[INFO] crate paho-mqtt-sys 0.3.0 is already in cache
[INFO] documenting paho-mqtt-sys-0.3.0 against master#394e1b40d264aa6928811919c1124fa248e7d802 for pr-73566
[INFO] extracting crate paho-mqtt-sys 0.3.0 into /workspace/builds/worker-0/source
[INFO] validating manifest of crates.io crate paho-mqtt-sys 0.3.0 on toolchain 394e1b40d264aa6928811919c1124fa248e7d802
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+394e1b40d264aa6928811919c1124fa248e7d802" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate paho-mqtt-sys 0.3.0
[INFO] finished tweaking crates.io crate paho-mqtt-sys 0.3.0
[INFO] tweaked toml for crates.io crate paho-mqtt-sys 0.3.0 written to /workspace/builds/worker-0/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+394e1b40d264aa6928811919c1124fa248e7d802" "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" "+394e1b40d264aa6928811919c1124fa248e7d802" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env@sha256:819119df93c0f5eca3f29186f14981ef29945a311854d7222af07488600a2584" "/opt/rustwide/cargo-home/bin/cargo" "+394e1b40d264aa6928811919c1124fa248e7d802" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 1505d756c20cc524cce7b3e02c949dbda752e8c6cea7fd9f182885b673aa6506
[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" "1505d756c20cc524cce7b3e02c949dbda752e8c6cea7fd9f182885b673aa6506", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "1505d756c20cc524cce7b3e02c949dbda752e8c6cea7fd9f182885b673aa6506", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1505d756c20cc524cce7b3e02c949dbda752e8c6cea7fd9f182885b673aa6506", kill_on_drop: false }`
[INFO] [stdout] 1505d756c20cc524cce7b3e02c949dbda752e8c6cea7fd9f182885b673aa6506
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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" "MAP_USER_ID=0" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env@sha256:819119df93c0f5eca3f29186f14981ef29945a311854d7222af07488600a2584" "/opt/rustwide/cargo-home/bin/cargo" "+394e1b40d264aa6928811919c1124fa248e7d802" "doc" "--frozen" "--no-deps" "--document-private-items" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 7ecab68ef8b302d44b92591bfff95cba8f374f0be261202b1e9a85907735a40c
[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" "7ecab68ef8b302d44b92591bfff95cba8f374f0be261202b1e9a85907735a40c", kill_on_drop: false }`
[INFO] [stderr]    Compiling cmake v0.1.44
[INFO] [stderr]    Compiling paho-mqtt-sys v0.3.0 (/opt/rustwide/workdir)
[INFO] [stderr]  Documenting paho-mqtt-sys v0.3.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: `[n]` cannot be resolved, ignoring it.
[INFO] [stdout]     --> /opt/rustwide/target/debug/build/paho-mqtt-sys-371268591e28a1e3/out/bindings.rs:5225:5
[INFO] [stdout]      |
[INFO] [stdout] 5225 | /     #[doc = " This function attempts to subscribe a client to a list of topics, which may"]
[INFO] [stdout] 5226 | |     #[doc = " contain wildcards (see @ref wildcard). This call also specifies the"]
[INFO] [stdout] 5227 | |     #[doc = " @ref qos requested for each topic (see also MQTTAsync_subscribe())."]
[INFO] [stdout] 5228 | |     #[doc = " @param handle A valid client handle from a successful call to"]
[INFO] [stdout] ...    |
[INFO] [stdout] 5238 | |     #[doc = " An error code is returned if there was a problem registering the"]
[INFO] [stdout] 5239 | |     #[doc = " subscriptions."]
[INFO] [stdout]      | |______________________________^
[INFO] [stdout]      |
[INFO] [stdout]      = note: `#[warn(intra_doc_link_resolution_failure)]` on by default
[INFO] [stdout]      = note: the link appears in this line:
[INFO] [stdout]              
[INFO] [stdout]              values. qos[n] is the requested QoS for topic[n].
[INFO] [stdout]                          ^
[INFO] [stdout]      = help: to escape `[` and `]` characters, just add '\' before them like `\[` or `\]`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `[n]` cannot be resolved, ignoring it.
[INFO] [stdout]     --> /opt/rustwide/target/debug/build/paho-mqtt-sys-371268591e28a1e3/out/bindings.rs:5225:5
[INFO] [stdout]      |
[INFO] [stdout] 5225 | /     #[doc = " This function attempts to subscribe a client to a list of topics, which may"]
[INFO] [stdout] 5226 | |     #[doc = " contain wildcards (see @ref wildcard). This call also specifies the"]
[INFO] [stdout] 5227 | |     #[doc = " @ref qos requested for each topic (see also MQTTAsync_subscribe())."]
[INFO] [stdout] 5228 | |     #[doc = " @param handle A valid client handle from a successful call to"]
[INFO] [stdout] ...    |
[INFO] [stdout] 5238 | |     #[doc = " An error code is returned if there was a problem registering the"]
[INFO] [stdout] 5239 | |     #[doc = " subscriptions."]
[INFO] [stdout]      | |______________________________^
[INFO] [stdout]      |
[INFO] [stdout]      = note: the link appears in this line:
[INFO] [stdout]              
[INFO] [stdout]              values. qos[n] is the requested QoS for topic[n].
[INFO] [stdout]                                                            ^
[INFO] [stdout]      = help: to escape `[` and `]` characters, just add '\' before them like `\[` or `\]`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `[n]` cannot be resolved, ignoring it.
[INFO] [stdout]     --> /opt/rustwide/target/debug/build/paho-mqtt-sys-371268591e28a1e3/out/bindings.rs:1998:1
[INFO] [stdout]      |
[INFO] [stdout] 1998 | / #[doc = " @brief Put the specified data into the persistent store."]
[INFO] [stdout] 1999 | | #[doc = ""]
[INFO] [stdout] 2000 | | #[doc = " @param handle The handle pointer from a successful call to"]
[INFO] [stdout] 2001 | | #[doc = " Persistence_open()."]
[INFO] [stdout] ...    |
[INFO] [stdout] 2009 | | #[doc = " @return Return 0 if the function completes successfully, otherwise return"]
[INFO] [stdout] 2010 | | #[doc = " ::MQTTCLIENT_PERSISTENCE_ERROR."]
[INFO] [stdout]      | |___________________________________________^
[INFO] [stdout]      |
[INFO] [stdout]      = note: the link appears in this line:
[INFO] [stdout]              
[INFO] [stdout]              @param buflens An array of lengths of the data buffers. <i>buflen[n]</i>
[INFO] [stdout]                                                                                ^
[INFO] [stdout]      = help: to escape `[` and `]` characters, just add '\' before them like `\[` or `\]`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `[n]` cannot be resolved, ignoring it.
[INFO] [stdout]     --> /opt/rustwide/target/debug/build/paho-mqtt-sys-371268591e28a1e3/out/bindings.rs:1998:1
[INFO] [stdout]      |
[INFO] [stdout] 1998 | / #[doc = " @brief Put the specified data into the persistent store."]
[INFO] [stdout] 1999 | | #[doc = ""]
[INFO] [stdout] 2000 | | #[doc = " @param handle The handle pointer from a successful call to"]
[INFO] [stdout] 2001 | | #[doc = " Persistence_open()."]
[INFO] [stdout] ...    |
[INFO] [stdout] 2009 | | #[doc = " @return Return 0 if the function completes successfully, otherwise return"]
[INFO] [stdout] 2010 | | #[doc = " ::MQTTCLIENT_PERSISTENCE_ERROR."]
[INFO] [stdout]      | |___________________________________________^
[INFO] [stdout]      |
[INFO] [stdout]      = note: the link appears in this line:
[INFO] [stdout]              
[INFO] [stdout]              gives the length of <i>buffer[n]</i>.
[INFO] [stdout]                                            ^
[INFO] [stdout]      = help: to escape `[` and `]` characters, just add '\' before them like `\[` or `\]`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 4 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 14.26s
[INFO] running `Command { std: "docker" "inspect" "7ecab68ef8b302d44b92591bfff95cba8f374f0be261202b1e9a85907735a40c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7ecab68ef8b302d44b92591bfff95cba8f374f0be261202b1e9a85907735a40c", kill_on_drop: false }`
[INFO] [stdout] 7ecab68ef8b302d44b92591bfff95cba8f374f0be261202b1e9a85907735a40c