[INFO] fetching crate tokio-timer-futures2 0.2.1...
[INFO] documenting tokio-timer-futures2-0.2.1 against 1.61.0 for beta-1.62-rustdoc-1
[INFO] extracting crate tokio-timer-futures2 0.2.1 into /workspace/builds/worker-34/source
[INFO] validating manifest of crates.io crate tokio-timer-futures2 0.2.1 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 tokio-timer-futures2 0.2.1
[INFO] finished tweaking crates.io crate tokio-timer-futures2 0.2.1
[INFO] tweaked toml for crates.io crate tokio-timer-futures2 0.2.1 written to /workspace/builds/worker-34/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] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.61.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded futures-core v0.2.1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-34/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-34/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] b311b864688c1d42649144f56b3fe6ad2b009add82b6192d96a28ff8f8fd5c66
[INFO] running `Command { std: "docker" "start" "-a" "b311b864688c1d42649144f56b3fe6ad2b009add82b6192d96a28ff8f8fd5c66", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "b311b864688c1d42649144f56b3fe6ad2b009add82b6192d96a28ff8f8fd5c66", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b311b864688c1d42649144f56b3fe6ad2b009add82b6192d96a28ff8f8fd5c66", kill_on_drop: false }`
[INFO] [stdout] b311b864688c1d42649144f56b3fe6ad2b009add82b6192d96a28ff8f8fd5c66
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-34/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-34/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] 295d67ae82e5f22abe7093cb8235e4097fbbdc15abf946b842b03bed713437ea
[INFO] running `Command { std: "docker" "start" "-a" "295d67ae82e5f22abe7093cb8235e4097fbbdc15abf946b842b03bed713437ea", kill_on_drop: false }`
[INFO] [stderr]     Checking either v1.6.1
[INFO] [stderr]     Checking slab v0.3.0
[INFO] [stderr]     Checking futures-core v0.2.1
[INFO] [stderr]  Documenting tokio-timer-futures2 v0.2.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.38s
[INFO] running `Command { std: "docker" "inspect" "295d67ae82e5f22abe7093cb8235e4097fbbdc15abf946b842b03bed713437ea", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "295d67ae82e5f22abe7093cb8235e4097fbbdc15abf946b842b03bed713437ea", kill_on_drop: false }`
[INFO] [stdout] 295d67ae82e5f22abe7093cb8235e4097fbbdc15abf946b842b03bed713437ea
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-34/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-34/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] 70386899c36323b23591b7e1a8ff320f0076cc0194f196149e838d86daf7bf60
[INFO] running `Command { std: "docker" "start" "-a" "70386899c36323b23591b7e1a8ff320f0076cc0194f196149e838d86daf7bf60", kill_on_drop: false }`
[INFO] [stderr]     Checking either v1.6.1
[INFO] [stderr]     Checking slab v0.3.0
[INFO] [stderr]     Checking futures-core v0.2.1
[INFO] [stderr]  Documenting tokio-timer-futures2 v0.2.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.53s
[INFO] running `Command { std: "docker" "inspect" "70386899c36323b23591b7e1a8ff320f0076cc0194f196149e838d86daf7bf60", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "70386899c36323b23591b7e1a8ff320f0076cc0194f196149e838d86daf7bf60", kill_on_drop: false }`
[INFO] [stdout] 70386899c36323b23591b7e1a8ff320f0076cc0194f196149e838d86daf7bf60