[INFO] cloning repository https://github.com/tluolamo/ruffian
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/tluolamo/ruffian" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftluolamo%2Fruffian", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftluolamo%2Fruffian'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] f8cb035060be453bf6e532170fa4f0d4a72da00a
[INFO] testing tluolamo/ruffian against try#33835004928d3bf65db4d4712e1330766263b0bd for pr-155739
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftluolamo%2Fruffian" "/workspace/builds/worker-3-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-3-tc2/source'...
[INFO] [stderr] done.
[INFO] removed /workspace/builds/worker-3-tc2/source/.cargo/config.toml
[INFO] started tweaking git repo https://github.com/tluolamo/ruffian
[INFO] removed 0 missing tests
[INFO] finished tweaking git repo https://github.com/tluolamo/ruffian
[INFO] tweaked toml for git repo https://github.com/tluolamo/ruffian written to /workspace/builds/worker-3-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/tluolamo/ruffian on toolchain 33835004928d3bf65db4d4712e1330766263b0bd
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+33835004928d3bf65db4d4712e1330766263b0bd" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/tluolamo/ruffian 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" "+33835004928d3bf65db4d4712e1330766263b0bd" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+33835004928d3bf65db4d4712e1330766263b0bd" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] b78c2156a245ab84018bd7d1d66e610def09f324662c77998fdf4dfd6a09abb4
[INFO] running `Command { std: "docker" "start" "-a" "b78c2156a245ab84018bd7d1d66e610def09f324662c77998fdf4dfd6a09abb4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "b78c2156a245ab84018bd7d1d66e610def09f324662c77998fdf4dfd6a09abb4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b78c2156a245ab84018bd7d1d66e610def09f324662c77998fdf4dfd6a09abb4", kill_on_drop: false }`
[INFO] [stdout] b78c2156a245ab84018bd7d1d66e610def09f324662c77998fdf4dfd6a09abb4
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+33835004928d3bf65db4d4712e1330766263b0bd" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 715a318961991327169083df5f94292d8a7cd7a82a5b52c222140de71bbb04af
[INFO] running `Command { std: "docker" "start" "-a" "715a318961991327169083df5f94292d8a7cd7a82a5b52c222140de71bbb04af", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.106
[INFO] [stderr]    Compiling unicode-ident v1.0.24
[INFO] [stderr]    Compiling quote v1.0.45
[INFO] [stderr]    Compiling cfg-if v1.0.4
[INFO] [stderr]    Compiling smallvec v1.15.1
[INFO] [stderr]    Compiling libc v0.2.186
[INFO] [stderr]    Compiling zerocopy v0.8.48
[INFO] [stderr]    Compiling siphasher v1.0.2
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[INFO] [stderr]    Compiling rustversion v1.0.22
[INFO] [stderr]    Compiling memchr v2.8.0
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[INFO] [stderr]    Compiling collection_literals v1.0.3
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[INFO] [stderr]    Compiling derive-where v1.6.1
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[INFO] [stderr]    Compiling tokio-macros v2.7.0
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[INFO] [stderr]    Compiling attribute-derive-macro v0.10.5
[INFO] [stderr]    Compiling unicode_names2 v1.3.0
[INFO] [stderr]    Compiling tokio v1.52.1
[INFO] [stderr]    Compiling ignore v0.4.25
[INFO] [stderr]    Compiling attribute-derive v0.10.5
[INFO] [stderr]    Compiling clap v4.6.1
[INFO] [stderr]    Compiling get-size-derive2 v0.8.0
[INFO] [stderr]    Compiling get-size2 v0.8.0
[INFO] [stderr]    Compiling ruff_text_size v0.0.0 (https://github.com/astral-sh/ruff?tag=0.15.12#66f93cf7)
[INFO] [stderr]    Compiling ruff_source_file v0.0.0 (https://github.com/astral-sh/ruff?tag=0.15.12#66f93cf7)
[INFO] [stderr]    Compiling ruff_python_trivia v0.0.0 (https://github.com/astral-sh/ruff?tag=0.15.12#66f93cf7)
[INFO] [stderr]    Compiling ruff_python_ast v0.0.0 (https://github.com/astral-sh/ruff?tag=0.15.12#66f93cf7)
[INFO] [stderr]    Compiling toml_datetime v0.6.11
[INFO] [stderr]    Compiling serde_spanned v0.6.9
[INFO] [stderr]    Compiling toml_edit v0.22.27
[INFO] [stderr]    Compiling toml v0.8.23
[INFO] [stderr]    Compiling ruff_python_parser v0.0.0 (https://github.com/astral-sh/ruff?tag=0.15.12#66f93cf7)
[INFO] [stderr]    Compiling ruffian v0.9.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 1m 05s
[INFO] running `Command { std: "docker" "inspect" "715a318961991327169083df5f94292d8a7cd7a82a5b52c222140de71bbb04af", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "715a318961991327169083df5f94292d8a7cd7a82a5b52c222140de71bbb04af", kill_on_drop: false }`
[INFO] [stdout] 715a318961991327169083df5f94292d8a7cd7a82a5b52c222140de71bbb04af
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+33835004928d3bf65db4d4712e1330766263b0bd" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 766950d6ef371336b609f18dfc298446be7372323032daf2c9fb6940d191f364
[INFO] running `Command { std: "docker" "start" "-a" "766950d6ef371336b609f18dfc298446be7372323032daf2c9fb6940d191f364", kill_on_drop: false }`
[INFO] [stderr]    Compiling regex-syntax v0.8.10
[INFO] [stderr]    Compiling autocfg v1.5.0
[INFO] [stderr]    Compiling bitflags v2.11.1
[INFO] [stderr]    Compiling predicates-core v1.0.10
[INFO] [stderr]    Compiling getrandom v0.4.2
[INFO] [stderr]    Compiling rustix v1.1.4
[INFO] [stderr]    Compiling assert_cmd v2.2.1
[INFO] [stderr]    Compiling termtree v0.5.1
[INFO] [stderr]    Compiling difflib v0.4.0
[INFO] [stderr]    Compiling linux-raw-sys v0.12.1
[INFO] [stderr]    Compiling normalize-line-endings v0.3.0
[INFO] [stderr]    Compiling wait-timeout v0.2.1
[INFO] [stderr]    Compiling fastrand v2.4.1
[INFO] [stderr]    Compiling once_cell v1.21.4
[INFO] [stderr]    Compiling predicates-tree v1.0.13
[INFO] [stderr]    Compiling ruff_python_ast v0.0.0 (https://github.com/astral-sh/ruff?tag=0.15.12#66f93cf7)
[INFO] [stderr]    Compiling num-traits v0.2.19
[INFO] [stderr]    Compiling float-cmp v0.10.0
[INFO] [stderr]    Compiling regex-automata v0.4.14
[INFO] [stderr]    Compiling tempfile v3.27.0
[INFO] [stderr]    Compiling bstr v1.12.1
[INFO] [stderr]    Compiling regex v1.12.3
[INFO] [stderr]    Compiling predicates v3.1.4
[INFO] [stderr]    Compiling globset v0.4.18
[INFO] [stderr]    Compiling ruff_python_parser v0.0.0 (https://github.com/astral-sh/ruff?tag=0.15.12#66f93cf7)
[INFO] [stderr]    Compiling ignore v0.4.25
[INFO] [stderr]    Compiling ruffian v0.9.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 23.93s
[INFO] running `Command { std: "docker" "inspect" "766950d6ef371336b609f18dfc298446be7372323032daf2c9fb6940d191f364", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "766950d6ef371336b609f18dfc298446be7372323032daf2c9fb6940d191f364", kill_on_drop: false }`
[INFO] [stdout] 766950d6ef371336b609f18dfc298446be7372323032daf2c9fb6940d191f364
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+33835004928d3bf65db4d4712e1330766263b0bd" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 96dce18e96817989c2f193bb2230b0ca7108a19632397207cfc0aa5d2a383c9b
[INFO] running `Command { std: "docker" "start" "-a" "96dce18e96817989c2f193bb2230b0ca7108a19632397207cfc0aa5d2a383c9b", kill_on_drop: false }`
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.35s
[INFO] [stderr]      Running unittests src/main.rs (/opt/rustwide/target/debug/deps/ruffian-d62ae7d407265091)
[INFO] [stdout] 
[INFO] [stdout] running 9 tests
[INFO] [stdout] test noqa::tests::multiple_codes_suppresses_any_listed ... ok
[INFO] [stdout] test noqa::tests::noqa_is_case_insensitive_for_codes ... ok
[INFO] [stdout] test noqa::tests::specific_code_suppresses_matching_code ... ok
[INFO] [stdout] test ruff::tests::build_format_cmd_includes_check_flag ... ok
[INFO] [stdout] test noqa::tests::specific_code_does_not_suppress_other_code ... ok
[INFO] [stdout] test ruff::tests::build_format_cmd_includes_files ... ok
[INFO] [stdout] test noqa::tests::bare_noqa_suppresses_any_code ... ok
[INFO] [stdout] test noqa::tests::no_noqa_comment_does_not_suppress ... ok
[INFO] [stdout] test ruff::tests::build_format_cmd_omits_check_flag_when_false ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 9 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.04s
[INFO] [stdout] 
[INFO] [stderr]      Running tests/integration/test_check.rs (/opt/rustwide/target/debug/deps/integration-f6ecb48fef745d3f)
[INFO] [stdout] 
[INFO] [stdout] running 24 tests
[INFO] [stdout] test format_check_fails_for_unformatted_file ... ok
[INFO] [stdout] test plc0302_fires_on_long_file ... ok
[INFO] [stdout] test plc0302_respects_legacy_max_lines_key ... ok
[INFO] [stdout] test plc0302_respects_custom_max_lines_from_config ... ok
[INFO] [stdout] test check_directory_with_no_python_files_exits_zero ... FAILED
[INFO] [stdout] test plc0302_does_not_fire_at_exact_limit ... FAILED
[INFO] [stdout] test check_clean_file_exits_zero ... FAILED
[INFO] [stdout] test noqa_specific_code_suppresses_matching_violation ... FAILED
[INFO] [stdout] test json_output_contains_required_violation_fields ... FAILED
[INFO] [stdout] test fix_flag_applies_ruff_fixes_and_exits_zero ... FAILED
[INFO] [stdout] test plugin_nonzero_exit_does_not_count_as_lint_failure ... FAILED
[INFO] [stdout] test json_output_is_valid_json_array ... FAILED
[INFO] [stdout] test json_output_is_empty_array_for_clean_file ... FAILED
[INFO] [stdout] test format_check_exits_zero_for_well_formatted_file ... FAILED
[INFO] [stdout] test json_output_includes_ruffian_violations ... FAILED
[INFO] [stdout] test plugin_returning_empty_array_exits_zero ... FAILED
[INFO] [stdout] test rule_subcommand_prints_plc0302_docs ... ok
[INFO] [stdout] test plugin_invalid_json_does_not_count_as_lint_failure ... FAILED
[INFO] [stdout] test plugin_stderr_is_forwarded ... FAILED
[INFO] [stdout] test plugin_returning_violation_causes_failure ... ok
[INFO] [stdout] test plugin_with_bad_executable_does_not_count_as_lint_failure ... FAILED
[INFO] [stdout] test noqa_specific_code_does_not_suppress_other_violation ... ok
[INFO] [stdout] test noqa_bare_suppresses_ruffian_violation ... FAILED
[INFO] [stdout] test ruff_violations_are_included_in_output ... ok
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout] 
[INFO] [stdout] ---- check_directory_with_no_python_files_exits_zero stdout ----
[INFO] [stdout] 
[INFO] [stdout] thread 'check_directory_with_no_python_files_exits_zero' (29) panicked at /rustc/33835004928d3bf65db4d4712e1330766263b0bd/library/core/src/ops/function.rs:250:5:
[INFO] [stdout] Unexpected failure.
[INFO] [stdout] code=1
[INFO] [stdout] stderr=``````
[INFO] [stdout] Error: failed to spawn ruff — is it installed and on PATH?
[INFO] [stdout] 
[INFO] [stdout] Caused by:
[INFO] [stdout]     No such file or directory (os error 2)
[INFO] [stdout] 
[INFO] [stdout] Stack backtrace:
[INFO] [stdout]    0: <std::io::error::Error as anyhow::context::ext::StdError>::ext_context::<&str>
[INFO] [stdout]              at /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/anyhow-1.0.102/src/backtrace.rs:10:14
[INFO] [stdout]    1: <core::result::Result<std::process::Output, std::io::error::Error> as anyhow::Context<std::process::Output, std::io::error::Error>>::context::<&str>
[INFO] [stdout]              at /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/anyhow-1.0.102/src/context.rs:54:37
[INFO] [stdout]    2: ruffian::ruff::check
[INFO] [stdout]              at ./src/ruff.rs:34:10
[INFO] [stdout]    3: ruffian::runner::run_check::{closure#1}
[INFO] [stdout]              at ./src/runner.rs:44:9
[INFO] [stdout]    4: std::sys::backtrace::__rust_begin_short_backtrace::<ruffian::runner::run_check::{closure#1}, core::result::Result<alloc::vec::Vec<ruffian::ruff::Violation>, anyhow::Error>>
[INFO] [stdout]              at /rustc/33835004928d3bf65db4d4712e1330766263b0bd/library/std/src/sys/backtrace.rs:166:18
[INFO] [stdout]    5: std::thread::lifecycle::spawn_unchecked::<ruffian::runner::run_check::{closure#1}, core::result::Result<alloc::vec::Vec<ruffian::ruff::Violation>, anyhow::Error>>::{closure#1}::{closure#0}
[INFO] [stdout]              at /rustc/33835004928d3bf65db4d4712e1330766263b0bd/library/std/src/thread/lifecycle.rs:70:13
[INFO] [stdout]    6: <core::panic::unwind_safe::AssertUnwindSafe<std::thread::lifecycle::spawn_unchecked<ruffian::runner::run_check::{closure#1}, core::result::Result<alloc::vec::Vec<ruffian::ruff::Violation>, anyhow::Error>>::{closure#1}::{closure#0}> as core::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]              at /rustc/33835004928d3bf65db4d4712e1330766263b0bd/library/core/src/panic/unwind_safe.rs:275:9
[INFO] [stdout]    7: std::panicking::catch_unwind::do_call::<core::panic::unwind_safe::AssertUnwindSafe<std::thread::lifecycle::spawn_unchecked<ruffian::runner::run_check::{closure#1}, core::result::Result<alloc::vec::Vec<ruffian::ruff::Violation>, anyhow::Error>>::{closure#1}::{closure#0}>, core::result::Result<alloc::vec::Vec<ruffian::ruff::Violation>, anyhow::Error>>
[INFO] [stdout]              at /rustc/33835004928d3bf65db4d4712e1330766263b0bd/library/std/src/panicking.rs:581:40
[INFO] [stdout]    8: __rust_try
[INFO] [stdout]    9: std::panicking::catch_unwind::<core::result::Result<alloc::vec::Vec<ruffian::ruff::Violation>, anyhow::Error>, core::panic::unwind_safe::AssertUnwindSafe<std::thread::lifecycle::spawn_unchecked<ruffian::runner::run_check::{closure#1}, core::result::Result<alloc::vec::Vec<ruffian::ruff::Violation>, anyhow::Error>>::{closure#1}::{closure#0}>>
[INFO] [stdout]              at /rustc/33835004928d3bf65db4d4712e1330766263b0bd/library/std/src/panicking.rs:544:19
[INFO] [stdout]   10: std::panic::catch_unwind::<core::panic::unwind_safe::AssertUnwindSafe<std::thread::lifecycle::spawn_unchecked<ruffian::runner::run_check::{closure#1}, core::result::Result<alloc::vec::Vec<ruffian::ruff::Violation>, anyhow::Error>>::{closure#1}::{closure#0}>, core::result::Result<alloc::vec::Vec<ruffian::ruff::Violation>, anyhow::Error>>
[INFO] [stdout]              at /rustc/33835004928d3bf65db4d4712e1330766263b0bd/library/std/src/panic.rs:359:14
[INFO] [stdout]   11: std::thread::lifecycle::spawn_unchecked::<ruffian::runner::run_check::{closure#1}, core::result::Result<alloc::vec::Vec<ruffian::ruff::Violation>, anyhow::Error>>::{closure#1}
[INFO] [stdout]              at /rustc/33835004928d3bf65db4d4712e1330766263b0bd/library/std/src/thread/lifecycle.rs:68:26
[INFO] [stdout]   12: <std::thread::lifecycle::spawn_unchecked<ruffian::runner::run_check::{closure#1}, core::result::Result<alloc::vec::Vec<ruffian::ruff::Violation>, anyhow::Error>>::{closure#1} as core::ops::function::FnOnce<()>>::call_once::{shim:vtable#0}
[INFO] [stdout]              at /rustc/33835004928d3bf65db4d4712e1330766263b0bd/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   13: <alloc::boxed::Box<dyn core::ops::function::FnOnce<(), Output = ()> + core::marker::Send> as core::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]              at /rustc/33835004928d3bf65db4d4712e1330766263b0bd/library/alloc/src/boxed.rs:2271:9
[INFO] [stdout]   14: <std::sys::thread::unix::Thread>::new::thread_start
[INFO] [stdout]              at /rustc/33835004928d3bf65db4d4712e1330766263b0bd/library/std/src/sys/thread/unix.rs:118:17
[INFO] [stdout]   15: <unknown>
[INFO] [stdout]   16: clone
[INFO] [stdout] ```
[INFO] [stdout] ```
[INFO] [stdout] command=`"/opt/rustwide/target/debug/ruffian" "check" "/tmp/.tmpeInK2J"`
[INFO] [stdout] code=1
[INFO] [stdout] stdout=""
[INFO] [stdout] stderr=```
[INFO] [stdout] Error: failed to spawn ruff — is it installed and on PATH?
[INFO] [stdout] 
[INFO] [stdout] Caused by:
[INFO] [stdout]     No such file or directory (os error 2)
[INFO] [stdout] 
[INFO] [stdout] Stack backtrace:
[INFO] [stdout]    0: <std::io::error::Error as anyhow::context::ext::StdError>::ext_context::<&str>
[INFO] [stdout]              at /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/anyhow-1.0.102/src/backtrace.rs:10:14
[INFO] [stdout]    1: <core::result::Result<std::process::Output, std::io::error::Error> as anyhow::Context<std::process::Output, std::io::error::Error>>::context::<&str>
[INFO] [stdout]              at /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/anyhow-1.0.102/src/context.rs:54:37
[INFO] [stdout]    2: ruffian::ruff::check
[INFO] [stdout]              at ./src/ruff.rs:34:10
[INFO] [stdout]    3: ruffian::runner::run_check::{closure#1}
[INFO] [stdout]              at ./src/runner.rs:44:9
[INFO] [stdout]    4: std::sys::backtrace::__rust_begin_short_backtrace::<ruffian::runner::run_check::{closure#1}, core::result::Result<alloc::vec::Vec<ruffian::ruff::Violation>, anyhow::Error>>
[INFO] [stdout]              at /rustc/33835004928d3bf65db4d4712e1330766263b0bd/library/std/src/sys/backtrace.rs:166:18
[INFO] [stdout]    5: std::thread::lifecycle::spawn_unchecked::<ruffian::runner::run_check::{closure#1}, core::result::Result<alloc::vec::Vec<ruffian::ruff::Violation>, anyhow::Error>>::{closure#1}::{closure#0}
[INFO] [stdout]              at /rustc/33835004928d3bf65db4d4712e1330766263b0bd/library/std/src/thread/lifecycle.rs:70:13
[INFO] [stdout]    6: <core::panic::unwind_safe::AssertUnwindSafe<std::thread::lifecycle::spawn_unchecked<ruffian::runner::run_check::{closure#1}, core::result::Result<alloc::vec::Vec<ruffian::ruff::Violation>, anyhow::Error>>::{closure#1}::{closure#0}> as core::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]              at /rustc/33835004928d3bf65db4d4712e1330766263b0bd/library/core/src/panic/unwind_safe.rs:275:9
[INFO] [stdout]    7: std::panicking::catch_unwind::do_call::<core::panic::unwind_safe::AssertUnwindSafe<std::thread::lifecycle::spawn_unchecked<ruffian::runner::run_check::{closure#1}, core::result::Result<alloc::vec::Vec<ruffian::ruff::Violation>, anyhow::Error>>::{closure#1}::{closure#0}>, core::result::Result<alloc::vec::Vec<ruffian::ruff::Violation>, anyhow::Error>>
[INFO] [stdout]              at /rustc/33835004928d3bf65db4d4712e1330766263b0bd/library/std/src/panicking.rs:581:40
[INFO] [stdout]    8: __rust_try
[INFO] [stdout]    9: std::panicking::catch_unwind::<core::result::Result<alloc::vec::Vec<ruffian::ruff::Violation>, anyhow::Error>, core::panic::unwind_safe::AssertUnwindSafe<std::thread::lifecycle::spawn_unchecked<ruffian::runner::run_check::{closure#1}, core::result::Result<alloc::vec::Vec<ruffian::ruff::Violation>, anyhow::Error>>::{closure#1}::{closure#0}>>
[INFO] [stdout]              at /rustc/33835004928d3bf65db4d4712e1330766263b0bd/library/std/src/panicking.rs:544:19
[INFO] [stdout]   10: std::panic::catch_unwind::<core::panic::unwind_safe::AssertUnwindSafe<std::thread::lifecycle::spawn_unchecked<ruffian::runner::run_check::{closure#1}, core::result::Result<alloc::vec::Vec<ruffian::ruff::Violation>, anyhow::Error>>::{closure#1}::{closure#0}>, core::result::Result<alloc::vec::Vec<ruffian::ruff::Violation>, anyhow::Error>>
[INFO] [stdout]              at /rustc/33835004928d3bf65db4d4712e1330766263b0bd/library/std/src/panic.rs:359:14
[INFO] [stdout]   11: std::thread::lifecycle::spawn_unchecked::<ruffian::runner::run_check::{closure#1}, core::result::Result<alloc::vec::Vec<ruffian::ruff::Violation>, anyhow::Error>>::{closure#1}
[INFO] [stdout]              at /rustc/33835004928d3bf65db4d4712e1330766263b0bd/library/std/src/thread/lifecycle.rs:68:26
[INFO] [stdout]   12: <std::thread::lifecycle::spawn_unchecked<ruffian::runner::run_check::{closure#1}, core::result::Result<alloc::vec::Vec<ruffian::ruff::Violation>, anyhow::Error>>::{closure#1} as core::ops::function::FnOnce<()>>::call_once::{shim:vtable#0}
[INFO] [stdout]              at /rustc/33835004928d3bf65db4d4712e1330766263b0bd/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   13: <alloc::boxed::Box<dyn core::ops::function::FnOnce<(), Output = ()> + core::marker::Send> as core::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]              at /rustc/33835004928d3bf65db4d4712e1330766263b0bd/library/alloc/src/boxed.rs:2271:9
[INFO] [stdout]   14: <std::sys::thread::unix::Thread>::new::thread_start
[INFO] [stdout]              at /rustc/33835004928d3bf65db4d4712e1330766263b0bd/library/std/src/sys/thread/unix.rs:118:17
[INFO] [stdout]   15: <unknown>
[INFO] [stdout]   16: clone
[INFO] [stdout] ```
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] stack backtrace:
[INFO] [stdout]    0:     0x65070e02b96a - std[ec419fa8110287d5]::backtrace_rs::backtrace::libunwind::trace
[INFO] [stdout]                                at /rustc/33835004928d3bf65db4d4712e1330766263b0bd/library/std/src/../../backtrace/src/backtrace/libunwind.rs:117:9
[INFO] [stdout]    1:     0x65070e02b96a - std[ec419fa8110287d5]::backtrace_rs::backtrace::trace_unsynchronized::<std[ec419fa8110287d5]::sys::backtrace::_print_fmt::{closure#1}>
[INFO] [stdout]                                at /rustc/33835004928d3bf65db4d4712e1330766263b0bd/library/std/src/../../backtrace/src/backtrace/mod.rs:66:14
[INFO] [stdout]    2:     0x65070e02b96a - std[ec419fa8110287d5]::sys::backtrace::_print_fmt
[INFO] [stdout]                                at /rustc/33835004928d3bf65db4d4712e1330766263b0bd/library/std/src/sys/backtrace.rs:74:9
[INFO] [stdout]    3:     0x65070e02b96a - <<std[ec419fa8110287d5]::sys::backtrace::BacktraceLock>::print::DisplayBacktrace as core[35159d6ffb30e017]::fmt::Display>::fmt
[INFO] [stdout]                                at /rustc/33835004928d3bf65db4d4712e1330766263b0bd/library/std/src/sys/backtrace.rs:44:26
[INFO] [stdout]    4:     0x65070e04218a - <core[35159d6ffb30e017]::fmt::rt::Argument>::fmt
[INFO] [stdout]                                at /rustc/33835004928d3bf65db4d4712e1330766263b0bd/library/core/src/fmt/rt.rs:152:76
[INFO] [stdout]    5:     0x65070e04218a - core[35159d6ffb30e017]::fmt::write
[INFO] [stdout]    6:     0x65070e0316f2 - std[ec419fa8110287d5]::io::default_write_fmt::<alloc[a8a7aba520129d98]::vec::Vec<u8>>
[INFO] [stdout]                                at /rustc/33835004928d3bf65db4d4712e1330766263b0bd/library/std/src/io/mod.rs:621:11
[INFO] [stdout]    7:     0x65070e0316f2 - <alloc[a8a7aba520129d98]::vec::Vec<u8> as std[ec419fa8110287d5]::io::Write>::write_fmt
[INFO] [stdout]                                at /rustc/33835004928d3bf65db4d4712e1330766263b0bd/library/std/src/io/mod.rs:1976:13
[INFO] [stdout]    8:     0x65070e00860f - <std[ec419fa8110287d5]::sys::backtrace::BacktraceLock>::print
[INFO] [stdout]                                at /rustc/33835004928d3bf65db4d4712e1330766263b0bd/library/std/src/sys/backtrace.rs:47:9
[INFO] [stdout]    9:     0x65070e00860f - std[ec419fa8110287d5]::panicking::default_hook::{closure#0}
[INFO] [stdout]                                at /rustc/33835004928d3bf65db4d4712e1330766263b0bd/library/std/src/panicking.rs:292:27
[INFO] [stdout]   10:     0x65070e023149 - std[ec419fa8110287d5]::panicking::default_hook
[INFO] [stdout]                                at /rustc/33835004928d3bf65db4d4712e1330766263b0bd/library/std/src/panicking.rs:316:9
[INFO] [stdout]   11:     0x65070df4552c - <alloc[a8a7aba520129d98]::boxed::Box<dyn for<'a, 'b> core[35159d6ffb30e017]::ops::function::Fn<(&'a std[ec419fa8110287d5]::panic::PanicHookInfo<'b>,), Output = ()> + core[35159d6ffb30e017]::marker::Sync + core[35159d6ffb30e017]::marker::Send> as core[35159d6ffb30e017]::ops::function::Fn<(&std[ec419fa8110287d5]::panic::PanicHookInfo,)>>::call
[INFO] [stdout]                                at /rustc/33835004928d3bf65db4d4712e1330766263b0bd/library/alloc/src/boxed.rs:2285:9
[INFO] [stdout]   12:     0x65070df4552c - test[a8007afcd3effadc]::test_main_inner::<test[a8007afcd3effadc]::test_main_static::{closure#0}>::{closure#0}
[INFO] [stdout]                                at /rustc/33835004928d3bf65db4d4712e1330766263b0bd/library/test/src/lib.rs:155:21
[INFO] [stdout]   13:     0x65070e023302 - <alloc[a8a7aba520129d98]::boxed::Box<dyn for<'a, 'b> core[35159d6ffb30e017]::ops::function::Fn<(&'a std[ec419fa8110287d5]::panic::PanicHookInfo<'b>,), Output = ()> + core[35159d6ffb30e017]::marker::Sync + core[35159d6ffb30e017]::marker::Send> as core[35159d6ffb30e017]::ops::function::Fn<(&std[ec419fa8110287d5]::panic::PanicHookInfo,)>>::call
[INFO] [stdout]                                at /rustc/33835004928d3bf65db4d4712e1330766263b0bd/library/alloc/src/boxed.rs:2285:9
[INFO] [stdout]   14:     0x65070e023302 - std[ec419fa8110287d5]::panicking::panic_with_hook
[INFO] [stdout]                                at /rustc/33835004928d3bf65db4d4712e1330766263b0bd/library/std/src/panicking.rs:833:13
[INFO] [stdout]   15:     0x65070e0086c8 - std[ec419fa8110287d5]::panicking::panic_handler::{closure#0}
[INFO] [stdout]                                at /rustc/33835004928d3bf65db4d4712e1330766263b0bd/library/std/src/panicking.rs:698:13
[INFO] [stdout]   16:     0x65070dfffe39 - std[ec419fa8110287d5]::sys::backtrace::__rust_end_short_backtrace::<std[ec419fa8110287d5]::panicking::panic_handler::{closure#0}, !>
[INFO] [stdout]                                at /rustc/33835004928d3bf65db4d4712e1330766263b0bd/library/std/src/sys/backtrace.rs:182:18
[INFO] [stdout]   17:     0x65070e00946d - __rustc[cfb3622dd870db93]::rust_begin_unwind
[INFO] [stdout]                                at /rustc/33835004928d3bf65db4d4712e1330766263b0bd/library/std/src/panicking.rs:689:5
[INFO] [stdout]   18:     0x65070e04299c - core[35159d6ffb30e017]::panicking::panic_fmt
[INFO] [stdout]                                at /rustc/33835004928d3bf65db4d4712e1330766263b0bd/library/core/src/panicking.rs:80:14
[INFO] [stdout]   19:     0x65070dfb0708 - core[35159d6ffb30e017]::panicking::panic_display::<assert_cmd[35950e0b123f7429]::assert::AssertError>
[INFO] [stdout]                                at /rustc/33835004928d3bf65db4d4712e1330766263b0bd/library/core/src/panicking.rs:259:5
[INFO] [stdout]   20:     0x65070dfae9f7 - <assert_cmd[35950e0b123f7429]::assert::AssertError>::panic::<assert_cmd[35950e0b123f7429]::assert::Assert>
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/assert_cmd-2.2.1/src/assert.rs:1036:9
[INFO] [stdout]   21:     0x65070dfb42b7 - <<assert_cmd[35950e0b123f7429]::assert::AssertError>::panic<assert_cmd[35950e0b123f7429]::assert::Assert> as core[35159d6ffb30e017]::ops::function::FnOnce<(assert_cmd[35950e0b123f7429]::assert::AssertError,)>>::call_once
[INFO] [stdout]                                at /rustc/33835004928d3bf65db4d4712e1330766263b0bd/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   22:     0x65070dfb4634 - <core[35159d6ffb30e017]::result::Result<assert_cmd[35950e0b123f7429]::assert::Assert, assert_cmd[35950e0b123f7429]::assert::AssertError>>::unwrap_or_else::<<assert_cmd[35950e0b123f7429]::assert::AssertError>::panic<assert_cmd[35950e0b123f7429]::assert::Assert>>
[INFO] [stdout]                                at /rustc/33835004928d3bf65db4d4712e1330766263b0bd/library/core/src/result.rs:1622:23
[INFO] [stdout]   23:     0x65070dfb1f90 - <assert_cmd[35950e0b123f7429]::assert::Assert>::success
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/assert_cmd-2.2.1/src/assert.rs:161:28
[INFO] [stdout]   24:     0x65070df3547f - integration[c26367521ce6f8e0]::check_directory_with_no_python_files_exits_zero
[INFO] [stdout]                                at /opt/rustwide/workdir/tests/integration/test_check.rs:120:10
[INFO] [stdout]   25:     0x65070df2dd27 - integration[c26367521ce6f8e0]::check_directory_with_no_python_files_exits_zero::{closure#0}
[INFO] [stdout]                                at /opt/rustwide/workdir/tests/integration/test_check.rs:113:53
[INFO] [stdout]   26:     0x65070df385e6 - <integration[c26367521ce6f8e0]::check_directory_with_no_python_files_exits_zero::{closure#0} as core[35159d6ffb30e017]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]                                at /rustc/33835004928d3bf65db4d4712e1330766263b0bd/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   27:     0x65070df3880b - <fn() -> core[35159d6ffb30e017]::result::Result<(), alloc[a8a7aba520129d98]::string::String> as core[35159d6ffb30e017]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]                                at /rustc/33835004928d3bf65db4d4712e1330766263b0bd/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   28:     0x65070df3880b - test[a8007afcd3effadc]::__rust_begin_short_backtrace::<core[35159d6ffb30e017]::result::Result<(), alloc[a8a7aba520129d98]::string::String>, fn() -> core[35159d6ffb30e017]::result::Result<(), alloc[a8a7aba520129d98]::string::String>>
[INFO] [stdout]                                at /rustc/33835004928d3bf65db4d4712e1330766263b0bd/library/test/src/lib.rs:724:18
[INFO] [stdout]   29:     0x65070df45ffb - test[a8007afcd3effadc]::run_test_in_process::{closure#0}
[INFO] [stdout]                                at /rustc/33835004928d3bf65db4d4712e1330766263b0bd/library/test/src/lib.rs:747:74
[INFO] [stdout]   30:     0x65070df45ffb - <core[35159d6ffb30e017]::panic::unwind_safe::AssertUnwindSafe<test[a8007afcd3effadc]::run_test_in_process::{closure#0}> as core[35159d6ffb30e017]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]                                at /rustc/33835004928d3bf65db4d4712e1330766263b0bd/library/core/src/panic/unwind_safe.rs:275:9
[INFO] [stdout]   31:     0x65070df45ffb - std[ec419fa8110287d5]::panicking::catch_unwind::do_call::<core[35159d6ffb30e017]::panic::unwind_safe::AssertUnwindSafe<test[a8007afcd3effadc]::run_test_in_process::{closure#0}>, core[35159d6ffb30e017]::result::Result<(), alloc[a8a7aba520129d98]::string::String>>
[INFO] [stdout]                                at /rustc/33835004928d3bf65db4d4712e1330766263b0bd/library/std/src/panicking.rs:581:40
[INFO] [stdout]   32:     0x65070df45ffb - std[ec419fa8110287d5]::panicking::catch_unwind::<core[35159d6ffb30e017]::result::Result<(), alloc[a8a7aba520129d98]::string::String>, core[35159d6ffb30e017]::panic::unwind_safe::AssertUnwindSafe<test[a8007afcd3effadc]::run_test_in_process::{closure#0}>>
[INFO] [stdout]                                at /rustc/33835004928d3bf65db4d4712e1330766263b0bd/library/std/src/panicking.rs:544:19
[INFO] [stdout]   33:     0x65070df45ffb - std[ec419fa8110287d5]::panic::catch_unwind::<core[35159d6ffb30e017]::panic::unwind_safe::AssertUnwindSafe<test[a8007afcd3effadc]::run_test_in_process::{closure#0}>, core[35159d6ffb30e017]::result::Result<(), alloc[a8a7aba520129d98]::string::String>>
[INFO] [stdout]                                at /rustc/33835004928d3bf65db4d4712e1330766263b0bd/library/std/src/panic.rs:359:14
[INFO] [stdout]   34:     0x65070df45ffb - test[a8007afcd3effadc]::run_test_in_process
[INFO] [stdout]                                at /rustc/33835004928d3bf65db4d4712e1330766263b0bd/library/test/src/lib.rs:747:27
[INFO] [stdout]   35:     0x65070df45ffb - test[a8007afcd3effadc]::run_test::{closure#0}
[INFO] [stdout]                                at /rustc/33835004928d3bf65db4d4712e1330766263b0bd/library/test/src/lib.rs:668:43
[INFO] [stdout]   36:     0x65070df409d4 - test[a8007afcd3effadc]::run_test::{closure#1}
[INFO] [stdout]                                at /rustc/33835004928d3bf65db4d4712e1330766263b0bd/library/test/src/lib.rs:698:41
[INFO] [stdout]   37:     0x65070df409d4 - std[ec419fa8110287d5]::sys::backtrace::__rust_begin_short_backtrace::<test[a8007afcd3effadc]::run_test::{closure#1}, ()>
[INFO] [stdout]                                at /rustc/33835004928d3bf65db4d4712e1330766263b0bd/library/std/src/sys/backtrace.rs:166:18
[INFO] [stdout]   38:     0x65070df48c02 - std[ec419fa8110287d5]::thread::lifecycle::spawn_unchecked::<test[a8007afcd3effadc]::run_test::{closure#1}, ()>::{closure#1}::{closure#0}
[INFO] [stdout]                                at /rustc/33835004928d3bf65db4d4712e1330766263b0bd/library/std/src/thread/lifecycle.rs:70:13
[INFO] [stdout]   39:     0x65070df48c02 - <core[35159d6ffb30e017]::panic::unwind_safe::AssertUnwindSafe<std[ec419fa8110287d5]::thread::lifecycle::spawn_unchecked<test[a8007afcd3effadc]::run_test::{closure#1}, ()>::{closure#1}::{closure#0}> as core[35159d6ffb30e017]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]                                at /rustc/33835004928d3bf65db4d4712e1330766263b0bd/library/core/src/panic/unwind_safe.rs:275:9
[INFO] [stdout]   40:     0x65070df48c02 - std[ec419fa8110287d5]::panicking::catch_unwind::do_call::<core[35159d6ffb30e017]::panic::unwind_safe::AssertUnwindSafe<std[ec419fa8110287d5]::thread::lifecycle::spawn_unchecked<test[a8007afcd3effadc]::run_test::{closure#1}, ()>::{closure#1}::{closure#0}>, ()>
[INFO] [stdout]                                at /rustc/33835004928d3bf65db4d4712e1330766263b0bd/library/std/src/panicking.rs:581:40
[INFO] [stdout]   41:     0x65070df48c02 - std[ec419fa8110287d5]::panicking::catch_unwind::<(), core[35159d6ffb30e017]::panic::unwind_safe::AssertUnwindSafe<std[ec419fa8110287d5]::thread::lifecycle::spawn_unchecked<test[a8007afcd3effadc]::run_test::{closure#1}, ()>::{closure#1}::{closure#0}>>
[INFO] [stdout]                                at /rustc/33835004928d3bf65db4d4712e1330766263b0bd/library/std/src/panicking.rs:544:19
[INFO] [stdout]   42:     0x65070df48c02 - std[ec419fa8110287d5]::panic::catch_unwind::<core[35159d6ffb30e017]::panic::unwind_safe::AssertUnwindSafe<std[ec419fa8110287d5]::thread::lifecycle::spawn_unchecked<test[a8007afcd3effadc]::run_test::{closure#1}, ()>::{closure#1}::{closure#0}>, ()>
[INFO] [stdout]                                at /rustc/33835004928d3bf65db4d4712e1330766263b0bd/library/std/src/panic.rs:359:14
[INFO] [stdout]   43:     0x65070df48c02 - std[ec419fa8110287d5]::thread::lifecycle::spawn_unchecked::<test[a8007afcd3effadc]::run_test::{closure#1}, ()>::{closure#1}
[INFO] [stdout]                                at /rustc/33835004928d3bf65db4d4712e1330766263b0bd/library/std/src/thread/lifecycle.rs:68:26
[INFO] [stdout]   44:     0x65070df48c02 - <std[ec419fa8110287d5]::thread::lifecycle::spawn_unchecked<test[a8007afcd3effadc]::run_test::{closure#1}, ()>::{closure#1} as core[35159d6ffb30e017]::ops::function::FnOnce<()>>::call_once::{shim:vtable#0}
[INFO] [stdout]                                at /rustc/33835004928d3bf65db4d4712e1330766263b0bd/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   45:     0x65070e02acdf - <alloc[a8a7aba520129d98]::boxed::Box<dyn core[35159d6ffb30e017]::ops::function::FnOnce<(), Output = ()> + core[35159d6ffb30e017]::marker::Send> as core[35159d6ffb30e017]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]                                at /rustc/33835004928d3bf65db4d4712e1330766263b0bd/library/alloc/src/boxed.rs:2271:9
[INFO] [stdout]   46:     0x65070e02acdf - <std[ec419fa8110287d5]::sys::thread::unix::Thread>::new::thread_start
[INFO] [stdout]                                at /rustc/33835004928d3bf65db4d4712e1330766263b0bd/library/std/src/sys/thread/unix.rs:118:17
[INFO] [stdout]   47:     0x79f6b45d8aa4 - <unknown>
[INFO] [stdout]   48:     0x79f6b4665a64 - clone
[INFO] [stdout]   49:                0x0 - <unknown>
[INFO] [stdout] 
[INFO] [stdout] ---- plc0302_does_not_fire_at_exact_limit stdout ----
[INFO] [stdout] 
[INFO] [stdout] thread 'plc0302_does_not_fire_at_exact_limit' (60) panicked at /rustc/33835004928d3bf65db4d4712e1330766263b0bd/library/core/src/ops/function.rs:250:5:
[INFO] [stdout] Unexpected failure.
[INFO] [stdout] code=1
[INFO] [stdout] stderr=``````
[INFO] [stdout] Error: failed to spawn ruff — is it installed and on PATH?
[INFO] [stdout] 
[INFO] [stdout] Caused by:
[INFO] [stdout]     No such file or directory (os error 2)
[INFO] [stdout] 
[INFO] [stdout] Stack backtrace:
[INFO] [stdout]    0: <std::io::error::Error as anyhow::context::ext::StdError>::ext_context::<&str>
[INFO] [stdout]              at /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/anyhow-1.0.102/src/backtrace.rs:10:14
[INFO] [stdout]    1: <core::result::Result<std::process::Output, std::io::error::Error> as anyhow::Context<std::process::Output, std::io::error::Error>>::context::<&str>
[INFO] [stdout]              at /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/anyhow-1.0.102/src/context.rs:54:37
[INFO] [stdout]    2: ruffian::ruff::check
[INFO] [stdout]              at /opt/rustwide/workdir/src/ruff.rs:34:10
[INFO] [stdout]    3: ruffian::runner::run_check::{closure#1}
[INFO] [stdout]              at /opt/rustwide/workdir/src/runner.rs:44:9
[INFO] [stdout]    4: std::sys::backtrace::__rust_begin_short_backtrace::<ruffian::runner::run_check::{closure#1}, core::result::Result<alloc::vec::Vec<ruffian::ruff::Violation>, anyhow::Error>>
[INFO] [stdout]              at /rustc/33835004928d3bf65db4d4712e1330766263b0bd/library/std/src/sys/backtrace.rs:166:18
[INFO] [stdout]    5: std::thread::lifecycle::spawn_unchecked::<ruffian::runner::run_check::{closure#1}, core::result::Result<alloc::vec::Vec<ruffian::ruff::Violation>, anyhow::Error>>::{closure#1}::{closure#0}
[INFO] [stdout]              at /rustc/33835004928d3bf65db4d4712e1330766263b0bd/library/std/src/thread/lifecycle.rs:70:13
[INFO] [stdout]    6: <core::panic::unwind_safe::AssertUnwindSafe<std::thread::lifecycle::spawn_unchecked<ruffian::runner::run_check::{closure#1}, core::result::Result<alloc::vec::Vec<ruffian::ruff::Violation>, anyhow::Error>>::{closure#1}::{closure#0}> as core::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]              at /rustc/33835004928d3bf65db4d4712e1330766263b0bd/library/core/src/panic/unwind_safe.rs:275:9
[INFO] [stdout]    7: std::panicking::catch_unwind::do_call::<core::panic::unwind_safe::AssertUnwindSafe<std::thread::lifecycle::spawn_unchecked<ruffian::runner::run_check::{closure#1}, core::result::Result<alloc::vec::Vec<ruffian::ruff::Violation>, anyhow::Error>>::{closure#1}::{closure#0}>, core::result::Result<alloc::vec::Vec<ruffian::ruff::Violation>, anyhow::Error>>
[INFO] [stdout]              at /rustc/33835004928d3bf65db4d4712e1330766263b0bd/library/std/src/panicking.rs:581:40
[INFO] [stdout]    8: __rust_try
[INFO] [stdout]    9: std::panicking::catch_unwind::<core::result::Result<alloc::vec::Vec<ruffian::ruff::Violation>, anyhow::Error>, core::panic::unwind_safe::AssertUnwindSafe<std::thread::lifecycle::spawn_unchecked<ruffian::runner::run_check::{closure#1}, core::result::Result<alloc::vec::Vec<ruffian::ruff::Violation>, anyhow::Error>>::{closure#1}::{closure#0}>>
[INFO] [stdout]              at /rustc/33835004928d3bf65db4d4712e1330766263b0bd/library/std/src/panicking.rs:544:19
[INFO] [stdout]   10: std::panic::catch_unwind::<core::panic::unwind_safe::AssertUnwindSafe<std::thread::lifecycle::spawn_unchecked<ruffian::runner::run_check::{closure#1}, core::result::Result<alloc::vec::Vec<ruffian::ruff::Violation>, anyhow::Error>>::{closure#1}::{closure#0}>, core::result::Result<alloc::vec::Vec<ruffian::ruff::Violation>, anyhow::Error>>
[INFO] [stdout]              at /rustc/33835004928d3bf65db4d4712e1330766263b0bd/library/std/src/panic.rs:359:14
[INFO] [stdout]   11: std::thread::lifecycle::spawn_unchecked::<ruffian::runner::run_check::{closure#1}, core::result::Result<alloc::vec::Vec<ruffian::ruff::Violation>, anyhow::Error>>::{closure#1}
[INFO] [stdout]              at /rustc/33835004928d3bf65db4d4712e1330766263b0bd/library/std/src/thread/lifecycle.rs:68:26
[INFO] [stdout]   12: <std::thread::lifecycle::spawn_unchecked<ruffian::runner::run_check::{closure#1}, core::result::Result<alloc::vec::Vec<ruffian::ruff::Violation>, anyhow::Error>>::{closure#1} as core::ops::function::FnOnce<()>>::call_once::{shim:vtable#0}
[INFO] [stdout]              at /rustc/33835004928d3bf65db4d4712e1330766263b0bd/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   13: <alloc::boxed::Box<dyn core::ops::function::FnOnce<(), Output = ()> + core::marker::Send> as core::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]              at /rustc/33835004928d3bf65db4d4712e1330766263b0bd/library/alloc/src/boxed.rs:2271:9
[INFO] [stdout]   14: <std::sys::thread::unix::Thread>::new::thread_start
[INFO] [stdout]              at /rustc/33835004928d3bf65db4d4712e1330766263b0bd/library/std/src/sys/thread/unix.rs:118:17
[INFO] [stdout]   15: <unknown>
[INFO] [stdout]   16: clone
[INFO] [stdout] ```
[INFO] [stdout] ```
[INFO] [stdout] command=`cd "/tmp/.tmpe7omEG" && "/opt/rustwide/target/debug/ruffian" "check" "/tmp/.tmpe7omEG/exact.py"`
[INFO] [stdout] code=1
[INFO] [stdout] stdout=""
[INFO] [stdout] stderr=```
[INFO] [stdout] Error: failed to spawn ruff — is it installed and on PATH?
[INFO] [stdout] 
[INFO] [stdout] Caused by:
[INFO] [stdout]     No such file or directory (os error 2)
[INFO] [stdout] 
[INFO] [stdout] Stack backtrace:
[INFO] [stdout]    0: <std::io::error::Error as anyhow::context::ext::StdError>::ext_context::<&str>
[INFO] [stdout]              at /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/anyhow-1.0.102/src/backtrace.rs:10:14
[INFO] [stdout]    1: <core::result::Result<std::process::Output, std::io::error::Error> as anyhow::Context<std::process::Output, std::io::error::Error>>::context::<&str>
[INFO] [stdout]              at /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/anyhow-1.0.102/src/context.rs:54:37
[INFO] [stdout]    2: ruffian::ruff::check
[INFO] [stdout]              at /opt/rustwide/workdir/src/ruff.rs:34:10
[INFO] [stdout]    3: ruffian::runner::run_check::{closure#1}
[INFO] [stdout]              at /opt/rustwide/workdir/src/runner.rs:44:9
[INFO] [stdout]    4: std::sys::backtrace::__rust_begin_short_backtrace::<ruffian::runner::run_check::{closure#1}, core::result::Result<alloc::vec::Vec<ruffian::ruff::Violation>, anyhow::Error>>
[INFO] [stdout]              at /rustc/33835004928d3bf65db4d4712e1330766263b0bd/library/std/src/sys/backtrace.rs:166:18
[INFO] [stdout]    5: std::thread::lifecycle::spawn_unchecked::<ruffian::runner::run_check::{closure#1}, core::result::Result<alloc::vec::Vec<ruffian::ruff::Violation>, anyhow::Error>>::{closure#1}::{closure#0}
[INFO] [stdout]              at /rustc/33835004928d3bf65db4d4712e1330766263b0bd/library/std/src/thread/lifecycle.rs:70:13
[INFO] [stdout]    6: <core::panic::unwind_safe::AssertUnwindSafe<std::thread::lifecycle::spawn_unchecked<ruffian::runner::run_check::{closure#1}, core::result::Result<alloc::vec::Vec<ruffian::ruff::Violation>, anyhow::Error>>::{closure#1}::{closure#0}> as core::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]              at /rustc/33835004928d3bf65db4d4712e1330766263b0bd/library/core/src/panic/unwind_safe.rs:275:9
[INFO] [stdout]    7: std::panicking::catch_unwind::do_call::<core::panic::unwind_safe::AssertUnwindSafe<std::thread::lifecycle::spawn_unchecked<ruffian::runner::run_check::{closure#1}, core::result::Result<alloc::vec::Vec<ruffian::ruff::Violation>, anyhow::Error>>::{closure#1}::{closure#0}>, core::result::Result<alloc::vec::Vec<ruffian::ruff::Violation>, anyhow::Error>>
[INFO] [stdout]              at /rustc/33835004928d3bf65db4d4712e1330766263b0bd/library/std/src/panicking.rs:581:40
[INFO] [stdout]    8: __rust_try
[INFO] [stdout]    9: std::panicking::catch_unwind::<core::result::Result<alloc::vec::Vec<ruffian::ruff::Violation>, anyhow::Error>, core::panic::unwind_safe::AssertUnwindSafe<std::thread::lifecycle::spawn_unchecked<ruffian::runner::run_check::{closure#1}, core::result::Result<alloc::vec::Vec<ruffian::ruff::Violation>, anyhow::Error>>::{closure#1}::{closure#0}>>
[INFO] [stdout]              at /rustc/33835004928d3bf65db4d4712e1330766263b0bd/library/std/src/panicking.rs:544:19
[INFO] [stdout]   10: std::panic::catch_unwind::<core::panic::unwind_safe::AssertUnwindSafe<std::thread::lifecycle::spawn_unchecked<ruffian::runner::run_check::{closure#1}, core::result::Result<alloc::vec::Vec<ruffian::ruff::Violation>, anyhow::Error>>::{closure#1}::{closure#0}>, core::result::Result<alloc::vec::Vec<ruffian::ruff::Violation>, anyhow::Error>>
[INFO] [stdout]              at /rustc/33835004928d3bf65db4d4712e1330766263b0bd/library/std/src/panic.rs:359:14
[INFO] [stdout]   11: std::thread::lifecycle::spawn_unchecked::<ruffian::runner::run_check::{closure#1}, core::result::Result<alloc::vec::Vec<ruffian::ruff::Violation>, anyhow::Error>>::{closure#1}
[INFO] [stdout]              at /rustc/33835004928d3bf65db4d4712e1330766263b0bd/library/std/src/thread/lifecycle.rs:68:26
[INFO] [stdout]   12: <std::thread::lifecycle::spawn_unchecked<ruffian::runner::run_check::{closure#1}, core::result::Result<alloc::vec::Vec<ruffian::ruff::Violation>, anyhow::Error>>::{closure#1} as core::ops::function::FnOnce<()>>::call_once::{shim:vtable#0}
[INFO] [stdout]              at /rustc/33835004928d3bf65db4d4712e1330766263b0bd/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   13: <alloc::boxed::Box<dyn core::ops::function::FnOnce<(), Output = ()> + core::marker::Send> as core::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]              at /rustc/33835004928d3bf65db4d4712e1330766263b0bd/library/alloc/src/boxed.rs:2271:9
[INFO] [stdout]   14: <std::sys::thread::unix::Thread>::new::thread_start
[INFO] [stdout]              at /rustc/33835004928d3bf65db4d4712e1330766263b0bd/library/std/src/sys/thread/unix.rs:118:17
[INFO] [stdout]   15: <unknown>
[INFO] [stdout]   16: clone
[INFO] [stdout] ```
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] stack backtrace:
[INFO] [stdout]    0:     0x65070e02b96a - std[ec419fa8110287d5]::backtrace_rs::backtrace::libunwind::trace
[INFO] [stdout]                                at /rustc/33835004928d3bf65db4d4712e1330766263b0bd/library/std/src/../../backtrace/src/backtrace/libunwind.rs:117:9
[INFO] [stdout]    1:     0x65070e02b96a - std[ec419fa8110287d5]::backtrace_rs::backtrace::trace_unsynchronized::<std[ec419fa8110287d5]::sys::backtrace::_print_fmt::{closure#1}>
[INFO] [stdout]                                at /rustc/33835004928d3bf65db4d4712e1330766263b0bd/library/std/src/../../backtrace/src/backtrace/mod.rs:66:14
[INFO] [stdout]    2:     0x65070e02b96a - std[ec419fa8110287d5]::sys::backtrace::_print_fmt
[INFO] [stdout]                                at /rustc/33835004928d3bf65db4d4712e1330766263b0bd/library/std/src/sys/backtrace.rs:74:9
[INFO] [stdout]    3:     0x65070e02b96a - <<std[ec419fa8110287d5]::sys::backtrace::BacktraceLock>::print::DisplayBacktrace as core[35159d6ffb30e017]::fmt::Display>::fmt
[INFO] [stdout]                                at /rustc/33835004928d3bf65db4d4712e1330766263b0bd/library/std/src/sys/backtrace.rs:44:26
[INFO] [stdout]    4:     0x65070e04218a - <core[35159d6ffb30e017]::fmt::rt::Argument>::fmt
[INFO] [stdout]                                at /rustc/33835004928d3bf65db4d4712e1330766263b0bd/library/core/src/fmt/rt.rs:152:76
[INFO] [stdout]    5:     0x65070e04218a - core[35159d6ffb30e017]::fmt::write
[INFO] [stdout]    6:     0x65070e0316f2 - std[ec419fa8110287d5]::io::default_write_fmt::<alloc[a8a7aba520129d98]::vec::Vec<u8>>
[INFO] [stdout]                                at /rustc/33835004928d3bf65db4d4712e1330766263b0bd/library/std/src/io/mod.rs:621:11
[INFO] [stdout]    7:     0x65070e0316f2 - <alloc[a8a7aba520129d98]::vec::Vec<u8> as std[ec419fa8110287d5]::io::Write>::write_fmt
[INFO] [stdout]                                at /rustc/33835004928d3bf65db4d4712e1330766263b0bd/library/std/src/io/mod.rs:1976:13
[INFO] [stdout]    8:     0x65070e00860f - <std[ec419fa8110287d5]::sys::backtrace::BacktraceLock>::print
[INFO] [stdout]                                at /rustc/33835004928d3bf65db4d4712e1330766263b0bd/library/std/src/sys/backtrace.rs:47:9
[INFO] [stdout]    9:     0x65070e00860f - std[ec419fa8110287d5]::panicking::default_hook::{closure#0}
[INFO] [stdout]                                at /rustc/33835004928d3bf65db4d4712e1330766263b0bd/library/std/src/panicking.rs:292:27
[INFO] [stdout]   10:     0x65070e023149 - std[ec419fa8110287d5]::panicking::default_hook
[INFO] [stdout]                                at /rustc/33835004928d3bf65db4d4712e1330766263b0bd/library/std/src/panicking.rs:316:9
[INFO] [stdout]   11:     0x65070df4552c - <alloc[a8a7aba520129d98]::boxed::Box<dyn for<'a, 'b> core[35159d6ffb30e017]::ops::function::Fn<(&'a std[ec419fa8110287d5]::panic::PanicHookInfo<'b>,), Output = ()> + core[35159d6ffb30e017]::marker::Sync + core[35159d6ffb30e017]::marker::Send> as core[35159d6ffb30e017]::ops::function::Fn<(&std[ec419fa8110287d5]::panic::PanicHookInfo,)>>::call
[INFO] [stdout]                                at /rustc/33835004928d3bf65db4d4712e1330766263b0bd/library/alloc/src/boxed.rs:2285:9
[INFO] [stdout]   12:     0x65070df4552c - test[a8007afcd3effadc]::test_main_inner::<test[a8007afcd3effadc]::test_main_static::{closure#0}>::{closure#0}
[INFO] [stdout]                                at /rustc/33835004928d3bf65db4d4712e1330766263b0bd/library/test/src/lib.rs:155:21
[INFO] [stdout]   13:     0x65070e023302 - <alloc[a8a7aba520129d98]::boxed::Box<dyn for<'a, 'b> core[35159d6ffb30e017]::ops::function::Fn<(&'a std[ec419fa8110287d5]::panic::PanicHookInfo<'b>,), Output = ()> + core[35159d6ffb30e017]::marker::Sync + core[35159d6ffb30e017]::marker::Send> as core[35159d6ffb30e017]::ops::function::Fn<(&std[ec419fa8110287d5]::panic::PanicHookInfo,)>>::call
[INFO] [stdout]                                at /rustc/33835004928d3bf65db4d4712e1330766263b0bd/library/alloc/src/boxed.rs:2285:9
[INFO] [stdout]   14:     0x65070e023302 - std[ec419fa8110287d5]::panicking::panic_with_hook
[INFO] [stdout]                                at /rustc/33835004928d3bf65db4d4712e1330766263b0bd/library/std/src/panicking.rs:833:13
[INFO] [stdout]   15:     0x65070e0086c8 - std[ec419fa8110287d5]::panicking::panic_handler::{closure#0}
[INFO] [stdout]                                at /rustc/33835004928d3bf65db4d4712e1330766263b0bd/library/std/src/panicking.rs:698:13
[INFO] [stdout]   16:     0x65070dfffe39 - std[ec419fa8110287d5]::sys::backtrace::__rust_end_short_backtrace::<std[ec419fa8110287d5]::panicking::panic_handler::{closure#0}, !>
[INFO] [stdout]                                at /rustc/33835004928d3bf65db4d4712e1330766263b0bd/library/std/src/sys/backtrace.rs:182:18
[INFO] [stdout]   17:     0x65070e00946d - __rustc[cfb3622dd870db93]::rust_begin_unwind
[INFO] [stdout]                                at /rustc/33835004928d3bf65db4d4712e1330766263b0bd/library/std/src/panicking.rs:689:5
[INFO] [stdout]   18:     0x65070e04299c - core[35159d6ffb30e017]::panicking::panic_fmt
[INFO] [stdout]                                at /rustc/33835004928d3bf65db4d4712e1330766263b0bd/library/core/src/panicking.rs:80:14
[INFO] [stdout]   19:     0x65070dfb0708 - core[35159d6ffb30e017]::panicking::panic_display::<assert_cmd[35950e0b123f7429]::assert::AssertError>
[INFO] [stdout]                                at /rustc/33835004928d3bf65db4d4712e1330766263b0bd/library/core/src/panicking.rs:259:5
[INFO] [stdout]   20:     0x65070dfae9f7 - <assert_cmd[35950e0b123f7429]::assert::AssertError>::panic::<assert_cmd[35950e0b123f7429]::assert::Assert>
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/assert_cmd-2.2.1/src/assert.rs:1036:9
[INFO] [stdout]   21:     0x65070dfb42b7 - <<assert_cmd[35950e0b123f7429]::assert::AssertError>::panic<assert_cmd[35950e0b123f7429]::assert::Assert> as core[35159d6ffb30e017]::ops::function::FnOnce<(assert_cmd[35950e0b123f7429]::assert::AssertError,)>>::call_once
[INFO] [stdout]                                at /rustc/33835004928d3bf65db4d4712e1330766263b0bd/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   22:     0x65070dfb4634 - <core[35159d6ffb30e017]::result::Result<assert_cmd[35950e0b123f7429]::assert::Assert, assert_cmd[35950e0b123f7429]::assert::AssertError>>::unwrap_or_else::<<assert_cmd[35950e0b123f7429]::assert::AssertError>::panic<assert_cmd[35950e0b123f7429]::assert::Assert>>
[INFO] [stdout]                                at /rustc/33835004928d3bf65db4d4712e1330766263b0bd/library/core/src/result.rs:1622:23
[INFO] [stdout]   23:     0x65070dfb1f90 - <assert_cmd[35950e0b123f7429]::assert::Assert>::success
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/assert_cmd-2.2.1/src/assert.rs:161:28
[INFO] [stdout]   24:     0x65070df308ed - integration[c26367521ce6f8e0]::plc0302_does_not_fire_at_exact_limit
[INFO] [stdout]                                at /opt/rustwide/workdir/tests/integration/test_check.rs:78:10
[INFO] [stdout]   25:     0x65070df2dae7 - integration[c26367521ce6f8e0]::plc0302_does_not_fire_at_exact_limit::{closure#0}
[INFO] [stdout]                                at /opt/rustwide/workdir/tests/integration/test_check.rs:61:42
[INFO] [stdout]   26:     0x65070df382e6 - <integration[c26367521ce6f8e0]::plc0302_does_not_fire_at_exact_limit::{closure#0} as core[35159d6ffb30e017]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]                                at /rustc/33835004928d3bf65db4d4712e1330766263b0bd/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   27:     0x65070df3880b - <fn() -> core[35159d6ffb30e017]::result::Result<(), alloc[a8a7aba520129d98]::string::String> as core[35159d6ffb30e017]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]                                at /rustc/33835004928d3bf65db4d4712e1330766263b0bd/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   28:     0x65070df3880b - test[a8007afcd3effadc]::__rust_begin_short_backtrace::<core[35159d6ffb30e017]::result::Result<(), alloc[a8a7aba520129d98]::string::String>, fn() -> core[35159d6ffb30e017]::result::Result<(), alloc[a8a7aba520129d98]::string::String>>
[INFO] [stdout]                                at /rustc/33835004928d3bf65db4d4712e1330766263b0bd/library/test/src/lib.rs:724:18
[INFO] [stdout]   29:     0x65070df45ffb - test[a8007afcd3effadc]::run_test_in_process::{closure#0}
[INFO] [stdout]                                at /rustc/33835004928d3bf65db4d4712e1330766263b0bd/library/test/src/lib.rs:747:74
[INFO] [stdout]   30:     0x65070df45ffb - <core[35159d6ffb30e017]::panic::unwind_safe::AssertUnwindSafe<test[a8007afcd3effadc]::run_test_in_process::{closure#0}> as core[35159d6ffb30e017]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]                                at /rustc/33835004928d3bf65db4d4712e1330766263b0bd/library/core/src/panic/unwind_safe.rs:275:9
[INFO] [stdout]   31:     0x65070df45ffb - std[ec419fa8110287d5]::panicking::catch_unwind::do_call::<core[35159d6ffb30e017]::panic::unwind_safe::AssertUnwindSafe<test[a8007afcd3effadc]::run_test_in_process::{closure#0}>, core[35159d6ffb30e017]::result::Result<(), alloc[a8a7aba520129d98]::string::String>>
[INFO] [stdout]                                at /rustc/33835004928d3bf65db4d4712e1330766263b0bd/library/std/src/panicking.rs:581:40
[INFO] [stdout]   32:     0x65070df45ffb - std[ec419fa8110287d5]::panicking::catch_unwind::<core[35159d6ffb30e017]::result::Result<(), alloc[a8a7aba520129d98]::string::String>, core[35159d6ffb30e017]::panic::unwind_safe::AssertUnwindSafe<test[a8007afcd3effadc]::run_test_in_process::{closure#0}>>
[INFO] [stdout]                                at /rustc/33835004928d3bf65db4d4712e1330766263b0bd/library/std/src/panicking.rs:544:19
[INFO] [stdout]   33:     0x65070df45ffb - std[ec419fa8110287d5]::panic::catch_unwind::<core[35159d6ffb30e017]::panic::unwind_safe::AssertUnwindSafe<test[a8007afcd3effadc]::run_test_in_process::{closure#0}>, core[35159d6ffb30e017]::result::Result<(), alloc[a8a7aba520129d98]::string::String>>
[INFO] [stdout]                                at /rustc/33835004928d3bf65db4d4712e1330766263b0bd/library/std/src/panic.rs:359:14
[INFO] [stdout]   34:     0x65070df45ffb - test[a8007afcd3effadc]::run_test_in_process
[INFO] [stdout]                                at /rustc/33835004928d3bf65db4d4712e1330766263b0bd/library/test/src/lib.rs:747:27
[INFO] [stdout]   35:     0x65070df45ffb - test[a8007afcd3effadc]::run_test::{closure#0}
[INFO] [stdout]                                at /rustc/33835004928d3bf65db4d4712e1330766263b0bd/library/test/src/lib.rs:668:43
[INFO] [stdout]   36:     0x65070df409d4 - test[a8007afcd3effadc]::run_test::{closure#1}
[INFO] [stdout]                                at /rustc/33835004928d3bf65db4d4712e1330766263b0bd/library/test/src/lib.rs:698:41
[INFO] [stdout]   37:     0x65070df409d4 - std[ec419fa8110287d5]::sys::backtrace::__rust_begin_short_backtrace::<test[a8007afcd3effadc]::run_test::{closure#1}, ()>
[INFO] [stdout]                                at /rustc/33835004928d3bf65db4d4712e1330766263b0bd/library/std/src/sys/backtrace.rs:166:18
[INFO] [stdout]   38:     0x65070df48c02 - std[ec419fa8110287d5]::thread::lifecycle::spawn_unchecked::<test[a8007afcd3effadc]::run_test::{closure#1}, ()>::{closure#1}::{closure#0}
[INFO] [stdout]                                at /rustc/33835004928d3bf65db4d4712e1330766263b0bd/library/std/src/thread/lifecycle.rs:70:13
[INFO] [stdout]   39:     0x65070df48c02 - <core[35159d6ffb30e017]::panic::unwind_safe::AssertUnwindSafe<std[ec419fa8110287d5]::thread::lifecycle::spawn_unchecked<test[a8007afcd3effadc]::run_test::{closure#1}, ()>::{closure#1}::{closure#0}> as core[35159d6ffb30e017]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]                                at /rustc/33835004928d3bf65db4d4712e1330766263b0bd/library/core/src/panic/unwind_safe.rs:275:9
[INFO] [stdout]   40:     0x65070df48c02 - std[ec419fa8110287d5]::panicking::catch_unwind::do_call::<core[35159d6ffb30e017]::panic::unwind_safe::AssertUnwindSafe<std[ec419fa8110287d5]::thread::lifecycle::spawn_unchecked<test[a8007afcd3effadc]::run_test::{closure#1}, ()>::{closure#1}::{closure#0}>, ()>
[INFO] [stdout]                                at /rustc/33835004928d3bf65db4d4712e1330766263b0bd/library/std/src/panicking.rs:581:40
[INFO] [stdout]   41:     0x65070df48c02 - std[ec419fa8110287d5]::panicking::catch_unwind::<(), core[35159d6ffb30e017]::panic::unwind_safe::AssertUnwindSafe<std[ec419fa8110287d5]::thread::lifecycle::spawn_unchecked<test[a8007afcd3effadc]::run_test::{closure#1}, ()>::{closure#1}::{closure#0}>>
[INFO] [stdout]                                at /rustc/33835004928d3bf65db4d4712e1330766263b0bd/library/std/src/panicking.rs:544:19
[INFO] [stdout]   42:     0x65070df48c02 - std[ec419fa8110287d5]::panic::catch_unwind::<core[35159d6ffb30e017]::panic::unwind_safe::AssertUnwindSafe<std[ec419fa8110287d5]::thread::lifecycle::spawn_unchecked<test[a8007afcd3effadc]::run_test::{closure#1}, ()>::{closure#1}::{closure#0}>, ()>
[INFO] [stdout]                                at /rustc/33835004928d3bf65db4d4712e1330766263b0bd/library/std/src/panic.rs:359:14
[INFO] [stdout]   43:     0x65070df48c02 - std[ec419fa8110287d5]::thread::lifecycle::spawn_unchecked::<test[a8007afcd3effadc]::run_test::{closure#1}, ()>::{closure#1}
[INFO] [stdout]                                at /rustc/33835004928d3bf65db4d4712e1330766263b0bd/library/std/src/thread/lifecycle.rs:68:26
[INFO] [stdout]   44:     0x65070df48c02 - <std[ec419fa8110287d5]::thread::lifecycle::spawn_unchecked<test[a8007afcd3effadc]::run_test::{closure#1}, ()>::{closure#1} as core[35159d6ffb30e017]::ops::function::FnOnce<()>>::call_once::{shim:vtable#0}
[INFO] [stdout]                                at /rustc/33835004928d3bf65db4d4712e1330766263b0bd/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   45:     0x65070e02acdf - <alloc[a8a7aba520129d98]::boxed::Box<dyn core[35159d6ffb30e017]::ops::function::FnOnce<(), Output = ()> + core[35159d6ffb30e017]::marker::Send> as core[35159d6ffb30e017]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]                                at /rustc/33835004928d3bf65db4d4712e1330766263b0bd/library/alloc/src/boxed.rs:2271:9
[INFO] [stdout]   46:     0x65070e02acdf - <std[ec419fa8110287d5]::sys::thread::unix::Thread>::new::thread_start
[INFO] [stdout]                                at /rustc/33835004928d3bf65db4d4712e1330766263b0bd/library/std/src/sys/thread/unix.rs:118:17
[INFO] [stdout]   47:     0x79f6b45d8aa4 - <unknown>
[INFO] [stdout]   48:     0x79f6b4665a64 - clone
[INFO] [stdout]   49:                0x0 - <unknown>
[INFO] [stdout] 
[INFO] [stdout] ---- check_clean_file_exits_zero stdout ----
[INFO] [stdout] 
[INFO] [stdout] thread 'check_clean_file_exits_zero' (28) panicked at /rustc/33835004928d3bf65db4d4712e1330766263b0bd/library/core/src/ops/function.rs:250:5:
[INFO] [stdout] Unexpected failure.
[INFO] [stdout] code=1
[INFO] [stdout] stderr=``````
[INFO] [stdout] Error: failed to spawn ruff — is it installed and on PATH?
[INFO] [stdout] 
[INFO] [stdout] Caused by:
[INFO] [stdout]     No such file or directory (os error 2)
[INFO] [stdout] 
[INFO] [stdout] Stack backtrace:
[INFO] [stdout]    0: <std::io::error::Error as anyhow::context::ext::StdError>::ext_context::<&str>
[INFO] [stdout]              at /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/anyhow-1.0.102/src/backtrace.rs:10:14
[INFO] [stdout]    1: <core::result::Result<std::process::Output, std::io::error::Error> as anyhow::Context<std::process::Output, std::io::error::Error>>::context::<&str>
[INFO] [stdout]              at /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/anyhow-1.0.102/src/context.rs:54:37
[INFO] [stdout]    2: ruffian::ruff::check
[INFO] [stdout]              at ./src/ruff.rs:34:10
[INFO] [stdout]    3: ruffian::runner::run_check::{closure#1}
[INFO] [stdout]              at ./src/runner.rs:44:9
[INFO] [stdout]    4: std::sys::backtrace::__rust_begin_short_backtrace::<ruffian::runner::run_check::{closure#1}, core::result::Result<alloc::vec::Vec<ruffian::ruff::Violation>, anyhow::Error>>
[INFO] [stdout]              at /rustc/33835004928d3bf65db4d4712e1330766263b0bd/library/std/src/sys/backtrace.rs:166:18
[INFO] [stdout]    5: std::thread::lifecycle::spawn_unchecked::<ruffian::runner::run_check::{closure#1}, core::result::Result<alloc::vec::Vec<ruffian::ruff::Violation>, anyhow::Error>>::{closure#1}::{closure#0}
[INFO] [stdout]              at /rustc/33835004928d3bf65db4d4712e1330766263b0bd/library/std/src/thread/lifecycle.rs:70:13
[INFO] [stdout]    6: <core::panic::unwind_safe::AssertUnwindSafe<std::thread::lifecycle::spawn_unchecked<ruffian::runner::run_check::{closure#1}, core::result::Result<alloc::vec::Vec<ruffian::ruff::Violation>, anyhow::Error>>::{closure#1}::{closure#0}> as core::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]              at /rustc/33835004928d3bf65db4d4712e1330766263b0bd/library/core/src/panic/unwind_safe.rs:275:9
[INFO] [stdout]    7: std::panicking::catch_unwind::do_call::<core::panic::unwind_safe::AssertUnwindSafe<std::thread::lifecycle::spawn_unchecked<ruffian::runner::run_check::{closure#1}, core::result::Result<alloc::vec::Vec<ruffian::ruff::Violation>, anyhow::Error>>::{closure#1}::{closure#0}>, core::result::Result<alloc::vec::Vec<ruffian::ruff::Violation>, anyhow::Error>>
[INFO] [stdout]              at /rustc/33835004928d3bf65db4d4712e1330766263b0bd/library/std/src/panicking.rs:581:40
[INFO] [stdout]    8: __rust_try
[INFO] [stdout]    9: std::panicking::catch_unwind::<core::result::Result<alloc::vec::Vec<ruffian::ruff::Violation>, anyhow::Error>, core::panic::unwind_safe::AssertUnwindSafe<std::thread::lifecycle::spawn_unchecked<ruffian::runner::run_check::{closure#1}, core::result::Result<alloc::vec::Vec<ruffian::ruff::Violation>, anyhow::Error>>::{closure#1}::{closure#0}>>
[INFO] [stdout]              at /rustc/33835004928d3bf65db4d4712e1330766263b0bd/library/std/src/panicking.rs:544:19
[INFO] [stdout]   10: std::panic::catch_unwind::<core::panic::unwind_safe::AssertUnwindSafe<std::thread::lifecycle::spawn_unchecked<ruffian::runner::run_check::{closure#1}, core::result::Result<alloc::vec::Vec<ruffian::ruff::Violation>, anyhow::Error>>::{closure#1}::{closure#0}>, core::result::Result<alloc::vec::Vec<ruffian::ruff::Violation>, anyhow::Error>>
[INFO] [stdout]              at /rustc/33835004928d3bf65db4d4712e1330766263b0bd/library/std/src/panic.rs:359:14
[INFO] [stdout]   11: std::thread::lifecycle::spawn_unchecked::<ruffian::runner::run_check::{closure#1}, core::result::Result<alloc::vec::Vec<ruffian::ruff::Violation>, anyhow::Error>>::{closure#1}
[INFO] [stdout]              at /rustc/33835004928d3bf65db4d4712e1330766263b0bd/library/std/src/thread/lifecycle.rs:68:26
[INFO] [stdout]   12: <std::thread::lifecycle::spawn_unchecked<ruffian::runner::run_check::{closure#1}, core::result::Result<alloc::vec::Vec<ruffian::ruff::Violation>, anyhow::Error>>::{closure#1} as core::ops::function::FnOnce<()>>::call_once::{shim:vtable#0}
[INFO] [stdout]              at /rustc/33835004928d3bf65db4d4712e1330766263b0bd/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   13: <alloc::boxed::Box<dyn core::ops::function::FnOnce<(), Output = ()> + core::marker::Send> as core::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]              at /rustc/33835004928d3bf65db4d4712e1330766263b0bd/library/alloc/src/boxed.rs:2271:9
[INFO] [stdout]   14: <std::sys::thread::unix::Thread>::new::thread_start
[INFO] [stdout]              at /rustc/33835004928d3bf65db4d4712e1330766263b0bd/library/std/src/sys/thread/unix.rs:118:17
[INFO] [stdout]   15: <unknown>
[INFO] [stdout]   16: clone
[INFO] [stdout] ```
[INFO] [stdout] ```
[INFO] [stdout] command=`"/opt/rustwide/target/debug/ruffian" "check" "/tmp/.tmpeZOJsv/clean.py"`
[INFO] [stdout] code=1
[INFO] [stdout] stdout=""
[INFO] [stdout] stderr=```
[INFO] [stdout] Error: failed to spawn ruff — is it installed and on PATH?
[INFO] [stdout] 
[INFO] [stdout] Caused by:
[INFO] [stdout]     No such file or directory (os error 2)
[INFO] [stdout] 
[INFO] [stdout] Stack backtrace:
[INFO] [stdout]    0: <std::io::error::Error as anyhow::context::ext::StdError>::ext_context::<&str>
[INFO] [stdout]              at /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/anyhow-1.0.102/src/backtrace.rs:10:14
[INFO] [stdout]    1: <core::result::Result<std::process::Output, std::io::error::Error> as anyhow::Context<std::process::Output, std::io::error::Error>>::context::<&str>
[INFO] [stdout]              at /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/anyhow-1.0.102/src/context.rs:54:37
[INFO] [stdout]    2: ruffian::ruff::check
[INFO] [stdout]              at ./src/ruff.rs:34:10
[INFO] [stdout]    3: ruffian::runner::run_check::{closure#1}
[INFO] [stdout]              at ./src/runner.rs:44:9
[INFO] [stdout]    4: std::sys::backtrace::__rust_begin_short_backtrace::<ruffian::runner::run_check::{closure#1}, core::result::Result<alloc::vec::Vec<ruffian::ruff::Violation>, anyhow::Error>>
[INFO] [stdout]              at /rustc/33835004928d3bf65db4d4712e1330766263b0bd/library/std/src/sys/backtrace.rs:166:18
[INFO] [stdout]    5: std::thread::lifecycle::spawn_unchecked::<ruffian::runner::run_check::{closure#1}, core::result::Result<alloc::vec::Vec<ruffian::ruff::Violation>, anyhow::Error>>::{closure#1}::{closure#0}
[INFO] [stdout]              at /rustc/33835004928d3bf65db4d4712e1330766263b0bd/library/std/src/thread/lifecycle.rs:70:13
[INFO] [stdout]    6: <core::panic::unwind_safe::AssertUnwindSafe<std::thread::lifecycle::spawn_unchecked<ruffian::runner::run_check::{closure#1}, core::result::Result<alloc::vec::Vec<ruffian::ruff::Violation>, anyhow::Error>>::{closure#1}::{closure#0}> as core::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]              at /rustc/33835004928d3bf65db4d4712e1330766263b0bd/library/core/src/panic/unwind_safe.rs:275:9
[INFO] [stdout]    7: std::panicking::catch_unwind::do_call::<core::panic::unwind_safe::AssertUnwindSafe<std::thread::lifecycle::spawn_unchecked<ruffian::runner::run_check::{closure#1}, core::result::Result<alloc::vec::Vec<ruffian::ruff::Violation>, anyhow::Error>>::{closure#1}::{closure#0}>, core::result::Result<alloc::vec::Vec<ruffian::ruff::Violation>, anyhow::Error>>
[INFO] [stdout]              at /rustc/33835004928d3bf65db4d4712e1330766263b0bd/library/std/src/panicking.rs:581:40
[INFO] [stdout]    8: __rust_try
[INFO] [stdout]    9: std::panicking::catch_unwind::<core::result::Result<alloc::vec::Vec<ruffian::ruff::Violation>, anyhow::Error>, core::panic::unwind_safe::AssertUnwindSafe<std::thread::lifecycle::spawn_unchecked<ruffian::runner::run_check::{closure#1}, core::result::Result<alloc::vec::Vec<ruffian::ruff::Violation>, anyhow::Error>>::{closure#1}::{closure#0}>>
[INFO] [stdout]              at /rustc/33835004928d3bf65db4d4712e1330766263b0bd/library/std/src/panicking.rs:544:19
[INFO] [stdout]   10: std::panic::catch_unwind::<core::panic::unwind_safe::AssertUnwindSafe<std::thread::lifecycle::spawn_unchecked<ruffian::runner::run_check::{closure#1}, core::result::Result<alloc::vec::Vec<ruffian::ruff::Violation>, anyhow::Error>>::{closure#1}::{closure#0}>, core::result::Result<alloc::vec::Vec<ruffian::ruff::Violation>, anyhow::Error>>
[INFO] [stdout]              at /rustc/33835004928d3bf65db4d4712e1330766263b0bd/library/std/src/panic.rs:359:14
[INFO] [stdout]   11: std::thread::lifecycle::spawn_unchecked::<ruffian::runner::run_check::{closure#1}, core::result::Result<alloc::vec::Vec<ruffian::ruff::Violation>, anyhow::Error>>::{closure#1}
[INFO] [stdout]              at /rustc/33835004928d3bf65db4d4712e1330766263b0bd/library/std/src/thread/lifecycle.rs:68:26
[INFO] [stdout]   12: <std::thread::lifecycle::spawn_unchecked<ruffian::runner::run_check::{closure#1}, core::result::Result<alloc::vec::Vec<ruffian::ruff::Violation>, anyhow::Error>>::{closure#1} as core::ops::function::FnOnce<()>>::call_once::{shim:vtable#0}
[INFO] [stdout]              at /rustc/33835004928d3bf65db4d4712e1330766263b0bd/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   13: <alloc::boxed::Box<dyn core::ops::function::FnOnce<(), Output = ()> + core::marker::Send> as core::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]              at /rustc/33835004928d3bf65db4d4712e1330766263b0bd/library/alloc/src/boxed.rs:2271:9
[INFO] [stdout]   14: <std::sys::thread::unix::Thread>::new::thread_start
[INFO] [stdout]              at /rustc/33835004928d3bf65db4d4712e1330766263b0bd/library/std/src/sys/thread/unix.rs:118:17
[INFO] [stdout]   15: <unknown>
[INFO] [stdout]   16: clone
[INFO] [stdout] ```
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] stack backtrace:
[INFO] [stdout]    0:     0x65070e02b96a - std[ec419fa8110287d5]::backtrace_rs::backtrace::libunwind::trace
[INFO] [stdout]                                at /rustc/33835004928d3bf65db4d4712e1330766263b0bd/library/std/src/../../backtrace/src/backtrace/libunwind.rs:117:9
[INFO] [stdout]    1:     0x65070e02b96a - std[ec419fa8110287d5]::backtrace_rs::backtrace::trace_unsynchronized::<std[ec419fa8110287d5]::sys::backtrace::_print_fmt::{closure#1}>
[INFO] [stdout]                                at /rustc/33835004928d3bf65db4d4712e1330766263b0bd/library/std/src/../../backtrace/src/backtrace/mod.rs:66:14
[INFO] [stdout]    2:     0x65070e02b96a - std[ec419fa8110287d5]::sys::backtrace::_print_fmt
[INFO] [stdout]                                at /rustc/33835004928d3bf65db4d4712e1330766263b0bd/library/std/src/sys/backtrace.rs:74:9
[INFO] [stdout]    3:     0x65070e02b96a - <<std[ec419fa8110287d5]::sys::backtrace::BacktraceLock>::print::DisplayBacktrace as core[35159d6ffb30e017]::fmt::Display>::fmt
[INFO] [stdout]                                at /rustc/33835004928d3bf65db4d4712e1330766263b0bd/library/std/src/sys/backtrace.rs:44:26
[INFO] [stdout]    4:     0x65070e04218a - <core[35159d6ffb30e017]::fmt::rt::Argument>::fmt
[INFO] [stdout]                                at /rustc/33835004928d3bf65db4d4712e1330766263b0bd/library/core/src/fmt/rt.rs:152:76
[INFO] [stdout]    5:     0x65070e04218a - core[35159d6ffb30e017]::fmt::write
[INFO] [stdout]    6:     0x65070e0316f2 - std[ec419fa8110287d5]::io::default_write_fmt::<alloc[a8a7aba520129d98]::vec::Vec<u8>>
[INFO] [stdout]                                at /rustc/33835004928d3bf65db4d4712e1330766263b0bd/library/std/src/io/mod.rs:621:11
[INFO] [stdout]    7:     0x65070e0316f2 - <alloc[a8a7aba520129d98]::vec::Vec<u8> as std[ec419fa8110287d5]::io::Write>::write_fmt
[INFO] [stdout]                                at /rustc/33835004928d3bf65db4d4712e1330766263b0bd/library/std/src/io/mod.rs:1976:13
[INFO] [stdout]    8:     0x65070e00860f - <std[ec419fa8110287d5]::sys::backtrace::BacktraceLock>::print
[INFO] [stdout]                                at /rustc/33835004928d3bf65db4d4712e1330766263b0bd/library/std/src/sys/backtrace.rs:47:9
[INFO] [stdout]    9:     0x65070e00860f - std[ec419fa8110287d5]::panicking::default_hook::{closure#0}
[INFO] [stdout]                                at /rustc/33835004928d3bf65db4d4712e1330766263b0bd/library/std/src/panicking.rs:292:27
[INFO] [stdout]   10:     0x65070e023149 - std[ec419fa8110287d5]::panicking::default_hook
[INFO] [stdout]                                at /rustc/33835004928d3bf65db4d4712e1330766263b0bd/library/std/src/panicking.rs:316:9
[INFO] [stdout]   11:     0x65070df4552c - <alloc[a8a7aba520129d98]::boxed::Box<dyn for<'a, 'b> core[35159d6ffb30e017]::ops::function::Fn<(&'a std[ec419fa8110287d5]::panic::PanicHookInfo<'b>,), Output = ()> + core[35159d6ffb30e017]::marker::Sync + core[35159d6ffb30e017]::marker::Send> as core[35159d6ffb30e017]::ops::function::Fn<(&std[ec419fa8110287d5]::panic::PanicHookInfo,)>>::call
[INFO] [stdout]                                at /rustc/33835004928d3bf65db4d4712e1330766263b0bd/library/alloc/src/boxed.rs:2285:9
[INFO] [stdout]   12:     0x65070df4552c - test[a8007afcd3effadc]::test_main_inner::<test[a8007afcd3effadc]::test_main_static::{closure#0}>::{closure#0}
[INFO] [stdout]                                at /rustc/33835004928d3bf65db4d4712e1330766263b0bd/library/test/src/lib.rs:155:21
[INFO] [stdout]   13:     0x65070e023302 - <alloc[a8a7aba520129d98]::boxed::Box<dyn for<'a, 'b> core[35159d6ffb30e017]::ops::function::Fn<(&'a std[ec419fa8110287d5]::panic::PanicHookInfo<'b>,), Output = ()> + core[35159d6ffb30e017]::marker::Sync + core[35159d6ffb30e017]::marker::Send> as core[35159d6ffb30e017]::ops::function::Fn<(&std[ec419fa8110287d5]::panic::PanicHookInfo,)>>::call
[INFO] [stdout]                                at /rustc/33835004928d3bf65db4d4712e1330766263b0bd/library/alloc/src/boxed.rs:2285:9
[INFO] [stdout]   14:     0x65070e023302 - std[ec419fa8110287d5]::panicking::panic_with_hook
[INFO] [stdout]                                at /rustc/33835004928d3bf65db4d4712e1330766263b0bd/library/std/src/panicking.rs:833:13
[INFO] [stdout]   15:     0x65070e0086c8 - std[ec419fa8110287d5]::panicking::panic_handler::{closure#0}
[INFO] [stdout]                                at /rustc/33835004928d3bf65db4d4712e1330766263b0bd/library/std/src/panicking.rs:698:13
[INFO] [stdout]   16:     0x65070dfffe39 - std[ec419fa8110287d5]::sys::backtrace::__rust_end_short_backtrace::<std[ec419fa8110287d5]::panicking::panic_handler::{closure#0}, !>
[INFO] [stdout]                                at /rustc/33835004928d3bf65db4d4712e1330766263b0bd/library/std/src/sys/backtrace.rs:182:18
[INFO] [stdout]   17:     0x65070e00946d - __rustc[cfb3622dd870db93]::rust_begin_unwind
[INFO] [stdout]                                at /rustc/33835004928d3bf65db4d4712e1330766263b0bd/library/std/src/panicking.rs:689:5
[INFO] [stdout]   18:     0x65070e04299c - core[35159d6ffb30e017]::panicking::panic_fmt
[INFO] [stdout]                                at /rustc/33835004928d3bf65db4d4712e1330766263b0bd/library/core/src/panicking.rs:80:14
[INFO] [stdout]   19:     0x65070dfb0708 - core[35159d6ffb30e017]::panicking::panic_display::<assert_cmd[35950e0b123f7429]::assert::AssertError>
[INFO] [stdout]                                at /rustc/33835004928d3bf65db4d4712e1330766263b0bd/library/core/src/panicking.rs:259:5
[INFO] [stdout]   20:     0x65070dfae9f7 - <assert_cmd[35950e0b123f7429]::assert::AssertError>::panic::<assert_cmd[35950e0b123f7429]::assert::Assert>
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/assert_cmd-2.2.1/src/assert.rs:1036:9
[INFO] [stdout]   21:     0x65070dfb42b7 - <<assert_cmd[35950e0b123f7429]::assert::AssertError>::panic<assert_cmd[35950e0b123f7429]::assert::Assert> as core[35159d6ffb30e017]::ops::function::FnOnce<(assert_cmd[35950e0b123f7429]::assert::AssertError,)>>::call_once
[INFO] [stdout]                                at /rustc/33835004928d3bf65db4d4712e1330766263b0bd/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   22:     0x65070dfb4634 - <core[35159d6ffb30e017]::result::Result<assert_cmd[35950e0b123f7429]::assert::Assert, assert_cmd[35950e0b123f7429]::assert::AssertError>>::unwrap_or_else::<<assert_cmd[35950e0b123f7429]::assert::AssertError>::panic<assert_cmd[35950e0b123f7429]::assert::Assert>>
[INFO] [stdout]                                at /rustc/33835004928d3bf65db4d4712e1330766263b0bd/library/core/src/result.rs:1622:23
[INFO] [stdout]   23:     0x65070dfb1f90 - <assert_cmd[35950e0b123f7429]::assert::Assert>::success
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/assert_cmd-2.2.1/src/assert.rs:161:28
[INFO] [stdout]   24:     0x65070df2fa4a - integration[c26367521ce6f8e0]::check_clean_file_exits_zero
[INFO] [stdout]                                at /opt/rustwide/workdir/tests/integration/test_check.rs:37:10
[INFO] [stdout]   25:     0x65070df2da57 - integration[c26367521ce6f8e0]::check_clean_file_exits_zero::{closure#0}
[INFO] [stdout]                                at /opt/rustwide/workdir/tests/integration/test_check.rs:29:33
[INFO] [stdout]   26:     0x65070df38226 - <integration[c26367521ce6f8e0]::check_clean_file_exits_zero::{closure#0} as core[35159d6ffb30e017]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]                                at /rustc/33835004928d3bf65db4d4712e1330766263b0bd/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   27:     0x65070df3880b - <fn() -> core[35159d6ffb30e017]::result::Result<(), alloc[a8a7aba520129d98]::string::String> as core[35159d6ffb30e017]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]                                at /rustc/33835004928d3bf65db4d4712e1330766263b0bd/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   28:     0x65070df3880b - test[a8007afcd3effadc]::__rust_begin_short_backtrace::<core[35159d6ffb30e017]::result::Result<(), alloc[a8a7aba520129d98]::string::String>, fn() -> core[35159d6ffb30e017]::result::Result<(), alloc[a8a7aba520129d98]::string::String>>
[INFO] [stdout]                                at /rustc/33835004928d3bf65db4d4712e1330766263b0bd/library/test/src/lib.rs:724:18
[INFO] [stdout]   29:     0x65070df45ffb - test[a8007afcd3effadc]::run_test_in_process::{closure#0}
[INFO] [stdout]                                at /rustc/33835004928d3bf65db4d4712e1330766263b0bd/library/test/src/lib.rs:747:74
[INFO] [stdout]   30:     0x65070df45ffb - <core[35159d6ffb30e017]::panic::unwind_safe::AssertUnwindSafe<test[a8007afcd3effadc]::run_test_in_process::{closure#0}> as core[35159d6ffb30e017]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]                                at /rustc/33835004928d3bf65db4d4712e1330766263b0bd/library/core/src/panic/unwind_safe.rs:275:9
[INFO] [stdout]   31:     0x65070df45ffb - std[ec419fa8110287d5]::panicking::catch_unwind::do_call::<core[35159d6ffb30e017]::panic::unwind_safe::AssertUnwindSafe<test[a8007afcd3effadc]::run_test_in_process::{closure#0}>, core[35159d6ffb30e017]::result::Result<(), alloc[a8a7aba520129d98]::string::String>>
[INFO] [stdout]                                at /rustc/33835004928d3bf65db4d4712e1330766263b0bd/library/std/src/panicking.rs:581:40
[INFO] [stdout]   32:     0x65070df45ffb - std[ec419fa8110287d5]::panicking::catch_unwind::<core[35159d6ffb30e017]::result::Result<(), alloc[a8a7aba520129d98]::string::String>, core[35159d6ffb30e017]::panic::unwind_safe::AssertUnwindSafe<test[a8007afcd3effadc]::run_test_in_process::{closure#0}>>
[INFO] [stdout]                                at /rustc/33835004928d3bf65db4d4712e1330766263b0bd/library/std/src/panicking.rs:544:19
[INFO] [stdout]   33:     0x65070df45ffb - std[ec419fa8110287d5]::panic::catch_unwind::<core[35159d6ffb30e017]::panic::unwind_safe::AssertUnwindSafe<test[a8007afcd3effadc]::run_test_in_process::{closure#0}>, core[35159d6ffb30e017]::result::Result<(), alloc[a8a7aba520129d98]::string::String>>
[INFO] [stdout]                                at /rustc/33835004928d3bf65db4d4712e1330766263b0bd/library/std/src/panic.rs:359:14
[INFO] [stdout]   34:     0x65070df45ffb - test[a8007afcd3effadc]::run_test_in_process
[INFO] [stdout]                                at /rustc/33835004928d3bf65db4d4712e1330766263b0bd/library/test/src/lib.rs:747:27
[INFO] [stdout]   35:     0x65070df45ffb - test[a8007afcd3effadc]::run_test::{closure#0}
[INFO] [stdout]                                at /rustc/33835004928d3bf65db4d4712e1330766263b0bd/library/test/src/lib.rs:668:43
[INFO] [stdout]   36:     0x65070df409d4 - test[a8007afcd3effadc]::run_test::{closure#1}
[INFO] [stdout]                                at /rustc/33835004928d3bf65db4d4712e1330766263b0bd/library/test/src/lib.rs:698:41
[INFO] [stdout]   37:     0x65070df409d4 - std[ec419fa8110287d5]::sys::backtrace::__rust_begin_short_backtrace::<test[a8007afcd3effadc]::run_test::{closure#1}, ()>
[INFO] [stdout]                                at /rustc/33835004928d3bf65db4d4712e1330766263b0bd/library/std/src/sys/backtrace.rs:166:18
[INFO] [stdout]   38:     0x65070df48c02 - std[ec419fa8110287d5]::thread::lifecycle::spawn_unchecked::<test[a8007afcd3effadc]::run_test::{closure#1}, ()>::{closure#1}::{closure#0}
[INFO] [stdout]                                at /rustc/33835004928d3bf65db4d4712e1330766263b0bd/library/std/src/thread/lifecycle.rs:70:13
[INFO] [stdout]   39:     0x65070df48c02 - <core[35159d6ffb30e017]::panic::unwind_safe::AssertUnwindSafe<std[ec419fa8110287d5]::thread::lifecycle::spawn_unchecked<test[a8007afcd3effadc]::run_test::{closure#1}, ()>::{closure#1}::{closure#0}> as core[35159d6ffb30e017]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]                                at /rustc/33835004928d3bf65db4d4712e1330766263b0bd/library/core/src/panic/unwind_safe.rs:275:9
[INFO] [stdout]   40:     0x65070df48c02 - std[ec419fa8110287d5]::panicking::catch_unwind::do_call::<core[35159d6ffb30e017]::panic::unwind_safe::AssertUnwindSafe<std[ec419fa8110287d5]::thread::lifecycle::spawn_unchecked<test[a8007afcd3effadc]::run_test::{closure#1}, ()>::{closure#1}::{closure#0}>, ()>
[INFO] [stdout]                                at /rustc/33835004928d3bf65db4d4712e1330766263b0bd/library/std/src/panicking.rs:581:40
[INFO] [stdout]   41:     0x65070df48c02 - std[ec419fa8110287d5]::panicking::catch_unwind::<(), core[35159d6ffb30e017]::panic::unwind_safe::AssertUnwindSafe<std[ec419fa8110287d5]::thread::lifecycle::spawn_unchecked<test[a8007afcd3effadc]::run_test::{closure#1}, ()>::{closure#1}::{closure#0}>>
[INFO] [stdout]                                at /rustc/33835004928d3bf65db4d4712e1330766263b0bd/library/std/src/panicking.rs:544:19
[INFO] [stdout]   42:     0x65070df48c02 - std[ec419fa8110287d5]::panic::catch_unwind::<core[35159d6ffb30e017]::panic::unwind_safe::AssertUnwindSafe<std[ec419fa8110287d5]::thread::lifecycle::spawn_unchecked<test[a8007afcd3effadc]::run_test::{closure#1}, ()>::{closure#1}::{closure#0}>, ()>
[INFO] [stdout]                                at /rustc/33835004928d3bf65db4d4712e1330766263b0bd/library/std/src/panic.rs:359:14
[INFO] [stdout]   43:     0x65070df48c02 - std[ec419fa8110287d5]::thread::lifecycle::spawn_unchecked::<test[a8007afcd3effadc]::run_test::{closure#1}, ()>::{closure#1}
[INFO] [stdout]                                at /rustc/33835004928d3bf65db4d4712e1330766263b0bd/library/std/src/thread/lifecycle.rs:68:26
[INFO] [stdout]   44:     0x65070df48c02 - <std[ec419fa8110287d5]::thread::lifecycle::spawn_unchecked<test[a8007afcd3effadc]::run_test::{closure#1}, ()>::{closure#1} as core[35159d6ffb30e017]::ops::function::FnOnce<()>>::call_once::{shim:vtable#0}
[INFO] [stdout]                                at /rustc/33835004928d3bf65db4d4712e1330766263b0bd/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   45:     0x65070e02acdf - <alloc[a8a7aba520129d98]::boxed::Box<dyn core[35159d6ffb30e017]::ops::function::FnOnce<(), Output = ()> + core[35159d6ffb30e017]::marker::Send> as core[35159d6ffb30e017]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]                                at /rustc/33835004928d3bf65db4d4712e1330766263b0bd/library/alloc/src/boxed.rs:2271:9
[INFO] [stdout]   46:     0x65070e02acdf - <std[ec419fa8110287d5]::sys::thread::unix::Thread>::new::thread_start
[INFO] [stdout]                                at /rustc/33835004928d3bf65db4d4712e1330766263b0bd/library/std/src/sys/thread/unix.rs:118:17
[INFO] [stdout]   47:     0x79f6b45d8aa4 - <unknown>
[INFO] [stdout]   48:     0x79f6b4665a64 - clone
[INFO] [stdout]   49:                0x0 - <unknown>
[INFO] [stdout] 
[INFO] [stdout] ---- noqa_specific_code_suppresses_matching_violation stdout ----
[INFO] [stdout] 
[INFO] [stdout] thread 'noqa_specific_code_suppresses_matching_violation' (59) panicked at /rustc/33835004928d3bf65db4d4712e1330766263b0bd/library/core/src/ops/function.rs:250:5:
[INFO] [stdout] Unexpected failure.
[INFO] [stdout] code=1
[INFO] [stdout] stderr=``````
[INFO] [stdout] Error: failed to spawn ruff — is it installed and on PATH?
[INFO] [stdout] 
[INFO] [stdout] Caused by:
[INFO] [stdout]     No such file or directory (os error 2)
[INFO] [stdout] 
[INFO] [stdout] Stack backtrace:
[INFO] [stdout]    0: <std::io::error::Error as anyhow::context::ext::StdError>::ext_context::<&str>
[INFO] [stdout]              at /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/anyhow-1.0.102/src/backtrace.rs:10:14
[INFO] [stdout]    1: <core::result::Result<std::process::Output, std::io::error::Error> as anyhow::Context<std::process::Output, std::io::error::Error>>::context::<&str>
[INFO] [stdout]              at /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/anyhow-1.0.102/src/context.rs:54:37
[INFO] [stdout]    2: ruffian::ruff::check
[INFO] [stdout]              at /opt/rustwide/workdir/src/ruff.rs:34:10
[INFO] [stdout]    3: ruffian::runner::run_check::{closure#1}
[INFO] [stdout]              at /opt/rustwide/workdir/src/runner.rs:44:9
[INFO] [stdout]    4: std::sys::backtrace::__rust_begin_short_backtrace::<ruffian::runner::run_check::{closure#1}, core::result::Result<alloc::vec::Vec<ruffian::ruff::Violation>, anyhow::Error>>
[INFO] [stdout]              at /rustc/33835004928d3bf65db4d4712e1330766263b0bd/library/std/src/sys/backtrace.rs:166:18
[INFO] [stdout]    5: std::thread::lifecycle::spawn_unchecked::<ruffian::runner::run_check::{closure#1}, core::result::Result<alloc::vec::Vec<ruffian::ruff::Violation>, anyhow::Error>>::{closure#1}::{closure#0}
[INFO] [stdout]              at /rustc/33835004928d3bf65db4d4712e1330766263b0bd/library/std/src/thread/lifecycle.rs:70:13
[INFO] [stdout]    6: <core::panic::unwind_safe::AssertUnwindSafe<std::thread::lifecycle::spawn_unchecked<ruffian::runner::run_check::{closure#1}, core::result::Result<alloc::vec::Vec<ruffian::ruff::Violation>, anyhow::Error>>::{closure#1}::{closure#0}> as core::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]              at /rustc/33835004928d3bf65db4d4712e1330766263b0bd/library/core/src/panic/unwind_safe.rs:275:9
[INFO] [stdout]    7: std::panicking::catch_unwind::do_call::<core::panic::unwind_safe::AssertUnwindSafe<std::thread::lifecycle::spawn_unchecked<ruffian::runner::run_check::{closure#1}, core::result::Result<alloc::vec::Vec<ruffian::ruff::Violation>, anyhow::Error>>::{closure#1}::{closure#0}>, core::result::Result<alloc::vec::Vec<ruffian::ruff::Violation>, anyhow::Error>>
[INFO] [stdout]              at /rustc/33835004928d3bf65db4d4712e1330766263b0bd/library/std/src/panicking.rs:581:40
[INFO] [stdout]    8: __rust_try
[INFO] [stdout]    9: std::panicking::catch_unwind::<core::result::Result<alloc::vec::Vec<ruffian::ruff::Violation>, anyhow::Error>, core::panic::unwind_safe::AssertUnwindSafe<std::thread::lifecycle::spawn_unchecked<ruffian::runner::run_check::{closure#1}, core::result::Result<alloc::vec::Vec<ruffian::ruff::Violation>, anyhow::Error>>::{closure#1}::{closure#0}>>
[INFO] [stdout]              at /rustc/33835004928d3bf65db4d4712e1330766263b0bd/library/std/src/panicking.rs:544:19
[INFO] [stdout]   10: std::panic::catch_unwind::<core::panic::unwind_safe::AssertUnwindSafe<std::thread::lifecycle::spawn_unchecked<ruffian::runner::run_check::{closure#1}, core::result::Result<alloc::vec::Vec<ruffian::ruff::Violation>, anyhow::Error>>::{closure#1}::{closure#0}>, core::result::Result<alloc::vec::Vec<ruffian::ruff::Violation>, anyhow::Error>>
[INFO] [stdout]              at /rustc/33835004928d3bf65db4d4712e1330766263b0bd/library/std/src/panic.rs:359:14
[INFO] [stdout]   11: std::thread::lifecycle::spawn_unchecked::<ruffian::runner::run_check::{closure#1}, core::result::Result<alloc::vec::Vec<ruffian::ruff::Violation>, anyhow::Error>>::{closure#1}
[INFO] [stdout]              at /rustc/33835004928d3bf65db4d4712e1330766263b0bd/library/std/src/thread/lifecycle.rs:68:26
[INFO] [stdout]   12: <std::thread::lifecycle::spawn_unchecked<ruffian::runner::run_check::{closure#1}, core::result::Result<alloc::vec::Vec<ruffian::ruff::Violation>, anyhow::Error>>::{closure#1} as core::ops::function::FnOnce<()>>::call_once::{shim:vtable#0}
[INFO] [stdout]              at /rustc/33835004928d3bf65db4d4712e1330766263b0bd/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   13: <alloc::boxed::Box<dyn core::ops::function::FnOnce<(), Output = ()> + core::marker::Send> as core::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]              at /rustc/33835004928d3bf65db4d4712e1330766263b0bd/library/alloc/src/boxed.rs:2271:9
[INFO] [stdout]   14: <std::sys::thread::unix::Thread>::new::thread_start
[INFO] [stdout]              at /rustc/33835004928d3bf65db4d4712e1330766263b0bd/library/std/src/sys/thread/unix.rs:118:17
[INFO] [stdout]   15: <unknown>
[INFO] [stdout]   16: clone
[INFO] [stdout] ```
[INFO] [stdout] ```
[INFO] [stdout] command=`cd "/tmp/.tmpvjiMrS" && "/opt/rustwide/target/debug/ruffian" "check" "/tmp/.tmpvjiMrS/long.py"`
[INFO] [stdout] code=1
[INFO] [stdout] stdout=""
[INFO] [stdout] stderr=```
[INFO] [stdout] Error: failed to spawn ruff — is it installed and on PATH?
[INFO] [stdout] 
[INFO] [stdout] Caused by:
[INFO] [stdout]     No such file or directory (os error 2)
[INFO] [stdout] 
[INFO] [stdout] Stack backtrace:
[INFO] [stdout]    0: <std::io::error::Error as anyhow::context::ext::StdError>::ext_context::<&str>
[INFO] [stdout]              at /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/anyhow-1.0.102/src/backtrace.rs:10:14
[INFO] [stdout]    1: <core::result::Result<std::process::Output, std::io::error::Error> as anyhow::Context<std::process::Output, std::io::error::Error>>::context::<&str>
[INFO] [stdout]              at /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/anyhow-1.0.102/src/context.rs:54:37
[INFO] [stdout]    2: ruffian::ruff::check
[INFO] [stdout]              at /opt/rustwide/workdir/src/ruff.rs:34:10
[INFO] [stdout]    3: ruffian::runner::run_check::{closure#1}
[INFO] [stdout]              at /opt/rustwide/workdir/src/runner.rs:44:9
[INFO] [stdout]    4: std::sys::backtrace::__rust_begin_short_backtrace::<ruffian::runner::run_check::{closure#1}, core::result::Result<alloc::vec::Vec<ruffian::ruff::Violation>, anyhow::Error>>
[INFO] [stdout]              at /rustc/33835004928d3bf65db4d4712e1330766263b0bd/library/std/src/sys/backtrace.rs:166:18
[INFO] [stdout]    5: std::thread::lifecycle::spawn_unchecked::<ruffian::runner::run_check::{closure#1}, core::result::Result<alloc::vec::Vec<ruffian::ruff::Violation>, anyhow::Error>>::{closure#1}::{closure#0}
[INFO] [stdout]              at /rustc/33835004928d3bf65db4d4712e1330766263b0bd/library/std/src/thread/lifecycle.rs:70:13
[INFO] [stdout]    6: <core::panic::unwind_safe::AssertUnwindSafe<std::thread::lifecycle::spawn_unchecked<ruffian::runner::run_check::{closure#1}, core::result::Result<alloc::vec::Vec<ruffian::ruff::Violation>, anyhow::Error>>::{closure#1}::{closure#0}> as core::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]              at /rustc/33835004928d3bf65db4d4712e1330766263b0bd/library/core/src/panic/unwind_safe.rs:275:9
[INFO] [stdout]    7: std::panicking::catch_unwind::do_call::<core::panic::unwind_safe::AssertUnwindSafe<std::thread::lifecycle::spawn_unchecked<ruffian::runner::run_check::{closure#1}, core::result::Result<alloc::vec::Vec<ruffian::ruff::Violation>, anyhow::Error>>::{closure#1}::{closure#0}>, core::result::Result<alloc::vec::Vec<ruffian::ruff::Violation>, anyhow::Error>>
[INFO] [stdout]              at /rustc/33835004928d3bf65db4d4712e1330766263b0bd/library/std/src/panicking.rs:581:40
[INFO] [stdout]    8: __rust_try
[INFO] [stdout]    9: std::panicking::catch_unwind::<core::result::Result<alloc::vec::Vec<ruffian::ruff::Violation>, anyhow::Error>, core::panic::unwind_safe::AssertUnwindSafe<std::thread::lifecycle::spawn_unchecked<ruffian::runner::run_check::{closure#1}, core::result::Result<alloc::vec::Vec<ruffian::ruff::Violation>, anyhow::Error>>::{closure#1}::{closure#0}>>
[INFO] [stdout]              at /rustc/33835004928d3bf65db4d4712e1330766263b0bd/library/std/src/panicking.rs:544:19
[INFO] [stdout]   10: std::panic::catch_unwind::<core::panic::unwind_safe::AssertUnwindSafe<std::thread::lifecycle::spawn_unchecked<ruffian::runner::run_check::{closure#1}, core::result::Result<alloc::vec::Vec<ruffian::ruff::Violation>, anyhow::Error>>::{closure#1}::{closure#0}>, core::result::Result<alloc::vec::Vec<ruffian::ruff::Violation>, anyhow::Error>>
[INFO] [stdout]              at /rustc/33835004928d3bf65db4d4712e1330766263b0bd/library/std/src/panic.rs:359:14
[INFO] [stdout]   11: std::thread::lifecycle::spawn_unchecked::<ruffian::runner::run_check::{closure#1}, core::result::Result<alloc::vec::Vec<ruffian::ruff::Violation>, anyhow::Error>>::{closure#1}
[INFO] [stdout]              at /rustc/33835004928d3bf65db4d4712e1330766263b0bd/library/std/src/thread/lifecycle.rs:68:26
[INFO] [stdout]   12: <std::thread::lifecycle::spawn_unchecked<ruffian::runner::run_check::{closure#1}, core::result::Result<alloc::vec::Vec<ruffian::ruff::Violation>, anyhow::Error>>::{closure#1} as core::ops::function::FnOnce<()>>::call_once::{shim:vtable#0}
[INFO] [stdout]              at /rustc/33835004928d3bf65db4d4712e1330766263b0bd/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   13: <alloc::boxed::Box<dyn core::ops::function::FnOnce<(), Output = ()> + core::marker::Send> as core::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]              at /rustc/33835004928d3bf65db4d4712e1330766263b0bd/library/alloc/src/boxed.rs:2271:9
[INFO] [stdout]   14: <std::sys::thread::unix::Thread>::new::thread_start
[INFO] [stdout]              at /rustc/33835004928d3bf65db4d4712e1330766263b0bd/library/std/src/sys/thread/unix.rs:118:17
[INFO] [stdout]   15: <unknown>
[INFO] [stdout]   16: clone
[INFO] [stdout] ```
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] stack backtrace:
[INFO] [stdout]    0:     0x65070e02b96a - std[ec419fa8110287d5]::backtrace_rs::backtrace::libunwind::trace
[INFO] [stdout]                                at /rustc/33835004928d3bf65db4d4712e1330766263b0bd/library/std/src/../../backtrace/src/backtrace/libunwind.rs:117:9
[INFO] [stdout]    1:     0x65070e02b96a - std[ec419fa8110287d5]::backtrace_rs::backtrace::trace_unsynchronized::<std[ec419fa8110287d5]::sys::backtrace::_print_fmt::{closure#1}>
[INFO] [stdout]                                at /rustc/33835004928d3bf65db4d4712e1330766263b0bd/library/std/src/../../backtrace/src/backtrace/mod.rs:66:14
[INFO] [stdout]    2:     0x65070e02b96a - std[ec419fa8110287d5]::sys::backtrace::_print_fmt
[INFO] [stdout]                                at /rustc/33835004928d3bf65db4d4712e1330766263b0bd/library/std/src/sys/backtrace.rs:74:9
[INFO] [stdout]    3:     0x65070e02b96a - <<std[ec419fa8110287d5]::sys::backtrace::BacktraceLock>::print::DisplayBacktrace as core[35159d6ffb30e017]::fmt::Display>::fmt
[INFO] [stdout]                                at /rustc/33835004928d3bf65db4d4712e1330766263b0bd/library/std/src/sys/backtrace.rs:44:26
[INFO] [stdout]    4:     0x65070e04218a - <core[35159d6ffb30e017]::fmt::rt::Argument>::fmt
[INFO] [stdout]                                at /rustc/33835004928d3bf65db4d4712e1330766263b0bd/library/core/src/fmt/rt.rs:152:76
[INFO] [stdout]    5:     0x65070e04218a - core[35159d6ffb30e017]::fmt::write
[INFO] [stdout]    6:     0x65070e0316f2 - std[ec419fa8110287d5]::io::default_write_fmt::<alloc[a8a7aba520129d98]::vec::Vec<u8>>
[INFO] [stdout]                                at /rustc/33835004928d3bf65db4d4712e1330766263b0bd/library/std/src/io/mod.rs:621:11
[INFO] [stdout]    7:     0x65070e0316f2 - <alloc[a8a7aba520129d98]::vec::Vec<u8> as std[ec419fa8110287d5]::io::Write>::write_fmt
[INFO] [stdout]                                at /rustc/33835004928d3bf65db4d4712e1330766263b0bd/library/std/src/io/mod.rs:1976:13
[INFO] [stdout]    8:     0x65070e00860f - <std[ec419fa8110287d5]::sys::backtrace::BacktraceLock>::print
[INFO] [stdout]                                at /rustc/33835004928d3bf65db4d4712e1330766263b0bd/library/std/src/sys/backtrace.rs:47:9
[INFO] [stdout]    9:     0x65070e00860f - std[ec419fa8110287d5]::panicking::default_hook::{closure#0}
[INFO] [stdout]                                at /rustc/33835004928d3bf65db4d4712e1330766263b0bd/library/std/src/panicking.rs:292:27
[INFO] [stdout]   10:     0x65070e023149 - std[ec419fa8110287d5]::panicking::default_hook
[INFO] [stdout]                                at /rustc/33835004928d3bf65db4d4712e1330766263b0bd/library/std/src/panicking.rs:316:9
[INFO] [stdout]   11:     0x65070df4552c - <alloc[a8a7aba520129d98]::boxed::Box<dyn for<'a, 'b> core[35159d6ffb30e017]::ops::function::Fn<(&'a std[ec419fa8110287d5]::panic::PanicHookInfo<'b>,), Output = ()> + core[35159d6ffb30e017]::marker::Sync + core[35159d6ffb30e017]::marker::Send> as core[35159d6ffb30e017]::ops::function::Fn<(&std[ec419fa8110287d5]::panic::PanicHookInfo,)>>::call
[INFO] [stdout]                                at /rustc/33835004928d3bf65db4d4712e1330766263b0bd/library/alloc/src/boxed.rs:2285:9
[INFO] [stdout]   12:     0x65070df4552c - test[a8007afcd3effadc]::test_main_inner::<test[a8007afcd3effadc]::test_main_static::{closure#0}>::{closure#0}
[INFO] [stdout]                                at /rustc/33835004928d3bf65db4d4712e1330766263b0bd/library/test/src/lib.rs:155:21
[INFO] [stdout]   13:     0x65070e023302 - <alloc[a8a7aba520129d98]::boxed::Box<dyn for<'a, 'b> core[35159d6ffb30e017]::ops::function::Fn<(&'a std[ec419fa8110287d5]::panic::PanicHookInfo<'b>,), Output = ()> + core[35159d6ffb30e017]::marker::Sync + core[35159d6ffb30e017]::marker::Send> as core[35159d6ffb30e017]::ops::function::Fn<(&std[ec419fa8110287d5]::panic::PanicHookInfo,)>>::call
[INFO] [stdout]                                at /rustc/33835004928d3bf65db4d4712e1330766263b0bd/library/alloc/src/boxed.rs:2285:9
[INFO] [stdout]   14:     0x65070e023302 - std[ec419fa8110287d5]::panicking::panic_with_hook
[INFO] [stdout]                                at /rustc/33835004928d3bf65db4d4712e1330766263b0bd/library/std/src/panicking.rs:833:13
[INFO] [stdout]   15:     0x65070e0086c8 - std[ec419fa8110287d5]::panicking::panic_handler::{closure#0}
[INFO] [stdout]                                at /rustc/33835004928d3bf65db4d4712e1330766263b0bd/library/std/src/panicking.rs:698:13
[INFO] [stdout]   16:     0x65070dfffe39 - std[ec419fa8110287d5]::sys::backtrace::__rust_end_short_backtrace::<std[ec419fa8110287d5]::panicking::panic_handler::{closure#0}, !>
[INFO] [stdout]                                at /rustc/33835004928d3bf65db4d4712e1330766263b0bd/library/std/src/sys/backtrace.rs:182:18
[INFO] [stdout]   17:     0x65070e00946d - __rustc[cfb3622dd870db93]::rust_begin_unwind
[INFO] [stdout]                                at /rustc/33835004928d3bf65db4d4712e1330766263b0bd/library/std/src/panicking.rs:689:5
[INFO] [stdout]   18:     0x65070e04299c - core[35159d6ffb30e017]::panicking::panic_fmt
[INFO] [stdout]                                at /rustc/33835004928d3bf65db4d4712e1330766263b0bd/library/core/src/panicking.rs:80:14
[INFO] [stdout]   19:     0x65070dfb0708 - core[35159d6ffb30e017]::panicking::panic_display::<assert_cmd[35950e0b123f7429]::assert::AssertError>
[INFO] [stdout]                                at /rustc/33835004928d3bf65db4d4712e1330766263b0bd/library/core/src/panicking.rs:259:5
[INFO] [stdout]   20:     0x65070dfae9f7 - <assert_cmd[35950e0b123f7429]::assert::AssertError>::panic::<assert_cmd[35950e0b123f7429]::assert::Assert>
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/assert_cmd-2.2.1/src/assert.rs:1036:9
[INFO] [stdout]   21:     0x65070dfb42b7 - <<assert_cmd[35950e0b123f7429]::assert::AssertError>::panic<assert_cmd[35950e0b123f7429]::assert::Assert> as core[35159d6ffb30e017]::ops::function::FnOnce<(assert_cmd[35950e0b123f7429]::assert::AssertError,)>>::call_once
[INFO] [stdout]                                at /rustc/33835004928d3bf65db4d4712e1330766263b0bd/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   22:     0x65070dfb4634 - <core[35159d6ffb30e017]::result::Result<assert_cmd[35950e0b123f7429]::assert::Assert, assert_cmd[35950e0b123f7429]::assert::AssertError>>::unwrap_or_else::<<assert_cmd[35950e0b123f7429]::assert::AssertError>::panic<assert_cmd[35950e0b123f7429]::assert::Assert>>
[INFO] [stdout]                                at /rustc/33835004928d3bf65db4d4712e1330766263b0bd/library/core/src/result.rs:1622:23
[INFO] [stdout]   23:     0x65070dfb1f90 - <assert_cmd[35950e0b123f7429]::assert::Assert>::success
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/assert_cmd-2.2.1/src/assert.rs:161:28
[INFO] [stdout]   24:     0x65070df35f89 - integration[c26367521ce6f8e0]::noqa_specific_code_suppresses_matching_violation
[INFO] [stdout]                                at /opt/rustwide/workdir/tests/integration/test_check.rs:415:10
[INFO] [stdout]   25:     0x65070df2dd87 - integration[c26367521ce6f8e0]::noqa_specific_code_suppresses_matching_violation::{closure#0}
[INFO] [stdout]                                at /opt/rustwide/workdir/tests/integration/test_check.rs:394:54
[INFO] [stdout]   26:     0x65070df38666 - <integration[c26367521ce6f8e0]::noqa_specific_code_suppresses_matching_violation::{closure#0} as core[35159d6ffb30e017]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]                                at /rustc/33835004928d3bf65db4d4712e1330766263b0bd/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   27:     0x65070df3880b - <fn() -> core[35159d6ffb30e017]::result::Result<(), alloc[a8a7aba520129d98]::string::String> as core[35159d6ffb30e017]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]                                at /rustc/33835004928d3bf65db4d4712e1330766263b0bd/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   28:     0x65070df3880b - test[a8007afcd3effadc]::__rust_begin_short_backtrace::<core[35159d6ffb30e017]::result::Result<(), alloc[a8a7aba520129d98]::string::String>, fn() -> core[35159d6ffb30e017]::result::Result<(), alloc[a8a7aba520129d98]::string::String>>
[INFO] [stdout]                                at /rustc/33835004928d3bf65db4d4712e1330766263b0bd/library/test/src/lib.rs:724:18
[INFO] [stdout]   29:     0x65070df45ffb - test[a8007afcd3effadc]::run_test_in_process::{closure#0}
[INFO] [stdout]                                at /rustc/33835004928d3bf65db4d4712e1330766263b0bd/library/test/src/lib.rs:747:74
[INFO] [stdout]   30:     0x65070df45ffb - <core[35159d6ffb30e017]::panic::unwind_safe::AssertUnwindSafe<test[a8007afcd3effadc]::run_test_in_process::{closure#0}> as core[35159d6ffb30e017]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]                                at /rustc/33835004928d3bf65db4d4712e1330766263b0bd/library/core/src/panic/unwind_safe.rs:275:9
[INFO] [stdout]   31:     0x65070df45ffb - std[ec419fa8110287d5]::panicking::catch_unwind::do_call::<core[35159d6ffb30e017]::panic::unwind_safe::AssertUnwindSafe<test[a8007afcd3effadc]::run_test_in_process::{closure#0}>, core[35159d6ffb30e017]::result::Result<(), alloc[a8a7aba520129d98]::string::String>>
[INFO] [stdout]                                at /rustc/33835004928d3bf65db4d4712e1330766263b0bd/library/std/src/panicking.rs:581:40
[INFO] [stdout]   32:     0x65070df45ffb - std[ec419fa8110287d5]::panicking::catch_unwind::<core[35159d6ffb30e017]::result::Result<(), alloc[a8a7aba520129d98]::string::String>, core[35159d6ffb30e017]::panic::unwind_safe::AssertUnwindSafe<test[a8007afcd3effadc]::run_test_in_process::{closure#0}>>
[INFO] [stdout]                                at /rustc/33835004928d3bf65db4d4712e1330766263b0bd/library/std/src/panicking.rs:544:19
[INFO] [stdout]   33:     0x65070df45ffb - std[ec419fa8110287d5]::panic::catch_unwind::<core[35159d6ffb30e017]::panic::unwind_safe::AssertUnwindSafe<test[a8007afcd3effadc]::run_test_in_process::{closure#0}>, core[35159d6ffb30e017]::result::Result<(), alloc[a8a7aba520129d98]::string::String>>
[INFO] [stdout]                                at /rustc/33835004928d3bf65db4d4712e1330766263b0bd/library/std/src/panic.rs:359:14
[INFO] [stdout]   34:     0x65070df45ffb - test[a8007afcd3effadc]::run_test_in_process
[INFO] [stdout]                                at /rustc/33835004928d3bf65db4d4712e1330766263b0bd/library/test/src/lib.rs:747:27
[INFO] [stdout]   35:     0x65070df45ffb - test[a8007afcd3effadc]::run_test::{closure#0}
[INFO] [stdout]                                at /rustc/33835004928d3bf65db4d4712e1330766263b0bd/library/test/src/lib.rs:668:43
[INFO] [stdout]   36:     0x65070df409d4 - test[a8007afcd3effadc]::run_test::{closure#1}
[INFO] [stdout]                                at /rustc/33835004928d3bf65db4d4712e1330766263b0bd/library/test/src/lib.rs:698:41
[INFO] [stdout]   37:     0x65070df409d4 - std[ec419fa8110287d5]::sys::backtrace::__rust_begin_short_backtrace::<test[a8007afcd3effadc]::run_test::{closure#1}, ()>
[INFO] [stdout]                                at /rustc/33835004928d3bf65db4d4712e1330766263b0bd/library/std/src/sys/backtrace.rs:166:18
[INFO] [stdout]   38:     0x65070df48c02 - std[ec419fa8110287d5]::thread::lifecycle::spawn_unchecked::<test[a8007afcd3effadc]::run_test::{closure#1}, ()>::{closure#1}::{closure#0}
[INFO] [stdout]                                at /rustc/33835004928d3bf65db4d4712e1330766263b0bd/library/std/src/thread/lifecycle.rs:70:13
[INFO] [stdout]   39:     0x65070df48c02 - <core[35159d6ffb30e017]::panic::unwind_safe::AssertUnwindSafe<std[ec419fa8110287d5]::thread::lifecycle::spawn_unchecked<test[a8007afcd3effadc]::run_test::{closure#1}, ()>::{closure#1}::{closure#0}> as core[35159d6ffb30e017]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]                                at /rustc/33835004928d3bf65db4d4712e1330766263b0bd/library/core/src/panic/unwind_safe.rs:275:9
[INFO] [stdout]   40:     0x65070df48c02 - std[ec419fa8110287d5]::panicking::catch_unwind::do_call::<core[35159d6ffb30e017]::panic::unwind_safe::AssertUnwindSafe<std[ec419fa8110287d5]::thread::lifecycle::spawn_unchecked<test[a8007afcd3effadc]::run_test::{closure#1}, ()>::{closure#1}::{closure#0}>, ()>
[INFO] [stdout]                                at /rustc/33835004928d3bf65db4d4712e1330766263b0bd/library/std/src/panicking.rs:581:40
[INFO] [stdout]   41:     0x65070df48c02 - std[ec419fa8110287d5]::panicking::catch_unwind::<(), core[35159d6ffb30e017]::panic::unwind_safe::AssertUnwindSafe<std[ec419fa8110287d5]::thread::lifecycle::spawn_unchecked<test[a8007afcd3effadc]::run_test::{closure#1}, ()>::{closure#1}::{closure#0}>>
[INFO] [stdout]                                at /rustc/33835004928d3bf65db4d4712e1330766263b0bd/library/std/src/panicking.rs:544:19
[INFO] [stdout]   42:     0x65070df48c02 - std[ec419fa8110287d5]::panic::catch_unwind::<core[35159d6ffb30e017]::panic::unwind_safe::AssertUnwindSafe<std[ec419fa8110287d5]::thread::lifecycle::spawn_unchecked<test[a8007afcd3effadc]::run_test::{closure#1}, ()>::{closure#1}::{closure#0}>, ()>
[INFO] [stdout]                                at /rustc/33835004928d3bf65db4d4712e1330766263b0bd/library/std/src/panic.rs:359:14
[INFO] [stdout]   43:     0x65070df48c02 - std[ec419fa8110287d5]::thread::lifecycle::spawn_unchecked::<test[a8007afcd3effadc]::run_test::{closure#1}, ()>::{closure#1}
[INFO] [stdout]                                at /rustc/33835004928d3bf65db4d4712e1330766263b0bd/library/std/src/thread/lifecycle.rs:68:26
[INFO] [stdout]   44:     0x65070df48c02 - <std[ec419fa8110287d5]::thread::lifecycle::spawn_unchecked<test[a8007afcd3effadc]::run_test::{closure#1}, ()>::{closure#1} as core[35159d6ffb30e017]::ops::function::FnOnce<()>>::call_once::{shim:vtable#0}
[INFO] [stdout]                                at /rustc/33835004928d3bf65db4d4712e1330766263b0bd/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   45:     0x65070e02acdf - <alloc[a8a7aba520129d98]::boxed::Box<dyn core[35159d6ffb30e017]::ops::function::FnOnce<(), Output = ()> + core[35159d6ffb30e017]::marker::Send> as core[35159d6ffb30e017]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]                                at /rustc/33835004928d3bf65db4d4712e1330766263b0bd/library/alloc/src/boxed.rs:2271:9
[INFO] [stdout]   46:     0x65070e02acdf - <std[ec419fa8110287d5]::sys::thread::unix::Thread>::new::thread_start
[INFO] [stdout]                                at /rustc/33835004928d3bf65db4d4712e1330766263b0bd/library/std/src/sys/thread/unix.rs:118:17
[INFO] [stdout]   47:     0x79f6b45d8aa4 - <unknown>
[INFO] [stdout]   48:     0x79f6b4665a64 - clone
[INFO] [stdout]   49:                0x0 - <unknown>
[INFO] [stdout] 
[INFO] [stdout] ---- json_output_contains_required_violation_fields stdout ----
[INFO] [stdout] 
[INFO] [stdout] thread 'json_output_contains_required_violation_fields' (33) panicked at tests/integration/test_check.rs:273:48:
[INFO] [stdout] stdout must be valid JSON: Error("EOF while parsing a value", line: 1, column: 0)
[INFO] [stdout] stack backtrace:
[INFO] [stdout]    0:     0x65070e02b96a - std[ec419fa8110287d5]::backtrace_rs::backtrace::libunwind::trace
[INFO] [stdout]                                at /rustc/33835004928d3bf65db4d4712e1330766263b0bd/library/std/src/../../backtrace/src/backtrace/libunwind.rs:117:9
[INFO] [stdout]    1:     0x65070e02b96a - std[ec419fa8110287d5]::backtrace_rs::backtrace::trace_unsynchronized::<std[ec419fa8110287d5]::sys::backtrace::_print_fmt::{closure#1}>
[INFO] [stdout]                                at /rustc/33835004928d3bf65db4d4712e1330766263b0bd/library/std/src/../../backtrace/src/backtrace/mod.rs:66:14
[INFO] [stdout]    2:     0x65070e02b96a - std[ec419fa8110287d5]::sys::backtrace::_print_fmt
[INFO] [stdout]                                at /rustc/33835004928d3bf65db4d4712e1330766263b0bd/library/std/src/sys/backtrace.rs:74:9
[INFO] [stdout]    3:     0x65070e02b96a - <<std[ec419fa8110287d5]::sys::backtrace::BacktraceLock>::print::DisplayBacktrace as core[35159d6ffb30e017]::fmt::Display>::fmt
[INFO] [stdout]                                at /rustc/33835004928d3bf65db4d4712e1330766263b0bd/library/std/src/sys/backtrace.rs:44:26
[INFO] [stdout]    4:     0x65070e04218a - <core[35159d6ffb30e017]::fmt::rt::Argument>::fmt
[INFO] [stdout]                                at /rustc/33835004928d3bf65db4d4712e1330766263b0bd/library/core/src/fmt/rt.rs:152:76
[INFO] [stdout]    5:     0x65070e04218a - core[35159d6ffb30e017]::fmt::write
[INFO] [stdout]    6:     0x65070e0316f2 - std[ec419fa8110287d5]::io::default_write_fmt::<alloc[a8a7aba520129d98]::vec::Vec<u8>>
[INFO] [stdout]                                at /rustc/33835004928d3bf65db4d4712e1330766263b0bd/library/std/src/io/mod.rs:621:11
[INFO] [stdout]    7:     0x65070e0316f2 - <alloc[a8a7aba520129d98]::vec::Vec<u8> as std[ec419fa8110287d5]::io::Write>::write_fmt
[INFO] [stdout]                                at /rustc/33835004928d3bf65db4d4712e1330766263b0bd/library/std/src/io/mod.rs:1976:13
[INFO] [stdout]    8:     0x65070e00860f - <std[ec419fa8110287d5]::sys::backtrace::BacktraceLock>::print
[INFO] [stdout]                                at /rustc/33835004928d3bf65db4d4712e1330766263b0bd/library/std/src/sys/backtrace.rs:47:9
[INFO] [stdout]    9:     0x65070e00860f - std[ec419fa8110287d5]::panicking::default_hook::{closure#0}
[INFO] [stdout]                                at /rustc/33835004928d3bf65db4d4712e1330766263b0bd/library/std/src/panicking.rs:292:27
[INFO] [stdout]   10:     0x65070e023149 - std[ec419fa8110287d5]::panicking::default_hook
[INFO] [stdout]                                at /rustc/33835004928d3bf65db4d4712e1330766263b0bd/library/std/src/panicking.rs:316:9
[INFO] [stdout]   11:     0x65070df4552c - <alloc[a8a7aba520129d98]::boxed::Box<dyn for<'a, 'b> core[35159d6ffb30e017]::ops::function::Fn<(&'a std[ec419fa8110287d5]::panic::PanicHookInfo<'b>,), Output = ()> + core[35159d6ffb30e017]::marker::Sync + core[35159d6ffb30e017]::marker::Send> as core[35159d6ffb30e017]::ops::function::Fn<(&std[ec419fa8110287d5]::panic::PanicHookInfo,)>>::call
[INFO] [stdout]                                at /rustc/33835004928d3bf65db4d4712e1330766263b0bd/library/alloc/src/boxed.rs:2285:9
[INFO] [stdout]   12:     0x65070df4552c - test[a8007afcd3effadc]::test_main_inner::<test[a8007afcd3effadc]::test_main_static::{closure#0}>::{closure#0}
[INFO] [stdout]                                at /rustc/33835004928d3bf65db4d4712e1330766263b0bd/library/test/src/lib.rs:155:21
[INFO] [stdout]   13:     0x65070e023302 - <alloc[a8a7aba520129d98]::boxed::Box<dyn for<'a, 'b> core[35159d6ffb30e017]::ops::function::Fn<(&'a std[ec419fa8110287d5]::panic::PanicHookInfo<'b>,), Output = ()> + core[35159d6ffb30e017]::marker::Sync + core[35159d6ffb30e017]::marker::Send> as core[35159d6ffb30e017]::ops::function::Fn<(&std[ec419fa8110287d5]::panic::PanicHookInfo,)>>::call
[INFO] [stdout]                                at /rustc/33835004928d3bf65db4d4712e1330766263b0bd/library/alloc/src/boxed.rs:2285:9
[INFO] [stdout]   14:     0x65070e023302 - std[ec419fa8110287d5]::panicking::panic_with_hook
[INFO] [stdout]                                at /rustc/33835004928d3bf65db4d4712e1330766263b0bd/library/std/src/panicking.rs:833:13
[INFO] [stdout]   15:     0x65070e0086c8 - std[ec419fa8110287d5]::panicking::panic_handler::{closure#0}
[INFO] [stdout]                                at /rustc/33835004928d3bf65db4d4712e1330766263b0bd/library/std/src/panicking.rs:698:13
[INFO] [stdout]   16:     0x65070dfffe39 - std[ec419fa8110287d5]::sys::backtrace::__rust_end_short_backtrace::<std[ec419fa8110287d5]::panicking::panic_handler::{closure#0}, !>
[INFO] [stdout]                                at /rustc/33835004928d3bf65db4d4712e1330766263b0bd/library/std/src/sys/backtrace.rs:182:18
[INFO] [stdout]   17:     0x65070e00946d - __rustc[cfb3622dd870db93]::rust_begin_unwind
[INFO] [stdout]                                at /rustc/33835004928d3bf65db4d4712e1330766263b0bd/library/std/src/panicking.rs:689:5
[INFO] [stdout]   18:     0x65070e04299c - core[35159d6ffb30e017]::panicking::panic_fmt
[INFO] [stdout]                                at /rustc/33835004928d3bf65db4d4712e1330766263b0bd/library/core/src/panicking.rs:80:14
[INFO] [stdout]   19:     0x65070e042712 - core[35159d6ffb30e017]::result::unwrap_failed
[INFO] [stdout]                                at /rustc/33835004928d3bf65db4d4712e1330766263b0bd/library/core/src/result.rs:1867:5
[INFO] [stdout]   20:     0x65070df25dbc - <core[35159d6ffb30e017]::result::Result<alloc[a8a7aba520129d98]::vec::Vec<serde_json[addfbee52d7b9d1f]::value::Value>, serde_json[addfbee52d7b9d1f]::error::Error>>::expect
[INFO] [stdout]                                at /rustc/33835004928d3bf65db4d4712e1330766263b0bd/library/core/src/result.rs:1185:23
[INFO] [stdout]   21:     0x65070df34cb5 - integration[c26367521ce6f8e0]::json_output_contains_required_violation_fields
[INFO] [stdout]                                at /opt/rustwide/workdir/tests/integration/test_check.rs:273:48
[INFO] [stdout]   22:     0x65070df2dcf7 - integration[c26367521ce6f8e0]::json_output_contains_required_violation_fields::{closure#0}
[INFO] [stdout]                                at /opt/rustwide/workdir/tests/integration/test_check.rs:262:52
[INFO] [stdout]   23:     0x65070df385a6 - <integration[c26367521ce6f8e0]::json_output_contains_required_violation_fields::{closure#0} as core[35159d6ffb30e017]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]                                at /rustc/33835004928d3bf65db4d4712e1330766263b0bd/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   24:     0x65070df3880b - <fn() -> core[35159d6ffb30e017]::result::Result<(), alloc[a8a7aba520129d98]::string::String> as core[35159d6ffb30e017]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]                                at /rustc/33835004928d3bf65db4d4712e1330766263b0bd/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   25:     0x65070df3880b - test[a8007afcd3effadc]::__rust_begin_short_backtrace::<core[35159d6ffb30e017]::result::Result<(), alloc[a8a7aba520129d98]::string::String>, fn() -> core[35159d6ffb30e017]::result::Result<(), alloc[a8a7aba520129d98]::string::String>>
[INFO] [stdout]                                at /rustc/33835004928d3bf65db4d4712e1330766263b0bd/library/test/src/lib.rs:724:18
[INFO] [stdout]   26:     0x65070df45ffb - test[a8007afcd3effadc]::run_test_in_process::{closure#0}
[INFO] [stdout]                                at /rustc/33835004928d3bf65db4d4712e1330766263b0bd/library/test/src/lib.rs:747:74
[INFO] [stdout]   27:     0x65070df45ffb - <core[35159d6ffb30e017]::panic::unwind_safe::AssertUnwindSafe<test[a8007afcd3effadc]::run_test_in_process::{closure#0}> as core[35159d6ffb30e017]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]                                at /rustc/33835004928d3bf65db4d4712e1330766263b0bd/library/core/src/panic/unwind_safe.rs:275:9
[INFO] [stdout]   28:     0x65070df45ffb - std[ec419fa8110287d5]::panicking::catch_unwind::do_call::<core[35159d6ffb30e017]::panic::unwind_safe::AssertUnwindSafe<test[a8007afcd3effadc]::run_test_in_process::{closure#0}>, core[35159d6ffb30e017]::result::Result<(), alloc[a8a7aba520129d98]::string::String>>
[INFO] [stdout]                                at /rustc/33835004928d3bf65db4d4712e1330766263b0bd/library/std/src/panicking.rs:581:40
[INFO] [stdout]   29:     0x65070df45ffb - std[ec419fa8110287d5]::panicking::catch_unwind::<core[35159d6ffb30e017]::result::Result<(), alloc[a8a7aba520129d98]::string::String>, core[35159d6ffb30e017]::panic::unwind_safe::AssertUnwindSafe<test[a8007afcd3effadc]::run_test_in_process::{closure#0}>>
[INFO] [stdout]                                at /rustc/33835004928d3bf65db4d4712e1330766263b0bd/library/std/src/panicking.rs:544:19
[INFO] [stdout]   30:     0x65070df45ffb - std[ec419fa8110287d5]::panic::catch_unwind::<core[35159d6ffb30e017]::panic::unwind_safe::AssertUnwindSafe<test[a8007afcd3effadc]::run_test_in_process::{closure#0}>, core[35159d6ffb30e017]::result::Result<(), alloc[a8a7aba520129d98]::string::String>>
[INFO] [stdout]                                at /rustc/33835004928d3bf65db4d4712e1330766263b0bd/library/std/src/panic.rs:359:14
[INFO] [stdout]   31:     0x65070df45ffb - test[a8007afcd3effadc]::run_test_in_process
[INFO] [stdout]                                at /rustc/33835004928d3bf65db4d4712e1330766263b0bd/library/test/src/lib.rs:747:27
[INFO] [stdout]   32:     0x65070df45ffb - test[a8007afcd3effadc]::run_test::{closure#0}
[INFO] [stdout]                                at /rustc/33835004928d3bf65db4d4712e1330766263b0bd/library/test/src/lib.rs:668:43
[INFO] [stdout]   33:     0x65070df409d4 - test[a8007afcd3effadc]::run_test::{closure#1}
[INFO] [stdout]                                at /rustc/33835004928d3bf65db4d4712e1330766263b0bd/library/test/src/lib.rs:698:41
[INFO] [stdout]   34:     0x65070df409d4 - std[ec419fa8110287d5]::sys::backtrace::__rust_begin_short_backtrace::<test[a8007afcd3effadc]::run_test::{closure#1}, ()>
[INFO] [stdout]                                at /rustc/33835004928d3bf65db4d4712e1330766263b0bd/library/std/src/sys/backtrace.rs:166:18
[INFO] [stdout]   35:     0x65070df48c02 - std[ec419fa8110287d5]::thread::lifecycle::spawn_unchecked::<test[a8007afcd3effadc]::run_test::{closure#1}, ()>::{closure#1}::{closure#0}
[INFO] [stdout]                                at /rustc/33835004928d3bf65db4d4712e1330766263b0bd/library/std/src/thread/lifecycle.rs:70:13
[INFO] [stdout]   36:     0x65070df48c02 - <core[35159d6ffb30e017]::panic::unwind_safe::AssertUnwindSafe<std[ec419fa8110287d5]::thread::lifecycle::spawn_unchecked<test[a8007afcd3effadc]::run_test::{closure#1}, ()>::{closure#1}::{closure#0}> as core[35159d6ffb30e017]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]                                at /rustc/33835004928d3bf65db4d4712e1330766263b0bd/library/core/src/panic/unwind_safe.rs:275:9
[INFO] [stdout]   37:     0x65070df48c02 - std[ec419fa8110287d5]::panicking::catch_unwind::do_call::<core[35159d6ffb30e017]::panic::unwind_safe::AssertUnwindSafe<std[ec419fa8110287d5]::thread::lifecycle::spawn_unchecked<test[a8007afcd3effadc]::run_test::{closure#1}, ()>::{closure#1}::{closure#0}>, ()>
[INFO] [stdout]                                at /rustc/33835004928d3bf65db4d4712e1330766263b0bd/library/std/src/panicking.rs:581:40
[INFO] [stdout]   38:     0x65070df48c02 - std[ec419fa8110287d5]::panicking::catch_unwind::<(), core[35159d6ffb30e017]::panic::unwind_safe::AssertUnwindSafe<std[ec419fa8110287d5]::thread::lifecycle::spawn_unchecked<test[a8007afcd3effadc]::run_test::{closure#1}, ()>::{closure#1}::{closure#0}>>
[INFO] [stdout]                                at /rustc/33835004928d3bf65db4d4712e1330766263b0bd/library/std/src/panicking.rs:544:19
[INFO] [stdout]   39:     0x65070df48c02 - std[ec419fa8110287d5]::panic::catch_unwind::<core[35159d6ffb30e017]::panic::unwind_safe::AssertUnwindSafe<std[ec419fa8110287d5]::thread::lifecycle::spawn_unchecked<test[a8007afcd3effadc]::run_test::{closure#1}, ()>::{closure#1}::{closure#0}>, ()>
[INFO] [stdout]                                at /rustc/33835004928d3bf65db4d4712e1330766263b0bd/library/std/src/panic.rs:359:14
[INFO] [stdout]   40:     0x65070df48c02 - std[ec419fa8110287d5]::thread::lifecycle::spawn_unchecked::<test[a8007afcd3effadc]::run_test::{closure#1}, ()>::{closure#1}
[INFO] [stdout]                                at /rustc/33835004928d3bf65db4d4712e1330766263b0bd/library/std/src/thread/lifecycle.rs:68:26
[INFO] [stdout]   41:     0x65070df48c02 - <std[ec419fa8110287d5]::thread::lifecycle::spawn_unchecked<test[a8007afcd3effadc]::run_test::{closure#1}, ()>::{closure#1} as core[35159d6ffb30e017]::ops::function::FnOnce<()>>::call_once::{shim:vtable#0}
[INFO] [stdout]                                at /rustc/33835004928d3bf65db4d4712e1330766263b0bd/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   42:     0x65070e02acdf - <alloc[a8a7aba520129d98]::boxed::Box<dyn core[35159d6ffb30e017]::ops::function::FnOnce<(), Output = ()> + core[35159d6ffb30e017]::marker::Send> as core[35159d6ffb30e017]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]                                at /rustc/33835004928d3bf65db4d4712e1330766263b0bd/library/alloc/src/boxed.rs:2271:9
[INFO] [stdout]   43:     0x65070e02acdf - <std[ec419fa8110287d5]::sys::thread::unix::Thread>::new::thread_start
[INFO] [stdout]                                at /rustc/33835004928d3bf65db4d4712e1330766263b0bd/library/std/src/sys/thread/unix.rs:118:17
[INFO] [stdout]   44:     0x79f6b45d8aa4 - <unknown>
[INFO] [stdout]   45:     0x79f6b4665a64 - clone
[INFO] [stdout]   46:                0x0 - <unknown>
[INFO] [stdout] 
[INFO] [stdout] ---- fix_flag_applies_ruff_fixes_and_exits_zero stdout ----
[INFO] [stdout] 
[INFO] [stdout] thread 'fix_flag_applies_ruff_fixes_and_exits_zero' (30) panicked at /rustc/33835004928d3bf65db4d4712e1330766263b0bd/library/core/src/ops/function.rs:250:5:
[INFO] [stdout] Unexpected failure.
[INFO] [stdout] code=1
[INFO] [stdout] stderr=``````
[INFO] [stdout] Error: failed to spawn ruff — is it installed and on PATH?
[INFO] [stdout] 
[INFO] [stdout] Caused by:
[INFO] [stdout]     No such file or directory (os error 2)
[INFO] [stdout] 
[INFO] [stdout] Stack backtrace:
[INFO] [stdout]    0: <std::io::error::Error as anyhow::context::ext::StdError>::ext_context::<&str>
[INFO] [stdout]              at /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/anyhow-1.0.102/src/backtrace.rs:10:14
[INFO] [stdout]    1: <core::result::Result<std::process::Output, std::io::error::Error> as anyhow::Context<std::process::Output, std::io::error::Error>>::context::<&str>
[INFO] [stdout]              at /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/anyhow-1.0.102/src/context.rs:54:37
[INFO] [stdout]    2: ruffian::ruff::check
[INFO] [stdout]              at ./src/ruff.rs:34:10
[INFO] [stdout]    3: ruffian::runner::run_check::{closure#1}
[INFO] [stdout]              at ./src/runner.rs:44:9
[INFO] [stdout]    4: std::sys::backtrace::__rust_begin_short_backtrace::<ruffian::runner::run_check::{closure#1}, core::result::Result<alloc::vec::Vec<ruffian::ruff::Violation>, anyhow::Error>>
[INFO] [stdout]              at /rustc/33835004928d3bf65db4d4712e1330766263b0bd/library/std/src/sys/backtrace.rs:166:18
[INFO] [stdout]    5: std::thread::lifecycle::spawn_unchecked::<ruffian::runner::run_check::{closure#1}, core::result::Result<alloc::vec::Vec<ruffian::ruff::Violation>, anyhow::Error>>::{closure#1}::{closure#0}
[INFO] [stdout]              at /rustc/33835004928d3bf65db4d4712e1330766263b0bd/library/std/src/thread/lifecycle.rs:70:13
[INFO] [stdout]    6: <core::panic::unwind_safe::AssertUnwindSafe<std::thread::lifecycle::spawn_unchecked<ruffian::runner::run_check::{closure#1}, core::result::Result<alloc::vec::Vec<ruffian::ruff::Violation>, anyhow::Error>>::{closure#1}::{closure#0}> as core::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]              at /rustc/33835004928d3bf65db4d4712e1330766263b0bd/library/core/src/panic/unwind_safe.rs:275:9
[INFO] [stdout]    7: std::panicking::catch_unwind::do_call::<core::panic::unwind_safe::AssertUnwindSafe<std::thread::lifecycle::spawn_unchecked<ruffian::runner::run_check::{closure#1}, core::result::Result<alloc::vec::Vec<ruffian::ruff::Violation>, anyhow::Error>>::{closure#1}::{closure#0}>, core::result::Result<alloc::vec::Vec<ruffian::ruff::Violation>, anyhow::Error>>
[INFO] [stdout]              at /rustc/33835004928d3bf65db4d4712e1330766263b0bd/library/std/src/panicking.rs:581:40
[INFO] [stdout]    8: __rust_try
[INFO] [stdout]    9: std::panicking::catch_unwind::<core::result::Result<alloc::vec::Vec<ruffian::ruff::Violation>, anyhow::Error>, core::panic::unwind_safe::AssertUnwindSafe<std::thread::lifecycle::spawn_unchecked<ruffian::runner::run_check::{closure#1}, core::result::Result<alloc::vec::Vec<ruffian::ruff::Violation>, anyhow::Error>>::{closure#1}::{closure#0}>>
[INFO] [stdout]              at /rustc/33835004928d3bf65db4d4712e1330766263b0bd/library/std/src/panicking.rs:544:19
[INFO] [stdout]   10: std::panic::catch_unwind::<core::panic::unwind_safe::AssertUnwindSafe<std::thread::lifecycle::spawn_unchecked<ruffian::runner::run_check::{closure#1}, core::result::Result<alloc::vec::Vec<ruffian::ruff::Violation>, anyhow::Error>>::{closure#1}::{closure#0}>, core::result::Result<alloc::vec::Vec<ruffian::ruff::Violation>, anyhow::Error>>
[INFO] [stdout]              at /rustc/33835004928d3bf65db4d4712e1330766263b0bd/library/std/src/panic.rs:359:14
[INFO] [stdout]   11: std::thread::lifecycle::spawn_unchecked::<ruffian::runner::run_check::{closure#1}, core::result::Result<alloc::vec::Vec<ruffian::ruff::Violation>, anyhow::Error>>::{closure#1}
[INFO] [stdout]              at /rustc/33835004928d3bf65db4d4712e1330766263b0bd/library/std/src/thread/lifecycle.rs:68:26
[INFO] [stdout]   12: <std::thread::lifecycle::spawn_unchecked<ruffian::runner::run_check::{closure#1}, core::result::Result<alloc::vec::Vec<ruffian::ruff::Violation>, anyhow::Error>>::{closure#1} as core::ops::function::FnOnce<()>>::call_once::{shim:vtable#0}
[INFO] [stdout]              at /rustc/33835004928d3bf65db4d4712e1330766263b0bd/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   13: <alloc::boxed::Box<dyn core::ops::function::FnOnce<(), Output = ()> + core::marker::Send> as core::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]              at /rustc/33835004928d3bf65db4d4712e1330766263b0bd/library/alloc/src/boxed.rs:2271:9
[INFO] [stdout]   14: <std::sys::thread::unix::Thread>::new::thread_start
[INFO] [stdout]              at /rustc/33835004928d3bf65db4d4712e1330766263b0bd/library/std/src/sys/thread/unix.rs:118:17
[INFO] [stdout]   15: <unknown>
[INFO] [stdout]   16: clone
[INFO] [stdout] ```
[INFO] [stdout] ```
[INFO] [stdout] command=`"/opt/rustwide/target/debug/ruffian" "check" "--fix" "/tmp/.tmpgfIhfT/fixable.py"`
[INFO] [stdout] code=1
[INFO] [stdout] stdout=""
[INFO] [stdout] stderr=```
[INFO] [stdout] Error: failed to spawn ruff — is it installed and on PATH?
[INFO] [stdout] 
[INFO] [stdout] Caused by:
[INFO] [stdout]     No such file or directory (os error 2)
[INFO] [stdout] 
[INFO] [stdout] Stack backtrace:
[INFO] [stdout]    0: <std::io::error::Error as anyhow::context::ext::StdError>::ext_context::<&str>
[INFO] [stdout]              at /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/anyhow-1.0.102/src/backtrace.rs:10:14
[INFO] [stdout]    1: <core::result::Result<std::process::Output, std::io::error::Error> as anyhow::Context<std::process::Output, std::io::error::Error>>::context::<&str>
[INFO] [stdout]              at /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/anyhow-1.0.102/src/context.rs:54:37
[INFO] [stdout]    2: ruffian::ruff::check
[INFO] [stdout]              at ./src/ruff.rs:34:10
[INFO] [stdout]    3: ruffian::runner::run_check::{closure#1}
[INFO] [stdout]              at ./src/runner.rs:44:9
[INFO] [stdout]    4: std::sys::backtrace::__rust_begin_short_backtrace::<ruffian::runner::run_check::{closure#1}, core::result::Result<alloc::vec::Vec<ruffian::ruff::Violation>, anyhow::Error>>
[INFO] [stdout]              at /rustc/33835004928d3bf65db4d4712e1330766263b0bd/library/std/src/sys/backtrace.rs:166:18
[INFO] [stdout]    5: std::thread::lifecycle::spawn_unchecked::<ruffian::runner::run_check::{closure#1}, core::result::Result<alloc::vec::Vec<ruffian::ruff::Violation>, anyhow::Error>>::{closure#1}::{closure#0}
[INFO] [stdout]              at /rustc/33835004928d3bf65db4d4712e1330766263b0bd/library/std/src/thread/lifecycle.rs:70:13
[INFO] [stdout]    6: <core::panic::unwind_safe::AssertUnwindSafe<std::thread::lifecycle::spawn_unchecked<ruffian::runner::run_check::{closure#1}, core::result::Result<alloc::vec::Vec<ruffian::ruff::Violation>, anyhow::Error>>::{closure#1}::{closure#0}> as core::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]              at /rustc/33835004928d3bf65db4d4712e1330766263b0bd/library/core/src/panic/unwind_safe.rs:275:9
[INFO] [stdout]    7: std::panicking::catch_unwind::do_call::<core::panic::unwind_safe::AssertUnwindSafe<std::thread::lifecycle::spawn_unchecked<ruffian::runner::run_check::{closure#1}, core::result::Result<alloc::vec::Vec<ruffian::ruff::Violation>, anyhow::Error>>::{closure#1}::{closure#0}>, core::result::Result<alloc::vec::Vec<ruffian::ruff::Violation>, anyhow::Error>>
[INFO] [stdout]              at /rustc/33835004928d3bf65db4d4712e1330766263b0bd/library/std/src/panicking.rs:581:40
[INFO] [stdout]    8: __rust_try
[INFO] [stdout]    9: std::panicking::catch_unwind::<core::result::Result<alloc::vec::Vec<ruffian::ruff::Violation>, anyhow::Error>, core::panic::unwind_safe::AssertUnwindSafe<std::thread::lifecycle::spawn_unchecked<ruffian::runner::run_check::{closure#1}, core::result::Result<alloc::vec::Vec<ruffian::ruff::Violation>, anyhow::Error>>::{closure#1}::{closure#0}>>
[INFO] [stdout]              at /rustc/33835004928d3bf65db4d4712e1330766263b0bd/library/std/src/panicking.rs:544:19
[INFO] [stdout]   10: std::panic::catch_unwind::<core::panic::unwind_safe::AssertUnwindSafe<std::thread::lifecycle::spawn_unchecked<ruffian::runner::run_check::{closure#1}, core::result::Result<alloc::vec::Vec<ruffian::ruff::Violation>, anyhow::Error>>::{closure#1}::{closure#0}>, core::result::Result<alloc::vec::Vec<ruffian::ruff::Violation>, anyhow::Error>>
[INFO] [stdout]              at /rustc/33835004928d3bf65db4d4712e1330766263b0bd/library/std/src/panic.rs:359:14
[INFO] [stdout]   11: std::thread::lifecycle::spawn_unchecked::<ruffian::runner::run_check::{closure#1}, core::result::Result<alloc::vec::Vec<ruffian::ruff::Violation>, anyhow::Error>>::{closure#1}
[INFO] [stdout]              at /rustc/33835004928d3bf65db4d4712e1330766263b0bd/library/std/src/thread/lifecycle.rs:68:26
[INFO] [stdout]   12: <std::thread::lifecycle::spawn_unchecked<ruffian::runner::run_check::{closure#1}, core::result::Result<alloc::vec::Vec<ruffian::ruff::Violation>, anyhow::Error>>::{closure#1} as core::ops::function::FnOnce<()>>::call_once::{shim:vtable#0}
[INFO] [stdout]              at /rustc/33835004928d3bf65db4d4712e1330766263b0bd/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   13: <alloc::boxed::Box<dyn core::ops::function::FnOnce<(), Output = ()> + core::marker::Send> as core::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]              at /rustc/33835004928d3bf65db4d4712e1330766263b0bd/library/alloc/src/boxed.rs:2271:9
[INFO] [stdout]   14: <std::sys::thread::unix::Thread>::new::thread_start
[INFO] [stdout]              at /rustc/33835004928d3bf65db4d4712e1330766263b0bd/library/std/src/sys/thread/unix.rs:118:17
[INFO] [stdout]   15: <unknown>
[INFO] [stdout]   16: clone
[INFO] [stdout] ```
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] stack backtrace:
[INFO] [stdout]    0:     0x65070e02b96a - std[ec419fa8110287d5]::backtrace_rs::backtrace::libunwind::trace
[INFO] [stdout]                                at /rustc/33835004928d3bf65db4d4712e1330766263b0bd/library/std/src/../../backtrace/src/backtrace/libunwind.rs:117:9
[INFO] [stdout]    1:     0x65070e02b96a - std[ec419fa8110287d5]::backtrace_rs::backtrace::trace_unsynchronized::<std[ec419fa8110287d5]::sys::backtrace::_print_fmt::{closure#1}>
[INFO] [stdout]                                at /rustc/33835004928d3bf65db4d4712e1330766263b0bd/library/std/src/../../backtrace/src/backtrace/mod.rs:66:14
[INFO] [stdout]    2:     0x65070e02b96a - std[ec419fa8110287d5]::sys::backtrace::_print_fmt
[INFO] [stdout]                                at /rustc/33835004928d3bf65db4d4712e1330766263b0bd/library/std/src/sys/backtrace.rs:74:9
[INFO] [stdout]    3:     0x65070e02b96a - <<std[ec419fa8110287d5]::sys::backtrace::BacktraceLock>::print::DisplayBacktrace as core[35159d6ffb30e017]::fmt::Display>::fmt
[INFO] [stdout]                                at /rustc/33835004928d3bf65db4d4712e1330766263b0bd/library/std/src/sys/backtrace.rs:44:26
[INFO] [stdout]    4:     0x65070e04218a - <core[35159d6ffb30e017]::fmt::rt::Argument>::fmt
[INFO] [stdout]                                at /rustc/33835004928d3bf65db4d4712e1330766263b0bd/library/core/src/fmt/rt.rs:152:76
[INFO] [stdout]    5:     0x65070e04218a - core[35159d6ffb30e017]::fmt::write
[INFO] [stdout]    6:     0x65070e0316f2 - std[ec419fa8110287d5]::io::default_write_fmt::<alloc[a8a7aba520129d98]::vec::Vec<u8>>
[INFO] [stdout]                                at /rustc/33835004928d3bf65db4d4712e1330766263b0bd/library/std/src/io/mod.rs:621:11
[INFO] [stdout]    7:     0x65070e0316f2 - <alloc[a8a7aba520129d98]::vec::Vec<u8> as std[ec419fa8110287d5]::io::Write>::write_fmt
[INFO] [stdout]                                at /rustc/33835004928d3bf65db4d4712e1330766263b0bd/library/std/src/io/mod.rs:1976:13
[INFO] [stdout]    8:     0x65070e00860f - <std[ec419fa8110287d5]::sys::backtrace::BacktraceLock>::print
[INFO] [stdout]                                at /rustc/33835004928d3bf65db4d4712e1330766263b0bd/library/std/src/sys/backtrace.rs:47:9
[INFO] [stdout]    9:     0x65070e00860f - std[ec419fa8110287d5]::panicking::default_hook::{closure#0}
[INFO] [stdout]                                at /rustc/33835004928d3bf65db4d4712e1330766263b0bd/library/std/src/panicking.rs:292:27
[INFO] [stdout]   10:     0x65070e023149 - std[ec419fa8110287d5]::panicking::default_hook
[INFO] [stdout]                                at /rustc/33835004928d3bf65db4d4712e1330766263b0bd/library/std/src/panicking.rs:316:9
[INFO] [stdout]   11:     0x65070df4552c - <alloc[a8a7aba520129d98]::boxed::Box<dyn for<'a, 'b> core[35159d6ffb30e017]::ops::function::Fn<(&'a std[ec419fa8110287d5]::panic::PanicHookInfo<'b>,), Output = ()> + core[35159d6ffb30e017]::marker::Sync + core[35159d6ffb30e017]::marker::Send> as core[35159d6ffb30e017]::ops::function::Fn<(&std[ec419fa8110287d5]::panic::PanicHookInfo,)>>::call
[INFO] [stdout]                                at /rustc/33835004928d3bf65db4d4712e1330766263b0bd/library/alloc/src/boxed.rs:2285:9
[INFO] [stdout]   12:     0x65070df4552c - test[a8007afcd3effadc]::test_main_inner::<test[a8007afcd3effadc]::test_main_static::{closure#0}>::{closure#0}
[INFO] [stdout]                                at /rustc/33835004928d3bf65db4d4712e1330766263b0bd/library/test/src/lib.rs:155:21
[INFO] [stdout]   13:     0x65070e023302 - <alloc[a8a7aba520129d98]::boxed::Box<dyn for<'a, 'b> core[35159d6ffb30e017]::ops::function::Fn<(&'a std[ec419fa8110287d5]::panic::PanicHookInfo<'b>,), Output = ()> + core[35159d6ffb30e017]::marker::Sync + core[35159d6ffb30e017]::marker::Send> as core[35159d6ffb30e017]::ops::function::Fn<(&std[ec419fa8110287d5]::panic::PanicHookInfo,)>>::call
[INFO] [stdout]                                at /rustc/33835004928d3bf65db4d4712e1330766263b0bd/library/alloc/src/boxed.rs:2285:9
[INFO] [stdout]   14:     0x65070e023302 - std[ec419fa8110287d5]::panicking::panic_with_hook
[INFO] [stdout]                                at /rustc/33835004928d3bf65db4d4712e1330766263b0bd/library/std/src/panicking.rs:833:13
[INFO] [stdout]   15:     0x65070e0086c8 - std[ec419fa8110287d5]::panicking::panic_handler::{closure#0}
[INFO] [stdout]                                at /rustc/33835004928d3bf65db4d4712e1330766263b0bd/library/std/src/panicking.rs:698:13
[INFO] [stdout]   16:     0x65070dfffe39 - std[ec419fa8110287d5]::sys::backtrace::__rust_end_short_backtrace::<std[ec419fa8110287d5]::panicking::panic_handler::{closure#0}, !>
[INFO] [stdout]                                at /rustc/33835004928d3bf65db4d4712e1330766263b0bd/library/std/src/sys/backtrace.rs:182:18
[INFO] [stdout]   17:     0x65070e00946d - __rustc[cfb3622dd870db93]::rust_begin_unwind
[INFO] [stdout]                                at /rustc/33835004928d3bf65db4d4712e1330766263b0bd/library/std/src/panicking.rs:689:5
[INFO] [stdout]   18:     0x65070e04299c - core[35159d6ffb30e017]::panicking::panic_fmt
[INFO] [stdout]                                at /rustc/33835004928d3bf65db4d4712e1330766263b0bd/library/core/src/panicking.rs:80:14
[INFO] [stdout]   19:     0x65070dfb0708 - core[35159d6ffb30e017]::panicking::panic_display::<assert_cmd[35950e0b123f7429]::assert::AssertError>
[INFO] [stdout]                                at /rustc/33835004928d3bf65db4d4712e1330766263b0bd/library/core/src/panicking.rs:259:5
[INFO] [stdout]   20:     0x65070dfae9f7 - <assert_cmd[35950e0b123f7429]::assert::AssertError>::panic::<assert_cmd[35950e0b123f7429]::assert::Assert>
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/assert_cmd-2.2.1/src/assert.rs:1036:9
[INFO] [stdout]   21:     0x65070dfb42b7 - <<assert_cmd[35950e0b123f7429]::assert::AssertError>::panic<assert_cmd[35950e0b123f7429]::assert::Assert> as core[35159d6ffb30e017]::ops::function::FnOnce<(assert_cmd[35950e0b123f7429]::assert::AssertError,)>>::call_once
[INFO] [stdout]                                at /rustc/33835004928d3bf65db4d4712e1330766263b0bd/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   22:     0x65070dfb4634 - <core[35159d6ffb30e017]::result::Result<assert_cmd[35950e0b123f7429]::assert::Assert, assert_cmd[35950e0b123f7429]::assert::AssertError>>::unwrap_or_else::<<assert_cmd[35950e0b123f7429]::assert::AssertError>::panic<assert_cmd[35950e0b123f7429]::assert::Assert>>
[INFO] [stdout]                                at /rustc/33835004928d3bf65db4d4712e1330766263b0bd/library/core/src/result.rs:1622:23
[INFO] [stdout]   23:     0x65070dfb1f90 - <assert_cmd[35950e0b123f7429]::assert::Assert>::success
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/assert_cmd-2.2.1/src/assert.rs:161:28
[INFO] [stdout]   24:     0x65070df33e8b - integration[c26367521ce6f8e0]::fix_flag_applies_ruff_fixes_and_exits_zero
[INFO] [stdout]                                at /opt/rustwide/workdir/tests/integration/test_check.rs:454:10
[INFO] [stdout]   25:     0x65070df2dc97 - integration[c26367521ce6f8e0]::fix_flag_applies_ruff_fixes_and_exits_zero::{closure#0}
[INFO] [stdout]                                at /opt/rustwide/workdir/tests/integration/test_check.rs:445:48
[INFO] [stdout]   26:     0x65070df38526 - <integration[c26367521ce6f8e0]::fix_flag_applies_ruff_fixes_and_exits_zero::{closure#0} as core[35159d6ffb30e017]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]                                at /rustc/33835004928d3bf65db4d4712e1330766263b0bd/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   27:     0x65070df3880b - <fn() -> core[35159d6ffb30e017]::result::Result<(), alloc[a8a7aba520129d98]::string::String> as core[35159d6ffb30e017]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]                                at /rustc/33835004928d3bf65db4d4712e1330766263b0bd/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   28:     0x65070df3880b - test[a8007afcd3effadc]::__rust_begin_short_backtrace::<core[35159d6ffb30e017]::result::Result<(), alloc[a8a7aba520129d98]::string::String>, fn() -> core[35159d6ffb30e017]::result::Result<(), alloc[a8a7aba520129d98]::string::String>>
[INFO] [stdout]                                at /rustc/33835004928d3bf65db4d4712e1330766263b0bd/library/test/src/lib.rs:724:18
[INFO] [stdout]   29:     0x65070df45ffb - test[a8007afcd3effadc]::run_test_in_process::{closure#0}
[INFO] [stdout]                                at /rustc/33835004928d3bf65db4d4712e1330766263b0bd/library/test/src/lib.rs:747:74
[INFO] [stdout]   30:     0x65070df45ffb - <core[35159d6ffb30e017]::panic::unwind_safe::AssertUnwindSafe<test[a8007afcd3effadc]::run_test_in_process::{closure#0}> as core[35159d6ffb30e017]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]                                at /rustc/33835004928d3bf65db4d4712e1330766263b0bd/library/core/src/panic/unwind_safe.rs:275:9
[INFO] [stdout]   31:     0x65070df45ffb - std[ec419fa8110287d5]::panicking::catch_unwind::do_call::<core[35159d6ffb30e017]::panic::unwind_safe::AssertUnwindSafe<test[a8007afcd3effadc]::run_test_in_process::{closure#0}>, core[35159d6ffb30e017]::result::Result<(), alloc[a8a7aba520129d98]::string::String>>
[INFO] [stdout]                                at /rustc/33835004928d3bf65db4d4712e1330766263b0bd/library/std/src/panicking.rs:581:40
[INFO] [stdout]   32:     0x65070df45ffb - std[ec419fa8110287d5]::panicking::catch_unwind::<core[35159d6ffb30e017]::result::Result<(), alloc[a8a7aba520129d98]::string::String>, core[35159d6ffb30e017]::panic::unwind_safe::AssertUnwindSafe<test[a8007afcd3effadc]::run_test_in_process::{closure#0}>>
[INFO] [stdout]                                at /rustc/33835004928d3bf65db4d4712e1330766263b0bd/library/std/src/panicking.rs:544:19
[INFO] [stdout]   33:     0x65070df45ffb - std[ec419fa8110287d5]::panic::catch_unwind::<core[35159d6ffb30e017]::panic::unwind_safe::AssertUnwindSafe<test[a8007afcd3effadc]::run_test_in_process::{closure#0}>, core[35159d6ffb30e017]::result::Result<(), alloc[a8a7aba520129d98]::string::String>>
[INFO] [stdout]                                at /rustc/33835004928d3bf65db4d4712e1330766263b0bd/library/std/src/panic.rs:359:14
[INFO] [stdout]   34:     0x65070df45ffb - test[a8007afcd3effadc]::run_test_in_process
[INFO] [stdout]                                at /rustc/33835004928d3bf65db4d4712e1330766263b0bd/library/test/src/lib.rs:747:27
[INFO] [stdout]   35:     0x65070df45ffb - test[a8007afcd3effadc]::run_test::{closure#0}
[INFO] [stdout]                                at /rustc/33835004928d3bf65db4d4712e1330766263b0bd/library/test/src/lib.rs:668:43
[INFO] [stdout]   36:     0x65070df409d4 - test[a8007afcd3effadc]::run_test::{closure#1}
[INFO] [stdout]                                at /rustc/33835004928d3bf65db4d4712e1330766263b0bd/library/test/src/lib.rs:698:41
[INFO] [stdout]   37:     0x65070df409d4 - std[ec419fa8110287d5]::sys::backtrace::__rust_begin_short_backtrace::<test[a8007afcd3effadc]::run_test::{closure#1}, ()>
[INFO] [stdout]                                at /rustc/33835004928d3bf65db4d4712e1330766263b0bd/library/std/src/sys/backtrace.rs:166:18
[INFO] [stdout]   38:     0x65070df48c02 - std[ec419fa8110287d5]::thread::lifecycle::spawn_unchecked::<test[a8007afcd3effadc]::run_test::{closure#1}, ()>::{closure#1}::{closure#0}
[INFO] [stdout]                                at /rustc/33835004928d3bf65db4d4712e1330766263b0bd/library/std/src/thread/lifecycle.rs:70:13
[INFO] [stdout]   39:     0x65070df48c02 - <core[35159d6ffb30e017]::panic::unwind_safe::AssertUnwindSafe<std[ec419fa8110287d5]::thread::lifecycle::spawn_unchecked<test[a8007afcd3effadc]::run_test::{closure#1}, ()>::{closure#1}::{closure#0}> as core[35159d6ffb30e017]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]                                at /rustc/33835004928d3bf65db4d4712e1330766263b0bd/library/core/src/panic/unwind_safe.rs:275:9
[INFO] [stdout]   40:     0x65070df48c02 - std[ec419fa8110287d5]::panicking::catch_unwind::do_call::<core[35159d6ffb30e017]::panic::unwind_safe::AssertUnwindSafe<std[ec419fa8110287d5]::thread::lifecycle::spawn_unchecked<test[a8007afcd3effadc]::run_test::{closure#1}, ()>::{closure#1}::{closure#0}>, ()>
[INFO] [stdout]                                at /rustc/33835004928d3bf65db4d4712e1330766263b0bd/library/std/src/panicking.rs:581:40
[INFO] [stdout]   41:     0x65070df48c02 - std[ec419fa8110287d5]::panicking::catch_unwind::<(), core[35159d6ffb30e017]::panic::unwind_safe::AssertUnwindSafe<std[ec419fa8110287d5]::thread::lifecycle::spawn_unchecked<test[a8007afcd3effadc]::run_test::{closure#1}, ()>::{closure#1}::{closure#0}>>
[INFO] [stdout]                                at /rustc/33835004928d3bf65db4d4712e1330766263b0bd/library/std/src/panicking.rs:544:19
[INFO] [stdout]   42:     0x65070df48c02 - std[ec419fa8110287d5]::panic::catch_unwind::<core[35159d6ffb30e017]::panic::unwind_safe::AssertUnwindSafe<std[ec419fa8110287d5]::thread::lifecycle::spawn_unchecked<test[a8007afcd3effadc]::run_test::{closure#1}, ()>::{closure#1}::{closure#0}>, ()>
[INFO] [stdout]                                at /rustc/33835004928d3bf65db4d4712e1330766263b0bd/library/std/src/panic.rs:359:14
[INFO] [stdout]   43:     0x65070df48c02 - std[ec419fa8110287d5]::thread::lifecycle::spawn_unchecked::<test[a8007afcd3effadc]::run_test::{closure#1}, ()>::{closure#1}
[INFO] [stdout]                                at /rustc/33835004928d3bf65db4d4712e1330766263b0bd/library/std/src/thread/lifecycle.rs:68:26
[INFO] [stdout]   44:     0x65070df48c02 - <std[ec419fa8110287d5]::thread::lifecycle::spawn_unchecked<test[a8007afcd3effadc]::run_test::{closure#1}, ()>::{closure#1} as core[35159d6ffb30e017]::ops::function::FnOnce<()>>::call_once::{shim:vtable#0}
[INFO] [stdout]                                at /rustc/33835004928d3bf65db4d4712e1330766263b0bd/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   45:     0x65070e02acdf - <alloc[a8a7aba520129d98]::boxed::Box<dyn core[35159d6ffb30e017]::ops::function::FnOnce<(), Output = ()> + core[35159d6ffb30e017]::marker::Send> as core[35159d6ffb30e017]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]                                at /rustc/33835004928d3bf65db4d4712e1330766263b0bd/library/alloc/src/boxed.rs:2271:9
[INFO] [stdout]   46:     0x65070e02acdf - <std[ec419fa8110287d5]::sys::thread::unix::Thread>::new::thread_start
[INFO] [stdout]                                at /rustc/33835004928d3bf65db4d4712e1330766263b0bd/library/std/src/sys/thread/unix.rs:118:17
[INFO] [stdout]   47:     0x79f6b45d8aa4 - <unknown>
[INFO] [stdout]   48:     0x79f6b4665a64 - clone
[INFO] [stdout]   49:                0x0 - <unknown>
[INFO] [stdout] 
[INFO] [stdout] ---- plugin_nonzero_exit_does_not_count_as_lint_failure stdout ----
[INFO] [stdout] 
[INFO] [stdout] thread 'plugin_nonzero_exit_does_not_count_as_lint_failure' (375) panicked at /rustc/33835004928d3bf65db4d4712e1330766263b0bd/library/core/src/ops/function.rs:250:5:
[INFO] [stdout] Unexpected failure.
[INFO] [stdout] code=1
[INFO] [stdout] stderr=``````
[INFO] [stdout] Error: failed to spawn ruff — is it installed and on PATH?
[INFO] [stdout] 
[INFO] [stdout] Caused by:
[INFO] [stdout]     No such file or directory (os error 2)
[INFO] [stdout] 
[INFO] [stdout] Stack backtrace:
[INFO] [stdout]    0: <std::io::error::Error as anyhow::context::ext::StdError>::ext_context::<&str>
[INFO] [stdout]              at /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/anyhow-1.0.102/src/backtrace.rs:10:14
[INFO] [stdout]    1: <core::result::Result<std::process::Output, std::io::error::Error> as anyhow::Context<std::process::Output, std::io::error::Error>>::context::<&str>
[INFO] [stdout]              at /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/anyhow-1.0.102/src/context.rs:54:37
[INFO] [stdout]    2: ruffian::ruff::check
[INFO] [stdout]              at /opt/rustwide/workdir/src/ruff.rs:34:10
[INFO] [stdout]    3: ruffian::runner::run_check::{closure#1}
[INFO] [stdout]              at /opt/rustwide/workdir/src/runner.rs:44:9
[INFO] [stdout]    4: std::sys::backtrace::__rust_begin_short_backtrace::<ruffian::runner::run_check::{closure#1}, core::result::Result<alloc::vec::Vec<ruffian::ruff::Violation>, anyhow::Error>>
[INFO] [stdout]              at /rustc/33835004928d3bf65db4d4712e1330766263b0bd/library/std/src/sys/backtrace.rs:166:18
[INFO] [stdout]    5: std::thread::lifecycle::spawn_unchecked::<ruffian::runner::run_check::{closure#1}, core::result::Result<alloc::vec::Vec<ruffian::ruff::Violation>, anyhow::Error>>::{closure#1}::{closure#0}
[INFO] [stdout]              at /rustc/33835004928d3bf65db4d4712e1330766263b0bd/library/std/src/thread/lifecycle.rs:70:13
[INFO] [stdout]    6: <core::panic::unwind_safe::AssertUnwindSafe<std::thread::lifecycle::spawn_unchecked<ruffian::runner::run_check::{closure#1}, core::result::Result<alloc::vec::Vec<ruffian::ruff::Violation>, anyhow::Error>>::{closure#1}::{closure#0}> as core::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]              at /rustc/33835004928d3bf65db4d4712e1330766263b0bd/library/core/src/panic/unwind_safe.rs:275:9
[INFO] [stdout]    7: std::panicking::catch_unwind::do_call::<core::panic::unwind_safe::AssertUnwindSafe<std::thread::lifecycle::spawn_unchecked<ruffian::runner::run_check::{closure#1}, core::result::Result<alloc::vec::Vec<ruffian::ruff::Violation>, anyhow::Error>>::{closure#1}::{closure#0}>, core::result::Result<alloc::vec::Vec<ruffian::ruff::Violation>, anyhow::Error>>
[INFO] [stdout]              at /rustc/33835004928d3bf65db4d4712e1330766263b0bd/library/std/src/panicking.rs:581:40
[INFO] [stdout]    8: __rust_try
[INFO] [stdout]    9: std::panicking::catch_unwind::<core::result::Result<alloc::vec::Vec<ruffian::ruff::Violation>, anyhow::Error>, core::panic::unwind_safe::AssertUnwindSafe<std::thread::lifecycle::spawn_unchecked<ruffian::runner::run_check::{closure#1}, core::result::Result<alloc::vec::Vec<ruffian::ruff::Violation>, anyhow::Error>>::{closure#1}::{closure#0}>>
[INFO] [stdout]              at /rustc/33835004928d3bf65db4d4712e1330766263b0bd/library/std/src/panicking.rs:544:19
[INFO] [stdout]   10: std::panic::catch_unwind::<core::panic::unwind_safe::AssertUnwindSafe<std::thread::lifecycle::spawn_unchecked<ruffian::runner::run_check::{closure#1}, core::result::Result<alloc::vec::Vec<ruffian::ruff::Violation>, anyhow::Error>>::{closure#1}::{closure#0}>, core::result::Result<alloc::vec::Vec<ruffian::ruff::Violation>, anyhow::Error>>
[INFO] [stdout]              at /rustc/33835004928d3bf65db4d4712e1330766263b0bd/library/std/src/panic.rs:359:14
[INFO] [stdout]   11: std::thread::lifecycle::spawn_unchecked::<ruffian::runner::run_check::{closure#1}, core::result::Result<alloc::vec::Vec<ruffian::ruff::Violation>, anyhow::Error>>::{closure#1}
[INFO] [stdout]              at /rustc/33835004928d3bf65db4d4712e1330766263b0bd/library/std/src/thread/lifecycle.rs:68:26
[INFO] [stdout]   12: <std::thread::lifecycle::spawn_unchecked<ruffian::runner::run_check::{closure#1}, core::result::Result<alloc::vec::Vec<ruffian::ruff::Violation>, anyhow::Error>>::{closure#1} as core::ops::function::FnOnce<()>>::call_once::{shim:vtable#0}
[INFO] [stdout]              at /rustc/33835004928d3bf65db4d4712e1330766263b0bd/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   13: <alloc::boxed::Box<dyn core::ops::function::FnOnce<(), Output = ()> + core::marker::Send> as core::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]              at /rustc/33835004928d3bf65db4d4712e1330766263b0bd/library/alloc/src/boxed.rs:2271:9
[INFO] [stdout]   14: <std::sys::thread::unix::Thread>::new::thread_start
[INFO] [stdout]              at /rustc/33835004928d3bf65db4d4712e1330766263b0bd/library/std/src/sys/thread/unix.rs:118:17
[INFO] [stdout]   15: <unknown>
[INFO] [stdout]   16: clone
[INFO] [stdout] ```
[INFO] [stdout] ```
[INFO] [stdout] command=`cd "/tmp/.tmpN42hzU" && "/opt/rustwide/target/debug/ruffian" "check" "/tmp/.tmpN42hzU/a.py"`
[INFO] [stdout] code=1
[INFO] [stdout] stdout=""
[INFO] [stdout] stderr=```
[INFO] [stdout] Error: failed to spawn ruff — is it installed and on PATH?
[INFO] [stdout] 
[INFO] [stdout] Caused by:
[INFO] [stdout]     No such file or directory (os error 2)
[INFO] [stdout] 
[INFO] [stdout] Stack backtrace:
[INFO] [stdout]    0: <std::io::error::Error as anyhow::context::ext::StdError>::ext_context::<&str>
[INFO] [stdout]              at /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/anyhow-1.0.102/src/backtrace.rs:10:14
[INFO] [stdout]    1: <core::result::Result<std::process::Output, std::io::error::Error> as anyhow::Context<std::process::Output, std::io::error::Error>>::context::<&str>
[INFO] [stdout]              at /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/anyhow-1.0.102/src/context.rs:54:37
[INFO] [stdout]    2: ruffian::ruff::check
[INFO] [stdout]              at /opt/rustwide/workdir/src/ruff.rs:34:10
[INFO] [stdout]    3: ruffian::runner::run_check::{closure#1}
[INFO] [stdout]              at /opt/rustwide/workdir/src/runner.rs:44:9
[INFO] [stdout]    4: std::sys::backtrace::__rust_begin_short_backtrace::<ruffian::runner::run_check::{closure#1}, core::result::Result<alloc::vec::Vec<ruffian::ruff::Violation>, anyhow::Error>>
[INFO] [stdout]              at /rustc/33835004928d3bf65db4d4712e1330766263b0bd/library/std/src/sys/backtrace.rs:166:18
[INFO] [stdout]    5: std::thread::lifecycle::spawn_unchecked::<ruffian::runner::run_check::{closure#1}, core::result::Result<alloc::vec::Vec<ruffian::ruff::Violation>, anyhow::Error>>::{closure#1}::{closure#0}
[INFO] [stdout]              at /rustc/33835004928d3bf65db4d4712e1330766263b0bd/library/std/src/thread/lifecycle.rs:70:13
[INFO] [stdout]    6: <core::panic::unwind_safe::AssertUnwindSafe<std::thread::lifecycle::spawn_unchecked<ruffian::runner::run_check::{closure#1}, core::result::Result<alloc::vec::Vec<ruffian::ruff::Violation>, anyhow::Error>>::{closure#1}::{closure#0}> as core::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]              at /rustc/33835004928d3bf65db4d4712e1330766263b0bd/library/core/src/panic/unwind_safe.rs:275:9
[INFO] [stdout]    7: std::panicking::catch_unwind::do_call::<core::panic::unwind_safe::AssertUnwindSafe<std::thread::lifecycle::spawn_unchecked<ruffian::runner::run_check::{closure#1}, core::result::Result<alloc::vec::Vec<ruffian::ruff::Violation>, anyhow::Error>>::{closure#1}::{closure#0}>, core::result::Result<alloc::vec::Vec<ruffian::ruff::Violation>, anyhow::Error>>
[INFO] [stdout]              at /rustc/33835004928d3bf65db4d4712e1330766263b0bd/library/std/src/panicking.rs:581:40
[INFO] [stdout]    8: __rust_try
[INFO] [stdout]    9: std::panicking::catch_unwind::<core::result::Result<alloc::vec::Vec<ruffian::ruff::Violation>, anyhow::Error>, core::panic::unwind_safe::AssertUnwindSafe<std::thread::lifecycle::spawn_unchecked<ruffian::runner::run_check::{closure#1}, core::result::Result<alloc::vec::Vec<ruffian::ruff::Violation>, anyhow::Error>>::{closure#1}::{closure#0}>>
[INFO] [stdout]              at /rustc/33835004928d3bf65db4d4712e1330766263b0bd/library/std/src/panicking.rs:544:19
[INFO] [stdout]   10: std::panic::catch_unwind::<core::panic::unwind_safe::AssertUnwindSafe<std::thread::lifecycle::spawn_unchecked<ruffian::runner::run_check::{closure#1}, core::result::Result<alloc::vec::Vec<ruffian::ruff::Violation>, anyhow::Error>>::{closure#1}::{closure#0}>, core::result::Result<alloc::vec::Vec<ruffian::ruff::Violation>, anyhow::Error>>
[INFO] [stdout]              at /rustc/33835004928d3bf65db4d4712e1330766263b0bd/library/std/src/panic.rs:359:14
[INFO] [stdout]   11: std::thread::lifecycle::spawn_unchecked::<ruffian::runner::run_check::{closure#1}, core::result::Result<alloc::vec::Vec<ruffian::ruff::Violation>, anyhow::Error>>::{closure#1}
[INFO] [stdout]              at /rustc/33835004928d3bf65db4d4712e1330766263b0bd/library/std/src/thread/lifecycle.rs:68:26
[INFO] [stdout]   12: <std::thread::lifecycle::spawn_unchecked<ruffian::runner::run_check::{closure#1}, core::result::Result<alloc::vec::Vec<ruffian::ruff::Violation>, anyhow::Error>>::{closure#1} as core::ops::function::FnOnce<()>>::call_once::{shim:vtable#0}
[INFO] [stdout]              at /rustc/33835004928d3bf65db4d4712e1330766263b0bd/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   13: <alloc::boxed::Box<dyn core::ops::function::FnOnce<(), Output = ()> + core::marker::Send> as core::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]              at /rustc/33835004928d3bf65db4d4712e1330766263b0bd/library/alloc/src/boxed.rs:2271:9
[INFO] [stdout]   14: <std::sys::thread::unix::Thread>::new::thread_start
[INFO] [stdout]              at /rustc/33835004928d3bf65db4d4712e1330766263b0bd/library/std/src/sys/thread/unix.rs:118:17
[INFO] [stdout]   15: <unknown>
[INFO] [stdout]   16: clone
[INFO] [stdout] ```
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] stack backtrace:
[INFO] [stdout]    0:     0x65070e02b96a - std[ec419fa8110287d5]::backtrace_rs::backtrace::libunwind::trace
[INFO] [stdout]                                at /rustc/33835004928d3bf65db4d4712e1330766263b0bd/library/std/src/../../backtrace/src/backtrace/libunwind.rs:117:9
[INFO] [stdout]    1:     0x65070e02b96a - std[ec419fa8110287d5]::backtrace_rs::backtrace::trace_unsynchronized::<std[ec419fa8110287d5]::sys::backtrace::_print_fmt::{closure#1}>
[INFO] [stdout]                                at /rustc/33835004928d3bf65db4d4712e1330766263b0bd/library/std/src/../../backtrace/src/backtrace/mod.rs:66:14
[INFO] [stdout]    2:     0x65070e02b96a - std[ec419fa8110287d5]::sys::backtrace::_print_fmt
[INFO] [stdout]                                at /rustc/33835004928d3bf65db4d4712e1330766263b0bd/library/std/src/sys/backtrace.rs:74:9
[INFO] [stdout]    3:     0x65070e02b96a - <<std[ec419fa8110287d5]::sys::backtrace::BacktraceLock>::print::DisplayBacktrace as core[35159d6ffb30e017]::fmt::Display>::fmt
[INFO] [stdout]                                at /rustc/33835004928d3bf65db4d4712e1330766263b0bd/library/std/src/sys/backtrace.rs:44:26
[INFO] [stdout]    4:     0x65070e04218a - <core[35159d6ffb30e017]::fmt::rt::Argument>::fmt
[INFO] [stdout]                                at /rustc/33835004928d3bf65db4d4712e1330766263b0bd/library/core/src/fmt/rt.rs:152:76
[INFO] [stdout]    5:     0x65070e04218a - core[35159d6ffb30e017]::fmt::write
[INFO] [stdout]    6:     0x65070e0316f2 - std[ec419fa8110287d5]::io::default_write_fmt::<alloc[a8a7aba520129d98]::vec::Vec<u8>>
[INFO] [stdout]                                at /rustc/33835004928d3bf65db4d4712e1330766263b0bd/library/std/src/io/mod.rs:621:11
[INFO] [stdout]    7:     0x65070e0316f2 - <alloc[a8a7aba520129d98]::vec::Vec<u8> as std[ec419fa8110287d5]::io::Write>::write_fmt
[INFO] [stdout]                                at /rustc/33835004928d3bf65db4d4712e1330766263b0bd/library/std/src/io/mod.rs:1976:13
[INFO] [stdout]    8:     0x65070e00860f - <std[ec419fa8110287d5]::sys::backtrace::BacktraceLock>::print
[INFO] [stdout]                                at /rustc/33835004928d3bf65db4d4712e1330766263b0bd/library/std/src/sys/backtrace.rs:47:9
[INFO] [stdout]    9:     0x65070e00860f - std[ec419fa8110287d5]::panicking::default_hook::{closure#0}
[INFO] [stdout]                                at /rustc/33835004928d3bf65db4d4712e1330766263b0bd/library/std/src/panicking.rs:292:27
[INFO] [stdout]   10:     0x65070e023149 - std[ec419fa8110287d5]::panicking::default_hook
[INFO] [stdout]                                at /rustc/33835004928d3bf65db4d4712e1330766263b0bd/library/std/src/panicking.rs:316:9
[INFO] [stdout]   11:     0x65070df4552c - <alloc[a8a7aba520129d98]::boxed::Box<dyn for<'a, 'b> core[35159d6ffb30e017]::ops::function::Fn<(&'a std[ec419fa8110287d5]::panic::PanicHookInfo<'b>,), Output = ()> + core[35159d6ffb30e017]::marker::Sync + core[35159d6ffb30e017]::marker::Send> as core[35159d6ffb30e017]::ops::function::Fn<(&std[ec419fa8110287d5]::panic::PanicHookInfo,)>>::call
[INFO] [stdout]                                at /rustc/33835004928d3bf65db4d4712e1330766263b0bd/library/alloc/src/boxed.rs:2285:9
[INFO] [stdout]   12:     0x65070df4552c - test[a8007afcd3effadc]::test_main_inner::<test[a8007afcd3effadc]::test_main_static::{closure#0}>::{closure#0}
[INFO] [stdout]                                at /rustc/33835004928d3bf65db4d4712e1330766263b0bd/library/test/src/lib.rs:155:21
[INFO] [stdout]   13:     0x65070e023302 - <alloc[a8a7aba520129d98]::boxed::Box<dyn for<'a, 'b> core[35159d6ffb30e017]::ops::function::Fn<(&'a std[ec419fa8110287d5]::panic::PanicHookInfo<'b>,), Output = ()> + core[35159d6ffb30e017]::marker::Sync + core[35159d6ffb30e017]::marker::Send> as core[35159d6ffb30e017]::ops::function::Fn<(&std[ec419fa8110287d5]::panic::PanicHookInfo,)>>::call
[INFO] [stdout]                                at /rustc/33835004928d3bf65db4d4712e1330766263b0bd/library/alloc/src/boxed.rs:2285:9
[INFO] [stdout]   14:     0x65070e023302 - std[ec419fa8110287d5]::panicking::panic_with_hook
[INFO] [stdout]                                at /rustc/33835004928d3bf65db4d4712e1330766263b0bd/library/std/src/panicking.rs:833:13
[INFO] [stdout]   15:     0x65070e0086c8 - std[ec419fa8110287d5]::panicking::panic_handler::{closure#0}
[INFO] [stdout]                                at /rustc/33835004928d3bf65db4d4712e1330766263b0bd/library/std/src/panicking.rs:698:13
[INFO] [stdout]   16:     0x65070dfffe39 - std[ec419fa8110287d5]::sys::backtrace::__rust_end_short_backtrace::<std[ec419fa8110287d5]::panicking::panic_handler::{closure#0}, !>
[INFO] [stdout]                                at /rustc/33835004928d3bf65db4d4712e1330766263b0bd/library/std/src/sys/backtrace.rs:182:18
[INFO] [stdout]   17:     0x65070e00946d - __rustc[cfb3622dd870db93]::rust_begin_unwind
[INFO] [stdout]                                at /rustc/33835004928d3bf65db4d4712e1330766263b0bd/library/std/src/panicking.rs:689:5
[INFO] [stdout]   18:     0x65070e04299c - core[35159d6ffb30e017]::panicking::panic_fmt
[INFO] [stdout]                                at /rustc/33835004928d3bf65db4d4712e1330766263b0bd/library/core/src/panicking.rs:80:14
[INFO] [stdout]   19:     0x65070dfb0708 - core[35159d6ffb30e017]::panicking::panic_display::<assert_cmd[35950e0b123f7429]::assert::AssertError>
[INFO] [stdout]                                at /rustc/33835004928d3bf65db4d4712e1330766263b0bd/library/core/src/panicking.rs:259:5
[INFO] [stdout]   20:     0x65070dfae9f7 - <assert_cmd[35950e0b123f7429]::assert::AssertError>::panic::<assert_cmd[35950e0b123f7429]::assert::Assert>
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/assert_cmd-2.2.1/src/assert.rs:1036:9
[INFO] [stdout]   21:     0x65070dfb42b7 - <<assert_cmd[35950e0b123f7429]::assert::AssertError>::panic<assert_cmd[35950e0b123f7429]::assert::Assert> as core[35159d6ffb30e017]::ops::function::FnOnce<(assert_cmd[35950e0b123f7429]::assert::AssertError,)>>::call_once
[INFO] [stdout]                                at /rustc/33835004928d3bf65db4d4712e1330766263b0bd/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   22:     0x65070dfb4634 - <core[35159d6ffb30e017]::result::Result<assert_cmd[35950e0b123f7429]::assert::Assert, assert_cmd[35950e0b123f7429]::assert::AssertError>>::unwrap_or_else::<<assert_cmd[35950e0b123f7429]::assert::AssertError>::panic<assert_cmd[35950e0b123f7429]::assert::Assert>>
[INFO] [stdout]                                at /rustc/33835004928d3bf65db4d4712e1330766263b0bd/library/core/src/result.rs:1622:23
[INFO] [stdout]   23:     0x65070dfb1f90 - <assert_cmd[35950e0b123f7429]::assert::Assert>::success
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/assert_cmd-2.2.1/src/assert.rs:161:28
[INFO] [stdout]   24:     0x65070df36994 - integration[c26367521ce6f8e0]::plugin_nonzero_exit_does_not_count_as_lint_failure
[INFO] [stdout]                                at /opt/rustwide/workdir/tests/integration/test_check.rs:243:10
[INFO] [stdout]   25:     0x65070df2dde7 - integration[c26367521ce6f8e0]::plugin_nonzero_exit_does_not_count_as_lint_failure::{closure#0}
[INFO] [stdout]                                at /opt/rustwide/workdir/tests/integration/test_check.rs:229:56
[INFO] [stdout]   26:     0x65070df386e6 - <integration[c26367521ce6f8e0]::plugin_nonzero_exit_does_not_count_as_lint_failure::{closure#0} as core[35159d6ffb30e017]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]                                at /rustc/33835004928d3bf65db4d4712e1330766263b0bd/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   27:     0x65070df3880b - <fn() -> core[35159d6ffb30e017]::result::Result<(), alloc[a8a7aba520129d98]::string::String> as core[35159d6ffb30e017]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]                                at /rustc/33835004928d3bf65db4d4712e1330766263b0bd/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   28:     0x65070df3880b - test[a8007afcd3effadc]::__rust_begin_short_backtrace::<core[35159d6ffb30e017]::result::Result<(), alloc[a8a7aba520129d98]::string::String>, fn() -> core[35159d6ffb30e017]::result::Result<(), alloc[a8a7aba520129d98]::string::String>>
[INFO] [stdout]                                at /rustc/33835004928d3bf65db4d4712e1330766263b0bd/library/test/src/lib.rs:724:18
[INFO] [stdout]   29:     0x65070df45ffb - test[a8007afcd3effadc]::run_test_in_process::{closure#0}
[INFO] [stdout]                                at /rustc/33835004928d3bf65db4d4712e1330766263b0bd/library/test/src/lib.rs:747:74
[INFO] [stdout]   30:     0x65070df45ffb - <core[35159d6ffb30e017]::panic::unwind_safe::AssertUnwindSafe<test[a8007afcd3effadc]::run_test_in_process::{closure#0}> as core[35159d6ffb30e017]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]                                at /rustc/33835004928d3bf65db4d4712e1330766263b0bd/library/core/src/panic/unwind_safe.rs:275:9
[INFO] [stdout]   31:     0x65070df45ffb - std[ec419fa8110287d5]::panicking::catch_unwind::do_call::<core[35159d6ffb30e017]::panic::unwind_safe::AssertUnwindSafe<test[a8007afcd3effadc]::run_test_in_process::{closure#0}>, core[35159d6ffb30e017]::result::Result<(), alloc[a8a7aba520129d98]::string::String>>
[INFO] [stdout]                                at /rustc/33835004928d3bf65db4d4712e1330766263b0bd/library/std/src/panicking.rs:581:40
[INFO] [stdout]   32:     0x65070df45ffb - std[ec419fa8110287d5]::panicking::catch_unwind::<core[35159d6ffb30e017]::result::Result<(), alloc[a8a7aba520129d98]::string::String>, core[35159d6ffb30e017]::panic::unwind_safe::AssertUnwindSafe<test[a8007afcd3effadc]::run_test_in_process::{closure#0}>>
[INFO] [stdout]                                at /rustc/33835004928d3bf65db4d4712e1330766263b0bd/library/std/src/panicking.rs:544:19
[INFO] [stdout]   33:     0x65070df45ffb - std[ec419fa8110287d5]::panic::catch_unwind::<core[35159d6ffb30e017]::panic::unwind_safe::AssertUnwindSafe<test[a8007afcd3effadc]::run_test_in_process::{closure#0}>, core[35159d6ffb30e017]::result::Result<(), alloc[a8a7aba520129d98]::string::String>>
[INFO] [stdout]                                at /rustc/33835004928d3bf65db4d4712e1330766263b0bd/library/std/src/panic.rs:359:14
[INFO] [stdout]   34:     0x65070df45ffb - test[a8007afcd3effadc]::run_test_in_process
[INFO] [stdout]                                at /rustc/33835004928d3bf65db4d4712e1330766263b0bd/library/test/src/lib.rs:747:27
[INFO] [stdout]   35:     0x65070df45ffb - test[a8007afcd3effadc]::run_test::{closure#0}
[INFO] [stdout]                                at /rustc/33835004928d3bf65db4d4712e1330766263b0bd/library/test/src/lib.rs:668:43
[INFO] [stdout]   36:     0x65070df409d4 - test[a8007afcd3effadc]::run_test::{closure#1}
[INFO] [stdout]                                at /rustc/33835004928d3bf65db4d4712e1330766263b0bd/library/test/src/lib.rs:698:41
[INFO] [stdout]   37:     0x65070df409d4 - std[ec419fa8110287d5]::sys::backtrace::__rust_begin_short_backtrace::<test[a8007afcd3effadc]::run_test::{closure#1}, ()>
[INFO] [stdout]                                at /rustc/33835004928d3bf65db4d4712e1330766263b0bd/library/std/src/sys/backtrace.rs:166:18
[INFO] [stdout]   38:     0x65070df48c02 - std[ec419fa8110287d5]::thread::lifecycle::spawn_unchecked::<test[a8007afcd3effadc]::run_test::{closure#1}, ()>::{closure#1}::{closure#0}
[INFO] [stdout]                                at /rustc/33835004928d3bf65db4d4712e1330766263b0bd/library/std/src/thread/lifecycle.rs:70:13
[INFO] [stdout]   39:     0x65070df48c02 - <core[35159d6ffb30e017]::panic::unwind_safe::AssertUnwindSafe<std[ec419fa8110287d5]::thread::lifecycle::spawn_unchecked<test[a8007afcd3effadc]::run_test::{closure#1}, ()>::{closure#1}::{closure#0}> as core[35159d6ffb30e017]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]                                at /rustc/33835004928d3bf65db4d4712e1330766263b0bd/library/core/src/panic/unwind_safe.rs:275:9
[INFO] [stdout]   40:     0x65070df48c02 - std[ec419fa8110287d5]::panicking::catch_unwind::do_call::<core[35159d6ffb30e017]::panic::unwind_safe::AssertUnwindSafe<std[ec419fa8110287d5]::thread::lifecycle::spawn_unchecked<test[a8007afcd3effadc]::run_test::{closure#1}, ()>::{closure#1}::{closure#0}>, ()>
[INFO] [stdout]                                at /rustc/33835004928d3bf65db4d4712e1330766263b0bd/library/std/src/panicking.rs:581:40
[INFO] [stdout]   41:     0x65070df48c02 - std[ec419fa8110287d5]::panicking::catch_unwind::<(), core[35159d6ffb30e017]::panic::unwind_safe::AssertUnwindSafe<std[ec419fa8110287d5]::thread::lifecycle::spawn_unchecked<test[a8007afcd3effadc]::run_test::{closure#1}, ()>::{closure#1}::{closure#0}>>
[INFO] [stdout]                                at /rustc/33835004928d3bf65db4d4712e1330766263b0bd/library/std/src/panicking.rs:544:19
[INFO] [stdout]   42:     0x65070df48c02 - std[ec419fa8110287d5]::panic::catch_unwind::<core[35159d6ffb30e017]::panic::unwind_safe::AssertUnwindSafe<std[ec419fa8110287d5]::thread::lifecycle::spawn_unchecked<test[a8007afcd3effadc]::run_test::{closure#1}, ()>::{closure#1}::{closure#0}>, ()>
[INFO] [stdout]                                at /rustc/33835004928d3bf65db4d4712e1330766263b0bd/library/std/src/panic.rs:359:14
[INFO] [stdout]   43:     0x65070df48c02 - std[ec419fa8110287d5]::thread::lifecycle::spawn_unchecked::<test[a8007afcd3effadc]::run_test::{closure#1}, ()>::{closure#1}
[INFO] [stdout]                                at /rustc/33835004928d3bf65db4d4712e1330766263b0bd/library/std/src/thread/lifecycle.rs:68:26
[INFO] [stdout]   44:     0x65070df48c02 - <std[ec419fa8110287d5]::thread::lifecycle::spawn_unchecked<test[a8007afcd3effadc]::run_test::{closure#1}, ()>::{closure#1} as core[35159d6ffb30e017]::ops::function::FnOnce<()>>::call_once::{shim:vtable#0}
[INFO] [stdout]                                at /rustc/33835004928d3bf65db4d4712e1330766263b0bd/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   45:     0x65070e02acdf - <alloc[a8a7aba520129d98]::boxed::Box<dyn core[35159d6ffb30e017]::ops::function::FnOnce<(), Output = ()> + core[35159d6ffb30e017]::marker::Send> as core[35159d6ffb30e017]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]                                at /rustc/33835004928d3bf65db4d4712e1330766263b0bd/library/alloc/src/boxed.rs:2271:9
[INFO] [stdout]   46:     0x65070e02acdf - <std[ec419fa8110287d5]::sys::thread::unix::Thread>::new::thread_start
[INFO] [stdout]                                at /rustc/33835004928d3bf65db4d4712e1330766263b0bd/library/std/src/sys/thread/unix.rs:118:17
[INFO] [stdout]   47:     0x79f6b45d8aa4 - <unknown>
[INFO] [stdout]   48:     0x79f6b4665a64 - clone
[INFO] [stdout]   49:                0x0 - <unknown>
[INFO] [stdout] 
[INFO] [stdout] ---- json_output_is_valid_json_array stdout ----
[INFO] [stdout] 
[INFO] [stdout] thread 'json_output_is_valid_json_array' (56) panicked at tests/integration/test_check.rs:257:64:
[INFO] [stdout] stdout must be valid JSON: Error("EOF while parsing a value", line: 1, column: 0)
[INFO] [stdout] stack backtrace:
[INFO] [stdout]    0:     0x65070e02b96a - std[ec419fa8110287d5]::backtrace_rs::backtrace::libunwind::trace
[INFO] [stdout]                                at /rustc/33835004928d3bf65db4d4712e1330766263b0bd/library/std/src/../../backtrace/src/backtrace/libunwind.rs:117:9
[INFO] [stdout]    1:     0x65070e02b96a - std[ec419fa8110287d5]::backtrace_rs::backtrace::trace_unsynchronized::<std[ec419fa8110287d5]::sys::backtrace::_print_fmt::{closure#1}>
[INFO] [stdout]                                at /rustc/33835004928d3bf65db4d4712e1330766263b0bd/library/std/src/../../backtrace/src/backtrace/mod.rs:66:14
[INFO] [stdout]    2:     0x65070e02b96a - std[ec419fa8110287d5]::sys::backtrace::_print_fmt
[INFO] [stdout]                                at /rustc/33835004928d3bf65db4d4712e1330766263b0bd/library/std/src/sys/backtrace.rs:74:9
[INFO] [stdout]    3:     0x65070e02b96a - <<std[ec419fa8110287d5]::sys::backtrace::BacktraceLock>::print::DisplayBacktrace as core[35159d6ffb30e017]::fmt::Display>::fmt
[INFO] [stdout]                                at /rustc/33835004928d3bf65db4d4712e1330766263b0bd/library/std/src/sys/backtrace.rs:44:26
[INFO] [stdout]    4:     0x65070e04218a - <core[35159d6ffb30e017]::fmt::rt::Argument>::fmt
[INFO] [stdout]                                at /rustc/33835004928d3bf65db4d4712e1330766263b0bd/library/core/src/fmt/rt.rs:152:76
[INFO] [stdout]    5:     0x65070e04218a - core[35159d6ffb30e017]::fmt::write
[INFO] [stdout]    6:     0x65070e0316f2 - std[ec419fa8110287d5]::io::default_write_fmt::<alloc[a8a7aba520129d98]::vec::Vec<u8>>
[INFO] [stdout]                                at /rustc/33835004928d3bf65db4d4712e1330766263b0bd/library/std/src/io/mod.rs:621:11
[INFO] [stdout]    7:     0x65070e0316f2 - <alloc[a8a7aba520129d98]::vec::Vec<u8> as std[ec419fa8110287d5]::io::Write>::write_fmt
[INFO] [stdout]                                at /rustc/33835004928d3bf65db4d4712e1330766263b0bd/library/std/src/io/mod.rs:1976:13
[INFO] [stdout]    8:     0x65070e00860f - <std[ec419fa8110287d5]::sys::backtrace::BacktraceLock>::print
[INFO] [stdout]                                at /rustc/33835004928d3bf65db4d4712e1330766263b0bd/library/std/src/sys/backtrace.rs:47:9
[INFO] [stdout]    9:     0x65070e00860f - std[ec419fa8110287d5]::panicking::default_hook::{closure#0}
[INFO] [stdout]                                at /rustc/33835004928d3bf65db4d4712e1330766263b0bd/library/std/src/panicking.rs:292:27
[INFO] [stdout]   10:     0x65070e023149 - std[ec419fa8110287d5]::panicking::default_hook
[INFO] [stdout]                                at /rustc/33835004928d3bf65db4d4712e1330766263b0bd/library/std/src/panicking.rs:316:9
[INFO] [stdout]   11:     0x65070df4552c - <alloc[a8a7aba520129d98]::boxed::Box<dyn for<'a, 'b> core[35159d6ffb30e017]::ops::function::Fn<(&'a std[ec419fa8110287d5]::panic::PanicHookInfo<'b>,), Output = ()> + core[35159d6ffb30e017]::marker::Sync + core[35159d6ffb30e017]::marker::Send> as core[35159d6ffb30e017]::ops::function::Fn<(&std[ec419fa8110287d5]::panic::PanicHookInfo,)>>::call
[INFO] [stdout]                                at /rustc/33835004928d3bf65db4d4712e1330766263b0bd/library/alloc/src/boxed.rs:2285:9
[INFO] [stdout]   12:     0x65070df4552c - test[a8007afcd3effadc]::test_main_inner::<test[a8007afcd3effadc]::test_main_static::{closure#0}>::{closure#0}
[INFO] [stdout]                                at /rustc/33835004928d3bf65db4d4712e1330766263b0bd/library/test/src/lib.rs:155:21
[INFO] [stdout]   13:     0x65070e023302 - <alloc[a8a7aba520129d98]::boxed::Box<dyn for<'a, 'b> core[35159d6ffb30e017]::ops::function::Fn<(&'a std[ec419fa8110287d5]::panic::PanicHookInfo<'b>,), Output = ()> + core[35159d6ffb30e017]::marker::Sync + core[35159d6ffb30e017]::marker::Send> as core[35159d6ffb30e017]::ops::function::Fn<(&std[ec419fa8110287d5]::panic::PanicHookInfo,)>>::call
[INFO] [stdout]                                at /rustc/33835004928d3bf65db4d4712e1330766263b0bd/library/alloc/src/boxed.rs:2285:9
[INFO] [stdout]   14:     0x65070e023302 - std[ec419fa8110287d5]::panicking::panic_with_hook
[INFO] [stdout]                                at /rustc/33835004928d3bf65db4d4712e1330766263b0bd/library/std/src/panicking.rs:833:13
[INFO] [stdout]   15:     0x65070e0086c8 - std[ec419fa8110287d5]::panicking::panic_handler::{closure#0}
[INFO] [stdout]                                at /rustc/33835004928d3bf65db4d4712e1330766263b0bd/library/std/src/panicking.rs:698:13
[INFO] [stdout]   16:     0x65070dfffe39 - std[ec419fa8110287d5]::sys::backtrace::__rust_end_short_backtrace::<std[ec419fa8110287d5]::panicking::panic_handler::{closure#0}, !>
[INFO] [stdout]                                at /rustc/33835004928d3bf65db4d4712e1330766263b0bd/library/std/src/sys/backtrace.rs:182:18
[INFO] [stdout]   17:     0x65070e00946d - __rustc[cfb3622dd870db93]::rust_begin_unwind
[INFO] [stdout]                                at /rustc/33835004928d3bf65db4d4712e1330766263b0bd/library/std/src/panicking.rs:689:5
[INFO] [stdout]   18:     0x65070e04299c - core[35159d6ffb30e017]::panicking::panic_fmt
[INFO] [stdout]                                at /rustc/33835004928d3bf65db4d4712e1330766263b0bd/library/core/src/panicking.rs:80:14
[INFO] [stdout]   19:     0x65070e042712 - core[35159d6ffb30e017]::result::unwrap_failed
[INFO] [stdout]                                at /rustc/33835004928d3bf65db4d4712e1330766263b0bd/library/core/src/result.rs:1867:5
[INFO] [stdout]   20:     0x65070df25e92 - <core[35159d6ffb30e017]::result::Result<serde_json[addfbee52d7b9d1f]::value::Value, serde_json[addfbee52d7b9d1f]::error::Error>>::expect
[INFO] [stdout]                                at /rustc/33835004928d3bf65db4d4712e1330766263b0bd/library/core/src/result.rs:1185:23
[INFO] [stdout]   21:     0x65070df3002b - integration[c26367521ce6f8e0]::json_output_is_valid_json_array
[INFO] [stdout]                                at /opt/rustwide/workdir/tests/integration/test_check.rs:257:64
[INFO] [stdout]   22:     0x65070df2da87 - integration[c26367521ce6f8e0]::json_output_is_valid_json_array::{closure#0}
[INFO] [stdout]                                at /opt/rustwide/workdir/tests/integration/test_check.rs:247:37
[INFO] [stdout]   23:     0x65070df38266 - <integration[c26367521ce6f8e0]::json_output_is_valid_json_array::{closure#0} as core[35159d6ffb30e017]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]                                at /rustc/33835004928d3bf65db4d4712e1330766263b0bd/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   24:     0x65070df3880b - <fn() -> core[35159d6ffb30e017]::result::Result<(), alloc[a8a7aba520129d98]::string::String> as core[35159d6ffb30e017]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]                                at /rustc/33835004928d3bf65db4d4712e1330766263b0bd/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   25:     0x65070df3880b - test[a8007afcd3effadc]::__rust_begin_short_backtrace::<core[35159d6ffb30e017]::result::Result<(), alloc[a8a7aba520129d98]::string::String>, fn() -> core[35159d6ffb30e017]::result::Result<(), alloc[a8a7aba520129d98]::string::String>>
[INFO] [stdout]                                at /rustc/33835004928d3bf65db4d4712e1330766263b0bd/library/test/src/lib.rs:724:18
[INFO] [stdout]   26:     0x65070df45ffb - test[a8007afcd3effadc]::run_test_in_process::{closure#0}
[INFO] [stdout]                                at /rustc/33835004928d3bf65db4d4712e1330766263b0bd/library/test/src/lib.rs:747:74
[INFO] [stdout]   27:     0x65070df45ffb - <core[35159d6ffb30e017]::panic::unwind_safe::AssertUnwindSafe<test[a8007afcd3effadc]::run_test_in_process::{closure#0}> as core[35159d6ffb30e017]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]                                at /rustc/33835004928d3bf65db4d4712e1330766263b0bd/library/core/src/panic/unwind_safe.rs:275:9
[INFO] [stdout]   28:     0x65070df45ffb - std[ec419fa8110287d5]::panicking::catch_unwind::do_call::<core[35159d6ffb30e017]::panic::unwind_safe::AssertUnwindSafe<test[a8007afcd3effadc]::run_test_in_process::{closure#0}>, core[35159d6ffb30e017]::result::Result<(), alloc[a8a7aba520129d98]::string::String>>
[INFO] [stdout]                                at /rustc/33835004928d3bf65db4d4712e1330766263b0bd/library/std/src/panicking.rs:581:40
[INFO] [stdout]   29:     0x65070df45ffb - std[ec419fa8110287d5]::panicking::catch_unwind::<core[35159d6ffb30e017]::result::Result<(), alloc[a8a7aba520129d98]::string::String>, core[35159d6ffb30e017]::panic::unwind_safe::AssertUnwindSafe<test[a8007afcd3effadc]::run_test_in_process::{closure#0}>>
[INFO] [stdout]                                at /rustc/33835004928d3bf65db4d4712e1330766263b0bd/library/std/src/panicking.rs:544:19
[INFO] [stdout]   30:     0x65070df45ffb - std[ec419fa8110287d5]::panic::catch_unwind::<core[35159d6ffb30e017]::panic::unwind_safe::AssertUnwindSafe<test[a8007afcd3effadc]::run_test_in_process::{closure#0}>, core[35159d6ffb30e017]::result::Result<(), alloc[a8a7aba520129d98]::string::String>>
[INFO] [stdout]                                at /rustc/33835004928d3bf65db4d4712e1330766263b0bd/library/std/src/panic.rs:359:14
[INFO] [stdout]   31:     0x65070df45ffb - test[a8007afcd3effadc]::run_test_in_process
[INFO] [stdout]                                at /rustc/33835004928d3bf65db4d4712e1330766263b0bd/library/test/src/lib.rs:747:27
[INFO] [stdout]   32:     0x65070df45ffb - test[a8007afcd3effadc]::run_test::{closure#0}
[INFO] [stdout]                                at /rustc/33835004928d3bf65db4d4712e1330766263b0bd/library/test/src/lib.rs:668:43
[INFO] [stdout]   33:     0x65070df409d4 - test[a8007afcd3effadc]::run_test::{closure#1}
[INFO] [stdout]                                at /rustc/33835004928d3bf65db4d4712e1330766263b0bd/library/test/src/lib.rs:698:41
[INFO] [stdout]   34:     0x65070df409d4 - std[ec419fa8110287d5]::sys::backtrace::__rust_begin_short_backtrace::<test[a8007afcd3effadc]::run_test::{closure#1}, ()>
[INFO] [stdout]                                at /rustc/33835004928d3bf65db4d4712e1330766263b0bd/library/std/src/sys/backtrace.rs:166:18
[INFO] [stdout]   35:     0x65070df48c02 - std[ec419fa8110287d5]::thread::lifecycle::spawn_unchecked::<test[a8007afcd3effadc]::run_test::{closure#1}, ()>::{closure#1}::{closure#0}
[INFO] [stdout]                                at /rustc/33835004928d3bf65db4d4712e1330766263b0bd/library/std/src/thread/lifecycle.rs:70:13
[INFO] [stdout]   36:     0x65070df48c02 - <core[35159d6ffb30e017]::panic::unwind_safe::AssertUnwindSafe<std[ec419fa8110287d5]::thread::lifecycle::spawn_unchecked<test[a8007afcd3effadc]::run_test::{closure#1}, ()>::{closure#1}::{closure#0}> as core[35159d6ffb30e017]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]                                at /rustc/33835004928d3bf65db4d4712e1330766263b0bd/library/core/src/panic/unwind_safe.rs:275:9
[INFO] [stdout]   37:     0x65070df48c02 - std[ec419fa8110287d5]::panicking::catch_unwind::do_call::<core[35159d6ffb30e017]::panic::unwind_safe::AssertUnwindSafe<std[ec419fa8110287d5]::thread::lifecycle::spawn_unchecked<test[a8007afcd3effadc]::run_test::{closure#1}, ()>::{closure#1}::{closure#0}>, ()>
[INFO] [stdout]                                at /rustc/33835004928d3bf65db4d4712e1330766263b0bd/library/std/src/panicking.rs:581:40
[INFO] [stdout]   38:     0x65070df48c02 - std[ec419fa8110287d5]::panicking::catch_unwind::<(), core[35159d6ffb30e017]::panic::unwind_safe::AssertUnwindSafe<std[ec419fa8110287d5]::thread::lifecycle::spawn_unchecked<test[a8007afcd3effadc]::run_test::{closure#1}, ()>::{closure#1}::{closure#0}>>
[INFO] [stdout]                                at /rustc/33835004928d3bf65db4d4712e1330766263b0bd/library/std/src/panicking.rs:544:19
[INFO] [stdout]   39:     0x65070df48c02 - std[ec419fa8110287d5]::panic::catch_unwind::<core[35159d6ffb30e017]::panic::unwind_safe::AssertUnwindSafe<std[ec419fa8110287d5]::thread::lifecycle::spawn_unchecked<test[a8007afcd3effadc]::run_test::{closure#1}, ()>::{closure#1}::{closure#0}>, ()>
[INFO] [stdout]                                at /rustc/33835004928d3bf65db4d4712e1330766263b0bd/library/std/src/panic.rs:359:14
[INFO] [stdout]   40:     0x65070df48c02 - std[ec419fa8110287d5]::thread::lifecycle::spawn_unchecked::<test[a8007afcd3effadc]::run_test::{closure#1}, ()>::{closure#1}
[INFO] [stdout]                                at /rustc/33835004928d3bf65db4d4712e1330766263b0bd/library/std/src/thread/lifecycle.rs:68:26
[INFO] [stdout]   41:     0x65070df48c02 - <std[ec419fa8110287d5]::thread::lifecycle::spawn_unchecked<test[a8007afcd3effadc]::run_test::{closure#1}, ()>::{closure#1} as core[35159d6ffb30e017]::ops::function::FnOnce<()>>::call_once::{shim:vtable#0}
[INFO] [stdout]                                at /rustc/33835004928d3bf65db4d4712e1330766263b0bd/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   42:     0x65070e02acdf - <alloc[a8a7aba520129d98]::boxed::Box<dyn core[35159d6ffb30e017]::ops::function::FnOnce<(), Output = ()> + core[35159d6ffb30e017]::marker::Send> as core[35159d6ffb30e017]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]                                at /rustc/33835004928d3bf65db4d4712e1330766263b0bd/library/alloc/src/boxed.rs:2271:9
[INFO] [stdout]   43:     0x65070e02acdf - <std[ec419fa8110287d5]::sys::thread::unix::Thread>::new::thread_start
[INFO] [stdout]                                at /rustc/33835004928d3bf65db4d4712e1330766263b0bd/library/std/src/sys/thread/unix.rs:118:17
[INFO] [stdout]   44:     0x79f6b45d8aa4 - <unknown>
[INFO] [stdout]   45:     0x79f6b4665a64 - clone
[INFO] [stdout]   46:                0x0 - <unknown>
[INFO] [stdout] 
[INFO] [stdout] ---- json_output_is_empty_array_for_clean_file stdout ----
[INFO] [stdout] 
[INFO] [stdout] thread 'json_output_is_empty_array_for_clean_file' (43) panicked at tests/integration/test_check.rs:343:48:
[INFO] [stdout] stdout must be valid JSON: Error("EOF while parsing a value", line: 1, column: 0)
[INFO] [stdout] stack backtrace:
[INFO] [stdout]    0:     0x65070e02b96a - std[ec419fa8110287d5]::backtrace_rs::backtrace::libunwind::trace
[INFO] [stdout]                                at /rustc/33835004928d3bf65db4d4712e1330766263b0bd/library/std/src/../../backtrace/src/backtrace/libunwind.rs:117:9
[INFO] [stdout]    1:     0x65070e02b96a - std[ec419fa8110287d5]::backtrace_rs::backtrace::trace_unsynchronized::<std[ec419fa8110287d5]::sys::backtrace::_print_fmt::{closure#1}>
[INFO] [stdout]                                at /rustc/33835004928d3bf65db4d4712e1330766263b0bd/library/std/src/../../backtrace/src/backtrace/mod.rs:66:14
[INFO] [stdout]    2:     0x65070e02b96a - std[ec419fa8110287d5]::sys::backtrace::_print_fmt
[INFO] [stdout]                                at /rustc/33835004928d3bf65db4d4712e1330766263b0bd/library/std/src/sys/backtrace.rs:74:9
[INFO] [stdout]    3:     0x65070e02b96a - <<std[ec419fa8110287d5]::sys::backtrace::BacktraceLock>::print::DisplayBacktrace as core[35159d6ffb30e017]::fmt::Display>::fmt
[INFO] [stdout]                                at /rustc/33835004928d3bf65db4d4712e1330766263b0bd/library/std/src/sys/backtrace.rs:44:26
[INFO] [stdout]    4:     0x65070e04218a - <core[35159d6ffb30e017]::fmt::rt::Argument>::fmt
[INFO] [stdout]                                at /rustc/33835004928d3bf65db4d4712e1330766263b0bd/library/core/src/fmt/rt.rs:152:76
[INFO] [stdout]    5:     0x65070e04218a - core[35159d6ffb30e017]::fmt::write
[INFO] [stdout]    6:     0x65070e0316f2 - std[ec419fa8110287d5]::io::default_write_fmt::<alloc[a8a7aba520129d98]::vec::Vec<u8>>
[INFO] [stdout]                                at /rustc/33835004928d3bf65db4d4712e1330766263b0bd/library/std/src/io/mod.rs:621:11
[INFO] [stdout]    7:     0x65070e0316f2 - <alloc[a8a7aba520129d98]::vec::Vec<u8> as std[ec419fa8110287d5]::io::Write>::write_fmt
[INFO] [stdout]                                at /rustc/33835004928d3bf65db4d4712e1330766263b0bd/library/std/src/io/mod.rs:1976:13
[INFO] [stdout]    8:     0x65070e00860f - <std[ec419fa8110287d5]::sys::backtrace::BacktraceLock>::print
[INFO] [stdout]                                at /rustc/33835004928d3bf65db4d4712e1330766263b0bd/library/std/src/sys/backtrace.rs:47:9
[INFO] [stdout]    9:     0x65070e00860f - std[ec419fa8110287d5]::panicking::default_hook::{closure#0}
[INFO] [stdout]                                at /rustc/33835004928d3bf65db4d4712e1330766263b0bd/library/std/src/panicking.rs:292:27
[INFO] [stdout]   10:     0x65070e023149 - std[ec419fa8110287d5]::panicking::default_hook
[INFO] [stdout]                                at /rustc/33835004928d3bf65db4d4712e1330766263b0bd/library/std/src/panicking.rs:316:9
[INFO] [stdout]   11:     0x65070df4552c - <alloc[a8a7aba520129d98]::boxed::Box<dyn for<'a, 'b> core[35159d6ffb30e017]::ops::function::Fn<(&'a std[ec419fa8110287d5]::panic::PanicHookInfo<'b>,), Output = ()> + core[35159d6ffb30e017]::marker::Sync + core[35159d6ffb30e017]::marker::Send> as core[35159d6ffb30e017]::ops::function::Fn<(&std[ec419fa8110287d5]::panic::PanicHookInfo,)>>::call
[INFO] [stdout]                                at /rustc/33835004928d3bf65db4d4712e1330766263b0bd/library/alloc/src/boxed.rs:2285:9
[INFO] [stdout]   12:     0x65070df4552c - test[a8007afcd3effadc]::test_main_inner::<test[a8007afcd3effadc]::test_main_static::{closure#0}>::{closure#0}
[INFO] [stdout]                                at /rustc/33835004928d3bf65db4d4712e1330766263b0bd/library/test/src/lib.rs:155:21
[INFO] [stdout]   13:     0x65070e023302 - <alloc[a8a7aba520129d98]::boxed::Box<dyn for<'a, 'b> core[35159d6ffb30e017]::ops::function::Fn<(&'a std[ec419fa8110287d5]::panic::PanicHookInfo<'b>,), Output = ()> + core[35159d6ffb30e017]::marker::Sync + core[35159d6ffb30e017]::marker::Send> as core[35159d6ffb30e017]::ops::function::Fn<(&std[ec419fa8110287d5]::panic::PanicHookInfo,)>>::call
[INFO] [stdout]                                at /rustc/33835004928d3bf65db4d4712e1330766263b0bd/library/alloc/src/boxed.rs:2285:9
[INFO] [stdout]   14:     0x65070e023302 - std[ec419fa8110287d5]::panicking::panic_with_hook
[INFO] [stdout]                                at /rustc/33835004928d3bf65db4d4712e1330766263b0bd/library/std/src/panicking.rs:833:13
[INFO] [stdout]   15:     0x65070e0086c8 - std[ec419fa8110287d5]::panicking::panic_handler::{closure#0}
[INFO] [stdout]                                at /rustc/33835004928d3bf65db4d4712e1330766263b0bd/library/std/src/panicking.rs:698:13
[INFO] [stdout]   16:     0x65070dfffe39 - std[ec419fa8110287d5]::sys::backtrace::__rust_end_short_backtrace::<std[ec419fa8110287d5]::panicking::panic_handler::{closure#0}, !>
[INFO] [stdout]                                at /rustc/33835004928d3bf65db4d4712e1330766263b0bd/library/std/src/sys/backtrace.rs:182:18
[INFO] [stdout]   17:     0x65070e00946d - __rustc[cfb3622dd870db93]::rust_begin_unwind
[INFO] [stdout]                                at /rustc/33835004928d3bf65db4d4712e1330766263b0bd/library/std/src/panicking.rs:689:5
[INFO] [stdout]   18:     0x65070e04299c - core[35159d6ffb30e017]::panicking::panic_fmt
[INFO] [stdout]                                at /rustc/33835004928d3bf65db4d4712e1330766263b0bd/library/core/src/panicking.rs:80:14
[INFO] [stdout]   19:     0x65070e042712 - core[35159d6ffb30e017]::result::unwrap_failed
[INFO] [stdout]                                at /rustc/33835004928d3bf65db4d4712e1330766263b0bd/library/core/src/result.rs:1867:5
[INFO] [stdout]   20:     0x65070df25dbc - <core[35159d6ffb30e017]::result::Result<alloc[a8a7aba520129d98]::vec::Vec<serde_json[addfbee52d7b9d1f]::value::Value>, serde_json[addfbee52d7b9d1f]::error::Error>>::expect
[INFO] [stdout]                                at /rustc/33835004928d3bf65db4d4712e1330766263b0bd/library/core/src/result.rs:1185:23
[INFO] [stdout]   21:     0x65070df33221 - integration[c26367521ce6f8e0]::json_output_is_empty_array_for_clean_file
[INFO] [stdout]                                at /opt/rustwide/workdir/tests/integration/test_check.rs:343:48
[INFO] [stdout]   22:     0x65070df2dc37 - integration[c26367521ce6f8e0]::json_output_is_empty_array_for_clean_file::{closure#0}
[INFO] [stdout]                                at /opt/rustwide/workdir/tests/integration/test_check.rs:325:47
[INFO] [stdout]   23:     0x65070df384a6 - <integration[c26367521ce6f8e0]::json_output_is_empty_array_for_clean_file::{closure#0} as core[35159d6ffb30e017]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]                                at /rustc/33835004928d3bf65db4d4712e1330766263b0bd/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   24:     0x65070df3880b - <fn() -> core[35159d6ffb30e017]::result::Result<(), alloc[a8a7aba520129d98]::string::String> as core[35159d6ffb30e017]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]                                at /rustc/33835004928d3bf65db4d4712e1330766263b0bd/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   25:     0x65070df3880b - test[a8007afcd3effadc]::__rust_begin_short_backtrace::<core[35159d6ffb30e017]::result::Result<(), alloc[a8a7aba520129d98]::string::String>, fn() -> core[35159d6ffb30e017]::result::Result<(), alloc[a8a7aba520129d98]::string::String>>
[INFO] [stdout]                                at /rustc/33835004928d3bf65db4d4712e1330766263b0bd/library/test/src/lib.rs:724:18
[INFO] [stdout]   26:     0x65070df45ffb - test[a8007afcd3effadc]::run_test_in_process::{closure#0}
[INFO] [stdout]                                at /rustc/33835004928d3bf65db4d4712e1330766263b0bd/library/test/src/lib.rs:747:74
[INFO] [stdout]   27:     0x65070df45ffb - <core[35159d6ffb30e017]::panic::unwind_safe::AssertUnwindSafe<test[a8007afcd3effadc]::run_test_in_process::{closure#0}> as core[35159d6ffb30e017]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]                                at /rustc/33835004928d3bf65db4d4712e1330766263b0bd/library/core/src/panic/unwind_safe.rs:275:9
[INFO] [stdout]   28:     0x65070df45ffb - std[ec419fa8110287d5]::panicking::catch_unwind::do_call::<core[35159d6ffb30e017]::panic::unwind_safe::AssertUnwindSafe<test[a8007afcd3effadc]::run_test_in_process::{closure#0}>, core[35159d6ffb30e017]::result::Result<(), alloc[a8a7aba520129d98]::string::String>>
[INFO] [stdout]                                at /rustc/33835004928d3bf65db4d4712e1330766263b0bd/library/std/src/panicking.rs:581:40
[INFO] [stdout]   29:     0x65070df45ffb - std[ec419fa8110287d5]::panicking::catch_unwind::<core[35159d6ffb30e017]::result::Result<(), alloc[a8a7aba520129d98]::string::String>, core[35159d6ffb30e017]::panic::unwind_safe::AssertUnwindSafe<test[a8007afcd3effadc]::run_test_in_process::{closure#0}>>
[INFO] [stdout]                                at /rustc/33835004928d3bf65db4d4712e1330766263b0bd/library/std/src/panicking.rs:544:19
[INFO] [stdout]   30:     0x65070df45ffb - std[ec419fa8110287d5]::panic::catch_unwind::<core[35159d6ffb30e017]::panic::unwind_safe::AssertUnwindSafe<test[a8007afcd3effadc]::run_test_in_process::{closure#0}>, core[35159d6ffb30e017]::result::Result<(), alloc[a8a7aba520129d98]::string::String>>
[INFO] [stdout]                                at /rustc/33835004928d3bf65db4d4712e1330766263b0bd/library/std/src/panic.rs:359:14
[INFO] [stdout]   31:     0x65070df45ffb - test[a8007afcd3effadc]::run_test_in_process
[INFO] [stdout]                                at /rustc/33835004928d3bf65db4d4712e1330766263b0bd/library/test/src/lib.rs:747:27
[INFO] [stdout]   32:     0x65070df45ffb - test[a8007afcd3effadc]::run_test::{closure#0}
[INFO] [stdout]                                at /rustc/33835004928d3bf65db4d4712e1330766263b0bd/library/test/src/lib.rs:668:43
[INFO] [stdout]   33:     0x65070df409d4 - test[a8007afcd3effadc]::run_test::{closure#1}
[INFO] [stdout]                                at /rustc/33835004928d3bf65db4d4712e1330766263b0bd/library/test/src/lib.rs:698:41
[INFO] [stdout]   34:     0x65070df409d4 - std[ec419fa8110287d5]::sys::backtrace::__rust_begin_short_backtrace::<test[a8007afcd3effadc]::run_test::{closure#1}, ()>
[INFO] [stdout]                                at /rustc/33835004928d3bf65db4d4712e1330766263b0bd/library/std/src/sys/backtrace.rs:166:18
[INFO] [stdout]   35:     0x65070df48c02 - std[ec419fa8110287d5]::thread::lifecycle::spawn_unchecked::<test[a8007afcd3effadc]::run_test::{closure#1}, ()>::{closure#1}::{closure#0}
[INFO] [stdout]                                at /rustc/33835004928d3bf65db4d4712e1330766263b0bd/library/std/src/thread/lifecycle.rs:70:13
[INFO] [stdout]   36:     0x65070df48c02 - <core[35159d6ffb30e017]::panic::unwind_safe::AssertUnwindSafe<std[ec419fa8110287d5]::thread::lifecycle::spawn_unchecked<test[a8007afcd3effadc]::run_test::{closure#1}, ()>::{closure#1}::{closure#0}> as core[35159d6ffb30e017]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]                                at /rustc/33835004928d3bf65db4d4712e1330766263b0bd/library/core/src/panic/unwind_safe.rs:275:9
[INFO] [stdout]   37:     0x65070df48c02 - std[ec419fa8110287d5]::panicking::catch_unwind::do_call::<core[35159d6ffb30e017]::panic::unwind_safe::AssertUnwindSafe<std[ec419fa8110287d5]::thread::lifecycle::spawn_unchecked<test[a8007afcd3effadc]::run_test::{closure#1}, ()>::{closure#1}::{closure#0}>, ()>
[INFO] [stdout]                                at /rustc/33835004928d3bf65db4d4712e1330766263b0bd/library/std/src/panicking.rs:581:40
[INFO] [stdout]   38:     0x65070df48c02 - std[ec419fa8110287d5]::panicking::catch_unwind::<(), core[35159d6ffb30e017]::panic::unwind_safe::AssertUnwindSafe<std[ec419fa8110287d5]::thread::lifecycle::spawn_unchecked<test[a8007afcd3effadc]::run_test::{closure#1}, ()>::{closure#1}::{closure#0}>>
[INFO] [stdout]                                at /rustc/33835004928d3bf65db4d4712e1330766263b0bd/library/std/src/panicking.rs:544:19
[INFO] [stdout]   39:     0x65070df48c02 - std[ec419fa8110287d5]::panic::catch_unwind::<core[35159d6ffb30e017]::panic::unwind_safe::AssertUnwindSafe<std[ec419fa8110287d5]::thread::lifecycle::spawn_unchecked<test[a8007afcd3effadc]::run_test::{closure#1}, ()>::{closure#1}::{closure#0}>, ()>
[INFO] [stdout]                                at /rustc/33835004928d3bf65db4d4712e1330766263b0bd/library/std/src/panic.rs:359:14
[INFO] [stdout]   40:     0x65070df48c02 - std[ec419fa8110287d5]::thread::lifecycle::spawn_unchecked::<test[a8007afcd3effadc]::run_test::{closure#1}, ()>::{closure#1}
[INFO] [stdout]                                at /rustc/33835004928d3bf65db4d4712e1330766263b0bd/library/std/src/thread/lifecycle.rs:68:26
[INFO] [stdout]   41:     0x65070df48c02 - <std[ec419fa8110287d5]::thread::lifecycle::spawn_unchecked<test[a8007afcd3effadc]::run_test::{closure#1}, ()>::{closure#1} as core[35159d6ffb30e017]::ops::function::FnOnce<()>>::call_once::{shim:vtable#0}
[INFO] [stdout]                                at /rustc/33835004928d3bf65db4d4712e1330766263b0bd/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   42:     0x65070e02acdf - <alloc[a8a7aba520129d98]::boxed::Box<dyn core[35159d6ffb30e017]::ops::function::FnOnce<(), Output = ()> + core[35159d6ffb30e017]::marker::Send> as core[35159d6ffb30e017]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]                                at /rustc/33835004928d3bf65db4d4712e1330766263b0bd/library/alloc/src/boxed.rs:2271:9
[INFO] [stdout]   43:     0x65070e02acdf - <std[ec419fa8110287d5]::sys::thread::unix::Thread>::new::thread_start
[INFO] [stdout]                                at /rustc/33835004928d3bf65db4d4712e1330766263b0bd/library/std/src/sys/thread/unix.rs:118:17
[INFO] [stdout]   44:     0x79f6b45d8aa4 - <unknown>
[INFO] [stdout]   45:     0x79f6b4665a64 - clone
[INFO] [stdout]   46:                0x0 - <unknown>
[INFO] [stdout] 
[INFO] [stdout] ---- format_check_exits_zero_for_well_formatted_file stdout ----
[INFO] [stdout] 
[INFO] [stdout] thread 'format_check_exits_zero_for_well_formatted_file' (31) panicked at /rustc/33835004928d3bf65db4d4712e1330766263b0bd/library/core/src/ops/function.rs:250:5:
[INFO] [stdout] Unexpected failure.
[INFO] [stdout] code=1
[INFO] [stdout] stderr=``````
[INFO] [stdout] Error: failed to exec ruff: No such file or directory (os error 2)
[INFO] [stdout] 
[INFO] [stdout] Stack backtrace:
[INFO] [stdout]    0: <anyhow::Error>::msg::<alloc::string::String>
[INFO] [stdout]              at /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/anyhow-1.0.102/src/backtrace.rs:10:14
[INFO] [stdout]    1: anyhow::__private::format_err
[INFO] [stdout]              at /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/anyhow-1.0.102/src/lib.rs:690:13
[INFO] [stdout]    2: ruffian::ruff::passthrough_format
[INFO] [stdout]              at ./src/ruff.rs:54:13
[INFO] [stdout]    3: ruffian::cli::run
[INFO] [stdout]              at ./src/cli.rs:67:45
[INFO] [stdout]    4: ruffian::main
[INFO] [stdout]              at ./src/main.rs:15:5
[INFO] [stdout]    5: <fn() -> core::result::Result<(), anyhow::Error> as core::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]              at /rustc/33835004928d3bf65db4d4712e1330766263b0bd/library/core/src/ops/function.rs:250:5
[INFO] [stdout]    6: std::sys::backtrace::__rust_begin_short_backtrace::<fn() -> core::result::Result<(), anyhow::Error>, core::result::Result<(), anyhow::Error>>
[INFO] [stdout]              at /rustc/33835004928d3bf65db4d4712e1330766263b0bd/library/std/src/sys/backtrace.rs:166:18
[INFO] [stdout]    7: std::rt::lang_start::<core::result::Result<(), anyhow::Error>>::{closure#0}
[INFO] [stdout]              at /rustc/33835004928d3bf65db4d4712e1330766263b0bd/library/std/src/rt.rs:206:18
[INFO] [stdout]    8: <&dyn core::ops::function::Fn<(), Output = i32> + core::marker::Sync + core::panic::unwind_safe::RefUnwindSafe as core::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]              at /rustc/33835004928d3bf65db4d4712e1330766263b0bd/library/core/src/ops/function.rs:287:21
[INFO] [stdout]    9: std::panicking::catch_unwind::do_call::<&dyn core::ops::function::Fn<(), Output = i32> + core::marker::Sync + core::panic::unwind_safe::RefUnwindSafe, i32>
[INFO] [stdout]              at /rustc/33835004928d3bf65db4d4712e1330766263b0bd/library/std/src/panicking.rs:581:40
[INFO] [stdout]   10: std::panicking::catch_unwind::<i32, &dyn core::ops::function::Fn<(), Output = i32> + core::marker::Sync + core::panic::unwind_safe::RefUnwindSafe>
[INFO] [stdout]              at /rustc/33835004928d3bf65db4d4712e1330766263b0bd/library/std/src/panicking.rs:544:19
[INFO] [stdout]   11: std::panic::catch_unwind::<&dyn core::ops::function::Fn<(), Output = i32> + core::marker::Sync + core::panic::unwind_safe::RefUnwindSafe, i32>
[INFO] [stdout]              at /rustc/33835004928d3bf65db4d4712e1330766263b0bd/library/std/src/panic.rs:359:14
[INFO] [stdout]   12: std::rt::lang_start_internal::{closure#0}
[INFO] [stdout]              at /rustc/33835004928d3bf65db4d4712e1330766263b0bd/library/std/src/rt.rs:175:24
[INFO] [stdout]   13: std::panicking::catch_unwind::do_call::<std::rt::lang_start_internal::{closure#0}, isize>
[INFO] [stdout]              at /rustc/33835004928d3bf65db4d4712e1330766263b0bd/library/std/src/panicking.rs:581:40
[INFO] [stdout]   14: std::panicking::catch_unwind::<isize, std::rt::lang_start_internal::{closure#0}>
[INFO] [stdout]              at /rustc/33835004928d3bf65db4d4712e1330766263b0bd/library/std/src/panicking.rs:544:19
[INFO] [stdout]   15: std::panic::catch_unwind::<std::rt::lang_start_internal::{closure#0}, isize>
[INFO] [stdout]              at /rustc/33835004928d3bf65db4d4712e1330766263b0bd/library/std/src/panic.rs:359:14
[INFO] [stdout]   16: std::rt::lang_start_internal
[INFO] [stdout]              at /rustc/33835004928d3bf65db4d4712e1330766263b0bd/library/std/src/rt.rs:171:5
[INFO] [stdout]   17: std::rt::lang_start::<core::result::Result<(), anyhow::Error>>
[INFO] [stdout]              at /rustc/33835004928d3bf65db4d4712e1330766263b0bd/library/std/src/rt.rs:205:5
[INFO] [stdout]   18: main
[INFO] [stdout]   19: <unknown>
[INFO] [stdout]   20: __libc_start_main
[INFO] [stdout]   21: _start
[INFO] [stdout] ```
[INFO] [stdout] ```
[INFO] [stdout] command=`"/opt/rustwide/target/debug/ruffian" "format" "--check" "/tmp/.tmpqjVNGW/clean.py"`
[INFO] [stdout] code=1
[INFO] [stdout] stdout=""
[INFO] [stdout] stderr=```
[INFO] [stdout] Error: failed to exec ruff: No such file or directory (os error 2)
[INFO] [stdout] 
[INFO] [stdout] Stack backtrace:
[INFO] [stdout]    0: <anyhow::Error>::msg::<alloc::string::String>
[INFO] [stdout]              at /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/anyhow-1.0.102/src/backtrace.rs:10:14
[INFO] [stdout]    1: anyhow::__private::format_err
[INFO] [stdout]              at /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/anyhow-1.0.102/src/lib.rs:690:13
[INFO] [stdout]    2: ruffian::ruff::passthrough_format
[INFO] [stdout]              at ./src/ruff.rs:54:13
[INFO] [stdout]    3: ruffian::cli::run
[INFO] [stdout]              at ./src/cli.rs:67:45
[INFO] [stdout]    4: ruffian::main
[INFO] [stdout]              at ./src/main.rs:15:5
[INFO] [stdout]    5: <fn() -> core::result::Result<(), anyhow::Error> as core::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]              at /rustc/33835004928d3bf65db4d4712e1330766263b0bd/library/core/src/ops/function.rs:250:5
[INFO] [stdout]    6: std::sys::backtrace::__rust_begin_short_backtrace::<fn() -> core::result::Result<(), anyhow::Error>, core::result::Result<(), anyhow::Error>>
[INFO] [stdout]              at /rustc/33835004928d3bf65db4d4712e1330766263b0bd/library/std/src/sys/backtrace.rs:166:18
[INFO] [stdout]    7: std::rt::lang_start::<core::result::Result<(), anyhow::Error>>::{closure#0}
[INFO] [stdout]              at /rustc/33835004928d3bf65db4d4712e1330766263b0bd/library/std/src/rt.rs:206:18
[INFO] [stdout]    8: <&dyn core::ops::function::Fn<(), Output = i32> + core::marker::Sync + core::panic::unwind_safe::RefUnwindSafe as core::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]              at /rustc/33835004928d3bf65db4d4712e1330766263b0bd/library/core/src/ops/function.rs:287:21
[INFO] [stdout]    9: std::panicking::catch_unwind::do_call::<&dyn core::ops::function::Fn<(), Output = i32> + core::marker::Sync + core::panic::unwind_safe::RefUnwindSafe, i32>
[INFO] [stdout]              at /rustc/33835004928d3bf65db4d4712e1330766263b0bd/library/std/src/panicking.rs:581:40
[INFO] [stdout]   10: std::panicking::catch_unwind::<i32, &dyn core::ops::function::Fn<(), Output = i32> + core::marker::Sync + core::panic::unwind_safe::RefUnwindSafe>
[INFO] [stdout]              at /rustc/33835004928d3bf65db4d4712e1330766263b0bd/library/std/src/panicking.rs:544:19
[INFO] [stdout]   11: std::panic::catch_unwind::<&dyn core::ops::function::Fn<(), Output = i32> + core::marker::Sync + core::panic::unwind_safe::RefUnwindSafe, i32>
[INFO] [stdout]              at /rustc/33835004928d3bf65db4d4712e1330766263b0bd/library/std/src/panic.rs:359:14
[INFO] [stdout]   12: std::rt::lang_start_internal::{closure#0}
[INFO] [stdout]              at /rustc/33835004928d3bf65db4d4712e1330766263b0bd/library/std/src/rt.rs:175:24
[INFO] [stdout]   13: std::panicking::catch_unwind::do_call::<std::rt::lang_start_internal::{closure#0}, isize>
[INFO] [stdout]              at /rustc/33835004928d3bf65db4d4712e1330766263b0bd/library/std/src/panicking.rs:581:40
[INFO] [stdout]   14: std::panicking::catch_unwind::<isize, std::rt::lang_start_internal::{closure#0}>
[INFO] [stdout]              at /rustc/33835004928d3bf65db4d4712e1330766263b0bd/library/std/src/panicking.rs:544:19
[INFO] [stdout]   15: std::panic::catch_unwind::<std::rt::lang_start_internal::{closure#0}, isize>
[INFO] [stdout]              at /rustc/33835004928d3bf65db4d4712e1330766263b0bd/library/std/src/panic.rs:359:14
[INFO] [stdout]   16: std::rt::lang_start_internal
[INFO] [stdout]              at /rustc/33835004928d3bf65db4d4712e1330766263b0bd/library/std/src/rt.rs:171:5
[INFO] [stdout]   17: std::rt::lang_start::<core::result::Result<(), anyhow::Error>>
[INFO] [stdout]              at /rustc/33835004928d3bf65db4d4712e1330766263b0bd/library/std/src/rt.rs:205:5
[INFO] [stdout]   18: main
[INFO] [stdout]   19: <unknown>
[INFO] [stdout]   20: __libc_start_main
[INFO] [stdout]   21: _start
[INFO] [stdout] ```
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] stack backtrace:
[INFO] [stdout]    0:     0x65070e02b96a - std[ec419fa8110287d5]::backtrace_rs::backtrace::libunwind::trace
[INFO] [stdout]                                at /rustc/33835004928d3bf65db4d4712e1330766263b0bd/library/std/src/../../backtrace/src/backtrace/libunwind.rs:117:9
[INFO] [stdout]    1:     0x65070e02b96a - std[ec419fa8110287d5]::backtrace_rs::backtrace::trace_unsynchronized::<std[ec419fa8110287d5]::sys::backtrace::_print_fmt::{closure#1}>
[INFO] [stdout]                                at /rustc/33835004928d3bf65db4d4712e1330766263b0bd/library/std/src/../../backtrace/src/backtrace/mod.rs:66:14
[INFO] [stdout]    2:     0x65070e02b96a - std[ec419fa8110287d5]::sys::backtrace::_print_fmt
[INFO] [stdout]                                at /rustc/33835004928d3bf65db4d4712e1330766263b0bd/library/std/src/sys/backtrace.rs:74:9
[INFO] [stdout]    3:     0x65070e02b96a - <<std[ec419fa8110287d5]::sys::backtrace::BacktraceLock>::print::DisplayBacktrace as core[35159d6ffb30e017]::fmt::Display>::fmt
[INFO] [stdout]                                at /rustc/33835004928d3bf65db4d4712e1330766263b0bd/library/std/src/sys/backtrace.rs:44:26
[INFO] [stdout]    4:     0x65070e04218a - <core[35159d6ffb30e017]::fmt::rt::Argument>::fmt
[INFO] [stdout]                                at /rustc/33835004928d3bf65db4d4712e1330766263b0bd/library/core/src/fmt/rt.rs:152:76
[INFO] [stdout]    5:     0x65070e04218a - core[35159d6ffb30e017]::fmt::write
[INFO] [stdout]    6:     0x65070e0316f2 - std[ec419fa8110287d5]::io::default_write_fmt::<alloc[a8a7aba520129d98]::vec::Vec<u8>>
[INFO] [stdout]                                at /rustc/33835004928d3bf65db4d4712e1330766263b0bd/library/std/src/io/mod.rs:621:11
[INFO] [stdout]    7:     0x65070e0316f2 - <alloc[a8a7aba520129d98]::vec::Vec<u8> as std[ec419fa8110287d5]::io::Write>::write_fmt
[INFO] [stdout]                                at /rustc/33835004928d3bf65db4d4712e1330766263b0bd/library/std/src/io/mod.rs:1976:13
[INFO] [stdout]    8:     0x65070e00860f - <std[ec419fa8110287d5]::sys::backtrace::BacktraceLock>::print
[INFO] [stdout]                                at /rustc/33835004928d3bf65db4d4712e1330766263b0bd/library/std/src/sys/backtrace.rs:47:9
[INFO] [stdout]    9:     0x65070e00860f - std[ec419fa8110287d5]::panicking::default_hook::{closure#0}
[INFO] [stdout]                                at /rustc/33835004928d3bf65db4d4712e1330766263b0bd/library/std/src/panicking.rs:292:27
[INFO] [stdout]   10:     0x65070e023149 - std[ec419fa8110287d5]::panicking::default_hook
[INFO] [stdout]                                at /rustc/33835004928d3bf65db4d4712e1330766263b0bd/library/std/src/panicking.rs:316:9
[INFO] [stdout]   11:     0x65070df4552c - <alloc[a8a7aba520129d98]::boxed::Box<dyn for<'a, 'b> core[35159d6ffb30e017]::ops::function::Fn<(&'a std[ec419fa8110287d5]::panic::PanicHookInfo<'b>,), Output = ()> + core[35159d6ffb30e017]::marker::Sync + core[35159d6ffb30e017]::marker::Send> as core[35159d6ffb30e017]::ops::function::Fn<(&std[ec419fa8110287d5]::panic::PanicHookInfo,)>>::call
[INFO] [stdout]                                at /rustc/33835004928d3bf65db4d4712e1330766263b0bd/library/alloc/src/boxed.rs:2285:9
[INFO] [stdout]   12:     0x65070df4552c - test[a8007afcd3effadc]::test_main_inner::<test[a8007afcd3effadc]::test_main_static::{closure#0}>::{closure#0}
[INFO] [stdout]                                at /rustc/33835004928d3bf65db4d4712e1330766263b0bd/library/test/src/lib.rs:155:21
[INFO] [stdout]   13:     0x65070e023302 - <alloc[a8a7aba520129d98]::boxed::Box<dyn for<'a, 'b> core[35159d6ffb30e017]::ops::function::Fn<(&'a std[ec419fa8110287d5]::panic::PanicHookInfo<'b>,), Output = ()> + core[35159d6ffb30e017]::marker::Sync + core[35159d6ffb30e017]::marker::Send> as core[35159d6ffb30e017]::ops::function::Fn<(&std[ec419fa8110287d5]::panic::PanicHookInfo,)>>::call
[INFO] [stdout]                                at /rustc/33835004928d3bf65db4d4712e1330766263b0bd/library/alloc/src/boxed.rs:2285:9
[INFO] [stdout]   14:     0x65070e023302 - std[ec419fa8110287d5]::panicking::panic_with_hook
[INFO] [stdout]                                at /rustc/33835004928d3bf65db4d4712e1330766263b0bd/library/std/src/panicking.rs:833:13
[INFO] [stdout]   15:     0x65070e0086c8 - std[ec419fa8110287d5]::panicking::panic_handler::{closure#0}
[INFO] [stdout]                                at /rustc/33835004928d3bf65db4d4712e1330766263b0bd/library/std/src/panicking.rs:698:13
[INFO] [stdout]   16:     0x65070dfffe39 - std[ec419fa8110287d5]::sys::backtrace::__rust_end_short_backtrace::<std[ec419fa8110287d5]::panicking::panic_handler::{closure#0}, !>
[INFO] [stdout]                                at /rustc/33835004928d3bf65db4d4712e1330766263b0bd/library/std/src/sys/backtrace.rs:182:18
[INFO] [stdout]   17:     0x65070e00946d - __rustc[cfb3622dd870db93]::rust_begin_unwind
[INFO] [stdout]                                at /rustc/33835004928d3bf65db4d4712e1330766263b0bd/library/std/src/panicking.rs:689:5
[INFO] [stdout]   18:     0x65070e04299c - core[35159d6ffb30e017]::panicking::panic_fmt
[INFO] [stdout]                                at /rustc/33835004928d3bf65db4d4712e1330766263b0bd/library/core/src/panicking.rs:80:14
[INFO] [stdout]   19:     0x65070dfb0708 - core[35159d6ffb30e017]::panicking::panic_display::<assert_cmd[35950e0b123f7429]::assert::AssertError>
[INFO] [stdout]                                at /rustc/33835004928d3bf65db4d4712e1330766263b0bd/library/core/src/panicking.rs:259:5
[INFO] [stdout]   20:     0x65070dfae9f7 - <assert_cmd[35950e0b123f7429]::assert::AssertError>::panic::<assert_cmd[35950e0b123f7429]::assert::Assert>
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/assert_cmd-2.2.1/src/assert.rs:1036:9
[INFO] [stdout]   21:     0x65070dfb42b7 - <<assert_cmd[35950e0b123f7429]::assert::AssertError>::panic<assert_cmd[35950e0b123f7429]::assert::Assert> as core[35159d6ffb30e017]::ops::function::FnOnce<(assert_cmd[35950e0b123f7429]::assert::AssertError,)>>::call_once
[INFO] [stdout]                                at /rustc/33835004928d3bf65db4d4712e1330766263b0bd/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   22:     0x65070dfb4634 - <core[35159d6ffb30e017]::result::Result<assert_cmd[35950e0b123f7429]::assert::Assert, assert_cmd[35950e0b123f7429]::assert::AssertError>>::unwrap_or_else::<<assert_cmd[35950e0b123f7429]::assert::AssertError>::panic<assert_cmd[35950e0b123f7429]::assert::Assert>>
[INFO] [stdout]                                at /rustc/33835004928d3bf65db4d4712e1330766263b0bd/library/core/src/result.rs:1622:23
[INFO] [stdout]   23:     0x65070dfb1f90 - <assert_cmd[35950e0b123f7429]::assert::Assert>::success
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/assert_cmd-2.2.1/src/assert.rs:161:28
[INFO] [stdout]   24:     0x65070df358b5 - integration[c26367521ce6f8e0]::format_check_exits_zero_for_well_formatted_file
[INFO] [stdout]                                at /opt/rustwide/workdir/tests/integration/test_check.rs:145:10
[INFO] [stdout]   25:     0x65070df2dd57 - integration[c26367521ce6f8e0]::format_check_exits_zero_for_well_formatted_file::{closure#0}
[INFO] [stdout]                                at /opt/rustwide/workdir/tests/integration/test_check.rs:137:53
[INFO] [stdout]   26:     0x65070df38626 - <integration[c26367521ce6f8e0]::format_check_exits_zero_for_well_formatted_file::{closure#0} as core[35159d6ffb30e017]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]                                at /rustc/33835004928d3bf65db4d4712e1330766263b0bd/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   27:     0x65070df3880b - <fn() -> core[35159d6ffb30e017]::result::Result<(), alloc[a8a7aba520129d98]::string::String> as core[35159d6ffb30e017]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]                                at /rustc/33835004928d3bf65db4d4712e1330766263b0bd/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   28:     0x65070df3880b - test[a8007afcd3effadc]::__rust_begin_short_backtrace::<core[35159d6ffb30e017]::result::Result<(), alloc[a8a7aba520129d98]::string::String>, fn() -> core[35159d6ffb30e017]::result::Result<(), alloc[a8a7aba520129d98]::string::String>>
[INFO] [stdout]                                at /rustc/33835004928d3bf65db4d4712e1330766263b0bd/library/test/src/lib.rs:724:18
[INFO] [stdout]   29:     0x65070df45ffb - test[a8007afcd3effadc]::run_test_in_process::{closure#0}
[INFO] [stdout]                                at /rustc/33835004928d3bf65db4d4712e1330766263b0bd/library/test/src/lib.rs:747:74
[INFO] [stdout]   30:     0x65070df45ffb - <core[35159d6ffb30e017]::panic::unwind_safe::AssertUnwindSafe<test[a8007afcd3effadc]::run_test_in_process::{closure#0}> as core[35159d6ffb30e017]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]                                at /rustc/33835004928d3bf65db4d4712e1330766263b0bd/library/core/src/panic/unwind_safe.rs:275:9
[INFO] [stdout]   31:     0x65070df45ffb - std[ec419fa8110287d5]::panicking::catch_unwind::do_call::<core[35159d6ffb30e017]::panic::unwind_safe::AssertUnwindSafe<test[a8007afcd3effadc]::run_test_in_process::{closure#0}>, core[35159d6ffb30e017]::result::Result<(), alloc[a8a7aba520129d98]::string::String>>
[INFO] [stdout]                                at /rustc/33835004928d3bf65db4d4712e1330766263b0bd/library/std/src/panicking.rs:581:40
[INFO] [stdout]   32:     0x65070df45ffb - std[ec419fa8110287d5]::panicking::catch_unwind::<core[35159d6ffb30e017]::result::Result<(), alloc[a8a7aba520129d98]::string::String>, core[35159d6ffb30e017]::panic::unwind_safe::AssertUnwindSafe<test[a8007afcd3effadc]::run_test_in_process::{closure#0}>>
[INFO] [stdout]                                at /rustc/33835004928d3bf65db4d4712e1330766263b0bd/library/std/src/panicking.rs:544:19
[INFO] [stdout]   33:     0x65070df45ffb - std[ec419fa8110287d5]::panic::catch_unwind::<core[35159d6ffb30e017]::panic::unwind_safe::AssertUnwindSafe<test[a8007afcd3effadc]::run_test_in_process::{closure#0}>, core[35159d6ffb30e017]::result::Result<(), alloc[a8a7aba520129d98]::string::String>>
[INFO] [stdout]                                at /rustc/33835004928d3bf65db4d4712e1330766263b0bd/library/std/src/panic.rs:359:14
[INFO] [stdout]   34:     0x65070df45ffb - test[a8007afcd3effadc]::run_test_in_process
[INFO] [stdout]                                at /rustc/33835004928d3bf65db4d4712e1330766263b0bd/library/test/src/lib.rs:747:27
[INFO] [stdout]   35:     0x65070df45ffb - test[a8007afcd3effadc]::run_test::{closure#0}
[INFO] [stdout]                                at /rustc/33835004928d3bf65db4d4712e1330766263b0bd/library/test/src/lib.rs:668:43
[INFO] [stdout]   36:     0x65070df409d4 - test[a8007afcd3effadc]::run_test::{closure#1}
[INFO] [stdout]                                at /rustc/33835004928d3bf65db4d4712e1330766263b0bd/library/test/src/lib.rs:698:41
[INFO] [stdout]   37:     0x65070df409d4 - std[ec419fa8110287d5]::sys::backtrace::__rust_begin_short_backtrace::<test[a8007afcd3effadc]::run_test::{closure#1}, ()>
[INFO] [stdout]                                at /rustc/33835004928d3bf65db4d4712e1330766263b0bd/library/std/src/sys/backtrace.rs:166:18
[INFO] [stdout]   38:     0x65070df48c02 - std[ec419fa8110287d5]::thread::lifecycle::spawn_unchecked::<test[a8007afcd3effadc]::run_test::{closure#1}, ()>::{closure#1}::{closure#0}
[INFO] [stdout]                                at /rustc/33835004928d3bf65db4d4712e1330766263b0bd/library/std/src/thread/lifecycle.rs:70:13
[INFO] [stdout]   39:     0x65070df48c02 - <core[35159d6ffb30e017]::panic::unwind_safe::AssertUnwindSafe<std[ec419fa8110287d5]::thread::lifecycle::spawn_unchecked<test[a8007afcd3effadc]::run_test::{closure#1}, ()>::{closure#1}::{closure#0}> as core[35159d6ffb30e017]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]                                at /rustc/33835004928d3bf65db4d4712e1330766263b0bd/library/core/src/panic/unwind_safe.rs:275:9
[INFO] [stdout]   40:     0x65070df48c02 - std[ec419fa8110287d5]::panicking::catch_unwind::do_call::<core[35159d6ffb30e017]::panic::unwind_safe::AssertUnwindSafe<std[ec419fa8110287d5]::thread::lifecycle::spawn_unchecked<test[a8007afcd3effadc]::run_test::{closure#1}, ()>::{closure#1}::{closure#0}>, ()>
[INFO] [stdout]                                at /rustc/33835004928d3bf65db4d4712e1330766263b0bd/library/std/src/panicking.rs:581:40
[INFO] [stdout]   41:     0x65070df48c02 - std[ec419fa8110287d5]::panicking::catch_unwind::<(), core[35159d6ffb30e017]::panic::unwind_safe::AssertUnwindSafe<std[ec419fa8110287d5]::thread::lifecycle::spawn_unchecked<test[a8007afcd3effadc]::run_test::{closure#1}, ()>::{closure#1}::{closure#0}>>
[INFO] [stdout]                                at /rustc/33835004928d3bf65db4d4712e1330766263b0bd/library/std/src/panicking.rs:544:19
[INFO] [stderr] error: test failed, to rerun pass `--test integration`
[INFO] [stdout]   42:     0x65070df48c02 - std[ec419fa8110287d5]::panic::catch_unwind::<core[35159d6ffb30e017]::panic::unwind_safe::AssertUnwindSafe<std[ec419fa8110287d5]::thread::lifecycle::spawn_unchecked<test[a8007afcd3effadc]::run_test::{closure#1}, ()>::{closure#1}::{closure#0}>, ()>
[INFO] [stdout]                                at /rustc/33835004928d3bf65db4d4712e1330766263b0bd/library/std/src/panic.rs:359:14
[INFO] [stdout]   43:     0x65070df48c02 - std[ec419fa8110287d5]::thread::lifecycle::spawn_unchecked::<test[a8007afcd3effadc]::run_test::{closure#1}, ()>::{closure#1}
[INFO] [stdout]                                at /rustc/33835004928d3bf65db4d4712e1330766263b0bd/library/std/src/thread/lifecycle.rs:68:26
[INFO] [stdout]   44:     0x65070df48c02 - <std[ec419fa8110287d5]::thread::lifecycle::spawn_unchecked<test[a8007afcd3effadc]::run_test::{closure#1}, ()>::{closure#1} as core[35159d6ffb30e017]::ops::function::FnOnce<()>>::call_once::{shim:vtable#0}
[INFO] [stdout]                                at /rustc/33835004928d3bf65db4d4712e1330766263b0bd/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   45:     0x65070e02acdf - <alloc[a8a7aba520129d98]::boxed::Box<dyn core[35159d6ffb30e017]::ops::function::FnOnce<(), Output = ()> + core[35159d6ffb30e017]::marker::Send> as core[35159d6ffb30e017]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]                                at /rustc/33835004928d3bf65db4d4712e1330766263b0bd/library/alloc/src/boxed.rs:2271:9
[INFO] [stdout]   46:     0x65070e02acdf - <std[ec419fa8110287d5]::sys::thread::unix::Thread>::new::thread_start
[INFO] [stdout]                                at /rustc/33835004928d3bf65db4d4712e1330766263b0bd/library/std/src/sys/thread/unix.rs:118:17
[INFO] [stdout]   47:     0x79f6b45d8aa4 - <unknown>
[INFO] [stdout]   48:     0x79f6b4665a64 - clone
[INFO] [stdout]   49:                0x0 - <unknown>
[INFO] [stdout] 
[INFO] [stdout] ---- json_output_includes_ruffian_violations stdout ----
[INFO] [stdout] 
[INFO] [stdout] thread 'json_output_includes_ruffian_violations' (36) panicked at tests/integration/test_check.rs:316:48:
[INFO] [stdout] stdout must be valid JSON: Error("EOF while parsing a value", line: 1, column: 0)
[INFO] [stdout] stack backtrace:
[INFO] [stdout]    0:     0x65070e02b96a - std[ec419fa8110287d5]::backtrace_rs::backtrace::libunwind::trace
[INFO] [stdout]                                at /rustc/33835004928d3bf65db4d4712e1330766263b0bd/library/std/src/../../backtrace/src/backtrace/libunwind.rs:117:9
[INFO] [stdout]    1:     0x65070e02b96a - std[ec419fa8110287d5]::backtrace_rs::backtrace::trace_unsynchronized::<std[ec419fa8110287d5]::sys::backtrace::_print_fmt::{closure#1}>
[INFO] [stdout]                                at /rustc/33835004928d3bf65db4d4712e1330766263b0bd/library/std/src/../../backtrace/src/backtrace/mod.rs:66:14
[INFO] [stdout]    2:     0x65070e02b96a - std[ec419fa8110287d5]::sys::backtrace::_print_fmt
[INFO] [stdout]                                at /rustc/33835004928d3bf65db4d4712e1330766263b0bd/library/std/src/sys/backtrace.rs:74:9
[INFO] [stdout]    3:     0x65070e02b96a - <<std[ec419fa8110287d5]::sys::backtrace::BacktraceLock>::print::DisplayBacktrace as core[35159d6ffb30e017]::fmt::Display>::fmt
[INFO] [stdout]                                at /rustc/33835004928d3bf65db4d4712e1330766263b0bd/library/std/src/sys/backtrace.rs:44:26
[INFO] [stdout]    4:     0x65070e04218a - <core[35159d6ffb30e017]::fmt::rt::Argument>::fmt
[INFO] [stdout]                                at /rustc/33835004928d3bf65db4d4712e1330766263b0bd/library/core/src/fmt/rt.rs:152:76
[INFO] [stdout]    5:     0x65070e04218a - core[35159d6ffb30e017]::fmt::write
[INFO] [stdout]    6:     0x65070e0316f2 - std[ec419fa8110287d5]::io::default_write_fmt::<alloc[a8a7aba520129d98]::vec::Vec<u8>>
[INFO] [stdout]                                at /rustc/33835004928d3bf65db4d4712e1330766263b0bd/library/std/src/io/mod.rs:621:11
[INFO] [stdout]    7:     0x65070e0316f2 - <alloc[a8a7aba520129d98]::vec::Vec<u8> as std[ec419fa8110287d5]::io::Write>::write_fmt
[INFO] [stdout]                                at /rustc/33835004928d3bf65db4d4712e1330766263b0bd/library/std/src/io/mod.rs:1976:13
[INFO] [stdout]    8:     0x65070e00860f - <std[ec419fa8110287d5]::sys::backtrace::BacktraceLock>::print
[INFO] [stdout]                                at /rustc/33835004928d3bf65db4d4712e1330766263b0bd/library/std/src/sys/backtrace.rs:47:9
[INFO] [stdout]    9:     0x65070e00860f - std[ec419fa8110287d5]::panicking::default_hook::{closure#0}
[INFO] [stdout]                                at /rustc/33835004928d3bf65db4d4712e1330766263b0bd/library/std/src/panicking.rs:292:27
[INFO] [stdout]   10:     0x65070e023149 - std[ec419fa8110287d5]::panicking::default_hook
[INFO] [stdout]                                at /rustc/33835004928d3bf65db4d4712e1330766263b0bd/library/std/src/panicking.rs:316:9
[INFO] [stdout]   11:     0x65070df4552c - <alloc[a8a7aba520129d98]::boxed::Box<dyn for<'a, 'b> core[35159d6ffb30e017]::ops::function::Fn<(&'a std[ec419fa8110287d5]::panic::PanicHookInfo<'b>,), Output = ()> + core[35159d6ffb30e017]::marker::Sync + core[35159d6ffb30e017]::marker::Send> as core[35159d6ffb30e017]::ops::function::Fn<(&std[ec419fa8110287d5]::panic::PanicHookInfo,)>>::call
[INFO] [stdout]                                at /rustc/33835004928d3bf65db4d4712e1330766263b0bd/library/alloc/src/boxed.rs:2285:9
[INFO] [stdout]   12:     0x65070df4552c - test[a8007afcd3effadc]::test_main_inner::<test[a8007afcd3effadc]::test_main_static::{closure#0}>::{closure#0}
[INFO] [stdout]                                at /rustc/33835004928d3bf65db4d4712e1330766263b0bd/library/test/src/lib.rs:155:21
[INFO] [stdout]   13:     0x65070e023302 - <alloc[a8a7aba520129d98]::boxed::Box<dyn for<'a, 'b> core[35159d6ffb30e017]::ops::function::Fn<(&'a std[ec419fa8110287d5]::panic::PanicHookInfo<'b>,), Output = ()> + core[35159d6ffb30e017]::marker::Sync + core[35159d6ffb30e017]::marker::Send> as core[35159d6ffb30e017]::ops::function::Fn<(&std[ec419fa8110287d5]::panic::PanicHookInfo,)>>::call
[INFO] [stdout]                                at /rustc/33835004928d3bf65db4d4712e1330766263b0bd/library/alloc/src/boxed.rs:2285:9
[INFO] [stdout]   14:     0x65070e023302 - std[ec419fa8110287d5]::panicking::panic_with_hook
[INFO] [stdout]                                at /rustc/33835004928d3bf65db4d4712e1330766263b0bd/library/std/src/panicking.rs:833:13
[INFO] [stdout]   15:     0x65070e0086c8 - std[ec419fa8110287d5]::panicking::panic_handler::{closure#0}
[INFO] [stdout]                                at /rustc/33835004928d3bf65db4d4712e1330766263b0bd/library/std/src/panicking.rs:698:13
[INFO] [stdout]   16:     0x65070dfffe39 - std[ec419fa8110287d5]::sys::backtrace::__rust_end_short_backtrace::<std[ec419fa8110287d5]::panicking::panic_handler::{closure#0}, !>
[INFO] [stdout]                                at /rustc/33835004928d3bf65db4d4712e1330766263b0bd/library/std/src/sys/backtrace.rs:182:18
[INFO] [stdout]   17:     0x65070e00946d - __rustc[cfb3622dd870db93]::rust_begin_unwind
[INFO] [stdout]                                at /rustc/33835004928d3bf65db4d4712e1330766263b0bd/library/std/src/panicking.rs:689:5
[INFO] [stdout]   18:     0x65070e04299c - core[35159d6ffb30e017]::panicking::panic_fmt
[INFO] [stdout]                                at /rustc/33835004928d3bf65db4d4712e1330766263b0bd/library/core/src/panicking.rs:80:14
[INFO] [stdout]   19:     0x65070e042712 - core[35159d6ffb30e017]::result::unwrap_failed
[INFO] [stdout]                                at /rustc/33835004928d3bf65db4d4712e1330766263b0bd/library/core/src/result.rs:1867:5
[INFO] [stdout]   20:     0x65070df25dbc - <core[35159d6ffb30e017]::result::Result<alloc[a8a7aba520129d98]::vec::Vec<serde_json[addfbee52d7b9d1f]::value::Value>, serde_json[addfbee52d7b9d1f]::error::Error>>::expect
[INFO] [stdout]                                at /rustc/33835004928d3bf65db4d4712e1330766263b0bd/library/core/src/result.rs:1185:23
[INFO] [stdout]   21:     0x65070df32637 - integration[c26367521ce6f8e0]::json_output_includes_ruffian_violations
[INFO] [stdout]                                at /opt/rustwide/workdir/tests/integration/test_check.rs:316:48
[INFO] [stdout]   22:     0x65070df2dbd7 - integration[c26367521ce6f8e0]::json_output_includes_ruffian_violations::{closure#0}
[INFO] [stdout]                                at /opt/rustwide/workdir/tests/integration/test_check.rs:297:45
[INFO] [stdout]   23:     0x65070df38426 - <integration[c26367521ce6f8e0]::json_output_includes_ruffian_violations::{closure#0} as core[35159d6ffb30e017]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]                                at /rustc/33835004928d3bf65db4d4712e1330766263b0bd/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   24:     0x65070df3880b - <fn() -> core[35159d6ffb30e017]::result::Result<(), alloc[a8a7aba520129d98]::string::String> as core[35159d6ffb30e017]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]                                at /rustc/33835004928d3bf65db4d4712e1330766263b0bd/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   25:     0x65070df3880b - test[a8007afcd3effadc]::__rust_begin_short_backtrace::<core[35159d6ffb30e017]::result::Result<(), alloc[a8a7aba520129d98]::string::String>, fn() -> core[35159d6ffb30e017]::result::Result<(), alloc[a8a7aba520129d98]::string::String>>
[INFO] [stdout]                                at /rustc/33835004928d3bf65db4d4712e1330766263b0bd/library/test/src/lib.rs:724:18
[INFO] [stdout]   26:     0x65070df45ffb - test[a8007afcd3effadc]::run_test_in_process::{closure#0}
[INFO] [stdout]                                at /rustc/33835004928d3bf65db4d4712e1330766263b0bd/library/test/src/lib.rs:747:74
[INFO] [stdout]   27:     0x65070df45ffb - <core[35159d6ffb30e017]::panic::unwind_safe::AssertUnwindSafe<test[a8007afcd3effadc]::run_test_in_process::{closure#0}> as core[35159d6ffb30e017]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]                                at /rustc/33835004928d3bf65db4d4712e1330766263b0bd/library/core/src/panic/unwind_safe.rs:275:9
[INFO] [stdout]   28:     0x65070df45ffb - std[ec419fa8110287d5]::panicking::catch_unwind::do_call::<core[35159d6ffb30e017]::panic::unwind_safe::AssertUnwindSafe<test[a8007afcd3effadc]::run_test_in_process::{closure#0}>, core[35159d6ffb30e017]::result::Result<(), alloc[a8a7aba520129d98]::string::String>>
[INFO] [stdout]                                at /rustc/33835004928d3bf65db4d4712e1330766263b0bd/library/std/src/panicking.rs:581:40
[INFO] [stdout]   29:     0x65070df45ffb - std[ec419fa8110287d5]::panicking::catch_unwind::<core[35159d6ffb30e017]::result::Result<(), alloc[a8a7aba520129d98]::string::String>, core[35159d6ffb30e017]::panic::unwind_safe::AssertUnwindSafe<test[a8007afcd3effadc]::run_test_in_process::{closure#0}>>
[INFO] [stdout]                                at /rustc/33835004928d3bf65db4d4712e1330766263b0bd/library/std/src/panicking.rs:544:19
[INFO] [stdout]   30:     0x65070df45ffb - std[ec419fa8110287d5]::panic::catch_unwind::<core[35159d6ffb30e017]::panic::unwind_safe::AssertUnwindSafe<test[a8007afcd3effadc]::run_test_in_process::{closure#0}>, core[35159d6ffb30e017]::result::Result<(), alloc[a8a7aba520129d98]::string::String>>
[INFO] [stdout]                                at /rustc/33835004928d3bf65db4d4712e1330766263b0bd/library/std/src/panic.rs:359:14
[INFO] [stdout]   31:     0x65070df45ffb - test[a8007afcd3effadc]::run_test_in_process
[INFO] [stdout]                                at /rustc/33835004928d3bf65db4d4712e1330766263b0bd/library/test/src/lib.rs:747:27
[INFO] [stdout]   32:     0x65070df45ffb - test[a8007afcd3effadc]::run_test::{closure#0}
[INFO] [stdout]                                at /rustc/33835004928d3bf65db4d4712e1330766263b0bd/library/test/src/lib.rs:668:43
[INFO] [stdout]   33:     0x65070df409d4 - test[a8007afcd3effadc]::run_test::{closure#1}
[INFO] [stdout]                                at /rustc/33835004928d3bf65db4d4712e1330766263b0bd/library/test/src/lib.rs:698:41
[INFO] [stdout]   34:     0x65070df409d4 - std[ec419fa8110287d5]::sys::backtrace::__rust_begin_short_backtrace::<test[a8007afcd3effadc]::run_test::{closure#1}, ()>
[INFO] [stdout]                                at /rustc/33835004928d3bf65db4d4712e1330766263b0bd/library/std/src/sys/backtrace.rs:166:18
[INFO] [stdout]   35:     0x65070df48c02 - std[ec419fa8110287d5]::thread::lifecycle::spawn_unchecked::<test[a8007afcd3effadc]::run_test::{closure#1}, ()>::{closure#1}::{closure#0}
[INFO] [stdout]                                at /rustc/33835004928d3bf65db4d4712e1330766263b0bd/library/std/src/thread/lifecycle.rs:70:13
[INFO] [stdout]   36:     0x65070df48c02 - <core[35159d6ffb30e017]::panic::unwind_safe::AssertUnwindSafe<std[ec419fa8110287d5]::thread::lifecycle::spawn_unchecked<test[a8007afcd3effadc]::run_test::{closure#1}, ()>::{closure#1}::{closure#0}> as core[35159d6ffb30e017]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]                                at /rustc/33835004928d3bf65db4d4712e1330766263b0bd/library/core/src/panic/unwind_safe.rs:275:9
[INFO] [stdout]   37:     0x65070df48c02 - std[ec419fa8110287d5]::panicking::catch_unwind::do_call::<core[35159d6ffb30e017]::panic::unwind_safe::AssertUnwindSafe<std[ec419fa8110287d5]::thread::lifecycle::spawn_unchecked<test[a8007afcd3effadc]::run_test::{closure#1}, ()>::{closure#1}::{closure#0}>, ()>
[INFO] [stdout]                                at /rustc/33835004928d3bf65db4d4712e1330766263b0bd/library/std/src/panicking.rs:581:40
[INFO] [stdout]   38:     0x65070df48c02 - std[ec419fa8110287d5]::panicking::catch_unwind::<(), core[35159d6ffb30e017]::panic::unwind_safe::AssertUnwindSafe<std[ec419fa8110287d5]::thread::lifecycle::spawn_unchecked<test[a8007afcd3effadc]::run_test::{closure#1}, ()>::{closure#1}::{closure#0}>>
[INFO] [stdout]                                at /rustc/33835004928d3bf65db4d4712e1330766263b0bd/library/std/src/panicking.rs:544:19
[INFO] [stdout]   39:     0x65070df48c02 - std[ec419fa8110287d5]::panic::catch_unwind::<core[35159d6ffb30e017]::panic::unwind_safe::AssertUnwindSafe<std[ec419fa8110287d5]::thread::lifecycle::spawn_unchecked<test[a8007afcd3effadc]::run_test::{closure#1}, ()>::{closure#1}::{closure#0}>, ()>
[INFO] [stdout]                                at /rustc/33835004928d3bf65db4d4712e1330766263b0bd/library/std/src/panic.rs:359:14
[INFO] [stdout]   40:     0x65070df48c02 - std[ec419fa8110287d5]::thread::lifecycle::spawn_unchecked::<test[a8007afcd3effadc]::run_test::{closure#1}, ()>::{closure#1}
[INFO] [stdout]                                at /rustc/33835004928d3bf65db4d4712e1330766263b0bd/library/std/src/thread/lifecycle.rs:68:26
[INFO] [stdout]   41:     0x65070df48c02 - <std[ec419fa8110287d5]::thread::lifecycle::spawn_unchecked<test[a8007afcd3effadc]::run_test::{closure#1}, ()>::{closure#1} as core[35159d6ffb30e017]::ops::function::FnOnce<()>>::call_once::{shim:vtable#0}
[INFO] [stdout]                                at /rustc/33835004928d3bf65db4d4712e1330766263b0bd/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   42:     0x65070e02acdf - <alloc[a8a7aba520129d98]::boxed::Box<dyn core[35159d6ffb30e017]::ops::function::FnOnce<(), Output = ()> + core[35159d6ffb30e017]::marker::Send> as core[35159d6ffb30e017]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]                                at /rustc/33835004928d3bf65db4d4712e1330766263b0bd/library/alloc/src/boxed.rs:2271:9
[INFO] [stdout]   43:     0x65070e02acdf - <std[ec419fa8110287d5]::sys::thread::unix::Thread>::new::thread_start
[INFO] [stdout]                                at /rustc/33835004928d3bf65db4d4712e1330766263b0bd/library/std/src/sys/thread/unix.rs:118:17
[INFO] [stdout]   44:     0x79f6b45d8aa4 - <unknown>
[INFO] [stdout]   45:     0x79f6b4665a64 - clone
[INFO] [stdout]   46:                0x0 - <unknown>
[INFO] [stdout] 
[INFO] [stdout] ---- plugin_returning_empty_array_exits_zero stdout ----
[INFO] [stdout] 
[INFO] [stdout] thread 'plugin_returning_empty_array_exits_zero' (422) panicked at /rustc/33835004928d3bf65db4d4712e1330766263b0bd/library/core/src/ops/function.rs:250:5:
[INFO] [stdout] Unexpected failure.
[INFO] [stdout] code=1
[INFO] [stdout] stderr=``````
[INFO] [stdout] Error: failed to spawn ruff — is it installed and on PATH?
[INFO] [stdout] 
[INFO] [stdout] Caused by:
[INFO] [stdout]     No such file or directory (os error 2)
[INFO] [stdout] 
[INFO] [stdout] Stack backtrace:
[INFO] [stdout]    0: <std::io::error::Error as anyhow::context::ext::StdError>::ext_context::<&str>
[INFO] [stdout]              at /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/anyhow-1.0.102/src/backtrace.rs:10:14
[INFO] [stdout]    1: <core::result::Result<std::process::Output, std::io::error::Error> as anyhow::Context<std::process::Output, std::io::error::Error>>::context::<&str>
[INFO] [stdout]              at /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/anyhow-1.0.102/src/context.rs:54:37
[INFO] [stdout]    2: ruffian::ruff::check
[INFO] [stdout]              at /opt/rustwide/workdir/src/ruff.rs:34:10
[INFO] [stdout]    3: ruffian::runner::run_check::{closure#1}
[INFO] [stdout]              at /opt/rustwide/workdir/src/runner.rs:44:9
[INFO] [stdout]    4: std::sys::backtrace::__rust_begin_short_backtrace::<ruffian::runner::run_check::{closure#1}, core::result::Result<alloc::vec::Vec<ruffian::ruff::Violation>, anyhow::Error>>
[INFO] [stdout]              at /rustc/33835004928d3bf65db4d4712e1330766263b0bd/library/std/src/sys/backtrace.rs:166:18
[INFO] [stdout]    5: std::thread::lifecycle::spawn_unchecked::<ruffian::runner::run_check::{closure#1}, core::result::Result<alloc::vec::Vec<ruffian::ruff::Violation>, anyhow::Error>>::{closure#1}::{closure#0}
[INFO] [stdout]              at /rustc/33835004928d3bf65db4d4712e1330766263b0bd/library/std/src/thread/lifecycle.rs:70:13
[INFO] [stdout]    6: <core::panic::unwind_safe::AssertUnwindSafe<std::thread::lifecycle::spawn_unchecked<ruffian::runner::run_check::{closure#1}, core::result::Result<alloc::vec::Vec<ruffian::ruff::Violation>, anyhow::Error>>::{closure#1}::{closure#0}> as core::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]              at /rustc/33835004928d3bf65db4d4712e1330766263b0bd/library/core/src/panic/unwind_safe.rs:275:9
[INFO] [stdout]    7: std::panicking::catch_unwind::do_call::<core::panic::unwind_safe::AssertUnwindSafe<std::thread::lifecycle::spawn_unchecked<ruffian::runner::run_check::{closure#1}, core::result::Result<alloc::vec::Vec<ruffian::ruff::Violation>, anyhow::Error>>::{closure#1}::{closure#0}>, core::result::Result<alloc::vec::Vec<ruffian::ruff::Violation>, anyhow::Error>>
[INFO] [stdout]              at /rustc/33835004928d3bf65db4d4712e1330766263b0bd/library/std/src/panicking.rs:581:40
[INFO] [stdout]    8: __rust_try
[INFO] [stdout]    9: std::panicking::catch_unwind::<core::result::Result<alloc::vec::Vec<ruffian::ruff::Violation>, anyhow::Error>, core::panic::unwind_safe::AssertUnwindSafe<std::thread::lifecycle::spawn_unchecked<ruffian::runner::run_check::{closure#1}, core::result::Result<alloc::vec::Vec<ruffian::ruff::Violation>, anyhow::Error>>::{closure#1}::{closure#0}>>
[INFO] [stdout]              at /rustc/33835004928d3bf65db4d4712e1330766263b0bd/library/std/src/panicking.rs:544:19
[INFO] [stdout]   10: std::panic::catch_unwind::<core::panic::unwind_safe::AssertUnwindSafe<std::thread::lifecycle::spawn_unchecked<ruffian::runner::run_check::{closure#1}, core::result::Result<alloc::vec::Vec<ruffian::ruff::Violation>, anyhow::Error>>::{closure#1}::{closure#0}>, core::result::Result<alloc::vec::Vec<ruffian::ruff::Violation>, anyhow::Error>>
[INFO] [stdout]              at /rustc/33835004928d3bf65db4d4712e1330766263b0bd/library/std/src/panic.rs:359:14
[INFO] [stdout]   11: std::thread::lifecycle::spawn_unchecked::<ruffian::runner::run_check::{closure#1}, core::result::Result<alloc::vec::Vec<ruffian::ruff::Violation>, anyhow::Error>>::{closure#1}
[INFO] [stdout]              at /rustc/33835004928d3bf65db4d4712e1330766263b0bd/library/std/src/thread/lifecycle.rs:68:26
[INFO] [stdout]   12: <std::thread::lifecycle::spawn_unchecked<ruffian::runner::run_check::{closure#1}, core::result::Result<alloc::vec::Vec<ruffian::ruff::Violation>, anyhow::Error>>::{closure#1} as core::ops::function::FnOnce<()>>::call_once::{shim:vtable#0}
[INFO] [stdout]              at /rustc/33835004928d3bf65db4d4712e1330766263b0bd/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   13: <alloc::boxed::Box<dyn core::ops::function::FnOnce<(), Output = ()> + core::marker::Send> as core::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]              at /rustc/33835004928d3bf65db4d4712e1330766263b0bd/library/alloc/src/boxed.rs:2271:9
[INFO] [stdout]   14: <std::sys::thread::unix::Thread>::new::thread_start
[INFO] [stdout]              at /rustc/33835004928d3bf65db4d4712e1330766263b0bd/library/std/src/sys/thread/unix.rs:118:17
[INFO] [stdout]   15: <unknown>
[INFO] [stdout]   16: clone
[INFO] [stdout] ```
[INFO] [stdout] ```
[INFO] [stdout] command=`cd "/tmp/.tmpGjPP7S" && "/opt/rustwide/target/debug/ruffian" "check" "/tmp/.tmpGjPP7S/a.py"`
[INFO] [stdout] code=1
[INFO] [stdout] stdout=""
[INFO] [stdout] stderr=```
[INFO] [stdout] Error: failed to spawn ruff — is it installed and on PATH?
[INFO] [stdout] 
[INFO] [stdout] Caused by:
[INFO] [stdout]     No such file or directory (os error 2)
[INFO] [stdout] 
[INFO] [stdout] Stack backtrace:
[INFO] [stdout]    0: <std::io::error::Error as anyhow::context::ext::StdError>::ext_context::<&str>
[INFO] [stdout]              at /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/anyhow-1.0.102/src/backtrace.rs:10:14
[INFO] [stdout]    1: <core::result::Result<std::process::Output, std::io::error::Error> as anyhow::Context<std::process::Output, std::io::error::Error>>::context::<&str>
[INFO] [stdout]              at /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/anyhow-1.0.102/src/context.rs:54:37
[INFO] [stdout]    2: ruffian::ruff::check
[INFO] [stdout]              at /opt/rustwide/workdir/src/ruff.rs:34:10
[INFO] [stdout]    3: ruffian::runner::run_check::{closure#1}
[INFO] [stdout]              at /opt/rustwide/workdir/src/runner.rs:44:9
[INFO] [stdout]    4: std::sys::backtrace::__rust_begin_short_backtrace::<ruffian::runner::run_check::{closure#1}, core::result::Result<alloc::vec::Vec<ruffian::ruff::Violation>, anyhow::Error>>
[INFO] [stdout]              at /rustc/33835004928d3bf65db4d4712e1330766263b0bd/library/std/src/sys/backtrace.rs:166:18
[INFO] [stdout]    5: std::thread::lifecycle::spawn_unchecked::<ruffian::runner::run_check::{closure#1}, core::result::Result<alloc::vec::Vec<ruffian::ruff::Violation>, anyhow::Error>>::{closure#1}::{closure#0}
[INFO] [stdout]              at /rustc/33835004928d3bf65db4d4712e1330766263b0bd/library/std/src/thread/lifecycle.rs:70:13
[INFO] [stdout]    6: <core::panic::unwind_safe::AssertUnwindSafe<std::thread::lifecycle::spawn_unchecked<ruffian::runner::run_check::{closure#1}, core::result::Result<alloc::vec::Vec<ruffian::ruff::Violation>, anyhow::Error>>::{closure#1}::{closure#0}> as core::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]              at /rustc/33835004928d3bf65db4d4712e1330766263b0bd/library/core/src/panic/unwind_safe.rs:275:9
[INFO] [stdout]    7: std::panicking::catch_unwind::do_call::<core::panic::unwind_safe::AssertUnwindSafe<std::thread::lifecycle::spawn_unchecked<ruffian::runner::run_check::{closure#1}, core::result::Result<alloc::vec::Vec<ruffian::ruff::Violation>, anyhow::Error>>::{closure#1}::{closure#0}>, core::result::Result<alloc::vec::Vec<ruffian::ruff::Violation>, anyhow::Error>>
[INFO] [stdout]              at /rustc/33835004928d3bf65db4d4712e1330766263b0bd/library/std/src/panicking.rs:581:40
[INFO] [stdout]    8: __rust_try
[INFO] [stdout]    9: std::panicking::catch_unwind::<core::result::Result<alloc::vec::Vec<ruffian::ruff::Violation>, anyhow::Error>, core::panic::unwind_safe::AssertUnwindSafe<std::thread::lifecycle::spawn_unchecked<ruffian::runner::run_check::{closure#1}, core::result::Result<alloc::vec::Vec<ruffian::ruff::Violation>, anyhow::Error>>::{closure#1}::{closure#0}>>
[INFO] [stdout]              at /rustc/33835004928d3bf65db4d4712e1330766263b0bd/library/std/src/panicking.rs:544:19
[INFO] [stdout]   10: std::panic::catch_unwind::<core::panic::unwind_safe::AssertUnwindSafe<std::thread::lifecycle::spawn_unchecked<ruffian::runner::run_check::{closure#1}, core::result::Result<alloc::vec::Vec<ruffian::ruff::Violation>, anyhow::Error>>::{closure#1}::{closure#0}>, core::result::Result<alloc::vec::Vec<ruffian::ruff::Violation>, anyhow::Error>>
[INFO] [stdout]              at /rustc/33835004928d3bf65db4d4712e1330766263b0bd/library/std/src/panic.rs:359:14
[INFO] [stdout]   11: std::thread::lifecycle::spawn_unchecked::<ruffian::runner::run_check::{closure#1}, core::result::Result<alloc::vec::Vec<ruffian::ruff::Violation>, anyhow::Error>>::{closure#1}
[INFO] [stdout]              at /rustc/33835004928d3bf65db4d4712e1330766263b0bd/library/std/src/thread/lifecycle.rs:68:26
[INFO] [stdout]   12: <std::thread::lifecycle::spawn_unchecked<ruffian::runner::run_check::{closure#1}, core::result::Result<alloc::vec::Vec<ruffian::ruff::Violation>, anyhow::Error>>::{closure#1} as core::ops::function::FnOnce<()>>::call_once::{shim:vtable#0}
[INFO] [stdout]              at /rustc/33835004928d3bf65db4d4712e1330766263b0bd/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   13: <alloc::boxed::Box<dyn core::ops::function::FnOnce<(), Output = ()> + core::marker::Send> as core::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]              at /rustc/33835004928d3bf65db4d4712e1330766263b0bd/library/alloc/src/boxed.rs:2271:9
[INFO] [stdout]   14: <std::sys::thread::unix::Thread>::new::thread_start
[INFO] [stdout]              at /rustc/33835004928d3bf65db4d4712e1330766263b0bd/library/std/src/sys/thread/unix.rs:118:17
[INFO] [stdout]   15: <unknown>
[INFO] [stdout]   16: clone
[INFO] [stdout] ```
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] stack backtrace:
[INFO] [stdout]    0:     0x65070e02b96a - std[ec419fa8110287d5]::backtrace_rs::backtrace::libunwind::trace
[INFO] [stdout]                                at /rustc/33835004928d3bf65db4d4712e1330766263b0bd/library/std/src/../../backtrace/src/backtrace/libunwind.rs:117:9
[INFO] [stdout]    1:     0x65070e02b96a - std[ec419fa8110287d5]::backtrace_rs::backtrace::trace_unsynchronized::<std[ec419fa8110287d5]::sys::backtrace::_print_fmt::{closure#1}>
[INFO] [stdout]                                at /rustc/33835004928d3bf65db4d4712e1330766263b0bd/library/std/src/../../backtrace/src/backtrace/mod.rs:66:14
[INFO] [stdout]    2:     0x65070e02b96a - std[ec419fa8110287d5]::sys::backtrace::_print_fmt
[INFO] [stdout]                                at /rustc/33835004928d3bf65db4d4712e1330766263b0bd/library/std/src/sys/backtrace.rs:74:9
[INFO] [stdout]    3:     0x65070e02b96a - <<std[ec419fa8110287d5]::sys::backtrace::BacktraceLock>::print::DisplayBacktrace as core[35159d6ffb30e017]::fmt::Display>::fmt
[INFO] [stdout]                                at /rustc/33835004928d3bf65db4d4712e1330766263b0bd/library/std/src/sys/backtrace.rs:44:26
[INFO] [stdout]    4:     0x65070e04218a - <core[35159d6ffb30e017]::fmt::rt::Argument>::fmt
[INFO] [stdout]                                at /rustc/33835004928d3bf65db4d4712e1330766263b0bd/library/core/src/fmt/rt.rs:152:76
[INFO] [stdout]    5:     0x65070e04218a - core[35159d6ffb30e017]::fmt::write
[INFO] [stdout]    6:     0x65070e0316f2 - std[ec419fa8110287d5]::io::default_write_fmt::<alloc[a8a7aba520129d98]::vec::Vec<u8>>
[INFO] [stdout]                                at /rustc/33835004928d3bf65db4d4712e1330766263b0bd/library/std/src/io/mod.rs:621:11
[INFO] [stdout]    7:     0x65070e0316f2 - <alloc[a8a7aba520129d98]::vec::Vec<u8> as std[ec419fa8110287d5]::io::Write>::write_fmt
[INFO] [stdout]                                at /rustc/33835004928d3bf65db4d4712e1330766263b0bd/library/std/src/io/mod.rs:1976:13
[INFO] [stdout]    8:     0x65070e00860f - <std[ec419fa8110287d5]::sys::backtrace::BacktraceLock>::print
[INFO] [stdout]                                at /rustc/33835004928d3bf65db4d4712e1330766263b0bd/library/std/src/sys/backtrace.rs:47:9
[INFO] [stdout]    9:     0x65070e00860f - std[ec419fa8110287d5]::panicking::default_hook::{closure#0}
[INFO] [stdout]                                at /rustc/33835004928d3bf65db4d4712e1330766263b0bd/library/std/src/panicking.rs:292:27
[INFO] [stdout]   10:     0x65070e023149 - std[ec419fa8110287d5]::panicking::default_hook
[INFO] [stdout]                                at /rustc/33835004928d3bf65db4d4712e1330766263b0bd/library/std/src/panicking.rs:316:9
[INFO] [stdout]   11:     0x65070df4552c - <alloc[a8a7aba520129d98]::boxed::Box<dyn for<'a, 'b> core[35159d6ffb30e017]::ops::function::Fn<(&'a std[ec419fa8110287d5]::panic::PanicHookInfo<'b>,), Output = ()> + core[35159d6ffb30e017]::marker::Sync + core[35159d6ffb30e017]::marker::Send> as core[35159d6ffb30e017]::ops::function::Fn<(&std[ec419fa8110287d5]::panic::PanicHookInfo,)>>::call
[INFO] [stdout]                                at /rustc/33835004928d3bf65db4d4712e1330766263b0bd/library/alloc/src/boxed.rs:2285:9
[INFO] [stdout]   12:     0x65070df4552c - test[a8007afcd3effadc]::test_main_inner::<test[a8007afcd3effadc]::test_main_static::{closure#0}>::{closure#0}
[INFO] [stdout]                                at /rustc/33835004928d3bf65db4d4712e1330766263b0bd/library/test/src/lib.rs:155:21
[INFO] [stdout]   13:     0x65070e023302 - <alloc[a8a7aba520129d98]::boxed::Box<dyn for<'a, 'b> core[35159d6ffb30e017]::ops::function::Fn<(&'a std[ec419fa8110287d5]::panic::PanicHookInfo<'b>,), Output = ()> + core[35159d6ffb30e017]::marker::Sync + core[35159d6ffb30e017]::marker::Send> as core[35159d6ffb30e017]::ops::function::Fn<(&std[ec419fa8110287d5]::panic::PanicHookInfo,)>>::call
[INFO] [stdout]                                at /rustc/33835004928d3bf65db4d4712e1330766263b0bd/library/alloc/src/boxed.rs:2285:9
[INFO] [stdout]   14:     0x65070e023302 - std[ec419fa8110287d5]::panicking::panic_with_hook
[INFO] [stdout]                                at /rustc/33835004928d3bf65db4d4712e1330766263b0bd/library/std/src/panicking.rs:833:13
[INFO] [stdout]   15:     0x65070e0086c8 - std[ec419fa8110287d5]::panicking::panic_handler::{closure#0}
[INFO] [stdout]                                at /rustc/33835004928d3bf65db4d4712e1330766263b0bd/library/std/src/panicking.rs:698:13
[INFO] [stdout]   16:     0x65070dfffe39 - std[ec419fa8110287d5]::sys::backtrace::__rust_end_short_backtrace::<std[ec419fa8110287d5]::panicking::panic_handler::{closure#0}, !>
[INFO] [stdout]                                at /rustc/33835004928d3bf65db4d4712e1330766263b0bd/library/std/src/sys/backtrace.rs:182:18
[INFO] [stdout]   17:     0x65070e00946d - __rustc[cfb3622dd870db93]::rust_begin_unwind
[INFO] [stdout]                                at /rustc/33835004928d3bf65db4d4712e1330766263b0bd/library/std/src/panicking.rs:689:5
[INFO] [stdout]   18:     0x65070e04299c - core[35159d6ffb30e017]::panicking::panic_fmt
[INFO] [stdout]                                at /rustc/33835004928d3bf65db4d4712e1330766263b0bd/library/core/src/panicking.rs:80:14
[INFO] [stdout]   19:     0x65070dfb0708 - core[35159d6ffb30e017]::panicking::panic_display::<assert_cmd[35950e0b123f7429]::assert::AssertError>
[INFO] [stdout]                                at /rustc/33835004928d3bf65db4d4712e1330766263b0bd/library/core/src/panicking.rs:259:5
[INFO] [stdout]   20:     0x65070dfae9f7 - <assert_cmd[35950e0b123f7429]::assert::AssertError>::panic::<assert_cmd[35950e0b123f7429]::assert::Assert>
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/assert_cmd-2.2.1/src/assert.rs:1036:9
[INFO] [stdout]   21:     0x65070dfb42b7 - <<assert_cmd[35950e0b123f7429]::assert::AssertError>::panic<assert_cmd[35950e0b123f7429]::assert::Assert> as core[35159d6ffb30e017]::ops::function::FnOnce<(assert_cmd[35950e0b123f7429]::assert::AssertError,)>>::call_once
[INFO] [stdout]                                at /rustc/33835004928d3bf65db4d4712e1330766263b0bd/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   22:     0x65070dfb4634 - <core[35159d6ffb30e017]::result::Result<assert_cmd[35950e0b123f7429]::assert::Assert, assert_cmd[35950e0b123f7429]::assert::AssertError>>::unwrap_or_else::<<assert_cmd[35950e0b123f7429]::assert::AssertError>::panic<assert_cmd[35950e0b123f7429]::assert::Assert>>
[INFO] [stdout]                                at /rustc/33835004928d3bf65db4d4712e1330766263b0bd/library/core/src/result.rs:1622:23
[INFO] [stdout]   23:     0x65070dfb1f90 - <assert_cmd[35950e0b123f7429]::assert::Assert>::success
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/assert_cmd-2.2.1/src/assert.rs:161:28
[INFO] [stdout]   24:     0x65070df32c02 - integration[c26367521ce6f8e0]::plugin_returning_empty_array_exits_zero
[INFO] [stdout]                                at /opt/rustwide/workdir/tests/integration/test_check.rs:208:10
[INFO] [stdout]   25:     0x65070df2dc07 - integration[c26367521ce6f8e0]::plugin_returning_empty_array_exits_zero::{closure#0}
[INFO] [stdout]                                at /opt/rustwide/workdir/tests/integration/test_check.rs:196:45
[INFO] [stdout]   26:     0x65070df38466 - <integration[c26367521ce6f8e0]::plugin_returning_empty_array_exits_zero::{closure#0} as core[35159d6ffb30e017]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]                                at /rustc/33835004928d3bf65db4d4712e1330766263b0bd/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   27:     0x65070df3880b - <fn() -> core[35159d6ffb30e017]::result::Result<(), alloc[a8a7aba520129d98]::string::String> as core[35159d6ffb30e017]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]                                at /rustc/33835004928d3bf65db4d4712e1330766263b0bd/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   28:     0x65070df3880b - test[a8007afcd3effadc]::__rust_begin_short_backtrace::<core[35159d6ffb30e017]::result::Result<(), alloc[a8a7aba520129d98]::string::String>, fn() -> core[35159d6ffb30e017]::result::Result<(), alloc[a8a7aba520129d98]::string::String>>
[INFO] [stdout]                                at /rustc/33835004928d3bf65db4d4712e1330766263b0bd/library/test/src/lib.rs:724:18
[INFO] [stdout]   29:     0x65070df45ffb - test[a8007afcd3effadc]::run_test_in_process::{closure#0}
[INFO] [stdout]                                at /rustc/33835004928d3bf65db4d4712e1330766263b0bd/library/test/src/lib.rs:747:74
[INFO] [stdout]   30:     0x65070df45ffb - <core[35159d6ffb30e017]::panic::unwind_safe::AssertUnwindSafe<test[a8007afcd3effadc]::run_test_in_process::{closure#0}> as core[35159d6ffb30e017]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]                                at /rustc/33835004928d3bf65db4d4712e1330766263b0bd/library/core/src/panic/unwind_safe.rs:275:9
[INFO] [stdout]   31:     0x65070df45ffb - std[ec419fa8110287d5]::panicking::catch_unwind::do_call::<core[35159d6ffb30e017]::panic::unwind_safe::AssertUnwindSafe<test[a8007afcd3effadc]::run_test_in_process::{closure#0}>, core[35159d6ffb30e017]::result::Result<(), alloc[a8a7aba520129d98]::string::String>>
[INFO] [stdout]                                at /rustc/33835004928d3bf65db4d4712e1330766263b0bd/library/std/src/panicking.rs:581:40
[INFO] [stdout]   32:     0x65070df45ffb - std[ec419fa8110287d5]::panicking::catch_unwind::<core[35159d6ffb30e017]::result::Result<(), alloc[a8a7aba520129d98]::string::String>, core[35159d6ffb30e017]::panic::unwind_safe::AssertUnwindSafe<test[a8007afcd3effadc]::run_test_in_process::{closure#0}>>
[INFO] [stdout]                                at /rustc/33835004928d3bf65db4d4712e1330766263b0bd/library/std/src/panicking.rs:544:19
[INFO] [stdout]   33:     0x65070df45ffb - std[ec419fa8110287d5]::panic::catch_unwind::<core[35159d6ffb30e017]::panic::unwind_safe::AssertUnwindSafe<test[a8007afcd3effadc]::run_test_in_process::{closure#0}>, core[35159d6ffb30e017]::result::Result<(), alloc[a8a7aba520129d98]::string::String>>
[INFO] [stdout]                                at /rustc/33835004928d3bf65db4d4712e1330766263b0bd/library/std/src/panic.rs:359:14
[INFO] [stdout]   34:     0x65070df45ffb - test[a8007afcd3effadc]::run_test_in_process
[INFO] [stdout]                                at /rustc/33835004928d3bf65db4d4712e1330766263b0bd/library/test/src/lib.rs:747:27
[INFO] [stdout]   35:     0x65070df45ffb - test[a8007afcd3effadc]::run_test::{closure#0}
[INFO] [stdout]                                at /rustc/33835004928d3bf65db4d4712e1330766263b0bd/library/test/src/lib.rs:668:43
[INFO] [stdout]   36:     0x65070df409d4 - test[a8007afcd3effadc]::run_test::{closure#1}
[INFO] [stdout]                                at /rustc/33835004928d3bf65db4d4712e1330766263b0bd/library/test/src/lib.rs:698:41
[INFO] [stdout]   37:     0x65070df409d4 - std[ec419fa8110287d5]::sys::backtrace::__rust_begin_short_backtrace::<test[a8007afcd3effadc]::run_test::{closure#1}, ()>
[INFO] [stdout]                                at /rustc/33835004928d3bf65db4d4712e1330766263b0bd/library/std/src/sys/backtrace.rs:166:18
[INFO] [stdout]   38:     0x65070df48c02 - std[ec419fa8110287d5]::thread::lifecycle::spawn_unchecked::<test[a8007afcd3effadc]::run_test::{closure#1}, ()>::{closure#1}::{closure#0}
[INFO] [stdout]                                at /rustc/33835004928d3bf65db4d4712e1330766263b0bd/library/std/src/thread/lifecycle.rs:70:13
[INFO] [stdout]   39:     0x65070df48c02 - <core[35159d6ffb30e017]::panic::unwind_safe::AssertUnwindSafe<std[ec419fa8110287d5]::thread::lifecycle::spawn_unchecked<test[a8007afcd3effadc]::run_test::{closure#1}, ()>::{closure#1}::{closure#0}> as core[35159d6ffb30e017]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]                                at /rustc/33835004928d3bf65db4d4712e1330766263b0bd/library/core/src/panic/unwind_safe.rs:275:9
[INFO] [stdout]   40:     0x65070df48c02 - std[ec419fa8110287d5]::panicking::catch_unwind::do_call::<core[35159d6ffb30e017]::panic::unwind_safe::AssertUnwindSafe<std[ec419fa8110287d5]::thread::lifecycle::spawn_unchecked<test[a8007afcd3effadc]::run_test::{closure#1}, ()>::{closure#1}::{closure#0}>, ()>
[INFO] [stdout]                                at /rustc/33835004928d3bf65db4d4712e1330766263b0bd/library/std/src/panicking.rs:581:40
[INFO] [stdout]   41:     0x65070df48c02 - std[ec419fa8110287d5]::panicking::catch_unwind::<(), core[35159d6ffb30e017]::panic::unwind_safe::AssertUnwindSafe<std[ec419fa8110287d5]::thread::lifecycle::spawn_unchecked<test[a8007afcd3effadc]::run_test::{closure#1}, ()>::{closure#1}::{closure#0}>>
[INFO] [stdout]                                at /rustc/33835004928d3bf65db4d4712e1330766263b0bd/library/std/src/panicking.rs:544:19
[INFO] [stdout]   42:     0x65070df48c02 - std[ec419fa8110287d5]::panic::catch_unwind::<core[35159d6ffb30e017]::panic::unwind_safe::AssertUnwindSafe<std[ec419fa8110287d5]::thread::lifecycle::spawn_unchecked<test[a8007afcd3effadc]::run_test::{closure#1}, ()>::{closure#1}::{closure#0}>, ()>
[INFO] [stdout]                                at /rustc/33835004928d3bf65db4d4712e1330766263b0bd/library/std/src/panic.rs:359:14
[INFO] [stdout]   43:     0x65070df48c02 - std[ec419fa8110287d5]::thread::lifecycle::spawn_unchecked::<test[a8007afcd3effadc]::run_test::{closure#1}, ()>::{closure#1}
[INFO] [stdout]                                at /rustc/33835004928d3bf65db4d4712e1330766263b0bd/library/std/src/thread/lifecycle.rs:68:26
[INFO] [stdout]   44:     0x65070df48c02 - <std[ec419fa8110287d5]::thread::lifecycle::spawn_unchecked<test[a8007afcd3effadc]::run_test::{closure#1}, ()>::{closure#1} as core[35159d6ffb30e017]::ops::function::FnOnce<()>>::call_once::{shim:vtable#0}
[INFO] [stdout]                                at /rustc/33835004928d3bf65db4d4712e1330766263b0bd/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   45:     0x65070e02acdf - <alloc[a8a7aba520129d98]::boxed::Box<dyn core[35159d6ffb30e017]::ops::function::FnOnce<(), Output = ()> + core[35159d6ffb30e017]::marker::Send> as core[35159d6ffb30e017]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]                                at /rustc/33835004928d3bf65db4d4712e1330766263b0bd/library/alloc/src/boxed.rs:2271:9
[INFO] [stdout]   46:     0x65070e02acdf - <std[ec419fa8110287d5]::sys::thread::unix::Thread>::new::thread_start
[INFO] [stdout]                                at /rustc/33835004928d3bf65db4d4712e1330766263b0bd/library/std/src/sys/thread/unix.rs:118:17
[INFO] [stdout]   47:     0x79f6b45d8aa4 - <unknown>
[INFO] [stdout]   48:     0x79f6b4665a64 - clone
[INFO] [stdout]   49:                0x0 - <unknown>
[INFO] [stdout] 
[INFO] [stdout] ---- plugin_invalid_json_does_not_count_as_lint_failure stdout ----
[INFO] [stdout] 
[INFO] [stdout] thread 'plugin_invalid_json_does_not_count_as_lint_failure' (372) panicked at /rustc/33835004928d3bf65db4d4712e1330766263b0bd/library/core/src/ops/function.rs:250:5:
[INFO] [stdout] Unexpected failure.
[INFO] [stdout] code=1
[INFO] [stdout] stderr=``````
[INFO] [stdout] Error: failed to spawn ruff — is it installed and on PATH?
[INFO] [stdout] 
[INFO] [stdout] Caused by:
[INFO] [stdout]     No such file or directory (os error 2)
[INFO] [stdout] 
[INFO] [stdout] Stack backtrace:
[INFO] [stdout]    0: <std::io::error::Error as anyhow::context::ext::StdError>::ext_context::<&str>
[INFO] [stdout]              at /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/anyhow-1.0.102/src/backtrace.rs:10:14
[INFO] [stdout]    1: <core::result::Result<std::process::Output, std::io::error::Error> as anyhow::Context<std::process::Output, std::io::error::Error>>::context::<&str>
[INFO] [stdout]              at /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/anyhow-1.0.102/src/context.rs:54:37
[INFO] [stdout]    2: ruffian::ruff::check
[INFO] [stdout]              at /opt/rustwide/workdir/src/ruff.rs:34:10
[INFO] [stdout]    3: ruffian::runner::run_check::{closure#1}
[INFO] [stdout]              at /opt/rustwide/workdir/src/runner.rs:44:9
[INFO] [stdout]    4: std::sys::backtrace::__rust_begin_short_backtrace::<ruffian::runner::run_check::{closure#1}, core::result::Result<alloc::vec::Vec<ruffian::ruff::Violation>, anyhow::Error>>
[INFO] [stdout]              at /rustc/33835004928d3bf65db4d4712e1330766263b0bd/library/std/src/sys/backtrace.rs:166:18
[INFO] [stdout]    5: std::thread::lifecycle::spawn_unchecked::<ruffian::runner::run_check::{closure#1}, core::result::Result<alloc::vec::Vec<ruffian::ruff::Violation>, anyhow::Error>>::{closure#1}::{closure#0}
[INFO] [stdout]              at /rustc/33835004928d3bf65db4d4712e1330766263b0bd/library/std/src/thread/lifecycle.rs:70:13
[INFO] [stdout]    6: <core::panic::unwind_safe::AssertUnwindSafe<std::thread::lifecycle::spawn_unchecked<ruffian::runner::run_check::{closure#1}, core::result::Result<alloc::vec::Vec<ruffian::ruff::Violation>, anyhow::Error>>::{closure#1}::{closure#0}> as core::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]              at /rustc/33835004928d3bf65db4d4712e1330766263b0bd/library/core/src/panic/unwind_safe.rs:275:9
[INFO] [stdout]    7: std::panicking::catch_unwind::do_call::<core::panic::unwind_safe::AssertUnwindSafe<std::thread::lifecycle::spawn_unchecked<ruffian::runner::run_check::{closure#1}, core::result::Result<alloc::vec::Vec<ruffian::ruff::Violation>, anyhow::Error>>::{closure#1}::{closure#0}>, core::result::Result<alloc::vec::Vec<ruffian::ruff::Violation>, anyhow::Error>>
[INFO] [stdout]              at /rustc/33835004928d3bf65db4d4712e1330766263b0bd/library/std/src/panicking.rs:581:40
[INFO] [stdout]    8: __rust_try
[INFO] [stdout]    9: std::panicking::catch_unwind::<core::result::Result<alloc::vec::Vec<ruffian::ruff::Violation>, anyhow::Error>, core::panic::unwind_safe::AssertUnwindSafe<std::thread::lifecycle::spawn_unchecked<ruffian::runner::run_check::{closure#1}, core::result::Result<alloc::vec::Vec<ruffian::ruff::Violation>, anyhow::Error>>::{closure#1}::{closure#0}>>
[INFO] [stdout]              at /rustc/33835004928d3bf65db4d4712e1330766263b0bd/library/std/src/panicking.rs:544:19
[INFO] [stdout]   10: std::panic::catch_unwind::<core::panic::unwind_safe::AssertUnwindSafe<std::thread::lifecycle::spawn_unchecked<ruffian::runner::run_check::{closure#1}, core::result::Result<alloc::vec::Vec<ruffian::ruff::Violation>, anyhow::Error>>::{closure#1}::{closure#0}>, core::result::Result<alloc::vec::Vec<ruffian::ruff::Violation>, anyhow::Error>>
[INFO] [stdout]              at /rustc/33835004928d3bf65db4d4712e1330766263b0bd/library/std/src/panic.rs:359:14
[INFO] [stdout]   11: std::thread::lifecycle::spawn_unchecked::<ruffian::runner::run_check::{closure#1}, core::result::Result<alloc::vec::Vec<ruffian::ruff::Violation>, anyhow::Error>>::{closure#1}
[INFO] [stdout]              at /rustc/33835004928d3bf65db4d4712e1330766263b0bd/library/std/src/thread/lifecycle.rs:68:26
[INFO] [stdout]   12: <std::thread::lifecycle::spawn_unchecked<ruffian::runner::run_check::{closure#1}, core::result::Result<alloc::vec::Vec<ruffian::ruff::Violation>, anyhow::Error>>::{closure#1} as core::ops::function::FnOnce<()>>::call_once::{shim:vtable#0}
[INFO] [stdout]              at /rustc/33835004928d3bf65db4d4712e1330766263b0bd/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   13: <alloc::boxed::Box<dyn core::ops::function::FnOnce<(), Output = ()> + core::marker::Send> as core::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]              at /rustc/33835004928d3bf65db4d4712e1330766263b0bd/library/alloc/src/boxed.rs:2271:9
[INFO] [stdout]   14: <std::sys::thread::unix::Thread>::new::thread_start
[INFO] [stdout]              at /rustc/33835004928d3bf65db4d4712e1330766263b0bd/library/std/src/sys/thread/unix.rs:118:17
[INFO] [stdout]   15: <unknown>
[INFO] [stdout]   16: clone
[INFO] [stdout] error: plugin \'test-plugin\' produced invalid JSON
[INFO] [stdout] ```
[INFO] [stdout] ```
[INFO] [stdout] command=`cd "/tmp/.tmpS0GAxG" && "/opt/rustwide/target/debug/ruffian" "check" "/tmp/.tmpS0GAxG/a.py"`
[INFO] [stdout] code=1
[INFO] [stdout] stdout=""
[INFO] [stdout] stderr=```
[INFO] [stdout] Error: failed to spawn ruff — is it installed and on PATH?
[INFO] [stdout] 
[INFO] [stdout] Caused by:
[INFO] [stdout]     No such file or directory (os error 2)
[INFO] [stdout] 
[INFO] [stdout] Stack backtrace:
[INFO] [stdout]    0: <std::io::error::Error as anyhow::context::ext::StdError>::ext_context::<&str>
[INFO] [stdout]              at /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/anyhow-1.0.102/src/backtrace.rs:10:14
[INFO] [stdout]    1: <core::result::Result<std::process::Output, std::io::error::Error> as anyhow::Context<std::process::Output, std::io::error::Error>>::context::<&str>
[INFO] [stdout]              at /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/anyhow-1.0.102/src/context.rs:54:37
[INFO] [stdout]    2: ruffian::ruff::check
[INFO] [stdout]              at /opt/rustwide/workdir/src/ruff.rs:34:10
[INFO] [stdout]    3: ruffian::runner::run_check::{closure#1}
[INFO] [stdout]              at /opt/rustwide/workdir/src/runner.rs:44:9
[INFO] [stdout]    4: std::sys::backtrace::__rust_begin_short_backtrace::<ruffian::runner::run_check::{closure#1}, core::result::Result<alloc::vec::Vec<ruffian::ruff::Violation>, anyhow::Error>>
[INFO] [stdout]              at /rustc/33835004928d3bf65db4d4712e1330766263b0bd/library/std/src/sys/backtrace.rs:166:18
[INFO] [stdout]    5: std::thread::lifecycle::spawn_unchecked::<ruffian::runner::run_check::{closure#1}, core::result::Result<alloc::vec::Vec<ruffian::ruff::Violation>, anyhow::Error>>::{closure#1}::{closure#0}
[INFO] [stdout]              at /rustc/33835004928d3bf65db4d4712e1330766263b0bd/library/std/src/thread/lifecycle.rs:70:13
[INFO] [stdout]    6: <core::panic::unwind_safe::AssertUnwindSafe<std::thread::lifecycle::spawn_unchecked<ruffian::runner::run_check::{closure#1}, core::result::Result<alloc::vec::Vec<ruffian::ruff::Violation>, anyhow::Error>>::{closure#1}::{closure#0}> as core::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]              at /rustc/33835004928d3bf65db4d4712e1330766263b0bd/library/core/src/panic/unwind_safe.rs:275:9
[INFO] [stdout]    7: std::panicking::catch_unwind::do_call::<core::panic::unwind_safe::AssertUnwindSafe<std::thread::lifecycle::spawn_unchecked<ruffian::runner::run_check::{closure#1}, core::result::Result<alloc::vec::Vec<ruffian::ruff::Violation>, anyhow::Error>>::{closure#1}::{closure#0}>, core::result::Result<alloc::vec::Vec<ruffian::ruff::Violation>, anyhow::Error>>
[INFO] [stdout]              at /rustc/33835004928d3bf65db4d4712e1330766263b0bd/library/std/src/panicking.rs:581:40
[INFO] [stdout]    8: __rust_try
[INFO] [stdout]    9: std::panicking::catch_unwind::<core::result::Result<alloc::vec::Vec<ruffian::ruff::Violation>, anyhow::Error>, core::panic::unwind_safe::AssertUnwindSafe<std::thread::lifecycle::spawn_unchecked<ruffian::runner::run_check::{closure#1}, core::result::Result<alloc::vec::Vec<ruffian::ruff::Violation>, anyhow::Error>>::{closure#1}::{closure#0}>>
[INFO] [stdout]              at /rustc/33835004928d3bf65db4d4712e1330766263b0bd/library/std/src/panicking.rs:544:19
[INFO] [stdout]   10: std::panic::catch_unwind::<core::panic::unwind_safe::AssertUnwindSafe<std::thread::lifecycle::spawn_unchecked<ruffian::runner::run_check::{closure#1}, core::result::Result<alloc::vec::Vec<ruffian::ruff::Violation>, anyhow::Error>>::{closure#1}::{closure#0}>, core::result::Result<alloc::vec::Vec<ruffian::ruff::Violation>, anyhow::Error>>
[INFO] [stdout]              at /rustc/33835004928d3bf65db4d4712e1330766263b0bd/library/std/src/panic.rs:359:14
[INFO] [stdout]   11: std::thread::lifecycle::spawn_unchecked::<ruffian::runner::run_check::{closure#1}, core::result::Result<alloc::vec::Vec<ruffian::ruff::Violation>, anyhow::Error>>::{closure#1}
[INFO] [stdout]              at /rustc/33835004928d3bf65db4d4712e1330766263b0bd/library/std/src/thread/lifecycle.rs:68:26
[INFO] [stdout]   12: <std::thread::lifecycle::spawn_unchecked<ruffian::runner::run_check::{closure#1}, core::result::Result<alloc::vec::Vec<ruffian::ruff::Violation>, anyhow::Error>>::{closure#1} as core::ops::function::FnOnce<()>>::call_once::{shim:vtable#0}
[INFO] [stdout]              at /rustc/33835004928d3bf65db4d4712e1330766263b0bd/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   13: <alloc::boxed::Box<dyn core::ops::function::FnOnce<(), Output = ()> + core::marker::Send> as core::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]              at /rustc/33835004928d3bf65db4d4712e1330766263b0bd/library/alloc/src/boxed.rs:2271:9
[INFO] [stdout]   14: <std::sys::thread::unix::Thread>::new::thread_start
[INFO] [stdout]              at /rustc/33835004928d3bf65db4d4712e1330766263b0bd/library/std/src/sys/thread/unix.rs:118:17
[INFO] [stdout]   15: <unknown>
[INFO] [stdout]   16: clone
[INFO] [stdout] error: plugin \'test-plugin\' produced invalid JSON
[INFO] [stdout] ```
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] stack backtrace:
[INFO] [stdout]    0:     0x65070e02b96a - std[ec419fa8110287d5]::backtrace_rs::backtrace::libunwind::trace
[INFO] [stdout]                                at /rustc/33835004928d3bf65db4d4712e1330766263b0bd/library/std/src/../../backtrace/src/backtrace/libunwind.rs:117:9
[INFO] [stdout]    1:     0x65070e02b96a - std[ec419fa8110287d5]::backtrace_rs::backtrace::trace_unsynchronized::<std[ec419fa8110287d5]::sys::backtrace::_print_fmt::{closure#1}>
[INFO] [stdout]                                at /rustc/33835004928d3bf65db4d4712e1330766263b0bd/library/std/src/../../backtrace/src/backtrace/mod.rs:66:14
[INFO] [stdout]    2:     0x65070e02b96a - std[ec419fa8110287d5]::sys::backtrace::_print_fmt
[INFO] [stdout]                                at /rustc/33835004928d3bf65db4d4712e1330766263b0bd/library/std/src/sys/backtrace.rs:74:9
[INFO] [stdout]    3:     0x65070e02b96a - <<std[ec419fa8110287d5]::sys::backtrace::BacktraceLock>::print::DisplayBacktrace as core[35159d6ffb30e017]::fmt::Display>::fmt
[INFO] [stdout]                                at /rustc/33835004928d3bf65db4d4712e1330766263b0bd/library/std/src/sys/backtrace.rs:44:26
[INFO] [stdout]    4:     0x65070e04218a - <core[35159d6ffb30e017]::fmt::rt::Argument>::fmt
[INFO] [stdout]                                at /rustc/33835004928d3bf65db4d4712e1330766263b0bd/library/core/src/fmt/rt.rs:152:76
[INFO] [stdout]    5:     0x65070e04218a - core[35159d6ffb30e017]::fmt::write
[INFO] [stdout]    6:     0x65070e0316f2 - std[ec419fa8110287d5]::io::default_write_fmt::<alloc[a8a7aba520129d98]::vec::Vec<u8>>
[INFO] [stdout]                                at /rustc/33835004928d3bf65db4d4712e1330766263b0bd/library/std/src/io/mod.rs:621:11
[INFO] [stdout]    7:     0x65070e0316f2 - <alloc[a8a7aba520129d98]::vec::Vec<u8> as std[ec419fa8110287d5]::io::Write>::write_fmt
[INFO] [stdout]                                at /rustc/33835004928d3bf65db4d4712e1330766263b0bd/library/std/src/io/mod.rs:1976:13
[INFO] [stdout]    8:     0x65070e00860f - <std[ec419fa8110287d5]::sys::backtrace::BacktraceLock>::print
[INFO] [stdout]                                at /rustc/33835004928d3bf65db4d4712e1330766263b0bd/library/std/src/sys/backtrace.rs:47:9
[INFO] [stdout]    9:     0x65070e00860f - std[ec419fa8110287d5]::panicking::default_hook::{closure#0}
[INFO] [stdout]                                at /rustc/33835004928d3bf65db4d4712e1330766263b0bd/library/std/src/panicking.rs:292:27
[INFO] [stdout]   10:     0x65070e023149 - std[ec419fa8110287d5]::panicking::default_hook
[INFO] [stdout]                                at /rustc/33835004928d3bf65db4d4712e1330766263b0bd/library/std/src/panicking.rs:316:9
[INFO] [stdout]   11:     0x65070df4552c - <alloc[a8a7aba520129d98]::boxed::Box<dyn for<'a, 'b> core[35159d6ffb30e017]::ops::function::Fn<(&'a std[ec419fa8110287d5]::panic::PanicHookInfo<'b>,), Output = ()> + core[35159d6ffb30e017]::marker::Sync + core[35159d6ffb30e017]::marker::Send> as core[35159d6ffb30e017]::ops::function::Fn<(&std[ec419fa8110287d5]::panic::PanicHookInfo,)>>::call
[INFO] [stdout]                                at /rustc/33835004928d3bf65db4d4712e1330766263b0bd/library/alloc/src/boxed.rs:2285:9
[INFO] [stdout]   12:     0x65070df4552c - test[a8007afcd3effadc]::test_main_inner::<test[a8007afcd3effadc]::test_main_static::{closure#0}>::{closure#0}
[INFO] [stdout]                                at /rustc/33835004928d3bf65db4d4712e1330766263b0bd/library/test/src/lib.rs:155:21
[INFO] [stdout]   13:     0x65070e023302 - <alloc[a8a7aba520129d98]::boxed::Box<dyn for<'a, 'b> core[35159d6ffb30e017]::ops::function::Fn<(&'a std[ec419fa8110287d5]::panic::PanicHookInfo<'b>,), Output = ()> + core[35159d6ffb30e017]::marker::Sync + core[35159d6ffb30e017]::marker::Send> as core[35159d6ffb30e017]::ops::function::Fn<(&std[ec419fa8110287d5]::panic::PanicHookInfo,)>>::call
[INFO] [stdout]                                at /rustc/33835004928d3bf65db4d4712e1330766263b0bd/library/alloc/src/boxed.rs:2285:9
[INFO] [stdout]   14:     0x65070e023302 - std[ec419fa8110287d5]::panicking::panic_with_hook
[INFO] [stdout]                                at /rustc/33835004928d3bf65db4d4712e1330766263b0bd/library/std/src/panicking.rs:833:13
[INFO] [stdout]   15:     0x65070e0086c8 - std[ec419fa8110287d5]::panicking::panic_handler::{closure#0}
[INFO] [stdout]                                at /rustc/33835004928d3bf65db4d4712e1330766263b0bd/library/std/src/panicking.rs:698:13
[INFO] [stdout]   16:     0x65070dfffe39 - std[ec419fa8110287d5]::sys::backtrace::__rust_end_short_backtrace::<std[ec419fa8110287d5]::panicking::panic_handler::{closure#0}, !>
[INFO] [stdout]                                at /rustc/33835004928d3bf65db4d4712e1330766263b0bd/library/std/src/sys/backtrace.rs:182:18
[INFO] [stdout]   17:     0x65070e00946d - __rustc[cfb3622dd870db93]::rust_begin_unwind
[INFO] [stdout]                                at /rustc/33835004928d3bf65db4d4712e1330766263b0bd/library/std/src/panicking.rs:689:5
[INFO] [stdout]   18:     0x65070e04299c - core[35159d6ffb30e017]::panicking::panic_fmt
[INFO] [stdout]                                at /rustc/33835004928d3bf65db4d4712e1330766263b0bd/library/core/src/panicking.rs:80:14
[INFO] [stdout]   19:     0x65070dfb0708 - core[35159d6ffb30e017]::panicking::panic_display::<assert_cmd[35950e0b123f7429]::assert::AssertError>
[INFO] [stdout]                                at /rustc/33835004928d3bf65db4d4712e1330766263b0bd/library/core/src/panicking.rs:259:5
[INFO] [stdout]   20:     0x65070dfae9f7 - <assert_cmd[35950e0b123f7429]::assert::AssertError>::panic::<assert_cmd[35950e0b123f7429]::assert::Assert>
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/assert_cmd-2.2.1/src/assert.rs:1036:9
[INFO] [stdout]   21:     0x65070dfb42b7 - <<assert_cmd[35950e0b123f7429]::assert::AssertError>::panic<assert_cmd[35950e0b123f7429]::assert::Assert> as core[35159d6ffb30e017]::ops::function::FnOnce<(assert_cmd[35950e0b123f7429]::assert::AssertError,)>>::call_once
[INFO] [stdout]                                at /rustc/33835004928d3bf65db4d4712e1330766263b0bd/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   22:     0x65070dfb4634 - <core[35159d6ffb30e017]::result::Result<assert_cmd[35950e0b123f7429]::assert::Assert, assert_cmd[35950e0b123f7429]::assert::AssertError>>::unwrap_or_else::<<assert_cmd[35950e0b123f7429]::assert::AssertError>::panic<assert_cmd[35950e0b123f7429]::assert::Assert>>
[INFO] [stdout]                                at /rustc/33835004928d3bf65db4d4712e1330766263b0bd/library/core/src/result.rs:1622:23
[INFO] [stdout]   23:     0x65070dfb1f90 - <assert_cmd[35950e0b123f7429]::assert::Assert>::success
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/assert_cmd-2.2.1/src/assert.rs:161:28
[INFO] [stdout]   24:     0x65070df36494 - integration[c26367521ce6f8e0]::plugin_invalid_json_does_not_count_as_lint_failure
[INFO] [stdout]                                at /opt/rustwide/workdir/tests/integration/test_check.rs:476:10
[INFO] [stdout]   25:     0x65070df2ddb7 - integration[c26367521ce6f8e0]::plugin_invalid_json_does_not_count_as_lint_failure::{closure#0}
[INFO] [stdout]                                at /opt/rustwide/workdir/tests/integration/test_check.rs:464:56
[INFO] [stdout]   26:     0x65070df386a6 - <integration[c26367521ce6f8e0]::plugin_invalid_json_does_not_count_as_lint_failure::{closure#0} as core[35159d6ffb30e017]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]                                at /rustc/33835004928d3bf65db4d4712e1330766263b0bd/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   27:     0x65070df3880b - <fn() -> core[35159d6ffb30e017]::result::Result<(), alloc[a8a7aba520129d98]::string::String> as core[35159d6ffb30e017]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]                                at /rustc/33835004928d3bf65db4d4712e1330766263b0bd/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   28:     0x65070df3880b - test[a8007afcd3effadc]::__rust_begin_short_backtrace::<core[35159d6ffb30e017]::result::Result<(), alloc[a8a7aba520129d98]::string::String>, fn() -> core[35159d6ffb30e017]::result::Result<(), alloc[a8a7aba520129d98]::string::String>>
[INFO] [stdout]                                at /rustc/33835004928d3bf65db4d4712e1330766263b0bd/library/test/src/lib.rs:724:18
[INFO] [stdout]   29:     0x65070df45ffb - test[a8007afcd3effadc]::run_test_in_process::{closure#0}
[INFO] [stdout]                                at /rustc/33835004928d3bf65db4d4712e1330766263b0bd/library/test/src/lib.rs:747:74
[INFO] [stdout]   30:     0x65070df45ffb - <core[35159d6ffb30e017]::panic::unwind_safe::AssertUnwindSafe<test[a8007afcd3effadc]::run_test_in_process::{closure#0}> as core[35159d6ffb30e017]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]                                at /rustc/33835004928d3bf65db4d4712e1330766263b0bd/library/core/src/panic/unwind_safe.rs:275:9
[INFO] [stdout]   31:     0x65070df45ffb - std[ec419fa8110287d5]::panicking::catch_unwind::do_call::<core[35159d6ffb30e017]::panic::unwind_safe::AssertUnwindSafe<test[a8007afcd3effadc]::run_test_in_process::{closure#0}>, core[35159d6ffb30e017]::result::Result<(), alloc[a8a7aba520129d98]::string::String>>
[INFO] [stdout]                                at /rustc/33835004928d3bf65db4d4712e1330766263b0bd/library/std/src/panicking.rs:581:40
[INFO] [stdout]   32:     0x65070df45ffb - std[ec419fa8110287d5]::panicking::catch_unwind::<core[35159d6ffb30e017]::result::Result<(), alloc[a8a7aba520129d98]::string::String>, core[35159d6ffb30e017]::panic::unwind_safe::AssertUnwindSafe<test[a8007afcd3effadc]::run_test_in_process::{closure#0}>>
[INFO] [stdout]                                at /rustc/33835004928d3bf65db4d4712e1330766263b0bd/library/std/src/panicking.rs:544:19
[INFO] [stdout]   33:     0x65070df45ffb - std[ec419fa8110287d5]::panic::catch_unwind::<core[35159d6ffb30e017]::panic::unwind_safe::AssertUnwindSafe<test[a8007afcd3effadc]::run_test_in_process::{closure#0}>, core[35159d6ffb30e017]::result::Result<(), alloc[a8a7aba520129d98]::string::String>>
[INFO] [stdout]                                at /rustc/33835004928d3bf65db4d4712e1330766263b0bd/library/std/src/panic.rs:359:14
[INFO] [stdout]   34:     0x65070df45ffb - test[a8007afcd3effadc]::run_test_in_process
[INFO] [stdout]                                at /rustc/33835004928d3bf65db4d4712e1330766263b0bd/library/test/src/lib.rs:747:27
[INFO] [stdout]   35:     0x65070df45ffb - test[a8007afcd3effadc]::run_test::{closure#0}
[INFO] [stdout]                                at /rustc/33835004928d3bf65db4d4712e1330766263b0bd/library/test/src/lib.rs:668:43
[INFO] [stdout]   36:     0x65070df409d4 - test[a8007afcd3effadc]::run_test::{closure#1}
[INFO] [stdout]                                at /rustc/33835004928d3bf65db4d4712e1330766263b0bd/library/test/src/lib.rs:698:41
[INFO] [stdout]   37:     0x65070df409d4 - std[ec419fa8110287d5]::sys::backtrace::__rust_begin_short_backtrace::<test[a8007afcd3effadc]::run_test::{closure#1}, ()>
[INFO] [stdout]                                at /rustc/33835004928d3bf65db4d4712e1330766263b0bd/library/std/src/sys/backtrace.rs:166:18
[INFO] [stdout]   38:     0x65070df48c02 - std[ec419fa8110287d5]::thread::lifecycle::spawn_unchecked::<test[a8007afcd3effadc]::run_test::{closure#1}, ()>::{closure#1}::{closure#0}
[INFO] [stdout]                                at /rustc/33835004928d3bf65db4d4712e1330766263b0bd/library/std/src/thread/lifecycle.rs:70:13
[INFO] [stdout]   39:     0x65070df48c02 - <core[35159d6ffb30e017]::panic::unwind_safe::AssertUnwindSafe<std[ec419fa8110287d5]::thread::lifecycle::spawn_unchecked<test[a8007afcd3effadc]::run_test::{closure#1}, ()>::{closure#1}::{closure#0}> as core[35159d6ffb30e017]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]                                at /rustc/33835004928d3bf65db4d4712e1330766263b0bd/library/core/src/panic/unwind_safe.rs:275:9
[INFO] [stdout]   40:     0x65070df48c02 - std[ec419fa8110287d5]::panicking::catch_unwind::do_call::<core[35159d6ffb30e017]::panic::unwind_safe::AssertUnwindSafe<std[ec419fa8110287d5]::thread::lifecycle::spawn_unchecked<test[a8007afcd3effadc]::run_test::{closure#1}, ()>::{closure#1}::{closure#0}>, ()>
[INFO] [stdout]                                at /rustc/33835004928d3bf65db4d4712e1330766263b0bd/library/std/src/panicking.rs:581:40
[INFO] [stdout]   41:     0x65070df48c02 - std[ec419fa8110287d5]::panicking::catch_unwind::<(), core[35159d6ffb30e017]::panic::unwind_safe::AssertUnwindSafe<std[ec419fa8110287d5]::thread::lifecycle::spawn_unchecked<test[a8007afcd3effadc]::run_test::{closure#1}, ()>::{closure#1}::{closure#0}>>
[INFO] [stdout]                                at /rustc/33835004928d3bf65db4d4712e1330766263b0bd/library/std/src/panicking.rs:544:19
[INFO] [stdout]   42:     0x65070df48c02 - std[ec419fa8110287d5]::panic::catch_unwind::<core[35159d6ffb30e017]::panic::unwind_safe::AssertUnwindSafe<std[ec419fa8110287d5]::thread::lifecycle::spawn_unchecked<test[a8007afcd3effadc]::run_test::{closure#1}, ()>::{closure#1}::{closure#0}>, ()>
[INFO] [stdout]                                at /rustc/33835004928d3bf65db4d4712e1330766263b0bd/library/std/src/panic.rs:359:14
[INFO] [stdout]   43:     0x65070df48c02 - std[ec419fa8110287d5]::thread::lifecycle::spawn_unchecked::<test[a8007afcd3effadc]::run_test::{closure#1}, ()>::{closure#1}
[INFO] [stdout]                                at /rustc/33835004928d3bf65db4d4712e1330766263b0bd/library/std/src/thread/lifecycle.rs:68:26
[INFO] [stdout]   44:     0x65070df48c02 - <std[ec419fa8110287d5]::thread::lifecycle::spawn_unchecked<test[a8007afcd3effadc]::run_test::{closure#1}, ()>::{closure#1} as core[35159d6ffb30e017]::ops::function::FnOnce<()>>::call_once::{shim:vtable#0}
[INFO] [stdout]                                at /rustc/33835004928d3bf65db4d4712e1330766263b0bd/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   45:     0x65070e02acdf - <alloc[a8a7aba520129d98]::boxed::Box<dyn core[35159d6ffb30e017]::ops::function::FnOnce<(), Output = ()> + core[35159d6ffb30e017]::marker::Send> as core[35159d6ffb30e017]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]                                at /rustc/33835004928d3bf65db4d4712e1330766263b0bd/library/alloc/src/boxed.rs:2271:9
[INFO] [stdout]   46:     0x65070e02acdf - <std[ec419fa8110287d5]::sys::thread::unix::Thread>::new::thread_start
[INFO] [stdout]                                at /rustc/33835004928d3bf65db4d4712e1330766263b0bd/library/std/src/sys/thread/unix.rs:118:17
[INFO] [stdout]   47:     0x79f6b45d8aa4 - <unknown>
[INFO] [stdout]   48:     0x79f6b4665a64 - clone
[INFO] [stdout]   49:                0x0 - <unknown>
[INFO] [stdout] 
[INFO] [stdout] ---- plugin_stderr_is_forwarded stdout ----
[INFO] [stdout] 
[INFO] [stdout] thread 'plugin_stderr_is_forwarded' (472) panicked at /rustc/33835004928d3bf65db4d4712e1330766263b0bd/library/core/src/ops/function.rs:250:5:
[INFO] [stdout] Unexpected failure.
[INFO] [stdout] code=1
[INFO] [stdout] stderr=``````
[INFO] [stdout] Error: failed to spawn ruff — is it installed and on PATH?
[INFO] [stdout] 
[INFO] [stdout] Caused by:
[INFO] [stdout]     No such file or directory (os error 2)
[INFO] [stdout] 
[INFO] [stdout] Stack backtrace:
[INFO] [stdout]    0: <std::io::error::Error as anyhow::context::ext::StdError>::ext_context::<&str>
[INFO] [stdout]              at /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/anyhow-1.0.102/src/backtrace.rs:10:14
[INFO] [stdout]    1: <core::result::Result<std::process::Output, std::io::error::Error> as anyhow::Context<std::process::Output, std::io::error::Error>>::context::<&str>
[INFO] [stdout]              at /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/anyhow-1.0.102/src/context.rs:54:37
[INFO] [stdout]    2: ruffian::ruff::check
[INFO] [stdout]              at /opt/rustwide/workdir/src/ruff.rs:34:10
[INFO] [stdout]    3: ruffian::runner::run_check::{closure#1}
[INFO] [stdout]              at /opt/rustwide/workdir/src/runner.rs:44:9
[INFO] [stdout]    4: std::sys::backtrace::__rust_begin_short_backtrace::<ruffian::runner::run_check::{closure#1}, core::result::Result<alloc::vec::Vec<ruffian::ruff::Violation>, anyhow::Error>>
[INFO] [stdout]              at /rustc/33835004928d3bf65db4d4712e1330766263b0bd/library/std/src/sys/backtrace.rs:166:18
[INFO] [stdout]    5: std::thread::lifecycle::spawn_unchecked::<ruffian::runner::run_check::{closure#1}, core::result::Result<alloc::vec::Vec<ruffian::ruff::Violation>, anyhow::Error>>::{closure#1}::{closure#0}
[INFO] [stdout]              at /rustc/33835004928d3bf65db4d4712e1330766263b0bd/library/std/src/thread/lifecycle.rs:70:13
[INFO] [stdout]    6: <core::panic::unwind_safe::AssertUnwindSafe<std::thread::lifecycle::spawn_unchecked<ruffian::runner::run_check::{closure#1}, core::result::Result<alloc::vec::Vec<ruffian::ruff::Violation>, anyhow::Error>>::{closure#1}::{closure#0}> as core::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]              at /rustc/33835004928d3bf65db4d4712e1330766263b0bd/library/core/src/panic/unwind_safe.rs:275:9
[INFO] [stdout]    7: std::panicking::catch_unwind::do_call::<core::panic::unwind_safe::AssertUnwindSafe<std::thread::lifecycle::spawn_unchecked<ruffian::runner::run_check::{closure#1}, core::result::Result<alloc::vec::Vec<ruffian::ruff::Violation>, anyhow::Error>>::{closure#1}::{closure#0}>, core::result::Result<alloc::vec::Vec<ruffian::ruff::Violation>, anyhow::Error>>
[INFO] [stdout]              at /rustc/33835004928d3bf65db4d4712e1330766263b0bd/library/std/src/panicking.rs:581:40
[INFO] [stdout]    8: __rust_try
[INFO] [stdout]    9: std::panicking::catch_unwind::<core::result::Result<alloc::vec::Vec<ruffian::ruff::Violation>, anyhow::Error>, core::panic::unwind_safe::AssertUnwindSafe<std::thread::lifecycle::spawn_unchecked<ruffian::runner::run_check::{closure#1}, core::result::Result<alloc::vec::Vec<ruffian::ruff::Violation>, anyhow::Error>>::{closure#1}::{closure#0}>>
[INFO] [stdout]              at /rustc/33835004928d3bf65db4d4712e1330766263b0bd/library/std/src/panicking.rs:544:19
[INFO] [stdout]   10: std::panic::catch_unwind::<core::panic::unwind_safe::AssertUnwindSafe<std::thread::lifecycle::spawn_unchecked<ruffian::runner::run_check::{closure#1}, core::result::Result<alloc::vec::Vec<ruffian::ruff::Violation>, anyhow::Error>>::{closure#1}::{closure#0}>, core::result::Result<alloc::vec::Vec<ruffian::ruff::Violation>, anyhow::Error>>
[INFO] [stdout]              at /rustc/33835004928d3bf65db4d4712e1330766263b0bd/library/std/src/panic.rs:359:14
[INFO] [stdout]   11: std::thread::lifecycle::spawn_unchecked::<ruffian::runner::run_check::{closure#1}, core::result::Result<alloc::vec::Vec<ruffian::ruff::Violation>, anyhow::Error>>::{closure#1}
[INFO] [stdout]              at /rustc/33835004928d3bf65db4d4712e1330766263b0bd/library/std/src/thread/lifecycle.rs:68:26
[INFO] [stdout]   12: <std::thread::lifecycle::spawn_unchecked<ruffian::runner::run_check::{closure#1}, core::result::Result<alloc::vec::Vec<ruffian::ruff::Violation>, anyhow::Error>>::{closure#1} as core::ops::function::FnOnce<()>>::call_once::{shim:vtable#0}
[INFO] [stdout]              at /rustc/33835004928d3bf65db4d4712e1330766263b0bd/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   13: <alloc::boxed::Box<dyn core::ops::function::FnOnce<(), Output = ()> + core::marker::Send> as core::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]              at /rustc/33835004928d3bf65db4d4712e1330766263b0bd/library/alloc/src/boxed.rs:2271:9
[INFO] [stdout]   14: <std::sys::thread::unix::Thread>::new::thread_start
[INFO] [stdout]              at /rustc/33835004928d3bf65db4d4712e1330766263b0bd/library/std/src/sys/thread/unix.rs:118:17
[INFO] [stdout]   15: <unknown>
[INFO] [stdout]   16: clone
[INFO] [stdout] ```
[INFO] [stdout] ```
[INFO] [stdout] command=`cd "/tmp/.tmppjkAle" && "/opt/rustwide/target/debug/ruffian" "check" "/tmp/.tmppjkAle/a.py"`
[INFO] [stdout] code=1
[INFO] [stdout] stdout=""
[INFO] [stdout] stderr=```
[INFO] [stdout] Error: failed to spawn ruff — is it installed and on PATH?
[INFO] [stdout] 
[INFO] [stdout] Caused by:
[INFO] [stdout]     No such file or directory (os error 2)
[INFO] [stdout] 
[INFO] [stdout] Stack backtrace:
[INFO] [stdout]    0: <std::io::error::Error as anyhow::context::ext::StdError>::ext_context::<&str>
[INFO] [stdout]              at /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/anyhow-1.0.102/src/backtrace.rs:10:14
[INFO] [stdout]    1: <core::result::Result<std::process::Output, std::io::error::Error> as anyhow::Context<std::process::Output, std::io::error::Error>>::context::<&str>
[INFO] [stdout]              at /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/anyhow-1.0.102/src/context.rs:54:37
[INFO] [stdout]    2: ruffian::ruff::check
[INFO] [stdout]              at /opt/rustwide/workdir/src/ruff.rs:34:10
[INFO] [stdout]    3: ruffian::runner::run_check::{closure#1}
[INFO] [stdout]              at /opt/rustwide/workdir/src/runner.rs:44:9
[INFO] [stdout]    4: std::sys::backtrace::__rust_begin_short_backtrace::<ruffian::runner::run_check::{closure#1}, core::result::Result<alloc::vec::Vec<ruffian::ruff::Violation>, anyhow::Error>>
[INFO] [stdout]              at /rustc/33835004928d3bf65db4d4712e1330766263b0bd/library/std/src/sys/backtrace.rs:166:18
[INFO] [stdout]    5: std::thread::lifecycle::spawn_unchecked::<ruffian::runner::run_check::{closure#1}, core::result::Result<alloc::vec::Vec<ruffian::ruff::Violation>, anyhow::Error>>::{closure#1}::{closure#0}
[INFO] [stdout]              at /rustc/33835004928d3bf65db4d4712e1330766263b0bd/library/std/src/thread/lifecycle.rs:70:13
[INFO] [stdout]    6: <core::panic::unwind_safe::AssertUnwindSafe<std::thread::lifecycle::spawn_unchecked<ruffian::runner::run_check::{closure#1}, core::result::Result<alloc::vec::Vec<ruffian::ruff::Violation>, anyhow::Error>>::{closure#1}::{closure#0}> as core::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]              at /rustc/33835004928d3bf65db4d4712e1330766263b0bd/library/core/src/panic/unwind_safe.rs:275:9
[INFO] [stdout]    7: std::panicking::catch_unwind::do_call::<core::panic::unwind_safe::AssertUnwindSafe<std::thread::lifecycle::spawn_unchecked<ruffian::runner::run_check::{closure#1}, core::result::Result<alloc::vec::Vec<ruffian::ruff::Violation>, anyhow::Error>>::{closure#1}::{closure#0}>, core::result::Result<alloc::vec::Vec<ruffian::ruff::Violation>, anyhow::Error>>
[INFO] [stdout]              at /rustc/33835004928d3bf65db4d4712e1330766263b0bd/library/std/src/panicking.rs:581:40
[INFO] [stdout]    8: __rust_try
[INFO] [stdout]    9: std::panicking::catch_unwind::<core::result::Result<alloc::vec::Vec<ruffian::ruff::Violation>, anyhow::Error>, core::panic::unwind_safe::AssertUnwindSafe<std::thread::lifecycle::spawn_unchecked<ruffian::runner::run_check::{closure#1}, core::result::Result<alloc::vec::Vec<ruffian::ruff::Violation>, anyhow::Error>>::{closure#1}::{closure#0}>>
[INFO] [stdout]              at /rustc/33835004928d3bf65db4d4712e1330766263b0bd/library/std/src/panicking.rs:544:19
[INFO] [stdout]   10: std::panic::catch_unwind::<core::panic::unwind_safe::AssertUnwindSafe<std::thread::lifecycle::spawn_unchecked<ruffian::runner::run_check::{closure#1}, core::result::Result<alloc::vec::Vec<ruffian::ruff::Violation>, anyhow::Error>>::{closure#1}::{closure#0}>, core::result::Result<alloc::vec::Vec<ruffian::ruff::Violation>, anyhow::Error>>
[INFO] [stdout]              at /rustc/33835004928d3bf65db4d4712e1330766263b0bd/library/std/src/panic.rs:359:14
[INFO] [stdout]   11: std::thread::lifecycle::spawn_unchecked::<ruffian::runner::run_check::{closure#1}, core::result::Result<alloc::vec::Vec<ruffian::ruff::Violation>, anyhow::Error>>::{closure#1}
[INFO] [stdout]              at /rustc/33835004928d3bf65db4d4712e1330766263b0bd/library/std/src/thread/lifecycle.rs:68:26
[INFO] [stdout]   12: <std::thread::lifecycle::spawn_unchecked<ruffian::runner::run_check::{closure#1}, core::result::Result<alloc::vec::Vec<ruffian::ruff::Violation>, anyhow::Error>>::{closure#1} as core::ops::function::FnOnce<()>>::call_once::{shim:vtable#0}
[INFO] [stdout]              at /rustc/33835004928d3bf65db4d4712e1330766263b0bd/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   13: <alloc::boxed::Box<dyn core::ops::function::FnOnce<(), Output = ()> + core::marker::Send> as core::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]              at /rustc/33835004928d3bf65db4d4712e1330766263b0bd/library/alloc/src/boxed.rs:2271:9
[INFO] [stdout]   14: <std::sys::thread::unix::Thread>::new::thread_start
[INFO] [stdout]              at /rustc/33835004928d3bf65db4d4712e1330766263b0bd/library/std/src/sys/thread/unix.rs:118:17
[INFO] [stdout]   15: <unknown>
[INFO] [stdout]   16: clone
[INFO] [stdout] ```
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] stack backtrace:
[INFO] [stdout]    0:     0x65070e02b96a - std[ec419fa8110287d5]::backtrace_rs::backtrace::libunwind::trace
[INFO] [stdout]                                at /rustc/33835004928d3bf65db4d4712e1330766263b0bd/library/std/src/../../backtrace/src/backtrace/libunwind.rs:117:9
[INFO] [stdout]    1:     0x65070e02b96a - std[ec419fa8110287d5]::backtrace_rs::backtrace::trace_unsynchronized::<std[ec419fa8110287d5]::sys::backtrace::_print_fmt::{closure#1}>
[INFO] [stdout]                                at /rustc/33835004928d3bf65db4d4712e1330766263b0bd/library/std/src/../../backtrace/src/backtrace/mod.rs:66:14
[INFO] [stdout]    2:     0x65070e02b96a - std[ec419fa8110287d5]::sys::backtrace::_print_fmt
[INFO] [stdout]                                at /rustc/33835004928d3bf65db4d4712e1330766263b0bd/library/std/src/sys/backtrace.rs:74:9
[INFO] [stdout]    3:     0x65070e02b96a - <<std[ec419fa8110287d5]::sys::backtrace::BacktraceLock>::print::DisplayBacktrace as core[35159d6ffb30e017]::fmt::Display>::fmt
[INFO] [stdout]                                at /rustc/33835004928d3bf65db4d4712e1330766263b0bd/library/std/src/sys/backtrace.rs:44:26
[INFO] [stdout]    4:     0x65070e04218a - <core[35159d6ffb30e017]::fmt::rt::Argument>::fmt
[INFO] [stdout]                                at /rustc/33835004928d3bf65db4d4712e1330766263b0bd/library/core/src/fmt/rt.rs:152:76
[INFO] [stdout]    5:     0x65070e04218a - core[35159d6ffb30e017]::fmt::write
[INFO] [stdout]    6:     0x65070e0316f2 - std[ec419fa8110287d5]::io::default_write_fmt::<alloc[a8a7aba520129d98]::vec::Vec<u8>>
[INFO] [stdout]                                at /rustc/33835004928d3bf65db4d4712e1330766263b0bd/library/std/src/io/mod.rs:621:11
[INFO] [stdout]    7:     0x65070e0316f2 - <alloc[a8a7aba520129d98]::vec::Vec<u8> as std[ec419fa8110287d5]::io::Write>::write_fmt
[INFO] [stdout]                                at /rustc/33835004928d3bf65db4d4712e1330766263b0bd/library/std/src/io/mod.rs:1976:13
[INFO] [stdout]    8:     0x65070e00860f - <std[ec419fa8110287d5]::sys::backtrace::BacktraceLock>::print
[INFO] [stdout]                                at /rustc/33835004928d3bf65db4d4712e1330766263b0bd/library/std/src/sys/backtrace.rs:47:9
[INFO] [stdout]    9:     0x65070e00860f - std[ec419fa8110287d5]::panicking::default_hook::{closure#0}
[INFO] [stdout]                                at /rustc/33835004928d3bf65db4d4712e1330766263b0bd/library/std/src/panicking.rs:292:27
[INFO] [stdout]   10:     0x65070e023149 - std[ec419fa8110287d5]::panicking::default_hook
[INFO] [stdout]                                at /rustc/33835004928d3bf65db4d4712e1330766263b0bd/library/std/src/panicking.rs:316:9
[INFO] [stdout]   11:     0x65070df4552c - <alloc[a8a7aba520129d98]::boxed::Box<dyn for<'a, 'b> core[35159d6ffb30e017]::ops::function::Fn<(&'a std[ec419fa8110287d5]::panic::PanicHookInfo<'b>,), Output = ()> + core[35159d6ffb30e017]::marker::Sync + core[35159d6ffb30e017]::marker::Send> as core[35159d6ffb30e017]::ops::function::Fn<(&std[ec419fa8110287d5]::panic::PanicHookInfo,)>>::call
[INFO] [stdout]                                at /rustc/33835004928d3bf65db4d4712e1330766263b0bd/library/alloc/src/boxed.rs:2285:9
[INFO] [stdout]   12:     0x65070df4552c - test[a8007afcd3effadc]::test_main_inner::<test[a8007afcd3effadc]::test_main_static::{closure#0}>::{closure#0}
[INFO] [stdout]                                at /rustc/33835004928d3bf65db4d4712e1330766263b0bd/library/test/src/lib.rs:155:21
[INFO] [stdout]   13:     0x65070e023302 - <alloc[a8a7aba520129d98]::boxed::Box<dyn for<'a, 'b> core[35159d6ffb30e017]::ops::function::Fn<(&'a std[ec419fa8110287d5]::panic::PanicHookInfo<'b>,), Output = ()> + core[35159d6ffb30e017]::marker::Sync + core[35159d6ffb30e017]::marker::Send> as core[35159d6ffb30e017]::ops::function::Fn<(&std[ec419fa8110287d5]::panic::PanicHookInfo,)>>::call
[INFO] [stdout]                                at /rustc/33835004928d3bf65db4d4712e1330766263b0bd/library/alloc/src/boxed.rs:2285:9
[INFO] [stdout]   14:     0x65070e023302 - std[ec419fa8110287d5]::panicking::panic_with_hook
[INFO] [stdout]                                at /rustc/33835004928d3bf65db4d4712e1330766263b0bd/library/std/src/panicking.rs:833:13
[INFO] [stdout]   15:     0x65070e0086c8 - std[ec419fa8110287d5]::panicking::panic_handler::{closure#0}
[INFO] [stdout]                                at /rustc/33835004928d3bf65db4d4712e1330766263b0bd/library/std/src/panicking.rs:698:13
[INFO] [stdout]   16:     0x65070dfffe39 - std[ec419fa8110287d5]::sys::backtrace::__rust_end_short_backtrace::<std[ec419fa8110287d5]::panicking::panic_handler::{closure#0}, !>
[INFO] [stdout]                                at /rustc/33835004928d3bf65db4d4712e1330766263b0bd/library/std/src/sys/backtrace.rs:182:18
[INFO] [stdout]   17:     0x65070e00946d - __rustc[cfb3622dd870db93]::rust_begin_unwind
[INFO] [stdout]                                at /rustc/33835004928d3bf65db4d4712e1330766263b0bd/library/std/src/panicking.rs:689:5
[INFO] [stdout]   18:     0x65070e04299c - core[35159d6ffb30e017]::panicking::panic_fmt
[INFO] [stdout]                                at /rustc/33835004928d3bf65db4d4712e1330766263b0bd/library/core/src/panicking.rs:80:14
[INFO] [stdout]   19:     0x65070dfb0708 - core[35159d6ffb30e017]::panicking::panic_display::<assert_cmd[35950e0b123f7429]::assert::AssertError>
[INFO] [stdout]                                at /rustc/33835004928d3bf65db4d4712e1330766263b0bd/library/core/src/panicking.rs:259:5
[INFO] [stdout]   20:     0x65070dfae9f7 - <assert_cmd[35950e0b123f7429]::assert::AssertError>::panic::<assert_cmd[35950e0b123f7429]::assert::Assert>
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/assert_cmd-2.2.1/src/assert.rs:1036:9
[INFO] [stdout]   21:     0x65070dfb42b7 - <<assert_cmd[35950e0b123f7429]::assert::AssertError>::panic<assert_cmd[35950e0b123f7429]::assert::Assert> as core[35159d6ffb30e017]::ops::function::FnOnce<(assert_cmd[35950e0b123f7429]::assert::AssertError,)>>::call_once
[INFO] [stdout]                                at /rustc/33835004928d3bf65db4d4712e1330766263b0bd/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   22:     0x65070dfb4634 - <core[35159d6ffb30e017]::result::Result<assert_cmd[35950e0b123f7429]::assert::Assert, assert_cmd[35950e0b123f7429]::assert::AssertError>>::unwrap_or_else::<<assert_cmd[35950e0b123f7429]::assert::AssertError>::panic<assert_cmd[35950e0b123f7429]::assert::Assert>>
[INFO] [stdout]                                at /rustc/33835004928d3bf65db4d4712e1330766263b0bd/library/core/src/result.rs:1622:23
[INFO] [stdout]   23:     0x65070dfb1f90 - <assert_cmd[35950e0b123f7429]::assert::Assert>::success
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/assert_cmd-2.2.1/src/assert.rs:161:28
[INFO] [stdout]   24:     0x65070df2f56c - integration[c26367521ce6f8e0]::plugin_stderr_is_forwarded
[INFO] [stdout]                                at /opt/rustwide/workdir/tests/integration/test_check.rs:224:10
[INFO] [stdout]   25:     0x65070df2da27 - integration[c26367521ce6f8e0]::plugin_stderr_is_forwarded::{closure#0}
[INFO] [stdout]                                at /opt/rustwide/workdir/tests/integration/test_check.rs:212:32
[INFO] [stdout]   26:     0x65070df381e6 - <integration[c26367521ce6f8e0]::plugin_stderr_is_forwarded::{closure#0} as core[35159d6ffb30e017]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]                                at /rustc/33835004928d3bf65db4d4712e1330766263b0bd/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   27:     0x65070df3880b - <fn() -> core[35159d6ffb30e017]::result::Result<(), alloc[a8a7aba520129d98]::string::String> as core[35159d6ffb30e017]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]                                at /rustc/33835004928d3bf65db4d4712e1330766263b0bd/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   28:     0x65070df3880b - test[a8007afcd3effadc]::__rust_begin_short_backtrace::<core[35159d6ffb30e017]::result::Result<(), alloc[a8a7aba520129d98]::string::String>, fn() -> core[35159d6ffb30e017]::result::Result<(), alloc[a8a7aba520129d98]::string::String>>
[INFO] [stdout]                                at /rustc/33835004928d3bf65db4d4712e1330766263b0bd/library/test/src/lib.rs:724:18
[INFO] [stdout]   29:     0x65070df45ffb - test[a8007afcd3effadc]::run_test_in_process::{closure#0}
[INFO] [stdout]                                at /rustc/33835004928d3bf65db4d4712e1330766263b0bd/library/test/src/lib.rs:747:74
[INFO] [stdout]   30:     0x65070df45ffb - <core[35159d6ffb30e017]::panic::unwind_safe::AssertUnwindSafe<test[a8007afcd3effadc]::run_test_in_process::{closure#0}> as core[35159d6ffb30e017]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]                                at /rustc/33835004928d3bf65db4d4712e1330766263b0bd/library/core/src/panic/unwind_safe.rs:275:9
[INFO] [stdout]   31:     0x65070df45ffb - std[ec419fa8110287d5]::panicking::catch_unwind::do_call::<core[35159d6ffb30e017]::panic::unwind_safe::AssertUnwindSafe<test[a8007afcd3effadc]::run_test_in_process::{closure#0}>, core[35159d6ffb30e017]::result::Result<(), alloc[a8a7aba520129d98]::string::String>>
[INFO] [stdout]                                at /rustc/33835004928d3bf65db4d4712e1330766263b0bd/library/std/src/panicking.rs:581:40
[INFO] [stdout]   32:     0x65070df45ffb - std[ec419fa8110287d5]::panicking::catch_unwind::<core[35159d6ffb30e017]::result::Result<(), alloc[a8a7aba520129d98]::string::String>, core[35159d6ffb30e017]::panic::unwind_safe::AssertUnwindSafe<test[a8007afcd3effadc]::run_test_in_process::{closure#0}>>
[INFO] [stdout]                                at /rustc/33835004928d3bf65db4d4712e1330766263b0bd/library/std/src/panicking.rs:544:19
[INFO] [stdout]   33:     0x65070df45ffb - std[ec419fa8110287d5]::panic::catch_unwind::<core[35159d6ffb30e017]::panic::unwind_safe::AssertUnwindSafe<test[a8007afcd3effadc]::run_test_in_process::{closure#0}>, core[35159d6ffb30e017]::result::Result<(), alloc[a8a7aba520129d98]::string::String>>
[INFO] [stdout]                                at /rustc/33835004928d3bf65db4d4712e1330766263b0bd/library/std/src/panic.rs:359:14
[INFO] [stdout]   34:     0x65070df45ffb - test[a8007afcd3effadc]::run_test_in_process
[INFO] [stdout]                                at /rustc/33835004928d3bf65db4d4712e1330766263b0bd/library/test/src/lib.rs:747:27
[INFO] [stdout]   35:     0x65070df45ffb - test[a8007afcd3effadc]::run_test::{closure#0}
[INFO] [stdout]                                at /rustc/33835004928d3bf65db4d4712e1330766263b0bd/library/test/src/lib.rs:668:43
[INFO] [stdout]   36:     0x65070df409d4 - test[a8007afcd3effadc]::run_test::{closure#1}
[INFO] [stdout]                                at /rustc/33835004928d3bf65db4d4712e1330766263b0bd/library/test/src/lib.rs:698:41
[INFO] [stdout]   37:     0x65070df409d4 - std[ec419fa8110287d5]::sys::backtrace::__rust_begin_short_backtrace::<test[a8007afcd3effadc]::run_test::{closure#1}, ()>
[INFO] [stdout]                                at /rustc/33835004928d3bf65db4d4712e1330766263b0bd/library/std/src/sys/backtrace.rs:166:18
[INFO] [stdout]   38:     0x65070df48c02 - std[ec419fa8110287d5]::thread::lifecycle::spawn_unchecked::<test[a8007afcd3effadc]::run_test::{closure#1}, ()>::{closure#1}::{closure#0}
[INFO] [stdout]                                at /rustc/33835004928d3bf65db4d4712e1330766263b0bd/library/std/src/thread/lifecycle.rs:70:13
[INFO] [stdout]   39:     0x65070df48c02 - <core[35159d6ffb30e017]::panic::unwind_safe::AssertUnwindSafe<std[ec419fa8110287d5]::thread::lifecycle::spawn_unchecked<test[a8007afcd3effadc]::run_test::{closure#1}, ()>::{closure#1}::{closure#0}> as core[35159d6ffb30e017]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]                                at /rustc/33835004928d3bf65db4d4712e1330766263b0bd/library/core/src/panic/unwind_safe.rs:275:9
[INFO] [stdout]   40:     0x65070df48c02 - std[ec419fa8110287d5]::panicking::catch_unwind::do_call::<core[35159d6ffb30e017]::panic::unwind_safe::AssertUnwindSafe<std[ec419fa8110287d5]::thread::lifecycle::spawn_unchecked<test[a8007afcd3effadc]::run_test::{closure#1}, ()>::{closure#1}::{closure#0}>, ()>
[INFO] [stdout]                                at /rustc/33835004928d3bf65db4d4712e1330766263b0bd/library/std/src/panicking.rs:581:40
[INFO] [stdout]   41:     0x65070df48c02 - std[ec419fa8110287d5]::panicking::catch_unwind::<(), core[35159d6ffb30e017]::panic::unwind_safe::AssertUnwindSafe<std[ec419fa8110287d5]::thread::lifecycle::spawn_unchecked<test[a8007afcd3effadc]::run_test::{closure#1}, ()>::{closure#1}::{closure#0}>>
[INFO] [stdout]                                at /rustc/33835004928d3bf65db4d4712e1330766263b0bd/library/std/src/panicking.rs:544:19
[INFO] [stdout]   42:     0x65070df48c02 - std[ec419fa8110287d5]::panic::catch_unwind::<core[35159d6ffb30e017]::panic::unwind_safe::AssertUnwindSafe<std[ec419fa8110287d5]::thread::lifecycle::spawn_unchecked<test[a8007afcd3effadc]::run_test::{closure#1}, ()>::{closure#1}::{closure#0}>, ()>
[INFO] [stdout]                                at /rustc/33835004928d3bf65db4d4712e1330766263b0bd/library/std/src/panic.rs:359:14
[INFO] [stdout]   43:     0x65070df48c02 - std[ec419fa8110287d5]::thread::lifecycle::spawn_unchecked::<test[a8007afcd3effadc]::run_test::{closure#1}, ()>::{closure#1}
[INFO] [stdout]                                at /rustc/33835004928d3bf65db4d4712e1330766263b0bd/library/std/src/thread/lifecycle.rs:68:26
[INFO] [stdout]   44:     0x65070df48c02 - <std[ec419fa8110287d5]::thread::lifecycle::spawn_unchecked<test[a8007afcd3effadc]::run_test::{closure#1}, ()>::{closure#1} as core[35159d6ffb30e017]::ops::function::FnOnce<()>>::call_once::{shim:vtable#0}
[INFO] [stdout]                                at /rustc/33835004928d3bf65db4d4712e1330766263b0bd/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   45:     0x65070e02acdf - <alloc[a8a7aba520129d98]::boxed::Box<dyn core[35159d6ffb30e017]::ops::function::FnOnce<(), Output = ()> + core[35159d6ffb30e017]::marker::Send> as core[35159d6ffb30e017]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]                                at /rustc/33835004928d3bf65db4d4712e1330766263b0bd/library/alloc/src/boxed.rs:2271:9
[INFO] [stdout]   46:     0x65070e02acdf - <std[ec419fa8110287d5]::sys::thread::unix::Thread>::new::thread_start
[INFO] [stdout]                                at /rustc/33835004928d3bf65db4d4712e1330766263b0bd/library/std/src/sys/thread/unix.rs:118:17
[INFO] [stdout]   47:     0x79f6b45d8aa4 - <unknown>
[INFO] [stdout]   48:     0x79f6b4665a64 - clone
[INFO] [stdout]   49:                0x0 - <unknown>
[INFO] [stdout] 
[INFO] [stdout] ---- plugin_with_bad_executable_does_not_count_as_lint_failure stdout ----
[INFO] [stdout] 
[INFO] [stdout] thread 'plugin_with_bad_executable_does_not_count_as_lint_failure' (473) panicked at /rustc/33835004928d3bf65db4d4712e1330766263b0bd/library/core/src/ops/function.rs:250:5:
[INFO] [stdout] Unexpected failure.
[INFO] [stdout] code=1
[INFO] [stdout] stderr=``````
[INFO] [stdout] error: failed to spawn plugin \'bad-plugin\'
[INFO] [stdout] Error: failed to spawn ruff — is it installed and on PATH?
[INFO] [stdout] 
[INFO] [stdout] Caused by:
[INFO] [stdout]     No such file or directory (os error 2)
[INFO] [stdout] 
[INFO] [stdout] Stack backtrace:
[INFO] [stdout]    0: <std::io::error::Error as anyhow::context::ext::StdError>::ext_context::<&str>
[INFO] [stdout]              at /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/anyhow-1.0.102/src/backtrace.rs:10:14
[INFO] [stdout]    1: <core::result::Result<std::process::Output, std::io::error::Error> as anyhow::Context<std::process::Output, std::io::error::Error>>::context::<&str>
[INFO] [stdout]              at /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/anyhow-1.0.102/src/context.rs:54:37
[INFO] [stdout]    2: ruffian::ruff::check
[INFO] [stdout]              at /opt/rustwide/workdir/src/ruff.rs:34:10
[INFO] [stdout]    3: ruffian::runner::run_check::{closure#1}
[INFO] [stdout]              at /opt/rustwide/workdir/src/runner.rs:44:9
[INFO] [stdout]    4: std::sys::backtrace::__rust_begin_short_backtrace::<ruffian::runner::run_check::{closure#1}, core::result::Result<alloc::vec::Vec<ruffian::ruff::Violation>, anyhow::Error>>
[INFO] [stdout]              at /rustc/33835004928d3bf65db4d4712e1330766263b0bd/library/std/src/sys/backtrace.rs:166:18
[INFO] [stdout]    5: std::thread::lifecycle::spawn_unchecked::<ruffian::runner::run_check::{closure#1}, core::result::Result<alloc::vec::Vec<ruffian::ruff::Violation>, anyhow::Error>>::{closure#1}::{closure#0}
[INFO] [stdout]              at /rustc/33835004928d3bf65db4d4712e1330766263b0bd/library/std/src/thread/lifecycle.rs:70:13
[INFO] [stdout]    6: <core::panic::unwind_safe::AssertUnwindSafe<std::thread::lifecycle::spawn_unchecked<ruffian::runner::run_check::{closure#1}, core::result::Result<alloc::vec::Vec<ruffian::ruff::Violation>, anyhow::Error>>::{closure#1}::{closure#0}> as core::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]              at /rustc/33835004928d3bf65db4d4712e1330766263b0bd/library/core/src/panic/unwind_safe.rs:275:9
[INFO] [stdout]    7: std::panicking::catch_unwind::do_call::<core::panic::unwind_safe::AssertUnwindSafe<std::thread::lifecycle::spawn_unchecked<ruffian::runner::run_check::{closure#1}, core::result::Result<alloc::vec::Vec<ruffian::ruff::Violation>, anyhow::Error>>::{closure#1}::{closure#0}>, core::result::Result<alloc::vec::Vec<ruffian::ruff::Violation>, anyhow::Error>>
[INFO] [stdout]              at /rustc/33835004928d3bf65db4d4712e1330766263b0bd/library/std/src/panicking.rs:581:40
[INFO] [stdout]    8: __rust_try
[INFO] [stdout]    9: std::panicking::catch_unwind::<core::result::Result<alloc::vec::Vec<ruffian::ruff::Violation>, anyhow::Error>, core::panic::unwind_safe::AssertUnwindSafe<std::thread::lifecycle::spawn_unchecked<ruffian::runner::run_check::{closure#1}, core::result::Result<alloc::vec::Vec<ruffian::ruff::Violation>, anyhow::Error>>::{closure#1}::{closure#0}>>
[INFO] [stdout]              at /rustc/33835004928d3bf65db4d4712e1330766263b0bd/library/std/src/panicking.rs:544:19
[INFO] [stdout]   10: std::panic::catch_unwind::<core::panic::unwind_safe::AssertUnwindSafe<std::thread::lifecycle::spawn_unchecked<ruffian::runner::run_check::{closure#1}, core::result::Result<alloc::vec::Vec<ruffian::ruff::Violation>, anyhow::Error>>::{closure#1}::{closure#0}>, core::result::Result<alloc::vec::Vec<ruffian::ruff::Violation>, anyhow::Error>>
[INFO] [stdout]              at /rustc/33835004928d3bf65db4d4712e1330766263b0bd/library/std/src/panic.rs:359:14
[INFO] [stdout]   11: std::thread::lifecycle::spawn_unchecked::<ruffian::runner::run_check::{closure#1}, core::result::Result<alloc::vec::Vec<ruffian::ruff::Violation>, anyhow::Error>>::{closure#1}
[INFO] [stdout]              at /rustc/33835004928d3bf65db4d4712e1330766263b0bd/library/std/src/thread/lifecycle.rs:68:26
[INFO] [stdout]   12: <std::thread::lifecycle::spawn_unchecked<ruffian::runner::run_check::{closure#1}, core::result::Result<alloc::vec::Vec<ruffian::ruff::Violation>, anyhow::Error>>::{closure#1} as core::ops::function::FnOnce<()>>::call_once::{shim:vtable#0}
[INFO] [stdout]              at /rustc/33835004928d3bf65db4d4712e1330766263b0bd/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   13: <alloc::boxed::Box<dyn core::ops::function::FnOnce<(), Output = ()> + core::marker::Send> as core::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]              at /rustc/33835004928d3bf65db4d4712e1330766263b0bd/library/alloc/src/boxed.rs:2271:9
[INFO] [stdout]   14: <std::sys::thread::unix::Thread>::new::thread_start
[INFO] [stdout]              at /rustc/33835004928d3bf65db4d4712e1330766263b0bd/library/std/src/sys/thread/unix.rs:118:17
[INFO] [stdout]   15: <unknown>
[INFO] [stdout]   16: clone
[INFO] [stdout] ```
[INFO] [stdout] ```
[INFO] [stdout] command=`cd "/tmp/.tmpZONXTY" && "/opt/rustwide/target/debug/ruffian" "check" "/tmp/.tmpZONXTY/a.py"`
[INFO] [stdout] code=1
[INFO] [stdout] stdout=""
[INFO] [stdout] stderr=```
[INFO] [stdout] error: failed to spawn plugin \'bad-plugin\'
[INFO] [stdout] Error: failed to spawn ruff — is it installed and on PATH?
[INFO] [stdout] 
[INFO] [stdout] Caused by:
[INFO] [stdout]     No such file or directory (os error 2)
[INFO] [stdout] 
[INFO] [stdout] Stack backtrace:
[INFO] [stdout]    0: <std::io::error::Error as anyhow::context::ext::StdError>::ext_context::<&str>
[INFO] [stdout]              at /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/anyhow-1.0.102/src/backtrace.rs:10:14
[INFO] [stdout]    1: <core::result::Result<std::process::Output, std::io::error::Error> as anyhow::Context<std::process::Output, std::io::error::Error>>::context::<&str>
[INFO] [stdout]              at /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/anyhow-1.0.102/src/context.rs:54:37
[INFO] [stdout]    2: ruffian::ruff::check
[INFO] [stdout]              at /opt/rustwide/workdir/src/ruff.rs:34:10
[INFO] [stdout]    3: ruffian::runner::run_check::{closure#1}
[INFO] [stdout]              at /opt/rustwide/workdir/src/runner.rs:44:9
[INFO] [stdout]    4: std::sys::backtrace::__rust_begin_short_backtrace::<ruffian::runner::run_check::{closure#1}, core::result::Result<alloc::vec::Vec<ruffian::ruff::Violation>, anyhow::Error>>
[INFO] [stdout]              at /rustc/33835004928d3bf65db4d4712e1330766263b0bd/library/std/src/sys/backtrace.rs:166:18
[INFO] [stdout]    5: std::thread::lifecycle::spawn_unchecked::<ruffian::runner::run_check::{closure#1}, core::result::Result<alloc::vec::Vec<ruffian::ruff::Violation>, anyhow::Error>>::{closure#1}::{closure#0}
[INFO] [stdout]              at /rustc/33835004928d3bf65db4d4712e1330766263b0bd/library/std/src/thread/lifecycle.rs:70:13
[INFO] [stdout]    6: <core::panic::unwind_safe::AssertUnwindSafe<std::thread::lifecycle::spawn_unchecked<ruffian::runner::run_check::{closure#1}, core::result::Result<alloc::vec::Vec<ruffian::ruff::Violation>, anyhow::Error>>::{closure#1}::{closure#0}> as core::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]              at /rustc/33835004928d3bf65db4d4712e1330766263b0bd/library/core/src/panic/unwind_safe.rs:275:9
[INFO] [stdout]    7: std::panicking::catch_unwind::do_call::<core::panic::unwind_safe::AssertUnwindSafe<std::thread::lifecycle::spawn_unchecked<ruffian::runner::run_check::{closure#1}, core::result::Result<alloc::vec::Vec<ruffian::ruff::Violation>, anyhow::Error>>::{closure#1}::{closure#0}>, core::result::Result<alloc::vec::Vec<ruffian::ruff::Violation>, anyhow::Error>>
[INFO] [stdout]              at /rustc/33835004928d3bf65db4d4712e1330766263b0bd/library/std/src/panicking.rs:581:40
[INFO] [stdout]    8: __rust_try
[INFO] [stdout]    9: std::panicking::catch_unwind::<core::result::Result<alloc::vec::Vec<ruffian::ruff::Violation>, anyhow::Error>, core::panic::unwind_safe::AssertUnwindSafe<std::thread::lifecycle::spawn_unchecked<ruffian::runner::run_check::{closure#1}, core::result::Result<alloc::vec::Vec<ruffian::ruff::Violation>, anyhow::Error>>::{closure#1}::{closure#0}>>
[INFO] [stdout]              at /rustc/33835004928d3bf65db4d4712e1330766263b0bd/library/std/src/panicking.rs:544:19
[INFO] [stdout]   10: std::panic::catch_unwind::<core::panic::unwind_safe::AssertUnwindSafe<std::thread::lifecycle::spawn_unchecked<ruffian::runner::run_check::{closure#1}, core::result::Result<alloc::vec::Vec<ruffian::ruff::Violation>, anyhow::Error>>::{closure#1}::{closure#0}>, core::result::Result<alloc::vec::Vec<ruffian::ruff::Violation>, anyhow::Error>>
[INFO] [stdout]              at /rustc/33835004928d3bf65db4d4712e1330766263b0bd/library/std/src/panic.rs:359:14
[INFO] [stdout]   11: std::thread::lifecycle::spawn_unchecked::<ruffian::runner::run_check::{closure#1}, core::result::Result<alloc::vec::Vec<ruffian::ruff::Violation>, anyhow::Error>>::{closure#1}
[INFO] [stdout]              at /rustc/33835004928d3bf65db4d4712e1330766263b0bd/library/std/src/thread/lifecycle.rs:68:26
[INFO] [stdout]   12: <std::thread::lifecycle::spawn_unchecked<ruffian::runner::run_check::{closure#1}, core::result::Result<alloc::vec::Vec<ruffian::ruff::Violation>, anyhow::Error>>::{closure#1} as core::ops::function::FnOnce<()>>::call_once::{shim:vtable#0}
[INFO] [stdout]              at /rustc/33835004928d3bf65db4d4712e1330766263b0bd/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   13: <alloc::boxed::Box<dyn core::ops::function::FnOnce<(), Output = ()> + core::marker::Send> as core::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]              at /rustc/33835004928d3bf65db4d4712e1330766263b0bd/library/alloc/src/boxed.rs:2271:9
[INFO] [stdout]   14: <std::sys::thread::unix::Thread>::new::thread_start
[INFO] [stdout]              at /rustc/33835004928d3bf65db4d4712e1330766263b0bd/library/std/src/sys/thread/unix.rs:118:17
[INFO] [stdout]   15: <unknown>
[INFO] [stdout]   16: clone
[INFO] [stdout] ```
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] stack backtrace:
[INFO] [stdout]    0:     0x65070e02b96a - std[ec419fa8110287d5]::backtrace_rs::backtrace::libunwind::trace
[INFO] [stdout]                                at /rustc/33835004928d3bf65db4d4712e1330766263b0bd/library/std/src/../../backtrace/src/backtrace/libunwind.rs:117:9
[INFO] [stdout]    1:     0x65070e02b96a - std[ec419fa8110287d5]::backtrace_rs::backtrace::trace_unsynchronized::<std[ec419fa8110287d5]::sys::backtrace::_print_fmt::{closure#1}>
[INFO] [stdout]                                at /rustc/33835004928d3bf65db4d4712e1330766263b0bd/library/std/src/../../backtrace/src/backtrace/mod.rs:66:14
[INFO] [stdout]    2:     0x65070e02b96a - std[ec419fa8110287d5]::sys::backtrace::_print_fmt
[INFO] [stdout]                                at /rustc/33835004928d3bf65db4d4712e1330766263b0bd/library/std/src/sys/backtrace.rs:74:9
[INFO] [stdout]    3:     0x65070e02b96a - <<std[ec419fa8110287d5]::sys::backtrace::BacktraceLock>::print::DisplayBacktrace as core[35159d6ffb30e017]::fmt::Display>::fmt
[INFO] [stdout]                                at /rustc/33835004928d3bf65db4d4712e1330766263b0bd/library/std/src/sys/backtrace.rs:44:26
[INFO] [stdout]    4:     0x65070e04218a - <core[35159d6ffb30e017]::fmt::rt::Argument>::fmt
[INFO] [stdout]                                at /rustc/33835004928d3bf65db4d4712e1330766263b0bd/library/core/src/fmt/rt.rs:152:76
[INFO] [stdout]    5:     0x65070e04218a - core[35159d6ffb30e017]::fmt::write
[INFO] [stdout]    6:     0x65070e0316f2 - std[ec419fa8110287d5]::io::default_write_fmt::<alloc[a8a7aba520129d98]::vec::Vec<u8>>
[INFO] [stdout]                                at /rustc/33835004928d3bf65db4d4712e1330766263b0bd/library/std/src/io/mod.rs:621:11
[INFO] [stdout]    7:     0x65070e0316f2 - <alloc[a8a7aba520129d98]::vec::Vec<u8> as std[ec419fa8110287d5]::io::Write>::write_fmt
[INFO] [stdout]                                at /rustc/33835004928d3bf65db4d4712e1330766263b0bd/library/std/src/io/mod.rs:1976:13
[INFO] [stdout]    8:     0x65070e00860f - <std[ec419fa8110287d5]::sys::backtrace::BacktraceLock>::print
[INFO] [stdout]                                at /rustc/33835004928d3bf65db4d4712e1330766263b0bd/library/std/src/sys/backtrace.rs:47:9
[INFO] [stdout]    9:     0x65070e00860f - std[ec419fa8110287d5]::panicking::default_hook::{closure#0}
[INFO] [stdout]                                at /rustc/33835004928d3bf65db4d4712e1330766263b0bd/library/std/src/panicking.rs:292:27
[INFO] [stdout]   10:     0x65070e023149 - std[ec419fa8110287d5]::panicking::default_hook
[INFO] [stdout]                                at /rustc/33835004928d3bf65db4d4712e1330766263b0bd/library/std/src/panicking.rs:316:9
[INFO] [stdout]   11:     0x65070df4552c - <alloc[a8a7aba520129d98]::boxed::Box<dyn for<'a, 'b> core[35159d6ffb30e017]::ops::function::Fn<(&'a std[ec419fa8110287d5]::panic::PanicHookInfo<'b>,), Output = ()> + core[35159d6ffb30e017]::marker::Sync + core[35159d6ffb30e017]::marker::Send> as core[35159d6ffb30e017]::ops::function::Fn<(&std[ec419fa8110287d5]::panic::PanicHookInfo,)>>::call
[INFO] [stdout]                                at /rustc/33835004928d3bf65db4d4712e1330766263b0bd/library/alloc/src/boxed.rs:2285:9
[INFO] [stdout]   12:     0x65070df4552c - test[a8007afcd3effadc]::test_main_inner::<test[a8007afcd3effadc]::test_main_static::{closure#0}>::{closure#0}
[INFO] [stdout]                                at /rustc/33835004928d3bf65db4d4712e1330766263b0bd/library/test/src/lib.rs:155:21
[INFO] [stdout]   13:     0x65070e023302 - <alloc[a8a7aba520129d98]::boxed::Box<dyn for<'a, 'b> core[35159d6ffb30e017]::ops::function::Fn<(&'a std[ec419fa8110287d5]::panic::PanicHookInfo<'b>,), Output = ()> + core[35159d6ffb30e017]::marker::Sync + core[35159d6ffb30e017]::marker::Send> as core[35159d6ffb30e017]::ops::function::Fn<(&std[ec419fa8110287d5]::panic::PanicHookInfo,)>>::call
[INFO] [stdout]                                at /rustc/33835004928d3bf65db4d4712e1330766263b0bd/library/alloc/src/boxed.rs:2285:9
[INFO] [stdout]   14:     0x65070e023302 - std[ec419fa8110287d5]::panicking::panic_with_hook
[INFO] [stdout]                                at /rustc/33835004928d3bf65db4d4712e1330766263b0bd/library/std/src/panicking.rs:833:13
[INFO] [stdout]   15:     0x65070e0086c8 - std[ec419fa8110287d5]::panicking::panic_handler::{closure#0}
[INFO] [stdout]                                at /rustc/33835004928d3bf65db4d4712e1330766263b0bd/library/std/src/panicking.rs:698:13
[INFO] [stdout]   16:     0x65070dfffe39 - std[ec419fa8110287d5]::sys::backtrace::__rust_end_short_backtrace::<std[ec419fa8110287d5]::panicking::panic_handler::{closure#0}, !>
[INFO] [stdout]                                at /rustc/33835004928d3bf65db4d4712e1330766263b0bd/library/std/src/sys/backtrace.rs:182:18
[INFO] [stdout]   17:     0x65070e00946d - __rustc[cfb3622dd870db93]::rust_begin_unwind
[INFO] [stdout]                                at /rustc/33835004928d3bf65db4d4712e1330766263b0bd/library/std/src/panicking.rs:689:5
[INFO] [stdout]   18:     0x65070e04299c - core[35159d6ffb30e017]::panicking::panic_fmt
[INFO] [stdout]                                at /rustc/33835004928d3bf65db4d4712e1330766263b0bd/library/core/src/panicking.rs:80:14
[INFO] [stdout]   19:     0x65070dfb0708 - core[35159d6ffb30e017]::panicking::panic_display::<assert_cmd[35950e0b123f7429]::assert::AssertError>
[INFO] [stdout]                                at /rustc/33835004928d3bf65db4d4712e1330766263b0bd/library/core/src/panicking.rs:259:5
[INFO] [stdout]   20:     0x65070dfae9f7 - <assert_cmd[35950e0b123f7429]::assert::AssertError>::panic::<assert_cmd[35950e0b123f7429]::assert::Assert>
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/assert_cmd-2.2.1/src/assert.rs:1036:9
[INFO] [stdout]   21:     0x65070dfb42b7 - <<assert_cmd[35950e0b123f7429]::assert::AssertError>::panic<assert_cmd[35950e0b123f7429]::assert::Assert> as core[35159d6ffb30e017]::ops::function::FnOnce<(assert_cmd[35950e0b123f7429]::assert::AssertError,)>>::call_once
[INFO] [stdout]                                at /rustc/33835004928d3bf65db4d4712e1330766263b0bd/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   22:     0x65070dfb4634 - <core[35159d6ffb30e017]::result::Result<assert_cmd[35950e0b123f7429]::assert::Assert, assert_cmd[35950e0b123f7429]::assert::AssertError>>::unwrap_or_else::<<assert_cmd[35950e0b123f7429]::assert::AssertError>::panic<assert_cmd[35950e0b123f7429]::assert::Assert>>
[INFO] [stdout]                                at /rustc/33835004928d3bf65db4d4712e1330766263b0bd/library/core/src/result.rs:1622:23
[INFO] [stdout]   23:     0x65070dfb1f90 - <assert_cmd[35950e0b123f7429]::assert::Assert>::success
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/assert_cmd-2.2.1/src/assert.rs:161:28
[INFO] [stdout]   24:     0x65070df37513 - integration[c26367521ce6f8e0]::plugin_with_bad_executable_does_not_count_as_lint_failure
[INFO] [stdout]                                at /opt/rustwide/workdir/tests/integration/test_check.rs:172:10
[INFO] [stdout]   25:     0x65070df2de47 - integration[c26367521ce6f8e0]::plugin_with_bad_executable_does_not_count_as_lint_failure::{closure#0}
[INFO] [stdout]                                at /opt/rustwide/workdir/tests/integration/test_check.rs:161:63
[INFO] [stdout]   26:     0x65070df38766 - <integration[c26367521ce6f8e0]::plugin_with_bad_executable_does_not_count_as_lint_failure::{closure#0} as core[35159d6ffb30e017]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]                                at /rustc/33835004928d3bf65db4d4712e1330766263b0bd/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   27:     0x65070df3880b - <fn() -> core[35159d6ffb30e017]::result::Result<(), alloc[a8a7aba520129d98]::string::String> as core[35159d6ffb30e017]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]                                at /rustc/33835004928d3bf65db4d4712e1330766263b0bd/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   28:     0x65070df3880b - test[a8007afcd3effadc]::__rust_begin_short_backtrace::<core[35159d6ffb30e017]::result::Result<(), alloc[a8a7aba520129d98]::string::String>, fn() -> core[35159d6ffb30e017]::result::Result<(), alloc[a8a7aba520129d98]::string::String>>
[INFO] [stdout]                                at /rustc/33835004928d3bf65db4d4712e1330766263b0bd/library/test/src/lib.rs:724:18
[INFO] [stdout]   29:     0x65070df45ffb - test[a8007afcd3effadc]::run_test_in_process::{closure#0}
[INFO] [stdout]                                at /rustc/33835004928d3bf65db4d4712e1330766263b0bd/library/test/src/lib.rs:747:74
[INFO] [stdout]   30:     0x65070df45ffb - <core[35159d6ffb30e017]::panic::unwind_safe::AssertUnwindSafe<test[a8007afcd3effadc]::run_test_in_process::{closure#0}> as core[35159d6ffb30e017]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]                                at /rustc/33835004928d3bf65db4d4712e1330766263b0bd/library/core/src/panic/unwind_safe.rs:275:9
[INFO] [stdout]   31:     0x65070df45ffb - std[ec419fa8110287d5]::panicking::catch_unwind::do_call::<core[35159d6ffb30e017]::panic::unwind_safe::AssertUnwindSafe<test[a8007afcd3effadc]::run_test_in_process::{closure#0}>, core[35159d6ffb30e017]::result::Result<(), alloc[a8a7aba520129d98]::string::String>>
[INFO] [stdout]                                at /rustc/33835004928d3bf65db4d4712e1330766263b0bd/library/std/src/panicking.rs:581:40
[INFO] [stdout]   32:     0x65070df45ffb - std[ec419fa8110287d5]::panicking::catch_unwind::<core[35159d6ffb30e017]::result::Result<(), alloc[a8a7aba520129d98]::string::String>, core[35159d6ffb30e017]::panic::unwind_safe::AssertUnwindSafe<test[a8007afcd3effadc]::run_test_in_process::{closure#0}>>
[INFO] [stdout]                                at /rustc/33835004928d3bf65db4d4712e1330766263b0bd/library/std/src/panicking.rs:544:19
[INFO] [stdout]   33:     0x65070df45ffb - std[ec419fa8110287d5]::panic::catch_unwind::<core[35159d6ffb30e017]::panic::unwind_safe::AssertUnwindSafe<test[a8007afcd3effadc]::run_test_in_process::{closure#0}>, core[35159d6ffb30e017]::result::Result<(), alloc[a8a7aba520129d98]::string::String>>
[INFO] [stdout]                                at /rustc/33835004928d3bf65db4d4712e1330766263b0bd/library/std/src/panic.rs:359:14
[INFO] [stdout]   34:     0x65070df45ffb - test[a8007afcd3effadc]::run_test_in_process
[INFO] [stdout]                                at /rustc/33835004928d3bf65db4d4712e1330766263b0bd/library/test/src/lib.rs:747:27
[INFO] [stdout]   35:     0x65070df45ffb - test[a8007afcd3effadc]::run_test::{closure#0}
[INFO] [stdout]                                at /rustc/33835004928d3bf65db4d4712e1330766263b0bd/library/test/src/lib.rs:668:43
[INFO] [stdout]   36:     0x65070df409d4 - test[a8007afcd3effadc]::run_test::{closure#1}
[INFO] [stdout]                                at /rustc/33835004928d3bf65db4d4712e1330766263b0bd/library/test/src/lib.rs:698:41
[INFO] [stdout]   37:     0x65070df409d4 - std[ec419fa8110287d5]::sys::backtrace::__rust_begin_short_backtrace::<test[a8007afcd3effadc]::run_test::{closure#1}, ()>
[INFO] [stdout]                                at /rustc/33835004928d3bf65db4d4712e1330766263b0bd/library/std/src/sys/backtrace.rs:166:18
[INFO] [stdout]   38:     0x65070df48c02 - std[ec419fa8110287d5]::thread::lifecycle::spawn_unchecked::<test[a8007afcd3effadc]::run_test::{closure#1}, ()>::{closure#1}::{closure#0}
[INFO] [stdout]                                at /rustc/33835004928d3bf65db4d4712e1330766263b0bd/library/std/src/thread/lifecycle.rs:70:13
[INFO] [stdout]   39:     0x65070df48c02 - <core[35159d6ffb30e017]::panic::unwind_safe::AssertUnwindSafe<std[ec419fa8110287d5]::thread::lifecycle::spawn_unchecked<test[a8007afcd3effadc]::run_test::{closure#1}, ()>::{closure#1}::{closure#0}> as core[35159d6ffb30e017]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]                                at /rustc/33835004928d3bf65db4d4712e1330766263b0bd/library/core/src/panic/unwind_safe.rs:275:9
[INFO] [stdout]   40:     0x65070df48c02 - std[ec419fa8110287d5]::panicking::catch_unwind::do_call::<core[35159d6ffb30e017]::panic::unwind_safe::AssertUnwindSafe<std[ec419fa8110287d5]::thread::lifecycle::spawn_unchecked<test[a8007afcd3effadc]::run_test::{closure#1}, ()>::{closure#1}::{closure#0}>, ()>
[INFO] [stdout]                                at /rustc/33835004928d3bf65db4d4712e1330766263b0bd/library/std/src/panicking.rs:581:40
[INFO] [stdout]   41:     0x65070df48c02 - std[ec419fa8110287d5]::panicking::catch_unwind::<(), core[35159d6ffb30e017]::panic::unwind_safe::AssertUnwindSafe<std[ec419fa8110287d5]::thread::lifecycle::spawn_unchecked<test[a8007afcd3effadc]::run_test::{closure#1}, ()>::{closure#1}::{closure#0}>>
[INFO] [stdout]                                at /rustc/33835004928d3bf65db4d4712e1330766263b0bd/library/std/src/panicking.rs:544:19
[INFO] [stdout]   42:     0x65070df48c02 - std[ec419fa8110287d5]::panic::catch_unwind::<core[35159d6ffb30e017]::panic::unwind_safe::AssertUnwindSafe<std[ec419fa8110287d5]::thread::lifecycle::spawn_unchecked<test[a8007afcd3effadc]::run_test::{closure#1}, ()>::{closure#1}::{closure#0}>, ()>
[INFO] [stdout]                                at /rustc/33835004928d3bf65db4d4712e1330766263b0bd/library/std/src/panic.rs:359:14
[INFO] [stdout]   43:     0x65070df48c02 - std[ec419fa8110287d5]::thread::lifecycle::spawn_unchecked::<test[a8007afcd3effadc]::run_test::{closure#1}, ()>::{closure#1}
[INFO] [stdout]                                at /rustc/33835004928d3bf65db4d4712e1330766263b0bd/library/std/src/thread/lifecycle.rs:68:26
[INFO] [stdout]   44:     0x65070df48c02 - <std[ec419fa8110287d5]::thread::lifecycle::spawn_unchecked<test[a8007afcd3effadc]::run_test::{closure#1}, ()>::{closure#1} as core[35159d6ffb30e017]::ops::function::FnOnce<()>>::call_once::{shim:vtable#0}
[INFO] [stdout]                                at /rustc/33835004928d3bf65db4d4712e1330766263b0bd/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   45:     0x65070e02acdf - <alloc[a8a7aba520129d98]::boxed::Box<dyn core[35159d6ffb30e017]::ops::function::FnOnce<(), Output = ()> + core[35159d6ffb30e017]::marker::Send> as core[35159d6ffb30e017]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]                                at /rustc/33835004928d3bf65db4d4712e1330766263b0bd/library/alloc/src/boxed.rs:2271:9
[INFO] [stdout]   46:     0x65070e02acdf - <std[ec419fa8110287d5]::sys::thread::unix::Thread>::new::thread_start
[INFO] [stdout]                                at /rustc/33835004928d3bf65db4d4712e1330766263b0bd/library/std/src/sys/thread/unix.rs:118:17
[INFO] [stdout]   47:     0x79f6b45d8aa4 - <unknown>
[INFO] [stdout]   48:     0x79f6b4665a64 - clone
[INFO] [stdout]   49:                0x0 - <unknown>
[INFO] [stdout] 
[INFO] [stdout] ---- noqa_bare_suppresses_ruffian_violation stdout ----
[INFO] [stdout] 
[INFO] [stdout] thread 'noqa_bare_suppresses_ruffian_violation' (57) panicked at /rustc/33835004928d3bf65db4d4712e1330766263b0bd/library/core/src/ops/function.rs:250:5:
[INFO] [stdout] Unexpected failure.
[INFO] [stdout] code=1
[INFO] [stdout] stderr=``````
[INFO] [stdout] Error: failed to spawn ruff — is it installed and on PATH?
[INFO] [stdout] 
[INFO] [stdout] Caused by:
[INFO] [stdout]     No such file or directory (os error 2)
[INFO] [stdout] 
[INFO] [stdout] Stack backtrace:
[INFO] [stdout]    0: <std::io::error::Error as anyhow::context::ext::StdError>::ext_context::<&str>
[INFO] [stdout]              at /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/anyhow-1.0.102/src/backtrace.rs:10:14
[INFO] [stdout]    1: <core::result::Result<std::process::Output, std::io::error::Error> as anyhow::Context<std::process::Output, std::io::error::Error>>::context::<&str>
[INFO] [stdout]              at /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/anyhow-1.0.102/src/context.rs:54:37
[INFO] [stdout]    2: ruffian::ruff::check
[INFO] [stdout]              at /opt/rustwide/workdir/src/ruff.rs:34:10
[INFO] [stdout]    3: ruffian::runner::run_check::{closure#1}
[INFO] [stdout]              at /opt/rustwide/workdir/src/runner.rs:44:9
[INFO] [stdout]    4: std::sys::backtrace::__rust_begin_short_backtrace::<ruffian::runner::run_check::{closure#1}, core::result::Result<alloc::vec::Vec<ruffian::ruff::Violation>, anyhow::Error>>
[INFO] [stdout]              at /rustc/33835004928d3bf65db4d4712e1330766263b0bd/library/std/src/sys/backtrace.rs:166:18
[INFO] [stdout]    5: std::thread::lifecycle::spawn_unchecked::<ruffian::runner::run_check::{closure#1}, core::result::Result<alloc::vec::Vec<ruffian::ruff::Violation>, anyhow::Error>>::{closure#1}::{closure#0}
[INFO] [stdout]              at /rustc/33835004928d3bf65db4d4712e1330766263b0bd/library/std/src/thread/lifecycle.rs:70:13
[INFO] [stdout]    6: <core::panic::unwind_safe::AssertUnwindSafe<std::thread::lifecycle::spawn_unchecked<ruffian::runner::run_check::{closure#1}, core::result::Result<alloc::vec::Vec<ruffian::ruff::Violation>, anyhow::Error>>::{closure#1}::{closure#0}> as core::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]              at /rustc/33835004928d3bf65db4d4712e1330766263b0bd/library/core/src/panic/unwind_safe.rs:275:9
[INFO] [stdout]    7: std::panicking::catch_unwind::do_call::<core::panic::unwind_safe::AssertUnwindSafe<std::thread::lifecycle::spawn_unchecked<ruffian::runner::run_check::{closure#1}, core::result::Result<alloc::vec::Vec<ruffian::ruff::Violation>, anyhow::Error>>::{closure#1}::{closure#0}>, core::result::Result<alloc::vec::Vec<ruffian::ruff::Violation>, anyhow::Error>>
[INFO] [stdout]              at /rustc/33835004928d3bf65db4d4712e1330766263b0bd/library/std/src/panicking.rs:581:40
[INFO] [stdout]    8: __rust_try
[INFO] [stdout]    9: std::panicking::catch_unwind::<core::result::Result<alloc::vec::Vec<ruffian::ruff::Violation>, anyhow::Error>, core::panic::unwind_safe::AssertUnwindSafe<std::thread::lifecycle::spawn_unchecked<ruffian::runner::run_check::{closure#1}, core::result::Result<alloc::vec::Vec<ruffian::ruff::Violation>, anyhow::Error>>::{closure#1}::{closure#0}>>
[INFO] [stdout]              at /rustc/33835004928d3bf65db4d4712e1330766263b0bd/library/std/src/panicking.rs:544:19
[INFO] [stdout]   10: std::panic::catch_unwind::<core::panic::unwind_safe::AssertUnwindSafe<std::thread::lifecycle::spawn_unchecked<ruffian::runner::run_check::{closure#1}, core::result::Result<alloc::vec::Vec<ruffian::ruff::Violation>, anyhow::Error>>::{closure#1}::{closure#0}>, core::result::Result<alloc::vec::Vec<ruffian::ruff::Violation>, anyhow::Error>>
[INFO] [stdout]              at /rustc/33835004928d3bf65db4d4712e1330766263b0bd/library/std/src/panic.rs:359:14
[INFO] [stdout]   11: std::thread::lifecycle::spawn_unchecked::<ruffian::runner::run_check::{closure#1}, core::result::Result<alloc::vec::Vec<ruffian::ruff::Violation>, anyhow::Error>>::{closure#1}
[INFO] [stdout]              at /rustc/33835004928d3bf65db4d4712e1330766263b0bd/library/std/src/thread/lifecycle.rs:68:26
[INFO] [stdout]   12: <std::thread::lifecycle::spawn_unchecked<ruffian::runner::run_check::{closure#1}, core::result::Result<alloc::vec::Vec<ruffian::ruff::Violation>, anyhow::Error>>::{closure#1} as core::ops::function::FnOnce<()>>::call_once::{shim:vtable#0}
[INFO] [stdout]              at /rustc/33835004928d3bf65db4d4712e1330766263b0bd/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   13: <alloc::boxed::Box<dyn core::ops::function::FnOnce<(), Output = ()> + core::marker::Send> as core::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]              at /rustc/33835004928d3bf65db4d4712e1330766263b0bd/library/alloc/src/boxed.rs:2271:9
[INFO] [stdout]   14: <std::sys::thread::unix::Thread>::new::thread_start
[INFO] [stdout]              at /rustc/33835004928d3bf65db4d4712e1330766263b0bd/library/std/src/sys/thread/unix.rs:118:17
[INFO] [stdout]   15: <unknown>
[INFO] [stdout]   16: clone
[INFO] [stdout] ```
[INFO] [stdout] ```
[INFO] [stdout] command=`cd "/tmp/.tmp6Cqy02" && "/opt/rustwide/target/debug/ruffian" "check" "/tmp/.tmp6Cqy02/long.py"`
[INFO] [stdout] code=1
[INFO] [stdout] stdout=""
[INFO] [stdout] stderr=```
[INFO] [stdout] Error: failed to spawn ruff — is it installed and on PATH?
[INFO] [stdout] 
[INFO] [stdout] Caused by:
[INFO] [stdout]     No such file or directory (os error 2)
[INFO] [stdout] 
[INFO] [stdout] Stack backtrace:
[INFO] [stdout]    0: <std::io::error::Error as anyhow::context::ext::StdError>::ext_context::<&str>
[INFO] [stdout]              at /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/anyhow-1.0.102/src/backtrace.rs:10:14
[INFO] [stdout]    1: <core::result::Result<std::process::Output, std::io::error::Error> as anyhow::Context<std::process::Output, std::io::error::Error>>::context::<&str>
[INFO] [stdout]              at /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/anyhow-1.0.102/src/context.rs:54:37
[INFO] [stdout]    2: ruffian::ruff::check
[INFO] [stdout]              at /opt/rustwide/workdir/src/ruff.rs:34:10
[INFO] [stdout]    3: ruffian::runner::run_check::{closure#1}
[INFO] [stdout]              at /opt/rustwide/workdir/src/runner.rs:44:9
[INFO] [stdout]    4: std::sys::backtrace::__rust_begin_short_backtrace::<ruffian::runner::run_check::{closure#1}, core::result::Result<alloc::vec::Vec<ruffian::ruff::Violation>, anyhow::Error>>
[INFO] [stdout]              at /rustc/33835004928d3bf65db4d4712e1330766263b0bd/library/std/src/sys/backtrace.rs:166:18
[INFO] [stdout]    5: std::thread::lifecycle::spawn_unchecked::<ruffian::runner::run_check::{closure#1}, core::result::Result<alloc::vec::Vec<ruffian::ruff::Violation>, anyhow::Error>>::{closure#1}::{closure#0}
[INFO] [stdout]              at /rustc/33835004928d3bf65db4d4712e1330766263b0bd/library/std/src/thread/lifecycle.rs:70:13
[INFO] [stdout]    6: <core::panic::unwind_safe::AssertUnwindSafe<std::thread::lifecycle::spawn_unchecked<ruffian::runner::run_check::{closure#1}, core::result::Result<alloc::vec::Vec<ruffian::ruff::Violation>, anyhow::Error>>::{closure#1}::{closure#0}> as core::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]              at /rustc/33835004928d3bf65db4d4712e1330766263b0bd/library/core/src/panic/unwind_safe.rs:275:9
[INFO] [stdout]    7: std::panicking::catch_unwind::do_call::<core::panic::unwind_safe::AssertUnwindSafe<std::thread::lifecycle::spawn_unchecked<ruffian::runner::run_check::{closure#1}, core::result::Result<alloc::vec::Vec<ruffian::ruff::Violation>, anyhow::Error>>::{closure#1}::{closure#0}>, core::result::Result<alloc::vec::Vec<ruffian::ruff::Violation>, anyhow::Error>>
[INFO] [stdout]              at /rustc/33835004928d3bf65db4d4712e1330766263b0bd/library/std/src/panicking.rs:581:40
[INFO] [stdout]    8: __rust_try
[INFO] [stdout]    9: std::panicking::catch_unwind::<core::result::Result<alloc::vec::Vec<ruffian::ruff::Violation>, anyhow::Error>, core::panic::unwind_safe::AssertUnwindSafe<std::thread::lifecycle::spawn_unchecked<ruffian::runner::run_check::{closure#1}, core::result::Result<alloc::vec::Vec<ruffian::ruff::Violation>, anyhow::Error>>::{closure#1}::{closure#0}>>
[INFO] [stdout]              at /rustc/33835004928d3bf65db4d4712e1330766263b0bd/library/std/src/panicking.rs:544:19
[INFO] [stdout]   10: std::panic::catch_unwind::<core::panic::unwind_safe::AssertUnwindSafe<std::thread::lifecycle::spawn_unchecked<ruffian::runner::run_check::{closure#1}, core::result::Result<alloc::vec::Vec<ruffian::ruff::Violation>, anyhow::Error>>::{closure#1}::{closure#0}>, core::result::Result<alloc::vec::Vec<ruffian::ruff::Violation>, anyhow::Error>>
[INFO] [stdout]              at /rustc/33835004928d3bf65db4d4712e1330766263b0bd/library/std/src/panic.rs:359:14
[INFO] [stdout]   11: std::thread::lifecycle::spawn_unchecked::<ruffian::runner::run_check::{closure#1}, core::result::Result<alloc::vec::Vec<ruffian::ruff::Violation>, anyhow::Error>>::{closure#1}
[INFO] [stdout]              at /rustc/33835004928d3bf65db4d4712e1330766263b0bd/library/std/src/thread/lifecycle.rs:68:26
[INFO] [stdout]   12: <std::thread::lifecycle::spawn_unchecked<ruffian::runner::run_check::{closure#1}, core::result::Result<alloc::vec::Vec<ruffian::ruff::Violation>, anyhow::Error>>::{closure#1} as core::ops::function::FnOnce<()>>::call_once::{shim:vtable#0}
[INFO] [stdout]              at /rustc/33835004928d3bf65db4d4712e1330766263b0bd/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   13: <alloc::boxed::Box<dyn core::ops::function::FnOnce<(), Output = ()> + core::marker::Send> as core::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]              at /rustc/33835004928d3bf65db4d4712e1330766263b0bd/library/alloc/src/boxed.rs:2271:9
[INFO] [stdout]   14: <std::sys::thread::unix::Thread>::new::thread_start
[INFO] [stdout]              at /rustc/33835004928d3bf65db4d4712e1330766263b0bd/library/std/src/sys/thread/unix.rs:118:17
[INFO] [stdout]   15: <unknown>
[INFO] [stdout]   16: clone
[INFO] [stdout] ```
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] stack backtrace:
[INFO] [stdout]    0:     0x65070e02b96a - std[ec419fa8110287d5]::backtrace_rs::backtrace::libunwind::trace
[INFO] [stdout]                                at /rustc/33835004928d3bf65db4d4712e1330766263b0bd/library/std/src/../../backtrace/src/backtrace/libunwind.rs:117:9
[INFO] [stdout]    1:     0x65070e02b96a - std[ec419fa8110287d5]::backtrace_rs::backtrace::trace_unsynchronized::<std[ec419fa8110287d5]::sys::backtrace::_print_fmt::{closure#1}>
[INFO] [stdout]                                at /rustc/33835004928d3bf65db4d4712e1330766263b0bd/library/std/src/../../backtrace/src/backtrace/mod.rs:66:14
[INFO] [stdout]    2:     0x65070e02b96a - std[ec419fa8110287d5]::sys::backtrace::_print_fmt
[INFO] [stdout]                                at /rustc/33835004928d3bf65db4d4712e1330766263b0bd/library/std/src/sys/backtrace.rs:74:9
[INFO] [stdout]    3:     0x65070e02b96a - <<std[ec419fa8110287d5]::sys::backtrace::BacktraceLock>::print::DisplayBacktrace as core[35159d6ffb30e017]::fmt::Display>::fmt
[INFO] [stdout]                                at /rustc/33835004928d3bf65db4d4712e1330766263b0bd/library/std/src/sys/backtrace.rs:44:26
[INFO] [stdout]    4:     0x65070e04218a - <core[35159d6ffb30e017]::fmt::rt::Argument>::fmt
[INFO] [stdout]                                at /rustc/33835004928d3bf65db4d4712e1330766263b0bd/library/core/src/fmt/rt.rs:152:76
[INFO] [stdout]    5:     0x65070e04218a - core[35159d6ffb30e017]::fmt::write
[INFO] [stdout]    6:     0x65070e0316f2 - std[ec419fa8110287d5]::io::default_write_fmt::<alloc[a8a7aba520129d98]::vec::Vec<u8>>
[INFO] [stdout]                                at /rustc/33835004928d3bf65db4d4712e1330766263b0bd/library/std/src/io/mod.rs:621:11
[INFO] [stdout]    7:     0x65070e0316f2 - <alloc[a8a7aba520129d98]::vec::Vec<u8> as std[ec419fa8110287d5]::io::Write>::write_fmt
[INFO] [stdout]                                at /rustc/33835004928d3bf65db4d4712e1330766263b0bd/library/std/src/io/mod.rs:1976:13
[INFO] [stdout]    8:     0x65070e00860f - <std[ec419fa8110287d5]::sys::backtrace::BacktraceLock>::print
[INFO] [stdout]                                at /rustc/33835004928d3bf65db4d4712e1330766263b0bd/library/std/src/sys/backtrace.rs:47:9
[INFO] [stdout]    9:     0x65070e00860f - std[ec419fa8110287d5]::panicking::default_hook::{closure#0}
[INFO] [stdout]                                at /rustc/33835004928d3bf65db4d4712e1330766263b0bd/library/std/src/panicking.rs:292:27
[INFO] [stdout]   10:     0x65070e023149 - std[ec419fa8110287d5]::panicking::default_hook
[INFO] [stdout]                                at /rustc/33835004928d3bf65db4d4712e1330766263b0bd/library/std/src/panicking.rs:316:9
[INFO] [stdout]   11:     0x65070df4552c - <alloc[a8a7aba520129d98]::boxed::Box<dyn for<'a, 'b> core[35159d6ffb30e017]::ops::function::Fn<(&'a std[ec419fa8110287d5]::panic::PanicHookInfo<'b>,), Output = ()> + core[35159d6ffb30e017]::marker::Sync + core[35159d6ffb30e017]::marker::Send> as core[35159d6ffb30e017]::ops::function::Fn<(&std[ec419fa8110287d5]::panic::PanicHookInfo,)>>::call
[INFO] [stdout]                                at /rustc/33835004928d3bf65db4d4712e1330766263b0bd/library/alloc/src/boxed.rs:2285:9
[INFO] [stdout]   12:     0x65070df4552c - test[a8007afcd3effadc]::test_main_inner::<test[a8007afcd3effadc]::test_main_static::{closure#0}>::{closure#0}
[INFO] [stdout]                                at /rustc/33835004928d3bf65db4d4712e1330766263b0bd/library/test/src/lib.rs:155:21
[INFO] [stdout]   13:     0x65070e023302 - <alloc[a8a7aba520129d98]::boxed::Box<dyn for<'a, 'b> core[35159d6ffb30e017]::ops::function::Fn<(&'a std[ec419fa8110287d5]::panic::PanicHookInfo<'b>,), Output = ()> + core[35159d6ffb30e017]::marker::Sync + core[35159d6ffb30e017]::marker::Send> as core[35159d6ffb30e017]::ops::function::Fn<(&std[ec419fa8110287d5]::panic::PanicHookInfo,)>>::call
[INFO] [stdout]                                at /rustc/33835004928d3bf65db4d4712e1330766263b0bd/library/alloc/src/boxed.rs:2285:9
[INFO] [stdout]   14:     0x65070e023302 - std[ec419fa8110287d5]::panicking::panic_with_hook
[INFO] [stdout]                                at /rustc/33835004928d3bf65db4d4712e1330766263b0bd/library/std/src/panicking.rs:833:13
[INFO] [stdout]   15:     0x65070e0086c8 - std[ec419fa8110287d5]::panicking::panic_handler::{closure#0}
[INFO] [stdout]                                at /rustc/33835004928d3bf65db4d4712e1330766263b0bd/library/std/src/panicking.rs:698:13
[INFO] [stdout]   16:     0x65070dfffe39 - std[ec419fa8110287d5]::sys::backtrace::__rust_end_short_backtrace::<std[ec419fa8110287d5]::panicking::panic_handler::{closure#0}, !>
[INFO] [stdout]                                at /rustc/33835004928d3bf65db4d4712e1330766263b0bd/library/std/src/sys/backtrace.rs:182:18
[INFO] [stdout]   17:     0x65070e00946d - __rustc[cfb3622dd870db93]::rust_begin_unwind
[INFO] [stdout]                                at /rustc/33835004928d3bf65db4d4712e1330766263b0bd/library/std/src/panicking.rs:689:5
[INFO] [stdout]   18:     0x65070e04299c - core[35159d6ffb30e017]::panicking::panic_fmt
[INFO] [stdout]                                at /rustc/33835004928d3bf65db4d4712e1330766263b0bd/library/core/src/panicking.rs:80:14
[INFO] [stdout]   19:     0x65070dfb0708 - core[35159d6ffb30e017]::panicking::panic_display::<assert_cmd[35950e0b123f7429]::assert::AssertError>
[INFO] [stdout]                                at /rustc/33835004928d3bf65db4d4712e1330766263b0bd/library/core/src/panicking.rs:259:5
[INFO] [stdout]   20:     0x65070dfae9f7 - <assert_cmd[35950e0b123f7429]::assert::AssertError>::panic::<assert_cmd[35950e0b123f7429]::assert::Assert>
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/assert_cmd-2.2.1/src/assert.rs:1036:9
[INFO] [stdout]   21:     0x65070dfb42b7 - <<assert_cmd[35950e0b123f7429]::assert::AssertError>::panic<assert_cmd[35950e0b123f7429]::assert::Assert> as core[35159d6ffb30e017]::ops::function::FnOnce<(assert_cmd[35950e0b123f7429]::assert::AssertError,)>>::call_once
[INFO] [stdout]                                at /rustc/33835004928d3bf65db4d4712e1330766263b0bd/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   22:     0x65070dfb4634 - <core[35159d6ffb30e017]::result::Result<assert_cmd[35950e0b123f7429]::assert::Assert, assert_cmd[35950e0b123f7429]::assert::AssertError>>::unwrap_or_else::<<assert_cmd[35950e0b123f7429]::assert::AssertError>::panic<assert_cmd[35950e0b123f7429]::assert::Assert>>
[INFO] [stdout]                                at /rustc/33835004928d3bf65db4d4712e1330766263b0bd/library/core/src/result.rs:1622:23
[INFO] [stdout]   23:     0x65070dfb1f90 - <assert_cmd[35950e0b123f7429]::assert::Assert>::success
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/assert_cmd-2.2.1/src/assert.rs:161:28
[INFO] [stdout]   24:     0x65070df315c9 - integration[c26367521ce6f8e0]::noqa_bare_suppresses_ruffian_violation
[INFO] [stdout]                                at /opt/rustwide/workdir/tests/integration/test_check.rs:390:10
[INFO] [stdout]   25:     0x65070df2db47 - integration[c26367521ce6f8e0]::noqa_bare_suppresses_ruffian_violation::{closure#0}
[INFO] [stdout]                                at /opt/rustwide/workdir/tests/integration/test_check.rs:368:44
[INFO] [stdout]   26:     0x65070df38366 - <integration[c26367521ce6f8e0]::noqa_bare_suppresses_ruffian_violation::{closure#0} as core[35159d6ffb30e017]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]                                at /rustc/33835004928d3bf65db4d4712e1330766263b0bd/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   27:     0x65070df3880b - <fn() -> core[35159d6ffb30e017]::result::Result<(), alloc[a8a7aba520129d98]::string::String> as core[35159d6ffb30e017]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]                                at /rustc/33835004928d3bf65db4d4712e1330766263b0bd/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   28:     0x65070df3880b - test[a8007afcd3effadc]::__rust_begin_short_backtrace::<core[35159d6ffb30e017]::result::Result<(), alloc[a8a7aba520129d98]::string::String>, fn() -> core[35159d6ffb30e017]::result::Result<(), alloc[a8a7aba520129d98]::string::String>>
[INFO] [stdout]                                at /rustc/33835004928d3bf65db4d4712e1330766263b0bd/library/test/src/lib.rs:724:18
[INFO] [stdout]   29:     0x65070df45ffb - test[a8007afcd3effadc]::run_test_in_process::{closure#0}
[INFO] [stdout]                                at /rustc/33835004928d3bf65db4d4712e1330766263b0bd/library/test/src/lib.rs:747:74
[INFO] [stdout]   30:     0x65070df45ffb - <core[35159d6ffb30e017]::panic::unwind_safe::AssertUnwindSafe<test[a8007afcd3effadc]::run_test_in_process::{closure#0}> as core[35159d6ffb30e017]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]                                at /rustc/33835004928d3bf65db4d4712e1330766263b0bd/library/core/src/panic/unwind_safe.rs:275:9
[INFO] [stdout]   31:     0x65070df45ffb - std[ec419fa8110287d5]::panicking::catch_unwind::do_call::<core[35159d6ffb30e017]::panic::unwind_safe::AssertUnwindSafe<test[a8007afcd3effadc]::run_test_in_process::{closure#0}>, core[35159d6ffb30e017]::result::Result<(), alloc[a8a7aba520129d98]::string::String>>
[INFO] [stdout]                                at /rustc/33835004928d3bf65db4d4712e1330766263b0bd/library/std/src/panicking.rs:581:40
[INFO] [stdout]   32:     0x65070df45ffb - std[ec419fa8110287d5]::panicking::catch_unwind::<core[35159d6ffb30e017]::result::Result<(), alloc[a8a7aba520129d98]::string::String>, core[35159d6ffb30e017]::panic::unwind_safe::AssertUnwindSafe<test[a8007afcd3effadc]::run_test_in_process::{closure#0}>>
[INFO] [stdout]                                at /rustc/33835004928d3bf65db4d4712e1330766263b0bd/library/std/src/panicking.rs:544:19
[INFO] [stdout]   33:     0x65070df45ffb - std[ec419fa8110287d5]::panic::catch_unwind::<core[35159d6ffb30e017]::panic::unwind_safe::AssertUnwindSafe<test[a8007afcd3effadc]::run_test_in_process::{closure#0}>, core[35159d6ffb30e017]::result::Result<(), alloc[a8a7aba520129d98]::string::String>>
[INFO] [stdout]                                at /rustc/33835004928d3bf65db4d4712e1330766263b0bd/library/std/src/panic.rs:359:14
[INFO] [stdout]   34:     0x65070df45ffb - test[a8007afcd3effadc]::run_test_in_process
[INFO] [stdout]                                at /rustc/33835004928d3bf65db4d4712e1330766263b0bd/library/test/src/lib.rs:747:27
[INFO] [stdout]   35:     0x65070df45ffb - test[a8007afcd3effadc]::run_test::{closure#0}
[INFO] [stdout]                                at /rustc/33835004928d3bf65db4d4712e1330766263b0bd/library/test/src/lib.rs:668:43
[INFO] [stdout]   36:     0x65070df409d4 - test[a8007afcd3effadc]::run_test::{closure#1}
[INFO] [stdout]                                at /rustc/33835004928d3bf65db4d4712e1330766263b0bd/library/test/src/lib.rs:698:41
[INFO] [stdout]   37:     0x65070df409d4 - std[ec419fa8110287d5]::sys::backtrace::__rust_begin_short_backtrace::<test[a8007afcd3effadc]::run_test::{closure#1}, ()>
[INFO] [stdout]                                at /rustc/33835004928d3bf65db4d4712e1330766263b0bd/library/std/src/sys/backtrace.rs:166:18
[INFO] [stdout]   38:     0x65070df48c02 - std[ec419fa8110287d5]::thread::lifecycle::spawn_unchecked::<test[a8007afcd3effadc]::run_test::{closure#1}, ()>::{closure#1}::{closure#0}
[INFO] [stdout]                                at /rustc/33835004928d3bf65db4d4712e1330766263b0bd/library/std/src/thread/lifecycle.rs:70:13
[INFO] [stdout]   39:     0x65070df48c02 - <core[35159d6ffb30e017]::panic::unwind_safe::AssertUnwindSafe<std[ec419fa8110287d5]::thread::lifecycle::spawn_unchecked<test[a8007afcd3effadc]::run_test::{closure#1}, ()>::{closure#1}::{closure#0}> as core[35159d6ffb30e017]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]                                at /rustc/33835004928d3bf65db4d4712e1330766263b0bd/library/core/src/panic/unwind_safe.rs:275:9
[INFO] [stdout]   40:     0x65070df48c02 - std[ec419fa8110287d5]::panicking::catch_unwind::do_call::<core[35159d6ffb30e017]::panic::unwind_safe::AssertUnwindSafe<std[ec419fa8110287d5]::thread::lifecycle::spawn_unchecked<test[a8007afcd3effadc]::run_test::{closure#1}, ()>::{closure#1}::{closure#0}>, ()>
[INFO] [stdout]                                at /rustc/33835004928d3bf65db4d4712e1330766263b0bd/library/std/src/panicking.rs:581:40
[INFO] [stdout]   41:     0x65070df48c02 - std[ec419fa8110287d5]::panicking::catch_unwind::<(), core[35159d6ffb30e017]::panic::unwind_safe::AssertUnwindSafe<std[ec419fa8110287d5]::thread::lifecycle::spawn_unchecked<test[a8007afcd3effadc]::run_test::{closure#1}, ()>::{closure#1}::{closure#0}>>
[INFO] [stdout]                                at /rustc/33835004928d3bf65db4d4712e1330766263b0bd/library/std/src/panicking.rs:544:19
[INFO] [stdout]   42:     0x65070df48c02 - std[ec419fa8110287d5]::panic::catch_unwind::<core[35159d6ffb30e017]::panic::unwind_safe::AssertUnwindSafe<std[ec419fa8110287d5]::thread::lifecycle::spawn_unchecked<test[a8007afcd3effadc]::run_test::{closure#1}, ()>::{closure#1}::{closure#0}>, ()>
[INFO] [stdout]                                at /rustc/33835004928d3bf65db4d4712e1330766263b0bd/library/std/src/panic.rs:359:14
[INFO] [stdout]   43:     0x65070df48c02 - std[ec419fa8110287d5]::thread::lifecycle::spawn_unchecked::<test[a8007afcd3effadc]::run_test::{closure#1}, ()>::{closure#1}
[INFO] [stdout]                                at /rustc/33835004928d3bf65db4d4712e1330766263b0bd/library/std/src/thread/lifecycle.rs:68:26
[INFO] [stdout]   44:     0x65070df48c02 - <std[ec419fa8110287d5]::thread::lifecycle::spawn_unchecked<test[a8007afcd3effadc]::run_test::{closure#1}, ()>::{closure#1} as core[35159d6ffb30e017]::ops::function::FnOnce<()>>::call_once::{shim:vtable#0}
[INFO] [stdout]                                at /rustc/33835004928d3bf65db4d4712e1330766263b0bd/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   45:     0x65070e02acdf - <alloc[a8a7aba520129d98]::boxed::Box<dyn core[35159d6ffb30e017]::ops::function::FnOnce<(), Output = ()> + core[35159d6ffb30e017]::marker::Send> as core[35159d6ffb30e017]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]                                at /rustc/33835004928d3bf65db4d4712e1330766263b0bd/library/alloc/src/boxed.rs:2271:9
[INFO] [stdout]   46:     0x65070e02acdf - <std[ec419fa8110287d5]::sys::thread::unix::Thread>::new::thread_start
[INFO] [stdout]                                at /rustc/33835004928d3bf65db4d4712e1330766263b0bd/library/std/src/sys/thread/unix.rs:118:17
[INFO] [stdout]   47:     0x79f6b45d8aa4 - <unknown>
[INFO] [stdout]   48:     0x79f6b4665a64 - clone
[INFO] [stdout]   49:                0x0 - <unknown>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout]     check_clean_file_exits_zero
[INFO] [stdout]     check_directory_with_no_python_files_exits_zero
[INFO] [stdout]     fix_flag_applies_ruff_fixes_and_exits_zero
[INFO] [stdout]     format_check_exits_zero_for_well_formatted_file
[INFO] [stdout]     json_output_contains_required_violation_fields
[INFO] [stdout]     json_output_includes_ruffian_violations
[INFO] [stdout]     json_output_is_empty_array_for_clean_file
[INFO] [stdout]     json_output_is_valid_json_array
[INFO] [stdout]     noqa_bare_suppresses_ruffian_violation
[INFO] [stdout]     noqa_specific_code_suppresses_matching_violation
[INFO] [stdout]     plc0302_does_not_fire_at_exact_limit
[INFO] [stdout]     plugin_invalid_json_does_not_count_as_lint_failure
[INFO] [stdout]     plugin_nonzero_exit_does_not_count_as_lint_failure
[INFO] [stdout]     plugin_returning_empty_array_exits_zero
[INFO] [stdout]     plugin_stderr_is_forwarded
[INFO] [stdout]     plugin_with_bad_executable_does_not_count_as_lint_failure
[INFO] [stdout] 
[INFO] [stdout] test result: FAILED. 8 passed; 16 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.53s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "96dce18e96817989c2f193bb2230b0ca7108a19632397207cfc0aa5d2a383c9b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "96dce18e96817989c2f193bb2230b0ca7108a19632397207cfc0aa5d2a383c9b", kill_on_drop: false }`
[INFO] [stdout] 96dce18e96817989c2f193bb2230b0ca7108a19632397207cfc0aa5d2a383c9b
