]   64:     0x5567fa76e432 - core::ops::function::FnOnce::call_once{{vtable.shim}}::h6d56360aeb9509a7
[INFO] [stdout]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   65:     0x5567fa995cab - <alloc::boxed::Box<F,A> as core::ops::function::FnOnce<Args>>::call_once::h7a343dc551c06baa
[INFO] [stdout]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/alloc/src/boxed.rs:2022:9
[INFO] [stdout]   66:     0x5567fa995cab - <alloc::boxed::Box<F,A> as core::ops::function::FnOnce<Args>>::call_once::h30b8111cbaa644f3
[INFO] [stdout]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/alloc/src/boxed.rs:2022:9
[INFO] [stdout]   67:     0x5567fa995cab - std::sys::pal::unix::thread::Thread::new::thread_start::h7404e134e61e7a11
[INFO] [stdout]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/std/src/sys/pal/unix/thread.rs:108:17
[INFO] [stdout]   68:     0x7f8ed1606ac3 - <unknown>
[INFO] [stdout]   69:     0x7f8ed1697a04 - __clone
[INFO] [stdout]   70:                0x0 - <unknown>
[INFO] [stdout] 
[INFO] [stdout] ---- tests::two_layer_complicated stdout ----
[INFO] [stdout] May 25 05:23:32.008 DEBG mounting FUSE file-system in namespace
[INFO] [stdout] thread 'tests::two_layer_complicated' panicked at src/lib.rs:1178:18:
[INFO] [stdout] called `Result::unwrap()` on an `Err` value: ENOSYS: Function not implemented
[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/index.crates.io-6f17d22bba15001f/anyhow-1.0.82/src/backtrace.rs:27:14
[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/1871252fc8bb672d40787e67404e6eaae7059369/library/core/src/result.rs:1964:27
[INFO] [stdout]    2: maelstrom_fuse::fuse_mount_namespace::{{closure}}::{{closure}}
[INFO] [stdout]              at /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/maelstrom-fuse-0.8.0/src/lib.rs:127:27
[INFO] [stdout]    3: <tokio::runtime::blocking::task::BlockingTask<T> as core::future::future::Future>::poll
[INFO] [stdout]              at /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/tokio-1.37.0/src/runtime/blocking/task.rs:42:21
[INFO] [stdout]    4: tokio::runtime::task::core::Core<T,S>::poll::{{closure}}
[INFO] [stdout]              at /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/tokio-1.37.0/src/runtime/task/core.rs:328:17
[INFO] [stdout]    5: tokio::loom::std::unsafe_cell::UnsafeCell<T>::with_mut
[INFO] [stdout]              at /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/tokio-1.37.0/src/loom/std/unsafe_cell.rs:16:9
[INFO] [stdout]    6: tokio::runtime::task::core::Core<T,S>::poll
[INFO] [stdout]              at /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/tokio-1.37.0/src/runtime/task/core.rs:317:13
[INFO] [stdout]    7: tokio::runtime::task::harness::poll_future::{{closure}}
[INFO] [stdout]              at /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/tokio-1.37.0/src/runtime/task/harness.rs:485:19
[INFO] [stdout]    8: <core::panic::unwind_safe::AssertUnwindSafe<F> as core::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]              at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/core/src/panic/unwind_safe.rs:272:9
[INFO] [stdout]    9: std::panicking::try::do_call
[INFO] [stdout]              at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/std/src/panicking.rs:559:40
[INFO] [stdout]   10: __rust_try
[INFO] [stdout]   11: std::panicking::try
[INFO] [stdout]              at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/std/src/panicking.rs:523:19
[INFO] [stdout]   12: std::panic::catch_unwind
[INFO] [stdout]              at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/std/src/panic.rs:149:14
[INFO] [stdout]   13: tokio::runtime::task::harness::poll_future
[INFO] [stdout]              at /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/tokio-1.37.0/src/runtime/task/harness.rs:473:18
[INFO] [stdout]   14: tokio::runtime::task::harness::Harness<T,S>::poll_inner
[INFO] [stdout]              at /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/tokio-1.37.0/src/runtime/task/harness.rs:208:27
[INFO] [stdout]   15: tokio::runtime::task::harness::Harness<T,S>::poll
[INFO] [stdout]              at /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/tokio-1.37.0/src/runtime/task/harness.rs:153:15
[INFO] [stdout]   16: tokio::runtime::task::raw::poll
[INFO] [stdout]              at /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/tokio-1.37.0/src/runtime/task/raw.rs:271:5
[INFO] [stdout]   17: tokio::runtime::task::raw::RawTask::poll
[INFO] [stdout]              at /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/tokio-1.37.0/src/runtime/task/raw.rs:201:18
[INFO] [stdout]   18: tokio::runtime::task::UnownedTask<S>::run
[INFO] [stdout]              at /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/tokio-1.37.0/src/runtime/task/mod.rs:464:9
[INFO] [stdout]   19: tokio::runtime::blocking::pool::Task::run
[INFO] [stdout]              at /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/tokio-1.37.0/src/runtime/blocking/pool.rs:159:9
[INFO] [stdout]   20: tokio::runtime::blocking::pool::Inner::run
[INFO] [stdout]              at /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/tokio-1.37.0/src/runtime/blocking/pool.rs:513:17
[INFO] [stdout]   21: tokio::runtime::blocking::pool::Spawner::spawn_thread::{{closure}}
[INFO] [stdout]              at /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/tokio-1.37.0/src/runtime/blocking/pool.rs:471:13
[INFO] [stdout]   22: std::sys_common::backtrace::__rust_begin_short_backtrace
[INFO] [stdout]              at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/std/src/sys_common/backtrace.rs:155:18
[INFO] [stdout]   23: std::thread::Builder::spawn_unchecked_::{{closure}}::{{closure}}
[INFO] [stdout]              at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/std/src/thread/mod.rs:542:17
[INFO] [stdout]   24: <core::panic::unwind_safe::AssertUnwindSafe<F> as core::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]              at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/core/src/panic/unwind_safe.rs:272:9
[INFO] [stdout]   25: std::panicking::try::do_call
[INFO] [stdout]              at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/std/src/panicking.rs:559:40
[INFO] [stdout]   26: __rust_try
[INFO] [stdout]   27: std::panicking::try
[INFO] [stdout]              at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/std/src/panicking.rs:523:19
[INFO] [stdout]   28: std::panic::catch_unwind
[INFO] [stdout]              at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/std/src/panic.rs:149:14
[INFO] [stdout]   29: std::thread::Builder::spawn_unchecked_::{{closure}}
[INFO] [stdout]              at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/std/src/thread/mod.rs:541:30
[INFO] [stdout]   30: core::ops::function::FnOnce::call_once{{vtable.shim}}
[INFO] [stdout]              at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   31: <alloc::boxed::Box<F,A> as core::ops::function::FnOnce<Args>>::call_once
[INFO] [stdout]              at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/alloc/src/boxed.rs:2022:9
[INFO] [stdout]   32: <alloc::boxed::Box<F,A> as core::ops::function::FnOnce<Args>>::call_once
[INFO] [stdout]              at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/alloc/src/boxed.rs:2022:9
[INFO] [stdout]   33: std::sys::pal::unix::thread::Thread::new::thread_start
[INFO] [stdout]              at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/std/src/sys/pal/unix/thread.rs:108:17
[INFO] [stdout]   34: <unknown>
[INFO] [stdout]   35: __clone
[INFO] [stdout] stack backtrace:
[INFO] [stdout]    0:     0x5567fa98e315 - std::backtrace_rs::backtrace::libunwind::trace::h59d96bdb08384354
[INFO] [stdout]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/std/src/../../backtrace/src/backtrace/libunwind.rs:105:5
[INFO] [stdout]    1:     0x5567fa98e315 - std::backtrace_rs::backtrace::trace_unsynchronized::h9cf5becacfc93fba
[INFO] [stdout]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/std/src/../../backtrace/src/backtrace/mod.rs:66:5
[INFO] [stdout]    2:     0x5567fa98e315 - std::sys_common::backtrace::_print_fmt::h10b76d10405dbd48
[INFO] [stdout]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/std/src/sys_common/backtrace.rs:68:5
[INFO] [stdout]    3:     0x5567fa98e315 - <std::sys_common::backtrace::_print::DisplayBacktrace as core::fmt::Display>::fmt::h6ed9e62a156d84e4
[INFO] [stdout]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/std/src/sys_common/backtrace.rs:44:22
[INFO] [stdout]    4:     0x5567fa9b767b - core::fmt::rt::Argument::fmt::h645c680983f03c9f
[INFO] [stdout]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/core/src/fmt/rt.rs:165:63
[INFO] [stdout]    5:     0x5567fa9b767b - core::fmt::write::h8bcd80919a02be29
[INFO] [stdout]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/core/src/fmt/mod.rs:1169:21
[INFO] [stdout]    6:     0x5567fa98b51f - std::io::Write::write_fmt::h8d0c47c662cad79c
[INFO] [stdout]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/std/src/io/mod.rs:1835:15
[INFO] [stdout]    7:     0x5567fa98e0ee - std::sys_common::backtrace::_print::h6306f131a28d62b0
[INFO] [stdout]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/std/src/sys_common/backtrace.rs:47:5
[INFO] [stdout]    8:     0x5567fa98e0ee - std::sys_common::backtrace::print::h7079288e0a26dfcc
[INFO] [stdout]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/std/src/sys_common/backtrace.rs:34:9
[INFO] [stdout]    9:     0x5567fa98fb19 - std::panicking::default_hook::{{closure}}::hb063ecec81a736ba
[INFO] [stdout]   10:     0x5567fa98f7de - std::panicking::default_hook::hd56ee406bf547b5c
[INFO] [stdout]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/std/src/panicking.rs:295:9
[INFO] [stdout]   11:     0x5567fa79cf5a - <alloc::boxed::Box<F,A> as core::ops::function::Fn<Args>>::call::he5eacdef44c8728f
[INFO] [stdout]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/alloc/src/boxed.rs:2036:9
[INFO] [stdout]   12:     0x5567fa79cf5a - test::test_main::{{closure}}::h0ec9aed229e79095
[INFO] [stdout]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/test/src/lib.rs:137:21
[INFO] [stdout]   13:     0x5567fa99011b - <alloc::boxed::Box<F,A> as core::ops::function::Fn<Args>>::call::hcbd0d80e1ad4e4f9
[INFO] [stdout]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/alloc/src/boxed.rs:2036:9
[INFO] [stdout]   14:     0x5567fa99011b - std::panicking::rust_panic_with_hook::h624aa3ca42ebb8f2
[INFO] [stdout]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/std/src/panicking.rs:799:13
[INFO] [stdout]   15:     0x5567fa98fe94 - std::panicking::begin_panic_handler::{{closure}}::hbc4e76194a5e287c
[INFO] [stdout]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/std/src/panicking.rs:664:13
[INFO] [stdout]   16:     0x5567fa98e7d9 - std::sys_common::backtrace::__rust_end_short_backtrace::h847fedc9d1ff7b6d
[INFO] [stdout]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/std/src/sys_common/backtrace.rs:171:18
[INFO] [stdout]   17:     0x5567fa98fbc7 - rust_begin_unwind
[INFO] [stdout]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/std/src/panicking.rs:652:5
[INFO] [stdout]   18:     0x5567fa4f72d3 - core::panicking::panic_fmt::hec11a924b87ce965
[INFO] [stdout]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/core/src/panicking.rs:72:14
[INFO] [stdout]   19:     0x5567fa4f7826 - core::result::unwrap_failed::h382691b96ca8c13a
[INFO] [stdout]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/core/src/result.rs:1654:5
[INFO] [stdout]   20:     0x5567fa74823a - core::result::Result<T,E>::unwrap::hf3b0b9adefa17504
[INFO] [stdout]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/core/src/result.rs:1077:23
[INFO] [stdout]   21:     0x5567fa74823a - maelstrom_layer_fs::tests::Fixture::mount::{{closure}}::h688ac20af9e777e3
[INFO] [stdout]                                at /opt/rustwide/workdir/src/lib.rs:1175:13
[INFO] [stdout]   22:     0x5567fa74fe53 - maelstrom_layer_fs::tests::two_layer_test::{{closure}}::h017a495aaa6bd521
[INFO] [stdout]                                at /opt/rustwide/workdir/src/lib.rs:1537:48
[INFO] [stdout]   23:     0x5567fa75f8ed - maelstrom_layer_fs::tests::two_layer_complicated::{{closure}}::h6bf709df9fd20103
[INFO] [stdout]                                at /opt/rustwide/workdir/src/lib.rs:1646:10
[INFO] [stdout]   24:     0x5567fa599dc2 - <core::pin::Pin<P> as core::future::future::Future>::poll::h58377329fe1be409
[INFO] [stdout]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/core/src/future/future.rs:123:9
[INFO] [stdout]   25:     0x5567fa599e5d - <core::pin::Pin<P> as core::future::future::Future>::poll::h9848842023914f90
[INFO] [stdout]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/core/src/future/future.rs:123:9
[INFO] [stdout]   26:     0x5567fa712bcf - tokio::runtime::scheduler::current_thread::CoreGuard::block_on::{{closure}}::{{closure}}::{{closure}}::hac502fe9d0c8ca72
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/tokio-1.37.0/src/runtime/scheduler/current_thread/mod.rs:659:57
[INFO] [stdout]   27:     0x5567fa712b15 - tokio::runtime::coop::with_budget::h5772473feedf75e6
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/tokio-1.37.0/src/runtime/coop.rs:107:5
[INFO] [stdout]   28:     0x5567fa712b15 - tokio::runtime::coop::budget::h1cedff380d0d76fe
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/tokio-1.37.0/src/runtime/coop.rs:73:5
[INFO] [stdout]   29:     0x5567fa712b15 - tokio::runtime::scheduler::current_thread::CoreGuard::block_on::{{closure}}::{{closure}}::h8c4e90f535c36b70
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/tokio-1.37.0/src/runtime/scheduler/current_thread/mod.rs:659:25
[INFO] [stdout]   30:     0x5567fa7118e0 - tokio::runtime::scheduler::current_thread::Context::enter::ha7498cf055706cab
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/tokio-1.37.0/src/runtime/scheduler/current_thread/mod.rs:404:19
[INFO] [stdout]   31:     0x5567fa71238b - tokio::runtime::scheduler::current_thread::CoreGuard::block_on::{{closure}}::h2b9b5f0577e897e9
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/tokio-1.37.0/src/runtime/scheduler/current_thread/mod.rs:658:36
[INFO] [stdout]   32:     0x5567fa712104 - tokio::runtime::scheduler::current_thread::CoreGuard::enter::{{closure}}::h56418ae36458e166
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/tokio-1.37.0/src/runtime/scheduler/current_thread/mod.rs:737:68
[INFO] [stdout]   33:     0x5567fa61277b - tokio::runtime::context::scoped::Scoped<T>::set::h7aa088ea4c80d610
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/tokio-1.37.0/src/runtime/context/scoped.rs:40:9
[INFO] [stdout]   34:     0x5567fa637809 - tokio::runtime::context::set_scheduler::{{closure}}::h94afc82b84f19872
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/tokio-1.37.0/src/runtime/context.rs:176:26
[INFO] [stdout]   35:     0x5567fa736ae0 - std::thread::local::LocalKey<T>::try_with::ha55e4718acbc58e5
[INFO] [stdout]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/std/src/thread/local.rs:286:12
[INFO] [stdout]   36:     0x5567fa7357da - std::thread::local::LocalKey<T>::with::h6754b1d50501e148
[INFO] [stdout]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/std/src/thread/local.rs:262:9
[INFO] [stdout]   37:     0x5567fa6377bd - tokio::runtime::context::set_scheduler::ha0fadfb0270ced03
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/tokio-1.37.0/src/runtime/context.rs:176:9
[INFO] [stdout]   38:     0x5567fa711eb0 - tokio::runtime::scheduler::current_thread::CoreGuard::enter::h387c7036b2984b21
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/tokio-1.37.0/src/runtime/scheduler/current_thread/mod.rs:737:27
[INFO] [stdout]   39:     0x5567fa712123 - tokio::runtime::scheduler::current_thread::CoreGuard::block_on::h3b5a535448cb2a21
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/tokio-1.37.0/src/runtime/scheduler/current_thread/mod.rs:646:19
[INFO] [stdout]   40:     0x5567fa70edcd - tokio::runtime::scheduler::current_thread::CurrentThread::block_on::{{closure}}::h1f48cb6748fafaa3
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/tokio-1.37.0/src/runtime/scheduler/current_thread/mod.rs:175:28
[INFO] [stdout]   41:     0x5567fa6128f6 - tokio::runtime::context::runtime::enter_runtime::h846190051fdbaffa
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/tokio-1.37.0/src/runtime/context/runtime.rs:65:16
[INFO] [stdout]   42:     0x5567fa70ece1 - tokio::runtime::scheduler::current_thread::CurrentThread::block_on::hcf7c6cc1d46a8f78
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/tokio-1.37.0/src/runtime/scheduler/current_thread/mod.rs:167:9
[INFO] [stdout]   43:     0x5567fa5998dd - tokio::runtime::runtime::Runtime::block_on::h6348c955ebacc02c
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/tokio-1.37.0/src/runtime/runtime.rs:349:47
[INFO] [stdout]   44:     0x5567fa75eb40 - maelstrom_layer_fs::tests::two_layer_complicated::h1f7974dc339e0559
[INFO] [stdout]                                at /opt/rustwide/workdir/src/lib.rs:1635:9
[INFO] [stdout]   45:     0x5567fa75e9d7 - maelstrom_layer_fs::tests::two_layer_complicated::{{closure}}::h9360cff18f8f46f4
[INFO] [stdout]                                at /opt/rustwide/workdir/src/lib.rs:1634:37
[INFO] [stdout]   46:     0x5567fa4fba16 - core::ops::function::FnOnce::call_once::hc2af1d9108578241
[INFO] [stdout]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   47:     0x5567fa7a193b - core::ops::function::FnOnce::call_once::h2e43a8f6f3d94b99
[INFO] [stdout]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   48:     0x5567fa7a193b - test::__rust_begin_short_backtrace::h214c9f2d2d3fee90
[INFO] [stdout]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/test/src/lib.rs:625:18
[INFO] [stdout]   49:     0x5567fa7a1041 - test::run_test_in_process::{{closure}}::h510b7ba7990692a5
[INFO] [stdout]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/test/src/lib.rs:648:60
[INFO] [stdout]   50:     0x5567fa7a1041 - <core::panic::unwind_safe::AssertUnwindSafe<F> as core::ops::function::FnOnce<()>>::call_once::h4157186197a93871
[INFO] [stdout]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/core/src/panic/unwind_safe.rs:272:9
[INFO] [stdout]   51:     0x5567fa7a1041 - std::panicking::try::do_call::h1bf2463bccd4b28c
[INFO] [stdout]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/std/src/panicking.rs:559:40
[INFO] [stdout]   52:     0x5567fa7a1041 - std::panicking::try::hd6d4808c9fab4fa5
[INFO] [stdout]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/std/src/panicking.rs:523:19
[INFO] [stdout]   53:     0x5567fa7a1041 - std::panic::catch_unwind::hd5641d97d123f9f2
[INFO] [stdout]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/std/src/panic.rs:149:14
[INFO] [stdout]   54:     0x5567fa7a1041 - test::run_test_in_process::hc273b71c8b878a4c
[INFO] [stdout]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/test/src/lib.rs:648:27
[INFO] [stdout]   55:     0x5567fa7a1041 - test::run_test::{{closure}}::h6838df834eb8467e
[INFO] [stdout]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/test/src/lib.rs:569:43
[INFO] [stdout]   56:     0x5567fa769a04 - test::run_test::{{closure}}::h608b98ecff5665fb
[INFO] [stdout]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/test/src/lib.rs:599:41
[INFO] [stdout]   57:     0x5567fa769a04 - std::sys_common::backtrace::__rust_begin_short_backtrace::hdc4182b97d1042e9
[INFO] [stdout]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/std/src/sys_common/backtrace.rs:155:18
[INFO] [stdout]   58:     0x5567fa76e432 - std::thread::Builder::spawn_unchecked_::{{closure}}::{{closure}}::h571773fd21d674c8
[INFO] [stdout]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/std/src/thread/mod.rs:542:17
[INFO] [stdout]   59:     0x5567fa76e432 - <core::panic::unwind_safe::AssertUnwindSafe<F> as core::ops::function::FnOnce<()>>::call_once::hdcd384cf2fa70ba3
[INFO] [stdout]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/core/src/panic/unwind_safe.rs:272:9
[INFO] [stdout]   60:     0x5567fa76e432 - std::panicking::try::do_call::h4f1a44bd81423be1
[INFO] [stdout]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/std/src/panicking.rs:559:40
[INFO] [stdout]   61:     0x5567fa76e432 - std::panicking::try::h5e02afcb81dcd361
[INFO] [stdout]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/std/src/panicking.rs:523:19
[INFO] [stdout]   62:     0x5567fa76e432 - std::panic::catch_unwind::h022f75775bfd8c45
[INFO] [stdout]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/std/src/panic.rs:149:14
[INFO] [stdout]   63:     0x5567fa76e432 - std::thread::Builder::spawn_unchecked_::{{closure}}::hf5a62e9e4e6df1f8
[INFO] [stdout]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/std/src/thread/mod.rs:541:30
[INFO] [stdout]   64:     0x5567fa76e432 - core::ops::function::FnOnce::call_once{{vtable.shim}}::h6d56360aeb9509a7
[INFO] [stdout]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   65:     0x5567fa995cab - <alloc::boxed::Box<F,A> as core::ops::function::FnOnce<Args>>::call_once::h7a343dc551c06baa
[INFO] [stdout]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/alloc/src/boxed.rs:2022:9
[INFO] [stdout]   66:     0x5567fa995cab - <alloc::boxed::Box<F,A> as core::ops::function::FnOnce<Args>>::call_once::h30b8111cbaa644f3
[INFO] [stdout]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/alloc/src/boxed.rs:2022:9
[INFO] [stdout]   67:     0x5567fa995cab - std::sys::pal::unix::thread::Thread::new::thread_start::h7404e134e61e7a11
[INFO] [stdout]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/std/src/sys/pal/unix/thread.rs:108:17
[INFO] [stdout]   68:     0x7f8ed1606ac3 - <unknown>
[INFO] [stdout]   69:     0x7f8ed1697a04 - __clone
[INFO] [stdout]   70:                0x0 - <unknown>
[INFO] [stdout] 
[INFO] [stdout] ---- tests::two_layer_with_whiteout_of_hardlink stdout ----
[INFO] [stdout] May 25 05:23:32.009 DEBG mounting FUSE file-system in namespace
[INFO] [stdout] thread 'tests::two_layer_with_whiteout_of_hardlink' panicked at src/lib.rs:1178:18:
[INFO] [stdout] called `Result::unwrap()` on an `Err` value: ENOSYS: Function not implemented
[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/index.crates.io-6f17d22bba15001f/anyhow-1.0.82/src/backtrace.rs:27:14
[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/1871252fc8bb672d40787e67404e6eaae7059369/library/core/src/result.rs:1964:27
[INFO] [stdout]    2: maelstrom_fuse::fuse_mount_namespace::{{closure}}::{{closure}}
[INFO] [stdout]              at /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/maelstrom-fuse-0.8.0/src/lib.rs:127:27
[INFO] [stdout]    3: <tokio::runtime::blocking::task::BlockingTask<T> as core::future::future::Future>::poll
[INFO] [stdout]              at /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/tokio-1.37.0/src/runtime/blocking/task.rs:42:21
[INFO] [stdout]    4: tokio::runtime::task::core::Core<T,S>::poll::{{closure}}
[INFO] [stdout]              at /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/tokio-1.37.0/src/runtime/task/core.rs:328:17
[INFO] [stdout]    5: tokio::loom::std::unsafe_cell::UnsafeCell<T>::with_mut
[INFO] [stdout]              at /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/tokio-1.37.0/src/loom/std/unsafe_cell.rs:16:9
[INFO] [stdout]    6: tokio::runtime::task::core::Core<T,S>::poll
[INFO] [stdout]              at /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/tokio-1.37.0/src/runtime/task/core.rs:317:13
[INFO] [stdout]    7: tokio::runtime::task::harness::poll_future::{{closure}}
[INFO] [stdout]              at /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/tokio-1.37.0/src/runtime/task/harness.rs:485:19
[INFO] [stdout]    8: <core::panic::unwind_safe::AssertUnwindSafe<F> as core::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]              at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/core/src/panic/unwind_safe.rs:272:9
[INFO] [stdout]    9: std::panicking::try::do_call
[INFO] [stdout]              at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/std/src/panicking.rs:559:40
[INFO] [stdout]   10: __rust_try
[INFO] [stdout]   11: std::panicking::try
[INFO] [stdout]              at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/std/src/panicking.rs:523:19
[INFO] [stdout]   12: std::panic::catch_unwind
[INFO] [stdout]              at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/std/src/panic.rs:149:14
[INFO] [stdout]   13: tokio::runtime::task::harness::poll_future
[INFO] [stdout]              at /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/tokio-1.37.0/src/runtime/task/harness.rs:473:18
[INFO] [stdout]   14: tokio::runtime::task::harness::Harness<T,S>::poll_inner
[INFO] [stdout]              at /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/tokio-1.37.0/src/runtime/task/harness.rs:208:27
[INFO] [stdout]   15: tokio::runtime::task::harness::Harness<T,S>::poll
[INFO] [stdout]              at /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/tokio-1.37.0/src/runtime/task/harness.rs:153:15
[INFO] [stdout]   16: tokio::runtime::task::raw::poll
[INFO] [stdout]              at /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/tokio-1.37.0/src/runtime/task/raw.rs:271:5
[INFO] [stdout]   17: tokio::runtime::task::raw::RawTask::poll
[INFO] [stdout]              at /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/tokio-1.37.0/src/runtime/task/raw.rs:201:18
[INFO] [stdout]   18: tokio::runtime::task::UnownedTask<S>::run
[INFO] [stdout]              at /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/tokio-1.37.0/src/runtime/task/mod.rs:464:9
[INFO] [stdout]   19: tokio::runtime::blocking::pool::Task::run
[INFO] [stdout]              at /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/tokio-1.37.0/src/runtime/blocking/pool.rs:159:9
[INFO] [stdout]   20: tokio::runtime::blocking::pool::Inner::run
[INFO] [stdout]              at /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/tokio-1.37.0/src/runtime/blocking/pool.rs:513:17
[INFO] [stdout]   21: tokio::runtime::blocking::pool::Spawner::spawn_thread::{{closure}}
[INFO] [stdout]              at /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/tokio-1.37.0/src/runtime/blocking/pool.rs:471:13
[INFO] [stdout]   22: std::sys_common::backtrace::__rust_begin_short_backtrace
[INFO] [stdout]              at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/std/src/sys_common/backtrace.rs:155:18
[INFO] [stdout]   23: std::thread::Builder::spawn_unchecked_::{{closure}}::{{closure}}
[INFO] [stdout]              at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/std/src/thread/mod.rs:542:17
[INFO] [stdout]   24: <core::panic::unwind_safe::AssertUnwindSafe<F> as core::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]              at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/core/src/panic/unwind_safe.rs:272:9
[INFO] [stdout]   25: std::panicking::try::do_call
[INFO] [stdout]              at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/std/src/panicking.rs:559:40
[INFO] [stdout]   26: __rust_try
[INFO] [stdout]   27: std::panicking::try
[INFO] [stdout]              at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/std/src/panicking.rs:523:19
[INFO] [stdout]   28: std::panic::catch_unwind
[INFO] [stdout]              at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/std/src/panic.rs:149:14
[INFO] [stdout]   29: std::thread::Builder::spawn_unchecked_::{{closure}}
[INFO] [stdout]              at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/std/src/thread/mod.rs:541:30
[INFO] [stdout]   30: core::ops::function::FnOnce::call_once{{vtable.shim}}
[INFO] [stdout]              at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   31: <alloc::boxed::Box<F,A> as core::ops::function::FnOnce<Args>>::call_once
[INFO] [stdout]              at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/alloc/src/boxed.rs:2022:9
[INFO] [stdout]   32: <alloc::boxed::Box<F,A> as core::ops::function::FnOnce<Args>>::call_once
[INFO] [stdout]              at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/alloc/src/boxed.rs:2022:9
[INFO] [stdout]   33: std::sys::pal::unix::thread::Thread::new::thread_start
[INFO] [stdout]              at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/std/src/sys/pal/unix/thread.rs:108:17
[INFO] [stdout]   34: <unknown>
[INFO] [stdout]   35: __clone
[INFO] [stdout] stack backtrace:
[INFO] [stdout]    0:     0x5567fa98e315 - std::backtrace_rs::backtrace::libunwind::trace::h59d96bdb08384354
[INFO] [stdout]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/std/src/../../backtrace/src/backtrace/libunwind.rs:105:5
[INFO] [stdout]    1:     0x5567fa98e315 - std::backtrace_rs::backtrace::trace_unsynchronized::h9cf5becacfc93fba
[INFO] [stdout]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/std/src/../../backtrace/src/backtrace/mod.rs:66:5
[INFO] [stdout]    2:     0x5567fa98e315 - std::sys_common::backtrace::_print_fmt::h10b76d10405dbd48
[INFO] [stdout]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/std/src/sys_common/backtrace.rs:68:5
[INFO] [stdout]    3:     0x5567fa98e315 - <std::sys_common::backtrace::_print::DisplayBacktrace as core::fmt::Display>::fmt::h6ed9e62a156d84e4
[INFO] [stdout]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/std/src/sys_common/backtrace.rs:44:22
[INFO] [stdout]    4:     0x5567fa9b767b - core::fmt::rt::Argument::fmt::h645c680983f03c9f
[INFO] [stdout]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/core/src/fmt/rt.rs:165:63
[INFO] [stdout]    5:     0x5567fa9b767b - core::fmt::write::h8bcd80919a02be29
[INFO] [stdout]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/core/src/fmt/mod.rs:1169:21
[INFO] [stdout]    6:     0x5567fa98b51f - std::io::Write::write_fmt::h8d0c47c662cad79c
[INFO] [stdout]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/std/src/io/mod.rs:1835:15
[INFO] [stdout]    7:     0x5567fa98e0ee - std::sys_common::backtrace::_print::h6306f131a28d62b0
[INFO] [stdout]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/std/src/sys_common/backtrace.rs:47:5
[INFO] [stdout]    8:     0x5567fa98e0ee - std::sys_common::backtrace::print::h7079288e0a26dfcc
[INFO] [stdout]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/std/src/sys_common/backtrace.rs:34:9
[INFO] [stdout]    9:     0x5567fa98fb19 - std::panicking::default_hook::{{closure}}::hb063ecec81a736ba
[INFO] [stdout]   10:     0x5567fa98f7de - std::panicking::default_hook::hd56ee406bf547b5c
[INFO] [stdout]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/std/src/panicking.rs:295:9
[INFO] [stdout]   11:     0x5567fa79cf5a - <alloc::boxed::Box<F,A> as core::ops::function::Fn<Args>>::call::he5eacdef44c8728f
[INFO] [stdout]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/alloc/src/boxed.rs:2036:9
[INFO] [stdout]   12:     0x5567fa79cf5a - test::test_main::{{closure}}::h0ec9aed229e79095
[INFO] [stdout]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/test/src/lib.rs:137:21
[INFO] [stdout]   13:     0x5567fa99011b - <alloc::boxed::Box<F,A> as core::ops::function::Fn<Args>>::call::hcbd0d80e1ad4e4f9
[INFO] [stdout]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/alloc/src/boxed.rs:2036:9
[INFO] [stdout]   14:     0x5567fa99011b - std::panicking::rust_panic_with_hook::h624aa3ca42ebb8f2
[INFO] [stdout]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/std/src/panicking.rs:799:13
[INFO] [stdout]   15:     0x5567fa98fe94 - std::panicking::begin_panic_handler::{{closure}}::hbc4e76194a5e287c
[INFO] [stdout]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/std/src/panicking.rs:664:13
[INFO] [stdout]   16:     0x5567fa98e7d9 - std::sys_common::backtrace::__rust_end_short_backtrace::h847fedc9d1ff7b6d
[INFO] [stdout]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/std/src/sys_common/backtrace.rs:171:18
[INFO] [stdout]   17:     0x5567fa98fbc7 - rust_begin_unwind
[INFO] [stdout]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/std/src/panicking.rs:652:5
[INFO] [stdout]   18:     0x5567fa4f72d3 - core::panicking::panic_fmt::hec11a924b87ce965
[INFO] [stdout]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/core/src/panicking.rs:72:14
[INFO] [stdout]   19:     0x5567fa4f7826 - core::result::unwrap_failed::h382691b96ca8c13a
[INFO] [stdout]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/core/src/result.rs:1654:5
[INFO] [stdout]   20:     0x5567fa74823a - core::result::Result<T,E>::unwrap::hf3b0b9adefa17504
[INFO] [stdout]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/core/src/result.rs:1077:23
[INFO] [stdout]   21:     0x5567fa74823a - maelstrom_layer_fs::tests::Fixture::mount::{{closure}}::h688ac20af9e777e3
[INFO] [stdout]                                at /opt/rustwide/workdir/src/lib.rs:1175:13
[INFO] [stdout]   22:     0x5567fa74fe53 - maelstrom_layer_fs::tests::two_layer_test::{{closure}}::h017a495aaa6bd521
[INFO] [stdout]                                at /opt/rustwide/workdir/src/lib.rs:1537:48
[INFO] [stdout]   23:     0x5567fa762388 - maelstrom_layer_fs::tests::two_layer_with_whiteout_of_hardlink::{{closure}}::h2b5ff365e07eef7a
[INFO] [stdout]                                at /opt/rustwide/workdir/src/lib.rs:1700:10
[INFO] [stdout]   24:     0x5567fa599dc2 - <core::pin::Pin<P> as core::future::future::Future>::poll::h58377329fe1be409
[INFO] [stdout]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/core/src/future/future.rs:123:9
[INFO] [stdout]   25:     0x5567fa599e5d - <core::pin::Pin<P> as core::future::future::Future>::poll::h9848842023914f90
[INFO] [stdout]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/core/src/future/future.rs:123:9
[INFO] [stdout]   26:     0x5567fa712bcf - tokio::runtime::scheduler::current_thread::CoreGuard::block_on::{{closure}}::{{closure}}::{{closure}}::hac502fe9d0c8ca72
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/tokio-1.37.0/src/runtime/scheduler/current_thread/mod.rs:659:57
[INFO] [stdout]   27:     0x5567fa712b15 - tokio::runtime::coop::with_budget::h5772473feedf75e6
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/tokio-1.37.0/src/runtime/coop.rs:107:5
[INFO] [stdout]   28:     0x5567fa712b15 - tokio::runtime::coop::budget::h1cedff380d0d76fe
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/tokio-1.37.0/src/runtime/coop.rs:73:5
[INFO] [stdout]   29:     0x5567fa712b15 - tokio::runtime::scheduler::current_thread::CoreGuard::block_on::{{closure}}::{{closure}}::h8c4e90f535c36b70
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/tokio-1.37.0/src/runtime/scheduler/current_thread/mod.rs:659:25
[INFO] [stdout]   30:     0x5567fa7118e0 - tokio::runtime::scheduler::current_thread::Context::enter::ha7498cf055706cab
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/tokio-1.37.0/src/runtime/scheduler/current_thread/mod.rs:404:19
[INFO] [stdout]   31:     0x5567fa71238b - tokio::runtime::scheduler::current_thread::CoreGuard::block_on::{{closure}}::h2b9b5f0577e897e9
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/tokio-1.37.0/src/runtime/scheduler/current_thread/mod.rs:658:36
[INFO] [stdout]   32:     0x5567fa712104 - tokio::runtime::scheduler::current_thread::CoreGuard::enter::{{closure}}::h56418ae36458e166
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/tokio-1.37.0/src/runtime/scheduler/current_thread/mod.rs:737:68
[INFO] [stdout]   33:     0x5567fa61277b - tokio::runtime::context::scoped::Scoped<T>::set::h7aa088ea4c80d610
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/tokio-1.37.0/src/runtime/context/scoped.rs:40:9
[INFO] [stdout]   34:     0x5567fa637809 - tokio::runtime::context::set_scheduler::{{closure}}::h94afc82b84f19872
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/tokio-1.37.0/src/runtime/context.rs:176:26
[INFO] [stdout]   35:     0x5567fa736ae0 - std::thread::local::LocalKey<T>::try_with::ha55e4718acbc58e5
[INFO] [stdout]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/std/src/thread/local.rs:286:12
[INFO] [stdout]   36:     0x5567fa7357da - std::thread::local::LocalKey<T>::with::h6754b1d50501e148
[INFO] [stdout]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/std/src/thread/local.rs:262:9
[INFO] [stdout]   37:     0x5567fa6377bd - tokio::runtime::context::set_scheduler::ha0fadfb0270ced03
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/tokio-1.37.0/src/runtime/context.rs:176:9
[INFO] [stdout]   38:     0x5567fa711eb0 - tokio::runtime::scheduler::current_thread::CoreGuard::enter::h387c7036b2984b21
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/tokio-1.37.0/src/runtime/scheduler/current_thread/mod.rs:737:27
[INFO] [stdout]   39:     0x5567fa712123 - tokio::runtime::scheduler::current_thread::CoreGuard::block_on::h3b5a535448cb2a21
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/tokio-1.37.0/src/runtime/scheduler/current_thread/mod.rs:646:19
[INFO] [stdout]   40:     0x5567fa70edcd - tokio::runtime::scheduler::current_thread::CurrentThread::block_on::{{closure}}::h1f48cb6748fafaa3
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/tokio-1.37.0/src/runtime/scheduler/current_thread/mod.rs:175:28
[INFO] [stdout]   41:     0x5567fa6128f6 - tokio::runtime::context::runtime::enter_runtime::h846190051fdbaffa
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/tokio-1.37.0/src/runtime/context/runtime.rs:65:16
[INFO] [stdout]   42:     0x5567fa70ece1 - tokio::runtime::scheduler::current_thread::CurrentThread::block_on::hcf7c6cc1d46a8f78
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/tokio-1.37.0/src/runtime/scheduler/current_thread/mod.rs:167:9
[INFO] [stdout]   43:     0x5567fa5998dd - tokio::runtime::runtime::Runtime::block_on::h6348c955ebacc02c
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/tokio-1.37.0/src/runtime/runtime.rs:349:47
[INFO] [stdout]   44:     0x5567fa761bb0 - maelstrom_layer_fs::tests::two_layer_with_whiteout_of_hardlink::h478c6d5d0099b76c
[INFO] [stdout]                                at /opt/rustwide/workdir/src/lib.rs:1692:9
[INFO] [stdout]   45:     0x5567fa761a47 - maelstrom_layer_fs::tests::two_layer_with_whiteout_of_hardlink::{{closure}}::he9f3cdb54fc9df79
[INFO] [stdout]                                at /opt/rustwide/workdir/src/lib.rs:1691:51
[INFO] [stdout]   46:     0x5567fa4f92e6 - core::ops::function::FnOnce::call_once::h4293d50c09bc6e38
[INFO] [stdout]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   47:     0x5567fa7a193b - core::ops::function::FnOnce::call_once::h2e43a8f6f3d94b99
[INFO] [stdout]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   48:     0x5567fa7a193b - test::__rust_begin_short_backtrace::h214c9f2d2d3fee90
[INFO] [stdout]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/test/src/lib.rs:625:18
[INFO] [stdout]   49:     0x5567fa7a1041 - test::run_test_in_process::{{closure}}::h510b7ba7990692a5
[INFO] [stdout]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/test/src/lib.rs:648:60
[INFO] [stdout]   50:     0x5567fa7a1041 - <core::panic::unwind_safe::AssertUnwindSafe<F> as core::ops::function::FnOnce<()>>::call_once::h4157186197a93871
[INFO] [stdout]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/core/src/panic/unwind_safe.rs:272:9
[INFO] [stdout]   51:     0x5567fa7a1041 - std::panicking::try::do_call::h1bf2463bccd4b28c
[INFO] [stdout]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/std/src/panicking.rs:559:40
[INFO] [stdout]   52:     0x5567fa7a1041 - std::panicking::try::hd6d4808c9fab4fa5
[INFO] [stdout]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/std/src/panicking.rs:523:19
[INFO] [stdout]   53:     0x5567fa7a1041 - std::panic::catch_unwind::hd5641d97d123f9f2
[INFO] [stdout]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/std/src/panic.rs:149:14
[INFO] [stdout]   54:     0x5567fa7a1041 - test::run_test_in_process::hc273b71c8b878a4c
[INFO] [stdout]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/test/src/lib.rs:648:27
[INFO] [stdout]   55:     0x5567fa7a1041 - test::run_test::{{closure}}::h6838df834eb8467e
[INFO] [stdout]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/test/src/lib.rs:569:43
[INFO] [stdout]   56:     0x5567fa769a04 - test::run_test::{{closure}}::h608b98ecff5665fb
[INFO] [stdout]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/test/src/lib.rs:599:41
[INFO] [stdout]   57:     0x5567fa769a04 - std::sys_common::backtrace::__rust_begin_short_backtrace::hdc4182b97d1042e9
[INFO] [stdout]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/std/src/sys_common/backtrace.rs:155:18
[INFO] [stdout]   58:     0x5567fa76e432 - std::thread::Builder::spawn_unchecked_::{{closure}}::{{closure}}::h571773fd21d674c8
[INFO] [stdout]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/std/src/thread/mod.rs:542:17
[INFO] [stdout]   59:     0x5567fa76e432 - <core::panic::unwind_safe::AssertUnwindSafe<F> as core::ops::function::FnOnce<()>>::call_once::hdcd384cf2fa70ba3
[INFO] [stdout]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/core/src/panic/unwind_safe.rs:272:9
[INFO] [stdout]   60:     0x5567fa76e432 - std::panicking::try::do_call::h4f1a44bd81423be1
[INFO] [stdout]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/std/src/panicking.rs:559:40
[INFO] [stdout]   61:     0x5567fa76e432 - std::panicking::try::h5e02afcb81dcd361
[INFO] [stdout]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/std/src/panicking.rs:523:19
[INFO] [stdout]   62:     0x5567fa76e432 - std::panic::catch_unwind::h022f75775bfd8c45
[INFO] [stdout]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/std/src/panic.rs:149:14
[INFO] [stdout]   63:     0x5567fa76e432 - std::thread::Builder::spawn_unchecked_::{{closure}}::hf5a62e9e4e6df1f8
[INFO] [stdout]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/std/src/thread/mod.rs:541:30
[INFO] [stdout]   64:     0x5567fa76e432 - core::ops::function::FnOnce::call_once{{vtable.shim}}::h6d56360aeb9509a7
[INFO] [stdout]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   65:     0x5567fa995cab - <alloc::boxed::Box<F,A> as core::ops::function::FnOnce<Args>>::call_once::h7a343dc551c06baa
[INFO] [stdout]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/alloc/src/boxed.rs:2022:9
[INFO] [stdout]   66:     0x5567fa995cab - <alloc::boxed::Box<F,A> as core::ops::function::FnOnce<Args>>::call_once::h30b8111cbaa644f3
[INFO] [stdout]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/alloc/src/boxed.rs:2022:9
[INFO] [stdout]   67:     0x5567fa995cab - std::sys::pal::unix::thread::Thread::new::thread_start::h7404e134e61e7a11
[INFO] [stdout]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/std/src/sys/pal/unix/thread.rs:108:17
[INFO] [stdout]   68:     0x7f8ed1606ac3 - <unknown>
[INFO] [stdout]   69:     0x7f8ed1697a04 - __clone
[INFO] [stdout]   70:                0x0 - <unknown>
[INFO] [stdout] 
[INFO] [stdout] ---- tests::two_layer_with_whiteout_of_directory stdout ----
[INFO] [stdout] May 25 05:23:32.011 DEBG mounting FUSE file-system in namespace
[INFO] [stdout] thread 'tests::two_layer_with_whiteout_of_directory' panicked at src/lib.rs:1178:18:
[INFO] [stdout] called `Result::unwrap()` on an `Err` value: ENOSYS: Function not implemented
[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/index.crates.io-6f17d22bba15001f/anyhow-1.0.82/src/backtrace.rs:27:14
[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/1871252fc8bb672d40787e67404e6eaae7059369/library/core/src/result.rs:1964:27
[INFO] [stdout]    2: maelstrom_fuse::fuse_mount_namespace::{{closure}}::{{closure}}
[INFO] [stdout]              at /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/maelstrom-fuse-0.8.0/src/lib.rs:127:27
[INFO] [stdout]    3: <tokio::runtime::blocking::task::BlockingTask<T> as core::future::future::Future>::poll
[INFO] [stdout]              at /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/tokio-1.37.0/src/runtime/blocking/task.rs:42:21
[INFO] [stdout]    4: tokio::runtime::task::core::Core<T,S>::poll::{{closure}}
[INFO] [stdout]              at /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/tokio-1.37.0/src/runtime/task/core.rs:328:17
[INFO] [stdout]    5: tokio::loom::std::unsafe_cell::UnsafeCell<T>::with_mut
[INFO] [stdout]              at /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/tokio-1.37.0/src/loom/std/unsafe_cell.rs:16:9
[INFO] [stdout]    6: tokio::runtime::task::core::Core<T,S>::poll
[INFO] [stdout]              at /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/tokio-1.37.0/src/runtime/task/core.rs:317:13
[INFO] [stdout]    7: tokio::runtime::task::harness::poll_future::{{closure}}
[INFO] [stdout]              at /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/tokio-1.37.0/src/runtime/task/harness.rs:485:19
[INFO] [stdout]    8: <core::panic::unwind_safe::AssertUnwindSafe<F> as core::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]              at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/core/src/panic/unwind_safe.rs:272:9
[INFO] [stdout]    9: std::panicking::try::do_call
[INFO] [stdout]              at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/std/src/panicking.rs:559:40
[INFO] [stdout]   10: __rust_try
[INFO] [stdout]   11: std::panicking::try
[INFO] [stdout]              at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/std/src/panicking.rs:523:19
[INFO] [stdout]   12: std::panic::catch_unwind
[INFO] [stdout]              at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/std/src/panic.rs:149:14
[INFO] [stdout]   13: tokio::runtime::task::harness::poll_future
[INFO] [stdout]              at /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/tokio-1.37.0/src/runtime/task/harness.rs:473:18
[INFO] [stdout]   14: tokio::runtime::task::harness::Harness<T,S>::poll_inner
[INFO] [stdout]              at /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/tokio-1.37.0/src/runtime/task/harness.rs:208:27
[INFO] [stdout]   15: tokio::runtime::task::harness::Harness<T,S>::poll
[INFO] [stdout]              at /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/tokio-1.37.0/src/runtime/task/harness.rs:153:15
[INFO] [stdout]   16: tokio::runtime::task::raw::poll
[INFO] [stdout]              at /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/tokio-1.37.0/src/runtime/task/raw.rs:271:5
[INFO] [stdout]   17: tokio::runtime::task::raw::RawTask::poll
[INFO] [stdout]              at /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/tokio-1.37.0/src/runtime/task/raw.rs:201:18
[INFO] [stdout]   18: tokio::runtime::task::UnownedTask<S>::run
[INFO] [stdout]              at /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/tokio-1.37.0/src/runtime/task/mod.rs:464:9
[INFO] [stdout]   19: tokio::runtime::blocking::pool::Task::run
[INFO] [stdout]              at /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/tokio-1.37.0/src/runtime/blocking/pool.rs:159:9
[INFO] [stdout]   20: tokio::runtime::blocking::pool::Inner::run
[INFO] [stdout]              at /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/tokio-1.37.0/src/runtime/blocking/pool.rs:513:17
[INFO] [stdout]   21: tokio::runtime::blocking::pool::Spawner::spawn_thread::{{closure}}
[INFO] [stdout]              at /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/tokio-1.37.0/src/runtime/blocking/pool.rs:471:13
[INFO] [stdout]   22: std::sys_common::backtrace::__rust_begin_short_backtrace
[INFO] [stdout]              at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/std/src/sys_common/backtrace.rs:155:18
[INFO] [stdout]   23: std::thread::Builder::spawn_unchecked_::{{closure}}::{{closure}}
[INFO] [stdout]              at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/std/src/thread/mod.rs:542:17
[INFO] [stdout]   24: <core::panic::unwind_safe::AssertUnwindSafe<F> as core::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]              at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/core/src/panic/unwind_safe.rs:272:9
[INFO] [stdout]   25: std::panicking::try::do_call
[INFO] [stdout]              at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/std/src/panicking.rs:559:40
[INFO] [stdout]   26: __rust_try
[INFO] [stdout]   27: std::panicking::try
[INFO] [stdout]              at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/std/src/panicking.rs:523:19
[INFO] [stdout]   28: std::panic::catch_unwind
[INFO] [stdout]              at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/std/src/panic.rs:149:14
[INFO] [stdout]   29: std::thread::Builder::spawn_unchecked_::{{closure}}
[INFO] [stdout]              at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/std/src/thread/mod.rs:541:30
[INFO] [stdout]   30: core::ops::function::FnOnce::call_once{{vtable.shim}}
[INFO] [stdout]              at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   31: <alloc::boxed::Box<F,A> as core::ops::function::FnOnce<Args>>::call_once
[INFO] [stdout]              at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/alloc/src/boxed.rs:2022:9
[INFO] [stdout]   32: <alloc::boxed::Box<F,A> as core::ops::function::FnOnce<Args>>::call_once
[INFO] [stdout]              at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/alloc/src/boxed.rs:2022:9
[INFO] [stdout]   33: std::sys::pal::unix::thread::Thread::new::thread_start
[INFO] [stdout]              at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/std/src/sys/pal/unix/thread.rs:108:17
[INFO] [stdout]   34: <unknown>
[INFO] [stdout]   35: __clone
[INFO] [stdout] stack backtrace:
[INFO] [stdout]    0:     0x5567fa98e315 - std::backtrace_rs::backtrace::libunwind::trace::h59d96bdb08384354
[INFO] [stdout]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/std/src/../../backtrace/src/backtrace/libunwind.rs:105:5
[INFO] [stdout]    1:     0x5567fa98e315 - std::backtrace_rs::backtrace::trace_unsynchronized::h9cf5becacfc93fba
[INFO] [stdout]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/std/src/../../backtrace/src/backtrace/mod.rs:66:5
[INFO] [stdout]    2:     0x5567fa98e315 - std::sys_common::backtrace::_print_fmt::h10b76d10405dbd48
[INFO] [stdout]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/std/src/sys_common/backtrace.rs:68:5
[INFO] [stdout]    3:     0x5567fa98e315 - <std::sys_common::backtrace::_print::DisplayBacktrace as core::fmt::Display>::fmt::h6ed9e62a156d84e4
[INFO] [stdout]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/std/src/sys_common/backtrace.rs:44:22
[INFO] [stdout]    4:     0x5567fa9b767b - core::fmt::rt::Argument::fmt::h645c680983f03c9f
[INFO] [stdout]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/core/src/fmt/rt.rs:165:63
[INFO] [stdout]    5:     0x5567fa9b767b - core::fmt::write::h8bcd80919a02be29
[INFO] [stdout]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/core/src/fmt/mod.rs:1169:21
[INFO] [stdout]    6:     0x5567fa98b51f - std::io::Write::write_fmt::h8d0c47c662cad79c
[INFO] [stdout]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/std/src/io/mod.rs:1835:15
[INFO] [stdout]    7:     0x5567fa98e0ee - std::sys_common::backtrace::_print::h6306f131a28d62b0
[INFO] [stdout]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/std/src/sys_common/backtrace.rs:47:5
[INFO] [stdout]    8:     0x5567fa98e0ee - std::sys_common::backtrace::print::h7079288e0a26dfcc
[INFO] [stdout]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/std/src/sys_common/backtrace.rs:34:9
[INFO] [stdout]    9:     0x5567fa98fb19 - std::panicking::default_hook::{{closure}}::hb063ecec81a736ba
[INFO] [stdout]   10:     0x5567fa98f7de - std::panicking::default_hook::hd56ee406bf547b5c
[INFO] [stdout]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/std/src/panicking.rs:295:9
[INFO] [stdout]   11:     0x5567fa79cf5a - <alloc::boxed::Box<F,A> as core::ops::function::Fn<Args>>::call::he5eacdef44c8728f
[INFO] [stdout]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/alloc/src/boxed.rs:2036:9
[INFO] [stdout]   12:     0x5567fa79cf5a - test::test_main::{{closure}}::h0ec9aed229e79095
[INFO] [stdout]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/test/src/lib.rs:137:21
[INFO] [stdout]   13:     0x5567fa99011b - <alloc::boxed::Box<F,A> as core::ops::function::Fn<Args>>::call::hcbd0d80e1ad4e4f9
[INFO] [stdout]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/alloc/src/boxed.rs:2036:9
[INFO] [stdout]   14:     0x5567fa99011b - std::panicking::rust_panic_with_hook::h624aa3ca42ebb8f2
[INFO] [stdout]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/std/src/panicking.rs:799:13
[INFO] [stdout]   15:     0x5567fa98fe94 - std::panicking::begin_panic_handler::{{closure}}::hbc4e76194a5e287c
[INFO] [stdout]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/std/src/panicking.rs:664:13
[INFO] [stdout]   16:     0x5567fa98e7d9 - std::sys_common::backtrace::__rust_end_short_backtrace::h847fedc9d1ff7b6d
[INFO] [stdout]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/std/src/sys_common/backtrace.rs:171:18
[INFO] [stdout]   17:     0x5567fa98fbc7 - rust_begin_unwind
[INFO] [stdout]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/std/src/panicking.rs:652:5
[INFO] [stdout]   18:     0x5567fa4f72d3 - core::panicking::panic_fmt::hec11a924b87ce965
[INFO] [stdout]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/core/src/panicking.rs:72:14
[INFO] [stdout]   19:     0x5567fa4f7826 - core::result::unwrap_failed::h382691b96ca8c13a
[INFO] [stdout]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/core/src/result.rs:1654:5
[INFO] [stdout]   20:     0x5567fa74823a - core::result::Result<T,E>::unwrap::hf3b0b9adefa17504
[INFO] [stdout]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/core/src/result.rs:1077:23
[INFO] [stdout]   21:     0x5567fa74823a - maelstrom_layer_fs::tests::Fixture::mount::{{closure}}::h688ac20af9e777e3
[INFO] [stdout]                                at /opt/rustwide/workdir/src/lib.rs:1175:13
[INFO] [stdout]   22:     0x5567fa74fe53 - maelstrom_layer_fs::tests::two_layer_test::{{closure}}::h017a495aaa6bd521
[INFO] [stdout]                                at /opt/rustwide/workdir/src/lib.rs:1537:48
[INFO] [stdout]   23:     0x5567fa762f20 - maelstrom_layer_fs::tests::two_layer_with_whiteout_of_directory::{{closure}}::h41323ff2bb56c334
[INFO] [stdout]                                at /opt/rustwide/workdir/src/lib.rs:1718:10
[INFO] [stdout]   24:     0x5567fa599dc2 - <core::pin::Pin<P> as core::future::future::Future>::poll::h58377329fe1be409
[INFO] [stdout]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/core/src/future/future.rs:123:9
[INFO] [stdout]   25:     0x5567fa599e5d - <core::pin::Pin<P> as core::future::future::Future>::poll::h9848842023914f90
[INFO] [stdout]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/core/src/future/future.rs:123:9
[INFO] [stdout]   26:     0x5567fa712bcf - tokio::runtime::scheduler::current_thread::CoreGuard::block_on::{{closure}}::{{closure}}::{{closure}}::hac502fe9d0c8ca72
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/tokio-1.37.0/src/runtime/scheduler/current_thread/mod.rs:659:57
[INFO] [stdout]   27:     0x5567fa712b15 - tokio::runtime::coop::with_budget::h5772473feedf75e6
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/tokio-1.37.0/src/runtime/coop.rs:107:5
[INFO] [stdout]   28:     0x5567fa712b15 - tokio::runtime::coop::budget::h1cedff380d0d76fe
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/tokio-1.37.0/src/runtime/coop.rs:73:5
[INFO] [stdout]   29:     0x5567fa712b15 - tokio::runtime::scheduler::current_thread::CoreGuard::block_on::{{closure}}::{{closure}}::h8c4e90f535c36b70
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/tokio-1.37.0/src/runtime/scheduler/current_thread/mod.rs:659:25
[INFO] [stdout]   30:     0x5567fa7118e0 - tokio::runtime::scheduler::current_thread::Context::enter::ha7498cf055706cab
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/tokio-1.37.0/src/runtime/scheduler/current_thread/mod.rs:404:19
[INFO] [stdout]   31:     0x5567fa71238b - tokio::runtime::scheduler::current_thread::CoreGuard::block_on::{{closure}}::h2b9b5f0577e897e9
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/tokio-1.37.0/src/runtime/scheduler/current_thread/mod.rs:658:36
[INFO] [stdout]   32:     0x5567fa712104 - tokio::runtime::scheduler::current_thread::CoreGuard::enter::{{closure}}::h56418ae36458e166
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/tokio-1.37.0/src/runtime/scheduler/current_thread/mod.rs:737:68
[INFO] [stdout]   33:     0x5567fa61277b - tokio::runtime::context::scoped::Scoped<T>::set::h7aa088ea4c80d610
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/tokio-1.37.0/src/runtime/context/scoped.rs:40:9
[INFO] [stdout]   34:     0x5567fa637809 - tokio::runtime::context::set_scheduler::{{closure}}::h94afc82b84f19872
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/tokio-1.37.0/src/runtime/context.rs:176:26
[INFO] [stdout]   35:     0x5567fa736ae0 - std::thread::local::LocalKey<T>::try_with::ha55e4718acbc58e5
[INFO] [stdout]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/std/src/thread/local.rs:286:12
[INFO] [stdout]   36:     0x5567fa7357da - std::thread::local::LocalKey<T>::with::h6754b1d50501e148
[INFO] [stdout]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/std/src/thread/local.rs:262:9
[INFO] [stdout]   37:     0x5567fa6377bd - tokio::runtime::context::set_scheduler::ha0fadfb0270ced03
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/tokio-1.37.0/src/runtime/context.rs:176:9
[INFO] [stdout]   38:     0x5567fa711eb0 - tokio::runtime::scheduler::current_thread::CoreGuard::enter::h387c7036b2984b21
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/tokio-1.37.0/src/runtime/scheduler/current_thread/mod.rs:737:27
[INFO] [stdout]   39:     0x5567fa712123 - tokio::runtime::scheduler::current_thread::CoreGuard::block_on::h3b5a535448cb2a21
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/tokio-1.37.0/src/runtime/scheduler/current_thread/mod.rs:646:19
[INFO] [stdout]   40:     0x5567fa70edcd - tokio::runtime::scheduler::current_thread::CurrentThread::block_on::{{closure}}::h1f48cb6748fafaa3
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/tokio-1.37.0/src/runtime/scheduler/current_thread/mod.rs:175:28
[INFO] [stdout]   41:     0x5567fa6128f6 - tokio::runtime::context::runtime::enter_runtime::h846190051fdbaffa
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/tokio-1.37.0/src/runtime/context/runtime.rs:65:16
[INFO] [stdout]   42:     0x5567fa70ece1 - tokio::runtime::scheduler::current_thread::CurrentThread::block_on::hcf7c6cc1d46a8f78
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/tokio-1.37.0/src/runtime/scheduler/current_thread/mod.rs:167:9
[INFO] [stdout]   43:     0x5567fa5998dd - tokio::runtime::runtime::Runtime::block_on::h6348c955ebacc02c
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/tokio-1.37.0/src/runtime/runtime.rs:349:47
[INFO] [stdout]   44:     0x5567fa762580 - maelstrom_layer_fs::tests::two_layer_with_whiteout_of_directory::h66f2fd7960d4ef1d
[INFO] [stdout]                                at /opt/rustwide/workdir/src/lib.rs:1705:9
[INFO] [stdout]   45:     0x5567fa762417 - maelstrom_layer_fs::tests::two_layer_with_whiteout_of_directory::{{closure}}::hf491f7f13d9d1c1c
[INFO] [stdout]                                at /opt/rustwide/workdir/src/lib.rs:1704:52
[INFO] [stdout]   46:     0x5567fa4f8566 - core::ops::function::FnOnce::call_once::h0869ae83326b78d3
[INFO] [stdout]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   47:     0x5567fa7a193b - core::ops::function::FnOnce::call_once::h2e43a8f6f3d94b99
[INFO] [stdout]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   48:     0x5567fa7a193b - test::__rust_begin_short_backtrace::h214c9f2d2d3fee90
[INFO] [stdout]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/test/src/lib.rs:625:18
[INFO] [stdout]   49:     0x5567fa7a1041 - test::run_test_in_process::{{closure}}::h510b7ba7990692a5
[INFO] [stdout]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/test/src/lib.rs:648:60
[INFO] [stdout]   50:     0x5567fa7a1041 - <core::panic::unwind_safe::AssertUnwindSafe<F> as core::ops::function::FnOnce<()>>::call_once::h4157186197a93871
[INFO] [stdout]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/core/src/panic/unwind_safe.rs:272:9
[INFO] [stdout]   51:     0x5567fa7a1041 - std::panicking::try::do_call::h1bf2463bccd4b28c
[INFO] [stdout]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/std/src/panicking.rs:559:40
[INFO] [stdout]   52:     0x5567fa7a1041 - std::panicking::try::hd6d4808c9fab4fa5
[INFO] [stdout]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/std/src/panicking.rs:523:19
[INFO] [stdout]   53:     0x5567fa7a1041 - std::panic::catch_unwind::hd5641d97d123f9f2
[INFO] [stdout]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/std/src/panic.rs:149:14
[INFO] [stdout]   54:     0x5567fa7a1041 - test::run_test_in_process::hc273b71c8b878a4c
[INFO] [stdout]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/test/src/lib.rs:648:27
[INFO] [stdout]   55:     0x5567fa7a1041 - test::run_test::{{closure}}::h6838df834eb8467e
[INFO] [stdout]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/test/src/lib.rs:569:43
[INFO] [stdout]   56:     0x5567fa769a04 - test::run_test::{{closure}}::h608b98ecff5665fb
[INFO] [stdout]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/test/src/lib.rs:599:41
[INFO] [stdout]   57:     0x5567fa769a04 - std::sys_common::backtrace::__rust_begin_short_backtrace::hdc4182b97d1042e9
[INFO] [stdout]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/std/src/sys_common/backtrace.rs:155:18
[INFO] [stdout]   58:     0x5567fa76e432 - std::thread::Builder::spawn_unchecked_::{{closure}}::{{closure}}::h571773fd21d674c8
[INFO] [stdout]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/std/src/thread/mod.rs:542:17
[INFO] [stdout]   59:     0x5567fa76e432 - <core::panic::unwind_safe::AssertUnwindSafe<F> as core::ops::function::FnOnce<()>>::call_once::hdcd384cf2fa70ba3
[INFO] [stdout]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/core/src/panic/unwind_safe.rs:272:9
[INFO] [stdout]   60:     0x5567fa76e432 - std::panicking::try::do_call::h4f1a44bd81423be1
[INFO] [stdout]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/std/src/panicking.rs:559:40
[INFO] [stdout]   61:     0x5567fa76e432 - std::panicking::try::h5e02afcb81dcd361
[INFO] [stdout]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/std/src/panicking.rs:523:19
[INFO] [stdout]   62:     0x5567fa76e432 - std::panic::catch_unwind::h022f75775bfd8c45
[INFO] [stdout]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/std/src/panic.rs:149:14
[INFO] [stdout]   63:     0x5567fa76e432 - std::thread::Builder::spawn_unchecked_::{{closure}}::hf5a62e9e4e6df1f8
[INFO] [stdout]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/std/src/thread/mod.rs:541:30
[INFO] [stdout]   64:     0x5567fa76e432 - core::ops::function::FnOnce::call_once{{vtable.shim}}::h6d56360aeb9509a7
[INFO] [stdout]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   65:     0x5567fa995cab - <alloc::boxed::Box<F,A> as core::ops::function::FnOnce<Args>>::call_once::h7a343dc551c06baa
[INFO] [stdout]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/alloc/src/boxed.rs:2022:9
[INFO] [stdout]   66:     0x5567fa995cab - <alloc::boxed::Box<F,A> as core::ops::function::FnOnce<Args>>::call_once::h30b8111cbaa644f3
[INFO] [stdout]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/alloc/src/boxed.rs:2022:9
[INFO] [stdout]   67:     0x5567fa995cab - std::sys::pal::unix::thread::Thread::new::thread_start::h7404e134e61e7a11
[INFO] [stdout]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/std/src/sys/pal/unix/thread.rs:108:17
[INFO] [stdout]   68:     0x7f8ed1606ac3 - <unknown>
[INFO] [stdout]   69:     0x7f8ed1697a04 - __clone
[INFO] [stdout]   70:                0x0 - <unknown>
[INFO] [stdout] 
[INFO] [stdout] ---- tests::two_layer_large_upper_dir stdout ----
[INFO] [stdout] May 25 05:23:32.011 DEBG mounting FUSE file-system in namespace
[INFO] [stdout] thread 'tests::two_layer_large_upper_dir' panicked at src/lib.rs:1178:18:
[INFO] [stdout] called `Result::unwrap()` on an `Err` value: ENOSYS: Function not implemented
[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/index.crates.io-6f17d22bba15001f/anyhow-1.0.82/src/backtrace.rs:27:14
[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/1871252fc8bb672d40787e67404e6eaae7059369/library/core/src/result.rs:1964:27
[INFO] [stdout]    2: maelstrom_fuse::fuse_mount_namespace::{{closure}}::{{closure}}
[INFO] [stdout]              at /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/maelstrom-fuse-0.8.0/src/lib.rs:127:27
[INFO] [stdout]    3: <tokio::runtime::blocking::task::BlockingTask<T> as core::future::future::Future>::poll
[INFO] [stdout]              at /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/tokio-1.37.0/src/runtime/blocking/task.rs:42:21
[INFO] [stdout]    4: tokio::runtime::task::core::Core<T,S>::poll::{{closure}}
[INFO] [stdout]              at /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/tokio-1.37.0/src/runtime/task/core.rs:328:17
[INFO] [stdout]    5: tokio::loom::std::unsafe_cell::UnsafeCell<T>::with_mut
[INFO] [stdout]              at /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/tokio-1.37.0/src/loom/std/unsafe_cell.rs:16:9
[INFO] [stdout]    6: tokio::runtime::task::core::Core<T,S>::poll
[INFO] [stdout]              at /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/tokio-1.37.0/src/runtime/task/core.rs:317:13
[INFO] [stdout]    7: tokio::runtime::task::harness::poll_future::{{closure}}
[INFO] [stdout]              at /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/tokio-1.37.0/src/runtime/task/harness.rs:485:19
[INFO] [stdout]    8: <core::panic::unwind_safe::AssertUnwindSafe<F> as core::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]              at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/core/src/panic/unwind_safe.rs:272:9
[INFO] [stdout]    9: std::panicking::try::do_call
[INFO] [stdout]              at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/std/src/panicking.rs:559:40
[INFO] [stdout]   10: __rust_try
[INFO] [stdout]   11: std::panicking::try
[INFO] [stdout]              at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/std/src/panicking.rs:523:19
[INFO] [stdout]   12: std::panic::catch_unwind
[INFO] [stdout]              at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/std/src/panic.rs:149:14
[INFO] [stdout]   13: tokio::runtime::task::harness::poll_future
[INFO] [stdout]              at /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/tokio-1.37.0/src/runtime/task/harness.rs:473:18
[INFO] [stdout]   14: tokio::runtime::task::harness::Harness<T,S>::poll_inner
[INFO] [stdout]              at /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/tokio-1.37.0/src/runtime/task/harness.rs:208:27
[INFO] [stdout]   15: tokio::runtime::task::harness::Harness<T,S>::poll
[INFO] [stdout]              at /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/tokio-1.37.0/src/runtime/task/harness.rs:153:15
[INFO] [stdout]   16: tokio::runtime::task::raw::poll
[INFO] [stdout]              at /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/tokio-1.37.0/src/runtime/task/raw.rs:271:5
[INFO] [stdout]   17: tokio::runtime::task::raw::RawTask::poll
[INFO] [stdout]              at /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/tokio-1.37.0/src/runtime/task/raw.rs:201:18
[INFO] [stdout]   18: tokio::runtime::task::UnownedTask<S>::run
[INFO] [stdout]              at /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/tokio-1.37.0/src/runtime/task/mod.rs:464:9
[INFO] [stdout]   19: tokio::runtime::blocking::pool::Task::run
[INFO] [stdout]              at /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/tokio-1.37.0/src/runtime/blocking/pool.rs:159:9
[INFO] [stdout]   20: tokio::runtime::blocking::pool::Inner::run
[INFO] [stdout]              at /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/tokio-1.37.0/src/runtime/blocking/pool.rs:513:17
[INFO] [stdout]   21: tokio::runtime::blocking::pool::Spawner::spawn_thread::{{closure}}
[INFO] [stdout]              at /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/tokio-1.37.0/src/runtime/blocking/pool.rs:471:13
[INFO] [stdout]   22: std::sys_common::backtrace::__rust_begin_short_backtrace
[INFO] [stdout]              at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/std/src/sys_common/backtrace.rs:155:18
[INFO] [stdout]   23: std::thread::Builder::spawn_unchecked_::{{closure}}::{{closure}}
[INFO] [stdout]              at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/std/src/thread/mod.rs:542:17
[INFO] [stdout]   24: <core::panic::unwind_safe::AssertUnwindSafe<F> as core::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]              at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/core/src/panic/unwind_safe.rs:272:9
[INFO] [stdout]   25: std::panicking::try::do_call
[INFO] [stdout]              at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/std/src/panicking.rs:559:40
[INFO] [stdout]   26: __rust_try
[INFO] [stdout]   27: std::panicking::try
[INFO] [stdout]              at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/std/src/panicking.rs:523:19
[INFO] [stdout]   28: std::panic::catch_unwind
[INFO] [stdout]              at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/std/src/panic.rs:149:14
[INFO] [stdout]   29: std::thread::Builder::spawn_unchecked_::{{closure}}
[INFO] [stdout]              at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/std/src/thread/mod.rs:541:30
[INFO] [stdout]   30: core::ops::function::FnOnce::call_once{{vtable.shim}}
[INFO] [stdout]              at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   31: <alloc::boxed::Box<F,A> as core::ops::function::FnOnce<Args>>::call_once
[INFO] [stdout]              at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/alloc/src/boxed.rs:2022:9
[INFO] [stdout]   32: <alloc::boxed::Box<F,A> as core::ops::function::FnOnce<Args>>::call_once
[INFO] [stdout]              at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/alloc/src/boxed.rs:2022:9
[INFO] [stdout]   33: std::sys::pal::unix::thread::Thread::new::thread_start
[INFO] [stdout]              at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/std/src/sys/pal/unix/thread.rs:108:17
[INFO] [stdout]   34: <unknown>
[INFO] [stdout]   35: __clone
[INFO] [stdout] stack backtrace:
[INFO] [stdout]    0:     0x5567fa98e315 - std::backtrace_rs::backtrace::libunwind::trace::h59d96bdb08384354
[INFO] [stdout]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/std/src/../../backtrace/src/backtrace/libunwind.rs:105:5
[INFO] [stdout]    1:     0x5567fa98e315 - std::backtrace_rs::backtrace::trace_unsynchronized::h9cf5becacfc93fba
[INFO] [stdout]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/std/src/../../backtrace/src/backtrace/mod.rs:66:5
[INFO] [stdout]    2:     0x5567fa98e315 - std::sys_common::backtrace::_print_fmt::h10b76d10405dbd48
[INFO] [stdout]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/std/src/sys_common/backtrace.rs:68:5
[INFO] [stdout]    3:     0x5567fa98e315 - <std::sys_common::backtrace::_print::DisplayBacktrace as core::fmt::Display>::fmt::h6ed9e62a156d84e4
[INFO] [stdout]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/std/src/sys_common/backtrace.rs:44:22
[INFO] [stdout]    4:     0x5567fa9b767b - core::fmt::rt::Argument::fmt::h645c680983f03c9f
[INFO] [stdout]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/core/src/fmt/rt.rs:165:63
[INFO] [stdout]    5:     0x5567fa9b767b - core::fmt::write::h8bcd80919a02be29
[INFO] [stdout]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/core/src/fmt/mod.rs:1169:21
[INFO] [stdout]    6:     0x5567fa98b51f - std::io::Write::write_fmt::h8d0c47c662cad79c
[INFO] [stdout]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/std/src/io/mod.rs:1835:15
[INFO] [stdout]    7:     0x5567fa98e0ee - std::sys_common::backtrace::_print::h6306f131a28d62b0
[INFO] [stdout]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/std/src/sys_common/backtrace.rs:47:5
[INFO] [stdout]    8:     0x5567fa98e0ee - std::sys_common::backtrace::print::h7079288e0a26dfcc
[INFO] [stdout]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/std/src/sys_common/backtrace.rs:34:9
[INFO] [stdout]    9:     0x5567fa98fb19 - std::panicking::default_hook::{{closure}}::hb063ecec81a736ba
[INFO] [stdout]   10:     0x5567fa98f7de - std::panicking::default_hook::hd56ee406bf547b5c
[INFO] [stdout]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/std/src/panicking.rs:295:9
[INFO] [stdout]   11:     0x5567fa79cf5a - <alloc::boxed::Box<F,A> as core::ops::function::Fn<Args>>::call::he5eacdef44c8728f
[INFO] [stdout]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/alloc/src/boxed.rs:2036:9
[INFO] [stdout]   12:     0x5567fa79cf5a - test::test_main::{{closure}}::h0ec9aed229e79095
[INFO] [stdout]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/test/src/lib.rs:137:21
[INFO] [stdout]   13:     0x5567fa99011b - <alloc::boxed::Box<F,A> as core::ops::function::Fn<Args>>::call::hcbd0d80e1ad4e4f9
[INFO] [stdout]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/alloc/src/boxed.rs:2036:9
[INFO] [stdout]   14:     0x5567fa99011b - std::panicking::rust_panic_with_hook::h624aa3ca42ebb8f2
[INFO] [stdout]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/std/src/panicking.rs:799:13
[INFO] [stdout]   15:     0x5567fa98fe94 - std::panicking::begin_panic_handler::{{closure}}::hbc4e76194a5e287c
[INFO] [stdout]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/std/src/panicking.rs:664:13
[INFO] [stdout]   16:     0x5567fa98e7d9 - std::sys_common::backtrace::__rust_end_short_backtrace::h847fedc9d1ff7b6d
[INFO] [stdout]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/std/src/sys_common/backtrace.rs:171:18
[INFO] [stdout]   17:     0x5567fa98fbc7 - rust_begin_unwind
[INFO] [stdout]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/std/src/panicking.rs:652:5
[INFO] [stdout]   18:     0x5567fa4f72d3 - core::panicking::panic_fmt::hec11a924b87ce965
[INFO] [stdout]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/core/src/panicking.rs:72:14
[INFO] [stdout]   19:     0x5567fa4f7826 - core::result::unwrap_failed::h382691b96ca8c13a
[INFO] [stdout]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/core/src/result.rs:1654:5
[INFO] [stdout]   20:     0x5567fa74823a - core::result::Result<T,E>::unwrap::hf3b0b9adefa17504
[INFO] [stdout]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/core/src/result.rs:1077:23
[INFO] [stdout]   21:     0x5567fa74823a - maelstrom_layer_fs::tests::Fixture::mount::{{closure}}::h688ac20af9e777e3
[INFO] [stdout]                                at /opt/rustwide/workdir/src/lib.rs:1175:13
[INFO] [stdout]   22:     0x5567fa74fe53 - maelstrom_layer_fs::tests::two_layer_test::{{closure}}::h017a495aaa6bd521
[INFO] [stdout]                                at /opt/rustwide/workdir/src/lib.rs:1537:48
[INFO] [stdout]   23:     0x5567fa75e94b - maelstrom_layer_fs::tests::two_layer_large_upper_dir::{{closure}}::h9bdfa47c5b66f14d
[INFO] [stdout]                                at /opt/rustwide/workdir/src/lib.rs:1630:10
[INFO] [stdout]   24:     0x5567fa599dc2 - <core::pin::Pin<P> as core::future::future::Future>::poll::h58377329fe1be409
[INFO] [stdout]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/core/src/future/future.rs:123:9
[INFO] [stdout]   25:     0x5567fa599e5d - <core::pin::Pin<P> as core::future::future::Future>::poll::h9848842023914f90
[INFO] [stdout]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/core/src/future/future.rs:123:9
[INFO] [stdout]   26:     0x5567fa712bcf - tokio::runtime::scheduler::current_thread::CoreGuard::block_on::{{closure}}::{{closure}}::{{closure}}::hac502fe9d0c8ca72
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/tokio-1.37.0/src/runtime/scheduler/current_thread/mod.rs:659:57
[INFO] [stdout]   27:     0x5567fa712b15 - tokio::runtime::coop::with_budget::h5772473feedf75e6
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/tokio-1.37.0/src/runtime/coop.rs:107:5
[INFO] [stdout]   28:     0x5567fa712b15 - tokio::runtime::coop::budget::h1cedff380d0d76fe
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/tokio-1.37.0/src/runtime/coop.rs:73:5
[INFO] [stdout]   29:     0x5567fa712b15 - tokio::runtime::scheduler::current_thread::CoreGuard::block_on::{{closure}}::{{closure}}::h8c4e90f535c36b70
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/tokio-1.37.0/src/runtime/scheduler/current_thread/mod.rs:659:25
[INFO] [stdout]   30:     0x5567fa7118e0 - tokio::runtime::scheduler::current_thread::Context::enter::ha7498cf055706cab
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/tokio-1.37.0/src/runtime/scheduler/current_thread/mod.rs:404:19
[INFO] [stdout]   31:     0x5567fa71238b - tokio::runtime::scheduler::current_thread::CoreGuard::block_on::{{closure}}::h2b9b5f0577e897e9
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/tokio-1.37.0/src/runtime/scheduler/current_thread/mod.rs:658:36
[INFO] [stderr] error: test failed, to rerun pass `--lib`
[INFO] [stdout]   32:     0x5567fa712104 - tokio::runtime::scheduler::current_thread::CoreGuard::enter::{{closure}}::h56418ae36458e166
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/tokio-1.37.0/src/runtime/scheduler/current_thread/mod.rs:737:68
[INFO] [stdout]   33:     0x5567fa61277b - tokio::runtime::context::scoped::Scoped<T>::set::h7aa088ea4c80d610
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/tokio-1.37.0/src/runtime/context/scoped.rs:40:9
[INFO] [stdout]   34:     0x5567fa637809 - tokio::runtime::context::set_scheduler::{{closure}}::h94afc82b84f19872
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/tokio-1.37.0/src/runtime/context.rs:176:26
[INFO] [stdout]   35:     0x5567fa736ae0 - std::thread::local::LocalKey<T>::try_with::ha55e4718acbc58e5
[INFO] [stdout]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/std/src/thread/local.rs:286:12
[INFO] [stdout]   36:     0x5567fa7357da - std::thread::local::LocalKey<T>::with::h6754b1d50501e148
[INFO] [stdout]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/std/src/thread/local.rs:262:9
[INFO] [stdout]   37:     0x5567fa6377bd - tokio::runtime::context::set_scheduler::ha0fadfb0270ced03
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/tokio-1.37.0/src/runtime/context.rs:176:9
[INFO] [stdout]   38:     0x5567fa711eb0 - tokio::runtime::scheduler::current_thread::CoreGuard::enter::h387c7036b2984b21
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/tokio-1.37.0/src/runtime/scheduler/current_thread/mod.rs:737:27
[INFO] [stdout]   39:     0x5567fa712123 - tokio::runtime::scheduler::current_thread::CoreGuard::block_on::h3b5a535448cb2a21
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/tokio-1.37.0/src/runtime/scheduler/current_thread/mod.rs:646:19
[INFO] [stdout]   40:     0x5567fa70edcd - tokio::runtime::scheduler::current_thread::CurrentThread::block_on::{{closure}}::h1f48cb6748fafaa3
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/tokio-1.37.0/src/runtime/scheduler/current_thread/mod.rs:175:28
[INFO] [stdout]   41:     0x5567fa6128f6 - tokio::runtime::context::runtime::enter_runtime::h846190051fdbaffa
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/tokio-1.37.0/src/runtime/context/runtime.rs:65:16
[INFO] [stdout]   42:     0x5567fa70ece1 - tokio::runtime::scheduler::current_thread::CurrentThread::block_on::hcf7c6cc1d46a8f78
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/tokio-1.37.0/src/runtime/scheduler/current_thread/mod.rs:167:9
[INFO] [stdout]   43:     0x5567fa5998dd - tokio::runtime::runtime::Runtime::block_on::h6348c955ebacc02c
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/tokio-1.37.0/src/runtime/runtime.rs:349:47
[INFO] [stdout]   44:     0x5567fa75e170 - maelstrom_layer_fs::tests::two_layer_large_upper_dir::h57dc59b7716e215c
[INFO] [stdout]                                at /opt/rustwide/workdir/src/lib.rs:1622:9
[INFO] [stdout]   45:     0x5567fa75e007 - maelstrom_layer_fs::tests::two_layer_large_upper_dir::{{closure}}::hb54057688dbbbc64
[INFO] [stdout]                                at /opt/rustwide/workdir/src/lib.rs:1621:41
[INFO] [stdout]   46:     0x5567fa4f94f6 - core::ops::function::FnOnce::call_once::h47f57ef3e779c642
[INFO] [stdout]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   47:     0x5567fa7a193b - core::ops::function::FnOnce::call_once::h2e43a8f6f3d94b99
[INFO] [stdout]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   48:     0x5567fa7a193b - test::__rust_begin_short_backtrace::h214c9f2d2d3fee90
[INFO] [stdout]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/test/src/lib.rs:625:18
[INFO] [stdout]   49:     0x5567fa7a1041 - test::run_test_in_process::{{closure}}::h510b7ba7990692a5
[INFO] [stdout]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/test/src/lib.rs:648:60
[INFO] [stdout]   50:     0x5567fa7a1041 - <core::panic::unwind_safe::AssertUnwindSafe<F> as core::ops::function::FnOnce<()>>::call_once::h4157186197a93871
[INFO] [stdout]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/core/src/panic/unwind_safe.rs:272:9
[INFO] [stdout]   51:     0x5567fa7a1041 - std::panicking::try::do_call::h1bf2463bccd4b28c
[INFO] [stdout]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/std/src/panicking.rs:559:40
[INFO] [stdout]   52:     0x5567fa7a1041 - std::panicking::try::hd6d4808c9fab4fa5
[INFO] [stdout]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/std/src/panicking.rs:523:19
[INFO] [stdout]   53:     0x5567fa7a1041 - std::panic::catch_unwind::hd5641d97d123f9f2
[INFO] [stdout]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/std/src/panic.rs:149:14
[INFO] [stdout]   54:     0x5567fa7a1041 - test::run_test_in_process::hc273b71c8b878a4c
[INFO] [stdout]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/test/src/lib.rs:648:27
[INFO] [stdout]   55:     0x5567fa7a1041 - test::run_test::{{closure}}::h6838df834eb8467e
[INFO] [stdout]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/test/src/lib.rs:569:43
[INFO] [stdout]   56:     0x5567fa769a04 - test::run_test::{{closure}}::h608b98ecff5665fb
[INFO] [stdout]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/test/src/lib.rs:599:41
[INFO] [stdout]   57:     0x5567fa769a04 - std::sys_common::backtrace::__rust_begin_short_backtrace::hdc4182b97d1042e9
[INFO] [stdout]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/std/src/sys_common/backtrace.rs:155:18
[INFO] [stdout]   58:     0x5567fa76e432 - std::thread::Builder::spawn_unchecked_::{{closure}}::{{closure}}::h571773fd21d674c8
[INFO] [stdout]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/std/src/thread/mod.rs:542:17
[INFO] [stdout]   59:     0x5567fa76e432 - <core::panic::unwind_safe::AssertUnwindSafe<F> as core::ops::function::FnOnce<()>>::call_once::hdcd384cf2fa70ba3
[INFO] [stdout]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/core/src/panic/unwind_safe.rs:272:9
[INFO] [stdout]   60:     0x5567fa76e432 - std::panicking::try::do_call::h4f1a44bd81423be1
[INFO] [stdout]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/std/src/panicking.rs:559:40
[INFO] [stdout]   61:     0x5567fa76e432 - std::panicking::try::h5e02afcb81dcd361
[INFO] [stdout]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/std/src/panicking.rs:523:19
[INFO] [stdout]   62:     0x5567fa76e432 - std::panic::catch_unwind::h022f75775bfd8c45
[INFO] [stdout]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/std/src/panic.rs:149:14
[INFO] [stdout]   63:     0x5567fa76e432 - std::thread::Builder::spawn_unchecked_::{{closure}}::hf5a62e9e4e6df1f8
[INFO] [stdout]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/std/src/thread/mod.rs:541:30
[INFO] [stdout]   64:     0x5567fa76e432 - core::ops::function::FnOnce::call_once{{vtable.shim}}::h6d56360aeb9509a7
[INFO] [stdout]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   65:     0x5567fa995cab - <alloc::boxed::Box<F,A> as core::ops::function::FnOnce<Args>>::call_once::h7a343dc551c06baa
[INFO] [stdout]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/alloc/src/boxed.rs:2022:9
[INFO] [stdout]   66:     0x5567fa995cab - <alloc::boxed::Box<F,A> as core::ops::function::FnOnce<Args>>::call_once::h30b8111cbaa644f3
[INFO] [stdout]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/alloc/src/boxed.rs:2022:9
[INFO] [stdout]   67:     0x5567fa995cab - std::sys::pal::unix::thread::Thread::new::thread_start::h7404e134e61e7a11
[INFO] [stdout]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/std/src/sys/pal/unix/thread.rs:108:17
[INFO] [stdout]   68:     0x7f8ed1606ac3 - <unknown>
[INFO] [stdout]   69:     0x7f8ed1697a04 - __clone
[INFO] [stdout]   70:                0x0 - <unknown>
[INFO] [stdout] 
[INFO] [stdout] ---- tests::two_layer_with_whiteout_of_file stdout ----
[INFO] [stdout] May 25 05:23:32.012 DEBG mounting FUSE file-system in namespace
[INFO] [stdout] thread 'tests::two_layer_with_whiteout_of_file' panicked at src/lib.rs:1178:18:
[INFO] [stdout] called `Result::unwrap()` on an `Err` value: ENOSYS: Function not implemented
[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/index.crates.io-6f17d22bba15001f/anyhow-1.0.82/src/backtrace.rs:27:14
[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/1871252fc8bb672d40787e67404e6eaae7059369/library/core/src/result.rs:1964:27
[INFO] [stdout]    2: maelstrom_fuse::fuse_mount_namespace::{{closure}}::{{closure}}
[INFO] [stdout]              at /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/maelstrom-fuse-0.8.0/src/lib.rs:127:27
[INFO] [stdout]    3: <tokio::runtime::blocking::task::BlockingTask<T> as core::future::future::Future>::poll
[INFO] [stdout]              at /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/tokio-1.37.0/src/runtime/blocking/task.rs:42:21
[INFO] [stdout]    4: tokio::runtime::task::core::Core<T,S>::poll::{{closure}}
[INFO] [stdout]              at /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/tokio-1.37.0/src/runtime/task/core.rs:328:17
[INFO] [stdout]    5: tokio::loom::std::unsafe_cell::UnsafeCell<T>::with_mut
[INFO] [stdout]              at /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/tokio-1.37.0/src/loom/std/unsafe_cell.rs:16:9
[INFO] [stdout]    6: tokio::runtime::task::core::Core<T,S>::poll
[INFO] [stdout]              at /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/tokio-1.37.0/src/runtime/task/core.rs:317:13
[INFO] [stdout]    7: tokio::runtime::task::harness::poll_future::{{closure}}
[INFO] [stdout]              at /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/tokio-1.37.0/src/runtime/task/harness.rs:485:19
[INFO] [stdout]    8: <core::panic::unwind_safe::AssertUnwindSafe<F> as core::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]              at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/core/src/panic/unwind_safe.rs:272:9
[INFO] [stdout]    9: std::panicking::try::do_call
[INFO] [stdout]              at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/std/src/panicking.rs:559:40
[INFO] [stdout]   10: __rust_try
[INFO] [stdout]   11: std::panicking::try
[INFO] [stdout]              at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/std/src/panicking.rs:523:19
[INFO] [stdout]   12: std::panic::catch_unwind
[INFO] [stdout]              at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/std/src/panic.rs:149:14
[INFO] [stdout]   13: tokio::runtime::task::harness::poll_future
[INFO] [stdout]              at /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/tokio-1.37.0/src/runtime/task/harness.rs:473:18
[INFO] [stdout]   14: tokio::runtime::task::harness::Harness<T,S>::poll_inner
[INFO] [stdout]              at /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/tokio-1.37.0/src/runtime/task/harness.rs:208:27
[INFO] [stdout]   15: tokio::runtime::task::harness::Harness<T,S>::poll
[INFO] [stdout]              at /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/tokio-1.37.0/src/runtime/task/harness.rs:153:15
[INFO] [stdout]   16: tokio::runtime::task::raw::poll
[INFO] [stdout]              at /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/tokio-1.37.0/src/runtime/task/raw.rs:271:5
[INFO] [stdout]   17: tokio::runtime::task::raw::RawTask::poll
[INFO] [stdout]              at /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/tokio-1.37.0/src/runtime/task/raw.rs:201:18
[INFO] [stdout]   18: tokio::runtime::task::UnownedTask<S>::run
[INFO] [stdout]              at /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/tokio-1.37.0/src/runtime/task/mod.rs:464:9
[INFO] [stdout]   19: tokio::runtime::blocking::pool::Task::run
[INFO] [stdout]              at /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/tokio-1.37.0/src/runtime/blocking/pool.rs:159:9
[INFO] [stdout]   20: tokio::runtime::blocking::pool::Inner::run
[INFO] [stdout]              at /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/tokio-1.37.0/src/runtime/blocking/pool.rs:513:17
[INFO] [stdout]   21: tokio::runtime::blocking::pool::Spawner::spawn_thread::{{closure}}
[INFO] [stdout]              at /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/tokio-1.37.0/src/runtime/blocking/pool.rs:471:13
[INFO] [stdout]   22: std::sys_common::backtrace::__rust_begin_short_backtrace
[INFO] [stdout]              at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/std/src/sys_common/backtrace.rs:155:18
[INFO] [stdout]   23: std::thread::Builder::spawn_unchecked_::{{closure}}::{{closure}}
[INFO] [stdout]              at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/std/src/thread/mod.rs:542:17
[INFO] [stdout]   24: <core::panic::unwind_safe::AssertUnwindSafe<F> as core::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]              at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/core/src/panic/unwind_safe.rs:272:9
[INFO] [stdout]   25: std::panicking::try::do_call
[INFO] [stdout]              at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/std/src/panicking.rs:559:40
[INFO] [stdout]   26: __rust_try
[INFO] [stdout]   27: std::panicking::try
[INFO] [stdout]              at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/std/src/panicking.rs:523:19
[INFO] [stdout]   28: std::panic::catch_unwind
[INFO] [stdout]              at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/std/src/panic.rs:149:14
[INFO] [stdout]   29: std::thread::Builder::spawn_unchecked_::{{closure}}
[INFO] [stdout]              at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/std/src/thread/mod.rs:541:30
[INFO] [stdout]   30: core::ops::function::FnOnce::call_once{{vtable.shim}}
[INFO] [stdout]              at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   31: <alloc::boxed::Box<F,A> as core::ops::function::FnOnce<Args>>::call_once
[INFO] [stdout]              at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/alloc/src/boxed.rs:2022:9
[INFO] [stdout]   32: <alloc::boxed::Box<F,A> as core::ops::function::FnOnce<Args>>::call_once
[INFO] [stdout]              at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/alloc/src/boxed.rs:2022:9
[INFO] [stdout]   33: std::sys::pal::unix::thread::Thread::new::thread_start
[INFO] [stdout]              at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/std/src/sys/pal/unix/thread.rs:108:17
[INFO] [stdout]   34: <unknown>
[INFO] [stdout]   35: __clone
[INFO] [stdout] stack backtrace:
[INFO] [stdout]    0:     0x5567fa98e315 - std::backtrace_rs::backtrace::libunwind::trace::h59d96bdb08384354
[INFO] [stdout]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/std/src/../../backtrace/src/backtrace/libunwind.rs:105:5
[INFO] [stdout]    1:     0x5567fa98e315 - std::backtrace_rs::backtrace::trace_unsynchronized::h9cf5becacfc93fba
[INFO] [stdout]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/std/src/../../backtrace/src/backtrace/mod.rs:66:5
[INFO] [stdout]    2:     0x5567fa98e315 - std::sys_common::backtrace::_print_fmt::h10b76d10405dbd48
[INFO] [stdout]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/std/src/sys_common/backtrace.rs:68:5
[INFO] [stdout]    3:     0x5567fa98e315 - <std::sys_common::backtrace::_print::DisplayBacktrace as core::fmt::Display>::fmt::h6ed9e62a156d84e4
[INFO] [stdout]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/std/src/sys_common/backtrace.rs:44:22
[INFO] [stdout]    4:     0x5567fa9b767b - core::fmt::rt::Argument::fmt::h645c680983f03c9f
[INFO] [stdout]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/core/src/fmt/rt.rs:165:63
[INFO] [stdout]    5:     0x5567fa9b767b - core::fmt::write::h8bcd80919a02be29
[INFO] [stdout]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/core/src/fmt/mod.rs:1169:21
[INFO] [stdout]    6:     0x5567fa98b51f - std::io::Write::write_fmt::h8d0c47c662cad79c
[INFO] [stdout]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/std/src/io/mod.rs:1835:15
[INFO] [stdout]    7:     0x5567fa98e0ee - std::sys_common::backtrace::_print::h6306f131a28d62b0
[INFO] [stdout]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/std/src/sys_common/backtrace.rs:47:5
[INFO] [stdout]    8:     0x5567fa98e0ee - std::sys_common::backtrace::print::h7079288e0a26dfcc
[INFO] [stdout]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/std/src/sys_common/backtrace.rs:34:9
[INFO] [stdout]    9:     0x5567fa98fb19 - std::panicking::default_hook::{{closure}}::hb063ecec81a736ba
[INFO] [stdout]   10:     0x5567fa98f7de - std::panicking::default_hook::hd56ee406bf547b5c
[INFO] [stdout]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/std/src/panicking.rs:295:9
[INFO] [stdout]   11:     0x5567fa79cf5a - <alloc::boxed::Box<F,A> as core::ops::function::Fn<Args>>::call::he5eacdef44c8728f
[INFO] [stdout]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/alloc/src/boxed.rs:2036:9
[INFO] [stdout]   12:     0x5567fa79cf5a - test::test_main::{{closure}}::h0ec9aed229e79095
[INFO] [stdout]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/test/src/lib.rs:137:21
[INFO] [stdout]   13:     0x5567fa99011b - <alloc::boxed::Box<F,A> as core::ops::function::Fn<Args>>::call::hcbd0d80e1ad4e4f9
[INFO] [stdout]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/alloc/src/boxed.rs:2036:9
[INFO] [stdout]   14:     0x5567fa99011b - std::panicking::rust_panic_with_hook::h624aa3ca42ebb8f2
[INFO] [stdout]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/std/src/panicking.rs:799:13
[INFO] [stdout]   15:     0x5567fa98fe94 - std::panicking::begin_panic_handler::{{closure}}::hbc4e76194a5e287c
[INFO] [stdout]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/std/src/panicking.rs:664:13
[INFO] [stdout]   16:     0x5567fa98e7d9 - std::sys_common::backtrace::__rust_end_short_backtrace::h847fedc9d1ff7b6d
[INFO] [stdout]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/std/src/sys_common/backtrace.rs:171:18
[INFO] [stdout]   17:     0x5567fa98fbc7 - rust_begin_unwind
[INFO] [stdout]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/std/src/panicking.rs:652:5
[INFO] [stdout]   18:     0x5567fa4f72d3 - core::panicking::panic_fmt::hec11a924b87ce965
[INFO] [stdout]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/core/src/panicking.rs:72:14
[INFO] [stdout]   19:     0x5567fa4f7826 - core::result::unwrap_failed::h382691b96ca8c13a
[INFO] [stdout]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/core/src/result.rs:1654:5
[INFO] [stdout]   20:     0x5567fa74823a - core::result::Result<T,E>::unwrap::hf3b0b9adefa17504
[INFO] [stdout]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/core/src/result.rs:1077:23
[INFO] [stdout]   21:     0x5567fa74823a - maelstrom_layer_fs::tests::Fixture::mount::{{closure}}::h688ac20af9e777e3
[INFO] [stdout]                                at /opt/rustwide/workdir/src/lib.rs:1175:13
[INFO] [stdout]   22:     0x5567fa74fe53 - maelstrom_layer_fs::tests::two_layer_test::{{closure}}::h017a495aaa6bd521
[INFO] [stdout]                                at /opt/rustwide/workdir/src/lib.rs:1537:48
[INFO] [stdout]   23:     0x5567fa7619ad - maelstrom_layer_fs::tests::two_layer_with_whiteout_of_file::{{closure}}::h3e99776ab50c20c2
[INFO] [stdout]                                at /opt/rustwide/workdir/src/lib.rs:1687:10
[INFO] [stdout]   24:     0x5567fa599dc2 - <core::pin::Pin<P> as core::future::future::Future>::poll::h58377329fe1be409
[INFO] [stdout]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/core/src/future/future.rs:123:9
[INFO] [stdout]   25:     0x5567fa599e5d - <core::pin::Pin<P> as core::future::future::Future>::poll::h9848842023914f90
[INFO] [stdout]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/core/src/future/future.rs:123:9
[INFO] [stdout]   26:     0x5567fa712bcf - tokio::runtime::scheduler::current_thread::CoreGuard::block_on::{{closure}}::{{closure}}::{{closure}}::hac502fe9d0c8ca72
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/tokio-1.37.0/src/runtime/scheduler/current_thread/mod.rs:659:57
[INFO] [stdout]   27:     0x5567fa712b15 - tokio::runtime::coop::with_budget::h5772473feedf75e6
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/tokio-1.37.0/src/runtime/coop.rs:107:5
[INFO] [stdout]   28:     0x5567fa712b15 - tokio::runtime::coop::budget::h1cedff380d0d76fe
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/tokio-1.37.0/src/runtime/coop.rs:73:5
[INFO] [stdout]   29:     0x5567fa712b15 - tokio::runtime::scheduler::current_thread::CoreGuard::block_on::{{closure}}::{{closure}}::h8c4e90f535c36b70
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/tokio-1.37.0/src/runtime/scheduler/current_thread/mod.rs:659:25
[INFO] [stdout]   30:     0x5567fa7118e0 - tokio::runtime::scheduler::current_thread::Context::enter::ha7498cf055706cab
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/tokio-1.37.0/src/runtime/scheduler/current_thread/mod.rs:404:19
[INFO] [stdout]   31:     0x5567fa71238b - tokio::runtime::scheduler::current_thread::CoreGuard::block_on::{{closure}}::h2b9b5f0577e897e9
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/tokio-1.37.0/src/runtime/scheduler/current_thread/mod.rs:658:36
[INFO] [stdout]   32:     0x5567fa712104 - tokio::runtime::scheduler::current_thread::CoreGuard::enter::{{closure}}::h56418ae36458e166
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/tokio-1.37.0/src/runtime/scheduler/current_thread/mod.rs:737:68
[INFO] [stdout]   33:     0x5567fa61277b - tokio::runtime::context::scoped::Scoped<T>::set::h7aa088ea4c80d610
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/tokio-1.37.0/src/runtime/context/scoped.rs:40:9
[INFO] [stdout]   34:     0x5567fa637809 - tokio::runtime::context::set_scheduler::{{closure}}::h94afc82b84f19872
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/tokio-1.37.0/src/runtime/context.rs:176:26
[INFO] [stdout]   35:     0x5567fa736ae0 - std::thread::local::LocalKey<T>::try_with::ha55e4718acbc58e5
[INFO] [stdout]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/std/src/thread/local.rs:286:12
[INFO] [stdout]   36:     0x5567fa7357da - std::thread::local::LocalKey<T>::with::h6754b1d50501e148
[INFO] [stdout]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/std/src/thread/local.rs:262:9
[INFO] [stdout]   37:     0x5567fa6377bd - tokio::runtime::context::set_scheduler::ha0fadfb0270ced03
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/tokio-1.37.0/src/runtime/context.rs:176:9
[INFO] [stdout]   38:     0x5567fa711eb0 - tokio::runtime::scheduler::current_thread::CoreGuard::enter::h387c7036b2984b21
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/tokio-1.37.0/src/runtime/scheduler/current_thread/mod.rs:737:27
[INFO] [stdout]   39:     0x5567fa712123 - tokio::runtime::scheduler::current_thread::CoreGuard::block_on::h3b5a535448cb2a21
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/tokio-1.37.0/src/runtime/scheduler/current_thread/mod.rs:646:19
[INFO] [stdout]   40:     0x5567fa70edcd - tokio::runtime::scheduler::current_thread::CurrentThread::block_on::{{closure}}::h1f48cb6748fafaa3
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/tokio-1.37.0/src/runtime/scheduler/current_thread/mod.rs:175:28
[INFO] [stdout]   41:     0x5567fa6128f6 - tokio::runtime::context::runtime::enter_runtime::h846190051fdbaffa
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/tokio-1.37.0/src/runtime/context/runtime.rs:65:16
[INFO] [stdout]   42:     0x5567fa70ece1 - tokio::runtime::scheduler::current_thread::CurrentThread::block_on::hcf7c6cc1d46a8f78
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/tokio-1.37.0/src/runtime/scheduler/current_thread/mod.rs:167:9
[INFO] [stdout]   43:     0x5567fa5998dd - tokio::runtime::runtime::Runtime::block_on::h6348c955ebacc02c
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/tokio-1.37.0/src/runtime/runtime.rs:349:47
[INFO] [stdout]   44:     0x5567fa761020 - maelstrom_layer_fs::tests::two_layer_with_whiteout_of_file::hc5d7dbaa1a72513b
[INFO] [stdout]                                at /opt/rustwide/workdir/src/lib.rs:1678:9
[INFO] [stdout]   45:     0x5567fa760eb7 - maelstrom_layer_fs::tests::two_layer_with_whiteout_of_file::{{closure}}::hbf2722da2bfaddf4
[INFO] [stdout]                                at /opt/rustwide/workdir/src/lib.rs:1677:47
[INFO] [stdout]   46:     0x5567fa4fbb76 - core::ops::function::FnOnce::call_once::hc6d66a1b025e4f54
[INFO] [stdout]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   47:     0x5567fa7a193b - core::ops::function::FnOnce::call_once::h2e43a8f6f3d94b99
[INFO] [stdout]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   48:     0x5567fa7a193b - test::__rust_begin_short_backtrace::h214c9f2d2d3fee90
[INFO] [stdout]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/test/src/lib.rs:625:18
[INFO] [stdout]   49:     0x5567fa7a1041 - test::run_test_in_process::{{closure}}::h510b7ba7990692a5
[INFO] [stdout]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/test/src/lib.rs:648:60
[INFO] [stdout]   50:     0x5567fa7a1041 - <core::panic::unwind_safe::AssertUnwindSafe<F> as core::ops::function::FnOnce<()>>::call_once::h4157186197a93871
[INFO] [stdout]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/core/src/panic/unwind_safe.rs:272:9
[INFO] [stdout]   51:     0x5567fa7a1041 - std::panicking::try::do_call::h1bf2463bccd4b28c
[INFO] [stdout]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/std/src/panicking.rs:559:40
[INFO] [stdout]   52:     0x5567fa7a1041 - std::panicking::try::hd6d4808c9fab4fa5
[INFO] [stdout]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/std/src/panicking.rs:523:19
[INFO] [stdout]   53:     0x5567fa7a1041 - std::panic::catch_unwind::hd5641d97d123f9f2
[INFO] [stdout]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/std/src/panic.rs:149:14
[INFO] [stdout]   54:     0x5567fa7a1041 - test::run_test_in_process::hc273b71c8b878a4c
[INFO] [stdout]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/test/src/lib.rs:648:27
[INFO] [stdout]   55:     0x5567fa7a1041 - test::run_test::{{closure}}::h6838df834eb8467e
[INFO] [stdout]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/test/src/lib.rs:569:43
[INFO] [stdout]   56:     0x5567fa769a04 - test::run_test::{{closure}}::h608b98ecff5665fb
[INFO] [stdout]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/test/src/lib.rs:599:41
[INFO] [stdout]   57:     0x5567fa769a04 - std::sys_common::backtrace::__rust_begin_short_backtrace::hdc4182b97d1042e9
[INFO] [stdout]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/std/src/sys_common/backtrace.rs:155:18
[INFO] [stdout]   58:     0x5567fa76e432 - std::thread::Builder::spawn_unchecked_::{{closure}}::{{closure}}::h571773fd21d674c8
[INFO] [stdout]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/std/src/thread/mod.rs:542:17
[INFO] [stdout]   59:     0x5567fa76e432 - <core::panic::unwind_safe::AssertUnwindSafe<F> as core::ops::function::FnOnce<()>>::call_once::hdcd384cf2fa70ba3
[INFO] [stdout]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/core/src/panic/unwind_safe.rs:272:9
[INFO] [stdout]   60:     0x5567fa76e432 - std::panicking::try::do_call::h4f1a44bd81423be1
[INFO] [stdout]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/std/src/panicking.rs:559:40
[INFO] [stdout]   61:     0x5567fa76e432 - std::panicking::try::h5e02afcb81dcd361
[INFO] [stdout]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/std/src/panicking.rs:523:19
[INFO] [stdout]   62:     0x5567fa76e432 - std::panic::catch_unwind::h022f75775bfd8c45
[INFO] [stdout]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/std/src/panic.rs:149:14
[INFO] [stdout]   63:     0x5567fa76e432 - std::thread::Builder::spawn_unchecked_::{{closure}}::hf5a62e9e4e6df1f8
[INFO] [stdout]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/std/src/thread/mod.rs:541:30
[INFO] [stdout]   64:     0x5567fa76e432 - core::ops::function::FnOnce::call_once{{vtable.shim}}::h6d56360aeb9509a7
[INFO] [stdout]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   65:     0x5567fa995cab - <alloc::boxed::Box<F,A> as core::ops::function::FnOnce<Args>>::call_once::h7a343dc551c06baa
[INFO] [stdout]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/alloc/src/boxed.rs:2022:9
[INFO] [stdout]   66:     0x5567fa995cab - <alloc::boxed::Box<F,A> as core::ops::function::FnOnce<Args>>::call_once::h30b8111cbaa644f3
[INFO] [stdout]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/alloc/src/boxed.rs:2022:9
[INFO] [stdout]   67:     0x5567fa995cab - std::sys::pal::unix::thread::Thread::new::thread_start::h7404e134e61e7a11
[INFO] [stdout]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/std/src/sys/pal/unix/thread.rs:108:17
[INFO] [stdout]   68:     0x7f8ed1606ac3 - <unknown>
[INFO] [stdout]   69:     0x7f8ed1697a04 - __clone
[INFO] [stdout]   70:                0x0 - <unknown>
[INFO] [stdout] 
[INFO] [stdout] ---- tests::three_layer stdout ----
[INFO] [stdout] May 25 05:23:32.011 DEBG mounting FUSE file-system in namespace
[INFO] [stdout] thread 'tests::three_layer' panicked at src/lib.rs:1178:18:
[INFO] [stdout] called `Result::unwrap()` on an `Err` value: ENOSYS: Function not implemented
[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/index.crates.io-6f17d22bba15001f/anyhow-1.0.82/src/backtrace.rs:27:14
[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/1871252fc8bb672d40787e67404e6eaae7059369/library/core/src/result.rs:1964:27
[INFO] [stdout]    2: maelstrom_fuse::fuse_mount_namespace::{{closure}}::{{closure}}
[INFO] [stdout]              at /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/maelstrom-fuse-0.8.0/src/lib.rs:127:27
[INFO] [stdout]    3: <tokio::runtime::blocking::task::BlockingTask<T> as core::future::future::Future>::poll
[INFO] [stdout]              at /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/tokio-1.37.0/src/runtime/blocking/task.rs:42:21
[INFO] [stdout]    4: tokio::runtime::task::core::Core<T,S>::poll::{{closure}}
[INFO] [stdout]              at /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/tokio-1.37.0/src/runtime/task/core.rs:328:17
[INFO] [stdout]    5: tokio::loom::std::unsafe_cell::UnsafeCell<T>::with_mut
[INFO] [stdout]              at /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/tokio-1.37.0/src/loom/std/unsafe_cell.rs:16:9
[INFO] [stdout]    6: tokio::runtime::task::core::Core<T,S>::poll
[INFO] [stdout]              at /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/tokio-1.37.0/src/runtime/task/core.rs:317:13
[INFO] [stdout]    7: tokio::runtime::task::harness::poll_future::{{closure}}
[INFO] [stdout]              at /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/tokio-1.37.0/src/runtime/task/harness.rs:485:19
[INFO] [stdout]    8: <core::panic::unwind_safe::AssertUnwindSafe<F> as core::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]              at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/core/src/panic/unwind_safe.rs:272:9
[INFO] [stdout]    9: std::panicking::try::do_call
[INFO] [stdout]              at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/std/src/panicking.rs:559:40
[INFO] [stdout]   10: __rust_try
[INFO] [stdout]   11: std::panicking::try
[INFO] [stdout]              at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/std/src/panicking.rs:523:19
[INFO] [stdout]   12: std::panic::catch_unwind
[INFO] [stdout]              at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/std/src/panic.rs:149:14
[INFO] [stdout]   13: tokio::runtime::task::harness::poll_future
[INFO] [stdout]              at /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/tokio-1.37.0/src/runtime/task/harness.rs:473:18
[INFO] [stdout]   14: tokio::runtime::task::harness::Harness<T,S>::poll_inner
[INFO] [stdout]              at /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/tokio-1.37.0/src/runtime/task/harness.rs:208:27
[INFO] [stdout]   15: tokio::runtime::task::harness::Harness<T,S>::poll
[INFO] [stdout]              at /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/tokio-1.37.0/src/runtime/task/harness.rs:153:15
[INFO] [stdout]   16: tokio::runtime::task::raw::poll
[INFO] [stdout]              at /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/tokio-1.37.0/src/runtime/task/raw.rs:271:5
[INFO] [stdout]   17: tokio::runtime::task::raw::RawTask::poll
[INFO] [stdout]              at /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/tokio-1.37.0/src/runtime/task/raw.rs:201:18
[INFO] [stdout]   18: tokio::runtime::task::UnownedTask<S>::run
[INFO] [stdout]              at /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/tokio-1.37.0/src/runtime/task/mod.rs:464:9
[INFO] [stdout]   19: tokio::runtime::blocking::pool::Task::run
[INFO] [stdout]              at /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/tokio-1.37.0/src/runtime/blocking/pool.rs:159:9
[INFO] [stdout]   20: tokio::runtime::blocking::pool::Inner::run
[INFO] [stdout]              at /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/tokio-1.37.0/src/runtime/blocking/pool.rs:513:17
[INFO] [stdout]   21: tokio::runtime::blocking::pool::Spawner::spawn_thread::{{closure}}
[INFO] [stdout]              at /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/tokio-1.37.0/src/runtime/blocking/pool.rs:471:13
[INFO] [stdout]   22: std::sys_common::backtrace::__rust_begin_short_backtrace
[INFO] [stdout]              at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/std/src/sys_common/backtrace.rs:155:18
[INFO] [stdout]   23: std::thread::Builder::spawn_unchecked_::{{closure}}::{{closure}}
[INFO] [stdout]              at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/std/src/thread/mod.rs:542:17
[INFO] [stdout]   24: <core::panic::unwind_safe::AssertUnwindSafe<F> as core::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]              at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/core/src/panic/unwind_safe.rs:272:9
[INFO] [stdout]   25: std::panicking::try::do_call
[INFO] [stdout]              at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/std/src/panicking.rs:559:40
[INFO] [stdout]   26: __rust_try
[INFO] [stdout]   27: std::panicking::try
[INFO] [stdout]              at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/std/src/panicking.rs:523:19
[INFO] [stdout]   28: std::panic::catch_unwind
[INFO] [stdout]              at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/std/src/panic.rs:149:14
[INFO] [stdout]   29: std::thread::Builder::spawn_unchecked_::{{closure}}
[INFO] [stdout]              at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/std/src/thread/mod.rs:541:30
[INFO] [stdout]   30: core::ops::function::FnOnce::call_once{{vtable.shim}}
[INFO] [stdout]              at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   31: <alloc::boxed::Box<F,A> as core::ops::function::FnOnce<Args>>::call_once
[INFO] [stdout]              at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/alloc/src/boxed.rs:2022:9
[INFO] [stdout]   32: <alloc::boxed::Box<F,A> as core::ops::function::FnOnce<Args>>::call_once
[INFO] [stdout]              at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/alloc/src/boxed.rs:2022:9
[INFO] [stdout]   33: std::sys::pal::unix::thread::Thread::new::thread_start
[INFO] [stdout]              at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/std/src/sys/pal/unix/thread.rs:108:17
[INFO] [stdout]   34: <unknown>
[INFO] [stdout]   35: __clone
[INFO] [stdout] stack backtrace:
[INFO] [stdout]    0:     0x5567fa98e315 - std::backtrace_rs::backtrace::libunwind::trace::h59d96bdb08384354
[INFO] [stdout]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/std/src/../../backtrace/src/backtrace/libunwind.rs:105:5
[INFO] [stdout]    1:     0x5567fa98e315 - std::backtrace_rs::backtrace::trace_unsynchronized::h9cf5becacfc93fba
[INFO] [stdout]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/std/src/../../backtrace/src/backtrace/mod.rs:66:5
[INFO] [stdout]    2:     0x5567fa98e315 - std::sys_common::backtrace::_print_fmt::h10b76d10405dbd48
[INFO] [stdout]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/std/src/sys_common/backtrace.rs:68:5
[INFO] [stdout]    3:     0x5567fa98e315 - <std::sys_common::backtrace::_print::DisplayBacktrace as core::fmt::Display>::fmt::h6ed9e62a156d84e4
[INFO] [stdout]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/std/src/sys_common/backtrace.rs:44:22
[INFO] [stdout]    4:     0x5567fa9b767b - core::fmt::rt::Argument::fmt::h645c680983f03c9f
[INFO] [stdout]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/core/src/fmt/rt.rs:165:63
[INFO] [stdout]    5:     0x5567fa9b767b - core::fmt::write::h8bcd80919a02be29
[INFO] [stdout]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/core/src/fmt/mod.rs:1169:21
[INFO] [stdout]    6:     0x5567fa98b51f - std::io::Write::write_fmt::h8d0c47c662cad79c
[INFO] [stdout]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/std/src/io/mod.rs:1835:15
[INFO] [stdout]    7:     0x5567fa98e0ee - std::sys_common::backtrace::_print::h6306f131a28d62b0
[INFO] [stdout]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/std/src/sys_common/backtrace.rs:47:5
[INFO] [stdout]    8:     0x5567fa98e0ee - std::sys_common::backtrace::print::h7079288e0a26dfcc
[INFO] [stdout]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/std/src/sys_common/backtrace.rs:34:9
[INFO] [stdout]    9:     0x5567fa98fb19 - std::panicking::default_hook::{{closure}}::hb063ecec81a736ba
[INFO] [stdout]   10:     0x5567fa98f7de - std::panicking::default_hook::hd56ee406bf547b5c
[INFO] [stdout]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/std/src/panicking.rs:295:9
[INFO] [stdout]   11:     0x5567fa79cf5a - <alloc::boxed::Box<F,A> as core::ops::function::Fn<Args>>::call::he5eacdef44c8728f
[INFO] [stdout]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/alloc/src/boxed.rs:2036:9
[INFO] [stdout]   12:     0x5567fa79cf5a - test::test_main::{{closure}}::h0ec9aed229e79095
[INFO] [stdout]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/test/src/lib.rs:137:21
[INFO] [stdout]   13:     0x5567fa99011b - <alloc::boxed::Box<F,A> as core::ops::function::Fn<Args>>::call::hcbd0d80e1ad4e4f9
[INFO] [stdout]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/alloc/src/boxed.rs:2036:9
[INFO] [stdout]   14:     0x5567fa99011b - std::panicking::rust_panic_with_hook::h624aa3ca42ebb8f2
[INFO] [stdout]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/std/src/panicking.rs:799:13
[INFO] [stdout]   15:     0x5567fa98fe94 - std::panicking::begin_panic_handler::{{closure}}::hbc4e76194a5e287c
[INFO] [stdout]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/std/src/panicking.rs:664:13
[INFO] [stdout]   16:     0x5567fa98e7d9 - std::sys_common::backtrace::__rust_end_short_backtrace::h847fedc9d1ff7b6d
[INFO] [stdout]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/std/src/sys_common/backtrace.rs:171:18
[INFO] [stdout]   17:     0x5567fa98fbc7 - rust_begin_unwind
[INFO] [stdout]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/std/src/panicking.rs:652:5
[INFO] [stdout]   18:     0x5567fa4f72d3 - core::panicking::panic_fmt::hec11a924b87ce965
[INFO] [stdout]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/core/src/panicking.rs:72:14
[INFO] [stdout]   19:     0x5567fa4f7826 - core::result::unwrap_failed::h382691b96ca8c13a
[INFO] [stdout]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/core/src/result.rs:1654:5
[INFO] [stdout]   20:     0x5567fa74823a - core::result::Result<T,E>::unwrap::hf3b0b9adefa17504
[INFO] [stdout]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/core/src/result.rs:1077:23
[INFO] [stdout]   21:     0x5567fa74823a - maelstrom_layer_fs::tests::Fixture::mount::{{closure}}::h688ac20af9e777e3
[INFO] [stdout]                                at /opt/rustwide/workdir/src/lib.rs:1175:13
[INFO] [stdout]   22:     0x5567fa7514a5 - maelstrom_layer_fs::tests::three_layer_test::{{closure}}::h5b6ca4b13ac60a26
[INFO] [stdout]                                at /opt/rustwide/workdir/src/lib.rs:1569:48
[INFO] [stdout]   23:     0x5567fa76480c - maelstrom_layer_fs::tests::three_layer::{{closure}}::h5992a2a4b4efbbef
[INFO] [stdout]                                at /opt/rustwide/workdir/src/lib.rs:1755:10
[INFO] [stdout]   24:     0x5567fa599dc2 - <core::pin::Pin<P> as core::future::future::Future>::poll::h58377329fe1be409
[INFO] [stdout]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/core/src/future/future.rs:123:9
[INFO] [stdout]   25:     0x5567fa599e5d - <core::pin::Pin<P> as core::future::future::Future>::poll::h9848842023914f90
[INFO] [stdout]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/core/src/future/future.rs:123:9
[INFO] [stdout]   26:     0x5567fa712bcf - tokio::runtime::scheduler::current_thread::CoreGuard::block_on::{{closure}}::{{closure}}::{{closure}}::hac502fe9d0c8ca72
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/tokio-1.37.0/src/runtime/scheduler/current_thread/mod.rs:659:57
[INFO] [stdout]   27:     0x5567fa712b15 - tokio::runtime::coop::with_budget::h5772473feedf75e6
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/tokio-1.37.0/src/runtime/coop.rs:107:5
[INFO] [stdout]   28:     0x5567fa712b15 - tokio::runtime::coop::budget::h1cedff380d0d76fe
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/tokio-1.37.0/src/runtime/coop.rs:73:5
[INFO] [stdout]   29:     0x5567fa712b15 - tokio::runtime::scheduler::current_thread::CoreGuard::block_on::{{closure}}::{{closure}}::h8c4e90f535c36b70
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/tokio-1.37.0/src/runtime/scheduler/current_thread/mod.rs:659:25
[INFO] [stdout]   30:     0x5567fa7118e0 - tokio::runtime::scheduler::current_thread::Context::enter::ha7498cf055706cab
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/tokio-1.37.0/src/runtime/scheduler/current_thread/mod.rs:404:19
[INFO] [stdout]   31:     0x5567fa71238b - tokio::runtime::scheduler::current_thread::CoreGuard::block_on::{{closure}}::h2b9b5f0577e897e9
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/tokio-1.37.0/src/runtime/scheduler/current_thread/mod.rs:658:36
[INFO] [stdout]   32:     0x5567fa712104 - tokio::runtime::scheduler::current_thread::CoreGuard::enter::{{closure}}::h56418ae36458e166
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/tokio-1.37.0/src/runtime/scheduler/current_thread/mod.rs:737:68
[INFO] [stdout]   33:     0x5567fa61277b - tokio::runtime::context::scoped::Scoped<T>::set::h7aa088ea4c80d610
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/tokio-1.37.0/src/runtime/context/scoped.rs:40:9
[INFO] [stdout]   34:     0x5567fa637809 - tokio::runtime::context::set_scheduler::{{closure}}::h94afc82b84f19872
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/tokio-1.37.0/src/runtime/context.rs:176:26
[INFO] [stdout]   35:     0x5567fa736ae0 - std::thread::local::LocalKey<T>::try_with::ha55e4718acbc58e5
[INFO] [stdout]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/std/src/thread/local.rs:286:12
[INFO] [stdout]   36:     0x5567fa7357da - std::thread::local::LocalKey<T>::with::h6754b1d50501e148
[INFO] [stdout]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/std/src/thread/local.rs:262:9
[INFO] [stdout]   37:     0x5567fa6377bd - tokio::runtime::context::set_scheduler::ha0fadfb0270ced03
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/tokio-1.37.0/src/runtime/context.rs:176:9
[INFO] [stdout]   38:     0x5567fa711eb0 - tokio::runtime::scheduler::current_thread::CoreGuard::enter::h387c7036b2984b21
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/tokio-1.37.0/src/runtime/scheduler/current_thread/mod.rs:737:27
[INFO] [stdout]   39:     0x5567fa712123 - tokio::runtime::scheduler::current_thread::CoreGuard::block_on::h3b5a535448cb2a21
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/tokio-1.37.0/src/runtime/scheduler/current_thread/mod.rs:646:19
[INFO] [stdout]   40:     0x5567fa70edcd - tokio::runtime::scheduler::current_thread::CurrentThread::block_on::{{closure}}::h1f48cb6748fafaa3
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/tokio-1.37.0/src/runtime/scheduler/current_thread/mod.rs:175:28
[INFO] [stdout]   41:     0x5567fa6128f6 - tokio::runtime::context::runtime::enter_runtime::h846190051fdbaffa
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/tokio-1.37.0/src/runtime/context/runtime.rs:65:16
[INFO] [stdout]   42:     0x5567fa70ece1 - tokio::runtime::scheduler::current_thread::CurrentThread::block_on::hcf7c6cc1d46a8f78
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/tokio-1.37.0/src/runtime/scheduler/current_thread/mod.rs:167:9
[INFO] [stdout]   43:     0x5567fa5998dd - tokio::runtime::runtime::Runtime::block_on::h6348c955ebacc02c
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/tokio-1.37.0/src/runtime/runtime.rs:349:47
[INFO] [stdout]   44:     0x5567fa763ebf - maelstrom_layer_fs::tests::three_layer::hcd549b14e4f6a96b
[INFO] [stdout]                                at /opt/rustwide/workdir/src/lib.rs:1746:9
[INFO] [stdout]   45:     0x5567fa763d47 - maelstrom_layer_fs::tests::three_layer::{{closure}}::h536b30de81d6536a
[INFO] [stdout]                                at /opt/rustwide/workdir/src/lib.rs:1745:27
[INFO] [stdout]   46:     0x5567fa4fb2c6 - core::ops::function::FnOnce::call_once::hac678313c1ca878a
[INFO] [stdout]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   47:     0x5567fa7a193b - core::ops::function::FnOnce::call_once::h2e43a8f6f3d94b99
[INFO] [stdout]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   48:     0x5567fa7a193b - test::__rust_begin_short_backtrace::h214c9f2d2d3fee90
[INFO] [stdout]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/test/src/lib.rs:625:18
[INFO] [stdout]   49:     0x5567fa7a1041 - test::run_test_in_process::{{closure}}::h510b7ba7990692a5
[INFO] [stdout]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/test/src/lib.rs:648:60
[INFO] [stdout]   50:     0x5567fa7a1041 - <core::panic::unwind_safe::AssertUnwindSafe<F> as core::ops::function::FnOnce<()>>::call_once::h4157186197a93871
[INFO] [stdout]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/core/src/panic/unwind_safe.rs:272:9
[INFO] [stdout]   51:     0x5567fa7a1041 - std::panicking::try::do_call::h1bf2463bccd4b28c
[INFO] [stdout]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/std/src/panicking.rs:559:40
[INFO] [stdout]   52:     0x5567fa7a1041 - std::panicking::try::hd6d4808c9fab4fa5
[INFO] [stdout]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/std/src/panicking.rs:523:19
[INFO] [stdout]   53:     0x5567fa7a1041 - std::panic::catch_unwind::hd5641d97d123f9f2
[INFO] [stdout]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/std/src/panic.rs:149:14
[INFO] [stdout]   54:     0x5567fa7a1041 - test::run_test_in_process::hc273b71c8b878a4c
[INFO] [stdout]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/test/src/lib.rs:648:27
[INFO] [stdout]   55:     0x5567fa7a1041 - test::run_test::{{closure}}::h6838df834eb8467e
[INFO] [stdout]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/test/src/lib.rs:569:43
[INFO] [stdout]   56:     0x5567fa769a04 - test::run_test::{{closure}}::h608b98ecff5665fb
[INFO] [stdout]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/test/src/lib.rs:599:41
[INFO] [stdout]   57:     0x5567fa769a04 - std::sys_common::backtrace::__rust_begin_short_backtrace::hdc4182b97d1042e9
[INFO] [stdout]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/std/src/sys_common/backtrace.rs:155:18
[INFO] [stdout]   58:     0x5567fa76e432 - std::thread::Builder::spawn_unchecked_::{{closure}}::{{closure}}::h571773fd21d674c8
[INFO] [stdout]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/std/src/thread/mod.rs:542:17
[INFO] [stdout]   59:     0x5567fa76e432 - <core::panic::unwind_safe::AssertUnwindSafe<F> as core::ops::function::FnOnce<()>>::call_once::hdcd384cf2fa70ba3
[INFO] [stdout]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/core/src/panic/unwind_safe.rs:272:9
[INFO] [stdout]   60:     0x5567fa76e432 - std::panicking::try::do_call::h4f1a44bd81423be1
[INFO] [stdout]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/std/src/panicking.rs:559:40
[INFO] [stdout]   61:     0x5567fa76e432 - std::panicking::try::h5e02afcb81dcd361
[INFO] [stdout]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/std/src/panicking.rs:523:19
[INFO] [stdout]   62:     0x5567fa76e432 - std::panic::catch_unwind::h022f75775bfd8c45
[INFO] [stdout]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/std/src/panic.rs:149:14
[INFO] [stdout]   63:     0x5567fa76e432 - std::thread::Builder::spawn_unchecked_::{{closure}}::hf5a62e9e4e6df1f8
[INFO] [stdout]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/std/src/thread/mod.rs:541:30
[INFO] [stdout]   64:     0x5567fa76e432 - core::ops::function::FnOnce::call_once{{vtable.shim}}::h6d56360aeb9509a7
[INFO] [stdout]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   65:     0x5567fa995cab - <alloc::boxed::Box<F,A> as core::ops::function::FnOnce<Args>>::call_once::h7a343dc551c06baa
[INFO] [stdout]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/alloc/src/boxed.rs:2022:9
[INFO] [stdout]   66:     0x5567fa995cab - <alloc::boxed::Box<F,A> as core::ops::function::FnOnce<Args>>::call_once::h30b8111cbaa644f3
[INFO] [stdout]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/alloc/src/boxed.rs:2022:9
[INFO] [stdout]   67:     0x5567fa995cab - std::sys::pal::unix::thread::Thread::new::thread_start::h7404e134e61e7a11
[INFO] [stdout]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/std/src/sys/pal/unix/thread.rs:108:17
[INFO] [stdout]   68:     0x7f8ed1606ac3 - <unknown>
[INFO] [stdout]   69:     0x7f8ed1697a04 - __clone
[INFO] [stdout]   70:                0x0 - <unknown>
[INFO] [stdout] 
[INFO] [stdout] ---- tests::two_layer_with_opaque_directory stdout ----
[INFO] [stdout] May 25 05:23:32.015 DEBG mounting FUSE file-system in namespace
[INFO] [stdout] thread 'tests::two_layer_with_opaque_directory' panicked at src/lib.rs:1178:18:
[INFO] [stdout] called `Result::unwrap()` on an `Err` value: ENOSYS: Function not implemented
[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/index.crates.io-6f17d22bba15001f/anyhow-1.0.82/src/backtrace.rs:27:14
[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/1871252fc8bb672d40787e67404e6eaae7059369/library/core/src/result.rs:1964:27
[INFO] [stdout]    2: maelstrom_fuse::fuse_mount_namespace::{{closure}}::{{closure}}
[INFO] [stdout]              at /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/maelstrom-fuse-0.8.0/src/lib.rs:127:27
[INFO] [stdout]    3: <tokio::runtime::blocking::task::BlockingTask<T> as core::future::future::Future>::poll
[INFO] [stdout]              at /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/tokio-1.37.0/src/runtime/blocking/task.rs:42:21
[INFO] [stdout]    4: tokio::runtime::task::core::Core<T,S>::poll::{{closure}}
[INFO] [stdout]              at /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/tokio-1.37.0/src/runtime/task/core.rs:328:17
[INFO] [stdout]    5: tokio::loom::std::unsafe_cell::UnsafeCell<T>::with_mut
[INFO] [stdout]              at /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/tokio-1.37.0/src/loom/std/unsafe_cell.rs:16:9
[INFO] [stdout]    6: tokio::runtime::task::core::Core<T,S>::poll
[INFO] [stdout]              at /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/tokio-1.37.0/src/runtime/task/core.rs:317:13
[INFO] [stdout]    7: tokio::runtime::task::harness::poll_future::{{closure}}
[INFO] [stdout]              at /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/tokio-1.37.0/src/runtime/task/harness.rs:485:19
[INFO] [stdout]    8: <core::panic::unwind_safe::AssertUnwindSafe<F> as core::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]              at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/core/src/panic/unwind_safe.rs:272:9
[INFO] [stdout]    9: std::panicking::try::do_call
[INFO] [stdout]              at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/std/src/panicking.rs:559:40
[INFO] [stdout]   10: __rust_try
[INFO] [stdout]   11: std::panicking::try
[INFO] [stdout]              at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/std/src/panicking.rs:523:19
[INFO] [stdout]   12: std::panic::catch_unwind
[INFO] [stdout]              at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/std/src/panic.rs:149:14
[INFO] [stdout]   13: tokio::runtime::task::harness::poll_future
[INFO] [stdout]              at /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/tokio-1.37.0/src/runtime/task/harness.rs:473:18
[INFO] [stdout]   14: tokio::runtime::task::harness::Harness<T,S>::poll_inner
[INFO] [stdout]              at /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/tokio-1.37.0/src/runtime/task/harness.rs:208:27
[INFO] [stdout]   15: tokio::runtime::task::harness::Harness<T,S>::poll
[INFO] [stdout]              at /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/tokio-1.37.0/src/runtime/task/harness.rs:153:15
[INFO] [stdout]   16: tokio::runtime::task::raw::poll
[INFO] [stdout]              at /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/tokio-1.37.0/src/runtime/task/raw.rs:271:5
[INFO] [stdout]   17: tokio::runtime::task::raw::RawTask::poll
[INFO] [stdout]              at /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/tokio-1.37.0/src/runtime/task/raw.rs:201:18
[INFO] [stdout]   18: tokio::runtime::task::UnownedTask<S>::run
[INFO] [stdout]              at /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/tokio-1.37.0/src/runtime/task/mod.rs:464:9
[INFO] [stdout]   19: tokio::runtime::blocking::pool::Task::run
[INFO] [stdout]              at /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/tokio-1.37.0/src/runtime/blocking/pool.rs:159:9
[INFO] [stdout]   20: tokio::runtime::blocking::pool::Inner::run
[INFO] [stdout]              at /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/tokio-1.37.0/src/runtime/blocking/pool.rs:513:17
[INFO] [stdout]   21: tokio::runtime::blocking::pool::Spawner::spawn_thread::{{closure}}
[INFO] [stdout]              at /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/tokio-1.37.0/src/runtime/blocking/pool.rs:471:13
[INFO] [stdout]   22: std::sys_common::backtrace::__rust_begin_short_backtrace
[INFO] [stdout]              at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/std/src/sys_common/backtrace.rs:155:18
[INFO] [stdout]   23: std::thread::Builder::spawn_unchecked_::{{closure}}::{{closure}}
[INFO] [stdout]              at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/std/src/thread/mod.rs:542:17
[INFO] [stdout]   24: <core::panic::unwind_safe::AssertUnwindSafe<F> as core::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]              at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/core/src/panic/unwind_safe.rs:272:9
[INFO] [stdout]   25: std::panicking::try::do_call
[INFO] [stdout]              at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/std/src/panicking.rs:559:40
[INFO] [stdout]   26: __rust_try
[INFO] [stdout]   27: std::panicking::try
[INFO] [stdout]              at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/std/src/panicking.rs:523:19
[INFO] [stdout]   28: std::panic::catch_unwind
[INFO] [stdout]              at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/std/src/panic.rs:149:14
[INFO] [stdout]   29: std::thread::Builder::spawn_unchecked_::{{closure}}
[INFO] [stdout]              at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/std/src/thread/mod.rs:541:30
[INFO] [stdout]   30: core::ops::function::FnOnce::call_once{{vtable.shim}}
[INFO] [stdout]              at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   31: <alloc::boxed::Box<F,A> as core::ops::function::FnOnce<Args>>::call_once
[INFO] [stdout]              at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/alloc/src/boxed.rs:2022:9
[INFO] [stdout]   32: <alloc::boxed::Box<F,A> as core::ops::function::FnOnce<Args>>::call_once
[INFO] [stdout]              at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/alloc/src/boxed.rs:2022:9
[INFO] [stdout]   33: std::sys::pal::unix::thread::Thread::new::thread_start
[INFO] [stdout]              at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/std/src/sys/pal/unix/thread.rs:108:17
[INFO] [stdout]   34: <unknown>
[INFO] [stdout]   35: __clone
[INFO] [stdout] stack backtrace:
[INFO] [stdout]    0:     0x5567fa98e315 - std::backtrace_rs::backtrace::libunwind::trace::h59d96bdb08384354
[INFO] [stdout]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/std/src/../../backtrace/src/backtrace/libunwind.rs:105:5
[INFO] [stdout]    1:     0x5567fa98e315 - std::backtrace_rs::backtrace::trace_unsynchronized::h9cf5becacfc93fba
[INFO] [stdout]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/std/src/../../backtrace/src/backtrace/mod.rs:66:5
[INFO] [stdout]    2:     0x5567fa98e315 - std::sys_common::backtrace::_print_fmt::h10b76d10405dbd48
[INFO] [stdout]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/std/src/sys_common/backtrace.rs:68:5
[INFO] [stdout]    3:     0x5567fa98e315 - <std::sys_common::backtrace::_print::DisplayBacktrace as core::fmt::Display>::fmt::h6ed9e62a156d84e4
[INFO] [stdout]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/std/src/sys_common/backtrace.rs:44:22
[INFO] [stdout]    4:     0x5567fa9b767b - core::fmt::rt::Argument::fmt::h645c680983f03c9f
[INFO] [stdout]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/core/src/fmt/rt.rs:165:63
[INFO] [stdout]    5:     0x5567fa9b767b - core::fmt::write::h8bcd80919a02be29
[INFO] [stdout]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/core/src/fmt/mod.rs:1169:21
[INFO] [stdout]    6:     0x5567fa98b51f - std::io::Write::write_fmt::h8d0c47c662cad79c
[INFO] [stdout]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/std/src/io/mod.rs:1835:15
[INFO] [stdout]    7:     0x5567fa98e0ee - std::sys_common::backtrace::_print::h6306f131a28d62b0
[INFO] [stdout]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/std/src/sys_common/backtrace.rs:47:5
[INFO] [stdout]    8:     0x5567fa98e0ee - std::sys_common::backtrace::print::h7079288e0a26dfcc
[INFO] [stdout]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/std/src/sys_common/backtrace.rs:34:9
[INFO] [stdout]    9:     0x5567fa98fb19 - std::panicking::default_hook::{{closure}}::hb063ecec81a736ba
[INFO] [stdout]   10:     0x5567fa98f7de - std::panicking::default_hook::hd56ee406bf547b5c
[INFO] [stdout]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/std/src/panicking.rs:295:9
[INFO] [stdout]   11:     0x5567fa79cf5a - <alloc::boxed::Box<F,A> as core::ops::function::Fn<Args>>::call::he5eacdef44c8728f
[INFO] [stdout]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/alloc/src/boxed.rs:2036:9
[INFO] [stdout]   12:     0x5567fa79cf5a - test::test_main::{{closure}}::h0ec9aed229e79095
[INFO] [stdout]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/test/src/lib.rs:137:21
[INFO] [stdout]   13:     0x5567fa99011b - <alloc::boxed::Box<F,A> as core::ops::function::Fn<Args>>::call::hcbd0d80e1ad4e4f9
[INFO] [stdout]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/alloc/src/boxed.rs:2036:9
[INFO] [stdout]   14:     0x5567fa99011b - std::panicking::rust_panic_with_hook::h624aa3ca42ebb8f2
[INFO] [stdout]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/std/src/panicking.rs:799:13
[INFO] [stdout]   15:     0x5567fa98fe94 - std::panicking::begin_panic_handler::{{closure}}::hbc4e76194a5e287c
[INFO] [stdout]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/std/src/panicking.rs:664:13
[INFO] [stdout]   16:     0x5567fa98e7d9 - std::sys_common::backtrace::__rust_end_short_backtrace::h847fedc9d1ff7b6d
[INFO] [stdout]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/std/src/sys_common/backtrace.rs:171:18
[INFO] [stdout]   17:     0x5567fa98fbc7 - rust_begin_unwind
[INFO] [stdout]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/std/src/panicking.rs:652:5
[INFO] [stdout]   18:     0x5567fa4f72d3 - core::panicking::panic_fmt::hec11a924b87ce965
[INFO] [stdout]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/core/src/panicking.rs:72:14
[INFO] [stdout]   19:     0x5567fa4f7826 - core::result::unwrap_failed::h382691b96ca8c13a
[INFO] [stdout]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/core/src/result.rs:1654:5
[INFO] [stdout]   20:     0x5567fa74823a - core::result::Result<T,E>::unwrap::hf3b0b9adefa17504
[INFO] [stdout]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/core/src/result.rs:1077:23
[INFO] [stdout]   21:     0x5567fa74823a - maelstrom_layer_fs::tests::Fixture::mount::{{closure}}::h688ac20af9e777e3
[INFO] [stdout]                                at /opt/rustwide/workdir/src/lib.rs:1175:13
[INFO] [stdout]   22:     0x5567fa74fe53 - maelstrom_layer_fs::tests::two_layer_test::{{closure}}::h017a495aaa6bd521
[INFO] [stdout]                                at /opt/rustwide/workdir/src/lib.rs:1537:48
[INFO] [stdout]   23:     0x5567fa763cb4 - maelstrom_layer_fs::tests::two_layer_with_opaque_directory::{{closure}}::h1ab09f9bf49e1820
[INFO] [stdout]                                at /opt/rustwide/workdir/src/lib.rs:1741:10
[INFO] [stdout]   24:     0x5567fa599dc2 - <core::pin::Pin<P> as core::future::future::Future>::poll::h58377329fe1be409
[INFO] [stdout]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/core/src/future/future.rs:123:9
[INFO] [stdout]   25:     0x5567fa599e5d - <core::pin::Pin<P> as core::future::future::Future>::poll::h9848842023914f90
[INFO] [stdout]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/core/src/future/future.rs:123:9
[INFO] [stdout]   26:     0x5567fa712bcf - tokio::runtime::scheduler::current_thread::CoreGuard::block_on::{{closure}}::{{closure}}::{{closure}}::hac502fe9d0c8ca72
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/tokio-1.37.0/src/runtime/scheduler/current_thread/mod.rs:659:57
[INFO] [stdout]   27:     0x5567fa712b15 - tokio::runtime::coop::with_budget::h5772473feedf75e6
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/tokio-1.37.0/src/runtime/coop.rs:107:5
[INFO] [stdout]   28:     0x5567fa712b15 - tokio::runtime::coop::budget::h1cedff380d0d76fe
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/tokio-1.37.0/src/runtime/coop.rs:73:5
[INFO] [stdout]   29:     0x5567fa712b15 - tokio::runtime::scheduler::current_thread::CoreGuard::block_on::{{closure}}::{{closure}}::h8c4e90f535c36b70
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/tokio-1.37.0/src/runtime/scheduler/current_thread/mod.rs:659:25
[INFO] [stdout]   30:     0x5567fa7118e0 - tokio::runtime::scheduler::current_thread::Context::enter::ha7498cf055706cab
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/tokio-1.37.0/src/runtime/scheduler/current_thread/mod.rs:404:19
[INFO] [stdout]   31:     0x5567fa71238b - tokio::runtime::scheduler::current_thread::CoreGuard::block_on::{{closure}}::h2b9b5f0577e897e9
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/tokio-1.37.0/src/runtime/scheduler/current_thread/mod.rs:658:36
[INFO] [stdout]   32:     0x5567fa712104 - tokio::runtime::scheduler::current_thread::CoreGuard::enter::{{closure}}::h56418ae36458e166
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/tokio-1.37.0/src/runtime/scheduler/current_thread/mod.rs:737:68
[INFO] [stdout]   33:     0x5567fa61277b - tokio::runtime::context::scoped::Scoped<T>::set::h7aa088ea4c80d610
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/tokio-1.37.0/src/runtime/context/scoped.rs:40:9
[INFO] [stdout]   34:     0x5567fa637809 - tokio::runtime::context::set_scheduler::{{closure}}::h94afc82b84f19872
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/tokio-1.37.0/src/runtime/context.rs:176:26
[INFO] [stdout]   35:     0x5567fa736ae0 - std::thread::local::LocalKey<T>::try_with::ha55e4718acbc58e5
[INFO] [stdout]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/std/src/thread/local.rs:286:12
[INFO] [stdout]   36:     0x5567fa7357da - std::thread::local::LocalKey<T>::with::h6754b1d50501e148
[INFO] [stdout]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/std/src/thread/local.rs:262:9
[INFO] [stdout]   37:     0x5567fa6377bd - tokio::runtime::context::set_scheduler::ha0fadfb0270ced03
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/tokio-1.37.0/src/runtime/context.rs:176:9
[INFO] [stdout]   38:     0x5567fa711eb0 - tokio::runtime::scheduler::current_thread::CoreGuard::enter::h387c7036b2984b21
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/tokio-1.37.0/src/runtime/scheduler/current_thread/mod.rs:737:27
[INFO] [stdout]   39:     0x5567fa712123 - tokio::runtime::scheduler::current_thread::CoreGuard::block_on::h3b5a535448cb2a21
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/tokio-1.37.0/src/runtime/scheduler/current_thread/mod.rs:646:19
[INFO] [stdout]   40:     0x5567fa70edcd - tokio::runtime::scheduler::current_thread::CurrentThread::block_on::{{closure}}::h1f48cb6748fafaa3
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/tokio-1.37.0/src/runtime/scheduler/current_thread/mod.rs:175:28
[INFO] [stdout]   41:     0x5567fa6128f6 - tokio::runtime::context::runtime::enter_runtime::h846190051fdbaffa
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/tokio-1.37.0/src/runtime/context/runtime.rs:65:16
[INFO] [stdout]   42:     0x5567fa70ece1 - tokio::runtime::scheduler::current_thread::CurrentThread::block_on::hcf7c6cc1d46a8f78
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/tokio-1.37.0/src/runtime/scheduler/current_thread/mod.rs:167:9
[INFO] [stdout]   43:     0x5567fa5998dd - tokio::runtime::runtime::Runtime::block_on::h6348c955ebacc02c
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/tokio-1.37.0/src/runtime/runtime.rs:349:47
[INFO] [stdout]   44:     0x5567fa763120 - maelstrom_layer_fs::tests::two_layer_with_opaque_directory::hf93e089500dcf410
[INFO] [stdout]                                at /opt/rustwide/workdir/src/lib.rs:1723:9
[INFO] [stdout]   45:     0x5567fa762fb7 - maelstrom_layer_fs::tests::two_layer_with_opaque_directory::{{closure}}::hcd708e6d04325de6
[INFO] [stdout]                                at /opt/rustwide/workdir/src/lib.rs:1722:47
[INFO] [stdout]   46:     0x5567fa4fa4c6 - core::ops::function::FnOnce::call_once::h7c97f0eb60fcc972
[INFO] [stdout]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   47:     0x5567fa7a193b - core::ops::function::FnOnce::call_once::h2e43a8f6f3d94b99
[INFO] [stdout]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   48:     0x5567fa7a193b - test::__rust_begin_short_backtrace::h214c9f2d2d3fee90
[INFO] [stdout]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/test/src/lib.rs:625:18
[INFO] [stdout]   49:     0x5567fa7a1041 - test::run_test_in_process::{{closure}}::h510b7ba7990692a5
[INFO] [stdout]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/test/src/lib.rs:648:60
[INFO] [stdout]   50:     0x5567fa7a1041 - <core::panic::unwind_safe::AssertUnwindSafe<F> as core::ops::function::FnOnce<()>>::call_once::h4157186197a93871
[INFO] [stdout]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/core/src/panic/unwind_safe.rs:272:9
[INFO] [stdout]   51:     0x5567fa7a1041 - std::panicking::try::do_call::h1bf2463bccd4b28c
[INFO] [stdout]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/std/src/panicking.rs:559:40
[INFO] [stdout]   52:     0x5567fa7a1041 - std::panicking::try::hd6d4808c9fab4fa5
[INFO] [stdout]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/std/src/panicking.rs:523:19
[INFO] [stdout]   53:     0x5567fa7a1041 - std::panic::catch_unwind::hd5641d97d123f9f2
[INFO] [stdout]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/std/src/panic.rs:149:14
[INFO] [stdout]   54:     0x5567fa7a1041 - test::run_test_in_process::hc273b71c8b878a4c
[INFO] [stdout]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/test/src/lib.rs:648:27
[INFO] [stdout]   55:     0x5567fa7a1041 - test::run_test::{{closure}}::h6838df834eb8467e
[INFO] [stdout]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/test/src/lib.rs:569:43
[INFO] [stdout]   56:     0x5567fa769a04 - test::run_test::{{closure}}::h608b98ecff5665fb
[INFO] [stdout]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/test/src/lib.rs:599:41
[INFO] [stdout]   57:     0x5567fa769a04 - std::sys_common::backtrace::__rust_begin_short_backtrace::hdc4182b97d1042e9
[INFO] [stdout]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/std/src/sys_common/backtrace.rs:155:18
[INFO] [stdout]   58:     0x5567fa76e432 - std::thread::Builder::spawn_unchecked_::{{closure}}::{{closure}}::h571773fd21d674c8
[INFO] [stdout]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/std/src/thread/mod.rs:542:17
[INFO] [stdout]   59:     0x5567fa76e432 - <core::panic::unwind_safe::AssertUnwindSafe<F> as core::ops::function::FnOnce<()>>::call_once::hdcd384cf2fa70ba3
[INFO] [stdout]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/core/src/panic/unwind_safe.rs:272:9
[INFO] [stdout]   60:     0x5567fa76e432 - std::panicking::try::do_call::h4f1a44bd81423be1
[INFO] [stdout]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/std/src/panicking.rs:559:40
[INFO] [stdout]   61:     0x5567fa76e432 - std::panicking::try::h5e02afcb81dcd361
[INFO] [stdout]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/std/src/panicking.rs:523:19
[INFO] [stdout]   62:     0x5567fa76e432 - std::panic::catch_unwind::h022f75775bfd8c45
[INFO] [stdout]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/std/src/panic.rs:149:14
[INFO] [stdout]   63:     0x5567fa76e432 - std::thread::Builder::spawn_unchecked_::{{closure}}::hf5a62e9e4e6df1f8
[INFO] [stdout]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/std/src/thread/mod.rs:541:30
[INFO] [stdout]   64:     0x5567fa76e432 - core::ops::function::FnOnce::call_once{{vtable.shim}}::h6d56360aeb9509a7
[INFO] [stdout]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   65:     0x5567fa995cab - <alloc::boxed::Box<F,A> as core::ops::function::FnOnce<Args>>::call_once::h7a343dc551c06baa
[INFO] [stdout]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/alloc/src/boxed.rs:2022:9
[INFO] [stdout]   66:     0x5567fa995cab - <alloc::boxed::Box<F,A> as core::ops::function::FnOnce<Args>>::call_once::h30b8111cbaa644f3
[INFO] [stdout]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/alloc/src/boxed.rs:2022:9
[INFO] [stdout]   67:     0x5567fa995cab - std::sys::pal::unix::thread::Thread::new::thread_start::h7404e134e61e7a11
[INFO] [stdout]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/std/src/sys/pal/unix/thread.rs:108:17
[INFO] [stdout]   68:     0x7f8ed1606ac3 - <unknown>
[INFO] [stdout]   69:     0x7f8ed1697a04 - __clone
[INFO] [stdout]   70:                0x0 - <unknown>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout]     tests::get_attr
[INFO] [stdout]     tests::hard_link
[INFO] [stdout]     tests::layer_from_manifest
[INFO] [stdout]     tests::layer_from_manifest_with_whiteout_and_opaque_dir
[INFO] [stdout]     tests::layer_from_tar
[INFO] [stdout]     tests::layer_from_tar_with_whiteout_and_opaque_dir
[INFO] [stdout]     tests::read_digest
[INFO] [stdout]     tests::read_dir_and_look_up
[INFO] [stdout]     tests::read_dir_multi_level
[INFO] [stdout]     tests::read_inline
[INFO] [stdout]     tests::read_link
[INFO] [stdout]     tests::three_layer
[INFO] [stdout]     tests::two_layer_complicated
[INFO] [stdout]     tests::two_layer_empty_bottom
[INFO] [stdout]     tests::two_layer_empty_top
[INFO] [stdout]     tests::two_layer_large_bottom_dir
[INFO] [stdout]     tests::two_layer_large_upper_dir
[INFO] [stdout]     tests::two_layer_replace_dir_with_file
[INFO] [stdout]     tests::two_layer_replace_file_with_dir
[INFO] [stdout]     tests::two_layer_with_opaque_directory
[INFO] [stdout]     tests::two_layer_with_whiteout_of_directory
[INFO] [stdout]     tests::two_layer_with_whiteout_of_file
[INFO] [stdout]     tests::two_layer_with_whiteout_of_hardlink
[INFO] [stdout] 
[INFO] [stdout] test result: FAILED. 4 passed; 23 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.13s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "83de248582ffadf719cebe9edd32f489430d75a254e6b249a00844738381970c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "83de248582ffadf719cebe9edd32f489430d75a254e6b249a00844738381970c", kill_on_drop: false }`
[INFO] [stdout] 83de248582ffadf719cebe9edd32f489430d75a254e6b249a00844738381970c
[INFO] testing maelstrom-layer-fs-0.8.0 against try#b642703cf9526da1e72c0b6755753b939a9c6b6d for pr-125151
[INFO] extracting crate maelstrom-layer-fs 0.8.0 into /workspace/builds/worker-5-tc2/source
[INFO] validating manifest of crates.io crate maelstrom-layer-fs 0.8.0 on toolchain b642703cf9526da1e72c0b6755753b939a9c6b6d
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+b642703cf9526da1e72c0b6755753b939a9c6b6d" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate maelstrom-layer-fs 0.8.0
[INFO] finished tweaking crates.io crate maelstrom-layer-fs 0.8.0
[INFO] tweaked toml for crates.io crate maelstrom-layer-fs 0.8.0 written to /workspace/builds/worker-5-tc2/source/Cargo.toml
[INFO] crate crates.io crate maelstrom-layer-fs 0.8.0 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+b642703cf9526da1e72c0b6755753b939a9c6b6d" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:59a85a07ab18ca8720692f8e61effa1c651d9e2ca591e072c2b212bb91a6b8b5" "/opt/rustwide/cargo-home/bin/cargo" "+b642703cf9526da1e72c0b6755753b939a9c6b6d" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 11b9d68a37009ce56d7a2cbc55825cd45c6e1eac3546c3a39423b7a7f039f857
[INFO] running `Command { std: "docker" "start" "-a" "11b9d68a37009ce56d7a2cbc55825cd45c6e1eac3546c3a39423b7a7f039f857", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "11b9d68a37009ce56d7a2cbc55825cd45c6e1eac3546c3a39423b7a7f039f857", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "11b9d68a37009ce56d7a2cbc55825cd45c6e1eac3546c3a39423b7a7f039f857", kill_on_drop: false }`
[INFO] [stdout] 11b9d68a37009ce56d7a2cbc55825cd45c6e1eac3546c3a39423b7a7f039f857
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "RUSTDOCFLAGS=--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@sha256:59a85a07ab18ca8720692f8e61effa1c651d9e2ca591e072c2b212bb91a6b8b5" "/opt/rustwide/cargo-home/bin/cargo" "+b642703cf9526da1e72c0b6755753b939a9c6b6d" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] e858404dc8dafe349271970391e81730890116aa7f80469465145d144d83d214
[INFO] running `Command { std: "docker" "start" "-a" "e858404dc8dafe349271970391e81730890116aa7f80469465145d144d83d214", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.81
[INFO] [stderr]    Compiling libc v0.2.153
[INFO] [stderr]    Compiling serde v1.0.198
[INFO] [stderr]    Compiling autocfg v1.2.0
[INFO] [stderr]    Compiling crossbeam-utils v0.8.19
[INFO] [stderr]    Compiling parking v2.2.0
[INFO] [stderr]    Compiling ident_case v1.0.1
[INFO] [stderr]    Compiling strsim v0.10.0
[INFO] [stderr]    Compiling fnv v1.0.7
[INFO] [stderr]    Compiling futures-io v0.3.30
[INFO] [stderr]    Compiling ahash v0.8.11
[INFO] [stderr]    Compiling rustix v0.38.34
[INFO] [stderr]    Compiling linux-raw-sys v0.4.13
[INFO] [stderr]    Compiling allocator-api2 v0.2.18
[INFO] [stderr]    Compiling fastrand v2.0.2
[INFO] [stderr]    Compiling rustversion v1.0.15
[INFO] [stderr]    Compiling slog v2.7.0
[INFO] [stderr]    Compiling futures-sink v0.3.30
[INFO] [stderr]    Compiling atomic-waker v1.1.2
[INFO] [stderr]    Compiling tracing-core v0.1.32
[INFO] [stderr]    Compiling utf8parse v0.2.1
[INFO] [stderr]    Compiling anstyle-parse v0.2.3
[INFO] [stderr]    Compiling piper v0.2.1
[INFO] [stderr]    Compiling futures-lite v2.3.0
[INFO] [stderr]    Compiling futures-channel v0.3.30
[INFO] [stderr]    Compiling aho-corasick v1.1.3
[INFO] [stderr]    Compiling time-core v0.1.2
[INFO] [stderr]    Compiling slab v0.4.9
[INFO] [stderr]    Compiling num-traits v0.2.18
[INFO] [stderr]    Compiling fs-err v2.11.0
[INFO] [stderr]    Compiling camino v1.1.6
[INFO] [stderr]    Compiling heck v0.4.1
[INFO] [stderr]    Compiling colorchoice v1.0.0
[INFO] [stderr]    Compiling num-conv v0.1.0
[INFO] [stderr]    Compiling tracing v0.1.40
[INFO] [stderr]    Compiling async-task v4.7.0
[INFO] [stderr]    Compiling anstyle v1.0.6
[INFO] [stderr]    Compiling anstyle-query v1.0.2
[INFO] [stderr]    Compiling convert_case v0.4.0
[INFO] [stderr]    Compiling powerfmt v0.2.0
[INFO] [stderr]    Compiling time-macros v0.2.18
[INFO] [stderr]    Compiling concurrent-queue v2.4.0
[INFO] [stderr]    Compiling anstream v0.6.13
[INFO] [stderr]    Compiling quote v1.0.36
[INFO] [stderr]    Compiling deranged v0.3.11
[INFO] [stderr]    Compiling event-listener v4.0.3
[INFO] [stderr]    Compiling event-listener v5.3.0
[INFO] [stderr]    Compiling syn v2.0.60
[INFO] [stderr]    Compiling num_cpus v1.16.0
[INFO] [stderr]    Compiling event-listener-strategy v0.4.0
[INFO] [stderr]    Compiling socket2 v0.5.6
[INFO] [stderr]    Compiling mio v0.8.11
[INFO] [stderr]    Compiling dirs-sys-next v0.1.2
[INFO] [stderr]    Compiling event-listener-strategy v0.5.1
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]    Compiling thread_local v1.1.8
[INFO] [stderr]    Compiling slog-async v2.8.0
[INFO] [stderr]    Compiling async-lock v3.3.0
[INFO] [stderr]    Compiling async-channel v2.2.1
[INFO] [stderr]    Compiling dirs-next v2.0.0
[INFO] [stderr]    Compiling anyhow v1.0.82
[INFO] [stderr]    Compiling regex-automata v0.4.6
[INFO] [stderr]    Compiling heck v0.5.0
[INFO] [stderr]    Compiling strsim v0.11.1
[INFO] [stderr]    Compiling clap_lex v0.7.0
[INFO] [stderr]    Compiling plain v0.2.3
[INFO] [stderr]    Compiling winnow v0.6.6
[INFO] [stderr]    Compiling blocking v1.5.1
[INFO] [stderr]    Compiling term v0.7.0
[INFO] [stderr]    Compiling is-terminal v0.4.12
[INFO] [stderr]    Compiling crossbeam-channel v0.5.12
[INFO] [stderr]    Compiling bstr v1.9.1
[INFO] [stderr]    Compiling glob v0.3.1
[INFO] [stderr]    Compiling take_mut v0.2.2
[INFO] [stderr]    Compiling same-file v1.0.6
[INFO] [stderr]    Compiling async-fs v2.1.1
[INFO] [stderr]    Compiling hex v0.4.3
[INFO] [stderr]    Compiling bytesize v1.3.0
[INFO] [stderr]    Compiling sha2 v0.10.8
[INFO] [stderr]    Compiling walkdir v2.5.0
[INFO] [stderr]    Compiling async-walkdir v1.0.0
[INFO] [stderr]    Compiling fs2 v0.4.3
[INFO] [stderr]    Compiling terminal_size v0.3.0
[INFO] [stderr]    Compiling xattr v1.3.1
[INFO] [stderr]    Compiling clap_builder v4.5.2
[INFO] [stderr]    Compiling filetime v0.2.23
[INFO] [stderr]    Compiling indoc v2.0.5
[INFO] [stderr]    Compiling xdg v2.5.2
[INFO] [stderr]    Compiling time v0.3.36
[INFO] [stderr]    Compiling page_size v0.6.0
[INFO] [stderr]    Compiling derive_more v0.99.17
[INFO] [stderr]    Compiling slog-term v2.9.1
[INFO] [stderr]    Compiling globset v0.4.14
[INFO] [stderr]    Compiling regex v1.10.4
[INFO] [stderr]    Compiling darling_core v0.20.8
[INFO] [stderr]    Compiling serde_derive v1.0.198
[INFO] [stderr]    Compiling zerocopy-derive v0.7.32
[INFO] [stderr]    Compiling scroll_derive v0.12.0
[INFO] [stderr]    Compiling futures-macro v0.3.30
[INFO] [stderr]    Compiling tokio-macros v2.2.0
[INFO] [stderr]    Compiling enum-map-derive v0.17.0
[INFO] [stderr]    Compiling strum_macros v0.25.3
[INFO] [stderr]    Compiling serde_repr v0.1.19
[INFO] [stderr]    Compiling clap_derive v4.5.4
[INFO] [stderr]    Compiling pin-project-internal v1.1.5
[INFO] [stderr]    Compiling async-trait v0.1.80
[INFO] [stderr]    Compiling anyhow_trace v0.1.3
[INFO] [stderr]    Compiling maelstrom-linux v0.8.0
[INFO] [stderr]    Compiling scroll v0.12.0
[INFO] [stderr]    Compiling tokio v1.37.0
[INFO] [stderr]    Compiling goblin v0.8.0
[INFO] [stderr]    Compiling futures-util v0.3.30
[INFO] [stderr]    Compiling zerocopy v0.7.32
[INFO] [stderr]    Compiling darling_macro v0.20.8
[INFO] [stderr]    Compiling pin-project v1.1.5
[INFO] [stderr]    Compiling strum v0.25.0
[INFO] [stderr]    Compiling darling v0.20.8
[INFO] [stderr]    Compiling hashbrown v0.14.3
[INFO] [stderr]    Compiling enumset_derive v0.8.1
[INFO] [stderr]    Compiling serde_with_macros v3.7.0
[INFO] [stderr]    Compiling clap v4.5.4
[INFO] [stderr]    Compiling indexmap v2.2.6
[INFO] [stderr]    Compiling lru v0.12.3
[INFO] [stderr]    Compiling futures-executor v0.3.30
[INFO] [stderr]    Compiling lddtree v0.3.4
[INFO] [stderr]    Compiling futures v0.3.30
[INFO] [stderr]    Compiling tokio-stream v0.1.15
[INFO] [stderr]    Compiling tokio-tar v0.3.1
[INFO] [stderr]    Compiling toml_datetime v0.6.5
[INFO] [stderr]    Compiling serde_spanned v0.6.5
[INFO] [stderr]    Compiling bincode v1.3.3
[INFO] [stderr]    Compiling enum-map v2.7.3
[INFO] [stderr]    Compiling nonempty v0.8.1
[INFO] [stderr]    Compiling enumset v1.1.3
[INFO] [stderr]    Compiling chrono v0.4.38
[INFO] [stderr]    Compiling bytesize-serde v0.2.1
[INFO] [stderr]    Compiling toml_edit v0.22.12
[INFO] [stderr]    Compiling maelstrom-base v0.8.0
[INFO] [stderr]    Compiling serde_with v3.7.0
[INFO] [stderr]    Compiling toml v0.8.12
[INFO] [stderr]    Compiling maelstrom-util v0.8.0
[INFO] [stderr]    Compiling maelstrom-fuse v0.8.0
[INFO] [stderr]    Compiling maelstrom-layer-fs v0.8.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 19.42s
[INFO] running `Command { std: "docker" "inspect" "e858404dc8dafe349271970391e81730890116aa7f80469465145d144d83d214", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e858404dc8dafe349271970391e81730890116aa7f80469465145d144d83d214", kill_on_drop: false }`
[INFO] [stdout] e858404dc8dafe349271970391e81730890116aa7f80469465145d144d83d214
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "RUSTDOCFLAGS=--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@sha256:59a85a07ab18ca8720692f8e61effa1c651d9e2ca591e072c2b212bb91a6b8b5" "/opt/rustwide/cargo-home/bin/cargo" "+b642703cf9526da1e72c0b6755753b939a9c6b6d" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 4f69a55328c3dc7e9568df4ac04a342e7c02890c94cc7e44a11955a4bed48fd1
[INFO] running `Command { std: "docker" "start" "-a" "4f69a55328c3dc7e9568df4ac04a342e7c02890c94cc7e44a11955a4bed48fd1", kill_on_drop: false }`
[INFO] [stderr]    Compiling tempfile v3.10.1
[INFO] [stderr]    Compiling maelstrom-layer-fs v0.8.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 6.61s
[INFO] running `Command { std: "docker" "inspect" "4f69a55328c3dc7e9568df4ac04a342e7c02890c94cc7e44a11955a4bed48fd1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4f69a55328c3dc7e9568df4ac04a342e7c02890c94cc7e44a11955a4bed48fd1", kill_on_drop: false }`
[INFO] [stdout] 4f69a55328c3dc7e9568df4ac04a342e7c02890c94cc7e44a11955a4bed48fd1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "RUSTDOCFLAGS=--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@sha256:59a85a07ab18ca8720692f8e61effa1c651d9e2ca591e072c2b212bb91a6b8b5" "/opt/rustwide/cargo-home/bin/cargo" "+b642703cf9526da1e72c0b6755753b939a9c6b6d" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] fa9e0b663f39d55a0ee034d790c6948407790f2c30bfcc9857d5ab1387c545a4
[INFO] running `Command { std: "docker" "start" "-a" "fa9e0b663f39d55a0ee034d790c6948407790f2c30bfcc9857d5ab1387c545a4", kill_on_drop: false }`
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.12s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/maelstrom_layer_fs-9eaada0f4ebc4571)
[INFO] [stdout] 
[INFO] [stdout] running 27 tests
[INFO] [stdout] test avl::avl_node_encoding_size_remains_same ... ok
[INFO] [stdout] test avl::tests::update_if_exists ... ok
[INFO] [stdout] test avl::tests::get_not_found ... ok
[INFO] [stdout] test avl::tests::insert_iter_get ... ok
[INFO] [stdout] test tests::get_attr ... FAILED
[INFO] [stdout] test tests::hard_link ... FAILED
[INFO] [stdout] test tests::read_digest ... FAILED
[INFO] [stdout] test tests::read_link ... FAILED
[INFO] [stdout] test tests::read_dir_multi_level ... FAILED
[INFO] [stdout] test tests::read_dir_and_look_up ... FAILED
[INFO] [stdout] test tests::read_inline ... FAILED
[INFO] [stdout] test tests::layer_from_tar ... FAILED
[INFO] [stdout] test tests::layer_from_manifest ... FAILED
[INFO] [stdout] test tests::two_layer_empty_top ... FAILED
[INFO] [stdout] test tests::two_layer_large_bottom_dir ... FAILED
[INFO] [stdout] test tests::two_layer_empty_bottom ... FAILED
[INFO] [stdout] test tests::layer_from_tar_with_whiteout_and_opaque_dir ... FAILED
[INFO] [stdout] test tests::layer_from_manifest_with_whiteout_and_opaque_dir ... FAILED
[INFO] [stdout] test tests::two_layer_replace_dir_with_file ... FAILED
[INFO] [stdout] test tests::two_layer_replace_file_with_dir ... FAILED
[INFO] [stdout] test tests::two_layer_complicated ... FAILED
[INFO] [stdout] test tests::two_layer_with_whiteout_of_hardlink ... FAILED
[INFO] [stdout] test tests::three_layer ... FAILED
[INFO] [stdout] test tests::two_layer_large_upper_dir ... FAILED
[INFO] [stdout] test tests::two_layer_with_whiteout_of_directory ... FAILED
[INFO] [stdout] test tests::two_layer_with_whiteout_of_file ... FAILED
[INFO] [stdout] test tests::two_layer_with_opaque_directory ... FAILED
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout] 
[INFO] [stdout] ---- tests::get_attr stdout ----
[INFO] [stdout] May 25 05:24:00.867 DEBG mounting FUSE file-system in namespace
[INFO] [stdout] thread 'tests::get_attr' panicked at src/lib.rs:1178:18:
[INFO] [stdout] called `Result::unwrap()` on an `Err` value: ENOSYS: Function not implemented
[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/index.crates.io-6f17d22bba15001f/anyhow-1.0.82/src/backtrace.rs:27:14
[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/b642703cf9526da1e72c0b6755753b939a9c6b6d/library/core/src/result.rs:1964:27
[INFO] [stdout]    2: maelstrom_fuse::fuse_mount_namespace::{{closure}}::{{closure}}
[INFO] [stdout]              at /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/maelstrom-fuse-0.8.0/src/lib.rs:127:27
[INFO] [stdout]    3: <tokio::runtime::blocking::task::BlockingTask<T> as core::future::future::Future>::poll
[INFO] [stdout]              at /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/tokio-1.37.0/src/runtime/blocking/task.rs:42:21
[INFO] [stdout]    4: tokio::runtime::task::core::Core<T,S>::poll::{{closure}}
[INFO] [stdout]              at /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/tokio-1.37.0/src/runtime/task/core.rs:328:17
[INFO] [stdout]    5: tokio::loom::std::unsafe_cell::UnsafeCell<T>::with_mut
[INFO] [stdout]              at /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/tokio-1.37.0/src/loom/std/unsafe_cell.rs:16:9
[INFO] [stdout]    6: tokio::runtime::task::core::Core<T,S>::poll
[INFO] [stdout]              at /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/tokio-1.37.0/src/runtime/task/core.rs:317:13
[INFO] [stdout]    7: tokio::runtime::task::harness::poll_future::{{closure}}
[INFO] [stdout]              at /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/tokio-1.37.0/src/runtime/task/harness.rs:485:19
[INFO] [stdout]    8: <core::panic::unwind_safe::AssertUnwindSafe<F> as core::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]              at /rustc/b642703cf9526da1e72c0b6755753b939a9c6b6d/library/core/src/panic/unwind_safe.rs:272:9
[INFO] [stdout]    9: std::panicking::try::do_call
[INFO] [stdout]              at /rustc/b642703cf9526da1e72c0b6755753b939a9c6b6d/library/std/src/panicking.rs:559:40
[INFO] [stdout]   10: __rust_try
[INFO] [stdout]   11: std::panicking::try
[INFO] [stdout]              at /rustc/b642703cf9526da1e72c0b6755753b939a9c6b6d/library/std/src/panicking.rs:523:19
[INFO] [stdout]   12: std::panic::catch_unwind
[INFO] [stdout]              at /rustc/b642703cf9526da1e72c0b6755753b939a9c6b6d/library/std/src/panic.rs:149:14
[INFO] [stdout]   13: tokio::runtime::task::harness::poll_future
[INFO] [stdout]              at /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/tokio-1.37.0/src/runtime/task/harness.rs:473:18
[INFO] [stdout]   14: tokio::runtime::task::harness::Harness<T,S>::poll_inner
[INFO] [stdout]              at /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/tokio-1.37.0/src/runtime/task/harness.rs:208:27
[INFO] [stdout]   15: tokio::runtime::task::harness::Harness<T,S>::poll
[INFO] [stdout]              at /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/tokio-1.37.0/src/runtime/task/harness.rs:153:15
[INFO] [stdout]   16: tokio::runtime::task::raw::poll
[INFO] [stdout]              at /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/tokio-1.37.0/src/runtime/task/raw.rs:271:5
[INFO] [stdout]   17: tokio::runtime::task::raw::RawTask::poll
[INFO] [stdout]              at /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/tokio-1.37.0/src/runtime/task/raw.rs:201:18
[INFO] [stdout]   18: tokio::runtime::task::UnownedTask<S>::run
[INFO] [stdout]              at /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/tokio-1.37.0/src/runtime/task/mod.rs:464:9
[INFO] [stdout]   19: tokio::runtime::blocking::pool::Task::run
[INFO] [stdout]              at /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/tokio-1.37.0/src/runtime/blocking/pool.rs:159:9
[INFO] [stdout]   20: tokio::runtime::blocking::pool::Inner::run
[INFO] [stdout]              at /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/tokio-1.37.0/src/runtime/blocking/pool.rs:513:17
[INFO] [stdout]   21: tokio::runtime::blocking::pool::Spawner::spawn_thread::{{closure}}
[INFO] [stdout]              at /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/tokio-1.37.0/src/runtime/blocking/pool.rs:471:13
[INFO] [stdout]   22: std::sys_common::backtrace::__rust_begin_short_backtrace
[INFO] [stdout]              at /rustc/b642703cf9526da1e72c0b6755753b939a9c6b6d/library/std/src/sys_common/backtrace.rs:155:18
[INFO] [stdout]   23: std::thread::Builder::spawn_unchecked_::{{closure}}::{{closure}}
[INFO] [stdout]              at /rustc/b642703cf9526da1e72c0b6755753b939a9c6b6d/library/std/src/thread/mod.rs:542:17
[INFO] [stdout]   24: <core::panic::unwind_safe::AssertUnwindSafe<F> as core::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]              at /rustc/b642703cf9526da1e72c0b6755753b939a9c6b6d/library/core/src/panic/unwind_safe.rs:272:9
[INFO] [stdout]   25: std::panicking::try::do_call
[INFO] [stdout]              at /rustc/b642703cf9526da1e72c0b6755753b939a9c6b6d/library/std/src/panicking.rs:559:40
[INFO] [stdout]   26: __rust_try
[INFO] [stdout]   27: std::panicking::try
[INFO] [stdout]              at /rustc/b642703cf9526da1e72c0b6755753b939a9c6b6d/library/std/src/panicking.rs:523:19
[INFO] [stdout]   28: std::panic::catch_unwind
[INFO] [stdout]              at /rustc/b642703cf9526da1e72c0b6755753b939a9c6b6d/library/std/src/panic.rs:149:14
[INFO] [stdout]   29: std::thread::Builder::spawn_unchecked_::{{closure}}
[INFO] [stdout]              at /rustc/b642703cf9526da1e72c0b6755753b939a9c6b6d/library/std/src/thread/mod.rs:541:30
[INFO] [stdout]   30: core::ops::function::FnOnce::call_once{{vtable.shim}}
[INFO] [stdout]              at /rustc/b642703cf9526da1e72c0b6755753b939a9c6b6d/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   31: <alloc::boxed::Box<F,A> as core::ops::function::FnOnce<Args>>::call_once
[INFO] [stdout]              at /rustc/b642703cf9526da1e72c0b6755753b939a9c6b6d/library/alloc/src/boxed.rs:2022:9
[INFO] [stdout]   32: <alloc::boxed::Box<F,A> as core::ops::function::FnOnce<Args>>::call_once
[INFO] [stdout]              at /rustc/b642703cf9526da1e72c0b6755753b939a9c6b6d/library/alloc/src/boxed.rs:2022:9
[INFO] [stdout]   33: std::sys::pal::unix::thread::Thread::new::thread_start
[INFO] [stdout]              at /rustc/b642703cf9526da1e72c0b6755753b939a9c6b6d/library/std/src/sys/pal/unix/thread.rs:108:17
[INFO] [stdout]   34: <unknown>
[INFO] [stdout]   35: __clone
[INFO] [stdout] stack backtrace:
[INFO] [stdout]    0:     0x55815bf2a915 - std::backtrace_rs::backtrace::libunwind::trace::he49dc9a9e3164223
[INFO] [stdout]                                at /rustc/b642703cf9526da1e72c0b6755753b939a9c6b6d/library/std/src/../../backtrace/src/backtrace/libunwind.rs:105:5
[INFO] [stdout]    1:     0x55815bf2a915 - std::backtrace_rs::backtrace::trace_unsynchronized::h3a3e77c68030aa6b
[INFO] [stdout]                                at /rustc/b642703cf9526da1e72c0b6755753b939a9c6b6d/library/std/src/../../backtrace/src/backtrace/mod.rs:66:5
[INFO] [stdout]    2:     0x55815bf2a915 - std::sys_common::backtrace::_print_fmt::h9479ad2f99afd5d4
[INFO] [stdout]                                at /rustc/b642703cf9526da1e72c0b6755753b939a9c6b6d/library/std/src/sys_common/backtrace.rs:68:5
[INFO] [stdout]    3:     0x55815bf2a915 - <std::sys_common::backtrace::_print::DisplayBacktrace as core::fmt::Display>::fmt::hfb01aa1fa3fb1821
[INFO] [stdout]                                at /rustc/b642703cf9526da1e72c0b6755753b939a9c6b6d/library/std/src/sys_common/backtrace.rs:44:22
[INFO] [stdout]    4:     0x55815bf53beb - core::fmt::rt::Argument::fmt::h125e56152abbc1c3
[INFO] [stdout]                                at /rustc/b642703cf9526da1e72c0b6755753b939a9c6b6d/library/core/src/fmt/rt.rs:165:63
[INFO] [stdout]    5:     0x55815bf53beb - core::fmt::write::hb0ab4ff05ccfe741
[INFO] [stdout]                                at /rustc/b642703cf9526da1e72c0b6755753b939a9c6b6d/library/core/src/fmt/mod.rs:1169:21
[INFO] [stdout]    6:     0x55815bf27bcf - std::io::Write::write_fmt::hea6336dbf2fa00b8
[INFO] [stdout]                                at /rustc/b642703cf9526da1e72c0b6755753b939a9c6b6d/library/std/src/io/mod.rs:1835:15
[INFO] [stdout]    7:     0x55815bf2a6ee - std::sys_common::backtrace::_print::h79ca548f3a2adf4b
[INFO] [stdout]                                at /rustc/b642703cf9526da1e72c0b6755753b939a9c6b6d/library/std/src/sys_common/backtrace.rs:47:5
[INFO] [stdout]    8:     0x55815bf2a6ee - std::sys_common::backtrace::print::h9aebf997b2fea2d3
[INFO] [stdout]                                at /rustc/b642703cf9526da1e72c0b6755753b939a9c6b6d/library/std/src/sys_common/backtrace.rs:34:9
[INFO] [stdout]    9:     0x55815bf2c059 - std::panicking::default_hook::{{closure}}::h68a0954af2694526
[INFO] [stdout]   10:     0x55815bf2bdac - std::panicking::default_hook::h5be50cc6849ffb00
[INFO] [stdout]                                at /rustc/b642703cf9526da1e72c0b6755753b939a9c6b6d/library/std/src/panicking.rs:295:9
[INFO] [stdout]   11:     0x55815bd3fd4f - <alloc::boxed::Box<F,A> as core::ops::function::Fn<Args>>::call::hd874405dcbd1d3ed
[INFO] [stdout]                                at /rustc/b642703cf9526da1e72c0b6755753b939a9c6b6d/library/alloc/src/boxed.rs:2036:9
[INFO] [stdout]   12:     0x55815bd3fd4f - test::test_main::{{closure}}::h4f26a9df34a84b94
[INFO] [stdout]                                at /rustc/b642703cf9526da1e72c0b6755753b939a9c6b6d/library/test/src/lib.rs:137:21
[INFO] [stdout]   13:     0x55815bf2c65b - <alloc::boxed::Box<F,A> as core::ops::function::Fn<Args>>::call::h00e96d9c62aa9a12
[INFO] [stdout]                                at /rustc/b642703cf9526da1e72c0b6755753b939a9c6b6d/library/alloc/src/boxed.rs:2036:9
[INFO] [stdout]   14:     0x55815bf2c65b - std::panicking::rust_panic_with_hook::h3c0df6036729334c
[INFO] [stdout]                                at /rustc/b642703cf9526da1e72c0b6755753b939a9c6b6d/library/std/src/panicking.rs:799:13
[INFO] [stdout]   15:     0x55815bf2c3d4 - std::panicking::begin_panic_handler::{{closure}}::ha3a21e93c4cfd807
[INFO] [stdout]                                at /rustc/b642703cf9526da1e72c0b6755753b939a9c6b6d/library/std/src/panicking.rs:664:13
[INFO] [stdout]   16:     0x55815bf2add9 - std::sys_common::backtrace::__rust_end_short_backtrace::h19508a8f8ae71dc9
[INFO] [stdout]                                at /rustc/b642703cf9526da1e72c0b6755753b939a9c6b6d/library/std/src/sys_common/backtrace.rs:171:18
[INFO] [stdout]   17:     0x55815bf2c107 - rust_begin_unwind
[INFO] [stdout]                                at /rustc/b642703cf9526da1e72c0b6755753b939a9c6b6d/library/std/src/panicking.rs:652:5
[INFO] [stdout]   18:     0x55815ba9b2b3 - core::panicking::panic_fmt::h2ba8af99174d83ea
[INFO] [stdout]                                at /rustc/b642703cf9526da1e72c0b6755753b939a9c6b6d/library/core/src/panicking.rs:72:14
[INFO] [stdout]   19:     0x55815ba9b806 - core::result::unwrap_failed::h52f3bbb78b59f71d
[INFO] [stdout]                                at /rustc/b642703cf9526da1e72c0b6755753b939a9c6b6d/library/core/src/result.rs:1654:5
[INFO] [stdout]   20:     0x55815bca635a - core::result::Result<T,E>::unwrap::h12d33d75ca13dd03
[INFO] [stdout]                                at /rustc/b642703cf9526da1e72c0b6755753b939a9c6b6d/library/core/src/result.rs:1077:23
[INFO] [stdout]   21:     0x55815bca635a - maelstrom_layer_fs::tests::Fixture::mount::{{closure}}::h76f7f34a1afa1da4
[INFO] [stdout]                                at /opt/rustwide/workdir/src/lib.rs:1175:13
[INFO] [stdout]   22:     0x55815bcb2ff3 - maelstrom_layer_fs::tests::get_attr::{{closure}}::h3012953e3d9dd0c3
[INFO] [stdout]                                at /opt/rustwide/workdir/src/lib.rs:1255:48
[INFO] [stdout]   23:     0x55815bc89d52 - <core::pin::Pin<P> as core::future::future::Future>::poll::h6a85ffe21b2c4c95
[INFO] [stdout]                                at /rustc/b642703cf9526da1e72c0b6755753b939a9c6b6d/library/core/src/future/future.rs:123:9
[INFO] [stdout]   24:     0x55815bc89ccd - <core::pin::Pin<P> as core::future::future::Future>::poll::h3a17e493fe70644b
[INFO] [stdout]                                at /rustc/b642703cf9526da1e72c0b6755753b939a9c6b6d/library/core/src/future/future.rs:123:9
[INFO] [stdout]   25:     0x55815bc70c2f - tokio::runtime::scheduler::current_thread::CoreGuard::block_on::{{closure}}::{{closure}}::{{closure}}::hbcae7a313f3c6152
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/tokio-1.37.0/src/runtime/scheduler/current_thread/mod.rs:659:57
[INFO] [stdout]   26:     0x55815bc70b65 - tokio::runtime::coop::with_budget::h5ac2764e228d0de6
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/tokio-1.37.0/src/runtime/coop.rs:107:5
[INFO] [stdout]   27:     0x55815bc70b65 - tokio::runtime::coop::budget::hc658c8e4cb0a0c8d
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/tokio-1.37.0/src/runtime/coop.rs:73:5
[INFO] [stdout]   28:     0x55815bc70b65 - tokio::runtime::scheduler::current_thread::CoreGuard::block_on::{{closure}}::{{closure}}::h12e10693abf9f854
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/tokio-1.37.0/src/runtime/scheduler/current_thread/mod.rs:659:25
[INFO] [stdout]   29:     0x55815bc6f650 - tokio::runtime::scheduler::current_thread::Context::enter::h1a25ea7e5529a0a0
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/tokio-1.37.0/src/runtime/scheduler/current_thread/mod.rs:404:19
[INFO] [stdout]   30:     0x55815bc703eb - tokio::runtime::scheduler::current_thread::CoreGuard::block_on::{{closure}}::h938371df17317d12
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/tokio-1.37.0/src/runtime/scheduler/current_thread/mod.rs:658:36
[INFO] [stdout]   31:     0x55815bc70164 - tokio::runtime::scheduler::current_thread::CoreGuard::enter::{{closure}}::h23361fef9920aca5
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/tokio-1.37.0/src/runtime/scheduler/current_thread/mod.rs:737:68
[INFO] [stdout]   32:     0x55815bc351fb - tokio::runtime::context::scoped::Scoped<T>::set::hfcf659facfad285b
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/tokio-1.37.0/src/runtime/context/scoped.rs:40:9
[INFO] [stdout]   33:     0x55815bb3e999 - tokio::runtime::context::set_scheduler::{{closure}}::h2fae601fb4a4e825
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/tokio-1.37.0/src/runtime/context.rs:176:26
[INFO] [stdout]   34:     0x55815bc945a0 - std::thread::local::LocalKey<T>::try_with::hfb57897efafa1ada
[INFO] [stdout]                                at /rustc/b642703cf9526da1e72c0b6755753b939a9c6b6d/library/std/src/thread/local.rs:286:12
[INFO] [stdout]   35:     0x55815bc92c5a - std::thread::local::LocalKey<T>::with::h943317245f47db8c
[INFO] [stdout]                                at /rustc/b642703cf9526da1e72c0b6755753b939a9c6b6d/library/std/src/thread/local.rs:262:9
[INFO] [stdout]   36:     0x55815bb3e94d - tokio::runtime::context::set_scheduler::hf044fc79721ae8bb
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/tokio-1.37.0/src/runtime/context.rs:176:9
[INFO] [stdout]   37:     0x55815bc6ff10 - tokio::runtime::scheduler::current_thread::CoreGuard::enter::h4f1e663cea134727
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/tokio-1.37.0/src/runtime/scheduler/current_thread/mod.rs:737:27
[INFO] [stdout]   38:     0x55815bc70183 - tokio::runtime::scheduler::current_thread::CoreGuard::block_on::h1765e4a6caf65d57
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/tokio-1.37.0/src/runtime/scheduler/current_thread/mod.rs:646:19
[INFO] [stdout]   39:     0x55815bc6cf33 - tokio::runtime::scheduler::current_thread::CurrentThread::block_on::{{closure}}::h80daa66651dbb412
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/tokio-1.37.0/src/runtime/scheduler/current_thread/mod.rs:175:28
[INFO] [stdout]   40:     0x55815bc370d6 - tokio::runtime::context::runtime::enter_runtime::hcd80078119a75897
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/tokio-1.37.0/src/runtime/context/runtime.rs:65:16
[INFO] [stdout]   41:     0x55815bc6ce91 - tokio::runtime::scheduler::current_thread::CurrentThread::block_on::h0f169576765c3721
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/tokio-1.37.0/src/runtime/scheduler/current_thread/mod.rs:167:9
[INFO] [stdout]   42:     0x55815bc8865d - tokio::runtime::runtime::Runtime::block_on::hfd88ea622e450ffa
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/tokio-1.37.0/src/runtime/runtime.rs:349:47
[INFO] [stdout]   43:     0x55815bcb27e0 - maelstrom_layer_fs::tests::get_attr::hdd16a99be8147684
[INFO] [stdout]                                at /opt/rustwide/workdir/src/lib.rs:1274:9
[INFO] [stdout]   44:     0x55815bcb2677 - maelstrom_layer_fs::tests::get_attr::{{closure}}::h864f62cc927d6a2f
[INFO] [stdout]                                at /opt/rustwide/workdir/src/lib.rs:1244:24
[INFO] [stdout]   45:     0x55815ba9d616 - core::ops::function::FnOnce::call_once::h43c77a3683a993be
[INFO] [stdout]                                at /rustc/b642703cf9526da1e72c0b6755753b939a9c6b6d/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   46:     0x55815bd4466b - core::ops::function::FnOnce::call_once::h18c6bf92212b87a4
[INFO] [stdout]                                at /rustc/b642703cf9526da1e72c0b6755753b939a9c6b6d/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   47:     0x55815bd4466b - test::__rust_begin_short_backtrace::hdcf0edcfa9080086
[INFO] [stdout]                                at /rustc/b642703cf9526da1e72c0b6755753b939a9c6b6d/library/test/src/lib.rs:625:18
[INFO] [stdout]   48:     0x55815bd43d31 - test::run_test_in_process::{{closure}}::heac2c4eb375d2d10
[INFO] [stdout]                                at /rustc/b642703cf9526da1e72c0b6755753b939a9c6b6d/library/test/src/lib.rs:648:60
[INFO] [stdout]   49:     0x55815bd43d31 - <core::panic::unwind_safe::AssertUnwindSafe<F> as core::ops::function::FnOnce<()>>::call_once::h0289bafc8a1cc004
[INFO] [stdout]                                at /rustc/b642703cf9526da1e72c0b6755753b939a9c6b6d/library/core/src/panic/unwind_safe.rs:272:9
[INFO] [stdout]   50:     0x55815bd43d31 - std::panicking::try::do_call::h5e158f1ad8a5f983
[INFO] [stdout]                                at /rustc/b642703cf9526da1e72c0b6755753b939a9c6b6d/library/std/src/panicking.rs:559:40
[INFO] [stdout]   51:     0x55815bd43d31 - std::panicking::try::hea3411d60321c4de
[INFO] [stdout]                                at /rustc/b642703cf9526da1e72c0b6755753b939a9c6b6d/library/std/src/panicking.rs:523:19
[INFO] [stdout]   52:     0x55815bd43d31 - std::panic::catch_unwind::hafb7bb18bc47bbc7
[INFO] [stdout]                                at /rustc/b642703cf9526da1e72c0b6755753b939a9c6b6d/library/std/src/panic.rs:149:14
[INFO] [stdout]   53:     0x55815bd43d31 - test::run_test_in_process::h74dd138dc7762d99
[INFO] [stdout]                                at /rustc/b642703cf9526da1e72c0b6755753b939a9c6b6d/library/test/src/lib.rs:648:27
[INFO] [stdout]   54:     0x55815bd43d31 - test::run_test::{{closure}}::h6b390822e63606cf
[INFO] [stdout]                                at /rustc/b642703cf9526da1e72c0b6755753b939a9c6b6d/library/test/src/lib.rs:569:43
[INFO] [stdout]   55:     0x55815bd0c704 - test::run_test::{{closure}}::h6e11dba8131d354b
[INFO] [stdout]                                at /rustc/b642703cf9526da1e72c0b6755753b939a9c6b6d/library/test/src/lib.rs:599:41
[INFO] [stdout]   56:     0x55815bd0c704 - std::sys_common::backtrace::__rust_begin_short_backtrace::ha71b3541b59bdbbb
[INFO] [stdout]                                at /rustc/b642703cf9526da1e72c0b6755753b939a9c6b6d/library/std/src/sys_common/backtrace.rs:155:18
[INFO] [stdout]   57:     0x55815bd111d2 - std::thread::Builder::spawn_unchecked_::{{closure}}::{{closure}}::hef92127c5ef9e53c
[INFO] [stdout]                                at /rustc/b642703cf9526da1e72c0b6755753b939a9c6b6d/library/std/src/thread/mod.rs:542:17
[INFO] [stdout]   58:     0x55815bd111d2 - <core::panic::unwind_safe::AssertUnwindSafe<F> as core::ops::function::FnOnce<()>>::call_once::h859c109f9d11c92b
[INFO] [stdout]                                at /rustc/b642703cf9526da1e72c0b6755753b939a9c6b6d/library/core/src/panic/unwind_safe.rs:272:9
[INFO] [stdout]   59:     0x55815bd111d2 - std::panicking::try::do_call::hbf534c458cd858f0
[INFO] [stdout]                                at /rustc/b642703cf9526da1e72c0b6755753b939a9c6b6d/library/std/src/panicking.rs:559:40
[INFO] [stdout]   60:     0x55815bd111d2 - std::panicking::try::h65c18365a7b9ad90
[INFO] [stdout]                                at /rustc/b642703cf9526da1e72c0b6755753b939a9c6b6d/library/std/src/panicking.rs:523:19
[INFO] [stdout]   61:     0x55815bd111d2 - std::panic::catch_unwind::h21b25d4c69478c39
[INFO] [stdout]                                at /rustc/b642703cf9526da1e72c0b6755753b939a9c6b6d/library/std/src/panic.rs:149:14
[INFO] [stdout]   62:     0x55815bd111d2 - std::thread::Builder::spawn_unchecked_::{{closure}}::h23335f620275a9bf
[INFO] [stdout]                                at /rustc/b642703cf9526da1e72c0b6755753b939a9c6b6d/library/std/src/thread/mod.rs:541:30
[INFO] [stdout]   63:     0x55815bd111d2 - core::ops::function::FnOnce::call_once{{vtable.shim}}::hb491dc55513e9b7c
[INFO] [stdout]                                at /rustc/b642703cf9526da1e72c0b6755753b939a9c6b6d/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   64:     0x55815bf321ab - <alloc::boxed::Box<F,A> as core::ops::function::FnOnce<Args>>::call_once::h41b39260afcffdc9
[INFO] [stdout]                                at /rustc/b642703cf9526da1e72c0b6755753b939a9c6b6d/library/alloc/src/boxed.rs:2022:9
[INFO] [stdout]   65:     0x55815bf321ab - <alloc::boxed::Box<F,A> as core::ops::function::FnOnce<Args>>::call_once::h6694c8dc6dd010c4
[INFO] [stdout]                                at /rustc/b642703cf9526da1e72c0b6755753b939a9c6b6d/library/alloc/src/boxed.rs:2022:9
[INFO] [stdout]   66:     0x55815bf321ab - std::sys::pal::unix::thread::Thread::new::thread_start::hf16038e1c8e19c99
[INFO] [stdout]                                at /rustc/b642703cf9526da1e72c0b6755753b939a9c6b6d/library/std/src/sys/pal/unix/thread.rs:108:17
[INFO] [stdout]   67:     0x7f5a291c4ac3 - <unknown>
[INFO] [stdout]   68:     0x7f5a29255a04 - __clone
[INFO] [stdout]   69:                0x0 - <unknown>
[INFO] [stdout] 
[INFO] [stdout] ---- tests::hard_link stdout ----
[INFO] [stdout] May 25 05:24:00.867 DEBG mounting FUSE file-system in namespace
[INFO] [stdout] thread 'tests::hard_link' panicked at src/lib.rs:1178:18:
[INFO] [stdout] called `Result::unwrap()` on an `Err` value: ENOSYS: Function not implemented
[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/index.crates.io-6f17d22bba15001f/anyhow-1.0.82/src/backtrace.rs:27:14
[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/b642703cf9526da1e72c0b6755753b939a9c6b6d/library/core/src/result.rs:1964:27
[INFO] [stdout]    2: maelstrom_fuse::fuse_mount_namespace::{{closure}}::{{closure}}
[INFO] [stdout]              at /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/maelstrom-fuse-0.8.0/src/lib.rs:127:27
[INFO] [stdout]    3: <tokio::runtime::blocking::task::BlockingTask<T> as core::future::future::Future>::poll
[INFO] [stdout]              at /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/tokio-1.37.0/src/runtime/blocking/task.rs:42:21
[INFO] [stdout]    4: tokio::runtime::task::core::Core<T,S>::poll::{{closure}}
[INFO] [stdout]              at /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/tokio-1.37.0/src/runtime/task/core.rs:328:17
[INFO] [stdout]    5: tokio::loom::std::unsafe_cell::UnsafeCell<T>::with_mut
[INFO] [stdout]              at /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/tokio-1.37.0/src/loom/std/unsafe_cell.rs:16:9
[INFO] [stdout]    6: tokio::runtime::task::core::Core<T,S>::poll
[INFO] [stdout]              at /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/tokio-1.37.0/src/runtime/task/core.rs:317:13
[INFO] [stdout]    7: tokio::runtime::task::harness::poll_future::{{closure}}
[INFO] [stdout]              at /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/tokio-1.37.0/src/runtime/task/harness.rs:485:19
[INFO] [stdout]    8: <core::panic::unwind_safe::AssertUnwindSafe<F> as core::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]              at /rustc/b642703cf9526da1e72c0b6755753b939a9c6b6d/library/core/src/panic/unwind_safe.rs:272:9
[INFO] [stdout]    9: std::panicking::try::do_call
[INFO] [stdout]              at /rustc/b642703cf9526da1e72c0b6755753b939a9c6b6d/library/std/src/panicking.rs:559:40
[INFO] [stdout]   10: __rust_try
[INFO] [stdout]   11: std::panicking::try
[INFO] [stdout]              at /rustc/b642703cf9526da1e72c0b6755753b939a9c6b6d/library/std/src/panicking.rs:523:19
[INFO] [stdout]   12: std::panic::catch_unwind
[INFO] [stdout]              at /rustc/b642703cf9526da1e72c0b6755753b939a9c6b6d/library/std/src/panic.rs:149:14
[INFO] [stdout]   13: tokio::runtime::task::harness::poll_future
[INFO] [stdout]              at /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/tokio-1.37.0/src/runtime/task/harness.rs:473:18
[INFO] [stdout]   14: tokio::runtime::task::harness::Harness<T,S>::poll_inner
[INFO] [stdout]              at /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/tokio-1.37.0/src/runtime/task/harness.rs:208:27
[INFO] [stdout]   15: tokio::runtime::task::harness::Harness<T,S>::poll
[INFO] [stdout]              at /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/tokio-1.37.0/src/runtime/task/harness.rs:153:15
[INFO] [stdout]   16: tokio::runtime::task::raw::poll
[INFO] [stdout]              at /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/tokio-1.37.0/src/runtime/task/raw.rs:271:5
[INFO] [stdout]   17: tokio::runtime::task::raw::RawTask::poll
[INFO] [stdout]              at /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/tokio-1.37.0/src/runtime/task/raw.rs:201:18
[INFO] [stdout]   18: tokio::runtime::task::UnownedTask<S>::run
[INFO] [stdout]              at /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/tokio-1.37.0/src/runtime/task/mod.rs:464:9
[INFO] [stdout]   19: tokio::runtime::blocking::pool::Task::run
[INFO] [stdout]              at /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/tokio-1.37.0/src/runtime/blocking/pool.rs:159:9
[INFO] [stdout]   20: tokio::runtime::blocking::pool::Inner::run
[INFO] [stdout]              at /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/tokio-1.37.0/src/runtime/blocking/pool.rs:513:17
[INFO] [stdout]   21: tokio::runtime::blocking::pool::Spawner::spawn_thread::{{closure}}
[INFO] [stdout]              at /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/tokio-1.37.0/src/runtime/blocking/pool.rs:471:13
[INFO] [stdout]   22: std::sys_common::backtrace::__rust_begin_short_backtrace
[INFO] [stdout]              at /rustc/b642703cf9526da1e72c0b6755753b939a9c6b6d/library/std/src/sys_common/backtrace.rs:155:18
[INFO] [stdout]   23: std::thread::Builder::spawn_unchecked_::{{closure}}::{{closure}}
[INFO] [stdout]              at /rustc/b642703cf9526da1e72c0b6755753b939a9c6b6d/library/std/src/thread/mod.rs:542:17
[INFO] [stdout]   24: <core::panic::unwind_safe::AssertUnwindSafe<F> as core::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]              at /rustc/b642703cf9526da1e72c0b6755753b939a9c6b6d/library/core/src/panic/unwind_safe.rs:272:9
[INFO] [stdout]   25: std::panicking::try::do_call
[INFO] [stdout]              at /rustc/b642703cf9526da1e72c0b6755753b939a9c6b6d/library/std/src/panicking.rs:559:40
[INFO] [stdout]   26: __rust_try
[INFO] [stdout]   27: std::panicking::try
[INFO] [stdout]              at /rustc/b642703cf9526da1e72c0b6755753b939a9c6b6d/library/std/src/panicking.rs:523:19
[INFO] [stdout]   28: std::panic::catch_unwind
[INFO] [stdout]              at /rustc/b642703cf9526da1e72c0b6755753b939a9c6b6d/library/std/src/panic.rs:149:14
[INFO] [stdout]   29: std::thread::Builder::spawn_unchecked_::{{closure}}
[INFO] [stdout]              at /rustc/b642703cf9526da1e72c0b6755753b939a9c6b6d/library/std/src/thread/mod.rs:541:30
[INFO] [stdout]   30: core::ops::function::FnOnce::call_once{{vtable.shim}}
[INFO] [stdout]              at /rustc/b642703cf9526da1e72c0b6755753b939a9c6b6d/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   31: <alloc::boxed::Box<F,A> as core::ops::function::FnOnce<Args>>::call_once
[INFO] [stdout]              at /rustc/b642703cf9526da1e72c0b6755753b939a9c6b6d/library/alloc/src/boxed.rs:2022:9
[INFO] [stdout]   32: <alloc::boxed::Box<F,A> as core::ops::function::FnOnce<Args>>::call_once
[INFO] [stdout]              at /rustc/b642703cf9526da1e72c0b6755753b939a9c6b6d/library/alloc/src/boxed.rs:2022:9
[INFO] [stdout]   33: std::sys::pal::unix::thread::Thread::new::thread_start
[INFO] [stdout]              at /rustc/b642703cf9526da1e72c0b6755753b939a9c6b6d/library/std/src/sys/pal/unix/thread.rs:108:17
[INFO] [stdout]   34: <unknown>
[INFO] [stdout]   35: __clone
[INFO] [stdout] stack backtrace:
[INFO] [stdout]    0:     0x55815bf2a915 - std::backtrace_rs::backtrace::libunwind::trace::he49dc9a9e3164223
[INFO] [stdout]                                at /rustc/b642703cf9526da1e72c0b6755753b939a9c6b6d/library/std/src/../../backtrace/src/backtrace/libunwind.rs:105:5
[INFO] [stdout]    1:     0x55815bf2a915 - std::backtrace_rs::backtrace::trace_unsynchronized::h3a3e77c68030aa6b
[INFO] [stdout]                                at /rustc/b642703cf9526da1e72c0b6755753b939a9c6b6d/library/std/src/../../backtrace/src/backtrace/mod.rs:66:5
[INFO] [stdout]    2:     0x55815bf2a915 - std::sys_common::backtrace::_print_fmt::h9479ad2f99afd5d4
[INFO] [stdout]                                at /rustc/b642703cf9526da1e72c0b6755753b939a9c6b6d/library/std/src/sys_common/backtrace.rs:68:5
[INFO] [stdout]    3:     0x55815bf2a915 - <std::sys_common::backtrace::_print::DisplayBacktrace as core::fmt::Display>::fmt::hfb01aa1fa3fb1821
[INFO] [stdout]                                at /rustc/b642703cf9526da1e72c0b6755753b939a9c6b6d/library/std/src/sys_common/backtrace.rs:44:22
[INFO] [stdout]    4:     0x55815bf53beb - core::fmt::rt::Argument::fmt::h125e56152abbc1c3
[INFO] [stdout]                                at /rustc/b642703cf9526da1e72c0b6755753b939a9c6b6d/library/core/src/fmt/rt.rs:165:63
[INFO] [stdout]    5:     0x55815bf53beb - core::fmt::write::hb0ab4ff05ccfe741
[INFO] [stdout]                                at /rustc/b642703cf9526da1e72c0b6755753b939a9c6b6d/library/core/src/fmt/mod.rs:1169:21
[INFO] [stdout]    6:     0x55815bf27bcf - std::io::Write::write_fmt::hea6336dbf2fa00b8
[INFO] [stdout]                                at /rustc/b642703cf9526da1e72c0b6755753b939a9c6b6d/library/std/src/io/mod.rs:1835:15
[INFO] [stdout]    7:     0x55815bf2a6ee - std::sys_common::backtrace::_print::h79ca548f3a2adf4b
[INFO] [stdout]                                at /rustc/b642703cf9526da1e72c0b6755753b939a9c6b6d/library/std/src/sys_common/backtrace.rs:47:5
[INFO] [stdout]    8:     0x55815bf2a6ee - std::sys_common::backtrace::print::h9aebf997b2fea2d3
[INFO] [stdout]                                at /rustc/b642703cf9526da1e72c0b6755753b939a9c6b6d/library/std/src/sys_common/backtrace.rs:34:9
[INFO] [stdout]    9:     0x55815bf2c059 - std::panicking::default_hook::{{closure}}::h68a0954af2694526
[INFO] [stdout]   10:     0x55815bf2bdac - std::panicking::default_hook::h5be50cc6849ffb00
[INFO] [stdout]                                at /rustc/b642703cf9526da1e72c0b6755753b939a9c6b6d/library/std/src/panicking.rs:295:9
[INFO] [stdout]   11:     0x55815bd3fd4f - <alloc::boxed::Box<F,A> as core::ops::function::Fn<Args>>::call::hd874405dcbd1d3ed
[INFO] [stdout]                                at /rustc/b642703cf9526da1e72c0b6755753b939a9c6b6d/library/alloc/src/boxed.rs:2036:9
[INFO] [stdout]   12:     0x55815bd3fd4f - test::test_main::{{closure}}::h4f26a9df34a84b94
[INFO] [stdout]                                at /rustc/b642703cf9526da1e72c0b6755753b939a9c6b6d/library/test/src/lib.rs:137:21
[INFO] [stdout]   13:     0x55815bf2c65b - <alloc::boxed::Box<F,A> as core::ops::function::Fn<Args>>::call::h00e96d9c62aa9a12
[INFO] [stdout]                                at /rustc/b642703cf9526da1e72c0b6755753b939a9c6b6d/library/alloc/src/boxed.rs:2036:9
[INFO] [stdout]   14:     0x55815bf2c65b - std::panicking::rust_panic_with_hook::h3c0df6036729334c
[INFO] [stdout]                                at /rustc/b642703cf9526da1e72c0b6755753b939a9c6b6d/library/std/src/panicking.rs:799:13
[INFO] [stdout]   15:     0x55815bf2c3d4 - std::panicking::begin_panic_handler::{{closure}}::ha3a21e93c4cfd807
[INFO] [stdout]                                at /rustc/b642703cf9526da1e72c0b6755753b939a9c6b6d/library/std/src/panicking.rs:664:13
[INFO] [stdout]   16:     0x55815bf2add9 - std::sys_common::backtrace::__rust_end_short_backtrace::h19508a8f8ae71dc9
[INFO] [stdout]                                at /rustc/b642703cf9526da1e72c0b6755753b939a9c6b6d/library/std/src/sys_common/backtrace.rs:171:18
[INFO] [stdout]   17:     0x55815bf2c107 - rust_begin_unwind
[INFO] [stdout]                                at /rustc/b642703cf9526da1e72c0b6755753b939a9c6b6d/library/std/src/panicking.rs:652:5
[INFO] [stdout]   18:     0x55815ba9b2b3 - core::panicking::panic_fmt::h2ba8af99174d83ea
[INFO] [stdout]                                at /rustc/b642703cf9526da1e72c0b6755753b939a9c6b6d/library/core/src/panicking.rs:72:14
[INFO] [stdout]   19:     0x55815ba9b806 - core::result::unwrap_failed::h52f3bbb78b59f71d
[INFO] [stdout]                                at /rustc/b642703cf9526da1e72c0b6755753b939a9c6b6d/library/core/src/result.rs:1654:5
[INFO] [stdout]   20:     0x55815bca635a - core::result::Result<T,E>::unwrap::h12d33d75ca13dd03
[INFO] [stdout]                                at /rustc/b642703cf9526da1e72c0b6755753b939a9c6b6d/library/core/src/result.rs:1077:23
[INFO] [stdout]   21:     0x55815bca635a - maelstrom_layer_fs::tests::Fixture::mount::{{closure}}::h76f7f34a1afa1da4
[INFO] [stdout]                                at /opt/rustwide/workdir/src/lib.rs:1175:13
[INFO] [stdout]   22:     0x55815bcb4153 - maelstrom_layer_fs::tests::hard_link::{{closure}}::h38237bc0c00c4fad
[INFO] [stdout]                                at /opt/rustwide/workdir/src/lib.rs:1289:48
[INFO] [stdout]   23:     0x55815bc89d52 - <core::pin::Pin<P> as core::future::future::Future>::poll::h6a85ffe21b2c4c95
[INFO] [stdout]                                at /rustc/b642703cf9526da1e72c0b6755753b939a9c6b6d/library/core/src/future/future.rs:123:9
[INFO] [stdout]   24:     0x55815bc89ccd - <core::pin::Pin<P> as core::future::future::Future>::poll::h3a17e493fe70644b
[INFO] [stdout]                                at /rustc/b642703cf9526da1e72c0b6755753b939a9c6b6d/library/core/src/future/future.rs:123:9
[INFO] [stdout]   25:     0x55815bc70c2f - tokio::runtime::scheduler::current_thread::CoreGuard::block_on::{{closure}}::{{closure}}::{{closure}}::hbcae7a313f3c6152
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/tokio-1.37.0/src/runtime/scheduler/current_thread/mod.rs:659:57
[INFO] [stdout]   26:     0x55815bc70b65 - tokio::runtime::coop::with_budget::h5ac2764e228d0de6
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/tokio-1.37.0/src/runtime/coop.rs:107:5
[INFO] [stdout]   27:     0x55815bc70b65 - tokio::runtime::coop::budget::hc658c8e4cb0a0c8d
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/tokio-1.37.0/src/runtime/coop.rs:73:5
[INFO] [stdout]   28:     0x55815bc70b65 - tokio::runtime::scheduler::current_thread::CoreGuard::block_on::{{closure}}::{{closure}}::h12e10693abf9f854
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/tokio-1.37.0/src/runtime/scheduler/current_thread/mod.rs:659:25
[INFO] [stdout]   29:     0x55815bc6f650 - tokio::runtime::scheduler::current_thread::Context::enter::h1a25ea7e5529a0a0
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/tokio-1.37.0/src/runtime/scheduler/current_thread/mod.rs:404:19
[INFO] [stdout]   30:     0x55815bc703eb - tokio::runtime::scheduler::current_thread::CoreGuard::block_on::{{closure}}::h938371df17317d12
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/tokio-1.37.0/src/runtime/scheduler/current_thread/mod.rs:658:36
[INFO] [stdout]   31:     0x55815bc70164 - tokio::runtime::scheduler::current_thread::CoreGuard::enter::{{closure}}::h23361fef9920aca5
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/tokio-1.37.0/src/runtime/scheduler/current_thread/mod.rs:737:68
[INFO] [stdout]   32:     0x55815bc351fb - tokio::runtime::context::scoped::Scoped<T>::set::hfcf659facfad285b
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/tokio-1.37.0/src/runtime/context/scoped.rs:40:9
[INFO] [stdout]   33:     0x55815bb3e999 - tokio::runtime::context::set_scheduler::{{closure}}::h2fae601fb4a4e825
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/tokio-1.37.0/src/runtime/context.rs:176:26
[INFO] [stdout]   34:     0x55815bc945a0 - std::thread::local::LocalKey<T>::try_with::hfb57897efafa1ada
[INFO] [stdout]                                at /rustc/b642703cf9526da1e72c0b6755753b939a9c6b6d/library/std/src/thread/local.rs:286:12
[INFO] [stdout]   35:     0x55815bc92c5a - std::thread::local::LocalKey<T>::with::h943317245f47db8c
[INFO] [stdout]                                at /rustc/b642703cf9526da1e72c0b6755753b939a9c6b6d/library/std/src/thread/local.rs:262:9
[INFO] [stdout]   36:     0x55815bb3e94d - tokio::runtime::context::set_scheduler::hf044fc79721ae8bb
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/tokio-1.37.0/src/runtime/context.rs:176:9
[INFO] [stdout]   37:     0x55815bc6ff10 - tokio::runtime::scheduler::current_thread::CoreGuard::enter::h4f1e663cea134727
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/tokio-1.37.0/src/runtime/scheduler/current_thread/mod.rs:737:27
[INFO] [stdout]   38:     0x55815bc70183 - tokio::runtime::scheduler::current_thread::CoreGuard::block_on::h1765e4a6caf65d57
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/tokio-1.37.0/src/runtime/scheduler/current_thread/mod.rs:646:19
[INFO] [stdout]   39:     0x55815bc6cf33 - tokio::runtime::scheduler::current_thread::CurrentThread::block_on::{{closure}}::h80daa66651dbb412
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/tokio-1.37.0/src/runtime/scheduler/current_thread/mod.rs:175:28
[INFO] [stdout]   40:     0x55815bc370d6 - tokio::runtime::context::runtime::enter_runtime::hcd80078119a75897
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/tokio-1.37.0/src/runtime/context/runtime.rs:65:16
[INFO] [stdout]   41:     0x55815bc6ce91 - tokio::runtime::scheduler::current_thread::CurrentThread::block_on::h0f169576765c3721
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/tokio-1.37.0/src/runtime/scheduler/current_thread/mod.rs:167:9
[INFO] [stdout]   42:     0x55815bc8865d - tokio::runtime::runtime::Runtime::block_on::hfd88ea622e450ffa
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/tokio-1.37.0/src/runtime/runtime.rs:349:47
[INFO] [stdout]   43:     0x55815bcb3900 - maelstrom_layer_fs::tests::hard_link::h4d824242ca9d16ec
[INFO] [stdout]                                at /opt/rustwide/workdir/src/lib.rs:1310:9
[INFO] [stdout]   44:     0x55815bcb3797 - maelstrom_layer_fs::tests::hard_link::{{closure}}::h5e464eaf4b636618
[INFO] [stdout]                                at /opt/rustwide/workdir/src/lib.rs:1278:25
[INFO] [stdout]   45:     0x55815ba9eff6 - core::ops::function::FnOnce::call_once::h98f915357c0cb36a
[INFO] [stdout]                                at /rustc/b642703cf9526da1e72c0b6755753b939a9c6b6d/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   46:     0x55815bd4466b - core::ops::function::FnOnce::call_once::h18c6bf92212b87a4
[INFO] [stdout]                                at /rustc/b642703cf9526da1e72c0b6755753b939a9c6b6d/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   47:     0x55815bd4466b - test::__rust_begin_short_backtrace::hdcf0edcfa9080086
[INFO] [stdout]                                at /rustc/b642703cf9526da1e72c0b6755753b939a9c6b6d/library/test/src/lib.rs:625:18
[INFO] [stdout]   48:     0x55815bd43d31 - test::run_test_in_process::{{closure}}::heac2c4eb375d2d10
[INFO] [stdout]                                at /rustc/b642703cf9526da1e72c0b6755753b939a9c6b6d/library/test/src/lib.rs:648:60
[INFO] [stdout]   49:     0x55815bd43d31 - <core::panic::unwind_safe::AssertUnwindSafe<F> as core::ops::function::FnOnce<()>>::call_once::h0289bafc8a1cc004
[INFO] [stdout]                                at /rustc/b642703cf9526da1e72c0b6755753b939a9c6b6d/library/core/src/panic/unwind_safe.rs:272:9
[INFO] [stdout]   50:     0x55815bd43d31 - std::panicking::try::do_call::h5e158f1ad8a5f983
[INFO] [stdout]                                at /rustc/b642703cf9526da1e72c0b6755753b939a9c6b6d/library/std/src/panicking.rs:559:40
[INFO] [stdout]   51:     0x55815bd43d31 - std::panicking::try::hea3411d60321c4de
[INFO] [stdout]                                at /rustc/b642703cf9526da1e72c0b6755753b939a9c6b6d/library/std/src/panicking.rs:523:19
[INFO] [stdout]   52:     0x55815bd43d31 - std::panic::catch_unwind::hafb7bb18bc47bbc7
[INFO] [stdout]                                at /rustc/b642703cf9526da1e72c0b6755753b939a9c6b6d/library/std/src/panic.rs:149:14
[INFO] [stdout]   53:     0x55815bd43d31 - test::run_test_in_process::h74dd138dc7762d99
[INFO] [stdout]                                at /rustc/b642703cf9526da1e72c0b6755753b939a9c6b6d/library/test/src/lib.rs:648:27
[INFO] [stdout]   54:     0x55815bd43d31 - test::run_test::{{closure}}::h6b390822e63606cf
[INFO] [stdout]                                at /rustc/b642703cf9526da1e72c0b6755753b939a9c6b6d/library/test/src/lib.rs:569:43
[INFO] [stdout]   55:     0x55815bd0c704 - test::run_test::{{closure}}::h6e11dba8131d354b
[INFO] [stdout]                                at /rustc/b642703cf9526da1e72c0b6755753b939a9c6b6d/library/test/src/lib.rs:599:41
[INFO] [stdout]   56:     0x55815bd0c704 - std::sys_common::backtrace::__rust_begin_short_backtrace::ha71b3541b59bdbbb
[INFO] [stdout]                                at /rustc/b642703cf9526da1e72c0b6755753b939a9c6b6d/library/std/src/sys_common/backtrace.rs:155:18
[INFO] [stdout]   57:     0x55815bd111d2 - std::thread::Builder::spawn_unchecked_::{{closure}}::{{closure}}::hef92127c5ef9e53c
[INFO] [stdout]                                at /rustc/b642703cf9526da1e72c0b6755753b939a9c6b6d/library/std/src/thread/mod.rs:542:17
[INFO] [stdout]   58:     0x55815bd111d2 - <core::panic::unwind_safe::AssertUnwindSafe<F> as core::ops::function::FnOnce<()>>::call_once::h859c109f9d11c92b
[INFO] [stdout]                                at /rustc/b642703cf9526da1e72c0b6755753b939a9c6b6d/library/core/src/panic/unwind_safe.rs:272:9
[INFO] [stdout]   59:     0x55815bd111d2 - std::panicking::try::do_call::hbf534c458cd858f0
[INFO] [stdout]                                at /rustc/b642703cf9526da1e72c0b6755753b939a9c6b6d/library/std/src/panicking.rs:559:40
[INFO] [stdout]   60:     0x55815bd111d2 - std::panicking::try::h65c18365a7b9ad90
[INFO] [stdout]                                at /rustc/b642703cf9526da1e72c0b6755753b939a9c6b6d/library/std/src/panicking.rs:523:19
[INFO] [stdout]   61:     0x55815bd111d2 - std::panic::catch_unwind::h21b25d4c69478c39
[INFO] [stdout]                                at /rustc/b642703cf9526da1e72c0b6755753b939a9c6b6d/library/std/src/panic.rs:149:14
[INFO] [stdout]   62:     0x55815bd111d2 - std::thread::Builder::spawn_unchecked_::{{closure}}::h23335f620275a9bf
[INFO] [stdout]                                at /rustc/b642703cf9526da1e72c0b6755753b939a9c6b6d/library/std/src/thread/mod.rs:541:30
[INFO] [stdout]   63:     0x55815bd111d2 - core::ops::function::FnOnce::call_once{{vtable.shim}}::hb491dc55513e9b7c
[INFO] [stdout]                                at /rustc/b642703cf9526da1e72c0b6755753b939a9c6b6d/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   64:     0x55815bf321ab - <alloc::boxed::Box<F,A> as core::ops::function::FnOnce<Args>>::call_once::h41b39260afcffdc9
[INFO] [stdout]                                at /rustc/b642703cf9526da1e72c0b6755753b939a9c6b6d/library/alloc/src/boxed.rs:2022:9
[INFO] [stdout]   65:     0x55815bf321ab - <alloc::boxed::Box<F,A> as core::ops::function::FnOnce<Args>>::call_once::h6694c8dc6dd010c4
[INFO] [stdout]                                at /rustc/b642703cf9526da1e72c0b6755753b939a9c6b6d/library/alloc/src/boxed.rs:2022:9
[INFO] [stdout]   66:     0x55815bf321ab - std::sys::pal::unix::thread::Thread::new::thread_start::hf16038e1c8e19c99
[INFO] [stdout]                                at /rustc/b642703cf9526da1e72c0b6755753b939a9c6b6d/library/std/src/sys/pal/unix/thread.rs:108:17
[INFO] [stdout]   67:     0x7f5a291c4ac3 - <unknown>
[INFO] [stdout]   68:     0x7f5a29255a04 - __clone
[INFO] [stdout]   69:                0x0 - <unknown>
[INFO] [stdout] 
[INFO] [stdout] ---- tests::read_digest stdout ----
[INFO] [stdout] May 25 05:24:00.867 DEBG mounting FUSE file-system in namespace
[INFO] [stdout] thread 'tests::read_digest' panicked at src/lib.rs:1178:18:
[INFO] [stdout] called `Result::unwrap()` on an `Err` value: ENOSYS: Function not implemented
[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/index.crates.io-6f17d22bba15001f/anyhow-1.0.82/src/backtrace.rs:27:14
[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/b642703cf9526da1e72c0b6755753b939a9c6b6d/library/core/src/result.rs:1964:27
[INFO] [stdout]    2: maelstrom_fuse::fuse_mount_namespace::{{closure}}::{{closure}}
[INFO] [stdout]              at /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/maelstrom-fuse-0.8.0/src/lib.rs:127:27
[INFO] [stdout]    3: <tokio::runtime::blocking::task::BlockingTask<T> as core::future::future::Future>::poll
[INFO] [stdout]              at /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/tokio-1.37.0/src/runtime/blocking/task.rs:42:21
[INFO] [stdout]    4: tokio::runtime::task::core::Core<T,S>::poll::{{closure}}
[INFO] [stdout]              at /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/tokio-1.37.0/src/runtime/task/core.rs:328:17
[INFO] [stdout]    5: tokio::loom::std::unsafe_cell::UnsafeCell<T>::with_mut
[INFO] [stdout]              at /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/tokio-1.37.0/src/loom/std/unsafe_cell.rs:16:9
[INFO] [stdout]    6: tokio::runtime::task::core::Core<T,S>::poll
[INFO] [stdout]              at /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/tokio-1.37.0/src/runtime/task/core.rs:317:13
[INFO] [stdout]    7: tokio::runtime::task::harness::poll_future::{{closure}}
[INFO] [stdout]              at /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/tokio-1.37.0/src/runtime/task/harness.rs:485:19
[INFO] [stdout]    8: <core::panic::unwind_safe::AssertUnwindSafe<F> as core::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]              at /rustc/b642703cf9526da1e72c0b6755753b939a9c6b6d/library/core/src/panic/unwind_safe.rs:272:9
[INFO] [stdout]    9: std::panicking::try::do_call
[INFO] [stdout]              at /rustc/b642703cf9526da1e72c0b6755753b939a9c6b6d/library/std/src/panicking.rs:559:40
[INFO] [stdout]   10: __rust_try
[INFO] [stdout]   11: std::panicking::try
[INFO] [stdout]              at /rustc/b642703cf9526da1e72c0b6755753b939a9c6b6d/library/std/src/panicking.rs:523:19
[INFO] [stdout]   12: std::panic::catch_unwind
[INFO] [stdout]              at /rustc/b642703cf9526da1e72c0b6755753b939a9c6b6d/library/std/src/panic.rs:149:14
[INFO] [stdout]   13: tokio::runtime::task::harness::poll_future
[INFO] [stdout]              at /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/tokio-1.37.0/src/runtime/task/harness.rs:473:18
[INFO] [stdout]   14: tokio::runtime::task::harness::Harness<T,S>::poll_inner
[INFO] [stdout]              at /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/tokio-1.37.0/src/runtime/task/harness.rs:208:27
[INFO] [stdout]   15: tokio::runtime::task::harness::Harness<T,S>::poll
[INFO] [stdout]              at /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/tokio-1.37.0/src/runtime/task/harness.rs:153:15
[INFO] [stdout]   16: tokio::runtime::task::raw::poll
[INFO] [stdout]              at /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/tokio-1.37.0/src/runtime/task/raw.rs:271:5
[INFO] [stdout]   17: tokio::runtime::task::raw::RawTask::poll
[INFO] [stdout]              at /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/tokio-1.37.0/src/runtime/task/raw.rs:201:18
[INFO] [stdout]   18: tokio::runtime::task::UnownedTask<S>::run
[INFO] [stdout]              at /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/tokio-1.37.0/src/runtime/task/mod.rs:464:9
[INFO] [stdout]   19: tokio::runtime::blocking::pool::Task::run
[INFO] [stdout]              at /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/tokio-1.37.0/src/runtime/blocking/pool.rs:159:9
[INFO] [stdout]   20: tokio::runtime::blocking::pool::Inner::run
[INFO] [stdout]              at /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/tokio-1.37.0/src/runtime/blocking/pool.rs:513:17
[INFO] [stdout]   21: tokio::runtime::blocking::pool::Spawner::spawn_thread::{{closure}}
[INFO] [stdout]              at /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/tokio-1.37.0/src/runtime/blocking/pool.rs:471:13
[INFO] [stdout]   22: std::sys_common::backtrace::__rust_begin_short_backtrace
[INFO] [stdout]              at /rustc/b642703cf9526da1e72c0b6755753b939a9c6b6d/library/std/src/sys_common/backtrace.rs:155:18
[INFO] [stdout]   23: std::thread::Builder::spawn_unchecked_::{{closure}}::{{closure}}
[INFO] [stdout]              at /rustc/b642703cf9526da1e72c0b6755753b939a9c6b6d/library/std/src/thread/mod.rs:542:17
[INFO] [stdout]   24: <core::panic::unwind_safe::AssertUnwindSafe<F> as core::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]              at /rustc/b642703cf9526da1e72c0b6755753b939a9c6b6d/library/core/src/panic/unwind_safe.rs:272:9
[INFO] [stdout]   25: std::panicking::try::do_call
[INFO] [stdout]              at /rustc/b642703cf9526da1e72c0b6755753b939a9c6b6d/library/std/src/panicking.rs:559:40
[INFO] [stdout]   26: __rust_try
[INFO] [stdout]   27: std::panicking::try
[INFO] [stdout]              at /rustc/b642703cf9526da1e72c0b6755753b939a9c6b6d/library/std/src/panicking.rs:523:19
[INFO] [stdout]   28: std::panic::catch_unwind
[INFO] [stdout]              at /rustc/b642703cf9526da1e72c0b6755753b939a9c6b6d/library/std/src/panic.rs:149:14
[INFO] [stdout]   29: std::thread::Builder::spawn_unchecked_::{{closure}}
[INFO] [stdout]              at /rustc/b642703cf9526da1e72c0b6755753b939a9c6b6d/library/std/src/thread/mod.rs:541:30
[INFO] [stdout]   30: core::ops::function::FnOnce::call_once{{vtable.shim}}
[INFO] [stdout]              at /rustc/b642703cf9526da1e72c0b6755753b939a9c6b6d/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   31: <alloc::boxed::Box<F,A> as core::ops::function::FnOnce<Args>>::call_once
[INFO] [stdout]              at /rustc/b642703cf9526da1e72c0b6755753b939a9c6b6d/library/alloc/src/boxed.rs:2022:9
[INFO] [stdout]   32: <alloc::boxed::Box<F,A> as core::ops::function::FnOnce<Args>>::call_once
[INFO] [stdout]              at /rustc/b642703cf9526da1e72c0b6755753b939a9c6b6d/library/alloc/src/boxed.rs:2022:9
[INFO] [stdout]   33: std::sys::pal::unix::thread::Thread::new::thread_start
[INFO] [stdout]              at /rustc/b642703cf9526da1e72c0b6755753b939a9c6b6d/library/std/src/sys/pal/unix/thread.rs:108:17
[INFO] [stdout]   34: <unknown>
[INFO] [stdout]   35: __clone
[INFO] [stdout] stack backtrace:
[INFO] [stdout]    0:     0x55815bf2a915 - std::backtrace_rs::backtrace::libunwind::trace::he49dc9a9e3164223
[INFO] [stdout]                                at /rustc/b642703cf9526da1e72c0b6755753b939a9c6b6d/library/std/src/../../backtrace/src/backtrace/libunwind.rs:105:5
[INFO] [stdout]    1:     0x55815bf2a915 - std::backtrace_rs::backtrace::trace_unsynchronized::h3a3e77c68030aa6b
[INFO] [stdout]                                at /rustc/b642703cf9526da1e72c0b6755753b939a9c6b6d/library/std/src/../../backtrace/src/backtrace/mod.rs:66:5
[INFO] [stdout]    2:     0x55815bf2a915 - std::sys_common::backtrace::_print_fmt::h9479ad2f99afd5d4
[INFO] [stdout]                                at /rustc/b642703cf9526da1e72c0b6755753b939a9c6b6d/library/std/src/sys_common/backtrace.rs:68:5
[INFO] [stdout]    3:     0x55815bf2a915 - <std::sys_common::backtrace::_print::DisplayBacktrace as core::fmt::Display>::fmt::hfb01aa1fa3fb1821
[INFO] [stdout]                                at /rustc/b642703cf9526da1e72c0b6755753b939a9c6b6d/library/std/src/sys_common/backtrace.rs:44:22
[INFO] [stdout]    4:     0x55815bf53beb - core::fmt::rt::Argument::fmt::h125e56152abbc1c3
[INFO] [stdout]                                at /rustc/b642703cf9526da1e72c0b6755753b939a9c6b6d/library/core/src/fmt/rt.rs:165:63
[INFO] [stdout]    5:     0x55815bf53beb - core::fmt::write::hb0ab4ff05ccfe741
[INFO] [stdout]                                at /rustc/b642703cf9526da1e72c0b6755753b939a9c6b6d/library/core/src/fmt/mod.rs:1169:21
[INFO] [stdout]    6:     0x55815bf27bcf - std::io::Write::write_fmt::hea6336dbf2fa00b8
[INFO] [stdout]                                at /rustc/b642703cf9526da1e72c0b6755753b939a9c6b6d/library/std/src/io/mod.rs:1835:15
[INFO] [stdout]    7:     0x55815bf2a6ee - std::sys_common::backtrace::_print::h79ca548f3a2adf4b
[INFO] [stdout]                                at /rustc/b642703cf9526da1e72c0b6755753b939a9c6b6d/library/std/src/sys_common/backtrace.rs:47:5
[INFO] [stdout]    8:     0x55815bf2a6ee - std::sys_common::backtrace::print::h9aebf997b2fea2d3
[INFO] [stdout]                                at /rustc/b642703cf9526da1e72c0b6755753b939a9c6b6d/library/std/src/sys_common/backtrace.rs:34:9
[INFO] [stdout]    9:     0x55815bf2c059 - std::panicking::default_hook::{{closure}}::h68a0954af2694526
[INFO] [stdout]   10:     0x55815bf2bdac - std::panicking::default_hook::h5be50cc6849ffb00
[INFO] [stdout]                                at /rustc/b642703cf9526da1e72c0b6755753b939a9c6b6d/library/std/src/panicking.rs:295:9
[INFO] [stdout]   11:     0x55815bd3fd4f - <alloc::boxed::Box<F,A> as core::ops::function::Fn<Args>>::call::hd874405dcbd1d3ed
[INFO] [stdout]                                at /rustc/b642703cf9526da1e72c0b6755753b939a9c6b6d/library/alloc/src/boxed.rs:2036:9
[INFO] [stdout]   12:     0x55815bd3fd4f - test::test_main::{{closure}}::h4f26a9df34a84b94
[INFO] [stdout]                                at /rustc/b642703cf9526da1e72c0b6755753b939a9c6b6d/library/test/src/lib.rs:137:21
[INFO] [stdout]   13:     0x55815bf2c65b - <alloc::boxed::Box<F,A> as core::ops::function::Fn<Args>>::call::h00e96d9c62aa9a12
[INFO] [stdout]                                at /rustc/b642703cf9526da1e72c0b6755753b939a9c6b6d/library/alloc/src/boxed.rs:2036:9
[INFO] [stdout]   14:     0x55815bf2c65b - std::panicking::rust_panic_with_hook::h3c0df6036729334c
[INFO] [stdout]                                at /rustc/b642703cf9526da1e72c0b6755753b939a9c6b6d/library/std/src/panicking.rs:799:13
[INFO] [stdout]   15:     0x55815bf2c3d4 - std::panicking::begin_panic_handler::{{closure}}::ha3a21e93c4cfd807
[INFO] [stdout]                                at /rustc/b642703cf9526da1e72c0b6755753b939a9c6b6d/library/std/src/panicking.rs:664:13
[INFO] [stdout]   16:     0x55815bf2add9 - std::sys_common::backtrace::__rust_end_short_backtrace::h19508a8f8ae71dc9
[INFO] [stdout]                                at /rustc/b642703cf9526da1e72c0b6755753b939a9c6b6d/library/std/src/sys_common/backtrace.rs:171:18
[INFO] [stdout]   17:     0x55815bf2c107 - rust_begin_unwind
[INFO] [stdout]                                at /rustc/b642703cf9526da1e72c0b6755753b939a9c6b6d/library/std/src/panicking.rs:652:5
[INFO] [stdout]   18:     0x55815ba9b2b3 - core::panicking::panic_fmt::h2ba8af99174d83ea
[INFO] [stdout]                                at /rustc/b642703cf9526da1e72c0b6755753b939a9c6b6d/library/core/src/panicking.rs:72:14
[INFO] [stdout]   19:     0x55815ba9b806 - core::result::unwrap_failed::h52f3bbb78b59f71d
[INFO] [stdout]                                at /rustc/b642703cf9526da1e72c0b6755753b939a9c6b6d/library/core/src/result.rs:1654:5
[INFO] [stdout]   20:     0x55815bca635a - core::result::Result<T,E>::unwrap::h12d33d75ca13dd03
[INFO] [stdout]                                at /rustc/b642703cf9526da1e72c0b6755753b939a9c6b6d/library/core/src/result.rs:1077:23
[INFO] [stdout]   21:     0x55815bca635a - maelstrom_layer_fs::tests::Fixture::mount::{{closure}}::h76f7f34a1afa1da4
[INFO] [stdout]                                at /opt/rustwide/workdir/src/lib.rs:1175:13
[INFO] [stdout]   22:     0x55815bcb7ac1 - maelstrom_layer_fs::tests::read_digest::{{closure}}::h74542e26c04edc4f
[INFO] [stdout]                                at /opt/rustwide/workdir/src/lib.rs:1384:48
[INFO] [stdout]   23:     0x55815bc89d52 - <core::pin::Pin<P> as core::future::future::Future>::poll::h6a85ffe21b2c4c95
[INFO] [stdout]                                at /rustc/b642703cf9526da1e72c0b6755753b939a9c6b6d/library/core/src/future/future.rs:123:9
[INFO] [stdout]   24:     0x55815bc89ccd - <core::pin::Pin<P> as core::future::future::Future>::poll::h3a17e493fe70644b
[INFO] [stdout]                                at /rustc/b642703cf9526da1e72c0b6755753b939a9c6b6d/library/core/src/future/future.rs:123:9
[INFO] [stdout]   25:     0x55815bc70c2f - tokio::runtime::scheduler::current_thread::CoreGuard::block_on::{{closure}}::{{closure}}::{{closure}}::hbcae7a313f3c6152
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/tokio-1.37.0/src/runtime/scheduler/current_thread/mod.rs:659:57
[INFO] [stdout]   26:     0x55815bc70b65 - tokio::runtime::coop::with_budget::h5ac2764e228d0de6
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/tokio-1.37.0/src/runtime/coop.rs:107:5
[INFO] [stdout]   27:     0x55815bc70b65 - tokio::runtime::coop::budget::hc658c8e4cb0a0c8d
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/tokio-1.37.0/src/runtime/coop.rs:73:5
[INFO] [stdout]   28:     0x55815bc70b65 - tokio::runtime::scheduler::current_thread::CoreGuard::block_on::{{closure}}::{{closure}}::h12e10693abf9f854
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/tokio-1.37.0/src/runtime/scheduler/current_thread/mod.rs:659:25
[INFO] [stdout]   29:     0x55815bc6f650 - tokio::runtime::scheduler::current_thread::Context::enter::h1a25ea7e5529a0a0
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/tokio-1.37.0/src/runtime/scheduler/current_thread/mod.rs:404:19
[INFO] [stdout]   30:     0x55815bc703eb - tokio::runtime::scheduler::current_thread::CoreGuard::block_on::{{closure}}::h938371df17317d12
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/tokio-1.37.0/src/runtime/scheduler/current_thread/mod.rs:658:36
[INFO] [stdout]   31:     0x55815bc70164 - tokio::runtime::scheduler::current_thread::CoreGuard::enter::{{closure}}::h23361fef9920aca5
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/tokio-1.37.0/src/runtime/scheduler/current_thread/mod.rs:737:68
[INFO] [stdout]   32:     0x55815bc351fb - tokio::runtime::context::scoped::Scoped<T>::set::hfcf659facfad285b
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/tokio-1.37.0/src/runtime/context/scoped.rs:40:9
[INFO] [stdout]   33:     0x55815bb3e999 - tokio::runtime::context::set_scheduler::{{closure}}::h2fae601fb4a4e825
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/tokio-1.37.0/src/runtime/context.rs:176:26
[INFO] [stdout]   34:     0x55815bc945a0 - std::thread::local::LocalKey<T>::try_with::hfb57897efafa1ada
[INFO] [stdout]                                at /rustc/b642703cf9526da1e72c0b6755753b939a9c6b6d/library/std/src/thread/local.rs:286:12
[INFO] [stdout]   35:     0x55815bc92c5a - std::thread::local::LocalKey<T>::with::h943317245f47db8c
[INFO] [stdout]                                at /rustc/b642703cf9526da1e72c0b6755753b939a9c6b6d/library/std/src/thread/local.rs:262:9
[INFO] [stdout]   36:     0x55815bb3e94d - tokio::runtime::context::set_scheduler::hf044fc79721ae8bb
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/tokio-1.37.0/src/runtime/context.rs:176:9
[INFO] [stdout]   37:     0x55815bc6ff10 - tokio::runtime::scheduler::current_thread::CoreGuard::enter::h4f1e663cea134727
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/tokio-1.37.0/src/runtime/scheduler/current_thread/mod.rs:737:27
[INFO] [stdout]   38:     0x55815bc70183 - tokio::runtime::scheduler::current_thread::CoreGuard::block_on::h1765e4a6caf65d57
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/tokio-1.37.0/src/runtime/scheduler/current_thread/mod.rs:646:19
[INFO] [stdout]   39:     0x55815bc6cf33 - tokio::runtime::scheduler::current_thread::CurrentThread::block_on::{{closure}}::h80daa66651dbb412
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/tokio-1.37.0/src/runtime/scheduler/current_thread/mod.rs:175:28
[INFO] [stdout]   40:     0x55815bc370d6 - tokio::runtime::context::runtime::enter_runtime::hcd80078119a75897
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/tokio-1.37.0/src/runtime/context/runtime.rs:65:16
[INFO] [stdout]   41:     0x55815bc6ce91 - tokio::runtime::scheduler::current_thread::CurrentThread::block_on::h0f169576765c3721
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/tokio-1.37.0/src/runtime/scheduler/current_thread/mod.rs:167:9
[INFO] [stdout]   42:     0x55815bc8865d - tokio::runtime::runtime::Runtime::block_on::hfd88ea622e450ffa
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/tokio-1.37.0/src/runtime/runtime.rs:349:47
[INFO] [stdout]   43:     0x55815bcb7170 - maelstrom_layer_fs::tests::read_digest::h592b7e8e764a10e3
[INFO] [stdout]                                at /opt/rustwide/workdir/src/lib.rs:1397:9
[INFO] [stdout]   44:     0x55815bcb7007 - maelstrom_layer_fs::tests::read_digest::{{closure}}::hc8893d32db21bc6d
[INFO] [stdout]                                at /opt/rustwide/workdir/src/lib.rs:1372:27
[INFO] [stdout]   45:     0x55815ba9e116 - core::ops::function::FnOnce::call_once::h61c0a4f573b0add7
[INFO] [stdout]                                at /rustc/b642703cf9526da1e72c0b6755753b939a9c6b6d/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   46:     0x55815bd4466b - core::ops::function::FnOnce::call_once::h18c6bf92212b87a4
[INFO] [stdout]                                at /rustc/b642703cf9526da1e72c0b6755753b939a9c6b6d/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   47:     0x55815bd4466b - test::__rust_begin_short_backtrace::hdcf0edcfa9080086
[INFO] [stdout]                                at /rustc/b642703cf9526da1e72c0b6755753b939a9c6b6d/library/test/src/lib.rs:625:18
[INFO] [stdout]   48:     0x55815bd43d31 - test::run_test_in_process::{{closure}}::heac2c4eb375d2d10
[INFO] [stdout]                                at /rustc/b642703cf9526da1e72c0b6755753b939a9c6b6d/library/test/src/lib.rs:648:60
[INFO] [stdout]   49:     0x55815bd43d31 - <core::panic::unwind_safe::AssertUnwindSafe<F> as core::ops::function::FnOnce<()>>::call_once::h0289bafc8a1cc004
[INFO] [stdout]                                at /rustc/b642703cf9526da1e72c0b6755753b939a9c6b6d/library/core/src/panic/unwind_safe.rs:272:9
[INFO] [stdout]   50:     0x55815bd43d31 - std::panicking::try::do_call::h5e158f1ad8a5f983
[INFO] [stdout]                                at /rustc/b642703cf9526da1e72c0b6755753b939a9c6b6d/library/std/src/panicking.rs:559:40
[INFO] [stdout]   51:     0x55815bd43d31 - std::panicking::try::hea3411d60321c4de
[INFO] [stdout]                                at /rustc/b642703cf9526da1e72c0b6755753b939a9c6b6d/library/std/src/panicking.rs:523:19
[INFO] [stdout]   52:     0x55815bd43d31 - std::panic::catch_unwind::hafb7bb18bc47bbc7
[INFO] [stdout]                                at /rustc/b642703cf9526da1e72c0b6755753b939a9c6b6d/library/std/src/panic.rs:149:14
[INFO] [stdout]   53:     0x55815bd43d31 - test::run_test_in_process::h74dd138dc7762d99
[INFO] [stdout]                                at /rustc/b642703cf9526da1e72c0b6755753b939a9c6b6d/library/test/src/lib.rs:648:27
[INFO] [stdout]   54:     0x55815bd43d31 - test::run_test::{{closure}}::h6b390822e63606cf
[INFO] [stdout]                                at /rustc/b642703cf9526da1e72c0b6755753b939a9c6b6d/library/test/src/lib.rs:569:43
[INFO] [stdout]   55:     0x55815bd0c704 - test::run_test::{{closure}}::h6e11dba8131d354b
[INFO] [stdout]                                at /rustc/b642703cf9526da1e72c0b6755753b939a9c6b6d/library/test/src/lib.rs:599:41
[INFO] [stdout]   56:     0x55815bd0c704 - std::sys_common::backtrace::__rust_begin_short_backtrace::ha71b3541b59bdbbb
[INFO] [stdout]                                at /rustc/b642703cf9526da1e72c0b6755753b939a9c6b6d/library/std/src/sys_common/backtrace.rs:155:18
[INFO] [stdout]   57:     0x55815bd111d2 - std::thread::Builder::spawn_unchecked_::{{closure}}::{{closure}}::hef92127c5ef9e53c
[INFO] [stdout]                                at /rustc/b642703cf9526da1e72c0b6755753b939a9c6b6d/library/std/src/thread/mod.rs:542:17
[INFO] [stdout]   58:     0x55815bd111d2 - <core::panic::unwind_safe::AssertUnwindSafe<F> as core::ops::function::FnOnce<()>>::call_once::h859c109f9d11c92b
[INFO] [stdout]                                at /rustc/b642703cf9526da1e72c0b6755753b939a9c6b6d/library/core/src/panic/unwind_safe.rs:272:9
[INFO] [stdout]   59:     0x55815bd111d2 - std::panicking::try::do_call::hbf534c458cd858f0
[INFO] [stdout]                                at /rustc/b642703cf9526da1e72c0b6755753b939a9c6b6d/library/std/src/panicking.rs:559:40
[INFO] [stdout]   60:     0x55815bd111d2 - std::panicking::try::h65c18365a7b9ad90
[INFO] [stdout]                                at /rustc/b642703cf9526da1e72c0b6755753b939a9c6b6d/library/std/src/panicking.rs:523:19
[INFO] [stdout]   61:     0x55815bd111d2 - std::panic::catch_unwind::h21b25d4c69478c39
[INFO] [stdout]                                at /rustc/b642703cf9526da1e72c0b6755753b939a9c6b6d/library/std/src/panic.rs:149:14
[INFO] [stdout]   62:     0x55815bd111d2 - std::thread::Builder::spawn_unchecked_::{{closure}}::h23335f620275a9bf
[INFO] [stdout]                                at /rustc/b642703cf9526da1e72c0b6755753b939a9c6b6d/library/std/src/thread/mod.rs:541:30
[INFO] [stdout]   63:     0x55815bd111d2 - core::ops::function::FnOnce::call_once{{vtable.shim}}::hb491dc55513e9b7c
[INFO] [stdout]                                at /rustc/b642703cf9526da1e72c0b6755753b939a9c6b6d/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   64:     0x55815bf321ab - <alloc::boxed::Box<F,A> as core::ops::function::FnOnce<Args>>::call_once::h41b39260afcffdc9
[INFO] [stdout]                                at /rustc/b642703cf9526da1e72c0b6755753b939a9c6b6d/library/alloc/src/boxed.rs:2022:9
[INFO] [stdout]   65:     0x55815bf321ab - <alloc::boxed::Box<F,A> as core::ops::function::FnOnce<Args>>::call_once::h6694c8dc6dd010c4
[INFO] [stdout]                                at /rustc/b642703cf9526da1e72c0b6755753b939a9c6b6d/library/alloc/src/boxed.rs:2022:9
[INFO] [stdout]   66:     0x55815bf321ab - std::sys::pal::unix::thread::Thread::new::thread_start::hf16038e1c8e19c99
[INFO] [stdout]                                at /rustc/b642703cf9526da1e72c0b6755753b939a9c6b6d/library/std/src/sys/pal/unix/thread.rs:108:17
[INFO] [stdout]   67:     0x7f5a291c4ac3 - <unknown>
[INFO] [stdout]   68:     0x7f5a29255a04 - __clone
[INFO] [stdout]   69:                0x0 - <unknown>
[INFO] [stdout] 
[INFO] [stdout] ---- tests::read_link stdout ----
[INFO] [stdout] May 25 05:24:00.867 DEBG mounting FUSE file-system in namespace
[INFO] [stdout] thread 'tests::read_link' panicked at src/lib.rs:1178:18:
[INFO] [stdout] called `Result::unwrap()` on an `Err` value: ENOSYS: Function not implemented
[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/index.crates.io-6f17d22bba15001f/anyhow-1.0.82/src/backtrace.rs:27:14
[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/b642703cf9526da1e72c0b6755753b939a9c6b6d/library/core/src/result.rs:1964:27
[INFO] [stdout]    2: maelstrom_fuse::fuse_mount_namespace::{{closure}}::{{closure}}
[INFO] [stdout]              at /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/maelstrom-fuse-0.8.0/src/lib.rs:127:27
[INFO] [stdout]    3: <tokio::runtime::blocking::task::BlockingTask<T> as core::future::future::Future>::poll
[INFO] [stdout]              at /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/tokio-1.37.0/src/runtime/blocking/task.rs:42:21
[INFO] [stdout]    4: tokio::runtime::task::core::Core<T,S>::poll::{{closure}}
[INFO] [stdout]              at /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/tokio-1.37.0/src/runtime/task/core.rs:328:17
[INFO] [stdout]    5: tokio::loom::std::unsafe_cell::UnsafeCell<T>::with_mut
[INFO] [stdout]              at /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/tokio-1.37.0/src/loom/std/unsafe_cell.rs:16:9
[INFO] [stdout]    6: tokio::runtime::task::core::Core<T,S>::poll
[INFO] [stdout]              at /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/tokio-1.37.0/src/runtime/task/core.rs:317:13
[INFO] [stdout]    7: tokio::runtime::task::harness::poll_future::{{closure}}
[INFO] [stdout]              at /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/tokio-1.37.0/src/runtime/task/harness.rs:485:19
[INFO] [stdout]    8: <core::panic::unwind_safe::AssertUnwindSafe<F> as core::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]              at /rustc/b642703cf9526da1e72c0b6755753b939a9c6b6d/library/core/src/panic/unwind_safe.rs:272:9
[INFO] [stdout]    9: std::panicking::try::do_call
[INFO] [stdout]              at /rustc/b642703cf9526da1e72c0b6755753b939a9c6b6d/library/std/src/panicking.rs:559:40
[INFO] [stdout]   10: __rust_try
[INFO] [stdout]   11: std::panicking::try
[INFO] [stdout]              at /rustc/b642703cf9526da1e72c0b6755753b939a9c6b6d/library/std/src/panicking.rs:523:19
[INFO] [stdout]   12: std::panic::catch_unwind
[INFO] [stdout]              at /rustc/b642703cf9526da1e72c0b6755753b939a9c6b6d/library/std/src/panic.rs:149:14
[INFO] [stdout]   13: tokio::runtime::task::harness::poll_future
[INFO] [stdout]              at /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/tokio-1.37.0/src/runtime/task/harness.rs:473:18
[INFO] [stdout]   14: tokio::runtime::task::harness::Harness<T,S>::poll_inner
[INFO] [stdout]              at /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/tokio-1.37.0/src/runtime/task/harness.rs:208:27
[INFO] [stdout]   15: tokio::runtime::task::harness::Harness<T,S>::poll
[INFO] [stdout]              at /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/tokio-1.37.0/src/runtime/task/harness.rs:153:15
[INFO] [stdout]   16: tokio::runtime::task::raw::poll
[INFO] [stdout]              at /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/tokio-1.37.0/src/runtime/task/raw.rs:271:5
[INFO] [stdout]   17: tokio::runtime::task::raw::RawTask::poll
[INFO] [stdout]              at /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/tokio-1.37.0/src/runtime/task/raw.rs:201:18
[INFO] [stdout]   18: tokio::runtime::task::UnownedTask<S>::run
[INFO] [stdout]              at /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/tokio-1.37.0/src/runtime/task/mod.rs:464:9
[INFO] [stdout]   19: tokio::runtime::blocking::pool::Task::run
[INFO] [stdout]              at /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/tokio-1.37.0/src/runtime/blocking/pool.rs:159:9
[INFO] [stdout]   20: tokio::runtime::blocking::pool::Inner::run
[INFO] [stdout]              at /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/tokio-1.37.0/src/runtime/blocking/pool.rs:513:17
[INFO] [stdout]   21: tokio::runtime::blocking::pool::Spawner::spawn_thread::{{closure}}
[INFO] [stdout]              at /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/tokio-1.37.0/src/runtime/blocking/pool.rs:471:13
[INFO] [stdout]   22: std::sys_common::backtrace::__rust_begin_short_backtrace
[INFO] [stdout]              at /rustc/b642703cf9526da1e72c0b6755753b939a9c6b6d/library/std/src/sys_common/backtrace.rs:155:18
[INFO] [stdout]   23: std::thread::Builder::spawn_unchecked_::{{closure}}::{{closure}}
[INFO] [stdout]              at /rustc/b642703cf9526da1e72c0b6755753b939a9c6b6d/library/std/src/thread/mod.rs:542:17
[INFO] [stdout]   24: <core::panic::unwind_safe::AssertUnwindSafe<F> as core::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]              at /rustc/b642703cf9526da1e72c0b6755753b939a9c6b6d/library/core/src/panic/unwind_safe.rs:272:9
[INFO] [stdout]   25: std::panicking::try::do_call
[INFO] [stdout]              at /rustc/b642703cf9526da1e72c0b6755753b939a9c6b6d/library/std/src/panicking.rs:559:40
[INFO] [stdout]   26: __rust_try
[INFO] [stdout]   27: std::panicking::try
[INFO] [stdout]              at /rustc/b642703cf9526da1e72c0b6755753b939a9c6b6d/library/std/src/panicking.rs:523:19
[INFO] [stdout]   28: std::panic::catch_unwind
[INFO] [stdout]              at /rustc/b642703cf9526da1e72c0b6755753b939a9c6b6d/library/std/src/panic.rs:149:14
[INFO] [stdout]   29: std::thread::Builder::spawn_unchecked_::{{closure}}
[INFO] [stdout]              at /rustc/b642703cf9526da1e72c0b6755753b939a9c6b6d/library/std/src/thread/mod.rs:541:30
[INFO] [stdout]   30: core::ops::function::FnOnce::call_once{{vtable.shim}}
[INFO] [stdout]              at /rustc/b642703cf9526da1e72c0b6755753b939a9c6b6d/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   31: <alloc::boxed::Box<F,A> as core::ops::function::FnOnce<Args>>::call_once
[INFO] [stdout]              at /rustc/b642703cf9526da1e72c0b6755753b939a9c6b6d/library/alloc/src/boxed.rs:2022:9
[INFO] [stdout]   32: <alloc::boxed::Box<F,A> as core::ops::function::FnOnce<Args>>::call_once
[INFO] [stdout]              at /rustc/b642703cf9526da1e72c0b6755753b939a9c6b6d/library/alloc/src/boxed.rs:2022:9
[INFO] [stdout]   33: std::sys::pal::unix::thread::Thread::new::thread_start
[INFO] [stdout]              at /rustc/b642703cf9526da1e72c0b6755753b939a9c6b6d/library/std/src/sys/pal/unix/thread.rs:108:17
[INFO] [stdout]   34: <unknown>
[INFO] [stdout]   35: __clone
[INFO] [stdout] stack backtrace:
[INFO] [stdout]    0:     0x55815bf2a915 - std::backtrace_rs::backtrace::libunwind::trace::he49dc9a9e3164223
[INFO] [stdout]                                at /rustc/b642703cf9526da1e72c0b6755753b939a9c6b6d/library/std/src/../../backtrace/src/backtrace/libunwind.rs:105:5
[INFO] [stdout]    1:     0x55815bf2a915 - std::backtrace_rs::backtrace::trace_unsynchronized::h3a3e77c68030aa6b
[INFO] [stdout]                                at /rustc/b642703cf9526da1e72c0b6755753b939a9c6b6d/library/std/src/../../backtrace/src/backtrace/mod.rs:66:5
[INFO] [stdout]    2:     0x55815bf2a915 - std::sys_common::backtrace::_print_fmt::h9479ad2f99afd5d4
[INFO] [stdout]                                at /rustc/b642703cf9526da1e72c0b6755753b939a9c6b6d/library/std/src/sys_common/backtrace.rs:68:5
[INFO] [stdout]    3:     0x55815bf2a915 - <std::sys_common::backtrace::_print::DisplayBacktrace as core::fmt::Display>::fmt::hfb01aa1fa3fb1821
[INFO] [stdout]                                at /rustc/b642703cf9526da1e72c0b6755753b939a9c6b6d/library/std/src/sys_common/backtrace.rs:44:22
[INFO] [stdout]    4:     0x55815bf53beb - core::fmt::rt::Argument::fmt::h125e56152abbc1c3
[INFO] [stdout]                                at /rustc/b642703cf9526da1e72c0b6755753b939a9c6b6d/library/core/src/fmt/rt.rs:165:63
[INFO] [stdout]    5:     0x55815bf53beb - core::fmt::write::hb0ab4ff05ccfe741
[INFO] [stdout]                                at /rustc/b642703cf9526da1e72c0b6755753b939a9c6b6d/library/core/src/fmt/mod.rs:1169:21
[INFO] [stdout]    6:     0x55815bf27bcf - std::io::Write::write_fmt::hea6336dbf2fa00b8
[INFO] [stdout]                                at /rustc/b642703cf9526da1e72c0b6755753b939a9c6b6d/library/std/src/io/mod.rs:1835:15
[INFO] [stdout]    7:     0x55815bf2a6ee - std::sys_common::backtrace::_print::h79ca548f3a2adf4b
[INFO] [stdout]                                at /rustc/b642703cf9526da1e72c0b6755753b939a9c6b6d/library/std/src/sys_common/backtrace.rs:47:5
[INFO] [stdout]    8:     0x55815bf2a6ee - std::sys_common::backtrace::print::h9aebf997b2fea2d3
[INFO] [stdout]                                at /rustc/b642703cf9526da1e72c0b6755753b939a9c6b6d/library/std/src/sys_common/backtrace.rs:34:9
[INFO] [stdout]    9:     0x55815bf2c059 - std::panicking::default_hook::{{closure}}::h68a0954af2694526
[INFO] [stdout]   10:     0x55815bf2bdac - std::panicking::default_hook::h5be50cc6849ffb00
[INFO] [stdout]                                at /rustc/b642703cf9526da1e72c0b6755753b939a9c6b6d/library/std/src/panicking.rs:295:9
[INFO] [stdout]   11:     0x55815bd3fd4f - <alloc::boxed::Box<F,A> as core::ops::function::Fn<Args>>::call::hd874405dcbd1d3ed
[INFO] [stdout]                                at /rustc/b642703cf9526da1e72c0b6755753b939a9c6b6d/library/alloc/src/boxed.rs:2036:9
[INFO] [stdout]   12:     0x55815bd3fd4f - test::test_main::{{closure}}::h4f26a9df34a84b94
[INFO] [stdout]                                at /rustc/b642703cf9526da1e72c0b6755753b939a9c6b6d/library/test/src/lib.rs:137:21
[INFO] [stdout]   13:     0x55815bf2c65b - <alloc::boxed::Box<F,A> as core::ops::function::Fn<Args>>::call::h00e96d9c62aa9a12
[INFO] [stdout]                                at /rustc/b642703cf9526da1e72c0b6755753b939a9c6b6d/library/alloc/src/boxed.rs:2036:9
[INFO] [stdout]   14:     0x55815bf2c65b - std::panicking::rust_panic_with_hook::h3c0df6036729334c
[INFO] [stdout]                                at /rustc/b642703cf9526da1e72c0b6755753b939a9c6b6d/library/std/src/panicking.rs:799:13
[INFO] [stdout]   15:     0x55815bf2c3d4 - std::panicking::begin_panic_handler::{{closure}}::ha3a21e93c4cfd807
[INFO] [stdout]                                at /rustc/b642703cf9526da1e72c0b6755753b939a9c6b6d/library/std/src/panicking.rs:664:13
[INFO] [stdout]   16:     0x55815bf2add9 - std::sys_common::backtrace::__rust_end_short_backtrace::h19508a8f8ae71dc9
[INFO] [stdout]                                at /rustc/b642703cf9526da1e72c0b6755753b939a9c6b6d/library/std/src/sys_common/backtrace.rs:171:18
[INFO] [stdout]   17:     0x55815bf2c107 - rust_begin_unwind
[INFO] [stdout]                                at /rustc/b642703cf9526da1e72c0b6755753b939a9c6b6d/library/std/src/panicking.rs:652:5
[INFO] [stdout]   18:     0x55815ba9b2b3 - core::panicking::panic_fmt::h2ba8af99174d83ea
[INFO] [stdout]                                at /rustc/b642703cf9526da1e72c0b6755753b939a9c6b6d/library/core/src/panicking.rs:72:14
[INFO] [stdout]   19:     0x55815ba9b806 - core::result::unwrap_failed::h52f3bbb78b59f71d
[INFO] [stdout]                                at /rustc/b642703cf9526da1e72c0b6755753b939a9c6b6d/library/core/src/result.rs:1654:5
[INFO] [stdout]   20:     0x55815bca635a - core::result::Result<T,E>::unwrap::h12d33d75ca13dd03
[INFO] [stdout]                                at /rustc/b642703cf9526da1e72c0b6755753b939a9c6b6d/library/core/src/result.rs:1077:23
[INFO] [stdout]   21:     0x55815bca635a - maelstrom_layer_fs::tests::Fixture::mount::{{closure}}::h76f7f34a1afa1da4
[INFO] [stdout]                                at /opt/rustwide/workdir/src/lib.rs:1175:13
[INFO] [stdout]   22:     0x55815bcb6597 - maelstrom_layer_fs::tests::read_link::{{closure}}::h84f0528286309d56
[INFO] [stdout]                                at /opt/rustwide/workdir/src/lib.rs:1352:48
[INFO] [stdout]   23:     0x55815bc89d52 - <core::pin::Pin<P> as core::future::future::Future>::poll::h6a85ffe21b2c4c95
[INFO] [stdout]                                at /rustc/b642703cf9526da1e72c0b6755753b939a9c6b6d/library/core/src/future/future.rs:123:9
[INFO] [stdout]   24:     0x55815bc89ccd - <core::pin::Pin<P> as core::future::future::Future>::poll::h3a17e493fe70644b
[INFO] [stdout]                                at /rustc/b642703cf9526da1e72c0b6755753b939a9c6b6d/library/core/src/future/future.rs:123:9
[INFO] [stdout]   25:     0x55815bc70c2f - tokio::runtime::scheduler::current_thread::CoreGuard::block_on::{{closure}}::{{closure}}::{{closure}}::hbcae7a313f3c6152
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/tokio-1.37.0/src/runtime/scheduler/current_thread/mod.rs:659:57
[INFO] [stdout]   26:     0x55815bc70b65 - tokio::runtime::coop::with_budget::h5ac2764e228d0de6
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/tokio-1.37.0/src/runtime/coop.rs:107:5
[INFO] [stdout]   27:     0x55815bc70b65 - tokio::runtime::coop::budget::hc658c8e4cb0a0c8d
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/tokio-1.37.0/src/runtime/coop.rs:73:5
[INFO] [stdout]   28:     0x55815bc70b65 - tokio::runtime::scheduler::current_thread::CoreGuard::block_on::{{closure}}::{{closure}}::h12e10693abf9f854
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/tokio-1.37.0/src/runtime/scheduler/current_thread/mod.rs:659:25
[INFO] [stdout]   29:     0x55815bc6f650 - tokio::runtime::scheduler::current_thread::Context::enter::h1a25ea7e5529a0a0
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/tokio-1.37.0/src/runtime/scheduler/current_thread/mod.rs:404:19
[INFO] [stdout]   30:     0x55815bc703eb - tokio::runtime::scheduler::current_thread::CoreGuard::block_on::{{closure}}::h938371df17317d12
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/tokio-1.37.0/src/runtime/scheduler/current_thread/mod.rs:658:36
[INFO] [stdout]   31:     0x55815bc70164 - tokio::runtime::scheduler::current_thread::CoreGuard::enter::{{closure}}::h23361fef9920aca5
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/tokio-1.37.0/src/runtime/scheduler/current_thread/mod.rs:737:68
[INFO] [stdout]   32:     0x55815bc351fb - tokio::runtime::context::scoped::Scoped<T>::set::hfcf659facfad285b
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/tokio-1.37.0/src/runtime/context/scoped.rs:40:9
[INFO] [stdout]   33:     0x55815bb3e999 - tokio::runtime::context::set_scheduler::{{closure}}::h2fae601fb4a4e825
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/tokio-1.37.0/src/runtime/context.rs:176:26
[INFO] [stdout]   34:     0x55815bc945a0 - std::thread::local::LocalKey<T>::try_with::hfb57897efafa1ada
[INFO] [stdout]                                at /rustc/b642703cf9526da1e72c0b6755753b939a9c6b6d/library/std/src/thread/local.rs:286:12
[INFO] [stdout]   35:     0x55815bc92c5a - std::thread::local::LocalKey<T>::with::h943317245f47db8c
[INFO] [stdout]                                at /rustc/b642703cf9526da1e72c0b6755753b939a9c6b6d/library/std/src/thread/local.rs:262:9
[INFO] [stdout]   36:     0x55815bb3e94d - tokio::runtime::context::set_scheduler::hf044fc79721ae8bb
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/tokio-1.37.0/src/runtime/context.rs:176:9
[INFO] [stdout]   37:     0x55815bc6ff10 - tokio::runtime::scheduler::current_thread::CoreGuard::enter::h4f1e663cea134727
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/tokio-1.37.0/src/runtime/scheduler/current_thread/mod.rs:737:27
[INFO] [stdout]   38:     0x55815bc70183 - tokio::runtime::scheduler::current_thread::CoreGuard::block_on::h1765e4a6caf65d57
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/tokio-1.37.0/src/runtime/scheduler/current_thread/mod.rs:646:19
[INFO] [stdout]   39:     0x55815bc6cf33 - tokio::runtime::scheduler::current_thread::CurrentThread::block_on::{{closure}}::h80daa66651dbb412
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/tokio-1.37.0/src/runtime/scheduler/current_thread/mod.rs:175:28
[INFO] [stdout]   40:     0x55815bc370d6 - tokio::runtime::context::runtime::enter_runtime::hcd80078119a75897
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/tokio-1.37.0/src/runtime/context/runtime.rs:65:16
[INFO] [stdout]   41:     0x55815bc6ce91 - tokio::runtime::scheduler::current_thread::CurrentThread::block_on::h0f169576765c3721
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/tokio-1.37.0/src/runtime/scheduler/current_thread/mod.rs:167:9
[INFO] [stdout]   42:     0x55815bc8865d - tokio::runtime::runtime::Runtime::block_on::hfd88ea622e450ffa
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/tokio-1.37.0/src/runtime/runtime.rs:349:47
[INFO] [stdout]   43:     0x55815bcb5de0 - maelstrom_layer_fs::tests::read_link::hf51f939e5dd4e1a6
[INFO] [stdout]                                at /opt/rustwide/workdir/src/lib.rs:1368:9
[INFO] [stdout]   44:     0x55815bcb5c77 - maelstrom_layer_fs::tests::read_link::{{closure}}::h4897667d49059df5
[INFO] [stdout]                                at /opt/rustwide/workdir/src/lib.rs:1342:25
[INFO] [stdout]   45:     0x55815ba9e9c6 - core::ops::function::FnOnce::call_once::h8b597da662536c73
[INFO] [stdout]                                at /rustc/b642703cf9526da1e72c0b6755753b939a9c6b6d/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   46:     0x55815bd4466b - core::ops::function::FnOnce::call_once::h18c6bf92212b87a4
[INFO] [stdout]                                at /rustc/b642703cf9526da1e72c0b6755753b939a9c6b6d/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   47:     0x55815bd4466b - test::__rust_begin_short_backtrace::hdcf0edcfa9080086
[INFO] [stdout]                                at /rustc/b642703cf9526da1e72c0b6755753b939a9c6b6d/library/test/src/lib.rs:625:18
[INFO] [stdout]   48:     0x55815bd43d31 - test::run_test_in_process::{{closure}}::heac2c4eb375d2d10
[INFO] [stdout]                                at /rustc/b642703cf9526da1e72c0b6755753b939a9c6b6d/library/test/src/lib.rs:648:60
[INFO] [stdout]   49:     0x55815bd43d31 - <core::panic::unwind_safe::AssertUnwindSafe<F> as core::ops::function::FnOnce<()>>::call_once::h0289bafc8a1cc004
[INFO] [stdout]                                at /rustc/b642703cf9526da1e72c0b6755753b939a9c6b6d/library/core/src/panic/unwind_safe.rs:272:9
[INFO] [stdout]   50:     0x55815bd43d31 - std::panicking::try::do_call::h5e158f1ad8a5f983
[INFO] [stdout]                                at /rustc/b642703cf9526da1e72c0b6755753b939a9c6b6d/library/std/src/panicking.rs:559:40
[INFO] [stdout]   51:     0x55815bd43d31 - std::panicking::try::hea3411d60321c4de
[INFO] [stdout]                                at /rustc/b642703cf9526da1e72c0b6755753b939a9c6b6d/library/std/src/panicking.rs:523:19
[INFO] [stdout]   52:     0x55815bd43d31 - std::panic::catch_unwind::hafb7bb18bc47bbc7
[INFO] [stdout]                                at /rustc/b642703cf9526da1e72c0b6755753b939a9c6b6d/library/std/src/panic.rs:149:14
[INFO] [stdout]   53:     0x55815bd43d31 - test::run_test_in_process::h74dd138dc7762d99
[INFO] [stdout]                                at /rustc/b642703cf9526da1e72c0b6755753b939a9c6b6d/library/test/src/lib.rs:648:27
[INFO] [stdout]   54:     0x55815bd43d31 - test::run_test::{{closure}}::h6b390822e63606cf
[INFO] [stdout]                                at /rustc/b642703cf9526da1e72c0b6755753b939a9c6b6d/library/test/src/lib.rs:569:43
[INFO] [stdout]   55:     0x55815bd0c704 - test::run_test::{{closure}}::h6e11dba8131d354b
[INFO] [stdout]                                at /rustc/b642703cf9526da1e72c0b6755753b939a9c6b6d/library/test/src/lib.rs:599:41
[INFO] [stdout]   56:     0x55815bd0c704 - std::sys_common::backtrace::__rust_begin_short_backtrace::ha71b3541b59bdbbb
[INFO] [stdout]                                at /rustc/b642703cf9526da1e72c0b6755753b939a9c6b6d/library/std/src/sys_common/backtrace.rs:155:18
[INFO] [stdout]   57:     0x55815bd111d2 - std::thread::Builder::spawn_unchecked_::{{closure}}::{{closure}}::hef92127c5ef9e53c
[INFO] [stdout]                                at /rustc/b642703cf9526da1e72c0b6755753b939a9c6b6d/library/std/src/thread/mod.rs:542:17
[INFO] [stdout]   58:     0x55815bd111d2 - <core::panic::unwind_safe::AssertUnwindSafe<F> as core::ops::function::FnOnce<()>>::call_once::h859c109f9d11c92b
[INFO] [stdout]                                at /rustc/b642703cf9526da1e72c0b6755753b939a9c6b6d/library/core/src/panic/unwind_safe.rs:272:9
[INFO] [stdout]   59:     0x55815bd111d2 - std::panicking::try::do_call::hbf534c458cd858f0
[INFO] [stdout]                                at /rustc/b642703cf9526da1e72c0b6755753b939a9c6b6d/library/std/src/panicking.rs:559:40
[INFO] [stdout]   60:     0x55815bd111d2 - std::panicking::try::h65c18365a7b9ad90
[INFO] [stdout]                                at /rustc/b642703cf9526da1e72c0b6755753b939a9c6b6d/library/std/src/panicking.rs:523:19
[INFO] [stdout]   61:     0x55815bd111d2 - std::panic::catch_unwind::h21b25d4c69478c39
[INFO] [stdout]                                at /rustc/b642703cf9526da1e72c0b6755753b939a9c6b6d/library/std/src/panic.rs:149:14
[INFO] [stdout]   62:     0x55815bd111d2 - std::thread::Builder::spawn_unchecked_::{{closure}}::h23335f620275a9bf
[INFO] [stdout]                                at /rustc/b642703cf9526da1e72c0b6755753b939a9c6b6d/library/std/src/thread/mod.rs:541:30
[INFO] [stdout]   63:     0x55815bd111d2 - core::ops::function::FnOnce::call_once{{vtable.shim}}::hb491dc55513e9b7c
[INFO] [stdout]                                at /rustc/b642703cf9526da1e72c0b6755753b939a9c6b6d/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   64:     0x55815bf321ab - <alloc::boxed::Box<F,A> as core::ops::function::FnOnce<Args>>::call_once::h41b39260afcffdc9
[INFO] [stdout]                                at /rustc/b642703cf9526da1e72c0b6755753b939a9c6b6d/library/alloc/src/boxed.rs:2022:9
[INFO] [stdout]   65:     0x55815bf321ab - <alloc::boxed::Box<F,A> as core::ops::function::FnOnce<Args>>::call_once::h6694c8dc6dd010c4
[INFO] [stdout]                                at /rustc/b642703cf9526da1e72c0b6755753b939a9c6b6d/library/alloc/src/boxed.rs:2022:9
[INFO] [stdout]   66:     0x55815bf321ab - std::sys::pal::unix::thread::Thread::new::thread_start::hf16038e1c8e19c99
[INFO] [stdout]                                at /rustc/b642703cf9526da1e72c0b6755753b939a9c6b6d/library/std/src/sys/pal/unix/thread.rs:108:17
[INFO] [stdout]   67:     0x7f5a291c4ac3 - <unknown>
[INFO] [stdout]   68:     0x7f5a29255a04 - __clone
[INFO] [stdout]   69:                0x0 - <unknown>
[INFO] [stdout] 
[INFO] [stdout] ---- tests::read_dir_multi_level stdout ----
[INFO] [stdout] May 25 05:24:00.938 DEBG mounting FUSE file-system in namespace
[INFO] [stdout] thread 'tests::read_dir_multi_level' panicked at src/lib.rs:1178:18:
[INFO] [stdout] called `Result::unwrap()` on an `Err` value: ENOSYS: Function not implemented
[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/index.crates.io-6f17d22bba15001f/anyhow-1.0.82/src/backtrace.rs:27:14
[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/b642703cf9526da1e72c0b6755753b939a9c6b6d/library/core/src/result.rs:1964:27
[INFO] [stdout]    2: maelstrom_fuse::fuse_mount_namespace::{{closure}}::{{closure}}
[INFO] [stdout]              at /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/maelstrom-fuse-0.8.0/src/lib.rs:127:27
[INFO] [stdout]    3: <tokio::runtime::blocking::task::BlockingTask<T> as core::future::future::Future>::poll
[INFO] [stdout]              at /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/tokio-1.37.0/src/runtime/blocking/task.rs:42:21
[INFO] [stdout]    4: tokio::runtime::task::core::Core<T,S>::poll::{{closure}}
[INFO] [stdout]              at /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/tokio-1.37.0/src/runtime/task/core.rs:328:17
[INFO] [stdout]    5: tokio::loom::std::unsafe_cell::UnsafeCell<T>::with_mut
[INFO] [stdout]              at /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/tokio-1.37.0/src/loom/std/unsafe_cell.rs:16:9
[INFO] [stdout]    6: tokio::runtime::task::core::Core<T,S>::poll
[INFO] [stdout]              at /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/tokio-1.37.0/src/runtime/task/core.rs:317:13
[INFO] [stdout]    7: tokio::runtime::task::harness::poll_future::{{closure}}
[INFO] [stdout]              at /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/tokio-1.37.0/src/runtime/task/harness.rs:485:19
[INFO] [stdout]    8: <core::panic::unwind_safe::AssertUnwindSafe<F> as core::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]              at /rustc/b642703cf9526da1e72c0b6755753b939a9c6b6d/library/core/src/panic/unwind_safe.rs:272:9
[INFO] [stdout]    9: std::panicking::try::do_call
[INFO] [stdout]              at /rustc/b642703cf9526da1e72c0b6755753b939a9c6b6d/library/std/src/panicking.rs:559:40
[INFO] [stdout]   10: __rust_try
[INFO] [stdout]   11: std::panicking::try
[INFO] [stdout]              at /rustc/b642703cf9526da1e72c0b6755753b939a9c6b6d/library/std/src/panicking.rs:523:19
[INFO] [stdout]   12: std::panic::catch_unwind
[INFO] [stdout]              at /rustc/b642703cf9526da1e72c0b6755753b939a9c6b6d/library/std/src/panic.rs:149:14
[INFO] [stdout]   13: tokio::runtime::task::harness::poll_future
[INFO] [stdout]              at /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/tokio-1.37.0/src/runtime/task/harness.rs:473:18
[INFO] [stdout]   14: tokio::runtime::task::harness::Harness<T,S>::poll_inner
[INFO] [stdout]              at /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/tokio-1.37.0/src/runtime/task/harness.rs:208:27
[INFO] [stdout]   15: tokio::runtime::task::harness::Harness<T,S>::poll
[INFO] [stdout]              at /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/tokio-1.37.0/src/runtime/task/harness.rs:153:15
[INFO] [stdout]   16: tokio::runtime::task::raw::poll
[INFO] [stdout]              at /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/tokio-1.37.0/src/runtime/task/raw.rs:271:5
[INFO] [stdout]   17: tokio::runtime::task::raw::RawTask::poll
[INFO] [stdout]              at /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/tokio-1.37.0/src/runtime/task/raw.rs:201:18
[INFO] [stdout]   18: tokio::runtime::task::UnownedTask<S>::run
[INFO] [stdout]              at /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/tokio-1.37.0/src/runtime/task/mod.rs:464:9
[INFO] [stdout]   19: tokio::runtime::blocking::pool::Task::run
[INFO] [stdout]              at /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/tokio-1.37.0/src/runtime/blocking/pool.rs:159:9
[INFO] [stdout]   20: tokio::runtime::blocking::pool::Inner::run
[INFO] [stdout]              at /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/tokio-1.37.0/src/runtime/blocking/pool.rs:513:17
[INFO] [stdout]   21: tokio::runtime::blocking::pool::Spawner::spawn_thread::{{closure}}
[INFO] [stdout]              at /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/tokio-1.37.0/src/runtime/blocking/pool.rs:471:13
[INFO] [stdout]   22: std::sys_common::backtrace::__rust_begin_short_backtrace
[INFO] [stdout]              at /rustc/b642703cf9526da1e72c0b6755753b939a9c6b6d/library/std/src/sys_common/backtrace.rs:155:18
[INFO] [stdout]   23: std::thread::Builder::spawn_unchecked_::{{closure}}::{{closure}}
[INFO] [stdout]              at /rustc/b642703cf9526da1e72c0b6755753b939a9c6b6d/library/std/src/thread/mod.rs:542:17
[INFO] [stdout]   24: <core::panic::unwind_safe::AssertUnwindSafe<F> as core::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]              at /rustc/b642703cf9526da1e72c0b6755753b939a9c6b6d/library/core/src/panic/unwind_safe.rs:272:9
[INFO] [stdout]   25: std::panicking::try::do_call
[INFO] [stdout]              at /rustc/b642703cf9526da1e72c0b6755753b939a9c6b6d/library/std/src/panicking.rs:559:40
[INFO] [stdout]   26: __rust_try
[INFO] [stdout]   27: std::panicking::try
[INFO] [stdout]              at /rustc/b642703cf9526da1e72c0b6755753b939a9c6b6d/library/std/src/panicking.rs:523:19
[INFO] [stdout]   28: std::panic::catch_unwind
[INFO] [stdout]              at /rustc/b642703cf9526da1e72c0b6755753b939a9c6b6d/library/std/src/panic.rs:149:14
[INFO] [stdout]   29: std::thread::Builder::spawn_unchecked_::{{closure}}
[INFO] [stdout]              at /rustc/b642703cf9526da1e72c0b6755753b939a9c6b6d/library/std/src/thread/mod.rs:541:30
[INFO] [stdout]   30: core::ops::function::FnOnce::call_once{{vtable.shim}}
[INFO] [stdout]              at /rustc/b642703cf9526da1e72c0b6755753b939a9c6b6d/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   31: <alloc::boxed::Box<F,A> as core::ops::function::FnOnce<Args>>::call_once
[INFO] [stdout]              at /rustc/b642703cf9526da1e72c0b6755753b939a9c6b6d/library/alloc/src/boxed.rs:2022:9
[INFO] [stdout]   32: <alloc::boxed::Box<F,A> as core::ops::function::FnOnce<Args>>::call_once
[INFO] [stdout]              at /rustc/b642703cf9526da1e72c0b6755753b939a9c6b6d/library/alloc/src/boxed.rs:2022:9
[INFO] [stdout]   33: std::sys::pal::unix::thread::Thread::new::thread_start
[INFO] [stdout]              at /rustc/b642703cf9526da1e72c0b6755753b939a9c6b6d/library/std/src/sys/pal/unix/thread.rs:108:17
[INFO] [stdout]   34: <unknown>
[INFO] [stdout]   35: __clone
[INFO] [stdout] stack backtrace:
[INFO] [stdout]    0:     0x55815bf2a915 - std::backtrace_rs::backtrace::libunwind::trace::he49dc9a9e3164223
[INFO] [stdout]                                at /rustc/b642703cf9526da1e72c0b6755753b939a9c6b6d/library/std/src/../../backtrace/src/backtrace/libunwind.rs:105:5
[INFO] [stdout]    1:     0x55815bf2a915 - std::backtrace_rs::backtrace::trace_unsynchronized::h3a3e77c68030aa6b
[INFO] [stdout]                                at /rustc/b642703cf9526da1e72c0b6755753b939a9c6b6d/library/std/src/../../backtrace/src/backtrace/mod.rs:66:5
[INFO] [stdout]    2:     0x55815bf2a915 - std::sys_common::backtrace::_print_fmt::h9479ad2f99afd5d4
[INFO] [stdout]                                at /rustc/b642703cf9526da1e72c0b6755753b939a9c6b6d/library/std/src/sys_common/backtrace.rs:68:5
[INFO] [stdout]    3:     0x55815bf2a915 - <std::sys_common::backtrace::_print::DisplayBacktrace as core::fmt::Display>::fmt::hfb01aa1fa3fb1821
[INFO] [stdout]                                at /rustc/b642703cf9526da1e72c0b6755753b939a9c6b6d/library/std/src/sys_common/backtrace.rs:44:22
[INFO] [stdout]    4:     0x55815bf53beb - core::fmt::rt::Argument::fmt::h125e56152abbc1c3
[INFO] [stdout]                                at /rustc/b642703cf9526da1e72c0b6755753b939a9c6b6d/library/core/src/fmt/rt.rs:165:63
[INFO] [stdout]    5:     0x55815bf53beb - core::fmt::write::hb0ab4ff05ccfe741
[INFO] [stdout]                                at /rustc/b642703cf9526da1e72c0b6755753b939a9c6b6d/library/core/src/fmt/mod.rs:1169:21
[INFO] [stdout]    6:     0x55815bf27bcf - std::io::Write::write_fmt::hea6336dbf2fa00b8
[INFO] [stdout]                                at /rustc/b642703cf9526da1e72c0b6755753b939a9c6b6d/library/std/src/io/mod.rs:1835:15
[INFO] [stdout]    7:     0x55815bf2a6ee - std::sys_common::backtrace::_print::h79ca548f3a2adf4b
[INFO] [stdout]                                at /rustc/b642703cf9526da1e72c0b6755753b939a9c6b6d/library/std/src/sys_common/backtrace.rs:47:5
[INFO] [stdout]    8:     0x55815bf2a6ee - std::sys_common::backtrace::print::h9aebf997b2fea2d3
[INFO] [stdout]                                at /rustc/b642703cf9526da1e72c0b6755753b939a9c6b6d/library/std/src/sys_common/backtrace.rs:34:9
[INFO] [stdout]    9:     0x55815bf2c059 - std::panicking::default_hook::{{closure}}::h68a0954af2694526
[INFO] [stdout]   10:     0x55815bf2bdac - std::panicking::default_hook::h5be50cc6849ffb00
[INFO] [stdout]                                at /rustc/b642703cf9526da1e72c0b6755753b939a9c6b6d/library/std/src/panicking.rs:295:9
[INFO] [stdout]   11:     0x55815bd3fd4f - <alloc::boxed::Box<F,A> as core::ops::function::Fn<Args>>::call::hd874405dcbd1d3ed
[INFO] [stdout]                                at /rustc/b642703cf9526da1e72c0b6755753b939a9c6b6d/library/alloc/src/boxed.rs:2036:9
[INFO] [stdout]   12:     0x55815bd3fd4f - test::test_main::{{closure}}::h4f26a9df34a84b94
[INFO] [stdout]                                at /rustc/b642703cf9526da1e72c0b6755753b939a9c6b6d/library/test/src/lib.rs:137:21
[INFO] [stdout]   13:     0x55815bf2c65b - <alloc::boxed::Box<F,A> as core::ops::function::Fn<Args>>::call::h00e96d9c62aa9a12
[INFO] [stdout]                                at /rustc/b642703cf9526da1e72c0b6755753b939a9c6b6d/library/alloc/src/boxed.rs:2036:9
[INFO] [stdout]   14:     0x55815bf2c65b - std::panicking::rust_panic_with_hook::h3c0df6036729334c
[INFO] [stdout]                                at /rustc/b642703cf9526da1e72c0b6755753b939a9c6b6d/library/std/src/panicking.rs:799:13
[INFO] [stdout]   15:     0x55815bf2c3d4 - std::panicking::begin_panic_handler::{{closure}}::ha3a21e93c4cfd807
[INFO] [stdout]                                at /rustc/b642703cf9526da1e72c0b6755753b939a9c6b6d/library/std/src/panicking.rs:664:13
[INFO] [stdout]   16:     0x55815bf2add9 - std::sys_common::backtrace::__rust_end_short_backtrace::h19508a8f8ae71dc9
[INFO] [stdout]                                at /rustc/b642703cf9526da1e72c0b6755753b939a9c6b6d/library/std/src/sys_common/backtrace.rs:171:18
[INFO] [stdout]   17:     0x55815bf2c107 - rust_begin_unwind
[INFO] [stdout]                                at /rustc/b642703cf9526da1e72c0b6755753b939a9c6b6d/library/std/src/panicking.rs:652:5
[INFO] [stdout]   18:     0x55815ba9b2b3 - core::panicking::panic_fmt::h2ba8af99174d83ea
[INFO] [stdout]                                at /rustc/b642703cf9526da1e72c0b6755753b939a9c6b6d/library/core/src/panicking.rs:72:14
[INFO] [stdout]   19:     0x55815ba9b806 - core::result::unwrap_failed::h52f3bbb78b59f71d
[INFO] [stdout]                                at /rustc/b642703cf9526da1e72c0b6755753b939a9c6b6d/library/core/src/result.rs:1654:5
[INFO] [stdout]   20:     0x55815bca635a - core::result::Result<T,E>::unwrap::h12d33d75ca13dd03
[INFO] [stdout]                                at /rustc/b642703cf9526da1e72c0b6755753b939a9c6b6d/library/core/src/result.rs:1077:23
[INFO] [stdout]   21:     0x55815bca635a - maelstrom_layer_fs::tests::Fixture::mount::{{closure}}::h76f7f34a1afa1da4
[INFO] [stdout]                                at /opt/rustwide/workdir/src/lib.rs:1175:13
[INFO] [stdout]   22:     0x55815bcb1be9 - maelstrom_layer_fs::tests::read_dir_multi_level::{{closure}}::h628969bf756440d6
[INFO] [stdout]                                at /opt/rustwide/workdir/src/lib.rs:1226:48
[INFO] [stdout]   23:     0x55815bc89d52 - <core::pin::Pin<P> as core::future::future::Future>::poll::h6a85ffe21b2c4c95
[INFO] [stdout]                                at /rustc/b642703cf9526da1e72c0b6755753b939a9c6b6d/library/core/src/future/future.rs:123:9
[INFO] [stdout]   24:     0x55815bc89ccd - <core::pin::Pin<P> as core::future::future::Future>::poll::h3a17e493fe70644b
[INFO] [stdout]                                at /rustc/b642703cf9526da1e72c0b6755753b939a9c6b6d/library/core/src/future/future.rs:123:9
[INFO] [stdout]   25:     0x55815bc70c2f - tokio::runtime::scheduler::current_thread::CoreGuard::block_on::{{closure}}::{{closure}}::{{closure}}::hbcae7a313f3c6152
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/tokio-1.37.0/src/runtime/scheduler/current_thread/mod.rs:659:57
[INFO] [stdout]   26:     0x55815bc70b65 - tokio::runtime::coop::with_budget::h5ac2764e228d0de6
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/tokio-1.37.0/src/runtime/coop.rs:107:5
[INFO] [stdout]   27:     0x55815bc70b65 - tokio::runtime::coop::budget::hc658c8e4cb0a0c8d
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/tokio-1.37.0/src/runtime/coop.rs:73:5
[INFO] [stdout]   28:     0x55815bc70b65 - tokio::runtime::scheduler::current_thread::CoreGuard::block_on::{{closure}}::{{closure}}::h12e10693abf9f854
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/tokio-1.37.0/src/runtime/scheduler/current_thread/mod.rs:659:25
[INFO] [stdout]   29:     0x55815bc6f650 - tokio::runtime::scheduler::current_thread::Context::enter::h1a25ea7e5529a0a0
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/tokio-1.37.0/src/runtime/scheduler/current_thread/mod.rs:404:19
[INFO] [stdout]   30:     0x55815bc703eb - tokio::runtime::scheduler::current_thread::CoreGuard::block_on::{{closure}}::h938371df17317d12
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/tokio-1.37.0/src/runtime/scheduler/current_thread/mod.rs:658:36
[INFO] [stdout]   31:     0x55815bc70164 - tokio::runtime::scheduler::current_thread::CoreGuard::enter::{{closure}}::h23361fef9920aca5
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/tokio-1.37.0/src/runtime/scheduler/current_thread/mod.rs:737:68
[INFO] [stdout]   32:     0x55815bc351fb - tokio::runtime::context::scoped::Scoped<T>::set::hfcf659facfad285b
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/tokio-1.37.0/src/runtime/context/scoped.rs:40:9
[INFO] [stdout]   33:     0x55815bb3e999 - tokio::runtime::context::set_scheduler::{{closure}}::h2fae601fb4a4e825
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/tokio-1.37.0/src/runtime/context.rs:176:26
[INFO] [stdout]   34:     0x55815bc945a0 - std::thread::local::LocalKey<T>::try_with::hfb57897efafa1ada
[INFO] [stdout]                                at /rustc/b642703cf9526da1e72c0b6755753b939a9c6b6d/library/std/src/thread/local.rs:286:12
[INFO] [stdout]   35:     0x55815bc92c5a - std::thread::local::LocalKey<T>::with::h943317245f47db8c
[INFO] [stdout]                                at /rustc/b642703cf9526da1e72c0b6755753b939a9c6b6d/library/std/src/thread/local.rs:262:9
[INFO] [stdout]   36:     0x55815bb3e94d - tokio::runtime::context::set_scheduler::hf044fc79721ae8bb
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/tokio-1.37.0/src/runtime/context.rs:176:9
[INFO] [stdout]   37:     0x55815bc6ff10 - tokio::runtime::scheduler::current_thread::CoreGuard::enter::h4f1e663cea134727
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/tokio-1.37.0/src/runtime/scheduler/current_thread/mod.rs:737:27
[INFO] [stdout]   38:     0x55815bc70183 - tokio::runtime::scheduler::current_thread::CoreGuard::block_on::h1765e4a6caf65d57
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/tokio-1.37.0/src/runtime/scheduler/current_thread/mod.rs:646:19
[INFO] [stdout]   39:     0x55815bc6cf33 - tokio::runtime::scheduler::current_thread::CurrentThread::block_on::{{closure}}::h80daa66651dbb412
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/tokio-1.37.0/src/runtime/scheduler/current_thread/mod.rs:175:28
[INFO] [stdout]   40:     0x55815bc370d6 - tokio::runtime::context::runtime::enter_runtime::hcd80078119a75897
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/tokio-1.37.0/src/runtime/context/runtime.rs:65:16
[INFO] [stdout]   41:     0x55815bc6ce91 - tokio::runtime::scheduler::current_thread::CurrentThread::block_on::h0f169576765c3721
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/tokio-1.37.0/src/runtime/scheduler/current_thread/mod.rs:167:9
[INFO] [stdout]   42:     0x55815bc8865d - tokio::runtime::runtime::Runtime::block_on::hfd88ea622e450ffa
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/tokio-1.37.0/src/runtime/runtime.rs:349:47
[INFO] [stdout]   43:     0x55815bcb13d0 - maelstrom_layer_fs::tests::read_dir_multi_level::h5b4335996c44237d
[INFO] [stdout]                                at /opt/rustwide/workdir/src/lib.rs:1240:9
[INFO] [stdout]   44:     0x55815bcb1267 - maelstrom_layer_fs::tests::read_dir_multi_level::{{closure}}::h1b9a06334ced9842
[INFO] [stdout]                                at /opt/rustwide/workdir/src/lib.rs:1215:36
[INFO] [stdout]   45:     0x55815baa08e6 - core::ops::function::FnOnce::call_once::hf6e52c904821e7ea
[INFO] [stdout]                                at /rustc/b642703cf9526da1e72c0b6755753b939a9c6b6d/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   46:     0x55815bd4466b - core::ops::function::FnOnce::call_once::h18c6bf92212b87a4
[INFO] [stdout]                                at /rustc/b642703cf9526da1e72c0b6755753b939a9c6b6d/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   47:     0x55815bd4466b - test::__rust_begin_short_backtrace::hdcf0edcfa9080086
[INFO] [stdout]                                at /rustc/b642703cf9526da1e72c0b6755753b939a9c6b6d/library/test/src/lib.rs:625:18
[INFO] [stdout]   48:     0x55815bd43d31 - test::run_test_in_process::{{closure}}::heac2c4eb375d2d10
[INFO] [stdout]                                at /rustc/b642703cf9526da1e72c0b6755753b939a9c6b6d/library/test/src/lib.rs:648:60
[INFO] [stdout]   49:     0x55815bd43d31 - <core::panic::unwind_safe::AssertUnwindSafe<F> as core::ops::function::FnOnce<()>>::call_once::h0289bafc8a1cc004
[INFO] [stdout]                                at /rustc/b642703cf9526da1e72c0b6755753b939a9c6b6d/library/core/src/panic/unwind_safe.rs:272:9
[INFO] [stdout]   50:     0x55815bd43d31 - std::panicking::try::do_call::h5e158f1ad8a5f983
[INFO] [stdout]                                at /rustc/b642703cf9526da1e72c0b6755753b939a9c6b6d/library/std/src/panicking.rs:559:40
[INFO] [stdout]   51:     0x55815bd43d31 - std::panicking::try::hea3411d60321c4de
[INFO] [stdout]                                at /rustc/b642703cf9526da1e72c0b6755753b939a9c6b6d/library/std/src/panicking.rs:523:19
[INFO] [stdout]   52:     0x55815bd43d31 - std::panic::catch_unwind::hafb7bb18bc47bbc7
[INFO] [stdout]                                at /rustc/b642703cf9526da1e72c0b6755753b939a9c6b6d/library/std/src/panic.rs:149:14
[INFO] [stdout]   53:     0x55815bd43d31 - test::run_test_in_process::h74dd138dc7762d99
[INFO] [stdout]                                at /rustc/b642703cf9526da1e72c0b6755753b939a9c6b6d/library/test/src/lib.rs:648:27
[INFO] [stdout]   54:     0x55815bd43d31 - test::run_test::{{closure}}::h6b390822e63606cf
[INFO] [stdout]                                at /rustc/b642703cf9526da1e72c0b6755753b939a9c6b6d/library/test/src/lib.rs:569:43
[INFO] [stdout]   55:     0x55815bd0c704 - test::run_test::{{closure}}::h6e11dba8131d354b
[INFO] [stdout]                                at /rustc/b642703cf9526da1e72c0b6755753b939a9c6b6d/library/test/src/lib.rs:599:41
[INFO] [stdout]   56:     0x55815bd0c704 - std::sys_common::backtrace::__rust_begin_short_backtrace::ha71b3541b59bdbbb
[INFO] [stdout]                                at /rustc/b642703cf9526da1e72c0b6755753b939a9c6b6d/library/std/src/sys_common/backtrace.rs:155:18
[INFO] [stdout]   57:     0x55815bd111d2 - std::thread::Builder::spawn_unchecked_::{{closure}}::{{closure}}::hef92127c5ef9e53c
[INFO] [stdout]                                at /rustc/b642703cf9526da1e72c0b6755753b939a9c6b6d/library/std/src/thread/mod.rs:542:17
[INFO] [stdout]   58:     0x55815bd111d2 - <core::panic::unwind_safe::AssertUnwindSafe<F> as core::ops::function::FnOnce<()>>::call_once::h859c109f9d11c92b
[INFO] [stdout]                                at /rustc/b642703cf9526da1e72c0b6755753b939a9c6b6d/library/core/src/panic/unwind_safe.rs:272:9
[INFO] [stdout]   59:     0x55815bd111d2 - std::panicking::try::do_call::hbf534c458cd858f0
[INFO] [stdout]                                at /rustc/b642703cf9526da1e72c0b6755753b939a9c6b6d/library/std/src/panicking.rs:559:40
[INFO] [stdout]   60:     0x55815bd111d2 - std::panicking::try::h65c18365a7b9ad90
[INFO] [stdout]                                at /rustc/b642703cf9526da1e72c0b6755753b939a9c6b6d/library/std/src/panicking.rs:523:19
[INFO] [stdout]   61:     0x55815bd111d2 - std::panic::catch_unwind::h21b25d4c69478c39
[INFO] [stdout]                                at /rustc/b642703cf9526da1e72c0b6755753b939a9c6b6d/library/std/src/panic.rs:149:14
[INFO] [stdout]   62:     0x55815bd111d2 - std::thread::Builder::spawn_unchecked_::{{closure}}::h23335f620275a9bf
[INFO] [stdout]                                at /rustc/b642703cf9526da1e72c0b6755753b939a9c6b6d/library/std/src/thread/mod.rs:541:30
[INFO] [stdout]   63:     0x55815bd111d2 - core::ops::function::FnOnce::call_once{{vtable.shim}}::hb491dc55513e9b7c
[INFO] [stdout]                                at /rustc/b642703cf9526da1e72c0b6755753b939a9c6b6d/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   64:     0x55815bf321ab - <alloc::boxed::Box<F,A> as core::ops::function::FnOnce<Args>>::call_once::h41b39260afcffdc9
[INFO] [stdout]                                at /rustc/b642703cf9526da1e72c0b6755753b939a9c6b6d/library/alloc/src/boxed.rs:2022:9
[INFO] [stdout]   65:     0x55815bf321ab - <alloc::boxed::Box<F,A> as core::ops::function::FnOnce<Args>>::call_once::h6694c8dc6dd010c4
[INFO] [stdout]                                at /rustc/b642703cf9526da1e72c0b6755753b939a9c6b6d/library/alloc/src/boxed.rs:2022:9
[INFO] [stdout]   66:     0x55815bf321ab - std::sys::pal::unix::thread::Thread::new::thread_start::hf16038e1c8e19c99
[INFO] [stdout]                                at /rustc/b642703cf9526da1e72c0b6755753b939a9c6b6d/library/std/src/sys/pal/unix/thread.rs:108:17
[INFO] [stdout]   67:     0x7f5a291c4ac3 - <unknown>
[INFO] [stdout]   68:     0x7f5a29255a04 - __clone
[INFO] [stdout]   69:                0x0 - <unknown>
[INFO] [stdout] 
[INFO] [stdout] ---- tests::read_dir_and_look_up stdout ----
[INFO] [stdout] May 25 05:24:00.867 DEBG mounting FUSE file-system in namespace
[INFO] [stdout] thread 'tests::read_dir_and_look_up' panicked at src/lib.rs:1178:18:
[INFO] [stdout] called `Result::unwrap()` on an `Err` value: ENOSYS: Function not implemented
[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/index.crates.io-6f17d22bba15001f/anyhow-1.0.82/src/backtrace.rs:27:14
[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/b642703cf9526da1e72c0b6755753b939a9c6b6d/library/core/src/result.rs:1964:27
[INFO] [stdout]    2: maelstrom_fuse::fuse_mount_namespace::{{closure}}::{{closure}}
[INFO] [stdout]              at /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/maelstrom-fuse-0.8.0/src/lib.rs:127:27
[INFO] [stdout]    3: <tokio::runtime::blocking::task::BlockingTask<T> as core::future::future::Future>::poll
[INFO] [stdout]              at /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/tokio-1.37.0/src/runtime/blocking/task.rs:42:21
[INFO] [stdout]    4: tokio::runtime::task::core::Core<T,S>::poll::{{closure}}
[INFO] [stdout]              at /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/tokio-1.37.0/src/runtime/task/core.rs:328:17
[INFO] [stdout]    5: tokio::loom::std::unsafe_cell::UnsafeCell<T>::with_mut
[INFO] [stdout]              at /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/tokio-1.37.0/src/loom/std/unsafe_cell.rs:16:9
[INFO] [stdout]    6: tokio::runtime::task::core::Core<T,S>::poll
[INFO] [stdout]              at /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/tokio-1.37.0/src/runtime/task/core.rs:317:13
[INFO] [stdout]    7: tokio::runtime::task::harness::poll_future::{{closure}}
[INFO] [stdout]              at /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/tokio-1.37.0/src/runtime/task/harness.rs:485:19
[INFO] [stdout]    8: <core::panic::unwind_safe::AssertUnwindSafe<F> as core::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]              at /rustc/b642703cf9526da1e72c0b6755753b939a9c6b6d/library/core/src/panic/unwind_safe.rs:272:9
[INFO] [stdout]    9: std::panicking::try::do_call
[INFO] [stdout]              at /rustc/b642703cf9526da1e72c0b6755753b939a9c6b6d/library/std/src/panicking.rs:559:40
[INFO] [stdout]   10: __rust_try
[INFO] [stdout]   11: std::panicking::try
[INFO] [stdout]              at /rustc/b642703cf9526da1e72c0b6755753b939a9c6b6d/library/std/src/panicking.rs:523:19
[INFO] [stdout]   12: std::panic::catch_unwind
[INFO] [stdout]              at /rustc/b642703cf9526da1e72c0b6755753b939a9c6b6d/library/std/src/panic.rs:149:14
[INFO] [stdout]   13: tokio::runtime::task::harness::poll_future
[INFO] [stdout]              at /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/tokio-1.37.0/src/runtime/task/harness.rs:473:18
[INFO] [stdout]   14: tokio::runtime::task::harness::Harness<T,S>::poll_inner
[INFO] [stdout]              at /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/tokio-1.37.0/src/runtime/task/harness.rs:208:27
[INFO] [stdout]   15: tokio::runtime::task::harness::Harness<T,S>::poll
[INFO] [stdout]              at /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/tokio-1.37.0/src/runtime/task/harness.rs:153:15
[INFO] [stdout]   16: tokio::runtime::task::raw::poll
[INFO] [stdout]              at /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/tokio-1.37.0/src/runtime/task/raw.rs:271:5
[INFO] [stdout]   17: tokio::runtime::task::raw::RawTask::poll
[INFO] [stdout]              at /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/tokio-1.37.0/src/runtime/task/raw.rs:201:18
[INFO] [stdout]   18: tokio::runtime::task::UnownedTask<S>::run
[INFO] [stdout]              at /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/tokio-1.37.0/src/runtime/task/mod.rs:464:9
[INFO] [stdout]   19: tokio::runtime::blocking::pool::Task::run
[INFO] [stdout]              at /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/tokio-1.37.0/src/runtime/blocking/pool.rs:159:9
[INFO] [stdout]   20: tokio::runtime::blocking::pool::Inner::run
[INFO] [stdout]              at /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/tokio-1.37.0/src/runtime/blocking/pool.rs:513:17
[INFO] [stdout]   21: tokio::runtime::blocking::pool::Spawner::spawn_thread::{{closure}}
[INFO] [stdout]              at /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/tokio-1.37.0/src/runtime/blocking/pool.rs:471:13
[INFO] [stdout]   22: std::sys_common::backtrace::__rust_begin_short_backtrace
[INFO] [stdout]              at /rustc/b642703cf9526da1e72c0b6755753b939a9c6b6d/library/std/src/sys_common/backtrace.rs:155:18
[INFO] [stdout]   23: std::thread::Builder::spawn_unchecked_::{{closure}}::{{closure}}
[INFO] [stdout]              at /rustc/b642703cf9526da1e72c0b6755753b939a9c6b6d/library/std/src/thread/mod.rs:542:17
[INFO] [stdout]   24: <core::panic::unwind_safe::AssertUnwindSafe<F> as core::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]              at /rustc/b642703cf9526da1e72c0b6755753b939a9c6b6d/library/core/src/panic/unwind_safe.rs:272:9
[INFO] [stdout]   25: std::panicking::try::do_call
[INFO] [stdout]              at /rustc/b642703cf9526da1e72c0b6755753b939a9c6b6d/library/std/src/panicking.rs:559:40
[INFO] [stdout]   26: __rust_try
[INFO] [stdout]   27: std::panicking::try
[INFO] [stdout]              at /rustc/b642703cf9526da1e72c0b6755753b939a9c6b6d/library/std/src/panicking.rs:523:19
[INFO] [stdout]   28: std::panic::catch_unwind
[INFO] [stdout]              at /rustc/b642703cf9526da1e72c0b6755753b939a9c6b6d/library/std/src/panic.rs:149:14
[INFO] [stdout]   29: std::thread::Builder::spawn_unchecked_::{{closure}}
[INFO] [stdout]              at /rustc/b642703cf9526da1e72c0b6755753b939a9c6b6d/library/std/src/thread/mod.rs:541:30
[INFO] [stdout]   30: core::ops::function::FnOnce::call_once{{vtable.shim}}
[INFO] [stdout]              at /rustc/b642703cf9526da1e72c0b6755753b939a9c6b6d/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   31: <alloc::boxed::Box<F,A> as core::ops::function::FnOnce<Args>>::call_once
[INFO] [stdout]              at /rustc/b642703cf9526da1e72c0b6755753b939a9c6b6d/library/alloc/src/boxed.rs:2022:9
[INFO] [stdout]   32: <alloc::boxed::Box<F,A> as core::ops::function::FnOnce<Args>>::call_once
[INFO] [stdout]              at /rustc/b642703cf9526da1e72c0b6755753b939a9c6b6d/library/alloc/src/boxed.rs:2022:9
[INFO] [stdout]   33: std::sys::pal::unix::thread::Thread::new::thread_start
[INFO] [stdout]              at /rustc/b642703cf9526da1e72c0b6755753b939a9c6b6d/library/std/src/sys/pal/unix/thread.rs:108:17
[INFO] [stdout]   34: <unknown>
[INFO] [stdout]   35: __clone
[INFO] [stdout] stack backtrace:
[INFO] [stdout]    0:     0x55815bf2a915 - std::backtrace_rs::backtrace::libunwind::trace::he49dc9a9e3164223
[INFO] [stdout]                                at /rustc/b642703cf9526da1e72c0b6755753b939a9c6b6d/library/std/src/../../backtrace/src/backtrace/libunwind.rs:105:5
[INFO] [stdout]    1:     0x55815bf2a915 - std::backtrace_rs::backtrace::trace_unsynchronized::h3a3e77c68030aa6b
[INFO] [stdout]                                at /rustc/b642703cf9526da1e72c0b6755753b939a9c6b6d/library/std/src/../../backtrace/src/backtrace/mod.rs:66:5
[INFO] [stdout]    2:     0x55815bf2a915 - std::sys_common::backtrace::_print_fmt::h9479ad2f99afd5d4
[INFO] [stdout]                                at /rustc/b642703cf9526da1e72c0b6755753b939a9c6b6d/library/std/src/sys_common/backtrace.rs:68:5
[INFO] [stdout]    3:     0x55815bf2a915 - <std::sys_common::backtrace::_print::DisplayBacktrace as core::fmt::Display>::fmt::hfb01aa1fa3fb1821
[INFO] [stdout]                                at /rustc/b642703cf9526da1e72c0b6755753b939a9c6b6d/library/std/src/sys_common/backtrace.rs:44:22
[INFO] [stdout]    4:     0x55815bf53beb - core::fmt::rt::Argument::fmt::h125e56152abbc1c3
[INFO] [stdout]                                at /rustc/b642703cf9526da1e72c0b6755753b939a9c6b6d/library/core/src/fmt/rt.rs:165:63
[INFO] [stdout]    5:     0x55815bf53beb - core::fmt::write::hb0ab4ff05ccfe741
[INFO] [stdout]                                at /rustc/b642703cf9526da1e72c0b6755753b939a9c6b6d/library/core/src/fmt/mod.rs:1169:21
[INFO] [stdout]    6:     0x55815bf27bcf - std::io::Write::write_fmt::hea6336dbf2fa00b8
[INFO] [stdout]                                at /rustc/b642703cf9526da1e72c0b6755753b939a9c6b6d/library/std/src/io/mod.rs:1835:15
[INFO] [stdout]    7:     0x55815bf2a6ee - std::sys_common::backtrace::_print::h79ca548f3a2adf4b
[INFO] [stdout]                                at /rustc/b642703cf9526da1e72c0b6755753b939a9c6b6d/library/std/src/sys_common/backtrace.rs:47:5
[INFO] [stdout]    8:     0x55815bf2a6ee - std::sys_common::backtrace::print::h9aebf997b2fea2d3
[INFO] [stdout]                                at /rustc/b642703cf9526da1e72c0b6755753b939a9c6b6d/library/std/src/sys_common/backtrace.rs:34:9
[INFO] [stdout]    9:     0x55815bf2c059 - std::panicking::default_hook::{{closure}}::h68a0954af2694526
[INFO] [stdout]   10:     0x55815bf2bdac - std::panicking::default_hook::h5be50cc6849ffb00
[INFO] [stdout]                                at /rustc/b642703cf9526da1e72c0b6755753b939a9c6b6d/library/std/src/panicking.rs:295:9
[INFO] [stdout]   11:     0x55815bd3fd4f - <alloc::boxed::Box<F,A> as core::ops::function::Fn<Args>>::call::hd874405dcbd1d3ed
[INFO] [stdout]                                at /rustc/b642703cf9526da1e72c0b6755753b939a9c6b6d/library/alloc/src/boxed.rs:2036:9
[INFO] [stdout]   12:     0x55815bd3fd4f - test::test_main::{{closure}}::h4f26a9df34a84b94
[INFO] [stdout]                                at /rustc/b642703cf9526da1e72c0b6755753b939a9c6b6d/library/test/src/lib.rs:137:21
[INFO] [stdout]   13:     0x55815bf2c65b - <alloc::boxed::Box<F,A> as core::ops::function::Fn<Args>>::call::h00e96d9c62aa9a12
[INFO] [stdout]                                at /rustc/b642703cf9526da1e72c0b6755753b939a9c6b6d/library/alloc/src/boxed.rs:2036:9
[INFO] [stdout]   14:     0x55815bf2c65b - std::panicking::rust_panic_with_hook::h3c0df6036729334c
[INFO] [stdout]                                at /rustc/b642703cf9526da1e72c0b6755753b939a9c6b6d/library/std/src/panicking.rs:799:13
[INFO] [stdout]   15:     0x55815bf2c3d4 - std::panicking::begin_panic_handler::{{closure}}::ha3a21e93c4cfd807
[INFO] [stdout]                                at /rustc/b642703cf9526da1e72c0b6755753b939a9c6b6d/library/std/src/panicking.rs:664:13
[INFO] [stdout]   16:     0x55815bf2add9 - std::sys_common::backtrace::__rust_end_short_backtrace::h19508a8f8ae71dc9
[INFO] [stdout]                                at /rustc/b642703cf9526da1e72c0b6755753b939a9c6b6d/library/std/src/sys_common/backtrace.rs:171:18
[INFO] [stdout]   17:     0x55815bf2c107 - rust_begin_unwind
[INFO] [stdout]                                at /rustc/b642703cf9526da1e72c0b6755753b939a9c6b6d/library/std/src/panicking.rs:652:5
[INFO] [stdout]   18:     0x55815ba9b2b3 - core::panicking::panic_fmt::h2ba8af99174d83ea
[INFO] [stdout]                                at /rustc/b642703cf9526da1e72c0b6755753b939a9c6b6d/library/core/src/panicking.rs:72:14
[INFO] [stdout]   19:     0x55815ba9b806 - core::result::unwrap_failed::h52f3bbb78b59f71d
[INFO] [stdout]                                at /rustc/b642703cf9526da1e72c0b6755753b939a9c6b6d/library/core/src/result.rs:1654:5
[INFO] [stdout]   20:     0x55815bca635a - core::result::Result<T,E>::unwrap::h12d33d75ca13dd03
[INFO] [stdout]                                at /rustc/b642703cf9526da1e72c0b6755753b939a9c6b6d/library/core/src/result.rs:1077:23
[INFO] [stdout]   21:     0x55815bca635a - maelstrom_layer_fs::tests::Fixture::mount::{{closure}}::h76f7f34a1afa1da4
[INFO] [stdout]                                at /opt/rustwide/workdir/src/lib.rs:1175:13
[INFO] [stdout]   22:     0x55815bcb08f2 - maelstrom_layer_fs::tests::read_dir_and_look_up::{{closure}}::hea231044c2002c80
[INFO] [stdout]                                at /opt/rustwide/workdir/src/lib.rs:1195:48
[INFO] [stdout]   23:     0x55815bc89d52 - <core::pin::Pin<P> as core::future::future::Future>::poll::h6a85ffe21b2c4c95
[INFO] [stdout]                                at /rustc/b642703cf9526da1e72c0b6755753b939a9c6b6d/library/core/src/future/future.rs:123:9
[INFO] [stdout]   24:     0x55815bc89ccd - <core::pin::Pin<P> as core::future::future::Future>::poll::h3a17e493fe70644b
[INFO] [stdout]                                at /rustc/b642703cf9526da1e72c0b6755753b939a9c6b6d/library/core/src/future/future.rs:123:9
[INFO] [stdout]   25:     0x55815bc70c2f - tokio::runtime::scheduler::current_thread::CoreGuard::block_on::{{closure}}::{{closure}}::{{closure}}::hbcae7a313f3c6152
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/tokio-1.37.0/src/runtime/scheduler/current_thread/mod.rs:659:57
[INFO] [stdout]   26:     0x55815bc70b65 - tokio::runtime::coop::with_budget::h5ac2764e228d0de6
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/tokio-1.37.0/src/runtime/coop.rs:107:5
[INFO] [stdout]   27:     0x55815bc70b65 - tokio::runtime::coop::budget::hc658c8e4cb0a0c8d
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/tokio-1.37.0/src/runtime/coop.rs:73:5
[INFO] [stdout]   28:     0x55815bc70b65 - tokio::runtime::scheduler::current_thread::CoreGuard::block_on::{{closure}}::{{closure}}::h12e10693abf9f854
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/tokio-1.37.0/src/runtime/scheduler/current_thread/mod.rs:659:25
[INFO] [stdout]   29:     0x55815bc6f650 - tokio::runtime::scheduler::current_thread::Context::enter::h1a25ea7e5529a0a0
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/tokio-1.37.0/src/runtime/scheduler/current_thread/mod.rs:404:19
[INFO] [stdout]   30:     0x55815bc703eb - tokio::runtime::scheduler::current_thread::CoreGuard::block_on::{{closure}}::h938371df17317d12
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/tokio-1.37.0/src/runtime/scheduler/current_thread/mod.rs:658:36
[INFO] [stdout]   31:     0x55815bc70164 - tokio::runtime::scheduler::current_thread::CoreGuard::enter::{{closure}}::h23361fef9920aca5
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/tokio-1.37.0/src/runtime/scheduler/current_thread/mod.rs:737:68
[INFO] [stdout]   32:     0x55815bc351fb - tokio::runtime::context::scoped::Scoped<T>::set::hfcf659facfad285b
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/tokio-1.37.0/src/runtime/context/scoped.rs:40:9
[INFO] [stdout]   33:     0x55815bb3e999 - tokio::runtime::context::set_scheduler::{{closure}}::h2fae601fb4a4e825
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/tokio-1.37.0/src/runtime/context.rs:176:26
[INFO] [stdout]   34:     0x55815bc945a0 - std::thread::local::LocalKey<T>::try_with::hfb57897efafa1ada
[INFO] [stdout]                                at /rustc/b642703cf9526da1e72c0b6755753b939a9c6b6d/library/std/src/thread/local.rs:286:12
[INFO] [stdout]   35:     0x55815bc92c5a - std::thread::local::LocalKey<T>::with::h943317245f47db8c
[INFO] [stdout]                                at /rustc/b642703cf9526da1e72c0b6755753b939a9c6b6d/library/std/src/thread/local.rs:262:9
[INFO] [stdout]   36:     0x55815bb3e94d - tokio::runtime::context::set_scheduler::hf044fc79721ae8bb
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/tokio-1.37.0/src/runtime/context.rs:176:9
[INFO] [stdout]   37:     0x55815bc6ff10 - tokio::runtime::scheduler::current_thread::CoreGuard::enter::h4f1e663cea134727
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/tokio-1.37.0/src/runtime/scheduler/current_thread/mod.rs:737:27
[INFO] [stdout]   38:     0x55815bc70183 - tokio::runtime::scheduler::current_thread::CoreGuard::block_on::h1765e4a6caf65d57
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/tokio-1.37.0/src/runtime/scheduler/current_thread/mod.rs:646:19
[INFO] [stdout]   39:     0x55815bc6cf33 - tokio::runtime::scheduler::current_thread::CurrentThread::block_on::{{closure}}::h80daa66651dbb412
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/tokio-1.37.0/src/runtime/scheduler/current_thread/mod.rs:175:28
[INFO] [stdout]   40:     0x55815bc370d6 - tokio::runtime::context::runtime::enter_runtime::hcd80078119a75897
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/tokio-1.37.0/src/runtime/context/runtime.rs:65:16
[INFO] [stdout]   41:     0x55815bc6ce91 - tokio::runtime::scheduler::current_thread::CurrentThread::block_on::h0f169576765c3721
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/tokio-1.37.0/src/runtime/scheduler/current_thread/mod.rs:167:9
[INFO] [stdout]   42:     0x55815bc8865d - tokio::runtime::runtime::Runtime::block_on::hfd88ea622e450ffa
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/tokio-1.37.0/src/runtime/runtime.rs:349:47
[INFO] [stdout]   43:     0x55815bcb0030 - maelstrom_layer_fs::tests::read_dir_and_look_up::h80a56269465a5091
[INFO] [stdout]                                at /opt/rustwide/workdir/src/lib.rs:1211:9
[INFO] [stdout]   44:     0x55815bcafec7 - maelstrom_layer_fs::tests::read_dir_and_look_up::{{closure}}::h343559267d0b1026
[INFO] [stdout]                                at /opt/rustwide/workdir/src/lib.rs:1183:36
[INFO] [stdout]   45:     0x55815ba9e646 - core::ops::function::FnOnce::call_once::h7be10c229618c415
[INFO] [stdout]                                at /rustc/b642703cf9526da1e72c0b6755753b939a9c6b6d/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   46:     0x55815bd4466b - core::ops::function::FnOnce::call_once::h18c6bf92212b87a4
[INFO] [stdout]                                at /rustc/b642703cf9526da1e72c0b6755753b939a9c6b6d/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   47:     0x55815bd4466b - test::__rust_begin_short_backtrace::hdcf0edcfa9080086
[INFO] [stdout]                                at /rustc/b642703cf9526da1e72c0b6755753b939a9c6b6d/library/test/src/lib.rs:625:18
[INFO] [stdout]   48:     0x55815bd43d31 - test::run_test_in_process::{{closure}}::heac2c4eb375d2d10
[INFO] [stdout]                                at /rustc/b642703cf9526da1e72c0b6755753b939a9c6b6d/library/test/src/lib.rs:648:60
[INFO] [stdout]   49:     0x55815bd43d31 - <core::panic::unwind_safe::AssertUnwindSafe<F> as core::ops::function::FnOnce<()>>::call_once::h0289bafc8a1cc004
[INFO] [stdout]                                at /rustc/b642703cf9526da1e72c0b6755753b939a9c6b6d/library/core/src/panic/unwind_safe.rs:272:9
[INFO] [stdout]   50:     0x55815bd43d31 - std::panicking::try::do_call::h5e158f1ad8a5f983
[INFO] [stdout]                                at /rustc/b642703cf9526da1e72c0b6755753b939a9c6b6d/library/std/src/panicking.rs:559:40
[INFO] [stdout]   51:     0x55815bd43d31 - std::panicking::try::hea3411d60321c4de
[INFO] [stdout]                                at /rustc/b642703cf9526da1e72c0b6755753b939a9c6b6d/library/std/src/panicking.rs:523:19
[INFO] [stdout]   52:     0x55815bd43d31 - std::panic::catch_unwind::hafb7bb18bc47bbc7
[INFO] [stdout]                                at /rustc/b642703cf9526da1e72c0b6755753b939a9c6b6d/library/std/src/panic.rs:149:14
[INFO] [stdout]   53:     0x55815bd43d31 - test::run_test_in_process::h74dd138dc7762d99
[INFO] [stdout]                                at /rustc/b642703cf9526da1e72c0b6755753b939a9c6b6d/library/test/src/lib.rs:648:27
[INFO] [stdout]   54:     0x55815bd43d31 - test::run_test::{{closure}}::h6b390822e63606cf
[INFO] [stdout]                                at /rustc/b642703cf9526da1e72c0b6755753b939a9c6b6d/library/test/src/lib.rs:569:43
[INFO] [stdout]   55:     0x55815bd0c704 - test::run_test::{{closure}}::h6e11dba8131d354b
[INFO] [stdout]                                at /rustc/b642703cf9526da1e72c0b6755753b939a9c6b6d/library/test/src/lib.rs:599:41
[INFO] [stdout]   56:     0x55815bd0c704 - std::sys_common::backtrace::__rust_begin_short_backtrace::ha71b3541b59bdbbb
[INFO] [stdout]                                at /rustc/b642703cf9526da1e72c0b6755753b939a9c6b6d/library/std/src/sys_common/backtrace.rs:155:18
[INFO] [stdout]   57:     0x55815bd111d2 - std::thread::Builder::spawn_unchecked_::{{closure}}::{{closure}}::hef92127c5ef9e53c
[INFO] [stdout]                                at /rustc/b642703cf9526da1e72c0b6755753b939a9c6b6d/library/std/src/thread/mod.rs:542:17
[INFO] [stdout]   58:     0x55815bd111d2 - <core::panic::unwind_safe::AssertUnwindSafe<F> as core::ops::function::FnOnce<()>>::call_once::h859c109f9d11c92b
[INFO] [stdout]                                at /rustc/b642703cf9526da1e72c0b6755753b939a9c6b6d/library/core/src/panic/unwind_safe.rs:272:9
[INFO] [stdout]   59:     0x55815bd111d2 - std::panicking::try::do_call::hbf534c458cd858f0
[INFO] [stdout]                                at /rustc/b642703cf9526da1e72c0b6755753b939a9c6b6d/library/std/src/panicking.rs:559:40
[INFO] [stdout]   60:     0x55815bd111d2 - std::panicking::try::h65c18365a7b9ad90
[INFO] [stdout]                                at /rustc/b642703cf9526da1e72c0b6755753b939a9c6b6d/library/std/src/panicking.rs:523:19
[INFO] [stdout]   61:     0x55815bd111d2 - std::panic::catch_unwind::h21b25d4c69478c39
[INFO] [stdout]                                at /rustc/b642703cf9526da1e72c0b6755753b939a9c6b6d/library/std/src/panic.rs:149:14
[INFO] [stdout]   62:     0x55815bd111d2 - std::thread::Builder::spawn_unchecked_::{{closure}}::h23335f620275a9bf
[INFO] [stdout]                                at /rustc/b642703cf9526da1e72c0b6755753b939a9c6b6d/library/std/src/thread/mod.rs:541:30
[INFO] [stdout]   63:     0x55815bd111d2 - core::ops::function::FnOnce::call_once{{vtable.shim}}::hb491dc55513e9b7c
[INFO] [stdout]                                at /rustc/b642703cf9526da1e72c0b6755753b939a9c6b6d/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   64:     0x55815bf321ab - <alloc::boxed::Box<F,A> as core::ops::function::FnOnce<Args>>::call_once::h41b39260afcffdc9
[INFO] [stdout]                                at /rustc/b642703cf9526da1e72c0b6755753b939a9c6b6d/library/alloc/src/boxed.rs:2022:9
[INFO] [stdout]   65:     0x55815bf321ab - <alloc::boxed::Box<F,A> as core::ops::function::FnOnce<Args>>::call_once::h6694c8dc6dd010c4
[INFO] [stdout]                                at /rustc/b642703cf9526da1e72c0b6755753b939a9c6b6d/library/alloc/src/boxed.rs:2022:9
[INFO] [stdout]   66:     0x55815bf321ab - std::sys::pal::unix::thread::Thread::new::thread_start::hf16038e1c8e19c99
[INFO] [stdout]                                at /rustc/b642703cf9526da1e72c0b6755753b939a9c6b6d/library/std/src/sys/pal/unix/thread.rs:108:17
[INFO] [stdout]   67:     0x7f5a291c4ac3 - <unknown>
[INFO] [stdout]   68:     0x7f5a29255a04 - __clone
[INFO] [stdout]   69:                0x0 - <unknown>
[INFO] [stdout] 
[INFO] [stdout] ---- tests::read_inline stdout ----
[INFO] [stdout] May 25 05:24:00.867 DEBG mounting FUSE file-system in namespace
[INFO] [stdout] thread 'tests::read_inline' panicked at src/lib.rs:1178:18:
[INFO] [stdout] called `Result::unwrap()` on an `Err` value: ENOSYS: Function not implemented
[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/index.crates.io-6f17d22bba15001f/anyhow-1.0.82/src/backtrace.rs:27:14
[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/b642703cf9526da1e72c0b6755753b939a9c6b6d/library/core/src/result.rs:1964:27
[INFO] [stdout]    2: maelstrom_fuse::fuse_mount_namespace::{{closure}}::{{closure}}
[INFO] [stdout]              at /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/maelstrom-fuse-0.8.0/src/lib.rs:127:27
[INFO] [stdout]    3: <tokio::runtime::blocking::task::BlockingTask<T> as core::future::future::Future>::poll
[INFO] [stdout]              at /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/tokio-1.37.0/src/runtime/blocking/task.rs:42:21
[INFO] [stdout]    4: tokio::runtime::task::core::Core<T,S>::poll::{{closure}}
[INFO] [stdout]              at /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/tokio-1.37.0/src/runtime/task/core.rs:328:17
[INFO] [stdout]    5: tokio::loom::std::unsafe_cell::UnsafeCell<T>::with_mut
[INFO] [stdout]              at /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/tokio-1.37.0/src/loom/std/unsafe_cell.rs:16:9
[INFO] [stdout]    6: tokio::runtime::task::core::Core<T,S>::poll
[INFO] [stdout]              at /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/tokio-1.37.0/src/runtime/task/core.rs:317:13
[INFO] [stdout]    7: tokio::runtime::task::harness::poll_future::{{closure}}
[INFO] [stdout]              at /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/tokio-1.37.0/src/runtime/task/harness.rs:485:19
[INFO] [stdout]    8: <core::panic::unwind_safe::AssertUnwindSafe<F> as core::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]              at /rustc/b642703cf9526da1e72c0b6755753b939a9c6b6d/library/core/src/panic/unwind_safe.rs:272:9
[INFO] [stdout]    9: std::panicking::try::do_call
[INFO] [stdout]              at /rustc/b642703cf9526da1e72c0b6755753b939a9c6b6d/library/std/src/panicking.rs:559:40
[INFO] [stdout]   10: __rust_try
[INFO] [stdout]   11: std::panicking::try
[INFO] [stdout]              at /rustc/b642703cf9526da1e72c0b6755753b939a9c6b6d/library/std/src/panicking.rs:523:19
[INFO] [stdout]   12: std::panic::catch_unwind
[INFO] [stdout]              at /rustc/b642703cf9526da1e72c0b6755753b939a9c6b6d/library/std/src/panic.rs:149:14
[INFO] [stdout]   13: tokio::runtime::task::harness::poll_future
[INFO] [stdout]              at /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/tokio-1.37.0/src/runtime/task/harness.rs:473:18
[INFO] [stdout]   14: tokio::runtime::task::harness::Harness<T,S>::poll_inner
[INFO] [stdout]              at /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/tokio-1.37.0/src/runtime/task/harness.rs:208:27
[INFO] [stdout]   15: tokio::runtime::task::harness::Harness<T,S>::poll
[INFO] [stdout]              at /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/tokio-1.37.0/src/runtime/task/harness.rs:153:15
[INFO] [stdout]   16: tokio::runtime::task::raw::poll
[INFO] [stdout]              at /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/tokio-1.37.0/src/runtime/task/raw.rs:271:5
[INFO] [stdout]   17: tokio::runtime::task::raw::RawTask::poll
[INFO] [stdout]              at /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/tokio-1.37.0/src/runtime/task/raw.rs:201:18
[INFO] [stdout]   18: tokio::runtime::task::UnownedTask<S>::run
[INFO] [stdout]              at /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/tokio-1.37.0/src/runtime/task/mod.rs:464:9
[INFO] [stdout]   19: tokio::runtime::blocking::pool::Task::run
[INFO] [stdout]              at /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/tokio-1.37.0/src/runtime/blocking/pool.rs:159:9
[INFO] [stdout]   20: tokio::runtime::blocking::pool::Inner::run
[INFO] [stdout]              at /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/tokio-1.37.0/src/runtime/blocking/pool.rs:513:17
[INFO] [stdout]   21: tokio::runtime::blocking::pool::Spawner::spawn_thread::{{closure}}
[INFO] [stdout]              at /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/tokio-1.37.0/src/runtime/blocking/pool.rs:471:13
[INFO] [stdout]   22: std::sys_common::backtrace::__rust_begin_short_backtrace
[INFO] [stdout]              at /rustc/b642703cf9526da1e72c0b6755753b939a9c6b6d/library/std/src/sys_common/backtrace.rs:155:18
[INFO] [stdout]   23: std::thread::Builder::spawn_unchecked_::{{closure}}::{{closure}}
[INFO] [stdout]              at /rustc/b642703cf9526da1e72c0b6755753b939a9c6b6d/library/std/src/thread/mod.rs:542:17
[INFO] [stdout]   24: <core::panic::unwind_safe::AssertUnwindSafe<F> as core::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]              at /rustc/b642703cf9526da1e72c0b6755753b939a9c6b6d/library/core/src/panic/unwind_safe.rs:272:9
[INFO] [stdout]   25: std::panicking::try::do_call
[INFO] [stdout]              at /rustc/b642703cf9526da1e72c0b6755753b939a9c6b6d/library/std/src/panicking.rs:559:40
[INFO] [stdout]   26: __rust_try
[INFO] [stdout]   27: std::panicking::try
[INFO] [stdout]              at /rustc/b642703cf9526da1e72c0b6755753b939a9c6b6d/library/std/src/panicking.rs:523:19
[INFO] [stdout]   28: std::panic::catch_unwind
[INFO] [stdout]              at /rustc/b642703cf9526da1e72c0b6755753b939a9c6b6d/library/std/src/panic.rs:149:14
[INFO] [stdout]   29: std::thread::Builder::spawn_unchecked_::{{closure}}
[INFO] [stdout]              at /rustc/b642703cf9526da1e72c0b6755753b939a9c6b6d/library/std/src/thread/mod.rs:541:30
[INFO] [stdout]   30: core::ops::function::FnOnce::call_once{{vtable.shim}}
[INFO] [stdout]              at /rustc/b642703cf9526da1e72c0b6755753b939a9c6b6d/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   31: <alloc::boxed::Box<F,A> as core::ops::function::FnOnce<Args>>::call_once
[INFO] [stdout]              at /rustc/b642703cf9526da1e72c0b6755753b939a9c6b6d/library/alloc/src/boxed.rs:2022:9
[INFO] [stdout]   32: <alloc::boxed::Box<F,A> as core::ops::function::FnOnce<Args>>::call_once
[INFO] [stdout]              at /rustc/b642703cf9526da1e72c0b6755753b939a9c6b6d/library/alloc/src/boxed.rs:2022:9
[INFO] [stdout]   33: std::sys::pal::unix::thread::Thread::new::thread_start
[INFO] [stdout]              at /rustc/b642703cf9526da1e72c0b6755753b939a9c6b6d/library/std/src/sys/pal/unix/thread.rs:108:17
[INFO] [stdout]   34: <unknown>
[INFO] [stdout]   35: __clone
[INFO] [stdout] stack backtrace:
[INFO] [stdout]    0:     0x55815bf2a915 - std::backtrace_rs::backtrace::libunwind::trace::he49dc9a9e3164223
[INFO] [stdout]                                at /rustc/b642703cf9526da1e72c0b6755753b939a9c6b6d/library/std/src/../../backtrace/src/backtrace/libunwind.rs:105:5
[INFO] [stdout]    1:     0x55815bf2a915 - std::backtrace_rs::backtrace::trace_unsynchronized::h3a3e77c68030aa6b
[INFO] [stdout]                                at /rustc/b642703cf9526da1e72c0b6755753b939a9c6b6d/library/std/src/../../backtrace/src/backtrace/mod.rs:66:5
[INFO] [stdout]    2:     0x55815bf2a915 - std::sys_common::backtrace::_print_fmt::h9479ad2f99afd5d4
[INFO] [stdout]                                at /rustc/b642703cf9526da1e72c0b6755753b939a9c6b6d/library/std/src/sys_common/backtrace.rs:68:5
[INFO] [stdout]    3:     0x55815bf2a915 - <std::sys_common::backtrace::_print::DisplayBacktrace as core::fmt::Display>::fmt::hfb01aa1fa3fb1821
[INFO] [stdout]                                at /rustc/b642703cf9526da1e72c0b6755753b939a9c6b6d/library/std/src/sys_common/backtrace.rs:44:22
[INFO] [stdout]    4:     0x55815bf53beb - core::fmt::rt::Argument::fmt::h125e56152abbc1c3
[INFO] [stdout]                                at /rustc/b642703cf9526da1e72c0b6755753b939a9c6b6d/library/core/src/fmt/rt.rs:165:63
[INFO] [stdout]    5:     0x55815bf53beb - core::fmt::write::hb0ab4ff05ccfe741
[INFO] [stdout]                                at /rustc/b642703cf9526da1e72c0b6755753b939a9c6b6d/library/core/src/fmt/mod.rs:1169:21
[INFO] [stdout]    6:     0x55815bf27bcf - std::io::Write::write_fmt::hea6336dbf2fa00b8
[INFO] [stdout]                                at /rustc/b642703cf9526da1e72c0b6755753b939a9c6b6d/library/std/src/io/mod.rs:1835:15
[INFO] [stdout]    7:     0x55815bf2a6ee - std::sys_common::backtrace::_print::h79ca548f3a2adf4b
[INFO] [stdout]                                at /rustc/b642703cf9526da1e72c0b6755753b939a9c6b6d/library/std/src/sys_common/backtrace.rs:47:5
[INFO] [stdout]    8:     0x55815bf2a6ee - std::sys_common::backtrace::print::h9aebf997b2fea2d3
[INFO] [stdout]                                at /rustc/b642703cf9526da1e72c0b6755753b939a9c6b6d/library/std/src/sys_common/backtrace.rs:34:9
[INFO] [stdout]    9:     0x55815bf2c059 - std::panicking::default_hook::{{closure}}::h68a0954af2694526
[INFO] [stdout]   10:     0x55815bf2bdac - std::panicking::default_hook::h5be50cc6849ffb00
[INFO] [stdout]                                at /rustc/b642703cf9526da1e72c0b6755753b939a9c6b6d/library/std/src/panicking.rs:295:9
[INFO] [stdout]   11:     0x55815bd3fd4f - <alloc::boxed::Box<F,A> as core::ops::function::Fn<Args>>::call::hd874405dcbd1d3ed
[INFO] [stdout]                                at /rustc/b642703cf9526da1e72c0b6755753b939a9c6b6d/library/alloc/src/boxed.rs:2036:9
[INFO] [stdout]   12:     0x55815bd3fd4f - test::test_main::{{closure}}::h4f26a9df34a84b94
[INFO] [stdout]                                at /rustc/b642703cf9526da1e72c0b6755753b939a9c6b6d/library/test/src/lib.rs:137:21
[INFO] [stdout]   13:     0x55815bf2c65b - <alloc::boxed::Box<F,A> as core::ops::function::Fn<Args>>::call::h00e96d9c62aa9a12
[INFO] [stdout]                                at /rustc/b642703cf9526da1e72c0b6755753b939a9c6b6d/library/alloc/src/boxed.rs:2036:9
[INFO] [stdout]   14:     0x55815bf2c65b - std::panicking::rust_panic_with_hook::h3c0df6036729334c
[INFO] [stdout]                                at /rustc/b642703cf9526da1e72c0b6755753b939a9c6b6d/library/std/src/panicking.rs:799:13
[INFO] [stdout]   15:     0x55815bf2c3d4 - std::panicking::begin_panic_handler::{{closure}}::ha3a21e93c4cfd807
[INFO] [stdout]                                at /rustc/b642703cf9526da1e72c0b6755753b939a9c6b6d/library/std/src/panicking.rs:664:13
[INFO] [stdout]   16:     0x55815bf2add9 - std::sys_common::backtrace::__rust_end_short_backtrace::h19508a8f8ae71dc9
[INFO] [stdout]                                at /rustc/b642703cf9526da1e72c0b6755753b939a9c6b6d/library/std/src/sys_common/backtrace.rs:171:18
[INFO] [stdout]   17:     0x55815bf2c107 - rust_begin_unwind
[INFO] [stdout]                                at /rustc/b642703cf9526da1e72c0b6755753b939a9c6b6d/library/std/src/panicking.rs:652:5
[INFO] [stdout]   18:     0x55815ba9b2b3 - core::panicking::panic_fmt::h2ba8af99174d83ea
[INFO] [stdout]                                at /rustc/b642703cf9526da1e72c0b6755753b939a9c6b6d/library/core/src/panicking.rs:72:14
[INFO] [stdout]   19:     0x55815ba9b806 - core::result::unwrap_failed::h52f3bbb78b59f71d
[INFO] [stdout]                                at /rustc/b642703cf9526da1e72c0b6755753b939a9c6b6d/library/core/src/result.rs:1654:5
[INFO] [stdout]   20:     0x55815bca635a - core::result::Result<T,E>::unwrap::h12d33d75ca13dd03
[INFO] [stdout]                                at /rustc/b642703cf9526da1e72c0b6755753b939a9c6b6d/library/core/src/result.rs:1077:23
[INFO] [stdout]   21:     0x55815bca635a - maelstrom_layer_fs::tests::Fixture::mount::{{closure}}::h76f7f34a1afa1da4
[INFO] [stdout]                                at /opt/rustwide/workdir/src/lib.rs:1175:13
[INFO] [stdout]   22:     0x55815bcb556a - maelstrom_layer_fs::tests::read_inline::{{closure}}::h7bfe320ccf3bd35a
[INFO] [stdout]                                at /opt/rustwide/workdir/src/lib.rs:1325:48
[INFO] [stdout]   23:     0x55815bc89d52 - <core::pin::Pin<P> as core::future::future::Future>::poll::h6a85ffe21b2c4c95
[INFO] [stdout]                                at /rustc/b642703cf9526da1e72c0b6755753b939a9c6b6d/library/core/src/future/future.rs:123:9
[INFO] [stdout]   24:     0x55815bc89ccd - <core::pin::Pin<P> as core::future::future::Future>::poll::h3a17e493fe70644b
[INFO] [stdout]                                at /rustc/b642703cf9526da1e72c0b6755753b939a9c6b6d/library/core/src/future/future.rs:123:9
[INFO] [stdout]   25:     0x55815bc70c2f - tokio::runtime::scheduler::current_thread::CoreGuard::block_on::{{closure}}::{{closure}}::{{closure}}::hbcae7a313f3c6152
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/tokio-1.37.0/src/runtime/scheduler/current_thread/mod.rs:659:57
[INFO] [stdout]   26:     0x55815bc70b65 - tokio::runtime::coop::with_budget::h5ac2764e228d0de6
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/tokio-1.37.0/src/runtime/coop.rs:107:5
[INFO] [stdout]   27:     0x55815bc70b65 - tokio::runtime::coop::budget::hc658c8e4cb0a0c8d
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/tokio-1.37.0/src/runtime/coop.rs:73:5
[INFO] [stdout]   28:     0x55815bc70b65 - tokio::runtime::scheduler::current_thread::CoreGuard::block_on::{{closure}}::{{closure}}::h12e10693abf9f854
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/tokio-1.37.0/src/runtime/scheduler/current_thread/mod.rs:659:25
[INFO] [stdout]   29:     0x55815bc6f650 - tokio::runtime::scheduler::current_thread::Context::enter::h1a25ea7e5529a0a0
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/tokio-1.37.0/src/runtime/scheduler/current_thread/mod.rs:404:19
[INFO] [stdout]   30:     0x55815bc703eb - tokio::runtime::scheduler::current_thread::CoreGuard::block_on::{{closure}}::h938371df17317d12
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/tokio-1.37.0/src/runtime/scheduler/current_thread/mod.rs:658:36
[INFO] [stdout]   31:     0x55815bc70164 - tokio::runtime::scheduler::current_thread::CoreGuard::enter::{{closure}}::h23361fef9920aca5
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/tokio-1.37.0/src/runtime/scheduler/current_thread/mod.rs:737:68
[INFO] [stdout]   32:     0x55815bc351fb - tokio::runtime::context::scoped::Scoped<T>::set::hfcf659facfad285b
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/tokio-1.37.0/src/runtime/context/scoped.rs:40:9
[INFO] [stdout]   33:     0x55815bb3e999 - tokio::runtime::context::set_scheduler::{{closure}}::h2fae601fb4a4e825
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/tokio-1.37.0/src/runtime/context.rs:176:26
[INFO] [stdout]   34:     0x55815bc945a0 - std::thread::local::LocalKey<T>::try_with::hfb57897efafa1ada
[INFO] [stdout]                                at /rustc/b642703cf9526da1e72c0b6755753b939a9c6b6d/library/std/src/thread/local.rs:286:12
[INFO] [stdout]   35:     0x55815bc92c5a - std::thread::local::LocalKey<T>::with::h943317245f47db8c
[INFO] [stdout]                                at /rustc/b642703cf9526da1e72c0b6755753b939a9c6b6d/library/std/src/thread/local.rs:262:9
[INFO] [stdout]   36:     0x55815bb3e94d - tokio::runtime::context::set_scheduler::hf044fc79721ae8bb
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/tokio-1.37.0/src/runtime/context.rs:176:9
[INFO] [stdout]   37:     0x55815bc6ff10 - tokio::runtime::scheduler::current_thread::CoreGuard::enter::h4f1e663cea134727
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/tokio-1.37.0/src/runtime/scheduler/current_thread/mod.rs:737:27
[INFO] [stdout]   38:     0x55815bc70183 - tokio::runtime::scheduler::current_thread::CoreGuard::block_on::h1765e4a6caf65d57
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/tokio-1.37.0/src/runtime/scheduler/current_thread/mod.rs:646:19
[INFO] [stdout]   39:     0x55815bc6cf33 - tokio::runtime::scheduler::current_thread::CurrentThread::block_on::{{closure}}::h80daa66651dbb412
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/tokio-1.37.0/src/runtime/scheduler/current_thread/mod.rs:175:28
[INFO] [stdout]   40:     0x55815bc370d6 - tokio::runtime::context::runtime::enter_runtime::hcd80078119a75897
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/tokio-1.37.0/src/runtime/context/runtime.rs:65:16
[INFO] [stdout]   41:     0x55815bc6ce91 - tokio::runtime::scheduler::current_thread::CurrentThread::block_on::h0f169576765c3721
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/tokio-1.37.0/src/runtime/scheduler/current_thread/mod.rs:167:9
[INFO] [stdout]   42:     0x55815bc8865d - tokio::runtime::runtime::Runtime::block_on::hfd88ea622e450ffa
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/tokio-1.37.0/src/runtime/runtime.rs:349:47
[INFO] [stdout]   43:     0x55815bcb4d50 - maelstrom_layer_fs::tests::read_inline::haf06eaad15b39857
[INFO] [stdout]                                at /opt/rustwide/workdir/src/lib.rs:1338:9
[INFO] [stdout]   44:     0x55815bcb4be7 - maelstrom_layer_fs::tests::read_inline::{{closure}}::h0098c6cd4293081e
[INFO] [stdout]                                at /opt/rustwide/workdir/src/lib.rs:1314:27
[INFO] [stdout]   45:     0x55815ba9fbb6 - core::ops::function::FnOnce::call_once::hc9069de8f0daeeb3
[INFO] [stdout]                                at /rustc/b642703cf9526da1e72c0b6755753b939a9c6b6d/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   46:     0x55815bd4466b - core::ops::function::FnOnce::call_once::h18c6bf92212b87a4
[INFO] [stdout]                                at /rustc/b642703cf9526da1e72c0b6755753b939a9c6b6d/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   47:     0x55815bd4466b - test::__rust_begin_short_backtrace::hdcf0edcfa9080086
[INFO] [stdout]                                at /rustc/b642703cf9526da1e72c0b6755753b939a9c6b6d/library/test/src/lib.rs:625:18
[INFO] [stdout]   48:     0x55815bd43d31 - test::run_test_in_process::{{closure}}::heac2c4eb375d2d10
[INFO] [stdout]                                at /rustc/b642703cf9526da1e72c0b6755753b939a9c6b6d/library/test/src/lib.rs:648:60
[INFO] [stdout]   49:     0x55815bd43d31 - <core::panic::unwind_safe::AssertUnwindSafe<F> as core::ops::function::FnOnce<()>>::call_once::h0289bafc8a1cc004
[INFO] [stdout]                                at /rustc/b642703cf9526da1e72c0b6755753b939a9c6b6d/library/core/src/panic/unwind_safe.rs:272:9
[INFO] [stdout]   50:     0x55815bd43d31 - std::panicking::try::do_call::h5e158f1ad8a5f983
[INFO] [stdout]                                at /rustc/b642703cf9526da1e72c0b6755753b939a9c6b6d/library/std/src/panicking.rs:559:40
[INFO] [stdout]   51:     0x55815bd43d31 - std::panicking::try::hea3411d60321c4de
[INFO] [stdout]                                at /rustc/b642703cf9526da1e72c0b6755753b939a9c6b6d/library/std/src/panicking.rs:523:19
[INFO] [stdout]   52:     0x55815bd43d31 - std::panic::catch_unwind::hafb7bb18bc47bbc7
[INFO] [stdout]                                at /rustc/b642703cf9526da1e72c0b6755753b939a9c6b6d/library/std/src/panic.rs:149:14
[INFO] [stdout]   53:     0x55815bd43d31 - test::run_test_in_process::h74dd138dc7762d99
[INFO] [stdout]                                at /rustc/b642703cf9526da1e72c0b6755753b939a9c6b6d/library/test/src/lib.rs:648:27
[INFO] [stdout]   54:     0x55815bd43d31 - test::run_test::{{closure}}::h6b390822e63606cf
[INFO] [stdout]                                at /rustc/b642703cf9526da1e72c0b6755753b939a9c6b6d/library/test/src/lib.rs:569:43
[INFO] [stdout]   55:     0x55815bd0c704 - test::run_test::{{closure}}::h6e11dba8131d354b
[INFO] [stdout]                                at /rustc/b642703cf9526da1e72c0b6755753b939a9c6b6d/library/test/src/lib.rs:599:41
[INFO] [stdout]   56:     0x55815bd0c704 - std::sys_common::backtrace::__rust_begin_short_backtrace::ha71b3541b59bdbbb
[INFO] [stdout]                                at /rustc/b642703cf9526da1e72c0b6755753b939a9c6b6d/library/std/src/sys_common/backtrace.rs:155:18
[INFO] [stdout]   57:     0x55815bd111d2 - std::thread::Builder::spawn_unchecked_::{{closure}}::{{closure}}::hef92127c5ef9e53c
[INFO] [stdout]                                at /rustc/b642703cf9526da1e72c0b6755753b939a9c6b6d/library/std/src/thread/mod.rs:542:17
[INFO] [stdout]   58:     0x55815bd111d2 - <core::panic::unwind_safe::AssertUnwindSafe<F> as core::ops::function::FnOnce<()>>::call_once::h859c109f9d11c92b
[INFO] [stdout]                                at /rustc/b642703cf9526da1e72c0b6755753b939a9c6b6d/library/core/src/panic/unwind_safe.rs:272:9
[INFO] [stdout]   59:     0x55815bd111d2 - std::panicking::try::do_call::hbf534c458cd858f0
[INFO] [stdout]                                at /rustc/b642703cf9526da1e72c0b6755753b939a9c6b6d/library/std/src/panicking.rs:559:40
[INFO] [stdout]   60:     0x55815bd111d2 - std::panicking::try::h65c18365a7b9ad90
[INFO] [stdout]                                at /rustc/b642703cf9526da1e72c0b6755753b939a9c6b6d/library/std/src/panicking.rs:523:19
[INFO] [stdout]   61:     0x55815bd111d2 - std::panic::catch_unwind::h21b25d4c69478c39
[INFO] [stdout]                                at /rustc/b642703cf9526da1e72c0b6755753b939a9c6b6d/library/std/src/panic.rs:149:14
[INFO] [stdout]   62:     0x55815bd111d2 - std::thread::Builder::spawn_unchecked_::{{closure}}::h23335f620275a9bf
[INFO] [stdout]                                at /rustc/b642703cf9526da1e72c0b6755753b939a9c6b6d/library/std/src/thread/mod.rs:541:30
[INFO] [stdout]   63:     0x55815bd111d2 - core::ops::function::FnOnce::call_once{{vtable.shim}}::hb491dc55513e9b7c
[INFO] [stdout]                                at /rustc/b642703cf9526da1e72c0b6755753b939a9c6b6d/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   64:     0x55815bf321ab - <alloc::boxed::Box<F,A> as core::ops::function::FnOnce<Args>>::call_once::h41b39260afcffdc9
[INFO] [stdout]                                at /rustc/b642703cf9526da1e72c0b6755753b939a9c6b6d/library/alloc/src/boxed.rs:2022:9
[INFO] [stdout]   65:     0x55815bf321ab - <alloc::boxed::Box<F,A> as core::ops::function::FnOnce<Args>>::call_once::h6694c8dc6dd010c4
[INFO] [stdout]                                at /rustc/b642703cf9526da1e72c0b6755753b939a9c6b6d/library/alloc/src/boxed.rs:2022:9
[INFO] [stdout]   66:     0x55815bf321ab - std::sys::pal::unix::thread::Thread::new::thread_start::hf16038e1c8e19c99
[INFO] [stdout]                                at /rustc/b642703cf9526da1e72c0b6755753b939a9c6b6d/library/std/src/sys/pal/unix/thread.rs:108:17
[INFO] [stdout]   67:     0x7f5a291c4ac3 - <unknown>
[INFO] [stdout]   68:     0x7f5a29255a04 - __clone
[INFO] [stdout]   69:                0x0 - <unknown>
[INFO] [stdout] 
[INFO] [stdout] ---- tests::layer_from_tar stdout ----
[INFO] [stdout] May 25 05:24:00.944 DEBG mounting FUSE file-system in namespace
[INFO] [stdout] thread 'tests::layer_from_tar' panicked at src/lib.rs:1178:18:
[INFO] [stdout] called `Result::unwrap()` on an `Err` value: ENOSYS: Function not implemented
[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/index.crates.io-6f17d22bba15001f/anyhow-1.0.82/src/backtrace.rs:27:14
[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/b642703cf9526da1e72c0b6755753b939a9c6b6d/library/core/src/result.rs:1964:27
[INFO] [stdout]    2: maelstrom_fuse::fuse_mount_namespace::{{closure}}::{{closure}}
[INFO] [stdout]              at /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/maelstrom-fuse-0.8.0/src/lib.rs:127:27
[INFO] [stdout]    3: <tokio::runtime::blocking::task::BlockingTask<T> as core::future::future::Future>::poll
[INFO] [stdout]              at /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/tokio-1.37.0/src/runtime/blocking/task.rs:42:21
[INFO] [stdout]    4: tokio::runtime::task::core::Core<T,S>::poll::{{closure}}
[INFO] [stdout]              at /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/tokio-1.37.0/src/runtime/task/core.rs:328:17
[INFO] [stdout]    5: tokio::loom::std::unsafe_cell::UnsafeCell<T>::with_mut
[INFO] [stdout]              at /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/tokio-1.37.0/src/loom/std/unsafe_cell.rs:16:9
[INFO] [stdout]    6: tokio::runtime::task::core::Core<T,S>::poll
[INFO] [stdout]              at /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/tokio-1.37.0/src/runtime/task/core.rs:317:13
[INFO] [stdout]    7: tokio::runtime::task::harness::poll_future::{{closure}}
[INFO] [stdout]              at /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/tokio-1.37.0/src/runtime/task/harness.rs:485:19
[INFO] [stdout]    8: <core::panic::unwind_safe::AssertUnwindSafe<F> as core::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]              at /rustc/b642703cf9526da1e72c0b6755753b939a9c6b6d/library/core/src/panic/unwind_safe.rs:272:9
[INFO] [stdout]    9: std::panicking::try::do_call
[INFO] [stdout]              at /rustc/b642703cf9526da1e72c0b6755753b939a9c6b6d/library/std/src/panicking.rs:559:40
[INFO] [stdout]   10: __rust_try
[INFO] [stdout]   11: std::panicking::try
[INFO] [stdout]              at /rustc/b642703cf9526da1e72c0b6755753b939a9c6b6d/library/std/src/panicking.rs:523:19
[INFO] [stdout]   12: std::panic::catch_unwind
[INFO] [stdout]              at /rustc/b642703cf9526da1e72c0b6755753b939a9c6b6d/library/std/src/panic.rs:149:14
[INFO] [stdout]   13: tokio::runtime::task::harness::poll_future
[INFO] [stdout]              at /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/tokio-1.37.0/src/runtime/task/harness.rs:473:18
[INFO] [stdout]   14: tokio::runtime::task::harness::Harness<T,S>::poll_inner
[INFO] [stdout]              at /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/tokio-1.37.0/src/runtime/task/harness.rs:208:27
[INFO] [stdout]   15: tokio::runtime::task::harness::Harness<T,S>::poll
[INFO] [stdout]              at /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/tokio-1.37.0/src/runtime/task/harness.rs:153:15
[INFO] [stdout]   16: tokio::runtime::task::raw::poll
[INFO] [stdout]              at /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/tokio-1.37.0/src/runtime/task/raw.rs:271:5
[INFO] [stdout]   17: tokio::runtime::task::raw::RawTask::poll
[INFO] [stdout]              at /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/tokio-1.37.0/src/runtime/task/raw.rs:201:18
[INFO] [stdout]   18: tokio::runtime::task::UnownedTask<S>::run
[INFO] [stdout]              at /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/tokio-1.37.0/src/runtime/task/mod.rs:464:9
[INFO] [stdout]   19: tokio::runtime::blocking::pool::Task::run
[INFO] [stdout]              at /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/tokio-1.37.0/src/runtime/blocking/pool.rs:159:9
[INFO] [stdout]   20: tokio::runtime::blocking::pool::Inner::run
[INFO] [stdout]              at /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/tokio-1.37.0/src/runtime/blocking/pool.rs:513:17
[INFO] [stdout]   21: tokio::runtime::blocking::pool::Spawner::spawn_thread::{{closure}}
[INFO] [stdout]              at /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/tokio-1.37.0/src/runtime/blocking/pool.rs:471:13
[INFO] [stdout]   22: std::sys_common::backtrace::__rust_begin_short_backtrace
[INFO] [stdout]              at /rustc/b642703cf9526da1e72c0b6755753b939a9c6b6d/library/std/src/sys_common/backtrace.rs:155:18
[INFO] [stdout]   23: std::thread::Builder::spawn_unchecked_::{{closure}}::{{closure}}
[INFO] [stdout]              at /rustc/b642703cf9526da1e72c0b6755753b939a9c6b6d/library/std/src/thread/mod.rs:542:17
[INFO] [stdout]   24: <core::panic::unwind_safe::AssertUnwindSafe<F> as core::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]              at /rustc/b642703cf9526da1e72c0b6755753b939a9c6b6d/library/core/src/panic/unwind_safe.rs:272:9
[INFO] [stdout]   25: std::panicking::try::do_call
[INFO] [stdout]              at /rustc/b642703cf9526da1e72c0b6755753b939a9c6b6d/library/std/src/panicking.rs:559:40
[INFO] [stdout]   26: __rust_try
[INFO] [stdout]   27: std::panicking::try
[INFO] [stdout]              at /rustc/b642703cf9526da1e72c0b6755753b939a9c6b6d/library/std/src/panicking.rs:523:19
[INFO] [stdout]   28: std::panic::catch_unwind
[INFO] [stdout]              at /rustc/b642703cf9526da1e72c0b6755753b939a9c6b6d/library/std/src/panic.rs:149:14
[INFO] [stdout]   29: std::thread::Builder::spawn_unchecked_::{{closure}}
[INFO] [stdout]              at /rustc/b642703cf9526da1e72c0b6755753b939a9c6b6d/library/std/src/thread/mod.rs:541:30
[INFO] [stdout]   30: core::ops::function::FnOnce::call_once{{vtable.shim}}
[INFO] [stdout]              at /rustc/b642703cf9526da1e72c0b6755753b939a9c6b6d/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   31: <alloc::boxed::Box<F,A> as core::ops::function::FnOnce<Args>>::call_once
[INFO] [stdout]              at /rustc/b642703cf9526da1e72c0b6755753b939a9c6b6d/library/alloc/src/boxed.rs:2022:9
[INFO] [stdout]   32: <alloc::boxed::Box<F,A> as core::ops::function::FnOnce<Args>>::call_once
[INFO] [stdout]              at /rustc/b642703cf9526da1e72c0b6755753b939a9c6b6d/library/alloc/src/boxed.rs:2022:9
[INFO] [stdout]   33: std::sys::pal::unix::thread::Thread::new::thread_start
[INFO] [stdout]              at /rustc/b642703cf9526da1e72c0b6755753b939a9c6b6d/library/std/src/sys/pal/unix/thread.rs:108:17
[INFO] [stdout]   34: <unknown>
[INFO] [stdout]   35: __clone
[INFO] [stdout] stack backtrace:
[INFO] [stdout]    0:     0x55815bf2a915 - std::backtrace_rs::backtrace::libunwind::trace::he49dc9a9e3164223
[INFO] [stdout]                                at /rustc/b642703cf9526da1e72c0b6755753b939a9c6b6d/library/std/src/../../backtrace/src/backtrace/libunwind.rs:105:5
[INFO] [stdout]    1:     0x55815bf2a915 - std::backtrace_rs::backtrace::trace_unsynchronized::h3a3e77c68030aa6b
[INFO] [stdout]                                at /rustc/b642703cf9526da1e72c0b6755753b939a9c6b6d/library/std/src/../../backtrace/src/backtrace/mod.rs:66:5
[INFO] [stdout]    2:     0x55815bf2a915 - std::sys_common::backtrace::_print_fmt::h9479ad2f99afd5d4
[INFO] [stdout]                                at /rustc/b642703cf9526da1e72c0b6755753b939a9c6b6d/library/std/src/sys_common/backtrace.rs:68:5
[INFO] [stdout]    3:     0x55815bf2a915 - <std::sys_common::backtrace::_print::DisplayBacktrace as core::fmt::Display>::fmt::hfb01aa1fa3fb1821
[INFO] [stdout]                                at /rustc/b642703cf9526da1e72c0b6755753b939a9c6b6d/library/std/src/sys_common/backtrace.rs:44:22
[INFO] [stdout]    4:     0x55815bf53beb - core::fmt::rt::Argument::fmt::h125e56152abbc1c3
[INFO] [stdout]                                at /rustc/b642703cf9526da1e72c0b6755753b939a9c6b6d/library/core/src/fmt/rt.rs:165:63
[INFO] [stdout]    5:     0x55815bf53beb - core::fmt::write::hb0ab4ff05ccfe741
[INFO] [stdout]                                at /rustc/b642703cf9526da1e72c0b6755753b939a9c6b6d/library/core/src/fmt/mod.rs:1169:21
[INFO] [stdout]    6:     0x55815bf27bcf - std::io::Write::write_fmt::hea6336dbf2fa00b8
[INFO] [stdout]                                at /rustc/b642703cf9526da1e72c0b6755753b939a9c6b6d/library/std/src/io/mod.rs:1835:15
[INFO] [stdout]    7:     0x55815bf2a6ee - std::sys_common::backtrace::_print::h79ca548f3a2adf4b
[INFO] [stdout]                                at /rustc/b642703cf9526da1e72c0b6755753b939a9c6b6d/library/std/src/sys_common/backtrace.rs:47:5
[INFO] [stdout]    8:     0x55815bf2a6ee - std::sys_common::backtrace::print::h9aebf997b2fea2d3
[INFO] [stdout]                                at /rustc/b642703cf9526da1e72c0b6755753b939a9c6b6d/library/std/src/sys_common/backtrace.rs:34:9
[INFO] [stdout]    9:     0x55815bf2c059 - std::panicking::default_hook::{{closure}}::h68a0954af2694526
[INFO] [stdout]   10:     0x55815bf2bdac - std::panicking::default_hook::h5be50cc6849ffb00
[INFO] [stdout]                                at /rustc/b642703cf9526da1e72c0b6755753b939a9c6b6d/library/std/src/panicking.rs:295:9
[INFO] [stdout]   11:     0x55815bd3fd4f - <alloc::boxed::Box<F,A> as core::ops::function::Fn<Args>>::call::hd874405dcbd1d3ed
[INFO] [stdout]                                at /rustc/b642703cf9526da1e72c0b6755753b939a9c6b6d/library/alloc/src/boxed.rs:2036:9
[INFO] [stdout]   12:     0x55815bd3fd4f - test::test_main::{{closure}}::h4f26a9df34a84b94
[INFO] [stdout]                                at /rustc/b642703cf9526da1e72c0b6755753b939a9c6b6d/library/test/src/lib.rs:137:21
[INFO] [stdout]   13:     0x55815bf2c65b - <alloc::boxed::Box<F,A> as core::ops::function::Fn<Args>>::call::h00e96d9c62aa9a12
[INFO] [stdout]                                at /rustc/b642703cf9526da1e72c0b6755753b939a9c6b6d/library/alloc/src/boxed.rs:2036:9
[INFO] [stdout]   14:     0x55815bf2c65b - std::panicking::rust_panic_with_hook::h3c0df6036729334c
[INFO] [stdout]                                at /rustc/b642703cf9526da1e72c0b6755753b939a9c6b6d/library/std/src/panicking.rs:799:13
[INFO] [stdout]   15:     0x55815bf2c3d4 - std::panicking::begin_panic_handler::{{closure}}::ha3a21e93c4cfd807
[INFO] [stdout]                                at /rustc/b642703cf9526da1e72c0b6755753b939a9c6b6d/library/std/src/panicking.rs:664:13
[INFO] [stdout]   16:     0x55815bf2add9 - std::sys_common::backtrace::__rust_end_short_backtrace::h19508a8f8ae71dc9
[INFO] [stdout]                                at /rustc/b642703cf9526da1e72c0b6755753b939a9c6b6d/library/std/src/sys_common/backtrace.rs:171:18
[INFO] [stdout]   17:     0x55815bf2c107 - rust_begin_unwind
[INFO] [stdout]                                at /rustc/b642703cf9526da1e72c0b6755753b939a9c6b6d/library/std/src/panicking.rs:652:5
[INFO] [stdout]   18:     0x55815ba9b2b3 - core::panicking::panic_fmt::h2ba8af99174d83ea
[INFO] [stdout]                                at /rustc/b642703cf9526da1e72c0b6755753b939a9c6b6d/library/core/src/panicking.rs:72:14
[INFO] [stdout]   19:     0x55815ba9b806 - core::result::unwrap_failed::h52f3bbb78b59f71d
[INFO] [stdout]                                at /rustc/b642703cf9526da1e72c0b6755753b939a9c6b6d/library/core/src/result.rs:1654:5
[INFO] [stdout]   20:     0x55815bca635a - core::result::Result<T,E>::unwrap::h12d33d75ca13dd03
[INFO] [stdout]                                at /rustc/b642703cf9526da1e72c0b6755753b939a9c6b6d/library/core/src/result.rs:1077:23
[INFO] [stdout]   21:     0x55815bca635a - maelstrom_layer_fs::tests::Fixture::mount::{{closure}}::h76f7f34a1afa1da4
[INFO] [stdout]                                at /opt/rustwide/workdir/src/lib.rs:1175:13
[INFO] [stdout]   22:     0x55815bca767a - maelstrom_layer_fs::tests::layer_from_tar_or_manifest::{{closure}}::h4190d33894f13f2d
[INFO] [stdout]                                at /opt/rustwide/workdir/src/lib.rs:1428:48
[INFO] [stdout]   23:     0x55815bcb84f4 - maelstrom_layer_fs::tests::layer_from_tar::{{closure}}::h45f8ec55c55626b5
[INFO] [stdout]                                at /opt/rustwide/workdir/src/lib.rs:1459:10
[INFO] [stdout]   24:     0x55815bc89d52 - <core::pin::Pin<P> as core::future::future::Future>::poll::h6a85ffe21b2c4c95
[INFO] [stdout]                                at /rustc/b642703cf9526da1e72c0b6755753b939a9c6b6d/library/core/src/future/future.rs:123:9
[INFO] [stdout]   25:     0x55815bc89ccd - <core::pin::Pin<P> as core::future::future::Future>::poll::h3a17e493fe70644b
[INFO] [stdout]                                at /rustc/b642703cf9526da1e72c0b6755753b939a9c6b6d/library/core/src/future/future.rs:123:9
[INFO] [stdout]   26:     0x55815bc70c2f - tokio::runtime::scheduler::current_thread::CoreGuard::block_on::{{closure}}::{{closure}}::{{closure}}::hbcae7a313f3c6152
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/tokio-1.37.0/src/runtime/scheduler/current_thread/mod.rs:659:57
[INFO] [stdout]   27:     0x55815bc70b65 - tokio::runtime::coop::with_budget::h5ac2764e228d0de6
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/tokio-1.37.0/src/runtime/coop.rs:107:5
[INFO] [stdout]   28:     0x55815bc70b65 - tokio::runtime::coop::budget::hc658c8e4cb0a0c8d
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/tokio-1.37.0/src/runtime/coop.rs:73:5
[INFO] [stdout]   29:     0x55815bc70b65 - tokio::runtime::scheduler::current_thread::CoreGuard::block_on::{{closure}}::{{closure}}::h12e10693abf9f854
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/tokio-1.37.0/src/runtime/scheduler/current_thread/mod.rs:659:25
[INFO] [stdout]   30:     0x55815bc6f650 - tokio::runtime::scheduler::current_thread::Context::enter::h1a25ea7e5529a0a0
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/tokio-1.37.0/src/runtime/scheduler/current_thread/mod.rs:404:19
[INFO] [stdout]   31:     0x55815bc703eb - tokio::runtime::scheduler::current_thread::CoreGuard::block_on::{{closure}}::h938371df17317d12
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/tokio-1.37.0/src/runtime/scheduler/current_thread/mod.rs:658:36
[INFO] [stdout]   32:     0x55815bc70164 - tokio::runtime::scheduler::current_thread::CoreGuard::enter::{{closure}}::h23361fef9920aca5
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/tokio-1.37.0/src/runtime/scheduler/current_thread/mod.rs:737:68
[INFO] [stdout]   33:     0x55815bc351fb - tokio::runtime::context::scoped::Scoped<T>::set::hfcf659facfad285b
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/tokio-1.37.0/src/runtime/context/scoped.rs:40:9
[INFO] [stdout]   34:     0x55815bb3e999 - tokio::runtime::context::set_scheduler::{{closure}}::h2fae601fb4a4e825
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/tokio-1.37.0/src/runtime/context.rs:176:26
[INFO] [stdout]   35:     0x55815bc945a0 - std::thread::local::LocalKey<T>::try_with::hfb57897efafa1ada
[INFO] [stdout]                                at /rustc/b642703cf9526da1e72c0b6755753b939a9c6b6d/library/std/src/thread/local.rs:286:12
[INFO] [stdout]   36:     0x55815bc92c5a - std::thread::local::LocalKey<T>::with::h943317245f47db8c
[INFO] [stdout]                                at /rustc/b642703cf9526da1e72c0b6755753b939a9c6b6d/library/std/src/thread/local.rs:262:9
[INFO] [stdout]   37:     0x55815bb3e94d - tokio::runtime::context::set_scheduler::hf044fc79721ae8bb
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/tokio-1.37.0/src/runtime/context.rs:176:9
[INFO] [stdout]   38:     0x55815bc6ff10 - tokio::runtime::scheduler::current_thread::CoreGuard::enter::h4f1e663cea134727
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/tokio-1.37.0/src/runtime/scheduler/current_thread/mod.rs:737:27
[INFO] [stdout]   39:     0x55815bc70183 - tokio::runtime::scheduler::current_thread::CoreGuard::block_on::h1765e4a6caf65d57
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/tokio-1.37.0/src/runtime/scheduler/current_thread/mod.rs:646:19
[INFO] [stdout]   40:     0x55815bc6cf33 - tokio::runtime::scheduler::current_thread::CurrentThread::block_on::{{closure}}::h80daa66651dbb412
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/tokio-1.37.0/src/runtime/scheduler/current_thread/mod.rs:175:28
[INFO] [stdout]   41:     0x55815bc370d6 - tokio::runtime::context::runtime::enter_runtime::hcd80078119a75897
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/tokio-1.37.0/src/runtime/context/runtime.rs:65:16
[INFO] [stdout]   42:     0x55815bc6ce91 - tokio::runtime::scheduler::current_thread::CurrentThread::block_on::h0f169576765c3721
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/tokio-1.37.0/src/runtime/scheduler/current_thread/mod.rs:167:9
[INFO] [stdout]   43:     0x55815bc8865d - tokio::runtime::runtime::Runtime::block_on::hfd88ea622e450ffa
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/tokio-1.37.0/src/runtime/runtime.rs:349:47
[INFO] [stdout]   44:     0x55815bcb8331 - maelstrom_layer_fs::tests::layer_from_tar::hb4505f4d1e698978
[INFO] [stdout]                                at /opt/rustwide/workdir/src/lib.rs:1456:9
[INFO] [stdout]   45:     0x55815bcb81d7 - maelstrom_layer_fs::tests::layer_from_tar::{{closure}}::h37c0f957e4ae501c
[INFO] [stdout]                                at /opt/rustwide/workdir/src/lib.rs:1455:30
[INFO] [stdout]   46:     0x55815ba9e056 - core::ops::function::FnOnce::call_once::h60021cca69a17a26
[INFO] [stdout]                                at /rustc/b642703cf9526da1e72c0b6755753b939a9c6b6d/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   47:     0x55815bd4466b - core::ops::function::FnOnce::call_once::h18c6bf92212b87a4
[INFO] [stdout]                                at /rustc/b642703cf9526da1e72c0b6755753b939a9c6b6d/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   48:     0x55815bd4466b - test::__rust_begin_short_backtrace::hdcf0edcfa9080086
[INFO] [stdout]                                at /rustc/b642703cf9526da1e72c0b6755753b939a9c6b6d/library/test/src/lib.rs:625:18
[INFO] [stdout]   49:     0x55815bd43d31 - test::run_test_in_process::{{closure}}::heac2c4eb375d2d10
[INFO] [stdout]                                at /rustc/b642703cf9526da1e72c0b6755753b939a9c6b6d/library/test/src/lib.rs:648:60
[INFO] [stdout]   50:     0x55815bd43d31 - <core::panic::unwind_safe::AssertUnwindSafe<F> as core::ops::function::FnOnce<()>>::call_once::h0289bafc8a1cc004
[INFO] [stdout]                                at /rustc/b642703cf9526da1e72c0b6755753b939a9c6b6d/library/core/src/panic/unwind_safe.rs:272:9
[INFO] [stdout]   51:     0x55815bd43d31 - std::panicking::try::do_call::h5e158f1ad8a5f983
[INFO] [stdout]                                at /rustc/b642703cf9526da1e72c0b6755753b939a9c6b6d/library/std/src/panicking.rs:559:40
[INFO] [stdout]   52:     0x55815bd43d31 - std::panicking::try::hea3411d60321c4de
[INFO] [stdout]                                at /rustc/b642703cf9526da1e72c0b6755753b939a9c6b6d/library/std/src/panicking.rs:523:19
[INFO] [stdout]   53:     0x55815bd43d31 - std::panic::catch_unwind::hafb7bb18bc47bbc7
[INFO] [stdout]                                at /rustc/b642703cf9526da1e72c0b6755753b939a9c6b6d/library/std/src/panic.rs:149:14
[INFO] [stdout]   54:     0x55815bd43d31 - test::run_test_in_process::h74dd138dc7762d99
[INFO] [stdout]                                at /rustc/b642703cf9526da1e72c0b6755753b939a9c6b6d/library/test/src/lib.rs:648:27
[INFO] [stdout]   55:     0x55815bd43d31 - test::run_test::{{closure}}::h6b390822e63606cf
[INFO] [stdout]                                at /rustc/b642703cf9526da1e72c0b6755753b939a9c6b6d/library/test/src/lib.rs:569:43
[INFO] [stdout]   56:     0x55815bd0c704 - test::run_test::{{closure}}::h6e11dba8131d354b
[INFO] [stdout]                                at /rustc/b642703cf9526da1e72c0b6755753b939a9c6b6d/library/test/src/lib.rs:599:41
[INFO] [stdout]   57:     0x55815bd0c704 - std::sys_common::backtrace::__rust_begin_short_backtrace::ha71b3541b59bdbbb
[INFO] [stdout]                                at /rustc/b642703cf9526da1e72c0b6755753b939a9c6b6d/library/std/src/sys_common/backtrace.rs:155:18
[INFO] [stdout]   58:     0x55815bd111d2 - std::thread::Builder::spawn_unchecked_::{{closure}}::{{closure}}::hef92127c5ef9e53c
[INFO] [stdout]                                at /rustc/b642703cf9526da1e72c0b6755753b939a9c6b6d/library/std/src/thread/mod.rs:542:17
[INFO] [stdout]   59:     0x55815bd111d2 - <core::panic::unwind_safe::AssertUnwindSafe<F> as core::ops::function::FnOnce<()>>::call_once::h859c109f9d11c92b
[INFO] [stdout]                                at /rustc/b642703cf9526da1e72c0b6755753b939a9c6b6d/library/core/src/panic/unwind_safe.rs:272:9
[INFO] [stdout]   60:     0x55815bd111d2 - std::panicking::try::do_call::hbf534c458cd858f0
[INFO] [stdout]                                at /rustc/b642703cf9526da1e72c0b6755753b939a9c6b6d/library/std/src/panicking.rs:559:40
[INFO] [stdout]   61:     0x55815bd111d2 - std::panicking::try::h65c18365a7b9ad90
[INFO] [stdout]                                at /rustc/b642703cf9526da1e72c0b6755753b939a9c6b6d/library/std/src/panicking.rs:523:19
[INFO] [stdout]   62:     0x55815bd111d2 - std::panic::catch_unwind::h21b25d4c69478c39
[INFO] [stdout]                                at /rustc/b642703cf9526da1e72c0b6755753b939a9c6b6d/library/std/src/panic.rs:149:14
[INFO] [stdout]   63:     0x55815bd111d2 - std::thread::Builder::spawn_unchecked_::{{closure}}::h23335f620275a9bf
[INFO] [stdout]                                at /rustc/b642703cf9526da1e72c0b6755753b939a9c6b6d/library/std/src/thread/mod.rs:541:30
[INFO] [stdout]   64:     0x55815bd111d2 - core::ops::function::FnOnce::call_once{{vtable.shim}}::hb491dc55513e9b7c
[INFO] [stdout]                                at /rustc/b642703cf9526da1e72c0b6755753b939a9c6b6d/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   65:     0x55815bf321ab - <alloc::boxed::Box<F,A> as core::ops::function::FnOnce<Args>>::call_once::h41b39260afcffdc9
[INFO] [stdout]                                at /rustc/b642703cf9526da1e72c0b6755753b939a9c6b6d/library/alloc/src/boxed.rs:2022:9
[INFO] [stdout]   66:     0x55815bf321ab - <alloc::boxed::Box<F,A> as core::ops::function::FnOnce<Args>>::call_once::h6694c8dc6dd010c4
[INFO] [stdout]                                at /rustc/b642703cf9526da1e72c0b6755753b939a9c6b6d/library/alloc/src/boxed.rs:2022:9
[INFO] [stdout]   67:     0x55815bf321ab - std::sys::pal::unix::thread::Thread::new::thread_start::hf16038e1c8e19c99
[INFO] [stdout]                                at /rustc/b642703cf9526da1e72c0b6755753b939a9c6b6d/library/std/src/sys/pal/unix/thread.rs:108:17
[INFO] [stdout]   68:     0x7f5a291c4ac3 - <unknown>
[INFO] [stdout]   69:     0x7f5a29255a04 - __clone
[INFO] [stdout]   70:                0x0 - <unknown>
[INFO] [stdout] 
[INFO] [stdout] ---- tests::layer_from_manifest stdout ----
[INFO] [stdout] May 25 05:24:00.945 DEBG mounting FUSE file-system in namespace
[INFO] [stdout] thread 'tests::layer_from_manifest' panicked at src/lib.rs:1178:18:
[INFO] [stdout] called `Result::unwrap()` on an `Err` value: ENOSYS: Function not implemented
[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/index.crates.io-6f17d22bba15001f/anyhow-1.0.82/src/backtrace.rs:27:14
[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/b642703cf9526da1e72c0b6755753b939a9c6b6d/library/core/src/result.rs:1964:27
[INFO] [stdout]    2: maelstrom_fuse::fuse_mount_namespace::{{closure}}::{{closure}}
[INFO] [stdout]              at /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/maelstrom-fuse-0.8.0/src/lib.rs:127:27
[INFO] [stdout]    3: <tokio::runtime::blocking::task::BlockingTask<T> as core::future::future::Future>::poll
[INFO] [stdout]              at /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/tokio-1.37.0/src/runtime/blocking/task.rs:42:21
[INFO] [stdout]    4: tokio::runtime::task::core::Core<T,S>::poll::{{closure}}
[INFO] [stdout]              at /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/tokio-1.37.0/src/runtime/task/core.rs:328:17
[INFO] [stdout]    5: tokio::loom::std::unsafe_cell::UnsafeCell<T>::with_mut
[INFO] [stdout]              at /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/tokio-1.37.0/src/loom/std/unsafe_cell.rs:16:9
[INFO] [stdout]    6: tokio::runtime::task::core::Core<T,S>::poll
[INFO] [stdout]              at /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/tokio-1.37.0/src/runtime/task/core.rs:317:13
[INFO] [stdout]    7: tokio::runtime::task::harness::poll_future::{{closure}}
[INFO] [stdout]              at /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/tokio-1.37.0/src/runtime/task/harness.rs:485:19
[INFO] [stdout]    8: <core::panic::unwind_safe::AssertUnwindSafe<F> as core::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]              at /rustc/b642703cf9526da1e72c0b6755753b939a9c6b6d/library/core/src/panic/unwind_safe.rs:272:9
[INFO] [stdout]    9: std::panicking::try::do_call
[INFO] [stdout]              at /rustc/b642703cf9526da1e72c0b6755753b939a9c6b6d/library/std/src/panicking.rs:559:40
[INFO] [stdout]   10: __rust_try
[INFO] [stdout]   11: std::panicking::try
[INFO] [stdout]              at /rustc/b642703cf9526da1e72c0b6755753b939a9c6b6d/library/std/src/panicking.rs:523:19
[INFO] [stdout]   12: std::panic::catch_unwind
[INFO] [stdout]              at /rustc/b642703cf9526da1e72c0b6755753b939a9c6b6d/library/std/src/panic.rs:149:14
[INFO] [stdout]   13: tokio::runtime::task::harness::poll_future
[INFO] [stdout]              at /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/tokio-1.37.0/src/runtime/task/harness.rs:473:18
[INFO] [stdout]   14: tokio::runtime::task::harness::Harness<T,S>::poll_inner
[INFO] [stdout]              at /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/tokio-1.37.0/src/runtime/task/harness.rs:208:27
[INFO] [stdout]   15: tokio::runtime::task::harness::Harness<T,S>::poll
[INFO] [stdout]              at /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/tokio-1.37.0/src/runtime/task/harness.rs:153:15
[INFO] [stdout]   16: tokio::runtime::task::raw::poll
[INFO] [stdout]              at /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/tokio-1.37.0/src/runtime/task/raw.rs:271:5
[INFO] [stdout]   17: tokio::runtime::task::raw::RawTask::poll
[INFO] [stdout]              at /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/tokio-1.37.0/src/runtime/task/raw.rs:201:18
[INFO] [stdout]   18: tokio::runtime::task::UnownedTask<S>::run
[INFO] [stdout]              at /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/tokio-1.37.0/src/runtime/task/mod.rs:464:9
[INFO] [stdout]   19: tokio::runtime::blocking::pool::Task::run
[INFO] [stdout]              at /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/tokio-1.37.0/src/runtime/blocking/pool.rs:159:9
[INFO] [stdout]   20: tokio::runtime::blocking::pool::Inner::run
[INFO] [stdout]              at /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/tokio-1.37.0/src/runtime/blocking/pool.rs:513:17
[INFO] [stdout]   21: tokio::runtime::blocking::pool::Spawner::spawn_thread::{{closure}}
[INFO] [stdout]              at /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/tokio-1.37.0/src/runtime/blocking/pool.rs:471:13
[INFO] [stdout]   22: std::sys_common::backtrace::__rust_begin_short_backtrace
[INFO] [stdout]              at /rustc/b642703cf9526da1e72c0b6755753b939a9c6b6d/library/std/src/sys_common/backtrace.rs:155:18
[INFO] [stdout]   23: std::thread::Builder::spawn_unchecked_::{{closure}}::{{closure}}
[INFO] [stdout]              at /rustc/b642703cf9526da1e72c0b6755753b939a9c6b6d/library/std/src/thread/mod.rs:542:17
[INFO] [stdout]   24: <core::panic::unwind_safe::AssertUnwindSafe<F> as core::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]              at /rustc/b642703cf9526da1e72c0b6755753b939a9c6b6d/library/core/src/panic/unwind_safe.rs:272:9
[INFO] [stdout]   25: std::panicking::try::do_call
[INFO] [stdout]              at /rustc/b642703cf9526da1e72c0b6755753b939a9c6b6d/library/std/src/panicking.rs:559:40
[INFO] [stdout]   26: __rust_try
[INFO] [stdout]   27: std::panicking::try
[INFO] [stdout]              at /rustc/b642703cf9526da1e72c0b6755753b939a9c6b6d/library/std/src/panicking.rs:523:19
[INFO] [stdout]   28: std::panic::catch_unwind
[INFO] [stdout]              at /rustc/b642703cf9526da1e72c0b6755753b939a9c6b6d/library/std/src/panic.rs:149:14
[INFO] [stdout]   29: std::thread::Builder::spawn_unchecked_::{{closure}}
[INFO] [stdout]              at /rustc/b642703cf9526da1e72c0b6755753b939a9c6b6d/library/std/src/thread/mod.rs:541:30
[INFO] [stdout]   30: core::ops::function::FnOnce::call_once{{vtable.shim}}
[INFO] [stdout]              at /rustc/b642703cf9526da1e72c0b6755753b939a9c6b6d/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   31: <alloc::boxed::Box<F,A> as core::ops::function::FnOnce<Args>>::call_once
[INFO] [stdout]              at /rustc/b642703cf9526da1e72c0b6755753b939a9c6b6d/library/alloc/src/boxed.rs:2022:9
[INFO] [stdout]   32: <alloc::boxed::Box<F,A> as core::ops::function::FnOnce<Args>>::call_once
[INFO] [stdout]              at /rustc/b642703cf9526da1e72c0b6755753b939a9c6b6d/library/alloc/src/boxed.rs:2022:9
[INFO] [stdout]   33: std::sys::pal::unix::thread::Thread::new::thread_start
[INFO] [stdout]              at /rustc/b642703cf9526da1e72c0b6755753b939a9c6b6d/library/std/src/sys/pal/unix/thread.rs:108:17
[INFO] [stdout]   34: <unknown>
[INFO] [stdout]   35: __clone
[INFO] [stdout] stack backtrace:
[INFO] [stdout]    0:     0x55815bf2a915 - std::backtrace_rs::backtrace::libunwind::trace::he49dc9a9e3164223
[INFO] [stdout]                                at /rustc/b642703cf9526da1e72c0b6755753b939a9c6b6d/library/std/src/../../backtrace/src/backtrace/libunwind.rs:105:5
[INFO] [stdout]    1:     0x55815bf2a915 - std::backtrace_rs::backtrace::trace_unsynchronized::h3a3e77c68030aa6b
[INFO] [stdout]                                at /rustc/b642703cf9526da1e72c0b6755753b939a9c6b6d/library/std/src/../../backtrace/src/backtrace/mod.rs:66:5
[INFO] [stdout]    2:     0x55815bf2a915 - std::sys_common::backtrace::_print_fmt::h9479ad2f99afd5d4
[INFO] [stdout]                                at /rustc/b642703cf9526da1e72c0b6755753b939a9c6b6d/library/std/src/sys_common/backtrace.rs:68:5
[INFO] [stdout]    3:     0x55815bf2a915 - <std::sys_common::backtrace::_print::DisplayBacktrace as core::fmt::Display>::fmt::hfb01aa1fa3fb1821
[INFO] [stdout]                                at /rustc/b642703cf9526da1e72c0b6755753b939a9c6b6d/library/std/src/sys_common/backtrace.rs:44:22
[INFO] [stdout]    4:     0x55815bf53beb - core::fmt::rt::Argument::fmt::h125e56152abbc1c3
[INFO] [stdout]                                at /rustc/b642703cf9526da1e72c0b6755753b939a9c6b6d/library/core/src/fmt/rt.rs:165:63
[INFO] [stdout]    5:     0x55815bf53beb - core::fmt::write::hb0ab4ff05ccfe741
[INFO] [stdout]                                at /rustc/b642703cf9526da1e72c0b6755753b939a9c6b6d/library/core/src/fmt/mod.rs:1169:21
[INFO] [stdout]    6:     0x55815bf27bcf - std::io::Write::write_fmt::hea6336dbf2fa00b8
[INFO] [stdout]                                at /rustc/b642703cf9526da1e72c0b6755753b939a9c6b6d/library/std/src/io/mod.rs:1835:15
[INFO] [stdout]    7:     0x55815bf2a6ee - std::sys_common::backtrace::_print::h79ca548f3a2adf4b
[INFO] [stdout]                                at /rustc/b642703cf9526da1e72c0b6755753b939a9c6b6d/library/std/src/sys_common/backtrace.rs:47:5
[INFO] [stdout]    8:     0x55815bf2a6ee - std::sys_common::backtrace::print::h9aebf997b2fea2d3
[INFO] [stdout]                                at /rustc/b642703cf9526da1e72c0b6755753b939a9c6b6d/library/std/src/sys_common/backtrace.rs:34:9
[INFO] [stdout]    9:     0x55815bf2c059 - std::panicking::default_hook::{{closure}}::h68a0954af2694526
[INFO] [stdout]   10:     0x55815bf2bdac - std::panicking::default_hook::h5be50cc6849ffb00
[INFO] [stdout]                                at /rustc/b642703cf9526da1e72c0b6755753b939a9c6b6d/library/std/src/panicking.rs:295:9
[INFO] [stdout]   11:     0x55815bd3fd4f - <alloc::boxed::Box<F,A> as core::ops::function::Fn<Args>>::call::hd874405dcbd1d3ed
[INFO] [stdout]                                at /rustc/b642703cf9526da1e72c0b6755753b939a9c6b6d/library/alloc/src/boxed.rs:2036:9
[INFO] [stdout]   12:     0x55815bd3fd4f - test::test_main::{{closure}}::h4f26a9df34a84b94
[INFO] [stdout]                                at /rustc/b642703cf9526da1e72c0b6755753b939a9c6b6d/library/test/src/lib.rs:137:21
[INFO] [stdout]   13:     0x55815bf2c65b - <alloc::boxed::Box<F,A> as core::ops::function::Fn<Args>>::call::h00e96d9c62aa9a12
[INFO] [stdout]                                at /rustc/b642703cf9526da1e72c0b6755753b939a9c6b6d/library/alloc/src/boxed.rs:2036:9
[INFO] [stdout]   14:     0x55815bf2c65b - std::panicking::rust_panic_with_hook::h3c0df6036729334c
[INFO] [stdout]                                at /rustc/b642703cf9526da1e72c0b6755753b939a9c6b6d/library/std/src/panicking.rs:799:13
[INFO] [stdout]   15:     0x55815bf2c3d4 - std::panicking::begin_panic_handler::{{closure}}::ha3a21e93c4cfd807
[INFO] [stdout]                                at /rustc/b642703cf9526da1e72c0b6755753b939a9c6b6d/library/std/src/panicking.rs:664:13
[INFO] [stdout]   16:     0x55815bf2add9 - std::sys_common::backtrace::__rust_end_short_backtrace::h19508a8f8ae71dc9
[INFO] [stdout]                                at /rustc/b642703cf9526da1e72c0b6755753b939a9c6b6d/library/std/src/sys_common/backtrace.rs:171:18
[INFO] [stdout]   17:     0x55815bf2c107 - rust_begin_unwind
[INFO] [stdout]                                at /rustc/b642703cf9526da1e72c0b6755753b939a9c6b6d/library/std/src/panicking.rs:652:5
[INFO] [stdout]   18:     0x55815ba9b2b3 - core::panicking::panic_fmt::h2ba8af99174d83ea
[INFO] [stdout]                                at /rustc/b642703cf9526da1e72c0b6755753b939a9c6b6d/library/core/src/panicking.rs:72:14
[INFO] [stdout]   19:     0x55815ba9b806 - core::result::unwrap_failed::h52f3bbb78b59f71d
[INFO] [stdout]                                at /rustc/b642703cf9526da1e72c0b6755753b939a9c6b6d/library/core/src/result.rs:1654:5
[INFO] [stdout]   20:     0x55815bca635a - core::result::Result<T,E>::unwrap::h12d33d75ca13dd03
[INFO] [stdout]                                at /rustc/b642703cf9526da1e72c0b6755753b939a9c6b6d/library/core/src/result.rs:1077:23
[INFO] [stdout]   21:     0x55815bca635a - maelstrom_layer_fs::tests::Fixture::mount::{{closure}}::h76f7f34a1afa1da4
[INFO] [stdout]                                at /opt/rustwide/workdir/src/lib.rs:1175:13
[INFO] [stdout]   22:     0x55815bca93fa - maelstrom_layer_fs::tests::layer_from_tar_or_manifest::{{closure}}::ha90410be9f0f5c9d
[INFO] [stdout]                                at /opt/rustwide/workdir/src/lib.rs:1428:48
[INFO] [stdout]   23:     0x55815bcb8bd4 - maelstrom_layer_fs::tests::layer_from_manifest::{{closure}}::h7395cf74719c522d
[INFO] [stdout]                                at /opt/rustwide/workdir/src/lib.rs:1467:10
[INFO] [stdout]   24:     0x55815bc89d52 - <core::pin::Pin<P> as core::future::future::Future>::poll::h6a85ffe21b2c4c95
[INFO] [stdout]                                at /rustc/b642703cf9526da1e72c0b6755753b939a9c6b6d/library/core/src/future/future.rs:123:9
[INFO] [stdout]   25:     0x55815bc89ccd - <core::pin::Pin<P> as core::future::future::Future>::poll::h3a17e493fe70644b
[INFO] [stdout]                                at /rustc/b642703cf9526da1e72c0b6755753b939a9c6b6d/library/core/src/future/future.rs:123:9
[INFO] [stdout]   26:     0x55815bc70c2f - tokio::runtime::scheduler::current_thread::CoreGuard::block_on::{{closure}}::{{closure}}::{{closure}}::hbcae7a313f3c6152
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/tokio-1.37.0/src/runtime/scheduler/current_thread/mod.rs:659:57
[INFO] [stdout]   27:     0x55815bc70b65 - tokio::runtime::coop::with_budget::h5ac2764e228d0de6
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/tokio-1.37.0/src/runtime/coop.rs:107:5
[INFO] [stdout]   28:     0x55815bc70b65 - tokio::runtime::coop::budget::hc658c8e4cb0a0c8d
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/tokio-1.37.0/src/runtime/coop.rs:73:5
[INFO] [stdout]   29:     0x55815bc70b65 - tokio::runtime::scheduler::current_thread::CoreGuard::block_on::{{closure}}::{{closure}}::h12e10693abf9f854
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/tokio-1.37.0/src/runtime/scheduler/current_thread/mod.rs:659:25
[INFO] [stdout]   30:     0x55815bc6f650 - tokio::runtime::scheduler::current_thread::Context::enter::h1a25ea7e5529a0a0
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/tokio-1.37.0/src/runtime/scheduler/current_thread/mod.rs:404:19
[INFO] [stdout]   31:     0x55815bc703eb - tokio::runtime::scheduler::current_thread::CoreGuard::block_on::{{closure}}::h938371df17317d12
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/tokio-1.37.0/src/runtime/scheduler/current_thread/mod.rs:658:36
[INFO] [stdout]   32:     0x55815bc70164 - tokio::runtime::scheduler::current_thread::CoreGuard::enter::{{closure}}::h23361fef9920aca5
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/tokio-1.37.0/src/runtime/scheduler/current_thread/mod.rs:737:68
[INFO] [stdout]   33:     0x55815bc351fb - tokio::runtime::context::scoped::Scoped<T>::set::hfcf659facfad285b
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/tokio-1.37.0/src/runtime/context/scoped.rs:40:9
[INFO] [stdout]   34:     0x55815bb3e999 - tokio::runtime::context::set_scheduler::{{closure}}::h2fae601fb4a4e825
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/tokio-1.37.0/src/runtime/context.rs:176:26
[INFO] [stdout]   35:     0x55815bc945a0 - std::thread::local::LocalKey<T>::try_with::hfb57897efafa1ada
[INFO] [stdout]                                at /rustc/b642703cf9526da1e72c0b6755753b939a9c6b6d/library/std/src/thread/local.rs:286:12
[INFO] [stdout]   36:     0x55815bc92c5a - std::thread::local::LocalKey<T>::with::h943317245f47db8c
[INFO] [stdout]                                at /rustc/b642703cf9526da1e72c0b6755753b939a9c6b6d/library/std/src/thread/local.rs:262:9
[INFO] [stdout]   37:     0x55815bb3e94d - tokio::runtime::context::set_scheduler::hf044fc79721ae8bb
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/tokio-1.37.0/src/runtime/context.rs:176:9
[INFO] [stdout]   38:     0x55815bc6ff10 - tokio::runtime::scheduler::current_thread::CoreGuard::enter::h4f1e663cea134727
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/tokio-1.37.0/src/runtime/scheduler/current_thread/mod.rs:737:27
[INFO] [stdout]   39:     0x55815bc70183 - tokio::runtime::scheduler::current_thread::CoreGuard::block_on::h1765e4a6caf65d57
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/tokio-1.37.0/src/runtime/scheduler/current_thread/mod.rs:646:19
[INFO] [stdout]   40:     0x55815bc6cf33 - tokio::runtime::scheduler::current_thread::CurrentThread::block_on::{{closure}}::h80daa66651dbb412
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/tokio-1.37.0/src/runtime/scheduler/current_thread/mod.rs:175:28
[INFO] [stdout]   41:     0x55815bc370d6 - tokio::runtime::context::runtime::enter_runtime::hcd80078119a75897
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/tokio-1.37.0/src/runtime/context/runtime.rs:65:16
[INFO] [stdout]   42:     0x55815bc6ce91 - tokio::runtime::scheduler::current_thread::CurrentThread::block_on::h0f169576765c3721
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/tokio-1.37.0/src/runtime/scheduler/current_thread/mod.rs:167:9
[INFO] [stdout]   43:     0x55815bc8865d - tokio::runtime::runtime::Runtime::block_on::hfd88ea622e450ffa
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/tokio-1.37.0/src/runtime/runtime.rs:349:47
[INFO] [stdout]   44:     0x55815bcb8a11 - maelstrom_layer_fs::tests::layer_from_manifest::h9030caeb64cb97e9
[INFO] [stdout]                                at /opt/rustwide/workdir/src/lib.rs:1464:9
[INFO] [stdout]   45:     0x55815bcb88b7 - maelstrom_layer_fs::tests::layer_from_manifest::{{closure}}::hdaf77f3ecc1f6bee
[INFO] [stdout]                                at /opt/rustwide/workdir/src/lib.rs:1463:35
[INFO] [stdout]   46:     0x55815ba9cca6 - core::ops::function::FnOnce::call_once::h21882224a0fcff6d
[INFO] [stdout]                                at /rustc/b642703cf9526da1e72c0b6755753b939a9c6b6d/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   47:     0x55815bd4466b - core::ops::function::FnOnce::call_once::h18c6bf92212b87a4
[INFO] [stdout]                                at /rustc/b642703cf9526da1e72c0b6755753b939a9c6b6d/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   48:     0x55815bd4466b - test::__rust_begin_short_backtrace::hdcf0edcfa9080086
[INFO] [stdout]                                at /rustc/b642703cf9526da1e72c0b6755753b939a9c6b6d/library/test/src/lib.rs:625:18
[INFO] [stdout]   49:     0x55815bd43d31 - test::run_test_in_process::{{closure}}::heac2c4eb375d2d10
[INFO] [stdout]                                at /rustc/b642703cf9526da1e72c0b6755753b939a9c6b6d/library/test/src/lib.rs:648:60
[INFO] [stdout]   50:     0x55815bd43d31 - <core::panic::unwind_safe::AssertUnwindSafe<F> as core::ops::function::FnOnce<()>>::call_once::h0289bafc8a1cc004
[INFO] [stdout]                                at /rustc/b642703cf9526da1e72c0b6755753b939a9c6b6d/library/core/src/panic/unwind_safe.rs:272:9
[INFO] [stdout]   51:     0x55815bd43d31 - std::panicking::try::do_call::h5e158f1ad8a5f983
[INFO] [stdout]                                at /rustc/b642703cf9526da1e72c0b6755753b939a9c6b6d/library/std/src/panicking.rs:559:40
[INFO] [stdout]   52:     0x55815bd43d31 - std::panicking::try::hea3411d60321c4de
[INFO] [stdout]                                at /rustc/b642703cf9526da1e72c0b6755753b939a9c6b6d/library/std/src/panicking.rs:523:19
[INFO] [stdout]   53:     0x55815bd43d31 - std::panic::catch_unwind::hafb7bb18bc47bbc7
[INFO] [stdout]                                at /rustc/b642703cf9526da1e72c0b6755753b939a9c6b6d/library/std/src/panic.rs:149:14
[INFO] [stdout]   54:     0x55815bd43d31 - test::run_test_in_process::h74dd138dc7762d99
[INFO] [stdout]                                at /rustc/b642703cf9526da1e72c0b6755753b939a9c6b6d/library/test/src/lib.rs:648:27
[INFO] [stdout]   55:     0x55815bd43d31 - test::run_test::{{closure}}::h6b390822e63606cf
[INFO] [stdout]                                at /rustc/b642703cf9526da1e72c0b6755753b939a9c6b6d/library/test/src/lib.rs:569:43
[INFO] [stdout]   56:     0x55815bd0c704 - test::run_test::{{closure}}::h6e11dba8131d354b
[INFO] [stdout]                                at /rustc/b642703cf9526da1e72c0b6755753b939a9c6b6d/library/test/src/lib.rs:599:41
[INFO] [stdout]   57:     0x55815bd0c704 - std::sys_common::backtrace::__rust_begin_short_backtrace::ha71b3541b59bdbbb
[INFO] [stdout]                                at /rustc/b642703cf9526da1e72c0b6755753b939a9c6b6d/library/std/src/sys_common/backtrace.rs:155:18
[INFO] [stdout]   58:     0x55815bd111d2 - std::thread::Builder::spawn_unchecked_::{{closure}}::{{closure}}::hef92127c5ef9e53c
[INFO] [stdout]                                at /rustc/b642703cf9526da1e72c0b6755753b939a9c6b6d/library/std/src/thread/mod.rs:542:17
[INFO] [stdout]   59:     0x55815bd111d2 - <core::panic::unwind_safe::AssertUnwindSafe<F> as core::ops::function::FnOnce<()>>::call_once::h859c109f9d11c92b
[INFO] [stdout]                                at /rustc/b642703cf9526da1e72c0b6755753b939a9c6b6d/library/core/src/panic/unwind_safe.rs:272:9
[INFO] [stdout]   60:     0x55815bd111d2 - std::panicking::try::do_call::hbf534c458cd858f0
[INFO] [stdout]                                at /rustc/b642703cf9526da1e72c0b6755753b939a9c6b6d/library/std/src/panicking.rs:559:40
[INFO] [stdout]   61:     0x55815bd111d2 - std::panicking::try::h65c18365a7b9ad90
[INFO] [stdout]                                at /rustc/b642703cf9526da1e72c0b6755753b939a9c6b6d/library/std/src/panicking.rs:523:19
[INFO] [stdout]   62:     0x55815bd111d2 - std::panic::catch_unwind::h21b25d4c69478c39
[INFO] [stdout]                                at /rustc/b642703cf9526da1e72c0b6755753b939a9c6b6d/library/std/src/panic.rs:149:14
[INFO] [stdout]   63:     0x55815bd111d2 - std::thread::Builder::spawn_unchecked_::{{closure}}::h23335f620275a9bf
[INFO] [stdout]                                at /rustc/b642703cf9526da1e72c0b6755753b939a9c6b6d/library/std/src/thread/mod.rs:541:30
[INFO] [stdout]   64:     0x55815bd111d2 - core::ops::function::FnOnce::call_once{{vtable.shim}}::hb491dc55513e9b7c
[INFO] [stdout]                                at /rustc/b642703cf9526da1e72c0b6755753b939a9c6b6d/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   65:     0x55815bf321ab - <alloc::boxed::Box<F,A> as core::ops::function::FnOnce<Args>>::call_once::h41b39260afcffdc9
[INFO] [stdout]                                at /rustc/b642703cf9526da1e72c0b6755753b939a9c6b6d/library/alloc/src/boxed.rs:2022:9
[INFO] [stdout]   66:     0x55815bf321ab - <alloc::boxed::Box<F,A> as core::ops::function::FnOnce<Args>>::call_once::h6694c8dc6dd010c4
[INFO] [stdout]                                at /rustc/b642703cf9526da1e72c0b6755753b939a9c6b6d/library/alloc/src/boxed.rs:2022:9
[INFO] [stdout]   67:     0x55815bf321ab - std::sys::pal::unix::thread::Thread::new::thread_start::hf16038e1c8e19c99
[INFO] [stdout]                                at /rustc/b642703cf9526da1e72c0b6755753b939a9c6b6d/library/std/src/sys/pal/unix/thread.rs:108:17
[INFO] [stdout]   68:     0x7f5a291c4ac3 - <unknown>
[INFO] [stdout]   69:     0x7f5a29255a04 - __clone
[INFO] [stdout]   70:                0x0 - <unknown>
[INFO] [stdout] 
[INFO] [stdout] ---- tests::two_layer_empty_top stdout ----
[INFO] [stdout] May 25 05:24:00.948 DEBG mounting FUSE file-system in namespace
[INFO] [stdout] thread 'tests::two_layer_empty_top' panicked at src/lib.rs:1178:18:
[INFO] [stdout] called `Result::unwrap()` on an `Err` value: ENOSYS: Function not implemented
[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/index.crates.io-6f17d22bba15001f/anyhow-1.0.82/src/backtrace.rs:27:14
[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/b642703cf9526da1e72c0b6755753b939a9c6b6d/library/core/src/result.rs:1964:27
[INFO] [stdout]    2: maelstrom_fuse::fuse_mount_namespace::{{closure}}::{{closure}}
[INFO] [stdout]              at /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/maelstrom-fuse-0.8.0/src/lib.rs:127:27
[INFO] [stdout]    3: <tokio::runtime::blocking::task::BlockingTask<T> as core::future::future::Future>::poll
[INFO] [stdout]              at /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/tokio-1.37.0/src/runtime/blocking/task.rs:42:21
[INFO] [stdout]    4: tokio::runtime::task::core::Core<T,S>::poll::{{closure}}
[INFO] [stdout]              at /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/tokio-1.37.0/src/runtime/task/core.rs:328:17
[INFO] [stdout]    5: tokio::loom::std::unsafe_cell::UnsafeCell<T>::with_mut
[INFO] [stdout]              at /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/tokio-1.37.0/src/loom/std/unsafe_cell.rs:16:9
[INFO] [stdout]    6: tokio::runtime::task::core::Core<T,S>::poll
[INFO] [stdout]              at /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/tokio-1.37.0/src/runtime/task/core.rs:317:13
[INFO] [stdout]    7: tokio::runtime::task::harness::poll_future::{{closure}}
[INFO] [stdout]              at /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/tokio-1.37.0/src/runtime/task/harness.rs:485:19
[INFO] [stdout]    8: <core::panic::unwind_safe::AssertUnwindSafe<F> as core::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]              at /rustc/b642703cf9526da1e72c0b6755753b939a9c6b6d/library/core/src/panic/unwind_safe.rs:272:9
[INFO] [stdout]    9: std::panicking::try::do_call
[INFO] [stdout]              at /rustc/b642703cf9526da1e72c0b6755753b939a9c6b6d/library/std/src/panicking.rs:559:40
[INFO] [stdout]   10: __rust_try
[INFO] [stdout]   11: std::panicking::try
[INFO] [stdout]              at /rustc/b642703cf9526da1e72c0b6755753b939a9c6b6d/library/std/src/panicking.rs:523:19
[INFO] [stdout]   12: std::panic::catch_unwind
[INFO] [stdout]              at /rustc/b642703cf9526da1e72c0b6755753b939a9c6b6d/library/std/src/panic.rs:149:14
[INFO] [stdout]   13: tokio::runtime::task::harness::poll_future
[INFO] [stdout]              at /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/tokio-1.37.0/src/runtime/task/harness.rs:473:18
[INFO] [stdout]   14: tokio::runtime::task::harness::Harness<T,S>::poll_inner
[INFO] [stdout]              at /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/tokio-1.37.0/src/runtime/task/harness.rs:208:27
[INFO] [stdout]   15: tokio::runtime::task::harness::Harness<T,S>::poll
[INFO] [stdout]              at /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/tokio-1.37.0/src/runtime/task/harness.rs:153:15
[INFO] [stdout]   16: tokio::runtime::task::raw::poll
[INFO] [stdout]              at /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/tokio-1.37.0/src/runtime/task/raw.rs:271:5
[INFO] [stdout]   17: tokio::runtime::task::raw::RawTask::poll
[INFO] [stdout]              at /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/tokio-1.37.0/src/runtime/task/raw.rs:201:18
[INFO] [stdout]   18: tokio::runtime::task::UnownedTask<S>::run
[INFO] [stdout]              at /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/tokio-1.37.0/src/runtime/task/mod.rs:464:9
[INFO] [stdout]   19: tokio::runtime::blocking::pool::Task::run
[INFO] [stdout]              at /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/tokio-1.37.0/src/runtime/blocking/pool.rs:159:9
[INFO] [stdout]   20: tokio::runtime::blocking::pool::Inner::run
[INFO] [stdout]              at /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/tokio-1.37.0/src/runtime/blocking/pool.rs:513:17
[INFO] [stdout]   21: tokio::runtime::blocking::pool::Spawner::spawn_thread::{{closure}}
[INFO] [stdout]              at /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/tokio-1.37.0/src/runtime/blocking/pool.rs:471:13
[INFO] [stdout]   22: std::sys_common::backtrace::__rust_begin_short_backtrace
[INFO] [stdout]              at /rustc/b642703cf9526da1e72c0b6755753b939a9c6b6d/library/std/src/sys_common/backtrace.rs:155:18
[INFO] [stdout]   23: std::thread::Builder::spawn_unchecked_::{{closure}}::{{closure}}
[INFO] [stdout]              at /rustc/b642703cf9526da1e72c0b6755753b939a9c6b6d/library/std/src/thread/mod.rs:542:17
[INFO] [stdout]   24: <core::panic::unwind_safe::AssertUnwindSafe<F> as core::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]              at /rustc/b642703cf9526da1e72c0b6755753b939a9c6b6d/library/core/src/panic/unwind_safe.rs:272:9
[INFO] [stdout]   25: std::panicking::try::do_call
[INFO] [stdout]              at /rustc/b642703cf9526da1e72c0b6755753b939a9c6b6d/library/std/src/panicking.rs:559:40
[INFO] [stdout]   26: __rust_try
[INFO] [stdout]   27: std::panicking::try
[INFO] [stdout]              at /rustc/b642703cf9526da1e72c0b6755753b939a9c6b6d/library/std/src/panicking.rs:523:19
[INFO] [stdout]   28: std::panic::catch_unwind
[INFO] [stdout]              at /rustc/b642703cf9526da1e72c0b6755753b939a9c6b6d/library/std/src/panic.rs:149:14
[INFO] [stdout]   29: std::thread::Builder::spawn_unchecked_::{{closure}}
[INFO] [stdout]              at /rustc/b642703cf9526da1e72c0b6755753b939a9c6b6d/library/std/src/thread/mod.rs:541:30
[INFO] [stdout]   30: core::ops::function::FnOnce::call_once{{vtable.shim}}
[INFO] [stdout]              at /rustc/b642703cf9526da1e72c0b6755753b939a9c6b6d/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   31: <alloc::boxed::Box<F,A> as core::ops::function::FnOnce<Args>>::call_once
[INFO] [stdout]              at /rustc/b642703cf9526da1e72c0b6755753b939a9c6b6d/library/alloc/src/boxed.rs:2022:9
[INFO] [stdout]   32: <alloc::boxed::Box<F,A> as core::ops::function::FnOnce<Args>>::call_once
[INFO] [stdout]              at /rustc/b642703cf9526da1e72c0b6755753b939a9c6b6d/library/alloc/src/boxed.rs:2022:9
[INFO] [stdout]   33: std::sys::pal::unix::thread::Thread::new::thread_start
[INFO] [stdout]              at /rustc/b642703cf9526da1e72c0b6755753b939a9c6b6d/library/std/src/sys/pal/unix/thread.rs:108:17
[INFO] [stdout]   34: <unknown>
[INFO] [stdout]   35: __clone
[INFO] [stdout] stack backtrace:
[INFO] [stdout]    0:     0x55815bf2a915 - std::backtrace_rs::backtrace::libunwind::trace::he49dc9a9e3164223
[INFO] [stdout]                                at /rustc/b642703cf9526da1e72c0b6755753b939a9c6b6d/library/std/src/../../backtrace/src/backtrace/libunwind.rs:105:5
[INFO] [stdout]    1:     0x55815bf2a915 - std::backtrace_rs::backtrace::trace_unsynchronized::h3a3e77c68030aa6b
[INFO] [stdout]                                at /rustc/b642703cf9526da1e72c0b6755753b939a9c6b6d/library/std/src/../../backtrace/src/backtrace/mod.rs:66:5
[INFO] [stdout]    2:     0x55815bf2a915 - std::sys_common::backtrace::_print_fmt::h9479ad2f99afd5d4
[INFO] [stdout]                                at /rustc/b642703cf9526da1e72c0b6755753b939a9c6b6d/library/std/src/sys_common/backtrace.rs:68:5
[INFO] [stdout]    3:     0x55815bf2a915 - <std::sys_common::backtrace::_print::DisplayBacktrace as core::fmt::Display>::fmt::hfb01aa1fa3fb1821
[INFO] [stdout]                                at /rustc/b642703cf9526da1e72c0b6755753b939a9c6b6d/library/std/src/sys_common/backtrace.rs:44:22
[INFO] [stdout]    4:     0x55815bf53beb - core::fmt::rt::Argument::fmt::h125e56152abbc1c3
[INFO] [stdout]                                at /rustc/b642703cf9526da1e72c0b6755753b939a9c6b6d/library/core/src/fmt/rt.rs:165:63
[INFO] [stdout]    5:     0x55815bf53beb - core::fmt::write::hb0ab4ff05ccfe741
[INFO] [stdout]                                at /rustc/b642703cf9526da1e72c0b6755753b939a9c6b6d/library/core/src/fmt/mod.rs:1169:21
[INFO] [stdout]    6:     0x55815bf27bcf - std::io::Write::write_fmt::hea6336dbf2fa00b8
[INFO] [stdout]                                at /rustc/b642703cf9526da1e72c0b6755753b939a9c6b6d/library/std/src/io/mod.rs:1835:15
[INFO] [stdout]    7:     0x55815bf2a6ee - std::sys_common::backtrace::_print::h79ca548f3a2adf4b
[INFO] [stdout]                                at /rustc/b642703cf9526da1e72c0b6755753b939a9c6b6d/library/std/src/sys_common/backtrace.rs:47:5
[INFO] [stdout]    8:     0x55815bf2a6ee - std::sys_common::backtrace::print::h9aebf997b2fea2d3
[INFO] [stdout]                                at /rustc/b642703cf9526da1e72c0b6755753b939a9c6b6d/library/std/src/sys_common/backtrace.rs:34:9
[INFO] [stdout]    9:     0x55815bf2c059 - std::panicking::default_hook::{{closure}}::h68a0954af2694526
[INFO] [stdout]   10:     0x55815bf2bdac - std::panicking::default_hook::h5be50cc6849ffb00
[INFO] [stdout]                                at /rustc/b642703cf9526da1e72c0b6755753b939a9c6b6d/library/std/src/panicking.rs:295:9
[INFO] [stdout]   11:     0x55815bd3fd4f - <alloc::boxed::Box<F,A> as core::ops::function::Fn<Args>>::call::hd874405dcbd1d3ed
[INFO] [stdout]                                at /rustc/b642703cf9526da1e72c0b6755753b939a9c6b6d/library/alloc/src/boxed.rs:2036:9
[INFO] [stdout]   12:     0x55815bd3fd4f - test::test_main::{{closure}}::h4f26a9df34a84b94
[INFO] [stdout]                                at /rustc/b642703cf9526da1e72c0b6755753b939a9c6b6d/library/test/src/lib.rs:137:21
[INFO] [stdout]   13:     0x55815bf2c65b - <alloc::boxed::Box<F,A> as core::ops::function::Fn<Args>>::call::h00e96d9c62aa9a12
[INFO] [stdout]                                at /rustc/b642703cf9526da1e72c0b6755753b939a9c6b6d/library/alloc/src/boxed.rs:2036:9
[INFO] [stdout]   14:     0x55815bf2c65b - std::panicking::rust_panic_with_hook::h3c0df6036729334c
[INFO] [stdout]                                at /rustc/b642703cf9526da1e72c0b6755753b939a9c6b6d/library/std/src/panicking.rs:799:13
[INFO] [stdout]   15:     0x55815bf2c3d4 - std::panicking::begin_panic_handler::{{closure}}::ha3a21e93c4cfd807
[INFO] [stdout]                                at /rustc/b642703cf9526da1e72c0b6755753b939a9c6b6d/library/std/src/panicking.rs:664:13
[INFO] [stdout]   16:     0x55815bf2add9 - std::sys_common::backtrace::__rust_end_short_backtrace::h19508a8f8ae71dc9
[INFO] [stdout]                                at /rustc/b642703cf9526da1e72c0b6755753b939a9c6b6d/library/std/src/sys_common/backtrace.rs:171:18
[INFO] [stdout]   17:     0x55815bf2c107 - rust_begin_unwind
[INFO] [stdout]                                at /rustc/b642703cf9526da1e72c0b6755753b939a9c6b6d/library/std/src/panicking.rs:652:5
[INFO] [stdout]   18:     0x55815ba9b2b3 - core::panicking::panic_fmt::h2ba8af99174d83ea
[INFO] [stdout]                                at /rustc/b642703cf9526da1e72c0b6755753b939a9c6b6d/library/core/src/panicking.rs:72:14
[INFO] [stdout]   19:     0x55815ba9b806 - core::result::unwrap_failed::h52f3bbb78b59f71d
[INFO] [stdout]                                at /rustc/b642703cf9526da1e72c0b6755753b939a9c6b6d/library/core/src/result.rs:1654:5
[INFO] [stdout]   20:     0x55815bca635a - core::result::Result<T,E>::unwrap::h12d33d75ca13dd03
[INFO] [stdout]                                at /rustc/b642703cf9526da1e72c0b6755753b939a9c6b6d/library/core/src/result.rs:1077:23
[INFO] [stdout]   21:     0x55815bca635a - maelstrom_layer_fs::tests::Fixture::mount::{{closure}}::h76f7f34a1afa1da4
[INFO] [stdout]                                at /opt/rustwide/workdir/src/lib.rs:1175:13
[INFO] [stdout]   22:     0x55815bcadf73 - maelstrom_layer_fs::tests::two_layer_test::{{closure}}::hf53889b09a73f9cb
[INFO] [stdout]                                at /opt/rustwide/workdir/src/lib.rs:1537:48
[INFO] [stdout]   23:     0x55815bcbb6c5 - maelstrom_layer_fs::tests::two_layer_empty_top::{{closure}}::h1e602223015d6c6e
[INFO] [stdout]                                at /opt/rustwide/workdir/src/lib.rs:1604:10
[INFO] [stdout]   24:     0x55815bc89d52 - <core::pin::Pin<P> as core::future::future::Future>::poll::h6a85ffe21b2c4c95
[INFO] [stdout]                                at /rustc/b642703cf9526da1e72c0b6755753b939a9c6b6d/library/core/src/future/future.rs:123:9
[INFO] [stdout]   25:     0x55815bc89ccd - <core::pin::Pin<P> as core::future::future::Future>::poll::h3a17e493fe70644b
[INFO] [stdout]                                at /rustc/b642703cf9526da1e72c0b6755753b939a9c6b6d/library/core/src/future/future.rs:123:9
[INFO] [stdout]   26:     0x55815bc70c2f - tokio::runtime::scheduler::current_thread::CoreGuard::block_on::{{closure}}::{{closure}}::{{closure}}::hbcae7a313f3c6152
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/tokio-1.37.0/src/runtime/scheduler/current_thread/mod.rs:659:57
[INFO] [stdout]   27:     0x55815bc70b65 - tokio::runtime::coop::with_budget::h5ac2764e228d0de6
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/tokio-1.37.0/src/runtime/coop.rs:107:5
[INFO] [stdout]   28:     0x55815bc70b65 - tokio::runtime::coop::budget::hc658c8e4cb0a0c8d
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/tokio-1.37.0/src/runtime/coop.rs:73:5
[INFO] [stdout]   29:     0x55815bc70b65 - tokio::runtime::scheduler::current_thread::CoreGuard::block_on::{{closure}}::{{closure}}::h12e10693abf9f854
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/tokio-1.37.0/src/runtime/scheduler/current_thread/mod.rs:659:25
[INFO] [stdout]   30:     0x55815bc6f650 - tokio::runtime::scheduler::current_thread::Context::enter::h1a25ea7e5529a0a0
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/tokio-1.37.0/src/runtime/scheduler/current_thread/mod.rs:404:19
[INFO] [stdout]   31:     0x55815bc703eb - tokio::runtime::scheduler::current_thread::CoreGuard::block_on::{{closure}}::h938371df17317d12
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/tokio-1.37.0/src/runtime/scheduler/current_thread/mod.rs:658:36
[INFO] [stdout]   32:     0x55815bc70164 - tokio::runtime::scheduler::current_thread::CoreGuard::enter::{{closure}}::h23361fef9920aca5
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/tokio-1.37.0/src/runtime/scheduler/current_thread/mod.rs:737:68
[INFO] [stdout]   33:     0x55815bc351fb - tokio::runtime::context::scoped::Scoped<T>::set::hfcf659facfad285b
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/tokio-1.37.0/src/runtime/context/scoped.rs:40:9
[INFO] [stdout]   34:     0x55815bb3e999 - tokio::runtime::context::set_scheduler::{{closure}}::h2fae601fb4a4e825
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/tokio-1.37.0/src/runtime/context.rs:176:26
[INFO] [stdout]   35:     0x55815bc945a0 - std::thread::local::LocalKey<T>::try_with::hfb57897efafa1ada
[INFO] [stdout]                                at /rustc/b642703cf9526da1e72c0b6755753b939a9c6b6d/library/std/src/thread/local.rs:286:12
[INFO] [stdout]   36:     0x55815bc92c5a - std::thread::local::LocalKey<T>::with::h943317245f47db8c
[INFO] [stdout]                                at /rustc/b642703cf9526da1e72c0b6755753b939a9c6b6d/library/std/src/thread/local.rs:262:9
[INFO] [stdout]   37:     0x55815bb3e94d - tokio::runtime::context::set_scheduler::hf044fc79721ae8bb
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/tokio-1.37.0/src/runtime/context.rs:176:9
[INFO] [stdout]   38:     0x55815bc6ff10 - tokio::runtime::scheduler::current_thread::CoreGuard::enter::h4f1e663cea134727
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/tokio-1.37.0/src/runtime/scheduler/current_thread/mod.rs:737:27
[INFO] [stdout]   39:     0x55815bc70183 - tokio::runtime::scheduler::current_thread::CoreGuard::block_on::h1765e4a6caf65d57
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/tokio-1.37.0/src/runtime/scheduler/current_thread/mod.rs:646:19
[INFO] [stdout]   40:     0x55815bc6cf33 - tokio::runtime::scheduler::current_thread::CurrentThread::block_on::{{closure}}::h80daa66651dbb412
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/tokio-1.37.0/src/runtime/scheduler/current_thread/mod.rs:175:28
[INFO] [stdout]   41:     0x55815bc370d6 - tokio::runtime::context::runtime::enter_runtime::hcd80078119a75897
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/tokio-1.37.0/src/runtime/context/runtime.rs:65:16
[INFO] [stdout]   42:     0x55815bc6ce91 - tokio::runtime::scheduler::current_thread::CurrentThread::block_on::h0f169576765c3721
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/tokio-1.37.0/src/runtime/scheduler/current_thread/mod.rs:167:9
[INFO] [stdout]   43:     0x55815bc8865d - tokio::runtime::runtime::Runtime::block_on::hfd88ea622e450ffa
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/tokio-1.37.0/src/runtime/runtime.rs:349:47
[INFO] [stdout]   44:     0x55815bcbabe0 - maelstrom_layer_fs::tests::two_layer_empty_top::h2b921debdfd921d5
[INFO] [stdout]                                at /opt/rustwide/workdir/src/lib.rs:1594:9
[INFO] [stdout]   45:     0x55815bcbaa77 - maelstrom_layer_fs::tests::two_layer_empty_top::{{closure}}::haef3c5a7c487af6d
[INFO] [stdout]                                at /opt/rustwide/workdir/src/lib.rs:1593:35
[INFO] [stdout]   46:     0x55815ba9eb46 - core::ops::function::FnOnce::call_once::h8d774ab826abaabc
[INFO] [stdout]                                at /rustc/b642703cf9526da1e72c0b6755753b939a9c6b6d/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   47:     0x55815bd4466b - core::ops::function::FnOnce::call_once::h18c6bf92212b87a4
[INFO] [stdout]                                at /rustc/b642703cf9526da1e72c0b6755753b939a9c6b6d/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   48:     0x55815bd4466b - test::__rust_begin_short_backtrace::hdcf0edcfa9080086
[INFO] [stdout]                                at /rustc/b642703cf9526da1e72c0b6755753b939a9c6b6d/library/test/src/lib.rs:625:18
[INFO] [stdout]   49:     0x55815bd43d31 - test::run_test_in_process::{{closure}}::heac2c4eb375d2d10
[INFO] [stdout]                                at /rustc/b642703cf9526da1e72c0b6755753b939a9c6b6d/library/test/src/lib.rs:648:60
[INFO] [stdout]   50:     0x55815bd43d31 - <core::panic::unwind_safe::AssertUnwindSafe<F> as core::ops::function::FnOnce<()>>::call_once::h0289bafc8a1cc004
[INFO] [stdout]                                at /rustc/b642703cf9526da1e72c0b6755753b939a9c6b6d/library/core/src/panic/unwind_safe.rs:272:9
[INFO] [stdout]   51:     0x55815bd43d31 - std::panicking::try::do_call::h5e158f1ad8a5f983
[INFO] [stdout]                                at /rustc/b642703cf9526da1e72c0b6755753b939a9c6b6d/library/std/src/panicking.rs:559:40
[INFO] [stdout]   52:     0x55815bd43d31 - std::panicking::try::hea3411d60321c4de
[INFO] [stdout]                                at /rustc/b642703cf9526da1e72c0b6755753b939a9c6b6d/library/std/src/panicking.rs:523:19
[INFO] [stdout]   53:     0x55815bd43d31 - std::panic::catch_unwind::hafb7bb18bc47bbc7
[INFO] [stdout]                                at /rustc/b642703cf9526da1e72c0b6755753b939a9c6b6d/library/std/src/panic.rs:149:14
[INFO] [stdout]   54:     0x55815bd43d31 - test::run_test_in_process::h74dd138dc7762d99
[INFO] [stdout]                                at /rustc/b642703cf9526da1e72c0b6755753b939a9c6b6d/library/test/src/lib.rs:648:27
[INFO] [stdout]   55:     0x55815bd43d31 - test::run_test::{{closure}}::h6b390822e63606cf
[INFO] [stdout]                                at /rustc/b642703cf9526da1e72c0b6755753b939a9c6b6d/library/test/src/lib.rs:569:43
[INFO] [stdout]   56:     0x55815bd0c704 - test::run_test::{{closure}}::h6e11dba8131d354b
[INFO] [stdout]                                at /rustc/b642703cf9526da1e72c0b6755753b939a9c6b6d/library/test/src/lib.rs:599:41
[INFO] [stdout]   57:     0x55815bd0c704 - std::sys_common::backtrace::__rust_begin_short_backtrace::ha71b3541b59bdbbb
[INFO] [stdout]                                at /rustc/b642703cf9526da1e72c0b6755753b939a9c6b6d/library/std/src/sys_common/backtrace.rs:155:18
[INFO] [stdout]   58:     0x55815bd111d2 - std::thread::Builder::spawn_unchecked_::{{closure}}::{{closure}}::hef92127c5ef9e53c
[INFO] [stdout]                                at /rustc/b642703cf9526da1e72c0b6755753b939a9c6b6d/library/std/src/thread/mod.rs:542:17
[INFO] [stdout]   59:     0x55815bd111d2 - <core::panic::unwind_safe::AssertUnwindSafe<F> as core::ops::function::FnOnce<()>>::call_once::h859c109f9d11c92b
[INFO] [stdout]                                at /rustc/b642703cf9526da1e72c0b6755753b939a9c6b6d/library/core/src/panic/unwind_safe.rs:272:9
[INFO] [stdout]   60:     0x55815bd111d2 - std::panicking::try::do_call::hbf534c458cd858f0
[INFO] [stdout]                                at /rustc/b642703cf9526da1e72c0b6755753b939a9c6b6d/library/std/src/panicking.rs:559:40
[INFO] [stdout]   61:     0x55815bd111d2 - std::panicking::try::h65c18365a7b9ad90
[INFO] [stdout]                                at /rustc/b642703cf9526da1e72c0b6755753b939a9c6b6d/library/std/src/panicking.rs:523:19
[INFO] [stdout]   62:     0x55815bd111d2 - std::panic::catch_unwind::h21b25d4c69478c39
[INFO] [stdout]                                at /rustc/b642703cf9526da1e72c0b6755753b939a9c6b6d/library/std/src/panic.rs:149:14
[INFO] [stdout]   63:     0x55815bd111d2 - std::thread::Builder::spawn_unchecked_::{{closure}}::h23335f620275a9bf
[INFO] [stdout]                                at /rustc/b642703cf9526da1e72c0b6755753b939a9c6b6d/library/std/src/thread/mod.rs:541:30
[INFO] [stdout]   64:     0x55815bd111d2 - core::ops::function::FnOnce::call_once{{vtable.shim}}::hb491dc55513e9b7c
[INFO] [stdout]                                at /rustc/b642703cf9526da1e72c0b6755753b939a9c6b6d/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   65:     0x55815bf321ab - <alloc::boxed::Box<F,A> as core::ops::function::FnOnce<Args>>::call_once::h41b39260afcffdc9
[INFO] [stdout]                                at /rustc/b642703cf9526da1e72c0b6755753b939a9c6b6d/library/alloc/src/boxed.rs:2022:9
[INFO] [stdout]   66:     0x55815bf321ab - <alloc::boxed::Box<F,A> as core::ops::function::FnOnce<Args>>::call_once::h6694c8dc6dd010c4
[INFO] [stdout]                                at /rustc/b642703cf9526da1e72c0b6755753b939a9c6b6d/library/alloc/src/boxed.rs:2022:9
[INFO] [stdout]   67:     0x55815bf321ab - std::sys::pal::unix::thread::Thread::new::thread_start::hf16038e1c8e19c99
[INFO] [stdout]                                at /rustc/b642703cf9526da1e72c0b6755753b939a9c6b6d/library/std/src/sys/pal/unix/thread.rs:108:17
[INFO] [stdout]   68:     0x7f5a291c4ac3 - <unknown>
[INFO] [stdout]   69:     0x7f5a29255a04 - __clone
[INFO] [stdout]   70:                0x0 - <unknown>
[INFO] [stdout] 
[INFO] [stdout] ---- tests::two_layer_large_bottom_dir stdout ----
[INFO] [stdout] May 25 05:24:00.948 DEBG mounting FUSE file-system in namespace
[INFO] [stdout] thread 'tests::two_layer_large_bottom_dir' panicked at src/lib.rs:1178:18:
[INFO] [stdout] called `Result::unwrap()` on an `Err` value: ENOSYS: Function not implemented
[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/index.crates.io-6f17d22bba15001f/anyhow-1.0.82/src/backtrace.rs:27:14
[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/b642703cf9526da1e72c0b6755753b939a9c6b6d/library/core/src/result.rs:1964:27
[INFO] [stdout]    2: maelstrom_fuse::fuse_mount_namespace::{{closure}}::{{closure}}
[INFO] [stdout]              at /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/maelstrom-fuse-0.8.0/src/lib.rs:127:27
[INFO] [stdout]    3: <tokio::runtime::blocking::task::BlockingTask<T> as core::future::future::Future>::poll
[INFO] [stdout]              at /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/tokio-1.37.0/src/runtime/blocking/task.rs:42:21
[INFO] [stdout]    4: tokio::runtime::task::core::Core<T,S>::poll::{{closure}}
[INFO] [stdout]              at /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/tokio-1.37.0/src/runtime/task/core.rs:328:17
[INFO] [stdout]    5: tokio::loom::std::unsafe_cell::UnsafeCell<T>::with_mut
[INFO] [stdout]              at /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/tokio-1.37.0/src/loom/std/unsafe_cell.rs:16:9
[INFO] [stdout]    6: tokio::runtime::task::core::Core<T,S>::poll
[INFO] [stdout]              at /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/tokio-1.37.0/src/runtime/task/core.rs:317:13
[INFO] [stdout]    7: tokio::runtime::task::harness::poll_future::{{closure}}
[INFO] [stdout]              at /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/tokio-1.37.0/src/runtime/task/harness.rs:485:19
[INFO] [stdout]    8: <core::panic::unwind_safe::AssertUnwindSafe<F> as core::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]              at /rustc/b642703cf9526da1e72c0b6755753b939a9c6b6d/library/core/src/panic/unwind_safe.rs:272:9
[INFO] [stdout]    9: std::panicking::try::do_call
[INFO] [stdout]              at /rustc/b642703cf9526da1e72c0b6755753b939a9c6b6d/library/std/src/panicking.rs:559:40
[INFO] [stdout]   10: __rust_try
[INFO] [stdout]   11: std::panicking::try
[INFO] [stdout]              at /rustc/b642703cf9526da1e72c0b6755753b939a9c6b6d/library/std/src/panicking.rs:523:19
[INFO] [stdout]   12: std::panic::catch_unwind
[INFO] [stdout]              at /rustc/b642703cf9526da1e72c0b6755753b939a9c6b6d/library/std/src/panic.rs:149:14
[INFO] [stdout]   13: tokio::runtime::task::harness::poll_future
[INFO] [stdout]              at /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/tokio-1.37.0/src/runtime/task/harness.rs:473:18
[INFO] [stdout]   14: tokio::runtime::task::harness::Harness<T,S>::poll_inner
[INFO] [stdout]              at /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/tokio-1.37.0/src/runtime/task/harness.rs:208:27
[INFO] [stdout]   15: tokio::runtime::task::harness::Harness<T,S>::poll
[INFO] [stdout]              at /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/tokio-1.37.0/src/runtime/task/harness.rs:153:15
[INFO] [stdout]   16: tokio::runtime::task::raw::poll
[INFO] [stdout]              at /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/tokio-1.37.0/src/runtime/task/raw.rs:271:5
[INFO] [stdout]   17: tokio::runtime::task::raw::RawTask::poll
[INFO] [stdout]              at /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/tokio-1.37.0/src/runtime/task/raw.rs:201:18
[INFO] [stdout]   18: tokio::runtime::task::UnownedTask<S>::run
[INFO] [stdout]              at /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/tokio-1.37.0/src/runtime/task/mod.rs:464:9
[INFO] [stdout]   19: tokio::runtime::blocking::pool::Task::run
[INFO] [stdout]              at /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/tokio-1.37.0/src/runtime/blocking/pool.rs:159:9
[INFO] [stdout]   20: tokio::runtime::blocking::pool::Inner::run
[INFO] [stdout]              at /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/tokio-1.37.0/src/runtime/blocking/pool.rs:513:17
[INFO] [stdout]   21: tokio::runtime::blocking::pool::Spawner::spawn_thread::{{closure}}
[INFO] [stdout]              at /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/tokio-1.37.0/src/runtime/blocking/pool.rs:471:13
[INFO] [stdout]   22: std::sys_common::backtrace::__rust_begin_short_backtrace
[INFO] [stdout]              at /rustc/b642703cf9526da1e72c0b6755753b939a9c6b6d/library/std/src/sys_common/backtrace.rs:155:18
[INFO] [stdout]   23: std::thread::Builder::spawn_unchecked_::{{closure}}::{{closure}}
[INFO] [stdout]              at /rustc/b642703cf9526da1e72c0b6755753b939a9c6b6d/library/std/src/thread/mod.rs:542:17
[INFO] [stdout]   24: <core::panic::unwind_safe::AssertUnwindSafe<F> as core::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]              at /rustc/b642703cf9526da1e72c0b6755753b939a9c6b6d/library/core/src/panic/unwind_safe.rs:272:9
[INFO] [stdout]   25: std::panicking::try::do_call
[INFO] [stdout]              at /rustc/b642703cf9526da1e72c0b6755753b939a9c6b6d/library/std/src/panicking.rs:559:40
[INFO] [stdout]   26: __rust_try
[INFO] [stdout]   27: std::panicking::try
[INFO] [stdout]              at /rustc/b642703cf9526da1e72c0b6755753b939a9c6b6d/library/std/src/panicking.rs:523:19
[INFO] [stdout]   28: std::panic::catch_unwind
[INFO] [stdout]              at /rustc/b642703cf9526da1e72c0b6755753b939a9c6b6d/library/std/src/panic.rs:149:14
[INFO] [stdout]   29: std::thread::Builder::spawn_unchecked_::{{closure}}
[INFO] [stdout]              at /rustc/b642703cf9526da1e72c0b6755753b939a9c6b6d/library/std/src/thread/mod.rs:541:30
[INFO] [stdout]   30: core::ops::function::FnOnce::call_once{{vtable.shim}}
[INFO] [stdout]              at /rustc/b642703cf9526da1e72c0b6755753b939a9c6b6d/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   31: <alloc::boxed::Box<F,A> as core::ops::function::FnOnce<Args>>::call_once
[INFO] [stdout]              at /rustc/b642703cf9526da1e72c0b6755753b939a9c6b6d/library/alloc/src/boxed.rs:2022:9
[INFO] [stdout]   32: <alloc::boxed::Box<F,A> as core::ops::function::FnOnce<Args>>::call_once
[INFO] [stdout]              at /rustc/b642703cf9526da1e72c0b6755753b939a9c6b6d/library/alloc/src/boxed.rs:2022:9
[INFO] [stdout]   33: std::sys::pal::unix::thread::Thread::new::thread_start
[INFO] [stdout]              at /rustc/b642703cf9526da1e72c0b6755753b939a9c6b6d/library/std/src/sys/pal/unix/thread.rs:108:17
[INFO] [stdout]   34: <unknown>
[INFO] [stdout]   35: __clone
[INFO] [stdout] stack backtrace:
[INFO] [stdout]    0:     0x55815bf2a915 - std::backtrace_rs::backtrace::libunwind::trace::he49dc9a9e3164223
[INFO] [stdout]                                at /rustc/b642703cf9526da1e72c0b6755753b939a9c6b6d/library/std/src/../../backtrace/src/backtrace/libunwind.rs:105:5
[INFO] [stdout]    1:     0x55815bf2a915 - std::backtrace_rs::backtrace::trace_unsynchronized::h3a3e77c68030aa6b
[INFO] [stdout]                                at /rustc/b642703cf9526da1e72c0b6755753b939a9c6b6d/library/std/src/../../backtrace/src/backtrace/mod.rs:66:5
[INFO] [stdout]    2:     0x55815bf2a915 - std::sys_common::backtrace::_print_fmt::h9479ad2f99afd5d4
[INFO] [stdout]                                at /rustc/b642703cf9526da1e72c0b6755753b939a9c6b6d/library/std/src/sys_common/backtrace.rs:68:5
[INFO] [stdout]    3:     0x55815bf2a915 - <std::sys_common::backtrace::_print::DisplayBacktrace as core::fmt::Display>::fmt::hfb01aa1fa3fb1821
[INFO] [stdout]                                at /rustc/b642703cf9526da1e72c0b6755753b939a9c6b6d/library/std/src/sys_common/backtrace.rs:44:22
[INFO] [stdout]    4:     0x55815bf53beb - core::fmt::rt::Argument::fmt::h125e56152abbc1c3
[INFO] [stdout]                                at /rustc/b642703cf9526da1e72c0b6755753b939a9c6b6d/library/core/src/fmt/rt.rs:165:63
[INFO] [stdout]    5:     0x55815bf53beb - core::fmt::write::hb0ab4ff05ccfe741
[INFO] [stdout]                                at /rustc/b642703cf9526da1e72c0b6755753b939a9c6b6d/library/core/src/fmt/mod.rs:1169:21
[INFO] [stdout]    6:     0x55815bf27bcf - std::io::Write::write_fmt::hea6336dbf2fa00b8
[INFO] [stdout]                                at /rustc/b642703cf9526da1e72c0b6755753b939a9c6b6d/library/std/src/io/mod.rs:1835:15
[INFO] [stdout]    7:     0x55815bf2a6ee - std::sys_common::backtrace::_print::h79ca548f3a2adf4b
[INFO] [stdout]                                at /rustc/b642703cf9526da1e72c0b6755753b939a9c6b6d/library/std/src/sys_common/backtrace.rs:47:5
[INFO] [stdout]    8:     0x55815bf2a6ee - std::sys_common::backtrace::print::h9aebf997b2fea2d3
[INFO] [stdout]                                at /rustc/b642703cf9526da1e72c0b6755753b939a9c6b6d/library/std/src/sys_common/backtrace.rs:34:9
[INFO] [stdout]    9:     0x55815bf2c059 - std::panicking::default_hook::{{closure}}::h68a0954af2694526
[INFO] [stdout]   10:     0x55815bf2bdac - std::panicking::default_hook::h5be50cc6849ffb00
[INFO] [stdout]                                at /rustc/b642703cf9526da1e72c0b6755753b939a9c6b6d/library/std/src/panicking.rs:295:9
[INFO] [stdout]   11:     0x55815bd3fd4f - <alloc::boxed::Box<F,A> as core::ops::function::Fn<Args>>::call::hd874405dcbd1d3ed
[INFO] [stdout]                                at /rustc/b642703cf9526da1e72c0b6755753b939a9c6b6d/library/alloc/src/boxed.rs:2036:9
[INFO] [stdout]   12:     0x55815bd3fd4f - test::test_main::{{closure}}::h4f26a9df34a84b94
[INFO] [stdout]                                at /rustc/b642703cf9526da1e72c0b6755753b939a9c6b6d/library/test/src/lib.rs:137:21
[INFO] [stdout]   13:     0x55815bf2c65b - <alloc::boxed::Box<F,A> as core::ops::function::Fn<Args>>::call::h00e96d9c62aa9a12
[INFO] [stdout]                                at /rustc/b642703cf9526da1e72c0b6755753b939a9c6b6d/library/alloc/src/boxed.rs:2036:9
[INFO] [stdout]   14:     0x55815bf2c65b - std::panicking::rust_panic_with_hook::h3c0df6036729334c
[INFO] [stdout]                                at /rustc/b642703cf9526da1e72c0b6755753b939a9c6b6d/library/std/src/panicking.rs:799:13
[INFO] [stdout]   15:     0x55815bf2c3d4 - std::panicking::begin_panic_handler::{{closure}}::ha3a21e93c4cfd807
[INFO] [stdout]                                at /rustc/b642703cf9526da1e72c0b6755753b939a9c6b6d/library/std/src/panicking.rs:664:13
[INFO] [stdout]   16:     0x55815bf2add9 - std::sys_common::backtrace::__rust_end_short_backtrace::h19508a8f8ae71dc9
[INFO] [stdout]                                at /rustc/b642703cf9526da1e72c0b6755753b939a9c6b6d/library/std/src/sys_common/backtrace.rs:171:18
[INFO] [stdout]   17:     0x55815bf2c107 - rust_begin_unwind
[INFO] [stdout]                                at /rustc/b642703cf9526da1e72c0b6755753b939a9c6b6d/library/std/src/panicking.rs:652:5
[INFO] [stdout]   18:     0x55815ba9b2b3 - core::panicking::panic_fmt::h2ba8af99174d83ea
[INFO] [stdout]                                at /rustc/b642703cf9526da1e72c0b6755753b939a9c6b6d/library/core/src/panicking.rs:72:14
[INFO] [stdout]   19:     0x55815ba9b806 - core::result::unwrap_failed::h52f3bbb78b59f71d
[INFO] [stdout]                                at /rustc/b642703cf9526da1e72c0b6755753b939a9c6b6d/library/core/src/result.rs:1654:5
[INFO] [stdout]   20:     0x55815bca635a - core::result::Result<T,E>::unwrap::h12d33d75ca13dd03
[INFO] [stdout]                                at /rustc/b642703cf9526da1e72c0b6755753b939a9c6b6d/library/core/src/result.rs:1077:23
[INFO] [stdout]   21:     0x55815bca635a - maelstrom_layer_fs::tests::Fixture::mount::{{closure}}::h76f7f34a1afa1da4
[INFO] [stdout]                                at /opt/rustwide/workdir/src/lib.rs:1175:13
[INFO] [stdout]   22:     0x55815bcadf73 - maelstrom_layer_fs::tests::two_layer_test::{{closure}}::hf53889b09a73f9cb
[INFO] [stdout]                                at /opt/rustwide/workdir/src/lib.rs:1537:48
[INFO] [stdout]   23:     0x55815bcbc09b - maelstrom_layer_fs::tests::two_layer_large_bottom_dir::{{closure}}::h00da129eeea07d15
[INFO] [stdout]                                at /opt/rustwide/workdir/src/lib.rs:1617:10
[INFO] [stdout]   24:     0x55815bc89d52 - <core::pin::Pin<P> as core::future::future::Future>::poll::h6a85ffe21b2c4c95
[INFO] [stdout]                                at /rustc/b642703cf9526da1e72c0b6755753b939a9c6b6d/library/core/src/future/future.rs:123:9
[INFO] [stdout]   25:     0x55815bc89ccd - <core::pin::Pin<P> as core::future::future::Future>::poll::h3a17e493fe70644b
[INFO] [stdout]                                at /rustc/b642703cf9526da1e72c0b6755753b939a9c6b6d/library/core/src/future/future.rs:123:9
[INFO] [stdout]   26:     0x55815bc70c2f - tokio::runtime::scheduler::current_thread::CoreGuard::block_on::{{closure}}::{{closure}}::{{closure}}::hbcae7a313f3c6152
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/tokio-1.37.0/src/runtime/scheduler/current_thread/mod.rs:659:57
[INFO] [stdout]   27:     0x55815bc70b65 - tokio::runtime::coop::with_budget::h5ac2764e228d0de6
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/tokio-1.37.0/src/runtime/coop.rs:107:5
[INFO] [stdout]   28:     0x55815bc70b65 - tokio::runtime::coop::budget::hc658c8e4cb0a0c8d
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/tokio-1.37.0/src/runtime/coop.rs:73:5
[INFO] [stdout]   29:     0x55815bc70b65 - tokio::runtime::scheduler::current_thread::CoreGuard::block_on::{{closure}}::{{closure}}::h12e10693abf9f854
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/tokio-1.37.0/src/runtime/scheduler/current_thread/mod.rs:659:25
[INFO] [stdout]   30:     0x55815bc6f650 - tokio::runtime::scheduler::current_thread::Context::enter::h1a25ea7e5529a0a0
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/tokio-1.37.0/src/runtime/scheduler/current_thread/mod.rs:404:19
[INFO] [stdout]   31:     0x55815bc703eb - tokio::runtime::scheduler::current_thread::CoreGuard::block_on::{{closure}}::h938371df17317d12
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/tokio-1.37.0/src/runtime/scheduler/current_thread/mod.rs:658:36
[INFO] [stdout]   32:     0x55815bc70164 - tokio::runtime::scheduler::current_thread::CoreGuard::enter::{{closure}}::h23361fef9920aca5
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/tokio-1.37.0/src/runtime/scheduler/current_thread/mod.rs:737:68
[INFO] [stdout]   33:     0x55815bc351fb - tokio::runtime::context::scoped::Scoped<T>::set::hfcf659facfad285b
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/tokio-1.37.0/src/runtime/context/scoped.rs:40:9
[INFO] [stdout]   34:     0x55815bb3e999 - tokio::runtime::context::set_scheduler::{{closure}}::h2fae601fb4a4e825
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/tokio-1.37.0/src/runtime/context.rs:176:26
[INFO] [stdout]   35:     0x55815bc945a0 - std::thread::local::LocalKey<T>::try_with::hfb57897efafa1ada
[INFO] [stdout]                                at /rustc/b642703cf9526da1e72c0b6755753b939a9c6b6d/library/std/src/thread/local.rs:286:12
[INFO] [stdout]   36:     0x55815bc92c5a - std::thread::local::LocalKey<T>::with::h943317245f47db8c
[INFO] [stdout]                                at /rustc/b642703cf9526da1e72c0b6755753b939a9c6b6d/library/std/src/thread/local.rs:262:9
[INFO] [stdout]   37:     0x55815bb3e94d - tokio::runtime::context::set_scheduler::hf044fc79721ae8bb
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/tokio-1.37.0/src/runtime/context.rs:176:9
[INFO] [stdout]   38:     0x55815bc6ff10 - tokio::runtime::scheduler::current_thread::CoreGuard::enter::h4f1e663cea134727
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/tokio-1.37.0/src/runtime/scheduler/current_thread/mod.rs:737:27
[INFO] [stdout]   39:     0x55815bc70183 - tokio::runtime::scheduler::current_thread::CoreGuard::block_on::h1765e4a6caf65d57
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/tokio-1.37.0/src/runtime/scheduler/current_thread/mod.rs:646:19
[INFO] [stdout]   40:     0x55815bc6cf33 - tokio::runtime::scheduler::current_thread::CurrentThread::block_on::{{closure}}::h80daa66651dbb412
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/tokio-1.37.0/src/runtime/scheduler/current_thread/mod.rs:175:28
[INFO] [stdout]   41:     0x55815bc370d6 - tokio::runtime::context::runtime::enter_runtime::hcd80078119a75897
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/tokio-1.37.0/src/runtime/context/runtime.rs:65:16
[INFO] [stdout]   42:     0x55815bc6ce91 - tokio::runtime::scheduler::current_thread::CurrentThread::block_on::h0f169576765c3721
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/tokio-1.37.0/src/runtime/scheduler/current_thread/mod.rs:167:9
[INFO] [stdout]   43:     0x55815bc8865d - tokio::runtime::runtime::Runtime::block_on::hfd88ea622e450ffa
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/tokio-1.37.0/src/runtime/runtime.rs:349:47
[INFO] [stdout]   44:     0x55815bcbb8c0 - maelstrom_layer_fs::tests::two_layer_large_bottom_dir::h6b80c322018c084e
[INFO] [stdout]                                at /opt/rustwide/workdir/src/lib.rs:1609:9
[INFO] [stdout]   45:     0x55815bcbb757 - maelstrom_layer_fs::tests::two_layer_large_bottom_dir::{{closure}}::h27ec393bb73f3edc
[INFO] [stdout]                                at /opt/rustwide/workdir/src/lib.rs:1608:42
[INFO] [stdout]   46:     0x55815ba9dda6 - core::ops::function::FnOnce::call_once::h5573b2a39ebdb828
[INFO] [stdout]                                at /rustc/b642703cf9526da1e72c0b6755753b939a9c6b6d/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   47:     0x55815bd4466b - core::ops::function::FnOnce::call_once::h18c6bf92212b87a4
[INFO] [stdout]                                at /rustc/b642703cf9526da1e72c0b6755753b939a9c6b6d/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   48:     0x55815bd4466b - test::__rust_begin_short_backtrace::hdcf0edcfa9080086
[INFO] [stdout]                                at /rustc/b642703cf9526da1e72c0b6755753b939a9c6b6d/library/test/src/lib.rs:625:18
[INFO] [stdout]   49:     0x55815bd43d31 - test::run_test_in_process::{{closure}}::heac2c4eb375d2d10
[INFO] [stdout]                                at /rustc/b642703cf9526da1e72c0b6755753b939a9c6b6d/library/test/src/lib.rs:648:60
[INFO] [stdout]   50:     0x55815bd43d31 - <core::panic::unwind_safe::AssertUnwindSafe<F> as core::ops::function::FnOnce<()>>::call_once::h0289bafc8a1cc004
[INFO] [stdout]                                at /rustc/b642703cf9526da1e72c0b6755753b939a9c6b6d/library/core/src/panic/unwind_safe.rs:272:9
[INFO] [stdout]   51:     0x55815bd43d31 - std::panicking::try::do_call::h5e158f1ad8a5f983
[INFO] [stdout]                                at /rustc/b642703cf9526da1e72c0b6755753b939a9c6b6d/library/std/src/panicking.rs:559:40
[INFO] [stdout]   52:     0x55815bd43d31 - std::panicking::try::hea3411d60321c4de
[INFO] [stdout]                                at /rustc/b642703cf9526da1e72c0b6755753b939a9c6b6d/library/std/src/panicking.rs:523:19
[INFO] [stdout]   53:     0x55815bd43d31 - std::panic::catch_unwind::hafb7bb18bc47bbc7
[INFO] [stdout]                                at /rustc/b642703cf9526da1e72c0b6755753b939a9c6b6d/library/std/src/panic.rs:149:14
[INFO] [stdout]   54:     0x55815bd43d31 - test::run_test_in_process::h74dd138dc7762d99
[INFO] [stdout]                                at /rustc/b642703cf9526da1e72c0b6755753b939a9c6b6d/library/test/src/lib.rs:648:27
[INFO] [stdout]   55:     0x55815bd43d31 - test::run_test::{{closure}}::h6b390822e63606cf
[INFO] [stdout]                                at /rustc/b642703cf9526da1e72c0b6755753b939a9c6b6d/library/test/src/lib.rs:569:43
[INFO] [stdout]   56:     0x55815bd0c704 - test::run_test::{{closure}}::h6e11dba8131d354b
[INFO] [stdout]                                at /rustc/b642703cf9526da1e72c0b6755753b939a9c6b6d/library/test/src/lib.rs:599:41
[INFO] [stdout]   57:     0x55815bd0c704 - std::sys_common::backtrace::__rust_begin_short_backtrace::ha71b3541b59bdbbb
[INFO] [stdout]                                at /rustc/b642703cf9526da1e72c0b6755753b939a9c6b6d/library/std/src/sys_common/backtrace.rs:155:18
[INFO] [stdout]   58:     0x55815bd111d2 - std::thread::Builder::spawn_unchecked_::{{closure}}::{{closure}}::hef92127c5ef9e53c
[INFO] [stdout]                                at /rustc/b642703cf9526da1e72c0b6755753b939a9c6b6d/library/std/src/thread/mod.rs:542:17
[INFO] [stdout]   59:     0x55815bd111d2 - <core::panic::unwind_safe::AssertUnwindSafe<F> as core::ops::function::FnOnce<()>>::call_once::h859c109f9d11c92b
[INFO] [stdout]                                at /rustc/b642703cf9526da1e72c0b6755753b939a9c6b6d/library/core/src/panic/unwind_safe.rs:272:9
[INFO] [stdout]   60:     0x55815bd111d2 - std::panicking::try::do_call::hbf534c458cd858f0
[INFO] [stdout]                                at /rustc/b642703cf9526da1e72c0b6755753b939a9c6b6d/library/std/src/panicking.rs:559:40
[INFO] [stdout]   61:     0x55815bd111d2 - std::panicking::try::h65c18365a7b9ad90
[INFO] [stdout]                                at /rustc/b642703cf9526da1e72c0b6755753b939a9c6b6d/library/std/src/panicking.rs:523:19
[INFO] [stdout]   62:     0x55815bd111d2 - std::panic::catch_unwind::h21b25d4c69478c39
[INFO] [stdout]                                at /rustc/b642703cf9526da1e72c0b6755753b939a9c6b6d/library/std/src/panic.rs:149:14
[INFO] [stdout]   63:     0x55815bd111d2 - std::thread::Builder::spawn_unchecked_::{{closure}}::h23335f620275a9bf
[INFO] [stdout]                                at /rustc/b642703cf9526da1e72c0b6755753b939a9c6b6d/library/std/src/thread/mod.rs:541:30
[INFO] [stdout]   64:     0x55815bd111d2 - core::ops::function::FnOnce::call_once{{vtable.shim}}::hb491dc55513e9b7c
[INFO] [stdout]                                at /rustc/b642703cf9526da1e72c0b6755753b939a9c6b6d/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   65:     0x55815bf321ab - <alloc::boxed::Box<F,A> as core::ops::function::FnOnce<Args>>::call_once::h41b39260afcffdc9
[INFO] [stdout]                                at /rustc/b642703cf9526da1e72c0b6755753b939a9c6b6d/library/alloc/src/boxed.rs:2022:9
[INFO] [stdout]   66:     0x55815bf321ab - <alloc::boxed::Box<F,A> as core::ops::function::FnOnce<Args>>::call_once::h6694c8dc6dd010c4
[INFO] [stdout]                                at /rustc/b642703cf9526da1e72c0b6755753b939a9c6b6d/library/alloc/src/boxed.rs:2022:9
[INFO] [stdout]   67:     0x55815bf321ab - std::sys::pal::unix::thread::Thread::new::thread_start::hf16038e1c8e19c99
[INFO] [stdout]                                at /rustc/b642703cf9526da1e72c0b6755753b939a9c6b6d/library/std/src/sys/pal/unix/thread.rs:108:17
[INFO] [stdout]   68:     0x7f5a291c4ac3 - <unknown>
[INFO] [stdout]   69:     0x7f5a29255a04 - __clone
[INFO] [stdout]   70:                0x0 - <unknown>
[INFO] [stdout] 
[INFO] [stdout] ---- tests::two_layer_empty_bottom stdout ----
[INFO] [stdout] May 25 05:24:00.949 DEBG mounting FUSE file-system in namespace
[INFO] [stdout] thread 'tests::two_layer_empty_bottom' panicked at src/lib.rs:1178:18:
[INFO] [stdout] called `Result::unwrap()` on an `Err` value: ENOSYS: Function not implemented
[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/index.crates.io-6f17d22bba15001f/anyhow-1.0.82/src/backtrace.rs:27:14
[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/b642703cf9526da1e72c0b6755753b939a9c6b6d/library/core/src/result.rs:1964:27
[INFO] [stdout]    2: maelstrom_fuse::fuse_mount_namespace::{{closure}}::{{closure}}
[INFO] [stdout]              at /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/maelstrom-fuse-0.8.0/src/lib.rs:127:27
[INFO] [stdout]    3: <tokio::runtime::blocking::task::BlockingTask<T> as core::future::future::Future>::poll
[INFO] [stdout]              at /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/tokio-1.37.0/src/runtime/blocking/task.rs:42:21
[INFO] [stdout]    4: tokio::runtime::task::core::Core<T,S>::poll::{{closure}}
[INFO] [stdout]              at /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/tokio-1.37.0/src/runtime/task/core.rs:328:17
[INFO] [stdout]    5: tokio::loom::std::unsafe_cell::UnsafeCell<T>::with_mut
[INFO] [stdout]              at /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/tokio-1.37.0/src/loom/std/unsafe_cell.rs:16:9
[INFO] [stdout]    6: tokio::runtime::task::core::Core<T,S>::poll
[INFO] [stdout]              at /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/tokio-1.37.0/src/runtime/task/core.rs:317:13
[INFO] [stdout]    7: tokio::runtime::task::harness::poll_future::{{closure}}
[INFO] [stdout]              at /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/tokio-1.37.0/src/runtime/task/harness.rs:485:19
[INFO] [stdout]    8: <core::panic::unwind_safe::AssertUnwindSafe<F> as core::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]              at /rustc/b642703cf9526da1e72c0b6755753b939a9c6b6d/library/core/src/panic/unwind_safe.rs:272:9
[INFO] [stdout]    9: std::panicking::try::do_call
[INFO] [stdout]              at /rustc/b642703cf9526da1e72c0b6755753b939a9c6b6d/library/std/src/panicking.rs:559:40
[INFO] [stdout]   10: __rust_try
[INFO] [stdout]   11: std::panicking::try
[INFO] [stdout]              at /rustc/b642703cf9526da1e72c0b6755753b939a9c6b6d/library/std/src/panicking.rs:523:19
[INFO] [stdout]   12: std::panic::catch_unwind
[INFO] [stdout]              at /rustc/b642703cf9526da1e72c0b6755753b939a9c6b6d/library/std/src/panic.rs:149:14
[INFO] [stdout]   13: tokio::runtime::task::harness::poll_future
[INFO] [stdout]              at /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/tokio-1.37.0/src/runtime/task/harness.rs:473:18
[INFO] [stdout]   14: tokio::runtime::task::harness::Harness<T,S>::poll_inner
[INFO] [stdout]              at /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/tokio-1.37.0/src/runtime/task/harness.rs:208:27
[INFO] [stdout]   15: tokio::runtime::task::harness::Harness<T,S>::poll
[INFO] [stdout]              at /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/tokio-1.37.0/src/runtime/task/harness.rs:153:15
[INFO] [stdout]   16: tokio::runtime::task::raw::poll
[INFO] [stdout]              at /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/tokio-1.37.0/src/runtime/task/raw.rs:271:5
[INFO] [stdout]   17: tokio::runtime::task::raw::RawTask::poll
[INFO] [stdout]              at /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/tokio-1.37.0/src/runtime/task/raw.rs:201:18
[INFO] [stdout]   18: tokio::runtime::task::UnownedTask<S>::run
[INFO] [stdout]              at /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/tokio-1.37.0/src/runtime/task/mod.rs:464:9
[INFO] [stdout]   19: tokio::runtime::blocking::pool::Task::run
[INFO] [stdout]              at /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/tokio-1.37.0/src/runtime/blocking/pool.rs:159:9
[INFO] [stdout]   20: tokio::runtime::blocking::pool::Inner::run
[INFO] [stdout]              at /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/tokio-1.37.0/src/runtime/blocking/pool.rs:513:17
[INFO] [stdout]   21: tokio::runtime::blocking::pool::Spawner::spawn_thread::{{closure}}
[INFO] [stdout]              at /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/tokio-1.37.0/src/runtime/blocking/pool.rs:471:13
[INFO] [stdout]   22: std::sys_common::backtrace::__rust_begin_short_backtrace
[INFO] [stdout]              at /rustc/b642703cf9526da1e72c0b6755753b939a9c6b6d/library/std/src/sys_common/backtrace.rs:155:18
[INFO] [stdout]   23: std::thread::Builder::spawn_unchecked_::{{closure}}::{{closure}}
[INFO] [stdout]              at /rustc/b642703cf9526da1e72c0b6755753b939a9c6b6d/library/std/src/thread/mod.rs:542:17
[INFO] [stdout]   24: <core::panic::unwind_safe::AssertUnwindSafe<F> as core::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]              at /rustc/b642703cf9526da1e72c0b6755753b939a9c6b6d/library/core/src/panic/unwind_safe.rs:272:9
[INFO] [stdout]   25: std::panicking::try::do_call
[INFO] [stdout]              at /rustc/b642703cf9526da1e72c0b6755753b939a9c6b6d/library/std/src/panicking.rs:559:40
[INFO] [stdout]   26: __rust_try
[INFO] [stdout]   27: std::panicking::try
[INFO] [stdout]              at /rustc/b642703cf9526da1e72c0b6755753b939a9c6b6d/library/std/src/panicking.rs:523:19
[INFO] [stdout]   28: std::panic::catch_unwind
[INFO] [stdout]              at /rustc/b642703cf9526da1e72c0b6755753b939a9c6b6d/library/std/src/panic.rs:149:14
[INFO] [stdout]   29: std::thread::Builder::spawn_unchecked_::{{closure}}
[INFO] [stdout]              at /rustc/b642703cf9526da1e72c0b6755753b939a9c6b6d/library/std/src/thread/mod.rs:541:30
[INFO] [stdout]   30: core::ops::function::FnOnce::call_once{{vtable.shim}}
[INFO] [stdout]              at /rustc/b642703cf9526da1e72c0b6755753b939a9c6b6d/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   31: <alloc::boxed::Box<F,A> as core::ops::function::FnOnce<Args>>::call_once
[INFO] [stdout]              at /rustc/b642703cf9526da1e72c0b6755753b939a9c6b6d/library/alloc/src/boxed.rs:2022:9
[INFO] [stdout]   32: <alloc::boxed::Box<F,A> as core::ops::function::FnOnce<Args>>::call_once
[INFO] [stdout]              at /rustc/b642703cf9526da1e72c0b6755753b939a9c6b6d/library/alloc/src/boxed.rs:2022:9
[INFO] [stdout]   33: std::sys::pal::unix::thread::Thread::new::thread_start
[INFO] [stdout]              at /rustc/b642703cf9526da1e72c0b6755753b939a9c6b6d/library/std/src/sys/pal/unix/thread.rs:108:17
[INFO] [stdout]   34: <unknown>
[INFO] [stdout]   35: __clone
[INFO] [stdout] stack backtrace:
[INFO] [stdout]    0:     0x55815bf2a915 - std::backtrace_rs::backtrace::libunwind::trace::he49dc9a9e3164223
[INFO] [stdout]                                at /rustc/b642703cf9526da1e72c0b6755753b939a9c6b6d/library/std/src/../../backtrace/src/backtrace/libunwind.rs:105:5
[INFO] [stdout]    1:     0x55815bf2a915 - std::backtrace_rs::backtrace::trace_unsynchronized::h3a3e77c68030aa6b
[INFO] [stdout]                                at /rustc/b642703cf9526da1e72c0b6755753b939a9c6b6d/library/std/src/../../backtrace/src/backtrace/mod.rs:66:5
[INFO] [stdout]    2:     0x55815bf2a915 - std::sys_common::backtrace::_print_fmt::h9479ad2f99afd5d4
[INFO] [stdout]                                at /rustc/b642703cf9526da1e72c0b6755753b939a9c6b6d/library/std/src/sys_common/backtrace.rs:68:5
[INFO] [stdout]    3:     0x55815bf2a915 - <std::sys_common::backtrace::_print::DisplayBacktrace as core::fmt::Display>::fmt::hfb01aa1fa3fb1821
[INFO] [stdout]                                at /rustc/b642703cf9526da1e72c0b6755753b939a9c6b6d/library/std/src/sys_common/backtrace.rs:44:22
[INFO] [stdout]    4:     0x55815bf53beb - core::fmt::rt::Argument::fmt::h125e56152abbc1c3
[INFO] [stdout]                                at /rustc/b642703cf9526da1e72c0b6755753b939a9c6b6d/library/core/src/fmt/rt.rs:165:63
[INFO] [stdout]    5:     0x55815bf53beb - core::fmt::write::hb0ab4ff05ccfe741
[INFO] [stdout]                                at /rustc/b642703cf9526da1e72c0b6755753b939a9c6b6d/library/core/src/fmt/mod.rs:1169:21
[INFO] [stdout]    6:     0x55815bf27bcf - std::io::Write::write_fmt::hea6336dbf2fa00b8
[INFO] [stdout]                                at /rustc/b642703cf9526da1e72c0b6755753b939a9c6b6d/library/std/src/io/mod.rs:1835:15
[INFO] [stdout]    7:     0x55815bf2a6ee - std::sys_common::backtrace::_print::h79ca548f3a2adf4b
[INFO] [stdout]                                at /rustc/b642703cf9526da1e72c0b6755753b939a9c6b6d/library/std/src/sys_common/backtrace.rs:47:5
[INFO] [stdout]    8:     0x55815bf2a6ee - std::sys_common::backtrace::print::h9aebf997b2fea2d3
[INFO] [stdout]                                at /rustc/b642703cf9526da1e72c0b6755753b939a9c6b6d/library/std/src/sys_common/backtrace.rs:34:9
[INFO] [stdout]    9:     0x55815bf2c059 - std::panicking::default_hook::{{closure}}::h68a0954af2694526
[INFO] [stdout]   10:     0x55815bf2bdac - std::panicking::default_hook::h5be50cc6849ffb00
[INFO] [stdout]                                at /rustc/b642703cf9526da1e72c0b6755753b939a9c6b6d/library/std/src/panicking.rs:295:9
[INFO] [stdout]   11:     0x55815bd3fd4f - <alloc::boxed::Box<F,A> as core::ops::function::Fn<Args>>::call::hd874405dcbd1d3ed
[INFO] [stdout]                                at /rustc/b642703cf9526da1e72c0b6755753b939a9c6b6d/library/alloc/src/boxed.rs:2036:9
[INFO] [stdout]   12:     0x55815bd3fd4f - test::test_main::{{closure}}::h4f26a9df34a84b94
[INFO] [stdout]                                at /rustc/b642703cf9526da1e72c0b6755753b939a9c6b6d/library/test/src/lib.rs:137:21
[INFO] [stdout]   13:     0x55815bf2c65b - <alloc::boxed::Box<F,A> as core::ops::function::Fn<Args>>::call::h00e96d9c62aa9a12
[INFO] [stdout]                                at /rustc/b642703cf9526da1e72c0b6755753b939a9c6b6d/library/alloc/src/boxed.rs:2036:9
[INFO] [stdout]   14:     0x55815bf2c65b - std::panicking::rust_panic_with_hook::h3c0df6036729334c
[INFO] [stdout]                                at /rustc/b642703cf9526da1e72c0b6755753b939a9c6b6d/library/std/src/panicking.rs:799:13
[INFO] [stdout]   15:     0x55815bf2c3d4 - std::panicking::begin_panic_handler::{{closure}}::ha3a21e93c4cfd807
[INFO] [stdout]                                at /rustc/b642703cf9526da1e72c0b6755753b939a9c6b6d/library/std/src/panicking.rs:664:13
[INFO] [stdout]   16:     0x55815bf2add9 - std::sys_common::backtrace::__rust_end_short_backtrace::h19508a8f8ae71dc9
[INFO] [stdout]                                at /rustc/b642703cf9526da1e72c0b6755753b939a9c6b6d/library/std/src/sys_common/backtrace.rs:171:18
[INFO] [stdout]   17:     0x55815bf2c107 - rust_begin_unwind
[INFO] [stdout]                                at /rustc/b642703cf9526da1e72c0b6755753b939a9c6b6d/library/std/src/panicking.rs:652:5
[INFO] [stdout]   18:     0x55815ba9b2b3 - core::panicking::panic_fmt::h2ba8af99174d83ea
[INFO] [stdout]                                at /rustc/b642703cf9526da1e72c0b6755753b939a9c6b6d/library/core/src/panicking.rs:72:14
[INFO] [stdout]   19:     0x55815ba9b806 - core::result::unwrap_failed::h52f3bbb78b59f71d
[INFO] [stdout]                                at /rustc/b642703cf9526da1e72c0b6755753b939a9c6b6d/library/core/src/result.rs:1654:5
[INFO] [stdout]   20:     0x55815bca635a - core::result::Result<T,E>::unwrap::h12d33d75ca13dd03
[INFO] [stdout]                                at /rustc/b642703cf9526da1e72c0b6755753b939a9c6b6d/library/core/src/result.rs:1077:23
[INFO] [stdout]   21:     0x55815bca635a - maelstrom_layer_fs::tests::Fixture::mount::{{closure}}::h76f7f34a1afa1da4
[INFO] [stdout]                                at /opt/rustwide/workdir/src/lib.rs:1175:13
[INFO] [stdout]   22:     0x55815bcadf73 - maelstrom_layer_fs::tests::two_layer_test::{{closure}}::hf53889b09a73f9cb
[INFO] [stdout]                                at /opt/rustwide/workdir/src/lib.rs:1537:48
[INFO] [stdout]   23:     0x55815bcba9e3 - maelstrom_layer_fs::tests::two_layer_empty_bottom::{{closure}}::he0d4ca5406e346fc
[INFO] [stdout]                                at /opt/rustwide/workdir/src/lib.rs:1589:10
[INFO] [stdout]   24:     0x55815bc89d52 - <core::pin::Pin<P> as core::future::future::Future>::poll::h6a85ffe21b2c4c95
[INFO] [stdout]                                at /rustc/b642703cf9526da1e72c0b6755753b939a9c6b6d/library/core/src/future/future.rs:123:9
[INFO] [stdout]   25:     0x55815bc89ccd - <core::pin::Pin<P> as core::future::future::Future>::poll::h3a17e493fe70644b
[INFO] [stdout]                                at /rustc/b642703cf9526da1e72c0b6755753b939a9c6b6d/library/core/src/future/future.rs:123:9
[INFO] [stdout]   26:     0x55815bc70c2f - tokio::runtime::scheduler::current_thread::CoreGuard::block_on::{{closure}}::{{closure}}::{{closure}}::hbcae7a313f3c6152
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/tokio-1.37.0/src/runtime/scheduler/current_thread/mod.rs:659:57
[INFO] [stdout]   27:     0x55815bc70b65 - tokio::runtime::coop::with_budget::h5ac2764e228d0de6
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/tokio-1.37.0/src/runtime/coop.rs:107:5
[INFO] [stdout]   28:     0x55815bc70b65 - tokio::runtime::coop::budget::hc658c8e4cb0a0c8d
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/tokio-1.37.0/src/runtime/coop.rs:73:5
[INFO] [stdout]   29:     0x55815bc70b65 - tokio::runtime::scheduler::current_thread::CoreGuard::block_on::{{closure}}::{{closure}}::h12e10693abf9f854
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/tokio-1.37.0/src/runtime/scheduler/current_thread/mod.rs:659:25
[INFO] [stdout]   30:     0x55815bc6f650 - tokio::runtime::scheduler::current_thread::Context::enter::h1a25ea7e5529a0a0
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/tokio-1.37.0/src/runtime/scheduler/current_thread/mod.rs:404:19
[INFO] [stdout]   31:     0x55815bc703eb - tokio::runtime::scheduler::current_thread::CoreGuard::block_on::{{closure}}::h938371df17317d12
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/tokio-1.37.0/src/runtime/scheduler/current_thread/mod.rs:658:36
[INFO] [stdout]   32:     0x55815bc70164 - tokio::runtime::scheduler::current_thread::CoreGuard::enter::{{closure}}::h23361fef9920aca5
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/tokio-1.37.0/src/runtime/scheduler/current_thread/mod.rs:737:68
[INFO] [stdout]   33:     0x55815bc351fb - tokio::runtime::context::scoped::Scoped<T>::set::hfcf659facfad285b
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/tokio-1.37.0/src/runtime/context/scoped.rs:40:9
[INFO] [stdout]   34:     0x55815bb3e999 - tokio::runtime::context::set_scheduler::{{closure}}::h2fae601fb4a4e825
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/tokio-1.37.0/src/runtime/context.rs:176:26
[INFO] [stdout]   35:     0x55815bc945a0 - std::thread::local::LocalKey<T>::try_with::hfb57897efafa1ada
[INFO] [stdout]                                at /rustc/b642703cf9526da1e72c0b6755753b939a9c6b6d/library/std/src/thread/local.rs:286:12
[INFO] [stdout]   36:     0x55815bc92c5a - std::thread::local::LocalKey<T>::with::h943317245f47db8c
[INFO] [stdout]                                at /rustc/b642703cf9526da1e72c0b6755753b939a9c6b6d/library/std/src/thread/local.rs:262:9
[INFO] [stdout]   37:     0x55815bb3e94d - tokio::runtime::context::set_scheduler::hf044fc79721ae8bb
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/tokio-1.37.0/src/runtime/context.rs:176:9
[INFO] [stdout]   38:     0x55815bc6ff10 - tokio::runtime::scheduler::current_thread::CoreGuard::enter::h4f1e663cea134727
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/tokio-1.37.0/src/runtime/scheduler/current_thread/mod.rs:737:27
[INFO] [stdout]   39:     0x55815bc70183 - tokio::runtime::scheduler::current_thread::CoreGuard::block_on::h1765e4a6caf65d57
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/tokio-1.37.0/src/runtime/scheduler/current_thread/mod.rs:646:19
[INFO] [stdout]   40:     0x55815bc6cf33 - tokio::runtime::scheduler::current_thread::CurrentThread::block_on::{{closure}}::h80daa66651dbb412
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/tokio-1.37.0/src/runtime/scheduler/current_thread/mod.rs:175:28
[INFO] [stdout]   41:     0x55815bc370d6 - tokio::runtime::context::runtime::enter_runtime::hcd80078119a75897
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/tokio-1.37.0/src/runtime/context/runtime.rs:65:16
[INFO] [stdout]   42:     0x55815bc6ce91 - tokio::runtime::scheduler::current_thread::CurrentThread::block_on::h0f169576765c3721
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/tokio-1.37.0/src/runtime/scheduler/current_thread/mod.rs:167:9
[INFO] [stdout]   43:     0x55815bc8865d - tokio::runtime::runtime::Runtime::block_on::hfd88ea622e450ffa
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/tokio-1.37.0/src/runtime/runtime.rs:349:47
[INFO] [stdout]   44:     0x55815bcb9ee0 - maelstrom_layer_fs::tests::two_layer_empty_bottom::hcdd4a29e78d5a9e7
[INFO] [stdout]                                at /opt/rustwide/workdir/src/lib.rs:1579:9
[INFO] [stdout]   45:     0x55815bcb9d77 - maelstrom_layer_fs::tests::two_layer_empty_bottom::{{closure}}::hb038aa9b24c9f994
[INFO] [stdout]                                at /opt/rustwide/workdir/src/lib.rs:1578:38
[INFO] [stdout]   46:     0x55815ba9f2d6 - core::ops::function::FnOnce::call_once::ha683bdc37045c4cc
[INFO] [stdout]                                at /rustc/b642703cf9526da1e72c0b6755753b939a9c6b6d/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   47:     0x55815bd4466b - core::ops::function::FnOnce::call_once::h18c6bf92212b87a4
[INFO] [stdout]                                at /rustc/b642703cf9526da1e72c0b6755753b939a9c6b6d/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   48:     0x55815bd4466b - test::__rust_begin_short_backtrace::hdcf0edcfa9080086
[INFO] [stdout]                                at /rustc/b642703cf9526da1e72c0b6755753b939a9c6b6d/library/test/src/lib.rs:625:18
[INFO] [stdout]   49:     0x55815bd43d31 - test::run_test_in_process::{{closure}}::heac2c4eb375d2d10
[INFO] [stdout]                                at /rustc/b642703cf9526da1e72c0b6755753b939a9c6b6d/library/test/src/lib.rs:648:60
[INFO] [stdout]   50:     0x55815bd43d31 - <core::panic::unwind_safe::AssertUnwindSafe<F> as core::ops::function::FnOnce<()>>::call_once::h0289bafc8a1cc004
[INFO] [stdout]                                at /rustc/b642703cf9526da1e72c0b6755753b939a9c6b6d/library/core/src/panic/unwind_safe.rs:272:9
[INFO] [stdout]   51:     0x55815bd43d31 - std::panicking::try::do_call::h5e158f1ad8a5f983
[INFO] [stdout]                                at /rustc/b642703cf9526da1e72c0b6755753b939a9c6b6d/library/std/src/panicking.rs:559:40
[INFO] [stdout]   52:     0x55815bd43d31 - std::panicking::try::hea3411d60321c4de
[INFO] [stdout]                                at /rustc/b642703cf9526da1e72c0b6755753b939a9c6b6d/library/std/src/panicking.rs:523:19
[INFO] [stdout]   53:     0x55815bd43d31 - std::panic::catch_unwind::hafb7bb18bc47bbc7
[INFO] [stdout]                                at /rustc/b642703cf9526da1e72c0b6755753b939a9c6b6d/library/std/src/panic.rs:149:14
[INFO] [stdout]   54:     0x55815bd43d31 - test::run_test_in_process::h74dd138dc7762d99
[INFO] [stdout]                                at /rustc/b642703cf9526da1e72c0b6755753b939a9c6b6d/library/test/src/lib.rs:648:27
[INFO] [stdout]   55:     0x55815bd43d31 - test::run_test::{{closure}}::h6b390822e63606cf
[INFO] [stdout]                                at /rustc/b642703cf9526da1e72c0b6755753b939a9c6b6d/library/test/src/lib.rs:569:43
[INFO] [stdout]   56:     0x55815bd0c704 - test::run_test::{{closure}}::h6e11dba8131d354b
[INFO] [stdout]                                at /rustc/b642703cf9526da1e72c0b6755753b939a9c6b6d/library/test/src/lib.rs:599:41
[INFO] [stdout]   57:     0x55815bd0c704 - std::sys_common::backtrace::__rust_begin_short_backtrace::ha71b3541b59bdbbb
[INFO] [stdout]                                at /rustc/b642703cf9526da1e72c0b6755753b939a9c6b6d/library/std/src/sys_common/backtrace.rs:155:18
[INFO] [stdout]   58:     0x55815bd111d2 - std::thread::Builder::spawn_unchecked_::{{closure}}::{{closure}}::hef92127c5ef9e53c
[INFO] [stdout]                                at /rustc/b642703cf9526da1e72c0b6755753b939a9c6b6d/library/std/src/thread/mod.rs:542:17
[INFO] [stdout]   59:     0x55815bd111d2 - <core::panic::unwind_safe::AssertUnwindSafe<F> as core::ops::function::FnOnce<()>>::call_once::h859c109f9d11c92b
[INFO] [stdout]                                at /rustc/b642703cf9526da1e72c0b6755753b939a9c6b6d/library/core/src/panic/unwind_safe.rs:272:9
[INFO] [stdout]   60:     0x55815bd111d2 - std::panicking::try::do_call::hbf534c458cd858f0
[INFO] [stdout]                                at /rustc/b642703cf9526da1e72c0b6755753b939a9c6b6d/library/std/src/panicking.rs:559:40
[INFO] [stdout]   61:     0x55815bd111d2 - std::panicking::try::h65c18365a7b9ad90
[INFO] [stdout]                                at /rustc/b642703cf9526da1e72c0b6755753b939a9c6b6d/library/std/src/panicking.rs:523:19
[INFO] [stdout]   62:     0x55815bd111d2 - std::panic::catch_unwind::h21b25d4c69478c39
[INFO] [stdout]                                at /rustc/b642703cf9526da1e72c0b6755753b939a9c6b6d/library/std/src/panic.rs:149:14
[INFO] [stdout]   63:     0x55815bd111d2 - std::thread::Builder::spawn_unchecked_::{{closure}}::h23335f620275a9bf
[INFO] [stdout]                                at /rustc/b642703cf9526da1e72c0b6755753b939a9c6b6d/library/std/src/thread/mod.rs:541:30
[INFO] [stdout]   64:     0x55815bd111d2 - core::ops::function::FnOnce::call_once{{vtable.shim}}::hb491dc55513e9b7c
[INFO] [stdout]                                at /rustc/b642703cf9526da1e72c0b6755753b939a9c6b6d/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   65:     0x55815bf321ab - <alloc::boxed::Box<F,A> as core::ops::function::FnOnce<Args>>::call_once::h41b39260afcffdc9
[INFO] [stdout]                                at /rustc/b642703cf9526da1e72c0b6755753b939a9c6b6d/library/alloc/src/boxed.rs:2022:9
[INFO] [stdout]   66:     0x55815bf321ab - <alloc::boxed::Box<F,A> as core::ops::function::FnOnce<Args>>::call_once::h6694c8dc6dd010c4
[INFO] [stdout]                                at /rustc/b642703cf9526da1e72c0b6755753b939a9c6b6d/library/alloc/src/boxed.rs:2022:9
[INFO] [stdout]   67:     0x55815bf321ab - std::sys::pal::unix::thread::Thread::new::thread_start::hf16038e1c8e19c99
[INFO] [stdout]                                at /rustc/b642703cf9526da1e72c0b6755753b939a9c6b6d/library/std/src/sys/pal/unix/thread.rs:108:17
[INFO] [stdout]   68:     0x7f5a291c4ac3 - <unknown>
[INFO] [stdout]   69:     0x7f5a29255a04 - __clone
[INFO] [stdout]   70:                0x0 - <unknown>
[INFO] [stdout] 
[INFO] [stdout] ---- tests::layer_from_tar_with_whiteout_and_opaque_dir stdout ----
[INFO] [stdout] May 25 05:24:00.950 DEBG mounting FUSE file-system in namespace
[INFO] [stdout] thread 'tests::layer_from_tar_with_whiteout_and_opaque_dir' panicked at src/lib.rs:1178:18:
[INFO] [stdout] called `Result::unwrap()` on an `Err` value: ENOSYS: Function not implemented
[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/index.crates.io-6f17d22bba15001f/anyhow-1.0.82/src/backtrace.rs:27:14
[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/b642703cf9526da1e72c0b6755753b939a9c6b6d/library/core/src/result.rs:1964:27
[INFO] [stdout]    2: maelstrom_fuse::fuse_mount_namespace::{{closure}}::{{closure}}
[INFO] [stdout]              at /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/maelstrom-fuse-0.8.0/src/lib.rs:127:27
[INFO] [stdout]    3: <tokio::runtime::blocking::task::BlockingTask<T> as core::future::future::Future>::poll
[INFO] [stdout]              at /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/tokio-1.37.0/src/runtime/blocking/task.rs:42:21
[INFO] [stdout]    4: tokio::runtime::task::core::Core<T,S>::poll::{{closure}}
[INFO] [stdout]              at /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/tokio-1.37.0/src/runtime/task/core.rs:328:17
[INFO] [stdout]    5: tokio::loom::std::unsafe_cell::UnsafeCell<T>::with_mut
[INFO] [stdout]              at /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/tokio-1.37.0/src/loom/std/unsafe_cell.rs:16:9
[INFO] [stdout]    6: tokio::runtime::task::core::Core<T,S>::poll
[INFO] [stdout]              at /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/tokio-1.37.0/src/runtime/task/core.rs:317:13
[INFO] [stdout]    7: tokio::runtime::task::harness::poll_future::{{closure}}
[INFO] [stdout]              at /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/tokio-1.37.0/src/runtime/task/harness.rs:485:19
[INFO] [stdout]    8: <core::panic::unwind_safe::AssertUnwindSafe<F> as core::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]              at /rustc/b642703cf9526da1e72c0b6755753b939a9c6b6d/library/core/src/panic/unwind_safe.rs:272:9
[INFO] [stdout]    9: std::panicking::try::do_call
[INFO] [stdout]              at /rustc/b642703cf9526da1e72c0b6755753b939a9c6b6d/library/std/src/panicking.rs:559:40
[INFO] [stdout]   10: __rust_try
[INFO] [stdout]   11: std::panicking::try
[INFO] [stdout]              at /rustc/b642703cf9526da1e72c0b6755753b939a9c6b6d/library/std/src/panicking.rs:523:19
[INFO] [stdout]   12: std::panic::catch_unwind
[INFO] [stdout]              at /rustc/b642703cf9526da1e72c0b6755753b939a9c6b6d/library/std/src/panic.rs:149:14
[INFO] [stdout]   13: tokio::runtime::task::harness::poll_future
[INFO] [stdout]              at /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/tokio-1.37.0/src/runtime/task/harness.rs:473:18
[INFO] [stdout]   14: tokio::runtime::task::harness::Harness<T,S>::poll_inner
[INFO] [stdout]              at /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/tokio-1.37.0/src/runtime/task/harness.rs:208:27
[INFO] [stdout]   15: tokio::runtime::task::harness::Harness<T,S>::poll
[INFO] [stdout]              at /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/tokio-1.37.0/src/runtime/task/harness.rs:153:15
[INFO] [stdout]   16: tokio::runtime::task::raw::poll
[INFO] [stdout]              at /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/tokio-1.37.0/src/runtime/task/raw.rs:271:5
[INFO] [stdout]   17: tokio::runtime::task::raw::RawTask::poll
[INFO] [stdout]              at /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/tokio-1.37.0/src/runtime/task/raw.rs:201:18
[INFO] [stdout]   18: tokio::runtime::task::UnownedTask<S>::run
[INFO] [stdout]              at /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/tokio-1.37.0/src/runtime/task/mod.rs:464:9
[INFO] [stdout]   19: tokio::runtime::blocking::pool::Task::run
[INFO] [stdout]              at /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/tokio-1.37.0/src/runtime/blocking/pool.rs:159:9
[INFO] [stdout]   20: tokio::runtime::blocking::pool::Inner::run
[INFO] [stdout]              at /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/tokio-1.37.0/src/runtime/blocking/pool.rs:513:17
[INFO] [stdout]   21: tokio::runtime::blocking::pool::Spawner::spawn_thread::{{closure}}
[INFO] [stdout]              at /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/tokio-1.37.0/src/runtime/blocking/pool.rs:471:13
[INFO] [stdout]   22: std::sys_common::backtrace::__rust_begin_short_backtrace
[INFO] [stdout]              at /rustc/b642703cf9526da1e72c0b6755753b939a9c6b6d/library/std/src/sys_common/backtrace.rs:155:18
[INFO] [stdout]   23: std::thread::Builder::spawn_unchecked_::{{closure}}::{{closure}}
[INFO] [stdout]              at /rustc/b642703cf9526da1e72c0b6755753b939a9c6b6d/library/std/src/thread/mod.rs:542:17
[INFO] [stdout]   24: <core::panic::unwind_safe::AssertUnwindSafe<F> as core::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]              at /rustc/b642703cf9526da1e72c0b6755753b939a9c6b6d/library/core/src/panic/unwind_safe.rs:272:9
[INFO] [stdout]   25: std::panicking::try::do_call
[INFO] [stdout]              at /rustc/b642703cf9526da1e72c0b6755753b939a9c6b6d/library/std/src/panicking.rs:559:40
[INFO] [stdout]   26: __rust_try
[INFO] [stdout]   27: std::panicking::try
[INFO] [stdout]              at /rustc/b642703cf9526da1e72c0b6755753b939a9c6b6d/library/std/src/panicking.rs:523:19
[INFO] [stdout]   28: std::panic::catch_unwind
[INFO] [stdout]              at /rustc/b642703cf9526da1e72c0b6755753b939a9c6b6d/library/std/src/panic.rs:149:14
[INFO] [stdout]   29: std::thread::Builder::spawn_unchecked_::{{closure}}
[INFO] [stdout]              at /rustc/b642703cf9526da1e72c0b6755753b939a9c6b6d/library/std/src/thread/mod.rs:541:30
[INFO] [stdout]   30: core::ops::function::FnOnce::call_once{{vtable.shim}}
[INFO] [stdout]              at /rustc/b642703cf9526da1e72c0b6755753b939a9c6b6d/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   31: <alloc::boxed::Box<F,A> as core::ops::function::FnOnce<Args>>::call_once
[INFO] [stdout]              at /rustc/b642703cf9526da1e72c0b6755753b939a9c6b6d/library/alloc/src/boxed.rs:2022:9
[INFO] [stdout]   32: <alloc::boxed::Box<F,A> as core::ops::function::FnOnce<Args>>::call_once
[INFO] [stdout]              at /rustc/b642703cf9526da1e72c0b6755753b939a9c6b6d/library/alloc/src/boxed.rs:2022:9
[INFO] [stdout]   33: std::sys::pal::unix::thread::Thread::new::thread_start
[INFO] [stdout]              at /rustc/b642703cf9526da1e72c0b6755753b939a9c6b6d/library/std/src/sys/pal/unix/thread.rs:108:17
[INFO] [stdout]   34: <unknown>
[INFO] [stdout]   35: __clone
[INFO] [stdout] stack backtrace:
[INFO] [stdout]    0:     0x55815bf2a915 - std::backtrace_rs::backtrace::libunwind::trace::he49dc9a9e3164223
[INFO] [stdout]                                at /rustc/b642703cf9526da1e72c0b6755753b939a9c6b6d/library/std/src/../../backtrace/src/backtrace/libunwind.rs:105:5
[INFO] [stdout]    1:     0x55815bf2a915 - std::backtrace_rs::backtrace::trace_unsynchronized::h3a3e77c68030aa6b
[INFO] [stdout]                                at /rustc/b642703cf9526da1e72c0b6755753b939a9c6b6d/library/std/src/../../backtrace/src/backtrace/mod.rs:66:5
[INFO] [stdout]    2:     0x55815bf2a915 - std::sys_common::backtrace::_print_fmt::h9479ad2f99afd5d4
[INFO] [stdout]                                at /rustc/b642703cf9526da1e72c0b6755753b939a9c6b6d/library/std/src/sys_common/backtrace.rs:68:5
[INFO] [stdout]    3:     0x55815bf2a915 - <std::sys_common::backtrace::_print::DisplayBacktrace as core::fmt::Display>::fmt::hfb01aa1fa3fb1821
[INFO] [stdout]                                at /rustc/b642703cf9526da1e72c0b6755753b939a9c6b6d/library/std/src/sys_common/backtrace.rs:44:22
[INFO] [stdout]    4:     0x55815bf53beb - core::fmt::rt::Argument::fmt::h125e56152abbc1c3
[INFO] [stdout]                                at /rustc/b642703cf9526da1e72c0b6755753b939a9c6b6d/library/core/src/fmt/rt.rs:165:63
[INFO] [stdout]    5:     0x55815bf53beb - core::fmt::write::hb0ab4ff05ccfe741
[INFO] [stdout]                                at /rustc/b642703cf9526da1e72c0b6755753b939a9c6b6d/library/core/src/fmt/mod.rs:1169:21
[INFO] [stdout]    6:     0x55815bf27bcf - std::io::Write::write_fmt::hea6336dbf2fa00b8
[INFO] [stdout]                                at /rustc/b642703cf9526da1e72c0b6755753b939a9c6b6d/library/std/src/io/mod.rs:1835:15
[INFO] [stdout]    7:     0x55815bf2a6ee - std::sys_common::backtrace::_print::h79ca548f3a2adf4b
[INFO] [stdout]                                at /rustc/b642703cf9526da1e72c0b6755753b939a9c6b6d/library/std/src/sys_common/backtrace.rs:47:5
[INFO] [stdout]    8:     0x55815bf2a6ee - std::sys_common::backtrace::print::h9aebf997b2fea2d3
[INFO] [stdout]                                at /rustc/b642703cf9526da1e72c0b6755753b939a9c6b6d/library/std/src/sys_common/backtrace.rs:34:9
[INFO] [stdout]    9:     0x55815bf2c059 - std::panicking::default_hook::{{closure}}::h68a0954af2694526
[INFO] [stdout]   10:     0x55815bf2bdac - std::panicking::default_hook::h5be50cc6849ffb00
[INFO] [stdout]                                at /rustc/b642703cf9526da1e72c0b6755753b939a9c6b6d/library/std/src/panicking.rs:295:9
[INFO] [stdout]   11:     0x55815bd3fd4f - <alloc::boxed::Box<F,A> as core::ops::function::Fn<Args>>::call::hd874405dcbd1d3ed
[INFO] [stdout]                                at /rustc/b642703cf9526da1e72c0b6755753b939a9c6b6d/library/alloc/src/boxed.rs:2036:9
[INFO] [stdout]   12:     0x55815bd3fd4f - test::test_main::{{closure}}::h4f26a9df34a84b94
[INFO] [stdout]                                at /rustc/b642703cf9526da1e72c0b6755753b939a9c6b6d/library/test/src/lib.rs:137:21
[INFO] [stdout]   13:     0x55815bf2c65b - <alloc::boxed::Box<F,A> as core::ops::function::Fn<Args>>::call::h00e96d9c62aa9a12
[INFO] [stdout]                                at /rustc/b642703cf9526da1e72c0b6755753b939a9c6b6d/library/alloc/src/boxed.rs:2036:9
[INFO] [stdout]   14:     0x55815bf2c65b - std::panicking::rust_panic_with_hook::h3c0df6036729334c
[INFO] [stdout]                                at /rustc/b642703cf9526da1e72c0b6755753b939a9c6b6d/library/std/src/panicking.rs:799:13
[INFO] [stdout]   15:     0x55815bf2c3d4 - std::panicking::begin_panic_handler::{{closure}}::ha3a21e93c4cfd807
[INFO] [stdout]                                at /rustc/b642703cf9526da1e72c0b6755753b939a9c6b6d/library/std/src/panicking.rs:664:13
[INFO] [stdout]   16:     0x55815bf2add9 - std::sys_common::backtrace::__rust_end_short_backtrace::h19508a8f8ae71dc9
[INFO] [stdout]                                at /rustc/b642703cf9526da1e72c0b6755753b939a9c6b6d/library/std/src/sys_common/backtrace.rs:171:18
[INFO] [stdout]   17:     0x55815bf2c107 - rust_begin_unwind
[INFO] [stdout]                                at /rustc/b642703cf9526da1e72c0b6755753b939a9c6b6d/library/std/src/panicking.rs:652:5
[INFO] [stdout]   18:     0x55815ba9b2b3 - core::panicking::panic_fmt::h2ba8af99174d83ea
[INFO] [stdout]                                at /rustc/b642703cf9526da1e72c0b6755753b939a9c6b6d/library/core/src/panicking.rs:72:14
[INFO] [stdout]   19:     0x55815ba9b806 - core::result::unwrap_failed::h52f3bbb78b59f71d
[INFO] [stdout]                                at /rustc/b642703cf9526da1e72c0b6755753b939a9c6b6d/library/core/src/result.rs:1654:5
[INFO] [stdout]   20:     0x55815bca635a - core::result::Result<T,E>::unwrap::h12d33d75ca13dd03
[INFO] [stdout]                                at /rustc/b642703cf9526da1e72c0b6755753b939a9c6b6d/library/core/src/result.rs:1077:23
[INFO] [stdout]   21:     0x55815bca635a - maelstrom_layer_fs::tests::Fixture::mount::{{closure}}::h76f7f34a1afa1da4
[INFO] [stdout]                                at /opt/rustwide/workdir/src/lib.rs:1175:13
[INFO] [stdout]   22:     0x55815bcab473 - maelstrom_layer_fs::tests::layer_from_tar_or_manifest_with_whiteout_and_opaque_dir::{{closure}}::h4fb1c0a4f5539977
[INFO] [stdout]                                at /opt/rustwide/workdir/src/lib.rs:1495:48
[INFO] [stdout]   23:     0x55815bcb92b3 - maelstrom_layer_fs::tests::layer_from_tar_with_whiteout_and_opaque_dir::{{closure}}::hd10c21afa778bc2d
[INFO] [stdout]                                at /opt/rustwide/workdir/src/lib.rs:1513:10
[INFO] [stdout]   24:     0x55815bc89d52 - <core::pin::Pin<P> as core::future::future::Future>::poll::h6a85ffe21b2c4c95
[INFO] [stdout]                                at /rustc/b642703cf9526da1e72c0b6755753b939a9c6b6d/library/core/src/future/future.rs:123:9
[INFO] [stdout]   25:     0x55815bc89ccd - <core::pin::Pin<P> as core::future::future::Future>::poll::h3a17e493fe70644b
[INFO] [stdout]                                at /rustc/b642703cf9526da1e72c0b6755753b939a9c6b6d/library/core/src/future/future.rs:123:9
[INFO] [stdout]   26:     0x55815bc70c2f - tokio::runtime::scheduler::current_thread::CoreGuard::block_on::{{closure}}::{{closure}}::{{closure}}::hbcae7a313f3c6152
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/tokio-1.37.0/src/runtime/scheduler/current_thread/mod.rs:659:57
[INFO] [stdout]   27:     0x55815bc70b65 - tokio::runtime::coop::with_budget::h5ac2764e228d0de6
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/tokio-1.37.0/src/runtime/coop.rs:107:5
[INFO] [stdout]   28:     0x55815bc70b65 - tokio::runtime::coop::budget::hc658c8e4cb0a0c8d
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/tokio-1.37.0/src/runtime/coop.rs:73:5
[INFO] [stdout]   29:     0x55815bc70b65 - tokio::runtime::scheduler::current_thread::CoreGuard::block_on::{{closure}}::{{closure}}::h12e10693abf9f854
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/tokio-1.37.0/src/runtime/scheduler/current_thread/mod.rs:659:25
[INFO] [stdout]   30:     0x55815bc6f650 - tokio::runtime::scheduler::current_thread::Context::enter::h1a25ea7e5529a0a0
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/tokio-1.37.0/src/runtime/scheduler/current_thread/mod.rs:404:19
[INFO] [stdout]   31:     0x55815bc703eb - tokio::runtime::scheduler::current_thread::CoreGuard::block_on::{{closure}}::h938371df17317d12
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/tokio-1.37.0/src/runtime/scheduler/current_thread/mod.rs:658:36
[INFO] [stdout]   32:     0x55815bc70164 - tokio::runtime::scheduler::current_thread::CoreGuard::enter::{{closure}}::h23361fef9920aca5
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/tokio-1.37.0/src/runtime/scheduler/current_thread/mod.rs:737:68
[INFO] [stdout]   33:     0x55815bc351fb - tokio::runtime::context::scoped::Scoped<T>::set::hfcf659facfad285b
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/tokio-1.37.0/src/runtime/context/scoped.rs:40:9
[INFO] [stdout]   34:     0x55815bb3e999 - tokio::runtime::context::set_scheduler::{{closure}}::h2fae601fb4a4e825
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/tokio-1.37.0/src/runtime/context.rs:176:26
[INFO] [stdout]   35:     0x55815bc945a0 - std::thread::local::LocalKey<T>::try_with::hfb57897efafa1ada
[INFO] [stdout]                                at /rustc/b642703cf9526da1e72c0b6755753b939a9c6b6d/library/std/src/thread/local.rs:286:12
[INFO] [stdout]   36:     0x55815bc92c5a - std::thread::local::LocalKey<T>::with::h943317245f47db8c
[INFO] [stdout]                                at /rustc/b642703cf9526da1e72c0b6755753b939a9c6b6d/library/std/src/thread/local.rs:262:9
[INFO] [stdout]   37:     0x55815bb3e94d - tokio::runtime::context::set_scheduler::hf044fc79721ae8bb
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/tokio-1.37.0/src/runtime/context.rs:176:9
[INFO] [stdout]   38:     0x55815bc6ff10 - tokio::runtime::scheduler::current_thread::CoreGuard::enter::h4f1e663cea134727
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/tokio-1.37.0/src/runtime/scheduler/current_thread/mod.rs:737:27
[INFO] [stdout]   39:     0x55815bc70183 - tokio::runtime::scheduler::current_thread::CoreGuard::block_on::h1765e4a6caf65d57
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/tokio-1.37.0/src/runtime/scheduler/current_thread/mod.rs:646:19
[INFO] [stdout]   40:     0x55815bc6cf33 - tokio::runtime::scheduler::current_thread::CurrentThread::block_on::{{closure}}::h80daa66651dbb412
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/tokio-1.37.0/src/runtime/scheduler/current_thread/mod.rs:175:28
[INFO] [stdout]   41:     0x55815bc370d6 - tokio::runtime::context::runtime::enter_runtime::hcd80078119a75897
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/tokio-1.37.0/src/runtime/context/runtime.rs:65:16
[INFO] [stdout]   42:     0x55815bc6ce91 - tokio::runtime::scheduler::current_thread::CurrentThread::block_on::h0f169576765c3721
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/tokio-1.37.0/src/runtime/scheduler/current_thread/mod.rs:167:9
[INFO] [stdout]   43:     0x55815bc8865d - tokio::runtime::runtime::Runtime::block_on::hfd88ea622e450ffa
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/tokio-1.37.0/src/runtime/runtime.rs:349:47
[INFO] [stdout]   44:     0x55815bcb90e0 - maelstrom_layer_fs::tests::layer_from_tar_with_whiteout_and_opaque_dir::h503b570204e0385b
[INFO] [stdout]                                at /opt/rustwide/workdir/src/lib.rs:1510:9
[INFO] [stdout]   45:     0x55815bcb8f77 - maelstrom_layer_fs::tests::layer_from_tar_with_whiteout_and_opaque_dir::{{closure}}::h6caec2876c47f8cf
[INFO] [stdout]                                at /opt/rustwide/workdir/src/lib.rs:1509:59
[INFO] [stdout]   46:     0x55815ba9eac6 - core::ops::function::FnOnce::call_once::h8ce70093c5965ce8
[INFO] [stdout]                                at /rustc/b642703cf9526da1e72c0b6755753b939a9c6b6d/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   47:     0x55815bd4466b - core::ops::function::FnOnce::call_once::h18c6bf92212b87a4
[INFO] [stdout]                                at /rustc/b642703cf9526da1e72c0b6755753b939a9c6b6d/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   48:     0x55815bd4466b - test::__rust_begin_short_backtrace::hdcf0edcfa9080086
[INFO] [stdout]                                at /rustc/b642703cf9526da1e72c0b6755753b939a9c6b6d/library/test/src/lib.rs:625:18
[INFO] [stdout]   49:     0x55815bd43d31 - test::run_test_in_process::{{closure}}::heac2c4eb375d2d10
[INFO] [stdout]                                at /rustc/b642703cf9526da1e72c0b6755753b939a9c6b6d/library/test/src/lib.rs:648:60
[INFO] [stdout]   50:     0x55815bd43d31 - <core::panic::unwind_safe::AssertUnwindSafe<F> as core::ops::function::FnOnce<()>>::call_once::h0289bafc8a1cc004
[INFO] [stdout]                                at /rustc/b642703cf9526da1e72c0b6755753b939a9c6b6d/library/core/src/panic/unwind_safe.rs:272:9
[INFO] [stdout]   51:     0x55815bd43d31 - std::panicking::try::do_call::h5e158f1ad8a5f983
[INFO] [stdout]                                at /rustc/b642703cf9526da1e72c0b6755753b939a9c6b6d/library/std/src/panicking.rs:559:40
[INFO] [stdout]   52:     0x55815bd43d31 - std::panicking::try::hea3411d60321c4de
[INFO] [stdout]                                at /rustc/b642703cf9526da1e72c0b6755753b939a9c6b6d/library/std/src/panicking.rs:523:19
[INFO] [stdout]   53:     0x55815bd43d31 - std::panic::catch_unwind::hafb7bb18bc47bbc7
[INFO] [stdout]                                at /rustc/b642703cf9526da1e72c0b6755753b939a9c6b6d/library/std/src/panic.rs:149:14
[INFO] [stdout]   54:     0x55815bd43d31 - test::run_test_in_process::h74dd138dc7762d99
[INFO] [stdout]                                at /rustc/b642703cf9526da1e72c0b6755753b939a9c6b6d/library/test/src/lib.rs:648:27
[INFO] [stdout]   55:     0x55815bd43d31 - test::run_test::{{closure}}::h6b390822e63606cf
[INFO] [stdout]                                at /rustc/b642703cf9526da1e72c0b6755753b939a9c6b6d/library/test/src/lib.rs:569:43
[INFO] [stdout]   56:     0x55815bd0c704 - test::run_test::{{closure}}::h6e11dba8131d354b
[INFO] [stdout]                                at /rustc/b642703cf9526da1e72c0b6755753b939a9c6b6d/library/test/src/lib.rs:599:41
[INFO] [stdout]   57:     0x55815bd0c704 - std::sys_common::backtrace::__rust_begin_short_backtrace::ha71b3541b59bdbbb
[INFO] [stdout]                                at /rustc/b642703cf9526da1e72c0b6755753b939a9c6b6d/library/std/src/sys_common/backtrace.rs:155:18
[INFO] [stdout]   58:     0x55815bd111d2 - std::thread::Builder::spawn_unchecked_::{{closure}}::{{closure}}::hef92127c5ef9e53c
[INFO] [stdout]                                at /rustc/b642703cf9526da1e72c0b6755753b939a9c6b6d/library/std/src/thread/mod.rs:542:17
[INFO] [stdout]   59:     0x55815bd111d2 - <core::panic::unwind_safe::AssertUnwindSafe<F> as core::ops::function::FnOnce<()>>::call_once::h859c109f9d11c92b
[INFO] [stdout]                                at /rustc/b642703cf9526da1e72c0b6755753b939a9c6b6d/library/core/src/panic/unwind_safe.rs:272:9
[INFO] [stdout]   60:     0x55815bd111d2 - std::panicking::try::do_call::hbf534c458cd858f0
[INFO] [stdout]                                at /rustc/b642703cf9526da1e72c0b6755753b939a9c6b6d/library/std/src/panicking.rs:559:40
[INFO] [stdout]   61:     0x55815bd111d2 - std::panicking::try::h65c18365a7b9ad90
[INFO] [stdout]                                at /rustc/b642703cf9526da1e72c0b6755753b939a9c6b6d/library/std/src/panicking.rs:523:19
[INFO] [stdout]   62:     0x55815bd111d2 - std::panic::catch_unwind::h21b25d4c69478c39
[INFO] [stdout]                                at /rustc/b642703cf9526da1e72c0b6755753b939a9c6b6d/library/std/src/panic.rs:149:14
[INFO] [stdout]   63:     0x55815bd111d2 - std::thread::Builder::spawn_unchecked_::{{closure}}::h23335f620275a9bf
[INFO] [stdout]                                at /rustc/b642703cf9526da1e72c0b6755753b939a9c6b6d/library/std/src/thread/mod.rs:541:30
[INFO] [stdout]   64:     0x55815bd111d2 - core::ops::function::FnOnce::call_once{{vtable.shim}}::hb491dc55513e9b7c
[INFO] [stdout]                                at /rustc/b642703cf9526da1e72c0b6755753b939a9c6b6d/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   65:     0x55815bf321ab - <alloc::boxed::Box<F,A> as core::ops::function::FnOnce<Args>>::call_once::h41b39260afcffdc9
[INFO] [stdout]                                at /rustc/b642703cf9526da1e72c0b6755753b939a9c6b6d/library/alloc/src/boxed.rs:2022:9
[INFO] [stdout]   66:     0x55815bf321ab - <alloc::boxed::Box<F,A> as core::ops::function::FnOnce<Args>>::call_once::h6694c8dc6dd010c4
[INFO] [stdout]                                at /rustc/b642703cf9526da1e72c0b6755753b939a9c6b6d/library/alloc/src/boxed.rs:2022:9
[INFO] [stdout]   67:     0x55815bf321ab - std::sys::pal::unix::thread::Thread::new::thread_start::hf16038e1c8e19c99
[INFO] [stdout]                                at /rustc/b642703cf9526da1e72c0b6755753b939a9c6b6d/library/std/src/sys/pal/unix/thread.rs:108:17
[INFO] [stdout]   68:     0x7f5a291c4ac3 - <unknown>
[INFO] [stdout]   69:     0x7f5a29255a04 - __clone
[INFO] [stdout]   70:                0x0 - <unknown>
[INFO] [stdout] 
[INFO] [stdout] ---- tests::layer_from_manifest_with_whiteout_and_opaque_dir stdout ----
[INFO] [stdout] May 25 05:24:00.953 DEBG mounting FUSE file-system in namespace
[INFO] [stdout] thread 'tests::layer_from_manifest_with_whiteout_and_opaque_dir' panicked at src/lib.rs:1178:18:
[INFO] [stdout] called `Result::unwrap()` on an `Err` value: ENOSYS: Function not implemented
[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/index.crates.io-6f17d22bba15001f/anyhow-1.0.82/src/backtrace.rs:27:14
[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/b642703cf9526da1e72c0b6755753b939a9c6b6d/library/core/src/result.rs:1964:27
[INFO] [stdout]    2: maelstrom_fuse::fuse_mount_namespace::{{closure}}::{{closure}}
[INFO] [stdout]              at /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/maelstrom-fuse-0.8.0/src/lib.rs:127:27
[INFO] [stdout]    3: <tokio::runtime::blocking::task::BlockingTask<T> as core::future::future::Future>::poll
[INFO] [stdout]              at /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/tokio-1.37.0/src/runtime/blocking/task.rs:42:21
[INFO] [stdout]    4: tokio::runtime::task::core::Core<T,S>::poll::{{closure}}
[INFO] [stdout]              at /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/tokio-1.37.0/src/runtime/task/core.rs:328:17
[INFO] [stdout]    5: tokio::loom::std::unsafe_cell::UnsafeCell<T>::with_mut
[INFO] [stdout]              at /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/tokio-1.37.0/src/loom/std/unsafe_cell.rs:16:9
[INFO] [stdout]    6: tokio::runtime::task::core::Core<T,S>::poll
[INFO] [stdout]              at /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/tokio-1.37.0/src/runtime/task/core.rs:317:13
[INFO] [stdout]    7: tokio::runtime::task::harness::poll_future::{{closure}}
[INFO] [stdout]              at /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/tokio-1.37.0/src/runtime/task/harness.rs:485:19
[INFO] [stdout]    8: <core::panic::unwind_safe::AssertUnwindSafe<F> as core::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]              at /rustc/b642703cf9526da1e72c0b6755753b939a9c6b6d/library/core/src/panic/unwind_safe.rs:272:9
[INFO] [stdout]    9: std::panicking::try::do_call
[INFO] [stdout]              at /rustc/b642703cf9526da1e72c0b6755753b939a9c6b6d/library/std/src/panicking.rs:559:40
[INFO] [stdout]   10: __rust_try
[INFO] [stdout]   11: std::panicking::try
[INFO] [stdout]              at /rustc/b642703cf9526da1e72c0b6755753b939a9c6b6d/library/std/src/panicking.rs:523:19
[INFO] [stdout]   12: std::panic::catch_unwind
[INFO] [stdout]              at /rustc/b642703cf9526da1e72c0b6755753b939a9c6b6d/library/std/src/panic.rs:149:14
[INFO] [stdout]   13: tokio::runtime::task::harness::poll_future
[INFO] [stdout]              at /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/tokio-1.37.0/src/runtime/task/harness.rs:473:18
[INFO] [stdout]   14: tokio::runtime::task::harness::Harness<T,S>::poll_inner
[INFO] [stdout]              at /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/tokio-1.37.0/src/runtime/task/harness.rs:208:27
[INFO] [stdout]   15: tokio::runtime::task::harness::Harness<T,S>::poll
[INFO] [stdout]              at /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/tokio-1.37.0/src/runtime/task/harness.rs:153:15
[INFO] [stdout]   16: tokio::runtime::task::raw::poll
[INFO] [stdout]              at /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/tokio-1.37.0/src/runtime/task/raw.rs:271:5
[INFO] [stdout]   17: tokio::runtime::task::raw::RawTask::poll
[INFO] [stdout]              at /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/tokio-1.37.0/src/runtime/task/raw.rs:201:18
[INFO] [stdout]   18: tokio::runtime::task::UnownedTask<S>::run
[INFO] [stdout]              at /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/tokio-1.37.0/src/runtime/task/mod.rs:464:9
[INFO] [stdout]   19: tokio::runtime::blocking::pool::Task::run
[INFO] [stdout]              at /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/tokio-1.37.0/src/runtime/blocking/pool.rs:159:9
[INFO] [stdout]   20: tokio::runtime::blocking::pool::Inner::run
[INFO] [stdout]              at /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/tokio-1.37.0/src/runtime/blocking/pool.rs:513:17
[INFO] [stdout]   21: tokio::runtime::blocking::pool::Spawner::spawn_thread::{{closure}}
[INFO] [stdout]              at /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/tokio-1.37.0/src/runtime/blocking/pool.rs:471:13
[INFO] [stdout]   22: std::sys_common::backtrace::__rust_begin_short_backtrace
[INFO] [stdout]              at /rustc/b642703cf9526da1e72c0b6755753b939a9c6b6d/library/std/src/sys_common/backtrace.rs:155:18
[INFO] [stdout]   23: std::thread::Builder::spawn_unchecked_::{{closure}}::{{closure}}
[INFO] [stdout]              at /rustc/b642703cf9526da1e72c0b6755753b939a9c6b6d/library/std/src/thread/mod.rs:542:17
[INFO] [stdout]   24: <core::panic::unwind_safe::AssertUnwindSafe<F> as core::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]              at /rustc/b642703cf9526da1e72c0b6755753b939a9c6b6d/library/core/src/panic/unwind_safe.rs:272:9
[INFO] [stdout]   25: std::panicking::try::do_call
[INFO] [stdout]              at /rustc/b642703cf9526da1e72c0b6755753b939a9c6b6d/library/std/src/panicking.rs:559:40
[INFO] [stdout]   26: __rust_try
[INFO] [stdout]   27: std::panicking::try
[INFO] [stdout]              at /rustc/b642703cf9526da1e72c0b6755753b939a9c6b6d/library/std/src/panicking.rs:523:19
[INFO] [stdout]   28: std::panic::catch_unwind
[INFO] [stdout]              at /rustc/b642703cf9526da1e72c0b6755753b939a9c6b6d/library/std/src/panic.rs:149:14
[INFO] [stdout]   29: std::thread::Builder::spawn_unchecked_::{{closure}}
[INFO] [stdout]              at /rustc/b642703cf9526da1e72c0b6755753b939a9c6b6d/library/std/src/thread/mod.rs:541:30
[INFO] [stdout]   30: core::ops::function::FnOnce::call_once{{vtable.shim}}
[INFO] [stdout]              at /rustc/b642703cf9526da1e72c0b6755753b939a9c6b6d/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   31: <alloc::boxed::Box<F,A> as core::ops::function::FnOnce<Args>>::call_once
[INFO] [stdout]              at /rustc/b642703cf9526da1e72c0b6755753b939a9c6b6d/library/alloc/src/boxed.rs:2022:9
[INFO] [stdout]   32: <alloc::boxed::Box<F,A> as core::ops::function::FnOnce<Args>>::call_once
[INFO] [stdout]              at /rustc/b642703cf9526da1e72c0b6755753b939a9c6b6d/library/alloc/src/boxed.rs:2022:9
[INFO] [stdout]   33: std::sys::pal::unix::thread::Thread::new::thread_start
[INFO] [stdout]              at /rustc/b642703cf9526da1e72c0b6755753b939a9c6b6d/library/std/src/sys/pal/unix/thread.rs:108:17
[INFO] [stdout]   34: <unknown>
[INFO] [stdout]   35: __clone
[INFO] [stdout] stack backtrace:
[INFO] [stdout]    0:     0x55815bf2a915 - std::backtrace_rs::backtrace::libunwind::trace::he49dc9a9e3164223
[INFO] [stdout]                                at /rustc/b642703cf9526da1e72c0b6755753b939a9c6b6d/library/std/src/../../backtrace/src/backtrace/libunwind.rs:105:5
[INFO] [stdout]    1:     0x55815bf2a915 - std::backtrace_rs::backtrace::trace_unsynchronized::h3a3e77c68030aa6b
[INFO] [stdout]                                at /rustc/b642703cf9526da1e72c0b6755753b939a9c6b6d/library/std/src/../../backtrace/src/backtrace/mod.rs:66:5
[INFO] [stdout]    2:     0x55815bf2a915 - std::sys_common::backtrace::_print_fmt::h9479ad2f99afd5d4
[INFO] [stdout]                                at /rustc/b642703cf9526da1e72c0b6755753b939a9c6b6d/library/std/src/sys_common/backtrace.rs:68:5
[INFO] [stdout]    3:     0x55815bf2a915 - <std::sys_common::backtrace::_print::DisplayBacktrace as core::fmt::Display>::fmt::hfb01aa1fa3fb1821
[INFO] [stdout]                                at /rustc/b642703cf9526da1e72c0b6755753b939a9c6b6d/library/std/src/sys_common/backtrace.rs:44:22
[INFO] [stdout]    4:     0x55815bf53beb - core::fmt::rt::Argument::fmt::h125e56152abbc1c3
[INFO] [stdout]                                at /rustc/b642703cf9526da1e72c0b6755753b939a9c6b6d/library/core/src/fmt/rt.rs:165:63
[INFO] [stdout]    5:     0x55815bf53beb - core::fmt::write::hb0ab4ff05ccfe741
[INFO] [stdout]                                at /rustc/b642703cf9526da1e72c0b6755753b939a9c6b6d/library/core/src/fmt/mod.rs:1169:21
[INFO] [stdout]    6:     0x55815bf27bcf - std::io::Write::write_fmt::hea6336dbf2fa00b8
[INFO] [stdout]                                at /rustc/b642703cf9526da1e72c0b6755753b939a9c6b6d/library/std/src/io/mod.rs:1835:15
[INFO] [stdout]    7:     0x55815bf2a6ee - std::sys_common::backtrace::_print::h79ca548f3a2adf4b
[INFO] [stdout]                                at /rustc/b642703cf9526da1e72c0b6755753b939a9c6b6d/library/std/src/sys_common/backtrace.rs:47:5
[INFO] [stdout]    8:     0x55815bf2a6ee - std::sys_common::backtrace::print::h9aebf997b2fea2d3
[INFO] [stdout]                                at /rustc/b642703cf9526da1e72c0b6755753b939a9c6b6d/library/std/src/sys_common/backtrace.rs:34:9
[INFO] [stdout]    9:     0x55815bf2c059 - std::panicking::default_hook::{{closure}}::h68a0954af2694526
[INFO] [stdout]   10:     0x55815bf2bdac - std::panicking::default_hook::h5be50cc6849ffb00
[INFO] [stdout]                                at /rustc/b642703cf9526da1e72c0b6755753b939a9c6b6d/library/std/src/panicking.rs:295:9
[INFO] [stdout]   11:     0x55815bd3fd4f - <alloc::boxed::Box<F,A> as core::ops::function::Fn<Args>>::call::hd874405dcbd1d3ed
[INFO] [stdout]                                at /rustc/b642703cf9526da1e72c0b6755753b939a9c6b6d/library/alloc/src/boxed.rs:2036:9
[INFO] [stdout]   12:     0x55815bd3fd4f - test::test_main::{{closure}}::h4f26a9df34a84b94
[INFO] [stdout]                                at /rustc/b642703cf9526da1e72c0b6755753b939a9c6b6d/library/test/src/lib.rs:137:21
[INFO] [stdout]   13:     0x55815bf2c65b - <alloc::boxed::Box<F,A> as core::ops::function::Fn<Args>>::call::h00e96d9c62aa9a12
[INFO] [stdout]                                at /rustc/b642703cf9526da1e72c0b6755753b939a9c6b6d/library/alloc/src/boxed.rs:2036:9
[INFO] [stdout]   14:     0x55815bf2c65b - std::panicking::rust_panic_with_hook::h3c0df6036729334c
[INFO] [stdout]                                at /rustc/b642703cf9526da1e72c0b6755753b939a9c6b6d/library/std/src/panicking.rs:799:13
[INFO] [stdout]   15:     0x55815bf2c3d4 - std::panicking::begin_panic_handler::{{closure}}::ha3a21e93c4cfd807
[INFO] [stdout]                                at /rustc/b642703cf9526da1e72c0b6755753b939a9c6b6d/library/std/src/panicking.rs:664:13
[INFO] [stdout]   16:     0x55815bf2add9 - std::sys_common::backtrace::__rust_end_short_backtrace::h19508a8f8ae71dc9
[INFO] [stdout]                                at /rustc/b642703cf9526da1e72c0b6755753b939a9c6b6d/library/std/src/sys_common/backtrace.rs:171:18
[INFO] [stdout]   17:     0x55815bf2c107 - rust_begin_unwind
[INFO] [stdout]                                at /rustc/b642703cf9526da1e72c0b6755753b939a9c6b6d/library/std/src/panicking.rs:652:5
[INFO] [stdout]   18:     0x55815ba9b2b3 - core::panicking::panic_fmt::h2ba8af99174d83ea
[INFO] [stdout]                                at /rustc/b642703cf9526da1e72c0b6755753b939a9c6b6d/library/core/src/panicking.rs:72:14
[INFO] [stdout]   19:     0x55815ba9b806 - core::result::unwrap_failed::h52f3bbb78b59f71d
[INFO] [stdout]                                at /rustc/b642703cf9526da1e72c0b6755753b939a9c6b6d/library/core/src/result.rs:1654:5
[INFO] [stdout]   20:     0x55815bca635a - core::result::Result<T,E>::unwrap::h12d33d75ca13dd03
[INFO] [stdout]                                at /rustc/b642703cf9526da1e72c0b6755753b939a9c6b6d/library/core/src/result.rs:1077:23
[INFO] [stdout]   21:     0x55815bca635a - maelstrom_layer_fs::tests::Fixture::mount::{{closure}}::h76f7f34a1afa1da4
[INFO] [stdout]                                at /opt/rustwide/workdir/src/lib.rs:1175:13
[INFO] [stdout]   22:     0x55815bcacb73 - maelstrom_layer_fs::tests::layer_from_tar_or_manifest_with_whiteout_and_opaque_dir::{{closure}}::hf787abbed12ab134
[INFO] [stdout]                                at /opt/rustwide/workdir/src/lib.rs:1495:48
[INFO] [stdout]   23:     0x55815bcb99c3 - maelstrom_layer_fs::tests::layer_from_manifest_with_whiteout_and_opaque_dir::{{closure}}::h3eedcc9a8c1d0b8d
[INFO] [stdout]                                at /opt/rustwide/workdir/src/lib.rs:1521:10
[INFO] [stdout]   24:     0x55815bc89d52 - <core::pin::Pin<P> as core::future::future::Future>::poll::h6a85ffe21b2c4c95
[INFO] [stdout]                                at /rustc/b642703cf9526da1e72c0b6755753b939a9c6b6d/library/core/src/future/future.rs:123:9
[INFO] [stdout]   25:     0x55815bc89ccd - <core::pin::Pin<P> as core::future::future::Future>::poll::h3a17e493fe70644b
[INFO] [stdout]                                at /rustc/b642703cf9526da1e72c0b6755753b939a9c6b6d/library/core/src/future/future.rs:123:9
[INFO] [stdout]   26:     0x55815bc70c2f - tokio::runtime::scheduler::current_thread::CoreGuard::block_on::{{closure}}::{{closure}}::{{closure}}::hbcae7a313f3c6152
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/tokio-1.37.0/src/runtime/scheduler/current_thread/mod.rs:659:57
[INFO] [stdout]   27:     0x55815bc70b65 - tokio::runtime::coop::with_budget::h5ac2764e228d0de6
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/tokio-1.37.0/src/runtime/coop.rs:107:5
[INFO] [stdout]   28:     0x55815bc70b65 - tokio::runtime::coop::budget::hc658c8e4cb0a0c8d
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/tokio-1.37.0/src/runtime/coop.rs:73:5
[INFO] [stdout]   29:     0x55815bc70b65 - tokio::runtime::scheduler::current_thread::CoreGuard::block_on::{{closure}}::{{closure}}::h12e10693abf9f854
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/tokio-1.37.0/src/runtime/scheduler/current_thread/mod.rs:659:25
[INFO] [stdout]   30:     0x55815bc6f650 - tokio::runtime::scheduler::current_thread::Context::enter::h1a25ea7e5529a0a0
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/tokio-1.37.0/src/runtime/scheduler/current_thread/mod.rs:404:19
[INFO] [stdout]   31:     0x55815bc703eb - tokio::runtime::scheduler::current_thread::CoreGuard::block_on::{{closure}}::h938371df17317d12
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/tokio-1.37.0/src/runtime/scheduler/current_thread/mod.rs:658:36
[INFO] [stdout]   32:     0x55815bc70164 - tokio::runtime::scheduler::current_thread::CoreGuard::enter::{{closure}}::h23361fef9920aca5
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/tokio-1.37.0/src/runtime/scheduler/current_thread/mod.rs:737:68
[INFO] [stdout]   33:     0x55815bc351fb - tokio::runtime::context::scoped::Scoped<T>::set::hfcf659facfad285b
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/tokio-1.37.0/src/runtime/context/scoped.rs:40:9
[INFO] [stdout]   34:     0x55815bb3e999 - tokio::runtime::context::set_scheduler::{{closure}}::h2fae601fb4a4e825
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/tokio-1.37.0/src/runtime/context.rs:176:26
[INFO] [stdout]   35:     0x55815bc945a0 - std::thread::local::LocalKey<T>::try_with::hfb57897efafa1ada
[INFO] [stdout]                                at /rustc/b642703cf9526da1e72c0b6755753b939a9c6b6d/library/std/src/thread/local.rs:286:12
[INFO] [stdout]   36:     0x55815bc92c5a - std::thread::local::LocalKey<T>::with::h943317245f47db8c
[INFO] [stdout]                                at /rustc/b642703cf9526da1e72c0b6755753b939a9c6b6d/library/std/src/thread/local.rs:262:9
[INFO] [stdout]   37:     0x55815bb3e94d - tokio::runtime::context::set_scheduler::hf044fc79721ae8bb
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/tokio-1.37.0/src/runtime/context.rs:176:9
[INFO] [stdout]   38:     0x55815bc6ff10 - tokio::runtime::scheduler::current_thread::CoreGuard::enter::h4f1e663cea134727
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/tokio-1.37.0/src/runtime/scheduler/current_thread/mod.rs:737:27
[INFO] [stdout]   39:     0x55815bc70183 - tokio::runtime::scheduler::current_thread::CoreGuard::block_on::h1765e4a6caf65d57
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/tokio-1.37.0/src/runtime/scheduler/current_thread/mod.rs:646:19
[INFO] [stdout]   40:     0x55815bc6cf33 - tokio::runtime::scheduler::current_thread::CurrentThread::block_on::{{closure}}::h80daa66651dbb412
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/tokio-1.37.0/src/runtime/scheduler/current_thread/mod.rs:175:28
[INFO] [stdout]   41:     0x55815bc370d6 - tokio::runtime::context::runtime::enter_runtime::hcd80078119a75897
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/tokio-1.37.0/src/runtime/context/runtime.rs:65:16
[INFO] [stdout]   42:     0x55815bc6ce91 - tokio::runtime::scheduler::current_thread::CurrentThread::block_on::h0f169576765c3721
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/tokio-1.37.0/src/runtime/scheduler/current_thread/mod.rs:167:9
[INFO] [stdout]   43:     0x55815bc8865d - tokio::runtime::runtime::Runtime::block_on::hfd88ea622e450ffa
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/tokio-1.37.0/src/runtime/runtime.rs:349:47
[INFO] [stdout]   44:     0x55815bcb97f0 - maelstrom_layer_fs::tests::layer_from_manifest_with_whiteout_and_opaque_dir::hd4cd1644f4737a67
[INFO] [stdout]                                at /opt/rustwide/workdir/src/lib.rs:1518:9
[INFO] [stdout]   45:     0x55815bcb9687 - maelstrom_layer_fs::tests::layer_from_manifest_with_whiteout_and_opaque_dir::{{closure}}::h1f1d31bb3a3a514b
[INFO] [stdout]                                at /opt/rustwide/workdir/src/lib.rs:1517:64
[INFO] [stdout]   46:     0x55815baa0866 - core::ops::function::FnOnce::call_once::hf424da065974a4a5
[INFO] [stdout]                                at /rustc/b642703cf9526da1e72c0b6755753b939a9c6b6d/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   47:     0x55815bd4466b - core::ops::function::FnOnce::call_once::h18c6bf92212b87a4
[INFO] [stdout]                                at /rustc/b642703cf9526da1e72c0b6755753b939a9c6b6d/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   48:     0x55815bd4466b - test::__rust_begin_short_backtrace::hdcf0edcfa9080086
[INFO] [stdout]                                at /rustc/b642703cf9526da1e72c0b6755753b939a9c6b6d/library/test/src/lib.rs:625:18
[INFO] [stdout]   49:     0x55815bd43d31 - test::run_test_in_process::{{closure}}::heac2c4eb375d2d10
[INFO] [stdout]                                at /rustc/b642703cf9526da1e72c0b6755753b939a9c6b6d/library/test/src/lib.rs:648:60
[INFO] [stdout]   50:     0x55815bd43d31 - <core::panic::unwind_safe::AssertUnwindSafe<F> as core::ops::function::FnOnce<()>>::call_once::h0289bafc8a1cc004
[INFO] [stdout]                                at /rustc/b642703cf9526da1e72c0b6755753b939a9c6b6d/library/core/src/panic/unwind_safe.rs:272:9
[INFO] [stdout]   51:     0x55815bd43d31 - std::panicking::try::do_call::h5e158f1ad8a5f983
[INFO] [stdout]                                at /rustc/b642703cf9526da1e72c0b6755753b939a9c6b6d/library/std/src/panicking.rs:559:40
[INFO] [stdout]   52:     0x55815bd43d31 - std::panicking::try::hea3411d60321c4de
[INFO] [stdout]                                at /rustc/b642703cf9526da1e72c0b6755753b939a9c6b6d/library/std/src/panicking.rs:523:19
[INFO] [stdout]   53:     0x55815bd43d31 - std::panic::catch_unwind::hafb7bb18bc47bbc7
[INFO] [stdout]                                at /rustc/b642703cf9526da1e72c0b6755753b939a9c6b6d/library/std/src/panic.rs:149:14
[INFO] [stdout]   54:     0x55815bd43d31 - test::run_test_in_process::h74dd138dc7762d99
[INFO] [stdout]                                at /rustc/b642703cf9526da1e72c0b6755753b939a9c6b6d/library/test/src/lib.rs:648:27
[INFO] [stdout]   55:     0x55815bd43d31 - test::run_test::{{closure}}::h6b390822e63606cf
[INFO] [stdout]                                at /rustc/b642703cf9526da1e72c0b6755753b939a9c6b6d/library/test/src/lib.rs:569:43
[INFO] [stdout]   56:     0x55815bd0c704 - test::run_test::{{closure}}::h6e11dba8131d354b
[INFO] [stdout]                                at /rustc/b642703cf9526da1e72c0b6755753b939a9c6b6d/library/test/src/lib.rs:599:41
[INFO] [stdout]   57:     0x55815bd0c704 - std::sys_common::backtrace::__rust_begin_short_backtrace::ha71b3541b59bdbbb
[INFO] [stdout]                                at /rustc/b642703cf9526da1e72c0b6755753b939a9c6b6d/library/std/src/sys_common/backtrace.rs:155:18
[INFO] [stdout]   58:     0x55815bd111d2 - std::thread::Builder::spawn_unchecked_::{{closure}}::{{closure}}::hef92127c5ef9e53c
[INFO] [stdout]                                at /rustc/b642703cf9526da1e72c0b6755753b939a9c6b6d/library/std/src/thread/mod.rs:542:17
[INFO] [stdout]   59:     0x55815bd111d2 - <core::panic::unwind_safe::AssertUnwindSafe<F> as core::ops::function::FnOnce<()>>::call_once::h859c109f9d11c92b
[INFO] [stdout]                                at /rustc/b642703cf9526da1e72c0b6755753b939a9c6b6d/library/core/src/panic/unwind_safe.rs:272:9
[INFO] [stdout]   60:     0x55815bd111d2 - std::panicking::try::do_call::hbf534c458cd858f0
[INFO] [stdout]                                at /rustc/b642703cf9526da1e72c0b6755753b939a9c6b6d/library/std/src/panicking.rs:559:40
[INFO] [stdout]   61:     0x55815bd111d2 - std::panicking::try::h65c18365a7b9ad90
[INFO] [stdout]                                at /rustc/b642703cf9526da1e72c0b6755753b939a9c6b6d/library/std/src/panicking.rs:523:19
[INFO] [stdout]   62:     0x55815bd111d2 - std::panic::catch_unwind::h21b25d4c69478c39
[INFO] [stdout]                                at /rustc/b642703cf9526da1e72c0b6755753b939a9c6b6d/library/std/src/panic.rs:149:14
[INFO] [stdout]   63:     0x55815bd111d2 - std::thread::Builder::spawn_unchecked_::{{closure}}::h23335f620275a9bf
[INFO] [stdout]                                at /rustc/b642703cf9526da1e72c0b6755753b939a9c6b6d/library/std/src/thread/mod.rs:541:30
[INFO] [stdout]   64:     0x55815bd111d2 - core::ops::function::FnOnce::call_once{{vtable.shim}}::hb491dc55513e9b7c
[INFO] [stdout]                                at /rustc/b642703cf9526da1e72c0b6755753b939a9c6b6d/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   65:     0x55815bf321ab - <alloc::boxed::Box<F,A> as core::ops::function::FnOnce<Args>>::call_once::h41b39260afcffdc9
[INFO] [stdout]                                at /rustc/b642703cf9526da1e72c0b6755753b939a9c6b6d/library/alloc/src/boxed.rs:2022:9
[INFO] [stdout]   66:     0x55815bf321ab - <alloc::boxed::Box<F,A> as core::ops::function::FnOnce<Args>>::call_once::h6694c8dc6dd010c4
[INFO] [stdout]                                at /rustc/b642703cf9526da1e72c0b6755753b939a9c6b6d/library/alloc/src/boxed.rs:2022:9
[INFO] [stdout]   67:     0x55815bf321ab - std::sys::pal::unix::thread::Thread::new::thread_start::hf16038e1c8e19c99
[INFO] [stdout]                                at /rustc/b642703cf9526da1e72c0b6755753b939a9c6b6d/library/std/src/sys/pal/unix/thread.rs:108:17
[INFO] [stdout]   68:     0x7f5a291c4ac3 - <unknown>
[INFO] [stdout]   69:     0x7f5a29255a04 - __clone
[INFO] [stdout]   70:                0x0 - <unknown>
[INFO] [stdout] 
[INFO] [stdout] ---- tests::two_layer_replace_dir_with_file stdout ----
[INFO] [stdout] May 25 05:24:00.954 DEBG mounting FUSE file-system in namespace
[INFO] [stdout] thread 'tests::two_layer_replace_dir_with_file' panicked at src/lib.rs:1178:18:
[INFO] [stdout] called `Result::unwrap()` on an `Err` value: ENOSYS: Function not implemented
[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/index.crates.io-6f17d22bba15001f/anyhow-1.0.82/src/backtrace.rs:27:14
[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/b642703cf9526da1e72c0b6755753b939a9c6b6d/library/core/src/result.rs:1964:27
[INFO] [stdout]    2: maelstrom_fuse::fuse_mount_namespace::{{closure}}::{{closure}}
[INFO] [stdout]              at /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/maelstrom-fuse-0.8.0/src/lib.rs:127:27
[INFO] [stdout]    3: <tokio::runtime::blocking::task::BlockingTask<T> as core::future::future::Future>::poll
[INFO] [stdout]              at /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/tokio-1.37.0/src/runtime/blocking/task.rs:42:21
[INFO] [stdout]    4: tokio::runtime::task::core::Core<T,S>::poll::{{closure}}
[INFO] [stdout]              at /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/tokio-1.37.0/src/runtime/task/core.rs:328:17
[INFO] [stdout]    5: tokio::loom::std::unsafe_cell::UnsafeCell<T>::with_mut
[INFO] [stdout]              at /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/tokio-1.37.0/src/loom/std/unsafe_cell.rs:16:9
[INFO] [stdout]    6: tokio::runtime::task::core::Core<T,S>::poll
[INFO] [stdout]              at /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/tokio-1.37.0/src/runtime/task/core.rs:317:13
[INFO] [stdout]    7: tokio::runtime::task::harness::poll_future::{{closure}}
[INFO] [stdout]              at /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/tokio-1.37.0/src/runtime/task/harness.rs:485:19
[INFO] [stdout]    8: <core::panic::unwind_safe::AssertUnwindSafe<F> as core::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]              at /rustc/b642703cf9526da1e72c0b6755753b939a9c6b6d/library/core/src/panic/unwind_safe.rs:272:9
[INFO] [stdout]    9: std::panicking::try::do_call
[INFO] [stdout]              at /rustc/b642703cf9526da1e72c0b6755753b939a9c6b6d/library/std/src/panicking.rs:559:40
[INFO] [stdout]   10: __rust_try
[INFO] [stdout]   11: std::panicking::try
[INFO] [stdout]              at /rustc/b642703cf9526da1e72c0b6755753b939a9c6b6d/library/std/src/panicking.rs:523:19
[INFO] [stdout]   12: std::panic::catch_unwind
[INFO] [stdout]              at /rustc/b642703cf9526da1e72c0b6755753b939a9c6b6d/library/std/src/panic.rs:149:14
[INFO] [stdout]   13: tokio::runtime::task::harness::poll_future
[INFO] [stdout]              at /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/tokio-1.37.0/src/runtime/task/harness.rs:473:18
[INFO] [stdout]   14: tokio::runtime::task::harness::Harness<T,S>::poll_inner
[INFO] [stdout]              at /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/tokio-1.37.0/src/runtime/task/harness.rs:208:27
[INFO] [stdout]   15: tokio::runtime::task::harness::Harness<T,S>::poll
[INFO] [stdout]              at /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/tokio-1.37.0/src/runtime/task/harness.rs:153:15
[INFO] [stdout]   16: tokio::runtime::task::raw::poll
[INFO] [stdout]              at /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/tokio-1.37.0/src/runtime/task/raw.rs:271:5
[INFO] [stdout]   17: tokio::runtime::task::raw::RawTask::poll
[INFO] [stdout]              at /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/tokio-1.37.0/src/runtime/task/raw.rs:201:18
[INFO] [stdout]   18: tokio::runtime::task::UnownedTask<S>::run
[INFO] [stdout]              at /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/tokio-1.37.0/src/runtime/task/mod.rs:464:9
[INFO] [stdout]   19: tokio::runtime::blocking::pool::Task::run
[INFO] [stdout]              at /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/tokio-1.37.0/src/runtime/blocking/pool.rs:159:9
[INFO] [stdout]   20: tokio::runtime::blocking::pool::Inner::run
[INFO] [stdout]              at /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/tokio-1.37.0/src/runtime/blocking/pool.rs:513:17
[INFO] [stdout]   21: tokio::runtime::blocking::pool::Spawner::spawn_thread::{{closure}}
[INFO] [stdout]              at /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/tokio-1.37.0/src/runtime/blocking/pool.rs:471:13
[INFO] [stdout]   22: std::sys_common::backtrace::__rust_begin_short_backtrace
[INFO] [stdout]              at /rustc/b642703cf9526da1e72c0b6755753b939a9c6b6d/library/std/src/sys_common/backtrace.rs:155:18
[INFO] [stdout]   23: std::thread::Builder::spawn_unchecked_::{{closure}}::{{closure}}
[INFO] [stdout]              at /rustc/b642703cf9526da1e72c0b6755753b939a9c6b6d/library/std/src/thread/mod.rs:542:17
[INFO] [stdout]   24: <core::panic::unwind_safe::AssertUnwindSafe<F> as core::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]              at /rustc/b642703cf9526da1e72c0b6755753b939a9c6b6d/library/core/src/panic/unwind_safe.rs:272:9
[INFO] [stdout]   25: std::panicking::try::do_call
[INFO] [stdout]              at /rustc/b642703cf9526da1e72c0b6755753b939a9c6b6d/library/std/src/panicking.rs:559:40
[INFO] [stdout]   26: __rust_try
[INFO] [stdout]   27: std::panicking::try
[INFO] [stdout]              at /rustc/b642703cf9526da1e72c0b6755753b939a9c6b6d/library/std/src/panicking.rs:523:19
[INFO] [stdout]   28: std::panic::catch_unwind
[INFO] [stdout]              at /rustc/b642703cf9526da1e72c0b6755753b939a9c6b6d/library/std/src/panic.rs:149:14
[INFO] [stdout]   29: std::thread::Builder::spawn_unchecked_::{{closure}}
[INFO] [stdout]              at /rustc/b642703cf9526da1e72c0b6755753b939a9c6b6d/library/std/src/thread/mod.rs:541:30
[INFO] [stdout]   30: core::ops::function::FnOnce::call_once{{vtable.shim}}
[INFO] [stdout]              at /rustc/b642703cf9526da1e72c0b6755753b939a9c6b6d/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   31: <alloc::boxed::Box<F,A> as core::ops::function::FnOnce<Args>>::call_once
[INFO] [stdout]              at /rustc/b642703cf9526da1e72c0b6755753b939a9c6b6d/library/alloc/src/boxed.rs:2022:9
[INFO] [stdout]   32: <alloc::boxed::Box<F,A> as core::ops::function::FnOnce<Args>>::call_once
[INFO] [stdout]              at /rustc/b642703cf9526da1e72c0b6755753b939a9c6b6d/library/alloc/src/boxed.rs:2022:9
[INFO] [stdout]   33: std::sys::pal::unix::thread::Thread::new::thread_start
[INFO] [stdout]              at /rustc/b642703cf9526da1e72c0b6755753b939a9c6b6d/library/std/src/sys/pal/unix/thread.rs:108:17
[INFO] [stdout]   34: <unknown>
[INFO] [stdout]   35: __clone
[INFO] [stdout] stack backtrace:
[INFO] [stdout]    0:     0x55815bf2a915 - std::backtrace_rs::backtrace::libunwind::trace::he49dc9a9e3164223
[INFO] [stdout]                                at /rustc/b642703cf9526da1e72c0b6755753b939a9c6b6d/library/std/src/../../backtrace/src/backtrace/libunwind.rs:105:5
[INFO] [stdout]    1:     0x55815bf2a915 - std::backtrace_rs::backtrace::trace_unsynchronized::h3a3e77c68030aa6b
[INFO] [stdout]                                at /rustc/b642703cf9526da1e72c0b6755753b939a9c6b6d/library/std/src/../../backtrace/src/backtrace/mod.rs:66:5
[INFO] [stdout]    2:     0x55815bf2a915 - std::sys_common::backtrace::_print_fmt::h9479ad2f99afd5d4
[INFO] [stdout]                                at /rustc/b642703cf9526da1e72c0b6755753b939a9c6b6d/library/std/src/sys_common/backtrace.rs:68:5
[INFO] [stdout]    3:     0x55815bf2a915 - <std::sys_common::backtrace::_print::DisplayBacktrace as core::fmt::Display>::fmt::hfb01aa1fa3fb1821
[INFO] [stdout]                                at /rustc/b642703cf9526da1e72c0b6755753b939a9c6b6d/library/std/src/sys_common/backtrace.rs:44:22
[INFO] [stdout]    4:     0x55815bf53beb - core::fmt::rt::Argument::fmt::h125e56152abbc1c3
[INFO] [stdout]                                at /rustc/b642703cf9526da1e72c0b6755753b939a9c6b6d/library/core/src/fmt/rt.rs:165:63
[INFO] [stdout]    5:     0x55815bf53beb - core::fmt::write::hb0ab4ff05ccfe741
[INFO] [stdout]                                at /rustc/b642703cf9526da1e72c0b6755753b939a9c6b6d/library/core/src/fmt/mod.rs:1169:21
[INFO] [stdout]    6:     0x55815bf27bcf - std::io::Write::write_fmt::hea6336dbf2fa00b8
[INFO] [stdout]                                at /rustc/b642703cf9526da1e72c0b6755753b939a9c6b6d/library/std/src/io/mod.rs:1835:15
[INFO] [stdout]    7:     0x55815bf2a6ee - std::sys_common::backtrace::_print::h79ca548f3a2adf4b
[INFO] [stdout]                                at /rustc/b642703cf9526da1e72c0b6755753b939a9c6b6d/library/std/src/sys_common/backtrace.rs:47:5
[INFO] [stdout]    8:     0x55815bf2a6ee - std::sys_common::backtrace::print::h9aebf997b2fea2d3
[INFO] [stdout]                                at /rustc/b642703cf9526da1e72c0b6755753b939a9c6b6d/library/std/src/sys_common/backtrace.rs:34:9
[INFO] [stdout]    9:     0x55815bf2c059 - std::panicking::default_hook::{{closure}}::h68a0954af2694526
[INFO] [stdout]   10:     0x55815bf2bdac - std::panicking::default_hook::h5be50cc6849ffb00
[INFO] [stdout]                                at /rustc/b642703cf9526da1e72c0b6755753b939a9c6b6d/library/std/src/panicking.rs:295:9
[INFO] [stdout]   11:     0x55815bd3fd4f - <alloc::boxed::Box<F,A> as core::ops::function::Fn<Args>>::call::hd874405dcbd1d3ed
[INFO] [stdout]                                at /rustc/b642703cf9526da1e72c0b6755753b939a9c6b6d/library/alloc/src/boxed.rs:2036:9
[INFO] [stdout]   12:     0x55815bd3fd4f - test::test_main::{{closure}}::h4f26a9df34a84b94
[INFO] [stdout]                                at /rustc/b642703cf9526da1e72c0b6755753b939a9c6b6d/library/test/src/lib.rs:137:21
[INFO] [stdout]   13:     0x55815bf2c65b - <alloc::boxed::Box<F,A> as core::ops::function::Fn<Args>>::call::h00e96d9c62aa9a12
[INFO] [stdout]                                at /rustc/b642703cf9526da1e72c0b6755753b939a9c6b6d/library/alloc/src/boxed.rs:2036:9
[INFO] [stdout]   14:     0x55815bf2c65b - std::panicking::rust_panic_with_hook::h3c0df6036729334c
[INFO] [stdout]                                at /rustc/b642703cf9526da1e72c0b6755753b939a9c6b6d/library/std/src/panicking.rs:799:13
[INFO] [stdout]   15:     0x55815bf2c3d4 - std::panicking::begin_panic_handler::{{closure}}::ha3a21e93c4cfd807
[INFO] [stdout]                                at /rustc/b642703cf9526da1e72c0b6755753b939a9c6b6d/library/std/src/panicking.rs:664:13
[INFO] [stdout]   16:     0x55815bf2add9 - std::sys_common::backtrace::__rust_end_short_backtrace::h19508a8f8ae71dc9
[INFO] [stdout]                                at /rustc/b642703cf9526da1e72c0b6755753b939a9c6b6d/library/std/src/sys_common/backtrace.rs:171:18
[INFO] [stdout]   17:     0x55815bf2c107 - rust_begin_unwind
[INFO] [stdout]                                at /rustc/b642703cf9526da1e72c0b6755753b939a9c6b6d/library/std/src/panicking.rs:652:5
[INFO] [stdout]   18:     0x55815ba9b2b3 - core::panicking::panic_fmt::h2ba8af99174d83ea
[INFO] [stdout]                                at /rustc/b642703cf9526da1e72c0b6755753b939a9c6b6d/library/core/src/panicking.rs:72:14
[INFO] [stdout]   19:     0x55815ba9b806 - core::result::unwrap_failed::h52f3bbb78b59f71d
[INFO] [stdout]                                at /rustc/b642703cf9526da1e72c0b6755753b939a9c6b6d/library/core/src/result.rs:1654:5
[INFO] [stdout]   20:     0x55815bca635a - core::result::Result<T,E>::unwrap::h12d33d75ca13dd03
[INFO] [stdout]                                at /rustc/b642703cf9526da1e72c0b6755753b939a9c6b6d/library/core/src/result.rs:1077:23
[INFO] [stdout]   21:     0x55815bca635a - maelstrom_layer_fs::tests::Fixture::mount::{{closure}}::h76f7f34a1afa1da4
[INFO] [stdout]                                at /opt/rustwide/workdir/src/lib.rs:1175:13
[INFO] [stdout]   22:     0x55815bcadf73 - maelstrom_layer_fs::tests::two_layer_test::{{closure}}::hf53889b09a73f9cb
[INFO] [stdout]                                at /opt/rustwide/workdir/src/lib.rs:1537:48
[INFO] [stdout]   23:     0x55815bcbe3d5 - maelstrom_layer_fs::tests::two_layer_replace_dir_with_file::{{closure}}::h20cbf264b86ef12f
[INFO] [stdout]                                at /opt/rustwide/workdir/src/lib.rs:1659:10
[INFO] [stdout]   24:     0x55815bc89d52 - <core::pin::Pin<P> as core::future::future::Future>::poll::h6a85ffe21b2c4c95
[INFO] [stdout]                                at /rustc/b642703cf9526da1e72c0b6755753b939a9c6b6d/library/core/src/future/future.rs:123:9
[INFO] [stdout]   25:     0x55815bc89ccd - <core::pin::Pin<P> as core::future::future::Future>::poll::h3a17e493fe70644b
[INFO] [stdout]                                at /rustc/b642703cf9526da1e72c0b6755753b939a9c6b6d/library/core/src/future/future.rs:123:9
[INFO] [stdout]   26:     0x55815bc70c2f - tokio::runtime::scheduler::current_thread::CoreGuard::block_on::{{closure}}::{{closure}}::{{closure}}::hbcae7a313f3c6152
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/tokio-1.37.0/src/runtime/scheduler/current_thread/mod.rs:659:57
[INFO] [stdout]   27:     0x55815bc70b65 - tokio::runtime::coop::with_budget::h5ac2764e228d0de6
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/tokio-1.37.0/src/runtime/coop.rs:107:5
[INFO] [stdout]   28:     0x55815bc70b65 - tokio::runtime::coop::budget::hc658c8e4cb0a0c8d
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/tokio-1.37.0/src/runtime/coop.rs:73:5
[INFO] [stdout]   29:     0x55815bc70b65 - tokio::runtime::scheduler::current_thread::CoreGuard::block_on::{{closure}}::{{closure}}::h12e10693abf9f854
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/tokio-1.37.0/src/runtime/scheduler/current_thread/mod.rs:659:25
[INFO] [stdout]   30:     0x55815bc6f650 - tokio::runtime::scheduler::current_thread::Context::enter::h1a25ea7e5529a0a0
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/tokio-1.37.0/src/runtime/scheduler/current_thread/mod.rs:404:19
[INFO] [stdout]   31:     0x55815bc703eb - tokio::runtime::scheduler::current_thread::CoreGuard::block_on::{{closure}}::h938371df17317d12
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/tokio-1.37.0/src/runtime/scheduler/current_thread/mod.rs:658:36
[INFO] [stdout]   32:     0x55815bc70164 - tokio::runtime::scheduler::current_thread::CoreGuard::enter::{{closure}}::h23361fef9920aca5
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/tokio-1.37.0/src/runtime/scheduler/current_thread/mod.rs:737:68
[INFO] [stdout]   33:     0x55815bc351fb - tokio::runtime::context::scoped::Scoped<T>::set::hfcf659facfad285b
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/tokio-1.37.0/src/runtime/context/scoped.rs:40:9
[INFO] [stdout]   34:     0x55815bb3e999 - tokio::runtime::context::set_scheduler::{{closure}}::h2fae601fb4a4e825
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/tokio-1.37.0/src/runtime/context.rs:176:26
[INFO] [stdout]   35:     0x55815bc945a0 - std::thread::local::LocalKey<T>::try_with::hfb57897efafa1ada
[INFO] [stdout]                                at /rustc/b642703cf9526da1e72c0b6755753b939a9c6b6d/library/std/src/thread/local.rs:286:12
[INFO] [stdout]   36:     0x55815bc92c5a - std::thread::local::LocalKey<T>::with::h943317245f47db8c
[INFO] [stdout]                                at /rustc/b642703cf9526da1e72c0b6755753b939a9c6b6d/library/std/src/thread/local.rs:262:9
[INFO] [stdout]   37:     0x55815bb3e94d - tokio::runtime::context::set_scheduler::hf044fc79721ae8bb
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/tokio-1.37.0/src/runtime/context.rs:176:9
[INFO] [stdout]   38:     0x55815bc6ff10 - tokio::runtime::scheduler::current_thread::CoreGuard::enter::h4f1e663cea134727
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/tokio-1.37.0/src/runtime/scheduler/current_thread/mod.rs:737:27
[INFO] [stdout]   39:     0x55815bc70183 - tokio::runtime::scheduler::current_thread::CoreGuard::block_on::h1765e4a6caf65d57
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/tokio-1.37.0/src/runtime/scheduler/current_thread/mod.rs:646:19
[INFO] [stdout]   40:     0x55815bc6cf33 - tokio::runtime::scheduler::current_thread::CurrentThread::block_on::{{closure}}::h80daa66651dbb412
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/tokio-1.37.0/src/runtime/scheduler/current_thread/mod.rs:175:28
[INFO] [stdout]   41:     0x55815bc370d6 - tokio::runtime::context::runtime::enter_runtime::hcd80078119a75897
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/tokio-1.37.0/src/runtime/context/runtime.rs:65:16
[INFO] [stdout]   42:     0x55815bc6ce91 - tokio::runtime::scheduler::current_thread::CurrentThread::block_on::h0f169576765c3721
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/tokio-1.37.0/src/runtime/scheduler/current_thread/mod.rs:167:9
[INFO] [stdout]   43:     0x55815bc8865d - tokio::runtime::runtime::Runtime::block_on::hfd88ea622e450ffa
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/tokio-1.37.0/src/runtime/runtime.rs:349:47
[INFO] [stdout]   44:     0x55815bcbdc10 - maelstrom_layer_fs::tests::two_layer_replace_dir_with_file::hc92bc4548c1c21aa
[INFO] [stdout]                                at /opt/rustwide/workdir/src/lib.rs:1651:9
[INFO] [stdout]   45:     0x55815bcbdaa7 - maelstrom_layer_fs::tests::two_layer_replace_dir_with_file::{{closure}}::h42f92415b0b0d069
[INFO] [stdout]                                at /opt/rustwide/workdir/src/lib.rs:1650:47
[INFO] [stdout]   46:     0x55815ba9dd26 - core::ops::function::FnOnce::call_once::h54af958ebfba2c2a
[INFO] [stdout]                                at /rustc/b642703cf9526da1e72c0b6755753b939a9c6b6d/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   47:     0x55815bd4466b - core::ops::function::FnOnce::call_once::h18c6bf92212b87a4
[INFO] [stdout]                                at /rustc/b642703cf9526da1e72c0b6755753b939a9c6b6d/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   48:     0x55815bd4466b - test::__rust_begin_short_backtrace::hdcf0edcfa9080086
[INFO] [stdout]                                at /rustc/b642703cf9526da1e72c0b6755753b939a9c6b6d/library/test/src/lib.rs:625:18
[INFO] [stdout]   49:     0x55815bd43d31 - test::run_test_in_process::{{closure}}::heac2c4eb375d2d10
[INFO] [stdout]                                at /rustc/b642703cf9526da1e72c0b6755753b939a9c6b6d/library/test/src/lib.rs:648:60
[INFO] [stdout]   50:     0x55815bd43d31 - <core::panic::unwind_safe::AssertUnwindSafe<F> as core::ops::function::FnOnce<()>>::call_once::h0289bafc8a1cc004
[INFO] [stdout]                                at /rustc/b642703cf9526da1e72c0b6755753b939a9c6b6d/library/core/src/panic/unwind_safe.rs:272:9
[INFO] [stdout]   51:     0x55815bd43d31 - std::panicking::try::do_call::h5e158f1ad8a5f983
[INFO] [stdout]                                at /rustc/b642703cf9526da1e72c0b6755753b939a9c6b6d/library/std/src/panicking.rs:559:40
[INFO] [stdout]   52:     0x55815bd43d31 - std::panicking::try::hea3411d60321c4de
[INFO] [stdout]                                at /rustc/b642703cf9526da1e72c0b6755753b939a9c6b6d/library/std/src/panicking.rs:523:19
[INFO] [stdout]   53:     0x55815bd43d31 - std::panic::catch_unwind::hafb7bb18bc47bbc7
[INFO] [stdout]                                at /rustc/b642703cf9526da1e72c0b6755753b939a9c6b6d/library/std/src/panic.rs:149:14
[INFO] [stdout]   54:     0x55815bd43d31 - test::run_test_in_process::h74dd138dc7762d99
[INFO] [stdout]                                at /rustc/b642703cf9526da1e72c0b6755753b939a9c6b6d/library/test/src/lib.rs:648:27
[INFO] [stdout]   55:     0x55815bd43d31 - test::run_test::{{closure}}::h6b390822e63606cf
[INFO] [stdout]                                at /rustc/b642703cf9526da1e72c0b6755753b939a9c6b6d/library/test/src/lib.rs:569:43
[INFO] [stdout]   56:     0x55815bd0c704 - test::run_test::{{closure}}::h6e11dba8131d354b
[INFO] [stdout]                                at /rustc/b642703cf9526da1e72c0b6755753b939a9c6b6d/library/test/src/lib.rs:599:41
[INFO] [stdout]   57:     0x55815bd0c704 - std::sys_common::backtrace::__rust_begin_short_backtrace::ha71b3541b59bdbbb
[INFO] [stdout]                                at /rustc/b642703cf9526da1e72c0b6755753b939a9c6b6d/library/std/src/sys_common/backtrace.rs:155:18
[INFO] [stdout]   58:     0x55815bd111d2 - std::thread::Builder::spawn_unchecked_::{{closure}}::{{closure}}::hef92127c5ef9e53c
[INFO] [stdout]                                at /rustc/b642703cf9526da1e72c0b6755753b939a9c6b6d/library/std/src/thread/mod.rs:542:17
[INFO] [stdout]   59:     0x55815bd111d2 - <core::panic::unwind_safe::AssertUnwindSafe<F> as core::ops::function::FnOnce<()>>::call_once::h859c109f9d11c92b
[INFO] [stdout]                                at /rustc/b642703cf9526da1e72c0b6755753b939a9c6b6d/library/core/src/panic/unwind_safe.rs:272:9
[INFO] [stdout]   60:     0x55815bd111d2 - std::panicking::try::do_call::hbf534c458cd858f0
[INFO] [stdout]                                at /rustc/b642703cf9526da1e72c0b6755753b939a9c6b6d/library/std/src/panicking.rs:559:40
[INFO] [stdout]   61:     0x55815bd111d2 - std::panicking::try::h65c18365a7b9ad90
[INFO] [stdout]                                at /rustc/b642703cf9526da1e72c0b6755753b939a9c6b6d/library/std/src/panicking.rs:523:19
[INFO] [stdout]   62:     0x55815bd111d2 - std::panic::catch_unwind::h21b25d4c69478c39
[INFO] [stdout]                                at /rustc/b642703cf9526da1e72c0b6755753b939a9c6b6d/library/std/src/panic.rs:149:14
[INFO] [stdout]   63:     0x55815bd111d2 - std::thread::Builder::spawn_unchecked_::{{closure}}::h23335f620275a9bf
[INFO] [stdout]                                at /rustc/b642703cf9526da1e72c0b6755753b939a9c6b6d/library/std/src/thread/mod.rs:541:30
[INFO] [stdout]   64:     0x55815bd111d2 - core::ops::function::FnOnce::call_once{{vtable.shim}}::hb491dc55513e9b7c
[INFO] [stdout]                                at /rustc/b642703cf9526da1e72c0b6755753b939a9c6b6d/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   65:     0x55815bf321ab - <alloc::boxed::Box<F,A> as core::ops::function::FnOnce<Args>>::call_once::h41b39260afcffdc9
[INFO] [stdout]                                at /rustc/b642703cf9526da1e72c0b6755753b939a9c6b6d/library/alloc/src/boxed.rs:2022:9
[INFO] [stdout]   66:     0x55815bf321ab - <alloc::boxed::Box<F,A> as core::ops::function::FnOnce<Args>>::call_once::h6694c8dc6dd010c4
[INFO] [stdout]                                at /rustc/b642703cf9526da1e72c0b6755753b939a9c6b6d/library/alloc/src/boxed.rs:2022:9
[INFO] [stdout]   67:     0x55815bf321ab - std::sys::pal::unix::thread::Thread::new::thread_start::hf16038e1c8e19c99
[INFO] [stdout]                                at /rustc/b642703cf9526da1e72c0b6755753b939a9c6b6d/library/std/src/sys/pal/unix/thread.rs:108:17
[INFO] [stdout]   68:     0x7f5a291c4ac3 - <unknown>
[INFO] [stdout]   69:     0x7f5a29255a04 - __clone
[INFO] [stdout]   70:                0x0 - <unknown>
[INFO] [stdout] 
[INFO] [stdout] ---- tests::two_layer_replace_file_with_dir stdout ----
[INFO] [stdout] May 25 05:24:00.957 DEBG mounting FUSE file-system in namespace
[INFO] [stdout] thread 'tests::two_layer_replace_file_with_dir' panicked at src/lib.rs:1178:18:
[INFO] [stdout] called `Result::unwrap()` on an `Err` value: ENOSYS: Function not implemented
[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/index.crates.io-6f17d22bba15001f/anyhow-1.0.82/src/backtrace.rs:27:14
[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/b642703cf9526da1e72c0b6755753b939a9c6b6d/library/core/src/result.rs:1964:27
[INFO] [stdout]    2: maelstrom_fuse::fuse_mount_namespace::{{closure}}::{{closure}}
[INFO] [stdout]              at /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/maelstrom-fuse-0.8.0/src/lib.rs:127:27
[INFO] [stdout]    3: <tokio::runtime::blocking::task::BlockingTask<T> as core::future::future::Future>::poll
[INFO] [stdout]              at /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/tokio-1.37.0/src/runtime/blocking/task.rs:42:21
[INFO] [stdout]    4: tokio::runtime::task::core::Core<T,S>::poll::{{closure}}
[INFO] [stdout]              at /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/tokio-1.37.0/src/runtime/task/core.rs:328:17
[INFO] [stdout]    5: tokio::loom::std::unsafe_cell::UnsafeCell<T>::with_mut
[INFO] [stdout]              at /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/tokio-1.37.0/src/loom/std/unsafe_cell.rs:16:9
[INFO] [stdout]    6: tokio::runtime::task::core::Core<T,S>::poll
[INFO] [stdout]              at /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/tokio-1.37.0/src/runtime/task/core.rs:317:13
[INFO] [stdout]    7: tokio::runtime::task::harness::poll_future::{{closure}}
[INFO] [stdout]              at /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/tokio-1.37.0/src/runtime/task/harness.rs:485:19
[INFO] [stdout]    8: <core::panic::unwind_safe::AssertUnwindSafe<F> as core::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]              at /rustc/b642703cf9526da1e72c0b6755753b939a9c6b6d/library/core/src/panic/unwind_safe.rs:272:9
[INFO] [stdout]    9: std::panicking::try::do_call
[INFO] [stdout]              at /rustc/b642703cf9526da1e72c0b6755753b939a9c6b6d/library/std/src/panicking.rs:559:40
[INFO] [stdout]   10: __rust_try
[INFO] [stdout]   11: std::panicking::try
[INFO] [stdout]              at /rustc/b642703cf9526da1e72c0b6755753b939a9c6b6d/library/std/src/panicking.rs:523:19
[INFO] [stdout]   12: std::panic::catch_unwind
[INFO] [stdout]              at /rustc/b642703cf9526da1e72c0b6755753b939a9c6b6d/library/std/src/panic.rs:149:14
[INFO] [stdout]   13: tokio::runtime::task::harness::poll_future
[INFO] [stdout]              at /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/tokio-1.37.0/src/runtime/task/harness.rs:473:18
[INFO] [stdout]   14: tokio::runtime::task::harness::Harness<T,S>::poll_inner
[INFO] [stdout]              at /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/tokio-1.37.0/src/runtime/task/harness.rs:208:27
[INFO] [stdout]   15: tokio::runtime::task::harness::Harness<T,S>::poll
[INFO] [stdout]              at /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/tokio-1.37.0/src/runtime/task/harness.rs:153:15
[INFO] [stdout]   16: tokio::runtime::task::raw::poll
[INFO] [stdout]              at /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/tokio-1.37.0/src/runtime/task/raw.rs:271:5
[INFO] [stdout]   17: tokio::runtime::task::raw::RawTask::poll
[INFO] [stdout]              at /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/tokio-1.37.0/src/runtime/task/raw.rs:201:18
[INFO] [stdout]   18: tokio::runtime::task::UnownedTask<S>::run
[INFO] [stdout]              at /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/tokio-1.37.0/src/runtime/task/mod.rs:464:9
[INFO] [stdout]   19: tokio::runtime::blocking::pool::Task::run
[INFO] [stdout]              at /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/tokio-1.37.0/src/runtime/blocking/pool.rs:159:9
[INFO] [stdout]   20: tokio::runtime::blocking::pool::Inner::run
[INFO] [stdout]              at /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/tokio-1.37.0/src/runtime/blocking/pool.rs:513:17
[INFO] [stdout]   21: tokio::runtime::blocking::pool::Spawner::spawn_thread::{{closure}}
[INFO] [stdout]              at /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/tokio-1.37.0/src/runtime/blocking/pool.rs:471:13
[INFO] [stdout]   22: std::sys_common::backtrace::__rust_begin_short_backtrace
[INFO] [stdout]              at /rustc/b642703cf9526da1e72c0b6755753b939a9c6b6d/library/std/src/sys_common/backtrace.rs:155:18
[INFO] [stdout]   23: std::thread::Builder::spawn_unchecked_::{{closure}}::{{closure}}
[INFO] [stdout]              at /rustc/b642703cf9526da1e72c0b6755753b939a9c6b6d/library/std/src/thread/mod.rs:542:17
[INFO] [stdout]   24: <core::panic::unwind_safe::AssertUnwindSafe<F> as core::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]              at /rustc/b642703cf9526da1e72c0b6755753b939a9c6b6d/library/core/src/panic/unwind_safe.rs:272:9
[INFO] [stdout]   25: std::panicking::try::do_call
[INFO] [stdout]              at /rustc/b642703cf9526da1e72c0b6755753b939a9c6b6d/library/std/src/panicking.rs:559:40
[INFO] [stdout]   26: __rust_try
[INFO] [stdout]   27: std::panicking::try
[INFO] [stdout]              at /rustc/b642703cf9526da1e72c0b6755753b939a9c6b6d/library/std/src/panicking.rs:523:19
[INFO] [stdout]   28: std::panic::catch_unwind
[INFO] [stdout]              at /rustc/b642703cf9526da1e72c0b6755753b939a9c6b6d/library/std/src/panic.rs:149:14
[INFO] [stdout]   29: std::thread::Builder::spawn_unchecked_::{{closure}}
[INFO] [stdout]              at /rustc/b642703cf9526da1e72c0b6755753b939a9c6b6d/library/std/src/thread/mod.rs:541:30
[INFO] [stdout]   30: core::ops::function::FnOnce::call_once{{vtable.shim}}
[INFO] [stdout]              at /rustc/b642703cf9526da1e72c0b6755753b939a9c6b6d/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   31: <alloc::boxed::Box<F,A> as core::ops::function::FnOnce<Args>>::call_once
[INFO] [stdout]              at /rustc/b642703cf9526da1e72c0b6755753b939a9c6b6d/library/alloc/src/boxed.rs:2022:9
[INFO] [stdout]   32: <alloc::boxed::Box<F,A> as core::ops::function::FnOnce<Args>>::call_once
[INFO] [stdout]              at /rustc/b642703cf9526da1e72c0b6755753b939a9c6b6d/library/alloc/src/boxed.rs:2022:9
[INFO] [stdout]   33: std::sys::pal::unix::thread::Thread::new::thread_start
[INFO] [stdout]              at /rustc/b642703cf9526da1e72c0b6755753b939a9c6b6d/library/std/src/sys/pal/unix/thread.rs:108:17
[INFO] [stdout]   34: <unknown>
[INFO] [stdout]   35: __clone
[INFO] [stdout] stack backtrace:
[INFO] [stdout]    0:     0x55815bf2a915 - std::backtrace_rs::backtrace::libunwind::trace::he49dc9a9e3164223
[INFO] [stdout]                                at /rustc/b642703cf9526da1e72c0b6755753b939a9c6b6d/library/std/src/../../backtrace/src/backtrace/libunwind.rs:105:5
[INFO] [stdout]    1:     0x55815bf2a915 - std::backtrace_rs::backtrace::trace_unsynchronized::h3a3e77c68030aa6b
[INFO] [stdout]                                at /rustc/b642703cf9526da1e72c0b6755753b939a9c6b6d/library/std/src/../../backtrace/src/backtrace/mod.rs:66:5
[INFO] [stdout]    2:     0x55815bf2a915 - std::sys_common::backtrace::_print_fmt::h9479ad2f99afd5d4
[INFO] [stdout]                                at /rustc/b642703cf9526da1e72c0b6755753b939a9c6b6d/library/std/src/sys_common/backtrace.rs:68:5
[INFO] [stdout]    3:     0x55815bf2a915 - <std::sys_common::backtrace::_print::DisplayBacktrace as core::fmt::Display>::fmt::hfb01aa1fa3fb1821
[INFO] [stdout]                                at /rustc/b642703cf9526da1e72c0b6755753b939a9c6b6d/library/std/src/sys_common/backtrace.rs:44:22
[INFO] [stdout]    4:     0x55815bf53beb - core::fmt::rt::Argument::fmt::h125e56152abbc1c3
[INFO] [stdout]                                at /rustc/b642703cf9526da1e72c0b6755753b939a9c6b6d/library/core/src/fmt/rt.rs:165:63
[INFO] [stdout]    5:     0x55815bf53beb - core::fmt::write::hb0ab4ff05ccfe741
[INFO] [stdout]                                at /rustc/b642703cf9526da1e72c0b6755753b939a9c6b6d/library/core/src/fmt/mod.rs:1169:21
[INFO] [stdout]    6:     0x55815bf27bcf - std::io::Write::write_fmt::hea6336dbf2fa00b8
[INFO] [stdout]                                at /rustc/b642703cf9526da1e72c0b6755753b939a9c6b6d/library/std/src/io/mod.rs:1835:15
[INFO] [stdout]    7:     0x55815bf2a6ee - std::sys_common::backtrace::_print::h79ca548f3a2adf4b
[INFO] [stdout]                                at /rustc/b642703cf9526da1e72c0b6755753b939a9c6b6d/library/std/src/sys_common/backtrace.rs:47:5
[INFO] [stdout]    8:     0x55815bf2a6ee - std::sys_common::backtrace::print::h9aebf997b2fea2d3
[INFO] [stdout]                                at /rustc/b642703cf9526da1e72c0b6755753b939a9c6b6d/library/std/src/sys_common/backtrace.rs:34:9
[INFO] [stdout]    9:     0x55815bf2c059 - std::panicking::default_hook::{{closure}}::h68a0954af2694526
[INFO] [stdout]   10:     0x55815bf2bdac - std::panicking::default_hook::h5be50cc6849ffb00
[INFO] [stdout]                                at /rustc/b642703cf9526da1e72c0b6755753b939a9c6b6d/library/std/src/panicking.rs:295:9
[INFO] [stdout]   11:     0x55815bd3fd4f - <alloc::boxed::Box<F,A> as core::ops::function::Fn<Args>>::call::hd874405dcbd1d3ed
[INFO] [stdout]                                at /rustc/b642703cf9526da1e72c0b6755753b939a9c6b6d/library/alloc/src/boxed.rs:2036:9
[INFO] [stdout]   12:     0x55815bd3fd4f - test::test_main::{{closure}}::h4f26a9df34a84b94
[INFO] [stdout]                                at /rustc/b642703cf9526da1e72c0b6755753b939a9c6b6d/library/test/src/lib.rs:137:21
[INFO] [stdout]   13:     0x55815bf2c65b - <alloc::boxed::Box<F,A> as core::ops::function::Fn<Args>>::call::h00e96d9c62aa9a12
[INFO] [stdout]                                at /rustc/b642703cf9526da1e72c0b6755753b939a9c6b6d/library/alloc/src/boxed.rs:2036:9
[INFO] [stdout]   14:     0x55815bf2c65b - std::panicking::rust_panic_with_hook::h3c0df6036729334c
[INFO] [stdout]                                at /rustc/b642703cf9526da1e72c0b6755753b939a9c6b6d/library/std/src/panicking.rs:799:13
[INFO] [stdout]   15:     0x55815bf2c3d4 - std::panicking::begin_panic_handler::{{closure}}::ha3a21e93c4cfd807
[INFO] [stdout]                                at /rustc/b642703cf9526da1e72c0b6755753b939a9c6b6d/library/std/src/panicking.rs:664:13
[INFO] [stdout]   16:     0x55815bf2add9 - std::sys_common::backtrace::__rust_end_short_backtrace::h19508a8f8ae71dc9
[INFO] [stdout]                                at /rustc/b642703cf9526da1e72c0b6755753b939a9c6b6d/library/std/src/sys_common/backtrace.rs:171:18
[INFO] [stdout]   17:     0x55815bf2c107 - rust_begin_unwind
[INFO] [stdout]                                at /rustc/b642703cf9526da1e72c0b6755753b939a9c6b6d/library/std/src/panicking.rs:652:5
[INFO] [stdout]   18:     0x55815ba9b2b3 - core::panicking::panic_fmt::h2ba8af99174d83ea
[INFO] [stdout]                                at /rustc/b642703cf9526da1e72c0b6755753b939a9c6b6d/library/core/src/panicking.rs:72:14
[INFO] [stdout]   19:     0x55815ba9b806 - core::result::unwrap_failed::h52f3bbb78b59f71d
[INFO] [stdout]                                at /rustc/b642703cf9526da1e72c0b6755753b939a9c6b6d/library/core/src/result.rs:1654:5
[INFO] [stdout]   20:     0x55815bca635a - core::result::Result<T,E>::unwrap::h12d33d75ca13dd03
[INFO] [stdout]                                at /rustc/b642703cf9526da1e72c0b6755753b939a9c6b6d/library/core/src/result.rs:1077:23
[INFO] [stdout]   21:     0x55815bca635a - maelstrom_layer_fs::tests::Fixture::mount::{{closure}}::h76f7f34a1afa1da4
[INFO] [stdout]                                at /opt/rustwide/workdir/src/lib.rs:1175:13
[INFO] [stdout]   22:     0x55815bcadf73 - maelstrom_layer_fs::tests::two_layer_test::{{closure}}::hf53889b09a73f9cb
[INFO] [stdout]                                at /opt/rustwide/workdir/src/lib.rs:1537:48
[INFO] [stdout]   23:     0x55815bcbef4a - maelstrom_layer_fs::tests::two_layer_replace_file_with_dir::{{closure}}::hf3e7afec61b60f4e
[INFO] [stdout]                                at /opt/rustwide/workdir/src/lib.rs:1673:10
[INFO] [stdout]   24:     0x55815bc89d52 - <core::pin::Pin<P> as core::future::future::Future>::poll::h6a85ffe21b2c4c95
[INFO] [stdout]                                at /rustc/b642703cf9526da1e72c0b6755753b939a9c6b6d/library/core/src/future/future.rs:123:9
[INFO] [stdout]   25:     0x55815bc89ccd - <core::pin::Pin<P> as core::future::future::Future>::poll::h3a17e493fe70644b
[INFO] [stdout]                                at /rustc/b642703cf9526da1e72c0b6755753b939a9c6b6d/library/core/src/future/future.rs:123:9
[INFO] [stdout]   26:     0x55815bc70c2f - tokio::runtime::scheduler::current_thread::CoreGuard::block_on::{{closure}}::{{closure}}::{{closure}}::hbcae7a313f3c6152
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/tokio-1.37.0/src/runtime/scheduler/current_thread/mod.rs:659:57
[INFO] [stdout]   27:     0x55815bc70b65 - tokio::runtime::coop::with_budget::h5ac2764e228d0de6
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/tokio-1.37.0/src/runtime/coop.rs:107:5
[INFO] [stdout]   28:     0x55815bc70b65 - tokio::runtime::coop::budget::hc658c8e4cb0a0c8d
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/tokio-1.37.0/src/runtime/coop.rs:73:5
[INFO] [stdout]   29:     0x55815bc70b65 - tokio::runtime::scheduler::current_thread::CoreGuard::block_on::{{closure}}::{{closure}}::h12e10693abf9f854
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/tokio-1.37.0/src/runtime/scheduler/current_thread/mod.rs:659:25
[INFO] [stdout]   30:     0x55815bc6f650 - tokio::runtime::scheduler::current_thread::Context::enter::h1a25ea7e5529a0a0
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/tokio-1.37.0/src/runtime/scheduler/current_thread/mod.rs:404:19
[INFO] [stdout]   31:     0x55815bc703eb - tokio::runtime::scheduler::current_thread::CoreGuard::block_on::{{closure}}::h938371df17317d12
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/tokio-1.37.0/src/runtime/scheduler/current_thread/mod.rs:658:36
[INFO] [stdout]   32:     0x55815bc70164 - tokio::runtime::scheduler::current_thread::CoreGuard::enter::{{closure}}::h23361fef9920aca5
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/tokio-1.37.0/src/runtime/scheduler/current_thread/mod.rs:737:68
[INFO] [stdout]   33:     0x55815bc351fb - tokio::runtime::context::scoped::Scoped<T>::set::hfcf659facfad285b
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/tokio-1.37.0/src/runtime/context/scoped.rs:40:9
[INFO] [stdout]   34:     0x55815bb3e999 - tokio::runtime::context::set_scheduler::{{closure}}::h2fae601fb4a4e825
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/tokio-1.37.0/src/runtime/context.rs:176:26
[INFO] [stdout]   35:     0x55815bc945a0 - std::thread::local::LocalKey<T>::try_with::hfb57897efafa1ada
[INFO] [stdout]                                at /rustc/b642703cf9526da1e72c0b6755753b939a9c6b6d/library/std/src/thread/local.rs:286:12
[INFO] [stdout]   36:     0x55815bc92c5a - std::thread::local::LocalKey<T>::with::h943317245f47db8c
[INFO] [stdout]                                at /rustc/b642703cf9526da1e72c0b6755753b939a9c6b6d/library/std/src/thread/local.rs:262:9
[INFO] [stdout]   37:     0x55815bb3e94d - tokio::runtime::context::set_scheduler::hf044fc79721ae8bb
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/tokio-1.37.0/src/runtime/context.rs:176:9
[INFO] [stdout]   38:     0x55815bc6ff10 - tokio::runtime::scheduler::current_thread::CoreGuard::enter::h4f1e663cea134727
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/tokio-1.37.0/src/runtime/scheduler/current_thread/mod.rs:737:27
[INFO] [stdout]   39:     0x55815bc70183 - tokio::runtime::scheduler::current_thread::CoreGuard::block_on::h1765e4a6caf65d57
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/tokio-1.37.0/src/runtime/scheduler/current_thread/mod.rs:646:19
[INFO] [stdout]   40:     0x55815bc6cf33 - tokio::runtime::scheduler::current_thread::CurrentThread::block_on::{{closure}}::h80daa66651dbb412
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/tokio-1.37.0/src/runtime/scheduler/current_thread/mod.rs:175:28
[INFO] [stdout]   41:     0x55815bc370d6 - tokio::runtime::context::runtime::enter_runtime::hcd80078119a75897
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/tokio-1.37.0/src/runtime/context/runtime.rs:65:16
[INFO] [stdout]   42:     0x55815bc6ce91 - tokio::runtime::scheduler::current_thread::CurrentThread::block_on::h0f169576765c3721
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/tokio-1.37.0/src/runtime/scheduler/current_thread/mod.rs:167:9
[INFO] [stdout]   43:     0x55815bc8865d - tokio::runtime::runtime::Runtime::block_on::hfd88ea622e450ffa
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/tokio-1.37.0/src/runtime/runtime.rs:349:47
[INFO] [stdout]   44:     0x55815bcbe5d0 - maelstrom_layer_fs::tests::two_layer_replace_file_with_dir::hfa14d0ffb2285543
[INFO] [stdout]                                at /opt/rustwide/workdir/src/lib.rs:1664:9
[INFO] [stdout]   45:     0x55815bcbe467 - maelstrom_layer_fs::tests::two_layer_replace_file_with_dir::{{closure}}::h5c45d20416dc0a91
[INFO] [stdout]                                at /opt/rustwide/workdir/src/lib.rs:1663:47
[INFO] [stdout]   46:     0x55815ba9ce96 - core::ops::function::FnOnce::call_once::h268c3851e548077d
[INFO] [stdout]                                at /rustc/b642703cf9526da1e72c0b6755753b939a9c6b6d/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   47:     0x55815bd4466b - core::ops::function::FnOnce::call_once::h18c6bf92212b87a4
[INFO] [stdout]                                at /rustc/b642703cf9526da1e72c0b6755753b939a9c6b6d/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   48:     0x55815bd4466b - test::__rust_begin_short_backtrace::hdcf0edcfa9080086
[INFO] [stdout]                                at /rustc/b642703cf9526da1e72c0b6755753b939a9c6b6d/library/test/src/lib.rs:625:18
[INFO] [stdout]   49:     0x55815bd43d31 - test::run_test_in_process::{{closure}}::heac2c4eb375d2d10
[INFO] [stdout]                                at /rustc/b642703cf9526da1e72c0b6755753b939a9c6b6d/library/test/src/lib.rs:648:60
[INFO] [stdout]   50:     0x55815bd43d31 - <core::panic::unwind_safe::AssertUnwindSafe<F> as core::ops::function::FnOnce<()>>::call_once::h0289bafc8a1cc004
[INFO] [stdout]                                at /rustc/b642703cf9526da1e72c0b6755753b939a9c6b6d/library/core/src/panic/unwind_safe.rs:272:9
[INFO] [stdout]   51:     0x55815bd43d31 - std::panicking::try::do_call::h5e158f1ad8a5f983
[INFO] [stdout]                                at /rustc/b642703cf9526da1e72c0b6755753b939a9c6b6d/library/std/src/panicking.rs:559:40
[INFO] [stdout]   52:     0x55815bd43d31 - std::panicking::try::hea3411d60321c4de
[INFO] [stdout]                                at /rustc/b642703cf9526da1e72c0b6755753b939a9c6b6d/library/std/src/panicking.rs:523:19
[INFO] [stdout]   53:     0x55815bd43d31 - std::panic::catch_unwind::hafb7bb18bc47bbc7
[INFO] [stdout]                                at /rustc/b642703cf9526da1e72c0b6755753b939a9c6b6d/library/std/src/panic.rs:149:14
[INFO] [stdout]   54:     0x55815bd43d31 - test::run_test_in_process::h74dd138dc7762d99
[INFO] [stdout]                                at /rustc/b642703cf9526da1e72c0b6755753b939a9c6b6d/library/test/src/lib.rs:648:27
[INFO] [stdout]   55:     0x55815bd43d31 - test::run_test::{{closure}}::h6b390822e63606cf
[INFO] [stdout]                                at /rustc/b642703cf9526da1e72c0b6755753b939a9c6b6d/library/test/src/lib.rs:569:43
[INFO] [stdout]   56:     0x55815bd0c704 - test::run_test::{{closure}}::h6e11dba8131d354b
[INFO] [stdout]                                at /rustc/b642703cf9526da1e72c0b6755753b939a9c6b6d/library/test/src/lib.rs:599:41
[INFO] [stdout]   57:     0x55815bd0c704 - std::sys_common::backtrace::__rust_begin_short_backtrace::ha71b3541b59bdbbb
[INFO] [stdout]                                at /rustc/b642703cf9526da1e72c0b6755753b939a9c6b6d/library/std/src/sys_common/backtrace.rs:155:18
[INFO] [stdout]   58:     0x55815bd111d2 - std::thread::Builder::spawn_unchecked_::{{closure}}::{{closure}}::hef92127c5ef9e53c
[INFO] [stdout]                                at /rustc/b642703cf9526da1e72c0b6755753b939a9c6b6d/library/std/src/thread/mod.rs:542:17
[INFO] [stdout]   59:     0x55815bd111d2 - <core::panic::unwind_safe::AssertUnwindSafe<F> as core::ops::function::FnOnce<()>>::call_once::h859c109f9d11c92b
[INFO] [stdout]                                at /rustc/b642703cf9526da1e72c0b6755753b939a9c6b6d/library/core/src/panic/unwind_safe.rs:272:9
[INFO] [stdout]   60:     0x55815bd111d2 - std::panicking::try::do_call::hbf534c458cd858f0
[INFO] [stdout]                                at /rustc/b642703cf9526da1e72c0b6755753b939a9c6b6d/library/std/src/panicking.rs:559:40
[INFO] [stdout]   61:     0x55815bd111d2 - std::panicking::try::h65c18365a7b9ad90
[INFO] [stdout]                                at /rustc/b642703cf9526da1e72c0b6755753b939a9c6b6d/library/std/src/panicking.rs:523:19
[INFO] [stdout]   62:     0x55815bd111d2 - std::panic::catch_unwind::h21b25d4c69478c39
[INFO] [stdout]                                at /rustc/b642703cf9526da1e72c0b6755753b939a9c6b6d/library/std/src/panic.rs:149:14
[INFO] [stdout]   63:     0x55815bd111d2 - std::thread::Builder::spawn_unchecked_::{{closure}}::h23335f620275a9bf
[INFO] [stdout]                                at /rustc/b642703cf9526da1e72c0b6755753b939a9c6b6d/library/std/src/thread/mod.rs:541:30
[INFO] [stdout]   64:     0x55815bd111d2 - core::ops::function::FnOnce::call_once{{vtable.shim}}::hb491dc55513e9b7c
[INFO] [stdout]                                at /rustc/b642703cf9526da1e72c0b6755753b939a9c6b6d/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   65:     0x55815bf321ab - <alloc::boxed::Box<F,A> as core::ops::function::FnOnce<Args>>::call_once::h41b39260afcffdc9
[INFO] [stdout]                                at /rustc/b642703cf9526da1e72c0b6755753b939a9c6b6d/library/alloc/src/boxed.rs:2022:9
[INFO] [stdout]   66:     0x55815bf321ab - <alloc::boxed::Box<F,A> as core::ops::function::FnOnce<Args>>::call_once::h6694c8dc6dd010c4
[INFO] [stdout]                                at /rustc/b642703cf9526da1e72c0b6755753b939a9c6b6d/library/alloc/src/boxed.rs:2022:9
[INFO] [stdout]   67:     0x55815bf321ab - std::sys::pal::unix::thread::Thread::new::thread_start::hf16038e1c8e19c99
[INFO] [stdout]                                at /rustc/b642703cf9526da1e72c0b6755753b939a9c6b6d/library/std/src/sys/pal/unix/thread.rs:108:17
[INFO] [stdout]   68:     0x7f5a291c4ac3 - <unknown>
[INFO] [stdout]   69:     0x7f5a29255a04 - __clone
[INFO] [stdout]   70:                0x0 - <unknown>
[INFO] [stdout] 
[INFO] [stdout] ---- tests::two_layer_complicated stdout ----
[INFO] [stdout] May 25 05:24:00.958 DEBG mounting FUSE file-system in namespace
[INFO] [stdout] thread 'tests::two_layer_complicated' panicked at src/lib.rs:1178:18:
[INFO] [stdout] called `Result::unwrap()` on an `Err` value: ENOSYS: Function not implemented
[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/index.crates.io-6f17d22bba15001f/anyhow-1.0.82/src/backtrace.rs:27:14
[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/b642703cf9526da1e72c0b6755753b939a9c6b6d/library/core/src/result.rs:1964:27
[INFO] [stdout]    2: maelstrom_fuse::fuse_mount_namespace::{{closure}}::{{closure}}
[INFO] [stdout]              at /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/maelstrom-fuse-0.8.0/src/lib.rs:127:27
[INFO] [stdout]    3: <tokio::runtime::blocking::task::BlockingTask<T> as core::future::future::Future>::poll
[INFO] [stdout]              at /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/tokio-1.37.0/src/runtime/blocking/task.rs:42:21
[INFO] [stdout]    4: tokio::runtime::task::core::Core<T,S>::poll::{{closure}}
[INFO] [stdout]              at /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/tokio-1.37.0/src/runtime/task/core.rs:328:17
[INFO] [stdout]    5: tokio::loom::std::unsafe_cell::UnsafeCell<T>::with_mut
[INFO] [stdout]              at /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/tokio-1.37.0/src/loom/std/unsafe_cell.rs:16:9
[INFO] [stdout]    6: tokio::runtime::task::core::Core<T,S>::poll
[INFO] [stdout]              at /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/tokio-1.37.0/src/runtime/task/core.rs:317:13
[INFO] [stdout]    7: tokio::runtime::task::harness::poll_future::{{closure}}
[INFO] [stdout]              at /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/tokio-1.37.0/src/runtime/task/harness.rs:485:19
[INFO] [stdout]    8: <core::panic::unwind_safe::AssertUnwindSafe<F> as core::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]              at /rustc/b642703cf9526da1e72c0b6755753b939a9c6b6d/library/core/src/panic/unwind_safe.rs:272:9
[INFO] [stdout]    9: std::panicking::try::do_call
[INFO] [stdout]              at /rustc/b642703cf9526da1e72c0b6755753b939a9c6b6d/library/std/src/panicking.rs:559:40
[INFO] [stdout]   10: __rust_try
[INFO] [stdout]   11: std::panicking::try
[INFO] [stdout]              at /rustc/b642703cf9526da1e72c0b6755753b939a9c6b6d/library/std/src/panicking.rs:523:19
[INFO] [stdout]   12: std::panic::catch_unwind
[INFO] [stdout]              at /rustc/b642703cf9526da1e72c0b6755753b939a9c6b6d/library/std/src/panic.rs:149:14
[INFO] [stdout]   13: tokio::runtime::task::harness::poll_future
[INFO] [stdout]              at /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/tokio-1.37.0/src/runtime/task/harness.rs:473:18
[INFO] [stdout]   14: tokio::runtime::task::harness::Harness<T,S>::poll_inner
[INFO] [stdout]              at /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/tokio-1.37.0/src/runtime/task/harness.rs:208:27
[INFO] [stdout]   15: tokio::runtime::task::harness::Harness<T,S>::poll
[INFO] [stdout]              at /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/tokio-1.37.0/src/runtime/task/harness.rs:153:15
[INFO] [stdout]   16: tokio::runtime::task::raw::poll
[INFO] [stdout]              at /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/tokio-1.37.0/src/runtime/task/raw.rs:271:5
[INFO] [stdout]   17: tokio::runtime::task::raw::RawTask::poll
[INFO] [stdout]              at /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/tokio-1.37.0/src/runtime/task/raw.rs:201:18
[INFO] [stdout]   18: tokio::runtime::task::UnownedTask<S>::run
[INFO] [stdout]              at /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/tokio-1.37.0/src/runtime/task/mod.rs:464:9
[INFO] [stdout]   19: tokio::runtime::blocking::pool::Task::run
[INFO] [stdout]              at /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/tokio-1.37.0/src/runtime/blocking/pool.rs:159:9
[INFO] [stdout]   20: tokio::runtime::blocking::pool::Inner::run
[INFO] [stdout]              at /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/tokio-1.37.0/src/runtime/blocking/pool.rs:513:17
[INFO] [stdout]   21: tokio::runtime::blocking::pool::Spawner::spawn_thread::{{closure}}
[INFO] [stdout]              at /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/tokio-1.37.0/src/runtime/blocking/pool.rs:471:13
[INFO] [stdout]   22: std::sys_common::backtrace::__rust_begin_short_backtrace
[INFO] [stdout]              at /rustc/b642703cf9526da1e72c0b6755753b939a9c6b6d/library/std/src/sys_common/backtrace.rs:155:18
[INFO] [stdout]   23: std::thread::Builder::spawn_unchecked_::{{closure}}::{{closure}}
[INFO] [stdout]              at /rustc/b642703cf9526da1e72c0b6755753b939a9c6b6d/library/std/src/thread/mod.rs:542:17
[INFO] [stdout]   24: <core::panic::unwind_safe::AssertUnwindSafe<F> as core::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]              at /rustc/b642703cf9526da1e72c0b6755753b939a9c6b6d/library/core/src/panic/unwind_safe.rs:272:9
[INFO] [stdout]   25: std::panicking::try::do_call
[INFO] [stdout]              at /rustc/b642703cf9526da1e72c0b6755753b939a9c6b6d/library/std/src/panicking.rs:559:40
[INFO] [stdout]   26: __rust_try
[INFO] [stdout]   27: std::panicking::try
[INFO] [stdout]              at /rustc/b642703cf9526da1e72c0b6755753b939a9c6b6d/library/std/src/panicking.rs:523:19
[INFO] [stdout]   28: std::panic::catch_unwind
[INFO] [stdout]              at /rustc/b642703cf9526da1e72c0b6755753b939a9c6b6d/library/std/src/panic.rs:149:14
[INFO] [stdout]   29: std::thread::Builder::spawn_unchecked_::{{closure}}
[INFO] [stdout]              at /rustc/b642703cf9526da1e72c0b6755753b939a9c6b6d/library/std/src/thread/mod.rs:541:30
[INFO] [stdout]   30: core::ops::function::FnOnce::call_once{{vtable.shim}}
[INFO] [stdout]              at /rustc/b642703cf9526da1e72c0b6755753b939a9c6b6d/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   31: <alloc::boxed::Box<F,A> as core::ops::function::FnOnce<Args>>::call_once
[INFO] [stdout]              at /rustc/b642703cf9526da1e72c0b6755753b939a9c6b6d/library/alloc/src/boxed.rs:2022:9
[INFO] [stdout]   32: <alloc::boxed::Box<F,A> as core::ops::function::FnOnce<Args>>::call_once
[INFO] [stdout]              at /rustc/b642703cf9526da1e72c0b6755753b939a9c6b6d/library/alloc/src/boxed.rs:2022:9
[INFO] [stdout]   33: std::sys::pal::unix::thread::Thread::new::thread_start
[INFO] [stdout]              at /rustc/b642703cf9526da1e72c0b6755753b939a9c6b6d/library/std/src/sys/pal/unix/thread.rs:108:17
[INFO] [stdout]   34: <unknown>
[INFO] [stdout]   35: __clone
[INFO] [stdout] stack backtrace:
[INFO] [stdout]    0:     0x55815bf2a915 - std::backtrace_rs::backtrace::libunwind::trace::he49dc9a9e3164223
[INFO] [stdout]                                at /rustc/b642703cf9526da1e72c0b6755753b939a9c6b6d/library/std/src/../../backtrace/src/backtrace/libunwind.rs:105:5
[INFO] [stdout]    1:     0x55815bf2a915 - std::backtrace_rs::backtrace::trace_unsynchronized::h3a3e77c68030aa6b
[INFO] [stdout]                                at /rustc/b642703cf9526da1e72c0b6755753b939a9c6b6d/library/std/src/../../backtrace/src/backtrace/mod.rs:66:5
[INFO] [stdout]    2:     0x55815bf2a915 - std::sys_common::backtrace::_print_fmt::h9479ad2f99afd5d4
[INFO] [stdout]                                at /rustc/b642703cf9526da1e72c0b6755753b939a9c6b6d/library/std/src/sys_common/backtrace.rs:68:5
[INFO] [stdout]    3:     0x55815bf2a915 - <std::sys_common::backtrace::_print::DisplayBacktrace as core::fmt::Display>::fmt::hfb01aa1fa3fb1821
[INFO] [stdout]                                at /rustc/b642703cf9526da1e72c0b6755753b939a9c6b6d/library/std/src/sys_common/backtrace.rs:44:22
[INFO] [stdout]    4:     0x55815bf53beb - core::fmt::rt::Argument::fmt::h125e56152abbc1c3
[INFO] [stdout]                                at /rustc/b642703cf9526da1e72c0b6755753b939a9c6b6d/library/core/src/fmt/rt.rs:165:63
[INFO] [stdout]    5:     0x55815bf53beb - core::fmt::write::hb0ab4ff05ccfe741
[INFO] [stdout]                                at /rustc/b642703cf9526da1e72c0b6755753b939a9c6b6d/library/core/src/fmt/mod.rs:1169:21
[INFO] [stdout]    6:     0x55815bf27bcf - std::io::Write::write_fmt::hea6336dbf2fa00b8
[INFO] [stdout]                                at /rustc/b642703cf9526da1e72c0b6755753b939a9c6b6d/library/std/src/io/mod.rs:1835:15
[INFO] [stdout]    7:     0x55815bf2a6ee - std::sys_common::backtrace::_print::h79ca548f3a2adf4b
[INFO] [stdout]                                at /rustc/b642703cf9526da1e72c0b6755753b939a9c6b6d/library/std/src/sys_common/backtrace.rs:47:5
[INFO] [stdout]    8:     0x55815bf2a6ee - std::sys_common::backtrace::print::h9aebf997b2fea2d3
[INFO] [stdout]                                at /rustc/b642703cf9526da1e72c0b6755753b939a9c6b6d/library/std/src/sys_common/backtrace.rs:34:9
[INFO] [stdout]    9:     0x55815bf2c059 - std::panicking::default_hook::{{closure}}::h68a0954af2694526
[INFO] [stdout]   10:     0x55815bf2bdac - std::panicking::default_hook::h5be50cc6849ffb00
[INFO] [stdout]                                at /rustc/b642703cf9526da1e72c0b6755753b939a9c6b6d/library/std/src/panicking.rs:295:9
[INFO] [stdout]   11:     0x55815bd3fd4f - <alloc::boxed::Box<F,A> as core::ops::function::Fn<Args>>::call::hd874405dcbd1d3ed
[INFO] [stdout]                                at /rustc/b642703cf9526da1e72c0b6755753b939a9c6b6d/library/alloc/src/boxed.rs:2036:9
[INFO] [stdout]   12:     0x55815bd3fd4f - test::test_main::{{closure}}::h4f26a9df34a84b94
[INFO] [stdout]                                at /rustc/b642703cf9526da1e72c0b6755753b939a9c6b6d/library/test/src/lib.rs:137:21
[INFO] [stdout]   13:     0x55815bf2c65b - <alloc::boxed::Box<F,A> as core::ops::function::Fn<Args>>::call::h00e96d9c62aa9a12
[INFO] [stdout]                                at /rustc/b642703cf9526da1e72c0b6755753b939a9c6b6d/library/alloc/src/boxed.rs:2036:9
[INFO] [stdout]   14:     0x55815bf2c65b - std::panicking::rust_panic_with_hook::h3c0df6036729334c
[INFO] [stdout]                                at /rustc/b642703cf9526da1e72c0b6755753b939a9c6b6d/library/std/src/panicking.rs:799:13
[INFO] [stdout]   15:     0x55815bf2c3d4 - std::panicking::begin_panic_handler::{{closure}}::ha3a21e93c4cfd807
[INFO] [stdout]                                at /rustc/b642703cf9526da1e72c0b6755753b939a9c6b6d/library/std/src/panicking.rs:664:13
[INFO] [stdout]   16:     0x55815bf2add9 - std::sys_common::backtrace::__rust_end_short_backtrace::h19508a8f8ae71dc9
[INFO] [stdout]                                at /rustc/b642703cf9526da1e72c0b6755753b939a9c6b6d/library/std/src/sys_common/backtrace.rs:171:18
[INFO] [stdout]   17:     0x55815bf2c107 - rust_begin_unwind
[INFO] [stdout]                                at /rustc/b642703cf9526da1e72c0b6755753b939a9c6b6d/library/std/src/panicking.rs:652:5
[INFO] [stdout]   18:     0x55815ba9b2b3 - core::panicking::panic_fmt::h2ba8af99174d83ea
[INFO] [stdout]                                at /rustc/b642703cf9526da1e72c0b6755753b939a9c6b6d/library/core/src/panicking.rs:72:14
[INFO] [stdout]   19:     0x55815ba9b806 - core::result::unwrap_failed::h52f3bbb78b59f71d
[INFO] [stdout]                                at /rustc/b642703cf9526da1e72c0b6755753b939a9c6b6d/library/core/src/result.rs:1654:5
[INFO] [stdout]   20:     0x55815bca635a - core::result::Result<T,E>::unwrap::h12d33d75ca13dd03
[INFO] [stdout]                                at /rustc/b642703cf9526da1e72c0b6755753b939a9c6b6d/library/core/src/result.rs:1077:23
[INFO] [stdout]   21:     0x55815bca635a - maelstrom_layer_fs::tests::Fixture::mount::{{closure}}::h76f7f34a1afa1da4
[INFO] [stdout]                                at /opt/rustwide/workdir/src/lib.rs:1175:13
[INFO] [stdout]   22:     0x55815bcadf73 - maelstrom_layer_fs::tests::two_layer_test::{{closure}}::hf53889b09a73f9cb
[INFO] [stdout]                                at /opt/rustwide/workdir/src/lib.rs:1537:48
[INFO] [stdout]   23:     0x55815bcbda0d - maelstrom_layer_fs::tests::two_layer_complicated::{{closure}}::ha32ba3b73b017baf
[INFO] [stdout]                                at /opt/rustwide/workdir/src/lib.rs:1646:10
[INFO] [stdout]   24:     0x55815bc89d52 - <core::pin::Pin<P> as core::future::future::Future>::poll::h6a85ffe21b2c4c95
[INFO] [stdout]                                at /rustc/b642703cf9526da1e72c0b6755753b939a9c6b6d/library/core/src/future/future.rs:123:9
[INFO] [stdout]   25:     0x55815bc89ccd - <core::pin::Pin<P> as core::future::future::Future>::poll::h3a17e493fe70644b
[INFO] [stdout]                                at /rustc/b642703cf9526da1e72c0b6755753b939a9c6b6d/library/core/src/future/future.rs:123:9
[INFO] [stdout]   26:     0x55815bc70c2f - tokio::runtime::scheduler::current_thread::CoreGuard::block_on::{{closure}}::{{closure}}::{{closure}}::hbcae7a313f3c6152
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/tokio-1.37.0/src/runtime/scheduler/current_thread/mod.rs:659:57
[INFO] [stdout]   27:     0x55815bc70b65 - tokio::runtime::coop::with_budget::h5ac2764e228d0de6
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/tokio-1.37.0/src/runtime/coop.rs:107:5
[INFO] [stdout]   28:     0x55815bc70b65 - tokio::runtime::coop::budget::hc658c8e4cb0a0c8d
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/tokio-1.37.0/src/runtime/coop.rs:73:5
[INFO] [stdout]   29:     0x55815bc70b65 - tokio::runtime::scheduler::current_thread::CoreGuard::block_on::{{closure}}::{{closure}}::h12e10693abf9f854
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/tokio-1.37.0/src/runtime/scheduler/current_thread/mod.rs:659:25
[INFO] [stdout]   30:     0x55815bc6f650 - tokio::runtime::scheduler::current_thread::Context::enter::h1a25ea7e5529a0a0
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/tokio-1.37.0/src/runtime/scheduler/current_thread/mod.rs:404:19
[INFO] [stdout]   31:     0x55815bc703eb - tokio::runtime::scheduler::current_thread::CoreGuard::block_on::{{closure}}::h938371df17317d12
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/tokio-1.37.0/src/runtime/scheduler/current_thread/mod.rs:658:36
[INFO] [stdout]   32:     0x55815bc70164 - tokio::runtime::scheduler::current_thread::CoreGuard::enter::{{closure}}::h23361fef9920aca5
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/tokio-1.37.0/src/runtime/scheduler/current_thread/mod.rs:737:68
[INFO] [stdout]   33:     0x55815bc351fb - tokio::runtime::context::scoped::Scoped<T>::set::hfcf659facfad285b
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/tokio-1.37.0/src/runtime/context/scoped.rs:40:9
[INFO] [stdout]   34:     0x55815bb3e999 - tokio::runtime::context::set_scheduler::{{closure}}::h2fae601fb4a4e825
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/tokio-1.37.0/src/runtime/context.rs:176:26
[INFO] [stdout]   35:     0x55815bc945a0 - std::thread::local::LocalKey<T>::try_with::hfb57897efafa1ada
[INFO] [stdout]                                at /rustc/b642703cf9526da1e72c0b6755753b939a9c6b6d/library/std/src/thread/local.rs:286:12
[INFO] [stdout]   36:     0x55815bc92c5a - std::thread::local::LocalKey<T>::with::h943317245f47db8c
[INFO] [stdout]                                at /rustc/b642703cf9526da1e72c0b6755753b939a9c6b6d/library/std/src/thread/local.rs:262:9
[INFO] [stdout]   37:     0x55815bb3e94d - tokio::runtime::context::set_scheduler::hf044fc79721ae8bb
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/tokio-1.37.0/src/runtime/context.rs:176:9
[INFO] [stdout]   38:     0x55815bc6ff10 - tokio::runtime::scheduler::current_thread::CoreGuard::enter::h4f1e663cea134727
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/tokio-1.37.0/src/runtime/scheduler/current_thread/mod.rs:737:27
[INFO] [stdout]   39:     0x55815bc70183 - tokio::runtime::scheduler::current_thread::CoreGuard::block_on::h1765e4a6caf65d57
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/tokio-1.37.0/src/runtime/scheduler/current_thread/mod.rs:646:19
[INFO] [stdout]   40:     0x55815bc6cf33 - tokio::runtime::scheduler::current_thread::CurrentThread::block_on::{{closure}}::h80daa66651dbb412
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/tokio-1.37.0/src/runtime/scheduler/current_thread/mod.rs:175:28
[INFO] [stdout]   41:     0x55815bc370d6 - tokio::runtime::context::runtime::enter_runtime::hcd80078119a75897
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/tokio-1.37.0/src/runtime/context/runtime.rs:65:16
[INFO] [stdout]   42:     0x55815bc6ce91 - tokio::runtime::scheduler::current_thread::CurrentThread::block_on::h0f169576765c3721
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/tokio-1.37.0/src/runtime/scheduler/current_thread/mod.rs:167:9
[INFO] [stdout]   43:     0x55815bc8865d - tokio::runtime::runtime::Runtime::block_on::hfd88ea622e450ffa
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/tokio-1.37.0/src/runtime/runtime.rs:349:47
[INFO] [stdout]   44:     0x55815bcbcc60 - maelstrom_layer_fs::tests::two_layer_complicated::hc694f3aa98ce1a9f
[INFO] [stdout]                                at /opt/rustwide/workdir/src/lib.rs:1635:9
[INFO] [stdout]   45:     0x55815bcbcaf7 - maelstrom_layer_fs::tests::two_layer_complicated::{{closure}}::hc93be3f5feb360b3
[INFO] [stdout]                                at /opt/rustwide/workdir/src/lib.rs:1634:37
[INFO] [stdout]   46:     0x55815ba9fff6 - core::ops::function::FnOnce::call_once::hd2ea7f2842d08440
[INFO] [stdout]                                at /rustc/b642703cf9526da1e72c0b6755753b939a9c6b6d/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   47:     0x55815bd4466b - core::ops::function::FnOnce::call_once::h18c6bf92212b87a4
[INFO] [stdout]                                at /rustc/b642703cf9526da1e72c0b6755753b939a9c6b6d/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   48:     0x55815bd4466b - test::__rust_begin_short_backtrace::hdcf0edcfa9080086
[INFO] [stdout]                                at /rustc/b642703cf9526da1e72c0b6755753b939a9c6b6d/library/test/src/lib.rs:625:18
[INFO] [stdout]   49:     0x55815bd43d31 - test::run_test_in_process::{{closure}}::heac2c4eb375d2d10
[INFO] [stdout]                                at /rustc/b642703cf9526da1e72c0b6755753b939a9c6b6d/library/test/src/lib.rs:648:60
[INFO] [stdout]   50:     0x55815bd43d31 - <core::panic::unwind_safe::AssertUnwindSafe<F> as core::ops::function::FnOnce<()>>::call_once::h0289bafc8a1cc004
[INFO] [stdout]                                at /rustc/b642703cf9526da1e72c0b6755753b939a9c6b6d/library/core/src/panic/unwind_safe.rs:272:9
[INFO] [stdout]   51:     0x55815bd43d31 - std::panicking::try::do_call::h5e158f1ad8a5f983
[INFO] [stdout]                                at /rustc/b642703cf9526da1e72c0b6755753b939a9c6b6d/library/std/src/panicking.rs:559:40
[INFO] [stdout]   52:     0x55815bd43d31 - std::panicking::try::hea3411d60321c4de
[INFO] [stdout]                                at /rustc/b642703cf9526da1e72c0b6755753b939a9c6b6d/library/std/src/panicking.rs:523:19
[INFO] [stdout]   53:     0x55815bd43d31 - std::panic::catch_unwind::hafb7bb18bc47bbc7
[INFO] [stdout]                                at /rustc/b642703cf9526da1e72c0b6755753b939a9c6b6d/library/std/src/panic.rs:149:14
[INFO] [stdout]   54:     0x55815bd43d31 - test::run_test_in_process::h74dd138dc7762d99
[INFO] [stdout]                                at /rustc/b642703cf9526da1e72c0b6755753b939a9c6b6d/library/test/src/lib.rs:648:27
[INFO] [stdout]   55:     0x55815bd43d31 - test::run_test::{{closure}}::h6b390822e63606cf
[INFO] [stdout]                                at /rustc/b642703cf9526da1e72c0b6755753b939a9c6b6d/library/test/src/lib.rs:569:43
[INFO] [stdout]   56:     0x55815bd0c704 - test::run_test::{{closure}}::h6e11dba8131d354b
[INFO] [stdout]                                at /rustc/b642703cf9526da1e72c0b6755753b939a9c6b6d/library/test/src/lib.rs:599:41
[INFO] [stdout]   57:     0x55815bd0c704 - std::sys_common::backtrace::__rust_begin_short_backtrace::ha71b3541b59bdbbb
[INFO] [stdout]                                at /rustc/b642703cf9526da1e72c0b6755753b939a9c6b6d/library/std/src/sys_common/backtrace.rs:155:18
[INFO] [stdout]   58:     0x55815bd111d2 - std::thread::Builder::spawn_unchecked_::{{closure}}::{{closure}}::hef92127c5ef9e53c
[INFO] [stdout]                                at /rustc/b642703cf9526da1e72c0b6755753b939a9c6b6d/library/std/src/thread/mod.rs:542:17
[INFO] [stdout]   59:     0x55815bd111d2 - <core::panic::unwind_safe::AssertUnwindSafe<F> as core::ops::function::FnOnce<()>>::call_once::h859c109f9d11c92b
[INFO] [stdout]                                at /rustc/b642703cf9526da1e72c0b6755753b939a9c6b6d/library/core/src/panic/unwind_safe.rs:272:9
[INFO] [stdout]   60:     0x55815bd111d2 - std::panicking::try::do_call::hbf534c458cd858f0
[INFO] [stdout]                                at /rustc/b642703cf9526da1e72c0b6755753b939a9c6b6d/library/std/src/panicking.rs:559:40
[INFO] [stdout]   61:     0x55815bd111d2 - std::panicking::try::h65c18365a7b9ad90
[INFO] [stdout]                                at /rustc/b642703cf9526da1e72c0b6755753b939a9c6b6d/library/std/src/panicking.rs:523:19
[INFO] [stdout]   62:     0x55815bd111d2 - std::panic::catch_unwind::h21b25d4c69478c39
[INFO] [stdout]                                at /rustc/b642703cf9526da1e72c0b6755753b939a9c6b6d/library/std/src/panic.rs:149:14
[INFO] [stdout]   63:     0x55815bd111d2 - std::thread::Builder::spawn_unchecked_::{{closure}}::h23335f620275a9bf
[INFO] [stdout]                                at /rustc/b642703cf9526da1e72c0b6755753b939a9c6b6d/library/std/src/thread/mod.rs:541:30
[INFO] [stdout]   64:     0x55815bd111d2 - core::ops::function::FnOnce::call_once{{vtable.shim}}::hb491dc55513e9b7c
[INFO] [stdout]                                at /rustc/b642703cf9526da1e72c0b6755753b939a9c6b6d/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   65:     0x55815bf321ab - <alloc::boxed::Box<F,A> as core::ops::function::FnOnce<Args>>::call_once::h41b39260afcffdc9
[INFO] [stdout]                                at /rustc/b642703cf9526da1e72c0b6755753b939a9c6b6d/library/alloc/src/boxed.rs:2022:9
[INFO] [stdout]   66:     0x55815bf321ab - <alloc::boxed::Box<F,A> as core::ops::function::FnOnce<Args>>::call_once::h6694c8dc6dd010c4
[INFO] [stdout]                                at /rustc/b642703cf9526da1e72c0b6755753b939a9c6b6d/library/alloc/src/boxed.rs:2022:9
[INFO] [stdout]   67:     0x55815bf321ab - std::sys::pal::unix::thread::Thread::new::thread_start::hf16038e1c8e19c99
[INFO] [stdout]                                at /rustc/b642703cf9526da1e72c0b6755753b939a9c6b6d/library/std/src/sys/pal/unix/thread.rs:108:17
[INFO] [stdout]   68:     0x7f5a291c4ac3 - <unknown>
[INFO] [stdout]   69:     0x7f5a29255a04 - __clone
[INFO] [stdout]   70:                0x0 - <unknown>
[INFO] [stdout] 
[INFO] [stdout] ---- tests::two_layer_with_whiteout_of_hardlink stdout ----
[INFO] [stdout] May 25 05:24:00.958 DEBG mounting FUSE file-system in namespace
[INFO] [stdout] thread 'tests::two_layer_with_whiteout_of_hardlink' panicked at src/lib.rs:1178:18:
[INFO] [stdout] called `Result::unwrap()` on an `Err` value: ENOSYS: Function not implemented
[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/index.crates.io-6f17d22bba15001f/anyhow-1.0.82/src/backtrace.rs:27:14
[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/b642703cf9526da1e72c0b6755753b939a9c6b6d/library/core/src/result.rs:1964:27
[INFO] [stdout]    2: maelstrom_fuse::fuse_mount_namespace::{{closure}}::{{closure}}
[INFO] [stdout]              at /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/maelstrom-fuse-0.8.0/src/lib.rs:127:27
[INFO] [stdout]    3: <tokio::runtime::blocking::task::BlockingTask<T> as core::future::future::Future>::poll
[INFO] [stdout]              at /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/tokio-1.37.0/src/runtime/blocking/task.rs:42:21
[INFO] [stdout]    4: tokio::runtime::task::core::Core<T,S>::poll::{{closure}}
[INFO] [stdout]              at /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/tokio-1.37.0/src/runtime/task/core.rs:328:17
[INFO] [stdout]    5: tokio::loom::std::unsafe_cell::UnsafeCell<T>::with_mut
[INFO] [stdout]              at /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/tokio-1.37.0/src/loom/std/unsafe_cell.rs:16:9
[INFO] [stdout]    6: tokio::runtime::task::core::Core<T,S>::poll
[INFO] [stdout]              at /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/tokio-1.37.0/src/runtime/task/core.rs:317:13
[INFO] [stdout]    7: tokio::runtime::task::harness::poll_future::{{closure}}
[INFO] [stdout]              at /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/tokio-1.37.0/src/runtime/task/harness.rs:485:19
[INFO] [stdout]    8: <core::panic::unwind_safe::AssertUnwindSafe<F> as core::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]              at /rustc/b642703cf9526da1e72c0b6755753b939a9c6b6d/library/core/src/panic/unwind_safe.rs:272:9
[INFO] [stdout]    9: std::panicking::try::do_call
[INFO] [stdout]              at /rustc/b642703cf9526da1e72c0b6755753b939a9c6b6d/library/std/src/panicking.rs:559:40
[INFO] [stdout]   10: __rust_try
[INFO] [stdout]   11: std::panicking::try
[INFO] [stdout]              at /rustc/b642703cf9526da1e72c0b6755753b939a9c6b6d/library/std/src/panicking.rs:523:19
[INFO] [stdout]   12: std::panic::catch_unwind
[INFO] [stdout]              at /rustc/b642703cf9526da1e72c0b6755753b939a9c6b6d/library/std/src/panic.rs:149:14
[INFO] [stdout]   13: tokio::runtime::task::harness::poll_future
[INFO] [stdout]              at /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/tokio-1.37.0/src/runtime/task/harness.rs:473:18
[INFO] [stdout]   14: tokio::runtime::task::harness::Harness<T,S>::poll_inner
[INFO] [stdout]              at /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/tokio-1.37.0/src/runtime/task/harness.rs:208:27
[INFO] [stdout]   15: tokio::runtime::task::harness::Harness<T,S>::poll
[INFO] [stdout]              at /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/tokio-1.37.0/src/runtime/task/harness.rs:153:15
[INFO] [stdout]   16: tokio::runtime::task::raw::poll
[INFO] [stdout]              at /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/tokio-1.37.0/src/runtime/task/raw.rs:271:5
[INFO] [stdout]   17: tokio::runtime::task::raw::RawTask::poll
[INFO] [stdout]              at /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/tokio-1.37.0/src/runtime/task/raw.rs:201:18
[INFO] [stdout]   18: tokio::runtime::task::UnownedTask<S>::run
[INFO] [stdout]              at /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/tokio-1.37.0/src/runtime/task/mod.rs:464:9
[INFO] [stdout]   19: tokio::runtime::blocking::pool::Task::run
[INFO] [stdout]              at /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/tokio-1.37.0/src/runtime/blocking/pool.rs:159:9
[INFO] [stdout]   20: tokio::runtime::blocking::pool::Inner::run
[INFO] [stdout]              at /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/tokio-1.37.0/src/runtime/blocking/pool.rs:513:17
[INFO] [stdout]   21: tokio::runtime::blocking::pool::Spawner::spawn_thread::{{closure}}
[INFO] [stdout]              at /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/tokio-1.37.0/src/runtime/blocking/pool.rs:471:13
[INFO] [stdout]   22: std::sys_common::backtrace::__rust_begin_short_backtrace
[INFO] [stdout]              at /rustc/b642703cf9526da1e72c0b6755753b939a9c6b6d/library/std/src/sys_common/backtrace.rs:155:18
[INFO] [stdout]   23: std::thread::Builder::spawn_unchecked_::{{closure}}::{{closure}}
[INFO] [stdout]              at /rustc/b642703cf9526da1e72c0b6755753b939a9c6b6d/library/std/src/thread/mod.rs:542:17
[INFO] [stdout]   24: <core::panic::unwind_safe::AssertUnwindSafe<F> as core::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]              at /rustc/b642703cf9526da1e72c0b6755753b939a9c6b6d/library/core/src/panic/unwind_safe.rs:272:9
[INFO] [stdout]   25: std::panicking::try::do_call
[INFO] [stdout]              at /rustc/b642703cf9526da1e72c0b6755753b939a9c6b6d/library/std/src/panicking.rs:559:40
[INFO] [stdout]   26: __rust_try
[INFO] [stdout]   27: std::panicking::try
[INFO] [stdout]              at /rustc/b642703cf9526da1e72c0b6755753b939a9c6b6d/library/std/src/panicking.rs:523:19
[INFO] [stdout]   28: std::panic::catch_unwind
[INFO] [stdout]              at /rustc/b642703cf9526da1e72c0b6755753b939a9c6b6d/library/std/src/panic.rs:149:14
[INFO] [stdout]   29: std::thread::Builder::spawn_unchecked_::{{closure}}
[INFO] [stdout]              at /rustc/b642703cf9526da1e72c0b6755753b939a9c6b6d/library/std/src/thread/mod.rs:541:30
[INFO] [stdout]   30: core::ops::function::FnOnce::call_once{{vtable.shim}}
[INFO] [stdout]              at /rustc/b642703cf9526da1e72c0b6755753b939a9c6b6d/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   31: <alloc::boxed::Box<F,A> as core::ops::function::FnOnce<Args>>::call_once
[INFO] [stdout]              at /rustc/b642703cf9526da1e72c0b6755753b939a9c6b6d/library/alloc/src/boxed.rs:2022:9
[INFO] [stdout]   32: <alloc::boxed::Box<F,A> as core::ops::function::FnOnce<Args>>::call_once
[INFO] [stdout]              at /rustc/b642703cf9526da1e72c0b6755753b939a9c6b6d/library/alloc/src/boxed.rs:2022:9
[INFO] [stdout]   33: std::sys::pal::unix::thread::Thread::new::thread_start
[INFO] [stdout]              at /rustc/b642703cf9526da1e72c0b6755753b939a9c6b6d/library/std/src/sys/pal/unix/thread.rs:108:17
[INFO] [stdout]   34: <unknown>
[INFO] [stdout]   35: __clone
[INFO] [stdout] stack backtrace:
[INFO] [stdout]    0:     0x55815bf2a915 - std::backtrace_rs::backtrace::libunwind::trace::he49dc9a9e3164223
[INFO] [stdout]                                at /rustc/b642703cf9526da1e72c0b6755753b939a9c6b6d/library/std/src/../../backtrace/src/backtrace/libunwind.rs:105:5
[INFO] [stdout]    1:     0x55815bf2a915 - std::backtrace_rs::backtrace::trace_unsynchronized::h3a3e77c68030aa6b
[INFO] [stdout]                                at /rustc/b642703cf9526da1e72c0b6755753b939a9c6b6d/library/std/src/../../backtrace/src/backtrace/mod.rs:66:5
[INFO] [stdout]    2:     0x55815bf2a915 - std::sys_common::backtrace::_print_fmt::h9479ad2f99afd5d4
[INFO] [stdout]                                at /rustc/b642703cf9526da1e72c0b6755753b939a9c6b6d/library/std/src/sys_common/backtrace.rs:68:5
[INFO] [stdout]    3:     0x55815bf2a915 - <std::sys_common::backtrace::_print::DisplayBacktrace as core::fmt::Display>::fmt::hfb01aa1fa3fb1821
[INFO] [stdout]                                at /rustc/b642703cf9526da1e72c0b6755753b939a9c6b6d/library/std/src/sys_common/backtrace.rs:44:22
[INFO] [stdout]    4:     0x55815bf53beb - core::fmt::rt::Argument::fmt::h125e56152abbc1c3
[INFO] [stdout]                                at /rustc/b642703cf9526da1e72c0b6755753b939a9c6b6d/library/core/src/fmt/rt.rs:165:63
[INFO] [stdout]    5:     0x55815bf53beb - core::fmt::write::hb0ab4ff05ccfe741
[INFO] [stdout]                                at /rustc/b642703cf9526da1e72c0b6755753b939a9c6b6d/library/core/src/fmt/mod.rs:1169:21
[INFO] [stdout]    6:     0x55815bf27bcf - std::io::Write::write_fmt::hea6336dbf2fa00b8
[INFO] [stdout]                                at /rustc/b642703cf9526da1e72c0b6755753b939a9c6b6d/library/std/src/io/mod.rs:1835:15
[INFO] [stdout]    7:     0x55815bf2a6ee - std::sys_common::backtrace::_print::h79ca548f3a2adf4b
[INFO] [stdout]                                at /rustc/b642703cf9526da1e72c0b6755753b939a9c6b6d/library/std/src/sys_common/backtrace.rs:47:5
[INFO] [stdout]    8:     0x55815bf2a6ee - std::sys_common::backtrace::print::h9aebf997b2fea2d3
[INFO] [stdout]                                at /rustc/b642703cf9526da1e72c0b6755753b939a9c6b6d/library/std/src/sys_common/backtrace.rs:34:9
[INFO] [stdout]    9:     0x55815bf2c059 - std::panicking::default_hook::{{closure}}::h68a0954af2694526
[INFO] [stdout]   10:     0x55815bf2bdac - std::panicking::default_hook::h5be50cc6849ffb00
[INFO] [stdout]                                at /rustc/b642703cf9526da1e72c0b6755753b939a9c6b6d/library/std/src/panicking.rs:295:9
[INFO] [stdout]   11:     0x55815bd3fd4f - <alloc::boxed::Box<F,A> as core::ops::function::Fn<Args>>::call::hd874405dcbd1d3ed
[INFO] [stdout]                                at /rustc/b642703cf9526da1e72c0b6755753b939a9c6b6d/library/alloc/src/boxed.rs:2036:9
[INFO] [stdout]   12:     0x55815bd3fd4f - test::test_main::{{closure}}::h4f26a9df34a84b94
[INFO] [stdout]                                at /rustc/b642703cf9526da1e72c0b6755753b939a9c6b6d/library/test/src/lib.rs:137:21
[INFO] [stdout]   13:     0x55815bf2c65b - <alloc::boxed::Box<F,A> as core::ops::function::Fn<Args>>::call::h00e96d9c62aa9a12
[INFO] [stdout]                                at /rustc/b642703cf9526da1e72c0b6755753b939a9c6b6d/library/alloc/src/boxed.rs:2036:9
[INFO] [stdout]   14:     0x55815bf2c65b - std::panicking::rust_panic_with_hook::h3c0df6036729334c
[INFO] [stdout]                                at /rustc/b642703cf9526da1e72c0b6755753b939a9c6b6d/library/std/src/panicking.rs:799:13
[INFO] [stdout]   15:     0x55815bf2c3d4 - std::panicking::begin_panic_handler::{{closure}}::ha3a21e93c4cfd807
[INFO] [stdout]                                at /rustc/b642703cf9526da1e72c0b6755753b939a9c6b6d/library/std/src/panicking.rs:664:13
[INFO] [stdout]   16:     0x55815bf2add9 - std::sys_common::backtrace::__rust_end_short_backtrace::h19508a8f8ae71dc9
[INFO] [stdout]                                at /rustc/b642703cf9526da1e72c0b6755753b939a9c6b6d/library/std/src/sys_common/backtrace.rs:171:18
[INFO] [stdout]   17:     0x55815bf2c107 - rust_begin_unwind
[INFO] [stdout]                                at /rustc/b642703cf9526da1e72c0b6755753b939a9c6b6d/library/std/src/panicking.rs:652:5
[INFO] [stdout]   18:     0x55815ba9b2b3 - core::panicking::panic_fmt::h2ba8af99174d83ea
[INFO] [stdout]                                at /rustc/b642703cf9526da1e72c0b6755753b939a9c6b6d/library/core/src/panicking.rs:72:14
[INFO] [stdout]   19:     0x55815ba9b806 - core::result::unwrap_failed::h52f3bbb78b59f71d
[INFO] [stdout]                                at /rustc/b642703cf9526da1e72c0b6755753b939a9c6b6d/library/core/src/result.rs:1654:5
[INFO] [stdout]   20:     0x55815bca635a - core::result::Result<T,E>::unwrap::h12d33d75ca13dd03
[INFO] [stdout]                                at /rustc/b642703cf9526da1e72c0b6755753b939a9c6b6d/library/core/src/result.rs:1077:23
[INFO] [stdout]   21:     0x55815bca635a - maelstrom_layer_fs::tests::Fixture::mount::{{closure}}::h76f7f34a1afa1da4
[INFO] [stdout]                                at /opt/rustwide/workdir/src/lib.rs:1175:13
[INFO] [stdout]   22:     0x55815bcadf73 - maelstrom_layer_fs::tests::two_layer_test::{{closure}}::hf53889b09a73f9cb
[INFO] [stdout]                                at /opt/rustwide/workdir/src/lib.rs:1537:48
[INFO] [stdout]   23:     0x55815bcc04a8 - maelstrom_layer_fs::tests::two_layer_with_whiteout_of_hardlink::{{closure}}::h6051ede6d8bc6856
[INFO] [stdout]                                at /opt/rustwide/workdir/src/lib.rs:1700:10
[INFO] [stdout]   24:     0x55815bc89d52 - <core::pin::Pin<P> as core::future::future::Future>::poll::h6a85ffe21b2c4c95
[INFO] [stdout]                                at /rustc/b642703cf9526da1e72c0b6755753b939a9c6b6d/library/core/src/future/future.rs:123:9
[INFO] [stdout]   25:     0x55815bc89ccd - <core::pin::Pin<P> as core::future::future::Future>::poll::h3a17e493fe70644b
[INFO] [stdout]                                at /rustc/b642703cf9526da1e72c0b6755753b939a9c6b6d/library/core/src/future/future.rs:123:9
[INFO] [stdout]   26:     0x55815bc70c2f - tokio::runtime::scheduler::current_thread::CoreGuard::block_on::{{closure}}::{{closure}}::{{closure}}::hbcae7a313f3c6152
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/tokio-1.37.0/src/runtime/scheduler/current_thread/mod.rs:659:57
[INFO] [stdout]   27:     0x55815bc70b65 - tokio::runtime::coop::with_budget::h5ac2764e228d0de6
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/tokio-1.37.0/src/runtime/coop.rs:107:5
[INFO] [stdout]   28:     0x55815bc70b65 - tokio::runtime::coop::budget::hc658c8e4cb0a0c8d
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/tokio-1.37.0/src/runtime/coop.rs:73:5
[INFO] [stdout]   29:     0x55815bc70b65 - tokio::runtime::scheduler::current_thread::CoreGuard::block_on::{{closure}}::{{closure}}::h12e10693abf9f854
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/tokio-1.37.0/src/runtime/scheduler/current_thread/mod.rs:659:25
[INFO] [stdout]   30:     0x55815bc6f650 - tokio::runtime::scheduler::current_thread::Context::enter::h1a25ea7e5529a0a0
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/tokio-1.37.0/src/runtime/scheduler/current_thread/mod.rs:404:19
[INFO] [stdout]   31:     0x55815bc703eb - tokio::runtime::scheduler::current_thread::CoreGuard::block_on::{{closure}}::h938371df17317d12
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/tokio-1.37.0/src/runtime/scheduler/current_thread/mod.rs:658:36
[INFO] [stdout]   32:     0x55815bc70164 - tokio::runtime::scheduler::current_thread::CoreGuard::enter::{{closure}}::h23361fef9920aca5
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/tokio-1.37.0/src/runtime/scheduler/current_thread/mod.rs:737:68
[INFO] [stdout]   33:     0x55815bc351fb - tokio::runtime::context::scoped::Scoped<T>::set::hfcf659facfad285b
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/tokio-1.37.0/src/runtime/context/scoped.rs:40:9
[INFO] [stdout]   34:     0x55815bb3e999 - tokio::runtime::context::set_scheduler::{{closure}}::h2fae601fb4a4e825
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/tokio-1.37.0/src/runtime/context.rs:176:26
[INFO] [stdout]   35:     0x55815bc945a0 - std::thread::local::LocalKey<T>::try_with::hfb57897efafa1ada
[INFO] [stdout]                                at /rustc/b642703cf9526da1e72c0b6755753b939a9c6b6d/library/std/src/thread/local.rs:286:12
[INFO] [stdout]   36:     0x55815bc92c5a - std::thread::local::LocalKey<T>::with::h943317245f47db8c
[INFO] [stdout]                                at /rustc/b642703cf9526da1e72c0b6755753b939a9c6b6d/library/std/src/thread/local.rs:262:9
[INFO] [stdout]   37:     0x55815bb3e94d - tokio::runtime::context::set_scheduler::hf044fc79721ae8bb
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/tokio-1.37.0/src/runtime/context.rs:176:9
[INFO] [stdout]   38:     0x55815bc6ff10 - tokio::runtime::scheduler::current_thread::CoreGuard::enter::h4f1e663cea134727
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/tokio-1.37.0/src/runtime/scheduler/current_thread/mod.rs:737:27
[INFO] [stdout]   39:     0x55815bc70183 - tokio::runtime::scheduler::current_thread::CoreGuard::block_on::h1765e4a6caf65d57
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/tokio-1.37.0/src/runtime/scheduler/current_thread/mod.rs:646:19
[INFO] [stdout]   40:     0x55815bc6cf33 - tokio::runtime::scheduler::current_thread::CurrentThread::block_on::{{closure}}::h80daa66651dbb412
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/tokio-1.37.0/src/runtime/scheduler/current_thread/mod.rs:175:28
[INFO] [stdout]   41:     0x55815bc370d6 - tokio::runtime::context::runtime::enter_runtime::hcd80078119a75897
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/tokio-1.37.0/src/runtime/context/runtime.rs:65:16
[INFO] [stdout]   42:     0x55815bc6ce91 - tokio::runtime::scheduler::current_thread::CurrentThread::block_on::h0f169576765c3721
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/tokio-1.37.0/src/runtime/scheduler/current_thread/mod.rs:167:9
[INFO] [stdout]   43:     0x55815bc8865d - tokio::runtime::runtime::Runtime::block_on::hfd88ea622e450ffa
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/tokio-1.37.0/src/runtime/runtime.rs:349:47
[INFO] [stdout]   44:     0x55815bcbfcd0 - maelstrom_layer_fs::tests::two_layer_with_whiteout_of_hardlink::hae6e5d16a1a1bbc3
[INFO] [stdout]                                at /opt/rustwide/workdir/src/lib.rs:1692:9
[INFO] [stdout]   45:     0x55815bcbfb67 - maelstrom_layer_fs::tests::two_layer_with_whiteout_of_hardlink::{{closure}}::hd3288fb24f3e1c23
[INFO] [stdout]                                at /opt/rustwide/workdir/src/lib.rs:1691:51
[INFO] [stdout]   46:     0x55815ba9ee96 - core::ops::function::FnOnce::call_once::h955a6af5d215a8b4
[INFO] [stdout]                                at /rustc/b642703cf9526da1e72c0b6755753b939a9c6b6d/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   47:     0x55815bd4466b - core::ops::function::FnOnce::call_once::h18c6bf92212b87a4
[INFO] [stdout]                                at /rustc/b642703cf9526da1e72c0b6755753b939a9c6b6d/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   48:     0x55815bd4466b - test::__rust_begin_short_backtrace::hdcf0edcfa9080086
[INFO] [stdout]                                at /rustc/b642703cf9526da1e72c0b6755753b939a9c6b6d/library/test/src/lib.rs:625:18
[INFO] [stdout]   49:     0x55815bd43d31 - test::run_test_in_process::{{closure}}::heac2c4eb375d2d10
[INFO] [stdout]                                at /rustc/b642703cf9526da1e72c0b6755753b939a9c6b6d/library/test/src/lib.rs:648:60
[INFO] [stdout]   50:     0x55815bd43d31 - <core::panic::unwind_safe::AssertUnwindSafe<F> as core::ops::function::FnOnce<()>>::call_once::h0289bafc8a1cc004
[INFO] [stdout]                                at /rustc/b642703cf9526da1e72c0b6755753b939a9c6b6d/library/core/src/panic/unwind_safe.rs:272:9
[INFO] [stdout]   51:     0x55815bd43d31 - std::panicking::try::do_call::h5e158f1ad8a5f983
[INFO] [stdout]                                at /rustc/b642703cf9526da1e72c0b6755753b939a9c6b6d/library/std/src/panicking.rs:559:40
[INFO] [stdout]   52:     0x55815bd43d31 - std::panicking::try::hea3411d60321c4de
[INFO] [stdout]                                at /rustc/b642703cf9526da1e72c0b6755753b939a9c6b6d/library/std/src/panicking.rs:523:19
[INFO] [stdout]   53:     0x55815bd43d31 - std::panic::catch_unwind::hafb7bb18bc47bbc7
[INFO] [stdout]                                at /rustc/b642703cf9526da1e72c0b6755753b939a9c6b6d/library/std/src/panic.rs:149:14
[INFO] [stdout]   54:     0x55815bd43d31 - test::run_test_in_process::h74dd138dc7762d99
[INFO] [stdout]                                at /rustc/b642703cf9526da1e72c0b6755753b939a9c6b6d/library/test/src/lib.rs:648:27
[INFO] [stdout]   55:     0x55815bd43d31 - test::run_test::{{closure}}::h6b390822e63606cf
[INFO] [stdout]                                at /rustc/b642703cf9526da1e72c0b6755753b939a9c6b6d/library/test/src/lib.rs:569:43
[INFO] [stdout]   56:     0x55815bd0c704 - test::run_test::{{closure}}::h6e11dba8131d354b
[INFO] [stdout]                                at /rustc/b642703cf9526da1e72c0b6755753b939a9c6b6d/library/test/src/lib.rs:599:41
[INFO] [stdout]   57:     0x55815bd0c704 - std::sys_common::backtrace::__rust_begin_short_backtrace::ha71b3541b59bdbbb
[INFO] [stdout]                                at /rustc/b642703cf9526da1e72c0b6755753b939a9c6b6d/library/std/src/sys_common/backtrace.rs:155:18
[INFO] [stdout]   58:     0x55815bd111d2 - std::thread::Builder::spawn_unchecked_::{{closure}}::{{closure}}::hef92127c5ef9e53c
[INFO] [stdout]                                at /rustc/b642703cf9526da1e72c0b6755753b939a9c6b6d/library/std/src/thread/mod.rs:542:17
[INFO] [stdout]   59:     0x55815bd111d2 - <core::panic::unwind_safe::AssertUnwindSafe<F> as core::ops::function::FnOnce<()>>::call_once::h859c109f9d11c92b
[INFO] [stdout]                                at /rustc/b642703cf9526da1e72c0b6755753b939a9c6b6d/library/core/src/panic/unwind_safe.rs:272:9
[INFO] [stdout]   60:     0x55815bd111d2 - std::panicking::try::do_call::hbf534c458cd858f0
[INFO] [stdout]                                at /rustc/b642703cf9526da1e72c0b6755753b939a9c6b6d/library/std/src/panicking.rs:559:40
[INFO] [stdout]   61:     0x55815bd111d2 - std::panicking::try::h65c18365a7b9ad90
[INFO] [stdout]                                at /rustc/b642703cf9526da1e72c0b6755753b939a9c6b6d/library/std/src/panicking.rs:523:19
[INFO] [stdout]   62:     0x55815bd111d2 - std::panic::catch_unwind::h21b25d4c69478c39
[INFO] [stdout]                                at /rustc/b642703cf9526da1e72c0b6755753b939a9c6b6d/library/std/src/panic.rs:149:14
[INFO] [stdout]   63:     0x55815bd111d2 - std::thread::Builder::spawn_unchecked_::{{closure}}::h23335f620275a9bf
[INFO] [stdout]                                at /rustc/b642703cf9526da1e72c0b6755753b939a9c6b6d/library/std/src/thread/mod.rs:541:30
[INFO] [stdout]   64:     0x55815bd111d2 - core::ops::function::FnOnce::call_once{{vtable.shim}}::hb491dc55513e9b7c
[INFO] [stdout]                                at /rustc/b642703cf9526da1e72c0b6755753b939a9c6b6d/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   65:     0x55815bf321ab - <alloc::boxed::Box<F,A> as core::ops::function::FnOnce<Args>>::call_once::h41b39260afcffdc9
[INFO] [stdout]                                at /rustc/b642703cf9526da1e72c0b6755753b939a9c6b6d/library/alloc/src/boxed.rs:2022:9
[INFO] [stdout]   66:     0x55815bf321ab - <alloc::boxed::Box<F,A> as core::ops::function::FnOnce<Args>>::call_once::h6694c8dc6dd010c4
[INFO] [stdout]                                at /rustc/b642703cf9526da1e72c0b6755753b939a9c6b6d/library/alloc/src/boxed.rs:2022:9
[INFO] [stdout]   67:     0x55815bf321ab - std::sys::pal::unix::thread::Thread::new::thread_start::hf16038e1c8e19c99
[INFO] [stdout]                                at /rustc/b642703cf9526da1e72c0b6755753b939a9c6b6d/library/std/src/sys/pal/unix/thread.rs:108:17
[INFO] [stdout]   68:     0x7f5a291c4ac3 - <unknown>
[INFO] [stdout]   69:     0x7f5a29255a04 - __clone
[INFO] [stdout]   70:                0x0 - <unknown>
[INFO] [stdout] 
[INFO] [stdout] ---- tests::three_layer stdout ----
[INFO] [stdout] May 25 05:24:00.958 DEBG mounting FUSE file-system in namespace
[INFO] [stdout] thread 'tests::three_layer' panicked at src/lib.rs:1178:18:
[INFO] [stdout] called `Result::unwrap()` on an `Err` value: ENOSYS: Function not implemented
[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/index.crates.io-6f17d22bba15001f/anyhow-1.0.82/src/backtrace.rs:27:14
[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/b642703cf9526da1e72c0b6755753b939a9c6b6d/library/core/src/result.rs:1964:27
[INFO] [stdout]    2: maelstrom_fuse::fuse_mount_namespace::{{closure}}::{{closure}}
[INFO] [stdout]              at /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/maelstrom-fuse-0.8.0/src/lib.rs:127:27
[INFO] [stdout]    3: <tokio::runtime::blocking::task::BlockingTask<T> as core::future::future::Future>::poll
[INFO] [stdout]              at /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/tokio-1.37.0/src/runtime/blocking/task.rs:42:21
[INFO] [stdout]    4: tokio::runtime::task::core::Core<T,S>::poll::{{closure}}
[INFO] [stdout]              at /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/tokio-1.37.0/src/runtime/task/core.rs:328:17
[INFO] [stdout]    5: tokio::loom::std::unsafe_cell::UnsafeCell<T>::with_mut
[INFO] [stdout]              at /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/tokio-1.37.0/src/loom/std/unsafe_cell.rs:16:9
[INFO] [stdout]    6: tokio::runtime::task::core::Core<T,S>::poll
[INFO] [stdout]              at /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/tokio-1.37.0/src/runtime/task/core.rs:317:13
[INFO] [stdout]    7: tokio::runtime::task::harness::poll_future::{{closure}}
[INFO] [stdout]              at /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/tokio-1.37.0/src/runtime/task/harness.rs:485:19
[INFO] [stdout]    8: <core::panic::unwind_safe::AssertUnwindSafe<F> as core::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]              at /rustc/b642703cf9526da1e72c0b6755753b939a9c6b6d/library/core/src/panic/unwind_safe.rs:272:9
[INFO] [stdout]    9: std::panicking::try::do_call
[INFO] [stdout]              at /rustc/b642703cf9526da1e72c0b6755753b939a9c6b6d/library/std/src/panicking.rs:559:40
[INFO] [stdout]   10: __rust_try
[INFO] [stdout]   11: std::panicking::try
[INFO] [stdout]              at /rustc/b642703cf9526da1e72c0b6755753b939a9c6b6d/library/std/src/panicking.rs:523:19
[INFO] [stdout]   12: std::panic::catch_unwind
[INFO] [stdout]              at /rustc/b642703cf9526da1e72c0b6755753b939a9c6b6d/library/std/src/panic.rs:149:14
[INFO] [stdout]   13: tokio::runtime::task::harness::poll_future
[INFO] [stdout]              at /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/tokio-1.37.0/src/runtime/task/harness.rs:473:18
[INFO] [stdout]   14: tokio::runtime::task::harness::Harness<T,S>::poll_inner
[INFO] [stdout]              at /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/tokio-1.37.0/src/runtime/task/harness.rs:208:27
[INFO] [stdout]   15: tokio::runtime::task::harness::Harness<T,S>::poll
[INFO] [stdout]              at /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/tokio-1.37.0/src/runtime/task/harness.rs:153:15
[INFO] [stdout]   16: tokio::runtime::task::raw::poll
[INFO] [stdout]              at /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/tokio-1.37.0/src/runtime/task/raw.rs:271:5
[INFO] [stdout]   17: tokio::runtime::task::raw::RawTask::poll
[INFO] [stdout]              at /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/tokio-1.37.0/src/runtime/task/raw.rs:201:18
[INFO] [stdout]   18: tokio::runtime::task::UnownedTask<S>::run
[INFO] [stdout]              at /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/tokio-1.37.0/src/runtime/task/mod.rs:464:9
[INFO] [stdout]   19: tokio::runtime::blocking::pool::Task::run
[INFO] [stdout]              at /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/tokio-1.37.0/src/runtime/blocking/pool.rs:159:9
[INFO] [stdout]   20: tokio::runtime::blocking::pool::Inner::run
[INFO] [stdout]              at /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/tokio-1.37.0/src/runtime/blocking/pool.rs:513:17
[INFO] [stdout]   21: tokio::runtime::blocking::pool::Spawner::spawn_thread::{{closure}}
[INFO] [stdout]              at /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/tokio-1.37.0/src/runtime/blocking/pool.rs:471:13
[INFO] [stdout]   22: std::sys_common::backtrace::__rust_begin_short_backtrace
[INFO] [stdout]              at /rustc/b642703cf9526da1e72c0b6755753b939a9c6b6d/library/std/src/sys_common/backtrace.rs:155:18
[INFO] [stdout]   23: std::thread::Builder::spawn_unchecked_::{{closure}}::{{closure}}
[INFO] [stdout]              at /rustc/b642703cf9526da1e72c0b6755753b939a9c6b6d/library/std/src/thread/mod.rs:542:17
[INFO] [stdout]   24: <core::panic::unwind_safe::AssertUnwindSafe<F> as core::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]              at /rustc/b642703cf9526da1e72c0b6755753b939a9c6b6d/library/core/src/panic/unwind_safe.rs:272:9
[INFO] [stdout]   25: std::panicking::try::do_call
[INFO] [stdout]              at /rustc/b642703cf9526da1e72c0b6755753b939a9c6b6d/library/std/src/panicking.rs:559:40
[INFO] [stdout]   26: __rust_try
[INFO] [stdout]   27: std::panicking::try
[INFO] [stdout]              at /rustc/b642703cf9526da1e72c0b6755753b939a9c6b6d/library/std/src/panicking.rs:523:19
[INFO] [stdout]   28: std::panic::catch_unwind
[INFO] [stdout]              at /rustc/b642703cf9526da1e72c0b6755753b939a9c6b6d/library/std/src/panic.rs:149:14
[INFO] [stdout]   29: std::thread::Builder::spawn_unchecked_::{{closure}}
[INFO] [stdout]              at /rustc/b642703cf9526da1e72c0b6755753b939a9c6b6d/library/std/src/thread/mod.rs:541:30
[INFO] [stdout]   30: core::ops::function::FnOnce::call_once{{vtable.shim}}
[INFO] [stdout]              at /rustc/b642703cf9526da1e72c0b6755753b939a9c6b6d/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   31: <alloc::boxed::Box<F,A> as core::ops::function::FnOnce<Args>>::call_once
[INFO] [stdout]              at /rustc/b642703cf9526da1e72c0b6755753b939a9c6b6d/library/alloc/src/boxed.rs:2022:9
[INFO] [stdout]   32: <alloc::boxed::Box<F,A> as core::ops::function::FnOnce<Args>>::call_once
[INFO] [stdout]              at /rustc/b642703cf9526da1e72c0b6755753b939a9c6b6d/library/alloc/src/boxed.rs:2022:9
[INFO] [stdout]   33: std::sys::pal::unix::thread::Thread::new::thread_start
[INFO] [stdout]              at /rustc/b642703cf9526da1e72c0b6755753b939a9c6b6d/library/std/src/sys/pal/unix/thread.rs:108:17
[INFO] [stdout]   34: <unknown>
[INFO] [stdout]   35: __clone
[INFO] [stdout] stack backtrace:
[INFO] [stdout]    0:     0x55815bf2a915 - std::backtrace_rs::backtrace::libunwind::trace::he49dc9a9e3164223
[INFO] [stdout]                                at /rustc/b642703cf9526da1e72c0b6755753b939a9c6b6d/library/std/src/../../backtrace/src/backtrace/libunwind.rs:105:5
[INFO] [stdout]    1:     0x55815bf2a915 - std::backtrace_rs::backtrace::trace_unsynchronized::h3a3e77c68030aa6b
[INFO] [stdout]                                at /rustc/b642703cf9526da1e72c0b6755753b939a9c6b6d/library/std/src/../../backtrace/src/backtrace/mod.rs:66:5
[INFO] [stdout]    2:     0x55815bf2a915 - std::sys_common::backtrace::_print_fmt::h9479ad2f99afd5d4
[INFO] [stdout]                                at /rustc/b642703cf9526da1e72c0b6755753b939a9c6b6d/library/std/src/sys_common/backtrace.rs:68:5
[INFO] [stdout]    3:     0x55815bf2a915 - <std::sys_common::backtrace::_print::DisplayBacktrace as core::fmt::Display>::fmt::hfb01aa1fa3fb1821
[INFO] [stdout]                                at /rustc/b642703cf9526da1e72c0b6755753b939a9c6b6d/library/std/src/sys_common/backtrace.rs:44:22
[INFO] [stdout]    4:     0x55815bf53beb - core::fmt::rt::Argument::fmt::h125e56152abbc1c3
[INFO] [stdout]                                at /rustc/b642703cf9526da1e72c0b6755753b939a9c6b6d/library/core/src/fmt/rt.rs:165:63
[INFO] [stdout]    5:     0x55815bf53beb - core::fmt::write::hb0ab4ff05ccfe741
[INFO] [stdout]                                at /rustc/b642703cf9526da1e72c0b6755753b939a9c6b6d/library/core/src/fmt/mod.rs:1169:21
[INFO] [stdout]    6:     0x55815bf27bcf - std::io::Write::write_fmt::hea6336dbf2fa00b8
[INFO] [stdout]                                at /rustc/b642703cf9526da1e72c0b6755753b939a9c6b6d/library/std/src/io/mod.rs:1835:15
[INFO] [stdout]    7:     0x55815bf2a6ee - std::sys_common::backtrace::_print::h79ca548f3a2adf4b
[INFO] [stdout]                                at /rustc/b642703cf9526da1e72c0b6755753b939a9c6b6d/library/std/src/sys_common/backtrace.rs:47:5
[INFO] [stdout]    8:     0x55815bf2a6ee - std::sys_common::backtrace::print::h9aebf997b2fea2d3
[INFO] [stdout]                                at /rustc/b642703cf9526da1e72c0b6755753b939a9c6b6d/library/std/src/sys_common/backtrace.rs:34:9
[INFO] [stdout]    9:     0x55815bf2c059 - std::panicking::default_hook::{{closure}}::h68a0954af2694526
[INFO] [stdout]   10:     0x55815bf2bdac - std::panicking::default_hook::h5be50cc6849ffb00
[INFO] [stdout]                                at /rustc/b642703cf9526da1e72c0b6755753b939a9c6b6d/library/std/src/panicking.rs:295:9
[INFO] [stdout]   11:     0x55815bd3fd4f - <alloc::boxed::Box<F,A> as core::ops::function::Fn<Args>>::call::hd874405dcbd1d3ed
[INFO] [stdout]                                at /rustc/b642703cf9526da1e72c0b6755753b939a9c6b6d/library/alloc/src/boxed.rs:2036:9
[INFO] [stdout]   12:     0x55815bd3fd4f - test::test_main::{{closure}}::h4f26a9df34a84b94
[INFO] [stdout]                                at /rustc/b642703cf9526da1e72c0b6755753b939a9c6b6d/library/test/src/lib.rs:137:21
[INFO] [stdout]   13:     0x55815bf2c65b - <alloc::boxed::Box<F,A> as core::ops::function::Fn<Args>>::call::h00e96d9c62aa9a12
[INFO] [stdout]                                at /rustc/b642703cf9526da1e72c0b6755753b939a9c6b6d/library/alloc/src/boxed.rs:2036:9
[INFO] [stdout]   14:     0x55815bf2c65b - std::panicking::rust_panic_with_hook::h3c0df6036729334c
[INFO] [stdout]                                at /rustc/b642703cf9526da1e72c0b6755753b939a9c6b6d/library/std/src/panicking.rs:799:13
[INFO] [stdout]   15:     0x55815bf2c3d4 - std::panicking::begin_panic_handler::{{closure}}::ha3a21e93c4cfd807
[INFO] [stdout]                                at /rustc/b642703cf9526da1e72c0b6755753b939a9c6b6d/library/std/src/panicking.rs:664:13
[INFO] [stdout]   16:     0x55815bf2add9 - std::sys_common::backtrace::__rust_end_short_backtrace::h19508a8f8ae71dc9
[INFO] [stdout]                                at /rustc/b642703cf9526da1e72c0b6755753b939a9c6b6d/library/std/src/sys_common/backtrace.rs:171:18
[INFO] [stdout]   17:     0x55815bf2c107 - rust_begin_unwind
[INFO] [stdout]                                at /rustc/b642703cf9526da1e72c0b6755753b939a9c6b6d/library/std/src/panicking.rs:652:5
[INFO] [stdout]   18:     0x55815ba9b2b3 - core::panicking::panic_fmt::h2ba8af99174d83ea
[INFO] [stdout]                                at /rustc/b642703cf9526da1e72c0b6755753b939a9c6b6d/library/core/src/panicking.rs:72:14
[INFO] [stdout]   19:     0x55815ba9b806 - core::result::unwrap_failed::h52f3bbb78b59f71d
[INFO] [stdout]                                at /rustc/b642703cf9526da1e72c0b6755753b939a9c6b6d/library/core/src/result.rs:1654:5
[INFO] [stdout]   20:     0x55815bca635a - core::result::Result<T,E>::unwrap::h12d33d75ca13dd03
[INFO] [stdout]                                at /rustc/b642703cf9526da1e72c0b6755753b939a9c6b6d/library/core/src/result.rs:1077:23
[INFO] [stdout]   21:     0x55815bca635a - maelstrom_layer_fs::tests::Fixture::mount::{{closure}}::h76f7f34a1afa1da4
[INFO] [stdout]                                at /opt/rustwide/workdir/src/lib.rs:1175:13
[INFO] [stdout]   22:     0x55815bcaf5c5 - maelstrom_layer_fs::tests::three_layer_test::{{closure}}::h97ff2d5a406e7218
[INFO] [stdout]                                at /opt/rustwide/workdir/src/lib.rs:1569:48
[INFO] [stdout]   23:     0x55815bcc292c - maelstrom_layer_fs::tests::three_layer::{{closure}}::h84e0fe9a631994be
[INFO] [stdout]                                at /opt/rustwide/workdir/src/lib.rs:1755:10
[INFO] [stdout]   24:     0x55815bc89d52 - <core::pin::Pin<P> as core::future::future::Future>::poll::h6a85ffe21b2c4c95
[INFO] [stdout]                                at /rustc/b642703cf9526da1e72c0b6755753b939a9c6b6d/library/core/src/future/future.rs:123:9
[INFO] [stdout]   25:     0x55815bc89ccd - <core::pin::Pin<P> as core::future::future::Future>::poll::h3a17e493fe70644b
[INFO] [stdout]                                at /rustc/b642703cf9526da1e72c0b6755753b939a9c6b6d/library/core/src/future/future.rs:123:9
[INFO] [stdout]   26:     0x55815bc70c2f - tokio::runtime::scheduler::current_thread::CoreGuard::block_on::{{closure}}::{{closure}}::{{closure}}::hbcae7a313f3c6152
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/tokio-1.37.0/src/runtime/scheduler/current_thread/mod.rs:659:57
[INFO] [stdout]   27:     0x55815bc70b65 - tokio::runtime::coop::with_budget::h5ac2764e228d0de6
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/tokio-1.37.0/src/runtime/coop.rs:107:5
[INFO] [stdout]   28:     0x55815bc70b65 - tokio::runtime::coop::budget::hc658c8e4cb0a0c8d
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/tokio-1.37.0/src/runtime/coop.rs:73:5
[INFO] [stdout]   29:     0x55815bc70b65 - tokio::runtime::scheduler::current_thread::CoreGuard::block_on::{{closure}}::{{closure}}::h12e10693abf9f854
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/tokio-1.37.0/src/runtime/scheduler/current_thread/mod.rs:659:25
[INFO] [stdout]   30:     0x55815bc6f650 - tokio::runtime::scheduler::current_thread::Context::enter::h1a25ea7e5529a0a0
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/tokio-1.37.0/src/runtime/scheduler/current_thread/mod.rs:404:19
[INFO] [stdout]   31:     0x55815bc703eb - tokio::runtime::scheduler::current_thread::CoreGuard::block_on::{{closure}}::h938371df17317d12
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/tokio-1.37.0/src/runtime/scheduler/current_thread/mod.rs:658:36
[INFO] [stdout]   32:     0x55815bc70164 - tokio::runtime::scheduler::current_thread::CoreGuard::enter::{{closure}}::h23361fef9920aca5
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/tokio-1.37.0/src/runtime/scheduler/current_thread/mod.rs:737:68
[INFO] [stdout]   33:     0x55815bc351fb - tokio::runtime::context::scoped::Scoped<T>::set::hfcf659facfad285b
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/tokio-1.37.0/src/runtime/context/scoped.rs:40:9
[INFO] [stdout]   34:     0x55815bb3e999 - tokio::runtime::context::set_scheduler::{{closure}}::h2fae601fb4a4e825
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/tokio-1.37.0/src/runtime/context.rs:176:26
[INFO] [stdout]   35:     0x55815bc945a0 - std::thread::local::LocalKey<T>::try_with::hfb57897efafa1ada
[INFO] [stdout]                                at /rustc/b642703cf9526da1e72c0b6755753b939a9c6b6d/library/std/src/thread/local.rs:286:12
[INFO] [stdout]   36:     0x55815bc92c5a - std::thread::local::LocalKey<T>::with::h943317245f47db8c
[INFO] [stdout]                                at /rustc/b642703cf9526da1e72c0b6755753b939a9c6b6d/library/std/src/thread/local.rs:262:9
[INFO] [stdout]   37:     0x55815bb3e94d - tokio::runtime::context::set_scheduler::hf044fc79721ae8bb
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/tokio-1.37.0/src/runtime/context.rs:176:9
[INFO] [stdout]   38:     0x55815bc6ff10 - tokio::runtime::scheduler::current_thread::CoreGuard::enter::h4f1e663cea134727
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/tokio-1.37.0/src/runtime/scheduler/current_thread/mod.rs:737:27
[INFO] [stdout]   39:     0x55815bc70183 - tokio::runtime::scheduler::current_thread::CoreGuard::block_on::h1765e4a6caf65d57
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/tokio-1.37.0/src/runtime/scheduler/current_thread/mod.rs:646:19
[INFO] [stdout]   40:     0x55815bc6cf33 - tokio::runtime::scheduler::current_thread::CurrentThread::block_on::{{closure}}::h80daa66651dbb412
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/tokio-1.37.0/src/runtime/scheduler/current_thread/mod.rs:175:28
[INFO] [stdout]   41:     0x55815bc370d6 - tokio::runtime::context::runtime::enter_runtime::hcd80078119a75897
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/tokio-1.37.0/src/runtime/context/runtime.rs:65:16
[INFO] [stdout]   42:     0x55815bc6ce91 - tokio::runtime::scheduler::current_thread::CurrentThread::block_on::h0f169576765c3721
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/tokio-1.37.0/src/runtime/scheduler/current_thread/mod.rs:167:9
[INFO] [stdout]   43:     0x55815bc8865d - tokio::runtime::runtime::Runtime::block_on::hfd88ea622e450ffa
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/tokio-1.37.0/src/runtime/runtime.rs:349:47
[INFO] [stdout]   44:     0x55815bcc1fdf - maelstrom_layer_fs::tests::three_layer::h70bd7bc6d2a0a38e
[INFO] [stdout]                                at /opt/rustwide/workdir/src/lib.rs:1746:9
[INFO] [stdout]   45:     0x55815bcc1e67 - maelstrom_layer_fs::tests::three_layer::{{closure}}::h3980ac61dece91e3
[INFO] [stdout]                                at /opt/rustwide/workdir/src/lib.rs:1745:27
[INFO] [stdout]   46:     0x55815ba9ce56 - core::ops::function::FnOnce::call_once::h264067cfd238bbd4
[INFO] [stdout]                                at /rustc/b642703cf9526da1e72c0b6755753b939a9c6b6d/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   47:     0x55815bd4466b - core::ops::function::FnOnce::call_once::h18c6bf92212b87a4
[INFO] [stdout]                                at /rustc/b642703cf9526da1e72c0b6755753b939a9c6b6d/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   48:     0x55815bd4466b - test::__rust_begin_short_backtrace::hdcf0edcfa9080086
[INFO] [stdout]                                at /rustc/b642703cf9526da1e72c0b6755753b939a9c6b6d/library/test/src/lib.rs:625:18
[INFO] [stdout]   49:     0x55815bd43d31 - test::run_test_in_process::{{closure}}::heac2c4eb375d2d10
[INFO] [stdout]                                at /rustc/b642703cf9526da1e72c0b6755753b939a9c6b6d/library/test/src/lib.rs:648:60
[INFO] [stdout]   50:     0x55815bd43d31 - <core::panic::unwind_safe::AssertUnwindSafe<F> as core::ops::function::FnOnce<()>>::call_once::h0289bafc8a1cc004
[INFO] [stdout]                                at /rustc/b642703cf9526da1e72c0b6755753b939a9c6b6d/library/core/src/panic/unwind_safe.rs:272:9
[INFO] [stdout]   51:     0x55815bd43d31 - std::panicking::try::do_call::h5e158f1ad8a5f983
[INFO] [stdout]                                at /rustc/b642703cf9526da1e72c0b6755753b939a9c6b6d/library/std/src/panicking.rs:559:40
[INFO] [stdout]   52:     0x55815bd43d31 - std::panicking::try::hea3411d60321c4de
[INFO] [stdout]                                at /rustc/b642703cf9526da1e72c0b6755753b939a9c6b6d/library/std/src/panicking.rs:523:19
[INFO] [stdout]   53:     0x55815bd43d31 - std::panic::catch_unwind::hafb7bb18bc47bbc7
[INFO] [stdout]                                at /rustc/b642703cf9526da1e72c0b6755753b939a9c6b6d/library/std/src/panic.rs:149:14
[INFO] [stdout]   54:     0x55815bd43d31 - test::run_test_in_process::h74dd138dc7762d99
[INFO] [stdout]                                at /rustc/b642703cf9526da1e72c0b6755753b939a9c6b6d/library/test/src/lib.rs:648:27
[INFO] [stdout]   55:     0x55815bd43d31 - test::run_test::{{closure}}::h6b390822e63606cf
[INFO] [stdout]                                at /rustc/b642703cf9526da1e72c0b6755753b939a9c6b6d/library/test/src/lib.rs:569:43
[INFO] [stdout]   56:     0x55815bd0c704 - test::run_test::{{closure}}::h6e11dba8131d354b
[INFO] [stdout]                                at /rustc/b642703cf9526da1e72c0b6755753b939a9c6b6d/library/test/src/lib.rs:599:41
[INFO] [stdout]   57:     0x55815bd0c704 - std::sys_common::backtrace::__rust_begin_short_backtrace::ha71b3541b59bdbbb
[INFO] [stdout]                                at /rustc/b642703cf9526da1e72c0b6755753b939a9c6b6d/library/std/src/sys_common/backtrace.rs:155:18
[INFO] [stdout]   58:     0x55815bd111d2 - std::thread::Builder::spawn_unchecked_::{{closure}}::{{closure}}::hef92127c5ef9e53c
[INFO] [stdout]                                at /rustc/b642703cf9526da1e72c0b6755753b939a9c6b6d/library/std/src/thread/mod.rs:542:17
[INFO] [stdout]   59:     0x55815bd111d2 - <core::panic::unwind_safe::AssertUnwindSafe<F> as core::ops::function::FnOnce<()>>::call_once::h859c109f9d11c92b
[INFO] [stdout]                                at /rustc/b642703cf9526da1e72c0b6755753b939a9c6b6d/library/core/src/panic/unwind_safe.rs:272:9
[INFO] [stdout]   60:     0x55815bd111d2 - std::panicking::try::do_call::hbf534c458cd858f0
[INFO] [stdout]                                at /rustc/b642703cf9526da1e72c0b6755753b939a9c6b6d/library/std/src/panicking.rs:559:40
[INFO] [stdout]   61:     0x55815bd111d2 - std::panicking::try::h65c18365a7b9ad90
[INFO] [stdout]                                at /rustc/b642703cf9526da1e72c0b6755753b939a9c6b6d/library/std/src/panicking.rs:523:19
[INFO] [stdout]   62:     0x55815bd111d2 - std::panic::catch_unwind::h21b25d4c69478c39
[INFO] [stdout]                                at /rustc/b642703cf9526da1e72c0b6755753b939a9c6b6d/library/std/src/panic.rs:149:14
[INFO] [stdout]   63:     0x55815bd111d2 - std::thread::Builder::spawn_unchecked_::{{closure}}::h23335f620275a9bf
[INFO] [stdout]                                at /rustc/b642703cf9526da1e72c0b6755753b939a9c6b6d/library/std/src/thread/mod.rs:541:30
[INFO] [stdout]   64:     0x55815bd111d2 - core::ops::function::FnOnce::call_once{{vtable.shim}}::hb491dc55513e9b7c
[INFO] [stdout]                                at /rustc/b642703cf9526da1e72c0b6755753b939a9c6b6d/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   65:     0x55815bf321ab - <alloc::boxed::Box<F,A> as core::ops::function::FnOnce<Args>>::call_once::h41b39260afcffdc9
[INFO] [stdout]                                at /rustc/b642703cf9526da1e72c0b6755753b939a9c6b6d/library/alloc/src/boxed.rs:2022:9
[INFO] [stdout]   66:     0x55815bf321ab - <alloc::boxed::Box<F,A> as core::ops::function::FnOnce<Args>>::call_once::h6694c8dc6dd010c4
[INFO] [stdout]                                at /rustc/b642703cf9526da1e72c0b6755753b939a9c6b6d/library/alloc/src/boxed.rs:2022:9
[INFO] [stdout]   67:     0x55815bf321ab - std::sys::pal::unix::thread::Thread::new::thread_start::hf16038e1c8e19c99
[INFO] [stdout]                                at /rustc/b642703cf9526da1e72c0b6755753b939a9c6b6d/library/std/src/sys/pal/unix/thread.rs:108:17
[INFO] [stdout]   68:     0x7f5a291c4ac3 - <unknown>
[INFO] [stdout]   69:     0x7f5a29255a04 - __clone
[INFO] [stdout]   70:                0x0 - <unknown>
[INFO] [stdout] 
[INFO] [stdout] ---- tests::two_layer_large_upper_dir stdout ----
[INFO] [stdout] May 25 05:24:00.959 DEBG mounting FUSE file-system in namespace
[INFO] [stdout] thread 'tests::two_layer_large_upper_dir' panicked at src/lib.rs:1178:18:
[INFO] [stdout] called `Result::unwrap()` on an `Err` value: ENOSYS: Function not implemented
[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/index.crates.io-6f17d22bba15001f/anyhow-1.0.82/src/backtrace.rs:27:14
[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/b642703cf9526da1e72c0b6755753b939a9c6b6d/library/core/src/result.rs:1964:27
[INFO] [stdout]    2: maelstrom_fuse::fuse_mount_namespace::{{closure}}::{{closure}}
[INFO] [stdout]              at /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/maelstrom-fuse-0.8.0/src/lib.rs:127:27
[INFO] [stdout]    3: <tokio::runtime::blocking::task::BlockingTask<T> as core::future::future::Future>::poll
[INFO] [stdout]              at /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/tokio-1.37.0/src/runtime/blocking/task.rs:42:21
[INFO] [stdout]    4: tokio::runtime::task::core::Core<T,S>::poll::{{closure}}
[INFO] [stdout]              at /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/tokio-1.37.0/src/runtime/task/core.rs:328:17
[INFO] [stdout]    5: tokio::loom::std::unsafe_cell::UnsafeCell<T>::with_mut
[INFO] [stdout]              at /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/tokio-1.37.0/src/loom/std/unsafe_cell.rs:16:9
[INFO] [stdout]    6: tokio::runtime::task::core::Core<T,S>::poll
[INFO] [stdout]              at /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/tokio-1.37.0/src/runtime/task/core.rs:317:13
[INFO] [stdout]    7: tokio::runtime::task::harness::poll_future::{{closure}}
[INFO] [stdout]              at /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/tokio-1.37.0/src/runtime/task/harness.rs:485:19
[INFO] [stdout]    8: <core::panic::unwind_safe::AssertUnwindSafe<F> as core::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]              at /rustc/b642703cf9526da1e72c0b6755753b939a9c6b6d/library/core/src/panic/unwind_safe.rs:272:9
[INFO] [stdout]    9: std::panicking::try::do_call
[INFO] [stdout]              at /rustc/b642703cf9526da1e72c0b6755753b939a9c6b6d/library/std/src/panicking.rs:559:40
[INFO] [stdout]   10: __rust_try
[INFO] [stdout]   11: std::panicking::try
[INFO] [stdout]              at /rustc/b642703cf9526da1e72c0b6755753b939a9c6b6d/library/std/src/panicking.rs:523:19
[INFO] [stdout]   12: std::panic::catch_unwind
[INFO] [stdout]              at /rustc/b642703cf9526da1e72c0b6755753b939a9c6b6d/library/std/src/panic.rs:149:14
[INFO] [stdout]   13: tokio::runtime::task::harness::poll_future
[INFO] [stdout]              at /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/tokio-1.37.0/src/runtime/task/harness.rs:473:18
[INFO] [stdout]   14: tokio::runtime::task::harness::Harness<T,S>::poll_inner
[INFO] [stdout]              at /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/tokio-1.37.0/src/runtime/task/harness.rs:208:27
[INFO] [stdout]   15: tokio::runtime::task::harness::Harness<T,S>::poll
[INFO] [stdout]              at /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/tokio-1.37.0/src/runtime/task/harness.rs:153:15
[INFO] [stdout]   16: tokio::runtime::task::raw::poll
[INFO] [stdout]              at /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/tokio-1.37.0/src/runtime/task/raw.rs:271:5
[INFO] [stdout]   17: tokio::runtime::task::raw::RawTask::poll
[INFO] [stdout]              at /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/tokio-1.37.0/src/runtime/task/raw.rs:201:18
[INFO] [stdout]   18: tokio::runtime::task::UnownedTask<S>::run
[INFO] [stdout]              at /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/tokio-1.37.0/src/runtime/task/mod.rs:464:9
[INFO] [stdout]   19: tokio::runtime::blocking::pool::Task::run
[INFO] [stdout]              at /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/tokio-1.37.0/src/runtime/blocking/pool.rs:159:9
[INFO] [stdout]   20: tokio::runtime::blocking::pool::Inner::run
[INFO] [stdout]              at /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/tokio-1.37.0/src/runtime/blocking/pool.rs:513:17
[INFO] [stdout]   21: tokio::runtime::blocking::pool::Spawner::spawn_thread::{{closure}}
[INFO] [stdout]              at /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/tokio-1.37.0/src/runtime/blocking/pool.rs:471:13
[INFO] [stdout]   22: std::sys_common::backtrace::__rust_begin_short_backtrace
[INFO] [stdout]              at /rustc/b642703cf9526da1e72c0b6755753b939a9c6b6d/library/std/src/sys_common/backtrace.rs:155:18
[INFO] [stdout]   23: std::thread::Builder::spawn_unchecked_::{{closure}}::{{closure}}
[INFO] [stdout]              at /rustc/b642703cf9526da1e72c0b6755753b939a9c6b6d/library/std/src/thread/mod.rs:542:17
[INFO] [stdout]   24: <core::panic::unwind_safe::AssertUnwindSafe<F> as core::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]              at /rustc/b642703cf9526da1e72c0b6755753b939a9c6b6d/library/core/src/panic/unwind_safe.rs:272:9
[INFO] [stdout]   25: std::panicking::try::do_call
[INFO] [stdout]              at /rustc/b642703cf9526da1e72c0b6755753b939a9c6b6d/library/std/src/panicking.rs:559:40
[INFO] [stdout]   26: __rust_try
[INFO] [stdout]   27: std::panicking::try
[INFO] [stdout]              at /rustc/b642703cf9526da1e72c0b6755753b939a9c6b6d/library/std/src/panicking.rs:523:19
[INFO] [stdout]   28: std::panic::catch_unwind
[INFO] [stdout]              at /rustc/b642703cf9526da1e72c0b6755753b939a9c6b6d/library/std/src/panic.rs:149:14
[INFO] [stdout]   29: std::thread::Builder::spawn_unchecked_::{{closure}}
[INFO] [stdout]              at /rustc/b642703cf9526da1e72c0b6755753b939a9c6b6d/library/std/src/thread/mod.rs:541:30
[INFO] [stdout]   30: core::ops::function::FnOnce::call_once{{vtable.shim}}
[INFO] [stdout]              at /rustc/b642703cf9526da1e72c0b6755753b939a9c6b6d/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   31: <alloc::boxed::Box<F,A> as core::ops::function::FnOnce<Args>>::call_once
[INFO] [stdout]              at /rustc/b642703cf9526da1e72c0b6755753b939a9c6b6d/library/alloc/src/boxed.rs:2022:9
[INFO] [stdout]   32: <alloc::boxed::Box<F,A> as core::ops::function::FnOnce<Args>>::call_once
[INFO] [stdout]              at /rustc/b642703cf9526da1e72c0b6755753b939a9c6b6d/library/alloc/src/boxed.rs:2022:9
[INFO] [stdout]   33: std::sys::pal::unix::thread::Thread::new::thread_start
[INFO] [stdout]              at /rustc/b642703cf9526da1e72c0b6755753b939a9c6b6d/library/std/src/sys/pal/unix/thread.rs:108:17
[INFO] [stdout]   34: <unknown>
[INFO] [stdout]   35: __clone
[INFO] [stdout] stack backtrace:
[INFO] [stdout]    0:     0x55815bf2a915 - std::backtrace_rs::backtrace::libunwind::trace::he49dc9a9e3164223
[INFO] [stdout]                                at /rustc/b642703cf9526da1e72c0b6755753b939a9c6b6d/library/std/src/../../backtrace/src/backtrace/libunwind.rs:105:5
[INFO] [stdout]    1:     0x55815bf2a915 - std::backtrace_rs::backtrace::trace_unsynchronized::h3a3e77c68030aa6b
[INFO] [stdout]                                at /rustc/b642703cf9526da1e72c0b6755753b939a9c6b6d/library/std/src/../../backtrace/src/backtrace/mod.rs:66:5
[INFO] [stdout]    2:     0x55815bf2a915 - std::sys_common::backtrace::_print_fmt::h9479ad2f99afd5d4
[INFO] [stdout]                                at /rustc/b642703cf9526da1e72c0b6755753b939a9c6b6d/library/std/src/sys_common/backtrace.rs:68:5
[INFO] [stdout]    3:     0x55815bf2a915 - <std::sys_common::backtrace::_print::DisplayBacktrace as core::fmt::Display>::fmt::hfb01aa1fa3fb1821
[INFO] [stdout]                                at /rustc/b642703cf9526da1e72c0b6755753b939a9c6b6d/library/std/src/sys_common/backtrace.rs:44:22
[INFO] [stdout]    4:     0x55815bf53beb - core::fmt::rt::Argument::fmt::h125e56152abbc1c3
[INFO] [stdout]                                at /rustc/b642703cf9526da1e72c0b6755753b939a9c6b6d/library/core/src/fmt/rt.rs:165:63
[INFO] [stdout]    5:     0x55815bf53beb - core::fmt::write::hb0ab4ff05ccfe741
[INFO] [stdout]                                at /rustc/b642703cf9526da1e72c0b6755753b939a9c6b6d/library/core/src/fmt/mod.rs:1169:21
[INFO] [stdout]    6:     0x55815bf27bcf - std::io::Write::write_fmt::hea6336dbf2fa00b8
[INFO] [stdout]                                at /rustc/b642703cf9526da1e72c0b6755753b939a9c6b6d/library/std/src/io/mod.rs:1835:15
[INFO] [stdout]    7:     0x55815bf2a6ee - std::sys_common::backtrace::_print::h79ca548f3a2adf4b
[INFO] [stdout]                                at /rustc/b642703cf9526da1e72c0b6755753b939a9c6b6d/library/std/src/sys_common/backtrace.rs:47:5
[INFO] [stdout]    8:     0x55815bf2a6ee - std::sys_common::backtrace::print::h9aebf997b2fea2d3
[INFO] [stdout]                                at /rustc/b642703cf9526da1e72c0b6755753b939a9c6b6d/library/std/src/sys_common/backtrace.rs:34:9
[INFO] [stdout]    9:     0x55815bf2c059 - std::panicking::default_hook::{{closure}}::h68a0954af2694526
[INFO] [stdout]   10:     0x55815bf2bdac - std::panicking::default_hook::h5be50cc6849ffb00
[INFO] [stdout]                                at /rustc/b642703cf9526da1e72c0b6755753b939a9c6b6d/library/std/src/panicking.rs:295:9
[INFO] [stdout]   11:     0x55815bd3fd4f - <alloc::boxed::Box<F,A> as core::ops::function::Fn<Args>>::call::hd874405dcbd1d3ed
[INFO] [stdout]                                at /rustc/b642703cf9526da1e72c0b6755753b939a9c6b6d/library/alloc/src/boxed.rs:2036:9
[INFO] [stdout]   12:     0x55815bd3fd4f - test::test_main::{{closure}}::h4f26a9df34a84b94
[INFO] [stdout]                                at /rustc/b642703cf9526da1e72c0b6755753b939a9c6b6d/library/test/src/lib.rs:137:21
[INFO] [stdout]   13:     0x55815bf2c65b - <alloc::boxed::Box<F,A> as core::ops::function::Fn<Args>>::call::h00e96d9c62aa9a12
[INFO] [stdout]                                at /rustc/b642703cf9526da1e72c0b6755753b939a9c6b6d/library/alloc/src/boxed.rs:2036:9
[INFO] [stdout]   14:     0x55815bf2c65b - std::panicking::rust_panic_with_hook::h3c0df6036729334c
[INFO] [stdout]                                at /rustc/b642703cf9526da1e72c0b6755753b939a9c6b6d/library/std/src/panicking.rs:799:13
[INFO] [stdout]   15:     0x55815bf2c3d4 - std::panicking::begin_panic_handler::{{closure}}::ha3a21e93c4cfd807
[INFO] [stdout]                                at /rustc/b642703cf9526da1e72c0b6755753b939a9c6b6d/library/std/src/panicking.rs:664:13
[INFO] [stdout]   16:     0x55815bf2add9 - std::sys_common::backtrace::__rust_end_short_backtrace::h19508a8f8ae71dc9
[INFO] [stdout]                                at /rustc/b642703cf9526da1e72c0b6755753b939a9c6b6d/library/std/src/sys_common/backtrace.rs:171:18
[INFO] [stdout]   17:     0x55815bf2c107 - rust_begin_unwind
[INFO] [stdout]                                at /rustc/b642703cf9526da1e72c0b6755753b939a9c6b6d/library/std/src/panicking.rs:652:5
[INFO] [stdout]   18:     0x55815ba9b2b3 - core::panicking::panic_fmt::h2ba8af99174d83ea
[INFO] [stdout]                                at /rustc/b642703cf9526da1e72c0b6755753b939a9c6b6d/library/core/src/panicking.rs:72:14
[INFO] [stdout]   19:     0x55815ba9b806 - core::result::unwrap_failed::h52f3bbb78b59f71d
[INFO] [stdout]                                at /rustc/b642703cf9526da1e72c0b6755753b939a9c6b6d/library/core/src/result.rs:1654:5
[INFO] [stdout]   20:     0x55815bca635a - core::result::Result<T,E>::unwrap::h12d33d75ca13dd03
[INFO] [stdout]                                at /rustc/b642703cf9526da1e72c0b6755753b939a9c6b6d/library/core/src/result.rs:1077:23
[INFO] [stdout]   21:     0x55815bca635a - maelstrom_layer_fs::tests::Fixture::mount::{{closure}}::h76f7f34a1afa1da4
[INFO] [stdout]                                at /opt/rustwide/workdir/src/lib.rs:1175:13
[INFO] [stdout]   22:     0x55815bcadf73 - maelstrom_layer_fs::tests::two_layer_test::{{closure}}::hf53889b09a73f9cb
[INFO] [stdout]                                at /opt/rustwide/workdir/src/lib.rs:1537:48
[INFO] [stdout]   23:     0x55815bcbca6b - maelstrom_layer_fs::tests::two_layer_large_upper_dir::{{closure}}::h3a952d80fe2540fe
[INFO] [stdout]                                at /opt/rustwide/workdir/src/lib.rs:1630:10
[INFO] [stdout]   24:     0x55815bc89d52 - <core::pin::Pin<P> as core::future::future::Future>::poll::h6a85ffe21b2c4c95
[INFO] [stdout]                                at /rustc/b642703cf9526da1e72c0b6755753b939a9c6b6d/library/core/src/future/future.rs:123:9
[INFO] [stdout]   25:     0x55815bc89ccd - <core::pin::Pin<P> as core::future::future::Future>::poll::h3a17e493fe70644b
[INFO] [stdout]                                at /rustc/b642703cf9526da1e72c0b6755753b939a9c6b6d/library/core/src/future/future.rs:123:9
[INFO] [stdout]   26:     0x55815bc70c2f - tokio::runtime::scheduler::current_thread::CoreGuard::block_on::{{closure}}::{{closure}}::{{closure}}::hbcae7a313f3c6152
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/tokio-1.37.0/src/runtime/scheduler/current_thread/mod.rs:659:57
[INFO] [stdout]   27:     0x55815bc70b65 - tokio::runtime::coop::with_budget::h5ac2764e228d0de6
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/tokio-1.37.0/src/runtime/coop.rs:107:5
[INFO] [stdout]   28:     0x55815bc70b65 - tokio::runtime::coop::budget::hc658c8e4cb0a0c8d
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/tokio-1.37.0/src/runtime/coop.rs:73:5
[INFO] [stdout]   29:     0x55815bc70b65 - tokio::runtime::scheduler::current_thread::CoreGuard::block_on::{{closure}}::{{closure}}::h12e10693abf9f854
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/tokio-1.37.0/src/runtime/scheduler/current_thread/mod.rs:659:25
[INFO] [stdout]   30:     0x55815bc6f650 - tokio::runtime::scheduler::current_thread::Context::enter::h1a25ea7e5529a0a0
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/tokio-1.37.0/src/runtime/scheduler/current_thread/mod.rs:404:19
[INFO] [stdout]   31:     0x55815bc703eb - tokio::runtime::scheduler::current_thread::CoreGuard::block_on::{{closure}}::h938371df17317d12
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/tokio-1.37.0/src/runtime/scheduler/current_thread/mod.rs:658:36
[INFO] [stdout]   32:     0x55815bc70164 - tokio::runtime::scheduler::current_thread::CoreGuard::enter::{{closure}}::h23361fef9920aca5
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/tokio-1.37.0/src/runtime/scheduler/current_thread/mod.rs:737:68
[INFO] [stdout]   33:     0x55815bc351fb - tokio::runtime::context::scoped::Scoped<T>::set::hfcf659facfad285b
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/tokio-1.37.0/src/runtime/context/scoped.rs:40:9
[INFO] [stderr] error: test failed, to rerun pass `--lib`
[INFO] [stdout]   34:     0x55815bb3e999 - tokio::runtime::context::set_scheduler::{{closure}}::h2fae601fb4a4e825
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/tokio-1.37.0/src/runtime/context.rs:176:26
[INFO] [stdout]   35:     0x55815bc945a0 - std::thread::local::LocalKey<T>::try_with::hfb57897efafa1ada
[INFO] [stdout]                                at /rustc/b642703cf9526da1e72c0b6755753b939a9c6b6d/library/std/src/thread/local.rs:286:12
[INFO] [stdout]   36:     0x55815bc92c5a - std::thread::local::LocalKey<T>::with::h943317245f47db8c
[INFO] [stdout]                                at /rustc/b642703cf9526da1e72c0b6755753b939a9c6b6d/library/std/src/thread/local.rs:262:9
[INFO] [stdout]   37:     0x55815bb3e94d - tokio::runtime::context::set_scheduler::hf044fc79721ae8bb
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/tokio-1.37.0/src/runtime/context.rs:176:9
[INFO] [stdout]   38:     0x55815bc6ff10 - tokio::runtime::scheduler::current_thread::CoreGuard::enter::h4f1e663cea134727
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/tokio-1.37.0/src/runtime/scheduler/current_thread/mod.rs:737:27
[INFO] [stdout]   39:     0x55815bc70183 - tokio::runtime::scheduler::current_thread::CoreGuard::block_on::h1765e4a6caf65d57
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/tokio-1.37.0/src/runtime/scheduler/current_thread/mod.rs:646:19
[INFO] [stdout]   40:     0x55815bc6cf33 - tokio::runtime::scheduler::current_thread::CurrentThread::block_on::{{closure}}::h80daa66651dbb412
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/tokio-1.37.0/src/runtime/scheduler/current_thread/mod.rs:175:28
[INFO] [stdout]   41:     0x55815bc370d6 - tokio::runtime::context::runtime::enter_runtime::hcd80078119a75897
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/tokio-1.37.0/src/runtime/context/runtime.rs:65:16
[INFO] [stdout]   42:     0x55815bc6ce91 - tokio::runtime::scheduler::current_thread::CurrentThread::block_on::h0f169576765c3721
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/tokio-1.37.0/src/runtime/scheduler/current_thread/mod.rs:167:9
[INFO] [stdout]   43:     0x55815bc8865d - tokio::runtime::runtime::Runtime::block_on::hfd88ea622e450ffa
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/tokio-1.37.0/src/runtime/runtime.rs:349:47
[INFO] [stdout]   44:     0x55815bcbc290 - maelstrom_layer_fs::tests::two_layer_large_upper_dir::h1921a6e91b1803ec
[INFO] [stdout]                                at /opt/rustwide/workdir/src/lib.rs:1622:9
[INFO] [stdout]   45:     0x55815bcbc127 - maelstrom_layer_fs::tests::two_layer_large_upper_dir::{{closure}}::hed4e260f5ee30588
[INFO] [stdout]                                at /opt/rustwide/workdir/src/lib.rs:1621:41
[INFO] [stdout]   46:     0x55815baa0726 - core::ops::function::FnOnce::call_once::hf048cd32723948b9
[INFO] [stdout]                                at /rustc/b642703cf9526da1e72c0b6755753b939a9c6b6d/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   47:     0x55815bd4466b - core::ops::function::FnOnce::call_once::h18c6bf92212b87a4
[INFO] [stdout]                                at /rustc/b642703cf9526da1e72c0b6755753b939a9c6b6d/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   48:     0x55815bd4466b - test::__rust_begin_short_backtrace::hdcf0edcfa9080086
[INFO] [stdout]                                at /rustc/b642703cf9526da1e72c0b6755753b939a9c6b6d/library/test/src/lib.rs:625:18
[INFO] [stdout]   49:     0x55815bd43d31 - test::run_test_in_process::{{closure}}::heac2c4eb375d2d10
[INFO] [stdout]                                at /rustc/b642703cf9526da1e72c0b6755753b939a9c6b6d/library/test/src/lib.rs:648:60
[INFO] [stdout]   50:     0x55815bd43d31 - <core::panic::unwind_safe::AssertUnwindSafe<F> as core::ops::function::FnOnce<()>>::call_once::h0289bafc8a1cc004
[INFO] [stdout]                                at /rustc/b642703cf9526da1e72c0b6755753b939a9c6b6d/library/core/src/panic/unwind_safe.rs:272:9
[INFO] [stdout]   51:     0x55815bd43d31 - std::panicking::try::do_call::h5e158f1ad8a5f983
[INFO] [stdout]                                at /rustc/b642703cf9526da1e72c0b6755753b939a9c6b6d/library/std/src/panicking.rs:559:40
[INFO] [stdout]   52:     0x55815bd43d31 - std::panicking::try::hea3411d60321c4de
[INFO] [stdout]                                at /rustc/b642703cf9526da1e72c0b6755753b939a9c6b6d/library/std/src/panicking.rs:523:19
[INFO] [stdout]   53:     0x55815bd43d31 - std::panic::catch_unwind::hafb7bb18bc47bbc7
[INFO] [stdout]                                at /rustc/b642703cf9526da1e72c0b6755753b939a9c6b6d/library/std/src/panic.rs:149:14
[INFO] [stdout]   54:     0x55815bd43d31 - test::run_test_in_process::h74dd138dc7762d99
[INFO] [stdout]                                at /rustc/b642703cf9526da1e72c0b6755753b939a9c6b6d/library/test/src/lib.rs:648:27
[INFO] [stdout]   55:     0x55815bd43d31 - test::run_test::{{closure}}::h6b390822e63606cf
[INFO] [stdout]                                at /rustc/b642703cf9526da1e72c0b6755753b939a9c6b6d/library/test/src/lib.rs:569:43
[INFO] [stdout]   56:     0x55815bd0c704 - test::run_test::{{closure}}::h6e11dba8131d354b
[INFO] [stdout]                                at /rustc/b642703cf9526da1e72c0b6755753b939a9c6b6d/library/test/src/lib.rs:599:41
[INFO] [stdout]   57:     0x55815bd0c704 - std::sys_common::backtrace::__rust_begin_short_backtrace::ha71b3541b59bdbbb
[INFO] [stdout]                                at /rustc/b642703cf9526da1e72c0b6755753b939a9c6b6d/library/std/src/sys_common/backtrace.rs:155:18
[INFO] [stdout]   58:     0x55815bd111d2 - std::thread::Builder::spawn_unchecked_::{{closure}}::{{closure}}::hef92127c5ef9e53c
[INFO] [stdout]                                at /rustc/b642703cf9526da1e72c0b6755753b939a9c6b6d/library/std/src/thread/mod.rs:542:17
[INFO] [stdout]   59:     0x55815bd111d2 - <core::panic::unwind_safe::AssertUnwindSafe<F> as core::ops::function::FnOnce<()>>::call_once::h859c109f9d11c92b
[INFO] [stdout]                                at /rustc/b642703cf9526da1e72c0b6755753b939a9c6b6d/library/core/src/panic/unwind_safe.rs:272:9
[INFO] [stdout]   60:     0x55815bd111d2 - std::panicking::try::do_call::hbf534c458cd858f0
[INFO] [stdout]                                at /rustc/b642703cf9526da1e72c0b6755753b939a9c6b6d/library/std/src/panicking.rs:559:40
[INFO] [stdout]   61:     0x55815bd111d2 - std::panicking::try::h65c18365a7b9ad90
[INFO] [stdout]                                at /rustc/b642703cf9526da1e72c0b6755753b939a9c6b6d/library/std/src/panicking.rs:523:19
[INFO] [stdout]   62:     0x55815bd111d2 - std::panic::catch_unwind::h21b25d4c69478c39
[INFO] [stdout]                                at /rustc/b642703cf9526da1e72c0b6755753b939a9c6b6d/library/std/src/panic.rs:149:14
[INFO] [stdout]   63:     0x55815bd111d2 - std::thread::Builder::spawn_unchecked_::{{closure}}::h23335f620275a9bf
[INFO] [stdout]                                at /rustc/b642703cf9526da1e72c0b6755753b939a9c6b6d/library/std/src/thread/mod.rs:541:30
[INFO] [stdout]   64:     0x55815bd111d2 - core::ops::function::FnOnce::call_once{{vtable.shim}}::hb491dc55513e9b7c
[INFO] [stdout]                                at /rustc/b642703cf9526da1e72c0b6755753b939a9c6b6d/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   65:     0x55815bf321ab - <alloc::boxed::Box<F,A> as core::ops::function::FnOnce<Args>>::call_once::h41b39260afcffdc9
[INFO] [stdout]                                at /rustc/b642703cf9526da1e72c0b6755753b939a9c6b6d/library/alloc/src/boxed.rs:2022:9
[INFO] [stdout]   66:     0x55815bf321ab - <alloc::boxed::Box<F,A> as core::ops::function::FnOnce<Args>>::call_once::h6694c8dc6dd010c4
[INFO] [stdout]                                at /rustc/b642703cf9526da1e72c0b6755753b939a9c6b6d/library/alloc/src/boxed.rs:2022:9
[INFO] [stdout]   67:     0x55815bf321ab - std::sys::pal::unix::thread::Thread::new::thread_start::hf16038e1c8e19c99
[INFO] [stdout]                                at /rustc/b642703cf9526da1e72c0b6755753b939a9c6b6d/library/std/src/sys/pal/unix/thread.rs:108:17
[INFO] [stdout]   68:     0x7f5a291c4ac3 - <unknown>
[INFO] [stdout]   69:     0x7f5a29255a04 - __clone
[INFO] [stdout]   70:                0x0 - <unknown>
[INFO] [stdout] 
[INFO] [stdout] ---- tests::two_layer_with_whiteout_of_directory stdout ----
[INFO] [stdout] May 25 05:24:00.961 DEBG mounting FUSE file-system in namespace
[INFO] [stdout] thread 'tests::two_layer_with_whiteout_of_directory' panicked at src/lib.rs:1178:18:
[INFO] [stdout] called `Result::unwrap()` on an `Err` value: ENOSYS: Function not implemented
[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/index.crates.io-6f17d22bba15001f/anyhow-1.0.82/src/backtrace.rs:27:14
[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/b642703cf9526da1e72c0b6755753b939a9c6b6d/library/core/src/result.rs:1964:27
[INFO] [stdout]    2: maelstrom_fuse::fuse_mount_namespace::{{closure}}::{{closure}}
[INFO] [stdout]              at /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/maelstrom-fuse-0.8.0/src/lib.rs:127:27
[INFO] [stdout]    3: <tokio::runtime::blocking::task::BlockingTask<T> as core::future::future::Future>::poll
[INFO] [stdout]              at /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/tokio-1.37.0/src/runtime/blocking/task.rs:42:21
[INFO] [stdout]    4: tokio::runtime::task::core::Core<T,S>::poll::{{closure}}
[INFO] [stdout]              at /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/tokio-1.37.0/src/runtime/task/core.rs:328:17
[INFO] [stdout]    5: tokio::loom::std::unsafe_cell::UnsafeCell<T>::with_mut
[INFO] [stdout]              at /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/tokio-1.37.0/src/loom/std/unsafe_cell.rs:16:9
[INFO] [stdout]    6: tokio::runtime::task::core::Core<T,S>::poll
[INFO] [stdout]              at /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/tokio-1.37.0/src/runtime/task/core.rs:317:13
[INFO] [stdout]    7: tokio::runtime::task::harness::poll_future::{{closure}}
[INFO] [stdout]              at /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/tokio-1.37.0/src/runtime/task/harness.rs:485:19
[INFO] [stdout]    8: <core::panic::unwind_safe::AssertUnwindSafe<F> as core::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]              at /rustc/b642703cf9526da1e72c0b6755753b939a9c6b6d/library/core/src/panic/unwind_safe.rs:272:9
[INFO] [stdout]    9: std::panicking::try::do_call
[INFO] [stdout]              at /rustc/b642703cf9526da1e72c0b6755753b939a9c6b6d/library/std/src/panicking.rs:559:40
[INFO] [stdout]   10: __rust_try
[INFO] [stdout]   11: std::panicking::try
[INFO] [stdout]              at /rustc/b642703cf9526da1e72c0b6755753b939a9c6b6d/library/std/src/panicking.rs:523:19
[INFO] [stdout]   12: std::panic::catch_unwind
[INFO] [stdout]              at /rustc/b642703cf9526da1e72c0b6755753b939a9c6b6d/library/std/src/panic.rs:149:14
[INFO] [stdout]   13: tokio::runtime::task::harness::poll_future
[INFO] [stdout]              at /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/tokio-1.37.0/src/runtime/task/harness.rs:473:18
[INFO] [stdout]   14: tokio::runtime::task::harness::Harness<T,S>::poll_inner
[INFO] [stdout]              at /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/tokio-1.37.0/src/runtime/task/harness.rs:208:27
[INFO] [stdout]   15: tokio::runtime::task::harness::Harness<T,S>::poll
[INFO] [stdout]              at /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/tokio-1.37.0/src/runtime/task/harness.rs:153:15
[INFO] [stdout]   16: tokio::runtime::task::raw::poll
[INFO] [stdout]              at /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/tokio-1.37.0/src/runtime/task/raw.rs:271:5
[INFO] [stdout]   17: tokio::runtime::task::raw::RawTask::poll
[INFO] [stdout]              at /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/tokio-1.37.0/src/runtime/task/raw.rs:201:18
[INFO] [stdout]   18: tokio::runtime::task::UnownedTask<S>::run
[INFO] [stdout]              at /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/tokio-1.37.0/src/runtime/task/mod.rs:464:9
[INFO] [stdout]   19: tokio::runtime::blocking::pool::Task::run
[INFO] [stdout]              at /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/tokio-1.37.0/src/runtime/blocking/pool.rs:159:9
[INFO] [stdout]   20: tokio::runtime::blocking::pool::Inner::run
[INFO] [stdout]              at /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/tokio-1.37.0/src/runtime/blocking/pool.rs:513:17
[INFO] [stdout]   21: tokio::runtime::blocking::pool::Spawner::spawn_thread::{{closure}}
[INFO] [stdout]              at /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/tokio-1.37.0/src/runtime/blocking/pool.rs:471:13
[INFO] [stdout]   22: std::sys_common::backtrace::__rust_begin_short_backtrace
[INFO] [stdout]              at /rustc/b642703cf9526da1e72c0b6755753b939a9c6b6d/library/std/src/sys_common/backtrace.rs:155:18
[INFO] [stdout]   23: std::thread::Builder::spawn_unchecked_::{{closure}}::{{closure}}
[INFO] [stdout]              at /rustc/b642703cf9526da1e72c0b6755753b939a9c6b6d/library/std/src/thread/mod.rs:542:17
[INFO] [stdout]   24: <core::panic::unwind_safe::AssertUnwindSafe<F> as core::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]              at /rustc/b642703cf9526da1e72c0b6755753b939a9c6b6d/library/core/src/panic/unwind_safe.rs:272:9
[INFO] [stdout]   25: std::panicking::try::do_call
[INFO] [stdout]              at /rustc/b642703cf9526da1e72c0b6755753b939a9c6b6d/library/std/src/panicking.rs:559:40
[INFO] [stdout]   26: __rust_try
[INFO] [stdout]   27: std::panicking::try
[INFO] [stdout]              at /rustc/b642703cf9526da1e72c0b6755753b939a9c6b6d/library/std/src/panicking.rs:523:19
[INFO] [stdout]   28: std::panic::catch_unwind
[INFO] [stdout]              at /rustc/b642703cf9526da1e72c0b6755753b939a9c6b6d/library/std/src/panic.rs:149:14
[INFO] [stdout]   29: std::thread::Builder::spawn_unchecked_::{{closure}}
[INFO] [stdout]              at /rustc/b642703cf9526da1e72c0b6755753b939a9c6b6d/library/std/src/thread/mod.rs:541:30
[INFO] [stdout]   30: core::ops::function::FnOnce::call_once{{vtable.shim}}
[INFO] [stdout]              at /rustc/b642703cf9526da1e72c0b6755753b939a9c6b6d/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   31: <alloc::boxed::Box<F,A> as core::ops::function::FnOnce<Args>>::call_once
[INFO] [stdout]              at /rustc/b642703cf9526da1e72c0b6755753b939a9c6b6d/library/alloc/src/boxed.rs:2022:9
[INFO] [stdout]   32: <alloc::boxed::Box<F,A> as core::ops::function::FnOnce<Args>>::call_once
[INFO] [stdout]              at /rustc/b642703cf9526da1e72c0b6755753b939a9c6b6d/library/alloc/src/boxed.rs:2022:9
[INFO] [stdout]   33: std::sys::pal::unix::thread::Thread::new::thread_start
[INFO] [stdout]              at /rustc/b642703cf9526da1e72c0b6755753b939a9c6b6d/library/std/src/sys/pal/unix/thread.rs:108:17
[INFO] [stdout]   34: <unknown>
[INFO] [stdout]   35: __clone
[INFO] [stdout] stack backtrace:
[INFO] [stdout]    0:     0x55815bf2a915 - std::backtrace_rs::backtrace::libunwind::trace::he49dc9a9e3164223
[INFO] [stdout]                                at /rustc/b642703cf9526da1e72c0b6755753b939a9c6b6d/library/std/src/../../backtrace/src/backtrace/libunwind.rs:105:5
[INFO] [stdout]    1:     0x55815bf2a915 - std::backtrace_rs::backtrace::trace_unsynchronized::h3a3e77c68030aa6b
[INFO] [stdout]                                at /rustc/b642703cf9526da1e72c0b6755753b939a9c6b6d/library/std/src/../../backtrace/src/backtrace/mod.rs:66:5
[INFO] [stdout]    2:     0x55815bf2a915 - std::sys_common::backtrace::_print_fmt::h9479ad2f99afd5d4
[INFO] [stdout]                                at /rustc/b642703cf9526da1e72c0b6755753b939a9c6b6d/library/std/src/sys_common/backtrace.rs:68:5
[INFO] [stdout]    3:     0x55815bf2a915 - <std::sys_common::backtrace::_print::DisplayBacktrace as core::fmt::Display>::fmt::hfb01aa1fa3fb1821
[INFO] [stdout]                                at /rustc/b642703cf9526da1e72c0b6755753b939a9c6b6d/library/std/src/sys_common/backtrace.rs:44:22
[INFO] [stdout]    4:     0x55815bf53beb - core::fmt::rt::Argument::fmt::h125e56152abbc1c3
[INFO] [stdout]                                at /rustc/b642703cf9526da1e72c0b6755753b939a9c6b6d/library/core/src/fmt/rt.rs:165:63
[INFO] [stdout]    5:     0x55815bf53beb - core::fmt::write::hb0ab4ff05ccfe741
[INFO] [stdout]                                at /rustc/b642703cf9526da1e72c0b6755753b939a9c6b6d/library/core/src/fmt/mod.rs:1169:21
[INFO] [stdout]    6:     0x55815bf27bcf - std::io::Write::write_fmt::hea6336dbf2fa00b8
[INFO] [stdout]                                at /rustc/b642703cf9526da1e72c0b6755753b939a9c6b6d/library/std/src/io/mod.rs:1835:15
[INFO] [stdout]    7:     0x55815bf2a6ee - std::sys_common::backtrace::_print::h79ca548f3a2adf4b
[INFO] [stdout]                                at /rustc/b642703cf9526da1e72c0b6755753b939a9c6b6d/library/std/src/sys_common/backtrace.rs:47:5
[INFO] [stdout]    8:     0x55815bf2a6ee - std::sys_common::backtrace::print::h9aebf997b2fea2d3
[INFO] [stdout]                                at /rustc/b642703cf9526da1e72c0b6755753b939a9c6b6d/library/std/src/sys_common/backtrace.rs:34:9
[INFO] [stdout]    9:     0x55815bf2c059 - std::panicking::default_hook::{{closure}}::h68a0954af2694526
[INFO] [stdout]   10:     0x55815bf2bdac - std::panicking::default_hook::h5be50cc6849ffb00
[INFO] [stdout]                                at /rustc/b642703cf9526da1e72c0b6755753b939a9c6b6d/library/std/src/panicking.rs:295:9
[INFO] [stdout]   11:     0x55815bd3fd4f - <alloc::boxed::Box<F,A> as core::ops::function::Fn<Args>>::call::hd874405dcbd1d3ed
[INFO] [stdout]                                at /rustc/b642703cf9526da1e72c0b6755753b939a9c6b6d/library/alloc/src/boxed.rs:2036:9
[INFO] [stdout]   12:     0x55815bd3fd4f - test::test_main::{{closure}}::h4f26a9df34a84b94
[INFO] [stdout]                                at /rustc/b642703cf9526da1e72c0b6755753b939a9c6b6d/library/test/src/lib.rs:137:21
[INFO] [stdout]   13:     0x55815bf2c65b - <alloc::boxed::Box<F,A> as core::ops::function::Fn<Args>>::call::h00e96d9c62aa9a12
[INFO] [stdout]                                at /rustc/b642703cf9526da1e72c0b6755753b939a9c6b6d/library/alloc/src/boxed.rs:2036:9
[INFO] [stdout]   14:     0x55815bf2c65b - std::panicking::rust_panic_with_hook::h3c0df6036729334c
[INFO] [stdout]                                at /rustc/b642703cf9526da1e72c0b6755753b939a9c6b6d/library/std/src/panicking.rs:799:13
[INFO] [stdout]   15:     0x55815bf2c3d4 - std::panicking::begin_panic_handler::{{closure}}::ha3a21e93c4cfd807
[INFO] [stdout]                                at /rustc/b642703cf9526da1e72c0b6755753b939a9c6b6d/library/std/src/panicking.rs:664:13
[INFO] [stdout]   16:     0x55815bf2add9 - std::sys_common::backtrace::__rust_end_short_backtrace::h19508a8f8ae71dc9
[INFO] [stdout]                                at /rustc/b642703cf9526da1e72c0b6755753b939a9c6b6d/library/std/src/sys_common/backtrace.rs:171:18
[INFO] [stdout]   17:     0x55815bf2c107 - rust_begin_unwind
[INFO] [stdout]                                at /rustc/b642703cf9526da1e72c0b6755753b939a9c6b6d/library/std/src/panicking.rs:652:5
[INFO] [stdout]   18:     0x55815ba9b2b3 - core::panicking::panic_fmt::h2ba8af99174d83ea
[INFO] [stdout]                                at /rustc/b642703cf9526da1e72c0b6755753b939a9c6b6d/library/core/src/panicking.rs:72:14
[INFO] [stdout]   19:     0x55815ba9b806 - core::result::unwrap_failed::h52f3bbb78b59f71d
[INFO] [stdout]                                at /rustc/b642703cf9526da1e72c0b6755753b939a9c6b6d/library/core/src/result.rs:1654:5
[INFO] [stdout]   20:     0x55815bca635a - core::result::Result<T,E>::unwrap::h12d33d75ca13dd03
[INFO] [stdout]                                at /rustc/b642703cf9526da1e72c0b6755753b939a9c6b6d/library/core/src/result.rs:1077:23
[INFO] [stdout]   21:     0x55815bca635a - maelstrom_layer_fs::tests::Fixture::mount::{{closure}}::h76f7f34a1afa1da4
[INFO] [stdout]                                at /opt/rustwide/workdir/src/lib.rs:1175:13
[INFO] [stdout]   22:     0x55815bcadf73 - maelstrom_layer_fs::tests::two_layer_test::{{closure}}::hf53889b09a73f9cb
[INFO] [stdout]                                at /opt/rustwide/workdir/src/lib.rs:1537:48
[INFO] [stdout]   23:     0x55815bcc1040 - maelstrom_layer_fs::tests::two_layer_with_whiteout_of_directory::{{closure}}::hc7b164da80d1e553
[INFO] [stdout]                                at /opt/rustwide/workdir/src/lib.rs:1718:10
[INFO] [stdout]   24:     0x55815bc89d52 - <core::pin::Pin<P> as core::future::future::Future>::poll::h6a85ffe21b2c4c95
[INFO] [stdout]                                at /rustc/b642703cf9526da1e72c0b6755753b939a9c6b6d/library/core/src/future/future.rs:123:9
[INFO] [stdout]   25:     0x55815bc89ccd - <core::pin::Pin<P> as core::future::future::Future>::poll::h3a17e493fe70644b
[INFO] [stdout]                                at /rustc/b642703cf9526da1e72c0b6755753b939a9c6b6d/library/core/src/future/future.rs:123:9
[INFO] [stdout]   26:     0x55815bc70c2f - tokio::runtime::scheduler::current_thread::CoreGuard::block_on::{{closure}}::{{closure}}::{{closure}}::hbcae7a313f3c6152
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/tokio-1.37.0/src/runtime/scheduler/current_thread/mod.rs:659:57
[INFO] [stdout]   27:     0x55815bc70b65 - tokio::runtime::coop::with_budget::h5ac2764e228d0de6
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/tokio-1.37.0/src/runtime/coop.rs:107:5
[INFO] [stdout]   28:     0x55815bc70b65 - tokio::runtime::coop::budget::hc658c8e4cb0a0c8d
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/tokio-1.37.0/src/runtime/coop.rs:73:5
[INFO] [stdout]   29:     0x55815bc70b65 - tokio::runtime::scheduler::current_thread::CoreGuard::block_on::{{closure}}::{{closure}}::h12e10693abf9f854
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/tokio-1.37.0/src/runtime/scheduler/current_thread/mod.rs:659:25
[INFO] [stdout]   30:     0x55815bc6f650 - tokio::runtime::scheduler::current_thread::Context::enter::h1a25ea7e5529a0a0
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/tokio-1.37.0/src/runtime/scheduler/current_thread/mod.rs:404:19
[INFO] [stdout]   31:     0x55815bc703eb - tokio::runtime::scheduler::current_thread::CoreGuard::block_on::{{closure}}::h938371df17317d12
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/tokio-1.37.0/src/runtime/scheduler/current_thread/mod.rs:658:36
[INFO] [stdout]   32:     0x55815bc70164 - tokio::runtime::scheduler::current_thread::CoreGuard::enter::{{closure}}::h23361fef9920aca5
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/tokio-1.37.0/src/runtime/scheduler/current_thread/mod.rs:737:68
[INFO] [stdout]   33:     0x55815bc351fb - tokio::runtime::context::scoped::Scoped<T>::set::hfcf659facfad285b
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/tokio-1.37.0/src/runtime/context/scoped.rs:40:9
[INFO] [stdout]   34:     0x55815bb3e999 - tokio::runtime::context::set_scheduler::{{closure}}::h2fae601fb4a4e825
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/tokio-1.37.0/src/runtime/context.rs:176:26
[INFO] [stdout]   35:     0x55815bc945a0 - std::thread::local::LocalKey<T>::try_with::hfb57897efafa1ada
[INFO] [stdout]                                at /rustc/b642703cf9526da1e72c0b6755753b939a9c6b6d/library/std/src/thread/local.rs:286:12
[INFO] [stdout]   36:     0x55815bc92c5a - std::thread::local::LocalKey<T>::with::h943317245f47db8c
[INFO] [stdout]                                at /rustc/b642703cf9526da1e72c0b6755753b939a9c6b6d/library/std/src/thread/local.rs:262:9
[INFO] [stdout]   37:     0x55815bb3e94d - tokio::runtime::context::set_scheduler::hf044fc79721ae8bb
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/tokio-1.37.0/src/runtime/context.rs:176:9
[INFO] [stdout]   38:     0x55815bc6ff10 - tokio::runtime::scheduler::current_thread::CoreGuard::enter::h4f1e663cea134727
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/tokio-1.37.0/src/runtime/scheduler/current_thread/mod.rs:737:27
[INFO] [stdout]   39:     0x55815bc70183 - tokio::runtime::scheduler::current_thread::CoreGuard::block_on::h1765e4a6caf65d57
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/tokio-1.37.0/src/runtime/scheduler/current_thread/mod.rs:646:19
[INFO] [stdout]   40:     0x55815bc6cf33 - tokio::runtime::scheduler::current_thread::CurrentThread::block_on::{{closure}}::h80daa66651dbb412
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/tokio-1.37.0/src/runtime/scheduler/current_thread/mod.rs:175:28
[INFO] [stdout]   41:     0x55815bc370d6 - tokio::runtime::context::runtime::enter_runtime::hcd80078119a75897
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/tokio-1.37.0/src/runtime/context/runtime.rs:65:16
[INFO] [stdout]   42:     0x55815bc6ce91 - tokio::runtime::scheduler::current_thread::CurrentThread::block_on::h0f169576765c3721
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/tokio-1.37.0/src/runtime/scheduler/current_thread/mod.rs:167:9
[INFO] [stdout]   43:     0x55815bc8865d - tokio::runtime::runtime::Runtime::block_on::hfd88ea622e450ffa
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/tokio-1.37.0/src/runtime/runtime.rs:349:47
[INFO] [stdout]   44:     0x55815bcc06a0 - maelstrom_layer_fs::tests::two_layer_with_whiteout_of_directory::h56bc9c2d5b216d94
[INFO] [stdout]                                at /opt/rustwide/workdir/src/lib.rs:1705:9
[INFO] [stdout]   45:     0x55815bcc0537 - maelstrom_layer_fs::tests::two_layer_with_whiteout_of_directory::{{closure}}::h0c451376c317ecbc
[INFO] [stdout]                                at /opt/rustwide/workdir/src/lib.rs:1704:52
[INFO] [stdout]   46:     0x55815ba9dea6 - core::ops::function::FnOnce::call_once::h573d54bc202ad416
[INFO] [stdout]                                at /rustc/b642703cf9526da1e72c0b6755753b939a9c6b6d/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   47:     0x55815bd4466b - core::ops::function::FnOnce::call_once::h18c6bf92212b87a4
[INFO] [stdout]                                at /rustc/b642703cf9526da1e72c0b6755753b939a9c6b6d/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   48:     0x55815bd4466b - test::__rust_begin_short_backtrace::hdcf0edcfa9080086
[INFO] [stdout]                                at /rustc/b642703cf9526da1e72c0b6755753b939a9c6b6d/library/test/src/lib.rs:625:18
[INFO] [stdout]   49:     0x55815bd43d31 - test::run_test_in_process::{{closure}}::heac2c4eb375d2d10
[INFO] [stdout]                                at /rustc/b642703cf9526da1e72c0b6755753b939a9c6b6d/library/test/src/lib.rs:648:60
[INFO] [stdout]   50:     0x55815bd43d31 - <core::panic::unwind_safe::AssertUnwindSafe<F> as core::ops::function::FnOnce<()>>::call_once::h0289bafc8a1cc004
[INFO] [stdout]                                at /rustc/b642703cf9526da1e72c0b6755753b939a9c6b6d/library/core/src/panic/unwind_safe.rs:272:9
[INFO] [stdout]   51:     0x55815bd43d31 - std::panicking::try::do_call::h5e158f1ad8a5f983
[INFO] [stdout]                                at /rustc/b642703cf9526da1e72c0b6755753b939a9c6b6d/library/std/src/panicking.rs:559:40
[INFO] [stdout]   52:     0x55815bd43d31 - std::panicking::try::hea3411d60321c4de
[INFO] [stdout]                                at /rustc/b642703cf9526da1e72c0b6755753b939a9c6b6d/library/std/src/panicking.rs:523:19
[INFO] [stdout]   53:     0x55815bd43d31 - std::panic::catch_unwind::hafb7bb18bc47bbc7
[INFO] [stdout]                                at /rustc/b642703cf9526da1e72c0b6755753b939a9c6b6d/library/std/src/panic.rs:149:14
[INFO] [stdout]   54:     0x55815bd43d31 - test::run_test_in_process::h74dd138dc7762d99
[INFO] [stdout]                                at /rustc/b642703cf9526da1e72c0b6755753b939a9c6b6d/library/test/src/lib.rs:648:27
[INFO] [stdout]   55:     0x55815bd43d31 - test::run_test::{{closure}}::h6b390822e63606cf
[INFO] [stdout]                                at /rustc/b642703cf9526da1e72c0b6755753b939a9c6b6d/library/test/src/lib.rs:569:43
[INFO] [stdout]   56:     0x55815bd0c704 - test::run_test::{{closure}}::h6e11dba8131d354b
[INFO] [stdout]                                at /rustc/b642703cf9526da1e72c0b6755753b939a9c6b6d/library/test/src/lib.rs:599:41
[INFO] [stdout]   57:     0x55815bd0c704 - std::sys_common::backtrace::__rust_begin_short_backtrace::ha71b3541b59bdbbb
[INFO] [stdout]                                at /rustc/b642703cf9526da1e72c0b6755753b939a9c6b6d/library/std/src/sys_common/backtrace.rs:155:18
[INFO] [stdout]   58:     0x55815bd111d2 - std::thread::Builder::spawn_unchecked_::{{closure}}::{{closure}}::hef92127c5ef9e53c
[INFO] [stdout]                                at /rustc/b642703cf9526da1e72c0b6755753b939a9c6b6d/library/std/src/thread/mod.rs:542:17
[INFO] [stdout]   59:     0x55815bd111d2 - <core::panic::unwind_safe::AssertUnwindSafe<F> as core::ops::function::FnOnce<()>>::call_once::h859c109f9d11c92b
[INFO] [stdout]                                at /rustc/b642703cf9526da1e72c0b6755753b939a9c6b6d/library/core/src/panic/unwind_safe.rs:272:9
[INFO] [stdout]   60:     0x55815bd111d2 - std::panicking::try::do_call::hbf534c458cd858f0
[INFO] [stdout]                                at /rustc/b642703cf9526da1e72c0b6755753b939a9c6b6d/library/std/src/panicking.rs:559:40
[INFO] [stdout]   61:     0x55815bd111d2 - std::panicking::try::h65c18365a7b9ad90
[INFO] [stdout]                                at /rustc/b642703cf9526da1e72c0b6755753b939a9c6b6d/library/std/src/panicking.rs:523:19
[INFO] [stdout]   62:     0x55815bd111d2 - std::panic::catch_unwind::h21b25d4c69478c39
[INFO] [stdout]                                at /rustc/b642703cf9526da1e72c0b6755753b939a9c6b6d/library/std/src/panic.rs:149:14
[INFO] [stdout]   63:     0x55815bd111d2 - std::thread::Builder::spawn_unchecked_::{{closure}}::h23335f620275a9bf
[INFO] [stdout]                                at /rustc/b642703cf9526da1e72c0b6755753b939a9c6b6d/library/std/src/thread/mod.rs:541:30
[INFO] [stdout]   64:     0x55815bd111d2 - core::ops::function::FnOnce::call_once{{vtable.shim}}::hb491dc55513e9b7c
[INFO] [stdout]                                at /rustc/b642703cf9526da1e72c0b6755753b939a9c6b6d/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   65:     0x55815bf321ab - <alloc::boxed::Box<F,A> as core::ops::function::FnOnce<Args>>::call_once::h41b39260afcffdc9
[INFO] [stdout]                                at /rustc/b642703cf9526da1e72c0b6755753b939a9c6b6d/library/alloc/src/boxed.rs:2022:9
[INFO] [stdout]   66:     0x55815bf321ab - <alloc::boxed::Box<F,A> as core::ops::function::FnOnce<Args>>::call_once::h6694c8dc6dd010c4
[INFO] [stdout]                                at /rustc/b642703cf9526da1e72c0b6755753b939a9c6b6d/library/alloc/src/boxed.rs:2022:9
[INFO] [stdout]   67:     0x55815bf321ab - std::sys::pal::unix::thread::Thread::new::thread_start::hf16038e1c8e19c99
[INFO] [stdout]                                at /rustc/b642703cf9526da1e72c0b6755753b939a9c6b6d/library/std/src/sys/pal/unix/thread.rs:108:17
[INFO] [stdout]   68:     0x7f5a291c4ac3 - <unknown>
[INFO] [stdout]   69:     0x7f5a29255a04 - __clone
[INFO] [stdout]   70:                0x0 - <unknown>
[INFO] [stdout] 
[INFO] [stdout] ---- tests::two_layer_with_whiteout_of_file stdout ----
[INFO] [stdout] May 25 05:24:00.961 DEBG mounting FUSE file-system in namespace
[INFO] [stdout] thread 'tests::two_layer_with_whiteout_of_file' panicked at src/lib.rs:1178:18:
[INFO] [stdout] called `Result::unwrap()` on an `Err` value: ENOSYS: Function not implemented
[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/index.crates.io-6f17d22bba15001f/anyhow-1.0.82/src/backtrace.rs:27:14
[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/b642703cf9526da1e72c0b6755753b939a9c6b6d/library/core/src/result.rs:1964:27
[INFO] [stdout]    2: maelstrom_fuse::fuse_mount_namespace::{{closure}}::{{closure}}
[INFO] [stdout]              at /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/maelstrom-fuse-0.8.0/src/lib.rs:127:27
[INFO] [stdout]    3: <tokio::runtime::blocking::task::BlockingTask<T> as core::future::future::Future>::poll
[INFO] [stdout]              at /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/tokio-1.37.0/src/runtime/blocking/task.rs:42:21
[INFO] [stdout]    4: tokio::runtime::task::core::Core<T,S>::poll::{{closure}}
[INFO] [stdout]              at /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/tokio-1.37.0/src/runtime/task/core.rs:328:17
[INFO] [stdout]    5: tokio::loom::std::unsafe_cell::UnsafeCell<T>::with_mut
[INFO] [stdout]              at /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/tokio-1.37.0/src/loom/std/unsafe_cell.rs:16:9
[INFO] [stdout]    6: tokio::runtime::task::core::Core<T,S>::poll
[INFO] [stdout]              at /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/tokio-1.37.0/src/runtime/task/core.rs:317:13
[INFO] [stdout]    7: tokio::runtime::task::harness::poll_future::{{closure}}
[INFO] [stdout]              at /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/tokio-1.37.0/src/runtime/task/harness.rs:485:19
[INFO] [stdout]    8: <core::panic::unwind_safe::AssertUnwindSafe<F> as core::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]              at /rustc/b642703cf9526da1e72c0b6755753b939a9c6b6d/library/core/src/panic/unwind_safe.rs:272:9
[INFO] [stdout]    9: std::panicking::try::do_call
[INFO] [stdout]              at /rustc/b642703cf9526da1e72c0b6755753b939a9c6b6d/library/std/src/panicking.rs:559:40
[INFO] [stdout]   10: __rust_try
[INFO] [stdout]   11: std::panicking::try
[INFO] [stdout]              at /rustc/b642703cf9526da1e72c0b6755753b939a9c6b6d/library/std/src/panicking.rs:523:19
[INFO] [stdout]   12: std::panic::catch_unwind
[INFO] [stdout]              at /rustc/b642703cf9526da1e72c0b6755753b939a9c6b6d/library/std/src/panic.rs:149:14
[INFO] [stdout]   13: tokio::runtime::task::harness::poll_future
[INFO] [stdout]              at /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/tokio-1.37.0/src/runtime/task/harness.rs:473:18
[INFO] [stdout]   14: tokio::runtime::task::harness::Harness<T,S>::poll_inner
[INFO] [stdout]              at /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/tokio-1.37.0/src/runtime/task/harness.rs:208:27
[INFO] [stdout]   15: tokio::runtime::task::harness::Harness<T,S>::poll
[INFO] [stdout]              at /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/tokio-1.37.0/src/runtime/task/harness.rs:153:15
[INFO] [stdout]   16: tokio::runtime::task::raw::poll
[INFO] [stdout]              at /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/tokio-1.37.0/src/runtime/task/raw.rs:271:5
[INFO] [stdout]   17: tokio::runtime::task::raw::RawTask::poll
[INFO] [stdout]              at /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/tokio-1.37.0/src/runtime/task/raw.rs:201:18
[INFO] [stdout]   18: tokio::runtime::task::UnownedTask<S>::run
[INFO] [stdout]              at /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/tokio-1.37.0/src/runtime/task/mod.rs:464:9
[INFO] [stdout]   19: tokio::runtime::blocking::pool::Task::run
[INFO] [stdout]              at /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/tokio-1.37.0/src/runtime/blocking/pool.rs:159:9
[INFO] [stdout]   20: tokio::runtime::blocking::pool::Inner::run
[INFO] [stdout]              at /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/tokio-1.37.0/src/runtime/blocking/pool.rs:513:17
[INFO] [stdout]   21: tokio::runtime::blocking::pool::Spawner::spawn_thread::{{closure}}
[INFO] [stdout]              at /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/tokio-1.37.0/src/runtime/blocking/pool.rs:471:13
[INFO] [stdout]   22: std::sys_common::backtrace::__rust_begin_short_backtrace
[INFO] [stdout]              at /rustc/b642703cf9526da1e72c0b6755753b939a9c6b6d/library/std/src/sys_common/backtrace.rs:155:18
[INFO] [stdout]   23: std::thread::Builder::spawn_unchecked_::{{closure}}::{{closure}}
[INFO] [stdout]              at /rustc/b642703cf9526da1e72c0b6755753b939a9c6b6d/library/std/src/thread/mod.rs:542:17
[INFO] [stdout]   24: <core::panic::unwind_safe::AssertUnwindSafe<F> as core::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]              at /rustc/b642703cf9526da1e72c0b6755753b939a9c6b6d/library/core/src/panic/unwind_safe.rs:272:9
[INFO] [stdout]   25: std::panicking::try::do_call
[INFO] [stdout]              at /rustc/b642703cf9526da1e72c0b6755753b939a9c6b6d/library/std/src/panicking.rs:559:40
[INFO] [stdout]   26: __rust_try
[INFO] [stdout]   27: std::panicking::try
[INFO] [stdout]              at /rustc/b642703cf9526da1e72c0b6755753b939a9c6b6d/library/std/src/panicking.rs:523:19
[INFO] [stdout]   28: std::panic::catch_unwind
[INFO] [stdout]              at /rustc/b642703cf9526da1e72c0b6755753b939a9c6b6d/library/std/src/panic.rs:149:14
[INFO] [stdout]   29: std::thread::Builder::spawn_unchecked_::{{closure}}
[INFO] [stdout]              at /rustc/b642703cf9526da1e72c0b6755753b939a9c6b6d/library/std/src/thread/mod.rs:541:30
[INFO] [stdout]   30: core::ops::function::FnOnce::call_once{{vtable.shim}}
[INFO] [stdout]              at /rustc/b642703cf9526da1e72c0b6755753b939a9c6b6d/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   31: <alloc::boxed::Box<F,A> as core::ops::function::FnOnce<Args>>::call_once
[INFO] [stdout]              at /rustc/b642703cf9526da1e72c0b6755753b939a9c6b6d/library/alloc/src/boxed.rs:2022:9
[INFO] [stdout]   32: <alloc::boxed::Box<F,A> as core::ops::function::FnOnce<Args>>::call_once
[INFO] [stdout]              at /rustc/b642703cf9526da1e72c0b6755753b939a9c6b6d/library/alloc/src/boxed.rs:2022:9
[INFO] [stdout]   33: std::sys::pal::unix::thread::Thread::new::thread_start
[INFO] [stdout]              at /rustc/b642703cf9526da1e72c0b6755753b939a9c6b6d/library/std/src/sys/pal/unix/thread.rs:108:17
[INFO] [stdout]   34: <unknown>
[INFO] [stdout]   35: __clone
[INFO] [stdout] stack backtrace:
[INFO] [stdout]    0:     0x55815bf2a915 - std::backtrace_rs::backtrace::libunwind::trace::he49dc9a9e3164223
[INFO] [stdout]                                at /rustc/b642703cf9526da1e72c0b6755753b939a9c6b6d/library/std/src/../../backtrace/src/backtrace/libunwind.rs:105:5
[INFO] [stdout]    1:     0x55815bf2a915 - std::backtrace_rs::backtrace::trace_unsynchronized::h3a3e77c68030aa6b
[INFO] [stdout]                                at /rustc/b642703cf9526da1e72c0b6755753b939a9c6b6d/library/std/src/../../backtrace/src/backtrace/mod.rs:66:5
[INFO] [stdout]    2:     0x55815bf2a915 - std::sys_common::backtrace::_print_fmt::h9479ad2f99afd5d4
[INFO] [stdout]                                at /rustc/b642703cf9526da1e72c0b6755753b939a9c6b6d/library/std/src/sys_common/backtrace.rs:68:5
[INFO] [stdout]    3:     0x55815bf2a915 - <std::sys_common::backtrace::_print::DisplayBacktrace as core::fmt::Display>::fmt::hfb01aa1fa3fb1821
[INFO] [stdout]                                at /rustc/b642703cf9526da1e72c0b6755753b939a9c6b6d/library/std/src/sys_common/backtrace.rs:44:22
[INFO] [stdout]    4:     0x55815bf53beb - core::fmt::rt::Argument::fmt::h125e56152abbc1c3
[INFO] [stdout]                                at /rustc/b642703cf9526da1e72c0b6755753b939a9c6b6d/library/core/src/fmt/rt.rs:165:63
[INFO] [stdout]    5:     0x55815bf53beb - core::fmt::write::hb0ab4ff05ccfe741
[INFO] [stdout]                                at /rustc/b642703cf9526da1e72c0b6755753b939a9c6b6d/library/core/src/fmt/mod.rs:1169:21
[INFO] [stdout]    6:     0x55815bf27bcf - std::io::Write::write_fmt::hea6336dbf2fa00b8
[INFO] [stdout]                                at /rustc/b642703cf9526da1e72c0b6755753b939a9c6b6d/library/std/src/io/mod.rs:1835:15
[INFO] [stdout]    7:     0x55815bf2a6ee - std::sys_common::backtrace::_print::h79ca548f3a2adf4b
[INFO] [stdout]                                at /rustc/b642703cf9526da1e72c0b6755753b939a9c6b6d/library/std/src/sys_common/backtrace.rs:47:5
[INFO] [stdout]    8:     0x55815bf2a6ee - std::sys_common::backtrace::print::h9aebf997b2fea2d3
[INFO] [stdout]                                at /rustc/b642703cf9526da1e72c0b6755753b939a9c6b6d/library/std/src/sys_common/backtrace.rs:34:9
[INFO] [stdout]    9:     0x55815bf2c059 - std::panicking::default_hook::{{closure}}::h68a0954af2694526
[INFO] [stdout]   10:     0x55815bf2bdac - std::panicking::default_hook::h5be50cc6849ffb00
[INFO] [stdout]                                at /rustc/b642703cf9526da1e72c0b6755753b939a9c6b6d/library/std/src/panicking.rs:295:9
[INFO] [stdout]   11:     0x55815bd3fd4f - <alloc::boxed::Box<F,A> as core::ops::function::Fn<Args>>::call::hd874405dcbd1d3ed
[INFO] [stdout]                                at /rustc/b642703cf9526da1e72c0b6755753b939a9c6b6d/library/alloc/src/boxed.rs:2036:9
[INFO] [stdout]   12:     0x55815bd3fd4f - test::test_main::{{closure}}::h4f26a9df34a84b94
[INFO] [stdout]                                at /rustc/b642703cf9526da1e72c0b6755753b939a9c6b6d/library/test/src/lib.rs:137:21
[INFO] [stdout]   13:     0x55815bf2c65b - <alloc::boxed::Box<F,A> as core::ops::function::Fn<Args>>::call::h00e96d9c62aa9a12
[INFO] [stdout]                                at /rustc/b642703cf9526da1e72c0b6755753b939a9c6b6d/library/alloc/src/boxed.rs:2036:9
[INFO] [stdout]   14:     0x55815bf2c65b - std::panicking::rust_panic_with_hook::h3c0df6036729334c
[INFO] [stdout]                                at /rustc/b642703cf9526da1e72c0b6755753b939a9c6b6d/library/std/src/panicking.rs:799:13
[INFO] [stdout]   15:     0x55815bf2c3d4 - std::panicking::begin_panic_handler::{{closure}}::ha3a21e93c4cfd807
[INFO] [stdout]                                at /rustc/b642703cf9526da1e72c0b6755753b939a9c6b6d/library/std/src/panicking.rs:664:13
[INFO] [stdout]   16:     0x55815bf2add9 - std::sys_common::backtrace::__rust_end_short_backtrace::h19508a8f8ae71dc9
[INFO] [stdout]                                at /rustc/b642703cf9526da1e72c0b6755753b939a9c6b6d/library/std/src/sys_common/backtrace.rs:171:18
[INFO] [stdout]   17:     0x55815bf2c107 - rust_begin_unwind
[INFO] [stdout]                                at /rustc/b642703cf9526da1e72c0b6755753b939a9c6b6d/library/std/src/panicking.rs:652:5
[INFO] [stdout]   18:     0x55815ba9b2b3 - core::panicking::panic_fmt::h2ba8af99174d83ea
[INFO] [stdout]                                at /rustc/b642703cf9526da1e72c0b6755753b939a9c6b6d/library/core/src/panicking.rs:72:14
[INFO] [stdout]   19:     0x55815ba9b806 - core::result::unwrap_failed::h52f3bbb78b59f71d
[INFO] [stdout]                                at /rustc/b642703cf9526da1e72c0b6755753b939a9c6b6d/library/core/src/result.rs:1654:5
[INFO] [stdout]   20:     0x55815bca635a - core::result::Result<T,E>::unwrap::h12d33d75ca13dd03
[INFO] [stdout]                                at /rustc/b642703cf9526da1e72c0b6755753b939a9c6b6d/library/core/src/result.rs:1077:23
[INFO] [stdout]   21:     0x55815bca635a - maelstrom_layer_fs::tests::Fixture::mount::{{closure}}::h76f7f34a1afa1da4
[INFO] [stdout]                                at /opt/rustwide/workdir/src/lib.rs:1175:13
[INFO] [stdout]   22:     0x55815bcadf73 - maelstrom_layer_fs::tests::two_layer_test::{{closure}}::hf53889b09a73f9cb
[INFO] [stdout]                                at /opt/rustwide/workdir/src/lib.rs:1537:48
[INFO] [stdout]   23:     0x55815bcbfacd - maelstrom_layer_fs::tests::two_layer_with_whiteout_of_file::{{closure}}::h9ea88bf73bb6aaae
[INFO] [stdout]                                at /opt/rustwide/workdir/src/lib.rs:1687:10
[INFO] [stdout]   24:     0x55815bc89d52 - <core::pin::Pin<P> as core::future::future::Future>::poll::h6a85ffe21b2c4c95
[INFO] [stdout]                                at /rustc/b642703cf9526da1e72c0b6755753b939a9c6b6d/library/core/src/future/future.rs:123:9
[INFO] [stdout]   25:     0x55815bc89ccd - <core::pin::Pin<P> as core::future::future::Future>::poll::h3a17e493fe70644b
[INFO] [stdout]                                at /rustc/b642703cf9526da1e72c0b6755753b939a9c6b6d/library/core/src/future/future.rs:123:9
[INFO] [stdout]   26:     0x55815bc70c2f - tokio::runtime::scheduler::current_thread::CoreGuard::block_on::{{closure}}::{{closure}}::{{closure}}::hbcae7a313f3c6152
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/tokio-1.37.0/src/runtime/scheduler/current_thread/mod.rs:659:57
[INFO] [stdout]   27:     0x55815bc70b65 - tokio::runtime::coop::with_budget::h5ac2764e228d0de6
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/tokio-1.37.0/src/runtime/coop.rs:107:5
[INFO] [stdout]   28:     0x55815bc70b65 - tokio::runtime::coop::budget::hc658c8e4cb0a0c8d
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/tokio-1.37.0/src/runtime/coop.rs:73:5
[INFO] [stdout]   29:     0x55815bc70b65 - tokio::runtime::scheduler::current_thread::CoreGuard::block_on::{{closure}}::{{closure}}::h12e10693abf9f854
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/tokio-1.37.0/src/runtime/scheduler/current_thread/mod.rs:659:25
[INFO] [stdout]   30:     0x55815bc6f650 - tokio::runtime::scheduler::current_thread::Context::enter::h1a25ea7e5529a0a0
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/tokio-1.37.0/src/runtime/scheduler/current_thread/mod.rs:404:19
[INFO] [stdout]   31:     0x55815bc703eb - tokio::runtime::scheduler::current_thread::CoreGuard::block_on::{{closure}}::h938371df17317d12
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/tokio-1.37.0/src/runtime/scheduler/current_thread/mod.rs:658:36
[INFO] [stdout]   32:     0x55815bc70164 - tokio::runtime::scheduler::current_thread::CoreGuard::enter::{{closure}}::h23361fef9920aca5
[WARN] too many lines in the log, truncating it
