[INFO] fetching crate headless_chrome 0.9.0...
[INFO] checking headless_chrome-0.9.0 against master#8a497b7181cad4ae66dbd6cc31042b69b6bd0df7 for pr-102474
[INFO] extracting crate headless_chrome 0.9.0 into /workspace/builds/worker-5/source
[INFO] validating manifest of crates.io crate headless_chrome 0.9.0 on toolchain 8a497b7181cad4ae66dbd6cc31042b69b6bd0df7
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8a497b7181cad4ae66dbd6cc31042b69b6bd0df7" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate headless_chrome 0.9.0
[INFO] finished tweaking crates.io crate headless_chrome 0.9.0
[INFO] tweaked toml for crates.io crate headless_chrome 0.9.0 written to /workspace/builds/worker-5/source/Cargo.toml
[INFO] crate crates.io crate headless_chrome 0.9.0 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8a497b7181cad4ae66dbd6cc31042b69b6bd0df7" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
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[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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@sha256:3d1cd00eb6e6ea2a7969240779edeaeff35b24be85036c63b883ba933028a15f" "/opt/rustwide/cargo-home/bin/cargo" "+8a497b7181cad4ae66dbd6cc31042b69b6bd0df7" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 65f7bca9718f24ef4832c7ab72c6123122cb42f7fab9ba85a7be2da1c4109dbb
[INFO] running `Command { std: "docker" "start" "-a" "65f7bca9718f24ef4832c7ab72c6123122cb42f7fab9ba85a7be2da1c4109dbb", kill_on_drop: false }`
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[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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@sha256:3d1cd00eb6e6ea2a7969240779edeaeff35b24be85036c63b883ba933028a15f" "/opt/rustwide/cargo-home/bin/cargo" "+8a497b7181cad4ae66dbd6cc31042b69b6bd0df7" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] a226b334db413d0ba9a32c108ec2dbee1bdb5533b93ed20f147b2163ae936193
[INFO] running `Command { std: "docker" "start" "-a" "a226b334db413d0ba9a32c108ec2dbee1bdb5533b93ed20f147b2163ae936193", kill_on_drop: false }`
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[INFO] [stderr]     Checking headless_chrome v0.9.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: fields `node_type`, `node_name` and `backend_node_id` are never read
[INFO] [stdout]   --> src/protocol/dom.rs:49:5
[INFO] [stdout]    |
[INFO] [stdout] 48 | pub struct BackendNode {
[INFO] [stdout]    |            ----------- fields in this struct
[INFO] [stdout] 49 |     node_type: NodeId,
[INFO] [stdout]    |     ^^^^^^^^^
[INFO] [stdout] 50 |     node_name: String,
[INFO] [stdout]    |     ^^^^^^^^^
[INFO] [stdout] 51 |     backend_node_id: NodeId,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout]    = note: `BackendNode` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `node_type`, `node_name` and `backend_node_id` are never read
[INFO] [stdout]   --> src/protocol/dom.rs:49:5
[INFO] [stdout]    |
[INFO] [stdout] 48 | pub struct BackendNode {
[INFO] [stdout]    |            ----------- fields in this struct
[INFO] [stdout] 49 |     node_type: NodeId,
[INFO] [stdout]    |     ^^^^^^^^^
[INFO] [stdout] 50 |     node_name: String,
[INFO] [stdout]    |     ^^^^^^^^^
[INFO] [stdout] 51 |     backend_node_id: NodeId,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout]    = note: `BackendNode` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 27.80s
[INFO] running `Command { std: "docker" "inspect" "a226b334db413d0ba9a32c108ec2dbee1bdb5533b93ed20f147b2163ae936193", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a226b334db413d0ba9a32c108ec2dbee1bdb5533b93ed20f147b2163ae936193", kill_on_drop: false }`
[INFO] [stdout] a226b334db413d0ba9a32c108ec2dbee1bdb5533b93ed20f147b2163ae936193