[INFO] crate listenfd 0.3.3 is already in cache
[INFO] extracting crate listenfd 0.3.3 into work/ex/clippy-test-run/sources/stable/reg/listenfd/0.3.3
[INFO] extracting crate listenfd 0.3.3 into work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/reg/listenfd/0.3.3
[INFO] validating manifest of listenfd-0.3.3 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 listenfd-0.3.3 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 listenfd-0.3.3
[INFO] finished frobbing listenfd-0.3.3
[INFO] frobbed toml for listenfd-0.3.3 written to work/ex/clippy-test-run/sources/stable/reg/listenfd/0.3.3/Cargo.toml
[INFO] started frobbing listenfd-0.3.3
[INFO] finished frobbing listenfd-0.3.3
[INFO] frobbed toml for listenfd-0.3.3 written to work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/reg/listenfd/0.3.3/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 listenfd-0.3.3 against stable for clippy-test-run
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/clippy-test-run/worker-4/stable:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/clippy-test-run/sources/stable/reg/listenfd/0.3.3:/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] a5ced8bc37b2ed275692c6293ac0fb21900a9cbe77b160c912e3f544ceb2efac
[INFO] running `"docker" "start" "-a" "a5ced8bc37b2ed275692c6293ac0fb21900a9cbe77b160c912e3f544ceb2efac"`
[INFO] [stderr]     Checking listenfd v0.3.3 (/opt/crater/workdir)
[INFO] [stderr] warning: transmute from a reference to a pointer
[INFO] [stderr]   --> src/unix.rs:43:17
[INFO] [stderr]    |
[INFO] [stderr] 43 |                 mem::transmute(&mut ty),
[INFO] [stderr]    |                 ^^^^^^^^^^^^^^^^^^^^^^^ help: try: `&mut ty as *mut i32 as *mut libc::c_void`
[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: casting u16 to i32 may become silently lossy if types change
[INFO] [stderr]   --> src/unix.rs:46:17
[INFO] [stderr]    |
[INFO] [stderr] 46 |             && (sockaddr.sa_family as libc::c_int == sock_fam
[INFO] [stderr]    |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: try: `i32::from(sockaddr.sa_family)`
[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: casting u16 to i32 may become silently lossy if types change
[INFO] [stderr]   --> src/unix.rs:47:21
[INFO] [stderr]    |
[INFO] [stderr] 47 |                 || (sockaddr.sa_family as libc::c_int == libc::AF_INET6
[INFO] [stderr]    |                     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: try: `i32::from(sockaddr.sa_family)`
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#cast_lossless
[INFO] [stderr] 
[INFO] [stderr] warning: item `manager::ListenFd` has a public `len` method but no corresponding `is_empty` method
[INFO] [stderr]    --> src/manager.rs:18:1
[INFO] [stderr]     |
[INFO] [stderr] 18  | / impl ListenFd {
[INFO] [stderr] 19  | |     /// Creates the listenfd manager object from the environment.
[INFO] [stderr] 20  | |     pub fn from_env() -> ListenFd {
[INFO] [stderr] 21  | |         match imp::get_fds() {
[INFO] [stderr] ...   |
[INFO] [stderr] 110 | |     }
[INFO] [stderr] 111 | | }
[INFO] [stderr]     | |_^
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(clippy::len_without_is_empty)] on by default
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#len_without_is_empty
[INFO] [stderr] 
[INFO] [stderr] warning: redundant closure found
[INFO] [stderr]    --> src/manager.rs:100:27
[INFO] [stderr]     |
[INFO] [stderr] 100 |         self.with_fd(idx, |fd| Ok(fd))
[INFO] [stderr]     |                           ^^^^^^^^^^^ help: remove closure as shown: `Ok`
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(clippy::redundant_closure)] on by default
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#redundant_closure
[INFO] [stderr] 
[INFO] [stderr] warning: transmute from a reference to a pointer
[INFO] [stderr]   --> src/unix.rs:43:17
[INFO] [stderr]    |
[INFO] [stderr] 43 |                 mem::transmute(&mut ty),
[INFO] [stderr]    |                 ^^^^^^^^^^^^^^^^^^^^^^^ help: try: `&mut ty as *mut i32 as *mut libc::c_void`
[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: casting u16 to i32 may become silently lossy if types change
[INFO] [stderr]   --> src/unix.rs:46:17
[INFO] [stderr]    |
[INFO] [stderr] 46 |             && (sockaddr.sa_family as libc::c_int == sock_fam
[INFO] [stderr]    |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: try: `i32::from(sockaddr.sa_family)`
[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: casting u16 to i32 may become silently lossy if types change
[INFO] [stderr]   --> src/unix.rs:47:21
[INFO] [stderr]    |
[INFO] [stderr] 47 |                 || (sockaddr.sa_family as libc::c_int == libc::AF_INET6
[INFO] [stderr]    |                     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: try: `i32::from(sockaddr.sa_family)`
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#cast_lossless
[INFO] [stderr] 
[INFO] [stderr] warning: item `manager::ListenFd` has a public `len` method but no corresponding `is_empty` method
[INFO] [stderr]    --> src/manager.rs:18:1
[INFO] [stderr]     |
[INFO] [stderr] 18  | / impl ListenFd {
[INFO] [stderr] 19  | |     /// Creates the listenfd manager object from the environment.
[INFO] [stderr] 20  | |     pub fn from_env() -> ListenFd {
[INFO] [stderr] 21  | |         match imp::get_fds() {
[INFO] [stderr] ...   |
[INFO] [stderr] 110 | |     }
[INFO] [stderr] 111 | | }
[INFO] [stderr]     | |_^
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(clippy::len_without_is_empty)] on by default
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#len_without_is_empty
[INFO] [stderr] 
[INFO] [stderr] warning: redundant closure found
[INFO] [stderr]    --> src/manager.rs:100:27
[INFO] [stderr]     |
[INFO] [stderr] 100 |         self.with_fd(idx, |fd| Ok(fd))
[INFO] [stderr]     |                           ^^^^^^^^^^^ help: remove closure as shown: `Ok`
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(clippy::redundant_closure)] on by default
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#redundant_closure
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.88s
[INFO] running `"docker" "inspect" "a5ced8bc37b2ed275692c6293ac0fb21900a9cbe77b160c912e3f544ceb2efac"`
[INFO] running `"docker" "rm" "-f" "a5ced8bc37b2ed275692c6293ac0fb21900a9cbe77b160c912e3f544ceb2efac"`
[INFO] [stdout] a5ced8bc37b2ed275692c6293ac0fb21900a9cbe77b160c912e3f544ceb2efac