[INFO] crate system_dns 1.0.0 is already in cache
[INFO] extracting crate system_dns 1.0.0 into work/ex/clippy-test-run/sources/stable/reg/system_dns/1.0.0
[INFO] extracting crate system_dns 1.0.0 into work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/reg/system_dns/1.0.0
[INFO] validating manifest of system_dns-1.0.0 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 system_dns-1.0.0 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 system_dns-1.0.0
[INFO] finished frobbing system_dns-1.0.0
[INFO] frobbed toml for system_dns-1.0.0 written to work/ex/clippy-test-run/sources/stable/reg/system_dns/1.0.0/Cargo.toml
[INFO] started frobbing system_dns-1.0.0
[INFO] finished frobbing system_dns-1.0.0
[INFO] frobbed toml for system_dns-1.0.0 written to work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/reg/system_dns/1.0.0/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 system_dns-1.0.0 against stable for clippy-test-run
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/clippy-test-run/worker-5/stable:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/clippy-test-run/sources/stable/reg/system_dns/1.0.0:/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] 0f141cc08ecf8bce53e8e0f0855fad2412fe85ef5532ee41e82bb25d7fe17abf
[INFO] running `"docker" "start" "-a" "0f141cc08ecf8bce53e8e0f0855fad2412fe85ef5532ee41e82bb25d7fe17abf"`
[INFO] [stderr]     Checking system_dns v1.0.0 (/opt/crater/workdir)
[INFO] [stderr] warning: you don't need to add `&` to all patterns
[INFO] [stderr]   --> src/lib.rs:51:5
[INFO] [stderr]    |
[INFO] [stderr] 51 | /     match x {
[INFO] [stderr] 52 | |         &IpAddr::V4(_) => AF_INET,
[INFO] [stderr] 53 | |         &IpAddr::V6(_) => AF_INET6,
[INFO] [stderr] 54 | |     }
[INFO] [stderr]    | |_____^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(clippy::match_ref_pats)] on by default
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#match_ref_pats
[INFO] [stderr] help: instead of prefixing all patterns with `&`, you can dereference the expression
[INFO] [stderr]    |
[INFO] [stderr] 51 |     match *x {
[INFO] [stderr] 52 |         IpAddr::V4(_) => AF_INET,
[INFO] [stderr] 53 |         IpAddr::V6(_) => AF_INET6,
[INFO] [stderr]    |
[INFO] [stderr] 
[INFO] [stderr] warning: transmute from a pointer to a pointer
[INFO] [stderr]    --> src/lib.rs:105:35
[INFO] [stderr]     |
[INFO] [stderr] 105 |         let host: *const c_char = transmute(host.as_bytes().as_ptr());
[INFO] [stderr]     |                                   ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: try: `host.as_bytes().as_ptr() as *const i8`
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(clippy::transmute_ptr_to_ptr)] on by default
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#transmute_ptr_to_ptr
[INFO] [stderr] 
[INFO] [stderr] error: calls to `std::mem::forget` with a value that implements Copy. Forgetting a copy leaves the original intact.
[INFO] [stderr]    --> src/lib.rs:107:9
[INFO] [stderr]     |
[INFO] [stderr] 107 |         forget(hints);
[INFO] [stderr]     |         ^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[deny(clippy::forget_copy)] on by default
[INFO] [stderr] note: argument has type libc::addrinfo
[INFO] [stderr]    --> src/lib.rs:107:16
[INFO] [stderr]     |
[INFO] [stderr] 107 |         forget(hints);
[INFO] [stderr]     |                ^^^^^
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#forget_copy
[INFO] [stderr] 
[INFO] [stderr] error: calls to `std::mem::forget` with a value that implements Copy. Forgetting a copy leaves the original intact.
[INFO] [stderr]    --> src/lib.rs:108:9
[INFO] [stderr]     |
[INFO] [stderr] 108 |         forget(host);
[INFO] [stderr]     |         ^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr] note: argument has type *const i8
[INFO] [stderr]    --> src/lib.rs:108:16
[INFO] [stderr]     |
[INFO] [stderr] 108 |         forget(host);
[INFO] [stderr]     |                ^^^^
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#forget_copy
[INFO] [stderr] 
[INFO] [stderr] error: calls to `std::mem::forget` with a value that implements Copy. Forgetting a copy leaves the original intact.
[INFO] [stderr]    --> src/lib.rs:120:9
[INFO] [stderr]     |
[INFO] [stderr] 120 |         forget(list);
[INFO] [stderr]     |         ^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr] note: argument has type *mut libc::addrinfo
[INFO] [stderr]    --> src/lib.rs:120:16
[INFO] [stderr]     |
[INFO] [stderr] 120 |         forget(list);
[INFO] [stderr]     |                ^^^^
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#forget_copy
[INFO] [stderr] 
[INFO] [stderr] warning: transmute from a pointer to a pointer
[INFO] [stderr]    --> src/lib.rs:140:37
[INFO] [stderr]     |
[INFO] [stderr] 140 |         let tptr: *const sockaddr = transmute(ptr.ai_addr);
[INFO] [stderr]     |                                     ^^^^^^^^^^^^^^^^^^^^^^ help: try: `ptr.ai_addr as *const libc::sockaddr`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#transmute_ptr_to_ptr
[INFO] [stderr] 
[INFO] [stderr] error: calls to `std::mem::forget` with a value that implements Copy. Forgetting a copy leaves the original intact.
[INFO] [stderr]    --> src/lib.rs:143:9
[INFO] [stderr]     |
[INFO] [stderr] 143 |         forget(mutptr);
[INFO] [stderr]     |         ^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr] note: argument has type *mut i8
[INFO] [stderr]    --> src/lib.rs:143:16
[INFO] [stderr]     |
[INFO] [stderr] 143 |         forget(mutptr);
[INFO] [stderr]     |                ^^^^^^
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#forget_copy
[INFO] [stderr] 
[INFO] [stderr] error: calls to `std::mem::forget` with a value that implements Copy. Forgetting a copy leaves the original intact.
[INFO] [stderr]    --> src/lib.rs:144:9
[INFO] [stderr]     |
[INFO] [stderr] 144 |         forget(tptr);
[INFO] [stderr]     |         ^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr] note: argument has type *const libc::sockaddr
[INFO] [stderr]    --> src/lib.rs:144:16
[INFO] [stderr]     |
[INFO] [stderr] 144 |         forget(tptr);
[INFO] [stderr]     |                ^^^^
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#forget_copy
[INFO] [stderr] 
[INFO] [stderr] error: calls to `std::mem::forget` with a reference instead of an owned value. Forgetting a reference does nothing.
[INFO] [stderr]    --> src/lib.rs:146:13
[INFO] [stderr]     |
[INFO] [stderr] 146 |             forget(ptr);
[INFO] [stderr]     |             ^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[deny(clippy::forget_ref)] on by default
[INFO] [stderr] note: argument has type &mut libc::addrinfo
[INFO] [stderr]    --> src/lib.rs:146:20
[INFO] [stderr]     |
[INFO] [stderr] 146 |             forget(ptr);
[INFO] [stderr]     |                    ^^^
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#forget_ref
[INFO] [stderr] 
[INFO] [stderr] warning: you seem to be trying to use match for destructuring a single pattern. Consider using `if let`
[INFO] [stderr]    --> src/lib.rs:152:9
[INFO] [stderr]     |
[INFO] [stderr] 152 | /         match to_ip(&data) {
[INFO] [stderr] 153 | |             Option::Some(ip) => vec.push(ip),
[INFO] [stderr] 154 | |             _ => {}
[INFO] [stderr] 155 | |         };
[INFO] [stderr]     | |_________^ help: try this: `if let Option::Some(ip) = to_ip(&data) { vec.push(ip) }`
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(clippy::single_match)] on by default
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#single_match
[INFO] [stderr] 
[INFO] [stderr] warning: transmute from a pointer type (`*mut libc::addrinfo`) to a reference type (`&mut libc::addrinfo`)
[INFO] [stderr]    --> src/lib.rs:161:19
[INFO] [stderr]     |
[INFO] [stderr] 161 |             ptr = transmute(ptr.ai_next);
[INFO] [stderr]     |                   ^^^^^^^^^^^^^^^^^^^^^^ help: try: `&mut *ptr.ai_next`
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(clippy::transmute_ptr_to_ref)] on by default
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#transmute_ptr_to_ref
[INFO] [stderr] 
[INFO] [stderr] error: calls to `std::mem::forget` with a value that implements Copy. Forgetting a copy leaves the original intact.
[INFO] [stderr]    --> src/lib.rs:165:5
[INFO] [stderr]     |
[INFO] [stderr] 165 |     forget(list);
[INFO] [stderr]     |     ^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr] note: argument has type *mut libc::addrinfo
[INFO] [stderr]    --> src/lib.rs:165:12
[INFO] [stderr]     |
[INFO] [stderr] 165 |     forget(list);
[INFO] [stderr]     |            ^^^^
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#forget_copy
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to 7 previous errors
[INFO] [stderr] 
[INFO] [stderr] error: Could not compile `system_dns`.
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] warning: you don't need to add `&` to all patterns
[INFO] [stderr]   --> src/lib.rs:51:5
[INFO] [stderr]    |
[INFO] [stderr] 51 | /     match x {
[INFO] [stderr] 52 | |         &IpAddr::V4(_) => AF_INET,
[INFO] [stderr] 53 | |         &IpAddr::V6(_) => AF_INET6,
[INFO] [stderr] 54 | |     }
[INFO] [stderr]    | |_____^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(clippy::match_ref_pats)] on by default
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#match_ref_pats
[INFO] [stderr] help: instead of prefixing all patterns with `&`, you can dereference the expression
[INFO] [stderr]    |
[INFO] [stderr] 51 |     match *x {
[INFO] [stderr] 52 |         IpAddr::V4(_) => AF_INET,
[INFO] [stderr] 53 |         IpAddr::V6(_) => AF_INET6,
[INFO] [stderr]    |
[INFO] [stderr] 
[INFO] [stderr] warning: transmute from a pointer to a pointer
[INFO] [stderr]    --> src/lib.rs:105:35
[INFO] [stderr]     |
[INFO] [stderr] 105 |         let host: *const c_char = transmute(host.as_bytes().as_ptr());
[INFO] [stderr]     |                                   ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: try: `host.as_bytes().as_ptr() as *const i8`
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(clippy::transmute_ptr_to_ptr)] on by default
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#transmute_ptr_to_ptr
[INFO] [stderr] 
[INFO] [stderr] error: calls to `std::mem::forget` with a value that implements Copy. Forgetting a copy leaves the original intact.
[INFO] [stderr]    --> src/lib.rs:107:9
[INFO] [stderr]     |
[INFO] [stderr] 107 |         forget(hints);
[INFO] [stderr]     |         ^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[deny(clippy::forget_copy)] on by default
[INFO] [stderr] note: argument has type libc::addrinfo
[INFO] [stderr]    --> src/lib.rs:107:16
[INFO] [stderr]     |
[INFO] [stderr] 107 |         forget(hints);
[INFO] [stderr]     |                ^^^^^
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#forget_copy
[INFO] [stderr] 
[INFO] [stderr] error: calls to `std::mem::forget` with a value that implements Copy. Forgetting a copy leaves the original intact.
[INFO] [stderr]    --> src/lib.rs:108:9
[INFO] [stderr]     |
[INFO] [stderr] 108 |         forget(host);
[INFO] [stderr]     |         ^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr] note: argument has type *const i8
[INFO] [stderr]    --> src/lib.rs:108:16
[INFO] [stderr]     |
[INFO] [stderr] 108 |         forget(host);
[INFO] [stderr]     |                ^^^^
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#forget_copy
[INFO] [stderr] 
[INFO] [stderr] error: calls to `std::mem::forget` with a value that implements Copy. Forgetting a copy leaves the original intact.
[INFO] [stderr]    --> src/lib.rs:120:9
[INFO] [stderr]     |
[INFO] [stderr] 120 |         forget(list);
[INFO] [stderr]     |         ^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr] note: argument has type *mut libc::addrinfo
[INFO] [stderr]    --> src/lib.rs:120:16
[INFO] [stderr]     |
[INFO] [stderr] 120 |         forget(list);
[INFO] [stderr]     |                ^^^^
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#forget_copy
[INFO] [stderr] 
[INFO] [stderr] warning: transmute from a pointer to a pointer
[INFO] [stderr]    --> src/lib.rs:140:37
[INFO] [stderr]     |
[INFO] [stderr] 140 |         let tptr: *const sockaddr = transmute(ptr.ai_addr);
[INFO] [stderr]     |                                     ^^^^^^^^^^^^^^^^^^^^^^ help: try: `ptr.ai_addr as *const libc::sockaddr`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#transmute_ptr_to_ptr
[INFO] [stderr] 
[INFO] [stderr] error: calls to `std::mem::forget` with a value that implements Copy. Forgetting a copy leaves the original intact.
[INFO] [stderr]    --> src/lib.rs:143:9
[INFO] [stderr]     |
[INFO] [stderr] 143 |         forget(mutptr);
[INFO] [stderr]     |         ^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr] note: argument has type *mut i8
[INFO] [stderr]    --> src/lib.rs:143:16
[INFO] [stderr]     |
[INFO] [stderr] 143 |         forget(mutptr);
[INFO] [stderr]     |                ^^^^^^
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#forget_copy
[INFO] [stderr] 
[INFO] [stderr] error: calls to `std::mem::forget` with a value that implements Copy. Forgetting a copy leaves the original intact.
[INFO] [stderr]    --> src/lib.rs:144:9
[INFO] [stderr]     |
[INFO] [stderr] 144 |         forget(tptr);
[INFO] [stderr]     |         ^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr] note: argument has type *const libc::sockaddr
[INFO] [stderr]    --> src/lib.rs:144:16
[INFO] [stderr]     |
[INFO] [stderr] 144 |         forget(tptr);
[INFO] [stderr]     |                ^^^^
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#forget_copy
[INFO] [stderr] 
[INFO] [stderr] error: calls to `std::mem::forget` with a reference instead of an owned value. Forgetting a reference does nothing.
[INFO] [stderr]    --> src/lib.rs:146:13
[INFO] [stderr]     |
[INFO] [stderr] 146 |             forget(ptr);
[INFO] [stderr]     |             ^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[deny(clippy::forget_ref)] on by default
[INFO] [stderr] note: argument has type &mut libc::addrinfo
[INFO] [stderr]    --> src/lib.rs:146:20
[INFO] [stderr]     |
[INFO] [stderr] 146 |             forget(ptr);
[INFO] [stderr]     |                    ^^^
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#forget_ref
[INFO] [stderr] 
[INFO] [stderr] warning: you seem to be trying to use match for destructuring a single pattern. Consider using `if let`
[INFO] [stderr]    --> src/lib.rs:152:9
[INFO] [stderr]     |
[INFO] [stderr] 152 | /         match to_ip(&data) {
[INFO] [stderr] 153 | |             Option::Some(ip) => vec.push(ip),
[INFO] [stderr] 154 | |             _ => {}
[INFO] [stderr] 155 | |         };
[INFO] [stderr]     | |_________^ help: try this: `if let Option::Some(ip) = to_ip(&data) { vec.push(ip) }`
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(clippy::single_match)] on by default
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#single_match
[INFO] [stderr] 
[INFO] [stderr] warning: transmute from a pointer type (`*mut libc::addrinfo`) to a reference type (`&mut libc::addrinfo`)
[INFO] [stderr]    --> src/lib.rs:161:19
[INFO] [stderr]     |
[INFO] [stderr] 161 |             ptr = transmute(ptr.ai_next);
[INFO] [stderr]     |                   ^^^^^^^^^^^^^^^^^^^^^^ help: try: `&mut *ptr.ai_next`
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(clippy::transmute_ptr_to_ref)] on by default
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#transmute_ptr_to_ref
[INFO] [stderr] 
[INFO] [stderr] error: calls to `std::mem::forget` with a value that implements Copy. Forgetting a copy leaves the original intact.
[INFO] [stderr]    --> src/lib.rs:165:5
[INFO] [stderr]     |
[INFO] [stderr] 165 |     forget(list);
[INFO] [stderr]     |     ^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr] note: argument has type *mut libc::addrinfo
[INFO] [stderr]    --> src/lib.rs:165:12
[INFO] [stderr]     |
[INFO] [stderr] 165 |     forget(list);
[INFO] [stderr]     |            ^^^^
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#forget_copy
[INFO] [stderr] 
[INFO] [stderr] warning: length comparison to zero
[INFO] [stderr]    --> src/lib.rs:173:16
[INFO] [stderr]     |
[INFO] [stderr] 173 |             if x.len() == 0 {
[INFO] [stderr]     |                ^^^^^^^^^^^^ help: using `is_empty` is clearer and more explicit: `x.is_empty()`
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(clippy::len_zero)] on by default
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#len_zero
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to 7 previous errors
[INFO] [stderr] 
[INFO] [stderr] error: Could not compile `system_dns`.
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] running `"docker" "inspect" "0f141cc08ecf8bce53e8e0f0855fad2412fe85ef5532ee41e82bb25d7fe17abf"`
[INFO] running `"docker" "rm" "-f" "0f141cc08ecf8bce53e8e0f0855fad2412fe85ef5532ee41e82bb25d7fe17abf"`
[INFO] [stdout] 0f141cc08ecf8bce53e8e0f0855fad2412fe85ef5532ee41e82bb25d7fe17abf