[INFO] fetching crate tokio-timeit-middleware 0.1.0...
[INFO] documenting tokio-timeit-middleware-0.1.0 against 1.61.0 for beta-1.62-rustdoc-1
[INFO] extracting crate tokio-timeit-middleware 0.1.0 into /workspace/builds/worker-17/source
[INFO] validating manifest of crates.io crate tokio-timeit-middleware 0.1.0 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 tokio-timeit-middleware 0.1.0
[INFO] finished tweaking crates.io crate tokio-timeit-middleware 0.1.0
[INFO] tweaked toml for crates.io crate tokio-timeit-middleware 0.1.0 written to /workspace/builds/worker-17/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] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-17/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-17/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] 6053961daa98acad74eb1fba4f520f1ace8fce8c2ade254aa808640ee0efb36b
[INFO] running `Command { std: "docker" "start" "-a" "6053961daa98acad74eb1fba4f520f1ace8fce8c2ade254aa808640ee0efb36b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "6053961daa98acad74eb1fba4f520f1ace8fce8c2ade254aa808640ee0efb36b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6053961daa98acad74eb1fba4f520f1ace8fce8c2ade254aa808640ee0efb36b", kill_on_drop: false }`
[INFO] [stdout] 6053961daa98acad74eb1fba4f520f1ace8fce8c2ade254aa808640ee0efb36b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-17/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-17/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] f2ae0e13f34089ceef69d0b5e06e8e01d576635eec5bac0fd7c7bec17e8eb373
[INFO] running `Command { std: "docker" "start" "-a" "f2ae0e13f34089ceef69d0b5e06e8e01d576635eec5bac0fd7c7bec17e8eb373", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.126
[INFO] [stderr]     Checking futures v0.1.31
[INFO] [stderr]     Checking tokio-service v0.1.0
[INFO] [stderr]     Checking time v0.1.44
[INFO] [stderr]  Documenting tokio-timeit-middleware v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 3.03s
[INFO] running `Command { std: "docker" "inspect" "f2ae0e13f34089ceef69d0b5e06e8e01d576635eec5bac0fd7c7bec17e8eb373", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f2ae0e13f34089ceef69d0b5e06e8e01d576635eec5bac0fd7c7bec17e8eb373", kill_on_drop: false }`
[INFO] [stdout] f2ae0e13f34089ceef69d0b5e06e8e01d576635eec5bac0fd7c7bec17e8eb373
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-17/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-17/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] 59220de82f952d894d6017ee39bb1ba2ac67927dcabbc50469b5a73666346ddc
[INFO] running `Command { std: "docker" "start" "-a" "59220de82f952d894d6017ee39bb1ba2ac67927dcabbc50469b5a73666346ddc", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.126
[INFO] [stderr]     Checking futures v0.1.31
[INFO] [stderr]     Checking tokio-service v0.1.0
[INFO] [stderr]     Checking time v0.1.44
[INFO] [stderr]  Documenting tokio-timeit-middleware v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 3.22s
[INFO] running `Command { std: "docker" "inspect" "59220de82f952d894d6017ee39bb1ba2ac67927dcabbc50469b5a73666346ddc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "59220de82f952d894d6017ee39bb1ba2ac67927dcabbc50469b5a73666346ddc", kill_on_drop: false }`
[INFO] [stdout] 59220de82f952d894d6017ee39bb1ba2ac67927dcabbc50469b5a73666346ddc