[INFO] fetching crate ruwren 0.4.10...
[INFO] testing ruwren-0.4.10 against beta-2026-04-21 for beta-1.96-2
[INFO] extracting crate ruwren 0.4.10 into /workspace/builds/worker-0-tc2/source
[INFO] started tweaking crates.io crate ruwren 0.4.10
[INFO] finished tweaking crates.io crate ruwren 0.4.10
[INFO] tweaked toml for crates.io crate ruwren 0.4.10 written to /workspace/builds/worker-0-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate ruwren 0.4.10 on toolchain beta-2026-04-21
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2026-04-21" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate ruwren 0.4.10 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" "+beta-2026-04-21" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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" "+beta-2026-04-21" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 7968ac688bb7d6cf859d0509cb1281fd5d8ec9728b8cb098be7f4366f7c0c026
[INFO] running `Command { std: "docker" "start" "-a" "7968ac688bb7d6cf859d0509cb1281fd5d8ec9728b8cb098be7f4366f7c0c026", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "7968ac688bb7d6cf859d0509cb1281fd5d8ec9728b8cb098be7f4366f7c0c026", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7968ac688bb7d6cf859d0509cb1281fd5d8ec9728b8cb098be7f4366f7c0c026", kill_on_drop: false }`
[INFO] [stdout] 7968ac688bb7d6cf859d0509cb1281fd5d8ec9728b8cb098be7f4366f7c0c026
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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=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" "+beta-2026-04-21" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 91971f45a467fae339c414901f1860d8853dc681c29d7e692ac246380c0d6b44
[INFO] running `Command { std: "docker" "start" "-a" "91971f45a467fae339c414901f1860d8853dc681c29d7e692ac246380c0d6b44", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.70
[INFO] [stderr]    Compiling glob v0.3.1
[INFO] [stderr]    Compiling libc v0.2.151
[INFO] [stderr]    Compiling prettyplease v0.2.15
[INFO] [stderr]    Compiling rustix v0.38.28
[INFO] [stderr]    Compiling hashbrown v0.14.3
[INFO] [stderr]    Compiling cfg-if v1.0.0
[INFO] [stderr]    Compiling equivalent v1.0.1
[INFO] [stderr]    Compiling regex-syntax v0.8.2
[INFO] [stderr]    Compiling memchr v2.6.4
[INFO] [stderr]    Compiling linux-raw-sys v0.4.12
[INFO] [stderr]    Compiling bitflags v2.4.1
[INFO] [stderr]    Compiling winnow v0.5.28
[INFO] [stderr]    Compiling toml_datetime v0.6.5
[INFO] [stderr]    Compiling home v0.5.5
[INFO] [stderr]    Compiling bindgen v0.69.1
[INFO] [stderr]    Compiling libloading v0.7.4
[INFO] [stderr]    Compiling either v1.9.0
[INFO] [stderr]    Compiling arrayvec v0.7.4
[INFO] [stderr]    Compiling lazy_static v1.4.0
[INFO] [stderr]    Compiling shlex v1.2.0
[INFO] [stderr]    Compiling once_cell v1.19.0
[INFO] [stderr]    Compiling log v0.4.20
[INFO] [stderr]    Compiling if_chain v1.0.2
[INFO] [stderr]    Compiling clang-sys v1.6.1
[INFO] [stderr]    Compiling nom v7.1.3
[INFO] [stderr]    Compiling indexmap v2.1.0
[INFO] [stderr]    Compiling cc v1.0.83
[INFO] [stderr]    Compiling quote v1.0.33
[INFO] [stderr]    Compiling syn v2.0.40
[INFO] [stderr]    Compiling which v4.4.2
[INFO] [stderr]    Compiling regex-automata v0.4.3
[INFO] [stderr]    Compiling toml_edit v0.19.15
[INFO] [stderr]    Compiling cexpr v0.6.0
[INFO] [stderr]    Compiling regex v1.10.2
[INFO] [stderr]    Compiling proc-macro-crate v1.3.1
[INFO] [stderr]    Compiling deluxe-core v0.5.0
[INFO] [stderr]    Compiling deluxe-macros v0.5.0
[INFO] [stderr]    Compiling deluxe v0.5.0
[INFO] [stderr]    Compiling ruwren-macros v0.4.10
[INFO] [stderr]    Compiling ruwren-sys v0.4.10
[INFO] [stderr]    Compiling ruwren v0.4.10 (/opt/rustwide/workdir)
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/lib.rs:459:28
[INFO] [stdout]     |
[INFO] [stdout] 459 |     pub fn get_slot_handle(&self, slot: SlotId) -> Rc<Handle> {
[INFO] [stdout]     |                            ^^^^^                      ^^^^^^ the same lifetime is hidden here
[INFO] [stdout]     |                            |
[INFO] [stdout]     |                            the lifetime is elided here
[INFO] [stdout]     |
[INFO] [stdout]     = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout]     = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]     |
[INFO] [stdout] 459 |     pub fn get_slot_handle(&self, slot: SlotId) -> Rc<Handle<'_>> {
[INFO] [stdout]     |                                                             ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/lib.rs:475:29
[INFO] [stdout]     |
[INFO] [stdout] 475 |     pub fn make_call_handle(&self, signature: FunctionSignature) -> Rc<FunctionHandle> {
[INFO] [stdout]     |                             ^^^^^ the lifetime is elided here          ^^^^^^^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]     |
[INFO] [stdout]     = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]     |
[INFO] [stdout] 475 |     pub fn make_call_handle(&self, signature: FunctionSignature) -> Rc<FunctionHandle<'_>> {
[INFO] [stdout]     |                                                                                      ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 23.80s
[INFO] running `Command { std: "docker" "inspect" "91971f45a467fae339c414901f1860d8853dc681c29d7e692ac246380c0d6b44", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "91971f45a467fae339c414901f1860d8853dc681c29d7e692ac246380c0d6b44", kill_on_drop: false }`
[INFO] [stdout] 91971f45a467fae339c414901f1860d8853dc681c29d7e692ac246380c0d6b44
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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=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" "+beta-2026-04-21" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] d8093cdf63a20d653f52e50a8c78d67bd524c492bf867851cfbc1503b7f28733
[INFO] running `Command { std: "docker" "start" "-a" "d8093cdf63a20d653f52e50a8c78d67bd524c492bf867851cfbc1503b7f28733", kill_on_drop: false }`
[INFO] [stderr]    Compiling crossbeam-utils v0.8.16
[INFO] [stderr]    Compiling memoffset v0.9.0
[INFO] [stderr]    Compiling serde v1.0.193
[INFO] [stderr]    Compiling crossbeam-epoch v0.9.15
[INFO] [stderr]    Compiling libloading v0.7.4
[INFO] [stderr]    Compiling num-traits v0.2.17
[INFO] [stderr]    Compiling serde_json v1.0.108
[INFO] [stderr]    Compiling rayon-core v1.12.0
[INFO] [stderr]    Compiling plotters-backend v0.3.5
[INFO] [stderr]    Compiling memchr v2.6.4
[INFO] [stderr]    Compiling regex-syntax v0.8.2
[INFO] [stderr]    Compiling textwrap v0.11.0
[INFO] [stderr]    Compiling cast v0.3.0
[INFO] [stderr]    Compiling walkdir v2.4.0
[INFO] [stderr]    Compiling atty v0.2.14
[INFO] [stderr]    Compiling serde_derive v1.0.193
[INFO] [stderr]    Compiling criterion-plot v0.4.5
[INFO] [stderr]    Compiling plotters-svg v0.3.5
[INFO] [stderr]    Compiling clang-sys v1.6.1
[INFO] [stderr]    Compiling clap v2.34.0
[INFO] [stderr]    Compiling csv-core v0.1.11
[INFO] [stderr]    Compiling crossbeam-deque v0.8.3
[INFO] [stderr]    Compiling rayon v1.8.0
[INFO] [stderr]    Compiling regex-automata v0.4.3
[INFO] [stderr]    Compiling plotters v0.3.5
[INFO] [stderr]    Compiling serde_cbor v0.11.2
[INFO] [stderr]    Compiling csv v1.3.0
[INFO] [stderr]    Compiling regex v1.10.2
[INFO] [stderr]    Compiling bindgen v0.69.1
[INFO] [stderr]    Compiling tinytemplate v1.2.1
[INFO] [stderr]    Compiling criterion v0.3.6
[INFO] [stderr]    Compiling ruwren-sys v0.4.10
[INFO] [stderr]    Compiling ruwren v0.4.10 (/opt/rustwide/workdir)
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/lib.rs:459:28
[INFO] [stdout]     |
[INFO] [stdout] 459 |     pub fn get_slot_handle(&self, slot: SlotId) -> Rc<Handle> {
[INFO] [stdout]     |                            ^^^^^                      ^^^^^^ the same lifetime is hidden here
[INFO] [stdout]     |                            |
[INFO] [stdout]     |                            the lifetime is elided here
[INFO] [stdout]     |
[INFO] [stdout]     = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout]     = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]     |
[INFO] [stdout] 459 |     pub fn get_slot_handle(&self, slot: SlotId) -> Rc<Handle<'_>> {
[INFO] [stdout]     |                                                             ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/lib.rs:475:29
[INFO] [stdout]     |
[INFO] [stdout] 475 |     pub fn make_call_handle(&self, signature: FunctionSignature) -> Rc<FunctionHandle> {
[INFO] [stdout]     |                             ^^^^^ the lifetime is elided here          ^^^^^^^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]     |
[INFO] [stdout]     = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]     |
[INFO] [stdout] 475 |     pub fn make_call_handle(&self, signature: FunctionSignature) -> Rc<FunctionHandle<'_>> {
[INFO] [stdout]     |                                                                                      ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/lib.rs:459:28
[INFO] [stdout]     |
[INFO] [stdout] 459 |     pub fn get_slot_handle(&self, slot: SlotId) -> Rc<Handle> {
[INFO] [stdout]     |                            ^^^^^                      ^^^^^^ the same lifetime is hidden here
[INFO] [stdout]     |                            |
[INFO] [stdout]     |                            the lifetime is elided here
[INFO] [stdout]     |
[INFO] [stdout]     = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout]     = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]     |
[INFO] [stdout] 459 |     pub fn get_slot_handle(&self, slot: SlotId) -> Rc<Handle<'_>> {
[INFO] [stdout]     |                                                             ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/lib.rs:475:29
[INFO] [stdout]     |
[INFO] [stdout] 475 |     pub fn make_call_handle(&self, signature: FunctionSignature) -> Rc<FunctionHandle> {
[INFO] [stdout]     |                             ^^^^^ the lifetime is elided here          ^^^^^^^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]     |
[INFO] [stdout]     = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]     |
[INFO] [stdout] 475 |     pub fn make_call_handle(&self, signature: FunctionSignature) -> Rc<FunctionHandle<'_>> {
[INFO] [stdout]     |                                                                                      ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Unit` is never constructed
[INFO] [stdout]  --> examples/v2_integration.rs:7:12
[INFO] [stdout]   |
[INFO] [stdout] 7 |     struct Unit;
[INFO] [stdout]   |            ^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `NewType` is never constructed
[INFO] [stdout]   --> examples/v2_integration.rs:10:12
[INFO] [stdout]    |
[INFO] [stdout] 10 |     struct NewType(u8);
[INFO] [stdout]    |            ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Tuple` is never constructed
[INFO] [stdout]   --> examples/v2_integration.rs:13:12
[INFO] [stdout]    |
[INFO] [stdout] 13 |     struct Tuple(u8, u8, #[wren(static_member)] u8, u8);
[INFO] [stdout]    |            ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 24.82s
[INFO] running `Command { std: "docker" "inspect" "d8093cdf63a20d653f52e50a8c78d67bd524c492bf867851cfbc1503b7f28733", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d8093cdf63a20d653f52e50a8c78d67bd524c492bf867851cfbc1503b7f28733", kill_on_drop: false }`
[INFO] [stdout] d8093cdf63a20d653f52e50a8c78d67bd524c492bf867851cfbc1503b7f28733
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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=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" "+beta-2026-04-21" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 7f9748b1fc9397b41a57be5a5a0264b3c55eac34245f58f70de53bab4609f57a
[INFO] running `Command { std: "docker" "start" "-a" "7f9748b1fc9397b41a57be5a5a0264b3c55eac34245f58f70de53bab4609f57a", kill_on_drop: false }`
[INFO] [stderr] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stderr]    --> src/lib.rs:459:28
[INFO] [stderr]     |
[INFO] [stderr] 459 |     pub fn get_slot_handle(&self, slot: SlotId) -> Rc<Handle> {
[INFO] [stderr]     |                            ^^^^^                      ^^^^^^ the same lifetime is hidden here
[INFO] [stderr]     |                            |
[INFO] [stderr]     |                            the lifetime is elided here
[INFO] [stderr]     |
[INFO] [stderr]     = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stderr]     = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default
[INFO] [stderr] help: use `'_` for type paths
[INFO] [stderr]     |
[INFO] [stderr] 459 |     pub fn get_slot_handle(&self, slot: SlotId) -> Rc<Handle<'_>> {
[INFO] [stderr]     |                                                             ++++
[INFO] [stderr] 
[INFO] [stderr] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stderr]    --> src/lib.rs:475:29
[INFO] [stderr]     |
[INFO] [stderr] 475 |     pub fn make_call_handle(&self, signature: FunctionSignature) -> Rc<FunctionHandle> {
[INFO] [stderr]     |                             ^^^^^ the lifetime is elided here          ^^^^^^^^^^^^^^ the same lifetime is hidden here
[INFO] [stderr]     |
[INFO] [stderr]     = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stderr] help: use `'_` for type paths
[INFO] [stderr]     |
[INFO] [stderr] 475 |     pub fn make_call_handle(&self, signature: FunctionSignature) -> Rc<FunctionHandle<'_>> {
[INFO] [stderr]     |                                                                                      ++++
[INFO] [stderr] 
[INFO] [stderr] warning: `ruwren` (lib) generated 2 warnings (run `cargo fix --lib -p ruwren` to apply 2 suggestions)
[INFO] [stderr] warning: struct `Unit` is never constructed
[INFO] [stderr]  --> examples/v2_integration.rs:7:12
[INFO] [stderr]   |
[INFO] [stderr] 7 |     struct Unit;
[INFO] [stderr]   |            ^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: struct `NewType` is never constructed
[INFO] [stderr]   --> examples/v2_integration.rs:10:12
[INFO] [stderr]    |
[INFO] [stderr] 10 |     struct NewType(u8);
[INFO] [stderr]    |            ^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: struct `Tuple` is never constructed
[INFO] [stderr]   --> examples/v2_integration.rs:13:12
[INFO] [stderr]    |
[INFO] [stderr] 13 |     struct Tuple(u8, u8, #[wren(static_member)] u8, u8);
[INFO] [stderr]    |            ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: `ruwren` (example "v2_integration") generated 3 warnings
[INFO] [stderr] warning: `ruwren` (lib test) generated 2 warnings (2 duplicates)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.16s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/ruwren-8467ee4223e58d31)
[INFO] [stdout] 
[INFO] [stdout] running 6 tests
[INFO] [stdout] test tests::foreign_instance ... ok
[INFO] [stdout] test tests::test_script_module ... ok
[INFO] [stdout] test tests::init_vm ... ok
[INFO] [stdout] test tests::test_external_module ... ok
[INFO] [stdout] test tests::test_small_wren_program_call ... ok
[INFO] [stderr]    Doc-tests ruwren
[INFO] [stdout] test tests::test_small_wren_program ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 6 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.03s
[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] running `Command { std: "docker" "inspect" "7f9748b1fc9397b41a57be5a5a0264b3c55eac34245f58f70de53bab4609f57a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7f9748b1fc9397b41a57be5a5a0264b3c55eac34245f58f70de53bab4609f57a", kill_on_drop: false }`
[INFO] [stdout] 7f9748b1fc9397b41a57be5a5a0264b3c55eac34245f58f70de53bab4609f57a
