[INFO] cloning repository https://github.com/eatPizza311/rust-python-interops
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/eatPizza311/rust-python-interops" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FeatPizza311%2Frust-python-interops", kill_on_drop: false }`
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[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] bbdb2df817c72fcb68c7fac929498f8b19bfd2fe
[INFO] testing eatPizza311/rust-python-interops against 1.94.0 for beta-1.95-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FeatPizza311%2Frust-python-interops" "/workspace/builds/worker-0-tc1/source", kill_on_drop: false }`
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[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/eatPizza311/rust-python-interops
[INFO] finished tweaking git repo https://github.com/eatPizza311/rust-python-interops
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[INFO] validating manifest of git repo https://github.com/eatPizza311/rust-python-interops on toolchain 1.94.0
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.94.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/eatPizza311/rust-python-interops 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" "+1.94.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
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[INFO] [stderr]    Compiling exceptions v0.1.0 (/opt/rustwide/workdir/exercises/01_intro/07_exceptions)
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[INFO] [stderr]    Compiling gil v0.1.0 (/opt/rustwide/workdir/exercises/01_intro/05_gil)
[INFO] [stderr]    Compiling arguments v0.1.0 (/opt/rustwide/workdir/exercises/01_intro/04_arguments)
[INFO] [stderr]    Compiling inheritance v0.1.0 (/opt/rustwide/workdir/exercises/02_classes/05_inheritance)
[INFO] [stderr]    Compiling functions v0.1.0 (/opt/rustwide/workdir/exercises/01_intro/03_functions)
[INFO] [stderr]    Compiling constructors v0.1.0 (/opt/rustwide/workdir/exercises/02_classes/01_constructors)
[INFO] [stderr]    Compiling parent v0.1.0 (/opt/rustwide/workdir/exercises/02_classes/06_parent)
[INFO] [stderr]    Compiling setters v0.1.0 (/opt/rustwide/workdir/exercises/02_classes/03_setters)
[INFO] [stdout] warning: unused import: `rayon::prelude`
[INFO] [stdout]  --> exercises/03_concurrency/04_minimize_gil_locking/src/lib.rs:8:5
[INFO] [stdout]   |
[INFO] [stdout] 8 | use rayon::prelude::*;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> exercises/03_concurrency/04_minimize_gil_locking/src/lib.rs:34:5
[INFO] [stdout]    |
[INFO] [stdout] 34 | /     python.allow_threads(|| -> PyResult<()> {
[INFO] [stdout] 35 | |         for i in 0..n_numbers {
[INFO] [stdout] 36 | |             let n = Python::with_gil(|inner_python| {
[INFO] [stdout] 37 | |                 number_ref.bind(inner_python).get_item(i)?.extract::<u64>()
[INFO] [stdout] ...  |
[INFO] [stdout] 42 | |         Ok(())
[INFO] [stdout] 43 | |     });
[INFO] [stdout]    | |______^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout]    = note: `#[warn(unused_must_use)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]    |
[INFO] [stdout] 34 |     let _ = python.allow_threads(|| -> PyResult<()> {
[INFO] [stdout]    |     +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling url v2.5.4
[INFO] [stderr]    Compiling output v0.1.0 (/opt/rustwide/workdir/exercises/01_intro/06_output)
[INFO] [stdout] warning: unused imports: `PyInt` and `PyList`
[INFO] [stdout]  --> exercises/01_intro/06_output/src/lib.rs:2:19
[INFO] [stdout]   |
[INFO] [stdout] 2 | use pyo3::types::{PyInt, PyList};
[INFO] [stdout]   |                   ^^^^^  ^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `i`
[INFO] [stdout]   --> exercises/01_intro/06_output/src/lib.rs:11:13
[INFO] [stdout]    |
[INFO] [stdout] 11 |         for i in 2..n {
[INFO] [stdout]    |             ^ help: if this is intentional, prefix it with an underscore: `_i`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling outro2 v0.1.0 (/opt/rustwide/workdir/exercises/02_classes/07_outro)
[INFO] [stderr]    Compiling gil2 v0.1.0 (/opt/rustwide/workdir/exercises/03_concurrency/02_gil)
[INFO] [stderr]    Compiling release v0.1.0 (/opt/rustwide/workdir/exercises/03_concurrency/03_releasing_the_gil)
[INFO] [stderr]    Compiling methods v0.1.0 (/opt/rustwide/workdir/exercises/02_classes/02_methods)
[INFO] [stdout] warning: use of deprecated type alias `pyo3::types::PyLong`: use `PyInt` instead
[INFO] [stdout]  --> exercises/02_classes/02_methods/src/lib.rs:4:18
[INFO] [stdout]   |
[INFO] [stdout] 4 | use pyo3::types::PyLong;
[INFO] [stdout]   |                  ^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated type alias `pyo3::types::PyLong`: use `PyInt` instead
[INFO] [stdout]   --> exercises/02_classes/02_methods/src/lib.rs:23:43
[INFO] [stdout]    |
[INFO] [stdout] 23 |     fn new(name: String, price: Bound<'_, PyLong>, quantity: Bound<'_, PyLong>) -> PyResult<Self> {
[INFO] [stdout]    |                                           ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated type alias `pyo3::types::PyLong`: use `PyInt` instead
[INFO] [stdout]   --> exercises/02_classes/02_methods/src/lib.rs:23:72
[INFO] [stdout]    |
[INFO] [stdout] 23 |     fn new(name: String, price: Bound<'_, PyLong>, quantity: Bound<'_, PyLong>) -> PyResult<Self> {
[INFO] [stdout]    |                                                                        ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling ureq v2.12.1
[INFO] [stderr]    Compiling outro3 v0.1.0 (/opt/rustwide/workdir/exercises/03_concurrency/06_outro)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 40.46s
[INFO] running `Command { std: "docker" "inspect" "0eee23e3349b845ca6944a4aa9edb02494db69c510ad255fb84f249f0ea1254f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0eee23e3349b845ca6944a4aa9edb02494db69c510ad255fb84f249f0ea1254f", kill_on_drop: false }`
[INFO] [stdout] 0eee23e3349b845ca6944a4aa9edb02494db69c510ad255fb84f249f0ea1254f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-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" "+1.94.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 28d626712ae3e569095ece4b298c48845a325a93b87835dc4959fff8d3f615ad
[INFO] running `Command { std: "docker" "start" "-a" "28d626712ae3e569095ece4b298c48845a325a93b87835dc4959fff8d3f615ad", kill_on_drop: false }`
[INFO] [stderr]    Compiling welcome v0.1.0 (/opt/rustwide/workdir/exercises/01_intro/00_welcome)
[INFO] [stderr]    Compiling verifier v0.1.0 (/opt/rustwide/workdir/verifier)
[INFO] [stderr]    Compiling release v0.1.0 (/opt/rustwide/workdir/exercises/03_concurrency/03_releasing_the_gil)
[INFO] [stderr]    Compiling gil v0.1.0 (/opt/rustwide/workdir/exercises/01_intro/05_gil)
[INFO] [stderr]    Compiling methods v0.1.0 (/opt/rustwide/workdir/exercises/02_classes/02_methods)
[INFO] [stderr]    Compiling static_methods v0.1.0 (/opt/rustwide/workdir/exercises/02_classes/04_static_methods)
[INFO] [stderr]    Compiling setup v0.1.0 (/opt/rustwide/workdir/exercises/01_intro/01_setup)
[INFO] [stderr]    Compiling minimize v0.1.0 (/opt/rustwide/workdir/exercises/03_concurrency/04_minimize_gil_locking)
[INFO] [stderr]    Compiling parent v0.1.0 (/opt/rustwide/workdir/exercises/02_classes/06_parent)
[INFO] [stderr]    Compiling immutable v0.1.0 (/opt/rustwide/workdir/exercises/03_concurrency/05_immutable_types)
[INFO] [stderr]    Compiling exceptions v0.1.0 (/opt/rustwide/workdir/exercises/01_intro/07_exceptions)
[INFO] [stderr]    Compiling inheritance v0.1.0 (/opt/rustwide/workdir/exercises/02_classes/05_inheritance)
[INFO] [stderr]    Compiling arguments v0.1.0 (/opt/rustwide/workdir/exercises/01_intro/04_arguments)
[INFO] [stderr]    Compiling functions v0.1.0 (/opt/rustwide/workdir/exercises/01_intro/03_functions)
[INFO] [stderr]    Compiling modules v0.1.0 (/opt/rustwide/workdir/exercises/01_intro/02_modules)
[INFO] [stderr]    Compiling outro3 v0.1.0 (/opt/rustwide/workdir/exercises/03_concurrency/06_outro)
[INFO] [stdout] warning: use of deprecated type alias `pyo3::types::PyLong`: use `PyInt` instead
[INFO] [stdout]  --> exercises/02_classes/02_methods/src/lib.rs:4:18
[INFO] [stdout]   |
[INFO] [stdout] 4 | use pyo3::types::PyLong;
[INFO] [stdout]   |                  ^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated type alias `pyo3::types::PyLong`: use `PyInt` instead
[INFO] [stdout]   --> exercises/02_classes/02_methods/src/lib.rs:23:43
[INFO] [stdout]    |
[INFO] [stdout] 23 |     fn new(name: String, price: Bound<'_, PyLong>, quantity: Bound<'_, PyLong>) -> PyResult<Self> {
[INFO] [stdout]    |                                           ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated type alias `pyo3::types::PyLong`: use `PyInt` instead
[INFO] [stdout]   --> exercises/02_classes/02_methods/src/lib.rs:23:72
[INFO] [stdout]    |
[INFO] [stdout] 23 |     fn new(name: String, price: Bound<'_, PyLong>, quantity: Bound<'_, PyLong>) -> PyResult<Self> {
[INFO] [stdout]    |                                                                        ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `rayon::prelude`
[INFO] [stdout]  --> exercises/03_concurrency/04_minimize_gil_locking/src/lib.rs:8:5
[INFO] [stdout]   |
[INFO] [stdout] 8 | use rayon::prelude::*;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> exercises/03_concurrency/04_minimize_gil_locking/src/lib.rs:34:5
[INFO] [stdout]    |
[INFO] [stdout] 34 | /     python.allow_threads(|| -> PyResult<()> {
[INFO] [stdout] 35 | |         for i in 0..n_numbers {
[INFO] [stdout] 36 | |             let n = Python::with_gil(|inner_python| {
[INFO] [stdout] 37 | |                 number_ref.bind(inner_python).get_item(i)?.extract::<u64>()
[INFO] [stdout] ...  |
[INFO] [stdout] 42 | |         Ok(())
[INFO] [stdout] 43 | |     });
[INFO] [stdout]    | |______^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout]    = note: `#[warn(unused_must_use)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]    |
[INFO] [stdout] 34 |     let _ = python.allow_threads(|| -> PyResult<()> {
[INFO] [stdout]    |     +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling setters v0.1.0 (/opt/rustwide/workdir/exercises/02_classes/03_setters)
[INFO] [stderr]    Compiling pyclass v0.1.0 (/opt/rustwide/workdir/exercises/02_classes/00_pyclass)
[INFO] [stderr]    Compiling outro1 v0.1.0 (/opt/rustwide/workdir/exercises/01_intro/08_outro)
[INFO] [stderr]    Compiling outro2 v0.1.0 (/opt/rustwide/workdir/exercises/02_classes/07_outro)
[INFO] [stderr]    Compiling output v0.1.0 (/opt/rustwide/workdir/exercises/01_intro/06_output)
[INFO] [stderr]    Compiling gil2 v0.1.0 (/opt/rustwide/workdir/exercises/03_concurrency/02_gil)
[INFO] [stderr]    Compiling constructors v0.1.0 (/opt/rustwide/workdir/exercises/02_classes/01_constructors)
[INFO] [stdout] warning: unused imports: `PyInt` and `PyList`
[INFO] [stdout]  --> exercises/01_intro/06_output/src/lib.rs:2:19
[INFO] [stdout]   |
[INFO] [stdout] 2 | use pyo3::types::{PyInt, PyList};
[INFO] [stdout]   |                   ^^^^^  ^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `i`
[INFO] [stdout]   --> exercises/01_intro/06_output/src/lib.rs:11:13
[INFO] [stdout]    |
[INFO] [stdout] 11 |         for i in 2..n {
[INFO] [stdout]    |             ^ help: if this is intentional, prefix it with an underscore: `_i`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 3.63s
[INFO] running `Command { std: "docker" "inspect" "28d626712ae3e569095ece4b298c48845a325a93b87835dc4959fff8d3f615ad", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "28d626712ae3e569095ece4b298c48845a325a93b87835dc4959fff8d3f615ad", kill_on_drop: false }`
[INFO] [stdout] 28d626712ae3e569095ece4b298c48845a325a93b87835dc4959fff8d3f615ad
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-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" "+1.94.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 290f6035355df4563b1c22d33f7cc958fe53df8048b4ff06755a783f556f3512
[INFO] running `Command { std: "docker" "start" "-a" "290f6035355df4563b1c22d33f7cc958fe53df8048b4ff06755a783f556f3512", kill_on_drop: false }`
[INFO] [stderr] warning: unused imports: `PyInt` and `PyList`
[INFO] [stderr]  --> exercises/01_intro/06_output/src/lib.rs:2:19
[INFO] [stderr]   |
[INFO] [stderr] 2 | use pyo3::types::{PyInt, PyList};
[INFO] [stderr]   |                   ^^^^^  ^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `i`
[INFO] [stderr]   --> exercises/01_intro/06_output/src/lib.rs:11:13
[INFO] [stderr]    |
[INFO] [stderr] 11 |         for i in 2..n {
[INFO] [stderr]    |             ^ help: if this is intentional, prefix it with an underscore: `_i`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated type alias `pyo3::types::PyLong`: use `PyInt` instead
[INFO] [stderr]  --> exercises/02_classes/02_methods/src/lib.rs:4:18
[INFO] [stderr]   |
[INFO] [stderr] 4 | use pyo3::types::PyLong;
[INFO] [stderr]   |                  ^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(deprecated)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated type alias `pyo3::types::PyLong`: use `PyInt` instead
[INFO] [stderr]   --> exercises/02_classes/02_methods/src/lib.rs:23:43
[INFO] [stderr]    |
[INFO] [stderr] 23 |     fn new(name: String, price: Bound<'_, PyLong>, quantity: Bound<'_, PyLong>) -> PyResult<Self> {
[INFO] [stderr]    |                                           ^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated type alias `pyo3::types::PyLong`: use `PyInt` instead
[INFO] [stderr]   --> exercises/02_classes/02_methods/src/lib.rs:23:72
[INFO] [stderr]    |
[INFO] [stderr] 23 |     fn new(name: String, price: Bound<'_, PyLong>, quantity: Bound<'_, PyLong>) -> PyResult<Self> {
[INFO] [stderr]    |                                                                        ^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: `output` (lib test) generated 2 warnings (run `cargo fix --lib -p output --tests` to apply 2 suggestions)
[INFO] [stderr] warning: `methods` (lib test) generated 3 warnings
[INFO] [stderr] warning: unused import: `rayon::prelude`
[INFO] [stderr]  --> exercises/03_concurrency/04_minimize_gil_locking/src/lib.rs:8:5
[INFO] [stderr]   |
[INFO] [stderr] 8 | use rayon::prelude::*;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused `Result` that must be used
[INFO] [stderr]   --> exercises/03_concurrency/04_minimize_gil_locking/src/lib.rs:34:5
[INFO] [stderr]    |
[INFO] [stderr] 34 | /     python.allow_threads(|| -> PyResult<()> {
[INFO] [stderr] 35 | |         for i in 0..n_numbers {
[INFO] [stderr] 36 | |             let n = Python::with_gil(|inner_python| {
[INFO] [stderr] 37 | |                 number_ref.bind(inner_python).get_item(i)?.extract::<u64>()
[INFO] [stderr] ...  |
[INFO] [stderr] 42 | |         Ok(())
[INFO] [stderr] 43 | |     });
[INFO] [stderr]    | |______^
[INFO] [stderr]    |
[INFO] [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr]    = note: `#[warn(unused_must_use)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] help: use `let _ = ...` to ignore the resulting value
[INFO] [stderr]    |
[INFO] [stderr] 34 |     let _ = python.allow_threads(|| -> PyResult<()> {
[INFO] [stderr]    |     +++++++
[INFO] [stderr] 
[INFO] [stderr] warning: `minimize` (lib test) generated 2 warnings
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.18s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/arguments-1796808bc826de8e)
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/constructors-0ca8f4261be81e07)
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/exceptions-65a3a1377e58c222)
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/functions-3434a995ecb9f48a)
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/gil-e86a3126d5275316)
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/gil2-2f7643ebad5356e0)
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/immutable-12cd0c2defa5a9e6)
[INFO] [stdout] 
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/inheritance-c3c9de2f982c5e71)
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/methods-916b672695ab4cf7)
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/minimize-bfd91d51977e0d5d)
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/modules-679a70086f1f477c)
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/output-436dafa22fb2ba1a)
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/outro1-0a599f41ace70231)
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/outro2-e5c5f4cdd8125c99)
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/outro3-d873387148d1807f)
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 4 tests
[INFO] [stdout] test test::it_crawls_links_on_same_page ... ok
[INFO] [stdout] test test::it_fetches_real_page ... ok
[INFO] [stdout] test test::it_crawls_multiple_pages_recursively ... ok
[INFO] [stdout] test test::it_exposes_site_map_correctly ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 4 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.12s
[INFO] [stdout] 
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/parent-766b5815f7d6376e)
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/pyclass-0364eb5d377d7867)
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/release-c7631de8aa175bfd)
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/setters-e40b023faf5b2c57)
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/setup-15ac89aae75b87ab)
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/static_methods-7181293d2b928922)
[INFO] [stdout] 
[INFO] [stderr]      Running unittests src/main.rs (/opt/rustwide/target/debug/deps/verifier-c111fc8d6f01830d)
[INFO] [stdout] running 0 tests
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/welcome-4c07425694f119a1)
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 2 tests
[INFO] [stdout] test tests::test_welcome ... ok
[INFO] [stdout] test tests::uv_is_installed_and_on_path ... FAILED
[INFO] [stderr] error: test failed, to rerun pass `-p welcome --lib`
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout] 
[INFO] [stdout] ---- tests::uv_is_installed_and_on_path stdout ----
[INFO] [stdout] 
[INFO] [stdout] thread 'tests::uv_is_installed_and_on_path' (99) panicked at exercises/01_intro/00_welcome/src/lib.rs:35:14:
[INFO] [stdout] Failed to run uv: Os { code: 2, kind: NotFound, message: "No such file or directory" }
[INFO] [stdout] stack backtrace:
[INFO] [stdout]    0:     0x626e2de15a42 - std::backtrace_rs::backtrace::libunwind::trace::hff358a60abf734fc
[INFO] [stdout]                                at /rustc/4a4ef493e3a1488c6e321570238084b38948f6db/library/std/src/../../backtrace/src/backtrace/libunwind.rs:117:9
[INFO] [stdout]    1:     0x626e2de15a42 - std::backtrace_rs::backtrace::trace_unsynchronized::h3b121f916dd95ec6
[INFO] [stdout]                                at /rustc/4a4ef493e3a1488c6e321570238084b38948f6db/library/std/src/../../backtrace/src/backtrace/mod.rs:66:14
[INFO] [stdout]    2:     0x626e2de15a42 - std::sys::backtrace::_print_fmt::hde0a62ded68798e9
[INFO] [stdout]                                at /rustc/4a4ef493e3a1488c6e321570238084b38948f6db/library/std/src/sys/backtrace.rs:74:9
[INFO] [stdout]    3:     0x626e2de15a42 - <std::sys::backtrace::BacktraceLock::print::DisplayBacktrace as core::fmt::Display>::fmt::h93773fc827e3113d
[INFO] [stdout]                                at /rustc/4a4ef493e3a1488c6e321570238084b38948f6db/library/std/src/sys/backtrace.rs:44:26
[INFO] [stdout]    4:     0x626e2de25a9a - core::fmt::rt::Argument::fmt::h01eff69902dad97f
[INFO] [stdout]                                at /rustc/4a4ef493e3a1488c6e321570238084b38948f6db/library/core/src/fmt/rt.rs:152:76
[INFO] [stdout]    5:     0x626e2de25a9a - core::fmt::write::hed7b5c73d82ecb7c
[INFO] [stdout]    6:     0x626e2dde46a6 - std::io::default_write_fmt::h2f696ff5b8bbaa4b
[INFO] [stdout]                                at /rustc/4a4ef493e3a1488c6e321570238084b38948f6db/library/std/src/io/mod.rs:639:11
[INFO] [stdout]    7:     0x626e2dde46a6 - std::io::Write::write_fmt::h5e66814db8a9cfce
[INFO] [stdout]                                at /rustc/4a4ef493e3a1488c6e321570238084b38948f6db/library/std/src/io/mod.rs:1994:13
[INFO] [stdout]    8:     0x626e2ddf4f29 - std::sys::backtrace::BacktraceLock::print::h8b1d6fcc5a56d1a3
[INFO] [stdout]                                at /rustc/4a4ef493e3a1488c6e321570238084b38948f6db/library/std/src/sys/backtrace.rs:47:9
[INFO] [stdout]    9:     0x626e2ddf4f29 - std::panicking::default_hook::{{closure}}::h2be84df4f189ae36
[INFO] [stdout]                                at /rustc/4a4ef493e3a1488c6e321570238084b38948f6db/library/std/src/panicking.rs:292:27
[INFO] [stdout]   10:     0x626e2ddf4dc1 - std::panicking::default_hook::hf0ea8939246f43a9
[INFO] [stdout]                                at /rustc/4a4ef493e3a1488c6e321570238084b38948f6db/library/std/src/panicking.rs:316:9
[INFO] [stdout]   11:     0x626e2ddb938e - <alloc::boxed::Box<F,A> as core::ops::function::Fn<Args>>::call::h02d35e3888986252
[INFO] [stdout]                                at /rustc/4a4ef493e3a1488c6e321570238084b38948f6db/library/alloc/src/boxed.rs:2220:9
[INFO] [stdout]   12:     0x626e2ddb938e - test::test_main_with_exit_callback::{{closure}}::h939640a27d647173
[INFO] [stdout]                                at /rustc/4a4ef493e3a1488c6e321570238084b38948f6db/library/test/src/lib.rs:145:21
[INFO] [stdout]   13:     0x626e2ddf51a2 - <alloc::boxed::Box<F,A> as core::ops::function::Fn<Args>>::call::hc9df09ff391af3e7
[INFO] [stdout]                                at /rustc/4a4ef493e3a1488c6e321570238084b38948f6db/library/alloc/src/boxed.rs:2220:9
[INFO] [stdout]   14:     0x626e2ddf51a2 - std::panicking::panic_with_hook::hb4bd9ac1123582a0
[INFO] [stdout]                                at /rustc/4a4ef493e3a1488c6e321570238084b38948f6db/library/std/src/panicking.rs:833:13
[INFO] [stdout]   15:     0x626e2ddf4fe8 - std::panicking::panic_handler::{{closure}}::hde00dd15f5637fe2
[INFO] [stdout]                                at /rustc/4a4ef493e3a1488c6e321570238084b38948f6db/library/std/src/panicking.rs:698:13
[INFO] [stdout]   16:     0x626e2ddf0579 - std::sys::backtrace::__rust_end_short_backtrace::hb72197fa777c1785
[INFO] [stdout]                                at /rustc/4a4ef493e3a1488c6e321570238084b38948f6db/library/std/src/sys/backtrace.rs:182:18
[INFO] [stdout]   17:     0x626e2ddd94dd - __rustc[4425a7e20b4c8619]::rust_begin_unwind
[INFO] [stdout]                                at /rustc/4a4ef493e3a1488c6e321570238084b38948f6db/library/std/src/panicking.rs:689:5
[INFO] [stdout]   18:     0x626e2de2cd8c - core::panicking::panic_fmt::ha59b517dd231f4da
[INFO] [stdout]                                at /rustc/4a4ef493e3a1488c6e321570238084b38948f6db/library/core/src/panicking.rs:80:14
[INFO] [stdout]   19:     0x626e2de2c702 - core::result::unwrap_failed::hf2d1f30a3ac850fc
[INFO] [stdout]                                at /rustc/4a4ef493e3a1488c6e321570238084b38948f6db/library/core/src/result.rs:1867:5
[INFO] [stdout]   20:     0x626e2dd97bdc - core::result::Result<T,E>::expect::hf3411aeaefb83786
[INFO] [stdout]                                at /rustc/4a4ef493e3a1488c6e321570238084b38948f6db/library/core/src/result.rs:1185:23
[INFO] [stdout]   21:     0x626e2dd99f71 - welcome::tests::uv_is_installed_and_on_path::h3c88d60b6a6575f6
[INFO] [stdout]                                at /opt/rustwide/workdir/exercises/01_intro/00_welcome/src/lib.rs:35:14
[INFO] [stdout]   22:     0x626e2dd9a0c7 - welcome::tests::uv_is_installed_and_on_path::{{closure}}::hdd9525c1b3c4adf0
[INFO] [stdout]                                at /opt/rustwide/workdir/exercises/01_intro/00_welcome/src/lib.rs:31:37
[INFO] [stdout]   23:     0x626e2dd96646 - core::ops::function::FnOnce::call_once::he89f3940c015ceab
[INFO] [stdout]                                at /rustc/4a4ef493e3a1488c6e321570238084b38948f6db/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   24:     0x626e2ddb914b - core::ops::function::FnOnce::call_once::hddb3cd395c36bfbb
[INFO] [stdout]                                at /rustc/4a4ef493e3a1488c6e321570238084b38948f6db/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   25:     0x626e2ddb914b - test::__rust_begin_short_backtrace::h0b6a7601d9750bfa
[INFO] [stdout]                                at /rustc/4a4ef493e3a1488c6e321570238084b38948f6db/library/test/src/lib.rs:663:18
[INFO] [stdout]   26:     0x626e2ddccb5a - test::run_test_in_process::{{closure}}::h444209903f00b347
[INFO] [stdout]                                at /rustc/4a4ef493e3a1488c6e321570238084b38948f6db/library/test/src/lib.rs:686:74
[INFO] [stdout]   27:     0x626e2ddccb5a - <core::panic::unwind_safe::AssertUnwindSafe<F> as core::ops::function::FnOnce<()>>::call_once::hfb3ba8f46e537649
[INFO] [stdout]                                at /rustc/4a4ef493e3a1488c6e321570238084b38948f6db/library/core/src/panic/unwind_safe.rs:274:9
[INFO] [stdout]   28:     0x626e2ddccb5a - std::panicking::catch_unwind::do_call::h1672a45911fcf9dc
[INFO] [stdout]                                at /rustc/4a4ef493e3a1488c6e321570238084b38948f6db/library/std/src/panicking.rs:581:40
[INFO] [stdout]   29:     0x626e2ddccb5a - std::panicking::catch_unwind::h0fadaee22787a6dd
[INFO] [stdout]                                at /rustc/4a4ef493e3a1488c6e321570238084b38948f6db/library/std/src/panicking.rs:544:19
[INFO] [stdout]   30:     0x626e2ddccb5a - std::panic::catch_unwind::hc47ad190f2c8e188
[INFO] [stdout]                                at /rustc/4a4ef493e3a1488c6e321570238084b38948f6db/library/std/src/panic.rs:359:14
[INFO] [stdout]   31:     0x626e2ddccb5a - test::run_test_in_process::hcd7faaf934f29999
[INFO] [stdout]                                at /rustc/4a4ef493e3a1488c6e321570238084b38948f6db/library/test/src/lib.rs:686:27
[INFO] [stdout]   32:     0x626e2ddccb5a - test::run_test::{{closure}}::hddc4550da4871867
[INFO] [stdout]                                at /rustc/4a4ef493e3a1488c6e321570238084b38948f6db/library/test/src/lib.rs:607:43
[INFO] [stdout]   33:     0x626e2dda6fb4 - test::run_test::{{closure}}::h98ae26689f13ed94
[INFO] [stdout]                                at /rustc/4a4ef493e3a1488c6e321570238084b38948f6db/library/test/src/lib.rs:637:41
[INFO] [stdout]   34:     0x626e2dda6fb4 - std::sys::backtrace::__rust_begin_short_backtrace::h3ec4d1f21ad44588
[INFO] [stdout]                                at /rustc/4a4ef493e3a1488c6e321570238084b38948f6db/library/std/src/sys/backtrace.rs:166:18
[INFO] [stdout]   35:     0x626e2ddaa952 - std::thread::lifecycle::spawn_unchecked::{{closure}}::{{closure}}::hd8bf2c73d479939f
[INFO] [stdout]                                at /rustc/4a4ef493e3a1488c6e321570238084b38948f6db/library/std/src/thread/lifecycle.rs:91:13
[INFO] [stdout]   36:     0x626e2ddaa952 - <core::panic::unwind_safe::AssertUnwindSafe<F> as core::ops::function::FnOnce<()>>::call_once::h3b4248f358af2491
[INFO] [stdout]                                at /rustc/4a4ef493e3a1488c6e321570238084b38948f6db/library/core/src/panic/unwind_safe.rs:274:9
[INFO] [stdout]   37:     0x626e2ddaa952 - std::panicking::catch_unwind::do_call::hda10a64f4b8daebe
[INFO] [stdout]                                at /rustc/4a4ef493e3a1488c6e321570238084b38948f6db/library/std/src/panicking.rs:581:40
[INFO] [stdout]   38:     0x626e2ddaa952 - std::panicking::catch_unwind::h659e5ee8336ec8c7
[INFO] [stdout]                                at /rustc/4a4ef493e3a1488c6e321570238084b38948f6db/library/std/src/panicking.rs:544:19
[INFO] [stdout]   39:     0x626e2ddaa952 - std::panic::catch_unwind::h9d4d66a538912c18
[INFO] [stdout]                                at /rustc/4a4ef493e3a1488c6e321570238084b38948f6db/library/std/src/panic.rs:359:14
[INFO] [stdout]   40:     0x626e2ddaa952 - std::thread::lifecycle::spawn_unchecked::{{closure}}::h7557906bb51d79f1
[INFO] [stdout]                                at /rustc/4a4ef493e3a1488c6e321570238084b38948f6db/library/std/src/thread/lifecycle.rs:89:26
[INFO] [stdout]   41:     0x626e2ddaa952 - core::ops::function::FnOnce::call_once{{vtable.shim}}::h9e460d1d7fc83d35
[INFO] [stdout]                                at /rustc/4a4ef493e3a1488c6e321570238084b38948f6db/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   42:     0x626e2ddeb72f - <alloc::boxed::Box<F,A> as core::ops::function::FnOnce<Args>>::call_once::h61282da819d64ea9
[INFO] [stdout]                                at /rustc/4a4ef493e3a1488c6e321570238084b38948f6db/library/alloc/src/boxed.rs:2206:9
[INFO] [stdout]   43:     0x626e2ddeb72f - std::sys::thread::unix::Thread::new::thread_start::h982f9ea829d1b5fb
[INFO] [stdout]                                at /rustc/4a4ef493e3a1488c6e321570238084b38948f6db/library/std/src/sys/thread/unix.rs:127:17
[INFO] [stdout]   44:     0x7691aa456aa4 - <unknown>
[INFO] [stdout]   45:     0x7691aa4e3a64 - clone
[INFO] [stdout]   46:                0x0 - <unknown>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout]     tests::uv_is_installed_and_on_path
[INFO] [stdout] 
[INFO] [stdout] test result: FAILED. 1 passed; 1 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.02s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "290f6035355df4563b1c22d33f7cc958fe53df8048b4ff06755a783f556f3512", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "290f6035355df4563b1c22d33f7cc958fe53df8048b4ff06755a783f556f3512", kill_on_drop: false }`
[INFO] [stdout] 290f6035355df4563b1c22d33f7cc958fe53df8048b4ff06755a783f556f3512
