[INFO] crate interfaces 0.0.4 is already in cache
[INFO] extracting crate interfaces 0.0.4 into work/ex/clippy-test-run/sources/stable/reg/interfaces/0.0.4
[INFO] extracting crate interfaces 0.0.4 into work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/reg/interfaces/0.0.4
[INFO] validating manifest of interfaces-0.0.4 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 interfaces-0.0.4 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 interfaces-0.0.4
[INFO] finished frobbing interfaces-0.0.4
[INFO] frobbed toml for interfaces-0.0.4 written to work/ex/clippy-test-run/sources/stable/reg/interfaces/0.0.4/Cargo.toml
[INFO] started frobbing interfaces-0.0.4
[INFO] finished frobbing interfaces-0.0.4
[INFO] frobbed toml for interfaces-0.0.4 written to work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/reg/interfaces/0.0.4/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 interfaces-0.0.4 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/interfaces/0.0.4:/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] 3f6b418321c5bd5879647206454f9375944ea5b42d00471a84b5c42ce747d574
[INFO] running `"docker" "start" "-a" "3f6b418321c5bd5879647206454f9375944ea5b42d00471a84b5c42ce747d574"`
[INFO] [stderr]    Compiling pest v0.3.3
[INFO] [stderr]    Compiling handlebars v0.29.1
[INFO] [stderr]    Compiling interfaces v0.0.4 (/opt/crater/workdir)
[INFO] [stderr] warning: use of deprecated item 'gcc::Build': crate has been renamed to `cc`, the `gcc` name is not maintained
[INFO] [stderr]   --> build.rs:26:19
[INFO] [stderr]    |
[INFO] [stderr] 26 |     let mut cfg = gcc::Build::new();
[INFO] [stderr]    |                   ^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(deprecated)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'gcc::Build::new': crate has been renamed to `cc`, the `gcc` name is not maintained
[INFO] [stderr]   --> build.rs:26:19
[INFO] [stderr]    |
[INFO] [stderr] 26 |     let mut cfg = gcc::Build::new();
[INFO] [stderr]    |                   ^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: redundant field names in struct initialization
[INFO] [stderr] warning: redundant field names in struct initialization
[INFO] [stderr]    --> src/lib.rs:200:13
[INFO] [stderr]     |
[INFO] [stderr] 200 |             ifap: ifap,
[INFO] [stderr]     |             ^^^^^^^^^^ help: replace it with: `ifap`
[INFO] [stderr]    --> src/lib.rs:200:13
[INFO] [stderr]     |
[INFO] [stderr] 200 |             ifap: ifap,
[INFO] [stderr]     |             ^^^^^^^^^^ help: replace it with: `ifap`
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(clippy::redundant_field_names)] on by default
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#redundant_field_names
[INFO] [stderr] 
[INFO] [stderr] warning: redundant field names in struct initialization
[INFO] [stderr]    --> src/lib.rs:348:13
[INFO] [stderr]     |
[INFO] [stderr] 348 |             name: name,
[INFO] [stderr]     |             ^^^^^^^^^^ help: replace it with: `name`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#redundant_field_names
[INFO] [stderr] 
[INFO] [stderr] warning: redundant field names in struct initialization
[INFO] [stderr]    --> src/lib.rs:350:13
[INFO] [stderr]     |
[INFO] [stderr] 350 |             flags: flags,
[INFO] [stderr]     |             ^^^^^^^^^^^^ help: replace it with: `flags`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#redundant_field_names
[INFO] [stderr] 
[INFO] [stderr] warning: redundant field names in struct initialization
[INFO] [stderr]    --> src/lib.rs:351:13
[INFO] [stderr]     |
[INFO] [stderr] 351 |             sock: sock,
[INFO] [stderr]     |             ^^^^^^^^^^ help: replace it with: `sock`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#redundant_field_names
[INFO] [stderr] 
[INFO] [stderr] warning: redundant field names in struct initialization
[INFO] [stderr]    --> src/lib.rs:592:9
[INFO] [stderr]     |
[INFO] [stderr] 592 |         kind: kind,
[INFO] [stderr]     |         ^^^^^^^^^^ help: replace it with: `kind`
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(clippy::redundant_field_names)] on by default
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#redundant_field_names
[INFO] [stderr] 
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#redundant_field_names
[INFO] [stderr] 
[INFO] [stderr] warning: redundant field names in struct initialization
[INFO] [stderr]    --> src/lib.rs:593:9
[INFO] [stderr]     |
[INFO] [stderr] 593 |         addr: addr,
[INFO] [stderr]     |         ^^^^^^^^^^ help: replace it with: `addr`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#redundant_field_names
[INFO] [stderr] 
[INFO] [stderr] warning: redundant field names in struct initialization
[INFO] [stderr]    --> src/lib.rs:594:9
[INFO] [stderr]     |
[INFO] [stderr] 594 |         mask: mask,
[INFO] [stderr]     |         ^^^^^^^^^^ help: replace it with: `mask`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#redundant_field_names
[INFO] [stderr] 
[INFO] [stderr] warning: redundant field names in struct initialization
[INFO] [stderr]    --> src/lib.rs:595:9
[INFO] [stderr]     |
[INFO] [stderr] 595 |         hop: hop,
[INFO] [stderr]     |         ^^^^^^^^ help: replace it with: `hop`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#redundant_field_names
[INFO] [stderr] 
[INFO] [stderr] warning: redundant field names in struct initialization
[INFO] [stderr]    --> src/lib.rs:348:13
[INFO] [stderr]     |
[INFO] [stderr] 348 |             name: name,
[INFO] [stderr]     |             ^^^^^^^^^^ help: replace it with: `name`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#redundant_field_names
[INFO] [stderr] 
[INFO] [stderr] warning: redundant field names in struct initialization
[INFO] [stderr]    --> src/lib.rs:350:13
[INFO] [stderr]     |
[INFO] [stderr] 350 |             flags: flags,
[INFO] [stderr]     |             ^^^^^^^^^^^^ help: replace it with: `flags`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#redundant_field_names
[INFO] [stderr] 
[INFO] [stderr] warning: redundant field names in struct initialization
[INFO] [stderr]    --> src/lib.rs:351:13
[INFO] [stderr]     |
[INFO] [stderr] 351 |             sock: sock,
[INFO] [stderr]     |             ^^^^^^^^^^ help: replace it with: `sock`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#redundant_field_names
[INFO] [stderr] 
[INFO] [stderr] warning: redundant field names in struct initialization
[INFO] [stderr]    --> src/lib.rs:592:9
[INFO] [stderr]     |
[INFO] [stderr] 592 |         kind: kind,
[INFO] [stderr]     |         ^^^^^^^^^^ help: replace it with: `kind`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#redundant_field_names
[INFO] [stderr] 
[INFO] [stderr] warning: redundant field names in struct initialization
[INFO] [stderr]    --> src/lib.rs:593:9
[INFO] [stderr]     |
[INFO] [stderr] 593 |         addr: addr,
[INFO] [stderr]     |         ^^^^^^^^^^ help: replace it with: `addr`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#redundant_field_names
[INFO] [stderr] 
[INFO] [stderr] warning: redundant field names in struct initialization
[INFO] [stderr]    --> src/lib.rs:594:9
[INFO] [stderr]     |
[INFO] [stderr] 594 |         mask: mask,
[INFO] [stderr]     |         ^^^^^^^^^^ help: replace it with: `mask`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#redundant_field_names
[INFO] [stderr] 
[INFO] [stderr] warning: redundant field names in struct initialization
[INFO] [stderr]    --> src/lib.rs:595:9
[INFO] [stderr]     |
[INFO] [stderr] 595 |         hop: hop,
[INFO] [stderr]     |         ^^^^^^^^ help: replace it with: `hop`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#redundant_field_names
[INFO] [stderr] 
[INFO] [stderr] warning: returning the result of a let binding from a block. Consider returning the expression directly.
[INFO] [stderr]   --> src/constants.rs:63:9
[INFO] [stderr]    |
[INFO] [stderr] 63 |         ret
[INFO] [stderr]    |         ^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(clippy::let_and_return)] on by default
[INFO] [stderr] note: this expression can be directly returned
[INFO] [stderr]   --> src/constants.rs:53:19
[INFO] [stderr]    |
[INFO] [stderr] 53 |           let ret = cvals
[INFO] [stderr]    |  ___________________^
[INFO] [stderr] 54 | |             .into_iter()
[INFO] [stderr] 55 | |             .map(|v| {
[INFO] [stderr] 56 | |                 // HashMap has a from_iter method that accepts (key, value) tuples.
[INFO] [stderr] ...  |
[INFO] [stderr] 61 | |             })
[INFO] [stderr] 62 | |             .collect::<HashMap<_, _>>();
[INFO] [stderr]    | |_______________________________________^
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#let_and_return
[INFO] [stderr] 
[INFO] [stderr] warning: unneeded return statement
[INFO] [stderr]   --> src/error.rs:24:9
[INFO] [stderr]    |
[INFO] [stderr] 24 |         return InterfacesError::Errno(nix::errno::Errno::last());
[INFO] [stderr]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove `return` as shown: `InterfacesError::Errno(nix::errno::Errno::last())`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(clippy::needless_return)] on by default
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_return
[INFO] [stderr] 
[INFO] [stderr] warning: long literal lacking separators
[INFO] [stderr]   --> src/ffi.rs:73:58
[INFO] [stderr]    |
[INFO] [stderr] 73 |             (net::IpAddr::V4(net::Ipv4Addr::new(((addr & 0x000000FF) >> 0) as u8,
[INFO] [stderr]    |                                                          ^^^^^^^^^^ help: consider: `0x0000_00FF`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(clippy::unreadable_literal)] on by default
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#unreadable_literal
[INFO] [stderr] 
[INFO] [stderr] warning: long literal lacking separators
[INFO] [stderr]   --> src/ffi.rs:74:58
[INFO] [stderr]    |
[INFO] [stderr] 74 |                                                 ((addr & 0x0000FF00) >> 8) as u8,
[INFO] [stderr]    |                                                          ^^^^^^^^^^ help: consider: `0x0000_FF00`
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#unreadable_literal
[INFO] [stderr] 
[INFO] [stderr] warning: long literal lacking separators
[INFO] [stderr]   --> src/ffi.rs:75:58
[INFO] [stderr]    |
[INFO] [stderr] 75 |                                                 ((addr & 0x00FF0000) >> 16) as u8,
[INFO] [stderr]    |                                                          ^^^^^^^^^^ help: consider: `0x00FF_0000`
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#unreadable_literal
[INFO] [stderr] 
[INFO] [stderr] warning: long literal lacking separators
[INFO] [stderr]   --> src/ffi.rs:76:58
[INFO] [stderr]    |
[INFO] [stderr] 76 |                                                 ((addr & 0xFF000000) >> 24) as u8)),
[INFO] [stderr]    |                                                          ^^^^^^^^^^ help: consider: `0xFF00_0000`
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#unreadable_literal
[INFO] [stderr] 
[INFO] [stderr] warning: returning the result of a let binding from a block. Consider returning the expression directly.
[INFO] [stderr]   --> src/constants.rs:63:9
[INFO] [stderr]    |
[INFO] [stderr] 63 |         ret
[INFO] [stderr]    |         ^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(clippy::let_and_return)] on by default
[INFO] [stderr] note: this expression can be directly returned
[INFO] [stderr]   --> src/constants.rs:53:19
[INFO] [stderr]    |
[INFO] [stderr] 53 |           let ret = cvals
[INFO] [stderr]    |  ___________________^
[INFO] [stderr] 54 | |             .into_iter()
[INFO] [stderr] 55 | |             .map(|v| {
[INFO] [stderr] 56 | |                 // HashMap has a from_iter method that accepts (key, value) tuples.
[INFO] [stderr] ...  |
[INFO] [stderr] 61 | |             })
[INFO] [stderr] 62 | |             .collect::<HashMap<_, _>>();
[INFO] [stderr]    | |_______________________________________^
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#let_and_return
[INFO] [stderr] 
[INFO] [stderr] warning: unneeded return statement
[INFO] [stderr]   --> src/error.rs:24:9
[INFO] [stderr]    |
[INFO] [stderr] 24 |         return InterfacesError::Errno(nix::errno::Errno::last());
[INFO] [stderr]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove `return` as shown: `InterfacesError::Errno(nix::errno::Errno::last())`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(clippy::needless_return)] on by default
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_return
[INFO] [stderr] 
[INFO] [stderr] warning: long literal lacking separators
[INFO] [stderr]   --> src/ffi.rs:73:58
[INFO] [stderr]    |
[INFO] [stderr] 73 |             (net::IpAddr::V4(net::Ipv4Addr::new(((addr & 0x000000FF) >> 0) as u8,
[INFO] [stderr]    |                                                          ^^^^^^^^^^ help: consider: `0x0000_00FF`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(clippy::unreadable_literal)] on by default
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#unreadable_literal
[INFO] [stderr] 
[INFO] [stderr] warning: long literal lacking separators
[INFO] [stderr]   --> src/ffi.rs:74:58
[INFO] [stderr]    |
[INFO] [stderr] 74 |                                                 ((addr & 0x0000FF00) >> 8) as u8,
[INFO] [stderr]    |                                                          ^^^^^^^^^^ help: consider: `0x0000_FF00`
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#unreadable_literal
[INFO] [stderr] 
[INFO] [stderr] warning: long literal lacking separators
[INFO] [stderr]   --> src/ffi.rs:75:58
[INFO] [stderr]    |
[INFO] [stderr] 75 |                                                 ((addr & 0x00FF0000) >> 16) as u8,
[INFO] [stderr]    |                                                          ^^^^^^^^^^ help: consider: `0x00FF_0000`
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#unreadable_literal
[INFO] [stderr] 
[INFO] [stderr] warning: long literal lacking separators
[INFO] [stderr]   --> src/ffi.rs:76:58
[INFO] [stderr]    |
[INFO] [stderr] 76 |                                                 ((addr & 0xFF000000) >> 24) as u8)),
[INFO] [stderr]    |                                                          ^^^^^^^^^^ help: consider: `0xFF00_0000`
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#unreadable_literal
[INFO] [stderr] 
[INFO] [stderr] warning: You are using an explicit closure for cloning elements
[INFO] [stderr]   --> src/constants.rs:69:5
[INFO] [stderr]    |
[INFO] [stderr] 69 |     CONSTANTS.get(name.as_ref()).map(|v| *v)
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: Consider calling the dedicated `cloned` method: `CONSTANTS.get(name.as_ref()).cloned()`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(clippy::map_clone)] on by default
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#map_clone
[INFO] [stderr] 
[INFO] [stderr] warning: casting u8 to u16 may become silently lossy if types change
[INFO] [stderr]   --> src/ffi.rs:60:5
[INFO] [stderr]    |
[INFO] [stderr] 60 |     (lo as u16) | ((hi as u16) << 8)
[INFO] [stderr]    |     ^^^^^^^^^^^ help: try: `u16::from(lo)`
[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 u8 to u16 may become silently lossy if types change
[INFO] [stderr]   --> src/ffi.rs:60:20
[INFO] [stderr]    |
[INFO] [stderr] 60 |     (lo as u16) | ((hi as u16) << 8)
[INFO] [stderr]    |                    ^^^^^^^^^^^ help: try: `u16::from(hi)`
[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: Comparing with null is better expressed by the .is_null() method
[INFO] [stderr]   --> src/ffi.rs:64:8
[INFO] [stderr]    |
[INFO] [stderr] 64 |     if sa == ptr::null_mut() {
[INFO] [stderr]    |        ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(clippy::cmp_null)] on by default
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#cmp_null
[INFO] [stderr] 
[INFO] [stderr] warning: casting u16 to i32 may become silently lossy if types change
[INFO] [stderr]   --> src/ffi.rs:68:50
[INFO] [stderr]    |
[INFO] [stderr] 68 |     let (addr, port, flowinfo, scope_id) = match unsafe { *sa }.sa_family as i32 {
[INFO] [stderr]    |                                                  ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: try: `i32::from(unsafe { *sa }.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: transmute from a pointer to a pointer
[INFO] [stderr]   --> src/ffi.rs:70:59
[INFO] [stderr]    |
[INFO] [stderr] 70 |             let sa: *const socket::sockaddr_in = unsafe { mem::transmute(sa) };
[INFO] [stderr]    |                                                           ^^^^^^^^^^^^^^^^^^ help: try: `sa as *const libc::sockaddr_in`
[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] warning: the operation is ineffective. Consider reducing it to `(addr & 0x000000FF)`
[INFO] [stderr]   --> src/ffi.rs:73:49
[INFO] [stderr]    |
[INFO] [stderr] 73 |             (net::IpAddr::V4(net::Ipv4Addr::new(((addr & 0x000000FF) >> 0) as u8,
[INFO] [stderr]    |                                                 ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(clippy::identity_op)] on by default
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#identity_op
[INFO] [stderr] 
[INFO] [stderr] warning: transmute from a pointer to a pointer
[INFO] [stderr]   --> src/ffi.rs:80:60
[INFO] [stderr]    |
[INFO] [stderr] 80 |             let sa: *const socket::sockaddr_in6 = unsafe { mem::transmute(sa) };
[INFO] [stderr]    |                                                            ^^^^^^^^^^^^^^^^^^ help: try: `sa as *const libc::sockaddr_in6`
[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] warning: this argument is passed by reference, but would be more efficient if passed by value
[INFO] [stderr]    --> src/lib.rs:131:22
[INFO] [stderr]     |
[INFO] [stderr] 131 |     pub fn as_string(&self) -> String {
[INFO] [stderr]     |                      ^^^^^ help: consider passing by value instead: `self`
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(clippy::trivially_copy_pass_by_ref)] on by default
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#trivially_copy_pass_by_ref
[INFO] [stderr] 
[INFO] [stderr] warning: this argument is passed by reference, but would be more efficient if passed by value
[INFO] [stderr]    --> src/lib.rs:152:27
[INFO] [stderr]     |
[INFO] [stderr] 152 |     pub fn as_bare_string(&self) -> String {
[INFO] [stderr]     |                           ^^^^^ help: consider passing by value instead: `self`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#trivially_copy_pass_by_ref
[INFO] [stderr] 
[INFO] [stderr] warning: the loop variable `i` is used to index `addr`
[INFO] [stderr]    --> src/lib.rs:395:18
[INFO] [stderr]     |
[INFO] [stderr] 395 |         for i in 0..6 {
[INFO] [stderr]     |                  ^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(clippy::needless_range_loop)] on by default
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_range_loop
[INFO] [stderr] help: consider using an iterator
[INFO] [stderr]     |
[INFO] [stderr] 395 |         for (i, <item>) in addr.iter_mut().enumerate() {
[INFO] [stderr]     |             ^^^^^^^^^^^    ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: it looks like you're manually copying between slices
[INFO] [stderr]    --> src/lib.rs:395:18
[INFO] [stderr]     |
[INFO] [stderr] 395 |         for i in 0..6 {
[INFO] [stderr]     |                  ^^^^ help: try replacing the loop by: `addr[..6].clone_from_slice(&req.ifr_hwaddr.sa_data[..6])`
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(clippy::manual_memcpy)] on by default
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#manual_memcpy
[INFO] [stderr] 
[INFO] [stderr] warning: casting u16 to u32 may become silently lossy if types change
[INFO] [stderr]    --> src/lib.rs:500:57
[INFO] [stderr]     |
[INFO] [stderr] 500 |         self.flags = InterfaceFlags::from_bits_truncate(req.ifr_flags as u32);
[INFO] [stderr]     |                                                         ^^^^^^^^^^^^^^^^^^^^ help: try: `u32::from(req.ifr_flags)`
[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: Comparing with null is better expressed by the .is_null() method
[INFO] [stderr]    --> src/lib.rs:567:19
[INFO] [stderr]     |
[INFO] [stderr] 567 |     let kind = if ifa.ifa_addr != ptr::null_mut() {
[INFO] [stderr]     |                   ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#cmp_null
[INFO] [stderr] 
[INFO] [stderr] warning: casting u16 to i32 may become silently lossy if types change
[INFO] [stderr]    --> src/lib.rs:568:19
[INFO] [stderr]     |
[INFO] [stderr] 568 |         let fam = unsafe { *ifa.ifa_addr }.sa_family as i32;
[INFO] [stderr]     |                   ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: try: `i32::from(unsafe { *ifa.ifa_addr }.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: You are using an explicit closure for cloning elements
[INFO] [stderr]   --> src/constants.rs:69:5
[INFO] [stderr]    |
[INFO] [stderr] 69 |     CONSTANTS.get(name.as_ref()).map(|v| *v)
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: Consider calling the dedicated `cloned` method: `CONSTANTS.get(name.as_ref()).cloned()`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(clippy::map_clone)] on by default
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#map_clone
[INFO] [stderr] 
[INFO] [stderr] warning: casting u8 to u16 may become silently lossy if types change
[INFO] [stderr]   --> src/ffi.rs:60:5
[INFO] [stderr]    |
[INFO] [stderr] 60 |     (lo as u16) | ((hi as u16) << 8)
[INFO] [stderr]    |     ^^^^^^^^^^^ help: try: `u16::from(lo)`
[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 u8 to u16 may become silently lossy if types change
[INFO] [stderr]   --> src/ffi.rs:60:20
[INFO] [stderr]    |
[INFO] [stderr] 60 |     (lo as u16) | ((hi as u16) << 8)
[INFO] [stderr]    |                    ^^^^^^^^^^^ help: try: `u16::from(hi)`
[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: Comparing with null is better expressed by the .is_null() method
[INFO] [stderr]   --> src/ffi.rs:64:8
[INFO] [stderr]    |
[INFO] [stderr] 64 |     if sa == ptr::null_mut() {
[INFO] [stderr]    |        ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(clippy::cmp_null)] on by default
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#cmp_null
[INFO] [stderr] 
[INFO] [stderr] warning: casting u16 to i32 may become silently lossy if types change
[INFO] [stderr]   --> src/ffi.rs:68:50
[INFO] [stderr]    |
[INFO] [stderr] 68 |     let (addr, port, flowinfo, scope_id) = match unsafe { *sa }.sa_family as i32 {
[INFO] [stderr]    |                                                  ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: try: `i32::from(unsafe { *sa }.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: transmute from a pointer to a pointer
[INFO] [stderr]   --> src/ffi.rs:70:59
[INFO] [stderr]    |
[INFO] [stderr] 70 |             let sa: *const socket::sockaddr_in = unsafe { mem::transmute(sa) };
[INFO] [stderr]    |                                                           ^^^^^^^^^^^^^^^^^^ help: try: `sa as *const libc::sockaddr_in`
[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] warning: the operation is ineffective. Consider reducing it to `(addr & 0x000000FF)`
[INFO] [stderr]   --> src/ffi.rs:73:49
[INFO] [stderr]    |
[INFO] [stderr] 73 |             (net::IpAddr::V4(net::Ipv4Addr::new(((addr & 0x000000FF) >> 0) as u8,
[INFO] [stderr]    |                                                 ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(clippy::identity_op)] on by default
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#identity_op
[INFO] [stderr] 
[INFO] [stderr] warning: transmute from a pointer to a pointer
[INFO] [stderr]   --> src/ffi.rs:80:60
[INFO] [stderr]    |
[INFO] [stderr] 80 |             let sa: *const socket::sockaddr_in6 = unsafe { mem::transmute(sa) };
[INFO] [stderr]    |                                                            ^^^^^^^^^^^^^^^^^^ help: try: `sa as *const libc::sockaddr_in6`
[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] warning: this argument is passed by reference, but would be more efficient if passed by value
[INFO] [stderr]    --> src/lib.rs:131:22
[INFO] [stderr]     |
[INFO] [stderr] 131 |     pub fn as_string(&self) -> String {
[INFO] [stderr]     |                      ^^^^^ help: consider passing by value instead: `self`
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(clippy::trivially_copy_pass_by_ref)] on by default
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#trivially_copy_pass_by_ref
[INFO] [stderr] 
[INFO] [stderr] warning: this argument is passed by reference, but would be more efficient if passed by value
[INFO] [stderr]    --> src/lib.rs:152:27
[INFO] [stderr]     |
[INFO] [stderr] 152 |     pub fn as_bare_string(&self) -> String {
[INFO] [stderr]     |                           ^^^^^ help: consider passing by value instead: `self`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#trivially_copy_pass_by_ref
[INFO] [stderr] 
[INFO] [stderr] warning: the loop variable `i` is used to index `addr`
[INFO] [stderr]    --> src/lib.rs:395:18
[INFO] [stderr]     |
[INFO] [stderr] 395 |         for i in 0..6 {
[INFO] [stderr]     |                  ^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(clippy::needless_range_loop)] on by default
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_range_loop
[INFO] [stderr] help: consider using an iterator
[INFO] [stderr]     |
[INFO] [stderr] 395 |         for (i, <item>) in addr.iter_mut().enumerate() {
[INFO] [stderr]     |             ^^^^^^^^^^^    ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: it looks like you're manually copying between slices
[INFO] [stderr]    --> src/lib.rs:395:18
[INFO] [stderr]     |
[INFO] [stderr] 395 |         for i in 0..6 {
[INFO] [stderr]     |                  ^^^^ help: try replacing the loop by: `addr[..6].clone_from_slice(&req.ifr_hwaddr.sa_data[..6])`
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(clippy::manual_memcpy)] on by default
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#manual_memcpy
[INFO] [stderr] 
[INFO] [stderr] warning: casting u16 to u32 may become silently lossy if types change
[INFO] [stderr]    --> src/lib.rs:500:57
[INFO] [stderr]     |
[INFO] [stderr] 500 |         self.flags = InterfaceFlags::from_bits_truncate(req.ifr_flags as u32);
[INFO] [stderr]     |                                                         ^^^^^^^^^^^^^^^^^^^^ help: try: `u32::from(req.ifr_flags)`
[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: Comparing with null is better expressed by the .is_null() method
[INFO] [stderr]    --> src/lib.rs:567:19
[INFO] [stderr]     |
[INFO] [stderr] 567 |     let kind = if ifa.ifa_addr != ptr::null_mut() {
[INFO] [stderr]     |                   ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#cmp_null
[INFO] [stderr] 
[INFO] [stderr] warning: casting u16 to i32 may become silently lossy if types change
[INFO] [stderr]    --> src/lib.rs:568:19
[INFO] [stderr]     |
[INFO] [stderr] 568 |         let fam = unsafe { *ifa.ifa_addr }.sa_family as i32;
[INFO] [stderr]     |                   ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: try: `i32::from(unsafe { *ifa.ifa_addr }.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] error: equal expressions as operands to `==`
[INFO] [stderr]    --> src/lib.rs:636:17
[INFO] [stderr]     |
[INFO] [stderr] 636 |         assert!(ifs[0] == ifs[0]);
[INFO] [stderr]     |                 ^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[deny(clippy::eq_op)] on by default
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#eq_op
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to previous error
[INFO] [stderr] 
[INFO] [stderr] error: Could not compile `interfaces`.
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] warning: Constants have by default a `'static` lifetime
[INFO] [stderr]   --> examples/ifconfig-simple.rs:10:23
[INFO] [stderr]    |
[INFO] [stderr] 10 | const NAME_MAPPINGS: &'static [(flags::InterfaceFlags, &'static str)] = &[
[INFO] [stderr]    |                      -^^^^^^^---------------------------------------- help: consider removing `'static`: `&[(flags::InterfaceFlags, &'static str)]`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(clippy::const_static_lifetime)] on by default
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#const_static_lifetime
[INFO] [stderr] 
[INFO] [stderr] warning: Constants have by default a `'static` lifetime
[INFO] [stderr]   --> examples/ifconfig-simple.rs:10:57
[INFO] [stderr]    |
[INFO] [stderr] 10 | const NAME_MAPPINGS: &'static [(flags::InterfaceFlags, &'static str)] = &[
[INFO] [stderr]    |                                                        -^^^^^^^---- help: consider removing `'static`: `&str`
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#const_static_lifetime
[INFO] [stderr] 
[INFO] [stderr] warning: this `else { if .. }` block can be collapsed
[INFO] [stderr]   --> examples/ifconfig-simple.rs:68:16
[INFO] [stderr]    |
[INFO] [stderr] 68 |           } else {
[INFO] [stderr]    |  ________________^
[INFO] [stderr] 69 | |             if let Ok(addr) = i.hardware_addr() {
[INFO] [stderr] 70 | |                 println!("{}ether {}", full_align, addr);
[INFO] [stderr] 71 | |             }
[INFO] [stderr] 72 | |         }
[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] 68 |         } else if let Ok(addr) = i.hardware_addr() {
[INFO] [stderr] 69 |     println!("{}ether {}", full_align, addr);
[INFO] [stderr] 70 | }
[INFO] [stderr]    |
[INFO] [stderr] 
[INFO] [stderr] warning: you don't need to add `&` to all patterns
[INFO] [stderr]   --> examples/ifconfig-simple.rs:92:5
[INFO] [stderr]    |
[INFO] [stderr] 92 | /     match addr {
[INFO] [stderr] 93 | |         &net::SocketAddr::V4(ref a) => {
[INFO] [stderr] 94 | |             format!("{}", a.ip())
[INFO] [stderr] 95 | |         },
[INFO] [stderr] ...  |
[INFO] [stderr] 98 | |         },
[INFO] [stderr] 99 | |     }
[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] 92 |     match *addr {
[INFO] [stderr] 93 |         net::SocketAddr::V4(ref a) => {
[INFO] [stderr] 94 |             format!("{}", a.ip())
[INFO] [stderr] 95 |         },
[INFO] [stderr] 96 |         net::SocketAddr::V6(ref a) => {
[INFO] [stderr]    |
[INFO] [stderr] 
[INFO] [stderr] error: build failed
[INFO] running `"docker" "inspect" "3f6b418321c5bd5879647206454f9375944ea5b42d00471a84b5c42ce747d574"`
[INFO] running `"docker" "rm" "-f" "3f6b418321c5bd5879647206454f9375944ea5b42d00471a84b5c42ce747d574"`
[INFO] [stdout] 3f6b418321c5bd5879647206454f9375944ea5b42d00471a84b5c42ce747d574