[INFO] fetching crate tokio-nsq 0.11.0...
[INFO] documenting tokio-nsq-0.11.0 against beta-2020-08-29 for beta-1.47-rustdoc-1
[INFO] extracting crate tokio-nsq 0.11.0 into /workspace/builds/worker-3/source
[INFO] validating manifest of crates.io crate tokio-nsq 0.11.0 on toolchain beta-2020-08-29
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-08-29" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate tokio-nsq 0.11.0
[INFO] finished tweaking crates.io crate tokio-nsq 0.11.0
[INFO] tweaked toml for crates.io crate tokio-nsq 0.11.0 written to /workspace/builds/worker-3/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-08-29" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-08-29" "fetch" "--locked" "--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 gethostname v0.2.1
[INFO] [stderr]   Downloaded async-compression v0.3.5
[INFO] [stderr]   Downloaded snap v1.0.1
[INFO] [stderr]   Downloaded tokio-io-timeout v0.4.0
[INFO] [stderr]   Downloaded backoff v0.2.1
[INFO] [stderr]   Downloaded cargo-lock v4.0.1
[INFO] [stderr]   Downloaded built v0.4.3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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" "rustops/crates-build-env@sha256:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-08-29" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 73d3e22e064d7a102f3ba95424fff135513a56e636530e0808bbacd602a1e804
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "73d3e22e064d7a102f3ba95424fff135513a56e636530e0808bbacd602a1e804", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "73d3e22e064d7a102f3ba95424fff135513a56e636530e0808bbacd602a1e804", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "73d3e22e064d7a102f3ba95424fff135513a56e636530e0808bbacd602a1e804", kill_on_drop: false }`
[INFO] [stdout] 73d3e22e064d7a102f3ba95424fff135513a56e636530e0808bbacd602a1e804
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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" "rustops/crates-build-env@sha256:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-08-29" "doc" "--frozen" "--no-deps" "--document-private-items" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] b8c8efdb595873fc7390a6a50b68c0358d35cfbdca51532057c624427d8fd908
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "b8c8efdb595873fc7390a6a50b68c0358d35cfbdca51532057c624427d8fd908", kill_on_drop: false }`
[INFO] [stderr]    Compiling snap v1.0.1
[INFO] [stderr]    Compiling ring v0.16.15
[INFO] [stderr]     Checking gethostname v0.2.1
[INFO] [stderr]     Checking tracing v0.1.19
[INFO] [stderr]     Checking want v0.3.0
[INFO] [stderr]    Compiling serde v1.0.115
[INFO] [stderr]     Checking pin-project v0.4.23
[INFO] [stderr]    Compiling failure_derive v0.1.8
[INFO] [stderr]     Checking backoff v0.2.1
[INFO] [stderr]     Checking tokio v0.2.22
[INFO] [stderr]     Checking futures-util v0.3.5
[INFO] [stderr]     Checking failure v0.1.8
[INFO] [stderr]     Checking sct v0.6.0
[INFO] [stderr]     Checking webpki v0.21.3
[INFO] [stderr]     Checking rustls v0.18.1
[INFO] [stderr]     Checking serde_json v1.0.57
[INFO] [stderr]     Checking tokio-util v0.3.1
[INFO] [stderr]     Checking tokio-io-timeout v0.4.0
[INFO] [stderr]     Checking async-compression v0.3.5
[INFO] [stderr]    Compiling toml v0.5.6
[INFO] [stderr]    Compiling semver v0.9.0
[INFO] [stderr]     Checking h2 v0.2.6
[INFO] [stderr]     Checking tokio-rustls v0.14.1
[INFO] [stderr]    Compiling cargo-lock v4.0.1
[INFO] [stderr]    Compiling built v0.4.3
[INFO] [stderr]    Compiling tokio-nsq v0.11.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Checking hyper v0.13.7
[INFO] [stderr]  Documenting tokio-nsq v0.11.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 39.28s
[INFO] running `Command { std: "docker" "inspect" "b8c8efdb595873fc7390a6a50b68c0358d35cfbdca51532057c624427d8fd908", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b8c8efdb595873fc7390a6a50b68c0358d35cfbdca51532057c624427d8fd908", kill_on_drop: false }`
[INFO] [stdout] b8c8efdb595873fc7390a6a50b68c0358d35cfbdca51532057c624427d8fd908