[INFO] fetching crate sylvan-sys 1.0.0...
[INFO] testing sylvan-sys-1.0.0 against beta-2021-09-08 for beta-1.56-1
[INFO] extracting crate sylvan-sys 1.0.0 into /workspace/builds/worker-73/source
[INFO] validating manifest of crates.io crate sylvan-sys 1.0.0 on toolchain beta-2021-09-08
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-09-08" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate sylvan-sys 1.0.0
[INFO] finished tweaking crates.io crate sylvan-sys 1.0.0
[INFO] tweaked toml for crates.io crate sylvan-sys 1.0.0 written to /workspace/builds/worker-73/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-09-08" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-09-08" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-73/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-73/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-09-08" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 794245c26d1abe4301eb09a8703cee415ad4256d9fffa434856dbd3410e6637b
[INFO] running `Command { std: "docker" "start" "-a" "794245c26d1abe4301eb09a8703cee415ad4256d9fffa434856dbd3410e6637b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "794245c26d1abe4301eb09a8703cee415ad4256d9fffa434856dbd3410e6637b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "794245c26d1abe4301eb09a8703cee415ad4256d9fffa434856dbd3410e6637b", kill_on_drop: false }`
[INFO] [stdout] 794245c26d1abe4301eb09a8703cee415ad4256d9fffa434856dbd3410e6637b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-73/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-73/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=warn" "-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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-09-08" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 4fd074a02d428b7714a1658d6cd7a9a3b8f8929ad511c8f504d914a545b17f3f
[INFO] running `Command { std: "docker" "start" "-a" "4fd074a02d428b7714a1658d6cd7a9a3b8f8929ad511c8f504d914a545b17f3f", kill_on_drop: false }`
[INFO] [stderr]    Compiling cc v1.0.70
[INFO] [stderr]    Compiling libc v0.2.101
[INFO] [stderr]    Compiling cmake v0.1.45
[INFO] [stderr]    Compiling sylvan-sys v1.0.0 (/opt/rustwide/workdir)
[INFO] [stderr] error: failed to run custom build command for `sylvan-sys v1.0.0 (/opt/rustwide/workdir)`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `/opt/rustwide/target/debug/build/sylvan-sys-48645dd63f09d124/build-script-build` (exit status: 1)
[INFO] [stderr]   --- stdout
[INFO] [stderr]   Downloading https://github.com/trolando/sylvan/archive/refs/tags/v1.6.1.tar.gz to /opt/rustwide/target/debug/build/sylvan-sys-758592fdbb886bdc/out/v1.6.1.tar.gz
[INFO] [stderr] 
[INFO] [stderr]   --- stderr
[INFO] [stderr]   Command "curl" "-L" "https://github.com/trolando/sylvan/archive/refs/tags/v1.6.1.tar.gz" "-o" "/opt/rustwide/target/debug/build/sylvan-sys-758592fdbb886bdc/out/v1.6.1.tar.gz" exited with status exit status: 6
[INFO] [stderr]   Error: "Error downloading Sylvan package: CommandError(ExitStatus(ExitStatus(1536)))."
[INFO] running `Command { std: "docker" "inspect" "4fd074a02d428b7714a1658d6cd7a9a3b8f8929ad511c8f504d914a545b17f3f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4fd074a02d428b7714a1658d6cd7a9a3b8f8929ad511c8f504d914a545b17f3f", kill_on_drop: false }`
[INFO] [stdout] 4fd074a02d428b7714a1658d6cd7a9a3b8f8929ad511c8f504d914a545b17f3f