[INFO] updating cached repository scolby33/adventofcode2017
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/scolby33/adventofcode2017
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/scolby33/adventofcode2017" "work/ex/clippy-test-run/sources/stable/gh/scolby33/adventofcode2017"`
[INFO] [stderr] Cloning into 'work/ex/clippy-test-run/sources/stable/gh/scolby33/adventofcode2017'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/scolby33/adventofcode2017" "work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/gh/scolby33/adventofcode2017"`
[INFO] [stderr] Cloning into 'work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/gh/scolby33/adventofcode2017'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 3556ccab779aa058dba64f74e9d603c37eb7823f
[INFO] sha for GitHub repo scolby33/adventofcode2017: 3556ccab779aa058dba64f74e9d603c37eb7823f
[INFO] validating manifest of scolby33/adventofcode2017 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 scolby33/adventofcode2017 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 scolby33/adventofcode2017
[INFO] finished frobbing scolby33/adventofcode2017
[INFO] frobbed toml for scolby33/adventofcode2017 written to work/ex/clippy-test-run/sources/stable/gh/scolby33/adventofcode2017/Cargo.toml
[INFO] started frobbing scolby33/adventofcode2017
[INFO] finished frobbing scolby33/adventofcode2017
[INFO] frobbed toml for scolby33/adventofcode2017 written to work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/gh/scolby33/adventofcode2017/Cargo.toml
[INFO] crate scolby33/adventofcode2017 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 scolby33/adventofcode2017 against stable for clippy-test-run
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/clippy-test-run/worker-2/stable:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/clippy-test-run/sources/stable/gh/scolby33/adventofcode2017:/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] 449981016d9ab6c294ac1f62dfa5017bc8bf40041bca785afee380e397ff4154
[INFO] running `"docker" "start" "-a" "449981016d9ab6c294ac1f62dfa5017bc8bf40041bca785afee380e397ff4154"`
[INFO] [stderr]     Checking adventofcode2017 v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: redundant field names in struct initialization
[INFO] [stderr]    --> src/day07.rs:117:13
[INFO] [stderr]     |
[INFO] [stderr] 117 |             name: name,
[INFO] [stderr]     |             ^^^^^^^^^^ help: replace it with: `name`
[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/day07.rs:118:13
[INFO] [stderr]     |
[INFO] [stderr] 118 |             weight: weight
[INFO] [stderr]     |             ^^^^^^^^^^^^^^ help: replace it with: `weight`
[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/day07.rs:129:13
[INFO] [stderr]     |
[INFO] [stderr] 129 |             target: target,
[INFO] [stderr]     |             ^^^^^^^^^^^^^^ help: replace it with: `target`
[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/day07.rs:117:13
[INFO] [stderr]     |
[INFO] [stderr] 117 |             name: name,
[INFO] [stderr]     |             ^^^^^^^^^^ help: replace it with: `name`
[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/day07.rs:118:13
[INFO] [stderr]     |
[INFO] [stderr] 118 |             weight: weight
[INFO] [stderr]     |             ^^^^^^^^^^^^^^ help: replace it with: `weight`
[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/day07.rs:129:13
[INFO] [stderr]     |
[INFO] [stderr] 129 |             target: target,
[INFO] [stderr]     |             ^^^^^^^^^^^^^^ help: replace it with: `target`
[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: writing `&Vec<_>` instead of `&[_]` involves one more reference and cannot be used with non-Vec-based slices.
[INFO] [stderr]   --> src/day01.rs:24:17
[INFO] [stderr]    |
[INFO] [stderr] 24 | fn solve(input: &Vec<u32>, shift: usize)->u32 {
[INFO] [stderr]    |                 ^^^^^^^^^ help: change this to: `&[u32]`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(clippy::ptr_arg)] on by default
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#ptr_arg
[INFO] [stderr] 
[INFO] [stderr] warning: you don't need to add `&` to all patterns
[INFO] [stderr]   --> src/day03.rs:73:13
[INFO] [stderr]    |
[INFO] [stderr] 73 | /             match direction {
[INFO] [stderr] 74 | |                 &"R" => x += 1,
[INFO] [stderr] 75 | |                 &"U" => y += 1,
[INFO] [stderr] 76 | |                 &"L" => x -= 1,
[INFO] [stderr] 77 | |                 &"D" => y -= 1,
[INFO] [stderr] 78 | |                 _ => (),
[INFO] [stderr] 79 | |             }
[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] 73 |             match *direction {
[INFO] [stderr] 74 |                 "R" => x += 1,
[INFO] [stderr] 75 |                 "U" => y += 1,
[INFO] [stderr] 76 |                 "L" => x -= 1,
[INFO] [stderr] 77 |                 "D" => y -= 1,
[INFO] [stderr]    |
[INFO] [stderr] 
[INFO] [stderr] warning: writing `&Vec<_>` instead of `&[_]` involves one more reference and cannot be used with non-Vec-based slices.
[INFO] [stderr]   --> src/day04.rs:25:24
[INFO] [stderr]    |
[INFO] [stderr] 25 | fn solve1(passphrases: &Vec<Vec<&str>>) -> u32 {
[INFO] [stderr]    |                        ^^^^^^^^^^^^^^^ help: change this to: `&[Vec<&str>]`
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#ptr_arg
[INFO] [stderr] 
[INFO] [stderr] warning: writing `&Vec<_>` instead of `&[_]` involves one more reference and cannot be used with non-Vec-based slices.
[INFO] [stderr]   --> src/day04.rs:29:24
[INFO] [stderr]    |
[INFO] [stderr] 29 | fn solve2(passphrases: &Vec<Vec<&str>>) -> u32 {
[INFO] [stderr]    |                        ^^^^^^^^^^^^^^^ help: change this to: `&[Vec<&str>]`
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#ptr_arg
[INFO] [stderr] 
[INFO] [stderr] warning: writing `&Vec<_>` instead of `&[_]` involves one more reference and cannot be used with non-Vec-based slices.
[INFO] [stderr]   --> src/day04.rs:33:26
[INFO] [stderr]    |
[INFO] [stderr] 33 | fn is_valid1(passphrase: &Vec<&str>) -> bool {
[INFO] [stderr]    |                          ^^^^^^^^^^ help: change this to: `&[&str]`
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#ptr_arg
[INFO] [stderr] 
[INFO] [stderr] warning: writing `&Vec<_>` instead of `&[_]` involves one more reference and cannot be used with non-Vec-based slices.
[INFO] [stderr]   --> src/day04.rs:38:26
[INFO] [stderr]    |
[INFO] [stderr] 38 | fn is_valid2(passphrase: &Vec<&str>) -> bool {
[INFO] [stderr]    |                          ^^^^^^^^^^ help: change this to: `&[&str]`
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#ptr_arg
[INFO] [stderr] 
[INFO] [stderr] warning: this .into_iter() call is equivalent to .iter() and will not move the Vec
[INFO] [stderr]   --> src/day04.rs:41:65
[INFO] [stderr]    |
[INFO] [stderr] 41 |     let uniques: HashSet<String> = split.iter().map(|word| word.into_iter().collect()).collect();
[INFO] [stderr]    |                                                                 ^^^^^^^^^ help: call directly: `iter`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(clippy::into_iter_on_ref)] on by default
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#into_iter_on_ref
[INFO] [stderr] 
[INFO] [stderr] warning: this creates an owned instance just for comparison
[INFO] [stderr]   --> src/day07.rs:21:36
[INFO] [stderr]    |
[INFO] [stderr] 21 |     assert!(solve1(&test_graph) == "tknk".to_string());
[INFO] [stderr]    |                                    ^^^^^^^^^^^^^^^^^^ help: try: `"tknk"`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(clippy::cmp_owned)] on by default
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#cmp_owned
[INFO] [stderr] 
[INFO] [stderr] error: using `clone` on a double-reference; this will copy the reference instead of cloning the inner type
[INFO] [stderr]   --> src/day07.rs:69:26
[INFO] [stderr]    |
[INFO] [stderr] 69 |             names.insert(name.clone(), parent_index);
[INFO] [stderr]    |                          ^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[deny(clippy::clone_double_ref)] on by default
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#clone_double_ref
[INFO] [stderr] help: try dereferencing it
[INFO] [stderr]    |
[INFO] [stderr] 69 |             names.insert(&(*name).clone(), parent_index);
[INFO] [stderr]    |                          ^^^^^^^^^^^^^^^^
[INFO] [stderr] help: or try being explicit about what type to clone
[INFO] [stderr]    |
[INFO] [stderr] 69 |             names.insert(&str::clone(name), parent_index);
[INFO] [stderr]    |                          ^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: using `clone` on a `Copy` type
[INFO] [stderr]   --> src/day07.rs:71:28
[INFO] [stderr]    |
[INFO] [stderr] 71 |             parent_index = names.get(&name).unwrap().clone();
[INFO] [stderr]    |                            ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: try dereferencing it: `*names.get(&name).unwrap()`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(clippy::clone_on_copy)] on by default
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#clone_on_copy
[INFO] [stderr] 
[INFO] [stderr] warning: called `.get().unwrap()` on a HashMap. Using `[]` is more clear and more concise
[INFO] [stderr]   --> src/day07.rs:71:28
[INFO] [stderr]    |
[INFO] [stderr] 71 |             parent_index = names.get(&name).unwrap().clone();
[INFO] [stderr]    |                            ^^^^^^^^^^^^^^^^^^^^^^^^^ help: try this: `&names[&name]`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(clippy::get_unwrap)] on by default
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#get_unwrap
[INFO] [stderr] 
[INFO] [stderr] error: using `clone` on a double-reference; this will copy the reference instead of cloning the inner type
[INFO] [stderr]   --> src/day07.rs:82:30
[INFO] [stderr]    |
[INFO] [stderr] 82 |                 names.insert(child.clone(), child_index);
[INFO] [stderr]    |                              ^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#clone_double_ref
[INFO] [stderr] help: try dereferencing it
[INFO] [stderr]    |
[INFO] [stderr] 82 |                 names.insert(&(*child).clone(), child_index);
[INFO] [stderr]    |                              ^^^^^^^^^^^^^^^^^
[INFO] [stderr] help: or try being explicit about what type to clone
[INFO] [stderr]    |
[INFO] [stderr] 82 |                 names.insert(&str::clone(child), child_index);
[INFO] [stderr]    |                              ^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: using `clone` on a `Copy` type
[INFO] [stderr]   --> src/day07.rs:84:31
[INFO] [stderr]    |
[INFO] [stderr] 84 |                 child_index = names.get(&child).unwrap().clone();
[INFO] [stderr]    |                               ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: try dereferencing it: `*names.get(&child).unwrap()`
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#clone_on_copy
[INFO] [stderr] 
[INFO] [stderr] warning: called `.get().unwrap()` on a HashMap. Using `[]` is more clear and more concise
[INFO] [stderr]   --> src/day07.rs:84:31
[INFO] [stderr]    |
[INFO] [stderr] 84 |                 child_index = names.get(&child).unwrap().clone();
[INFO] [stderr]    |                               ^^^^^^^^^^^^^^^^^^^^^^^^^^ help: try this: `&names[&child]`
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#get_unwrap
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to 2 previous errors
[INFO] [stderr] 
[INFO] [stderr] error: Could not compile `adventofcode2017`.
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] warning: writing `&Vec<_>` instead of `&[_]` involves one more reference and cannot be used with non-Vec-based slices.
[INFO] [stderr]   --> src/day01.rs:24:17
[INFO] [stderr]    |
[INFO] [stderr] 24 | fn solve(input: &Vec<u32>, shift: usize)->u32 {
[INFO] [stderr]    |                 ^^^^^^^^^ help: change this to: `&[u32]`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(clippy::ptr_arg)] on by default
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#ptr_arg
[INFO] [stderr] 
[INFO] [stderr] warning: you don't need to add `&` to all patterns
[INFO] [stderr]   --> src/day03.rs:73:13
[INFO] [stderr]    |
[INFO] [stderr] 73 | /             match direction {
[INFO] [stderr] 74 | |                 &"R" => x += 1,
[INFO] [stderr] 75 | |                 &"U" => y += 1,
[INFO] [stderr] 76 | |                 &"L" => x -= 1,
[INFO] [stderr] 77 | |                 &"D" => y -= 1,
[INFO] [stderr] 78 | |                 _ => (),
[INFO] [stderr] 79 | |             }
[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] 73 |             match *direction {
[INFO] [stderr] 74 |                 "R" => x += 1,
[INFO] [stderr] 75 |                 "U" => y += 1,
[INFO] [stderr] 76 |                 "L" => x -= 1,
[INFO] [stderr] 77 |                 "D" => y -= 1,
[INFO] [stderr]    |
[INFO] [stderr] 
[INFO] [stderr] warning: writing `&Vec<_>` instead of `&[_]` involves one more reference and cannot be used with non-Vec-based slices.
[INFO] [stderr]   --> src/day04.rs:25:24
[INFO] [stderr]    |
[INFO] [stderr] 25 | fn solve1(passphrases: &Vec<Vec<&str>>) -> u32 {
[INFO] [stderr]    |                        ^^^^^^^^^^^^^^^ help: change this to: `&[Vec<&str>]`
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#ptr_arg
[INFO] [stderr] 
[INFO] [stderr] warning: writing `&Vec<_>` instead of `&[_]` involves one more reference and cannot be used with non-Vec-based slices.
[INFO] [stderr]   --> src/day04.rs:29:24
[INFO] [stderr]    |
[INFO] [stderr] 29 | fn solve2(passphrases: &Vec<Vec<&str>>) -> u32 {
[INFO] [stderr]    |                        ^^^^^^^^^^^^^^^ help: change this to: `&[Vec<&str>]`
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#ptr_arg
[INFO] [stderr] 
[INFO] [stderr] warning: writing `&Vec<_>` instead of `&[_]` involves one more reference and cannot be used with non-Vec-based slices.
[INFO] [stderr]   --> src/day04.rs:33:26
[INFO] [stderr]    |
[INFO] [stderr] 33 | fn is_valid1(passphrase: &Vec<&str>) -> bool {
[INFO] [stderr]    |                          ^^^^^^^^^^ help: change this to: `&[&str]`
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#ptr_arg
[INFO] [stderr] 
[INFO] [stderr] warning: writing `&Vec<_>` instead of `&[_]` involves one more reference and cannot be used with non-Vec-based slices.
[INFO] [stderr]   --> src/day04.rs:38:26
[INFO] [stderr]    |
[INFO] [stderr] 38 | fn is_valid2(passphrase: &Vec<&str>) -> bool {
[INFO] [stderr]    |                          ^^^^^^^^^^ help: change this to: `&[&str]`
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#ptr_arg
[INFO] [stderr] 
[INFO] [stderr] warning: this .into_iter() call is equivalent to .iter() and will not move the Vec
[INFO] [stderr]   --> src/day04.rs:41:65
[INFO] [stderr]    |
[INFO] [stderr] 41 |     let uniques: HashSet<String> = split.iter().map(|word| word.into_iter().collect()).collect();
[INFO] [stderr]    |                                                                 ^^^^^^^^^ help: call directly: `iter`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(clippy::into_iter_on_ref)] on by default
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#into_iter_on_ref
[INFO] [stderr] 
[INFO] [stderr] warning: this creates an owned instance just for comparison
[INFO] [stderr]   --> src/day07.rs:21:36
[INFO] [stderr]    |
[INFO] [stderr] 21 |     assert!(solve1(&test_graph) == "tknk".to_string());
[INFO] [stderr]    |                                    ^^^^^^^^^^^^^^^^^^ help: try: `"tknk"`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(clippy::cmp_owned)] on by default
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#cmp_owned
[INFO] [stderr] 
[INFO] [stderr] error: using `clone` on a double-reference; this will copy the reference instead of cloning the inner type
[INFO] [stderr]   --> src/day07.rs:69:26
[INFO] [stderr]    |
[INFO] [stderr] 69 |             names.insert(name.clone(), parent_index);
[INFO] [stderr]    |                          ^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[deny(clippy::clone_double_ref)] on by default
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#clone_double_ref
[INFO] [stderr] help: try dereferencing it
[INFO] [stderr]    |
[INFO] [stderr] 69 |             names.insert(&(*name).clone(), parent_index);
[INFO] [stderr]    |                          ^^^^^^^^^^^^^^^^
[INFO] [stderr] help: or try being explicit about what type to clone
[INFO] [stderr]    |
[INFO] [stderr] 69 |             names.insert(&str::clone(name), parent_index);
[INFO] [stderr]    |                          ^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: using `clone` on a `Copy` type
[INFO] [stderr]   --> src/day07.rs:71:28
[INFO] [stderr]    |
[INFO] [stderr] 71 |             parent_index = names.get(&name).unwrap().clone();
[INFO] [stderr]    |                            ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: try dereferencing it: `*names.get(&name).unwrap()`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(clippy::clone_on_copy)] on by default
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#clone_on_copy
[INFO] [stderr] 
[INFO] [stderr] warning: called `.get().unwrap()` on a HashMap. Using `[]` is more clear and more concise
[INFO] [stderr]   --> src/day07.rs:71:28
[INFO] [stderr]    |
[INFO] [stderr] 71 |             parent_index = names.get(&name).unwrap().clone();
[INFO] [stderr]    |                            ^^^^^^^^^^^^^^^^^^^^^^^^^ help: try this: `&names[&name]`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(clippy::get_unwrap)] on by default
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#get_unwrap
[INFO] [stderr] 
[INFO] [stderr] error: using `clone` on a double-reference; this will copy the reference instead of cloning the inner type
[INFO] [stderr]   --> src/day07.rs:82:30
[INFO] [stderr]    |
[INFO] [stderr] 82 |                 names.insert(child.clone(), child_index);
[INFO] [stderr]    |                              ^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#clone_double_ref
[INFO] [stderr] help: try dereferencing it
[INFO] [stderr]    |
[INFO] [stderr] 82 |                 names.insert(&(*child).clone(), child_index);
[INFO] [stderr]    |                              ^^^^^^^^^^^^^^^^^
[INFO] [stderr] help: or try being explicit about what type to clone
[INFO] [stderr]    |
[INFO] [stderr] 82 |                 names.insert(&str::clone(child), child_index);
[INFO] [stderr]    |                              ^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: using `clone` on a `Copy` type
[INFO] [stderr]   --> src/day07.rs:84:31
[INFO] [stderr]    |
[INFO] [stderr] 84 |                 child_index = names.get(&child).unwrap().clone();
[INFO] [stderr]    |                               ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: try dereferencing it: `*names.get(&child).unwrap()`
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#clone_on_copy
[INFO] [stderr] 
[INFO] [stderr] warning: called `.get().unwrap()` on a HashMap. Using `[]` is more clear and more concise
[INFO] [stderr]   --> src/day07.rs:84:31
[INFO] [stderr]    |
[INFO] [stderr] 84 |                 child_index = names.get(&child).unwrap().clone();
[INFO] [stderr]    |                               ^^^^^^^^^^^^^^^^^^^^^^^^^^ help: try this: `&names[&child]`
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#get_unwrap
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to 2 previous errors
[INFO] [stderr] 
[INFO] [stderr] error: Could not compile `adventofcode2017`.
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] running `"docker" "inspect" "449981016d9ab6c294ac1f62dfa5017bc8bf40041bca785afee380e397ff4154"`
[INFO] running `"docker" "rm" "-f" "449981016d9ab6c294ac1f62dfa5017bc8bf40041bca785afee380e397ff4154"`
[INFO] [stdout] 449981016d9ab6c294ac1f62dfa5017bc8bf40041bca785afee380e397ff4154