[INFO] fetching crate napi-derive-backend 2.0.0-alpha.12...
[INFO] checking napi-derive-backend-2.0.0-alpha.12 against try#c387b04bf028733cd561d62128c8a5eee4bc1458+rustflags=-Dtail_expr_drop_order for pr-130930
[INFO] extracting crate napi-derive-backend 2.0.0-alpha.12 into /workspace/builds/worker-7-tc2/source
[INFO] validating manifest of crates.io crate napi-derive-backend 2.0.0-alpha.12 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 napi-derive-backend 2.0.0-alpha.12
[INFO] finished tweaking crates.io crate napi-derive-backend 2.0.0-alpha.12
[INFO] tweaked toml for crates.io crate napi-derive-backend 2.0.0-alpha.12 written to /workspace/builds/worker-7-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 12 packages to latest compatible versions
[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] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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] 8e87e46353d2638cd6f94c7b297dbcb490328fb4e837fb8b94f9c8f1c4e89760
[INFO] running `Command { std: "docker" "start" "-a" "8e87e46353d2638cd6f94c7b297dbcb490328fb4e837fb8b94f9c8f1c4e89760", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "8e87e46353d2638cd6f94c7b297dbcb490328fb4e837fb8b94f9c8f1c4e89760", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8e87e46353d2638cd6f94c7b297dbcb490328fb4e837fb8b94f9c8f1c4e89760", kill_on_drop: false }`
[INFO] [stdout] 8e87e46353d2638cd6f94c7b297dbcb490328fb4e837fb8b94f9c8f1c4e89760
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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] cb6d0c7079236ba6df0a8520ad54273df2540c2a066ed5daf15666c2d3b133ac
[INFO] running `Command { std: "docker" "start" "-a" "cb6d0c7079236ba6df0a8520ad54273df2540c2a066ed5daf15666c2d3b133ac", kill_on_drop: false }`
[INFO] [stderr]     Checking unicode-segmentation v1.12.0
[INFO] [stderr]     Checking syn v2.0.79
[INFO] [stderr]     Checking convert_case v0.6.0
[INFO] [stderr]     Checking napi-derive-backend v2.0.0-alpha.12 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 3.31s
[INFO] running `Command { std: "docker" "inspect" "cb6d0c7079236ba6df0a8520ad54273df2540c2a066ed5daf15666c2d3b133ac", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "cb6d0c7079236ba6df0a8520ad54273df2540c2a066ed5daf15666c2d3b133ac", kill_on_drop: false }`
[INFO] [stdout] cb6d0c7079236ba6df0a8520ad54273df2540c2a066ed5daf15666c2d3b133ac