[INFO] cloning repository https://github.com/cactorium/msp430-musical-quine
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/cactorium/msp430-musical-quine" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcactorium%2Fmsp430-musical-quine", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcactorium%2Fmsp430-musical-quine'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] e564b8921da2cc43f50e674d63c729750ea0646c
[INFO] linting cactorium/msp430-musical-quine against nightly for clippy-nonminimal_bool-denied
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcactorium%2Fmsp430-musical-quine" "/workspace/builds/worker-4-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4-tc1/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/cactorium/msp430-musical-quine
[INFO] finished tweaking git repo https://github.com/cactorium/msp430-musical-quine
[INFO] tweaked toml for git repo https://github.com/cactorium/msp430-musical-quine written to /workspace/builds/worker-4-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/cactorium/msp430-musical-quine on toolchain nightly
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+nightly" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/cactorium/msp430-musical-quine already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+nightly" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr] warning: `package.edition` is unspecified, defaulting to `2015` while the latest is `2024`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+nightly" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 47e74b74baf2b314e819c432c0145b38c73ab7e9a6d4d26d4b78a20571fb1edc
[INFO] running `Command { std: "docker" "start" "-a" "47e74b74baf2b314e819c432c0145b38c73ab7e9a6d4d26d4b78a20571fb1edc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "47e74b74baf2b314e819c432c0145b38c73ab7e9a6d4d26d4b78a20571fb1edc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "47e74b74baf2b314e819c432c0145b38c73ab7e9a6d4d26d4b78a20571fb1edc", kill_on_drop: false }`
[INFO] [stdout] 47e74b74baf2b314e819c432c0145b38c73ab7e9a6d4d26d4b78a20571fb1edc
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+nightly" "clippy" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] d59a4d7bd6a077e9d18c372a8ab844732977d5ab87d3009f8b0baf830038007a
[INFO] running `Command { std: "docker" "start" "-a" "d59a4d7bd6a077e9d18c372a8ab844732977d5ab87d3009f8b0baf830038007a", kill_on_drop: false }`
[INFO] [stderr] warning: `package.edition` is unspecified, defaulting to `2015` while the latest is `2024`
[INFO] [stderr]     Checking quine v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: redundant field names in struct initialization
[INFO] [stdout]    --> src/main.rs:245:9
[INFO] [stdout]     |
[INFO] [stdout] 245 |         root: root
[INFO] [stdout]     |         ^^^^^^^^^^ help: replace it with: `root`
[INFO] [stdout]     |
[INFO] [stdout]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#redundant_field_names
[INFO] [stdout]     = note: `#[warn(clippy::redundant_field_names)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: redundant field names in struct initialization
[INFO] [stdout]    --> src/main.rs:245:9
[INFO] [stdout]     |
[INFO] [stdout] 245 |         root: root
[INFO] [stdout]     |         ^^^^^^^^^^ help: replace it with: `root`
[INFO] [stdout]     |
[INFO] [stdout]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#redundant_field_names
[INFO] [stdout]     = note: `#[warn(clippy::redundant_field_names)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: manual implementation of an assign operation
[INFO] [stdout]   --> src/main.rs:56:9
[INFO] [stdout]    |
[INFO] [stdout] 56 |         self.len = self.len + s.len();
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: replace it with: `self.len += s.len()`
[INFO] [stdout]    |
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#assign_op_pattern
[INFO] [stdout]    = note: `#[warn(clippy::assign_op_pattern)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: manual implementation of an assign operation
[INFO] [stdout]   --> src/main.rs:65:9
[INFO] [stdout]    |
[INFO] [stdout] 65 |         self.len = self.len + 1;
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^^^^^^ help: replace it with: `self.len += 1`
[INFO] [stdout]    |
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#assign_op_pattern
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `filter` for `Some` followed by `unwrap`
[INFO] [stdout]    --> src/main.rs:105:14
[INFO] [stdout]     |
[INFO] [stdout] 105 |               .filter(|x| x.is_some())
[INFO] [stdout]     |  ______________^
[INFO] [stdout] 106 | |             .map(|x| x.unwrap())
[INFO] [stdout]     | |________________________________^ help: consider using `flatten` instead: `flatten()`
[INFO] [stdout]     |
[INFO] [stdout]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#option_filter_map
[INFO] [stdout]     = note: `#[warn(clippy::option_filter_map)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: this boolean expression can be simplified
[INFO] [stdout]   --> src/main.rs:91:20
[INFO] [stdout]    |
[INFO] [stdout] 91 |                 if !iter.peek().is_none() {
[INFO] [stdout]    |                    ^^^^^^^^^^^^^^^^^^^^^^ help: try: `iter.peek().is_some()`
[INFO] [stdout]    |
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#nonminimal_bool
[INFO] [stdout]    = note: `#[warn(clippy::nonminimal_bool)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `filter` for `Some` followed by `unwrap`
[INFO] [stdout]    --> src/main.rs:171:10
[INFO] [stdout]     |
[INFO] [stdout] 171 |           .filter(|x| x.is_some())
[INFO] [stdout]     |  __________^
[INFO] [stdout] 172 | |         .map(|x| x.unwrap())
[INFO] [stdout]     | |____________________________^ help: consider using `flatten` instead: `flatten()`
[INFO] [stdout]     |
[INFO] [stdout]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#option_filter_map
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: you don't need to add `&` to all patterns
[INFO] [stdout]    --> src/main.rs:152:17
[INFO] [stdout]     |
[INFO] [stdout] 152 | /                 match input {
[INFO] [stdout] 153 | |                     &Symbol::Literal(c) => {
[INFO] [stdout] 154 | |                         Some(Some(StreamToken::Literal(c as u8)))
[INFO] [stdout] 155 | |                     },
[INFO] [stdout] ...   |
[INFO] [stdout] 167 | |                     },
[INFO] [stdout] 168 | |                 }
[INFO] [stdout]     | |_________________^
[INFO] [stdout]     |
[INFO] [stdout]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#match_ref_pats
[INFO] [stdout]     = note: `#[warn(clippy::match_ref_pats)]` on by default
[INFO] [stdout] help: instead of prefixing all patterns with `&`, you can dereference the expression
[INFO] [stdout]     |
[INFO] [stdout] 152 ~                 match *input {
[INFO] [stdout] 153 ~                     Symbol::Literal(c) => {
[INFO] [stdout] 154 |                         Some(Some(StreamToken::Literal(c as u8)))
[INFO] [stdout] 155 |                     },
[INFO] [stdout] 156 ~                     Symbol::Offset(o) => {
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: you don't need to add `&` to all patterns
[INFO] [stdout]    --> src/main.rs:157:25
[INFO] [stdout]     |
[INFO] [stdout] 157 | /                         match next_input {
[INFO] [stdout] 158 | |                             &Symbol::Literal(l) => {
[INFO] [stdout] 159 | |                                 *skip_input = true;
[INFO] [stdout] 160 | |                                 Some(Some(StreamToken::OffsetLen(o as usize, l as usize)))
[INFO] [stdout] ...   |
[INFO] [stdout] 165 | |                             },
[INFO] [stdout] 166 | |                         }
[INFO] [stdout]     | |_________________________^
[INFO] [stdout]     |
[INFO] [stdout]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#match_ref_pats
[INFO] [stdout] help: instead of prefixing all patterns with `&`, you can dereference the expression
[INFO] [stdout]     |
[INFO] [stdout] 157 ~                         match *next_input {
[INFO] [stdout] 158 ~                             Symbol::Literal(l) => {
[INFO] [stdout] 159 |                                 *skip_input = true;
[INFO] [stdout] 160 |                                 Some(Some(StreamToken::OffsetLen(o as usize, l as usize)))
[INFO] [stdout] 161 |                             }
[INFO] [stdout] 162 ~                             Symbol::Offset(_) => {
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: casting to the same type is unnecessary (`usize` -> `usize`)
[INFO] [stdout]    --> src/main.rs:160:66
[INFO] [stdout]     |
[INFO] [stdout] 160 | ...                   Some(Some(StreamToken::OffsetLen(o as usize, l as usize)))
[INFO] [stdout]     |                                                        ^^^^^^^^^^ help: try: `o`
[INFO] [stdout]     |
[INFO] [stdout]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#unnecessary_cast
[INFO] [stdout]     = note: `#[warn(clippy::unnecessary_cast)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: casting to the same type is unnecessary (`usize` -> `usize`)
[INFO] [stdout]    --> src/main.rs:160:78
[INFO] [stdout]     |
[INFO] [stdout] 160 | ...                   Some(Some(StreamToken::OffsetLen(o as usize, l as usize)))
[INFO] [stdout]     |                                                                    ^^^^^^^^^^ help: try: `l`
[INFO] [stdout]     |
[INFO] [stdout]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#unnecessary_cast
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: manual implementation of an assign operation
[INFO] [stdout]   --> src/main.rs:56:9
[INFO] [stdout]    |
[INFO] [stdout] 56 |         self.len = self.len + s.len();
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: replace it with: `self.len += s.len()`
[INFO] [stdout]    |
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#assign_op_pattern
[INFO] [stdout]    = note: `#[warn(clippy::assign_op_pattern)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: manual implementation of an assign operation
[INFO] [stdout]   --> src/main.rs:65:9
[INFO] [stdout]    |
[INFO] [stdout] 65 |         self.len = self.len + 1;
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^^^^^^ help: replace it with: `self.len += 1`
[INFO] [stdout]    |
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#assign_op_pattern
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `filter` for `Some` followed by `unwrap`
[INFO] [stdout]    --> src/main.rs:105:14
[INFO] [stdout]     |
[INFO] [stdout] 105 |               .filter(|x| x.is_some())
[INFO] [stdout]     |  ______________^
[INFO] [stdout] 106 | |             .map(|x| x.unwrap())
[INFO] [stdout]     | |________________________________^ help: consider using `flatten` instead: `flatten()`
[INFO] [stdout]     |
[INFO] [stdout]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#option_filter_map
[INFO] [stdout]     = note: `#[warn(clippy::option_filter_map)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: this boolean expression can be simplified
[INFO] [stdout]   --> src/main.rs:91:20
[INFO] [stdout]    |
[INFO] [stdout] 91 |                 if !iter.peek().is_none() {
[INFO] [stdout]    |                    ^^^^^^^^^^^^^^^^^^^^^^ help: try: `iter.peek().is_some()`
[INFO] [stdout]    |
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#nonminimal_bool
[INFO] [stdout]    = note: `#[warn(clippy::nonminimal_bool)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: you don't need to add `&` to all patterns
[INFO] [stdout]    --> src/main.rs:254:13
[INFO] [stdout]     |
[INFO] [stdout] 254 | /             match node {
[INFO] [stdout] 255 | |                 &Huffman::Branch(ref a, ref b) => {
[INFO] [stdout] 256 | |                     let mut prefixa = prefix.clone();
[INFO] [stdout] 257 | |                     let mut prefixb = prefix;
[INFO] [stdout] ...   |
[INFO] [stdout] 265 | |                 },
[INFO] [stdout] 266 | |             }
[INFO] [stdout]     | |_____________^
[INFO] [stdout]     |
[INFO] [stdout]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#match_ref_pats
[INFO] [stdout] help: instead of prefixing all patterns with `&`, you can dereference the expression
[INFO] [stdout]     |
[INFO] [stdout] 254 ~             match *node {
[INFO] [stdout] 255 ~                 Huffman::Branch(ref a, ref b) => {
[INFO] [stdout] 256 |                     let mut prefixa = prefix.clone();
[INFO] [stdout] ...
[INFO] [stdout] 262 |                 },
[INFO] [stdout] 263 ~                 Huffman::Leaf(sym) => {
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: dereferencing a tuple pattern where every element takes a reference
[INFO] [stdout]    --> src/main.rs:255:17
[INFO] [stdout]     |
[INFO] [stdout] 255 |                 &Huffman::Branch(ref a, ref b) => {
[INFO] [stdout]     |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_borrowed_reference
[INFO] [stdout]     = note: `#[warn(clippy::needless_borrowed_reference)]` on by default
[INFO] [stdout] help: try removing the `&` and `ref` parts
[INFO] [stdout]     |
[INFO] [stdout] 255 -                 &Huffman::Branch(ref a, ref b) => {
[INFO] [stdout] 255 +                 Huffman::Branch(a, b) => {
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: deref on an immutable reference
[INFO] [stdout]    --> src/main.rs:260:46
[INFO] [stdout]     |
[INFO] [stdout] 260 |                     recursively_map(prefixa, &*a, mapping);
[INFO] [stdout]     |                                              ^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#borrow_deref_ref
[INFO] [stdout]     = note: `#[warn(clippy::borrow_deref_ref)]` on by default
[INFO] [stdout] help: if you would like to reborrow, try removing `&*`
[INFO] [stdout]     |
[INFO] [stdout] 260 -                     recursively_map(prefixa, &*a, mapping);
[INFO] [stdout] 260 +                     recursively_map(prefixa, a, mapping);
[INFO] [stdout]     |
[INFO] [stdout] help: if you would like to deref, try using `&**`
[INFO] [stdout]     |
[INFO] [stdout] 260 |                     recursively_map(prefixa, &**a, mapping);
[INFO] [stdout]     |                                                +
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: deref on an immutable reference
[INFO] [stdout]    --> src/main.rs:261:46
[INFO] [stdout]     |
[INFO] [stdout] 261 |                     recursively_map(prefixb, &*b, mapping);
[INFO] [stdout]     |                                              ^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#borrow_deref_ref
[INFO] [stdout] help: if you would like to reborrow, try removing `&*`
[INFO] [stdout]     |
[INFO] [stdout] 261 -                     recursively_map(prefixb, &*b, mapping);
[INFO] [stdout] 261 +                     recursively_map(prefixb, b, mapping);
[INFO] [stdout]     |
[INFO] [stdout] help: if you would like to deref, try using `&**`
[INFO] [stdout]     |
[INFO] [stdout] 261 |                     recursively_map(prefixb, &**b, mapping);
[INFO] [stdout]     |                                                +
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `filter` for `Some` followed by `unwrap`
[INFO] [stdout]    --> src/main.rs:171:10
[INFO] [stdout]     |
[INFO] [stdout] 171 |           .filter(|x| x.is_some())
[INFO] [stdout]     |  __________^
[INFO] [stdout] 172 | |         .map(|x| x.unwrap())
[INFO] [stdout]     | |____________________________^ help: consider using `flatten` instead: `flatten()`
[INFO] [stdout]     |
[INFO] [stdout]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#option_filter_map
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: you don't need to add `&` to all patterns
[INFO] [stdout]    --> src/main.rs:152:17
[INFO] [stdout]     |
[INFO] [stdout] 152 | /                 match input {
[INFO] [stdout] 153 | |                     &Symbol::Literal(c) => {
[INFO] [stdout] 154 | |                         Some(Some(StreamToken::Literal(c as u8)))
[INFO] [stdout] 155 | |                     },
[INFO] [stdout] ...   |
[INFO] [stdout] 167 | |                     },
[INFO] [stdout] 168 | |                 }
[INFO] [stdout]     | |_________________^
[INFO] [stdout]     |
[INFO] [stdout]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#match_ref_pats
[INFO] [stdout]     = note: `#[warn(clippy::match_ref_pats)]` on by default
[INFO] [stdout] help: instead of prefixing all patterns with `&`, you can dereference the expression
[INFO] [stdout]     |
[INFO] [stdout] 152 ~                 match *input {
[INFO] [stdout] 153 ~                     Symbol::Literal(c) => {
[INFO] [stdout] 154 |                         Some(Some(StreamToken::Literal(c as u8)))
[INFO] [stdout] 155 |                     },
[INFO] [stdout] 156 ~                     Symbol::Offset(o) => {
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: you don't need to add `&` to all patterns
[INFO] [stdout]    --> src/main.rs:157:25
[INFO] [stdout]     |
[INFO] [stdout] 157 | /                         match next_input {
[INFO] [stdout] 158 | |                             &Symbol::Literal(l) => {
[INFO] [stdout] 159 | |                                 *skip_input = true;
[INFO] [stdout] 160 | |                                 Some(Some(StreamToken::OffsetLen(o as usize, l as usize)))
[INFO] [stdout] ...   |
[INFO] [stdout] 165 | |                             },
[INFO] [stdout] 166 | |                         }
[INFO] [stdout]     | |_________________________^
[INFO] [stdout]     |
[INFO] [stdout]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#match_ref_pats
[INFO] [stdout] help: instead of prefixing all patterns with `&`, you can dereference the expression
[INFO] [stdout]     |
[INFO] [stdout] 157 ~                         match *next_input {
[INFO] [stdout] 158 ~                             Symbol::Literal(l) => {
[INFO] [stdout] 159 |                                 *skip_input = true;
[INFO] [stdout] 160 |                                 Some(Some(StreamToken::OffsetLen(o as usize, l as usize)))
[INFO] [stdout] 161 |                             }
[INFO] [stdout] 162 ~                             Symbol::Offset(_) => {
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: casting to the same type is unnecessary (`usize` -> `usize`)
[INFO] [stdout]    --> src/main.rs:160:66
[INFO] [stdout]     |
[INFO] [stdout] 160 | ...                   Some(Some(StreamToken::OffsetLen(o as usize, l as usize)))
[INFO] [stdout]     |                                                        ^^^^^^^^^^ help: try: `o`
[INFO] [stdout]     |
[INFO] [stdout]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#unnecessary_cast
[INFO] [stdout]     = note: `#[warn(clippy::unnecessary_cast)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: casting to the same type is unnecessary (`usize` -> `usize`)
[INFO] [stdout]    --> src/main.rs:160:78
[INFO] [stdout]     |
[INFO] [stdout] 160 | ...                   Some(Some(StreamToken::OffsetLen(o as usize, l as usize)))
[INFO] [stdout]     |                                                                    ^^^^^^^^^^ help: try: `l`
[INFO] [stdout]     |
[INFO] [stdout]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#unnecessary_cast
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: you don't need to add `&` to all patterns
[INFO] [stdout]    --> src/main.rs:295:9
[INFO] [stdout]     |
[INFO] [stdout] 295 | /         match dict_pos {
[INFO] [stdout] 296 | |             &Huffman::Leaf(sym) => {
[INFO] [stdout] 297 | |                 ret.push(sym);
[INFO] [stdout] 298 | |                 dict_pos = &*dict.root;
[INFO] [stdout] ...   |
[INFO] [stdout] 309 | |             },
[INFO] [stdout] 310 | |         }
[INFO] [stdout]     | |_________^
[INFO] [stdout]     |
[INFO] [stdout]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#match_ref_pats
[INFO] [stdout] help: instead of prefixing all patterns with `&`, you can dereference the expression
[INFO] [stdout]     |
[INFO] [stdout] 295 ~         match *dict_pos {
[INFO] [stdout] 296 ~             Huffman::Leaf(sym) => {
[INFO] [stdout] 297 |                 ret.push(sym);
[INFO] [stdout] 298 |                 dict_pos = &*dict.root;
[INFO] [stdout] 299 |             },
[INFO] [stdout] 300 ~             Huffman::Branch(ref a, ref b) => {
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: dereferencing a tuple pattern where every element takes a reference
[INFO] [stdout]    --> src/main.rs:300:13
[INFO] [stdout]     |
[INFO] [stdout] 300 |             &Huffman::Branch(ref a, ref b) => {
[INFO] [stdout]     |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_borrowed_reference
[INFO] [stdout] help: try removing the `&` and `ref` parts
[INFO] [stdout]     |
[INFO] [stdout] 300 -             &Huffman::Branch(ref a, ref b) => {
[INFO] [stdout] 300 +             Huffman::Branch(a, b) => {
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: deref on an immutable reference
[INFO] [stdout]    --> src/main.rs:305:32
[INFO] [stdout]     |
[INFO] [stdout] 305 |                     dict_pos = &*a;
[INFO] [stdout]     |                                ^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#borrow_deref_ref
[INFO] [stdout] help: if you would like to reborrow, try removing `&*`
[INFO] [stdout]     |
[INFO] [stdout] 305 -                     dict_pos = &*a;
[INFO] [stdout] 305 +                     dict_pos = a;
[INFO] [stdout]     |
[INFO] [stdout] help: if you would like to deref, try using `&**`
[INFO] [stdout]     |
[INFO] [stdout] 305 |                     dict_pos = &**a;
[INFO] [stdout]     |                                  +
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: deref on an immutable reference
[INFO] [stdout]    --> src/main.rs:307:32
[INFO] [stdout]     |
[INFO] [stdout] 307 |                     dict_pos = &*b;
[INFO] [stdout]     |                                ^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#borrow_deref_ref
[INFO] [stdout] help: if you would like to reborrow, try removing `&*`
[INFO] [stdout]     |
[INFO] [stdout] 307 -                     dict_pos = &*b;
[INFO] [stdout] 307 +                     dict_pos = b;
[INFO] [stdout]     |
[INFO] [stdout] help: if you would like to deref, try using `&**`
[INFO] [stdout]     |
[INFO] [stdout] 307 |                     dict_pos = &**b;
[INFO] [stdout]     |                                  +
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: you don't need to add `&` to all patterns
[INFO] [stdout]    --> src/main.rs:391:9
[INFO] [stdout]     |
[INFO] [stdout] 391 | /         match node {
[INFO] [stdout] 392 | |             &Huffman::Branch(ref a, ref b) => {
[INFO] [stdout] 393 | |                 // push some temporary values to rewrite later
[INFO] [stdout] 394 | |                 buf.push(0);
[INFO] [stdout] ...   |
[INFO] [stdout] 411 | |         }
[INFO] [stdout]     | |_________^
[INFO] [stdout]     |
[INFO] [stdout]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#match_ref_pats
[INFO] [stdout] help: instead of prefixing all patterns with `&`, you can dereference the expression
[INFO] [stdout]     |
[INFO] [stdout] 391 ~         match *node {
[INFO] [stdout] 392 ~             Huffman::Branch(ref a, ref b) => {
[INFO] [stdout] 393 |                 // push some temporary values to rewrite later
[INFO] [stdout] ...
[INFO] [stdout] 400 |             },
[INFO] [stdout] 401 ~             Huffman::Leaf(sym) => {
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: dereferencing a tuple pattern where every element takes a reference
[INFO] [stdout]    --> src/main.rs:392:13
[INFO] [stdout]     |
[INFO] [stdout] 392 |             &Huffman::Branch(ref a, ref b) => {
[INFO] [stdout]     |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_borrowed_reference
[INFO] [stdout] help: try removing the `&` and `ref` parts
[INFO] [stdout]     |
[INFO] [stdout] 392 -             &Huffman::Branch(ref a, ref b) => {
[INFO] [stdout] 392 +             Huffman::Branch(a, b) => {
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: deref on an immutable reference
[INFO] [stdout]    --> src/main.rs:396:54
[INFO] [stdout]     |
[INFO] [stdout] 396 |                 let aidx = recursively_traverse(buf, &*a);
[INFO] [stdout]     |                                                      ^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#borrow_deref_ref
[INFO] [stdout] help: if you would like to reborrow, try removing `&*`
[INFO] [stdout]     |
[INFO] [stdout] 396 -                 let aidx = recursively_traverse(buf, &*a);
[INFO] [stdout] 396 +                 let aidx = recursively_traverse(buf, a);
[INFO] [stdout]     |
[INFO] [stdout] help: if you would like to deref, try using `&**`
[INFO] [stdout]     |
[INFO] [stdout] 396 |                 let aidx = recursively_traverse(buf, &**a);
[INFO] [stdout]     |                                                        +
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: deref on an immutable reference
[INFO] [stdout]    --> src/main.rs:397:54
[INFO] [stdout]     |
[INFO] [stdout] 397 |                 let bidx = recursively_traverse(buf, &*b);
[INFO] [stdout]     |                                                      ^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#borrow_deref_ref
[INFO] [stdout] help: if you would like to reborrow, try removing `&*`
[INFO] [stdout]     |
[INFO] [stdout] 397 -                 let bidx = recursively_traverse(buf, &*b);
[INFO] [stdout] 397 +                 let bidx = recursively_traverse(buf, b);
[INFO] [stdout]     |
[INFO] [stdout] help: if you would like to deref, try using `&**`
[INFO] [stdout]     |
[INFO] [stdout] 397 |                 let bidx = recursively_traverse(buf, &**b);
[INFO] [stdout]     |                                                        +
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: you don't need to add `&` to all patterns
[INFO] [stdout]    --> src/main.rs:254:13
[INFO] [stdout]     |
[INFO] [stdout] 254 | /             match node {
[INFO] [stdout] 255 | |                 &Huffman::Branch(ref a, ref b) => {
[INFO] [stdout] 256 | |                     let mut prefixa = prefix.clone();
[INFO] [stdout] 257 | |                     let mut prefixb = prefix;
[INFO] [stdout] ...   |
[INFO] [stdout] 265 | |                 },
[INFO] [stdout] 266 | |             }
[INFO] [stdout]     | |_____________^
[INFO] [stdout]     |
[INFO] [stdout]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#match_ref_pats
[INFO] [stdout] help: instead of prefixing all patterns with `&`, you can dereference the expression
[INFO] [stdout]     |
[INFO] [stdout] 254 ~             match *node {
[INFO] [stdout] 255 ~                 Huffman::Branch(ref a, ref b) => {
[INFO] [stdout] 256 |                     let mut prefixa = prefix.clone();
[INFO] [stdout] ...
[INFO] [stdout] 262 |                 },
[INFO] [stdout] 263 ~                 Huffman::Leaf(sym) => {
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: deref which would be done by auto-deref
[INFO] [stdout]    --> src/main.rs:415:44
[INFO] [stdout]     |
[INFO] [stdout] 415 |     let _ = recursively_traverse(&mut ret, &*dict.root);
[INFO] [stdout]     |                                            ^^^^^^^^^^^ help: try: `&dict.root`
[INFO] [stdout]     |
[INFO] [stdout]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#explicit_auto_deref
[INFO] [stdout]     = note: `#[warn(clippy::explicit_auto_deref)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: stripping a prefix manually
[INFO] [stdout]    --> src/main.rs:461:21
[INFO] [stdout]     |
[INFO] [stdout] 461 |                     &prev[replace_str.len()..]
[INFO] [stdout]     |                     ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout] note: the prefix was tested here
[INFO] [stdout]    --> src/main.rs:460:17
[INFO] [stdout]     |
[INFO] [stdout] 460 |                 if prev.starts_with(replace_str) {
[INFO] [stdout]     |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#manual_strip
[INFO] [stdout]     = note: `#[warn(clippy::manual_strip)]` on by default
[INFO] [stdout] help: try using the `strip_prefix` method
[INFO] [stdout]     |
[INFO] [stdout] 460 ~                 if let Some(<stripped>) = prev.strip_prefix(replace_str) {
[INFO] [stdout] 461 ~                     <stripped>
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: dereferencing a tuple pattern where every element takes a reference
[INFO] [stdout]    --> src/main.rs:255:17
[INFO] [stdout]     |
[INFO] [stdout] 255 |                 &Huffman::Branch(ref a, ref b) => {
[INFO] [stdout]     |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_borrowed_reference
[INFO] [stdout]     = note: `#[warn(clippy::needless_borrowed_reference)]` on by default
[INFO] [stdout] help: try removing the `&` and `ref` parts
[INFO] [stdout]     |
[INFO] [stdout] 255 -                 &Huffman::Branch(ref a, ref b) => {
[INFO] [stdout] 255 +                 Huffman::Branch(a, b) => {
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: deref on an immutable reference
[INFO] [stdout]    --> src/main.rs:260:46
[INFO] [stdout]     |
[INFO] [stdout] 260 |                     recursively_map(prefixa, &*a, mapping);
[INFO] [stdout]     |                                              ^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#borrow_deref_ref
[INFO] [stdout]     = note: `#[warn(clippy::borrow_deref_ref)]` on by default
[INFO] [stdout] help: if you would like to reborrow, try removing `&*`
[INFO] [stdout]     |
[INFO] [stdout] 260 -                     recursively_map(prefixa, &*a, mapping);
[INFO] [stdout] 260 +                     recursively_map(prefixa, a, mapping);
[INFO] [stdout]     |
[INFO] [stdout] help: if you would like to deref, try using `&**`
[INFO] [stdout]     |
[INFO] [stdout] 260 |                     recursively_map(prefixa, &**a, mapping);
[INFO] [stdout]     |                                                +
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: deref on an immutable reference
[INFO] [stdout]    --> src/main.rs:261:46
[INFO] [stdout]     |
[INFO] [stdout] 261 |                     recursively_map(prefixb, &*b, mapping);
[INFO] [stdout]     |                                              ^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#borrow_deref_ref
[INFO] [stdout] help: if you would like to reborrow, try removing `&*`
[INFO] [stdout]     |
[INFO] [stdout] 261 -                     recursively_map(prefixb, &*b, mapping);
[INFO] [stdout] 261 +                     recursively_map(prefixb, b, mapping);
[INFO] [stdout]     |
[INFO] [stdout] help: if you would like to deref, try using `&**`
[INFO] [stdout]     |
[INFO] [stdout] 261 |                     recursively_map(prefixb, &**b, mapping);
[INFO] [stdout]     |                                                +
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.51s
[INFO] [stdout] warning: you don't need to add `&` to all patterns
[INFO] [stdout]    --> src/main.rs:295:9
[INFO] [stdout]     |
[INFO] [stdout] 295 | /         match dict_pos {
[INFO] [stdout] 296 | |             &Huffman::Leaf(sym) => {
[INFO] [stdout] 297 | |                 ret.push(sym);
[INFO] [stdout] 298 | |                 dict_pos = &*dict.root;
[INFO] [stdout] ...   |
[INFO] [stdout] 309 | |             },
[INFO] [stdout] 310 | |         }
[INFO] [stdout]     | |_________^
[INFO] [stdout]     |
[INFO] [stdout]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#match_ref_pats
[INFO] [stdout] help: instead of prefixing all patterns with `&`, you can dereference the expression
[INFO] [stdout]     |
[INFO] [stdout] 295 ~         match *dict_pos {
[INFO] [stdout] 296 ~             Huffman::Leaf(sym) => {
[INFO] [stdout] 297 |                 ret.push(sym);
[INFO] [stdout] 298 |                 dict_pos = &*dict.root;
[INFO] [stdout] 299 |             },
[INFO] [stdout] 300 ~             Huffman::Branch(ref a, ref b) => {
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: dereferencing a tuple pattern where every element takes a reference
[INFO] [stdout]    --> src/main.rs:300:13
[INFO] [stdout]     |
[INFO] [stdout] 300 |             &Huffman::Branch(ref a, ref b) => {
[INFO] [stdout]     |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_borrowed_reference
[INFO] [stdout] help: try removing the `&` and `ref` parts
[INFO] [stdout]     |
[INFO] [stdout] 300 -             &Huffman::Branch(ref a, ref b) => {
[INFO] [stdout] 300 +             Huffman::Branch(a, b) => {
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: deref on an immutable reference
[INFO] [stdout]    --> src/main.rs:305:32
[INFO] [stdout]     |
[INFO] [stdout] 305 |                     dict_pos = &*a;
[INFO] [stdout]     |                                ^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#borrow_deref_ref
[INFO] [stdout] help: if you would like to reborrow, try removing `&*`
[INFO] [stdout]     |
[INFO] [stdout] 305 -                     dict_pos = &*a;
[INFO] [stdout] 305 +                     dict_pos = a;
[INFO] [stdout]     |
[INFO] [stdout] help: if you would like to deref, try using `&**`
[INFO] [stdout]     |
[INFO] [stdout] 305 |                     dict_pos = &**a;
[INFO] [stdout]     |                                  +
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: deref on an immutable reference
[INFO] [stdout]    --> src/main.rs:307:32
[INFO] [stdout]     |
[INFO] [stdout] 307 |                     dict_pos = &*b;
[INFO] [stdout]     |                                ^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#borrow_deref_ref
[INFO] [stdout] help: if you would like to reborrow, try removing `&*`
[INFO] [stdout]     |
[INFO] [stdout] 307 -                     dict_pos = &*b;
[INFO] [stdout] 307 +                     dict_pos = b;
[INFO] [stdout]     |
[INFO] [stdout] help: if you would like to deref, try using `&**`
[INFO] [stdout]     |
[INFO] [stdout] 307 |                     dict_pos = &**b;
[INFO] [stdout]     |                                  +
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: empty string literal in `println!`
[INFO] [stdout]    --> src/main.rs:504:5
[INFO] [stdout]     |
[INFO] [stdout] 504 |     println!("");
[INFO] [stdout]     |     ^^^^^^^^^--^
[INFO] [stdout]     |              |
[INFO] [stdout]     |              help: remove the empty string
[INFO] [stdout]     |
[INFO] [stdout]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#println_empty_string
[INFO] [stdout]     = note: `#[warn(clippy::println_empty_string)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: you don't need to add `&` to all patterns
[INFO] [stdout]    --> src/main.rs:391:9
[INFO] [stdout]     |
[INFO] [stdout] 391 | /         match node {
[INFO] [stdout] 392 | |             &Huffman::Branch(ref a, ref b) => {
[INFO] [stdout] 393 | |                 // push some temporary values to rewrite later
[INFO] [stdout] 394 | |                 buf.push(0);
[INFO] [stdout] ...   |
[INFO] [stdout] 411 | |         }
[INFO] [stdout]     | |_________^
[INFO] [stdout]     |
[INFO] [stdout]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#match_ref_pats
[INFO] [stdout] help: instead of prefixing all patterns with `&`, you can dereference the expression
[INFO] [stdout]     |
[INFO] [stdout] 391 ~         match *node {
[INFO] [stdout] 392 ~             Huffman::Branch(ref a, ref b) => {
[INFO] [stdout] 393 |                 // push some temporary values to rewrite later
[INFO] [stdout] ...
[INFO] [stdout] 400 |             },
[INFO] [stdout] 401 ~             Huffman::Leaf(sym) => {
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: dereferencing a tuple pattern where every element takes a reference
[INFO] [stdout]    --> src/main.rs:392:13
[INFO] [stdout]     |
[INFO] [stdout] 392 |             &Huffman::Branch(ref a, ref b) => {
[INFO] [stdout]     |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_borrowed_reference
[INFO] [stdout] help: try removing the `&` and `ref` parts
[INFO] [stdout]     |
[INFO] [stdout] 392 -             &Huffman::Branch(ref a, ref b) => {
[INFO] [stdout] 392 +             Huffman::Branch(a, b) => {
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: deref on an immutable reference
[INFO] [stdout]    --> src/main.rs:396:54
[INFO] [stdout]     |
[INFO] [stdout] 396 |                 let aidx = recursively_traverse(buf, &*a);
[INFO] [stdout]     |                                                      ^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#borrow_deref_ref
[INFO] [stdout] help: if you would like to reborrow, try removing `&*`
[INFO] [stdout]     |
[INFO] [stdout] 396 -                 let aidx = recursively_traverse(buf, &*a);
[INFO] [stdout] 396 +                 let aidx = recursively_traverse(buf, a);
[INFO] [stdout]     |
[INFO] [stdout] help: if you would like to deref, try using `&**`
[INFO] [stdout]     |
[INFO] [stdout] 396 |                 let aidx = recursively_traverse(buf, &**a);
[INFO] [stdout]     |                                                        +
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: deref on an immutable reference
[INFO] [stdout]    --> src/main.rs:397:54
[INFO] [stdout]     |
[INFO] [stdout] 397 |                 let bidx = recursively_traverse(buf, &*b);
[INFO] [stdout]     |                                                      ^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#borrow_deref_ref
[INFO] [stdout] help: if you would like to reborrow, try removing `&*`
[INFO] [stdout]     |
[INFO] [stdout] 397 -                 let bidx = recursively_traverse(buf, &*b);
[INFO] [stdout] 397 +                 let bidx = recursively_traverse(buf, b);
[INFO] [stdout]     |
[INFO] [stdout] help: if you would like to deref, try using `&**`
[INFO] [stdout]     |
[INFO] [stdout] 397 |                 let bidx = recursively_traverse(buf, &**b);
[INFO] [stdout]     |                                                        +
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: deref which would be done by auto-deref
[INFO] [stdout]    --> src/main.rs:415:44
[INFO] [stdout]     |
[INFO] [stdout] 415 |     let _ = recursively_traverse(&mut ret, &*dict.root);
[INFO] [stdout]     |                                            ^^^^^^^^^^^ help: try: `&dict.root`
[INFO] [stdout]     |
[INFO] [stdout]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#explicit_auto_deref
[INFO] [stdout]     = note: `#[warn(clippy::explicit_auto_deref)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: stripping a prefix manually
[INFO] [stdout]    --> src/main.rs:461:21
[INFO] [stdout]     |
[INFO] [stdout] 461 |                     &prev[replace_str.len()..]
[INFO] [stdout]     |                     ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout] note: the prefix was tested here
[INFO] [stdout]    --> src/main.rs:460:17
[INFO] [stdout]     |
[INFO] [stdout] 460 |                 if prev.starts_with(replace_str) {
[INFO] [stdout]     |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#manual_strip
[INFO] [stdout]     = note: `#[warn(clippy::manual_strip)]` on by default
[INFO] [stdout] help: try using the `strip_prefix` method
[INFO] [stdout]     |
[INFO] [stdout] 460 ~                 if let Some(<stripped>) = prev.strip_prefix(replace_str) {
[INFO] [stdout] 461 ~                     <stripped>
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: empty string literal in `println!`
[INFO] [stdout]    --> src/main.rs:504:5
[INFO] [stdout]     |
[INFO] [stdout] 504 |     println!("");
[INFO] [stdout]     |     ^^^^^^^^^--^
[INFO] [stdout]     |              |
[INFO] [stdout]     |              help: remove the empty string
[INFO] [stdout]     |
[INFO] [stdout]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#println_empty_string
[INFO] [stdout]     = note: `#[warn(clippy::println_empty_string)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "d59a4d7bd6a077e9d18c372a8ab844732977d5ab87d3009f8b0baf830038007a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d59a4d7bd6a077e9d18c372a8ab844732977d5ab87d3009f8b0baf830038007a", kill_on_drop: false }`
[INFO] [stdout] d59a4d7bd6a077e9d18c372a8ab844732977d5ab87d3009f8b0baf830038007a