[INFO] crate newt 0.2.2 is already in cache
[INFO] extracting crate newt 0.2.2 into work/ex/clippy-test-run/sources/stable/reg/newt/0.2.2
[INFO] extracting crate newt 0.2.2 into work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/reg/newt/0.2.2
[INFO] validating manifest of newt-0.2.2 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 newt-0.2.2 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 newt-0.2.2
[INFO] finished frobbing newt-0.2.2
[INFO] frobbed toml for newt-0.2.2 written to work/ex/clippy-test-run/sources/stable/reg/newt/0.2.2/Cargo.toml
[INFO] started frobbing newt-0.2.2
[INFO] finished frobbing newt-0.2.2
[INFO] frobbed toml for newt-0.2.2 written to work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/reg/newt/0.2.2/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 newt-0.2.2 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/newt/0.2.2:/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] 2dbe8e49a5295d2563a231b2d041e9969007290d237211e131a9a085f26116ef
[INFO] running `"docker" "start" "-a" "2dbe8e49a5295d2563a231b2d041e9969007290d237211e131a9a085f26116ef"`
[INFO] [stderr]    Compiling newt-sys v0.1.3
[INFO] [stderr]     Checking newt v0.2.2 (/opt/crater/workdir)
[INFO] [stderr] warning: unneeded return statement
[INFO] [stderr]   --> src/intern/funcs.rs:13:5
[INFO] [stderr]    |
[INFO] [stderr] 13 |     return cstr;
[INFO] [stderr]    |     ^^^^^^^^^^^^ help: remove `return` as shown: `cstr`
[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: unneeded unit expression
[INFO] [stderr]   --> src/components/data/mod.rs:15:9
[INFO] [stderr]    |
[INFO] [stderr] 15 |         ()
[INFO] [stderr]    |         ^^ help: remove the final `()`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(clippy::unused_unit)] on by default
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#unused_unit
[INFO] [stderr] 
[INFO] [stderr] warning: unneeded return statement
[INFO] [stderr]   --> src/components/component.rs:58:9
[INFO] [stderr]    |
[INFO] [stderr] 58 |         return false;
[INFO] [stderr]    |         ^^^^^^^^^^^^^ help: remove `return` as shown: `false`
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_return
[INFO] [stderr] 
[INFO] [stderr] warning: unneeded return statement
[INFO] [stderr]   --> src/components/form/exit_reason.rs:17:9
[INFO] [stderr]    |
[INFO] [stderr] 17 |         return false;
[INFO] [stderr]    |         ^^^^^^^^^^^^^ help: remove `return` as shown: `false`
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_return
[INFO] [stderr] 
[INFO] [stderr] warning: unneeded return statement
[INFO] [stderr]   --> src/components/form/exit_reason.rs:26:9
[INFO] [stderr]    |
[INFO] [stderr] 26 |         return false;
[INFO] [stderr]    |         ^^^^^^^^^^^^^ help: remove `return` as shown: `false`
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_return
[INFO] [stderr] 
[INFO] [stderr] warning: unneeded return statement
[INFO] [stderr]   --> src/components/form/exit_reason.rs:35:9
[INFO] [stderr]    |
[INFO] [stderr] 35 |         return true;
[INFO] [stderr]    |         ^^^^^^^^^^^^ help: remove `return` as shown: `true`
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_return
[INFO] [stderr] 
[INFO] [stderr] warning: unneeded return statement
[INFO] [stderr]   --> src/components/form/mod.rs:57:9
[INFO] [stderr]    |
[INFO] [stderr] 57 |         return Ok(());
[INFO] [stderr]    |         ^^^^^^^^^^^^^^ help: remove `return` as shown: `Ok(())`
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_return
[INFO] [stderr] 
[INFO] [stderr] warning: unneeded return statement
[INFO] [stderr]   --> src/components/form/mod.rs:66:9
[INFO] [stderr]    |
[INFO] [stderr] 66 |         return Ok(());
[INFO] [stderr]    |         ^^^^^^^^^^^^^^ help: remove `return` as shown: `Ok(())`
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_return
[INFO] [stderr] 
[INFO] [stderr] warning: unneeded return statement
[INFO] [stderr]    --> src/lib.rs:253:5
[INFO] [stderr]     |
[INFO] [stderr] 253 |     return (cols, rows);
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^ help: remove `return` as shown: `(cols, rows)`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_return
[INFO] [stderr] 
[INFO] [stderr] warning: unneeded return statement
[INFO] [stderr]   --> src/intern/funcs.rs:13:5
[INFO] [stderr]    |
[INFO] [stderr] 13 |     return cstr;
[INFO] [stderr]    |     ^^^^^^^^^^^^ help: remove `return` as shown: `cstr`
[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: unneeded unit expression
[INFO] [stderr]   --> src/components/data/mod.rs:15:9
[INFO] [stderr]    |
[INFO] [stderr] 15 |         ()
[INFO] [stderr]    |         ^^ help: remove the final `()`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(clippy::unused_unit)] on by default
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#unused_unit
[INFO] [stderr] 
[INFO] [stderr] warning: unneeded return statement
[INFO] [stderr]   --> src/components/component.rs:58:9
[INFO] [stderr]    |
[INFO] [stderr] 58 |         return false;
[INFO] [stderr]    |         ^^^^^^^^^^^^^ help: remove `return` as shown: `false`
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_return
[INFO] [stderr] 
[INFO] [stderr] warning: unneeded return statement
[INFO] [stderr]   --> src/components/form/exit_reason.rs:17:9
[INFO] [stderr]    |
[INFO] [stderr] 17 |         return false;
[INFO] [stderr]    |         ^^^^^^^^^^^^^ help: remove `return` as shown: `false`
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_return
[INFO] [stderr] 
[INFO] [stderr] warning: unneeded return statement
[INFO] [stderr]   --> src/components/form/exit_reason.rs:26:9
[INFO] [stderr]    |
[INFO] [stderr] 26 |         return false;
[INFO] [stderr]    |         ^^^^^^^^^^^^^ help: remove `return` as shown: `false`
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_return
[INFO] [stderr] 
[INFO] [stderr] warning: unneeded return statement
[INFO] [stderr]   --> src/components/form/exit_reason.rs:35:9
[INFO] [stderr]    |
[INFO] [stderr] 35 |         return true;
[INFO] [stderr]    |         ^^^^^^^^^^^^ help: remove `return` as shown: `true`
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_return
[INFO] [stderr] 
[INFO] [stderr] warning: unneeded return statement
[INFO] [stderr]   --> src/components/form/mod.rs:57:9
[INFO] [stderr]    |
[INFO] [stderr] 57 |         return Ok(());
[INFO] [stderr]    |         ^^^^^^^^^^^^^^ help: remove `return` as shown: `Ok(())`
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_return
[INFO] [stderr] 
[INFO] [stderr] warning: unneeded return statement
[INFO] [stderr]   --> src/components/form/mod.rs:66:9
[INFO] [stderr]    |
[INFO] [stderr] 66 |         return Ok(());
[INFO] [stderr]    |         ^^^^^^^^^^^^^^ help: remove `return` as shown: `Ok(())`
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_return
[INFO] [stderr] 
[INFO] [stderr] warning: unneeded return statement
[INFO] [stderr]    --> src/lib.rs:253:5
[INFO] [stderr]     |
[INFO] [stderr] 253 |     return (cols, rows);
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^ help: remove `return` as shown: `(cols, rows)`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_return
[INFO] [stderr] 
[INFO] [stderr] warning: you don't need to add `&` to all patterns
[INFO] [stderr]   --> src/components/component.rs:55:9
[INFO] [stderr]    |
[INFO] [stderr] 55 | /         if let &ExitReason::Component(ref component) = other {
[INFO] [stderr] 56 | |             return self.co() == component.co()
[INFO] [stderr] 57 | |         }
[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] 55 |         if let ExitReason::Component(ref component) = *other {
[INFO] [stderr]    |                ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^   ^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: you don't need to add `&` to all patterns
[INFO] [stderr]   --> src/components/form/exit_reason.rs:14:9
[INFO] [stderr]    |
[INFO] [stderr] 14 | /         if let &ExitReason::HotKey(ref hotkey) = self {
[INFO] [stderr] 15 | |             return hotkey == other
[INFO] [stderr] 16 | |         }
[INFO] [stderr]    | |_________^
[INFO] [stderr]    |
[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] 14 |         if let ExitReason::HotKey(ref hotkey) = *self {
[INFO] [stderr]    |                ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^   ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: you don't need to add `&` to all patterns
[INFO] [stderr]   --> src/components/form/exit_reason.rs:23:9
[INFO] [stderr]    |
[INFO] [stderr] 23 | /         if let &ExitReason::Component(ref component) = self {
[INFO] [stderr] 24 | |             return component.co() == other.co();
[INFO] [stderr] 25 | |         }
[INFO] [stderr]    | |_________^
[INFO] [stderr]    |
[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] 23 |         if let ExitReason::Component(ref component) = *self {
[INFO] [stderr]    |                ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^   ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: you don't need to add `&` to all patterns
[INFO] [stderr]   --> src/components/form/exit_reason.rs:32:9
[INFO] [stderr]    |
[INFO] [stderr] 32 | /         if let &ExitReason::FDReady(ref fd) = self {
[INFO] [stderr] 33 | |             return fd == &other.as_raw_fd()
[INFO] [stderr] 34 | |         }
[INFO] [stderr]    | |_________^
[INFO] [stderr]    |
[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] 32 |         if let ExitReason::FDReady(ref fd) = *self {
[INFO] [stderr]    |                ^^^^^^^^^^^^^^^^^^^^^^^^^^^   ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: Comparing with null is better expressed by the .is_null() method
[INFO] [stderr]   --> src/components/listbox.rs:54:12
[INFO] [stderr]    |
[INFO] [stderr] 54 |         if c_data == ptr::null_mut() { return None; }
[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: use of `offset` with a `usize` casted to an `isize`
[INFO] [stderr]    --> src/intern/macros.rs:78:25
[INFO] [stderr]     |
[INFO] [stderr] 78  |                     p = p.offset(std::mem::size_of::<c_void>() as isize);
[INFO] [stderr]     |                         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: try: `p.add(std::mem::size_of::<c_void>())`
[INFO] [stderr]     | 
[INFO] [stderr]    ::: src/components/listbox.rs:100:9
[INFO] [stderr]     |
[INFO] [stderr] 100 |         c_ptr_array_to_boxed_slice!(ptr[D], numitems)
[INFO] [stderr]     |         --------------------------------------------- in this macro invocation
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(clippy::ptr_offset_with_cast)] on by default
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#ptr_offset_with_cast
[INFO] [stderr] 
[INFO] [stderr] warning: manual implementation of an assign operation
[INFO] [stderr]   --> src/components/checkbox_tree.rs:59:17
[INFO] [stderr]    |
[INFO] [stderr] 59 |                 i = i + 1;
[INFO] [stderr]    |                 ^^^^^^^^^ help: replace it with: `i += 1`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(clippy::assign_op_pattern)] on by default
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#assign_op_pattern
[INFO] [stderr] 
[INFO] [stderr] warning: Comparing with null is better expressed by the .is_null() method
[INFO] [stderr]   --> src/components/checkbox_tree.rs:78:12
[INFO] [stderr]    |
[INFO] [stderr] 78 |         if c_data == ptr::null() { return None; }
[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: use of `offset` with a `usize` casted to an `isize`
[INFO] [stderr]   --> src/intern/macros.rs:78:25
[INFO] [stderr]    |
[INFO] [stderr] 78 |                     p = p.offset(std::mem::size_of::<c_void>() as isize);
[INFO] [stderr]    |                         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: try: `p.add(std::mem::size_of::<c_void>())`
[INFO] [stderr]    | 
[INFO] [stderr]   ::: src/components/checkbox_tree.rs:93:9
[INFO] [stderr]    |
[INFO] [stderr] 93 |         c_ptr_array_to_boxed_slice!(ptr[D], numitems)
[INFO] [stderr]    |         --------------------------------------------- in this macro invocation
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#ptr_offset_with_cast
[INFO] [stderr] 
[INFO] [stderr] warning: use of `offset` with a `usize` casted to an `isize`
[INFO] [stderr]    --> src/intern/macros.rs:78:25
[INFO] [stderr]     |
[INFO] [stderr] 78  |                     p = p.offset(std::mem::size_of::<c_void>() as isize);
[INFO] [stderr]     |                         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: try: `p.add(std::mem::size_of::<c_void>())`
[INFO] [stderr]     | 
[INFO] [stderr]    ::: src/components/checkbox_tree.rs:102:9
[INFO] [stderr]     |
[INFO] [stderr] 102 |         c_ptr_array_to_boxed_slice!(ptr[D], numitems)
[INFO] [stderr]     |         --------------------------------------------- in this macro invocation
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#ptr_offset_with_cast
[INFO] [stderr] 
[INFO] [stderr] warning: you don't need to add `&` to all patterns
[INFO] [stderr]   --> src/components/component.rs:55:9
[INFO] [stderr]    |
[INFO] [stderr] 55 | /         if let &ExitReason::Component(ref component) = other {
[INFO] [stderr] 56 | |             return self.co() == component.co()
[INFO] [stderr] 57 | |         }
[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] 55 |         if let ExitReason::Component(ref component) = *other {
[INFO] [stderr]    |                ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^   ^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: you don't need to add `&` to all patterns
[INFO] [stderr]   --> src/components/form/exit_reason.rs:14:9
[INFO] [stderr]    |
[INFO] [stderr] 14 | /         if let &ExitReason::HotKey(ref hotkey) = self {
[INFO] [stderr] 15 | |             return hotkey == other
[INFO] [stderr] 16 | |         }
[INFO] [stderr]    | |_________^
[INFO] [stderr]    |
[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] 14 |         if let ExitReason::HotKey(ref hotkey) = *self {
[INFO] [stderr]    |                ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^   ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: you don't need to add `&` to all patterns
[INFO] [stderr]   --> src/components/form/exit_reason.rs:23:9
[INFO] [stderr]    |
[INFO] [stderr] 23 | /         if let &ExitReason::Component(ref component) = self {
[INFO] [stderr] 24 | |             return component.co() == other.co();
[INFO] [stderr] 25 | |         }
[INFO] [stderr]    | |_________^
[INFO] [stderr]    |
[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] 23 |         if let ExitReason::Component(ref component) = *self {
[INFO] [stderr]    |                ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^   ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: you don't need to add `&` to all patterns
[INFO] [stderr]   --> src/components/form/exit_reason.rs:32:9
[INFO] [stderr]    |
[INFO] [stderr] 32 | /         if let &ExitReason::FDReady(ref fd) = self {
[INFO] [stderr] 33 | |             return fd == &other.as_raw_fd()
[INFO] [stderr] 34 | |         }
[INFO] [stderr]    | |_________^
[INFO] [stderr]    |
[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] 32 |         if let ExitReason::FDReady(ref fd) = *self {
[INFO] [stderr]    |                ^^^^^^^^^^^^^^^^^^^^^^^^^^^   ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: Comparing with null is better expressed by the .is_null() method
[INFO] [stderr]   --> src/components/listbox.rs:54:12
[INFO] [stderr]    |
[INFO] [stderr] 54 |         if c_data == ptr::null_mut() { return None; }
[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: use of `offset` with a `usize` casted to an `isize`
[INFO] [stderr]    --> src/intern/macros.rs:78:25
[INFO] [stderr]     |
[INFO] [stderr] 78  |                     p = p.offset(std::mem::size_of::<c_void>() as isize);
[INFO] [stderr]     |                         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: try: `p.add(std::mem::size_of::<c_void>())`
[INFO] [stderr]     | 
[INFO] [stderr]    ::: src/components/listbox.rs:100:9
[INFO] [stderr]     |
[INFO] [stderr] 100 |         c_ptr_array_to_boxed_slice!(ptr[D], numitems)
[INFO] [stderr]     |         --------------------------------------------- in this macro invocation
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(clippy::ptr_offset_with_cast)] on by default
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#ptr_offset_with_cast
[INFO] [stderr] 
[INFO] [stderr] warning: manual implementation of an assign operation
[INFO] [stderr]   --> src/components/checkbox_tree.rs:59:17
[INFO] [stderr]    |
[INFO] [stderr] 59 |                 i = i + 1;
[INFO] [stderr]    |                 ^^^^^^^^^ help: replace it with: `i += 1`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(clippy::assign_op_pattern)] on by default
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#assign_op_pattern
[INFO] [stderr] 
[INFO] [stderr] warning: Comparing with null is better expressed by the .is_null() method
[INFO] [stderr]   --> src/components/checkbox_tree.rs:78:12
[INFO] [stderr]    |
[INFO] [stderr] 78 |         if c_data == ptr::null() { return None; }
[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: use of `offset` with a `usize` casted to an `isize`
[INFO] [stderr]   --> src/intern/macros.rs:78:25
[INFO] [stderr]    |
[INFO] [stderr] 78 |                     p = p.offset(std::mem::size_of::<c_void>() as isize);
[INFO] [stderr]    |                         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: try: `p.add(std::mem::size_of::<c_void>())`
[INFO] [stderr]    | 
[INFO] [stderr]   ::: src/components/checkbox_tree.rs:93:9
[INFO] [stderr]    |
[INFO] [stderr] 93 |         c_ptr_array_to_boxed_slice!(ptr[D], numitems)
[INFO] [stderr]    |         --------------------------------------------- in this macro invocation
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#ptr_offset_with_cast
[INFO] [stderr] 
[INFO] [stderr] warning: use of `offset` with a `usize` casted to an `isize`
[INFO] [stderr]    --> src/intern/macros.rs:78:25
[INFO] [stderr]     |
[INFO] [stderr] 78  |                     p = p.offset(std::mem::size_of::<c_void>() as isize);
[INFO] [stderr]     |                         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: try: `p.add(std::mem::size_of::<c_void>())`
[INFO] [stderr]     | 
[INFO] [stderr]    ::: src/components/checkbox_tree.rs:102:9
[INFO] [stderr]     |
[INFO] [stderr] 102 |         c_ptr_array_to_boxed_slice!(ptr[D], numitems)
[INFO] [stderr]     |         --------------------------------------------- in this macro invocation
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#ptr_offset_with_cast
[INFO] [stderr] 
[INFO] [stderr] warning: Comparing with null is better expressed by the .is_null() method
[INFO] [stderr]   --> tests/textbox_tests.rs:13:13
[INFO] [stderr]    |
[INFO] [stderr] 13 |     assert!(textbox.co() != 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: Comparing with null is better expressed by the .is_null() method
[INFO] [stderr]   --> tests/textbox_tests.rs:19:13
[INFO] [stderr]    |
[INFO] [stderr] 19 |     assert!(textbox.co() != 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] error: equal expressions as operands to `==`
[INFO] [stderr]   --> tests/textbox_tests.rs:25:13
[INFO] [stderr]    |
[INFO] [stderr] 25 |     assert!(textbox == textbox);
[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 `newt`.
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] warning: Comparing with null is better expressed by the .is_null() method
[INFO] [stderr]   --> tests/scale_tests.rs:13:13
[INFO] [stderr]    |
[INFO] [stderr] 13 |     assert!(scale.co() != 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] error: equal expressions as operands to `==`
[INFO] [stderr]   --> tests/scale_tests.rs:19:13
[INFO] [stderr]    |
[INFO] [stderr] 19 |     assert!(scale == scale);
[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 `newt`.
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] warning: Comparing with null is better expressed by the .is_null() method
[INFO] [stderr]   --> tests/radiobutton_tests.rs:10:13
[INFO] [stderr]    |
[INFO] [stderr] 10 |     assert!(radio.co() != 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] error: equal expressions as operands to `==`
[INFO] [stderr]   --> tests/radiobutton_tests.rs:16:13
[INFO] [stderr]    |
[INFO] [stderr] 16 |     assert!(radio == radio);
[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] warning: The function/method `Some` doesn't need a mutable reference
[INFO] [stderr]   --> tests/radiobutton_tests.rs:35:63
[INFO] [stderr]    |
[INFO] [stderr] 35 |     let mut radio2 = Radiobutton::new(0, 0, "No", false, Some(&mut radio1));
[INFO] [stderr]    |                                                               ^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(clippy::unnecessary_mut_passed)] on by default
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#unnecessary_mut_passed
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to previous error
[INFO] [stderr] 
[INFO] [stderr] error: Could not compile `newt`.
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] warning: Comparing with null is better expressed by the .is_null() method
[INFO] [stderr]   --> tests/form_tests.rs:12:13
[INFO] [stderr]    |
[INFO] [stderr] 12 |     assert!(form.co() != 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] error: equal expressions as operands to `==`
[INFO] [stderr]   --> tests/form_tests.rs:18:13
[INFO] [stderr]    |
[INFO] [stderr] 18 |     assert!(form == form);
[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 `newt`.
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] warning: Comparing with null is better expressed by the .is_null() method
[INFO] [stderr]   --> tests/checkbox_tests.rs:12:13
[INFO] [stderr]    |
[INFO] [stderr] 12 |     assert!(checkbox.co() != 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] error: equal expressions as operands to `==`
[INFO] [stderr]   --> tests/checkbox_tests.rs:18:13
[INFO] [stderr]    |
[INFO] [stderr] 18 |     assert!(checkbox == checkbox);
[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 `newt`.
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] warning: Comparing with null is better expressed by the .is_null() method
[INFO] [stderr]   --> tests/listbox_tests.rs:22:13
[INFO] [stderr]    |
[INFO] [stderr] 22 |     assert!(listbox.co() != 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] error: equal expressions as operands to `==`
[INFO] [stderr]   --> tests/listbox_tests.rs:28:13
[INFO] [stderr]    |
[INFO] [stderr] 28 |     assert!(listbox == listbox);
[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 `newt`.
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] warning: Comparing with null is better expressed by the .is_null() method
[INFO] [stderr]   --> tests/compact_button_tests.rs:10:13
[INFO] [stderr]    |
[INFO] [stderr] 10 |     assert!(button.co() != 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] error: equal expressions as operands to `==`
[INFO] [stderr]   --> tests/compact_button_tests.rs:16:13
[INFO] [stderr]    |
[INFO] [stderr] 16 |     assert!(button == button);
[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 `newt`.
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: build failed
[INFO] running `"docker" "inspect" "2dbe8e49a5295d2563a231b2d041e9969007290d237211e131a9a085f26116ef"`
[INFO] running `"docker" "rm" "-f" "2dbe8e49a5295d2563a231b2d041e9969007290d237211e131a9a085f26116ef"`
[INFO] [stdout] 2dbe8e49a5295d2563a231b2d041e9969007290d237211e131a9a085f26116ef