[INFO] fetching crate jsonrpsee-core 0.24.4...
[INFO] checking jsonrpsee-core-0.24.4 against try#7014e13d5becc920d4bea3cd87942c8a13d359bf+rustflags=-Dtail_expr_drop_order for pr-129864
[INFO] extracting crate jsonrpsee-core 0.24.4 into /workspace/builds/worker-4-tc2/source
[INFO] validating manifest of crates.io crate jsonrpsee-core 0.24.4 on toolchain 7014e13d5becc920d4bea3cd87942c8a13d359bf
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+7014e13d5becc920d4bea3cd87942c8a13d359bf" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate jsonrpsee-core 0.24.4
[INFO] finished tweaking crates.io crate jsonrpsee-core 0.24.4
[INFO] tweaked toml for crates.io crate jsonrpsee-core 0.24.4 written to /workspace/builds/worker-4-tc2/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+7014e13d5becc920d4bea3cd87942c8a13d359bf" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 84 packages to latest compatible versions
[INFO] [stderr]       Adding gloo-timers v0.2.6 (available: v0.3.0)
[INFO] [stderr]       Adding send_wrapper v0.4.0 (available: v0.6.0)
[INFO] [stderr]       Adding wasi v0.11.0+wasi-snapshot-preview1 (available: v0.13.2+wasi-0.2.1)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+7014e13d5becc920d4bea3cd87942c8a13d359bf" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[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:ceb6ea022f8a89cebbe621bb4987e73a935bd40dfbb726f832cfff4742a5b95a" "/opt/rustwide/cargo-home/bin/cargo" "+7014e13d5becc920d4bea3cd87942c8a13d359bf" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] f5e29231e03ef7685909d51b4a3c5856440bf2164bd8dff782f255fda82b453b
[INFO] running `Command { std: "docker" "start" "-a" "f5e29231e03ef7685909d51b4a3c5856440bf2164bd8dff782f255fda82b453b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "f5e29231e03ef7685909d51b4a3c5856440bf2164bd8dff782f255fda82b453b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f5e29231e03ef7685909d51b4a3c5856440bf2164bd8dff782f255fda82b453b", kill_on_drop: false }`
[INFO] [stdout] f5e29231e03ef7685909d51b4a3c5856440bf2164bd8dff782f255fda82b453b
[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 -Dtail_expr_drop_order" "-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:ceb6ea022f8a89cebbe621bb4987e73a935bd40dfbb726f832cfff4742a5b95a" "/opt/rustwide/cargo-home/bin/cargo" "+7014e13d5becc920d4bea3cd87942c8a13d359bf" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 354c49456fa264e145865d35d9f04ce08dfc65f038a7fd22caab6e071cd3dc69
[INFO] running `Command { std: "docker" "start" "-a" "354c49456fa264e145865d35d9f04ce08dfc65f038a7fd22caab6e071cd3dc69", kill_on_drop: false }`
[INFO] [stderr]    Compiling serde v1.0.210
[INFO] [stderr]     Checking futures-core v0.3.30
[INFO] [stderr]    Compiling tokio-macros v2.4.0
[INFO] [stderr]     Checking futures-util v0.3.30
[INFO] [stderr]     Checking tokio v1.40.0
[INFO] [stderr]     Checking http-body-util v0.1.2
[INFO] [stderr]     Checking serde_json v1.0.128
[INFO] [stderr]     Checking jsonrpsee-types v0.24.5
[INFO] [stderr]     Checking jsonrpsee-core v0.24.4 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused macro definition: `cfg_async_client`
[INFO] [stdout]   --> src/macros.rs:38:14
[INFO] [stdout]    |
[INFO] [stdout] 38 | macro_rules! cfg_async_client {
[INFO] [stdout]    |              ^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_macros)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused macro definition: `cfg_async_client`
[INFO] [stdout]   --> src/macros.rs:38:14
[INFO] [stdout]    |
[INFO] [stdout] 38 | macro_rules! cfg_async_client {
[INFO] [stdout]    |              ^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_macros)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]   --> src/error.rs:29:24
[INFO] [stdout]    |
[INFO] [stdout] 29 | pub struct StringError(pub(crate) String);
[INFO] [stdout]    |            ----------- ^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |            |
[INFO] [stdout]    |            field in this struct
[INFO] [stdout]    |
[INFO] [stdout]    = help: consider removing this field
[INFO] [stdout]    = note: `StringError` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]   --> src/error.rs:29:24
[INFO] [stdout]    |
[INFO] [stdout] 29 | pub struct StringError(pub(crate) String);
[INFO] [stdout]    |            ----------- ^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |            |
[INFO] [stdout]    |            field in this struct
[INFO] [stdout]    |
[INFO] [stdout]    = help: consider removing this field
[INFO] [stdout]    = note: `StringError` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 3.97s
[INFO] running `Command { std: "docker" "inspect" "354c49456fa264e145865d35d9f04ce08dfc65f038a7fd22caab6e071cd3dc69", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "354c49456fa264e145865d35d9f04ce08dfc65f038a7fd22caab6e071cd3dc69", kill_on_drop: false }`
[INFO] [stdout] 354c49456fa264e145865d35d9f04ce08dfc65f038a7fd22caab6e071cd3dc69