[INFO] fetching crate jsonrpc-rs 0.1.6... [INFO] testing jsonrpc-rs-0.1.6 against beta-2025-09-21 for beta-1.91-3 [INFO] extracting crate jsonrpc-rs 0.1.6 into /workspace/builds/worker-6-tc2/source [INFO] started tweaking crates.io crate jsonrpc-rs 0.1.6 [INFO] finished tweaking crates.io crate jsonrpc-rs 0.1.6 [INFO] tweaked toml for crates.io crate jsonrpc-rs 0.1.6 written to /workspace/builds/worker-6-tc2/source/Cargo.toml [INFO] validating manifest of crates.io crate jsonrpc-rs 0.1.6 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] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2025-09-21" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Updating crates.io index [INFO] [stderr] Locking 124 packages to latest compatible versions [INFO] [stderr] Adding criterion v0.4.0 (available: v0.7.0) [INFO] [stderr] Adding pretty_env_logger v0.4.0 (available: v0.5.0) [INFO] [stderr] Adding thiserror v1.0.69 (available: v2.0.17) [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-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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] 5a549bcb25985b3c111121b6f518be4ee96e35a62548500f07f4d267e919ae06 [INFO] running `Command { std: "docker" "start" "-a" "5a549bcb25985b3c111121b6f518be4ee96e35a62548500f07f4d267e919ae06", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "5a549bcb25985b3c111121b6f518be4ee96e35a62548500f07f4d267e919ae06", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "5a549bcb25985b3c111121b6f518be4ee96e35a62548500f07f4d267e919ae06", kill_on_drop: false }` [INFO] [stdout] 5a549bcb25985b3c111121b6f518be4ee96e35a62548500f07f4d267e919ae06 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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] 110ca801d0bfee47d480b0ab7b8f58e19e69e69764345eac3a76faa2366a47f3 [INFO] running `Command { std: "docker" "start" "-a" "110ca801d0bfee47d480b0ab7b8f58e19e69e69764345eac3a76faa2366a47f3", kill_on_drop: false }` [INFO] [stderr] Compiling async-timer-rs v0.1.0 [INFO] [stderr] Compiling futures-executor v0.3.31 [INFO] [stderr] Compiling futures v0.3.31 [INFO] [stderr] Compiling completeq-rs v0.1.1 [INFO] [stderr] Compiling jsonrpc-rs v0.1.6 (/opt/rustwide/workdir) [INFO] [stdout] warning: struct `JSONRPC` is never constructed [INFO] [stdout] --> src/object.rs:82:8 [INFO] [stdout] | [INFO] [stdout] 82 | struct JSONRPC { [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: call to `.clone()` on a reference in this situation does nothing [INFO] [stdout] --> src/server/handler.rs:145:37 [INFO] [stdout] | [INFO] [stdout] 145 | let method_name = method.clone(); [INFO] [stdout] | ^^^^^^^^ help: remove this redundant call [INFO] [stdout] | [INFO] [stdout] = note: the type `str` does not implement `Clone`, so calling `clone` on `&str` copies the reference, which does not do anything and can be removed [INFO] [stdout] = note: `#[warn(noop_method_call)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 1.28s [INFO] running `Command { std: "docker" "inspect" "110ca801d0bfee47d480b0ab7b8f58e19e69e69764345eac3a76faa2366a47f3", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "110ca801d0bfee47d480b0ab7b8f58e19e69e69764345eac3a76faa2366a47f3", kill_on_drop: false }` [INFO] [stdout] 110ca801d0bfee47d480b0ab7b8f58e19e69e69764345eac3a76faa2366a47f3 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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] a38578872e96634d2fdf1a05a39372409373bdeb0cb8257d43e709a79b30b4de [INFO] running `Command { std: "docker" "start" "-a" "a38578872e96634d2fdf1a05a39372409373bdeb0cb8257d43e709a79b30b4de", kill_on_drop: false }` [INFO] [stderr] Compiling futures-io v0.3.31 [INFO] [stderr] Compiling parking v2.2.1 [INFO] [stderr] Compiling value-bag v1.11.1 [INFO] [stderr] Compiling concurrent-queue v2.5.0 [INFO] [stderr] Compiling rustix v1.1.2 [INFO] [stderr] Compiling linux-raw-sys v0.11.0 [INFO] [stderr] Compiling serde v1.0.228 [INFO] [stderr] Compiling async-io v2.6.0 [INFO] [stderr] Compiling async-task v4.7.1 [INFO] [stderr] Compiling futures-lite v2.6.1 [INFO] [stderr] Compiling futures-util v0.3.31 [INFO] [stderr] Compiling serde_json v1.0.145 [INFO] [stderr] Compiling piper v0.2.4 [INFO] [stderr] Compiling log v0.4.28 [INFO] [stderr] Compiling event-listener v5.4.1 [INFO] [stderr] Compiling humantime v1.3.0 [INFO] [stderr] Compiling event-listener-strategy v0.5.4 [INFO] [stderr] Compiling async-timer-rs v0.1.0 [INFO] [stderr] Compiling env_logger v0.7.1 [INFO] [stderr] Compiling async-channel v2.5.0 [INFO] [stderr] Compiling async-lock v3.4.1 [INFO] [stderr] Compiling async-channel v1.9.0 [INFO] [stderr] Compiling async-executor v1.13.3 [INFO] [stderr] Compiling blocking v1.6.2 [INFO] [stderr] Compiling async-attributes v1.1.2 [INFO] [stderr] Compiling tinytemplate v1.2.1 [INFO] [stderr] Compiling ciborium v0.2.2 [INFO] [stderr] Compiling kv-log-macro v1.0.7 [INFO] [stderr] Compiling pretty_env_logger v0.4.0 [INFO] [stderr] Compiling dotenv v0.15.0 [INFO] [stderr] Compiling futures-executor v0.3.31 [INFO] [stderr] Compiling futures v0.3.31 [INFO] [stderr] Compiling completeq-rs v0.1.1 [INFO] [stderr] Compiling criterion v0.4.0 [INFO] [stderr] Compiling jsonrpc-rs v0.1.6 (/opt/rustwide/workdir) [INFO] [stdout] warning: struct `JSONRPC` is never constructed [INFO] [stdout] --> src/object.rs:82:8 [INFO] [stdout] | [INFO] [stdout] 82 | struct JSONRPC { [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: call to `.clone()` on a reference in this situation does nothing [INFO] [stdout] --> src/server/handler.rs:145:37 [INFO] [stdout] | [INFO] [stdout] 145 | let method_name = method.clone(); [INFO] [stdout] | ^^^^^^^^ help: remove this redundant call [INFO] [stdout] | [INFO] [stdout] = note: the type `str` does not implement `Clone`, so calling `clone` on `&str` copies the reference, which does not do anything and can be removed [INFO] [stdout] = note: `#[warn(noop_method_call)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Compiling polling v3.11.0 [INFO] [stderr] Compiling async-global-executor v2.4.1 [INFO] [stderr] Compiling async-std v1.13.2 [INFO] [stdout] warning: struct `JSONRPC` is never constructed [INFO] [stdout] --> src/object.rs:82:8 [INFO] [stdout] | [INFO] [stdout] 82 | struct JSONRPC { [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: call to `.clone()` on a reference in this situation does nothing [INFO] [stdout] --> src/server/handler.rs:145:37 [INFO] [stdout] | [INFO] [stdout] 145 | let method_name = method.clone(); [INFO] [stdout] | ^^^^^^^^ help: remove this redundant call [INFO] [stdout] | [INFO] [stdout] = note: the type `str` does not implement `Clone`, so calling `clone` on `&str` copies the reference, which does not do anything and can be removed [INFO] [stdout] = note: `#[warn(noop_method_call)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `test` profile [unoptimized + debuginfo] target(s) in 29.96s [INFO] running `Command { std: "docker" "inspect" "a38578872e96634d2fdf1a05a39372409373bdeb0cb8257d43e709a79b30b4de", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "a38578872e96634d2fdf1a05a39372409373bdeb0cb8257d43e709a79b30b4de", kill_on_drop: false }` [INFO] [stdout] a38578872e96634d2fdf1a05a39372409373bdeb0cb8257d43e709a79b30b4de [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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", kill_on_drop: false }` [INFO] [stdout] b91c72d194818370580a1cad859088af23e0d0e749a8cf470fe42f4b16410f2d [INFO] running `Command { std: "docker" "start" "-a" "b91c72d194818370580a1cad859088af23e0d0e749a8cf470fe42f4b16410f2d", kill_on_drop: false }` [INFO] [stderr] warning: struct `JSONRPC` is never constructed [INFO] [stderr] --> src/object.rs:82:8 [INFO] [stderr] | [INFO] [stderr] 82 | struct JSONRPC { [INFO] [stderr] | ^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default [INFO] [stderr] [INFO] [stderr] warning: call to `.clone()` on a reference in this situation does nothing [INFO] [stderr] --> src/server/handler.rs:145:37 [INFO] [stderr] | [INFO] [stderr] 145 | let method_name = method.clone(); [INFO] [stderr] | ^^^^^^^^ help: remove this redundant call [INFO] [stderr] | [INFO] [stderr] = note: the type `str` does not implement `Clone`, so calling `clone` on `&str` copies the reference, which does not do anything and can be removed [INFO] [stderr] = note: `#[warn(noop_method_call)]` on by default [INFO] [stderr] [INFO] [stderr] warning: `jsonrpc-rs` (lib) generated 2 warnings (run `cargo fix --lib -p jsonrpc-rs` to apply 1 suggestion) [INFO] [stderr] warning: `jsonrpc-rs` (lib test) generated 2 warnings (2 duplicates) [INFO] [stderr] Finished `test` profile [unoptimized + debuginfo] target(s) in 0.19s [INFO] [stderr] Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/jsonrpc_rs-5fc79285d7195645) [INFO] [stdout] [INFO] [stdout] running 4 tests [INFO] [stdout] test object::tests::test_tuple_params ... ok [INFO] [stdout] test object::tests::test_array_params ... ok [INFO] [stdout] test object::tests::test_object_params ... ok [INFO] [stdout] test object::tests::test_version_check ... ok [INFO] [stdout] [INFO] [stdout] test result: ok. 4 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.01s [INFO] [stdout] [INFO] [stderr] Running tests/pingpong.rs (/opt/rustwide/target/debug/deps/pingpong-9f007a04e41e028e) [INFO] [stdout] [INFO] [stdout] running 1 test [INFO] [stdout] test pingpong ... ok [INFO] [stdout] [INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s [INFO] [stdout] [INFO] [stderr] Doc-tests jsonrpc_rs [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" "b91c72d194818370580a1cad859088af23e0d0e749a8cf470fe42f4b16410f2d", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "b91c72d194818370580a1cad859088af23e0d0e749a8cf470fe42f4b16410f2d", kill_on_drop: false }` [INFO] [stdout] b91c72d194818370580a1cad859088af23e0d0e749a8cf470fe42f4b16410f2d