[INFO] fetching crate rust_json_derive 0.1.2...
[INFO] checking rust_json_derive-0.1.2 against try#c387b04bf028733cd561d62128c8a5eee4bc1458+rustflags=-Dtail_expr_drop_order for pr-130930
[INFO] extracting crate rust_json_derive 0.1.2 into /workspace/builds/worker-6-tc2/source
[INFO] validating manifest of crates.io crate rust_json_derive 0.1.2 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 rust_json_derive 0.1.2
[INFO] finished tweaking crates.io crate rust_json_derive 0.1.2
[INFO] tweaked toml for crates.io crate rust_json_derive 0.1.2 written to /workspace/builds/worker-6-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 4 packages to latest compatible versions
[INFO] [stderr]       Adding syn v1.0.109 (available: v2.0.79)
[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] [stderr] warning: `proc_macro` is deprecated in favor of `proc-macro` and will not work in the 2024 edition
[INFO] [stderr] (in the `rust_json_derive` library target)
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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] c9f5a90c1900d2635c93712fc3b7525eeb33c6724f3148fe1ff469ac03dcc24c
[INFO] running `Command { std: "docker" "start" "-a" "c9f5a90c1900d2635c93712fc3b7525eeb33c6724f3148fe1ff469ac03dcc24c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "c9f5a90c1900d2635c93712fc3b7525eeb33c6724f3148fe1ff469ac03dcc24c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c9f5a90c1900d2635c93712fc3b7525eeb33c6724f3148fe1ff469ac03dcc24c", kill_on_drop: false }`
[INFO] [stdout] c9f5a90c1900d2635c93712fc3b7525eeb33c6724f3148fe1ff469ac03dcc24c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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] 9e5a386ec36a65ce35332f8883d1e84b0e30ad78a7054fdef23142f18af93ab4
[INFO] running `Command { std: "docker" "start" "-a" "9e5a386ec36a65ce35332f8883d1e84b0e30ad78a7054fdef23142f18af93ab4", kill_on_drop: false }`
[INFO] [stderr] warning: `proc_macro` is deprecated in favor of `proc-macro` and will not work in the 2024 edition
[INFO] [stderr] (in the `rust_json_derive` library target)
[INFO] [stderr]     Checking unicode-ident v1.0.13
[INFO] [stderr]     Checking proc-macro2 v1.0.86
[INFO] [stderr]     Checking quote v1.0.37
[INFO] [stderr]     Checking syn v1.0.109
[INFO] [stderr]     Checking rust_json_derive v0.1.2 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 3.02s
[INFO] running `Command { std: "docker" "inspect" "9e5a386ec36a65ce35332f8883d1e84b0e30ad78a7054fdef23142f18af93ab4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9e5a386ec36a65ce35332f8883d1e84b0e30ad78a7054fdef23142f18af93ab4", kill_on_drop: false }`
[INFO] [stdout] 9e5a386ec36a65ce35332f8883d1e84b0e30ad78a7054fdef23142f18af93ab4