[INFO] fetching crate phlow-ffi 2.0.0...
[INFO] checking phlow-ffi-2.0.0 against try#7014e13d5becc920d4bea3cd87942c8a13d359bf+rustflags=-Dtail_expr_drop_order for pr-129864
[INFO] extracting crate phlow-ffi 2.0.0 into /workspace/builds/worker-0-tc2/source
[INFO] validating manifest of crates.io crate phlow-ffi 2.0.0 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 phlow-ffi 2.0.0
[INFO] finished tweaking crates.io crate phlow-ffi 2.0.0
[INFO] tweaked toml for crates.io crate phlow-ffi 2.0.0 written to /workspace/builds/worker-0-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]     Updating crates.io index
[INFO] [stderr]      Locking 43 packages to latest compatible versions
[INFO] [stderr]       Adding phlow v1.7.1 (available: v2.0.1)
[INFO] [stderr]       Adding phlow-derive v1.4.0 (available: v2.0.0)
[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] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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] bfd6f1a6b8dfa2bd6740986ec6d84ee72588b7a7b2c2403aef2d2b84e1bea7e6
[INFO] running `Command { std: "docker" "start" "-a" "bfd6f1a6b8dfa2bd6740986ec6d84ee72588b7a7b2c2403aef2d2b84e1bea7e6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "bfd6f1a6b8dfa2bd6740986ec6d84ee72588b7a7b2c2403aef2d2b84e1bea7e6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bfd6f1a6b8dfa2bd6740986ec6d84ee72588b7a7b2c2403aef2d2b84e1bea7e6", kill_on_drop: false }`
[INFO] [stdout] bfd6f1a6b8dfa2bd6740986ec6d84ee72588b7a7b2c2403aef2d2b84e1bea7e6
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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] 86218a6796fd769572274c2e2e3e5874c87e1bf2b8ad03ae34114cfbf08ff39d
[INFO] running `Command { std: "docker" "start" "-a" "86218a6796fd769572274c2e2e3e5874c87e1bf2b8ad03ae34114cfbf08ff39d", kill_on_drop: false }`
[INFO] [stderr]     Checking futures-core v0.3.30
[INFO] [stderr]     Checking futures-task v0.3.30
[INFO] [stderr]     Checking pin-utils v0.1.0
[INFO] [stderr]     Checking user-error v1.2.8
[INFO] [stderr]     Checking widestring v1.1.0
[INFO] [stderr]    Compiling rust-format v0.3.4
[INFO] [stderr]    Compiling futures-macro v0.3.30
[INFO] [stderr]    Compiling phlow-derive v1.4.0
[INFO] [stderr]    Compiling phlow-derive v2.0.0
[INFO] [stderr]     Checking phlow v1.7.1
[INFO] [stderr]     Checking futures-util v0.3.30
[INFO] [stderr]     Checking value-box v2.3.3
[INFO] [stderr]     Checking string-box v1.1.1
[INFO] [stderr]     Checking futures-executor v0.3.30
[INFO] [stderr]     Checking phlow v2.0.1
[INFO] [stderr]     Checking phlow-ffi v2.0.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 5.40s
[INFO] running `Command { std: "docker" "inspect" "86218a6796fd769572274c2e2e3e5874c87e1bf2b8ad03ae34114cfbf08ff39d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "86218a6796fd769572274c2e2e3e5874c87e1bf2b8ad03ae34114cfbf08ff39d", kill_on_drop: false }`
[INFO] [stdout] 86218a6796fd769572274c2e2e3e5874c87e1bf2b8ad03ae34114cfbf08ff39d