[INFO] crate rex-ucph 0.1.3 is already in cache
[INFO] documenting rex-ucph-0.1.3 against master#394e1b40d264aa6928811919c1124fa248e7d802 for pr-73566
[INFO] extracting crate rex-ucph 0.1.3 into /workspace/builds/worker-14/source
[INFO] validating manifest of crates.io crate rex-ucph 0.1.3 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 rex-ucph 0.1.3
[INFO] finished tweaking crates.io crate rex-ucph 0.1.3
[INFO] tweaked toml for crates.io crate rex-ucph 0.1.3 written to /workspace/builds/worker-14/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] running `Command { std: "/workspace/cargo-home/bin/cargo" "+394e1b40d264aa6928811919c1124fa248e7d802" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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] bcde774f37aa04d8f5272b5286f34480234470332679e776a9ce1732ad2e128e
[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" "bcde774f37aa04d8f5272b5286f34480234470332679e776a9ce1732ad2e128e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "bcde774f37aa04d8f5272b5286f34480234470332679e776a9ce1732ad2e128e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bcde774f37aa04d8f5272b5286f34480234470332679e776a9ce1732ad2e128e", kill_on_drop: false }`
[INFO] [stdout] bcde774f37aa04d8f5272b5286f34480234470332679e776a9ce1732ad2e128e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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] 97a5de9c677f1864f8c8f6492ac4744727e61794fae2fba94efffe5dfffc600e
[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" "97a5de9c677f1864f8c8f6492ac4744727e61794fae2fba94efffe5dfffc600e", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.71
[INFO] [stderr]    Compiling bitflags v1.2.1
[INFO] [stderr]    Compiling nix v0.14.1
[INFO] [stderr]     Checking void v1.0.2
[INFO] [stderr]     Checking cfg-if v0.1.10
[INFO] [stderr]    Compiling libudev-sys v0.1.4
[INFO] [stderr]     Checking libudev v0.2.0
[INFO] [stderr]     Checking serialport v3.3.0
[INFO] [stderr]  Documenting rex-ucph v0.1.3 (/opt/rustwide/workdir)
[INFO] [stdout] warning: `[mm]` cannot be resolved, ignoring it.
[INFO] [stdout]    --> src/lib.rs:179:87
[INFO] [stdout]     |
[INFO] [stdout] 179 |     /// Read the front sonar ping sensor and return the measured range in milimeters [mm]
[INFO] [stdout]     |                                                                                       ^^ cannot be resolved, ignoring
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(intra_doc_link_resolution_failure)]` on by default
[INFO] [stdout]     = help: to escape `[` and `]` characters, just add '\' before them like `\[` or `\]`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `[mm]` cannot be resolved, ignoring it.
[INFO] [stdout]    --> src/lib.rs:184:86
[INFO] [stdout]     |
[INFO] [stdout] 184 |     /// Read the back sonar ping sensor and return the measured range in milimeters [mm]
[INFO] [stdout]     |                                                                                      ^^ cannot be resolved, ignoring
[INFO] [stdout]     |
[INFO] [stdout]     = help: to escape `[` and `]` characters, just add '\' before them like `\[` or `\]`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `[mm]` cannot be resolved, ignoring it.
[INFO] [stdout]    --> src/lib.rs:188:86
[INFO] [stdout]     |
[INFO] [stdout] 188 |     /// Read the left sonar ping sensor and return the measured range in milimeters [mm]
[INFO] [stdout]     |                                                                                      ^^ cannot be resolved, ignoring
[INFO] [stdout]     |
[INFO] [stdout]     = help: to escape `[` and `]` characters, just add '\' before them like `\[` or `\]`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `[mm]` cannot be resolved, ignoring it.
[INFO] [stdout]    --> src/lib.rs:193:87
[INFO] [stdout]     |
[INFO] [stdout] 193 |     /// Read the right sonar ping sensor and return the measured range in milimeters [mm]
[INFO] [stdout]     |                                                                                       ^^ cannot be resolved, ignoring
[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 12.32s
[INFO] running `Command { std: "docker" "inspect" "97a5de9c677f1864f8c8f6492ac4744727e61794fae2fba94efffe5dfffc600e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "97a5de9c677f1864f8c8f6492ac4744727e61794fae2fba94efffe5dfffc600e", kill_on_drop: false }`
[INFO] [stdout] 97a5de9c677f1864f8c8f6492ac4744727e61794fae2fba94efffe5dfffc600e