[INFO] fetching crate builder-pattern-macro 0.4.2...
[INFO] checking builder-pattern-macro-0.4.2 against try#c659ee110de67e82444e4b6c8407c1a9af9c2cf6 for pr-145608-1
[INFO] extracting crate builder-pattern-macro 0.4.2 into /workspace/builds/worker-1-tc2/source
[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-1-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate builder-pattern-macro 0.4.2 on toolchain c659ee110de67e82444e4b6c8407c1a9af9c2cf6
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c659ee110de67e82444e4b6c8407c1a9af9c2cf6" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c659ee110de67e82444e4b6c8407c1a9af9c2cf6" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 5 packages to latest compatible versions
[INFO] [stderr]       Adding bitflags v1.3.2 (available: v2.9.4)
[INFO] [stderr]       Adding syn v1.0.109 (available: v2.0.106)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c659ee110de67e82444e4b6c8407c1a9af9c2cf6" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+c659ee110de67e82444e4b6c8407c1a9af9c2cf6" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] b8ac2a2ffdd7b168b76e10bfcecb2252c64fd486394292ac9be9bd9603d141c8
[INFO] running `Command { std: "docker" "start" "-a" "b8ac2a2ffdd7b168b76e10bfcecb2252c64fd486394292ac9be9bd9603d141c8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "b8ac2a2ffdd7b168b76e10bfcecb2252c64fd486394292ac9be9bd9603d141c8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b8ac2a2ffdd7b168b76e10bfcecb2252c64fd486394292ac9be9bd9603d141c8", kill_on_drop: false }`
[INFO] [stdout] b8ac2a2ffdd7b168b76e10bfcecb2252c64fd486394292ac9be9bd9603d141c8
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+c659ee110de67e82444e4b6c8407c1a9af9c2cf6" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] eaf628379b7a51fd7cf89369eb9e06c4ad7bb4f289663e23e2fd864507d5a6f1
[INFO] running `Command { std: "docker" "start" "-a" "eaf628379b7a51fd7cf89369eb9e06c4ad7bb4f289663e23e2fd864507d5a6f1", kill_on_drop: false }`
[INFO] [stderr]     Checking proc-macro2 v1.0.101
[INFO] [stderr]     Checking bitflags v1.3.2
[INFO] [stderr]     Checking quote v1.0.40
[INFO] [stderr]     Checking syn v1.0.109
[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: 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] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 3.82s
[INFO] running `Command { std: "docker" "inspect" "eaf628379b7a51fd7cf89369eb9e06c4ad7bb4f289663e23e2fd864507d5a6f1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "eaf628379b7a51fd7cf89369eb9e06c4ad7bb4f289663e23e2fd864507d5a6f1", kill_on_drop: false }`
[INFO] [stdout] eaf628379b7a51fd7cf89369eb9e06c4ad7bb4f289663e23e2fd864507d5a6f1