[INFO] fetching crate cu-python-task 1.0.0-rc2...
[INFO] testing cu-python-task-1.0.0-rc2 against try#28f95933dc0727396c07b48d0a8cb5211b7fb472 for pr-154065-2
[INFO] extracting crate cu-python-task 1.0.0-rc2 into /workspace/builds/worker-2-tc2/source
[INFO] started tweaking crates.io crate cu-python-task 1.0.0-rc2
[INFO] finished tweaking crates.io crate cu-python-task 1.0.0-rc2
[INFO] tweaked toml for crates.io crate cu-python-task 1.0.0-rc2 written to /workspace/builds/worker-2-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate cu-python-task 1.0.0-rc2 on toolchain 28f95933dc0727396c07b48d0a8cb5211b7fb472
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+28f95933dc0727396c07b48d0a8cb5211b7fb472" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate cu-python-task 1.0.0-rc2 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" "+28f95933dc0727396c07b48d0a8cb5211b7fb472" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,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" "-m" "1610612736" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "sleep" "infinity", kill_on_drop: false }`
[INFO] [stdout] b0e74aeb90f91e13b347b431eeed689390d633104df9a0a43f193c76c7ac36da
[INFO] running `Command { std: "docker" "start" "b0e74aeb90f91e13b347b431eeed689390d633104df9a0a43f193c76c7ac36da", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-w" "/opt/rustwide/workdir" "--user" "0:0" "b0e74aeb90f91e13b347b431eeed689390d633104df9a0a43f193c76c7ac36da" "/opt/rustwide/cargo-home/bin/cargo" "+28f95933dc0727396c07b48d0a8cb5211b7fb472" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "b0e74aeb90f91e13b347b431eeed689390d633104df9a0a43f193c76c7ac36da", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-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" "-w" "/opt/rustwide/workdir" "--user" "0:0" "b0e74aeb90f91e13b347b431eeed689390d633104df9a0a43f193c76c7ac36da" "/opt/rustwide/cargo-home/bin/cargo" "+28f95933dc0727396c07b48d0a8cb5211b7fb472" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr]    Compiling unicode-ident v1.0.24
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[INFO] [stderr]    Compiling toml_parser v1.1.2+spec-1.1.0
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[INFO] [stderr]    Compiling pyo3-ffi v0.28.3
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[INFO] [stderr]    Compiling cu29-runtime v1.0.0-rc2
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[INFO] [stderr]    Compiling serde_derive v1.0.228
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[INFO] [stderr]    Compiling cu29-reflect-derive v1.0.0-rc2
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[INFO] [stderr]    Compiling uom v0.38.0
[INFO] [stderr]    Compiling walkdir v2.5.0
[INFO] [stderr]    Compiling clap v4.5.61
[INFO] [stderr]    Compiling itertools v0.14.0
[INFO] [stderr]    Compiling cu29 v1.0.0-rc2
[INFO] [stderr]    Compiling cu-python-task v1.0.0-rc2 (/opt/rustwide/workdir)
[INFO] [stderr]    Compiling minicbor v2.2.1
[INFO] [stderr]    Compiling ctrlc v3.5.2
[INFO] [stderr]    Compiling pyo3-macros v0.28.3
[INFO] [stderr]    Compiling compact_str v0.9.0
[INFO] [stderr]    Compiling smallvec v1.15.1
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[INFO] [stderr]    Compiling bevy_platform v0.18.1
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[INFO] [stderr]    Compiling ron v0.12.1
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[INFO] [stderr]    Compiling cu29-value v1.0.0-rc2
[INFO] [stderr]    Compiling bevy_utils v0.18.1
[INFO] [stderr]    Compiling parking_lot v0.12.5
[INFO] [stderr]    Compiling bevy_reflect v0.18.1
[INFO] [stderr]    Compiling cu29-traits v1.0.0-rc2
[INFO] [stderr]    Compiling object-pool v0.6.0
[INFO] [stderr]    Compiling petgraph v0.8.3
[INFO] [stderr]    Compiling cu29-log v1.0.0-rc2
[INFO] [stderr]    Compiling cu29-unifiedlog v1.0.0-rc2
[INFO] [stderr]    Compiling cu29-derive v1.0.0-rc2
[INFO] [stderr]    Compiling minicbor-serde v0.6.2
[INFO] [stderr]    Compiling cu29-units v1.0.0-rc2
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 2m 47s
[INFO] running `Command { std: "docker" "inspect" "b0e74aeb90f91e13b347b431eeed689390d633104df9a0a43f193c76c7ac36da", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-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" "-w" "/opt/rustwide/workdir" "--user" "0:0" "b0e74aeb90f91e13b347b431eeed689390d633104df9a0a43f193c76c7ac36da" "/opt/rustwide/cargo-home/bin/cargo" "+28f95933dc0727396c07b48d0a8cb5211b7fb472" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr]    Compiling cu-python-task v1.0.0-rc2 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 5.11s
[INFO] running `Command { std: "docker" "inspect" "b0e74aeb90f91e13b347b431eeed689390d633104df9a0a43f193c76c7ac36da", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-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" "-w" "/opt/rustwide/workdir" "--user" "0:0" "b0e74aeb90f91e13b347b431eeed689390d633104df9a0a43f193c76c7ac36da" "/opt/rustwide/cargo-home/bin/cargo" "+28f95933dc0727396c07b48d0a8cb5211b7fb472" "test" "--frozen", kill_on_drop: false }`
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.28s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/cu_python_task-1ac17ae5d6123af5)
[INFO] [stdout] 
[INFO] [stdout] running 18 tests
[INFO] [stdout] test tests::cbor_wire_frames_round_trip_128_bit_integers ... ok
[INFO] [stdout] test tests::default_script_path_uses_python_task_py_from_cwd ... ok
[INFO] [stdout] test tests::invalid_mode_is_rejected ... ok
[INFO] [stdout] test tests::mode_defaults_to_process ... ok
[INFO] [stdout] test tests::mode_parses_embedded ... ok
[INFO] [stderr] Traceback (most recent call last):
[INFO] [stderr]   File "<string>", line 684, in _load_cbor2
[INFO] [stderr] ModuleNotFoundError: No module named 'cbor2'
[INFO] [stderr] 
[INFO] [stderr] The above exception was the direct cause of the following exception:
[INFO] [stderr] 
[INFO] [stderr] Traceback (most recent call last):
[INFO] [stderr]   File "<string>", line 736, in main
[INFO] [stderr]   File "<string>", line 686, in _load_cbor2
[INFO] [stderr] RuntimeError: cu_python_task process mode requires the Python package `cbor2`
[INFO] [stderr] Traceback (most recent call last):
[INFO] [stderr]   File "<string>", line 684, in _load_cbor2
[INFO] [stderr] ModuleNotFoundError: No module named 'cbor2'
[INFO] [stderr] 
[INFO] [stderr] The above exception was the direct cause of the following exception:
[INFO] [stderr] 
[INFO] [stderr] Traceback (most recent call last):
[INFO] [stderr]   File "<string>", line 736, in main
[INFO] [stderr]   File "<string>", line 686, in _load_cbor2
[INFO] [stderr] RuntimeError: cu_python_task process mode requires the Python package `cbor2`
[INFO] [stderr] Traceback (most recent call last):
[INFO] [stderr]   File "<string>", line 684, in _load_cbor2
[INFO] [stderr] ModuleNotFoundError: No module named 'cbor2'
[INFO] [stderr] 
[INFO] [stderr] The above exception was the direct cause of the following exception:
[INFO] [stderr] 
[INFO] [stderr] Traceback (most recent call last):
[INFO] [stderr]   File "<string>", line 736, in main
[INFO] [stderr]   File "<string>", line 686, in _load_cbor2
[INFO] [stderr] RuntimeError: cu_python_task process mode requires the Python package `cbor2`
[INFO] [stdout] test tests::embedded_backend_receives_live_ctx ... ok
[INFO] [stdout] test tests::embedded_backend_preserves_rebound_scalar_state ... ok
[INFO] [stdout] test tests::embedded_backend_optional_start_and_stop_hooks_are_noops ... ok
[INFO] [stdout] test tests::embedded_backend_runs_optional_start_and_stop_hooks ... ok
[INFO] [stdout] test tests::embedded_backend_supports_attribute_writes_on_absent_output_payload ... ok
[INFO] [stdout] test tests::relative_script_paths_are_absolutized ... ok
[INFO] [stdout] test tests::process_backend_optional_start_and_stop_hooks_are_noops ... FAILED
[INFO] [stdout] test tests::process_backend_preserves_rebound_scalar_state ... FAILED
[INFO] [stdout] test tests::process_backend_keeps_absent_output_payload_when_python_does_not_touch_it ... FAILED
[INFO] [stderr] Traceback (most recent call last):
[INFO] [stderr]   File "<string>", line 684, in _load_cbor2
[INFO] [stderr] ModuleNotFoundError: No module named 'cbor2'
[INFO] [stderr] 
[INFO] [stderr] The above exception was the direct cause of the following exception:
[INFO] [stderr] 
[INFO] [stderr] Traceback (most recent call last):
[INFO] [stderr]   File "<string>", line 736, in main
[INFO] [stderr]   File "<string>", line 686, in _load_cbor2
[INFO] [stderr] RuntimeError: cu_python_task process mode requires the Python package `cbor2`
[INFO] [stderr] Traceback (most recent call last):
[INFO] [stderr]   File "<string>", line 684, in _load_cbor2
[INFO] [stderr] ModuleNotFoundError: No module named 'cbor2'
[INFO] [stderr] 
[INFO] [stderr] The above exception was the direct cause of the following exception:
[INFO] [stderr] 
[INFO] [stderr] Traceback (most recent call last):
[INFO] [stderr]   File "<string>", line 736, in main
[INFO] [stderr]   File "<string>", line 686, in _load_cbor2
[INFO] [stderr] RuntimeError: cu_python_task process mode requires the Python package `cbor2`
[INFO] [stdout] test tests::process_backend_runs_optional_start_and_stop_hooks ... FAILED
[INFO] [stdout] test tests::process_backend_shared_handles_are_exposed_without_copying ... FAILED
[INFO] [stderr] Traceback (most recent call last):
[INFO] [stderr]   File "<string>", line 684, in _load_cbor2
[INFO] [stderr] ModuleNotFoundError: No module named 'cbor2'
[INFO] [stderr] 
[INFO] [stderr] The above exception was the direct cause of the following exception:
[INFO] [stderr] 
[INFO] [stderr] Traceback (most recent call last):
[INFO] [stderr]   File "<string>", line 736, in main
[INFO] [stderr]   File "<string>", line 686, in _load_cbor2
[INFO] [stderr] RuntimeError: cu_python_task process mode requires the Python package `cbor2`
[INFO] [stdout] test tests::process_backend_receives_ctx_snapshot ... FAILED
[INFO] [stderr] Traceback (most recent call last):
[INFO] [stderr]   File "<string>", line 684, in _load_cbor2
[INFO] [stderr] ModuleNotFoundError: No module named 'cbor2'
[INFO] [stderr] 
[INFO] [stderr] The above exception was the direct cause of the following exception:
[INFO] [stderr] 
[INFO] [stderr] Traceback (most recent call last):
[INFO] [stderr]   File "<string>", line 736, in main
[INFO] [stderr]   File "<string>", line 686, in _load_cbor2
[INFO] [stderr] RuntimeError: cu_python_task process mode requires the Python package `cbor2`
[INFO] [stdout] test tests::process_backend_supports_attribute_writes_on_absent_output_payload ... FAILED
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout] 
[INFO] [stdout] ---- tests::process_backend_optional_start_and_stop_hooks_are_noops stdout ----
[INFO] [stdout] 
[INFO] [stdout] thread 'tests::process_backend_optional_start_and_stop_hooks_are_noops' (2161) panicked at src/lib.rs:1822:58:
[INFO] [stdout] start backend: CuError { message: "Python task process exited during startup with status exit status: 1", cause: None }
[INFO] [stdout] stack backtrace:
[INFO] [stdout]    0:     0x5c23c2fb4db8 - std[d054f6f42beb1baa]::backtrace_rs::backtrace::libunwind::trace
[INFO] [stdout]                                at /rustc/28f95933dc0727396c07b48d0a8cb5211b7fb472/library/std/src/../../backtrace/src/backtrace/libunwind.rs:117:9
[INFO] [stdout]    1:     0x5c23c2fb4db8 - std[d054f6f42beb1baa]::backtrace_rs::backtrace::trace_unsynchronized::<std[d054f6f42beb1baa]::sys::backtrace::_print_fmt::{closure#1}>
[INFO] [stdout]                                at /rustc/28f95933dc0727396c07b48d0a8cb5211b7fb472/library/std/src/../../backtrace/src/backtrace/mod.rs:66:14
[INFO] [stdout]    2:     0x5c23c2fb4db8 - std[d054f6f42beb1baa]::sys::backtrace::_print_fmt
[INFO] [stdout]                                at /rustc/28f95933dc0727396c07b48d0a8cb5211b7fb472/library/std/src/sys/backtrace.rs:74:9
[INFO] [stdout]    3:     0x5c23c2fb4db8 - <<std[d054f6f42beb1baa]::sys::backtrace::BacktraceLock>::print::DisplayBacktrace as core[5a1c3e9896636f3a]::fmt::Display>::fmt
[INFO] [stdout]                                at /rustc/28f95933dc0727396c07b48d0a8cb5211b7fb472/library/std/src/sys/backtrace.rs:44:26
[INFO] [stdout]    4:     0x5c23c2fcaaba - <core[5a1c3e9896636f3a]::fmt::rt::Argument>::fmt
[INFO] [stdout]                                at /rustc/28f95933dc0727396c07b48d0a8cb5211b7fb472/library/core/src/fmt/rt.rs:152:76
[INFO] [stdout]    5:     0x5c23c2fcaaba - core[5a1c3e9896636f3a]::fmt::write
[INFO] [stdout]    6:     0x5c23c2fb99f2 - std[d054f6f42beb1baa]::io::default_write_fmt::<alloc[154f689e5dd3bae5]::vec::Vec<u8>>
[INFO] [stdout]                                at /rustc/28f95933dc0727396c07b48d0a8cb5211b7fb472/library/std/src/io/mod.rs:622:11
[INFO] [stdout]    7:     0x5c23c2fb99f2 - <alloc[154f689e5dd3bae5]::vec::Vec<u8> as std[d054f6f42beb1baa]::io::Write>::write_fmt
[INFO] [stdout]                                at /rustc/28f95933dc0727396c07b48d0a8cb5211b7fb472/library/std/src/io/mod.rs:1977:13
[INFO] [stdout]    8:     0x5c23c2f91e06 - <std[d054f6f42beb1baa]::sys::backtrace::BacktraceLock>::print
[INFO] [stdout]                                at /rustc/28f95933dc0727396c07b48d0a8cb5211b7fb472/library/std/src/sys/backtrace.rs:47:9
[INFO] [stdout]    9:     0x5c23c2f91e06 - std[d054f6f42beb1baa]::panicking::default_hook::{closure#0}
[INFO] [stdout]                                at /rustc/28f95933dc0727396c07b48d0a8cb5211b7fb472/library/std/src/panicking.rs:292:27
[INFO] [stdout]   10:     0x5c23c2fac7d9 - std[d054f6f42beb1baa]::panicking::default_hook
[INFO] [stdout]                                at /rustc/28f95933dc0727396c07b48d0a8cb5211b7fb472/library/std/src/panicking.rs:316:9
[INFO] [stdout]   11:     0x5c23c2e982fc - <alloc[154f689e5dd3bae5]::boxed::Box<dyn for<'a, 'b> core[5a1c3e9896636f3a]::ops::function::Fn<(&'a std[d054f6f42beb1baa]::panic::PanicHookInfo<'b>,), Output = ()> + core[5a1c3e9896636f3a]::marker::Send + core[5a1c3e9896636f3a]::marker::Sync> as core[5a1c3e9896636f3a]::ops::function::Fn<(&std[d054f6f42beb1baa]::panic::PanicHookInfo,)>>::call
[INFO] [stdout]                                at /rustc/28f95933dc0727396c07b48d0a8cb5211b7fb472/library/alloc/src/boxed.rs:2291:9
[INFO] [stdout]   12:     0x5c23c2e982fc - test[fad20673b750c10e]::test_main_inner::<test[fad20673b750c10e]::test_main_static::{closure#0}>::{closure#0}
[INFO] [stdout]                                at /rustc/28f95933dc0727396c07b48d0a8cb5211b7fb472/library/test/src/lib.rs:155:21
[INFO] [stdout]   13:     0x5c23c2faca52 - <alloc[154f689e5dd3bae5]::boxed::Box<dyn for<'a, 'b> core[5a1c3e9896636f3a]::ops::function::Fn<(&'a std[d054f6f42beb1baa]::panic::PanicHookInfo<'b>,), Output = ()> + core[5a1c3e9896636f3a]::marker::Send + core[5a1c3e9896636f3a]::marker::Sync> as core[5a1c3e9896636f3a]::ops::function::Fn<(&std[d054f6f42beb1baa]::panic::PanicHookInfo,)>>::call
[INFO] [stdout]                                at /rustc/28f95933dc0727396c07b48d0a8cb5211b7fb472/library/alloc/src/boxed.rs:2291:9
[INFO] [stdout]   14:     0x5c23c2faca52 - std[d054f6f42beb1baa]::panicking::panic_with_hook
[INFO] [stdout]                                at /rustc/28f95933dc0727396c07b48d0a8cb5211b7fb472/library/std/src/panicking.rs:833:13
[INFO] [stdout]   15:     0x5c23c2f91ec2 - std[d054f6f42beb1baa]::panicking::panic_handler::{closure#0}
[INFO] [stdout]                                at /rustc/28f95933dc0727396c07b48d0a8cb5211b7fb472/library/std/src/panicking.rs:698:13
[INFO] [stdout]   16:     0x5c23c2f896e9 - std[d054f6f42beb1baa]::sys::backtrace::__rust_end_short_backtrace::<std[d054f6f42beb1baa]::panicking::panic_handler::{closure#0}, !>
[INFO] [stdout]                                at /rustc/28f95933dc0727396c07b48d0a8cb5211b7fb472/library/std/src/sys/backtrace.rs:182:18
[INFO] [stdout]   17:     0x5c23c2f92bdd - __rustc[7ab284efd7f33ea8]::rust_begin_unwind
[INFO] [stdout]                                at /rustc/28f95933dc0727396c07b48d0a8cb5211b7fb472/library/std/src/panicking.rs:689:5
[INFO] [stdout]   18:     0x5c23c2fcb20c - core[5a1c3e9896636f3a]::panicking::panic_fmt
[INFO] [stdout]                                at /rustc/28f95933dc0727396c07b48d0a8cb5211b7fb472/library/core/src/panicking.rs:80:14
[INFO] [stdout]   19:     0x5c23c2fcaf82 - core[5a1c3e9896636f3a]::result::unwrap_failed
[INFO] [stdout]                                at /rustc/28f95933dc0727396c07b48d0a8cb5211b7fb472/library/core/src/result.rs:1872:5
[INFO] [stdout]   20:     0x5c23c2e236a4 - <core[5a1c3e9896636f3a]::result::Result<cu_python_task[c2769ced8b960df4]::ProcessBackend, cu29_traits[ed1cd34430cd79cc]::CuError>>::expect
[INFO] [stdout]                                at /rustc/28f95933dc0727396c07b48d0a8cb5211b7fb472/library/core/src/result.rs:1185:23
[INFO] [stdout]   21:     0x5c23c2e45d90 - cu_python_task[c2769ced8b960df4]::tests::process_backend_optional_start_and_stop_hooks_are_noops
[INFO] [stdout]                                at /opt/rustwide/workdir/src/lib.rs:1822:58
[INFO] [stdout]   22:     0x5c23c2e42ac7 - cu_python_task[c2769ced8b960df4]::tests::process_backend_optional_start_and_stop_hooks_are_noops::{closure#0}
[INFO] [stdout]                                at /opt/rustwide/workdir/src/lib.rs:1818:65
[INFO] [stdout]   23:     0x5c23c2e823c6 - <cu_python_task[c2769ced8b960df4]::tests::process_backend_optional_start_and_stop_hooks_are_noops::{closure#0} as core[5a1c3e9896636f3a]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]                                at /rustc/28f95933dc0727396c07b48d0a8cb5211b7fb472/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   24:     0x5c23c2e8b3db - <fn() -> core[5a1c3e9896636f3a]::result::Result<(), alloc[154f689e5dd3bae5]::string::String> as core[5a1c3e9896636f3a]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]                                at /rustc/28f95933dc0727396c07b48d0a8cb5211b7fb472/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   25:     0x5c23c2e8b3db - test[fad20673b750c10e]::__rust_begin_short_backtrace::<core[5a1c3e9896636f3a]::result::Result<(), alloc[154f689e5dd3bae5]::string::String>, fn() -> core[5a1c3e9896636f3a]::result::Result<(), alloc[154f689e5dd3bae5]::string::String>>
[INFO] [stdout]                                at /rustc/28f95933dc0727396c07b48d0a8cb5211b7fb472/library/test/src/lib.rs:724:18
[INFO] [stdout]   26:     0x5c23c2e98c55 - test[fad20673b750c10e]::run_test_in_process::{closure#0}
[INFO] [stdout]                                at /rustc/28f95933dc0727396c07b48d0a8cb5211b7fb472/library/test/src/lib.rs:747:74
[INFO] [stdout]   27:     0x5c23c2e98c55 - <core[5a1c3e9896636f3a]::panic::unwind_safe::AssertUnwindSafe<test[fad20673b750c10e]::run_test_in_process::{closure#0}> as core[5a1c3e9896636f3a]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]                                at /rustc/28f95933dc0727396c07b48d0a8cb5211b7fb472/library/core/src/panic/unwind_safe.rs:275:9
[INFO] [stdout]   28:     0x5c23c2e98c55 - std[d054f6f42beb1baa]::panicking::catch_unwind::do_call::<core[5a1c3e9896636f3a]::panic::unwind_safe::AssertUnwindSafe<test[fad20673b750c10e]::run_test_in_process::{closure#0}>, core[5a1c3e9896636f3a]::result::Result<(), alloc[154f689e5dd3bae5]::string::String>>
[INFO] [stdout]                                at /rustc/28f95933dc0727396c07b48d0a8cb5211b7fb472/library/std/src/panicking.rs:581:40
[INFO] [stdout]   29:     0x5c23c2e98c55 - std[d054f6f42beb1baa]::panicking::catch_unwind::<core[5a1c3e9896636f3a]::result::Result<(), alloc[154f689e5dd3bae5]::string::String>, core[5a1c3e9896636f3a]::panic::unwind_safe::AssertUnwindSafe<test[fad20673b750c10e]::run_test_in_process::{closure#0}>>
[INFO] [stdout]                                at /rustc/28f95933dc0727396c07b48d0a8cb5211b7fb472/library/std/src/panicking.rs:544:19
[INFO] [stdout]   30:     0x5c23c2e98c55 - std[d054f6f42beb1baa]::panic::catch_unwind::<core[5a1c3e9896636f3a]::panic::unwind_safe::AssertUnwindSafe<test[fad20673b750c10e]::run_test_in_process::{closure#0}>, core[5a1c3e9896636f3a]::result::Result<(), alloc[154f689e5dd3bae5]::string::String>>
[INFO] [stdout]                                at /rustc/28f95933dc0727396c07b48d0a8cb5211b7fb472/library/std/src/panic.rs:359:14
[INFO] [stdout]   31:     0x5c23c2e98c55 - test[fad20673b750c10e]::run_test_in_process
[INFO] [stdout]                                at /rustc/28f95933dc0727396c07b48d0a8cb5211b7fb472/library/test/src/lib.rs:747:27
[INFO] [stdout]   32:     0x5c23c2e98c55 - test[fad20673b750c10e]::run_test::{closure#0}
[INFO] [stdout]                                at /rustc/28f95933dc0727396c07b48d0a8cb5211b7fb472/library/test/src/lib.rs:668:43
[INFO] [stdout]   33:     0x5c23c2e937b4 - test[fad20673b750c10e]::run_test::{closure#1}
[INFO] [stdout]                                at /rustc/28f95933dc0727396c07b48d0a8cb5211b7fb472/library/test/src/lib.rs:698:41
[INFO] [stdout]   34:     0x5c23c2e937b4 - std[d054f6f42beb1baa]::sys::backtrace::__rust_begin_short_backtrace::<test[fad20673b750c10e]::run_test::{closure#1}, ()>
[INFO] [stdout]                                at /rustc/28f95933dc0727396c07b48d0a8cb5211b7fb472/library/std/src/sys/backtrace.rs:166:18
[INFO] [stdout]   35:     0x5c23c2e9bcd2 - std[d054f6f42beb1baa]::thread::lifecycle::spawn_unchecked::<test[fad20673b750c10e]::run_test::{closure#1}, ()>::{closure#1}::{closure#0}
[INFO] [stdout]                                at /rustc/28f95933dc0727396c07b48d0a8cb5211b7fb472/library/std/src/thread/lifecycle.rs:70:13
[INFO] [stdout]   36:     0x5c23c2e9bcd2 - <core[5a1c3e9896636f3a]::panic::unwind_safe::AssertUnwindSafe<std[d054f6f42beb1baa]::thread::lifecycle::spawn_unchecked<test[fad20673b750c10e]::run_test::{closure#1}, ()>::{closure#1}::{closure#0}> as core[5a1c3e9896636f3a]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]                                at /rustc/28f95933dc0727396c07b48d0a8cb5211b7fb472/library/core/src/panic/unwind_safe.rs:275:9
[INFO] [stdout]   37:     0x5c23c2e9bcd2 - std[d054f6f42beb1baa]::panicking::catch_unwind::do_call::<core[5a1c3e9896636f3a]::panic::unwind_safe::AssertUnwindSafe<std[d054f6f42beb1baa]::thread::lifecycle::spawn_unchecked<test[fad20673b750c10e]::run_test::{closure#1}, ()>::{closure#1}::{closure#0}>, ()>
[INFO] [stdout]                                at /rustc/28f95933dc0727396c07b48d0a8cb5211b7fb472/library/std/src/panicking.rs:581:40
[INFO] [stdout]   38:     0x5c23c2e9bcd2 - std[d054f6f42beb1baa]::panicking::catch_unwind::<(), core[5a1c3e9896636f3a]::panic::unwind_safe::AssertUnwindSafe<std[d054f6f42beb1baa]::thread::lifecycle::spawn_unchecked<test[fad20673b750c10e]::run_test::{closure#1}, ()>::{closure#1}::{closure#0}>>
[INFO] [stdout]                                at /rustc/28f95933dc0727396c07b48d0a8cb5211b7fb472/library/std/src/panicking.rs:544:19
[INFO] [stdout]   39:     0x5c23c2e9bcd2 - std[d054f6f42beb1baa]::panic::catch_unwind::<core[5a1c3e9896636f3a]::panic::unwind_safe::AssertUnwindSafe<std[d054f6f42beb1baa]::thread::lifecycle::spawn_unchecked<test[fad20673b750c10e]::run_test::{closure#1}, ()>::{closure#1}::{closure#0}>, ()>
[INFO] [stdout]                                at /rustc/28f95933dc0727396c07b48d0a8cb5211b7fb472/library/std/src/panic.rs:359:14
[INFO] [stdout]   40:     0x5c23c2e9bcd2 - std[d054f6f42beb1baa]::thread::lifecycle::spawn_unchecked::<test[fad20673b750c10e]::run_test::{closure#1}, ()>::{closure#1}
[INFO] [stdout]                                at /rustc/28f95933dc0727396c07b48d0a8cb5211b7fb472/library/std/src/thread/lifecycle.rs:68:26
[INFO] [stdout]   41:     0x5c23c2e9bcd2 - <std[d054f6f42beb1baa]::thread::lifecycle::spawn_unchecked<test[fad20673b750c10e]::run_test::{closure#1}, ()>::{closure#1} as core[5a1c3e9896636f3a]::ops::function::FnOnce<()>>::call_once::{shim:vtable#0}
[INFO] [stdout]                                at /rustc/28f95933dc0727396c07b48d0a8cb5211b7fb472/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   42:     0x5c23c2fb450f - <alloc[154f689e5dd3bae5]::boxed::Box<dyn core[5a1c3e9896636f3a]::ops::function::FnOnce<(), Output = ()> + core[5a1c3e9896636f3a]::marker::Send> as core[5a1c3e9896636f3a]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]                                at /rustc/28f95933dc0727396c07b48d0a8cb5211b7fb472/library/alloc/src/boxed.rs:2277:9
[INFO] [stdout]   43:     0x5c23c2fb450f - <std[d054f6f42beb1baa]::sys::thread::unix::Thread>::new::thread_start
[INFO] [stdout]                                at /rustc/28f95933dc0727396c07b48d0a8cb5211b7fb472/library/std/src/sys/thread/unix.rs:118:17
[INFO] [stdout]   44:     0x7a8fbbc47aa4 - <unknown>
[INFO] [stdout]   45:     0x7a8fbbcd4a64 - clone
[INFO] [stdout]   46:                0x0 - <unknown>
[INFO] [stdout] 
[INFO] [stdout] ---- tests::process_backend_preserves_rebound_scalar_state stdout ----
[INFO] [stdout] 
[INFO] [stdout] thread 'tests::process_backend_preserves_rebound_scalar_state' (2163) panicked at src/lib.rs:1765:58:
[INFO] [stdout] start backend: CuError { message: "Python task process exited during startup with status exit status: 1", cause: None }
[INFO] [stdout] stack backtrace:
[INFO] [stdout]    0:     0x5c23c2fb4db8 - std[d054f6f42beb1baa]::backtrace_rs::backtrace::libunwind::trace
[INFO] [stdout]                                at /rustc/28f95933dc0727396c07b48d0a8cb5211b7fb472/library/std/src/../../backtrace/src/backtrace/libunwind.rs:117:9
[INFO] [stdout]    1:     0x5c23c2fb4db8 - std[d054f6f42beb1baa]::backtrace_rs::backtrace::trace_unsynchronized::<std[d054f6f42beb1baa]::sys::backtrace::_print_fmt::{closure#1}>
[INFO] [stdout]                                at /rustc/28f95933dc0727396c07b48d0a8cb5211b7fb472/library/std/src/../../backtrace/src/backtrace/mod.rs:66:14
[INFO] [stdout]    2:     0x5c23c2fb4db8 - std[d054f6f42beb1baa]::sys::backtrace::_print_fmt
[INFO] [stdout]                                at /rustc/28f95933dc0727396c07b48d0a8cb5211b7fb472/library/std/src/sys/backtrace.rs:74:9
[INFO] [stdout]    3:     0x5c23c2fb4db8 - <<std[d054f6f42beb1baa]::sys::backtrace::BacktraceLock>::print::DisplayBacktrace as core[5a1c3e9896636f3a]::fmt::Display>::fmt
[INFO] [stdout]                                at /rustc/28f95933dc0727396c07b48d0a8cb5211b7fb472/library/std/src/sys/backtrace.rs:44:26
[INFO] [stdout]    4:     0x5c23c2fcaaba - <core[5a1c3e9896636f3a]::fmt::rt::Argument>::fmt
[INFO] [stdout]                                at /rustc/28f95933dc0727396c07b48d0a8cb5211b7fb472/library/core/src/fmt/rt.rs:152:76
[INFO] [stdout]    5:     0x5c23c2fcaaba - core[5a1c3e9896636f3a]::fmt::write
[INFO] [stdout]    6:     0x5c23c2fb99f2 - std[d054f6f42beb1baa]::io::default_write_fmt::<alloc[154f689e5dd3bae5]::vec::Vec<u8>>
[INFO] [stdout]                                at /rustc/28f95933dc0727396c07b48d0a8cb5211b7fb472/library/std/src/io/mod.rs:622:11
[INFO] [stdout]    7:     0x5c23c2fb99f2 - <alloc[154f689e5dd3bae5]::vec::Vec<u8> as std[d054f6f42beb1baa]::io::Write>::write_fmt
[INFO] [stdout]                                at /rustc/28f95933dc0727396c07b48d0a8cb5211b7fb472/library/std/src/io/mod.rs:1977:13
[INFO] [stdout]    8:     0x5c23c2f91e06 - <std[d054f6f42beb1baa]::sys::backtrace::BacktraceLock>::print
[INFO] [stdout]                                at /rustc/28f95933dc0727396c07b48d0a8cb5211b7fb472/library/std/src/sys/backtrace.rs:47:9
[INFO] [stdout]    9:     0x5c23c2f91e06 - std[d054f6f42beb1baa]::panicking::default_hook::{closure#0}
[INFO] [stdout]                                at /rustc/28f95933dc0727396c07b48d0a8cb5211b7fb472/library/std/src/panicking.rs:292:27
[INFO] [stdout]   10:     0x5c23c2fac7d9 - std[d054f6f42beb1baa]::panicking::default_hook
[INFO] [stdout]                                at /rustc/28f95933dc0727396c07b48d0a8cb5211b7fb472/library/std/src/panicking.rs:316:9
[INFO] [stdout]   11:     0x5c23c2e982fc - <alloc[154f689e5dd3bae5]::boxed::Box<dyn for<'a, 'b> core[5a1c3e9896636f3a]::ops::function::Fn<(&'a std[d054f6f42beb1baa]::panic::PanicHookInfo<'b>,), Output = ()> + core[5a1c3e9896636f3a]::marker::Send + core[5a1c3e9896636f3a]::marker::Sync> as core[5a1c3e9896636f3a]::ops::function::Fn<(&std[d054f6f42beb1baa]::panic::PanicHookInfo,)>>::call
[INFO] [stdout]                                at /rustc/28f95933dc0727396c07b48d0a8cb5211b7fb472/library/alloc/src/boxed.rs:2291:9
[INFO] [stdout]   12:     0x5c23c2e982fc - test[fad20673b750c10e]::test_main_inner::<test[fad20673b750c10e]::test_main_static::{closure#0}>::{closure#0}
[INFO] [stdout]                                at /rustc/28f95933dc0727396c07b48d0a8cb5211b7fb472/library/test/src/lib.rs:155:21
[INFO] [stdout]   13:     0x5c23c2faca52 - <alloc[154f689e5dd3bae5]::boxed::Box<dyn for<'a, 'b> core[5a1c3e9896636f3a]::ops::function::Fn<(&'a std[d054f6f42beb1baa]::panic::PanicHookInfo<'b>,), Output = ()> + core[5a1c3e9896636f3a]::marker::Send + core[5a1c3e9896636f3a]::marker::Sync> as core[5a1c3e9896636f3a]::ops::function::Fn<(&std[d054f6f42beb1baa]::panic::PanicHookInfo,)>>::call
[INFO] [stdout]                                at /rustc/28f95933dc0727396c07b48d0a8cb5211b7fb472/library/alloc/src/boxed.rs:2291:9
[INFO] [stdout]   14:     0x5c23c2faca52 - std[d054f6f42beb1baa]::panicking::panic_with_hook
[INFO] [stdout]                                at /rustc/28f95933dc0727396c07b48d0a8cb5211b7fb472/library/std/src/panicking.rs:833:13
[INFO] [stdout]   15:     0x5c23c2f91ec2 - std[d054f6f42beb1baa]::panicking::panic_handler::{closure#0}
[INFO] [stdout]                                at /rustc/28f95933dc0727396c07b48d0a8cb5211b7fb472/library/std/src/panicking.rs:698:13
[INFO] [stdout]   16:     0x5c23c2f896e9 - std[d054f6f42beb1baa]::sys::backtrace::__rust_end_short_backtrace::<std[d054f6f42beb1baa]::panicking::panic_handler::{closure#0}, !>
[INFO] [stdout]                                at /rustc/28f95933dc0727396c07b48d0a8cb5211b7fb472/library/std/src/sys/backtrace.rs:182:18
[INFO] [stdout]   17:     0x5c23c2f92bdd - __rustc[7ab284efd7f33ea8]::rust_begin_unwind
[INFO] [stdout]                                at /rustc/28f95933dc0727396c07b48d0a8cb5211b7fb472/library/std/src/panicking.rs:689:5
[INFO] [stdout]   18:     0x5c23c2fcb20c - core[5a1c3e9896636f3a]::panicking::panic_fmt
[INFO] [stdout]                                at /rustc/28f95933dc0727396c07b48d0a8cb5211b7fb472/library/core/src/panicking.rs:80:14
[INFO] [stdout]   19:     0x5c23c2fcaf82 - core[5a1c3e9896636f3a]::result::unwrap_failed
[INFO] [stdout]                                at /rustc/28f95933dc0727396c07b48d0a8cb5211b7fb472/library/core/src/result.rs:1872:5
[INFO] [stdout]   20:     0x5c23c2e236a4 - <core[5a1c3e9896636f3a]::result::Result<cu_python_task[c2769ced8b960df4]::ProcessBackend, cu29_traits[ed1cd34430cd79cc]::CuError>>::expect
[INFO] [stdout]                                at /rustc/28f95933dc0727396c07b48d0a8cb5211b7fb472/library/core/src/result.rs:1185:23
[INFO] [stdout]   21:     0x5c23c2e44993 - cu_python_task[c2769ced8b960df4]::tests::process_backend_preserves_rebound_scalar_state
[INFO] [stdout]                                at /opt/rustwide/workdir/src/lib.rs:1765:58
[INFO] [stdout]   22:     0x5c23c2e429d7 - cu_python_task[c2769ced8b960df4]::tests::process_backend_preserves_rebound_scalar_state::{closure#0}
[INFO] [stdout]                                at /opt/rustwide/workdir/src/lib.rs:1760:56
[INFO] [stdout]   23:     0x5c23c2e82286 - <cu_python_task[c2769ced8b960df4]::tests::process_backend_preserves_rebound_scalar_state::{closure#0} as core[5a1c3e9896636f3a]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]                                at /rustc/28f95933dc0727396c07b48d0a8cb5211b7fb472/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   24:     0x5c23c2e8b3db - <fn() -> core[5a1c3e9896636f3a]::result::Result<(), alloc[154f689e5dd3bae5]::string::String> as core[5a1c3e9896636f3a]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]                                at /rustc/28f95933dc0727396c07b48d0a8cb5211b7fb472/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   25:     0x5c23c2e8b3db - test[fad20673b750c10e]::__rust_begin_short_backtrace::<core[5a1c3e9896636f3a]::result::Result<(), alloc[154f689e5dd3bae5]::string::String>, fn() -> core[5a1c3e9896636f3a]::result::Result<(), alloc[154f689e5dd3bae5]::string::String>>
[INFO] [stdout]                                at /rustc/28f95933dc0727396c07b48d0a8cb5211b7fb472/library/test/src/lib.rs:724:18
[INFO] [stdout]   26:     0x5c23c2e98c55 - test[fad20673b750c10e]::run_test_in_process::{closure#0}
[INFO] [stdout]                                at /rustc/28f95933dc0727396c07b48d0a8cb5211b7fb472/library/test/src/lib.rs:747:74
[INFO] [stdout]   27:     0x5c23c2e98c55 - <core[5a1c3e9896636f3a]::panic::unwind_safe::AssertUnwindSafe<test[fad20673b750c10e]::run_test_in_process::{closure#0}> as core[5a1c3e9896636f3a]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]                                at /rustc/28f95933dc0727396c07b48d0a8cb5211b7fb472/library/core/src/panic/unwind_safe.rs:275:9
[INFO] [stdout]   28:     0x5c23c2e98c55 - std[d054f6f42beb1baa]::panicking::catch_unwind::do_call::<core[5a1c3e9896636f3a]::panic::unwind_safe::AssertUnwindSafe<test[fad20673b750c10e]::run_test_in_process::{closure#0}>, core[5a1c3e9896636f3a]::result::Result<(), alloc[154f689e5dd3bae5]::string::String>>
[INFO] [stdout]                                at /rustc/28f95933dc0727396c07b48d0a8cb5211b7fb472/library/std/src/panicking.rs:581:40
[INFO] [stdout]   29:     0x5c23c2e98c55 - std[d054f6f42beb1baa]::panicking::catch_unwind::<core[5a1c3e9896636f3a]::result::Result<(), alloc[154f689e5dd3bae5]::string::String>, core[5a1c3e9896636f3a]::panic::unwind_safe::AssertUnwindSafe<test[fad20673b750c10e]::run_test_in_process::{closure#0}>>
[INFO] [stdout]                                at /rustc/28f95933dc0727396c07b48d0a8cb5211b7fb472/library/std/src/panicking.rs:544:19
[INFO] [stdout]   30:     0x5c23c2e98c55 - std[d054f6f42beb1baa]::panic::catch_unwind::<core[5a1c3e9896636f3a]::panic::unwind_safe::AssertUnwindSafe<test[fad20673b750c10e]::run_test_in_process::{closure#0}>, core[5a1c3e9896636f3a]::result::Result<(), alloc[154f689e5dd3bae5]::string::String>>
[INFO] [stdout]                                at /rustc/28f95933dc0727396c07b48d0a8cb5211b7fb472/library/std/src/panic.rs:359:14
[INFO] [stdout]   31:     0x5c23c2e98c55 - test[fad20673b750c10e]::run_test_in_process
[INFO] [stdout]                                at /rustc/28f95933dc0727396c07b48d0a8cb5211b7fb472/library/test/src/lib.rs:747:27
[INFO] [stdout]   32:     0x5c23c2e98c55 - test[fad20673b750c10e]::run_test::{closure#0}
[INFO] [stdout]                                at /rustc/28f95933dc0727396c07b48d0a8cb5211b7fb472/library/test/src/lib.rs:668:43
[INFO] [stdout]   33:     0x5c23c2e937b4 - test[fad20673b750c10e]::run_test::{closure#1}
[INFO] [stdout]                                at /rustc/28f95933dc0727396c07b48d0a8cb5211b7fb472/library/test/src/lib.rs:698:41
[INFO] [stdout]   34:     0x5c23c2e937b4 - std[d054f6f42beb1baa]::sys::backtrace::__rust_begin_short_backtrace::<test[fad20673b750c10e]::run_test::{closure#1}, ()>
[INFO] [stdout]                                at /rustc/28f95933dc0727396c07b48d0a8cb5211b7fb472/library/std/src/sys/backtrace.rs:166:18
[INFO] [stdout]   35:     0x5c23c2e9bcd2 - std[d054f6f42beb1baa]::thread::lifecycle::spawn_unchecked::<test[fad20673b750c10e]::run_test::{closure#1}, ()>::{closure#1}::{closure#0}
[INFO] [stdout]                                at /rustc/28f95933dc0727396c07b48d0a8cb5211b7fb472/library/std/src/thread/lifecycle.rs:70:13
[INFO] [stdout]   36:     0x5c23c2e9bcd2 - <core[5a1c3e9896636f3a]::panic::unwind_safe::AssertUnwindSafe<std[d054f6f42beb1baa]::thread::lifecycle::spawn_unchecked<test[fad20673b750c10e]::run_test::{closure#1}, ()>::{closure#1}::{closure#0}> as core[5a1c3e9896636f3a]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]                                at /rustc/28f95933dc0727396c07b48d0a8cb5211b7fb472/library/core/src/panic/unwind_safe.rs:275:9
[INFO] [stdout]   37:     0x5c23c2e9bcd2 - std[d054f6f42beb1baa]::panicking::catch_unwind::do_call::<core[5a1c3e9896636f3a]::panic::unwind_safe::AssertUnwindSafe<std[d054f6f42beb1baa]::thread::lifecycle::spawn_unchecked<test[fad20673b750c10e]::run_test::{closure#1}, ()>::{closure#1}::{closure#0}>, ()>
[INFO] [stdout]                                at /rustc/28f95933dc0727396c07b48d0a8cb5211b7fb472/library/std/src/panicking.rs:581:40
[INFO] [stdout]   38:     0x5c23c2e9bcd2 - std[d054f6f42beb1baa]::panicking::catch_unwind::<(), core[5a1c3e9896636f3a]::panic::unwind_safe::AssertUnwindSafe<std[d054f6f42beb1baa]::thread::lifecycle::spawn_unchecked<test[fad20673b750c10e]::run_test::{closure#1}, ()>::{closure#1}::{closure#0}>>
[INFO] [stdout]                                at /rustc/28f95933dc0727396c07b48d0a8cb5211b7fb472/library/std/src/panicking.rs:544:19
[INFO] [stdout]   39:     0x5c23c2e9bcd2 - std[d054f6f42beb1baa]::panic::catch_unwind::<core[5a1c3e9896636f3a]::panic::unwind_safe::AssertUnwindSafe<std[d054f6f42beb1baa]::thread::lifecycle::spawn_unchecked<test[fad20673b750c10e]::run_test::{closure#1}, ()>::{closure#1}::{closure#0}>, ()>
[INFO] [stdout]                                at /rustc/28f95933dc0727396c07b48d0a8cb5211b7fb472/library/std/src/panic.rs:359:14
[INFO] [stdout]   40:     0x5c23c2e9bcd2 - std[d054f6f42beb1baa]::thread::lifecycle::spawn_unchecked::<test[fad20673b750c10e]::run_test::{closure#1}, ()>::{closure#1}
[INFO] [stdout]                                at /rustc/28f95933dc0727396c07b48d0a8cb5211b7fb472/library/std/src/thread/lifecycle.rs:68:26
[INFO] [stdout]   41:     0x5c23c2e9bcd2 - <std[d054f6f42beb1baa]::thread::lifecycle::spawn_unchecked<test[fad20673b750c10e]::run_test::{closure#1}, ()>::{closure#1} as core[5a1c3e9896636f3a]::ops::function::FnOnce<()>>::call_once::{shim:vtable#0}
[INFO] [stdout]                                at /rustc/28f95933dc0727396c07b48d0a8cb5211b7fb472/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   42:     0x5c23c2fb450f - <alloc[154f689e5dd3bae5]::boxed::Box<dyn core[5a1c3e9896636f3a]::ops::function::FnOnce<(), Output = ()> + core[5a1c3e9896636f3a]::marker::Send> as core[5a1c3e9896636f3a]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]                                at /rustc/28f95933dc0727396c07b48d0a8cb5211b7fb472/library/alloc/src/boxed.rs:2277:9
[INFO] [stdout]   43:     0x5c23c2fb450f - <std[d054f6f42beb1baa]::sys::thread::unix::Thread>::new::thread_start
[INFO] [stdout]                                at /rustc/28f95933dc0727396c07b48d0a8cb5211b7fb472/library/std/src/sys/thread/unix.rs:118:17
[INFO] [stdout]   44:     0x7a8fbbc47aa4 - <unknown>
[INFO] [stdout]   45:     0x7a8fbbcd4a64 - clone
[INFO] [stdout]   46:                0x0 - <unknown>
[INFO] [stdout] 
[INFO] [stdout] ---- tests::process_backend_keeps_absent_output_payload_when_python_does_not_touch_it stdout ----
[INFO] [stdout] 
[INFO] [stdout] thread 'tests::process_backend_keeps_absent_output_payload_when_python_does_not_touch_it' (2160) panicked at src/lib.rs:1708:58:
[INFO] [stdout] start backend: CuError { message: "Python task process exited during startup with status exit status: 1", cause: None }
[INFO] [stdout] stack backtrace:
[INFO] [stdout]    0:     0x5c23c2fb4db8 - std[d054f6f42beb1baa]::backtrace_rs::backtrace::libunwind::trace
[INFO] [stdout]                                at /rustc/28f95933dc0727396c07b48d0a8cb5211b7fb472/library/std/src/../../backtrace/src/backtrace/libunwind.rs:117:9
[INFO] [stdout]    1:     0x5c23c2fb4db8 - std[d054f6f42beb1baa]::backtrace_rs::backtrace::trace_unsynchronized::<std[d054f6f42beb1baa]::sys::backtrace::_print_fmt::{closure#1}>
[INFO] [stdout]                                at /rustc/28f95933dc0727396c07b48d0a8cb5211b7fb472/library/std/src/../../backtrace/src/backtrace/mod.rs:66:14
[INFO] [stdout]    2:     0x5c23c2fb4db8 - std[d054f6f42beb1baa]::sys::backtrace::_print_fmt
[INFO] [stdout]                                at /rustc/28f95933dc0727396c07b48d0a8cb5211b7fb472/library/std/src/sys/backtrace.rs:74:9
[INFO] [stdout]    3:     0x5c23c2fb4db8 - <<std[d054f6f42beb1baa]::sys::backtrace::BacktraceLock>::print::DisplayBacktrace as core[5a1c3e9896636f3a]::fmt::Display>::fmt
[INFO] [stdout]                                at /rustc/28f95933dc0727396c07b48d0a8cb5211b7fb472/library/std/src/sys/backtrace.rs:44:26
[INFO] [stdout]    4:     0x5c23c2fcaaba - <core[5a1c3e9896636f3a]::fmt::rt::Argument>::fmt
[INFO] [stdout]                                at /rustc/28f95933dc0727396c07b48d0a8cb5211b7fb472/library/core/src/fmt/rt.rs:152:76
[INFO] [stdout]    5:     0x5c23c2fcaaba - core[5a1c3e9896636f3a]::fmt::write
[INFO] [stdout]    6:     0x5c23c2fb99f2 - std[d054f6f42beb1baa]::io::default_write_fmt::<alloc[154f689e5dd3bae5]::vec::Vec<u8>>
[INFO] [stdout]                                at /rustc/28f95933dc0727396c07b48d0a8cb5211b7fb472/library/std/src/io/mod.rs:622:11
[INFO] [stdout]    7:     0x5c23c2fb99f2 - <alloc[154f689e5dd3bae5]::vec::Vec<u8> as std[d054f6f42beb1baa]::io::Write>::write_fmt
[INFO] [stdout]                                at /rustc/28f95933dc0727396c07b48d0a8cb5211b7fb472/library/std/src/io/mod.rs:1977:13
[INFO] [stdout]    8:     0x5c23c2f91e06 - <std[d054f6f42beb1baa]::sys::backtrace::BacktraceLock>::print
[INFO] [stdout]                                at /rustc/28f95933dc0727396c07b48d0a8cb5211b7fb472/library/std/src/sys/backtrace.rs:47:9
[INFO] [stdout]    9:     0x5c23c2f91e06 - std[d054f6f42beb1baa]::panicking::default_hook::{closure#0}
[INFO] [stdout]                                at /rustc/28f95933dc0727396c07b48d0a8cb5211b7fb472/library/std/src/panicking.rs:292:27
[INFO] [stdout]   10:     0x5c23c2fac7d9 - std[d054f6f42beb1baa]::panicking::default_hook
[INFO] [stdout]                                at /rustc/28f95933dc0727396c07b48d0a8cb5211b7fb472/library/std/src/panicking.rs:316:9
[INFO] [stdout]   11:     0x5c23c2e982fc - <alloc[154f689e5dd3bae5]::boxed::Box<dyn for<'a, 'b> core[5a1c3e9896636f3a]::ops::function::Fn<(&'a std[d054f6f42beb1baa]::panic::PanicHookInfo<'b>,), Output = ()> + core[5a1c3e9896636f3a]::marker::Send + core[5a1c3e9896636f3a]::marker::Sync> as core[5a1c3e9896636f3a]::ops::function::Fn<(&std[d054f6f42beb1baa]::panic::PanicHookInfo,)>>::call
[INFO] [stdout]                                at /rustc/28f95933dc0727396c07b48d0a8cb5211b7fb472/library/alloc/src/boxed.rs:2291:9
[INFO] [stdout]   12:     0x5c23c2e982fc - test[fad20673b750c10e]::test_main_inner::<test[fad20673b750c10e]::test_main_static::{closure#0}>::{closure#0}
[INFO] [stdout]                                at /rustc/28f95933dc0727396c07b48d0a8cb5211b7fb472/library/test/src/lib.rs:155:21
[INFO] [stdout]   13:     0x5c23c2faca52 - <alloc[154f689e5dd3bae5]::boxed::Box<dyn for<'a, 'b> core[5a1c3e9896636f3a]::ops::function::Fn<(&'a std[d054f6f42beb1baa]::panic::PanicHookInfo<'b>,), Output = ()> + core[5a1c3e9896636f3a]::marker::Send + core[5a1c3e9896636f3a]::marker::Sync> as core[5a1c3e9896636f3a]::ops::function::Fn<(&std[d054f6f42beb1baa]::panic::PanicHookInfo,)>>::call
[INFO] [stdout]                                at /rustc/28f95933dc0727396c07b48d0a8cb5211b7fb472/library/alloc/src/boxed.rs:2291:9
[INFO] [stdout]   14:     0x5c23c2faca52 - std[d054f6f42beb1baa]::panicking::panic_with_hook
[INFO] [stdout]                                at /rustc/28f95933dc0727396c07b48d0a8cb5211b7fb472/library/std/src/panicking.rs:833:13
[INFO] [stdout]   15:     0x5c23c2f91ec2 - std[d054f6f42beb1baa]::panicking::panic_handler::{closure#0}
[INFO] [stdout]                                at /rustc/28f95933dc0727396c07b48d0a8cb5211b7fb472/library/std/src/panicking.rs:698:13
[INFO] [stdout]   16:     0x5c23c2f896e9 - std[d054f6f42beb1baa]::sys::backtrace::__rust_end_short_backtrace::<std[d054f6f42beb1baa]::panicking::panic_handler::{closure#0}, !>
[INFO] [stdout]                                at /rustc/28f95933dc0727396c07b48d0a8cb5211b7fb472/library/std/src/sys/backtrace.rs:182:18
[INFO] [stdout]   17:     0x5c23c2f92bdd - __rustc[7ab284efd7f33ea8]::rust_begin_unwind
[INFO] [stdout]                                at /rustc/28f95933dc0727396c07b48d0a8cb5211b7fb472/library/std/src/panicking.rs:689:5
[INFO] [stdout]   18:     0x5c23c2fcb20c - core[5a1c3e9896636f3a]::panicking::panic_fmt
[INFO] [stdout]                                at /rustc/28f95933dc0727396c07b48d0a8cb5211b7fb472/library/core/src/panicking.rs:80:14
[INFO] [stdout]   19:     0x5c23c2fcaf82 - core[5a1c3e9896636f3a]::result::unwrap_failed
[INFO] [stdout]                                at /rustc/28f95933dc0727396c07b48d0a8cb5211b7fb472/library/core/src/result.rs:1872:5
[INFO] [stdout]   20:     0x5c23c2e236a4 - <core[5a1c3e9896636f3a]::result::Result<cu_python_task[c2769ced8b960df4]::ProcessBackend, cu29_traits[ed1cd34430cd79cc]::CuError>>::expect
[INFO] [stdout]                                at /rustc/28f95933dc0727396c07b48d0a8cb5211b7fb472/library/core/src/result.rs:1185:23
[INFO] [stdout]   21:     0x5c23c2e47423 - cu_python_task[c2769ced8b960df4]::tests::process_backend_keeps_absent_output_payload_when_python_does_not_touch_it
[INFO] [stdout]                                at /opt/rustwide/workdir/src/lib.rs:1708:58
[INFO] [stdout]   22:     0x5c23c2e42bb7 - cu_python_task[c2769ced8b960df4]::tests::process_backend_keeps_absent_output_payload_when_python_does_not_touch_it::{closure#0}
[INFO] [stdout]                                at /opt/rustwide/workdir/src/lib.rs:1704:83
[INFO] [stdout]   23:     0x5c23c2e82506 - <cu_python_task[c2769ced8b960df4]::tests::process_backend_keeps_absent_output_payload_when_python_does_not_touch_it::{closure#0} as core[5a1c3e9896636f3a]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]                                at /rustc/28f95933dc0727396c07b48d0a8cb5211b7fb472/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   24:     0x5c23c2e8b3db - <fn() -> core[5a1c3e9896636f3a]::result::Result<(), alloc[154f689e5dd3bae5]::string::String> as core[5a1c3e9896636f3a]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]                                at /rustc/28f95933dc0727396c07b48d0a8cb5211b7fb472/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   25:     0x5c23c2e8b3db - test[fad20673b750c10e]::__rust_begin_short_backtrace::<core[5a1c3e9896636f3a]::result::Result<(), alloc[154f689e5dd3bae5]::string::String>, fn() -> core[5a1c3e9896636f3a]::result::Result<(), alloc[154f689e5dd3bae5]::string::String>>
[INFO] [stdout]                                at /rustc/28f95933dc0727396c07b48d0a8cb5211b7fb472/library/test/src/lib.rs:724:18
[INFO] [stdout]   26:     0x5c23c2e98c55 - test[fad20673b750c10e]::run_test_in_process::{closure#0}
[INFO] [stdout]                                at /rustc/28f95933dc0727396c07b48d0a8cb5211b7fb472/library/test/src/lib.rs:747:74
[INFO] [stdout]   27:     0x5c23c2e98c55 - <core[5a1c3e9896636f3a]::panic::unwind_safe::AssertUnwindSafe<test[fad20673b750c10e]::run_test_in_process::{closure#0}> as core[5a1c3e9896636f3a]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]                                at /rustc/28f95933dc0727396c07b48d0a8cb5211b7fb472/library/core/src/panic/unwind_safe.rs:275:9
[INFO] [stdout]   28:     0x5c23c2e98c55 - std[d054f6f42beb1baa]::panicking::catch_unwind::do_call::<core[5a1c3e9896636f3a]::panic::unwind_safe::AssertUnwindSafe<test[fad20673b750c10e]::run_test_in_process::{closure#0}>, core[5a1c3e9896636f3a]::result::Result<(), alloc[154f689e5dd3bae5]::string::String>>
[INFO] [stdout]                                at /rustc/28f95933dc0727396c07b48d0a8cb5211b7fb472/library/std/src/panicking.rs:581:40
[INFO] [stdout]   29:     0x5c23c2e98c55 - std[d054f6f42beb1baa]::panicking::catch_unwind::<core[5a1c3e9896636f3a]::result::Result<(), alloc[154f689e5dd3bae5]::string::String>, core[5a1c3e9896636f3a]::panic::unwind_safe::AssertUnwindSafe<test[fad20673b750c10e]::run_test_in_process::{closure#0}>>
[INFO] [stdout]                                at /rustc/28f95933dc0727396c07b48d0a8cb5211b7fb472/library/std/src/panicking.rs:544:19
[INFO] [stdout]   30:     0x5c23c2e98c55 - std[d054f6f42beb1baa]::panic::catch_unwind::<core[5a1c3e9896636f3a]::panic::unwind_safe::AssertUnwindSafe<test[fad20673b750c10e]::run_test_in_process::{closure#0}>, core[5a1c3e9896636f3a]::result::Result<(), alloc[154f689e5dd3bae5]::string::String>>
[INFO] [stdout]                                at /rustc/28f95933dc0727396c07b48d0a8cb5211b7fb472/library/std/src/panic.rs:359:14
[INFO] [stdout]   31:     0x5c23c2e98c55 - test[fad20673b750c10e]::run_test_in_process
[INFO] [stdout]                                at /rustc/28f95933dc0727396c07b48d0a8cb5211b7fb472/library/test/src/lib.rs:747:27
[INFO] [stdout]   32:     0x5c23c2e98c55 - test[fad20673b750c10e]::run_test::{closure#0}
[INFO] [stdout]                                at /rustc/28f95933dc0727396c07b48d0a8cb5211b7fb472/library/test/src/lib.rs:668:43
[INFO] [stdout]   33:     0x5c23c2e937b4 - test[fad20673b750c10e]::run_test::{closure#1}
[INFO] [stdout]                                at /rustc/28f95933dc0727396c07b48d0a8cb5211b7fb472/library/test/src/lib.rs:698:41
[INFO] [stdout]   34:     0x5c23c2e937b4 - std[d054f6f42beb1baa]::sys::backtrace::__rust_begin_short_backtrace::<test[fad20673b750c10e]::run_test::{closure#1}, ()>
[INFO] [stdout]                                at /rustc/28f95933dc0727396c07b48d0a8cb5211b7fb472/library/std/src/sys/backtrace.rs:166:18
[INFO] [stdout]   35:     0x5c23c2e9bcd2 - std[d054f6f42beb1baa]::thread::lifecycle::spawn_unchecked::<test[fad20673b750c10e]::run_test::{closure#1}, ()>::{closure#1}::{closure#0}
[INFO] [stdout]                                at /rustc/28f95933dc0727396c07b48d0a8cb5211b7fb472/library/std/src/thread/lifecycle.rs:70:13
[INFO] [stdout]   36:     0x5c23c2e9bcd2 - <core[5a1c3e9896636f3a]::panic::unwind_safe::AssertUnwindSafe<std[d054f6f42beb1baa]::thread::lifecycle::spawn_unchecked<test[fad20673b750c10e]::run_test::{closure#1}, ()>::{closure#1}::{closure#0}> as core[5a1c3e9896636f3a]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]                                at /rustc/28f95933dc0727396c07b48d0a8cb5211b7fb472/library/core/src/panic/unwind_safe.rs:275:9
[INFO] [stdout]   37:     0x5c23c2e9bcd2 - std[d054f6f42beb1baa]::panicking::catch_unwind::do_call::<core[5a1c3e9896636f3a]::panic::unwind_safe::AssertUnwindSafe<std[d054f6f42beb1baa]::thread::lifecycle::spawn_unchecked<test[fad20673b750c10e]::run_test::{closure#1}, ()>::{closure#1}::{closure#0}>, ()>
[INFO] [stdout]                                at /rustc/28f95933dc0727396c07b48d0a8cb5211b7fb472/library/std/src/panicking.rs:581:40
[INFO] [stdout]   38:     0x5c23c2e9bcd2 - std[d054f6f42beb1baa]::panicking::catch_unwind::<(), core[5a1c3e9896636f3a]::panic::unwind_safe::AssertUnwindSafe<std[d054f6f42beb1baa]::thread::lifecycle::spawn_unchecked<test[fad20673b750c10e]::run_test::{closure#1}, ()>::{closure#1}::{closure#0}>>
[INFO] [stdout]                                at /rustc/28f95933dc0727396c07b48d0a8cb5211b7fb472/library/std/src/panicking.rs:544:19
[INFO] [stdout]   39:     0x5c23c2e9bcd2 - std[d054f6f42beb1baa]::panic::catch_unwind::<core[5a1c3e9896636f3a]::panic::unwind_safe::AssertUnwindSafe<std[d054f6f42beb1baa]::thread::lifecycle::spawn_unchecked<test[fad20673b750c10e]::run_test::{closure#1}, ()>::{closure#1}::{closure#0}>, ()>
[INFO] [stdout]                                at /rustc/28f95933dc0727396c07b48d0a8cb5211b7fb472/library/std/src/panic.rs:359:14
[INFO] [stdout]   40:     0x5c23c2e9bcd2 - std[d054f6f42beb1baa]::thread::lifecycle::spawn_unchecked::<test[fad20673b750c10e]::run_test::{closure#1}, ()>::{closure#1}
[INFO] [stdout]                                at /rustc/28f95933dc0727396c07b48d0a8cb5211b7fb472/library/std/src/thread/lifecycle.rs:68:26
[INFO] [stdout]   41:     0x5c23c2e9bcd2 - <std[d054f6f42beb1baa]::thread::lifecycle::spawn_unchecked<test[fad20673b750c10e]::run_test::{closure#1}, ()>::{closure#1} as core[5a1c3e9896636f3a]::ops::function::FnOnce<()>>::call_once::{shim:vtable#0}
[INFO] [stdout]                                at /rustc/28f95933dc0727396c07b48d0a8cb5211b7fb472/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   42:     0x5c23c2fb450f - <alloc[154f689e5dd3bae5]::boxed::Box<dyn core[5a1c3e9896636f3a]::ops::function::FnOnce<(), Output = ()> + core[5a1c3e9896636f3a]::marker::Send> as core[5a1c3e9896636f3a]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]                                at /rustc/28f95933dc0727396c07b48d0a8cb5211b7fb472/library/alloc/src/boxed.rs:2277:9
[INFO] [stdout]   43:     0x5c23c2fb450f - <std[d054f6f42beb1baa]::sys::thread::unix::Thread>::new::thread_start
[INFO] [stdout]                                at /rustc/28f95933dc0727396c07b48d0a8cb5211b7fb472/library/std/src/sys/thread/unix.rs:118:17
[INFO] [stdout]   44:     0x7a8fbbc47aa4 - <unknown>
[INFO] [stdout]   45:     0x7a8fbbcd4a64 - clone
[INFO] [stdout]   46:                0x0 - <unknown>
[INFO] [stdout] 
[INFO] [stdout] ---- tests::process_backend_runs_optional_start_and_stop_hooks stdout ----
[INFO] [stdout] 
[INFO] [stdout] thread 'tests::process_backend_runs_optional_start_and_stop_hooks' (2169) panicked at src/lib.rs:1841:58:
[INFO] [stdout] start backend: CuError { message: "Failed to read Python task frame length", cause: Some("failed to fill whole buffer") }
[INFO] [stdout] stack backtrace:
[INFO] [stdout]    0:     0x5c23c2fb4db8 - std[d054f6f42beb1baa]::backtrace_rs::backtrace::libunwind::trace
[INFO] [stdout]                                at /rustc/28f95933dc0727396c07b48d0a8cb5211b7fb472/library/std/src/../../backtrace/src/backtrace/libunwind.rs:117:9
[INFO] [stdout]    1:     0x5c23c2fb4db8 - std[d054f6f42beb1baa]::backtrace_rs::backtrace::trace_unsynchronized::<std[d054f6f42beb1baa]::sys::backtrace::_print_fmt::{closure#1}>
[INFO] [stdout]                                at /rustc/28f95933dc0727396c07b48d0a8cb5211b7fb472/library/std/src/../../backtrace/src/backtrace/mod.rs:66:14
[INFO] [stdout]    2:     0x5c23c2fb4db8 - std[d054f6f42beb1baa]::sys::backtrace::_print_fmt
[INFO] [stdout]                                at /rustc/28f95933dc0727396c07b48d0a8cb5211b7fb472/library/std/src/sys/backtrace.rs:74:9
[INFO] [stdout]    3:     0x5c23c2fb4db8 - <<std[d054f6f42beb1baa]::sys::backtrace::BacktraceLock>::print::DisplayBacktrace as core[5a1c3e9896636f3a]::fmt::Display>::fmt
[INFO] [stdout]                                at /rustc/28f95933dc0727396c07b48d0a8cb5211b7fb472/library/std/src/sys/backtrace.rs:44:26
[INFO] [stdout]    4:     0x5c23c2fcaaba - <core[5a1c3e9896636f3a]::fmt::rt::Argument>::fmt
[INFO] [stdout]                                at /rustc/28f95933dc0727396c07b48d0a8cb5211b7fb472/library/core/src/fmt/rt.rs:152:76
[INFO] [stdout]    5:     0x5c23c2fcaaba - core[5a1c3e9896636f3a]::fmt::write
[INFO] [stdout]    6:     0x5c23c2fb99f2 - std[d054f6f42beb1baa]::io::default_write_fmt::<alloc[154f689e5dd3bae5]::vec::Vec<u8>>
[INFO] [stdout]                                at /rustc/28f95933dc0727396c07b48d0a8cb5211b7fb472/library/std/src/io/mod.rs:622:11
[INFO] [stdout]    7:     0x5c23c2fb99f2 - <alloc[154f689e5dd3bae5]::vec::Vec<u8> as std[d054f6f42beb1baa]::io::Write>::write_fmt
[INFO] [stdout]                                at /rustc/28f95933dc0727396c07b48d0a8cb5211b7fb472/library/std/src/io/mod.rs:1977:13
[INFO] [stdout]    8:     0x5c23c2f91e06 - <std[d054f6f42beb1baa]::sys::backtrace::BacktraceLock>::print
[INFO] [stdout]                                at /rustc/28f95933dc0727396c07b48d0a8cb5211b7fb472/library/std/src/sys/backtrace.rs:47:9
[INFO] [stdout]    9:     0x5c23c2f91e06 - std[d054f6f42beb1baa]::panicking::default_hook::{closure#0}
[INFO] [stdout]                                at /rustc/28f95933dc0727396c07b48d0a8cb5211b7fb472/library/std/src/panicking.rs:292:27
[INFO] [stdout]   10:     0x5c23c2fac7d9 - std[d054f6f42beb1baa]::panicking::default_hook
[INFO] [stdout]                                at /rustc/28f95933dc0727396c07b48d0a8cb5211b7fb472/library/std/src/panicking.rs:316:9
[INFO] [stdout]   11:     0x5c23c2e982fc - <alloc[154f689e5dd3bae5]::boxed::Box<dyn for<'a, 'b> core[5a1c3e9896636f3a]::ops::function::Fn<(&'a std[d054f6f42beb1baa]::panic::PanicHookInfo<'b>,), Output = ()> + core[5a1c3e9896636f3a]::marker::Send + core[5a1c3e9896636f3a]::marker::Sync> as core[5a1c3e9896636f3a]::ops::function::Fn<(&std[d054f6f42beb1baa]::panic::PanicHookInfo,)>>::call
[INFO] [stdout]                                at /rustc/28f95933dc0727396c07b48d0a8cb5211b7fb472/library/alloc/src/boxed.rs:2291:9
[INFO] [stdout]   12:     0x5c23c2e982fc - test[fad20673b750c10e]::test_main_inner::<test[fad20673b750c10e]::test_main_static::{closure#0}>::{closure#0}
[INFO] [stdout]                                at /rustc/28f95933dc0727396c07b48d0a8cb5211b7fb472/library/test/src/lib.rs:155:21
[INFO] [stdout]   13:     0x5c23c2faca52 - <alloc[154f689e5dd3bae5]::boxed::Box<dyn for<'a, 'b> core[5a1c3e9896636f3a]::ops::function::Fn<(&'a std[d054f6f42beb1baa]::panic::PanicHookInfo<'b>,), Output = ()> + core[5a1c3e9896636f3a]::marker::Send + core[5a1c3e9896636f3a]::marker::Sync> as core[5a1c3e9896636f3a]::ops::function::Fn<(&std[d054f6f42beb1baa]::panic::PanicHookInfo,)>>::call
[INFO] [stdout]                                at /rustc/28f95933dc0727396c07b48d0a8cb5211b7fb472/library/alloc/src/boxed.rs:2291:9
[INFO] [stdout]   14:     0x5c23c2faca52 - std[d054f6f42beb1baa]::panicking::panic_with_hook
[INFO] [stdout]                                at /rustc/28f95933dc0727396c07b48d0a8cb5211b7fb472/library/std/src/panicking.rs:833:13
[INFO] [stdout]   15:     0x5c23c2f91ec2 - std[d054f6f42beb1baa]::panicking::panic_handler::{closure#0}
[INFO] [stdout]                                at /rustc/28f95933dc0727396c07b48d0a8cb5211b7fb472/library/std/src/panicking.rs:698:13
[INFO] [stdout]   16:     0x5c23c2f896e9 - std[d054f6f42beb1baa]::sys::backtrace::__rust_end_short_backtrace::<std[d054f6f42beb1baa]::panicking::panic_handler::{closure#0}, !>
[INFO] [stdout]                                at /rustc/28f95933dc0727396c07b48d0a8cb5211b7fb472/library/std/src/sys/backtrace.rs:182:18
[INFO] [stdout]   17:     0x5c23c2f92bdd - __rustc[7ab284efd7f33ea8]::rust_begin_unwind
[INFO] [stdout]                                at /rustc/28f95933dc0727396c07b48d0a8cb5211b7fb472/library/std/src/panicking.rs:689:5
[INFO] [stdout]   18:     0x5c23c2fcb20c - core[5a1c3e9896636f3a]::panicking::panic_fmt
[INFO] [stdout]                                at /rustc/28f95933dc0727396c07b48d0a8cb5211b7fb472/library/core/src/panicking.rs:80:14
[INFO] [stdout]   19:     0x5c23c2fcaf82 - core[5a1c3e9896636f3a]::result::unwrap_failed
[INFO] [stdout]                                at /rustc/28f95933dc0727396c07b48d0a8cb5211b7fb472/library/core/src/result.rs:1872:5
[INFO] [stdout]   20:     0x5c23c2e236a4 - <core[5a1c3e9896636f3a]::result::Result<cu_python_task[c2769ced8b960df4]::ProcessBackend, cu29_traits[ed1cd34430cd79cc]::CuError>>::expect
[INFO] [stdout]                                at /rustc/28f95933dc0727396c07b48d0a8cb5211b7fb472/library/core/src/result.rs:1185:23
[INFO] [stdout]   21:     0x5c23c2e45757 - cu_python_task[c2769ced8b960df4]::tests::process_backend_runs_optional_start_and_stop_hooks
[INFO] [stdout]                                at /opt/rustwide/workdir/src/lib.rs:1841:58
[INFO] [stdout]   22:     0x5c23c2e42a67 - cu_python_task[c2769ced8b960df4]::tests::process_backend_runs_optional_start_and_stop_hooks::{closure#0}
[INFO] [stdout]                                at /opt/rustwide/workdir/src/lib.rs:1833:60
[INFO] [stdout]   23:     0x5c23c2e82346 - <cu_python_task[c2769ced8b960df4]::tests::process_backend_runs_optional_start_and_stop_hooks::{closure#0} as core[5a1c3e9896636f3a]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]                                at /rustc/28f95933dc0727396c07b48d0a8cb5211b7fb472/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   24:     0x5c23c2e8b3db - <fn() -> core[5a1c3e9896636f3a]::result::Result<(), alloc[154f689e5dd3bae5]::string::String> as core[5a1c3e9896636f3a]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]                                at /rustc/28f95933dc0727396c07b48d0a8cb5211b7fb472/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   25:     0x5c23c2e8b3db - test[fad20673b750c10e]::__rust_begin_short_backtrace::<core[5a1c3e9896636f3a]::result::Result<(), alloc[154f689e5dd3bae5]::string::String>, fn() -> core[5a1c3e9896636f3a]::result::Result<(), alloc[154f689e5dd3bae5]::string::String>>
[INFO] [stdout]                                at /rustc/28f95933dc0727396c07b48d0a8cb5211b7fb472/library/test/src/lib.rs:724:18
[INFO] [stdout]   26:     0x5c23c2e98c55 - test[fad20673b750c10e]::run_test_in_process::{closure#0}
[INFO] [stdout]                                at /rustc/28f95933dc0727396c07b48d0a8cb5211b7fb472/library/test/src/lib.rs:747:74
[INFO] [stdout]   27:     0x5c23c2e98c55 - <core[5a1c3e9896636f3a]::panic::unwind_safe::AssertUnwindSafe<test[fad20673b750c10e]::run_test_in_process::{closure#0}> as core[5a1c3e9896636f3a]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]                                at /rustc/28f95933dc0727396c07b48d0a8cb5211b7fb472/library/core/src/panic/unwind_safe.rs:275:9
[INFO] [stdout]   28:     0x5c23c2e98c55 - std[d054f6f42beb1baa]::panicking::catch_unwind::do_call::<core[5a1c3e9896636f3a]::panic::unwind_safe::AssertUnwindSafe<test[fad20673b750c10e]::run_test_in_process::{closure#0}>, core[5a1c3e9896636f3a]::result::Result<(), alloc[154f689e5dd3bae5]::string::String>>
[INFO] [stdout]                                at /rustc/28f95933dc0727396c07b48d0a8cb5211b7fb472/library/std/src/panicking.rs:581:40
[INFO] [stdout]   29:     0x5c23c2e98c55 - std[d054f6f42beb1baa]::panicking::catch_unwind::<core[5a1c3e9896636f3a]::result::Result<(), alloc[154f689e5dd3bae5]::string::String>, core[5a1c3e9896636f3a]::panic::unwind_safe::AssertUnwindSafe<test[fad20673b750c10e]::run_test_in_process::{closure#0}>>
[INFO] [stdout]                                at /rustc/28f95933dc0727396c07b48d0a8cb5211b7fb472/library/std/src/panicking.rs:544:19
[INFO] [stdout]   30:     0x5c23c2e98c55 - std[d054f6f42beb1baa]::panic::catch_unwind::<core[5a1c3e9896636f3a]::panic::unwind_safe::AssertUnwindSafe<test[fad20673b750c10e]::run_test_in_process::{closure#0}>, core[5a1c3e9896636f3a]::result::Result<(), alloc[154f689e5dd3bae5]::string::String>>
[INFO] [stdout]                                at /rustc/28f95933dc0727396c07b48d0a8cb5211b7fb472/library/std/src/panic.rs:359:14
[INFO] [stdout]   31:     0x5c23c2e98c55 - test[fad20673b750c10e]::run_test_in_process
[INFO] [stdout]                                at /rustc/28f95933dc0727396c07b48d0a8cb5211b7fb472/library/test/src/lib.rs:747:27
[INFO] [stdout]   32:     0x5c23c2e98c55 - test[fad20673b750c10e]::run_test::{closure#0}
[INFO] [stdout]                                at /rustc/28f95933dc0727396c07b48d0a8cb5211b7fb472/library/test/src/lib.rs:668:43
[INFO] [stdout]   33:     0x5c23c2e937b4 - test[fad20673b750c10e]::run_test::{closure#1}
[INFO] [stdout]                                at /rustc/28f95933dc0727396c07b48d0a8cb5211b7fb472/library/test/src/lib.rs:698:41
[INFO] [stdout]   34:     0x5c23c2e937b4 - std[d054f6f42beb1baa]::sys::backtrace::__rust_begin_short_backtrace::<test[fad20673b750c10e]::run_test::{closure#1}, ()>
[INFO] [stdout]                                at /rustc/28f95933dc0727396c07b48d0a8cb5211b7fb472/library/std/src/sys/backtrace.rs:166:18
[INFO] [stdout]   35:     0x5c23c2e9bcd2 - std[d054f6f42beb1baa]::thread::lifecycle::spawn_unchecked::<test[fad20673b750c10e]::run_test::{closure#1}, ()>::{closure#1}::{closure#0}
[INFO] [stdout]                                at /rustc/28f95933dc0727396c07b48d0a8cb5211b7fb472/library/std/src/thread/lifecycle.rs:70:13
[INFO] [stdout]   36:     0x5c23c2e9bcd2 - <core[5a1c3e9896636f3a]::panic::unwind_safe::AssertUnwindSafe<std[d054f6f42beb1baa]::thread::lifecycle::spawn_unchecked<test[fad20673b750c10e]::run_test::{closure#1}, ()>::{closure#1}::{closure#0}> as core[5a1c3e9896636f3a]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]                                at /rustc/28f95933dc0727396c07b48d0a8cb5211b7fb472/library/core/src/panic/unwind_safe.rs:275:9
[INFO] [stdout]   37:     0x5c23c2e9bcd2 - std[d054f6f42beb1baa]::panicking::catch_unwind::do_call::<core[5a1c3e9896636f3a]::panic::unwind_safe::AssertUnwindSafe<std[d054f6f42beb1baa]::thread::lifecycle::spawn_unchecked<test[fad20673b750c10e]::run_test::{closure#1}, ()>::{closure#1}::{closure#0}>, ()>
[INFO] [stdout]                                at /rustc/28f95933dc0727396c07b48d0a8cb5211b7fb472/library/std/src/panicking.rs:581:40
[INFO] [stdout]   38:     0x5c23c2e9bcd2 - std[d054f6f42beb1baa]::panicking::catch_unwind::<(), core[5a1c3e9896636f3a]::panic::unwind_safe::AssertUnwindSafe<std[d054f6f42beb1baa]::thread::lifecycle::spawn_unchecked<test[fad20673b750c10e]::run_test::{closure#1}, ()>::{closure#1}::{closure#0}>>
[INFO] [stdout]                                at /rustc/28f95933dc0727396c07b48d0a8cb5211b7fb472/library/std/src/panicking.rs:544:19
[INFO] [stdout]   39:     0x5c23c2e9bcd2 - std[d054f6f42beb1baa]::panic::catch_unwind::<core[5a1c3e9896636f3a]::panic::unwind_safe::AssertUnwindSafe<std[d054f6f42beb1baa]::thread::lifecycle::spawn_unchecked<test[fad20673b750c10e]::run_test::{closure#1}, ()>::{closure#1}::{closure#0}>, ()>
[INFO] [stdout]                                at /rustc/28f95933dc0727396c07b48d0a8cb5211b7fb472/library/std/src/panic.rs:359:14
[INFO] [stdout]   40:     0x5c23c2e9bcd2 - std[d054f6f42beb1baa]::thread::lifecycle::spawn_unchecked::<test[fad20673b750c10e]::run_test::{closure#1}, ()>::{closure#1}
[INFO] [stdout]                                at /rustc/28f95933dc0727396c07b48d0a8cb5211b7fb472/library/std/src/thread/lifecycle.rs:68:26
[INFO] [stdout]   41:     0x5c23c2e9bcd2 - <std[d054f6f42beb1baa]::thread::lifecycle::spawn_unchecked<test[fad20673b750c10e]::run_test::{closure#1}, ()>::{closure#1} as core[5a1c3e9896636f3a]::ops::function::FnOnce<()>>::call_once::{shim:vtable#0}
[INFO] [stdout]                                at /rustc/28f95933dc0727396c07b48d0a8cb5211b7fb472/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   42:     0x5c23c2fb450f - <alloc[154f689e5dd3bae5]::boxed::Box<dyn core[5a1c3e9896636f3a]::ops::function::FnOnce<(), Output = ()> + core[5a1c3e9896636f3a]::marker::Send> as core[5a1c3e9896636f3a]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]                                at /rustc/28f95933dc0727396c07b48d0a8cb5211b7fb472/library/alloc/src/boxed.rs:2277:9
[INFO] [stdout]   43:     0x5c23c2fb450f - <std[d054f6f42beb1baa]::sys::thread::unix::Thread>::new::thread_start
[INFO] [stdout]                                at /rustc/28f95933dc0727396c07b48d0a8cb5211b7fb472/library/std/src/sys/thread/unix.rs:118:17
[INFO] [stdout]   44:     0x7a8fbbc47aa4 - <unknown>
[INFO] [stdout]   45:     0x7a8fbbcd4a64 - clone
[INFO] [stdout]   46:                0x0 - <unknown>
[INFO] [stdout] 
[INFO] [stdout] ---- tests::process_backend_shared_handles_are_exposed_without_copying stdout ----
[INFO] [stdout] 
[INFO] [stdout] thread 'tests::process_backend_shared_handles_are_exposed_without_copying' (2171) panicked at src/lib.rs:1867:58:
[INFO] [stdout] start backend: CuError { message: "Failed to read Python task frame length", cause: Some("failed to fill whole buffer") }
[INFO] [stdout] stack backtrace:
[INFO] [stdout]    0:     0x5c23c2fb4db8 - std[d054f6f42beb1baa]::backtrace_rs::backtrace::libunwind::trace
[INFO] [stdout]                                at /rustc/28f95933dc0727396c07b48d0a8cb5211b7fb472/library/std/src/../../backtrace/src/backtrace/libunwind.rs:117:9
[INFO] [stdout]    1:     0x5c23c2fb4db8 - std[d054f6f42beb1baa]::backtrace_rs::backtrace::trace_unsynchronized::<std[d054f6f42beb1baa]::sys::backtrace::_print_fmt::{closure#1}>
[INFO] [stdout]                                at /rustc/28f95933dc0727396c07b48d0a8cb5211b7fb472/library/std/src/../../backtrace/src/backtrace/mod.rs:66:14
[INFO] [stdout]    2:     0x5c23c2fb4db8 - std[d054f6f42beb1baa]::sys::backtrace::_print_fmt
[INFO] [stdout]                                at /rustc/28f95933dc0727396c07b48d0a8cb5211b7fb472/library/std/src/sys/backtrace.rs:74:9
[INFO] [stdout]    3:     0x5c23c2fb4db8 - <<std[d054f6f42beb1baa]::sys::backtrace::BacktraceLock>::print::DisplayBacktrace as core[5a1c3e9896636f3a]::fmt::Display>::fmt
[INFO] [stdout]                                at /rustc/28f95933dc0727396c07b48d0a8cb5211b7fb472/library/std/src/sys/backtrace.rs:44:26
[INFO] [stdout]    4:     0x5c23c2fcaaba - <core[5a1c3e9896636f3a]::fmt::rt::Argument>::fmt
[INFO] [stdout]                                at /rustc/28f95933dc0727396c07b48d0a8cb5211b7fb472/library/core/src/fmt/rt.rs:152:76
[INFO] [stdout]    5:     0x5c23c2fcaaba - core[5a1c3e9896636f3a]::fmt::write
[INFO] [stdout]    6:     0x5c23c2fb99f2 - std[d054f6f42beb1baa]::io::default_write_fmt::<alloc[154f689e5dd3bae5]::vec::Vec<u8>>
[INFO] [stdout]                                at /rustc/28f95933dc0727396c07b48d0a8cb5211b7fb472/library/std/src/io/mod.rs:622:11
[INFO] [stdout]    7:     0x5c23c2fb99f2 - <alloc[154f689e5dd3bae5]::vec::Vec<u8> as std[d054f6f42beb1baa]::io::Write>::write_fmt
[INFO] [stdout]                                at /rustc/28f95933dc0727396c07b48d0a8cb5211b7fb472/library/std/src/io/mod.rs:1977:13
[INFO] [stdout]    8:     0x5c23c2f91e06 - <std[d054f6f42beb1baa]::sys::backtrace::BacktraceLock>::print
[INFO] [stdout]                                at /rustc/28f95933dc0727396c07b48d0a8cb5211b7fb472/library/std/src/sys/backtrace.rs:47:9
[INFO] [stdout]    9:     0x5c23c2f91e06 - std[d054f6f42beb1baa]::panicking::default_hook::{closure#0}
[INFO] [stdout]                                at /rustc/28f95933dc0727396c07b48d0a8cb5211b7fb472/library/std/src/panicking.rs:292:27
[INFO] [stdout]   10:     0x5c23c2fac7d9 - std[d054f6f42beb1baa]::panicking::default_hook
[INFO] [stdout]                                at /rustc/28f95933dc0727396c07b48d0a8cb5211b7fb472/library/std/src/panicking.rs:316:9
[INFO] [stdout]   11:     0x5c23c2e982fc - <alloc[154f689e5dd3bae5]::boxed::Box<dyn for<'a, 'b> core[5a1c3e9896636f3a]::ops::function::Fn<(&'a std[d054f6f42beb1baa]::panic::PanicHookInfo<'b>,), Output = ()> + core[5a1c3e9896636f3a]::marker::Send + core[5a1c3e9896636f3a]::marker::Sync> as core[5a1c3e9896636f3a]::ops::function::Fn<(&std[d054f6f42beb1baa]::panic::PanicHookInfo,)>>::call
[INFO] [stdout]                                at /rustc/28f95933dc0727396c07b48d0a8cb5211b7fb472/library/alloc/src/boxed.rs:2291:9
[INFO] [stdout]   12:     0x5c23c2e982fc - test[fad20673b750c10e]::test_main_inner::<test[fad20673b750c10e]::test_main_static::{closure#0}>::{closure#0}
[INFO] [stdout]                                at /rustc/28f95933dc0727396c07b48d0a8cb5211b7fb472/library/test/src/lib.rs:155:21
[INFO] [stdout]   13:     0x5c23c2faca52 - <alloc[154f689e5dd3bae5]::boxed::Box<dyn for<'a, 'b> core[5a1c3e9896636f3a]::ops::function::Fn<(&'a std[d054f6f42beb1baa]::panic::PanicHookInfo<'b>,), Output = ()> + core[5a1c3e9896636f3a]::marker::Send + core[5a1c3e9896636f3a]::marker::Sync> as core[5a1c3e9896636f3a]::ops::function::Fn<(&std[d054f6f42beb1baa]::panic::PanicHookInfo,)>>::call
[INFO] [stdout]                                at /rustc/28f95933dc0727396c07b48d0a8cb5211b7fb472/library/alloc/src/boxed.rs:2291:9
[INFO] [stdout]   14:     0x5c23c2faca52 - std[d054f6f42beb1baa]::panicking::panic_with_hook
[INFO] [stdout]                                at /rustc/28f95933dc0727396c07b48d0a8cb5211b7fb472/library/std/src/panicking.rs:833:13
[INFO] [stdout]   15:     0x5c23c2f91ec2 - std[d054f6f42beb1baa]::panicking::panic_handler::{closure#0}
[INFO] [stdout]                                at /rustc/28f95933dc0727396c07b48d0a8cb5211b7fb472/library/std/src/panicking.rs:698:13
[INFO] [stdout]   16:     0x5c23c2f896e9 - std[d054f6f42beb1baa]::sys::backtrace::__rust_end_short_backtrace::<std[d054f6f42beb1baa]::panicking::panic_handler::{closure#0}, !>
[INFO] [stdout]                                at /rustc/28f95933dc0727396c07b48d0a8cb5211b7fb472/library/std/src/sys/backtrace.rs:182:18
[INFO] [stdout]   17:     0x5c23c2f92bdd - __rustc[7ab284efd7f33ea8]::rust_begin_unwind
[INFO] [stdout]                                at /rustc/28f95933dc0727396c07b48d0a8cb5211b7fb472/library/std/src/panicking.rs:689:5
[INFO] [stdout]   18:     0x5c23c2fcb20c - core[5a1c3e9896636f3a]::panicking::panic_fmt
[INFO] [stdout]                                at /rustc/28f95933dc0727396c07b48d0a8cb5211b7fb472/library/core/src/panicking.rs:80:14
[INFO] [stdout]   19:     0x5c23c2fcaf82 - core[5a1c3e9896636f3a]::result::unwrap_failed
[INFO] [stdout]                                at /rustc/28f95933dc0727396c07b48d0a8cb5211b7fb472/library/core/src/result.rs:1872:5
[INFO] [stdout]   20:     0x5c23c2e236a4 - <core[5a1c3e9896636f3a]::result::Result<cu_python_task[c2769ced8b960df4]::ProcessBackend, cu29_traits[ed1cd34430cd79cc]::CuError>>::expect
[INFO] [stdout]                                at /rustc/28f95933dc0727396c07b48d0a8cb5211b7fb472/library/core/src/result.rs:1185:23
[INFO] [stdout]   21:     0x5c23c2e46498 - cu_python_task[c2769ced8b960df4]::tests::process_backend_shared_handles_are_exposed_without_copying
[INFO] [stdout]                                at /opt/rustwide/workdir/src/lib.rs:1867:58
[INFO] [stdout]   22:     0x5c23c2e42b27 - cu_python_task[c2769ced8b960df4]::tests::process_backend_shared_handles_are_exposed_without_copying::{closure#0}
[INFO] [stdout]                                at /opt/rustwide/workdir/src/lib.rs:1854:68
[INFO] [stdout]   23:     0x5c23c2e82446 - <cu_python_task[c2769ced8b960df4]::tests::process_backend_shared_handles_are_exposed_without_copying::{closure#0} as core[5a1c3e9896636f3a]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]                                at /rustc/28f95933dc0727396c07b48d0a8cb5211b7fb472/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   24:     0x5c23c2e8b3db - <fn() -> core[5a1c3e9896636f3a]::result::Result<(), alloc[154f689e5dd3bae5]::string::String> as core[5a1c3e9896636f3a]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]                                at /rustc/28f95933dc0727396c07b48d0a8cb5211b7fb472/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   25:     0x5c23c2e8b3db - test[fad20673b750c10e]::__rust_begin_short_backtrace::<core[5a1c3e9896636f3a]::result::Result<(), alloc[154f689e5dd3bae5]::string::String>, fn() -> core[5a1c3e9896636f3a]::result::Result<(), alloc[154f689e5dd3bae5]::string::String>>
[INFO] [stdout]                                at /rustc/28f95933dc0727396c07b48d0a8cb5211b7fb472/library/test/src/lib.rs:724:18
[INFO] [stdout]   26:     0x5c23c2e98c55 - test[fad20673b750c10e]::run_test_in_process::{closure#0}
[INFO] [stdout]                                at /rustc/28f95933dc0727396c07b48d0a8cb5211b7fb472/library/test/src/lib.rs:747:74
[INFO] [stdout]   27:     0x5c23c2e98c55 - <core[5a1c3e9896636f3a]::panic::unwind_safe::AssertUnwindSafe<test[fad20673b750c10e]::run_test_in_process::{closure#0}> as core[5a1c3e9896636f3a]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]                                at /rustc/28f95933dc0727396c07b48d0a8cb5211b7fb472/library/core/src/panic/unwind_safe.rs:275:9
[INFO] [stdout]   28:     0x5c23c2e98c55 - std[d054f6f42beb1baa]::panicking::catch_unwind::do_call::<core[5a1c3e9896636f3a]::panic::unwind_safe::AssertUnwindSafe<test[fad20673b750c10e]::run_test_in_process::{closure#0}>, core[5a1c3e9896636f3a]::result::Result<(), alloc[154f689e5dd3bae5]::string::String>>
[INFO] [stdout]                                at /rustc/28f95933dc0727396c07b48d0a8cb5211b7fb472/library/std/src/panicking.rs:581:40
[INFO] [stdout]   29:     0x5c23c2e98c55 - std[d054f6f42beb1baa]::panicking::catch_unwind::<core[5a1c3e9896636f3a]::result::Result<(), alloc[154f689e5dd3bae5]::string::String>, core[5a1c3e9896636f3a]::panic::unwind_safe::AssertUnwindSafe<test[fad20673b750c10e]::run_test_in_process::{closure#0}>>
[INFO] [stdout]                                at /rustc/28f95933dc0727396c07b48d0a8cb5211b7fb472/library/std/src/panicking.rs:544:19
[INFO] [stdout]   30:     0x5c23c2e98c55 - std[d054f6f42beb1baa]::panic::catch_unwind::<core[5a1c3e9896636f3a]::panic::unwind_safe::AssertUnwindSafe<test[fad20673b750c10e]::run_test_in_process::{closure#0}>, core[5a1c3e9896636f3a]::result::Result<(), alloc[154f689e5dd3bae5]::string::String>>
[INFO] [stdout]                                at /rustc/28f95933dc0727396c07b48d0a8cb5211b7fb472/library/std/src/panic.rs:359:14
[INFO] [stdout]   31:     0x5c23c2e98c55 - test[fad20673b750c10e]::run_test_in_process
[INFO] [stdout]                                at /rustc/28f95933dc0727396c07b48d0a8cb5211b7fb472/library/test/src/lib.rs:747:27
[INFO] [stdout]   32:     0x5c23c2e98c55 - test[fad20673b750c10e]::run_test::{closure#0}
[INFO] [stdout]                                at /rustc/28f95933dc0727396c07b48d0a8cb5211b7fb472/library/test/src/lib.rs:668:43
[INFO] [stdout]   33:     0x5c23c2e937b4 - test[fad20673b750c10e]::run_test::{closure#1}
[INFO] [stdout]                                at /rustc/28f95933dc0727396c07b48d0a8cb5211b7fb472/library/test/src/lib.rs:698:41
[INFO] [stdout]   34:     0x5c23c2e937b4 - std[d054f6f42beb1baa]::sys::backtrace::__rust_begin_short_backtrace::<test[fad20673b750c10e]::run_test::{closure#1}, ()>
[INFO] [stdout]                                at /rustc/28f95933dc0727396c07b48d0a8cb5211b7fb472/library/std/src/sys/backtrace.rs:166:18
[INFO] [stdout]   35:     0x5c23c2e9bcd2 - std[d054f6f42beb1baa]::thread::lifecycle::spawn_unchecked::<test[fad20673b750c10e]::run_test::{closure#1}, ()>::{closure#1}::{closure#0}
[INFO] [stdout]                                at /rustc/28f95933dc0727396c07b48d0a8cb5211b7fb472/library/std/src/thread/lifecycle.rs:70:13
[INFO] [stdout]   36:     0x5c23c2e9bcd2 - <core[5a1c3e9896636f3a]::panic::unwind_safe::AssertUnwindSafe<std[d054f6f42beb1baa]::thread::lifecycle::spawn_unchecked<test[fad20673b750c10e]::run_test::{closure#1}, ()>::{closure#1}::{closure#0}> as core[5a1c3e9896636f3a]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]                                at /rustc/28f95933dc0727396c07b48d0a8cb5211b7fb472/library/core/src/panic/unwind_safe.rs:275:9
[INFO] [stdout]   37:     0x5c23c2e9bcd2 - std[d054f6f42beb1baa]::panicking::catch_unwind::do_call::<core[5a1c3e9896636f3a]::panic::unwind_safe::AssertUnwindSafe<std[d054f6f42beb1baa]::thread::lifecycle::spawn_unchecked<test[fad20673b750c10e]::run_test::{closure#1}, ()>::{closure#1}::{closure#0}>, ()>
[INFO] [stdout]                                at /rustc/28f95933dc0727396c07b48d0a8cb5211b7fb472/library/std/src/panicking.rs:581:40
[INFO] [stdout]   38:     0x5c23c2e9bcd2 - std[d054f6f42beb1baa]::panicking::catch_unwind::<(), core[5a1c3e9896636f3a]::panic::unwind_safe::AssertUnwindSafe<std[d054f6f42beb1baa]::thread::lifecycle::spawn_unchecked<test[fad20673b750c10e]::run_test::{closure#1}, ()>::{closure#1}::{closure#0}>>
[INFO] [stdout]                                at /rustc/28f95933dc0727396c07b48d0a8cb5211b7fb472/library/std/src/panicking.rs:544:19
[INFO] [stdout]   39:     0x5c23c2e9bcd2 - std[d054f6f42beb1baa]::panic::catch_unwind::<core[5a1c3e9896636f3a]::panic::unwind_safe::AssertUnwindSafe<std[d054f6f42beb1baa]::thread::lifecycle::spawn_unchecked<test[fad20673b750c10e]::run_test::{closure#1}, ()>::{closure#1}::{closure#0}>, ()>
[INFO] [stdout]                                at /rustc/28f95933dc0727396c07b48d0a8cb5211b7fb472/library/std/src/panic.rs:359:14
[INFO] [stdout]   40:     0x5c23c2e9bcd2 - std[d054f6f42beb1baa]::thread::lifecycle::spawn_unchecked::<test[fad20673b750c10e]::run_test::{closure#1}, ()>::{closure#1}
[INFO] [stdout]                                at /rustc/28f95933dc0727396c07b48d0a8cb5211b7fb472/library/std/src/thread/lifecycle.rs:68:26
[INFO] [stdout]   41:     0x5c23c2e9bcd2 - <std[d054f6f42beb1baa]::thread::lifecycle::spawn_unchecked<test[fad20673b750c10e]::run_test::{closure#1}, ()>::{closure#1} as core[5a1c3e9896636f3a]::ops::function::FnOnce<()>>::call_once::{shim:vtable#0}
[INFO] [stdout]                                at /rustc/28f95933dc0727396c07b48d0a8cb5211b7fb472/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   42:     0x5c23c2fb450f - <alloc[154f689e5dd3bae5]::boxed::Box<dyn core[5a1c3e9896636f3a]::ops::function::FnOnce<(), Output = ()> + core[5a1c3e9896636f3a]::marker::Send> as core[5a1c3e9896636f3a]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]                                at /rustc/28f95933dc0727396c07b48d0a8cb5211b7fb472/library/alloc/src/boxed.rs:2277:9
[INFO] [stdout]   43:     0x5c23c2fb450f - <std[d054f6f42beb1baa]::sys::thread::unix::Thread>::new::thread_start
[INFO] [stdout]                                at /rustc/28f95933dc0727396c07b48d0a8cb5211b7fb472/library/std/src/sys/thread/unix.rs:118:17
[INFO] [stdout]   44:     0x7a8fbbc47aa4 - <unknown>
[INFO] [stdout]   45:     0x7a8fbbcd4a64 - clone
[INFO] [stdout]   46:                0x0 - <unknown>
[INFO] [stdout] 
[INFO] [stdout] ---- tests::process_backend_receives_ctx_snapshot stdout ----
[INFO] [stdout] 
[INFO] [stdout] thread 'tests::process_backend_receives_ctx_snapshot' (2167) panicked at src/lib.rs:1792:58:
[INFO] [stdout] start backend: CuError { message: "Python task process exited during startup with status exit status: 1", cause: None }
[INFO] [stdout] stack backtrace:
[INFO] [stdout]    0:     0x5c23c2fb4db8 - std[d054f6f42beb1baa]::backtrace_rs::backtrace::libunwind::trace
[INFO] [stdout]                                at /rustc/28f95933dc0727396c07b48d0a8cb5211b7fb472/library/std/src/../../backtrace/src/backtrace/libunwind.rs:117:9
[INFO] [stdout]    1:     0x5c23c2fb4db8 - std[d054f6f42beb1baa]::backtrace_rs::backtrace::trace_unsynchronized::<std[d054f6f42beb1baa]::sys::backtrace::_print_fmt::{closure#1}>
[INFO] [stderr] error: test failed, to rerun pass `--lib`
[INFO] [stdout]                                at /rustc/28f95933dc0727396c07b48d0a8cb5211b7fb472/library/std/src/../../backtrace/src/backtrace/mod.rs:66:14
[INFO] [stdout]    2:     0x5c23c2fb4db8 - std[d054f6f42beb1baa]::sys::backtrace::_print_fmt
[INFO] [stdout]                                at /rustc/28f95933dc0727396c07b48d0a8cb5211b7fb472/library/std/src/sys/backtrace.rs:74:9
[INFO] [stdout]    3:     0x5c23c2fb4db8 - <<std[d054f6f42beb1baa]::sys::backtrace::BacktraceLock>::print::DisplayBacktrace as core[5a1c3e9896636f3a]::fmt::Display>::fmt
[INFO] [stdout]                                at /rustc/28f95933dc0727396c07b48d0a8cb5211b7fb472/library/std/src/sys/backtrace.rs:44:26
[INFO] [stdout]    4:     0x5c23c2fcaaba - <core[5a1c3e9896636f3a]::fmt::rt::Argument>::fmt
[INFO] [stdout]                                at /rustc/28f95933dc0727396c07b48d0a8cb5211b7fb472/library/core/src/fmt/rt.rs:152:76
[INFO] [stdout]    5:     0x5c23c2fcaaba - core[5a1c3e9896636f3a]::fmt::write
[INFO] [stdout]    6:     0x5c23c2fb99f2 - std[d054f6f42beb1baa]::io::default_write_fmt::<alloc[154f689e5dd3bae5]::vec::Vec<u8>>
[INFO] [stdout]                                at /rustc/28f95933dc0727396c07b48d0a8cb5211b7fb472/library/std/src/io/mod.rs:622:11
[INFO] [stdout]    7:     0x5c23c2fb99f2 - <alloc[154f689e5dd3bae5]::vec::Vec<u8> as std[d054f6f42beb1baa]::io::Write>::write_fmt
[INFO] [stdout]                                at /rustc/28f95933dc0727396c07b48d0a8cb5211b7fb472/library/std/src/io/mod.rs:1977:13
[INFO] [stdout]    8:     0x5c23c2f91e06 - <std[d054f6f42beb1baa]::sys::backtrace::BacktraceLock>::print
[INFO] [stdout]                                at /rustc/28f95933dc0727396c07b48d0a8cb5211b7fb472/library/std/src/sys/backtrace.rs:47:9
[INFO] [stdout]    9:     0x5c23c2f91e06 - std[d054f6f42beb1baa]::panicking::default_hook::{closure#0}
[INFO] [stdout]                                at /rustc/28f95933dc0727396c07b48d0a8cb5211b7fb472/library/std/src/panicking.rs:292:27
[INFO] [stdout]   10:     0x5c23c2fac7d9 - std[d054f6f42beb1baa]::panicking::default_hook
[INFO] [stdout]                                at /rustc/28f95933dc0727396c07b48d0a8cb5211b7fb472/library/std/src/panicking.rs:316:9
[INFO] [stdout]   11:     0x5c23c2e982fc - <alloc[154f689e5dd3bae5]::boxed::Box<dyn for<'a, 'b> core[5a1c3e9896636f3a]::ops::function::Fn<(&'a std[d054f6f42beb1baa]::panic::PanicHookInfo<'b>,), Output = ()> + core[5a1c3e9896636f3a]::marker::Send + core[5a1c3e9896636f3a]::marker::Sync> as core[5a1c3e9896636f3a]::ops::function::Fn<(&std[d054f6f42beb1baa]::panic::PanicHookInfo,)>>::call
[INFO] [stdout]                                at /rustc/28f95933dc0727396c07b48d0a8cb5211b7fb472/library/alloc/src/boxed.rs:2291:9
[INFO] [stdout]   12:     0x5c23c2e982fc - test[fad20673b750c10e]::test_main_inner::<test[fad20673b750c10e]::test_main_static::{closure#0}>::{closure#0}
[INFO] [stdout]                                at /rustc/28f95933dc0727396c07b48d0a8cb5211b7fb472/library/test/src/lib.rs:155:21
[INFO] [stdout]   13:     0x5c23c2faca52 - <alloc[154f689e5dd3bae5]::boxed::Box<dyn for<'a, 'b> core[5a1c3e9896636f3a]::ops::function::Fn<(&'a std[d054f6f42beb1baa]::panic::PanicHookInfo<'b>,), Output = ()> + core[5a1c3e9896636f3a]::marker::Send + core[5a1c3e9896636f3a]::marker::Sync> as core[5a1c3e9896636f3a]::ops::function::Fn<(&std[d054f6f42beb1baa]::panic::PanicHookInfo,)>>::call
[INFO] [stdout]                                at /rustc/28f95933dc0727396c07b48d0a8cb5211b7fb472/library/alloc/src/boxed.rs:2291:9
[INFO] [stdout]   14:     0x5c23c2faca52 - std[d054f6f42beb1baa]::panicking::panic_with_hook
[INFO] [stdout]                                at /rustc/28f95933dc0727396c07b48d0a8cb5211b7fb472/library/std/src/panicking.rs:833:13
[INFO] [stdout]   15:     0x5c23c2f91ec2 - std[d054f6f42beb1baa]::panicking::panic_handler::{closure#0}
[INFO] [stdout]                                at /rustc/28f95933dc0727396c07b48d0a8cb5211b7fb472/library/std/src/panicking.rs:698:13
[INFO] [stdout]   16:     0x5c23c2f896e9 - std[d054f6f42beb1baa]::sys::backtrace::__rust_end_short_backtrace::<std[d054f6f42beb1baa]::panicking::panic_handler::{closure#0}, !>
[INFO] [stdout]                                at /rustc/28f95933dc0727396c07b48d0a8cb5211b7fb472/library/std/src/sys/backtrace.rs:182:18
[INFO] [stdout]   17:     0x5c23c2f92bdd - __rustc[7ab284efd7f33ea8]::rust_begin_unwind
[INFO] [stdout]                                at /rustc/28f95933dc0727396c07b48d0a8cb5211b7fb472/library/std/src/panicking.rs:689:5
[INFO] [stdout]   18:     0x5c23c2fcb20c - core[5a1c3e9896636f3a]::panicking::panic_fmt
[INFO] [stdout]                                at /rustc/28f95933dc0727396c07b48d0a8cb5211b7fb472/library/core/src/panicking.rs:80:14
[INFO] [stdout]   19:     0x5c23c2fcaf82 - core[5a1c3e9896636f3a]::result::unwrap_failed
[INFO] [stdout]                                at /rustc/28f95933dc0727396c07b48d0a8cb5211b7fb472/library/core/src/result.rs:1872:5
[INFO] [stdout]   20:     0x5c23c2e236a4 - <core[5a1c3e9896636f3a]::result::Result<cu_python_task[c2769ced8b960df4]::ProcessBackend, cu29_traits[ed1cd34430cd79cc]::CuError>>::expect
[INFO] [stdout]                                at /rustc/28f95933dc0727396c07b48d0a8cb5211b7fb472/library/core/src/result.rs:1185:23
[INFO] [stdout]   21:     0x5c23c2e43d7f - cu_python_task[c2769ced8b960df4]::tests::process_backend_receives_ctx_snapshot
[INFO] [stdout]                                at /opt/rustwide/workdir/src/lib.rs:1792:58
[INFO] [stdout]   22:     0x5c23c2e42947 - cu_python_task[c2769ced8b960df4]::tests::process_backend_receives_ctx_snapshot::{closure#0}
[INFO] [stdout]                                at /opt/rustwide/workdir/src/lib.rs:1786:47
[INFO] [stdout]   23:     0x5c23c2e821c6 - <cu_python_task[c2769ced8b960df4]::tests::process_backend_receives_ctx_snapshot::{closure#0} as core[5a1c3e9896636f3a]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]                                at /rustc/28f95933dc0727396c07b48d0a8cb5211b7fb472/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   24:     0x5c23c2e8b3db - <fn() -> core[5a1c3e9896636f3a]::result::Result<(), alloc[154f689e5dd3bae5]::string::String> as core[5a1c3e9896636f3a]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]                                at /rustc/28f95933dc0727396c07b48d0a8cb5211b7fb472/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   25:     0x5c23c2e8b3db - test[fad20673b750c10e]::__rust_begin_short_backtrace::<core[5a1c3e9896636f3a]::result::Result<(), alloc[154f689e5dd3bae5]::string::String>, fn() -> core[5a1c3e9896636f3a]::result::Result<(), alloc[154f689e5dd3bae5]::string::String>>
[INFO] [stdout]                                at /rustc/28f95933dc0727396c07b48d0a8cb5211b7fb472/library/test/src/lib.rs:724:18
[INFO] [stdout]   26:     0x5c23c2e98c55 - test[fad20673b750c10e]::run_test_in_process::{closure#0}
[INFO] [stdout]                                at /rustc/28f95933dc0727396c07b48d0a8cb5211b7fb472/library/test/src/lib.rs:747:74
[INFO] [stdout]   27:     0x5c23c2e98c55 - <core[5a1c3e9896636f3a]::panic::unwind_safe::AssertUnwindSafe<test[fad20673b750c10e]::run_test_in_process::{closure#0}> as core[5a1c3e9896636f3a]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]                                at /rustc/28f95933dc0727396c07b48d0a8cb5211b7fb472/library/core/src/panic/unwind_safe.rs:275:9
[INFO] [stdout]   28:     0x5c23c2e98c55 - std[d054f6f42beb1baa]::panicking::catch_unwind::do_call::<core[5a1c3e9896636f3a]::panic::unwind_safe::AssertUnwindSafe<test[fad20673b750c10e]::run_test_in_process::{closure#0}>, core[5a1c3e9896636f3a]::result::Result<(), alloc[154f689e5dd3bae5]::string::String>>
[INFO] [stdout]                                at /rustc/28f95933dc0727396c07b48d0a8cb5211b7fb472/library/std/src/panicking.rs:581:40
[INFO] [stdout]   29:     0x5c23c2e98c55 - std[d054f6f42beb1baa]::panicking::catch_unwind::<core[5a1c3e9896636f3a]::result::Result<(), alloc[154f689e5dd3bae5]::string::String>, core[5a1c3e9896636f3a]::panic::unwind_safe::AssertUnwindSafe<test[fad20673b750c10e]::run_test_in_process::{closure#0}>>
[INFO] [stdout]                                at /rustc/28f95933dc0727396c07b48d0a8cb5211b7fb472/library/std/src/panicking.rs:544:19
[INFO] [stdout]   30:     0x5c23c2e98c55 - std[d054f6f42beb1baa]::panic::catch_unwind::<core[5a1c3e9896636f3a]::panic::unwind_safe::AssertUnwindSafe<test[fad20673b750c10e]::run_test_in_process::{closure#0}>, core[5a1c3e9896636f3a]::result::Result<(), alloc[154f689e5dd3bae5]::string::String>>
[INFO] [stdout]                                at /rustc/28f95933dc0727396c07b48d0a8cb5211b7fb472/library/std/src/panic.rs:359:14
[INFO] [stdout]   31:     0x5c23c2e98c55 - test[fad20673b750c10e]::run_test_in_process
[INFO] [stdout]                                at /rustc/28f95933dc0727396c07b48d0a8cb5211b7fb472/library/test/src/lib.rs:747:27
[INFO] [stdout]   32:     0x5c23c2e98c55 - test[fad20673b750c10e]::run_test::{closure#0}
[INFO] [stdout]                                at /rustc/28f95933dc0727396c07b48d0a8cb5211b7fb472/library/test/src/lib.rs:668:43
[INFO] [stdout]   33:     0x5c23c2e937b4 - test[fad20673b750c10e]::run_test::{closure#1}
[INFO] [stdout]                                at /rustc/28f95933dc0727396c07b48d0a8cb5211b7fb472/library/test/src/lib.rs:698:41
[INFO] [stdout]   34:     0x5c23c2e937b4 - std[d054f6f42beb1baa]::sys::backtrace::__rust_begin_short_backtrace::<test[fad20673b750c10e]::run_test::{closure#1}, ()>
[INFO] [stdout]                                at /rustc/28f95933dc0727396c07b48d0a8cb5211b7fb472/library/std/src/sys/backtrace.rs:166:18
[INFO] [stdout]   35:     0x5c23c2e9bcd2 - std[d054f6f42beb1baa]::thread::lifecycle::spawn_unchecked::<test[fad20673b750c10e]::run_test::{closure#1}, ()>::{closure#1}::{closure#0}
[INFO] [stdout]                                at /rustc/28f95933dc0727396c07b48d0a8cb5211b7fb472/library/std/src/thread/lifecycle.rs:70:13
[INFO] [stdout]   36:     0x5c23c2e9bcd2 - <core[5a1c3e9896636f3a]::panic::unwind_safe::AssertUnwindSafe<std[d054f6f42beb1baa]::thread::lifecycle::spawn_unchecked<test[fad20673b750c10e]::run_test::{closure#1}, ()>::{closure#1}::{closure#0}> as core[5a1c3e9896636f3a]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]                                at /rustc/28f95933dc0727396c07b48d0a8cb5211b7fb472/library/core/src/panic/unwind_safe.rs:275:9
[INFO] [stdout]   37:     0x5c23c2e9bcd2 - std[d054f6f42beb1baa]::panicking::catch_unwind::do_call::<core[5a1c3e9896636f3a]::panic::unwind_safe::AssertUnwindSafe<std[d054f6f42beb1baa]::thread::lifecycle::spawn_unchecked<test[fad20673b750c10e]::run_test::{closure#1}, ()>::{closure#1}::{closure#0}>, ()>
[INFO] [stdout]                                at /rustc/28f95933dc0727396c07b48d0a8cb5211b7fb472/library/std/src/panicking.rs:581:40
[INFO] [stdout]   38:     0x5c23c2e9bcd2 - std[d054f6f42beb1baa]::panicking::catch_unwind::<(), core[5a1c3e9896636f3a]::panic::unwind_safe::AssertUnwindSafe<std[d054f6f42beb1baa]::thread::lifecycle::spawn_unchecked<test[fad20673b750c10e]::run_test::{closure#1}, ()>::{closure#1}::{closure#0}>>
[INFO] [stdout]                                at /rustc/28f95933dc0727396c07b48d0a8cb5211b7fb472/library/std/src/panicking.rs:544:19
[INFO] [stdout]   39:     0x5c23c2e9bcd2 - std[d054f6f42beb1baa]::panic::catch_unwind::<core[5a1c3e9896636f3a]::panic::unwind_safe::AssertUnwindSafe<std[d054f6f42beb1baa]::thread::lifecycle::spawn_unchecked<test[fad20673b750c10e]::run_test::{closure#1}, ()>::{closure#1}::{closure#0}>, ()>
[INFO] [stdout]                                at /rustc/28f95933dc0727396c07b48d0a8cb5211b7fb472/library/std/src/panic.rs:359:14
[INFO] [stdout]   40:     0x5c23c2e9bcd2 - std[d054f6f42beb1baa]::thread::lifecycle::spawn_unchecked::<test[fad20673b750c10e]::run_test::{closure#1}, ()>::{closure#1}
[INFO] [stdout]                                at /rustc/28f95933dc0727396c07b48d0a8cb5211b7fb472/library/std/src/thread/lifecycle.rs:68:26
[INFO] [stdout]   41:     0x5c23c2e9bcd2 - <std[d054f6f42beb1baa]::thread::lifecycle::spawn_unchecked<test[fad20673b750c10e]::run_test::{closure#1}, ()>::{closure#1} as core[5a1c3e9896636f3a]::ops::function::FnOnce<()>>::call_once::{shim:vtable#0}
[INFO] [stdout]                                at /rustc/28f95933dc0727396c07b48d0a8cb5211b7fb472/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   42:     0x5c23c2fb450f - <alloc[154f689e5dd3bae5]::boxed::Box<dyn core[5a1c3e9896636f3a]::ops::function::FnOnce<(), Output = ()> + core[5a1c3e9896636f3a]::marker::Send> as core[5a1c3e9896636f3a]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]                                at /rustc/28f95933dc0727396c07b48d0a8cb5211b7fb472/library/alloc/src/boxed.rs:2277:9
[INFO] [stdout]   43:     0x5c23c2fb450f - <std[d054f6f42beb1baa]::sys::thread::unix::Thread>::new::thread_start
[INFO] [stdout]                                at /rustc/28f95933dc0727396c07b48d0a8cb5211b7fb472/library/std/src/sys/thread/unix.rs:118:17
[INFO] [stdout]   44:     0x7a8fbbc47aa4 - <unknown>
[INFO] [stdout]   45:     0x7a8fbbcd4a64 - clone
[INFO] [stdout]   46:                0x0 - <unknown>
[INFO] [stdout] 
[INFO] [stdout] ---- tests::process_backend_supports_attribute_writes_on_absent_output_payload stdout ----
[INFO] [stdout] 
[INFO] [stdout] thread 'tests::process_backend_supports_attribute_writes_on_absent_output_payload' (2173) panicked at src/lib.rs:1734:58:
[INFO] [stdout] start backend: CuError { message: "Python task process exited during startup with status exit status: 1", cause: None }
[INFO] [stdout] stack backtrace:
[INFO] [stdout]    0:     0x5c23c2fb4db8 - std[d054f6f42beb1baa]::backtrace_rs::backtrace::libunwind::trace
[INFO] [stdout]                                at /rustc/28f95933dc0727396c07b48d0a8cb5211b7fb472/library/std/src/../../backtrace/src/backtrace/libunwind.rs:117:9
[INFO] [stdout]    1:     0x5c23c2fb4db8 - std[d054f6f42beb1baa]::backtrace_rs::backtrace::trace_unsynchronized::<std[d054f6f42beb1baa]::sys::backtrace::_print_fmt::{closure#1}>
[INFO] [stdout]                                at /rustc/28f95933dc0727396c07b48d0a8cb5211b7fb472/library/std/src/../../backtrace/src/backtrace/mod.rs:66:14
[INFO] [stdout]    2:     0x5c23c2fb4db8 - std[d054f6f42beb1baa]::sys::backtrace::_print_fmt
[INFO] [stdout]                                at /rustc/28f95933dc0727396c07b48d0a8cb5211b7fb472/library/std/src/sys/backtrace.rs:74:9
[INFO] [stdout]    3:     0x5c23c2fb4db8 - <<std[d054f6f42beb1baa]::sys::backtrace::BacktraceLock>::print::DisplayBacktrace as core[5a1c3e9896636f3a]::fmt::Display>::fmt
[INFO] [stdout]                                at /rustc/28f95933dc0727396c07b48d0a8cb5211b7fb472/library/std/src/sys/backtrace.rs:44:26
[INFO] [stdout]    4:     0x5c23c2fcaaba - <core[5a1c3e9896636f3a]::fmt::rt::Argument>::fmt
[INFO] [stdout]                                at /rustc/28f95933dc0727396c07b48d0a8cb5211b7fb472/library/core/src/fmt/rt.rs:152:76
[INFO] [stdout]    5:     0x5c23c2fcaaba - core[5a1c3e9896636f3a]::fmt::write
[INFO] [stdout]    6:     0x5c23c2fb99f2 - std[d054f6f42beb1baa]::io::default_write_fmt::<alloc[154f689e5dd3bae5]::vec::Vec<u8>>
[INFO] [stdout]                                at /rustc/28f95933dc0727396c07b48d0a8cb5211b7fb472/library/std/src/io/mod.rs:622:11
[INFO] [stdout]    7:     0x5c23c2fb99f2 - <alloc[154f689e5dd3bae5]::vec::Vec<u8> as std[d054f6f42beb1baa]::io::Write>::write_fmt
[INFO] [stdout]                                at /rustc/28f95933dc0727396c07b48d0a8cb5211b7fb472/library/std/src/io/mod.rs:1977:13
[INFO] [stdout]    8:     0x5c23c2f91e06 - <std[d054f6f42beb1baa]::sys::backtrace::BacktraceLock>::print
[INFO] [stdout]                                at /rustc/28f95933dc0727396c07b48d0a8cb5211b7fb472/library/std/src/sys/backtrace.rs:47:9
[INFO] [stdout]    9:     0x5c23c2f91e06 - std[d054f6f42beb1baa]::panicking::default_hook::{closure#0}
[INFO] [stdout]                                at /rustc/28f95933dc0727396c07b48d0a8cb5211b7fb472/library/std/src/panicking.rs:292:27
[INFO] [stdout]   10:     0x5c23c2fac7d9 - std[d054f6f42beb1baa]::panicking::default_hook
[INFO] [stdout]                                at /rustc/28f95933dc0727396c07b48d0a8cb5211b7fb472/library/std/src/panicking.rs:316:9
[INFO] [stdout]   11:     0x5c23c2e982fc - <alloc[154f689e5dd3bae5]::boxed::Box<dyn for<'a, 'b> core[5a1c3e9896636f3a]::ops::function::Fn<(&'a std[d054f6f42beb1baa]::panic::PanicHookInfo<'b>,), Output = ()> + core[5a1c3e9896636f3a]::marker::Send + core[5a1c3e9896636f3a]::marker::Sync> as core[5a1c3e9896636f3a]::ops::function::Fn<(&std[d054f6f42beb1baa]::panic::PanicHookInfo,)>>::call
[INFO] [stdout]                                at /rustc/28f95933dc0727396c07b48d0a8cb5211b7fb472/library/alloc/src/boxed.rs:2291:9
[INFO] [stdout]   12:     0x5c23c2e982fc - test[fad20673b750c10e]::test_main_inner::<test[fad20673b750c10e]::test_main_static::{closure#0}>::{closure#0}
[INFO] [stdout]                                at /rustc/28f95933dc0727396c07b48d0a8cb5211b7fb472/library/test/src/lib.rs:155:21
[INFO] [stdout]   13:     0x5c23c2faca52 - <alloc[154f689e5dd3bae5]::boxed::Box<dyn for<'a, 'b> core[5a1c3e9896636f3a]::ops::function::Fn<(&'a std[d054f6f42beb1baa]::panic::PanicHookInfo<'b>,), Output = ()> + core[5a1c3e9896636f3a]::marker::Send + core[5a1c3e9896636f3a]::marker::Sync> as core[5a1c3e9896636f3a]::ops::function::Fn<(&std[d054f6f42beb1baa]::panic::PanicHookInfo,)>>::call
[INFO] [stdout]                                at /rustc/28f95933dc0727396c07b48d0a8cb5211b7fb472/library/alloc/src/boxed.rs:2291:9
[INFO] [stdout]   14:     0x5c23c2faca52 - std[d054f6f42beb1baa]::panicking::panic_with_hook
[INFO] [stdout]                                at /rustc/28f95933dc0727396c07b48d0a8cb5211b7fb472/library/std/src/panicking.rs:833:13
[INFO] [stdout]   15:     0x5c23c2f91ec2 - std[d054f6f42beb1baa]::panicking::panic_handler::{closure#0}
[INFO] [stdout]                                at /rustc/28f95933dc0727396c07b48d0a8cb5211b7fb472/library/std/src/panicking.rs:698:13
[INFO] [stdout]   16:     0x5c23c2f896e9 - std[d054f6f42beb1baa]::sys::backtrace::__rust_end_short_backtrace::<std[d054f6f42beb1baa]::panicking::panic_handler::{closure#0}, !>
[INFO] [stdout]                                at /rustc/28f95933dc0727396c07b48d0a8cb5211b7fb472/library/std/src/sys/backtrace.rs:182:18
[INFO] [stdout]   17:     0x5c23c2f92bdd - __rustc[7ab284efd7f33ea8]::rust_begin_unwind
[INFO] [stdout]                                at /rustc/28f95933dc0727396c07b48d0a8cb5211b7fb472/library/std/src/panicking.rs:689:5
[INFO] [stdout]   18:     0x5c23c2fcb20c - core[5a1c3e9896636f3a]::panicking::panic_fmt
[INFO] [stdout]                                at /rustc/28f95933dc0727396c07b48d0a8cb5211b7fb472/library/core/src/panicking.rs:80:14
[INFO] [stdout]   19:     0x5c23c2fcaf82 - core[5a1c3e9896636f3a]::result::unwrap_failed
[INFO] [stdout]                                at /rustc/28f95933dc0727396c07b48d0a8cb5211b7fb472/library/core/src/result.rs:1872:5
[INFO] [stdout]   20:     0x5c23c2e236a4 - <core[5a1c3e9896636f3a]::result::Result<cu_python_task[c2769ced8b960df4]::ProcessBackend, cu29_traits[ed1cd34430cd79cc]::CuError>>::expect
[INFO] [stdout]                                at /rustc/28f95933dc0727396c07b48d0a8cb5211b7fb472/library/core/src/result.rs:1185:23
[INFO] [stdout]   21:     0x5c23c2e46a43 - cu_python_task[c2769ced8b960df4]::tests::process_backend_supports_attribute_writes_on_absent_output_payload
[INFO] [stdout]                                at /opt/rustwide/workdir/src/lib.rs:1734:58
[INFO] [stdout]   22:     0x5c23c2e42b57 - cu_python_task[c2769ced8b960df4]::tests::process_backend_supports_attribute_writes_on_absent_output_payload::{closure#0}
[INFO] [stdout]                                at /opt/rustwide/workdir/src/lib.rs:1729:76
[INFO] [stdout]   23:     0x5c23c2e82486 - <cu_python_task[c2769ced8b960df4]::tests::process_backend_supports_attribute_writes_on_absent_output_payload::{closure#0} as core[5a1c3e9896636f3a]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]                                at /rustc/28f95933dc0727396c07b48d0a8cb5211b7fb472/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   24:     0x5c23c2e8b3db - <fn() -> core[5a1c3e9896636f3a]::result::Result<(), alloc[154f689e5dd3bae5]::string::String> as core[5a1c3e9896636f3a]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]                                at /rustc/28f95933dc0727396c07b48d0a8cb5211b7fb472/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   25:     0x5c23c2e8b3db - test[fad20673b750c10e]::__rust_begin_short_backtrace::<core[5a1c3e9896636f3a]::result::Result<(), alloc[154f689e5dd3bae5]::string::String>, fn() -> core[5a1c3e9896636f3a]::result::Result<(), alloc[154f689e5dd3bae5]::string::String>>
[INFO] [stdout]                                at /rustc/28f95933dc0727396c07b48d0a8cb5211b7fb472/library/test/src/lib.rs:724:18
[INFO] [stdout]   26:     0x5c23c2e98c55 - test[fad20673b750c10e]::run_test_in_process::{closure#0}
[INFO] [stdout]                                at /rustc/28f95933dc0727396c07b48d0a8cb5211b7fb472/library/test/src/lib.rs:747:74
[INFO] [stdout]   27:     0x5c23c2e98c55 - <core[5a1c3e9896636f3a]::panic::unwind_safe::AssertUnwindSafe<test[fad20673b750c10e]::run_test_in_process::{closure#0}> as core[5a1c3e9896636f3a]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]                                at /rustc/28f95933dc0727396c07b48d0a8cb5211b7fb472/library/core/src/panic/unwind_safe.rs:275:9
[INFO] [stdout]   28:     0x5c23c2e98c55 - std[d054f6f42beb1baa]::panicking::catch_unwind::do_call::<core[5a1c3e9896636f3a]::panic::unwind_safe::AssertUnwindSafe<test[fad20673b750c10e]::run_test_in_process::{closure#0}>, core[5a1c3e9896636f3a]::result::Result<(), alloc[154f689e5dd3bae5]::string::String>>
[INFO] [stdout]                                at /rustc/28f95933dc0727396c07b48d0a8cb5211b7fb472/library/std/src/panicking.rs:581:40
[INFO] [stdout]   29:     0x5c23c2e98c55 - std[d054f6f42beb1baa]::panicking::catch_unwind::<core[5a1c3e9896636f3a]::result::Result<(), alloc[154f689e5dd3bae5]::string::String>, core[5a1c3e9896636f3a]::panic::unwind_safe::AssertUnwindSafe<test[fad20673b750c10e]::run_test_in_process::{closure#0}>>
[INFO] [stdout]                                at /rustc/28f95933dc0727396c07b48d0a8cb5211b7fb472/library/std/src/panicking.rs:544:19
[INFO] [stdout]   30:     0x5c23c2e98c55 - std[d054f6f42beb1baa]::panic::catch_unwind::<core[5a1c3e9896636f3a]::panic::unwind_safe::AssertUnwindSafe<test[fad20673b750c10e]::run_test_in_process::{closure#0}>, core[5a1c3e9896636f3a]::result::Result<(), alloc[154f689e5dd3bae5]::string::String>>
[INFO] [stdout]                                at /rustc/28f95933dc0727396c07b48d0a8cb5211b7fb472/library/std/src/panic.rs:359:14
[INFO] [stdout]   31:     0x5c23c2e98c55 - test[fad20673b750c10e]::run_test_in_process
[INFO] [stdout]                                at /rustc/28f95933dc0727396c07b48d0a8cb5211b7fb472/library/test/src/lib.rs:747:27
[INFO] [stdout]   32:     0x5c23c2e98c55 - test[fad20673b750c10e]::run_test::{closure#0}
[INFO] [stdout]                                at /rustc/28f95933dc0727396c07b48d0a8cb5211b7fb472/library/test/src/lib.rs:668:43
[INFO] [stdout]   33:     0x5c23c2e937b4 - test[fad20673b750c10e]::run_test::{closure#1}
[INFO] [stdout]                                at /rustc/28f95933dc0727396c07b48d0a8cb5211b7fb472/library/test/src/lib.rs:698:41
[INFO] [stdout]   34:     0x5c23c2e937b4 - std[d054f6f42beb1baa]::sys::backtrace::__rust_begin_short_backtrace::<test[fad20673b750c10e]::run_test::{closure#1}, ()>
[INFO] [stdout]                                at /rustc/28f95933dc0727396c07b48d0a8cb5211b7fb472/library/std/src/sys/backtrace.rs:166:18
[INFO] [stdout]   35:     0x5c23c2e9bcd2 - std[d054f6f42beb1baa]::thread::lifecycle::spawn_unchecked::<test[fad20673b750c10e]::run_test::{closure#1}, ()>::{closure#1}::{closure#0}
[INFO] [stdout]                                at /rustc/28f95933dc0727396c07b48d0a8cb5211b7fb472/library/std/src/thread/lifecycle.rs:70:13
[INFO] [stdout]   36:     0x5c23c2e9bcd2 - <core[5a1c3e9896636f3a]::panic::unwind_safe::AssertUnwindSafe<std[d054f6f42beb1baa]::thread::lifecycle::spawn_unchecked<test[fad20673b750c10e]::run_test::{closure#1}, ()>::{closure#1}::{closure#0}> as core[5a1c3e9896636f3a]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]                                at /rustc/28f95933dc0727396c07b48d0a8cb5211b7fb472/library/core/src/panic/unwind_safe.rs:275:9
[INFO] [stdout]   37:     0x5c23c2e9bcd2 - std[d054f6f42beb1baa]::panicking::catch_unwind::do_call::<core[5a1c3e9896636f3a]::panic::unwind_safe::AssertUnwindSafe<std[d054f6f42beb1baa]::thread::lifecycle::spawn_unchecked<test[fad20673b750c10e]::run_test::{closure#1}, ()>::{closure#1}::{closure#0}>, ()>
[INFO] [stdout]                                at /rustc/28f95933dc0727396c07b48d0a8cb5211b7fb472/library/std/src/panicking.rs:581:40
[INFO] [stdout]   38:     0x5c23c2e9bcd2 - std[d054f6f42beb1baa]::panicking::catch_unwind::<(), core[5a1c3e9896636f3a]::panic::unwind_safe::AssertUnwindSafe<std[d054f6f42beb1baa]::thread::lifecycle::spawn_unchecked<test[fad20673b750c10e]::run_test::{closure#1}, ()>::{closure#1}::{closure#0}>>
[INFO] [stdout]                                at /rustc/28f95933dc0727396c07b48d0a8cb5211b7fb472/library/std/src/panicking.rs:544:19
[INFO] [stdout]   39:     0x5c23c2e9bcd2 - std[d054f6f42beb1baa]::panic::catch_unwind::<core[5a1c3e9896636f3a]::panic::unwind_safe::AssertUnwindSafe<std[d054f6f42beb1baa]::thread::lifecycle::spawn_unchecked<test[fad20673b750c10e]::run_test::{closure#1}, ()>::{closure#1}::{closure#0}>, ()>
[INFO] [stdout]                                at /rustc/28f95933dc0727396c07b48d0a8cb5211b7fb472/library/std/src/panic.rs:359:14
[INFO] [stdout]   40:     0x5c23c2e9bcd2 - std[d054f6f42beb1baa]::thread::lifecycle::spawn_unchecked::<test[fad20673b750c10e]::run_test::{closure#1}, ()>::{closure#1}
[INFO] [stdout]                                at /rustc/28f95933dc0727396c07b48d0a8cb5211b7fb472/library/std/src/thread/lifecycle.rs:68:26
[INFO] [stdout]   41:     0x5c23c2e9bcd2 - <std[d054f6f42beb1baa]::thread::lifecycle::spawn_unchecked<test[fad20673b750c10e]::run_test::{closure#1}, ()>::{closure#1} as core[5a1c3e9896636f3a]::ops::function::FnOnce<()>>::call_once::{shim:vtable#0}
[INFO] [stdout]                                at /rustc/28f95933dc0727396c07b48d0a8cb5211b7fb472/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   42:     0x5c23c2fb450f - <alloc[154f689e5dd3bae5]::boxed::Box<dyn core[5a1c3e9896636f3a]::ops::function::FnOnce<(), Output = ()> + core[5a1c3e9896636f3a]::marker::Send> as core[5a1c3e9896636f3a]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]                                at /rustc/28f95933dc0727396c07b48d0a8cb5211b7fb472/library/alloc/src/boxed.rs:2277:9
[INFO] [stdout]   43:     0x5c23c2fb450f - <std[d054f6f42beb1baa]::sys::thread::unix::Thread>::new::thread_start
[INFO] [stdout]                                at /rustc/28f95933dc0727396c07b48d0a8cb5211b7fb472/library/std/src/sys/thread/unix.rs:118:17
[INFO] [stdout]   44:     0x7a8fbbc47aa4 - <unknown>
[INFO] [stdout]   45:     0x7a8fbbcd4a64 - clone
[INFO] [stdout]   46:                0x0 - <unknown>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout]     tests::process_backend_keeps_absent_output_payload_when_python_does_not_touch_it
[INFO] [stdout]     tests::process_backend_optional_start_and_stop_hooks_are_noops
[INFO] [stdout]     tests::process_backend_preserves_rebound_scalar_state
[INFO] [stdout]     tests::process_backend_receives_ctx_snapshot
[INFO] [stdout]     tests::process_backend_runs_optional_start_and_stop_hooks
[INFO] [stdout]     tests::process_backend_shared_handles_are_exposed_without_copying
[INFO] [stdout]     tests::process_backend_supports_attribute_writes_on_absent_output_payload
[INFO] [stdout] 
[INFO] [stdout] test result: FAILED. 11 passed; 7 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.64s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "b0e74aeb90f91e13b347b431eeed689390d633104df9a0a43f193c76c7ac36da", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b0e74aeb90f91e13b347b431eeed689390d633104df9a0a43f193c76c7ac36da", kill_on_drop: false }`
[INFO] [stdout] b0e74aeb90f91e13b347b431eeed689390d633104df9a0a43f193c76c7ac36da
