[INFO] fetching crate syn-args-derive 0.3.1...
[INFO] checking syn-args-derive-0.3.1 against try#c659ee110de67e82444e4b6c8407c1a9af9c2cf6 for pr-145608-1
[INFO] extracting crate syn-args-derive 0.3.1 into /workspace/builds/worker-1-tc2/source
[INFO] started tweaking crates.io crate syn-args-derive 0.3.1
[INFO] finished tweaking crates.io crate syn-args-derive 0.3.1
[INFO] tweaked toml for crates.io crate syn-args-derive 0.3.1 written to /workspace/builds/worker-1-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate syn-args-derive 0.3.1 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] crate crates.io crate syn-args-derive 0.3.1 already has a lockfile, it will not be regenerated
[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] e3f09906200adf908fc4922be8016d5e7cc010d53cd29602462e948117a541ec
[INFO] running `Command { std: "docker" "start" "-a" "e3f09906200adf908fc4922be8016d5e7cc010d53cd29602462e948117a541ec", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "e3f09906200adf908fc4922be8016d5e7cc010d53cd29602462e948117a541ec", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e3f09906200adf908fc4922be8016d5e7cc010d53cd29602462e948117a541ec", kill_on_drop: false }`
[INFO] [stdout] e3f09906200adf908fc4922be8016d5e7cc010d53cd29602462e948117a541ec
[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] 20af292705bfa67a7ef51b22c5d5b7211fe4415c6e0fa13f34b1b89f49aecfa3
[INFO] running `Command { std: "docker" "start" "-a" "20af292705bfa67a7ef51b22c5d5b7211fe4415c6e0fa13f34b1b89f49aecfa3", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.86
[INFO] [stderr]     Checking unicode-ident v1.0.12
[INFO] [stderr]    Compiling libc v0.2.158
[INFO] [stderr]     Checking lazy_static v1.5.0
[INFO] [stderr]     Checking once_cell v1.19.0
[INFO] [stderr]     Checking linked-hash-map v0.5.6
[INFO] [stderr]     Checking similar v2.6.0
[INFO] [stderr]     Checking quote v1.0.37
[INFO] [stderr]     Checking console v0.15.8
[INFO] [stderr]     Checking syn v2.0.87
[INFO] [stderr]     Checking insta v1.39.0
[INFO] [stderr]     Checking syn-args-derive v0.3.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `j`
[INFO] [stdout]   --> src/macro_impl.rs:43:18
[INFO] [stdout]    |
[INFO] [stdout] 43 |             for (j, field_value) in variant_fields_value.iter().enumerate() {
[INFO] [stdout]    |                  ^ help: if this is intentional, prefix it with an underscore: `_j`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `j`
[INFO] [stdout]   --> src/macro_impl.rs:43:18
[INFO] [stdout]    |
[INFO] [stdout] 43 |             for (j, field_value) in variant_fields_value.iter().enumerate() {
[INFO] [stdout]    |                  ^ help: if this is intentional, prefix it with an underscore: `_j`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 4.46s
[INFO] running `Command { std: "docker" "inspect" "20af292705bfa67a7ef51b22c5d5b7211fe4415c6e0fa13f34b1b89f49aecfa3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "20af292705bfa67a7ef51b22c5d5b7211fe4415c6e0fa13f34b1b89f49aecfa3", kill_on_drop: false }`
[INFO] [stdout] 20af292705bfa67a7ef51b22c5d5b7211fe4415c6e0fa13f34b1b89f49aecfa3