[INFO] updating cached repository kellerkindt/sensor_common
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/kellerkindt/sensor_common
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/kellerkindt/sensor_common" "work/ex/clippy-test-run/sources/stable/gh/kellerkindt/sensor_common"`
[INFO] [stderr] Cloning into 'work/ex/clippy-test-run/sources/stable/gh/kellerkindt/sensor_common'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/kellerkindt/sensor_common" "work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/gh/kellerkindt/sensor_common"`
[INFO] [stderr] Cloning into 'work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/gh/kellerkindt/sensor_common'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] dae4e94d5f188e565cf8be5c9ab921103791fa51
[INFO] sha for GitHub repo kellerkindt/sensor_common: dae4e94d5f188e565cf8be5c9ab921103791fa51
[INFO] validating manifest of kellerkindt/sensor_common 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 kellerkindt/sensor_common 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 kellerkindt/sensor_common
[INFO] finished frobbing kellerkindt/sensor_common
[INFO] frobbed toml for kellerkindt/sensor_common written to work/ex/clippy-test-run/sources/stable/gh/kellerkindt/sensor_common/Cargo.toml
[INFO] started frobbing kellerkindt/sensor_common
[INFO] finished frobbing kellerkindt/sensor_common
[INFO] frobbed toml for kellerkindt/sensor_common written to work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/gh/kellerkindt/sensor_common/Cargo.toml
[INFO] crate kellerkindt/sensor_common has a lockfile. skipping
[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 kellerkindt/sensor_common against stable+rustflags=-Dclippy::into_iter_on_array for clippy-test-run
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/clippy-test-run/worker-4/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/gh/kellerkindt/sensor_common:/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 -Dclippy::into_iter_on_array" "-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] 0939ee47dbdaab023368a5fc37b3bc5c157d1352b6052edb72d47149cd555b18
[INFO] running `"docker" "start" "-a" "0939ee47dbdaab023368a5fc37b3bc5c157d1352b6052edb72d47149cd555b18"`
[INFO] [stderr]     Checking sensor_common v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: you don't need to add `&` to all patterns
[INFO] [stderr]   --> src/lib.rs:29:9
[INFO] [stderr]    |
[INFO] [stderr] 29 | /         match self {
[INFO] [stderr] 30 | |             &Request::ReadSpecified(id, _) => id,
[INFO] [stderr] 31 | |             &Request::ReadAll(id) => id,
[INFO] [stderr] 32 | |             &Request::ReadAllOnBus(id, _) => id,
[INFO] [stderr] ...  |
[INFO] [stderr] 39 | |             &Request::SetNetworkIpSubnetGateway(id, _, _, _) => id,
[INFO] [stderr] 40 | |         }
[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] 29 |         match *self {
[INFO] [stderr] 30 |             Request::ReadSpecified(id, _) => id,
[INFO] [stderr] 31 |             Request::ReadAll(id) => id,
[INFO] [stderr] 32 |             Request::ReadAllOnBus(id, _) => id,
[INFO] [stderr] 33 |             Request::DiscoverAll(id) => id,
[INFO] [stderr] 34 |             Request::DiscoverAllOnBus(id, _) => id,
[INFO] [stderr]  ...
[INFO] [stderr] 
[INFO] [stderr] warning: this argument is passed by reference, but would be more efficient if passed by value
[INFO] [stderr]    --> src/lib.rs:133:18
[INFO] [stderr]     |
[INFO] [stderr] 133 |     pub fn write(&self, writer: &mut Write) -> Result<usize, Error> {
[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/lib.rs:134:12
[INFO] [stderr]     |
[INFO] [stderr] 134 |           Ok(match self {
[INFO] [stderr]     |  ____________^
[INFO] [stderr] 135 | |             &Bus::OneWire => writer.write_u8(0x00)?,
[INFO] [stderr] 136 | |             &Bus::Custom(id) => writer.write_u8(0xFF)? + writer.write_u8(id)?,
[INFO] [stderr] 137 | |         })
[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] 134 |         Ok(match *self {
[INFO] [stderr] 135 |             Bus::OneWire => writer.write_u8(0x00)?,
[INFO] [stderr] 136 |             Bus::Custom(id) => writer.write_u8(0xFF)? + writer.write_u8(id)?,
[INFO] [stderr]     |
[INFO] [stderr] 
[INFO] [stderr] warning: this argument is passed by reference, but would be more efficient if passed by value
[INFO] [stderr]    --> src/lib.rs:157:15
[INFO] [stderr]     |
[INFO] [stderr] 157 |     pub fn id(&self) -> u8 {
[INFO] [stderr]     |               ^^^^^ help: consider passing by value instead: `self`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#trivially_copy_pass_by_ref
[INFO] [stderr] 
[INFO] [stderr] warning: this argument is passed by reference, but would be more efficient if passed by value
[INFO] [stderr]    --> src/lib.rs:165:18
[INFO] [stderr]     |
[INFO] [stderr] 165 |     pub fn write(&self, writer: &mut Write) -> Result<usize, Error> {
[INFO] [stderr]     |                  ^^^^^ help: consider passing by value instead: `self`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#trivially_copy_pass_by_ref
[INFO] [stderr] 
[INFO] [stderr] warning: you don't need to add `&` to all patterns
[INFO] [stderr]    --> src/lib.rs:166:12
[INFO] [stderr]     |
[INFO] [stderr] 166 |           Ok(match self {
[INFO] [stderr]     |  ____________^
[INFO] [stderr] 167 | |             &Response::NotImplemented(id) => {
[INFO] [stderr] 168 | |                 writer.write_u8(0xF0)?
[INFO] [stderr] 169 | |                     + writer.write_u8(id)?
[INFO] [stderr] ...   |
[INFO] [stderr] 179 | |             },
[INFO] [stderr] 180 | |         })
[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] 166 |         Ok(match *self {
[INFO] [stderr] 167 |             Response::NotImplemented(id) => {
[INFO] [stderr] 168 |                 writer.write_u8(0xF0)?
[INFO] [stderr] 169 |                     + writer.write_u8(id)?
[INFO] [stderr] 170 |             },
[INFO] [stderr] 171 |             Response::NotAvailable(id) => {
[INFO] [stderr]   ...
[INFO] [stderr] 
[INFO] [stderr] warning: this argument is passed by reference, but would be more efficient if passed by value
[INFO] [stderr]    --> src/lib.rs:202:18
[INFO] [stderr]     |
[INFO] [stderr] 202 |     pub fn write(&self, writer: &mut Write) -> Result<usize, Error> {
[INFO] [stderr]     |                  ^^^^^ help: consider passing by value instead: `self`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#trivially_copy_pass_by_ref
[INFO] [stderr] 
[INFO] [stderr] warning: you don't need to add `&` to all patterns
[INFO] [stderr]    --> src/lib.rs:203:12
[INFO] [stderr]     |
[INFO] [stderr] 203 |           Ok(match self {
[INFO] [stderr]     |  ____________^
[INFO] [stderr] 204 | |             &Format::ValueOnly(t) => {
[INFO] [stderr] 205 | |                 writer.write_u8(0x00)?
[INFO] [stderr] 206 | |                     + t.write(writer)?
[INFO] [stderr] ...   |
[INFO] [stderr] 219 | |             },
[INFO] [stderr] 220 | |         })
[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] 203 |         Ok(match *self {
[INFO] [stderr] 204 |             Format::ValueOnly(t) => {
[INFO] [stderr] 205 |                 writer.write_u8(0x00)?
[INFO] [stderr] 206 |                     + t.write(writer)?
[INFO] [stderr] 207 |             },
[INFO] [stderr] 208 |             Format::AddressOnly(t) => {
[INFO] [stderr]   ...
[INFO] [stderr] 
[INFO] [stderr] warning: this argument is passed by reference, but would be more efficient if passed by value
[INFO] [stderr]    --> src/lib.rs:243:18
[INFO] [stderr]     |
[INFO] [stderr] 243 |     pub fn write(&self, writer: &mut Write) -> Result<usize, Error> {
[INFO] [stderr]     |                  ^^^^^ help: consider passing by value instead: `self`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#trivially_copy_pass_by_ref
[INFO] [stderr] 
[INFO] [stderr] warning: you don't need to add `&` to all patterns
[INFO] [stderr]    --> src/lib.rs:244:12
[INFO] [stderr]     |
[INFO] [stderr] 244 |           Ok(match self {
[INFO] [stderr]     |  ____________^
[INFO] [stderr] 245 | |             &Type::F32 => writer.write_u8(0x00)?,
[INFO] [stderr] 246 | |             &Type::Bytes(size) => {
[INFO] [stderr] 247 | |                 writer.write_u8(0x01)?
[INFO] [stderr] ...   |
[INFO] [stderr] 253 | |             }
[INFO] [stderr] 254 | |         })
[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] 244 |         Ok(match *self {
[INFO] [stderr] 245 |             Type::F32 => writer.write_u8(0x00)?,
[INFO] [stderr] 246 |             Type::Bytes(size) => {
[INFO] [stderr] 247 |                 writer.write_u8(0x01)?
[INFO] [stderr] 248 |                     + writer.write_u8(size)?
[INFO] [stderr] 249 |             },
[INFO] [stderr]   ...
[INFO] [stderr] 
[INFO] [stderr] warning: length comparison to one
[INFO] [stderr]    --> src/lib.rs:275:12
[INFO] [stderr]     |
[INFO] [stderr] 275 |         if self.len() < 1 {
[INFO] [stderr]     |            ^^^^^^^^^^^^^^ help: using `is_empty` is clearer and more explicit: `self.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: length comparison to one
[INFO] [stderr]    --> src/lib.rs:307:12
[INFO] [stderr]     |
[INFO] [stderr] 307 |         if self.len() < 1 {
[INFO] [stderr]     |            ^^^^^^^^^^^^^^ help: using `is_empty` is clearer and more explicit: `self.is_empty()`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#len_zero
[INFO] [stderr] 
[INFO] [stderr] warning: you don't need to add `&` to all patterns
[INFO] [stderr]   --> src/lib.rs:29:9
[INFO] [stderr]    |
[INFO] [stderr] 29 | /         match self {
[INFO] [stderr] 30 | |             &Request::ReadSpecified(id, _) => id,
[INFO] [stderr] 31 | |             &Request::ReadAll(id) => id,
[INFO] [stderr] 32 | |             &Request::ReadAllOnBus(id, _) => id,
[INFO] [stderr] ...  |
[INFO] [stderr] 39 | |             &Request::SetNetworkIpSubnetGateway(id, _, _, _) => id,
[INFO] [stderr] 40 | |         }
[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] 29 |         match *self {
[INFO] [stderr] 30 |             Request::ReadSpecified(id, _) => id,
[INFO] [stderr] 31 |             Request::ReadAll(id) => id,
[INFO] [stderr] 32 |             Request::ReadAllOnBus(id, _) => id,
[INFO] [stderr] 33 |             Request::DiscoverAll(id) => id,
[INFO] [stderr] 34 |             Request::DiscoverAllOnBus(id, _) => id,
[INFO] [stderr]  ...
[INFO] [stderr] 
[INFO] [stderr] warning: this argument is passed by reference, but would be more efficient if passed by value
[INFO] [stderr]    --> src/lib.rs:133:18
[INFO] [stderr]     |
[INFO] [stderr] 133 |     pub fn write(&self, writer: &mut Write) -> Result<usize, Error> {
[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/lib.rs:134:12
[INFO] [stderr]     |
[INFO] [stderr] 134 |           Ok(match self {
[INFO] [stderr]     |  ____________^
[INFO] [stderr] 135 | |             &Bus::OneWire => writer.write_u8(0x00)?,
[INFO] [stderr] 136 | |             &Bus::Custom(id) => writer.write_u8(0xFF)? + writer.write_u8(id)?,
[INFO] [stderr] 137 | |         })
[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] 134 |         Ok(match *self {
[INFO] [stderr] 135 |             Bus::OneWire => writer.write_u8(0x00)?,
[INFO] [stderr] 136 |             Bus::Custom(id) => writer.write_u8(0xFF)? + writer.write_u8(id)?,
[INFO] [stderr]     |
[INFO] [stderr] 
[INFO] [stderr] warning: this argument is passed by reference, but would be more efficient if passed by value
[INFO] [stderr]    --> src/lib.rs:157:15
[INFO] [stderr]     |
[INFO] [stderr] 157 |     pub fn id(&self) -> u8 {
[INFO] [stderr]     |               ^^^^^ help: consider passing by value instead: `self`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#trivially_copy_pass_by_ref
[INFO] [stderr] 
[INFO] [stderr] warning: this argument is passed by reference, but would be more efficient if passed by value
[INFO] [stderr]    --> src/lib.rs:165:18
[INFO] [stderr]     |
[INFO] [stderr] 165 |     pub fn write(&self, writer: &mut Write) -> Result<usize, Error> {
[INFO] [stderr]     |                  ^^^^^ help: consider passing by value instead: `self`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#trivially_copy_pass_by_ref
[INFO] [stderr] 
[INFO] [stderr] warning: you don't need to add `&` to all patterns
[INFO] [stderr]    --> src/lib.rs:166:12
[INFO] [stderr]     |
[INFO] [stderr] 166 |           Ok(match self {
[INFO] [stderr]     |  ____________^
[INFO] [stderr] 167 | |             &Response::NotImplemented(id) => {
[INFO] [stderr] 168 | |                 writer.write_u8(0xF0)?
[INFO] [stderr] 169 | |                     + writer.write_u8(id)?
[INFO] [stderr] ...   |
[INFO] [stderr] 179 | |             },
[INFO] [stderr] 180 | |         })
[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] 166 |         Ok(match *self {
[INFO] [stderr] 167 |             Response::NotImplemented(id) => {
[INFO] [stderr] 168 |                 writer.write_u8(0xF0)?
[INFO] [stderr] 169 |                     + writer.write_u8(id)?
[INFO] [stderr] 170 |             },
[INFO] [stderr] 171 |             Response::NotAvailable(id) => {
[INFO] [stderr]   ...
[INFO] [stderr] 
[INFO] [stderr] warning: this argument is passed by reference, but would be more efficient if passed by value
[INFO] [stderr]    --> src/lib.rs:202:18
[INFO] [stderr]     |
[INFO] [stderr] 202 |     pub fn write(&self, writer: &mut Write) -> Result<usize, Error> {
[INFO] [stderr]     |                  ^^^^^ help: consider passing by value instead: `self`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#trivially_copy_pass_by_ref
[INFO] [stderr] 
[INFO] [stderr] warning: you don't need to add `&` to all patterns
[INFO] [stderr]    --> src/lib.rs:203:12
[INFO] [stderr]     |
[INFO] [stderr] 203 |           Ok(match self {
[INFO] [stderr]     |  ____________^
[INFO] [stderr] 204 | |             &Format::ValueOnly(t) => {
[INFO] [stderr] 205 | |                 writer.write_u8(0x00)?
[INFO] [stderr] 206 | |                     + t.write(writer)?
[INFO] [stderr] ...   |
[INFO] [stderr] 219 | |             },
[INFO] [stderr] 220 | |         })
[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] 203 |         Ok(match *self {
[INFO] [stderr] 204 |             Format::ValueOnly(t) => {
[INFO] [stderr] 205 |                 writer.write_u8(0x00)?
[INFO] [stderr] 206 |                     + t.write(writer)?
[INFO] [stderr] 207 |             },
[INFO] [stderr] 208 |             Format::AddressOnly(t) => {
[INFO] [stderr]   ...
[INFO] [stderr] 
[INFO] [stderr] warning: this argument is passed by reference, but would be more efficient if passed by value
[INFO] [stderr]    --> src/lib.rs:243:18
[INFO] [stderr]     |
[INFO] [stderr] 243 |     pub fn write(&self, writer: &mut Write) -> Result<usize, Error> {
[INFO] [stderr]     |                  ^^^^^ help: consider passing by value instead: `self`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#trivially_copy_pass_by_ref
[INFO] [stderr] 
[INFO] [stderr] warning: you don't need to add `&` to all patterns
[INFO] [stderr]    --> src/lib.rs:244:12
[INFO] [stderr]     |
[INFO] [stderr] 244 |           Ok(match self {
[INFO] [stderr]     |  ____________^
[INFO] [stderr] 245 | |             &Type::F32 => writer.write_u8(0x00)?,
[INFO] [stderr] 246 | |             &Type::Bytes(size) => {
[INFO] [stderr] 247 | |                 writer.write_u8(0x01)?
[INFO] [stderr] ...   |
[INFO] [stderr] 253 | |             }
[INFO] [stderr] 254 | |         })
[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] 244 |         Ok(match *self {
[INFO] [stderr] 245 |             Type::F32 => writer.write_u8(0x00)?,
[INFO] [stderr] 246 |             Type::Bytes(size) => {
[INFO] [stderr] 247 |                 writer.write_u8(0x01)?
[INFO] [stderr] 248 |                     + writer.write_u8(size)?
[INFO] [stderr] 249 |             },
[INFO] [stderr]   ...
[INFO] [stderr] 
[INFO] [stderr] warning: length comparison to one
[INFO] [stderr]    --> src/lib.rs:275:12
[INFO] [stderr]     |
[INFO] [stderr] 275 |         if self.len() < 1 {
[INFO] [stderr]     |            ^^^^^^^^^^^^^^ help: using `is_empty` is clearer and more explicit: `self.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: length comparison to one
[INFO] [stderr]    --> src/lib.rs:307:12
[INFO] [stderr]     |
[INFO] [stderr] 307 |         if self.len() < 1 {
[INFO] [stderr]     |            ^^^^^^^^^^^^^^ help: using `is_empty` is clearer and more explicit: `self.is_empty()`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#len_zero
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.94s
[INFO] running `"docker" "inspect" "0939ee47dbdaab023368a5fc37b3bc5c157d1352b6052edb72d47149cd555b18"`
[INFO] running `"docker" "rm" "-f" "0939ee47dbdaab023368a5fc37b3bc5c157d1352b6052edb72d47149cd555b18"`
[INFO] [stdout] 0939ee47dbdaab023368a5fc37b3bc5c157d1352b6052edb72d47149cd555b18