[INFO] fetching crate async-txn 0.1.3...
[INFO] checking async-txn-0.1.3 against try#c387b04bf028733cd561d62128c8a5eee4bc1458+rustflags=-Dtail_expr_drop_order for pr-130930
[INFO] extracting crate async-txn 0.1.3 into /workspace/builds/worker-7-tc2/source
[INFO] validating manifest of crates.io crate async-txn 0.1.3 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-txn 0.1.3
[INFO] finished tweaking crates.io crate async-txn 0.1.3
[INFO] tweaked toml for crates.io crate async-txn 0.1.3 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]     Blocking waiting for file lock on package cache
[INFO] [stderr]      Locking 151 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 futures v0.3.29 (available: v0.3.30)
[INFO] [stderr]       Adding futures-channel v0.3.29 (available: v0.3.30)
[INFO] [stderr]       Adding futures-executor v0.3.29 (available: v0.3.30)
[INFO] [stderr]       Adding futures-macro v0.3.29 (available: v0.3.30)
[INFO] [stderr]       Adding futures-util v0.3.29 (available: v0.3.30)
[INFO] [stderr]       Adding gloo-timers v0.2.6 (available: v0.3.0)
[INFO] [stderr]       Adding linux-raw-sys v0.4.14 (available: v0.6.5)
[INFO] [stderr]       Adding send_wrapper v0.4.0 (available: v0.6.0)
[INFO] [stderr]       Adding syn v1.0.109 (available: v2.0.79)
[INFO] [stderr]       Adding wasi v0.11.0+wasi-snapshot-preview1 (available: v0.13.2+wasi-0.2.1)
[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] [stderr]     Blocking waiting for file lock on package cache
[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] dfabe1736baba37e859044195b984db2d14e07a4f082c5406a7dd51f096cf33b
[INFO] running `Command { std: "docker" "start" "-a" "dfabe1736baba37e859044195b984db2d14e07a4f082c5406a7dd51f096cf33b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "dfabe1736baba37e859044195b984db2d14e07a4f082c5406a7dd51f096cf33b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "dfabe1736baba37e859044195b984db2d14e07a4f082c5406a7dd51f096cf33b", kill_on_drop: false }`
[INFO] [stdout] dfabe1736baba37e859044195b984db2d14e07a4f082c5406a7dd51f096cf33b
[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] 79b7b40ce1fe3a9fee370156f9b06126841fdfc036dfce994363e7cae6ab2fe0
[INFO] running `Command { std: "docker" "start" "-a" "79b7b40ce1fe3a9fee370156f9b06126841fdfc036dfce994363e7cae6ab2fe0", kill_on_drop: false }`
[INFO] [stderr]    Compiling futures-channel v0.3.29
[INFO] [stderr]    Compiling futures-util v0.3.29
[INFO] [stderr]     Checking smallvec v1.13.2
[INFO] [stderr]    Compiling portable-atomic v1.9.0
[INFO] [stderr]    Compiling serde v1.0.210
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]     Checking event-listener v5.3.1
[INFO] [stderr]    Compiling futures-macro v0.3.29
[INFO] [stderr]     Checking scopeguard v1.2.0
[INFO] [stderr]    Compiling ahash v0.8.11
[INFO] [stderr]    Compiling pin-project-internal v1.1.5
[INFO] [stderr]     Checking cheap-clone v0.1.6
[INFO] [stderr]     Checking crossbeam-channel v0.5.13
[INFO] [stderr]     Checking either v1.13.0
[INFO] [stderr]     Checking atomic_refcell v0.1.13
[INFO] [stderr]     Checking lock_api v0.4.12
[INFO] [stderr]     Checking event-listener-strategy v0.5.2
[INFO] [stderr]     Checking parking_lot_core v0.9.10
[INFO] [stderr]     Checking smallvec-wrapper v0.1.2
[INFO] [stderr]     Checking async-lock v3.4.0
[INFO] [stderr]     Checking async-channel v2.3.1
[INFO] [stderr]     Checking parking_lot v0.12.3
[INFO] [stderr]     Checking blocking v1.6.1
[INFO] [stderr]     Checking txn-core v0.1.3
[INFO] [stderr]     Checking pin-project v1.1.5
[INFO] [stderr]     Checking async-io v2.3.4
[INFO] [stderr]     Checking atomic-time v0.1.5
[INFO] [stderr]     Checking async-signal v0.2.10
[INFO] [stderr]     Checking async-global-executor v2.4.1
[INFO] [stderr]     Checking async-process v2.3.0
[INFO] [stderr]     Checking triomphe v0.1.13
[INFO] [stderr]     Checking wg v0.9.1
[INFO] [stderr]    Compiling async-attributes v1.1.2
[INFO] [stderr]     Checking async-std v1.13.0
[INFO] [stderr]     Checking futures-executor v0.3.29
[INFO] [stderr]     Checking futures v0.3.29
[INFO] [stderr]     Checking feature-extension-for-async-std v0.2.1
[INFO] [stderr]     Checking agnostic-lite v0.3.15
[INFO] [stderr]     Checking wmark v0.1.4
[INFO] [stderr]     Checking async-txn v0.1.3 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 4.88s
[INFO] running `Command { std: "docker" "inspect" "79b7b40ce1fe3a9fee370156f9b06126841fdfc036dfce994363e7cae6ab2fe0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "79b7b40ce1fe3a9fee370156f9b06126841fdfc036dfce994363e7cae6ab2fe0", kill_on_drop: false }`
[INFO] [stdout] 79b7b40ce1fe3a9fee370156f9b06126841fdfc036dfce994363e7cae6ab2fe0