[INFO] fetching crate nfc-sys 0.1.5...
[INFO] documenting nfc-sys-0.1.5 against 1.46.0 for beta-1.47-rustdoc-1
[INFO] extracting crate nfc-sys 0.1.5 into /workspace/builds/worker-3/source
[INFO] validating manifest of crates.io crate nfc-sys 0.1.5 on toolchain 1.46.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.46.0" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate nfc-sys 0.1.5
[INFO] finished tweaking crates.io crate nfc-sys 0.1.5
[INFO] tweaked toml for crates.io crate nfc-sys 0.1.5 written to /workspace/builds/worker-3/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.46.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.46.0" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[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" "+1.46.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 68c397a12a21e70a318fe026b3e266691526a83c58211a5afd4c9694387dfdc4
[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" "68c397a12a21e70a318fe026b3e266691526a83c58211a5afd4c9694387dfdc4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "68c397a12a21e70a318fe026b3e266691526a83c58211a5afd4c9694387dfdc4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "68c397a12a21e70a318fe026b3e266691526a83c58211a5afd4c9694387dfdc4", kill_on_drop: false }`
[INFO] [stdout] 68c397a12a21e70a318fe026b3e266691526a83c58211a5afd4c9694387dfdc4
[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" "+1.46.0" "doc" "--frozen" "--no-deps" "--document-private-items" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 89f50b7df60fcfdb8b9f28ae47735e2a6fea3bc5ed3b8407a9308a15883dcc72
[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" "89f50b7df60fcfdb8b9f28ae47735e2a6fea3bc5ed3b8407a9308a15883dcc72", kill_on_drop: false }`
[INFO] [stderr]  Documenting nfc-sys v0.1.5 (/opt/rustwide/workdir)
[INFO] [stdout] warning: `extern` block uses type `[i8; 1024]`, which is not FFI-safe
[INFO] [stdout]    --> src/lib.rs:335:68
[INFO] [stdout]     |
[INFO] [stdout] 335 |     pub fn nfc_device_new(context: *const nfc_context, connstring: nfc_connstring) -> *mut nfc_device;
[INFO] [stdout]     |                                                                    ^^^^^^^^^^^^^^ not FFI-safe
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(improper_ctypes)]` on by default
[INFO] [stdout]     = help: consider passing a pointer to the array
[INFO] [stdout]     = note: passing raw arrays by value is not FFI-safe
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `extern` block uses type `[i8; 1024]`, which is not FFI-safe
[INFO] [stdout]    --> src/lib.rs:340:42
[INFO] [stdout]     |
[INFO] [stdout] 340 |     pub fn connstring_decode(connstring: nfc_connstring, driver_name: *const ::std::os::raw::c_char, bus_name: *const ::std::os::raw::c_c...
[INFO] [stdout]     |                                          ^^^^^^^^^^^^^^ not FFI-safe
[INFO] [stdout]     |
[INFO] [stdout]     = help: consider passing a pointer to the array
[INFO] [stdout]     = note: passing raw arrays by value is not FFI-safe
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.43s
[INFO] running `Command { std: "docker" "inspect" "89f50b7df60fcfdb8b9f28ae47735e2a6fea3bc5ed3b8407a9308a15883dcc72", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "89f50b7df60fcfdb8b9f28ae47735e2a6fea3bc5ed3b8407a9308a15883dcc72", kill_on_drop: false }`
[INFO] [stdout] 89f50b7df60fcfdb8b9f28ae47735e2a6fea3bc5ed3b8407a9308a15883dcc72