[INFO] crate rlp 0.3.0 is already in cache
[INFO] extracting crate rlp 0.3.0 into work/ex/clippy-test-run/sources/stable/reg/rlp/0.3.0
[INFO] extracting crate rlp 0.3.0 into work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/reg/rlp/0.3.0
[INFO] validating manifest of rlp-0.3.0 on toolchain stable
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+stable" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of rlp-0.3.0 on toolchain stable+rustflags=-Dclippy::into_iter_on_array
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+stable" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing rlp-0.3.0
[INFO] finished frobbing rlp-0.3.0
[INFO] frobbed toml for rlp-0.3.0 written to work/ex/clippy-test-run/sources/stable/reg/rlp/0.3.0/Cargo.toml
[INFO] started frobbing rlp-0.3.0
[INFO] finished frobbing rlp-0.3.0
[INFO] frobbed toml for rlp-0.3.0 written to work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/reg/rlp/0.3.0/Cargo.toml
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+stable" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+stable" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+stable" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+stable" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] linting rlp-0.3.0 against stable for clippy-test-run
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/clippy-test-run/worker-7/stable:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/clippy-test-run/sources/stable/reg/rlp/0.3.0:/opt/crater/workdir:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/opt/crater/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/opt/crater/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/crater/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/crater/cargo-home" "-e" "RUSTUP_HOME=/opt/crater/rustup-home" "-w" "/opt/crater/workdir" "-m" "1536M" "--network" "none" "rustops/crates-build-env" "/opt/crater/cargo-home/bin/cargo" "+stable" "clippy" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] f60006ac85e824e829433164b18d388e6b7a7e0f69702e946b77e9ac71a78116
[INFO] running `"docker" "start" "-a" "f60006ac85e824e829433164b18d388e6b7a7e0f69702e946b77e9ac71a78116"`
[INFO] [stderr]     Checking rlp v0.3.0 (/opt/crater/workdir)
[INFO] [stderr] warning: redundant field names in struct initialization
[INFO] [stderr]   --> src/rlpin.rs:25:4
[INFO] [stderr]    |
[INFO] [stderr] 25 |             index: index,
[INFO] [stderr]    |             ^^^^^^^^^^^^ help: replace it with: `index`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(clippy::redundant_field_names)] on by default
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#redundant_field_names
[INFO] [stderr] 
[INFO] [stderr] warning: redundant field names in struct initialization
[INFO] [stderr]   --> src/rlpin.rs:26:4
[INFO] [stderr]    |
[INFO] [stderr] 26 |             offset: offset,
[INFO] [stderr]    |             ^^^^^^^^^^^^^^ help: replace it with: `offset`
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#redundant_field_names
[INFO] [stderr] 
[INFO] [stderr] warning: redundant field names in struct initialization
[INFO] [stderr]   --> src/rlpin.rs:71:4
[INFO] [stderr]    |
[INFO] [stderr] 71 |             header_len: header_len,
[INFO] [stderr]    |             ^^^^^^^^^^^^^^^^^^^^^^ help: replace it with: `header_len`
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#redundant_field_names
[INFO] [stderr] 
[INFO] [stderr] warning: redundant field names in struct initialization
[INFO] [stderr]   --> src/rlpin.rs:72:4
[INFO] [stderr]    |
[INFO] [stderr] 72 |             value_len: value_len,
[INFO] [stderr]    |             ^^^^^^^^^^^^^^^^^^^^ help: replace it with: `value_len`
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#redundant_field_names
[INFO] [stderr] 
[INFO] [stderr] warning: redundant field names in struct initialization
[INFO] [stderr]    --> src/rlpin.rs:132:4
[INFO] [stderr]     |
[INFO] [stderr] 132 |             bytes: bytes,
[INFO] [stderr]     |             ^^^^^^^^^^^^ help: replace it with: `bytes`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#redundant_field_names
[INFO] [stderr] 
[INFO] [stderr] warning: redundant field names in struct initialization
[INFO] [stderr]   --> src/rlpin.rs:25:4
[INFO] [stderr]    |
[INFO] [stderr] 25 |             index: index,
[INFO] [stderr]    |             ^^^^^^^^^^^^ help: replace it with: `index`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(clippy::redundant_field_names)] on by default
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#redundant_field_names
[INFO] [stderr] 
[INFO] [stderr] warning: redundant field names in struct initialization
[INFO] [stderr]   --> src/rlpin.rs:26:4
[INFO] [stderr]    |
[INFO] [stderr] 26 |             offset: offset,
[INFO] [stderr]    |             ^^^^^^^^^^^^^^ help: replace it with: `offset`
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#redundant_field_names
[INFO] [stderr] 
[INFO] [stderr] warning: redundant field names in struct initialization
[INFO] [stderr]   --> src/rlpin.rs:71:4
[INFO] [stderr]    |
[INFO] [stderr] 71 |             header_len: header_len,
[INFO] [stderr]    |             ^^^^^^^^^^^^^^^^^^^^^^ help: replace it with: `header_len`
[INFO] [stderr]    |
[INFO] [stderr] warning: redundant field names in struct initialization
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#redundant_field_names
[INFO] [stderr]   --> src/stream.rs:23:4
[INFO] [stderr] 
[INFO] [stderr]    |
[INFO] [stderr] 23 |             position: position,
[INFO] [stderr]    |             ^^^^^^^^^^^^^^^^^^ help: replace it with: `position`
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#redundant_field_names
[INFO] [stderr] 
[INFO] [stderr] warning: redundant field names in struct initialization
[INFO] [stderr]   --> src/rlpin.rs:72:4
[INFO] [stderr]    |
[INFO] [stderr] 72 |             value_len: value_len,
[INFO] [stderr]    |             ^^^^^^^^^^^^^^^^^^^^ help: replace it with: `value_len`
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#redundant_field_names
[INFO] [stderr] 
[INFO] [stderr] warning: redundant field names in struct initialization
[INFO] [stderr]   --> src/stream.rs:25:4
[INFO] [stderr]    |
[INFO] [stderr] 25 |             max: max,
[INFO] [stderr]    |             ^^^^^^^^ help: replace it with: `max`
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#redundant_field_names
[INFO] [stderr] 
[INFO] [stderr] warning: redundant field names in struct initialization
[INFO] [stderr]    --> src/rlpin.rs:132:4
[INFO] [stderr]     |
[INFO] [stderr] 132 |             bytes: bytes,
[INFO] [stderr]     |             ^^^^^^^^^^^^ help: replace it with: `bytes`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#redundant_field_names
[INFO] [stderr] 
[INFO] [stderr] warning: redundant field names in struct initialization
[INFO] [stderr]   --> src/stream.rs:23:4
[INFO] [stderr]    |
[INFO] [stderr] 23 |             position: position,
[INFO] [stderr]    |             ^^^^^^^^^^^^^^^^^^ help: replace it with: `position`
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#redundant_field_names
[INFO] [stderr] 
[INFO] [stderr] warning: redundant field names in struct initialization
[INFO] [stderr]   --> src/stream.rs:25:4
[INFO] [stderr]    |
[INFO] [stderr] 25 |             max: max,
[INFO] [stderr]    |             ^^^^^^^^ help: replace it with: `max`
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#redundant_field_names
[INFO] [stderr] 
[INFO] [stderr] warning: unneeded unit return type
[INFO] [stderr]    --> src/stream.rs:299:53
[INFO] [stderr]     |
[INFO] [stderr] 299 |     fn note_appended(&mut self, inserted_items: usize) -> () {
[INFO] [stderr]     |                                                        ^^^^^ help: remove the `-> ()`
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(clippy::unused_unit)] on by default
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#unused_unit
[INFO] [stderr] 
[INFO] [stderr] warning: you seem to be trying to match on a boolean expression
[INFO] [stderr]    --> src/rlpin.rs:163:3
[INFO] [stderr]     |
[INFO] [stderr] 163 |           match self.is_list() {
[INFO] [stderr]     |  _________^
[INFO] [stderr] 164 | |             true => match self.count_cache.get() {
[INFO] [stderr] 165 | |                 Some(c) => Ok(c),
[INFO] [stderr] 166 | |                 None => {
[INFO] [stderr] ...   |
[INFO] [stderr] 172 | |             false => Err(DecoderError::RlpExpectedToBeList),
[INFO] [stderr] 173 | |         }
[INFO] [stderr]     | |_________^
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(clippy::match_bool)] on by default
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#match_bool
[INFO] [stderr] help: consider using an if/else expression
[INFO] [stderr]     |
[INFO] [stderr] 163 |         if self.is_list() { match self.count_cache.get() {
[INFO] [stderr] 164 |     Some(c) => Ok(c),
[INFO] [stderr] 165 |     None => {
[INFO] [stderr] 166 |         let c = self.iter().count();
[INFO] [stderr] 167 |         self.count_cache.set(Some(c));
[INFO] [stderr] 168 |         Ok(c)
[INFO] [stderr]   ...
[INFO] [stderr] 
[INFO] [stderr] warning: you seem to be trying to match on a boolean expression
[INFO] [stderr]    --> src/rlpin.rs:177:3
[INFO] [stderr]     |
[INFO] [stderr] 177 |           match self.is_data() {
[INFO] [stderr]     |  _________^
[INFO] [stderr] 178 | |             // TODO: No panic on malformed data, but ideally would Err on no PayloadInfo.
[INFO] [stderr] 179 | |             true => BasicDecoder::payload_info(self.bytes).map(|b| b.value_len).unwrap_or(0),
[INFO] [stderr] 180 | |             false => 0
[INFO] [stderr] 181 | |         }
[INFO] [stderr]     | |_________^ help: consider using an if/else expression: `if self.is_data() { BasicDecoder::payload_info(self.bytes).map(|b| b.value_len).unwrap_or(0) } else { 0 }`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#match_bool
[INFO] [stderr] 
[INFO] [stderr] warning: length comparison to zero
[INFO] [stderr]    --> src/rlpin.rs:214:3
[INFO] [stderr]     |
[INFO] [stderr] 214 |         self.bytes.len() == 0
[INFO] [stderr]     |         ^^^^^^^^^^^^^^^^^^^^^ help: using `is_empty` is clearer and more explicit: `self.bytes.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: you seem to be trying to match on a boolean expression
[INFO] [stderr]    --> src/rlpin.rs:293:3
[INFO] [stderr]     |
[INFO] [stderr] 293 |           match bytes.len() >= len {
[INFO] [stderr]     |  _________^
[INFO] [stderr] 294 | |             true => Ok(&bytes[len..]),
[INFO] [stderr] 295 | |             false => Err(DecoderError::RlpIsTooShort)
[INFO] [stderr] 296 | |         }
[INFO] [stderr]     | |_________^ help: consider using an if/else expression: `if bytes.len() >= len { Ok(&bytes[len..]) } else { Err(DecoderError::RlpIsTooShort) }`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#match_bool
[INFO] [stderr] 
[INFO] [stderr] warning: item `stream::RlpStream` has a public `len` method but no corresponding `is_empty` method
[INFO] [stderr]    --> src/stream.rs:43:1
[INFO] [stderr]     |
[INFO] [stderr] 43  | / impl RlpStream {
[INFO] [stderr] 44  | |     /// Initializes instance of empty `Stream`.
[INFO] [stderr] 45  | |     pub fn new() -> Self {
[INFO] [stderr] 46  | |         RlpStream {
[INFO] [stderr] ...   |
[INFO] [stderr] 339 | |     }
[INFO] [stderr] 340 | | }
[INFO] [stderr]     | |_^
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(clippy::len_without_is_empty)] on by default
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#len_without_is_empty
[INFO] [stderr] 
[INFO] [stderr] warning: explicit lifetimes given in parameter types where they could be elided (or replaced with `'_` if needed by type declaration)
[INFO] [stderr]    --> src/stream.rs:136:2
[INFO] [stderr]     |
[INFO] [stderr] 136 |       pub fn append_iter<'a, I>(&'a mut self, value: I) -> &'a mut Self
[INFO] [stderr]     |  _____^
[INFO] [stderr] 137 | |     where I: IntoIterator<Item = u8>,
[INFO] [stderr] 138 | |     {
[INFO] [stderr] 139 | |         self.finished_list = false;
[INFO] [stderr] ...   |
[INFO] [stderr] 144 | |         self
[INFO] [stderr] 145 | |     }
[INFO] [stderr]     | |_____^
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(clippy::needless_lifetimes)] on by default
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_lifetimes
[INFO] [stderr] 
[INFO] [stderr] warning: explicit lifetimes given in parameter types where they could be elided (or replaced with `'_` if needed by type declaration)
[INFO] [stderr]    --> src/stream.rs:222:2
[INFO] [stderr]     |
[INFO] [stderr] 222 |       pub fn estimate_size<'a>(&'a self, add: usize) -> usize {
[INFO] [stderr]     |  _____^
[INFO] [stderr] 223 | |         let total_size = self.buffer.len() + add;
[INFO] [stderr] 224 | |         let mut base_size = total_size;
[INFO] [stderr] 225 | |         for list in &self.unfinished_lists[..] {
[INFO] [stderr] ...   |
[INFO] [stderr] 233 | |         base_size
[INFO] [stderr] 234 | |     }
[INFO] [stderr]     | |_____^
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_lifetimes
[INFO] [stderr] 
[INFO] [stderr] warning: explicit lifetimes given in parameter types where they could be elided (or replaced with `'_` if needed by type declaration)
[INFO] [stderr]    --> src/stream.rs:237:2
[INFO] [stderr]     |
[INFO] [stderr] 237 |       pub fn len<'a>(&'a self) -> usize {
[INFO] [stderr]     |  _____^
[INFO] [stderr] 238 | |         self.estimate_size(0)
[INFO] [stderr] 239 | |     }
[INFO] [stderr]     | |_____^
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_lifetimes
[INFO] [stderr] 
[INFO] [stderr] warning: length comparison to zero
[INFO] [stderr]    --> src/stream.rs:279:3
[INFO] [stderr]     |
[INFO] [stderr] 279 |         self.unfinished_lists.len() == 0
[INFO] [stderr]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: using `is_empty` is clearer and more explicit: `self.unfinished_lists.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 seem to be trying to match on a boolean expression
[INFO] [stderr]    --> src/stream.rs:292:3
[INFO] [stderr]     |
[INFO] [stderr] 292 |           match self.is_finished() {
[INFO] [stderr]     |  _________^
[INFO] [stderr] 293 | |             true => self.buffer,
[INFO] [stderr] 294 | |             false => panic!()
[INFO] [stderr] 295 | |         }
[INFO] [stderr]     | |_________^ help: consider using an if/else expression: `if self.is_finished() { self.buffer } else { panic!() }`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#match_bool
[INFO] [stderr] 
[INFO] [stderr] warning: length comparison to zero
[INFO] [stderr]    --> src/stream.rs:300:6
[INFO] [stderr]     |
[INFO] [stderr] 300 |         if self.unfinished_lists.len() == 0 {
[INFO] [stderr]     |            ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: using `is_empty` is clearer and more explicit: `self.unfinished_lists.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: the loop variable `i` is used to index `bytes`
[INFO] [stderr]   --> src/impls.rs:23:13
[INFO] [stderr]    |
[INFO] [stderr] 23 |             for i in 0..l {
[INFO] [stderr]    |                      ^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(clippy::needless_range_loop)] on by default
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_range_loop
[INFO] [stderr] help: consider using an iterator
[INFO] [stderr]    |
[INFO] [stderr] 23 |             for (i, <item>) in bytes.iter().enumerate().take(l) {
[INFO] [stderr]    |                 ^^^^^^^^^^^    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: manual implementation of an assign operation
[INFO] [stderr]   --> src/impls.rs:25:5
[INFO] [stderr]    |
[INFO] [stderr] 25 |                 res = res + ((bytes[i] as usize) << shift);
[INFO] [stderr]    |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: replace it with: `res += ((bytes[i] as usize) << shift)`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(clippy::assign_op_pattern)] on by default
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#assign_op_pattern
[INFO] [stderr] 
[INFO] [stderr] warning: casting u8 to u16 may become silently lossy if types change
[INFO] [stderr]    --> src/impls.rs:138:40
[INFO] [stderr]     |
[INFO] [stderr] 138 |                         0 | 1 => u8::decode(rlp).map(|v| v as $name),
[INFO] [stderr]     |                                                          ^^^^^^^^^^ help: try: `u16::from(v)`
[INFO] [stderr] ...
[INFO] [stderr] 162 | impl_decodable_for_u!(u16);
[INFO] [stderr]     | --------------------------- in this macro invocation
[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: manual implementation of an assign operation
[INFO] [stderr]    --> src/impls.rs:146:9
[INFO] [stderr]     |
[INFO] [stderr] 146 |                                 res = res + ((bytes[i] as $name) << shift);
[INFO] [stderr]     |                                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: replace it with: `res += ((bytes[i] as $name) << shift)`
[INFO] [stderr] ...
[INFO] [stderr] 162 | impl_decodable_for_u!(u16);
[INFO] [stderr]     | --------------------------- in this macro invocation
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#assign_op_pattern
[INFO] [stderr] 
[INFO] [stderr] warning: casting u8 to u16 may become silently lossy if types change
[INFO] [stderr]    --> src/impls.rs:146:22
[INFO] [stderr]     |
[INFO] [stderr] 146 |                                 res = res + ((bytes[i] as $name) << shift);
[INFO] [stderr]     |                                              ^^^^^^^^^^^^^^^^^^^ help: try: `u16::from(bytes[i])`
[INFO] [stderr] ...
[INFO] [stderr] 162 | impl_decodable_for_u!(u16);
[INFO] [stderr]     | --------------------------- in this macro invocation
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#cast_lossless
[INFO] [stderr] 
[INFO] [stderr] warning: casting u8 to u32 may become silently lossy if types change
[INFO] [stderr]    --> src/impls.rs:138:40
[INFO] [stderr]     |
[INFO] [stderr] 138 |                         0 | 1 => u8::decode(rlp).map(|v| v as $name),
[INFO] [stderr]     |                                                          ^^^^^^^^^^ help: try: `u32::from(v)`
[INFO] [stderr] ...
[INFO] [stderr] 163 | impl_decodable_for_u!(u32);
[INFO] [stderr]     | --------------------------- in this macro invocation
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#cast_lossless
[INFO] [stderr] 
[INFO] [stderr] warning: manual implementation of an assign operation
[INFO] [stderr]    --> src/impls.rs:146:9
[INFO] [stderr]     |
[INFO] [stderr] 146 |                                 res = res + ((bytes[i] as $name) << shift);
[INFO] [stderr]     |                                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: replace it with: `res += ((bytes[i] as $name) << shift)`
[INFO] [stderr] ...
[INFO] [stderr] 163 | impl_decodable_for_u!(u32);
[INFO] [stderr]     | --------------------------- in this macro invocation
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#assign_op_pattern
[INFO] [stderr] 
[INFO] [stderr] warning: casting u8 to u32 may become silently lossy if types change
[INFO] [stderr]    --> src/impls.rs:146:22
[INFO] [stderr]     |
[INFO] [stderr] 146 |                                 res = res + ((bytes[i] as $name) << shift);
[INFO] [stderr]     |                                              ^^^^^^^^^^^^^^^^^^^ help: try: `u32::from(bytes[i])`
[INFO] [stderr] ...
[INFO] [stderr] 163 | impl_decodable_for_u!(u32);
[INFO] [stderr]     | --------------------------- in this macro invocation
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#cast_lossless
[INFO] [stderr] 
[INFO] [stderr] warning: casting u8 to u64 may become silently lossy if types change
[INFO] [stderr]    --> src/impls.rs:138:40
[INFO] [stderr]     |
[INFO] [stderr] 138 |                         0 | 1 => u8::decode(rlp).map(|v| v as $name),
[INFO] [stderr]     |                                                          ^^^^^^^^^^ help: try: `u64::from(v)`
[INFO] [stderr] ...
[INFO] [stderr] 164 | impl_decodable_for_u!(u64);
[INFO] [stderr]     | --------------------------- in this macro invocation
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#cast_lossless
[INFO] [stderr] 
[INFO] [stderr] warning: manual implementation of an assign operation
[INFO] [stderr]    --> src/impls.rs:146:9
[INFO] [stderr]     |
[INFO] [stderr] 146 |                                 res = res + ((bytes[i] as $name) << shift);
[INFO] [stderr]     |                                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: replace it with: `res += ((bytes[i] as $name) << shift)`
[INFO] [stderr] ...
[INFO] [stderr] 164 | impl_decodable_for_u!(u64);
[INFO] [stderr]     | --------------------------- in this macro invocation
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#assign_op_pattern
[INFO] [stderr] 
[INFO] [stderr] warning: casting u8 to u64 may become silently lossy if types change
[INFO] [stderr]    --> src/impls.rs:146:22
[INFO] [stderr]     |
[INFO] [stderr] 146 |                                 res = res + ((bytes[i] as $name) << shift);
[INFO] [stderr]     |                                              ^^^^^^^^^^^^^^^^^^^ help: try: `u64::from(bytes[i])`
[INFO] [stderr] ...
[INFO] [stderr] 164 | impl_decodable_for_u!(u64);
[INFO] [stderr]     | --------------------------- in this macro invocation
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#cast_lossless
[INFO] [stderr] 
[INFO] [stderr] warning: unneeded unit return type
[INFO] [stderr]    --> src/stream.rs:299:53
[INFO] [stderr]     |
[INFO] [stderr] 299 |     fn note_appended(&mut self, inserted_items: usize) -> () {
[INFO] [stderr]     |                                                        ^^^^^ help: remove the `-> ()`
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(clippy::unused_unit)] on by default
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#unused_unit
[INFO] [stderr] 
[INFO] [stderr] warning: you seem to be trying to match on a boolean expression
[INFO] [stderr]    --> src/rlpin.rs:163:3
[INFO] [stderr]     |
[INFO] [stderr] 163 |           match self.is_list() {
[INFO] [stderr]     |  _________^
[INFO] [stderr] 164 | |             true => match self.count_cache.get() {
[INFO] [stderr] 165 | |                 Some(c) => Ok(c),
[INFO] [stderr] 166 | |                 None => {
[INFO] [stderr] ...   |
[INFO] [stderr] 172 | |             false => Err(DecoderError::RlpExpectedToBeList),
[INFO] [stderr] 173 | |         }
[INFO] [stderr]     | |_________^
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(clippy::match_bool)] on by default
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#match_bool
[INFO] [stderr] help: consider using an if/else expression
[INFO] [stderr]     |
[INFO] [stderr] 163 |         if self.is_list() { match self.count_cache.get() {
[INFO] [stderr] 164 |     Some(c) => Ok(c),
[INFO] [stderr] 165 |     None => {
[INFO] [stderr] 166 |         let c = self.iter().count();
[INFO] [stderr] 167 |         self.count_cache.set(Some(c));
[INFO] [stderr] 168 |         Ok(c)
[INFO] [stderr]   ...
[INFO] [stderr] 
[INFO] [stderr] warning: you seem to be trying to match on a boolean expression
[INFO] [stderr]    --> src/rlpin.rs:177:3
[INFO] [stderr]     |
[INFO] [stderr] 177 |           match self.is_data() {
[INFO] [stderr]     |  _________^
[INFO] [stderr] 178 | |             // TODO: No panic on malformed data, but ideally would Err on no PayloadInfo.
[INFO] [stderr] 179 | |             true => BasicDecoder::payload_info(self.bytes).map(|b| b.value_len).unwrap_or(0),
[INFO] [stderr] 180 | |             false => 0
[INFO] [stderr] 181 | |         }
[INFO] [stderr]     | |_________^ help: consider using an if/else expression: `if self.is_data() { BasicDecoder::payload_info(self.bytes).map(|b| b.value_len).unwrap_or(0) } else { 0 }`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#match_bool
[INFO] [stderr] 
[INFO] [stderr] warning: length comparison to zero
[INFO] [stderr]    --> src/rlpin.rs:214:3
[INFO] [stderr]     |
[INFO] [stderr] 214 |         self.bytes.len() == 0
[INFO] [stderr]     |         ^^^^^^^^^^^^^^^^^^^^^ help: using `is_empty` is clearer and more explicit: `self.bytes.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: you seem to be trying to match on a boolean expression
[INFO] [stderr]    --> src/rlpin.rs:293:3
[INFO] [stderr]     |
[INFO] [stderr] 293 |           match bytes.len() >= len {
[INFO] [stderr]     |  _________^
[INFO] [stderr] 294 | |             true => Ok(&bytes[len..]),
[INFO] [stderr] 295 | |             false => Err(DecoderError::RlpIsTooShort)
[INFO] [stderr] 296 | |         }
[INFO] [stderr]     | |_________^ help: consider using an if/else expression: `if bytes.len() >= len { Ok(&bytes[len..]) } else { Err(DecoderError::RlpIsTooShort) }`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#match_bool
[INFO] [stderr] 
[INFO] [stderr] warning: item `stream::RlpStream` has a public `len` method but no corresponding `is_empty` method
[INFO] [stderr]    --> src/stream.rs:43:1
[INFO] [stderr]     |
[INFO] [stderr] 43  | / impl RlpStream {
[INFO] [stderr] 44  | |     /// Initializes instance of empty `Stream`.
[INFO] [stderr] 45  | |     pub fn new() -> Self {
[INFO] [stderr] 46  | |         RlpStream {
[INFO] [stderr] ...   |
[INFO] [stderr] 339 | |     }
[INFO] [stderr] 340 | | }
[INFO] [stderr]     | |_^
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(clippy::len_without_is_empty)] on by default
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#len_without_is_empty
[INFO] [stderr] 
[INFO] [stderr] warning: explicit lifetimes given in parameter types where they could be elided (or replaced with `'_` if needed by type declaration)
[INFO] [stderr]    --> src/stream.rs:136:2
[INFO] [stderr]     |
[INFO] [stderr] 136 |       pub fn append_iter<'a, I>(&'a mut self, value: I) -> &'a mut Self
[INFO] [stderr]     |  _____^
[INFO] [stderr] 137 | |     where I: IntoIterator<Item = u8>,
[INFO] [stderr] 138 | |     {
[INFO] [stderr] 139 | |         self.finished_list = false;
[INFO] [stderr] ...   |
[INFO] [stderr] 144 | |         self
[INFO] [stderr] 145 | |     }
[INFO] [stderr]     | |_____^
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(clippy::needless_lifetimes)] on by default
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_lifetimes
[INFO] [stderr] 
[INFO] [stderr] warning: explicit lifetimes given in parameter types where they could be elided (or replaced with `'_` if needed by type declaration)
[INFO] [stderr]    --> src/stream.rs:222:2
[INFO] [stderr]     |
[INFO] [stderr] 222 |       pub fn estimate_size<'a>(&'a self, add: usize) -> usize {
[INFO] [stderr]     |  _____^
[INFO] [stderr] 223 | |         let total_size = self.buffer.len() + add;
[INFO] [stderr] 224 | |         let mut base_size = total_size;
[INFO] [stderr] 225 | |         for list in &self.unfinished_lists[..] {
[INFO] [stderr] ...   |
[INFO] [stderr] 233 | |         base_size
[INFO] [stderr] 234 | |     }
[INFO] [stderr]     | |_____^
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_lifetimes
[INFO] [stderr] 
[INFO] [stderr] warning: explicit lifetimes given in parameter types where they could be elided (or replaced with `'_` if needed by type declaration)
[INFO] [stderr]    --> src/stream.rs:237:2
[INFO] [stderr]     |
[INFO] [stderr] 237 |       pub fn len<'a>(&'a self) -> usize {
[INFO] [stderr]     |  _____^
[INFO] [stderr] 238 | |         self.estimate_size(0)
[INFO] [stderr] 239 | |     }
[INFO] [stderr]     | |_____^
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_lifetimes
[INFO] [stderr] 
[INFO] [stderr] warning: length comparison to zero
[INFO] [stderr]    --> src/stream.rs:279:3
[INFO] [stderr]     |
[INFO] [stderr] 279 |         self.unfinished_lists.len() == 0
[INFO] [stderr]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: using `is_empty` is clearer and more explicit: `self.unfinished_lists.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 seem to be trying to match on a boolean expression
[INFO] [stderr]    --> src/stream.rs:292:3
[INFO] [stderr]     |
[INFO] [stderr] 292 |           match self.is_finished() {
[INFO] [stderr]     |  _________^
[INFO] [stderr] 293 | |             true => self.buffer,
[INFO] [stderr] 294 | |             false => panic!()
[INFO] [stderr] 295 | |         }
[INFO] [stderr]     | |_________^ help: consider using an if/else expression: `if self.is_finished() { self.buffer } else { panic!() }`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#match_bool
[INFO] [stderr] 
[INFO] [stderr] warning: length comparison to zero
[INFO] [stderr]    --> src/stream.rs:300:6
[INFO] [stderr]     |
[INFO] [stderr] 300 |         if self.unfinished_lists.len() == 0 {
[INFO] [stderr]     |            ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: using `is_empty` is clearer and more explicit: `self.unfinished_lists.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: the loop variable `i` is used to index `bytes`
[INFO] [stderr]   --> src/impls.rs:23:13
[INFO] [stderr]    |
[INFO] [stderr] 23 |             for i in 0..l {
[INFO] [stderr]    |                      ^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(clippy::needless_range_loop)] on by default
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_range_loop
[INFO] [stderr] help: consider using an iterator
[INFO] [stderr]    |
[INFO] [stderr] 23 |             for (i, <item>) in bytes.iter().enumerate().take(l) {
[INFO] [stderr]    |                 ^^^^^^^^^^^    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: manual implementation of an assign operation
[INFO] [stderr]   --> src/impls.rs:25:5
[INFO] [stderr]    |
[INFO] [stderr] 25 |                 res = res + ((bytes[i] as usize) << shift);
[INFO] [stderr]    |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: replace it with: `res += ((bytes[i] as usize) << shift)`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(clippy::assign_op_pattern)] on by default
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#assign_op_pattern
[INFO] [stderr] 
[INFO] [stderr] warning: casting u8 to u16 may become silently lossy if types change
[INFO] [stderr]    --> src/impls.rs:138:40
[INFO] [stderr]     |
[INFO] [stderr] 138 |                         0 | 1 => u8::decode(rlp).map(|v| v as $name),
[INFO] [stderr]     |                                                          ^^^^^^^^^^ help: try: `u16::from(v)`
[INFO] [stderr] ...
[INFO] [stderr] 162 | impl_decodable_for_u!(u16);
[INFO] [stderr]     | --------------------------- in this macro invocation
[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: manual implementation of an assign operation
[INFO] [stderr]    --> src/impls.rs:146:9
[INFO] [stderr]     |
[INFO] [stderr] 146 |                                 res = res + ((bytes[i] as $name) << shift);
[INFO] [stderr]     |                                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: replace it with: `res += ((bytes[i] as $name) << shift)`
[INFO] [stderr] ...
[INFO] [stderr] 162 | impl_decodable_for_u!(u16);
[INFO] [stderr]     | --------------------------- in this macro invocation
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#assign_op_pattern
[INFO] [stderr] 
[INFO] [stderr] warning: casting u8 to u16 may become silently lossy if types change
[INFO] [stderr]    --> src/impls.rs:146:22
[INFO] [stderr]     |
[INFO] [stderr] 146 |                                 res = res + ((bytes[i] as $name) << shift);
[INFO] [stderr]     |                                              ^^^^^^^^^^^^^^^^^^^ help: try: `u16::from(bytes[i])`
[INFO] [stderr] ...
[INFO] [stderr] 162 | impl_decodable_for_u!(u16);
[INFO] [stderr]     | --------------------------- in this macro invocation
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#cast_lossless
[INFO] [stderr] 
[INFO] [stderr] warning: casting u8 to u32 may become silently lossy if types change
[INFO] [stderr]    --> src/impls.rs:138:40
[INFO] [stderr]     |
[INFO] [stderr] 138 |                         0 | 1 => u8::decode(rlp).map(|v| v as $name),
[INFO] [stderr]     |                                                          ^^^^^^^^^^ help: try: `u32::from(v)`
[INFO] [stderr] ...
[INFO] [stderr] 163 | impl_decodable_for_u!(u32);
[INFO] [stderr]     | --------------------------- in this macro invocation
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#cast_lossless
[INFO] [stderr] 
[INFO] [stderr] warning: manual implementation of an assign operation
[INFO] [stderr]    --> src/impls.rs:146:9
[INFO] [stderr]     |
[INFO] [stderr] 146 |                                 res = res + ((bytes[i] as $name) << shift);
[INFO] [stderr]     |                                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: replace it with: `res += ((bytes[i] as $name) << shift)`
[INFO] [stderr] ...
[INFO] [stderr] 163 | impl_decodable_for_u!(u32);
[INFO] [stderr]     | --------------------------- in this macro invocation
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#assign_op_pattern
[INFO] [stderr] 
[INFO] [stderr] warning: casting u8 to u32 may become silently lossy if types change
[INFO] [stderr]    --> src/impls.rs:146:22
[INFO] [stderr]     |
[INFO] [stderr] 146 |                                 res = res + ((bytes[i] as $name) << shift);
[INFO] [stderr]     |                                              ^^^^^^^^^^^^^^^^^^^ help: try: `u32::from(bytes[i])`
[INFO] [stderr] ...
[INFO] [stderr] 163 | impl_decodable_for_u!(u32);
[INFO] [stderr]     | --------------------------- in this macro invocation
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#cast_lossless
[INFO] [stderr] 
[INFO] [stderr] warning: casting u8 to u64 may become silently lossy if types change
[INFO] [stderr]    --> src/impls.rs:138:40
[INFO] [stderr]     |
[INFO] [stderr] 138 |                         0 | 1 => u8::decode(rlp).map(|v| v as $name),
[INFO] [stderr]     |                                                          ^^^^^^^^^^ help: try: `u64::from(v)`
[INFO] [stderr] ...
[INFO] [stderr] 164 | impl_decodable_for_u!(u64);
[INFO] [stderr]     | --------------------------- in this macro invocation
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#cast_lossless
[INFO] [stderr] 
[INFO] [stderr] warning: manual implementation of an assign operation
[INFO] [stderr]    --> src/impls.rs:146:9
[INFO] [stderr]     |
[INFO] [stderr] 146 |                                 res = res + ((bytes[i] as $name) << shift);
[INFO] [stderr]     |                                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: replace it with: `res += ((bytes[i] as $name) << shift)`
[INFO] [stderr] ...
[INFO] [stderr] 164 | impl_decodable_for_u!(u64);
[INFO] [stderr]     | --------------------------- in this macro invocation
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#assign_op_pattern
[INFO] [stderr] 
[INFO] [stderr] warning: casting u8 to u64 may become silently lossy if types change
[INFO] [stderr]    --> src/impls.rs:146:22
[INFO] [stderr]     |
[INFO] [stderr] 146 |                                 res = res + ((bytes[i] as $name) << shift);
[INFO] [stderr]     |                                              ^^^^^^^^^^^^^^^^^^^ help: try: `u64::from(bytes[i])`
[INFO] [stderr] ...
[INFO] [stderr] 164 | impl_decodable_for_u!(u64);
[INFO] [stderr]     | --------------------------- in this macro invocation
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#cast_lossless
[INFO] [stderr] 
[INFO] [stderr] error[E0554]: #![feature] may not be used on the stable release channel
[INFO] [stderr]   --> benches/rlp.rs:15:1
[INFO] [stderr]    |
[INFO] [stderr] 15 | #![feature(test)]
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to previous error
[INFO] [stderr] 
[INFO] [stderr] For more information about this error, try `rustc --explain E0554`.
[INFO] [stderr] error: Could not compile `rlp`.
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] warning: long literal lacking separators
[INFO] [stderr]    --> tests/tests.rs:122:13
[INFO] [stderr]     |
[INFO] [stderr] 122 |         ETestPair(0xffffff, vec![0x83, 0xff, 0xff, 0xff]),
[INFO] [stderr]     |                   ^^^^^^^^ help: consider: `0x00ff_ffff`
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(clippy::unreadable_literal)] on by default
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#unreadable_literal
[INFO] [stderr] 
[INFO] [stderr] warning: long literal lacking separators
[INFO] [stderr]    --> tests/tests.rs:131:13
[INFO] [stderr]     |
[INFO] [stderr] 131 |         ETestPair(0x1000000, vec![0x84, 0x01, 0x00, 0x00, 0x00]),
[INFO] [stderr]     |                   ^^^^^^^^^ help: consider: `0x0100_0000`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#unreadable_literal
[INFO] [stderr] 
[INFO] [stderr] warning: long literal lacking separators
[INFO] [stderr]    --> tests/tests.rs:132:13
[INFO] [stderr]     |
[INFO] [stderr] 132 |         ETestPair(0xFFFFFFFF, vec![0x84, 0xff, 0xff, 0xff, 0xff]),
[INFO] [stderr]     |                   ^^^^^^^^^^ help: consider: `0xFFFF_FFFF`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#unreadable_literal
[INFO] [stderr] 
[INFO] [stderr] warning: long literal lacking separators
[INFO] [stderr]    --> tests/tests.rs:141:28
[INFO] [stderr]     |
[INFO] [stderr] 141 |                      ETestPair(U256::from(0x1000000u64), vec![0x84, 0x01, 0x00, 0x00, 0x00]),
[INFO] [stderr]     |                                           ^^^^^^^^^^^^ help: consider: `0x0100_0000u64`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#unreadable_literal
[INFO] [stderr] 
[INFO] [stderr] warning: long literal lacking separators
[INFO] [stderr]    --> tests/tests.rs:142:28
[INFO] [stderr]     |
[INFO] [stderr] 142 |                      ETestPair(U256::from(0xffffffffu64),
[INFO] [stderr]     |                                           ^^^^^^^^^^^^^ help: consider: `0xffff_ffffu64`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#unreadable_literal
[INFO] [stderr] 
[INFO] [stderr] warning: long literal lacking separators
[INFO] [stderr]    --> tests/tests.rs:200:19
[INFO] [stderr]     |
[INFO] [stderr] 200 |         VETestPair(vec![0xffffffff, 1, 2, 3, 7, 0xff], vec![0xcb, 0x84, 0xff, 0xff, 0xff, 0xff,  1, 2, 3, 7, 0x81, 0xff]),
[INFO] [stderr]     |                         ^^^^^^^^^^ help: consider: `0xffff_ffff`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#unreadable_literal
[INFO] [stderr] 
[INFO] [stderr] warning: long literal lacking separators
[INFO] [stderr]    --> tests/tests.rs:267:13
[INFO] [stderr]     |
[INFO] [stderr] 267 |         DTestPair(0xffffffu32, vec![0x83, 0xff, 0xff, 0xff]),
[INFO] [stderr]     |                   ^^^^^^^^^^^ help: consider: `0x00ff_ffffu32`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#unreadable_literal
[INFO] [stderr] 
[INFO] [stderr] warning: long literal lacking separators
[INFO] [stderr]    --> tests/tests.rs:275:13
[INFO] [stderr]     |
[INFO] [stderr] 275 |         DTestPair(0x1000000u64, vec![0x84, 0x01, 0x00, 0x00, 0x00]),
[INFO] [stderr]     |                   ^^^^^^^^^^^^ help: consider: `0x0100_0000u64`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#unreadable_literal
[INFO] [stderr] 
[INFO] [stderr] warning: long literal lacking separators
[INFO] [stderr]    --> tests/tests.rs:276:13
[INFO] [stderr]     |
[INFO] [stderr] 276 |         DTestPair(0xFFFFFFFFu64, vec![0x84, 0xff, 0xff, 0xff, 0xff]),
[INFO] [stderr]     |                   ^^^^^^^^^^^^^ help: consider: `0xFFFF_FFFFu64`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#unreadable_literal
[INFO] [stderr] 
[INFO] [stderr] warning: long literal lacking separators
[INFO] [stderr]    --> tests/tests.rs:285:28
[INFO] [stderr]     |
[INFO] [stderr] 285 |                      DTestPair(U256::from(0x1000000u64), vec![0x84, 0x01, 0x00, 0x00, 0x00]),
[INFO] [stderr]     |                                           ^^^^^^^^^^^^ help: consider: `0x0100_0000u64`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#unreadable_literal
[INFO] [stderr] 
[INFO] [stderr] warning: long literal lacking separators
[INFO] [stderr]    --> tests/tests.rs:286:28
[INFO] [stderr]     |
[INFO] [stderr] 286 |                      DTestPair(U256::from(0xffffffffu64),
[INFO] [stderr]     |                                           ^^^^^^^^^^^^^ help: consider: `0xffff_ffffu64`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#unreadable_literal
[INFO] [stderr] 
[INFO] [stderr] warning: long literal lacking separators
[INFO] [stderr]    --> tests/tests.rs:334:19
[INFO] [stderr]     |
[INFO] [stderr] 334 |         VDTestPair(vec![0xffffffff, 1, 2, 3, 7, 0xff], vec![0xcb, 0x84, 0xff, 0xff, 0xff, 0xff,  1, 2, 3, 7, 0x81, 0xff]),
[INFO] [stderr]     |                         ^^^^^^^^^^ help: consider: `0xffff_ffff`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#unreadable_literal
[INFO] [stderr] 
[INFO] [stderr] warning: useless use of `vec!`
[INFO] [stderr]    --> tests/tests.rs:450:12
[INFO] [stderr]     |
[INFO] [stderr] 450 |         Rlp::new(&vec![0xc0 + 4, 0xb7 + 1, 2, b'a', b'b']).val_at::<String>(0),
[INFO] [stderr]     |                  ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: you can use a slice directly: `&[0xc0 + 4, 0xb7 + 1, 2, b'a', b'b']`
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(clippy::useless_vec)] on by default
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#useless_vec
[INFO] [stderr] 
[INFO] [stderr] warning: useless use of `vec!`
[INFO] [stderr]    --> tests/tests.rs:451:12
[INFO] [stderr]     |
[INFO] [stderr] 451 |         Rlp::new(&vec![0xc0 + 3, 0x82, b'a', b'b']).val_at::<String>(0)
[INFO] [stderr]     |                  ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: you can use a slice directly: `&[0xc0 + 3, 0x82, b'a', b'b']`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#useless_vec
[INFO] [stderr] 
[INFO] [stderr] warning: useless use of `vec!`
[INFO] [stderr]    --> tests/tests.rs:455:12
[INFO] [stderr]     |
[INFO] [stderr] 455 |         Rlp::new(&vec![0xc0 + 4, 0xb7 + 1, 2, b'a', b'b']).val_at::<String>(0),
[INFO] [stderr]     |                  ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: you can use a slice directly: `&[0xc0 + 4, 0xb7 + 1, 2, b'a', b'b']`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#useless_vec
[INFO] [stderr] 
[INFO] [stderr] warning: useless use of `vec!`
[INFO] [stderr]    --> tests/tests.rs:466:12
[INFO] [stderr]     |
[INFO] [stderr] 466 |         Rlp::new(&vec![0xc0 + 3, 0x82, b'a', b'b']).val_at::<String>(0),
[INFO] [stderr]     |                  ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: you can use a slice directly: `&[0xc0 + 3, 0x82, b'a', b'b']`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#useless_vec
[INFO] [stderr] 
[INFO] [stderr] warning: useless use of `vec!`
[INFO] [stderr]    --> tests/tests.rs:467:12
[INFO] [stderr]     |
[INFO] [stderr] 467 |         Rlp::new(&vec![0xf7 + 1, 3, 0x82, b'a', b'b']).val_at::<String>(0)
[INFO] [stderr]     |                  ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: you can use a slice directly: `&[0xf7 + 1, 3, 0x82, b'a', b'b']`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#useless_vec
[INFO] [stderr] 
[INFO] [stderr] warning: useless use of `vec!`
[INFO] [stderr]    --> tests/tests.rs:471:12
[INFO] [stderr]     |
[INFO] [stderr] 471 |         Rlp::new(&vec![0xf7 + 1, 3, 0x82, b'a', b'b']).val_at::<String>(0),
[INFO] [stderr]     |                  ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: you can use a slice directly: `&[0xf7 + 1, 3, 0x82, b'a', b'b']`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#useless_vec
[INFO] [stderr] 
[INFO] [stderr] warning: useless use of `vec!`
[INFO] [stderr]    --> tests/tests.rs:481:22
[INFO] [stderr]     |
[INFO] [stderr] 481 |     assert_eq!(Rlp::new(&vec![0xc0 + 0, 0x82, b'a', b'b']).val_at::<String>(0), Err(DecoderError::RlpIsTooShort));
[INFO] [stderr]     |                         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: you can use a slice directly: `&[0xc0 + 0, 0x82, b'a', b'b']`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#useless_vec
[INFO] [stderr] 
[INFO] [stderr] warning: the operation is ineffective. Consider reducing it to `0xc0`
[INFO] [stderr]    --> tests/tests.rs:481:28
[INFO] [stderr]     |
[INFO] [stderr] 481 |     assert_eq!(Rlp::new(&vec![0xc0 + 0, 0x82, b'a', b'b']).val_at::<String>(0), Err(DecoderError::RlpIsTooShort));
[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: useless use of `vec!`
[INFO] [stderr]    --> tests/tests.rs:482:22
[INFO] [stderr]     |
[INFO] [stderr] 482 |     assert_eq!(Rlp::new(&vec![0xc0 + 1, 0x82, b'a', b'b']).val_at::<String>(0), Err(DecoderError::RlpIsTooShort));
[INFO] [stderr]     |                         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: you can use a slice directly: `&[0xc0 + 1, 0x82, b'a', b'b']`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#useless_vec
[INFO] [stderr] 
[INFO] [stderr] warning: useless use of `vec!`
[INFO] [stderr]    --> tests/tests.rs:483:22
[INFO] [stderr]     |
[INFO] [stderr] 483 |     assert_eq!(Rlp::new(&vec![0xc0 + 2, 0x82, b'a', b'b']).val_at::<String>(0), Err(DecoderError::RlpIsTooShort));
[INFO] [stderr]     |                         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: you can use a slice directly: `&[0xc0 + 2, 0x82, b'a', b'b']`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#useless_vec
[INFO] [stderr] 
[INFO] [stderr] warning: useless use of `vec!`
[INFO] [stderr]    --> tests/tests.rs:484:22
[INFO] [stderr]     |
[INFO] [stderr] 484 |     assert_eq!(Rlp::new(&vec![0xc0 + 3, 0x82, b'a', b'b']).val_at::<String>(0), Ok("ab".to_owned()));
[INFO] [stderr]     |                         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: you can use a slice directly: `&[0xc0 + 3, 0x82, b'a', b'b']`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#useless_vec
[INFO] [stderr] 
[INFO] [stderr] warning: useless use of `vec!`
[INFO] [stderr]    --> tests/tests.rs:485:22
[INFO] [stderr]     |
[INFO] [stderr] 485 |     assert_eq!(Rlp::new(&vec![0xc0 + 4, 0x82, b'a', b'b']).val_at::<String>(0), Err(DecoderError::RlpIsTooShort));
[INFO] [stderr]     |                         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: you can use a slice directly: `&[0xc0 + 4, 0x82, b'a', b'b']`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#useless_vec
[INFO] [stderr] 
[INFO] [stderr] error: build failed
[INFO] running `"docker" "inspect" "f60006ac85e824e829433164b18d388e6b7a7e0f69702e946b77e9ac71a78116"`
[INFO] running `"docker" "rm" "-f" "f60006ac85e824e829433164b18d388e6b7a7e0f69702e946b77e9ac71a78116"`
[INFO] [stdout] f60006ac85e824e829433164b18d388e6b7a7e0f69702e946b77e9ac71a78116