[INFO] fetching crate uniffi 0.31.0...
[INFO] testing uniffi-0.31.0 against beta-2026-01-20 for beta-1.94-1
[INFO] extracting crate uniffi 0.31.0 into /workspace/builds/worker-1-tc2/source
[INFO] started tweaking crates.io crate uniffi 0.31.0
[INFO] removed 0 missing tests
[INFO] finished tweaking crates.io crate uniffi 0.31.0
[INFO] tweaked toml for crates.io crate uniffi 0.31.0 written to /workspace/builds/worker-1-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate uniffi 0.31.0 on toolchain beta-2026-01-20
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2026-01-20" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate uniffi 0.31.0 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2026-01-20" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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@sha256:98afbf2d16093dec2546ff8915fddc74e65664aa03fc460b3712b1c2c54a33e4" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2026-01-20" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 37ebbd32410a14d47841982512171c079842c68e7efbfc247b4444a431f4d164
[INFO] running `Command { std: "docker" "start" "-a" "37ebbd32410a14d47841982512171c079842c68e7efbfc247b4444a431f4d164", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "37ebbd32410a14d47841982512171c079842c68e7efbfc247b4444a431f4d164", kill_on_drop: false }`
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[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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@sha256:98afbf2d16093dec2546ff8915fddc74e65664aa03fc460b3712b1c2c54a33e4" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2026-01-20" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 1f50e4754350f8ca635c70c8db309afd96ba932743532fec817e3a71d0f9f13a
[INFO] running `Command { std: "docker" "start" "-a" "1f50e4754350f8ca635c70c8db309afd96ba932743532fec817e3a71d0f9f13a", kill_on_drop: false }`
[INFO] [stderr]    Compiling serde v1.0.219
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[INFO] running `Command { std: "docker" "inspect" "1f50e4754350f8ca635c70c8db309afd96ba932743532fec817e3a71d0f9f13a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1f50e4754350f8ca635c70c8db309afd96ba932743532fec817e3a71d0f9f13a", kill_on_drop: false }`
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[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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@sha256:98afbf2d16093dec2546ff8915fddc74e65664aa03fc460b3712b1c2c54a33e4" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2026-01-20" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
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[INFO] [stdout] 99a1cdcea5c4bb1f372c8e821e4155018cc3f819d9b9a29891c3d55606e2ef1f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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@sha256:98afbf2d16093dec2546ff8915fddc74e65664aa03fc460b3712b1c2c54a33e4" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2026-01-20" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 2f4fe6d171a17aa7b6fe762336da2bec15c8b3f573c18f6d35460b300c86636e
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[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/uniffi-d0eb8b77bd4a57e1)
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[INFO] [stdout] running 1 test
[INFO] [stderr]    Compiling proc-macro2 v1.0.95
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[INFO] [stderr]     Checking uniffi v0.31.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Checking uniffi-tests v0.0.0 (/opt/rustwide/target/tests/trybuild/uniffi)
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[INFO] [stderr] 
[INFO] [stderr] 
[INFO] [stderr] test tests/ui/proc_macro_arc.rs ... mismatch
[INFO] [stderr] 
[INFO] [stderr] EXPECTED:
[INFO] [stderr] ┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈
[INFO] [stderr] error[E0277]: the trait bound `Foo: FfiConverterArc<UniFfiTag>` is not satisfied
[INFO] [stderr]   --> tests/ui/proc_macro_arc.rs:10:1
[INFO] [stderr]    |
[INFO] [stderr] 10 | #[uniffi::export]
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^ the trait `FfiConverterArc<UniFfiTag>` is not implemented for `Foo`
[INFO] [stderr]    |
[INFO] [stderr]    = help: the trait `LowerReturn<UT>` is implemented for `Arc<T>`
[INFO] [stderr]    = note: required for `Arc<Foo>` to implement `FfiConverter<UniFfiTag>`
[INFO] [stderr]    = note: required for `Arc<Foo>` to implement `uniffi::Lower<UniFfiTag>`
[INFO] [stderr]    = note: required for `Arc<Foo>` to implement `LowerReturn<UniFfiTag>`
[INFO] [stderr]    = note: this error originates in the attribute macro `uniffi::export` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] error[E0277]: the trait bound `Foo: FfiConverterArc<UniFfiTag>` is not satisfied
[INFO] [stderr]   --> tests/ui/proc_macro_arc.rs:11:18
[INFO] [stderr]    |
[INFO] [stderr] 11 | fn make_foo() -> Arc<Foo> {
[INFO] [stderr]    |                  ^^^^^^^^ the trait `FfiConverterArc<UniFfiTag>` is not implemented for `Foo`
[INFO] [stderr]    |
[INFO] [stderr]    = help: the trait `uniffi::TypeId<UT>` is implemented for `Arc<T>`
[INFO] [stderr]    = note: required for `Arc<Foo>` to implement `FfiConverter<UniFfiTag>`
[INFO] [stderr]    = note: required for `Arc<Foo>` to implement `uniffi::TypeId<UniFfiTag>`
[INFO] [stderr] 
[INFO] [stderr] error[E0277]: the trait bound `child::Foo: FfiConverterArc<UniFfiTag>` is not satisfied
[INFO] [stderr]   --> tests/ui/proc_macro_arc.rs:20:5
[INFO] [stderr]    |
[INFO] [stderr] 20 |     #[uniffi::export]
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^ the trait `FfiConverterArc<UniFfiTag>` is not implemented for `child::Foo`
[INFO] [stderr]    |
[INFO] [stderr]    = help: the trait `Lift<UT>` is implemented for `Arc<T>`
[INFO] [stderr]    = note: required for `Arc<child::Foo>` to implement `FfiConverter<UniFfiTag>`
[INFO] [stderr]    = note: required for `Arc<child::Foo>` to implement `Lift<UniFfiTag>`
[INFO] [stderr]    = note: this error originates in the attribute macro `uniffi::export` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] error[E0277]: the trait bound `child::Foo: FfiConverterArc<UniFfiTag>` is not satisfied
[INFO] [stderr]   --> tests/ui/proc_macro_arc.rs:21:22
[INFO] [stderr]    |
[INFO] [stderr] 21 |     fn take_foo(foo: Arc<Foo>) {
[INFO] [stderr]    |                      ^^^^^^^^ the trait `FfiConverterArc<UniFfiTag>` is not implemented for `child::Foo`
[INFO] [stderr]    |
[INFO] [stderr]    = help: the trait `uniffi::TypeId<UT>` is implemented for `Arc<T>`
[INFO] [stderr]    = note: required for `Arc<child::Foo>` to implement `FfiConverter<UniFfiTag>`
[INFO] [stderr]    = note: required for `Arc<child::Foo>` to implement `uniffi::TypeId<UniFfiTag>`
[INFO] [stderr] 
[INFO] [stderr] error[E0277]: the trait bound `Foo: FfiConverterArc<UniFfiTag>` is not satisfied
[INFO] [stderr]   --> tests/ui/proc_macro_arc.rs:10:1
[INFO] [stderr]    |
[INFO] [stderr] 10 | #[uniffi::export]
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^ the trait `FfiConverterArc<UniFfiTag>` is not implemented for `Foo`
[INFO] [stderr]    |
[INFO] [stderr]    = help: the trait `FfiConverter<UT>` is implemented for `Arc<T>`
[INFO] [stderr]    = note: required for `Arc<Foo>` to implement `FfiConverter<UniFfiTag>`
[INFO] [stderr]    = note: this error originates in the attribute macro `uniffi::export` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] error[E0277]: the trait bound `child::Foo: FfiConverterArc<UniFfiTag>` is not satisfied
[INFO] [stderr]   --> tests/ui/proc_macro_arc.rs:20:5
[INFO] [stderr]    |
[INFO] [stderr] 20 |     #[uniffi::export]
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^ the trait `FfiConverterArc<UniFfiTag>` is not implemented for `child::Foo`
[INFO] [stderr]    |
[INFO] [stderr]    = help: the trait `FfiConverter<UT>` is implemented for `Arc<T>`
[INFO] [stderr]    = note: required for `Arc<child::Foo>` to implement `FfiConverter<UniFfiTag>`
[INFO] [stderr]    = note: this error originates in the attribute macro `uniffi::export` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] error[E0004]: non-exhaustive patterns: type `&child::Foo` is non-empty
[INFO] [stderr]   --> tests/ui/proc_macro_arc.rs:22:15
[INFO] [stderr]    |
[INFO] [stderr] 22 |         match &*foo {}
[INFO] [stderr]    |               ^^^^^
[INFO] [stderr]    |
[INFO] [stderr] note: `child::Foo` defined here
[INFO] [stderr]   --> tests/ui/proc_macro_arc.rs:18:10
[INFO] [stderr]    |
[INFO] [stderr] 18 |     enum Foo {}
[INFO] [stderr]    |          ^^^
[INFO] [stderr]    = note: the matched value is of type `&child::Foo`
[INFO] [stderr]    = note: references are always considered inhabited
[INFO] [stderr] help: ensure that all possible cases are being handled by adding a match arm with a wildcard pattern as shown
[INFO] [stderr]    |
[INFO] [stderr] 22 ~         match &*foo {
[INFO] [stderr] 23 +             _ => todo!(),
[INFO] [stderr] 24 ~         }
[INFO] [stderr]    |
[INFO] [stderr] ┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈
[INFO] [stderr] 
[INFO] [stderr] ACTUAL OUTPUT:
[INFO] [stderr] ┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈
[INFO] [stderr] error[E0277]: the trait bound `Foo: FfiConverterArc<UniFfiTag>` is not satisfied
[INFO] [stderr]  --> tests/ui/proc_macro_arc.rs:10:1
[INFO] [stderr]   |
[INFO] [stderr]  10 | #[uniffi::export]
[INFO] [stderr]     | ^^^^^^^^^^^^^^^^^ unsatisfied trait bound
[INFO] [stderr]     |
[INFO] [stderr] help: the trait `FfiConverterArc<UniFfiTag>` is not implemented for `Foo`
[INFO] [stderr]    --> tests/ui/proc_macro_arc.rs:8:1
[INFO] [stderr]     |
[INFO] [stderr]   8 | pub struct Foo;
[INFO] [stderr]     | ^^^^^^^^^^^^^^
[INFO] [stderr] help: the trait `LowerReturn<UT>` is implemented for `Arc<T>`
[INFO] [stderr]    --> $CARGO/uniffi_core-0.31.0/src/ffi_converter_traits.rs
[INFO] [stderr]     |
[INFO] [stderr]     |         unsafe impl $(<$($generic),*>)* $crate::LowerReturn<$ut> for $ty $(where $($where)*)*
[INFO] [stderr]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]    ::: $CARGO/uniffi_core-0.31.0/src/ffi_converter_impls.rs
[INFO] [stderr]     |
[INFO] [stderr]     | derive_ffi_traits!(impl<T, UT> LowerReturn<UT> for Arc<T> where Arc<T>: Lower<UT>, T: ?Sized);
[INFO] [stderr]     | --------------------------------------------------------------------------------------------- in this macro invocation
[INFO] [stderr]     = note: required for `Arc<Foo>` to implement `FfiConverter<UniFfiTag>`
[INFO] [stderr]     = note: required for `Arc<Foo>` to implement `uniffi::Lower<UniFfiTag>`
[INFO] [stderr]     = note: required for `Arc<Foo>` to implement `LowerReturn<UniFfiTag>`
[INFO] [stderr]     = note: this error originates in the attribute macro `uniffi::export` which comes from the expansion of the macro `derive_ffi_traits` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] error[E0277]: the trait bound `Foo: FfiConverterArc<UniFfiTag>` is not satisfied
[INFO] [stderr]  --> tests/ui/proc_macro_arc.rs:11:18
[INFO] [stderr]   |
[INFO] [stderr]  11 | fn make_foo() -> Arc<Foo> {
[INFO] [stderr]     |                  ^^^^^^^^ unsatisfied trait bound
[INFO] [stderr]     |
[INFO] [stderr] help: the trait `FfiConverterArc<UniFfiTag>` is not implemented for `Foo`
[INFO] [stderr]    --> tests/ui/proc_macro_arc.rs:8:1
[INFO] [stderr]     |
[INFO] [stderr]   8 | pub struct Foo;
[INFO] [stderr]     | ^^^^^^^^^^^^^^
[INFO] [stderr] help: the trait `uniffi::TypeId<UT>` is implemented for `Arc<T>`
[INFO] [stderr]    --> $CARGO/uniffi_core-0.31.0/src/ffi_converter_traits.rs
[INFO] [stderr]     |
[INFO] [stderr]     |         impl $(<$($generic),*>)* $crate::TypeId<$ut> for $ty $(where $($where)*)*
[INFO] [stderr]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]    ::: $CARGO/uniffi_core-0.31.0/src/ffi_converter_impls.rs
[INFO] [stderr]     |
[INFO] [stderr]     | derive_ffi_traits!(impl<T, UT> TypeId<UT> for Arc<T> where Arc<T>: FfiConverter<UT>, T: ?Sized);
[INFO] [stderr]     | ----------------------------------------------------------------------------------------------- in this macro invocation
[INFO] [stderr]     = note: required for `Arc<Foo>` to implement `FfiConverter<UniFfiTag>`
[INFO] [stderr]     = note: required for `Arc<Foo>` to implement `uniffi::TypeId<UniFfiTag>`
[INFO] [stderr]     = note: this error originates in the macro `derive_ffi_traits` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] error[E0277]: the trait bound `child::Foo: FfiConverterArc<UniFfiTag>` is not satisfied
[INFO] [stderr]  --> tests/ui/proc_macro_arc.rs:20:5
[INFO] [stderr]   |
[INFO] [stderr]  20 |     #[uniffi::export]
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^ unsatisfied trait bound
[INFO] [stderr]     |
[INFO] [stderr] help: the trait `FfiConverterArc<UniFfiTag>` is not implemented for `child::Foo`
[INFO] [stderr]    --> tests/ui/proc_macro_arc.rs:18:5
[INFO] [stderr]     |
[INFO] [stderr]  18 |     enum Foo {}
[INFO] [stderr]     |     ^^^^^^^^
[INFO] [stderr] help: the trait `Lift<UT>` is implemented for `Arc<T>`
[INFO] [stderr]    --> $CARGO/uniffi_core-0.31.0/src/ffi_converter_traits.rs
[INFO] [stderr]     |
[INFO] [stderr]     |         unsafe impl $(<$($generic),*>)* $crate::Lift<$ut> for $ty $(where $($where)*)*
[INFO] [stderr]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]    ::: $CARGO/uniffi_core-0.31.0/src/ffi_converter_impls.rs
[INFO] [stderr]     |
[INFO] [stderr]     | derive_ffi_traits!(impl<T, UT> Lift<UT> for Arc<T> where Arc<T>: FfiConverter<UT>, T: ?Sized);
[INFO] [stderr]     | --------------------------------------------------------------------------------------------- in this macro invocation
[INFO] [stderr]     = note: required for `Arc<child::Foo>` to implement `FfiConverter<UniFfiTag>`
[INFO] [stderr]     = note: required for `Arc<child::Foo>` to implement `Lift<UniFfiTag>`
[INFO] [stderr]     = note: this error originates in the attribute macro `uniffi::export` which comes from the expansion of the macro `derive_ffi_traits` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] error[E0277]: the trait bound `child::Foo: FfiConverterArc<UniFfiTag>` is not satisfied
[INFO] [stderr]  --> tests/ui/proc_macro_arc.rs:21:22
[INFO] [stderr]   |
[INFO] [stderr]  21 |     fn take_foo(foo: Arc<Foo>) {
[INFO] [stderr]     |                      ^^^^^^^^ unsatisfied trait bound
[INFO] [stderr]     |
[INFO] [stderr] help: the trait `FfiConverterArc<UniFfiTag>` is not implemented for `child::Foo`
[INFO] [stderr]    --> tests/ui/proc_macro_arc.rs:18:5
[INFO] [stderr]     |
[INFO] [stderr]  18 |     enum Foo {}
[INFO] [stderr]     |     ^^^^^^^^
[INFO] [stderr] help: the trait `uniffi::TypeId<UT>` is implemented for `Arc<T>`
[INFO] [stderr]    --> $CARGO/uniffi_core-0.31.0/src/ffi_converter_traits.rs
[INFO] [stderr]     |
[INFO] [stderr]     |         impl $(<$($generic),*>)* $crate::TypeId<$ut> for $ty $(where $($where)*)*
[INFO] [stderr]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]    ::: $CARGO/uniffi_core-0.31.0/src/ffi_converter_impls.rs
[INFO] [stderr]     |
[INFO] [stderr]     | derive_ffi_traits!(impl<T, UT> TypeId<UT> for Arc<T> where Arc<T>: FfiConverter<UT>, T: ?Sized);
[INFO] [stderr]     | ----------------------------------------------------------------------------------------------- in this macro invocation
[INFO] [stderr]     = note: required for `Arc<child::Foo>` to implement `FfiConverter<UniFfiTag>`
[INFO] [stderr]     = note: required for `Arc<child::Foo>` to implement `uniffi::TypeId<UniFfiTag>`
[INFO] [stderr]     = note: this error originates in the macro `derive_ffi_traits` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] error[E0277]: the trait bound `Foo: FfiConverterArc<UniFfiTag>` is not satisfied
[INFO] [stderr]  --> tests/ui/proc_macro_arc.rs:10:1
[INFO] [stderr]   |
[INFO] [stderr]  10 | #[uniffi::export]
[INFO] [stderr]     | ^^^^^^^^^^^^^^^^^ unsatisfied trait bound
[INFO] [stderr]     |
[INFO] [stderr] help: the trait `FfiConverterArc<UniFfiTag>` is not implemented for `Foo`
[INFO] [stderr]    --> tests/ui/proc_macro_arc.rs:8:1
[INFO] [stderr]     |
[INFO] [stderr]   8 | pub struct Foo;
[INFO] [stderr]     | ^^^^^^^^^^^^^^
[INFO] [stderr] help: the trait `FfiConverter<UT>` is implemented for `Arc<T>`
[INFO] [stderr]    --> $CARGO/uniffi_core-0.31.0/src/ffi_converter_traits.rs
[INFO] [stderr]     |
[INFO] [stderr]     | / unsafe impl<T, UT> FfiConverter<UT> for Arc<T>
[INFO] [stderr]     | | where
[INFO] [stderr]     | |     T: FfiConverterArc<UT> + ?Sized,
[INFO] [stderr]     | |____________________________________^
[INFO] [stderr]     = note: required for `Arc<Foo>` to implement `FfiConverter<UniFfiTag>`
[INFO] [stderr]     = note: this error originates in the attribute macro `uniffi::export` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] error[E0277]: the trait bound `child::Foo: FfiConverterArc<UniFfiTag>` is not satisfied
[INFO] [stderr]  --> tests/ui/proc_macro_arc.rs:20:5
[INFO] [stderr]   |
[INFO] [stderr]  20 |     #[uniffi::export]
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^ unsatisfied trait bound
[INFO] [stderr]     |
[INFO] [stderr] help: the trait `FfiConverterArc<UniFfiTag>` is not implemented for `child::Foo`
[INFO] [stderr]    --> tests/ui/proc_macro_arc.rs:18:5
[INFO] [stderr]     |
[INFO] [stderr]  18 |     enum Foo {}
[INFO] [stderr]     |     ^^^^^^^^
[INFO] [stderr] help: the trait `FfiConverter<UT>` is implemented for `Arc<T>`
[INFO] [stderr]    --> $CARGO/uniffi_core-0.31.0/src/ffi_converter_traits.rs
[INFO] [stderr]     |
[INFO] [stderr]     | / unsafe impl<T, UT> FfiConverter<UT> for Arc<T>
[INFO] [stderr]     | | where
[INFO] [stderr]     | |     T: FfiConverterArc<UT> + ?Sized,
[INFO] [stderr]     | |____________________________________^
[INFO] [stderr]     = note: required for `Arc<child::Foo>` to implement `FfiConverter<UniFfiTag>`
[INFO] [stderr]     = note: this error originates in the attribute macro `uniffi::export` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] error[E0004]: non-exhaustive patterns: type `&child::Foo` is non-empty
[INFO] [stderr]   --> tests/ui/proc_macro_arc.rs:22:15
[INFO] [stderr]    |
[INFO] [stderr] 22 |         match &*foo {}
[INFO] [stderr]    |               ^^^^^
[INFO] [stderr]    |
[INFO] [stderr] note: `child::Foo` defined here
[INFO] [stderr]   --> tests/ui/proc_macro_arc.rs:18:10
[INFO] [stderr]    |
[INFO] [stderr] 18 |     enum Foo {}
[INFO] [stderr]    |          ^^^
[INFO] [stderr]    = note: the matched value is of type `&child::Foo`
[INFO] [stderr]    = note: references are always considered inhabited
[INFO] [stderr] help: ensure that all possible cases are being handled by adding a match arm with a wildcard pattern as shown
[INFO] [stderr]    |
[INFO] [stderr] 22 ~         match &*foo {
[INFO] [stderr] 23 +             _ => todo!(),
[INFO] [stderr] 24 ~         }
[INFO] [stderr]    |
[INFO] [stderr] ┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈
[INFO] [stderr] note: If the actual output is the correct output you can bless it by rerunning
[INFO] [stderr]       your test with the environment variable TRYBUILD=overwrite
[INFO] [stderr] 
[INFO] [stderr] test tests/ui/version_mismatch.rs ... ok
[INFO] [stderr] 
[INFO] [stderr] 
[INFO] [stdout] test test::trybuild_ui_tests ... FAILED
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout] 
[INFO] [stdout] ---- test::trybuild_ui_tests stdout ----
[INFO] [stdout] 
[INFO] [stdout] thread 'test::trybuild_ui_tests' (24) panicked at /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/trybuild-1.0.83/src/run.rs:101:13:
[INFO] [stdout] 1 of 2 tests failed
[INFO] [stdout] stack backtrace:
[INFO] [stdout]    0:     0x5e211de4f7f2 - std::backtrace_rs::backtrace::libunwind::trace::hf0bd46b30bc61685
[INFO] [stdout]                                at /rustc/9b1f8ff42d110b0ca138116745be921df5dc97e7/library/std/src/../../backtrace/src/backtrace/libunwind.rs:117:9
[INFO] [stdout]    1:     0x5e211de4f7f2 - std::backtrace_rs::backtrace::trace_unsynchronized::h1d1fbb72ad89d7b7
[INFO] [stdout]                                at /rustc/9b1f8ff42d110b0ca138116745be921df5dc97e7/library/std/src/../../backtrace/src/backtrace/mod.rs:66:14
[INFO] [stdout]    2:     0x5e211de4f7f2 - std::sys::backtrace::_print_fmt::he38b6f68ca847f47
[INFO] [stdout]                                at /rustc/9b1f8ff42d110b0ca138116745be921df5dc97e7/library/std/src/sys/backtrace.rs:74:9
[INFO] [stdout]    3:     0x5e211de4f7f2 - <std::sys::backtrace::BacktraceLock::print::DisplayBacktrace as core::fmt::Display>::fmt::hb7e843cde1bc81a3
[INFO] [stdout]                                at /rustc/9b1f8ff42d110b0ca138116745be921df5dc97e7/library/std/src/sys/backtrace.rs:44:26
[INFO] [stdout]    4:     0x5e211de60a1a - core::fmt::rt::Argument::fmt::hc1dd77ac64f2688c
[INFO] [stdout]                                at /rustc/9b1f8ff42d110b0ca138116745be921df5dc97e7/library/core/src/fmt/rt.rs:152:76
[INFO] [stdout]    5:     0x5e211de60a1a - core::fmt::write::h952c506e2dbe9cff
[INFO] [stdout]    6:     0x5e211de1bf26 - std::io::default_write_fmt::hd23bd8145c03a23a
[INFO] [stdout]                                at /rustc/9b1f8ff42d110b0ca138116745be921df5dc97e7/library/std/src/io/mod.rs:639:11
[INFO] [stdout]    7:     0x5e211de1bf26 - std::io::Write::write_fmt::hdd3314a2bd8a34bd
[INFO] [stdout]                                at /rustc/9b1f8ff42d110b0ca138116745be921df5dc97e7/library/std/src/io/mod.rs:1994:13
[INFO] [stdout]    8:     0x5e211de2e519 - std::sys::backtrace::BacktraceLock::print::h1079b82381c2c252
[INFO] [stdout]                                at /rustc/9b1f8ff42d110b0ca138116745be921df5dc97e7/library/std/src/sys/backtrace.rs:47:9
[INFO] [stdout]    9:     0x5e211de2e519 - std::panicking::default_hook::{{closure}}::h85cb76b8462c00f2
[INFO] [stdout]                                at /rustc/9b1f8ff42d110b0ca138116745be921df5dc97e7/library/std/src/panicking.rs:292:27
[INFO] [stdout]   10:     0x5e211de2e3b1 - std::panicking::default_hook::h0134d220cc034c02
[INFO] [stdout]                                at /rustc/9b1f8ff42d110b0ca138116745be921df5dc97e7/library/std/src/panicking.rs:316:9
[INFO] [stdout]   11:     0x5e211ddef44e - <alloc::boxed::Box<F,A> as core::ops::function::Fn<Args>>::call::hb2e68dca3970e3ca
[INFO] [stdout]                                at /rustc/9b1f8ff42d110b0ca138116745be921df5dc97e7/library/alloc/src/boxed.rs:2220:9
[INFO] [stdout]   12:     0x5e211ddef44e - test::test_main_with_exit_callback::{{closure}}::ha7ec2063a2565ec3
[INFO] [stdout]                                at /rustc/9b1f8ff42d110b0ca138116745be921df5dc97e7/library/test/src/lib.rs:145:21
[INFO] [stdout]   13:     0x5e211de2e792 - <alloc::boxed::Box<F,A> as core::ops::function::Fn<Args>>::call::haebee478d0f56cf4
[INFO] [stdout]                                at /rustc/9b1f8ff42d110b0ca138116745be921df5dc97e7/library/alloc/src/boxed.rs:2220:9
[INFO] [stdout]   14:     0x5e211de2e792 - std::panicking::panic_with_hook::h8119b6db1fef734f
[INFO] [stdout]                                at /rustc/9b1f8ff42d110b0ca138116745be921df5dc97e7/library/std/src/panicking.rs:833:13
[INFO] [stdout]   15:     0x5e211de2e5d8 - std::panicking::panic_handler::{{closure}}::h24f5360b91482c0e
[INFO] [stdout]                                at /rustc/9b1f8ff42d110b0ca138116745be921df5dc97e7/library/std/src/panicking.rs:698:13
[INFO] [stdout]   16:     0x5e211de28dd9 - std::sys::backtrace::__rust_end_short_backtrace::h4e60c5cbd1bd0108
[INFO] [stdout]                                at /rustc/9b1f8ff42d110b0ca138116745be921df5dc97e7/library/std/src/sys/backtrace.rs:182:18
[INFO] [stdout]   17:     0x5e211de0f66d - __rustc[e4c6931bd8050421]::rust_begin_unwind
[INFO] [stdout]                                at /rustc/9b1f8ff42d110b0ca138116745be921df5dc97e7/library/std/src/panicking.rs:689:5
[INFO] [stdout]   18:     0x5e211de695bc - core::panicking::panic_fmt::hb1614a3ff6840071
[INFO] [stdout]                                at /rustc/9b1f8ff42d110b0ca138116745be921df5dc97e7/library/core/src/panicking.rs:80:14
[INFO] [stdout]   19:     0x5e211dd41ac9 - trybuild::run::<impl trybuild::Runner>::run::hde184935e71ce970
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/trybuild-1.0.83/src/run.rs:101:13
[INFO] [stdout]   20:     0x5e211dd3c828 - <trybuild::TestCases as core::ops::drop::Drop>::drop::h93e1ff475ec2e854
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/trybuild-1.0.83/src/lib.rs:315:38
[INFO] [stdout]   21:     0x5e211dc0a527 - core::ptr::drop_in_place<trybuild::TestCases>::ha11c9c194798f76a
[INFO] [stdout]                                at /rustc/9b1f8ff42d110b0ca138116745be921df5dc97e7/library/core/src/ptr/mod.rs:805:1
[INFO] [stdout]   22:     0x5e211dc0abf3 - uniffi::test::trybuild_ui_tests::h7f4a91d8419d96d8
[INFO] [stdout]                                at /opt/rustwide/workdir/src/lib.rs:38:5
[INFO] [stdout]   23:     0x5e211dc0ac27 - uniffi::test::trybuild_ui_tests::{{closure}}::hedecb1918e38886e
[INFO] [stdout]                                at /opt/rustwide/workdir/src/lib.rs:35:27
[INFO] [stdout]   24:     0x5e211dc0a4d6 - core::ops::function::FnOnce::call_once::h8af9e83044f680fd
[INFO] [stdout]                                at /rustc/9b1f8ff42d110b0ca138116745be921df5dc97e7/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   25:     0x5e211ddef24b - core::ops::function::FnOnce::call_once::hefaf63600cd43d2a
[INFO] [stdout]                                at /rustc/9b1f8ff42d110b0ca138116745be921df5dc97e7/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   26:     0x5e211ddef24b - test::__rust_begin_short_backtrace::he30322a73a0e9ea6
[INFO] [stdout]                                at /rustc/9b1f8ff42d110b0ca138116745be921df5dc97e7/library/test/src/lib.rs:663:18
[INFO] [stdout]   27:     0x5e211de02c1a - test::run_test_in_process::{{closure}}::hdea3ab8d0243ef36
[INFO] [stdout]                                at /rustc/9b1f8ff42d110b0ca138116745be921df5dc97e7/library/test/src/lib.rs:686:74
[INFO] [stdout]   28:     0x5e211de02c1a - <core::panic::unwind_safe::AssertUnwindSafe<F> as core::ops::function::FnOnce<()>>::call_once::h66d192f42498ffce
[INFO] [stdout]                                at /rustc/9b1f8ff42d110b0ca138116745be921df5dc97e7/library/core/src/panic/unwind_safe.rs:274:9
[INFO] [stdout]   29:     0x5e211de02c1a - std::panicking::catch_unwind::do_call::h822e18e8d3a6bb65
[INFO] [stdout]                                at /rustc/9b1f8ff42d110b0ca138116745be921df5dc97e7/library/std/src/panicking.rs:581:40
[INFO] [stdout]   30:     0x5e211de02c1a - std::panicking::catch_unwind::h54b1de7ceab578bf
[INFO] [stdout]                                at /rustc/9b1f8ff42d110b0ca138116745be921df5dc97e7/library/std/src/panicking.rs:544:19
[INFO] [stdout]   31:     0x5e211de02c1a - std::panic::catch_unwind::h60c29b7a9d0246b1
[INFO] [stdout]                                at /rustc/9b1f8ff42d110b0ca138116745be921df5dc97e7/library/std/src/panic.rs:359:14
[INFO] [stdout]   32:     0x5e211de02c1a - test::run_test_in_process::h6099b5f871379b13
[INFO] [stdout]                                at /rustc/9b1f8ff42d110b0ca138116745be921df5dc97e7/library/test/src/lib.rs:686:27
[INFO] [stdout]   33:     0x5e211de02c1a - test::run_test::{{closure}}::h926ce0a38281a4c8
[INFO] [stdout]                                at /rustc/9b1f8ff42d110b0ca138116745be921df5dc97e7/library/test/src/lib.rs:607:43
[INFO] [stdout]   34:     0x5e211dddd074 - test::run_test::{{closure}}::h508de21a9afc7140
[INFO] [stdout]                                at /rustc/9b1f8ff42d110b0ca138116745be921df5dc97e7/library/test/src/lib.rs:637:41
[INFO] [stdout]   35:     0x5e211dddd074 - std::sys::backtrace::__rust_begin_short_backtrace::h6e2f5c39ca00735a
[INFO] [stdout]                                at /rustc/9b1f8ff42d110b0ca138116745be921df5dc97e7/library/std/src/sys/backtrace.rs:166:18
[INFO] [stdout]   36:     0x5e211dde0932 - std::thread::lifecycle::spawn_unchecked::{{closure}}::{{closure}}::h133e44f0e5802c14
[INFO] [stdout]                                at /rustc/9b1f8ff42d110b0ca138116745be921df5dc97e7/library/std/src/thread/lifecycle.rs:91:13
[INFO] [stdout]   37:     0x5e211dde0932 - <core::panic::unwind_safe::AssertUnwindSafe<F> as core::ops::function::FnOnce<()>>::call_once::h4718c1285283955c
[INFO] [stdout]                                at /rustc/9b1f8ff42d110b0ca138116745be921df5dc97e7/library/core/src/panic/unwind_safe.rs:274:9
[INFO] [stdout]   38:     0x5e211dde0932 - std::panicking::catch_unwind::do_call::h0bba3937b4892238
[INFO] [stdout]                                at /rustc/9b1f8ff42d110b0ca138116745be921df5dc97e7/library/std/src/panicking.rs:581:40
[INFO] [stdout]   39:     0x5e211dde0932 - std::panicking::catch_unwind::h5b31cab5fb8c5d7f
[INFO] [stdout]                                at /rustc/9b1f8ff42d110b0ca138116745be921df5dc97e7/library/std/src/panicking.rs:544:19
[INFO] [stdout]   40:     0x5e211dde0932 - std::panic::catch_unwind::hb2fa05d52ed0124e
[INFO] [stdout]                                at /rustc/9b1f8ff42d110b0ca138116745be921df5dc97e7/library/std/src/panic.rs:359:14
[INFO] [stdout]   41:     0x5e211dde0932 - std::thread::lifecycle::spawn_unchecked::{{closure}}::hf401cf5ff501bd29
[INFO] [stderr] error: test failed, to rerun pass `--lib`
[INFO] [stdout]                                at /rustc/9b1f8ff42d110b0ca138116745be921df5dc97e7/library/std/src/thread/lifecycle.rs:89:26
[INFO] [stdout]   42:     0x5e211dde0932 - core::ops::function::FnOnce::call_once{{vtable.shim}}::h160022e94ce3b0bb
[INFO] [stdout]                                at /rustc/9b1f8ff42d110b0ca138116745be921df5dc97e7/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   43:     0x5e211de23d7f - <alloc::boxed::Box<F,A> as core::ops::function::FnOnce<Args>>::call_once::hf234e0d1d1d272ba
[INFO] [stdout]                                at /rustc/9b1f8ff42d110b0ca138116745be921df5dc97e7/library/alloc/src/boxed.rs:2206:9
[INFO] [stdout]   44:     0x5e211de23d7f - std::sys::thread::unix::Thread::new::thread_start::h106a295241840d3b
[INFO] [stdout]                                at /rustc/9b1f8ff42d110b0ca138116745be921df5dc97e7/library/std/src/sys/thread/unix.rs:127:17
[INFO] [stdout]   45:     0x7601ae49eaa4 - <unknown>
[INFO] [stdout]   46:     0x7601ae52ba64 - clone
[INFO] [stdout]   47:                0x0 - <unknown>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout]     test::trybuild_ui_tests
[INFO] [stdout] 
[INFO] [stdout] test result: FAILED. 0 passed; 1 failed; 0 ignored; 0 measured; 0 filtered out; finished in 29.49s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "2f4fe6d171a17aa7b6fe762336da2bec15c8b3f573c18f6d35460b300c86636e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2f4fe6d171a17aa7b6fe762336da2bec15c8b3f573c18f6d35460b300c86636e", kill_on_drop: false }`
[INFO] [stdout] 2f4fe6d171a17aa7b6fe762336da2bec15c8b3f573c18f6d35460b300c86636e
