[INFO] fetching crate netfilter_queue 0.2.1...
[INFO] testing netfilter_queue-0.2.1 against 1.55.0 for beta-1.56-1
[INFO] extracting crate netfilter_queue 0.2.1 into /workspace/builds/worker-7/source
[INFO] validating manifest of crates.io crate netfilter_queue 0.2.1 on toolchain 1.55.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", 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-7/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 54db5599a97ce1195927a72b16e71119b2106ab6ae752fddb1912c0d53520b7c
[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" "54db5599a97ce1195927a72b16e71119b2106ab6ae752fddb1912c0d53520b7c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "54db5599a97ce1195927a72b16e71119b2106ab6ae752fddb1912c0d53520b7c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "54db5599a97ce1195927a72b16e71119b2106ab6ae752fddb1912c0d53520b7c", kill_on_drop: false }`
[INFO] [stdout] 54db5599a97ce1195927a72b16e71119b2106ab6ae752fddb1912c0d53520b7c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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" "RUSTFLAGS=--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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 7b27760edfe872f4276d7203e9da85d0593cedf6c2d1b56fabcb4c4b49f73ecb
[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" "7b27760edfe872f4276d7203e9da85d0593cedf6c2d1b56fabcb4c4b49f73ecb", kill_on_drop: false }`
[INFO] [stderr]    Compiling errno v0.1.8
[INFO] [stderr]    Compiling 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] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/error.rs:24:23
[INFO] [stdout]    |
[INFO] [stdout] 24 |     cause: Option<Box<Base>>,
[INFO] [stdout]    |                       ^^^^ help: use `dyn`: `dyn Base`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/error.rs:46:32
[INFO] [stdout]    |
[INFO] [stdout] 46 |     fn cause(&self) -> Option<&Base> {
[INFO] [stdout]    |                                ^^^^ help: use `dyn`: `dyn Base`
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated constant `std::sync::ONCE_INIT`: the `new` function is now preferred
[INFO] [stdout]  --> src/lock.rs:3:1
[INFO] [stdout]   |
[INFO] [stdout] 3 | lazy_static! { pub static ref NFQ_LOCK: Mutex<()> = Mutex::new(()); }
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(deprecated)]` on by default
[INFO] [stdout]   = note: this warning originates in the macro `lazy_static` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated constant `std::sync::ONCE_INIT`: the `new` function is now preferred
[INFO] [stdout]  --> src/lock.rs:3:1
[INFO] [stdout]   |
[INFO] [stdout] 3 | lazy_static! { pub static ref NFQ_LOCK: Mutex<()> = Mutex::new(()); }
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: this warning originates in the macro `lazy_static` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `num::traits::PrimInt`
[INFO] [stdout]  --> src/ffi.rs:4:5
[INFO] [stdout]   |
[INFO] [stdout] 4 | use num::traits::PrimInt;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `num::traits::PrimInt`
[INFO] [stdout]  --> src/message.rs:9:5
[INFO] [stdout]   |
[INFO] [stdout] 9 | use num::traits::PrimInt;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to previous error; 6 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `netfilter_queue` due to 2 previous errors; 6 warnings emitted
[INFO] running `Command { std: "docker" "inspect" "7b27760edfe872f4276d7203e9da85d0593cedf6c2d1b56fabcb4c4b49f73ecb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7b27760edfe872f4276d7203e9da85d0593cedf6c2d1b56fabcb4c4b49f73ecb", kill_on_drop: false }`
[INFO] [stdout] 7b27760edfe872f4276d7203e9da85d0593cedf6c2d1b56fabcb4c4b49f73ecb