[INFO] fetching crate rascal 0.1.2...
[INFO] documenting rascal-0.1.2 against 1.61.0 for beta-1.62-rustdoc-1
[INFO] extracting crate rascal 0.1.2 into /workspace/builds/worker-36/source
[INFO] validating manifest of crates.io crate rascal 0.1.2 on toolchain 1.61.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.61.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate rascal 0.1.2
[INFO] finished tweaking crates.io crate rascal 0.1.2
[INFO] tweaked toml for crates.io crate rascal 0.1.2 written to /workspace/builds/worker-36/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.61.0" "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" "+1.61.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-36/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-36/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:d190cb871061d98bc6d0581d85cb2ecb09a0f8a142ba5463de30be9999fc3251" "/opt/rustwide/cargo-home/bin/cargo" "+1.61.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 61c4a49543ba54f23d7c380458d9bfa2f22db316fe1b9943a6490c95c2f14320
[INFO] running `Command { std: "docker" "start" "-a" "61c4a49543ba54f23d7c380458d9bfa2f22db316fe1b9943a6490c95c2f14320", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "61c4a49543ba54f23d7c380458d9bfa2f22db316fe1b9943a6490c95c2f14320", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "61c4a49543ba54f23d7c380458d9bfa2f22db316fe1b9943a6490c95c2f14320", kill_on_drop: false }`
[INFO] [stdout] 61c4a49543ba54f23d7c380458d9bfa2f22db316fe1b9943a6490c95c2f14320
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-36/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-36/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" "RUSTDOCFLAGS=--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:d190cb871061d98bc6d0581d85cb2ecb09a0f8a142ba5463de30be9999fc3251" "/opt/rustwide/cargo-home/bin/cargo" "+1.61.0" "doc" "--frozen" "--no-deps" "--document-private-items" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 75ebbc2a7c4942571aec6b0bcd0714f54e872015d0aa628b133ad19ea6ebaf16
[INFO] running `Command { std: "docker" "start" "-a" "75ebbc2a7c4942571aec6b0bcd0714f54e872015d0aa628b133ad19ea6ebaf16", kill_on_drop: false }`
[INFO] [stderr]     Checking rascal_scanner v0.1.2
[INFO] [stderr]     Checking rascal_bytecode v0.1.2
[INFO] [stderr]     Checking rascal_parser v0.1.2
[INFO] [stderr]     Checking rascal_compiler v0.1.2
[INFO] [stderr]     Checking rascal_vm v0.1.2
[INFO] [stderr]  Documenting rascal v0.1.2 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.14s
[INFO] running `Command { std: "docker" "inspect" "75ebbc2a7c4942571aec6b0bcd0714f54e872015d0aa628b133ad19ea6ebaf16", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "75ebbc2a7c4942571aec6b0bcd0714f54e872015d0aa628b133ad19ea6ebaf16", kill_on_drop: false }`
[INFO] [stdout] 75ebbc2a7c4942571aec6b0bcd0714f54e872015d0aa628b133ad19ea6ebaf16
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-36/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-36/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" "DOCS_RS=1" "-e" "RUSTC_BOOTSTRAP=1" "-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:d190cb871061d98bc6d0581d85cb2ecb09a0f8a142ba5463de30be9999fc3251" "/opt/rustwide/cargo-home/bin/cargo" "+1.61.0" "rustdoc" "--lib" "-Zrustdoc-map" "--frozen" "--message-format=json" "--" "-Z" "unstable-options" "--document-private-items", kill_on_drop: false }`
[INFO] [stdout] 0066bf91f9aca48f672f80c391b502a9ade8f51fed4dc07d6b63850ad2c16b71
[INFO] running `Command { std: "docker" "start" "-a" "0066bf91f9aca48f672f80c391b502a9ade8f51fed4dc07d6b63850ad2c16b71", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Checking rascal_scanner v0.1.2
[INFO] [stderr]     Checking rascal_bytecode v0.1.2
[INFO] [stderr]     Checking rascal_parser v0.1.2
[INFO] [stderr]     Checking rascal_compiler v0.1.2
[INFO] [stderr]     Checking rascal_vm v0.1.2
[INFO] [stderr]  Documenting rascal v0.1.2 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.37s
[INFO] running `Command { std: "docker" "inspect" "0066bf91f9aca48f672f80c391b502a9ade8f51fed4dc07d6b63850ad2c16b71", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0066bf91f9aca48f672f80c391b502a9ade8f51fed4dc07d6b63850ad2c16b71", kill_on_drop: false }`
[INFO] [stdout] 0066bf91f9aca48f672f80c391b502a9ade8f51fed4dc07d6b63850ad2c16b71