[INFO] updating cached repository tuzz/superpermutation
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/tuzz/superpermutation
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/tuzz/superpermutation" "work/ex/clippy-test-run/sources/stable/gh/tuzz/superpermutation"`
[INFO] [stderr] Cloning into 'work/ex/clippy-test-run/sources/stable/gh/tuzz/superpermutation'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/tuzz/superpermutation" "work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/gh/tuzz/superpermutation"`
[INFO] [stderr] Cloning into 'work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/gh/tuzz/superpermutation'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] a1aa58ba2495c24f7a85608e1fe4ad28efc375e3
[INFO] sha for GitHub repo tuzz/superpermutation: a1aa58ba2495c24f7a85608e1fe4ad28efc375e3
[INFO] validating manifest of tuzz/superpermutation 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 tuzz/superpermutation 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 tuzz/superpermutation
[INFO] finished frobbing tuzz/superpermutation
[INFO] frobbed toml for tuzz/superpermutation written to work/ex/clippy-test-run/sources/stable/gh/tuzz/superpermutation/Cargo.toml
[INFO] started frobbing tuzz/superpermutation
[INFO] finished frobbing tuzz/superpermutation
[INFO] frobbed toml for tuzz/superpermutation written to work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/gh/tuzz/superpermutation/Cargo.toml
[INFO] crate tuzz/superpermutation 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 tuzz/superpermutation against stable for clippy-test-run
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/clippy-test-run/worker-7/stable:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/clippy-test-run/sources/stable/gh/tuzz/superpermutation:/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] f8fa3371be04febed868c3cdba0ea24dc8b47315bed98443eeb232072d8d17d1
[INFO] running `"docker" "start" "-a" "f8fa3371be04febed868c3cdba0ea24dc8b47315bed98443eeb232072d8d17d1"`
[INFO] [stderr]     Checking bit-vec v0.5.0
[INFO] [stderr]     Checking lehmer v2.0.0
[INFO] [stderr]     Checking bucket_queue v2.0.0
[INFO] [stderr]     Checking miniz-sys v0.1.11
[INFO] [stderr]     Checking bincode v1.0.1
[INFO] [stderr]     Checking serde_bytes v0.10.4
[INFO] [stderr]    Compiling syn v0.15.21
[INFO] [stderr]     Checking rayon v1.0.3
[INFO] [stderr]     Checking flate2 v1.0.5
[INFO] [stderr]     Checking bit-set v0.5.0
[INFO] [stderr]    Compiling serde_derive v1.0.80
[INFO] [stderr]     Checking leaps-and-bounds v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: redundant field names in struct initialization
[INFO] [stderr]   --> src/candidate/mod.rs:86:13
[INFO] [stderr]    |
[INFO] [stderr] 86 |             tail_of_string: tail_of_string,
[INFO] [stderr]    |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: replace it with: `tail_of_string`
[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/candidate/mod.rs:86:13
[INFO] [stderr]    |
[INFO] [stderr] 86 |             tail_of_string: tail_of_string,
[INFO] [stderr]    |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: replace it with: `tail_of_string`
[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: this if statement can be collapsed
[INFO] [stderr]    --> src/frontier/mod.rs:118:9
[INFO] [stderr]     |
[INFO] [stderr] 118 | /         if self.disabled.remove(bucket_id) {
[INFO] [stderr] 119 | |             if Self::bucket_len(&self.disabled_queue, bucket_id) > 0 {
[INFO] [stderr] 120 | |                 if self.verbose {
[INFO] [stderr] 121 | |                     println!("  unpruning {:?} from memory ... queue: {}", bucket_id, self.len());
[INFO] [stderr] ...   |
[INFO] [stderr] 126 | |             }
[INFO] [stderr] 127 | |         }
[INFO] [stderr]     | |_________^
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(clippy::collapsible_if)] on by default
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#collapsible_if
[INFO] [stderr] help: try
[INFO] [stderr]     |
[INFO] [stderr] 118 |         if self.disabled.remove(bucket_id) && Self::bucket_len(&self.disabled_queue, bucket_id) > 0 {
[INFO] [stderr] 119 |     if self.verbose {
[INFO] [stderr] 120 |         println!("  unpruning {:?} from memory ... queue: {}", bucket_id, self.len());
[INFO] [stderr] 121 |     }
[INFO] [stderr] 122 | 
[INFO] [stderr] 123 |     Self::swap(&mut self.disabled_queue, &mut self.enabled_queue, bucket_id);
[INFO] [stderr]   ...
[INFO] [stderr] 
[INFO] [stderr] warning: Constants have by default a `'static` lifetime
[INFO] [stderr]  --> src/disk/test.rs:8:14
[INFO] [stderr]   |
[INFO] [stderr] 8 | const PATH: &'static str = "/tmp/superpermutation-test";
[INFO] [stderr]   |             -^^^^^^^---- help: consider removing `'static`: `&str`
[INFO] [stderr]   |
[INFO] [stderr]   = note: #[warn(clippy::const_static_lifetime)] on by default
[INFO] [stderr]   = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#const_static_lifetime
[INFO] [stderr] 
[INFO] [stderr] warning: this if statement can be collapsed
[INFO] [stderr]    --> src/frontier/mod.rs:118:9
[INFO] [stderr]     |
[INFO] [stderr] 118 | /         if self.disabled.remove(bucket_id) {
[INFO] [stderr] 119 | |             if Self::bucket_len(&self.disabled_queue, bucket_id) > 0 {
[INFO] [stderr] 120 | |                 if self.verbose {
[INFO] [stderr] 121 | |                     println!("  unpruning {:?} from memory ... queue: {}", bucket_id, self.len());
[INFO] [stderr] ...   |
[INFO] [stderr] 126 | |             }
[INFO] [stderr] 127 | |         }
[INFO] [stderr]     | |_________^
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(clippy::collapsible_if)] on by default
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#collapsible_if
[INFO] [stderr] help: try
[INFO] [stderr]     |
[INFO] [stderr] 118 |         if self.disabled.remove(bucket_id) && Self::bucket_len(&self.disabled_queue, bucket_id) > 0 {
[INFO] [stderr] 119 |     if self.verbose {
[INFO] [stderr] 120 |         println!("  unpruning {:?} from memory ... queue: {}", bucket_id, self.len());
[INFO] [stderr] 121 |     }
[INFO] [stderr] 122 | 
[INFO] [stderr] 123 |     Self::swap(&mut self.disabled_queue, &mut self.enabled_queue, bucket_id);
[INFO] [stderr]   ...
[INFO] [stderr] 
[INFO] [stderr] warning: you seem to be trying to match on a boolean expression
[INFO] [stderr]   --> src/candidate/mod.rs:72:27
[INFO] [stderr]    |
[INFO] [stderr] 72 |               let penalty = match self.seen_next_tail_as_well(&tail_of_string, n) {
[INFO] [stderr]    |  ___________________________^
[INFO] [stderr] 73 | |                 false => 1,
[INFO] [stderr] 74 | |                 true => 2,
[INFO] [stderr] 75 | |             };
[INFO] [stderr]    | |_____________^ help: consider using an if/else expression: `if self.seen_next_tail_as_well(&tail_of_string, n) { 2 } else { 1 }`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(clippy::match_bool)] on by default
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#match_bool
[INFO] [stderr] 
[INFO] [stderr] warning: You are using an explicit closure for cloning elements
[INFO] [stderr]    --> src/candidate/mod.rs:109:27
[INFO] [stderr]     |
[INFO] [stderr] 109 |           let permutation = tail_of_string
[INFO] [stderr]     |  ___________________________^
[INFO] [stderr] 110 | |             .iter()
[INFO] [stderr] 111 | |             .map(|&e| e)
[INFO] [stderr]     | |________________________^
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(clippy::map_clone)] on by default
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#map_clone
[INFO] [stderr] help: Consider calling the dedicated `cloned` method
[INFO] [stderr]     |
[INFO] [stderr] 109 |         let permutation = tail_of_string
[INFO] [stderr] 110 |             .iter().cloned()
[INFO] [stderr]     |
[INFO] [stderr] 
[INFO] [stderr] warning: you seem to be trying to match on a boolean expression
[INFO] [stderr]    --> src/candidate/mod.rs:123:21
[INFO] [stderr]     |
[INFO] [stderr] 123 |               None => match Self::less_than_full(head, n) {
[INFO] [stderr]     |  _____________________^
[INFO] [stderr] 124 | |                 true => 0,
[INFO] [stderr] 125 | |                 false => 1,
[INFO] [stderr] 126 | |             }
[INFO] [stderr]     | |_____________^ help: consider using an if/else expression: `if Self::less_than_full(head, n) { 0 } else { 1 }`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#match_bool
[INFO] [stderr] 
[INFO] [stderr] warning: You are using an explicit closure for cloning elements
[INFO] [stderr]    --> src/candidate/mod.rs:150:9
[INFO] [stderr]     |
[INFO] [stderr] 150 |         slice.iter().map(|&e| e).chain(once(symbol)).collect()
[INFO] [stderr]     |         ^^^^^^^^^^^^^^^^^^^^^^^^ help: Consider calling the dedicated `cloned` method: `slice.iter().cloned()`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#map_clone
[INFO] [stderr] 
[INFO] [stderr] warning: very complex type used. Consider factoring parts into `type` definitions
[INFO] [stderr]   --> src/disk/mod.rs:16:12
[INFO] [stderr]    |
[INFO] [stderr] 16 |     index: Arc<Mutex<Vec<Vec<Option<(usize, usize)>>>>>,
[INFO] [stderr]    |            ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(clippy::type_complexity)] on by default
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#type_complexity
[INFO] [stderr] 
[INFO] [stderr] warning: use of `expect` followed by a function call
[INFO] [stderr]   --> src/disk/mod.rs:22:31
[INFO] [stderr]    |
[INFO] [stderr] 22 |         create_dir_all(&path).expect(&format!("Failed to create {}", path));
[INFO] [stderr]    |                               ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: try this: `unwrap_or_else(|_| panic!("Failed to create {}", path))`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(clippy::expect_fun_call)] on by default
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#expect_fun_call
[INFO] [stderr] 
[INFO] [stderr] warning: use of `expect` followed by a function call
[INFO] [stderr]   --> src/disk/mod.rs:30:42
[INFO] [stderr]    |
[INFO] [stderr] 30 |         let file = File::open(&filename).expect(&format!("Failed to open {}", filename));
[INFO] [stderr]    |                                          ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: try this: `unwrap_or_else(|_| panic!("Failed to open {}", filename))`
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#expect_fun_call
[INFO] [stderr] 
[INFO] [stderr] warning: use of `expect` followed by a function call
[INFO] [stderr]   --> src/disk/mod.rs:41:32
[INFO] [stderr]    |
[INFO] [stderr] 41 |         remove_file(&filename).expect(&format!("Failed to remove {}", filename));
[INFO] [stderr]    |                                ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: try this: `unwrap_or_else(|_| panic!("Failed to remove {}", filename))`
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#expect_fun_call
[INFO] [stderr] 
[INFO] [stderr] warning: use of `expect` followed by a function call
[INFO] [stderr]   --> src/disk/mod.rs:48:44
[INFO] [stderr]    |
[INFO] [stderr] 48 |         let file = File::create(&filename).expect(&format!("Failed to create {}", filename));
[INFO] [stderr]    |                                            ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: try this: `unwrap_or_else(|_| panic!("Failed to create {}", filename))`
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#expect_fun_call
[INFO] [stderr] 
[INFO] [stderr] warning: you seem to be trying to match on a boolean expression
[INFO] [stderr]    --> src/disk/mod.rs:119:30
[INFO] [stderr]     |
[INFO] [stderr] 119 |           let gzip_component = match self.gzip {
[INFO] [stderr]     |  ______________________________^
[INFO] [stderr] 120 | |             true => ".gz",
[INFO] [stderr] 121 | |             false => "",
[INFO] [stderr] 122 | |         };
[INFO] [stderr]     | |_________^ help: consider using an if/else expression: `if self.gzip { ".gz" } else { "" }`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#match_bool
[INFO] [stderr] 
[INFO] [stderr] warning: you seem to be trying to match on a boolean expression
[INFO] [stderr]   --> src/frontier/mod.rs:54:19
[INFO] [stderr]    |
[INFO] [stderr] 54 |           let max = match eager {
[INFO] [stderr]    |  ___________________^
[INFO] [stderr] 55 | |             true => self.max_waste()?,
[INFO] [stderr] 56 | |             false => wasted_symbols,
[INFO] [stderr] 57 | |         };
[INFO] [stderr]    | |_________^ help: consider using an if/else expression: `if eager { self.max_waste()? } else { wasted_symbols }`
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#match_bool
[INFO] [stderr] 
[INFO] [stderr] warning: you seem to be trying to match on a boolean expression
[INFO] [stderr]    --> src/ui/mod.rs:110:9
[INFO] [stderr]     |
[INFO] [stderr] 110 | /         match input.trim().is_empty() {
[INFO] [stderr] 111 | |             true => default.to_string(),
[INFO] [stderr] 112 | |             false => input,
[INFO] [stderr] 113 | |         }
[INFO] [stderr]     | |_________^ help: consider using an if/else expression: `if input.trim().is_empty() { default.to_string() } else { input }`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#match_bool
[INFO] [stderr] 
[INFO] [stderr] warning: called `ok().expect()` on a Result value. You can call `expect` directly on the `Result`
[INFO] [stderr]    --> src/ui/mod.rs:117:9
[INFO] [stderr]     |
[INFO] [stderr] 117 |         stdout().flush().ok().expect("Failed to flush stdout.");
[INFO] [stderr]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(clippy::ok_expect)] on by default
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#ok_expect
[INFO] [stderr] 
[INFO] [stderr] warning: you seem to be trying to match on a boolean expression
[INFO] [stderr]   --> src/candidate/mod.rs:72:27
[INFO] [stderr]    |
[INFO] [stderr] 72 |               let penalty = match self.seen_next_tail_as_well(&tail_of_string, n) {
[INFO] [stderr]    |  ___________________________^
[INFO] [stderr] 73 | |                 false => 1,
[INFO] [stderr] 74 | |                 true => 2,
[INFO] [stderr] 75 | |             };
[INFO] [stderr]    | |_____________^ help: consider using an if/else expression: `if self.seen_next_tail_as_well(&tail_of_string, n) { 2 } else { 1 }`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(clippy::match_bool)] on by default
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#match_bool
[INFO] [stderr] 
[INFO] [stderr] warning: You are using an explicit closure for cloning elements
[INFO] [stderr]    --> src/candidate/mod.rs:109:27
[INFO] [stderr]     |
[INFO] [stderr] 109 |           let permutation = tail_of_string
[INFO] [stderr]     |  ___________________________^
[INFO] [stderr] 110 | |             .iter()
[INFO] [stderr] 111 | |             .map(|&e| e)
[INFO] [stderr]     | |________________________^
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(clippy::map_clone)] on by default
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#map_clone
[INFO] [stderr] help: Consider calling the dedicated `cloned` method
[INFO] [stderr]     |
[INFO] [stderr] 109 |         let permutation = tail_of_string
[INFO] [stderr] 110 |             .iter().cloned()
[INFO] [stderr]     |
[INFO] [stderr] 
[INFO] [stderr] warning: you seem to be trying to match on a boolean expression
[INFO] [stderr]    --> src/candidate/mod.rs:123:21
[INFO] [stderr]     |
[INFO] [stderr] 123 |               None => match Self::less_than_full(head, n) {
[INFO] [stderr]     |  _____________________^
[INFO] [stderr] 124 | |                 true => 0,
[INFO] [stderr] 125 | |                 false => 1,
[INFO] [stderr] 126 | |             }
[INFO] [stderr]     | |_____________^ help: consider using an if/else expression: `if Self::less_than_full(head, n) { 0 } else { 1 }`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#match_bool
[INFO] [stderr] 
[INFO] [stderr] warning: You are using an explicit closure for cloning elements
[INFO] [stderr]    --> src/candidate/mod.rs:150:9
[INFO] [stderr]     |
[INFO] [stderr] 150 |         slice.iter().map(|&e| e).chain(once(symbol)).collect()
[INFO] [stderr]     |         ^^^^^^^^^^^^^^^^^^^^^^^^ help: Consider calling the dedicated `cloned` method: `slice.iter().cloned()`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#map_clone
[INFO] [stderr] 
[INFO] [stderr] warning: very complex type used. Consider factoring parts into `type` definitions
[INFO] [stderr]   --> src/disk/mod.rs:16:12
[INFO] [stderr]    |
[INFO] [stderr] 16 |     index: Arc<Mutex<Vec<Vec<Option<(usize, usize)>>>>>,
[INFO] [stderr]    |            ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(clippy::type_complexity)] on by default
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#type_complexity
[INFO] [stderr] 
[INFO] [stderr] warning: use of `expect` followed by a function call
[INFO] [stderr]   --> src/disk/mod.rs:22:31
[INFO] [stderr]    |
[INFO] [stderr] 22 |         create_dir_all(&path).expect(&format!("Failed to create {}", path));
[INFO] [stderr]    |                               ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: try this: `unwrap_or_else(|_| panic!("Failed to create {}", path))`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(clippy::expect_fun_call)] on by default
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#expect_fun_call
[INFO] [stderr] 
[INFO] [stderr] warning: use of `expect` followed by a function call
[INFO] [stderr]   --> src/disk/mod.rs:30:42
[INFO] [stderr]    |
[INFO] [stderr] 30 |         let file = File::open(&filename).expect(&format!("Failed to open {}", filename));
[INFO] [stderr]    |                                          ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: try this: `unwrap_or_else(|_| panic!("Failed to open {}", filename))`
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#expect_fun_call
[INFO] [stderr] 
[INFO] [stderr] warning: use of `expect` followed by a function call
[INFO] [stderr]   --> src/disk/mod.rs:41:32
[INFO] [stderr]    |
[INFO] [stderr] 41 |         remove_file(&filename).expect(&format!("Failed to remove {}", filename));
[INFO] [stderr]    |                                ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: try this: `unwrap_or_else(|_| panic!("Failed to remove {}", filename))`
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#expect_fun_call
[INFO] [stderr] 
[INFO] [stderr] warning: use of `expect` followed by a function call
[INFO] [stderr]   --> src/disk/mod.rs:48:44
[INFO] [stderr]    |
[INFO] [stderr] 48 |         let file = File::create(&filename).expect(&format!("Failed to create {}", filename));
[INFO] [stderr]    |                                            ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: try this: `unwrap_or_else(|_| panic!("Failed to create {}", filename))`
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#expect_fun_call
[INFO] [stderr] 
[INFO] [stderr] warning: you seem to be trying to match on a boolean expression
[INFO] [stderr]    --> src/disk/mod.rs:119:30
[INFO] [stderr]     |
[INFO] [stderr] 119 |           let gzip_component = match self.gzip {
[INFO] [stderr]     |  ______________________________^
[INFO] [stderr] 120 | |             true => ".gz",
[INFO] [stderr] 121 | |             false => "",
[INFO] [stderr] 122 | |         };
[INFO] [stderr]     | |_________^ help: consider using an if/else expression: `if self.gzip { ".gz" } else { "" }`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#match_bool
[INFO] [stderr] 
[INFO] [stderr] warning: you seem to be trying to match on a boolean expression
[INFO] [stderr]   --> src/frontier/mod.rs:54:19
[INFO] [stderr]    |
[INFO] [stderr] 54 |           let max = match eager {
[INFO] [stderr]    |  ___________________^
[INFO] [stderr] 55 | |             true => self.max_waste()?,
[INFO] [stderr] 56 | |             false => wasted_symbols,
[INFO] [stderr] 57 | |         };
[INFO] [stderr]    | |_________^ help: consider using an if/else expression: `if eager { self.max_waste()? } else { wasted_symbols }`
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#match_bool
[INFO] [stderr] 
[INFO] [stderr] warning: you seem to be trying to match on a boolean expression
[INFO] [stderr]    --> src/ui/mod.rs:110:9
[INFO] [stderr]     |
[INFO] [stderr] 110 | /         match input.trim().is_empty() {
[INFO] [stderr] 111 | |             true => default.to_string(),
[INFO] [stderr] 112 | |             false => input,
[INFO] [stderr] 113 | |         }
[INFO] [stderr]     | |_________^ help: consider using an if/else expression: `if input.trim().is_empty() { default.to_string() } else { input }`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#match_bool
[INFO] [stderr] 
[INFO] [stderr] warning: called `ok().expect()` on a Result value. You can call `expect` directly on the `Result`
[INFO] [stderr]    --> src/ui/mod.rs:117:9
[INFO] [stderr]     |
[INFO] [stderr] 117 |         stdout().flush().ok().expect("Failed to flush stdout.");
[INFO] [stderr]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(clippy::ok_expect)] on by default
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#ok_expect
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 30.87s
[INFO] running `"docker" "inspect" "f8fa3371be04febed868c3cdba0ea24dc8b47315bed98443eeb232072d8d17d1"`
[INFO] running `"docker" "rm" "-f" "f8fa3371be04febed868c3cdba0ea24dc8b47315bed98443eeb232072d8d17d1"`
[INFO] [stdout] f8fa3371be04febed868c3cdba0ea24dc8b47315bed98443eeb232072d8d17d1