[INFO] fetching crate prioritized-metered-channel 0.6.1...
[INFO] checking prioritized-metered-channel-0.6.1 against try#7014e13d5becc920d4bea3cd87942c8a13d359bf+rustflags=-Dtail_expr_drop_order for pr-129864
[INFO] extracting crate prioritized-metered-channel 0.6.1 into /workspace/builds/worker-1-tc2/source
[INFO] validating manifest of crates.io crate prioritized-metered-channel 0.6.1 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 prioritized-metered-channel 0.6.1
[INFO] finished tweaking crates.io crate prioritized-metered-channel 0.6.1
[INFO] tweaked toml for crates.io crate prioritized-metered-channel 0.6.1 written to /workspace/builds/worker-1-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]      Locking 73 packages to latest compatible versions
[INFO] [stderr]       Adding async-channel v1.9.0 (available: v2.3.1)
[INFO] [stderr]       Adding convert_case v0.4.0 (available: v0.6.0)
[INFO] [stderr]       Adding derive_more v0.99.18 (available: v1.0.0)
[INFO] [stderr]       Adding env_logger v0.9.3 (available: v0.11.5)
[INFO] [stderr]       Adding event-listener v2.5.3 (available: v5.3.1)
[INFO] [stderr]       Adding hermit-abi v0.1.19 (available: v0.4.0)
[INFO] [stderr]       Adding hermit-abi v0.3.9 (available: v0.4.0)
[INFO] [stderr]       Adding wasi v0.11.0+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" "+7014e13d5becc920d4bea3cd87942c8a13d359bf" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[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] d25a5ed9cb07b64b0dc4e5877bc2c26bd507c8c1662b9f29aaf245403fe0050f
[INFO] running `Command { std: "docker" "start" "-a" "d25a5ed9cb07b64b0dc4e5877bc2c26bd507c8c1662b9f29aaf245403fe0050f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "d25a5ed9cb07b64b0dc4e5877bc2c26bd507c8c1662b9f29aaf245403fe0050f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d25a5ed9cb07b64b0dc4e5877bc2c26bd507c8c1662b9f29aaf245403fe0050f", kill_on_drop: false }`
[INFO] [stdout] d25a5ed9cb07b64b0dc4e5877bc2c26bd507c8c1662b9f29aaf245403fe0050f
[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] 59641384d1426a0bc17facb23194d9895c2e8097a31c08fd12c34e31b269fb6b
[INFO] running `Command { std: "docker" "start" "-a" "59641384d1426a0bc17facb23194d9895c2e8097a31c08fd12c34e31b269fb6b", kill_on_drop: false }`
[INFO] [stderr]     Checking futures-sink v0.3.30
[INFO] [stderr]    Compiling convert_case v0.4.0
[INFO] [stderr]     Checking futures-timer v3.0.3
[INFO] [stderr]     Checking nanorand v0.7.0
[INFO] [stderr]     Checking assert_matches v1.5.0
[INFO] [stderr]    Compiling syn v2.0.77
[INFO] [stderr]     Checking num_cpus v1.16.0
[INFO] [stderr]     Checking concurrent-queue v2.5.0
[INFO] [stderr]     Checking coarsetime v0.1.34
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking env_logger v0.9.3
[INFO] [stderr]     Checking futures-channel v0.3.30
[INFO] [stderr]     Checking async-channel v1.9.0
[INFO] [stderr]    Compiling futures-macro v0.3.30
[INFO] [stderr]    Compiling tracing-attributes v0.1.27
[INFO] [stderr]    Compiling thiserror-impl v1.0.64
[INFO] [stderr]    Compiling derive_more v0.99.18
[INFO] [stderr]     Checking futures-util v0.3.30
[INFO] [stderr]     Checking tracing v0.1.40
[INFO] [stderr]     Checking thiserror v1.0.64
[INFO] [stderr]     Checking futures-executor v0.3.30
[INFO] [stderr]     Checking futures v0.3.30
[INFO] [stderr]     Checking prioritized-metered-channel v0.6.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 13.72s
[INFO] running `Command { std: "docker" "inspect" "59641384d1426a0bc17facb23194d9895c2e8097a31c08fd12c34e31b269fb6b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "59641384d1426a0bc17facb23194d9895c2e8097a31c08fd12c34e31b269fb6b", kill_on_drop: false }`
[INFO] [stdout] 59641384d1426a0bc17facb23194d9895c2e8097a31c08fd12c34e31b269fb6b