[INFO] crate mio-afpacket 0.1.1 is already in cache [INFO] extracting crate mio-afpacket 0.1.1 into work/ex/clippy-test-run/sources/stable/reg/mio-afpacket/0.1.1 [INFO] extracting crate mio-afpacket 0.1.1 into work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/reg/mio-afpacket/0.1.1 [INFO] validating manifest of mio-afpacket-0.1.1 on toolchain stable [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+stable" "read-manifest" "--manifest-path" "Cargo.toml"` [INFO] validating manifest of mio-afpacket-0.1.1 on toolchain stable+rustflags=-Dclippy::into_iter_on_array [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+stable" "read-manifest" "--manifest-path" "Cargo.toml"` [INFO] started frobbing mio-afpacket-0.1.1 [INFO] finished frobbing mio-afpacket-0.1.1 [INFO] frobbed toml for mio-afpacket-0.1.1 written to work/ex/clippy-test-run/sources/stable/reg/mio-afpacket/0.1.1/Cargo.toml [INFO] started frobbing mio-afpacket-0.1.1 [INFO] finished frobbing mio-afpacket-0.1.1 [INFO] frobbed toml for mio-afpacket-0.1.1 written to work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/reg/mio-afpacket/0.1.1/Cargo.toml [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+stable" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"` [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+stable" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"` [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+stable" "fetch" "--locked" "--manifest-path" "Cargo.toml"` [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+stable" "fetch" "--locked" "--manifest-path" "Cargo.toml"` [INFO] linting mio-afpacket-0.1.1 against stable for clippy-test-run [INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/clippy-test-run/worker-7/stable:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/clippy-test-run/sources/stable/reg/mio-afpacket/0.1.1:/opt/crater/workdir:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/opt/crater/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/opt/crater/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/crater/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/crater/cargo-home" "-e" "RUSTUP_HOME=/opt/crater/rustup-home" "-w" "/opt/crater/workdir" "-m" "1536M" "--network" "none" "rustops/crates-build-env" "/opt/crater/cargo-home/bin/cargo" "+stable" "clippy" "--frozen" "--all" "--all-targets"` [INFO] [stdout] 797b41b31150228948651ee6f56356e9450288d0ed47ea170e358e28c173f3a1 [INFO] running `"docker" "start" "-a" "797b41b31150228948651ee6f56356e9450288d0ed47ea170e358e28c173f3a1"` [INFO] [stderr] Checking mio-afpacket v0.1.1 (/opt/crater/workdir) [INFO] [stderr] warning: casting u16 to i32 may become silently lossy if types change [INFO] [stderr] --> src/lib.rs:34:55 [INFO] [stderr] | [INFO] [stderr] 34 | let fd = unsafe { socket(AF_PACKET, SOCK_RAW, (ETH_P_ALL as u16).to_be() as i32) }; [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: try: `i32::from((ETH_P_ALL as u16).to_be())` [INFO] [stderr] | [INFO] [stderr] = note: #[warn(clippy::cast_lossless)] on by default [INFO] [stderr] = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#cast_lossless [INFO] [stderr] [INFO] [stderr] warning: transmute from a reference to a pointer [INFO] [stderr] --> src/lib.rs:64:41 [INFO] [stderr] | [INFO] [stderr] 64 | let sll: *mut sockaddr_ll = std::mem::transmute(&mut ss); [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: try: `&mut ss as *mut libc::sockaddr_storage as *mut libc::sockaddr_ll` [INFO] [stderr] | [INFO] [stderr] = note: #[warn(clippy::useless_transmute)] on by default [INFO] [stderr] = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#useless_transmute [INFO] [stderr] [INFO] [stderr] warning: this if statement can be collapsed [INFO] [stderr] --> src/lib.rs:215:25 [INFO] [stderr] | [INFO] [stderr] 215 | / if event.readiness().is_readable() { [INFO] [stderr] 216 | | if test.read(&mut raw) { [INFO] [stderr] 217 | | return; [INFO] [stderr] 218 | | } [INFO] [stderr] 219 | | } [INFO] [stderr] | |_________________________^ [INFO] [stderr] | [INFO] [stderr] = note: #[warn(clippy::collapsible_if)] on by default [INFO] [stderr] = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#collapsible_if [INFO] [stderr] help: try [INFO] [stderr] | [INFO] [stderr] 215 | if event.readiness().is_readable() && test.read(&mut raw) { [INFO] [stderr] 216 | return; [INFO] [stderr] 217 | } [INFO] [stderr] | [INFO] [stderr] [INFO] [stderr] warning: casting u16 to i32 may become silently lossy if types change [INFO] [stderr] --> src/lib.rs:34:55 [INFO] [stderr] | [INFO] [stderr] 34 | let fd = unsafe { socket(AF_PACKET, SOCK_RAW, (ETH_P_ALL as u16).to_be() as i32) }; [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: try: `i32::from((ETH_P_ALL as u16).to_be())` [INFO] [stderr] | [INFO] [stderr] = note: #[warn(clippy::cast_lossless)] on by default [INFO] [stderr] = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#cast_lossless [INFO] [stderr] [INFO] [stderr] warning: transmute from a reference to a pointer [INFO] [stderr] --> src/lib.rs:64:41 [INFO] [stderr] | [INFO] [stderr] 64 | let sll: *mut sockaddr_ll = std::mem::transmute(&mut ss); [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: try: `&mut ss as *mut libc::sockaddr_storage as *mut libc::sockaddr_ll` [INFO] [stderr] | [INFO] [stderr] = note: #[warn(clippy::useless_transmute)] on by default [INFO] [stderr] = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#useless_transmute [INFO] [stderr] [INFO] [stderr] warning: called `.get().unwrap()` on a HashMap. Using `[]` is more clear and more concise [INFO] [stderr] --> src/lib.rs:226:40 [INFO] [stderr] | [INFO] [stderr] 226 | let mut conn = connections.get(&token).unwrap(); [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: try this: `&connections[&token]` [INFO] [stderr] | [INFO] [stderr] = note: #[warn(clippy::get_unwrap)] on by default [INFO] [stderr] = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#get_unwrap [INFO] [stderr] [INFO] [stderr] error: handle written amount returned or use `Write::write_all` instead [INFO] [stderr] --> src/lib.rs:227:25 [INFO] [stderr] | [INFO] [stderr] 227 | conn.write(MESSAGE).unwrap(); [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: #[deny(clippy::unused_io_amount)] on by default [INFO] [stderr] = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#unused_io_amount [INFO] [stderr] [INFO] [stderr] error: handle written amount returned or use `Write::write_all` instead [INFO] [stderr] --> src/lib.rs:327:17 [INFO] [stderr] | [INFO] [stderr] 327 | raw.write(&buf).unwrap(); [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#unused_io_amount [INFO] [stderr] [INFO] [stderr] error: aborting due to 2 previous errors [INFO] [stderr] [INFO] [stderr] error: Could not compile `mio-afpacket`. [INFO] [stderr] [INFO] [stderr] To learn more, run the command again with --verbose. [INFO] running `"docker" "inspect" "797b41b31150228948651ee6f56356e9450288d0ed47ea170e358e28c173f3a1"` [INFO] running `"docker" "rm" "-f" "797b41b31150228948651ee6f56356e9450288d0ed47ea170e358e28c173f3a1"` [INFO] [stdout] 797b41b31150228948651ee6f56356e9450288d0ed47ea170e358e28c173f3a1