[INFO] fetching crate open-rpc-schema 0.0.4...
[INFO] checking open-rpc-schema-0.0.4 against try#c387b04bf028733cd561d62128c8a5eee4bc1458+rustflags=-Dtail_expr_drop_order for pr-130930
[INFO] extracting crate open-rpc-schema 0.0.4 into /workspace/builds/worker-6-tc2/source
[INFO] validating manifest of crates.io crate open-rpc-schema 0.0.4 on toolchain c387b04bf028733cd561d62128c8a5eee4bc1458
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c387b04bf028733cd561d62128c8a5eee4bc1458" "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-6-tc2/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c387b04bf028733cd561d62128c8a5eee4bc1458" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]     Blocking waiting for file lock on package cache
[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" "+c387b04bf028733cd561d62128c8a5eee4bc1458" "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@sha256:6252d7ea7fb8caaf7af6d800c5fb250a9cd862b9a7f9508afb3c54fa7fe1102e" "/opt/rustwide/cargo-home/bin/cargo" "+c387b04bf028733cd561d62128c8a5eee4bc1458" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 95a189cbdf378dcc4c5313d17ee40d4591d810da7670c5d66c02c701366495f8
[INFO] running `Command { std: "docker" "start" "-a" "95a189cbdf378dcc4c5313d17ee40d4591d810da7670c5d66c02c701366495f8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "95a189cbdf378dcc4c5313d17ee40d4591d810da7670c5d66c02c701366495f8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "95a189cbdf378dcc4c5313d17ee40d4591d810da7670c5d66c02c701366495f8", kill_on_drop: false }`
[INFO] [stdout] 95a189cbdf378dcc4c5313d17ee40d4591d810da7670c5d66c02c701366495f8
[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=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@sha256:6252d7ea7fb8caaf7af6d800c5fb250a9cd862b9a7f9508afb3c54fa7fe1102e" "/opt/rustwide/cargo-home/bin/cargo" "+c387b04bf028733cd561d62128c8a5eee4bc1458" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] a4b40be96726738cf0c10228ffcfd2d7b9a1ebd2dd8fd3440f54ae5d45536ed0
[INFO] running `Command { std: "docker" "start" "-a" "a4b40be96726738cf0c10228ffcfd2d7b9a1ebd2dd8fd3440f54ae5d45536ed0", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v2.0.79
[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 schemars v0.8.21
[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 10.84s
[INFO] running `Command { std: "docker" "inspect" "a4b40be96726738cf0c10228ffcfd2d7b9a1ebd2dd8fd3440f54ae5d45536ed0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a4b40be96726738cf0c10228ffcfd2d7b9a1ebd2dd8fd3440f54ae5d45536ed0", kill_on_drop: false }`
[INFO] [stdout] a4b40be96726738cf0c10228ffcfd2d7b9a1ebd2dd8fd3440f54ae5d45536ed0