[INFO] crate freefare-sys 0.2.0 is already in cache
[INFO] documenting freefare-sys-0.2.0 against master#394e1b40d264aa6928811919c1124fa248e7d802 for pr-73566
[INFO] extracting crate freefare-sys 0.2.0 into /workspace/builds/worker-11/source
[INFO] validating manifest of crates.io crate freefare-sys 0.2.0 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 freefare-sys 0.2.0
[INFO] finished tweaking crates.io crate freefare-sys 0.2.0
[INFO] tweaked toml for crates.io crate freefare-sys 0.2.0 written to /workspace/builds/worker-11/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] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/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] d5f34a602e32ddf614bb5fc046241304a4d6f6a715ebf4a3936331c82eaa9fc2
[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" "d5f34a602e32ddf614bb5fc046241304a4d6f6a715ebf4a3936331c82eaa9fc2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "d5f34a602e32ddf614bb5fc046241304a4d6f6a715ebf4a3936331c82eaa9fc2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d5f34a602e32ddf614bb5fc046241304a4d6f6a715ebf4a3936331c82eaa9fc2", kill_on_drop: false }`
[INFO] [stdout] d5f34a602e32ddf614bb5fc046241304a4d6f6a715ebf4a3936331c82eaa9fc2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/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] f279694f87ff8b379a8321c3bd98da21193f57791964644f9bf184bc9d7e5d1e
[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" "f279694f87ff8b379a8321c3bd98da21193f57791964644f9bf184bc9d7e5d1e", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.71
[INFO] [stderr]     Checking nfc-sys v0.1.5
[INFO] [stderr]  Documenting freefare-sys v0.2.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: `extern` block uses type `[u8; 4]`, which is not FFI-safe
[INFO] [stdout]    --> src/lib.rs:290:15
[INFO] [stdout]     |
[INFO] [stdout] 290 |         data: MifareUltralightPage,
[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 `[u8; 6]`, which is not FFI-safe
[INFO] [stdout]    --> src/lib.rs:309:14
[INFO] [stdout]     |
[INFO] [stdout] 309 |         key: MifareClassicKey,
[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: `extern` block uses type `[u8; 16]`, which is not FFI-safe
[INFO] [stdout]    --> src/lib.rs:332:15
[INFO] [stdout]     |
[INFO] [stdout] 332 |         data: MifareClassicBlock,
[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: `extern` block uses type `[u8; 6]`, which is not FFI-safe
[INFO] [stdout]    --> src/lib.rs:370:16
[INFO] [stdout]     |
[INFO] [stdout] 370 |         key_a: MifareClassicKey,
[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: `extern` block uses type `[u8; 6]`, which is not FFI-safe
[INFO] [stdout]    --> src/lib.rs:376:16
[INFO] [stdout]     |
[INFO] [stdout] 376 |         key_b: MifareClassicKey,
[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: `extern` block uses type `[u8; 6]`, which is not FFI-safe
[INFO] [stdout]    --> src/lib.rs:393:26
[INFO] [stdout]     |
[INFO] [stdout] 393 |         key_b_sector_00: MifareClassicKey,
[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: `extern` block uses type `[u8; 6]`, which is not FFI-safe
[INFO] [stdout]    --> src/lib.rs:394:26
[INFO] [stdout]     |
[INFO] [stdout] 394 |         key_b_sector_10: MifareClassicKey,
[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: `extern` block uses type `[u8; 6]`, which is not FFI-safe
[INFO] [stdout]    --> src/lib.rs:426:14
[INFO] [stdout]     |
[INFO] [stdout] 426 |         key: MifareClassicKey,
[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: `extern` block uses type `[u8; 6]`, which is not FFI-safe
[INFO] [stdout]    --> src/lib.rs:435:14
[INFO] [stdout]     |
[INFO] [stdout] 435 |         key: MifareClassicKey,
[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: 9 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 3.59s
[INFO] running `Command { std: "docker" "inspect" "f279694f87ff8b379a8321c3bd98da21193f57791964644f9bf184bc9d7e5d1e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f279694f87ff8b379a8321c3bd98da21193f57791964644f9bf184bc9d7e5d1e", kill_on_drop: false }`
[INFO] [stdout] f279694f87ff8b379a8321c3bd98da21193f57791964644f9bf184bc9d7e5d1e