[INFO] fetching crate jtd-codegen 0.2.0-beta.1...
[INFO] checking jtd-codegen-0.2.0-beta.1 against try#c387b04bf028733cd561d62128c8a5eee4bc1458+rustflags=-Dtail_expr_drop_order for pr-130930
[INFO] extracting crate jtd-codegen 0.2.0-beta.1 into /workspace/builds/worker-0-tc2/source
[INFO] validating manifest of crates.io crate jtd-codegen 0.2.0-beta.1 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 jtd-codegen 0.2.0-beta.1
[INFO] finished tweaking crates.io crate jtd-codegen 0.2.0-beta.1
[INFO] tweaked toml for crates.io crate jtd-codegen 0.2.0-beta.1 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" "+c387b04bf028733cd561d62128c8a5eee4bc1458" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 53 packages to latest compatible versions
[INFO] [stderr]       Adding jtd v0.2.1 (available: v0.3.1)
[INFO] [stderr]       Adding textwrap v0.13.4 (available: v0.16.1)
[INFO] [stderr]       Adding unicode-width v0.1.14 (available: v0.2.0)
[INFO] [stderr]       Adding windows-core v0.52.0 (available: v0.58.0)
[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-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@sha256:6252d7ea7fb8caaf7af6d800c5fb250a9cd862b9a7f9508afb3c54fa7fe1102e" "/opt/rustwide/cargo-home/bin/cargo" "+c387b04bf028733cd561d62128c8a5eee4bc1458" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] f805ef1f9bcd34becb818429c92d068b47495e1860d667d530b1d2a9955232d2
[INFO] running `Command { std: "docker" "start" "-a" "f805ef1f9bcd34becb818429c92d068b47495e1860d667d530b1d2a9955232d2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "f805ef1f9bcd34becb818429c92d068b47495e1860d667d530b1d2a9955232d2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f805ef1f9bcd34becb818429c92d068b47495e1860d667d530b1d2a9955232d2", kill_on_drop: false }`
[INFO] [stdout] f805ef1f9bcd34becb818429c92d068b47495e1860d667d530b1d2a9955232d2
[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@sha256:6252d7ea7fb8caaf7af6d800c5fb250a9cd862b9a7f9508afb3c54fa7fe1102e" "/opt/rustwide/cargo-home/bin/cargo" "+c387b04bf028733cd561d62128c8a5eee4bc1458" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] f4160ef2a1d9db6b353999cfbf645ad0fe2cd0f7d0796cb66479027283ed6912
[INFO] running `Command { std: "docker" "start" "-a" "f4160ef2a1d9db6b353999cfbf645ad0fe2cd0f7d0796cb66479027283ed6912", kill_on_drop: false }`
[INFO] [stderr]     Checking smawk v0.3.2
[INFO] [stderr]    Compiling syn v2.0.79
[INFO] [stderr]     Checking Inflector v0.11.4
[INFO] [stderr]     Checking textwrap v0.13.4
[INFO] [stderr]    Compiling serde_derive v1.0.210
[INFO] [stderr]    Compiling thiserror-impl v1.0.64
[INFO] [stderr]     Checking thiserror v1.0.64
[INFO] [stderr]     Checking serde v1.0.210
[INFO] [stderr]     Checking serde_json v1.0.128
[INFO] [stderr]     Checking jtd v0.2.1
[INFO] [stderr]     Checking jtd-codegen v0.2.0-beta.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: field `metadata` is never read
[INFO] [stdout]   --> src/codegen/ast.rs:35:9
[INFO] [stdout]    |
[INFO] [stdout] 34 |     Ref {
[INFO] [stdout]    |     --- field in this variant
[INFO] [stdout] 35 |         metadata: Metadata,
[INFO] [stdout]    |         ^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Ast` 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: field `metadata` is never read
[INFO] [stdout]   --> src/codegen/ast.rs:35:9
[INFO] [stdout]    |
[INFO] [stdout] 34 |     Ref {
[INFO] [stdout]    |     --- field in this variant
[INFO] [stdout] 35 |         metadata: Metadata,
[INFO] [stdout]    |         ^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Ast` 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: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 10.53s
[INFO] running `Command { std: "docker" "inspect" "f4160ef2a1d9db6b353999cfbf645ad0fe2cd0f7d0796cb66479027283ed6912", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f4160ef2a1d9db6b353999cfbf645ad0fe2cd0f7d0796cb66479027283ed6912", kill_on_drop: false }`
[INFO] [stdout] f4160ef2a1d9db6b353999cfbf645ad0fe2cd0f7d0796cb66479027283ed6912