[INFO] fetching crate futures-machines 0.0.0...
[INFO] documenting futures-machines-0.0.0 against 1.61.0 for beta-1.62-rustdoc-1
[INFO] extracting crate futures-machines 0.0.0 into /workspace/builds/worker-83/source
[INFO] validating manifest of crates.io crate futures-machines 0.0.0 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 futures-machines 0.0.0
[INFO] finished tweaking crates.io crate futures-machines 0.0.0
[INFO] tweaked toml for crates.io crate futures-machines 0.0.0 written to /workspace/builds/worker-83/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-83/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-83/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] 6b0e469a4731ccda48bf1744ba8f37094c9d13a1f9d7ec52275993ff12863fa8
[INFO] running `Command { std: "docker" "start" "-a" "6b0e469a4731ccda48bf1744ba8f37094c9d13a1f9d7ec52275993ff12863fa8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "6b0e469a4731ccda48bf1744ba8f37094c9d13a1f9d7ec52275993ff12863fa8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6b0e469a4731ccda48bf1744ba8f37094c9d13a1f9d7ec52275993ff12863fa8", kill_on_drop: false }`
[INFO] [stdout] 6b0e469a4731ccda48bf1744ba8f37094c9d13a1f9d7ec52275993ff12863fa8
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-83/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-83/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] 5a547657c4444cacca0f179deee032672c3e059b32e4c51024a28201b7a18976
[INFO] running `Command { std: "docker" "start" "-a" "5a547657c4444cacca0f179deee032672c3e059b32e4c51024a28201b7a18976", kill_on_drop: false }`
[INFO] [stderr]  Documenting futures-machines v0.0.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.91s
[INFO] running `Command { std: "docker" "inspect" "5a547657c4444cacca0f179deee032672c3e059b32e4c51024a28201b7a18976", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5a547657c4444cacca0f179deee032672c3e059b32e4c51024a28201b7a18976", kill_on_drop: false }`
[INFO] [stdout] 5a547657c4444cacca0f179deee032672c3e059b32e4c51024a28201b7a18976
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-83/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-83/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" "--frozen" "--message-format=json" "--" "-Z" "unstable-options" "--document-private-items", kill_on_drop: false }`
[INFO] [stdout] dbdd441d3148042d02636030a9221c083c8220a67341885a6e541bc6e39dc0fc
[INFO] running `Command { std: "docker" "start" "-a" "dbdd441d3148042d02636030a9221c083c8220a67341885a6e541bc6e39dc0fc", kill_on_drop: false }`
[INFO] [stderr]  Documenting futures-machines v0.0.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.80s
[INFO] running `Command { std: "docker" "inspect" "dbdd441d3148042d02636030a9221c083c8220a67341885a6e541bc6e39dc0fc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "dbdd441d3148042d02636030a9221c083c8220a67341885a6e541bc6e39dc0fc", kill_on_drop: false }`
[INFO] [stdout] dbdd441d3148042d02636030a9221c083c8220a67341885a6e541bc6e39dc0fc