[INFO] crate rumble 0.2.1 is already in cache
[INFO] extracting crate rumble 0.2.1 into work/ex/clippy-test-run/sources/stable/reg/rumble/0.2.1
[INFO] extracting crate rumble 0.2.1 into work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/reg/rumble/0.2.1
[INFO] validating manifest of rumble-0.2.1 on toolchain stable
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+stable" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of rumble-0.2.1 on toolchain stable+rustflags=-Dclippy::into_iter_on_array
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+stable" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing rumble-0.2.1
[INFO] finished frobbing rumble-0.2.1
[INFO] frobbed toml for rumble-0.2.1 written to work/ex/clippy-test-run/sources/stable/reg/rumble/0.2.1/Cargo.toml
[INFO] started frobbing rumble-0.2.1
[INFO] finished frobbing rumble-0.2.1
[INFO] frobbed toml for rumble-0.2.1 written to work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/reg/rumble/0.2.1/Cargo.toml
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+stable" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+stable" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+stable" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+stable" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] linting rumble-0.2.1 against stable for clippy-test-run
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/clippy-test-run/worker-3/stable:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/clippy-test-run/sources/stable/reg/rumble/0.2.1:/opt/crater/workdir:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/opt/crater/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/opt/crater/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/crater/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/crater/cargo-home" "-e" "RUSTUP_HOME=/opt/crater/rustup-home" "-w" "/opt/crater/workdir" "-m" "1536M" "--network" "none" "rustops/crates-build-env" "/opt/crater/cargo-home/bin/cargo" "+stable" "clippy" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] 5c78de528e004f758023430e44c31770f559ac973cefeffccc98606314efbd66
[INFO] running `"docker" "start" "-a" "5c78de528e004f758023430e44c31770f559ac973cefeffccc98606314efbd66"`
[INFO] [stderr]     Checking nix v0.9.0
[INFO] [stderr]     Checking nom v3.2.1
[INFO] [stderr]     Checking rumble v0.2.1 (/opt/crater/workdir)
[INFO] [stderr] warning: unneeded return statement
[INFO] [stderr]    --> src/bluez/adapter/peripheral.rs:257:21
[INFO] [stderr]     |
[INFO] [stderr] 257 |                     return Ok(());
[INFO] [stderr]     |                     ^^^^^^^^^^^^^^ help: remove `return` as shown: `Ok(())`
[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 return statement
[INFO] [stderr]    --> src/bluez/adapter/peripheral.rs:260:21
[INFO] [stderr]     |
[INFO] [stderr] 260 |                     return Err(Error::Other("Failed to set notify".to_string()));
[INFO] [stderr]     |                     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove `return` as shown: `Err(Error::Other("Failed to set notify".to_string()))`
[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/bluez/adapter/peripheral.rs:265:17
[INFO] [stderr]     |
[INFO] [stderr] 265 |                 return Err(Error::Other("failed to get characteristic state".to_string()));
[INFO] [stderr]     |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove `return` as shown: `Err(Error::Other("failed to get characteristic state".to_string()))`
[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: this `else { if .. }` block can be collapsed
[INFO] [stderr]    --> src/bluez/adapter/peripheral.rs:241:24
[INFO] [stderr]     |
[INFO] [stderr] 241 |                   } else {
[INFO] [stderr]     |  ________________________^
[INFO] [stderr] 242 | |                     if use_notify {
[INFO] [stderr] 243 | |                         value &= 0xFFFE;
[INFO] [stderr] 244 | |                     } else if use_indicate {
[INFO] [stderr] 245 | |                         value &= 0xFFFD;
[INFO] [stderr] 246 | |                     }
[INFO] [stderr] 247 | |                 }
[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] 241 |                 } else if use_notify {
[INFO] [stderr] 242 |     value &= 0xFFFE;
[INFO] [stderr] 243 | } else if use_indicate {
[INFO] [stderr] 244 |     value &= 0xFFFD;
[INFO] [stderr] 245 | }
[INFO] [stderr]     |
[INFO] [stderr] 
[INFO] [stderr] warning: unneeded return statement
[INFO] [stderr]    --> src/bluez/adapter/peripheral.rs:312:9
[INFO] [stderr]     |
[INFO] [stderr] 312 |         return l.is_ok() && l.unwrap().is_some();
[INFO] [stderr]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove `return` as shown: `l.is_ok() && l.unwrap().is_some()`
[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: operator precedence can trip the unwary
[INFO] [stderr]    --> src/bluez/adapter/mod.rs:446:36
[INFO] [stderr]     |
[INFO] [stderr] 446 | static HCI_GET_DEV_MAGIC: usize = (2u32 << 0i32 + 8i32 + 8i32 + 14i32 |
[INFO] [stderr]     |                                    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: consider parenthesizing your expression: `2u32 << (0i32 + 8i32 + 8i32 + 14i32)`
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(clippy::precedence)] on by default
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#precedence
[INFO] [stderr] 
[INFO] [stderr] warning: operator precedence can trip the unwary
[INFO] [stderr]    --> src/bluez/adapter/mod.rs:447:6
[INFO] [stderr]     |
[INFO] [stderr] 447 |     (b'H' as (i32) << 0i32 + 8i32) as (u32) | (211i32 << 0i32) as (u32)) as (usize) |
[INFO] [stderr]     |      ^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: consider parenthesizing your expression: `b'H' as (i32) << (0i32 + 8i32)`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#precedence
[INFO] [stderr] 
[INFO] [stderr] warning: operator precedence can trip the unwary
[INFO] [stderr]    --> src/bluez/adapter/mod.rs:448:5
[INFO] [stderr]     |
[INFO] [stderr] 448 |     4 /* (sizeof(i32)) */ << 0i32 + 8i32 + 8i32;
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: consider parenthesizing your expression: `4 << (0i32 + 8i32 + 8i32)`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#precedence
[INFO] [stderr] 
[INFO] [stderr] warning: All variants have the same postfix: `Pkt`
[INFO] [stderr]    --> src/bluez/protocol/hci.rs:344:1
[INFO] [stderr]     |
[INFO] [stderr] 344 | / enum_from_primitive! {
[INFO] [stderr] 345 | | #[derive(Debug, PartialEq)]
[INFO] [stderr] 346 | | #[repr(u8)]
[INFO] [stderr] 347 | | enum EventType {
[INFO] [stderr] ...   |
[INFO] [stderr] 351 | | }
[INFO] [stderr] 352 | | }
[INFO] [stderr]     | |_^
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(clippy::enum_variant_names)] on by default
[INFO] [stderr]     = help: remove the postfixes and use full paths to the variants instead of glob imports
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#enum_variant_names
[INFO] [stderr]     = note: this error originates in a macro outside of the current crate (in Nightly builds, run with -Z external-macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: operator precedence can trip the unwary
[INFO] [stderr]   --> src/bluez/constants.rs:87:45
[INFO] [stderr]    |
[INFO] [stderr] 87 | pub static HCI_GET_DEV_LIST_MAGIC: usize = (2u32 << 0i32 + 8i32 + 8i32 + 14i32 |
[INFO] [stderr]    |                                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: consider parenthesizing your expression: `2u32 << (0i32 + 8i32 + 8i32 + 14i32)`
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#precedence
[INFO] [stderr] 
[INFO] [stderr] warning: operator precedence can trip the unwary
[INFO] [stderr]   --> src/bluez/constants.rs:88:6
[INFO] [stderr]    |
[INFO] [stderr] 88 |     (b'H' as (i32) << 0i32 + 8i32) as (u32) | (210i32 << 0i32) as (u32)) as
[INFO] [stderr]    |      ^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: consider parenthesizing your expression: `b'H' as (i32) << (0i32 + 8i32)`
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#precedence
[INFO] [stderr] 
[INFO] [stderr] warning: operator precedence can trip the unwary
[INFO] [stderr]   --> src/bluez/constants.rs:89:15
[INFO] [stderr]    |
[INFO] [stderr] 89 |     (usize) | 4 /* (sizeof(i32)) */ << 0i32 + 8i32 + 8i32;
[INFO] [stderr]    |               ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: consider parenthesizing your expression: `4 << (0i32 + 8i32 + 8i32)`
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#precedence
[INFO] [stderr] 
[INFO] [stderr] warning: unneeded return statement
[INFO] [stderr]    --> src/bluez/adapter/peripheral.rs:257:21
[INFO] [stderr]     |
[INFO] [stderr] 257 |                     return Ok(());
[INFO] [stderr]     |                     ^^^^^^^^^^^^^^ help: remove `return` as shown: `Ok(())`
[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 return statement
[INFO] [stderr]    --> src/bluez/adapter/peripheral.rs:260:21
[INFO] [stderr]     |
[INFO] [stderr] 260 |                     return Err(Error::Other("Failed to set notify".to_string()));
[INFO] [stderr]     |                     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove `return` as shown: `Err(Error::Other("Failed to set notify".to_string()))`
[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/bluez/adapter/peripheral.rs:265:17
[INFO] [stderr]     |
[INFO] [stderr] 265 |                 return Err(Error::Other("failed to get characteristic state".to_string()));
[INFO] [stderr]     |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove `return` as shown: `Err(Error::Other("failed to get characteristic state".to_string()))`
[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: this `else { if .. }` block can be collapsed
[INFO] [stderr]    --> src/bluez/adapter/peripheral.rs:241:24
[INFO] [stderr]     |
[INFO] [stderr] 241 |                   } else {
[INFO] [stderr]     |  ________________________^
[INFO] [stderr] 242 | |                     if use_notify {
[INFO] [stderr] 243 | |                         value &= 0xFFFE;
[INFO] [stderr] 244 | |                     } else if use_indicate {
[INFO] [stderr] 245 | |                         value &= 0xFFFD;
[INFO] [stderr] 246 | |                     }
[INFO] [stderr] 247 | |                 }
[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] 241 |                 } else if use_notify {
[INFO] [stderr] 242 |     value &= 0xFFFE;
[INFO] [stderr] 243 | } else if use_indicate {
[INFO] [stderr] 244 |     value &= 0xFFFD;
[INFO] [stderr] 245 | }
[INFO] [stderr]     |
[INFO] [stderr] 
[INFO] [stderr] warning: unneeded return statement
[INFO] [stderr]    --> src/bluez/adapter/peripheral.rs:312:9
[INFO] [stderr]     |
[INFO] [stderr] 312 |         return l.is_ok() && l.unwrap().is_some();
[INFO] [stderr]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove `return` as shown: `l.is_ok() && l.unwrap().is_some()`
[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: operator precedence can trip the unwary
[INFO] [stderr]    --> src/bluez/adapter/mod.rs:446:36
[INFO] [stderr]     |
[INFO] [stderr] 446 | static HCI_GET_DEV_MAGIC: usize = (2u32 << 0i32 + 8i32 + 8i32 + 14i32 |
[INFO] [stderr]     |                                    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: consider parenthesizing your expression: `2u32 << (0i32 + 8i32 + 8i32 + 14i32)`
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(clippy::precedence)] on by default
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#precedence
[INFO] [stderr] 
[INFO] [stderr] warning: operator precedence can trip the unwary
[INFO] [stderr]    --> src/bluez/adapter/mod.rs:447:6
[INFO] [stderr]     |
[INFO] [stderr] 447 |     (b'H' as (i32) << 0i32 + 8i32) as (u32) | (211i32 << 0i32) as (u32)) as (usize) |
[INFO] [stderr]     |      ^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: consider parenthesizing your expression: `b'H' as (i32) << (0i32 + 8i32)`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#precedence
[INFO] [stderr] 
[INFO] [stderr] warning: operator precedence can trip the unwary
[INFO] [stderr]    --> src/bluez/adapter/mod.rs:448:5
[INFO] [stderr]     |
[INFO] [stderr] 448 |     4 /* (sizeof(i32)) */ << 0i32 + 8i32 + 8i32;
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: consider parenthesizing your expression: `4 << (0i32 + 8i32 + 8i32)`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#precedence
[INFO] [stderr] 
[INFO] [stderr] warning: All variants have the same postfix: `Pkt`
[INFO] [stderr]    --> src/bluez/protocol/hci.rs:344:1
[INFO] [stderr]     |
[INFO] [stderr] 344 | / enum_from_primitive! {
[INFO] [stderr] 345 | | #[derive(Debug, PartialEq)]
[INFO] [stderr] 346 | | #[repr(u8)]
[INFO] [stderr] 347 | | enum EventType {
[INFO] [stderr] ...   |
[INFO] [stderr] 351 | | }
[INFO] [stderr] 352 | | }
[INFO] [stderr]     | |_^
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(clippy::enum_variant_names)] on by default
[INFO] [stderr]     = help: remove the postfixes and use full paths to the variants instead of glob imports
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#enum_variant_names
[INFO] [stderr]     = note: this error originates in a macro outside of the current crate (in Nightly builds, run with -Z external-macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: operator precedence can trip the unwary
[INFO] [stderr]   --> src/bluez/constants.rs:87:45
[INFO] [stderr]    |
[INFO] [stderr] 87 | pub static HCI_GET_DEV_LIST_MAGIC: usize = (2u32 << 0i32 + 8i32 + 8i32 + 14i32 |
[INFO] [stderr]    |                                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: consider parenthesizing your expression: `2u32 << (0i32 + 8i32 + 8i32 + 14i32)`
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#precedence
[INFO] [stderr] 
[INFO] [stderr] warning: operator precedence can trip the unwary
[INFO] [stderr]   --> src/bluez/constants.rs:88:6
[INFO] [stderr]    |
[INFO] [stderr] 88 |     (b'H' as (i32) << 0i32 + 8i32) as (u32) | (210i32 << 0i32) as (u32)) as
[INFO] [stderr]    |      ^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: consider parenthesizing your expression: `b'H' as (i32) << (0i32 + 8i32)`
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#precedence
[INFO] [stderr] 
[INFO] [stderr] warning: operator precedence can trip the unwary
[INFO] [stderr]   --> src/bluez/constants.rs:89:15
[INFO] [stderr]    |
[INFO] [stderr] 89 |     (usize) | 4 /* (sizeof(i32)) */ << 0i32 + 8i32 + 8i32;
[INFO] [stderr]    |               ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: consider parenthesizing your expression: `4 << (0i32 + 8i32 + 8i32)`
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#precedence
[INFO] [stderr] 
[INFO] [stderr] error: casting from `*mut u8` to a more-strictly-aligned pointer (`*mut bluez::manager::HCIDevListReq`)
[INFO] [stderr]   --> src/bluez/manager/mod.rs:67:38
[INFO] [stderr]    |
[INFO] [stderr] 67 |         let dl: *mut HCIDevListReq = buf.as_mut_ptr() as (*mut HCIDevListReq);
[INFO] [stderr]    |                                      ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[deny(clippy::cast_ptr_alignment)] on by default
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#cast_ptr_alignment
[INFO] [stderr] 
[INFO] [stderr] warning: casting u16 to i32 may become silently lossy if types change
[INFO] [stderr]   --> src/bluez/manager/mod.rs:95:48
[INFO] [stderr]    |
[INFO] [stderr] 95 |         unsafe { HciIoctls::hci_dev_down(*ctl, adapter.dev_id as i32)? };
[INFO] [stderr]    |                                                ^^^^^^^^^^^^^^^^^^^^^ help: try: `i32::from(adapter.dev_id)`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(clippy::cast_lossless)] on by default
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#cast_lossless
[INFO] [stderr] 
[INFO] [stderr] warning: casting u16 to i32 may become silently lossy if types change
[INFO] [stderr]    --> src/bluez/manager/mod.rs:103:41
[INFO] [stderr]     |
[INFO] [stderr] 103 |             HciIoctls::hci_dev_up(*ctl, adapter.dev_id as i32)?;
[INFO] [stderr]     |                                         ^^^^^^^^^^^^^^^^^^^^^ help: try: `i32::from(adapter.dev_id)`
[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 don't need to add `&` to all patterns
[INFO] [stderr]   --> src/bluez/adapter/acl_stream.rs:38:9
[INFO] [stderr]    |
[INFO] [stderr] 38 | /         match self {
[INFO] [stderr] 39 | |             &Command(ref data, ref _cb) => write!(f, "Command({:?})", data),
[INFO] [stderr] 40 | |             &Request(ref data, ref cb) => write!(f, "Request({:?}, cb: {})", data, cb.is_some()),
[INFO] [stderr] 41 | |             &Data(ref data) => write!(f, "Data({:?})", data),
[INFO] [stderr] 42 | |         }
[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] 38 |         match *self {
[INFO] [stderr] 39 |             Command(ref data, ref _cb) => write!(f, "Command({:?})", data),
[INFO] [stderr] 40 |             Request(ref data, ref cb) => write!(f, "Request({:?}, cb: {})", data, cb.is_some()),
[INFO] [stderr] 41 |             Data(ref data) => write!(f, "Data({:?})", data),
[INFO] [stderr]    |
[INFO] [stderr] 
[INFO] [stderr] warning: you don't need to add `&` to all patterns
[INFO] [stderr]    --> src/bluez/adapter/acl_stream.rs:132:17
[INFO] [stderr]     |
[INFO] [stderr] 132 | /                 if let &Some(ref f) = handler {
[INFO] [stderr] 133 | |                     f(result);
[INFO] [stderr] 134 | |                 }
[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] 132 |                 if let Some(ref f) = *handler {
[INFO] [stderr]     |                        ^^^^^^^^^^^   ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: you don't need to add `&` to all patterns
[INFO] [stderr]    --> src/bluez/adapter/acl_stream.rs:140:17
[INFO] [stderr]     |
[INFO] [stderr] 140 | /                 if let &Some(ref f) = handler {
[INFO] [stderr] 141 | |                     f(result);
[INFO] [stderr] 142 | |                 }
[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] 140 |                 if let Some(ref f) = *handler {
[INFO] [stderr]     |                        ^^^^^^^^^^^   ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of `unwrap_or` followed by a function call
[INFO] [stderr]   --> src/bluez/adapter/peripheral.rs:86:14
[INFO] [stderr]    |
[INFO] [stderr] 86 |             .unwrap_or("(unknown)".to_string()), connected)
[INFO] [stderr]    |              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: try this: `unwrap_or_else(|| "(unknown)".to_string())`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(clippy::or_fun_call)] on by default
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#or_fun_call
[INFO] [stderr] 
[INFO] [stderr] warning: you don't need to add `&` to all patterns
[INFO] [stderr]    --> src/bluez/adapter/peripheral.rs:137:21
[INFO] [stderr]     |
[INFO] [stderr] 137 | /                     match datum {
[INFO] [stderr] 138 | |                         &LocalName(ref name) => {
[INFO] [stderr] 139 | |                             properties.local_name = Some(name.clone());
[INFO] [stderr] 140 | |                         }
[INFO] [stderr] ...   |
[INFO] [stderr] 149 | |                         }
[INFO] [stderr] 150 | |                     }
[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] 137 |                     match *datum {
[INFO] [stderr] 138 |                         LocalName(ref name) => {
[INFO] [stderr] 139 |                             properties.local_name = Some(name.clone());
[INFO] [stderr] 140 |                         }
[INFO] [stderr] 141 |                         TxPowerLevel(ref power) => {
[INFO] [stderr] 142 |                             properties.tx_power_level = Some(power.clone());
[INFO] [stderr]   ...
[INFO] [stderr] 
[INFO] [stderr] warning: using `clone` on a `Copy` type
[INFO] [stderr]    --> src/bluez/adapter/peripheral.rs:142:62
[INFO] [stderr]     |
[INFO] [stderr] 142 |                             properties.tx_power_level = Some(power.clone());
[INFO] [stderr]     |                                                              ^^^^^^^^^^^^^ help: try dereferencing it: `*power`
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(clippy::clone_on_copy)] on by default
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#clone_on_copy
[INFO] [stderr] 
[INFO] [stderr] warning: using `clone` on a `Copy` type
[INFO] [stderr]    --> src/bluez/adapter/peripheral.rs:157:57
[INFO] [stderr]     |
[INFO] [stderr] 157 |                 self.connection_tx.lock().unwrap().send(info.handle.clone()).unwrap();
[INFO] [stderr]     |                                                         ^^^^^^^^^^^^^^^^^^^ help: try removing the `clone` call: `info.handle`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#clone_on_copy
[INFO] [stderr] 
[INFO] [stderr] warning: using `clone` on a `Copy` type
[INFO] [stderr]    --> src/bluez/adapter/peripheral.rs:160:30
[INFO] [stderr]     |
[INFO] [stderr] 160 |                 let handle = data.handle.clone();
[INFO] [stderr]     |                              ^^^^^^^^^^^^^^^^^^^ help: try removing the `clone` call: `data.handle`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#clone_on_copy
[INFO] [stderr] 
[INFO] [stderr] warning: length comparison to zero
[INFO] [stderr]    --> src/bluez/adapter/peripheral.rs:255:20
[INFO] [stderr]     |
[INFO] [stderr] 255 |                 if data.len() > 0 && data[0] == ATT_OP_WRITE_RESP {
[INFO] [stderr]     |                    ^^^^^^^^^^^^^^ help: using `is_empty` is clearer and more explicit: `!data.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] warning: using `clone` on a `Copy` type
[INFO] [stderr]    --> src/bluez/adapter/peripheral.rs:297:9
[INFO] [stderr]     |
[INFO] [stderr] 297 |         self.address.clone()
[INFO] [stderr]     |         ^^^^^^^^^^^^^^^^^^^^ help: try removing the `clone` call: `self.address`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#clone_on_copy
[INFO] [stderr] 
[INFO] [stderr] warning: casting u8 to u32 may become silently lossy if types change
[INFO] [stderr]    --> src/bluez/adapter/peripheral.rs:335:29
[INFO] [stderr]     |
[INFO] [stderr] 335 |             l2_bdaddr_type: self.c_adapter.adapter.typ.num() as u32,
[INFO] [stderr]     |                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: try: `u32::from(self.c_adapter.adapter.typ.num())`
[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: using `clone` on a `Copy` type
[INFO] [stderr]    --> src/bluez/adapter/peripheral.rs:393:44
[INFO] [stderr]     |
[INFO] [stderr] 393 |                 return Err(Error::TimedOut(timeout.clone()));
[INFO] [stderr]     |                                            ^^^^^^^^^^^^^^^ help: try removing the `clone` call: `timeout`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#clone_on_copy
[INFO] [stderr] 
[INFO] [stderr] warning: called `.get_mut().unwrap()` on a Vec. Using `[]` is more clear and more concise
[INFO] [stderr]    --> src/bluez/adapter/peripheral.rs:471:15
[INFO] [stderr]     |
[INFO] [stderr] 471 |             (*results.get_mut(i).unwrap()).end_handle =
[INFO] [stderr]     |               ^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: try this: `results[i]`
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(clippy::get_unwrap)] on by default
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#get_unwrap
[INFO] [stderr] 
[INFO] [stderr] error: casting from `*mut u8` to a more-strictly-aligned pointer (`*mut bluez::manager::HCIDevListReq`)
[INFO] [stderr]   --> src/bluez/manager/mod.rs:67:38
[INFO] [stderr]    |
[INFO] [stderr] 67 |         let dl: *mut HCIDevListReq = buf.as_mut_ptr() as (*mut HCIDevListReq);
[INFO] [stderr]    |                                      ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[deny(clippy::cast_ptr_alignment)] on by default
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#cast_ptr_alignment
[INFO] [stderr] 
[INFO] [stderr] warning: casting u16 to i32 may become silently lossy if types change
[INFO] [stderr]   --> src/bluez/manager/mod.rs:95:48
[INFO] [stderr]    |
[INFO] [stderr] 95 |         unsafe { HciIoctls::hci_dev_down(*ctl, adapter.dev_id as i32)? };
[INFO] [stderr]    |                                                ^^^^^^^^^^^^^^^^^^^^^ help: try: `i32::from(adapter.dev_id)`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(clippy::cast_lossless)] on by default
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#cast_lossless
[INFO] [stderr] 
[INFO] [stderr] warning: casting u16 to i32 may become silently lossy if types change
[INFO] [stderr]    --> src/bluez/manager/mod.rs:103:41
[INFO] [stderr]     |
[INFO] [stderr] 103 |             HciIoctls::hci_dev_up(*ctl, adapter.dev_id as i32)?;
[INFO] [stderr]     |                                         ^^^^^^^^^^^^^^^^^^^^^ help: try: `i32::from(adapter.dev_id)`
[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: this argument is passed by reference, but would be more efficient if passed by value
[INFO] [stderr]    --> src/bluez/adapter/mod.rs:134:12
[INFO] [stderr]     |
[INFO] [stderr] 134 |     fn num(&self) -> u8 {
[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: you don't need to add `&` to all patterns
[INFO] [stderr]   --> src/bluez/adapter/acl_stream.rs:38:9
[INFO] [stderr]    |
[INFO] [stderr] 38 | /         match self {
[INFO] [stderr] 39 | |             &Command(ref data, ref _cb) => write!(f, "Command({:?})", data),
[INFO] [stderr] 40 | |             &Request(ref data, ref cb) => write!(f, "Request({:?}, cb: {})", data, cb.is_some()),
[INFO] [stderr] 41 | |             &Data(ref data) => write!(f, "Data({:?})", data),
[INFO] [stderr] 42 | |         }
[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] 38 |         match *self {
[INFO] [stderr] 39 |             Command(ref data, ref _cb) => write!(f, "Command({:?})", data),
[INFO] [stderr] 40 |             Request(ref data, ref cb) => write!(f, "Request({:?}, cb: {})", data, cb.is_some()),
[INFO] [stderr] 41 |             Data(ref data) => write!(f, "Data({:?})", data),
[INFO] [stderr]    |
[INFO] [stderr] 
[INFO] [stderr] warning: you don't need to add `&` to all patterns
[INFO] [stderr]    --> src/bluez/adapter/acl_stream.rs:132:17
[INFO] [stderr]     |
[INFO] [stderr] 132 | /                 if let &Some(ref f) = handler {
[INFO] [stderr] 133 | |                     f(result);
[INFO] [stderr] 134 | |                 }
[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] 132 |                 if let Some(ref f) = *handler {
[INFO] [stderr]     |                        ^^^^^^^^^^^   ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: you don't need to add `&` to all patterns
[INFO] [stderr]    --> src/bluez/adapter/acl_stream.rs:140:17
[INFO] [stderr]     |
[INFO] [stderr] 140 | /                 if let &Some(ref f) = handler {
[INFO] [stderr] 141 | |                     f(result);
[INFO] [stderr] 142 | |                 }
[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] 140 |                 if let Some(ref f) = *handler {
[INFO] [stderr]     |                        ^^^^^^^^^^^   ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: using `clone` on a `Copy` type
[INFO] [stderr]    --> src/bluez/adapter/mod.rs:285:21
[INFO] [stderr]     |
[INFO] [stderr] 285 |             handler(event.clone());
[INFO] [stderr]     |                     ^^^^^^^^^^^^^ help: try removing the `clone` call: `event`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#clone_on_copy
[INFO] [stderr] 
[INFO] [stderr] warning: using `clone` on a `Copy` type
[INFO] [stderr]    --> src/bluez/adapter/mod.rs:295:31
[INFO] [stderr]     |
[INFO] [stderr] 295 |                 let address = info.bdaddr.clone();
[INFO] [stderr]     |                               ^^^^^^^^^^^^^^^^^^^ help: try removing the `clone` call: `info.bdaddr`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#clone_on_copy
[INFO] [stderr] 
[INFO] [stderr] warning: using `clone` on a `Copy` type
[INFO] [stderr]    --> src/bluez/adapter/mod.rs:310:62
[INFO] [stderr]     |
[INFO] [stderr] 310 |                     self.emit(CentralEvent::DeviceDiscovered(address.clone()))
[INFO] [stderr]     |                                                              ^^^^^^^^^^^^^^^ help: try removing the `clone` call: `address`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#clone_on_copy
[INFO] [stderr] 
[INFO] [stderr] warning: using `clone` on a `Copy` type
[INFO] [stderr]    --> src/bluez/adapter/mod.rs:312:59
[INFO] [stderr]     |
[INFO] [stderr] 312 |                     self.emit(CentralEvent::DeviceUpdated(address.clone()))
[INFO] [stderr]     |                                                           ^^^^^^^^^^^^^^^ help: try removing the `clone` call: `address`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#clone_on_copy
[INFO] [stderr] 
[INFO] [stderr] warning: using `clone` on a `Copy` type
[INFO] [stderr]    --> src/bluez/adapter/mod.rs:317:31
[INFO] [stderr]     |
[INFO] [stderr] 317 |                 let address = info.bdaddr.clone();
[INFO] [stderr]     |                               ^^^^^^^^^^^^^^^^^^^ help: try removing the `clone` call: `info.bdaddr`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#clone_on_copy
[INFO] [stderr] 
[INFO] [stderr] warning: using `clone` on a `Copy` type
[INFO] [stderr]    --> src/bluez/adapter/mod.rs:318:30
[INFO] [stderr]     |
[INFO] [stderr] 318 |                 let handle = info.handle.clone();
[INFO] [stderr]     |                              ^^^^^^^^^^^^^^^^^^^ help: try removing the `clone` call: `info.handle`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#clone_on_copy
[INFO] [stderr] 
[INFO] [stderr] warning: You are using an explicit closure for cloning elements
[INFO] [stderr]    --> src/bluez/adapter/mod.rs:413:9
[INFO] [stderr]     |
[INFO] [stderr] 413 |         l.values().map(|p| p.clone()).collect()
[INFO] [stderr]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: Consider calling the dedicated `cloned` method: `l.values().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: You are using an explicit closure for cloning elements
[INFO] [stderr]    --> src/bluez/adapter/mod.rs:418:9
[INFO] [stderr]     |
[INFO] [stderr] 418 |         l.get(&address).map(|p| p.clone())
[INFO] [stderr]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: Consider calling the dedicated `cloned` method: `l.get(&address).cloned()`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#map_clone
[INFO] [stderr] 
[INFO] [stderr] warning: the operation is ineffective. Consider reducing it to `8i32`
[INFO] [stderr]    --> src/bluez/adapter/mod.rs:446:44
[INFO] [stderr]     |
[INFO] [stderr] 446 | static HCI_GET_DEV_MAGIC: usize = (2u32 << 0i32 + 8i32 + 8i32 + 14i32 |
[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: the operation is ineffective. Consider reducing it to `8i32`
[INFO] [stderr]    --> src/bluez/adapter/mod.rs:447:23
[INFO] [stderr]     |
[INFO] [stderr] 447 |     (b'H' as (i32) << 0i32 + 8i32) as (u32) | (211i32 << 0i32) as (u32)) as (usize) |
[INFO] [stderr]     |                       ^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#identity_op
[INFO] [stderr] 
[INFO] [stderr] warning: the operation is ineffective. Consider reducing it to `211i32`
[INFO] [stderr]    --> src/bluez/adapter/mod.rs:447:47
[INFO] [stderr]     |
[INFO] [stderr] 447 |     (b'H' as (i32) << 0i32 + 8i32) as (u32) | (211i32 << 0i32) as (u32)) as (usize) |
[INFO] [stderr]     |                                               ^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#identity_op
[INFO] [stderr] 
[INFO] [stderr] warning: the operation is ineffective. Consider reducing it to `8i32`
[INFO] [stderr]    --> src/bluez/adapter/mod.rs:448:30
[INFO] [stderr]     |
[INFO] [stderr] 448 |     4 /* (sizeof(i32)) */ << 0i32 + 8i32 + 8i32;
[INFO] [stderr]     |                              ^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#identity_op
[INFO] [stderr] 
[INFO] [stderr] warning: using `clone` on a `Copy` type
[INFO] [stderr]    --> src/bluez/adapter/mod.rs:459:19
[INFO] [stderr]     |
[INFO] [stderr] 459 |             info: di.clone(),
[INFO] [stderr]     |                   ^^^^^^^^^^ help: try dereferencing it: `*di`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#clone_on_copy
[INFO] [stderr] 
[INFO] [stderr] warning: use of `unwrap_or` followed by a function call
[INFO] [stderr]   --> src/bluez/adapter/peripheral.rs:86:14
[INFO] [stderr]    |
[INFO] [stderr] 86 |             .unwrap_or("(unknown)".to_string()), connected)
[INFO] [stderr]    |              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: try this: `unwrap_or_else(|| "(unknown)".to_string())`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(clippy::or_fun_call)] on by default
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#or_fun_call
[INFO] [stderr] 
[INFO] [stderr] warning: you don't need to add `&` to all patterns
[INFO] [stderr]    --> src/bluez/adapter/peripheral.rs:137:21
[INFO] [stderr]     |
[INFO] [stderr] 137 | /                     match datum {
[INFO] [stderr] 138 | |                         &LocalName(ref name) => {
[INFO] [stderr] 139 | |                             properties.local_name = Some(name.clone());
[INFO] [stderr] 140 | |                         }
[INFO] [stderr] ...   |
[INFO] [stderr] 149 | |                         }
[INFO] [stderr] 150 | |                     }
[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] 137 |                     match *datum {
[INFO] [stderr] 138 |                         LocalName(ref name) => {
[INFO] [stderr] 139 |                             properties.local_name = Some(name.clone());
[INFO] [stderr] 140 |                         }
[INFO] [stderr] 141 |                         TxPowerLevel(ref power) => {
[INFO] [stderr] 142 |                             properties.tx_power_level = Some(power.clone());
[INFO] [stderr]   ...
[INFO] [stderr] 
[INFO] [stderr] warning: using `clone` on a `Copy` type
[INFO] [stderr]    --> src/bluez/adapter/peripheral.rs:142:62
[INFO] [stderr]     |
[INFO] [stderr] 142 |                             properties.tx_power_level = Some(power.clone());
[INFO] [stderr]     |                                                              ^^^^^^^^^^^^^ help: try dereferencing it: `*power`
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(clippy::clone_on_copy)] on by default
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#clone_on_copy
[INFO] [stderr] 
[INFO] [stderr] warning: using `clone` on a `Copy` type
[INFO] [stderr]    --> src/bluez/adapter/peripheral.rs:157:57
[INFO] [stderr]     |
[INFO] [stderr] 157 |                 self.connection_tx.lock().unwrap().send(info.handle.clone()).unwrap();
[INFO] [stderr]     |                                                         ^^^^^^^^^^^^^^^^^^^ help: try removing the `clone` call: `info.handle`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#clone_on_copy
[INFO] [stderr] 
[INFO] [stderr] warning: using `clone` on a `Copy` type
[INFO] [stderr]    --> src/bluez/adapter/peripheral.rs:160:30
[INFO] [stderr]     |
[INFO] [stderr] 160 |                 let handle = data.handle.clone();
[INFO] [stderr]     |                              ^^^^^^^^^^^^^^^^^^^ help: try removing the `clone` call: `data.handle`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#clone_on_copy
[INFO] [stderr] 
[INFO] [stderr] warning: length comparison to zero
[INFO] [stderr]    --> src/bluez/adapter/peripheral.rs:255:20
[INFO] [stderr]     |
[INFO] [stderr] 255 |                 if data.len() > 0 && data[0] == ATT_OP_WRITE_RESP {
[INFO] [stderr]     |                    ^^^^^^^^^^^^^^ help: using `is_empty` is clearer and more explicit: `!data.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] warning: using `clone` on a `Copy` type
[INFO] [stderr]    --> src/bluez/adapter/peripheral.rs:297:9
[INFO] [stderr]     |
[INFO] [stderr] 297 |         self.address.clone()
[INFO] [stderr]     |         ^^^^^^^^^^^^^^^^^^^^ help: try removing the `clone` call: `self.address`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#clone_on_copy
[INFO] [stderr] 
[INFO] [stderr] warning: casting u8 to u32 may become silently lossy if types change
[INFO] [stderr]    --> src/bluez/adapter/peripheral.rs:335:29
[INFO] [stderr]     |
[INFO] [stderr] 335 |             l2_bdaddr_type: self.c_adapter.adapter.typ.num() as u32,
[INFO] [stderr]     |                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: try: `u32::from(self.c_adapter.adapter.typ.num())`
[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: using `clone` on a `Copy` type
[INFO] [stderr]    --> src/bluez/adapter/peripheral.rs:393:44
[INFO] [stderr]     |
[INFO] [stderr] 393 |                 return Err(Error::TimedOut(timeout.clone()));
[INFO] [stderr]     |                                            ^^^^^^^^^^^^^^^ help: try removing the `clone` call: `timeout`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#clone_on_copy
[INFO] [stderr] 
[INFO] [stderr] warning: called `.get_mut().unwrap()` on a Vec. Using `[]` is more clear and more concise
[INFO] [stderr]    --> src/bluez/adapter/peripheral.rs:471:15
[INFO] [stderr]     |
[INFO] [stderr] 471 |             (*results.get_mut(i).unwrap()).end_handle =
[INFO] [stderr]     |               ^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: try this: `results[i]`
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(clippy::get_unwrap)] on by default
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#get_unwrap
[INFO] [stderr] 
[INFO] [stderr] warning: this argument is passed by reference, but would be more efficient if passed by value
[INFO] [stderr]    --> src/bluez/adapter/mod.rs:134:12
[INFO] [stderr]     |
[INFO] [stderr] 134 |     fn num(&self) -> u8 {
[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: using `clone` on a `Copy` type
[INFO] [stderr]    --> src/bluez/adapter/mod.rs:285:21
[INFO] [stderr]     |
[INFO] [stderr] 285 |             handler(event.clone());
[INFO] [stderr]     |                     ^^^^^^^^^^^^^ help: try removing the `clone` call: `event`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#clone_on_copy
[INFO] [stderr] 
[INFO] [stderr] warning: using `clone` on a `Copy` type
[INFO] [stderr]    --> src/bluez/adapter/mod.rs:295:31
[INFO] [stderr]     |
[INFO] [stderr] 295 |                 let address = info.bdaddr.clone();
[INFO] [stderr]     |                               ^^^^^^^^^^^^^^^^^^^ help: try removing the `clone` call: `info.bdaddr`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#clone_on_copy
[INFO] [stderr] 
[INFO] [stderr] warning: using `clone` on a `Copy` type
[INFO] [stderr]    --> src/bluez/adapter/mod.rs:310:62
[INFO] [stderr]     |
[INFO] [stderr] 310 |                     self.emit(CentralEvent::DeviceDiscovered(address.clone()))
[INFO] [stderr]     |                                                              ^^^^^^^^^^^^^^^ help: try removing the `clone` call: `address`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#clone_on_copy
[INFO] [stderr] 
[INFO] [stderr] warning: using `clone` on a `Copy` type
[INFO] [stderr]    --> src/bluez/adapter/mod.rs:312:59
[INFO] [stderr]     |
[INFO] [stderr] 312 |                     self.emit(CentralEvent::DeviceUpdated(address.clone()))
[INFO] [stderr]     |                                                           ^^^^^^^^^^^^^^^ help: try removing the `clone` call: `address`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#clone_on_copy
[INFO] [stderr] 
[INFO] [stderr] warning: using `clone` on a `Copy` type
[INFO] [stderr]    --> src/bluez/adapter/mod.rs:317:31
[INFO] [stderr]     |
[INFO] [stderr] 317 |                 let address = info.bdaddr.clone();
[INFO] [stderr]     |                               ^^^^^^^^^^^^^^^^^^^ help: try removing the `clone` call: `info.bdaddr`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#clone_on_copy
[INFO] [stderr] 
[INFO] [stderr] warning: using `clone` on a `Copy` type
[INFO] [stderr]    --> src/bluez/adapter/mod.rs:318:30
[INFO] [stderr]     |
[INFO] [stderr] 318 |                 let handle = info.handle.clone();
[INFO] [stderr]     |                              ^^^^^^^^^^^^^^^^^^^ help: try removing the `clone` call: `info.handle`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#clone_on_copy
[INFO] [stderr] 
[INFO] [stderr] warning: You are using an explicit closure for cloning elements
[INFO] [stderr]    --> src/bluez/adapter/mod.rs:413:9
[INFO] [stderr]     |
[INFO] [stderr] 413 |         l.values().map(|p| p.clone()).collect()
[INFO] [stderr]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: Consider calling the dedicated `cloned` method: `l.values().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: You are using an explicit closure for cloning elements
[INFO] [stderr]    --> src/bluez/adapter/mod.rs:418:9
[INFO] [stderr]     |
[INFO] [stderr] 418 |         l.get(&address).map(|p| p.clone())
[INFO] [stderr]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: Consider calling the dedicated `cloned` method: `l.get(&address).cloned()`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#map_clone
[INFO] [stderr] 
[INFO] [stderr] warning: the operation is ineffective. Consider reducing it to `8i32`
[INFO] [stderr]    --> src/bluez/adapter/mod.rs:446:44
[INFO] [stderr]     |
[INFO] [stderr] 446 | static HCI_GET_DEV_MAGIC: usize = (2u32 << 0i32 + 8i32 + 8i32 + 14i32 |
[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: the operation is ineffective. Consider reducing it to `8i32`
[INFO] [stderr]    --> src/bluez/adapter/mod.rs:447:23
[INFO] [stderr]     |
[INFO] [stderr] 447 |     (b'H' as (i32) << 0i32 + 8i32) as (u32) | (211i32 << 0i32) as (u32)) as (usize) |
[INFO] [stderr]     |                       ^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#identity_op
[INFO] [stderr] 
[INFO] [stderr] warning: the operation is ineffective. Consider reducing it to `211i32`
[INFO] [stderr]    --> src/bluez/adapter/mod.rs:447:47
[INFO] [stderr]     |
[INFO] [stderr] 447 |     (b'H' as (i32) << 0i32 + 8i32) as (u32) | (211i32 << 0i32) as (u32)) as (usize) |
[INFO] [stderr]     |                                               ^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#identity_op
[INFO] [stderr] 
[INFO] [stderr] warning: the operation is ineffective. Consider reducing it to `8i32`
[INFO] [stderr]    --> src/bluez/adapter/mod.rs:448:30
[INFO] [stderr]     |
[INFO] [stderr] 448 |     4 /* (sizeof(i32)) */ << 0i32 + 8i32 + 8i32;
[INFO] [stderr]     |                              ^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#identity_op
[INFO] [stderr] 
[INFO] [stderr] warning: using `clone` on a `Copy` type
[INFO] [stderr]    --> src/bluez/adapter/mod.rs:459:19
[INFO] [stderr]     |
[INFO] [stderr] 459 |             info: di.clone(),
[INFO] [stderr]     |                   ^^^^^^^^^^ help: try dereferencing it: `*di`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#clone_on_copy
[INFO] [stderr] 
[INFO] [stderr] warning: casting u8 to u16 may become silently lossy if types change
[INFO] [stderr]    --> src/bluez/protocol/hci.rs:380:32
[INFO] [stderr]     |
[INFO] [stderr] 380 |     Reset = OCF_RESET as u16 | (OGF_HOST_CTL as u16) << 10,
[INFO] [stderr]     |                                ^^^^^^^^^^^^^^^^^^^^^ help: try: `u16::from(OGF_HOST_CTL)`
[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: casting u8 to u16 may become silently lossy if types change
[INFO] [stderr]    --> src/bluez/protocol/hci.rs:381:56
[INFO] [stderr]     |
[INFO] [stderr] 381 |     ReadLEHostSupported = OCF_READ_LE_HOST_SUPPORTED | (OGF_HOST_CTL as u16) << 10,
[INFO] [stderr]     |                                                        ^^^^^^^^^^^^^^^^^^^^^ help: try: `u16::from(OGF_HOST_CTL)`
[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: casting u8 to u16 may become silently lossy if types change
[INFO] [stderr]    --> src/bluez/protocol/hci.rs:382:58
[INFO] [stderr]     |
[INFO] [stderr] 382 |     WriteLEHostSupported = OCF_WRITE_LE_HOST_SUPPORTED | (OGF_HOST_CTL as u16) << 10,
[INFO] [stderr]     |                                                          ^^^^^^^^^^^^^^^^^^^^^ help: try: `u16::from(OGF_HOST_CTL)`
[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: casting u8 to u16 may become silently lossy if types change
[INFO] [stderr]    --> src/bluez/protocol/hci.rs:383:49
[INFO] [stderr]     |
[INFO] [stderr] 383 |     ReadLocalVersion = OCF_READ_LOCAL_VERSION | (OGF_INFO_PARAM as u16) << 10,
[INFO] [stderr]     |                                                 ^^^^^^^^^^^^^^^^^^^^^^^ help: try: `u16::from(OGF_INFO_PARAM)`
[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: casting u8 to u16 may become silently lossy if types change
[INFO] [stderr]    --> src/bluez/protocol/hci.rs:384:37
[INFO] [stderr]     |
[INFO] [stderr] 384 |     ReadBDAddr = OCF_READ_BD_ADDR | (OGF_INFO_PARAM as u16) << 10,
[INFO] [stderr]     |                                     ^^^^^^^^^^^^^^^^^^^^^^^ help: try: `u16::from(OGF_INFO_PARAM)`
[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: casting u8 to u16 may become silently lossy if types change
[INFO] [stderr]    --> src/bluez/protocol/hci.rs:385:32
[INFO] [stderr]     |
[INFO] [stderr] 385 |     ReadRSSI = OCF_READ_RSSI | (OGF_STATUS_PARAM as u16) << 10,
[INFO] [stderr]     |                                ^^^^^^^^^^^^^^^^^^^^^^^^^ help: try: `u16::from(OGF_STATUS_PARAM)`
[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: casting u8 to u16 may become silently lossy if types change
[INFO] [stderr]    --> src/bluez/protocol/hci.rs:390:46
[INFO] [stderr]     |
[INFO] [stderr] 390 |     LESetEventMask = OCF_LE_SET_EVENT_MASK | (OGF_LE_CTL as u16) << 10,
[INFO] [stderr]     |                                              ^^^^^^^^^^^^^^^^^^^ help: try: `u16::from(OGF_LE_CTL)`
[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: casting u8 to u16 may become silently lossy if types change
[INFO] [stderr]    --> src/bluez/protocol/hci.rs:391:56
[INFO] [stderr]     |
[INFO] [stderr] 391 |     LESetScanParameters = OCF_LE_SET_SCAN_PARAMETERS | (OGF_LE_CTL as u16) << 10,
[INFO] [stderr]     |                                                        ^^^^^^^^^^^^^^^^^^^ help: try: `u16::from(OGF_LE_CTL)`
[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: casting u8 to u16 may become silently lossy if types change
[INFO] [stderr]    --> src/bluez/protocol/hci.rs:392:49
[INFO] [stderr]     |
[INFO] [stderr] 392 |     LESetScanEnabled = OCF_LE_SET_SCAN_ENABLE | (OGF_LE_CTL as u16) << 10,
[INFO] [stderr]     |                                                 ^^^^^^^^^^^^^^^^^^^ help: try: `u16::from(OGF_LE_CTL)`
[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: casting u8 to u16 may become silently lossy if types change
[INFO] [stderr]    --> src/bluez/protocol/hci.rs:393:47
[INFO] [stderr]     |
[INFO] [stderr] 393 |     LECreateConnection = OCF_LE_CREATE_CONN | (OGF_LE_CTL as u16) << 10,
[INFO] [stderr]     |                                               ^^^^^^^^^^^^^^^^^^^ help: try: `u16::from(OGF_LE_CTL)`
[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: casting u8 to u16 may become silently lossy if types change
[INFO] [stderr]    --> src/bluez/protocol/hci.rs:394:47
[INFO] [stderr]     |
[INFO] [stderr] 394 |     LEConnectionUpdate = OCF_LE_CONN_UPDATE | (OGF_LE_CTL as u16) << 10,
[INFO] [stderr]     |                                               ^^^^^^^^^^^^^^^^^^^ help: try: `u16::from(OGF_LE_CTL)`
[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: casting u8 to u16 may become silently lossy if types change
[INFO] [stderr]    --> src/bluez/protocol/hci.rs:395:51
[INFO] [stderr]     |
[INFO] [stderr] 395 |     LEStartEncryption = OCF_LE_START_ENCRYPTION | (OGF_LE_CTL as u16) << 10,
[INFO] [stderr]     |                                                   ^^^^^^^^^^^^^^^^^^^ help: try: `u16::from(OGF_LE_CTL)`
[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: the function has a cyclomatic complexity of 56
[INFO] [stderr]    --> src/bluez/protocol/hci.rs:437:1
[INFO] [stderr]     |
[INFO] [stderr] 437 | / fn le_advertising_data(i: &[u8]) -> IResult<&[u8], Vec<LEAdvertisingData>> {
[INFO] [stderr] 438 | |     use self::LEAdvertisingData::*;
[INFO] [stderr] 439 | |     let (i, len) = try_parse!(i, le_u8);
[INFO] [stderr] 440 | |     let (i, typ) = try_parse!(i, le_u8);
[INFO] [stderr] ...   |
[INFO] [stderr] 507 | |     IResult::Done(i, result)
[INFO] [stderr] 508 | | }
[INFO] [stderr]     | |_^
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(clippy::cyclomatic_complexity)] on by default
[INFO] [stderr]     = help: you could split it up into multiple smaller functions
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#cyclomatic_complexity
[INFO] [stderr] 
[INFO] [stderr] warning: redundant closure found
[INFO] [stderr]    --> src/bluez/protocol/hci.rs:449:47
[INFO] [stderr]     |
[INFO] [stderr] 449 |             try_parse!(i, count!(map!(le_u16, |u| ServiceClassUUID16(u)), len / 2))
[INFO] [stderr]     |                                               ^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove closure as shown: `ServiceClassUUID16`
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(clippy::redundant_closure)] on by default
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#redundant_closure
[INFO] [stderr] 
[INFO] [stderr] warning: redundant closure found
[INFO] [stderr]    --> src/bluez/protocol/hci.rs:453:17
[INFO] [stderr]     |
[INFO] [stderr] 453 |                 |b| ServiceClassUUID128(b)), len / 16))
[INFO] [stderr]     |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove closure as shown: `ServiceClassUUID128`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#redundant_closure
[INFO] [stderr] 
[INFO] [stderr] warning: redundant closure found
[INFO] [stderr]    --> src/bluez/protocol/hci.rs:470:47
[INFO] [stderr]     |
[INFO] [stderr] 470 |             try_parse!(i, count!(map!(le_u16, |u| SolicitationUUID16(u)), len / 2))
[INFO] [stderr]     |                                               ^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove closure as shown: `SolicitationUUID16`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#redundant_closure
[INFO] [stderr] 
[INFO] [stderr] warning: redundant closure found
[INFO] [stderr]    --> src/bluez/protocol/hci.rs:474:17
[INFO] [stderr]     |
[INFO] [stderr] 474 |                 |b| SolicitationUUID128(b)), len / 16))
[INFO] [stderr]     |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove closure as shown: `SolicitationUUID128`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#redundant_closure
[INFO] [stderr] 
[INFO] [stderr] warning: redundant closure found
[INFO] [stderr]    --> src/bluez/protocol/hci.rs:496:17
[INFO] [stderr]     |
[INFO] [stderr] 496 |                 |b| SolicitationUUID32(b)), len / 4))
[INFO] [stderr]     |                 ^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove closure as shown: `SolicitationUUID32`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#redundant_closure
[INFO] [stderr] 
[INFO] [stderr] warning: casting u8 to u16 may become silently lossy if types change
[INFO] [stderr]    --> src/bluez/protocol/hci.rs:380:32
[INFO] [stderr]     |
[INFO] [stderr] 380 |     Reset = OCF_RESET as u16 | (OGF_HOST_CTL as u16) << 10,
[INFO] [stderr]     |                                ^^^^^^^^^^^^^^^^^^^^^ help: try: `u16::from(OGF_HOST_CTL)`
[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: casting u8 to u16 may become silently lossy if types change
[INFO] [stderr]    --> src/bluez/protocol/hci.rs:381:56
[INFO] [stderr]     |
[INFO] [stderr] 381 |     ReadLEHostSupported = OCF_READ_LE_HOST_SUPPORTED | (OGF_HOST_CTL as u16) << 10,
[INFO] [stderr]     |                                                        ^^^^^^^^^^^^^^^^^^^^^ help: try: `u16::from(OGF_HOST_CTL)`
[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: casting u8 to u16 may become silently lossy if types change
[INFO] [stderr]    --> src/bluez/protocol/hci.rs:382:58
[INFO] [stderr]     |
[INFO] [stderr] 382 |     WriteLEHostSupported = OCF_WRITE_LE_HOST_SUPPORTED | (OGF_HOST_CTL as u16) << 10,
[INFO] [stderr]     |                                                          ^^^^^^^^^^^^^^^^^^^^^ help: try: `u16::from(OGF_HOST_CTL)`
[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: casting u8 to u16 may become silently lossy if types change
[INFO] [stderr]    --> src/bluez/protocol/hci.rs:383:49
[INFO] [stderr]     |
[INFO] [stderr] 383 |     ReadLocalVersion = OCF_READ_LOCAL_VERSION | (OGF_INFO_PARAM as u16) << 10,
[INFO] [stderr]     |                                                 ^^^^^^^^^^^^^^^^^^^^^^^ help: try: `u16::from(OGF_INFO_PARAM)`
[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: casting u8 to u16 may become silently lossy if types change
[INFO] [stderr]    --> src/bluez/protocol/hci.rs:384:37
[INFO] [stderr]     |
[INFO] [stderr] 384 |     ReadBDAddr = OCF_READ_BD_ADDR | (OGF_INFO_PARAM as u16) << 10,
[INFO] [stderr]     |                                     ^^^^^^^^^^^^^^^^^^^^^^^ help: try: `u16::from(OGF_INFO_PARAM)`
[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: casting u8 to u16 may become silently lossy if types change
[INFO] [stderr]    --> src/bluez/protocol/hci.rs:385:32
[INFO] [stderr]     |
[INFO] [stderr] 385 |     ReadRSSI = OCF_READ_RSSI | (OGF_STATUS_PARAM as u16) << 10,
[INFO] [stderr]     |                                ^^^^^^^^^^^^^^^^^^^^^^^^^ help: try: `u16::from(OGF_STATUS_PARAM)`
[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: casting u8 to u16 may become silently lossy if types change
[INFO] [stderr]    --> src/bluez/protocol/hci.rs:390:46
[INFO] [stderr]     |
[INFO] [stderr] 390 |     LESetEventMask = OCF_LE_SET_EVENT_MASK | (OGF_LE_CTL as u16) << 10,
[INFO] [stderr]     |                                              ^^^^^^^^^^^^^^^^^^^ help: try: `u16::from(OGF_LE_CTL)`
[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: casting u8 to u16 may become silently lossy if types change
[INFO] [stderr]    --> src/bluez/protocol/hci.rs:391:56
[INFO] [stderr]     |
[INFO] [stderr] 391 |     LESetScanParameters = OCF_LE_SET_SCAN_PARAMETERS | (OGF_LE_CTL as u16) << 10,
[INFO] [stderr]     |                                                        ^^^^^^^^^^^^^^^^^^^ help: try: `u16::from(OGF_LE_CTL)`
[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: casting u8 to u16 may become silently lossy if types change
[INFO] [stderr]    --> src/bluez/protocol/hci.rs:392:49
[INFO] [stderr]     |
[INFO] [stderr] 392 |     LESetScanEnabled = OCF_LE_SET_SCAN_ENABLE | (OGF_LE_CTL as u16) << 10,
[INFO] [stderr]     |                                                 ^^^^^^^^^^^^^^^^^^^ help: try: `u16::from(OGF_LE_CTL)`
[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: casting u8 to u16 may become silently lossy if types change
[INFO] [stderr]    --> src/bluez/protocol/hci.rs:393:47
[INFO] [stderr]     |
[INFO] [stderr] 393 |     LECreateConnection = OCF_LE_CREATE_CONN | (OGF_LE_CTL as u16) << 10,
[INFO] [stderr]     |                                               ^^^^^^^^^^^^^^^^^^^ help: try: `u16::from(OGF_LE_CTL)`
[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: casting u8 to u16 may become silently lossy if types change
[INFO] [stderr]    --> src/bluez/protocol/hci.rs:394:47
[INFO] [stderr]     |
[INFO] [stderr] 394 |     LEConnectionUpdate = OCF_LE_CONN_UPDATE | (OGF_LE_CTL as u16) << 10,
[INFO] [stderr]     |                                               ^^^^^^^^^^^^^^^^^^^ help: try: `u16::from(OGF_LE_CTL)`
[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: casting u8 to u16 may become silently lossy if types change
[INFO] [stderr]    --> src/bluez/protocol/hci.rs:395:51
[INFO] [stderr]     |
[INFO] [stderr] 395 |     LEStartEncryption = OCF_LE_START_ENCRYPTION | (OGF_LE_CTL as u16) << 10,
[INFO] [stderr]     |                                                   ^^^^^^^^^^^^^^^^^^^ help: try: `u16::from(OGF_LE_CTL)`
[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: the function has a cyclomatic complexity of 56
[INFO] [stderr]    --> src/bluez/protocol/hci.rs:437:1
[INFO] [stderr]     |
[INFO] [stderr] 437 | / fn le_advertising_data(i: &[u8]) -> IResult<&[u8], Vec<LEAdvertisingData>> {
[INFO] [stderr] 438 | |     use self::LEAdvertisingData::*;
[INFO] [stderr] 439 | |     let (i, len) = try_parse!(i, le_u8);
[INFO] [stderr] 440 | |     let (i, typ) = try_parse!(i, le_u8);
[INFO] [stderr] ...   |
[INFO] [stderr] 507 | |     IResult::Done(i, result)
[INFO] [stderr] 508 | | }
[INFO] [stderr]     | |_^
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(clippy::cyclomatic_complexity)] on by default
[INFO] [stderr]     = help: you could split it up into multiple smaller functions
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#cyclomatic_complexity
[INFO] [stderr] 
[INFO] [stderr] warning: redundant closure found
[INFO] [stderr]    --> src/bluez/protocol/hci.rs:586:53
[INFO] [stderr]     |
[INFO] [stderr] 586 |             try_parse!(i, map!(le_advertising_info, |x| Message::LEAdvertisingReport(x)))
[INFO] [stderr]     |                                                     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove closure as shown: `Message::LEAdvertisingReport`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#redundant_closure
[INFO] [stderr] 
[INFO] [stderr] warning: redundant closure found
[INFO] [stderr]    --> src/bluez/protocol/hci.rs:589:50
[INFO] [stderr]     |
[INFO] [stderr] 589 |             try_parse!(i, map!(le_conn_complete, |x| Message::LEConnComplete(x)))
[INFO] [stderr]     |                                                  ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove closure as shown: `Message::LEConnComplete`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#redundant_closure
[INFO] [stderr] 
[INFO] [stderr] warning: redundant closure found
[INFO] [stderr]    --> src/bluez/protocol/hci.rs:449:47
[INFO] [stderr]     |
[INFO] [stderr] 449 |             try_parse!(i, count!(map!(le_u16, |u| ServiceClassUUID16(u)), len / 2))
[INFO] [stderr]     |                                               ^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove closure as shown: `ServiceClassUUID16`
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(clippy::redundant_closure)] on by default
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#redundant_closure
[INFO] [stderr] 
[INFO] [stderr] warning: redundant closure found
[INFO] [stderr]    --> src/bluez/protocol/hci.rs:453:17
[INFO] [stderr]     |
[INFO] [stderr] 453 |                 |b| ServiceClassUUID128(b)), len / 16))
[INFO] [stderr]     |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove closure as shown: `ServiceClassUUID128`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#redundant_closure
[INFO] [stderr] 
[INFO] [stderr] error: using `clone` on a double-reference; this will copy the reference instead of cloning the inner type
[INFO] [stderr]    --> src/bluez/protocol/hci.rs:633:23
[INFO] [stderr]     |
[INFO] [stderr] 633 |                 data: i.clone().to_owned()
[INFO] [stderr]     |                       ^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[deny(clippy::clone_double_ref)] on by default
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#clone_double_ref
[INFO] [stderr] help: try dereferencing it
[INFO] [stderr]     |
[INFO] [stderr] 633 |                 data: &(*i).clone().to_owned()
[INFO] [stderr]     |                       ^^^^^^^^^^^^^
[INFO] [stderr] help: or try being explicit about what type to clone
[INFO] [stderr]     |
[INFO] [stderr] 633 |                 data: &[u8]::clone(i).to_owned()
[INFO] [stderr]     |                       ^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: redundant closure found
[INFO] [stderr]    --> src/bluez/protocol/hci.rs:470:47
[INFO] [stderr]     |
[INFO] [stderr] 470 |             try_parse!(i, count!(map!(le_u16, |u| SolicitationUUID16(u)), len / 2))
[INFO] [stderr]     |                                               ^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove closure as shown: `SolicitationUUID16`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#redundant_closure
[INFO] [stderr] 
[INFO] [stderr] warning: redundant closure found
[INFO] [stderr]    --> src/bluez/protocol/hci.rs:474:17
[INFO] [stderr]     |
[INFO] [stderr] 474 |                 |b| SolicitationUUID128(b)), len / 16))
[INFO] [stderr]     |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove closure as shown: `SolicitationUUID128`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#redundant_closure
[INFO] [stderr] 
[INFO] [stderr] warning: redundant closure found
[INFO] [stderr]    --> src/bluez/protocol/hci.rs:496:17
[INFO] [stderr]     |
[INFO] [stderr] 496 |                 |b| SolicitationUUID32(b)), len / 4))
[INFO] [stderr]     |                 ^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove closure as shown: `SolicitationUUID32`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#redundant_closure
[INFO] [stderr] 
[INFO] [stderr] error: using `clone` on a double-reference; this will copy the reference instead of cloning the inner type
[INFO] [stderr]    --> src/bluez/protocol/hci.rs:722:23
[INFO] [stderr]     |
[INFO] [stderr] 722 |                 data: i.clone().to_owned(),
[INFO] [stderr]     |                       ^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#clone_double_ref
[INFO] [stderr] help: try dereferencing it
[INFO] [stderr]     |
[INFO] [stderr] 722 |                 data: &(*i).clone().to_owned(),
[INFO] [stderr]     |                       ^^^^^^^^^^^^^
[INFO] [stderr] help: or try being explicit about what type to clone
[INFO] [stderr]     |
[INFO] [stderr] 722 |                 data: &[u8]::clone(i).to_owned(),
[INFO] [stderr]     |                       ^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: redundant closure found
[INFO] [stderr]    --> src/bluez/protocol/att.rs:123:36
[INFO] [stderr]     |
[INFO] [stderr] 123 |         try_parse!(i, map!(le_u16, |b| UUID::B16(b)))
[INFO] [stderr]     |                                    ^^^^^^^^^^^^^^^^ help: remove closure as shown: `UUID::B16`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#redundant_closure
[INFO] [stderr] 
[INFO] [stderr] warning: redundant closure found
[INFO] [stderr]    --> src/bluez/protocol/att.rs:125:44
[INFO] [stderr]     |
[INFO] [stderr] 125 |         try_parse!(i, map!(parse_uuid_128, |b| UUID::B128(b)))
[INFO] [stderr]     |                                            ^^^^^^^^^^^^^^^^^ help: remove closure as shown: `UUID::B128`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#redundant_closure
[INFO] [stderr] 
[INFO] [stderr] warning: redundant closure found
[INFO] [stderr]    --> src/bluez/protocol/hci.rs:586:53
[INFO] [stderr]     |
[INFO] [stderr] 586 |             try_parse!(i, map!(le_advertising_info, |x| Message::LEAdvertisingReport(x)))
[INFO] [stderr]     |                                                     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove closure as shown: `Message::LEAdvertisingReport`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#redundant_closure
[INFO] [stderr] 
[INFO] [stderr] warning: redundant closure found
[INFO] [stderr]    --> src/bluez/protocol/hci.rs:589:50
[INFO] [stderr]     |
[INFO] [stderr] 589 |             try_parse!(i, map!(le_conn_complete, |x| Message::LEConnComplete(x)))
[INFO] [stderr]     |                                                  ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove closure as shown: `Message::LEConnComplete`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#redundant_closure
[INFO] [stderr] 
[INFO] [stderr] warning: redundant closure found
[INFO] [stderr]    --> src/bluez/protocol/att.rs:142:48
[INFO] [stderr]     |
[INFO] [stderr] 142 |             try_parse!(i, map!(error_response, |r| Err(r)))
[INFO] [stderr]     |                                                ^^^^^^^^^^ help: remove closure as shown: `Err`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#redundant_closure
[INFO] [stderr] 
[INFO] [stderr] warning: redundant closure found
[INFO] [stderr]    --> src/bluez/protocol/att.rs:148:79
[INFO] [stderr]     |
[INFO] [stderr] 148 |             try_parse!(i, map!(count!(apply!(characteristic, b16_uuid), num), |r| Ok(r)))
[INFO] [stderr]     |                                                                               ^^^^^^^^^ help: remove closure as shown: `Ok`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#redundant_closure
[INFO] [stderr] 
[INFO] [stderr] warning: the operation is ineffective. Consider reducing it to `8i32`
[INFO] [stderr]   --> src/bluez/constants.rs:87:53
[INFO] [stderr]    |
[INFO] [stderr] 87 | pub static HCI_GET_DEV_LIST_MAGIC: usize = (2u32 << 0i32 + 8i32 + 8i32 + 14i32 |
[INFO] [stderr]    |                                                     ^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#identity_op
[INFO] [stderr] 
[INFO] [stderr] warning: the operation is ineffective. Consider reducing it to `8i32`
[INFO] [stderr]   --> src/bluez/constants.rs:88:23
[INFO] [stderr]    |
[INFO] [stderr] 88 |     (b'H' as (i32) << 0i32 + 8i32) as (u32) | (210i32 << 0i32) as (u32)) as
[INFO] [stderr]    |                       ^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#identity_op
[INFO] [stderr] 
[INFO] [stderr] warning: the operation is ineffective. Consider reducing it to `210i32`
[INFO] [stderr]   --> src/bluez/constants.rs:88:47
[INFO] [stderr]    |
[INFO] [stderr] 88 |     (b'H' as (i32) << 0i32 + 8i32) as (u32) | (210i32 << 0i32) as (u32)) as
[INFO] [stderr]    |                                               ^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#identity_op
[INFO] [stderr] 
[INFO] [stderr] warning: the operation is ineffective. Consider reducing it to `8i32`
[INFO] [stderr]   --> src/bluez/constants.rs:89:40
[INFO] [stderr]    |
[INFO] [stderr] 89 |     (usize) | 4 /* (sizeof(i32)) */ << 0i32 + 8i32 + 8i32;
[INFO] [stderr]    |                                        ^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#identity_op
[INFO] [stderr] 
[INFO] [stderr] error: using `clone` on a double-reference; this will copy the reference instead of cloning the inner type
[INFO] [stderr]    --> src/bluez/protocol/hci.rs:633:23
[INFO] [stderr]     |
[INFO] [stderr] 633 |                 data: i.clone().to_owned()
[INFO] [stderr]     |                       ^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[deny(clippy::clone_double_ref)] on by default
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#clone_double_ref
[INFO] [stderr] help: try dereferencing it
[INFO] [stderr]     |
[INFO] [stderr] 633 |                 data: &(*i).clone().to_owned()
[INFO] [stderr]     |                       ^^^^^^^^^^^^^
[INFO] [stderr] help: or try being explicit about what type to clone
[INFO] [stderr]     |
[INFO] [stderr] 633 |                 data: &[u8]::clone(i).to_owned()
[INFO] [stderr]     |                       ^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] error: using `clone` on a double-reference; this will copy the reference instead of cloning the inner type
[INFO] [stderr]    --> src/bluez/protocol/hci.rs:722:23
[INFO] [stderr]     |
[INFO] [stderr] 722 |                 data: i.clone().to_owned(),
[INFO] [stderr]     |                       ^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#clone_double_ref
[INFO] [stderr] help: try dereferencing it
[INFO] [stderr]     |
[INFO] [stderr] 722 |                 data: &(*i).clone().to_owned(),
[INFO] [stderr]     |                       ^^^^^^^^^^^^^
[INFO] [stderr] help: or try being explicit about what type to clone
[INFO] [stderr]     |
[INFO] [stderr] 722 |                 data: &[u8]::clone(i).to_owned(),
[INFO] [stderr]     |                       ^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to 3 previous errors
[INFO] [stderr] 
[INFO] [stderr] warning: redundant closure found
[INFO] [stderr]    --> src/bluez/protocol/att.rs:123:36
[INFO] [stderr]     |
[INFO] [stderr] 123 |         try_parse!(i, map!(le_u16, |b| UUID::B16(b)))
[INFO] [stderr]     |                                    ^^^^^^^^^^^^^^^^ help: remove closure as shown: `UUID::B16`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#redundant_closure
[INFO] [stderr] 
[INFO] [stderr] warning: redundant closure found
[INFO] [stderr]    --> src/bluez/protocol/att.rs:125:44
[INFO] [stderr]     |
[INFO] [stderr] 125 |         try_parse!(i, map!(parse_uuid_128, |b| UUID::B128(b)))
[INFO] [stderr]     |                                            ^^^^^^^^^^^^^^^^^ help: remove closure as shown: `UUID::B128`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#redundant_closure
[INFO] [stderr] 
[INFO] [stderr] warning: redundant closure found
[INFO] [stderr]    --> src/bluez/protocol/att.rs:142:48
[INFO] [stderr]     |
[INFO] [stderr] 142 |             try_parse!(i, map!(error_response, |r| Err(r)))
[INFO] [stderr]     |                                                ^^^^^^^^^^ help: remove closure as shown: `Err`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#redundant_closure
[INFO] [stderr] 
[INFO] [stderr] warning: redundant closure found
[INFO] [stderr]    --> src/bluez/protocol/att.rs:148:79
[INFO] [stderr]     |
[INFO] [stderr] 148 |             try_parse!(i, map!(count!(apply!(characteristic, b16_uuid), num), |r| Ok(r)))
[INFO] [stderr]     |                                                                               ^^^^^^^^^ help: remove closure as shown: `Ok`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#redundant_closure
[INFO] [stderr] 
[INFO] [stderr] error: Could not compile `rumble`.
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] warning: the operation is ineffective. Consider reducing it to `8i32`
[INFO] [stderr]   --> src/bluez/constants.rs:87:53
[INFO] [stderr]    |
[INFO] [stderr] 87 | pub static HCI_GET_DEV_LIST_MAGIC: usize = (2u32 << 0i32 + 8i32 + 8i32 + 14i32 |
[INFO] [stderr]    |                                                     ^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#identity_op
[INFO] [stderr] 
[INFO] [stderr] warning: the operation is ineffective. Consider reducing it to `8i32`
[INFO] [stderr]   --> src/bluez/constants.rs:88:23
[INFO] [stderr]    |
[INFO] [stderr] 88 |     (b'H' as (i32) << 0i32 + 8i32) as (u32) | (210i32 << 0i32) as (u32)) as
[INFO] [stderr]    |                       ^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#identity_op
[INFO] [stderr] 
[INFO] [stderr] warning: the operation is ineffective. Consider reducing it to `210i32`
[INFO] [stderr]   --> src/bluez/constants.rs:88:47
[INFO] [stderr]    |
[INFO] [stderr] 88 |     (b'H' as (i32) << 0i32 + 8i32) as (u32) | (210i32 << 0i32) as (u32)) as
[INFO] [stderr]    |                                               ^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#identity_op
[INFO] [stderr] 
[INFO] [stderr] warning: the operation is ineffective. Consider reducing it to `8i32`
[INFO] [stderr]   --> src/bluez/constants.rs:89:40
[INFO] [stderr]    |
[INFO] [stderr] 89 |     (usize) | 4 /* (sizeof(i32)) */ << 0i32 + 8i32 + 8i32;
[INFO] [stderr]    |                                        ^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#identity_op
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to 3 previous errors
[INFO] [stderr] 
[INFO] [stderr] error: Could not compile `rumble`.
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] running `"docker" "inspect" "5c78de528e004f758023430e44c31770f559ac973cefeffccc98606314efbd66"`
[INFO] running `"docker" "rm" "-f" "5c78de528e004f758023430e44c31770f559ac973cefeffccc98606314efbd66"`
[INFO] [stdout] 5c78de528e004f758023430e44c31770f559ac973cefeffccc98606314efbd66