[INFO] crate netfilter_queue 0.2.1 is already in cache
[INFO] documenting netfilter_queue-0.2.1 against try#66dfc4e010913fbed0c4ea91fc2c010004b0f441 for pr-73566
[INFO] extracting crate netfilter_queue 0.2.1 into /workspace/builds/worker-4/source
[INFO] validating manifest of crates.io crate netfilter_queue 0.2.1 on toolchain 66dfc4e010913fbed0c4ea91fc2c010004b0f441
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+66dfc4e010913fbed0c4ea91fc2c010004b0f441" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate netfilter_queue 0.2.1
[INFO] finished tweaking crates.io crate netfilter_queue 0.2.1
[INFO] tweaked toml for crates.io crate netfilter_queue 0.2.1 written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+66dfc4e010913fbed0c4ea91fc2c010004b0f441" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+66dfc4e010913fbed0c4ea91fc2c010004b0f441" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "+66dfc4e010913fbed0c4ea91fc2c010004b0f441" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] ac883c7eec0da90b0d2d3eef57e6da8292df78fa77bcaaa42a7d0a4eac8dc2c0
[INFO] running `Command { std: "docker" "start" "-a" "ac883c7eec0da90b0d2d3eef57e6da8292df78fa77bcaaa42a7d0a4eac8dc2c0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "ac883c7eec0da90b0d2d3eef57e6da8292df78fa77bcaaa42a7d0a4eac8dc2c0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ac883c7eec0da90b0d2d3eef57e6da8292df78fa77bcaaa42a7d0a4eac8dc2c0", kill_on_drop: false }`
[INFO] [stdout] ac883c7eec0da90b0d2d3eef57e6da8292df78fa77bcaaa42a7d0a4eac8dc2c0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "+66dfc4e010913fbed0c4ea91fc2c010004b0f441" "doc" "--frozen" "--no-deps" "--document-private-items" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] c156fcd2e946c6d7db375aa4f6e07087e6ed4bfcb0b338323d0b43c65e9bdb3c
[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" "c156fcd2e946c6d7db375aa4f6e07087e6ed4bfcb0b338323d0b43c65e9bdb3c", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.71
[INFO] [stderr]     Checking libc v0.1.12
[INFO] [stderr]     Checking lazy_static v0.1.16
[INFO] [stderr]     Checking num-complex v0.1.43
[INFO] [stderr]     Checking rand v0.4.6
[INFO] [stderr]     Checking errno v0.1.8
[INFO] [stderr]     Checking num-bigint v0.1.44
[INFO] [stderr]     Checking num-rational v0.1.42
[INFO] [stderr]     Checking num v0.1.42
[INFO] [stderr]  Documenting netfilter_queue v0.2.1 (/opt/rustwide/workdir)
[INFO] [stdout] error: cannot find attribute `packed` in this scope
[INFO] [stdout]   --> src/ffi.rs:27:3
[INFO] [stdout]    |
[INFO] [stdout] 27 | #[packed]
[INFO] [stdout]    |   ^^^^^^ help: a built-in attribute with a similar name exists: `naked`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: Compilation failed, aborting rustdoc
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 2 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: Could not document `netfilter_queue`.
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustdoc --crate-type lib --crate-name netfilter_queue src/lib.rs -o /opt/rustwide/target/doc --error-format=json --json=diagnostic-rendered-ansi --document-private-items -L dependency=/opt/rustwide/target/debug/deps --extern errno=/opt/rustwide/target/debug/deps/liberrno-ffe2c2ed67830230.rmeta --extern lazy_static=/opt/rustwide/target/debug/deps/liblazy_static-0c2b4636fbe1df6f.rmeta --extern libc=/opt/rustwide/target/debug/deps/liblibc-1d733912ae84104a.rmeta --extern num=/opt/rustwide/target/debug/deps/libnum-550edebdee97ef0a.rmeta --cap-lints=forbid` (exit code: 1)
[INFO] running `Command { std: "docker" "inspect" "c156fcd2e946c6d7db375aa4f6e07087e6ed4bfcb0b338323d0b43c65e9bdb3c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c156fcd2e946c6d7db375aa4f6e07087e6ed4bfcb0b338323d0b43c65e9bdb3c", kill_on_drop: false }`
[INFO] [stdout] c156fcd2e946c6d7db375aa4f6e07087e6ed4bfcb0b338323d0b43c65e9bdb3c