[INFO] fetching crate runiter-wot 0.8.0-a0.7...
[INFO] checking runiter-wot-0.8.0-a0.7 against try#7014e13d5becc920d4bea3cd87942c8a13d359bf+rustflags=-Dtail_expr_drop_order for pr-129864
[INFO] extracting crate runiter-wot 0.8.0-a0.7 into /workspace/builds/worker-4-tc2/source
[INFO] validating manifest of crates.io crate runiter-wot 0.8.0-a0.7 on toolchain 7014e13d5becc920d4bea3cd87942c8a13d359bf
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+7014e13d5becc920d4bea3cd87942c8a13d359bf" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate runiter-wot 0.8.0-a0.7
[INFO] finished tweaking crates.io crate runiter-wot 0.8.0-a0.7
[INFO] tweaked toml for crates.io crate runiter-wot 0.8.0-a0.7 written to /workspace/builds/worker-4-tc2/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+7014e13d5becc920d4bea3cd87942c8a13d359bf" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]      Locking 23 packages to latest compatible versions
[INFO] [stderr]       Adding arrayvec v0.4.12 (available: v0.7.6)
[INFO] [stderr]       Adding bincode v1.0.1 (available: v1.3.3)
[INFO] [stderr]       Adding byteorder v1.2.7 (available: v1.5.0)
[INFO] [stderr]       Adding cfg-if v0.1.10 (available: v1.0.0)
[INFO] [stderr]       Adding crossbeam-deque v0.2.0 (available: v0.8.5)
[INFO] [stderr]       Adding crossbeam-epoch v0.3.1 (available: v0.9.18)
[INFO] [stderr]       Adding crossbeam-utils v0.2.2 (available: v0.8.20)
[INFO] [stderr]       Adding memoffset v0.2.1 (available: v0.9.1)
[INFO] [stderr]       Adding rayon v1.0.3 (available: v1.10.0)
[INFO] [stderr]       Adding scopeguard v0.3.3 (available: v1.2.0)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+7014e13d5becc920d4bea3cd87942c8a13d359bf" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr] warning: no edition set: defaulting to the 2015 edition while the latest is 2021
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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:ceb6ea022f8a89cebbe621bb4987e73a935bd40dfbb726f832cfff4742a5b95a" "/opt/rustwide/cargo-home/bin/cargo" "+7014e13d5becc920d4bea3cd87942c8a13d359bf" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 70e9e3860ec2b3ea226dacb39f659238dae770e70b64172c857d2f17f32dc6f2
[INFO] running `Command { std: "docker" "start" "-a" "70e9e3860ec2b3ea226dacb39f659238dae770e70b64172c857d2f17f32dc6f2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "70e9e3860ec2b3ea226dacb39f659238dae770e70b64172c857d2f17f32dc6f2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "70e9e3860ec2b3ea226dacb39f659238dae770e70b64172c857d2f17f32dc6f2", kill_on_drop: false }`
[INFO] [stdout] 70e9e3860ec2b3ea226dacb39f659238dae770e70b64172c857d2f17f32dc6f2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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:ceb6ea022f8a89cebbe621bb4987e73a935bd40dfbb726f832cfff4742a5b95a" "/opt/rustwide/cargo-home/bin/cargo" "+7014e13d5becc920d4bea3cd87942c8a13d359bf" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 00f4a0bc700fc26a6188788bf09ca0d9222c0e23b265ba1945f6c3953f41ed36
[INFO] running `Command { std: "docker" "start" "-a" "00f4a0bc700fc26a6188788bf09ca0d9222c0e23b265ba1945f6c3953f41ed36", kill_on_drop: false }`
[INFO] [stderr] warning: no edition set: defaulting to the 2015 edition while the latest is 2021
[INFO] [stderr]    Compiling arrayvec v0.4.12
[INFO] [stderr]     Checking nodrop v0.1.14
[INFO] [stderr]     Checking memoffset v0.2.1
[INFO] [stderr]     Checking scopeguard v0.3.3
[INFO] [stderr]    Compiling rayon v1.0.3
[INFO] [stderr]     Checking byteorder v1.2.7
[INFO] [stderr]     Checking crossbeam-utils v0.2.2
[INFO] [stderr]     Checking bincode v1.0.1
[INFO] [stderr]     Checking crossbeam-epoch v0.3.1
[INFO] [stderr]     Checking crossbeam-deque v0.2.0
[INFO] [stderr]     Checking runiter-wot v0.8.0-a0.7 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 3.17s
[INFO] running `Command { std: "docker" "inspect" "00f4a0bc700fc26a6188788bf09ca0d9222c0e23b265ba1945f6c3953f41ed36", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "00f4a0bc700fc26a6188788bf09ca0d9222c0e23b265ba1945f6c3953f41ed36", kill_on_drop: false }`
[INFO] [stdout] 00f4a0bc700fc26a6188788bf09ca0d9222c0e23b265ba1945f6c3953f41ed36