[INFO] fetching crate perf-event 0.4.8...
[INFO] checking perf-event-0.4.8 against try#7014e13d5becc920d4bea3cd87942c8a13d359bf+rustflags=-Dtail_expr_drop_order for pr-129864
[INFO] extracting crate perf-event 0.4.8 into /workspace/builds/worker-6-tc2/source
[INFO] validating manifest of crates.io crate perf-event 0.4.8 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 perf-event 0.4.8
[INFO] finished tweaking crates.io crate perf-event 0.4.8
[INFO] tweaked toml for crates.io crate perf-event 0.4.8 written to /workspace/builds/worker-6-tc2/source/Cargo.toml
[INFO] crate crates.io crate perf-event 0.4.8 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] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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] a8a5dfd52a67e7fec96d2cdcd383e9ab53527f8e339e90b9506e470b3afb01b8
[INFO] running `Command { std: "docker" "start" "-a" "a8a5dfd52a67e7fec96d2cdcd383e9ab53527f8e339e90b9506e470b3afb01b8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "a8a5dfd52a67e7fec96d2cdcd383e9ab53527f8e339e90b9506e470b3afb01b8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a8a5dfd52a67e7fec96d2cdcd383e9ab53527f8e339e90b9506e470b3afb01b8", kill_on_drop: false }`
[INFO] [stdout] a8a5dfd52a67e7fec96d2cdcd383e9ab53527f8e339e90b9506e470b3afb01b8
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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] f743b90d87df8e8bf5536ff21d382535e8e0f86711d9ad1fb06bbc54f43cfca5
[INFO] running `Command { std: "docker" "start" "-a" "f743b90d87df8e8bf5536ff21d382535e8e0f86711d9ad1fb06bbc54f43cfca5", kill_on_drop: false }`
[INFO] [stderr]     Checking perf-event-open-sys v4.0.0
[INFO] [stderr]     Checking perf-event v0.4.8 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.79s
[INFO] running `Command { std: "docker" "inspect" "f743b90d87df8e8bf5536ff21d382535e8e0f86711d9ad1fb06bbc54f43cfca5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f743b90d87df8e8bf5536ff21d382535e8e0f86711d9ad1fb06bbc54f43cfca5", kill_on_drop: false }`
[INFO] [stdout] f743b90d87df8e8bf5536ff21d382535e8e0f86711d9ad1fb06bbc54f43cfca5