[INFO] fetching crate json-rpc2 0.11.1... [INFO] testing json-rpc2-0.11.1 against beta-2025-09-21 for beta-1.91-3 [INFO] extracting crate json-rpc2 0.11.1 into /workspace/builds/worker-3-tc2/source [INFO] removed /workspace/builds/worker-3-tc2/source/rust-toolchain [INFO] started tweaking crates.io crate json-rpc2 0.11.1 [INFO] finished tweaking crates.io crate json-rpc2 0.11.1 [INFO] tweaked toml for crates.io crate json-rpc2 0.11.1 written to /workspace/builds/worker-3-tc2/source/Cargo.toml [INFO] validating manifest of crates.io crate json-rpc2 0.11.1 on toolchain beta-2025-09-21 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2025-09-21" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] crate crates.io crate json-rpc2 0.11.1 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-2025-09-21" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-09-21" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 3836b4ddbb08c59edd5cbff754bc302f6feb7826dd6f942d74a2a1bfb9826b28 [INFO] running `Command { std: "docker" "start" "-a" "3836b4ddbb08c59edd5cbff754bc302f6feb7826dd6f942d74a2a1bfb9826b28", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "3836b4ddbb08c59edd5cbff754bc302f6feb7826dd6f942d74a2a1bfb9826b28", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "3836b4ddbb08c59edd5cbff754bc302f6feb7826dd6f942d74a2a1bfb9826b28", kill_on_drop: false }` [INFO] [stdout] 3836b4ddbb08c59edd5cbff754bc302f6feb7826dd6f942d74a2a1bfb9826b28 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-09-21" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] b4de1e044ec767bf2c3098764778a12ec4c0e4f77225acfd4a8409c76489ac18 [INFO] running `Command { std: "docker" "start" "-a" "b4de1e044ec767bf2c3098764778a12ec4c0e4f77225acfd4a8409c76489ac18", kill_on_drop: false }` [INFO] [stderr] Compiling syn v1.0.88 [INFO] [stderr] Compiling libc v0.2.120 [INFO] [stderr] Compiling ppv-lite86 v0.2.16 [INFO] [stderr] Compiling getrandom v0.2.5 [INFO] [stderr] Compiling rand_core v0.6.3 [INFO] [stderr] Compiling rand_chacha v0.3.1 [INFO] [stderr] Compiling rand v0.8.5 [INFO] [stderr] Compiling serde_derive v1.0.136 [INFO] [stderr] Compiling thiserror-impl v1.0.30 [INFO] [stderr] Compiling thiserror v1.0.30 [INFO] [stderr] Compiling serde v1.0.136 [INFO] [stderr] Compiling serde_json v1.0.79 [INFO] [stderr] Compiling json-rpc2 v0.11.1 (/opt/rustwide/workdir) [INFO] [stdout] warning: enum `MockError` is never used [INFO] [stdout] --> src/lib.rs:506:10 [INFO] [stdout] | [INFO] [stdout] 506 | enum MockError { [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 `HelloServiceHandler` is never constructed [INFO] [stdout] --> src/lib.rs:511:12 [INFO] [stdout] | [INFO] [stdout] 511 | struct HelloServiceHandler; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: struct `InternalErrorService` is never constructed [INFO] [stdout] --> src/lib.rs:531:12 [INFO] [stdout] | [INFO] [stdout] 531 | struct InternalErrorService; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: struct `InternalRpcErrorService` is never constructed [INFO] [stdout] --> src/lib.rs:546:12 [INFO] [stdout] | [INFO] [stdout] 546 | struct InternalRpcErrorService; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 10.87s [INFO] running `Command { std: "docker" "inspect" "b4de1e044ec767bf2c3098764778a12ec4c0e4f77225acfd4a8409c76489ac18", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "b4de1e044ec767bf2c3098764778a12ec4c0e4f77225acfd4a8409c76489ac18", kill_on_drop: false }` [INFO] [stdout] b4de1e044ec767bf2c3098764778a12ec4c0e4f77225acfd4a8409c76489ac18 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-09-21" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 0e93000c9dcca46d08590d8013f7a3180cc29c70c88824dd85c58f7c4c97ba35 [INFO] running `Command { std: "docker" "start" "-a" "0e93000c9dcca46d08590d8013f7a3180cc29c70c88824dd85c58f7c4c97ba35", kill_on_drop: false }` [INFO] [stderr] Compiling parking_lot_core v0.9.1 [INFO] [stderr] Compiling lock_api v0.4.6 [INFO] [stderr] Compiling signal-hook-registry v1.4.0 [INFO] [stderr] Compiling socket2 v0.4.4 [INFO] [stderr] Compiling num_cpus v1.13.1 [INFO] [stderr] Compiling mio v0.8.1 [INFO] [stderr] Compiling tokio-macros v1.7.0 [INFO] [stdout] warning: enum `MockError` is never used [INFO] [stdout] --> src/lib.rs:506:10 [INFO] [stdout] | [INFO] [stdout] 506 | enum MockError { [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 `HelloServiceHandler` is never constructed [INFO] [stdout] --> src/lib.rs:511:12 [INFO] [stdout] | [INFO] [stdout] 511 | struct HelloServiceHandler; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: struct `InternalErrorService` is never constructed [INFO] [stdout] --> src/lib.rs:531:12 [INFO] [stdout] | [INFO] [stdout] 531 | struct InternalErrorService; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: struct `InternalRpcErrorService` is never constructed [INFO] [stdout] --> src/lib.rs:546:12 [INFO] [stdout] | [INFO] [stdout] 546 | struct InternalRpcErrorService; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Compiling parking_lot v0.12.0 [INFO] [stderr] Compiling tokio v1.17.0 [INFO] [stderr] Compiling json-rpc2 v0.11.1 (/opt/rustwide/workdir) [INFO] [stdout] error[E0432]: unresolved import `async_trait` [INFO] [stdout] --> src/futures.rs:4:5 [INFO] [stdout] | [INFO] [stdout] 4 | 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] [INFO] [stdout] error[E0432]: unresolved import `json_rpc2::futures` [INFO] [stdout] --> examples/async.rs:2:17 [INFO] [stdout] | [INFO] [stdout] 2 | use json_rpc2::{futures::*, Request, Response, Result}; [INFO] [stdout] | ^^^^^^^ could not find `futures` in `json_rpc2` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0432]: unresolved import `async_trait` [INFO] [stdout] --> examples/async.rs:1:5 [INFO] [stdout] | [INFO] [stdout] 1 | 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] [INFO] [stdout] For more information about this error, try `rustc --explain E0432`. [INFO] [stdout] [INFO] [stdout] error[E0038]: the trait `futures::Service` is not dyn compatible [INFO] [stdout] --> src/futures.rs:30:27 [INFO] [stdout] | [INFO] [stdout] 30 | services: Vec<&'a Box>>, [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^ `futures::Service` 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 [INFO] [stdout] --> src/futures.rs:15:14 [INFO] [stdout] | [INFO] [stdout] 10 | pub trait Service: Send + Sync { [INFO] [stdout] | ------- this trait is not dyn compatible... [INFO] [stdout] ... [INFO] [stdout] 15 | async fn handle( [INFO] [stdout] | ^^^^^^ ...because method `handle` is `async` [INFO] [stdout] = help: consider moving `handle` to another trait [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] error: could not compile `json-rpc2` (example "async") due to 2 previous errors [INFO] [stderr] warning: build failed, waiting for other jobs to finish... [INFO] [stdout] error[E0038]: the trait `futures::Service` is not dyn compatible [INFO] [stdout] --> src/futures.rs:35:38 [INFO] [stdout] | [INFO] [stdout] 35 | pub fn new(services: Vec<&'a Box>>) -> Self { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^ `futures::Service` 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 [INFO] [stdout] --> src/futures.rs:15:14 [INFO] [stdout] | [INFO] [stdout] 10 | pub trait Service: Send + Sync { [INFO] [stdout] | ------- this trait is not dyn compatible... [INFO] [stdout] ... [INFO] [stdout] 15 | async fn handle( [INFO] [stdout] | ^^^^^^ ...because method `handle` is `async` [INFO] [stdout] = help: consider moving `handle` to another trait [INFO] [stdout] help: you might have meant to use `Self` to refer to the implementing type [INFO] [stdout] | [INFO] [stdout] 35 - pub fn new(services: Vec<&'a Box>>) -> Self { [INFO] [stdout] 35 + pub fn new(services: Vec<&'a Box>) -> Self { [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0038]: the trait `futures::Service` is not dyn compatible [INFO] [stdout] --> src/futures.rs:48:24 [INFO] [stdout] | [INFO] [stdout] 48 | for service in self.services.iter() { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^ `futures::Service` 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 [INFO] [stdout] --> src/futures.rs:15:14 [INFO] [stdout] | [INFO] [stdout] 10 | pub trait Service: Send + Sync { [INFO] [stdout] | ------- this trait is not dyn compatible... [INFO] [stdout] ... [INFO] [stdout] 15 | async fn handle( [INFO] [stdout] | ^^^^^^ ...because method `handle` is `async` [INFO] [stdout] = help: consider moving `handle` to another trait [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0038]: the trait `futures::Service` is not dyn compatible [INFO] [stdout] --> src/futures.rs:36:16 [INFO] [stdout] | [INFO] [stdout] 36 | Self { services } [INFO] [stdout] | ^^^^^^^^ `futures::Service` 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 [INFO] [stdout] --> src/futures.rs:15:14 [INFO] [stdout] | [INFO] [stdout] 10 | pub trait Service: Send + Sync { [INFO] [stdout] | ------- this trait is not dyn compatible... [INFO] [stdout] ... [INFO] [stdout] 15 | async fn handle( [INFO] [stdout] | ^^^^^^ ...because method `handle` is `async` [INFO] [stdout] = help: consider moving `handle` to another trait [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] Some errors have detailed explanations: E0038, E0432. [INFO] [stdout] [INFO] [stdout] For more information about an error, try `rustc --explain E0038`. [INFO] [stdout] [INFO] [stderr] error: could not compile `json-rpc2` (lib test) due to 5 previous errors [INFO] running `Command { std: "docker" "inspect" "0e93000c9dcca46d08590d8013f7a3180cc29c70c88824dd85c58f7c4c97ba35", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "0e93000c9dcca46d08590d8013f7a3180cc29c70c88824dd85c58f7c4c97ba35", kill_on_drop: false }` [INFO] [stdout] 0e93000c9dcca46d08590d8013f7a3180cc29c70c88824dd85c58f7c4c97ba35