[INFO] fetching crate syn-args-derive 0.3.1...
[INFO] building syn-args-derive-0.3.1 against try#4987e9d4227139400384ab59296ffee3b0fb1183 for pr-146237-2
[INFO] extracting crate syn-args-derive 0.3.1 into /workspace/builds/worker-5-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-5-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate syn-args-derive 0.3.1 on toolchain 4987e9d4227139400384ab59296ffee3b0fb1183
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+4987e9d4227139400384ab59296ffee3b0fb1183" "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" "+4987e9d4227139400384ab59296ffee3b0fb1183" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+4987e9d4227139400384ab59296ffee3b0fb1183" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 77b8fbb7d55f6f8c1b33a5ed03a762ab9c880c4bc1fcc5b2f41740f644d8dd56
[INFO] running `Command { std: "docker" "start" "-a" "77b8fbb7d55f6f8c1b33a5ed03a762ab9c880c4bc1fcc5b2f41740f644d8dd56", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "77b8fbb7d55f6f8c1b33a5ed03a762ab9c880c4bc1fcc5b2f41740f644d8dd56", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "77b8fbb7d55f6f8c1b33a5ed03a762ab9c880c4bc1fcc5b2f41740f644d8dd56", kill_on_drop: false }`
[INFO] [stdout] 77b8fbb7d55f6f8c1b33a5ed03a762ab9c880c4bc1fcc5b2f41740f644d8dd56
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+4987e9d4227139400384ab59296ffee3b0fb1183" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 8a33489dbca37c6712f935f062ffd1708097dd3113b8af3bc049aa859366afa2
[INFO] running `Command { std: "docker" "start" "-a" "8a33489dbca37c6712f935f062ffd1708097dd3113b8af3bc049aa859366afa2", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.86
[INFO] [stderr]    Compiling unicode-ident v1.0.12
[INFO] [stderr]    Compiling once_cell v1.19.0
[INFO] [stderr]    Compiling quote v1.0.37
[INFO] [stderr]    Compiling syn v2.0.87
[INFO] [stderr]    Compiling 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)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 7.04s
[INFO] running `Command { std: "docker" "inspect" "8a33489dbca37c6712f935f062ffd1708097dd3113b8af3bc049aa859366afa2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8a33489dbca37c6712f935f062ffd1708097dd3113b8af3bc049aa859366afa2", kill_on_drop: false }`
[INFO] [stdout] 8a33489dbca37c6712f935f062ffd1708097dd3113b8af3bc049aa859366afa2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+4987e9d4227139400384ab59296ffee3b0fb1183" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 0d63886dd055c27b16be4456425bafab54bad9def4f9ff24e4256da39adbe9bd
[INFO] running `Command { std: "docker" "start" "-a" "0d63886dd055c27b16be4456425bafab54bad9def4f9ff24e4256da39adbe9bd", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.158
[INFO] [stderr]    Compiling similar v2.6.0
[INFO] [stderr]    Compiling linked-hash-map v0.5.6
[INFO] [stderr]    Compiling 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)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling console v0.15.8
[INFO] [stderr]    Compiling insta v1.39.0
[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)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 5.32s
[INFO] running `Command { std: "docker" "inspect" "0d63886dd055c27b16be4456425bafab54bad9def4f9ff24e4256da39adbe9bd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0d63886dd055c27b16be4456425bafab54bad9def4f9ff24e4256da39adbe9bd", kill_on_drop: false }`
[INFO] [stdout] 0d63886dd055c27b16be4456425bafab54bad9def4f9ff24e4256da39adbe9bd