[INFO] cloning repository https://github.com/daemontus/sylvan-sys
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/daemontus/sylvan-sys" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdaemontus%2Fsylvan-sys", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdaemontus%2Fsylvan-sys'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 51a0530a9d779e6a98ced948c9232c8e5fb9cb98
[INFO] documenting daemontus/sylvan-sys against nightly for scrape-examples
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdaemontus%2Fsylvan-sys" "/workspace/builds/worker-2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/daemontus/sylvan-sys 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 git repo https://github.com/daemontus/sylvan-sys
[INFO] finished tweaking git repo https://github.com/daemontus/sylvan-sys
[INFO] tweaked toml for git repo https://github.com/daemontus/sylvan-sys written to /workspace/builds/worker-2/source/Cargo.toml
[INFO] crate git repo https://github.com/daemontus/sylvan-sys already has a lockfile, it will not be regenerated
[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-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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] ba6a93fd41d25619cbff873e3416f7e23c8d35d654c31cc5249a8c4829a9f90c
[INFO] running `Command { std: "docker" "start" "-a" "ba6a93fd41d25619cbff873e3416f7e23c8d35d654c31cc5249a8c4829a9f90c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "ba6a93fd41d25619cbff873e3416f7e23c8d35d654c31cc5249a8c4829a9f90c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ba6a93fd41d25619cbff873e3416f7e23c8d35d654c31cc5249a8c4829a9f90c", kill_on_drop: false }`
[INFO] [stdout] ba6a93fd41d25619cbff873e3416f7e23c8d35d654c31cc5249a8c4829a9f90c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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] 90a697873aab1af59d452677ab7d552d50399a7101b6934e3e3fc42d23d45a47
[INFO] running `Command { std: "docker" "start" "-a" "90a697873aab1af59d452677ab7d552d50399a7101b6934e3e3fc42d23d45a47", 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-edba93748da5c6b7/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-4997cc4e761b59a0/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-4997cc4e761b59a0/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" "90a697873aab1af59d452677ab7d552d50399a7101b6934e3e3fc42d23d45a47", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "90a697873aab1af59d452677ab7d552d50399a7101b6934e3e3fc42d23d45a47", kill_on_drop: false }`
[INFO] [stdout] 90a697873aab1af59d452677ab7d552d50399a7101b6934e3e3fc42d23d45a47