[INFO] fetching crate xdpsock-ffi 0.1.0... [INFO] building xdpsock-ffi-0.1.0 against master#11663cd3bfefef7d34e8f0892c250bf698049392+rustflags=-Dtail-expr-drop-order for pr-134523 [INFO] extracting crate xdpsock-ffi 0.1.0 into /workspace/builds/worker-2-tc1/source [INFO] validating manifest of crates.io crate xdpsock-ffi 0.1.0 on toolchain 11663cd3bfefef7d34e8f0892c250bf698049392 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+11663cd3bfefef7d34e8f0892c250bf698049392" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking crates.io crate xdpsock-ffi 0.1.0 [INFO] finished tweaking crates.io crate xdpsock-ffi 0.1.0 [INFO] tweaked toml for crates.io crate xdpsock-ffi 0.1.0 written to /workspace/builds/worker-2-tc1/source/Cargo.toml [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+11663cd3bfefef7d34e8f0892c250bf698049392" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Updating crates.io index [INFO] [stderr] Locking 23 packages to latest compatible versions [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+11663cd3bfefef7d34e8f0892c250bf698049392" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Downloading crates ... [INFO] [stderr] Downloaded libbpf-sys v0.3.0-2 [INFO] [stderr] Downloaded xdpsock v0.1.0 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/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:f3a9d4ad9d972b27faf3965f35b62e55ba32bbce8f20bc8fe909558a86702fde" "/opt/rustwide/cargo-home/bin/cargo" "+11663cd3bfefef7d34e8f0892c250bf698049392" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] d4a3454392abde5ca004bf5cb92db5c04950725e3ca44e35bd5df622068772e7 [INFO] running `Command { std: "docker" "start" "-a" "d4a3454392abde5ca004bf5cb92db5c04950725e3ca44e35bd5df622068772e7", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "d4a3454392abde5ca004bf5cb92db5c04950725e3ca44e35bd5df622068772e7", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "d4a3454392abde5ca004bf5cb92db5c04950725e3ca44e35bd5df622068772e7", kill_on_drop: false }` [INFO] [stdout] d4a3454392abde5ca004bf5cb92db5c04950725e3ca44e35bd5df622068772e7 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/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=forbid -Dtail-expr-drop-order" "-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" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:f3a9d4ad9d972b27faf3965f35b62e55ba32bbce8f20bc8fe909558a86702fde" "/opt/rustwide/cargo-home/bin/cargo" "+11663cd3bfefef7d34e8f0892c250bf698049392" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 8ad6036a37ea914b1421f1eb011e80579af17f228df9d95bcab9d9ebf4dd92b8 [INFO] running `Command { std: "docker" "start" "-a" "8ad6036a37ea914b1421f1eb011e80579af17f228df9d95bcab9d9ebf4dd92b8", kill_on_drop: false }` [INFO] [stderr] Compiling crossbeam-utils v0.8.21 [INFO] [stderr] Compiling num_cpus v1.16.0 [INFO] [stderr] Compiling errno v0.2.8 [INFO] [stderr] Compiling libbpf-sys v0.3.0-2 [INFO] [stderr] Compiling etherparse v0.9.0 [INFO] [stderr] Compiling core_affinity v0.5.10 [INFO] [stderr] Compiling crossbeam-channel v0.5.14 [INFO] [stderr] Compiling xdpsock v0.1.0 [INFO] [stderr] Compiling xdpsock-ffi v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused imports: `SocketConfig` and `UmemConfig` [INFO] [stdout] --> src/lib.rs:2:25 [INFO] [stdout] | [INFO] [stdout] 2 | socket::{BindFlags, SocketConfig, SocketConfigBuilder, XdpFlags}, [INFO] [stdout] | ^^^^^^^^^^^^ [INFO] [stdout] 3 | umem::{UmemConfig, UmemConfigBuilder}, [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/lib.rs:37:9 [INFO] [stdout] | [INFO] [stdout] 37 | let mut xsk = Xsk2::new(&ifname, 0, umem_config, socket_config, n_tx_frames as usize); [INFO] [stdout] | ----^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_mut)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/lib.rs:81:9 [INFO] [stdout] | [INFO] [stdout] 81 | let mut pkt = unsafe { [INFO] [stdout] | ----^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused return value of `Box::::from_raw` that must be used [INFO] [stdout] --> src/lib.rs:55:9 [INFO] [stdout] | [INFO] [stdout] 55 | Box::from_raw(xsk_ptr); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: call `drop(Box::from_raw(ptr))` if you intend to drop the `Box` [INFO] [stdout] = note: `#[warn(unused_must_use)]` on by default [INFO] [stdout] help: use `let _ = ...` to ignore the resulting value [INFO] [stdout] | [INFO] [stdout] 55 | let _ = Box::from_raw(xsk_ptr); [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 6.04s [INFO] running `Command { std: "docker" "inspect" "8ad6036a37ea914b1421f1eb011e80579af17f228df9d95bcab9d9ebf4dd92b8", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "8ad6036a37ea914b1421f1eb011e80579af17f228df9d95bcab9d9ebf4dd92b8", kill_on_drop: false }` [INFO] [stdout] 8ad6036a37ea914b1421f1eb011e80579af17f228df9d95bcab9d9ebf4dd92b8 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/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=forbid -Dtail-expr-drop-order" "-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" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:f3a9d4ad9d972b27faf3965f35b62e55ba32bbce8f20bc8fe909558a86702fde" "/opt/rustwide/cargo-home/bin/cargo" "+11663cd3bfefef7d34e8f0892c250bf698049392" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 1e17850f597ada90ec2bb225692265ad329a86f8f3cb4135b1a5f95d0a3c5bc8 [INFO] running `Command { std: "docker" "start" "-a" "1e17850f597ada90ec2bb225692265ad329a86f8f3cb4135b1a5f95d0a3c5bc8", kill_on_drop: false }` [INFO] [stderr] Compiling xdpsock-ffi v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused imports: `SocketConfig` and `UmemConfig` [INFO] [stdout] --> src/lib.rs:2:25 [INFO] [stdout] | [INFO] [stdout] 2 | socket::{BindFlags, SocketConfig, SocketConfigBuilder, XdpFlags}, [INFO] [stdout] | ^^^^^^^^^^^^ [INFO] [stdout] 3 | umem::{UmemConfig, UmemConfigBuilder}, [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/lib.rs:37:9 [INFO] [stdout] | [INFO] [stdout] 37 | let mut xsk = Xsk2::new(&ifname, 0, umem_config, socket_config, n_tx_frames as usize); [INFO] [stdout] | ----^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_mut)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/lib.rs:81:9 [INFO] [stdout] | [INFO] [stdout] 81 | let mut pkt = unsafe { [INFO] [stdout] | ----^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused return value of `Box::::from_raw` that must be used [INFO] [stdout] --> src/lib.rs:55:9 [INFO] [stdout] | [INFO] [stdout] 55 | Box::from_raw(xsk_ptr); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: call `drop(Box::from_raw(ptr))` if you intend to drop the `Box` [INFO] [stdout] = note: `#[warn(unused_must_use)]` on by default [INFO] [stdout] help: use `let _ = ...` to ignore the resulting value [INFO] [stdout] | [INFO] [stdout] 55 | let _ = Box::from_raw(xsk_ptr); [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `test` profile [unoptimized + debuginfo] target(s) in 0.17s [INFO] running `Command { std: "docker" "inspect" "1e17850f597ada90ec2bb225692265ad329a86f8f3cb4135b1a5f95d0a3c5bc8", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "1e17850f597ada90ec2bb225692265ad329a86f8f3cb4135b1a5f95d0a3c5bc8", kill_on_drop: false }` [INFO] [stdout] 1e17850f597ada90ec2bb225692265ad329a86f8f3cb4135b1a5f95d0a3c5bc8