[INFO] fetching crate scan4df 0.2.1...
[INFO] checking scan4df-0.2.1 against try#dbe54b90b471ee86a3b006973bf90c6cbb93415f for pr-102091
[INFO] extracting crate scan4df 0.2.1 into /workspace/builds/worker-1/source
[INFO] validating manifest of crates.io crate scan4df 0.2.1 on toolchain dbe54b90b471ee86a3b006973bf90c6cbb93415f
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+dbe54b90b471ee86a3b006973bf90c6cbb93415f" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate scan4df 0.2.1
[INFO] finished tweaking crates.io crate scan4df 0.2.1
[INFO] tweaked toml for crates.io crate scan4df 0.2.1 written to /workspace/builds/worker-1/source/Cargo.toml
[INFO] crate crates.io crate scan4df 0.2.1 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+dbe54b90b471ee86a3b006973bf90c6cbb93415f" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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@sha256:06bd2dc561ac9b9120e7d8112cca06cd3b1bded0ddb8515a4f6a39439d56c944" "/opt/rustwide/cargo-home/bin/cargo" "+dbe54b90b471ee86a3b006973bf90c6cbb93415f" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 6670fe7a646c9e27511ad2ceb8ddec10ec937c2972443b94746fd3e3482d4df6
[INFO] running `Command { std: "docker" "start" "-a" "6670fe7a646c9e27511ad2ceb8ddec10ec937c2972443b94746fd3e3482d4df6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "6670fe7a646c9e27511ad2ceb8ddec10ec937c2972443b94746fd3e3482d4df6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6670fe7a646c9e27511ad2ceb8ddec10ec937c2972443b94746fd3e3482d4df6", kill_on_drop: false }`
[INFO] [stdout] 6670fe7a646c9e27511ad2ceb8ddec10ec937c2972443b94746fd3e3482d4df6
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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" "-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@sha256:06bd2dc561ac9b9120e7d8112cca06cd3b1bded0ddb8515a4f6a39439d56c944" "/opt/rustwide/cargo-home/bin/cargo" "+dbe54b90b471ee86a3b006973bf90c6cbb93415f" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 1f0584cc893ece8c34787fb1967aa7b9e298586a978cf2a1698d56228e82483d
[INFO] running `Command { std: "docker" "start" "-a" "1f0584cc893ece8c34787fb1967aa7b9e298586a978cf2a1698d56228e82483d", kill_on_drop: false }`
[INFO] [stderr]     Checking scan4df v0.2.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.37s
[ERROR] error running command: no output for 300 seconds
[INFO] running `Command { std: "docker" "inspect" "1f0584cc893ece8c34787fb1967aa7b9e298586a978cf2a1698d56228e82483d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1f0584cc893ece8c34787fb1967aa7b9e298586a978cf2a1698d56228e82483d", kill_on_drop: false }`
[INFO] [stdout] 1f0584cc893ece8c34787fb1967aa7b9e298586a978cf2a1698d56228e82483d