[INFO] fetching crate rex-ucph 0.1.3...
[INFO] documenting rex-ucph-0.1.3 against beta-2020-10-09 for beta-1.48-rustdoc-1
[INFO] extracting crate rex-ucph 0.1.3 into /workspace/builds/worker-5/source
[INFO] validating manifest of crates.io crate rex-ucph 0.1.3 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 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-5/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] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-10-09" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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] 5ebe3f5499f056679337736938b63e1b5d6f204b88e8bb530646579c55f63085
[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" "5ebe3f5499f056679337736938b63e1b5d6f204b88e8bb530646579c55f63085", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "5ebe3f5499f056679337736938b63e1b5d6f204b88e8bb530646579c55f63085", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5ebe3f5499f056679337736938b63e1b5d6f204b88e8bb530646579c55f63085", kill_on_drop: false }`
[INFO] [stdout] 5ebe3f5499f056679337736938b63e1b5d6f204b88e8bb530646579c55f63085
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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] 537756312d5537bfbd5c8d37aa013422568b2b905e9a4665245036b72f005969
[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" "537756312d5537bfbd5c8d37aa013422568b2b905e9a4665245036b72f005969", kill_on_drop: false }`
[INFO] [stderr]     Checking libudev-sys v0.1.4
[INFO] [stderr]     Checking nix v0.14.1
[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: unresolved link to `mm`
[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]     |                                                                                       ^^ the module `rex_ucph` contains no item named `mm`
[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 `mm`
[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]     |                                                                                      ^^ the module `rex_ucph` contains no item named `mm`
[INFO] [stdout]     |
[INFO] [stdout]     = help: to escape `[` and `]` characters, add '\' before them like `\[` or `\]`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unresolved link to `mm`
[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]     |                                                                                      ^^ the module `rex_ucph` contains no item named `mm`
[INFO] [stdout]     |
[INFO] [stdout]     = help: to escape `[` and `]` characters, add '\' before them like `\[` or `\]`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unresolved link to `mm`
[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]     |                                                                                       ^^ the module `rex_ucph` contains no item named `mm`
[INFO] [stdout]     |
[INFO] [stdout]     = help: to escape `[` and `]` characters, 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 8.74s
[INFO] running `Command { std: "docker" "inspect" "537756312d5537bfbd5c8d37aa013422568b2b905e9a4665245036b72f005969", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "537756312d5537bfbd5c8d37aa013422568b2b905e9a4665245036b72f005969", kill_on_drop: false }`
[INFO] [stdout] 537756312d5537bfbd5c8d37aa013422568b2b905e9a4665245036b72f005969
