[INFO] fetching crate hold 0.1.0-alpha.5... [INFO] checking hold-0.1.0-alpha.5 against try#c387b04bf028733cd561d62128c8a5eee4bc1458+rustflags=-Dtail_expr_drop_order for pr-130930 [INFO] extracting crate hold 0.1.0-alpha.5 into /workspace/builds/worker-6-tc2/source [INFO] validating manifest of crates.io crate hold 0.1.0-alpha.5 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 hold 0.1.0-alpha.5 [INFO] finished tweaking crates.io crate hold 0.1.0-alpha.5 [INFO] tweaked toml for crates.io crate hold 0.1.0-alpha.5 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 36 packages to latest compatible versions [INFO] [stderr] Adding bytes v0.5.6 (available: v1.7.2) [INFO] [stderr] Adding getrandom v0.1.16 (available: v0.2.15) [INFO] [stderr] Adding rand v0.7.3 (available: v0.8.5) [INFO] [stderr] Adding rand_chacha v0.2.2 (available: v0.3.1) [INFO] [stderr] Adding rand_core v0.5.1 (available: v0.6.4) [INFO] [stderr] Adding rand_hc v0.2.0 (available: v0.3.2) [INFO] [stderr] Adding snafu v0.6.10 (available: v0.8.5) [INFO] [stderr] Adding snafu-derive v0.6.10 (available: v0.8.5) [INFO] [stderr] Adding syn v1.0.109 (available: v2.0.79) [INFO] [stderr] Adding wasi v0.9.0+wasi-snapshot-preview1 (available: v0.13.2+wasi-0.2.1) [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-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] ac128bcb8044fe65a763b71f0b4e17420c7a4046722a53bd07fae715ac3fac52 [INFO] running `Command { std: "docker" "start" "-a" "ac128bcb8044fe65a763b71f0b4e17420c7a4046722a53bd07fae715ac3fac52", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "ac128bcb8044fe65a763b71f0b4e17420c7a4046722a53bd07fae715ac3fac52", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "ac128bcb8044fe65a763b71f0b4e17420c7a4046722a53bd07fae715ac3fac52", kill_on_drop: false }` [INFO] [stdout] ac128bcb8044fe65a763b71f0b4e17420c7a4046722a53bd07fae715ac3fac52 [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] 8b30dc55fcd8b42010b31755c3e370fb022b94bcbeaf86c9da9ca6b78e2a4965 [INFO] running `Command { std: "docker" "start" "-a" "8b30dc55fcd8b42010b31755c3e370fb022b94bcbeaf86c9da9ca6b78e2a4965", kill_on_drop: false }` [INFO] [stderr] Checking futures-sink v0.3.30 [INFO] [stderr] Checking futures-core v0.3.30 [INFO] [stderr] Checking futures-io v0.3.30 [INFO] [stderr] Compiling syn v2.0.79 [INFO] [stderr] Compiling syn v1.0.109 [INFO] [stderr] Checking futures-channel v0.3.30 [INFO] [stderr] Compiling snafu-derive v0.6.10 [INFO] [stderr] Compiling futures-macro v0.3.30 [INFO] [stderr] Compiling zerocopy-derive v0.7.35 [INFO] [stderr] Compiling async-trait v0.1.83 [INFO] [stderr] Checking snafu v0.6.10 [INFO] [stderr] Checking zerocopy v0.7.35 [INFO] [stderr] Checking futures-util v0.3.30 [INFO] [stderr] Checking ppv-lite86 v0.2.20 [INFO] [stderr] Checking rand_chacha v0.2.2 [INFO] [stderr] Checking rand v0.7.3 [INFO] [stderr] Checking futures-executor v0.3.30 [INFO] [stderr] Checking futures v0.3.30 [INFO] [stderr] Checking hold v0.1.0-alpha.5 (/opt/rustwide/workdir) [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 19.01s [INFO] running `Command { std: "docker" "inspect" "8b30dc55fcd8b42010b31755c3e370fb022b94bcbeaf86c9da9ca6b78e2a4965", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "8b30dc55fcd8b42010b31755c3e370fb022b94bcbeaf86c9da9ca6b78e2a4965", kill_on_drop: false }` [INFO] [stdout] 8b30dc55fcd8b42010b31755c3e370fb022b94bcbeaf86c9da9ca6b78e2a4965