[INFO] fetching crate website_crawler 0.2.3...
[INFO] checking website_crawler-0.2.3 against master#e652caa679a304af11fc04f1f12452f255a82593 for pr-98000
[INFO] extracting crate website_crawler 0.2.3 into /workspace/builds/worker-4/source
[INFO] validating manifest of crates.io crate website_crawler 0.2.3 on toolchain e652caa679a304af11fc04f1f12452f255a82593
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+e652caa679a304af11fc04f1f12452f255a82593" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] removed /workspace/builds/worker-4/source/rust-toolchain
[INFO] started tweaking crates.io crate website_crawler 0.2.3
[INFO] finished tweaking crates.io crate website_crawler 0.2.3
[INFO] tweaked toml for crates.io crate website_crawler 0.2.3 written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] crate crates.io crate website_crawler 0.2.3 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+e652caa679a304af11fc04f1f12452f255a82593" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded petgraph v0.6.1
[INFO] [stderr]   Downloaded robotparser-fork v0.10.5
[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:ac0d0aa6ec8ed129e241004a6179c99fa0d2616f50ba759c5b60bd26d0fafa02" "/opt/rustwide/cargo-home/bin/cargo" "+e652caa679a304af11fc04f1f12452f255a82593" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 7057f46333369207baac8439bb79fbf5cfed1e6c08f995cfac7d9f6cdf55bdfd
[INFO] running `Command { std: "docker" "start" "-a" "7057f46333369207baac8439bb79fbf5cfed1e6c08f995cfac7d9f6cdf55bdfd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "7057f46333369207baac8439bb79fbf5cfed1e6c08f995cfac7d9f6cdf55bdfd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7057f46333369207baac8439bb79fbf5cfed1e6c08f995cfac7d9f6cdf55bdfd", kill_on_drop: false }`
[INFO] [stdout] 7057f46333369207baac8439bb79fbf5cfed1e6c08f995cfac7d9f6cdf55bdfd
[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" "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:ac0d0aa6ec8ed129e241004a6179c99fa0d2616f50ba759c5b60bd26d0fafa02" "/opt/rustwide/cargo-home/bin/cargo" "+e652caa679a304af11fc04f1f12452f255a82593" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 8033d5a632878a9680ef51072e6cc714a77df90888bb35eb18fa43329d50a255
[INFO] running `Command { std: "docker" "start" "-a" "8033d5a632878a9680ef51072e6cc714a77df90888bb35eb18fa43329d50a255", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.126
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[INFO] running `Command { std: "docker" "inspect" "8033d5a632878a9680ef51072e6cc714a77df90888bb35eb18fa43329d50a255", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8033d5a632878a9680ef51072e6cc714a77df90888bb35eb18fa43329d50a255", kill_on_drop: false }`
[INFO] [stdout] 8033d5a632878a9680ef51072e6cc714a77df90888bb35eb18fa43329d50a255