[INFO] fetching crate async-spawner 2.1.0...
[INFO] checking async-spawner-2.1.0 against try#c387b04bf028733cd561d62128c8a5eee4bc1458+rustflags=-Dtail_expr_drop_order for pr-130930
[INFO] extracting crate async-spawner 2.1.0 into /workspace/builds/worker-5-tc2/source
[INFO] validating manifest of crates.io crate async-spawner 2.1.0 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 async-spawner 2.1.0
[INFO] finished tweaking crates.io crate async-spawner 2.1.0
[INFO] tweaked toml for crates.io crate async-spawner 2.1.0 written to /workspace/builds/worker-5-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 77 packages to latest compatible versions
[INFO] [stderr]       Adding async-channel v1.9.0 (available: v2.3.1)
[INFO] [stderr]       Adding event-listener v2.5.3 (available: v5.3.1)
[INFO] [stderr]       Adding hermit-abi v0.3.9 (available: v0.4.0)
[INFO] [stderr]       Adding linux-raw-sys v0.4.14 (available: v0.6.5)
[INFO] [stderr]       Adding syn v1.0.109 (available: v2.0.79)
[INFO] [stderr]       Adding tokio v0.3.7 (available: v1.40.0)
[INFO] [stderr]       Adding tokio-macros v0.3.2 (available: v2.4.0)
[INFO] [stderr]       Adding windows-sys v0.52.0 (available: v0.59.0)
[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-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@sha256:6252d7ea7fb8caaf7af6d800c5fb250a9cd862b9a7f9508afb3c54fa7fe1102e" "/opt/rustwide/cargo-home/bin/cargo" "+c387b04bf028733cd561d62128c8a5eee4bc1458" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] b2ffa6bee535e44a6877ae1418d50f53f219c9cb3c789bc721718120d010b2dd
[INFO] running `Command { std: "docker" "start" "-a" "b2ffa6bee535e44a6877ae1418d50f53f219c9cb3c789bc721718120d010b2dd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "b2ffa6bee535e44a6877ae1418d50f53f219c9cb3c789bc721718120d010b2dd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b2ffa6bee535e44a6877ae1418d50f53f219c9cb3c789bc721718120d010b2dd", kill_on_drop: false }`
[INFO] [stdout] b2ffa6bee535e44a6877ae1418d50f53f219c9cb3c789bc721718120d010b2dd
[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 -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] a08a3e56ff03023e1e9062cd3ad6ffe3ad42c4c2b26e00a12163b5bd8d82a7ed
[INFO] running `Command { std: "docker" "start" "-a" "a08a3e56ff03023e1e9062cd3ad6ffe3ad42c4c2b26e00a12163b5bd8d82a7ed", kill_on_drop: false }`
[INFO] [stderr]     Checking value-bag v1.9.0
[INFO] [stderr]    Compiling tokio v0.3.7
[INFO] [stderr]     Checking futures-task v0.3.30
[INFO] [stderr]     Checking num_cpus v1.16.0
[INFO] [stderr]    Compiling async-attributes v1.1.2
[INFO] [stderr]    Compiling tokio-macros v0.3.2
[INFO] [stderr]     Checking async-signal v0.2.10
[INFO] [stderr]     Checking async-global-executor v2.4.1
[INFO] [stderr]     Checking futures-util v0.3.30
[INFO] [stderr]     Checking log v0.4.22
[INFO] [stderr]     Checking async-process v2.3.0
[INFO] [stderr]     Checking kv-log-macro v1.0.7
[INFO] [stderr]     Checking async-std v1.13.0
[INFO] [stderr]     Checking async-spawner v2.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 1.69s
[INFO] running `Command { std: "docker" "inspect" "a08a3e56ff03023e1e9062cd3ad6ffe3ad42c4c2b26e00a12163b5bd8d82a7ed", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a08a3e56ff03023e1e9062cd3ad6ffe3ad42c4c2b26e00a12163b5bd8d82a7ed", kill_on_drop: false }`
[INFO] [stdout] a08a3e56ff03023e1e9062cd3ad6ffe3ad42c4c2b26e00a12163b5bd8d82a7ed