[INFO] fetching crate open-rpc-schema 0.0.4...
[INFO] checking open-rpc-schema-0.0.4 against try#7014e13d5becc920d4bea3cd87942c8a13d359bf+rustflags=-Dtail_expr_drop_order for pr-129864
[INFO] extracting crate open-rpc-schema 0.0.4 into /workspace/builds/worker-0-tc2/source
[INFO] validating manifest of crates.io crate open-rpc-schema 0.0.4 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 open-rpc-schema 0.0.4
[INFO] finished tweaking crates.io crate open-rpc-schema 0.0.4
[INFO] tweaked toml for crates.io crate open-rpc-schema 0.0.4 written to /workspace/builds/worker-0-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 14 packages to latest compatible versions
[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-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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] 5033c45b697ad1e20629eb03c829f197c5670975a940cdbdb52ee6fcbe470a1f
[INFO] running `Command { std: "docker" "start" "-a" "5033c45b697ad1e20629eb03c829f197c5670975a940cdbdb52ee6fcbe470a1f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "5033c45b697ad1e20629eb03c829f197c5670975a940cdbdb52ee6fcbe470a1f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5033c45b697ad1e20629eb03c829f197c5670975a940cdbdb52ee6fcbe470a1f", kill_on_drop: false }`
[INFO] [stdout] 5033c45b697ad1e20629eb03c829f197c5670975a940cdbdb52ee6fcbe470a1f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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] ae8a9ce9a3673a1f292b3a87e39e912aae19599ace18d71f2995fb544611212e
[INFO] running `Command { std: "docker" "start" "-a" "ae8a9ce9a3673a1f292b3a87e39e912aae19599ace18d71f2995fb544611212e", kill_on_drop: false }`
[INFO] [stderr]    Compiling schemars v0.8.21
[INFO] [stderr]     Checking dyn-clone v1.0.17
[INFO] [stderr]    Compiling syn v2.0.77
[INFO] [stderr]    Compiling serde_derive_internals v0.29.1
[INFO] [stderr]    Compiling serde_derive v1.0.210
[INFO] [stderr]    Compiling schemars_derive v0.8.21
[INFO] [stderr]     Checking serde v1.0.210
[INFO] [stderr]     Checking serde_json v1.0.128
[INFO] [stderr]     Checking open-rpc-schema v0.0.4 (/opt/rustwide/workdir)
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]    --> src/document.rs:607:23
[INFO] [stdout]     |
[INFO] [stdout] 607 |     pub struct MyType([u8; 8]);
[INFO] [stdout]     |                ------ ^^^^^^^
[INFO] [stdout]     |                |
[INFO] [stdout]     |                field in this struct
[INFO] [stdout]     |
[INFO] [stdout]     = help: consider removing this field
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `my_int`, `my_bool`, and `my_type` are never read
[INFO] [stdout]    --> src/document.rs:611:13
[INFO] [stdout]     |
[INFO] [stdout] 610 |     pub struct MyParam {
[INFO] [stdout]     |                ------- fields in this struct
[INFO] [stdout] 611 |         pub my_int: i32,
[INFO] [stdout]     |             ^^^^^^
[INFO] [stdout] 612 |         pub my_bool: bool,
[INFO] [stdout]     |             ^^^^^^^
[INFO] [stdout] 613 |         pub my_type: Box<MyType>,
[INFO] [stdout]     |             ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `success` is never read
[INFO] [stdout]    --> src/document.rs:618:13
[INFO] [stdout]     |
[INFO] [stdout] 617 |     pub struct MyRet {
[INFO] [stdout]     |                ----- field in this struct
[INFO] [stdout] 618 |         pub success: Box<bool>,
[INFO] [stdout]     |             ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 12.51s
[INFO] running `Command { std: "docker" "inspect" "ae8a9ce9a3673a1f292b3a87e39e912aae19599ace18d71f2995fb544611212e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ae8a9ce9a3673a1f292b3a87e39e912aae19599ace18d71f2995fb544611212e", kill_on_drop: false }`
[INFO] [stdout] ae8a9ce9a3673a1f292b3a87e39e912aae19599ace18d71f2995fb544611212e