[INFO] fetching crate rmodbus 0.6.0...
[INFO] documenting rmodbus-0.6.0 against 1.61.0 for beta-1.62-rustdoc-1
[INFO] extracting crate rmodbus 0.6.0 into /workspace/builds/worker-1/source
[INFO] validating manifest of crates.io crate rmodbus 0.6.0 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 rmodbus 0.6.0
[INFO] removed 0 missing examples
[INFO] finished tweaking crates.io crate rmodbus 0.6.0
[INFO] tweaked toml for crates.io crate rmodbus 0.6.0 written to /workspace/builds/worker-1/source/Cargo.toml
[INFO] crate crates.io crate rmodbus 0.6.0 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.61.0" "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 ieee754 v0.2.6
[INFO] [stderr]   Downloaded getrandom v0.1.15
[INFO] [stderr]   Downloaded crc16 v0.4.0
[INFO] [stderr]   Downloaded libc v0.2.77
[INFO] [stderr]   Downloaded fixedvec v0.2.4
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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] 3ddd96fa39ebcfa7b87b17cb97f5f57ae4fdd278d24acee9f35df35b2a96fd1a
[INFO] running `Command { std: "docker" "start" "-a" "3ddd96fa39ebcfa7b87b17cb97f5f57ae4fdd278d24acee9f35df35b2a96fd1a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "3ddd96fa39ebcfa7b87b17cb97f5f57ae4fdd278d24acee9f35df35b2a96fd1a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3ddd96fa39ebcfa7b87b17cb97f5f57ae4fdd278d24acee9f35df35b2a96fd1a", kill_on_drop: false }`
[INFO] [stdout] 3ddd96fa39ebcfa7b87b17cb97f5f57ae4fdd278d24acee9f35df35b2a96fd1a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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] 63552dae2c1dd1ad118df37e75ff5fd8c4f13ce31feda46212c40bfbb300840f
[INFO] running `Command { std: "docker" "start" "-a" "63552dae2c1dd1ad118df37e75ff5fd8c4f13ce31feda46212c40bfbb300840f", kill_on_drop: false }`
[INFO] [stderr]     Checking fixedvec v0.2.4
[INFO] [stderr]     Checking ieee754 v0.2.6
[INFO] [stderr]  Documenting rmodbus v0.6.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.71s
[INFO] running `Command { std: "docker" "inspect" "63552dae2c1dd1ad118df37e75ff5fd8c4f13ce31feda46212c40bfbb300840f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "63552dae2c1dd1ad118df37e75ff5fd8c4f13ce31feda46212c40bfbb300840f", kill_on_drop: false }`
[INFO] [stdout] 63552dae2c1dd1ad118df37e75ff5fd8c4f13ce31feda46212c40bfbb300840f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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" "RUSTC_BOOTSTRAP=1" "-e" "DOCS_RS=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" "--features" "" "--frozen" "--message-format=json" "--" "-Z" "unstable-options" "--document-private-items", kill_on_drop: false }`
[INFO] [stdout] 9416845ac91c58fa8cea2dfb53be1796ceb358b29f1278fa2734796621b1988a
[INFO] running `Command { std: "docker" "start" "-a" "9416845ac91c58fa8cea2dfb53be1796ceb358b29f1278fa2734796621b1988a", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Checking ieee754 v0.2.6
[INFO] [stderr]     Checking fixedvec v0.2.4
[INFO] [stderr]  Documenting rmodbus v0.6.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 4.60s
[INFO] running `Command { std: "docker" "inspect" "9416845ac91c58fa8cea2dfb53be1796ceb358b29f1278fa2734796621b1988a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9416845ac91c58fa8cea2dfb53be1796ceb358b29f1278fa2734796621b1988a", kill_on_drop: false }`
[INFO] [stdout] 9416845ac91c58fa8cea2dfb53be1796ceb358b29f1278fa2734796621b1988a