[INFO] fetching crate jsonrpc-rs 0.1.6...
[INFO] checking jsonrpc-rs-0.1.6 against try#a4980311fb7bb9e7893708e6bd3fbbfb2819fd3d for pr-145342-1
[INFO] extracting crate jsonrpc-rs 0.1.6 into /workspace/builds/worker-4-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-4-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate jsonrpc-rs 0.1.6 on toolchain a4980311fb7bb9e7893708e6bd3fbbfb2819fd3d
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+a4980311fb7bb9e7893708e6bd3fbbfb2819fd3d" "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" "+a4980311fb7bb9e7893708e6bd3fbbfb2819fd3d" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]      Locking 132 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: v2.0.16)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+a4980311fb7bb9e7893708e6bd3fbbfb2819fd3d" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+a4980311fb7bb9e7893708e6bd3fbbfb2819fd3d" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] b398d393e5f64717f6e4d90d4c928291de3c526869df00e669e1237f8ef59c66
[INFO] running `Command { std: "docker" "start" "-a" "b398d393e5f64717f6e4d90d4c928291de3c526869df00e669e1237f8ef59c66", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "b398d393e5f64717f6e4d90d4c928291de3c526869df00e669e1237f8ef59c66", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b398d393e5f64717f6e4d90d4c928291de3c526869df00e669e1237f8ef59c66", kill_on_drop: false }`
[INFO] [stdout] b398d393e5f64717f6e4d90d4c928291de3c526869df00e669e1237f8ef59c66
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+a4980311fb7bb9e7893708e6bd3fbbfb2819fd3d" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 730aeacd3be6dcef5d3e6b1c6ac005bb5983d7df8f8dd706376c922f36323658
[INFO] running `Command { std: "docker" "start" "-a" "730aeacd3be6dcef5d3e6b1c6ac005bb5983d7df8f8dd706376c922f36323658", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.101
[INFO] [stderr]    Compiling unicode-ident v1.0.18
[INFO] [stderr]    Compiling crossbeam-utils v0.8.21
[INFO] [stderr]     Checking pin-project-lite v0.2.16
[INFO] [stderr]     Checking futures-core v0.3.31
[INFO] [stderr]     Checking memchr v2.7.5
[INFO] [stderr]     Checking futures-io v0.3.31
[INFO] [stderr]    Compiling libc v0.2.175
[INFO] [stderr]     Checking slab v0.4.11
[INFO] [stderr]     Checking parking v2.2.1
[INFO] [stderr]    Compiling autocfg v1.5.0
[INFO] [stderr]     Checking value-bag v1.11.1
[INFO] [stderr]     Checking cfg-if v1.0.3
[INFO] [stderr]     Checking futures-sink v0.3.31
[INFO] [stderr]     Checking fastrand v2.3.0
[INFO] [stderr]     Checking pin-utils v0.1.0
[INFO] [stderr]    Compiling serde v1.0.219
[INFO] [stderr]     Checking futures-task v0.3.31
[INFO] [stderr]    Compiling rustix v1.0.8
[INFO] [stderr]     Checking bitflags v2.9.3
[INFO] [stderr]     Checking once_cell v1.21.3
[INFO] [stderr]    Compiling serde_json v1.0.143
[INFO] [stderr]     Checking linux-raw-sys v0.9.4
[INFO] [stderr]     Checking regex-syntax v0.8.6
[INFO] [stderr]     Checking futures-channel v0.3.31
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]     Checking log v0.4.27
[INFO] [stderr]     Checking itoa v1.0.15
[INFO] [stderr]    Compiling rayon-core v1.13.0
[INFO] [stderr]     Checking async-task v4.7.1
[INFO] [stderr]    Compiling thiserror v1.0.69
[INFO] [stderr]     Checking futures-lite v2.6.1
[INFO] [stderr]     Checking ryu v1.0.20
[INFO] [stderr]     Checking either v1.15.0
[INFO] [stderr]     Checking atomic-waker v1.1.2
[INFO] [stderr]     Checking half v2.6.0
[INFO] [stderr]     Checking ciborium-io v0.2.2
[INFO] [stderr]     Checking hashbrown v0.12.3
[INFO] [stderr]     Checking plotters-backend v0.3.7
[INFO] [stderr]    Compiling anyhow v1.0.99
[INFO] [stderr]     Checking piper v0.2.4
[INFO] [stderr]     Checking quick-error v1.2.3
[INFO] [stderr]     Checking os_str_bytes v6.6.1
[INFO] [stderr]    Compiling num-traits v0.2.19
[INFO] [stderr]    Compiling indexmap v1.9.3
[INFO] [stderr]    Compiling quote v1.0.40
[INFO] [stderr]     Checking ciborium-ll v0.2.2
[INFO] [stderr]     Checking plotters-svg v0.3.7
[INFO] [stderr]     Checking clap_lex v0.2.4
[INFO] [stderr]     Checking humantime v1.3.0
[INFO] [stderr]     Checking itertools v0.10.5
[INFO] [stderr]     Checking async-timer-rs v0.1.0
[INFO] [stderr]     Checking aho-corasick v1.1.3
[INFO] [stderr]     Checking termcolor v1.4.1
[INFO] [stderr]     Checking textwrap v0.16.2
[INFO] [stderr]     Checking concurrent-queue v2.5.0
[INFO] [stderr]     Checking crossbeam-epoch v0.9.18
[INFO] [stderr]     Checking cast v0.3.0
[INFO] [stderr]    Compiling syn v2.0.106
[INFO] [stderr]     Checking event-listener v2.5.3
[INFO] [stderr]     Checking same-file v1.0.6
[INFO] [stderr]     Checking bitflags v1.3.2
[INFO] [stderr]     Checking event-listener v5.4.1
[INFO] [stderr]     Checking async-channel v1.9.0
[INFO] [stderr]     Checking kv-log-macro v1.0.7
[INFO] [stderr]     Checking walkdir v2.5.0
[INFO] [stderr]     Checking async-executor v1.13.2
[INFO] [stderr]     Checking anes v0.1.6
[INFO] [stderr]     Checking clap v3.2.25
[INFO] [stderr]     Checking crossbeam-deque v0.8.6
[INFO] [stderr]     Checking lazy_static v1.5.0
[INFO] [stderr]     Checking oorandom v11.1.5
[INFO] [stderr]     Checking bytes v1.10.1
[INFO] [stderr]     Checking dotenv v0.15.0
[INFO] [stderr]     Checking event-listener-strategy v0.5.4
[INFO] [stderr]     Checking plotters v0.3.7
[INFO] [stderr]     Checking async-lock v3.4.1
[INFO] [stderr]     Checking async-channel v2.5.0
[INFO] [stderr]     Checking num_cpus v1.17.0
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking blocking v1.6.2
[INFO] [stderr]     Checking rayon v1.11.0
[INFO] [stderr]     Checking criterion-plot v0.5.0
[INFO] [stderr]     Checking regex-automata v0.4.10
[INFO] [stderr]    Compiling async-attributes v1.1.2
[INFO] [stderr]    Compiling futures-macro v0.3.31
[INFO] [stderr]    Compiling serde_derive v1.0.219
[INFO] [stderr]    Compiling thiserror-impl v1.0.69
[INFO] [stderr]     Checking regex v1.11.2
[INFO] [stderr]     Checking env_logger v0.7.1
[INFO] [stderr]     Checking futures-util v0.3.31
[INFO] [stderr]     Checking polling v3.10.0
[INFO] [stderr]     Checking async-io v2.5.0
[INFO] [stderr]     Checking pretty_env_logger v0.4.0
[INFO] [stderr]     Checking async-global-executor v2.4.1
[INFO] [stderr]     Checking async-std v1.13.2
[INFO] [stderr]     Checking futures-executor v0.3.31
[INFO] [stderr]     Checking futures v0.3.31
[INFO] [stderr]     Checking completeq-rs v0.1.1
[INFO] [stderr]     Checking ciborium v0.2.2
[INFO] [stderr]     Checking tinytemplate v1.2.1
[INFO] [stderr]     Checking jsonrpc-rs v0.1.6 (/opt/rustwide/workdir)
[INFO] [stderr]     Checking criterion v0.4.0
[INFO] [stdout] warning: struct `JSONRPC` is never constructed
[INFO] [stdout]   --> src/object.rs:82:8
[INFO] [stdout]    |
[INFO] [stdout] 82 | struct JSONRPC<S, P, R, D> {
[INFO] [stdout]    |        ^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` 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] [stdout] warning: struct `JSONRPC` is never constructed
[INFO] [stdout]   --> src/object.rs:82:8
[INFO] [stdout]    |
[INFO] [stdout] 82 | struct JSONRPC<S, P, R, D> {
[INFO] [stdout]    |        ^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` 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 18.79s
[INFO] running `Command { std: "docker" "inspect" "730aeacd3be6dcef5d3e6b1c6ac005bb5983d7df8f8dd706376c922f36323658", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "730aeacd3be6dcef5d3e6b1c6ac005bb5983d7df8f8dd706376c922f36323658", kill_on_drop: false }`
[INFO] [stdout] 730aeacd3be6dcef5d3e6b1c6ac005bb5983d7df8f8dd706376c922f36323658