[INFO] fetching crate rumqtt 0.31.0...
[INFO] documenting rumqtt-0.31.0 against beta-2020-10-09 for beta-1.48-rustdoc-1
[INFO] extracting crate rumqtt 0.31.0 into /workspace/builds/worker-2/source
[INFO] validating manifest of crates.io crate rumqtt 0.31.0 on toolchain beta-2020-10-09
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-10-09" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate rumqtt 0.31.0
[INFO] finished tweaking crates.io crate rumqtt 0.31.0
[INFO] tweaked toml for crates.io crate rumqtt 0.31.0 written to /workspace/builds/worker-2/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-10-09" "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" "+beta-2020-10-09" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded envy v0.3.3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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-2020-10-09" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 755097a4b5177e2b88548a8a68ebb91c1efa5f81133754a6ab42adc3648fd405
[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" "755097a4b5177e2b88548a8a68ebb91c1efa5f81133754a6ab42adc3648fd405", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "755097a4b5177e2b88548a8a68ebb91c1efa5f81133754a6ab42adc3648fd405", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "755097a4b5177e2b88548a8a68ebb91c1efa5f81133754a6ab42adc3648fd405", kill_on_drop: false }`
[INFO] [stdout] 755097a4b5177e2b88548a8a68ebb91c1efa5f81133754a6ab42adc3648fd405
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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-2020-10-09" "doc" "--frozen" "--no-deps" "--document-private-items" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 082c9f821d14e2d3b55fb0f407bc5f7429399204b9d6d576bf09d6a5e8719fc4
[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" "082c9f821d14e2d3b55fb0f407bc5f7429399204b9d6d576bf09d6a5e8719fc4", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Checking untrusted v0.6.2
[INFO] [stderr]    Compiling ring v0.14.6
[INFO] [stderr]     Checking uuid v0.7.4
[INFO] [stderr]    Compiling derive_more v0.13.0
[INFO] [stderr]     Checking tokio v0.1.22
[INFO] [stderr]     Checking sct v0.5.0
[INFO] [stderr]     Checking webpki v0.19.1
[INFO] [stderr]     Checking jsonwebtoken v6.0.1
[INFO] [stderr]     Checking mqtt311 v0.2.0
[INFO] [stderr]     Checking rustls v0.15.2
[INFO] [stderr]     Checking tokio-rustls v0.9.4
[INFO] [stderr]  Documenting rumqtt v0.31.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unresolved link to `mqttclient`
[INFO] [stdout]   --> src/client/mod.rs:81:63
[INFO] [stdout]    |
[INFO] [stdout] 81 |     /// Starts a new mqtt connection in a thread and returns [mqttclient]
[INFO] [stdout]    |                                                               ^^^^^^^^^^ the module `client` contains no item named `mqttclient`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(broken_intra_doc_links)]` on by default
[INFO] [stdout]    = help: to escape `[` and `]` characters, add '\' before them like `\[` or `\]`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unresolved link to `mqttclient`
[INFO] [stdout]   --> src/client/mod.rs:86:10
[INFO] [stdout]    |
[INFO] [stdout] 86 |     /// [mqttclient]: struct.MqttClient.html
[INFO] [stdout]    |          ^^^^^^^^^^ the module `client` contains no item named `mqttclient`
[INFO] [stdout]    |
[INFO] [stdout]    = help: to escape `[` and `]` characters, add '\' before them like `\[` or `\]`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 23.39s
[INFO] running `Command { std: "docker" "inspect" "082c9f821d14e2d3b55fb0f407bc5f7429399204b9d6d576bf09d6a5e8719fc4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "082c9f821d14e2d3b55fb0f407bc5f7429399204b9d6d576bf09d6a5e8719fc4", kill_on_drop: false }`
[INFO] [stdout] 082c9f821d14e2d3b55fb0f407bc5f7429399204b9d6d576bf09d6a5e8719fc4
