[INFO] fetching crate arc-handle 1.0.0...
[INFO] testing arc-handle-1.0.0 against beta-2026-03-05 for beta-1.95-1
[INFO] extracting crate arc-handle 1.0.0 into /workspace/builds/worker-1-tc2/source
[INFO] started tweaking crates.io crate arc-handle 1.0.0
[INFO] finished tweaking crates.io crate arc-handle 1.0.0
[INFO] tweaked toml for crates.io crate arc-handle 1.0.0 written to /workspace/builds/worker-1-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate arc-handle 1.0.0 on toolchain beta-2026-03-05
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2026-03-05" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate arc-handle 1.0.0 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-2026-03-05" "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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2026-03-05" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] c4d47fb09dd64931f7ef218d5b840259976557623e13de646d8639fd3ee6b4cc
[INFO] running `Command { std: "docker" "start" "-a" "c4d47fb09dd64931f7ef218d5b840259976557623e13de646d8639fd3ee6b4cc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "c4d47fb09dd64931f7ef218d5b840259976557623e13de646d8639fd3ee6b4cc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c4d47fb09dd64931f7ef218d5b840259976557623e13de646d8639fd3ee6b4cc", kill_on_drop: false }`
[INFO] [stdout] c4d47fb09dd64931f7ef218d5b840259976557623e13de646d8639fd3ee6b4cc
[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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2026-03-05" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] d0c92d38e092c2121b3ca50f0b29028dad07fd5f3a5a8b57559879367291a4d1
[INFO] running `Command { std: "docker" "start" "-a" "d0c92d38e092c2121b3ca50f0b29028dad07fd5f3a5a8b57559879367291a4d1", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v2.0.104
[INFO] [stderr]    Compiling arc-handle v1.0.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 4.26s
[INFO] running `Command { std: "docker" "inspect" "d0c92d38e092c2121b3ca50f0b29028dad07fd5f3a5a8b57559879367291a4d1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d0c92d38e092c2121b3ca50f0b29028dad07fd5f3a5a8b57559879367291a4d1", kill_on_drop: false }`
[INFO] [stdout] d0c92d38e092c2121b3ca50f0b29028dad07fd5f3a5a8b57559879367291a4d1
[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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2026-03-05" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] e7c7e394fe9fae398fe83b564ac0ca9dc48da13a6890eb2a41d0f4a82fa19ea5
[INFO] running `Command { std: "docker" "start" "-a" "e7c7e394fe9fae398fe83b564ac0ca9dc48da13a6890eb2a41d0f4a82fa19ea5", kill_on_drop: false }`
[INFO] [stderr]    Compiling arc-handle v1.0.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.50s
[INFO] running `Command { std: "docker" "inspect" "e7c7e394fe9fae398fe83b564ac0ca9dc48da13a6890eb2a41d0f4a82fa19ea5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e7c7e394fe9fae398fe83b564ac0ca9dc48da13a6890eb2a41d0f4a82fa19ea5", kill_on_drop: false }`
[INFO] [stdout] e7c7e394fe9fae398fe83b564ac0ca9dc48da13a6890eb2a41d0f4a82fa19ea5
[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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2026-03-05" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 2668cb1ec802f553962ecf7ae38af8331c2eec951f8fba115a0b52853244e3cc
[INFO] running `Command { std: "docker" "start" "-a" "2668cb1ec802f553962ecf7ae38af8331c2eec951f8fba115a0b52853244e3cc", kill_on_drop: false }`
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.09s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/arc_handle-8b0de99ac995b66a)
[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]    Doc-tests arc_handle
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test src/lib.rs - arc_handle (line 13) ... FAILED
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout] 
[INFO] [stdout] ---- src/lib.rs - arc_handle (line 13) stdout ----
[INFO] [stdout] error[E0432]: unresolved import `async_trait`
[INFO] [stdout]   --> src/lib.rs:16:5
[INFO] [stdout]    |
[INFO] [stdout] 16 | use async_trait::async_trait;
[INFO] [stdout]    |     ^^^^^^^^^^^ use of unresolved module or unlinked crate `async_trait`
[INFO] [stdout]    |
[INFO] [stdout]    = help: if you wanted to use a crate named `async_trait`, use `cargo add async_trait` to add it to your `Cargo.toml`
[INFO] [stdout] 
[INFO] [stdout] error[E0038]: the trait `MyTraitImpl` is not dyn compatible
[INFO] [stdout]   --> src/lib.rs:18:1
[INFO] [stdout]    |
[INFO] [stdout] 18 | #[arc_handle]
[INFO] [stdout]    | ^^^^^^^^^^^^^ `MyTraitImpl` is not dyn compatible
[INFO] [stdout]    |
[INFO] [stdout] note: for a trait to be dyn compatible it needs to allow building a vtable
[INFO] [stdout]       for more information, visit <https://doc.rust-lang.org/reference/items/traits.html#dyn-compatibility>
[INFO] [stdout]   --> src/lib.rs:21:14
[INFO] [stdout]    |
[INFO] [stdout] 20 | pub trait MyTrait {
[INFO] [stdout]    |           ------- this trait is not dyn compatible...
[INFO] [stdout] 21 |     async fn do_something(&self, value: i32) -> String;
[INFO] [stdout]    |              ^^^^^^^^^^^^ ...because method `do_something` is `async`
[INFO] [stdout]    = help: consider moving `do_something` to another trait
[INFO] [stdout]    = note: this error originates in the attribute macro `arc_handle` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] error[E0038]: the trait `MyTraitImpl` is not dyn compatible
[INFO] [stdout]   --> src/lib.rs:18:1
[INFO] [stdout]    |
[INFO] [stdout] 18 | #[arc_handle]
[INFO] [stdout]    | ^^^^^^^^^^^^^ `MyTraitImpl` is not dyn compatible
[INFO] [stdout]    |
[INFO] [stdout] note: for a trait to be dyn compatible it needs to allow building a vtable
[INFO] [stdout]       for more information, visit <https://doc.rust-lang.org/reference/items/traits.html#dyn-compatibility>
[INFO] [stdout]   --> src/lib.rs:21:14
[INFO] [stdout]    |
[INFO] [stdout] 20 | pub trait MyTrait {
[INFO] [stdout]    |           ------- this trait is not dyn compatible...
[INFO] [stdout] 21 |     async fn do_something(&self, value: i32) -> String;
[INFO] [stdout]    |              ^^^^^^^^^^^^ ...because method `do_something` is `async`
[INFO] [stdout]    = help: consider moving `do_something` to another trait
[INFO] [stdout]    = note: this error originates in the attribute macro `arc_handle` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] help: you might have meant to use `Self` to refer to the implementing type
[INFO] [stdout]    |
[INFO] [stdout] 18 - #[arc_handle]
[INFO] [stdout] 18 + Self
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] error[E0038]: the trait `MyTraitImpl` is not dyn compatible
[INFO] [stdout]   --> src/lib.rs:18:1
[INFO] [stdout]    |
[INFO] [stdout] 18 | #[arc_handle]
[INFO] [stdout]    | ^^^^^^^^^^^^^ `MyTraitImpl` is not dyn compatible
[INFO] [stdout]    |
[INFO] [stdout] note: for a trait to be dyn compatible it needs to allow building a vtable
[INFO] [stdout]       for more information, visit <https://doc.rust-lang.org/reference/items/traits.html#dyn-compatibility>
[INFO] [stdout]   --> src/lib.rs:21:14
[INFO] [stdout]    |
[INFO] [stdout] 20 | pub trait MyTrait {
[INFO] [stdout]    |           ------- this trait is not dyn compatible...
[INFO] [stdout] 21 |     async fn do_something(&self, value: i32) -> String;
[INFO] [stdout]    |              ^^^^^^^^^^^^ ...because method `do_something` is `async`
[INFO] [stdout]    = help: consider moving `do_something` to another trait
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 4 previous errors
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0038, E0432.
[INFO] [stdout] For more information about an error, try `rustc --explain E0038`.
[INFO] [stdout] Couldn't compile the test.
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout]     src/lib.rs - arc_handle (line 13)
[INFO] [stdout] 
[INFO] [stdout] test result: FAILED. 0 passed; 1 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.12s
[INFO] [stdout] 
[INFO] [stdout] all doctests ran in 0.28s; merged doctests compilation took 0.16s
[INFO] [stderr] error: doctest failed, to rerun pass `--doc`
[INFO] running `Command { std: "docker" "inspect" "2668cb1ec802f553962ecf7ae38af8331c2eec951f8fba115a0b52853244e3cc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2668cb1ec802f553962ecf7ae38af8331c2eec951f8fba115a0b52853244e3cc", kill_on_drop: false }`
[INFO] [stdout] 2668cb1ec802f553962ecf7ae38af8331c2eec951f8fba115a0b52853244e3cc
