[INFO] fetching crate sylvan-sys 1.0.0...
[INFO] documenting sylvan-sys-1.0.0 against nightly for scrape-examples
[INFO] extracting crate sylvan-sys 1.0.0 into /workspace/builds/worker-4/source
[INFO] validating manifest of crates.io crate sylvan-sys 1.0.0 on toolchain nightly
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+nightly" "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-4/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+nightly" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+nightly" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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:bb5b0feb4f87116a4ea905b7ff5bf5b85913db05e9f0fbc1abdd3168928d9075" "/opt/rustwide/cargo-home/bin/cargo" "+nightly" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 846f256e68e32f90319374424ea7f60fd0dc975b1cdef92826a1353a4b31ba5b
[INFO] running `Command { std: "docker" "start" "-a" "846f256e68e32f90319374424ea7f60fd0dc975b1cdef92826a1353a4b31ba5b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "846f256e68e32f90319374424ea7f60fd0dc975b1cdef92826a1353a4b31ba5b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "846f256e68e32f90319374424ea7f60fd0dc975b1cdef92826a1353a4b31ba5b", kill_on_drop: false }`
[INFO] [stdout] 846f256e68e32f90319374424ea7f60fd0dc975b1cdef92826a1353a4b31ba5b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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:bb5b0feb4f87116a4ea905b7ff5bf5b85913db05e9f0fbc1abdd3168928d9075" "/opt/rustwide/cargo-home/bin/cargo" "+nightly" "doc" "--frozen" "--no-deps" "--document-private-items" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 66bcf112810ea1feb59c18d766360a3d46fd73cbff0ee5b6b51c24b8363773f0
[INFO] running `Command { std: "docker" "start" "-a" "66bcf112810ea1feb59c18d766360a3d46fd73cbff0ee5b6b51c24b8363773f0", kill_on_drop: false }`
[INFO] [stderr]    Compiling cc v1.0.77
[INFO] [stderr]    Compiling libc v0.2.138
[INFO] [stderr]    Compiling cmake v0.1.49
[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-adfa8f35ae85001f/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-b5feb7a4a053cbd0/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-b5feb7a4a053cbd0/out/v1.6.1.tar.gz" exited with status exit status: 6
[INFO] [stderr]   Error: "Error downloading Sylvan package: CommandError(ExitStatus(unix_wait_status(1536)))."
[INFO] running `Command { std: "docker" "inspect" "66bcf112810ea1feb59c18d766360a3d46fd73cbff0ee5b6b51c24b8363773f0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "66bcf112810ea1feb59c18d766360a3d46fd73cbff0ee5b6b51c24b8363773f0", kill_on_drop: false }`
[INFO] [stdout] 66bcf112810ea1feb59c18d766360a3d46fd73cbff0ee5b6b51c24b8363773f0