[INFO] fetching crate libnetfilter_queue 0.0.3...
[INFO] documenting libnetfilter_queue-0.0.3 against beta-2020-08-29 for beta-1.47-rustdoc-1
[INFO] extracting crate libnetfilter_queue 0.0.3 into /workspace/builds/worker-2/source
[INFO] validating manifest of crates.io crate libnetfilter_queue 0.0.3 on toolchain beta-2020-08-29
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-08-29" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate libnetfilter_queue 0.0.3
[INFO] finished tweaking crates.io crate libnetfilter_queue 0.0.3
[INFO] tweaked toml for crates.io crate libnetfilter_queue 0.0.3 written to /workspace/builds/worker-2/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-08-29" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-08-29" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr] warning: only one of `license` or `license-file` is necessary
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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-2020-08-29" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 310db2c49cb80eba06a4425dd02798bb08d8daf411c1d4c1cb9aed84fffc14b7
[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" "310db2c49cb80eba06a4425dd02798bb08d8daf411c1d4c1cb9aed84fffc14b7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "310db2c49cb80eba06a4425dd02798bb08d8daf411c1d4c1cb9aed84fffc14b7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "310db2c49cb80eba06a4425dd02798bb08d8daf411c1d4c1cb9aed84fffc14b7", kill_on_drop: false }`
[INFO] [stdout] 310db2c49cb80eba06a4425dd02798bb08d8daf411c1d4c1cb9aed84fffc14b7
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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-2020-08-29" "doc" "--frozen" "--no-deps" "--document-private-items" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 5521f2e2dd89cfb8984f92053a491b668e60ffd5844fbd610c573acca6d4c5d1
[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" "5521f2e2dd89cfb8984f92053a491b668e60ffd5844fbd610c573acca6d4c5d1", kill_on_drop: false }`
[INFO] [stderr] warning: only one of `license` or `license-file` is necessary
[INFO] [stderr]     Checking libc v0.1.12
[INFO] [stderr]     Checking num-complex v0.1.43
[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 libnetfilter_queue v0.0.3 (/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 `libnetfilter_queue`.
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustdoc --crate-type lib --crate-name libnetfilter_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 lazy_static=/opt/rustwide/target/debug/deps/liblazy_static-554c840b0ec7dfdd.rmeta --extern libc=/opt/rustwide/target/debug/deps/liblibc-2b2b73145f9d2433.rmeta --extern num=/opt/rustwide/target/debug/deps/libnum-76c2f19b1103e931.rmeta --cap-lints=warn --crate-version 0.0.3` (exit code: 1)
[INFO] running `Command { std: "docker" "inspect" "5521f2e2dd89cfb8984f92053a491b668e60ffd5844fbd610c573acca6d4c5d1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5521f2e2dd89cfb8984f92053a491b668e60ffd5844fbd610c573acca6d4c5d1", kill_on_drop: false }`
[INFO] [stdout] 5521f2e2dd89cfb8984f92053a491b668e60ffd5844fbd610c573acca6d4c5d1