[INFO] fetching crate what-the-async 0.1.0...
[INFO] checking what-the-async-0.1.0 against try#7014e13d5becc920d4bea3cd87942c8a13d359bf+rustflags=-Dtail_expr_drop_order for pr-129864
[INFO] extracting crate what-the-async 0.1.0 into /workspace/builds/worker-1-tc2/source
[INFO] validating manifest of crates.io crate what-the-async 0.1.0 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 what-the-async 0.1.0
[INFO] finished tweaking crates.io crate what-the-async 0.1.0
[INFO] tweaked toml for crates.io crate what-the-async 0.1.0 written to /workspace/builds/worker-1-tc2/source/Cargo.toml
[INFO] crate crates.io crate what-the-async 0.1.0 already has a lockfile, it will not be regenerated
[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]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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] ef859fa02ebea98fe96bd1215d6c90ed4731e861ec6ae5d6f56e94a2d979571b
[INFO] running `Command { std: "docker" "start" "-a" "ef859fa02ebea98fe96bd1215d6c90ed4731e861ec6ae5d6f56e94a2d979571b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "ef859fa02ebea98fe96bd1215d6c90ed4731e861ec6ae5d6f56e94a2d979571b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ef859fa02ebea98fe96bd1215d6c90ed4731e861ec6ae5d6f56e94a2d979571b", kill_on_drop: false }`
[INFO] [stdout] ef859fa02ebea98fe96bd1215d6c90ed4731e861ec6ae5d6f56e94a2d979571b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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] 6f24074dbb9064e17b6a47769cab4be3d2bc8a480a84e58ee1bbd9e888fd2ebb
[INFO] running `Command { std: "docker" "start" "-a" "6f24074dbb9064e17b6a47769cab4be3d2bc8a480a84e58ee1bbd9e888fd2ebb", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.38
[INFO] [stderr]    Compiling unicode-xid v0.2.3
[INFO] [stderr]    Compiling syn v1.0.92
[INFO] [stderr]    Compiling futures-core v0.3.21
[INFO] [stderr]    Compiling libc v0.2.125
[INFO] [stderr]    Compiling num-traits v0.2.15
[INFO] [stderr]    Compiling futures-channel v0.3.21
[INFO] [stderr]    Compiling num-integer v0.1.45
[INFO] [stderr]     Checking futures-sink v0.3.21
[INFO] [stderr]    Compiling num-bigint v0.4.3
[INFO] [stderr]     Checking pin-project-lite v0.2.9
[INFO] [stderr]    Compiling log v0.4.17
[INFO] [stderr]    Compiling crossbeam-utils v0.8.8
[INFO] [stderr]    Compiling crossbeam-queue v0.3.5
[INFO] [stderr]    Compiling quote v1.0.18
[INFO] [stderr]     Checking getrandom v0.2.6
[INFO] [stderr]     Checking mio v0.8.3
[INFO] [stderr]     Checking rand_core v0.6.3
[INFO] [stderr]     Checking rand_chacha v0.3.1
[INFO] [stderr]     Checking rand v0.8.5
[INFO] [stderr]    Compiling futures-macro v0.3.21
[INFO] [stderr]    Compiling enum-ordinalize v3.1.11
[INFO] [stderr]    Compiling educe v0.4.19
[INFO] [stderr]     Checking futures-util v0.3.21
[INFO] [stderr]     Checking futures-executor v0.3.21
[INFO] [stderr]     Checking futures v0.3.21
[INFO] [stderr]     Checking wta-reactor v0.1.0
[INFO] [stderr]     Checking wta-executor v0.1.0
[INFO] [stderr]     Checking what-the-async v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 11.81s
[INFO] running `Command { std: "docker" "inspect" "6f24074dbb9064e17b6a47769cab4be3d2bc8a480a84e58ee1bbd9e888fd2ebb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6f24074dbb9064e17b6a47769cab4be3d2bc8a480a84e58ee1bbd9e888fd2ebb", kill_on_drop: false }`
[INFO] [stdout] 6f24074dbb9064e17b6a47769cab4be3d2bc8a480a84e58ee1bbd9e888fd2ebb