[INFO] updating cached repository cactorium/msp430-musical-quine
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/cactorium/msp430-musical-quine
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/cactorium/msp430-musical-quine" "work/ex/clippy-test-run/sources/stable/gh/cactorium/msp430-musical-quine"`
[INFO] [stderr] Cloning into 'work/ex/clippy-test-run/sources/stable/gh/cactorium/msp430-musical-quine'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/cactorium/msp430-musical-quine" "work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/gh/cactorium/msp430-musical-quine"`
[INFO] [stderr] Cloning into 'work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/gh/cactorium/msp430-musical-quine'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] e564b8921da2cc43f50e674d63c729750ea0646c
[INFO] sha for GitHub repo cactorium/msp430-musical-quine: e564b8921da2cc43f50e674d63c729750ea0646c
[INFO] validating manifest of cactorium/msp430-musical-quine 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 cactorium/msp430-musical-quine 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 cactorium/msp430-musical-quine
[INFO] finished frobbing cactorium/msp430-musical-quine
[INFO] frobbed toml for cactorium/msp430-musical-quine written to work/ex/clippy-test-run/sources/stable/gh/cactorium/msp430-musical-quine/Cargo.toml
[INFO] started frobbing cactorium/msp430-musical-quine
[INFO] finished frobbing cactorium/msp430-musical-quine
[INFO] frobbed toml for cactorium/msp430-musical-quine written to work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/gh/cactorium/msp430-musical-quine/Cargo.toml
[INFO] crate cactorium/msp430-musical-quine 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 cactorium/msp430-musical-quine 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-1/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/cactorium/msp430-musical-quine:/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] 08e9e8336709f1a918dcdf693d020e3d04cab4ed555cb3a772719175bc7af641
[INFO] running `"docker" "start" "-a" "08e9e8336709f1a918dcdf693d020e3d04cab4ed555cb3a772719175bc7af641"`
[INFO] [stderr]     Checking quine v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: redundant field names in struct initialization
[INFO] [stderr]    --> src/main.rs:245:9
[INFO] [stderr]     |
[INFO] [stderr] 245 |         root: root
[INFO] [stderr]     |         ^^^^^^^^^^ help: replace it with: `root`
[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: using `println!("")`
[INFO] [stderr]    --> src/main.rs:504:5
[INFO] [stderr]     |
[INFO] [stderr] 504 |     println!("");
[INFO] [stderr]     |     ^^^^^^^^^^^^ help: replace it with: `println!()`
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(clippy::println_empty_string)] on by default
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#println_empty_string
[INFO] [stderr] 
[INFO] [stderr] warning: redundant field names in struct initialization
[INFO] [stderr]    --> src/main.rs:245:9
[INFO] [stderr]     |
[INFO] [stderr] 245 |         root: root
[INFO] [stderr]     |         ^^^^^^^^^^ help: replace it with: `root`
[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: using `println!("")`
[INFO] [stderr]    --> src/main.rs:504:5
[INFO] [stderr]     |
[INFO] [stderr] 504 |     println!("");
[INFO] [stderr]     |     ^^^^^^^^^^^^ help: replace it with: `println!()`
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(clippy::println_empty_string)] on by default
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#println_empty_string
[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/main.rs:41:5
[INFO] [stderr]    |
[INFO] [stderr] 41 | /     fn offset<'a>(&'a self, off: usize) -> Option<RingBufferIter<'a>> {
[INFO] [stderr] 42 | |         if off <= self.len {
[INFO] [stderr] 43 | |             Some(RingBufferIter {
[INFO] [stderr] 44 | |                 me: self,
[INFO] [stderr] ...  |
[INFO] [stderr] 49 | |         }
[INFO] [stderr] 50 | |     }
[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: manual implementation of an assign operation
[INFO] [stderr]   --> src/main.rs:56:9
[INFO] [stderr]    |
[INFO] [stderr] 56 |         self.len = self.len + s.len();
[INFO] [stderr]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: replace it with: `self.len += s.len()`
[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: manual implementation of an assign operation
[INFO] [stderr]   --> src/main.rs:65:9
[INFO] [stderr]    |
[INFO] [stderr] 65 |         self.len = self.len + 1;
[INFO] [stderr]    |         ^^^^^^^^^^^^^^^^^^^^^^^ help: replace it with: `self.len += 1`
[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: this boolean expression can be simplified
[INFO] [stderr]   --> src/main.rs:91:20
[INFO] [stderr]    |
[INFO] [stderr] 91 |                 if !iter.peek().is_none() {
[INFO] [stderr]    |                    ^^^^^^^^^^^^^^^^^^^^^^ help: try: `iter.peek().is_some()`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(clippy::nonminimal_bool)] on by default
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#nonminimal_bool
[INFO] [stderr] 
[INFO] [stderr] warning: an inclusive range would be more readable
[INFO] [stderr]    --> src/main.rs:117:40
[INFO] [stderr]     |
[INFO] [stderr] 117 |                     window.push(&input[i..i+1]);
[INFO] [stderr]     |                                        ^^^^^^ help: use: `i..=i`
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(clippy::range_plus_one)] on by default
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#range_plus_one
[INFO] [stderr] 
[INFO] [stderr] warning: an inclusive range would be more readable
[INFO] [stderr]    --> src/main.rs:128:36
[INFO] [stderr]     |
[INFO] [stderr] 128 |                 window.push(&input[i..i+1]);
[INFO] [stderr]     |                                    ^^^^^^ help: use: `i..=i`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#range_plus_one
[INFO] [stderr] 
[INFO] [stderr] warning: you don't need to add `&` to all patterns
[INFO] [stderr]    --> src/main.rs:152:17
[INFO] [stderr]     |
[INFO] [stderr] 152 | /                 match input {
[INFO] [stderr] 153 | |                     &Symbol::Literal(c) => {
[INFO] [stderr] 154 | |                         Some(Some(StreamToken::Literal(c as u8)))
[INFO] [stderr] 155 | |                     },
[INFO] [stderr] ...   |
[INFO] [stderr] 167 | |                     },
[INFO] [stderr] 168 | |                 }
[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] 152 |                 match *input {
[INFO] [stderr] 153 |                     Symbol::Literal(c) => {
[INFO] [stderr] 154 |                         Some(Some(StreamToken::Literal(c as u8)))
[INFO] [stderr] 155 |                     },
[INFO] [stderr] 156 |                     Symbol::Offset(o) => {
[INFO] [stderr]     |
[INFO] [stderr] 
[INFO] [stderr] warning: you don't need to add `&` to all patterns
[INFO] [stderr]    --> src/main.rs:157:25
[INFO] [stderr]     |
[INFO] [stderr] 157 | /                         match next_input {
[INFO] [stderr] 158 | |                             &Symbol::Literal(l) => {
[INFO] [stderr] 159 | |                                 *skip_input = true;
[INFO] [stderr] 160 | |                                 Some(Some(StreamToken::OffsetLen(o as usize, l as usize)))
[INFO] [stderr] ...   |
[INFO] [stderr] 165 | |                             },
[INFO] [stderr] 166 | |                         }
[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] 157 |                         match *next_input {
[INFO] [stderr] 158 |                             Symbol::Literal(l) => {
[INFO] [stderr] 159 |                                 *skip_input = true;
[INFO] [stderr] 160 |                                 Some(Some(StreamToken::OffsetLen(o as usize, l as usize)))
[INFO] [stderr] 161 |                             }
[INFO] [stderr] 162 |                             Symbol::Offset(_) => {
[INFO] [stderr]     |
[INFO] [stderr] 
[INFO] [stderr] warning: you don't need to add `&` to all patterns
[INFO] [stderr]    --> src/main.rs:254:13
[INFO] [stderr]     |
[INFO] [stderr] 254 | /             match node {
[INFO] [stderr] 255 | |                 &Huffman::Branch(ref a, ref b) => {
[INFO] [stderr] 256 | |                     let mut prefixa = prefix.clone();
[INFO] [stderr] 257 | |                     let mut prefixb = prefix;
[INFO] [stderr] ...   |
[INFO] [stderr] 265 | |                 },
[INFO] [stderr] 266 | |             }
[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] 254 |             match *node {
[INFO] [stderr] 255 |                 Huffman::Branch(ref a, ref b) => {
[INFO] [stderr] 256 |                     let mut prefixa = prefix.clone();
[INFO] [stderr] 257 |                     let mut prefixb = prefix;
[INFO] [stderr] 258 |                     prefixa.push(false);
[INFO] [stderr] 259 |                     prefixb.push(true);
[INFO] [stderr]   ...
[INFO] [stderr] 
[INFO] [stderr] warning: you don't need to add `&` to all patterns
[INFO] [stderr]    --> src/main.rs:295:9
[INFO] [stderr]     |
[INFO] [stderr] 295 | /         match dict_pos {
[INFO] [stderr] 296 | |             &Huffman::Leaf(sym) => {
[INFO] [stderr] 297 | |                 ret.push(sym);
[INFO] [stderr] 298 | |                 dict_pos = &*dict.root;
[INFO] [stderr] ...   |
[INFO] [stderr] 309 | |             },
[INFO] [stderr] 310 | |         }
[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] 295 |         match *dict_pos {
[INFO] [stderr] 296 |             Huffman::Leaf(sym) => {
[INFO] [stderr] 297 |                 ret.push(sym);
[INFO] [stderr] 298 |                 dict_pos = &*dict.root;
[INFO] [stderr] 299 |             },
[INFO] [stderr] 300 |             Huffman::Branch(ref a, ref b) => {
[INFO] [stderr]     |
[INFO] [stderr] 
[INFO] [stderr] warning: you don't need to add `&` to all patterns
[INFO] [stderr]    --> src/main.rs:313:5
[INFO] [stderr]     |
[INFO] [stderr] 313 | /     match dict_pos {
[INFO] [stderr] 314 | |          &Huffman::Leaf(sym) => {
[INFO] [stderr] 315 | |             ret.push(sym);
[INFO] [stderr] 316 | |          },
[INFO] [stderr] 317 | |          _ => unreachable!("decoder reached EOS in wrong state"),
[INFO] [stderr] 318 | |     }
[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] 313 |     match *dict_pos {
[INFO] [stderr] 314 |          Huffman::Leaf(sym) => {
[INFO] [stderr]     |
[INFO] [stderr] 
[INFO] [stderr] warning: you don't need to add `&` to all patterns
[INFO] [stderr]    --> src/main.rs:391:9
[INFO] [stderr]     |
[INFO] [stderr] 391 | /         match node {
[INFO] [stderr] 392 | |             &Huffman::Branch(ref a, ref b) => {
[INFO] [stderr] 393 | |                 // push some temporary values to rewrite later
[INFO] [stderr] 394 | |                 buf.push(0);
[INFO] [stderr] ...   |
[INFO] [stderr] 410 | |             }
[INFO] [stderr] 411 | |         }
[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] 391 |         match *node {
[INFO] [stderr] 392 |             Huffman::Branch(ref a, ref b) => {
[INFO] [stderr] 393 |                 // push some temporary values to rewrite later
[INFO] [stderr] 394 |                 buf.push(0);
[INFO] [stderr] 395 |                 buf.push(0);
[INFO] [stderr] 396 |                 let aidx = recursively_traverse(buf, &*a);
[INFO] [stderr]   ...
[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/main.rs:41:5
[INFO] [stderr]    |
[INFO] [stderr] 41 | /     fn offset<'a>(&'a self, off: usize) -> Option<RingBufferIter<'a>> {
[INFO] [stderr] 42 | |         if off <= self.len {
[INFO] [stderr] 43 | |             Some(RingBufferIter {
[INFO] [stderr] 44 | |                 me: self,
[INFO] [stderr] ...  |
[INFO] [stderr] 49 | |         }
[INFO] [stderr] 50 | |     }
[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: manual implementation of an assign operation
[INFO] [stderr]   --> src/main.rs:56:9
[INFO] [stderr]    |
[INFO] [stderr] 56 |         self.len = self.len + s.len();
[INFO] [stderr]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: replace it with: `self.len += s.len()`
[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: manual implementation of an assign operation
[INFO] [stderr]   --> src/main.rs:65:9
[INFO] [stderr]    |
[INFO] [stderr] 65 |         self.len = self.len + 1;
[INFO] [stderr]    |         ^^^^^^^^^^^^^^^^^^^^^^^ help: replace it with: `self.len += 1`
[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: this boolean expression can be simplified
[INFO] [stderr]   --> src/main.rs:91:20
[INFO] [stderr]    |
[INFO] [stderr] 91 |                 if !iter.peek().is_none() {
[INFO] [stderr]    |                    ^^^^^^^^^^^^^^^^^^^^^^ help: try: `iter.peek().is_some()`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(clippy::nonminimal_bool)] on by default
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#nonminimal_bool
[INFO] [stderr] 
[INFO] [stderr] warning: an inclusive range would be more readable
[INFO] [stderr]    --> src/main.rs:117:40
[INFO] [stderr]     |
[INFO] [stderr] 117 |                     window.push(&input[i..i+1]);
[INFO] [stderr]     |                                        ^^^^^^ help: use: `i..=i`
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(clippy::range_plus_one)] on by default
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#range_plus_one
[INFO] [stderr] 
[INFO] [stderr] warning: an inclusive range would be more readable
[INFO] [stderr]    --> src/main.rs:128:36
[INFO] [stderr]     |
[INFO] [stderr] 128 |                 window.push(&input[i..i+1]);
[INFO] [stderr]     |                                    ^^^^^^ help: use: `i..=i`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#range_plus_one
[INFO] [stderr] 
[INFO] [stderr] warning: you don't need to add `&` to all patterns
[INFO] [stderr]    --> src/main.rs:152:17
[INFO] [stderr]     |
[INFO] [stderr] 152 | /                 match input {
[INFO] [stderr] 153 | |                     &Symbol::Literal(c) => {
[INFO] [stderr] 154 | |                         Some(Some(StreamToken::Literal(c as u8)))
[INFO] [stderr] 155 | |                     },
[INFO] [stderr] ...   |
[INFO] [stderr] 167 | |                     },
[INFO] [stderr] 168 | |                 }
[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] 152 |                 match *input {
[INFO] [stderr] 153 |                     Symbol::Literal(c) => {
[INFO] [stderr] 154 |                         Some(Some(StreamToken::Literal(c as u8)))
[INFO] [stderr] 155 |                     },
[INFO] [stderr] 156 |                     Symbol::Offset(o) => {
[INFO] [stderr]     |
[INFO] [stderr] 
[INFO] [stderr] warning: you don't need to add `&` to all patterns
[INFO] [stderr]    --> src/main.rs:157:25
[INFO] [stderr]     |
[INFO] [stderr] 157 | /                         match next_input {
[INFO] [stderr] 158 | |                             &Symbol::Literal(l) => {
[INFO] [stderr] 159 | |                                 *skip_input = true;
[INFO] [stderr] 160 | |                                 Some(Some(StreamToken::OffsetLen(o as usize, l as usize)))
[INFO] [stderr] ...   |
[INFO] [stderr] 165 | |                             },
[INFO] [stderr] 166 | |                         }
[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] 157 |                         match *next_input {
[INFO] [stderr] 158 |                             Symbol::Literal(l) => {
[INFO] [stderr] 159 |                                 *skip_input = true;
[INFO] [stderr] 160 |                                 Some(Some(StreamToken::OffsetLen(o as usize, l as usize)))
[INFO] [stderr] 161 |                             }
[INFO] [stderr] 162 |                             Symbol::Offset(_) => {
[INFO] [stderr]     |
[INFO] [stderr] 
[INFO] [stderr] warning: you don't need to add `&` to all patterns
[INFO] [stderr]    --> src/main.rs:254:13
[INFO] [stderr]     |
[INFO] [stderr] 254 | /             match node {
[INFO] [stderr] 255 | |                 &Huffman::Branch(ref a, ref b) => {
[INFO] [stderr] 256 | |                     let mut prefixa = prefix.clone();
[INFO] [stderr] 257 | |                     let mut prefixb = prefix;
[INFO] [stderr] ...   |
[INFO] [stderr] 265 | |                 },
[INFO] [stderr] 266 | |             }
[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] 254 |             match *node {
[INFO] [stderr] 255 |                 Huffman::Branch(ref a, ref b) => {
[INFO] [stderr] 256 |                     let mut prefixa = prefix.clone();
[INFO] [stderr] 257 |                     let mut prefixb = prefix;
[INFO] [stderr] 258 |                     prefixa.push(false);
[INFO] [stderr] 259 |                     prefixb.push(true);
[INFO] [stderr]   ...
[INFO] [stderr] 
[INFO] [stderr] warning: you don't need to add `&` to all patterns
[INFO] [stderr]    --> src/main.rs:295:9
[INFO] [stderr]     |
[INFO] [stderr] 295 | /         match dict_pos {
[INFO] [stderr] 296 | |             &Huffman::Leaf(sym) => {
[INFO] [stderr] 297 | |                 ret.push(sym);
[INFO] [stderr] 298 | |                 dict_pos = &*dict.root;
[INFO] [stderr] ...   |
[INFO] [stderr] 309 | |             },
[INFO] [stderr] 310 | |         }
[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] 295 |         match *dict_pos {
[INFO] [stderr] 296 |             Huffman::Leaf(sym) => {
[INFO] [stderr] 297 |                 ret.push(sym);
[INFO] [stderr] 298 |                 dict_pos = &*dict.root;
[INFO] [stderr] 299 |             },
[INFO] [stderr] 300 |             Huffman::Branch(ref a, ref b) => {
[INFO] [stderr]     |
[INFO] [stderr] 
[INFO] [stderr] warning: you don't need to add `&` to all patterns
[INFO] [stderr]    --> src/main.rs:313:5
[INFO] [stderr]     |
[INFO] [stderr] 313 | /     match dict_pos {
[INFO] [stderr] 314 | |          &Huffman::Leaf(sym) => {
[INFO] [stderr] 315 | |             ret.push(sym);
[INFO] [stderr] 316 | |          },
[INFO] [stderr] 317 | |          _ => unreachable!("decoder reached EOS in wrong state"),
[INFO] [stderr] 318 | |     }
[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] 313 |     match *dict_pos {
[INFO] [stderr] 314 |          Huffman::Leaf(sym) => {
[INFO] [stderr]     |
[INFO] [stderr] 
[INFO] [stderr] warning: you don't need to add `&` to all patterns
[INFO] [stderr]    --> src/main.rs:391:9
[INFO] [stderr]     |
[INFO] [stderr] 391 | /         match node {
[INFO] [stderr] 392 | |             &Huffman::Branch(ref a, ref b) => {
[INFO] [stderr] 393 | |                 // push some temporary values to rewrite later
[INFO] [stderr] 394 | |                 buf.push(0);
[INFO] [stderr] ...   |
[INFO] [stderr] 410 | |             }
[INFO] [stderr] 411 | |         }
[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] 391 |         match *node {
[INFO] [stderr] 392 |             Huffman::Branch(ref a, ref b) => {
[INFO] [stderr] 393 |                 // push some temporary values to rewrite later
[INFO] [stderr] 394 |                 buf.push(0);
[INFO] [stderr] 395 |                 buf.push(0);
[INFO] [stderr] 396 |                 let aidx = recursively_traverse(buf, &*a);
[INFO] [stderr]   ...
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.02s
[INFO] running `"docker" "inspect" "08e9e8336709f1a918dcdf693d020e3d04cab4ed555cb3a772719175bc7af641"`
[INFO] running `"docker" "rm" "-f" "08e9e8336709f1a918dcdf693d020e3d04cab4ed555cb3a772719175bc7af641"`
[INFO] [stdout] 08e9e8336709f1a918dcdf693d020e3d04cab4ed555cb3a772719175bc7af641