[INFO] fetching crate builder-pattern-macro 0.4.2...
[INFO] checking builder-pattern-macro-0.4.2 against try#24cd45d7714ba43afd4b8e62fb677b069b21c4a5 for pr-129543
[INFO] extracting crate builder-pattern-macro 0.4.2 into /workspace/builds/worker-0-tc2/source
[INFO] validating manifest of crates.io crate builder-pattern-macro 0.4.2 on toolchain 24cd45d7714ba43afd4b8e62fb677b069b21c4a5
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+24cd45d7714ba43afd4b8e62fb677b069b21c4a5" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate builder-pattern-macro 0.4.2
[INFO] finished tweaking crates.io crate builder-pattern-macro 0.4.2
[INFO] tweaked toml for crates.io crate builder-pattern-macro 0.4.2 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" "+24cd45d7714ba43afd4b8e62fb677b069b21c4a5" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 6 packages to latest compatible versions
[INFO] [stderr]       Adding bitflags v1.3.2 (latest: v2.6.0)
[INFO] [stderr]       Adding syn v1.0.109 (latest: v2.0.77)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+24cd45d7714ba43afd4b8e62fb677b069b21c4a5" "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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+24cd45d7714ba43afd4b8e62fb677b069b21c4a5" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] d2ef2fc3e17f9039c1ee17ac764e73b5f7233989a19098439907cf78b3bbee26
[INFO] running `Command { std: "docker" "start" "-a" "d2ef2fc3e17f9039c1ee17ac764e73b5f7233989a19098439907cf78b3bbee26", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "d2ef2fc3e17f9039c1ee17ac764e73b5f7233989a19098439907cf78b3bbee26", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d2ef2fc3e17f9039c1ee17ac764e73b5f7233989a19098439907cf78b3bbee26", kill_on_drop: false }`
[INFO] [stdout] d2ef2fc3e17f9039c1ee17ac764e73b5f7233989a19098439907cf78b3bbee26
[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" "-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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+24cd45d7714ba43afd4b8e62fb677b069b21c4a5" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 0732260f72879c8181f85a3a25ce83b198a3343b47547be1072c83ea27742507
[INFO] running `Command { std: "docker" "start" "-a" "0732260f72879c8181f85a3a25ce83b198a3343b47547be1072c83ea27742507", kill_on_drop: false }`
[INFO] [stderr]     Checking unicode-ident v1.0.12
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]     Checking bitflags v1.3.2
[INFO] [stderr]     Checking proc-macro2 v1.0.86
[INFO] [stderr]     Checking quote v1.0.37
[INFO] [stderr]     Checking builder-pattern-macro v0.4.2 (/opt/rustwide/workdir)
[INFO] [stdout] warning: field `attrs` is never read
[INFO] [stdout]   --> src/struct_input.rs:21:9
[INFO] [stdout]    |
[INFO] [stdout] 17 | pub struct StructInput {
[INFO] [stdout]    |            ----------- field in this struct
[INFO] [stdout] ...
[INFO] [stdout] 21 |     pub attrs: Vec<Attribute>,
[INFO] [stdout]    |         ^^^^^
[INFO] [stdout]    |
[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: field `attrs` is never read
[INFO] [stdout]   --> src/struct_input.rs:21:9
[INFO] [stdout]    |
[INFO] [stdout] 17 | pub struct StructInput {
[INFO] [stdout]    |            ----------- field in this struct
[INFO] [stdout] ...
[INFO] [stdout] 21 |     pub attrs: Vec<Attribute>,
[INFO] [stdout]    |         ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 3.58s
[INFO] running `Command { std: "docker" "inspect" "0732260f72879c8181f85a3a25ce83b198a3343b47547be1072c83ea27742507", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0732260f72879c8181f85a3a25ce83b198a3343b47547be1072c83ea27742507", kill_on_drop: false }`
[INFO] [stdout] 0732260f72879c8181f85a3a25ce83b198a3343b47547be1072c83ea27742507