[INFO] crate task_kit 0.2.0 is already in cache
[INFO] extracting crate task_kit 0.2.0 into work/ex/clippy-test-run/sources/stable/reg/task_kit/0.2.0
[INFO] extracting crate task_kit 0.2.0 into work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/reg/task_kit/0.2.0
[INFO] validating manifest of task_kit-0.2.0 on toolchain stable
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+stable" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of task_kit-0.2.0 on toolchain stable+rustflags=-Dclippy::into_iter_on_array
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+stable" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing task_kit-0.2.0
[INFO] finished frobbing task_kit-0.2.0
[INFO] frobbed toml for task_kit-0.2.0 written to work/ex/clippy-test-run/sources/stable/reg/task_kit/0.2.0/Cargo.toml
[INFO] started frobbing task_kit-0.2.0
[INFO] finished frobbing task_kit-0.2.0
[INFO] frobbed toml for task_kit-0.2.0 written to work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/reg/task_kit/0.2.0/Cargo.toml
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+stable" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+stable" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+stable" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+stable" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] linting task_kit-0.2.0 against stable for clippy-test-run
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/clippy-test-run/worker-5/stable:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/clippy-test-run/sources/stable/reg/task_kit/0.2.0:/opt/crater/workdir:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/opt/crater/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/opt/crater/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/crater/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/crater/cargo-home" "-e" "RUSTUP_HOME=/opt/crater/rustup-home" "-w" "/opt/crater/workdir" "-m" "1536M" "--network" "none" "rustops/crates-build-env" "/opt/crater/cargo-home/bin/cargo" "+stable" "clippy" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] bbbdf04b69df6ba958c1bce8285ab6699a076553304fcf24640542a190de9f80
[INFO] running `"docker" "start" "-a" "bbbdf04b69df6ba958c1bce8285ab6699a076553304fcf24640542a190de9f80"`
[INFO] [stderr]     Checking task_kit v0.2.0 (/opt/crater/workdir)
[INFO] [stderr] warning: module has the same name as its containing module
[INFO] [stderr]  --> src/runner/mod.rs:2:1
[INFO] [stderr]   |
[INFO] [stderr] 2 | mod runner;
[INFO] [stderr]   | ^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: #[warn(clippy::module_inception)] on by default
[INFO] [stderr]   = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#module_inception
[INFO] [stderr] 
[INFO] [stderr] warning: module has the same name as its containing module
[INFO] [stderr]  --> src/task/mod.rs:2:1
[INFO] [stderr]   |
[INFO] [stderr] 2 | mod task;
[INFO] [stderr]   | ^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#module_inception
[INFO] [stderr] 
[INFO] [stderr] warning: module has the same name as its containing module
[INFO] [stderr]  --> src/runner/mod.rs:2:1
[INFO] [stderr]   |
[INFO] [stderr] 2 | mod runner;
[INFO] [stderr]   | ^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: #[warn(clippy::module_inception)] on by default
[INFO] [stderr]   = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#module_inception
[INFO] [stderr] 
[INFO] [stderr] warning: module has the same name as its containing module
[INFO] [stderr]  --> src/task/mod.rs:2:1
[INFO] [stderr]   |
[INFO] [stderr] 2 | mod task;
[INFO] [stderr]   | ^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#module_inception
[INFO] [stderr] 
[INFO] [stderr] warning: you should consider deriving a `Default` implementation for `runner::runner::Runner`
[INFO] [stderr]   --> src/runner/runner.rs:23:3
[INFO] [stderr]    |
[INFO] [stderr] 23 | /   pub fn new() -> Self {
[INFO] [stderr] 24 | |     Self::with_worker_count(num_cpus::get() + 1)
[INFO] [stderr] 25 | |   }
[INFO] [stderr]    | |___^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(clippy::new_without_default_derive)] on by default
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#new_without_default_derive
[INFO] [stderr] help: try this
[INFO] [stderr]    |
[INFO] [stderr] 16 | #[derive(Default)]
[INFO] [stderr]    |
[INFO] [stderr] 
[INFO] [stderr] warning: item `runner::task_queue_set::TaskQueueSet` has a public `len` method but no corresponding `is_empty` method
[INFO] [stderr]   --> src/runner/task_queue_set.rs:10:1
[INFO] [stderr]    |
[INFO] [stderr] 10 | / impl TaskQueueSet {
[INFO] [stderr] 11 | |   pub fn new() -> Self {
[INFO] [stderr] 12 | |     Self::default()
[INFO] [stderr] 13 | |   }
[INFO] [stderr] ...  |
[INFO] [stderr] 44 | |   }
[INFO] [stderr] 45 | | }
[INFO] [stderr]    | |_^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(clippy::len_without_is_empty)] on by default
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#len_without_is_empty
[INFO] [stderr] 
[INFO] [stderr] warning: item `runner::task_queue::TaskQueue` has a public `len` method but no corresponding `is_empty` method
[INFO] [stderr]   --> src/runner/task_queue.rs:8:1
[INFO] [stderr]    |
[INFO] [stderr] 8  | / impl TaskQueue {
[INFO] [stderr] 9  | |   pub fn new() -> Self {
[INFO] [stderr] 10 | |     Self::default()
[INFO] [stderr] 11 | |   }
[INFO] [stderr] ...  |
[INFO] [stderr] 43 | |   }
[INFO] [stderr] 44 | | }
[INFO] [stderr]    | |_^
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#len_without_is_empty
[INFO] [stderr] 
[INFO] [stderr] warning: Consider using an AtomicBool instead of a Mutex here. If you just want the locking behaviour and not the internal type, consider using Mutex<()>.
[INFO] [stderr]   --> src/runner/worker.rs:14:31
[INFO] [stderr]    |
[INFO] [stderr] 14 |     let is_running = Arc::new(Mutex::new(true));
[INFO] [stderr]    |                               ^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(clippy::mutex_atomic)] on by default
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#mutex_atomic
[INFO] [stderr] 
[INFO] [stderr] warning: length comparison to zero
[INFO] [stderr]   --> src/runner/worker.rs:86:8
[INFO] [stderr]    |
[INFO] [stderr] 86 |     if tasks.len() > 0 {
[INFO] [stderr]    |        ^^^^^^^^^^^^^^^ help: using `is_empty` is clearer and more explicit: `!tasks.is_empty()`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(clippy::len_zero)] on by default
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#len_zero
[INFO] [stderr] 
[INFO] [stderr] warning: you don't need to add `&` to all patterns
[INFO] [stderr]   --> src/task/state.rs:15:5
[INFO] [stderr]    |
[INFO] [stderr] 15 | /     if let &State::Pending = self {
[INFO] [stderr] 16 | |       return true;
[INFO] [stderr] 17 | |     }
[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] 15 |     if let State::Pending = *self {
[INFO] [stderr]    |            ^^^^^^^^^^^^^^   ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: you don't need to add `&` to all patterns
[INFO] [stderr]   --> src/task/state.rs:22:5
[INFO] [stderr]    |
[INFO] [stderr] 22 | /     if let &State::Resolve(_) = self {
[INFO] [stderr] 23 | |       return true;
[INFO] [stderr] 24 | |     }
[INFO] [stderr]    | |_____^
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#match_ref_pats
[INFO] [stderr] help: instead of prefixing all patterns with `&`, you can dereference the expression
[INFO] [stderr]    |
[INFO] [stderr] 22 |     if let State::Resolve(_) = *self {
[INFO] [stderr]    |            ^^^^^^^^^^^^^^^^^   ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: you don't need to add `&` to all patterns
[INFO] [stderr]   --> src/task/state.rs:29:5
[INFO] [stderr]    |
[INFO] [stderr] 29 | /     if let &State::Resolved = self {
[INFO] [stderr] 30 | |       return true;
[INFO] [stderr] 31 | |     }
[INFO] [stderr]    | |_____^
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#match_ref_pats
[INFO] [stderr] help: instead of prefixing all patterns with `&`, you can dereference the expression
[INFO] [stderr]    |
[INFO] [stderr] 29 |     if let State::Resolved = *self {
[INFO] [stderr]    |            ^^^^^^^^^^^^^^^   ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: you don't need to add `&` to all patterns
[INFO] [stderr]   --> src/task/state.rs:36:5
[INFO] [stderr]    |
[INFO] [stderr] 36 | /     if let &State::Reject(_) = self {
[INFO] [stderr] 37 | |       return true;
[INFO] [stderr] 38 | |     }
[INFO] [stderr]    | |_____^
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#match_ref_pats
[INFO] [stderr] help: instead of prefixing all patterns with `&`, you can dereference the expression
[INFO] [stderr]    |
[INFO] [stderr] 36 |     if let State::Reject(_) = *self {
[INFO] [stderr]    |            ^^^^^^^^^^^^^^^^   ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: you don't need to add `&` to all patterns
[INFO] [stderr]   --> src/task/state.rs:43:5
[INFO] [stderr]    |
[INFO] [stderr] 43 | /     if let &State::Rejected = self {
[INFO] [stderr] 44 | |       return true;
[INFO] [stderr] 45 | |     }
[INFO] [stderr]    | |_____^
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#match_ref_pats
[INFO] [stderr] help: instead of prefixing all patterns with `&`, you can dereference the expression
[INFO] [stderr]    |
[INFO] [stderr] 43 |     if let State::Rejected = *self {
[INFO] [stderr]    |            ^^^^^^^^^^^^^^^   ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: you don't need to add `&` to all patterns
[INFO] [stderr]   --> src/task/state.rs:66:5
[INFO] [stderr]    |
[INFO] [stderr] 66 | /     match self {
[INFO] [stderr] 67 | |       &State::Pending => State::Pending,
[INFO] [stderr] 68 | |       &State::Resolve(ref r) => State::Resolve(r),
[INFO] [stderr] 69 | |       &State::Resolved => State::Resolved,
[INFO] [stderr] 70 | |       &State::Reject(ref e) => State::Reject(e),
[INFO] [stderr] 71 | |       &State::Rejected => State::Rejected,
[INFO] [stderr] 72 | |     }
[INFO] [stderr]    | |_____^
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#match_ref_pats
[INFO] [stderr] help: instead of prefixing all patterns with `&`, you can dereference the expression
[INFO] [stderr]    |
[INFO] [stderr] 66 |     match *self {
[INFO] [stderr] 67 |       State::Pending => State::Pending,
[INFO] [stderr] 68 |       State::Resolve(ref r) => State::Resolve(r),
[INFO] [stderr] 69 |       State::Resolved => State::Resolved,
[INFO] [stderr] 70 |       State::Reject(ref e) => State::Reject(e),
[INFO] [stderr] 71 |       State::Rejected => State::Rejected,
[INFO] [stderr]    |
[INFO] [stderr] 
[INFO] [stderr] warning: you don't need to add `&` to all patterns
[INFO] [stderr]   --> src/task/state.rs:76:5
[INFO] [stderr]    |
[INFO] [stderr] 76 | /     match self {
[INFO] [stderr] 77 | |       &mut State::Pending => State::Pending,
[INFO] [stderr] 78 | |       &mut State::Resolve(ref mut r) => State::Resolve(r),
[INFO] [stderr] 79 | |       &mut State::Resolved => State::Resolved,
[INFO] [stderr] 80 | |       &mut State::Reject(ref mut e) => State::Reject(e),
[INFO] [stderr] 81 | |       &mut State::Rejected => State::Rejected,
[INFO] [stderr] 82 | |     }
[INFO] [stderr]    | |_____^
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#match_ref_pats
[INFO] [stderr] help: instead of prefixing all patterns with `&`, you can dereference the expression
[INFO] [stderr]    |
[INFO] [stderr] 76 |     match *self {
[INFO] [stderr] 77 |       State::Pending => State::Pending,
[INFO] [stderr] 78 |       State::Resolve(ref mut r) => State::Resolve(r),
[INFO] [stderr] 79 |       State::Resolved => State::Resolved,
[INFO] [stderr] 80 |       State::Reject(ref mut e) => State::Reject(e),
[INFO] [stderr] 81 |       State::Rejected => State::Rejected,
[INFO] [stderr]    |
[INFO] [stderr] 
[INFO] [stderr] warning: you don't need to add `&` to all patterns
[INFO] [stderr]    --> src/task/state.rs:181:5
[INFO] [stderr]     |
[INFO] [stderr] 181 | /     match self {
[INFO] [stderr] 182 | |       &mut State::Pending => State::Pending,
[INFO] [stderr] 183 | |       &mut State::Resolve(_) => mem::replace(self, State::Resolved),
[INFO] [stderr] 184 | |       &mut State::Resolved => State::Resolved,
[INFO] [stderr] 185 | |       &mut State::Reject(_) => mem::replace(self, State::Rejected),
[INFO] [stderr] 186 | |       &mut State::Rejected => State::Rejected,
[INFO] [stderr] 187 | |     }
[INFO] [stderr]     | |_____^
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#match_ref_pats
[INFO] [stderr] help: instead of prefixing all patterns with `&`, you can dereference the expression
[INFO] [stderr]     |
[INFO] [stderr] 181 |     match *self {
[INFO] [stderr] 182 |       State::Pending => State::Pending,
[INFO] [stderr] 183 |       State::Resolve(_) => mem::replace(self, State::Resolved),
[INFO] [stderr] 184 |       State::Resolved => State::Resolved,
[INFO] [stderr] 185 |       State::Reject(_) => mem::replace(self, State::Rejected),
[INFO] [stderr] 186 |       State::Rejected => State::Rejected,
[INFO] [stderr]     |
[INFO] [stderr] 
[INFO] [stderr] warning: you don't need to add `&` to all patterns
[INFO] [stderr]    --> src/task/state.rs:274:13
[INFO] [stderr]     |
[INFO] [stderr] 274 |       *self = match source {
[INFO] [stderr]     |  _____________^
[INFO] [stderr] 275 | |       &State::Pending => State::Pending,
[INFO] [stderr] 276 | |       &State::Resolve(ref r) => State::Resolve(r.clone()),
[INFO] [stderr] 277 | |       &State::Resolved => State::Resolved,
[INFO] [stderr] 278 | |       &State::Reject(ref e) => State::Reject(e.clone()),
[INFO] [stderr] 279 | |       &State::Rejected => State::Rejected,
[INFO] [stderr] 280 | |     };
[INFO] [stderr]     | |_____^
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#match_ref_pats
[INFO] [stderr] help: instead of prefixing all patterns with `&`, you can dereference the expression
[INFO] [stderr]     |
[INFO] [stderr] 274 |     *self = match *source {
[INFO] [stderr] 275 |       State::Pending => State::Pending,
[INFO] [stderr] 276 |       State::Resolve(ref r) => State::Resolve(r.clone()),
[INFO] [stderr] 277 |       State::Resolved => State::Resolved,
[INFO] [stderr] 278 |       State::Reject(ref e) => State::Reject(e.clone()),
[INFO] [stderr] 279 |       State::Rejected => State::Rejected,
[INFO] [stderr]     |
[INFO] [stderr] 
[INFO] [stderr] warning: you don't need to add `&` to all patterns
[INFO] [stderr]    --> src/task/state.rs:286:5
[INFO] [stderr]     |
[INFO] [stderr] 286 | /     match self {
[INFO] [stderr] 287 | |       &State::Pending => write!(f, "State::Pending"),
[INFO] [stderr] 288 | |       &State::Resolve(_) => write!(f, "State::Resolve"),
[INFO] [stderr] 289 | |       &State::Resolved => write!(f, "State::Resolved"),
[INFO] [stderr] 290 | |       &State::Reject(_) => write!(f, "State::Reject"),
[INFO] [stderr] 291 | |       &State::Rejected => write!(f, "State::Rejected"),
[INFO] [stderr] 292 | |     }
[INFO] [stderr]     | |_____^
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#match_ref_pats
[INFO] [stderr] help: instead of prefixing all patterns with `&`, you can dereference the expression
[INFO] [stderr]     |
[INFO] [stderr] 286 |     match *self {
[INFO] [stderr] 287 |       State::Pending => write!(f, "State::Pending"),
[INFO] [stderr] 288 |       State::Resolve(_) => write!(f, "State::Resolve"),
[INFO] [stderr] 289 |       State::Resolved => write!(f, "State::Resolved"),
[INFO] [stderr] 290 |       State::Reject(_) => write!(f, "State::Reject"),
[INFO] [stderr] 291 |       State::Rejected => write!(f, "State::Rejected"),
[INFO] [stderr]     |
[INFO] [stderr] 
[INFO] [stderr] warning: passing a unit value to a function
[INFO] [stderr]    --> src/task/task.rs:278:39
[INFO] [stderr]     |
[INFO] [stderr] 278 |     self.then(move |r| State::Resolve(done(r)))
[INFO] [stderr]     |                                       ^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(clippy::unit_arg)] on by default
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#unit_arg
[INFO] [stderr] help: if you intended to pass a unit value, use a unit literal instead
[INFO] [stderr]     |
[INFO] [stderr] 278 |     self.then(move |r| State::Resolve(()))
[INFO] [stderr]     |                                       ^^
[INFO] [stderr] 
[INFO] [stderr] warning: passing a unit value to a function
[INFO] [stderr]    --> src/task/task.rs:304:41
[INFO] [stderr]     |
[INFO] [stderr] 304 |     self.recover(move |e| State::Reject(catch(e)))
[INFO] [stderr]     |                                         ^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#unit_arg
[INFO] [stderr] help: if you intended to pass a unit value, use a unit literal instead
[INFO] [stderr]     |
[INFO] [stderr] 304 |     self.recover(move |e| State::Reject(()))
[INFO] [stderr]     |                                         ^^
[INFO] [stderr] 
[INFO] [stderr] warning: you should consider deriving a `Default` implementation for `runner::runner::Runner`
[INFO] [stderr]   --> src/runner/runner.rs:23:3
[INFO] [stderr]    |
[INFO] [stderr] 23 | /   pub fn new() -> Self {
[INFO] [stderr] 24 | |     Self::with_worker_count(num_cpus::get() + 1)
[INFO] [stderr] 25 | |   }
[INFO] [stderr]    | |___^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(clippy::new_without_default_derive)] on by default
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#new_without_default_derive
[INFO] [stderr] help: try this
[INFO] [stderr]    |
[INFO] [stderr] 16 | #[derive(Default)]
[INFO] [stderr]    |
[INFO] [stderr] 
[INFO] [stderr] warning: item `runner::task_queue_set::TaskQueueSet` has a public `len` method but no corresponding `is_empty` method
[INFO] [stderr]   --> src/runner/task_queue_set.rs:10:1
[INFO] [stderr]    |
[INFO] [stderr] 10 | / impl TaskQueueSet {
[INFO] [stderr] 11 | |   pub fn new() -> Self {
[INFO] [stderr] 12 | |     Self::default()
[INFO] [stderr] 13 | |   }
[INFO] [stderr] ...  |
[INFO] [stderr] 44 | |   }
[INFO] [stderr] 45 | | }
[INFO] [stderr]    | |_^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(clippy::len_without_is_empty)] on by default
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#len_without_is_empty
[INFO] [stderr] 
[INFO] [stderr] warning: item `runner::task_queue::TaskQueue` has a public `len` method but no corresponding `is_empty` method
[INFO] [stderr]   --> src/runner/task_queue.rs:8:1
[INFO] [stderr]    |
[INFO] [stderr] 8  | / impl TaskQueue {
[INFO] [stderr] 9  | |   pub fn new() -> Self {
[INFO] [stderr] 10 | |     Self::default()
[INFO] [stderr] 11 | |   }
[INFO] [stderr] ...  |
[INFO] [stderr] 43 | |   }
[INFO] [stderr] 44 | | }
[INFO] [stderr]    | |_^
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#len_without_is_empty
[INFO] [stderr] 
[INFO] [stderr] warning: Consider using an AtomicBool instead of a Mutex here. If you just want the locking behaviour and not the internal type, consider using Mutex<()>.
[INFO] [stderr]   --> src/runner/worker.rs:14:31
[INFO] [stderr]    |
[INFO] [stderr] 14 |     let is_running = Arc::new(Mutex::new(true));
[INFO] [stderr]    |                               ^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(clippy::mutex_atomic)] on by default
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#mutex_atomic
[INFO] [stderr] 
[INFO] [stderr] warning: length comparison to zero
[INFO] [stderr]   --> src/runner/worker.rs:86:8
[INFO] [stderr]    |
[INFO] [stderr] 86 |     if tasks.len() > 0 {
[INFO] [stderr]    |        ^^^^^^^^^^^^^^^ help: using `is_empty` is clearer and more explicit: `!tasks.is_empty()`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(clippy::len_zero)] on by default
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#len_zero
[INFO] [stderr] 
[INFO] [stderr] warning: you don't need to add `&` to all patterns
[INFO] [stderr]   --> src/task/state.rs:15:5
[INFO] [stderr]    |
[INFO] [stderr] 15 | /     if let &State::Pending = self {
[INFO] [stderr] 16 | |       return true;
[INFO] [stderr] 17 | |     }
[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] 15 |     if let State::Pending = *self {
[INFO] [stderr]    |            ^^^^^^^^^^^^^^   ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: you don't need to add `&` to all patterns
[INFO] [stderr]   --> src/task/state.rs:22:5
[INFO] [stderr]    |
[INFO] [stderr] 22 | /     if let &State::Resolve(_) = self {
[INFO] [stderr] 23 | |       return true;
[INFO] [stderr] 24 | |     }
[INFO] [stderr]    | |_____^
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#match_ref_pats
[INFO] [stderr] help: instead of prefixing all patterns with `&`, you can dereference the expression
[INFO] [stderr]    |
[INFO] [stderr] 22 |     if let State::Resolve(_) = *self {
[INFO] [stderr]    |            ^^^^^^^^^^^^^^^^^   ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: you don't need to add `&` to all patterns
[INFO] [stderr]   --> src/task/state.rs:29:5
[INFO] [stderr]    |
[INFO] [stderr] 29 | /     if let &State::Resolved = self {
[INFO] [stderr] 30 | |       return true;
[INFO] [stderr] 31 | |     }
[INFO] [stderr]    | |_____^
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#match_ref_pats
[INFO] [stderr] help: instead of prefixing all patterns with `&`, you can dereference the expression
[INFO] [stderr]    |
[INFO] [stderr] 29 |     if let State::Resolved = *self {
[INFO] [stderr]    |            ^^^^^^^^^^^^^^^   ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: you don't need to add `&` to all patterns
[INFO] [stderr]   --> src/task/state.rs:36:5
[INFO] [stderr]    |
[INFO] [stderr] 36 | /     if let &State::Reject(_) = self {
[INFO] [stderr] 37 | |       return true;
[INFO] [stderr] 38 | |     }
[INFO] [stderr]    | |_____^
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#match_ref_pats
[INFO] [stderr] help: instead of prefixing all patterns with `&`, you can dereference the expression
[INFO] [stderr]    |
[INFO] [stderr] 36 |     if let State::Reject(_) = *self {
[INFO] [stderr]    |            ^^^^^^^^^^^^^^^^   ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: you don't need to add `&` to all patterns
[INFO] [stderr]   --> src/task/state.rs:43:5
[INFO] [stderr]    |
[INFO] [stderr] 43 | /     if let &State::Rejected = self {
[INFO] [stderr] 44 | |       return true;
[INFO] [stderr] 45 | |     }
[INFO] [stderr]    | |_____^
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#match_ref_pats
[INFO] [stderr] help: instead of prefixing all patterns with `&`, you can dereference the expression
[INFO] [stderr]    |
[INFO] [stderr] 43 |     if let State::Rejected = *self {
[INFO] [stderr]    |            ^^^^^^^^^^^^^^^   ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: you don't need to add `&` to all patterns
[INFO] [stderr]   --> src/task/state.rs:66:5
[INFO] [stderr]    |
[INFO] [stderr] 66 | /     match self {
[INFO] [stderr] 67 | |       &State::Pending => State::Pending,
[INFO] [stderr] 68 | |       &State::Resolve(ref r) => State::Resolve(r),
[INFO] [stderr] 69 | |       &State::Resolved => State::Resolved,
[INFO] [stderr] 70 | |       &State::Reject(ref e) => State::Reject(e),
[INFO] [stderr] 71 | |       &State::Rejected => State::Rejected,
[INFO] [stderr] 72 | |     }
[INFO] [stderr]    | |_____^
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#match_ref_pats
[INFO] [stderr] help: instead of prefixing all patterns with `&`, you can dereference the expression
[INFO] [stderr]    |
[INFO] [stderr] 66 |     match *self {
[INFO] [stderr] 67 |       State::Pending => State::Pending,
[INFO] [stderr] 68 |       State::Resolve(ref r) => State::Resolve(r),
[INFO] [stderr] 69 |       State::Resolved => State::Resolved,
[INFO] [stderr] 70 |       State::Reject(ref e) => State::Reject(e),
[INFO] [stderr] 71 |       State::Rejected => State::Rejected,
[INFO] [stderr]    |
[INFO] [stderr] 
[INFO] [stderr] warning: you don't need to add `&` to all patterns
[INFO] [stderr]   --> src/task/state.rs:76:5
[INFO] [stderr]    |
[INFO] [stderr] 76 | /     match self {
[INFO] [stderr] 77 | |       &mut State::Pending => State::Pending,
[INFO] [stderr] 78 | |       &mut State::Resolve(ref mut r) => State::Resolve(r),
[INFO] [stderr] 79 | |       &mut State::Resolved => State::Resolved,
[INFO] [stderr] 80 | |       &mut State::Reject(ref mut e) => State::Reject(e),
[INFO] [stderr] 81 | |       &mut State::Rejected => State::Rejected,
[INFO] [stderr] 82 | |     }
[INFO] [stderr]    | |_____^
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#match_ref_pats
[INFO] [stderr] help: instead of prefixing all patterns with `&`, you can dereference the expression
[INFO] [stderr]    |
[INFO] [stderr] 76 |     match *self {
[INFO] [stderr] 77 |       State::Pending => State::Pending,
[INFO] [stderr] 78 |       State::Resolve(ref mut r) => State::Resolve(r),
[INFO] [stderr] 79 |       State::Resolved => State::Resolved,
[INFO] [stderr] 80 |       State::Reject(ref mut e) => State::Reject(e),
[INFO] [stderr] 81 |       State::Rejected => State::Rejected,
[INFO] [stderr]    |
[INFO] [stderr] 
[INFO] [stderr] warning: you don't need to add `&` to all patterns
[INFO] [stderr]    --> src/task/state.rs:181:5
[INFO] [stderr]     |
[INFO] [stderr] 181 | /     match self {
[INFO] [stderr] 182 | |       &mut State::Pending => State::Pending,
[INFO] [stderr] 183 | |       &mut State::Resolve(_) => mem::replace(self, State::Resolved),
[INFO] [stderr] 184 | |       &mut State::Resolved => State::Resolved,
[INFO] [stderr] 185 | |       &mut State::Reject(_) => mem::replace(self, State::Rejected),
[INFO] [stderr] 186 | |       &mut State::Rejected => State::Rejected,
[INFO] [stderr] 187 | |     }
[INFO] [stderr]     | |_____^
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#match_ref_pats
[INFO] [stderr] help: instead of prefixing all patterns with `&`, you can dereference the expression
[INFO] [stderr]     |
[INFO] [stderr] 181 |     match *self {
[INFO] [stderr] 182 |       State::Pending => State::Pending,
[INFO] [stderr] 183 |       State::Resolve(_) => mem::replace(self, State::Resolved),
[INFO] [stderr] 184 |       State::Resolved => State::Resolved,
[INFO] [stderr] 185 |       State::Reject(_) => mem::replace(self, State::Rejected),
[INFO] [stderr] 186 |       State::Rejected => State::Rejected,
[INFO] [stderr]     |
[INFO] [stderr] 
[INFO] [stderr] warning: you don't need to add `&` to all patterns
[INFO] [stderr]    --> src/task/state.rs:274:13
[INFO] [stderr]     |
[INFO] [stderr] 274 |       *self = match source {
[INFO] [stderr]     |  _____________^
[INFO] [stderr] 275 | |       &State::Pending => State::Pending,
[INFO] [stderr] 276 | |       &State::Resolve(ref r) => State::Resolve(r.clone()),
[INFO] [stderr] 277 | |       &State::Resolved => State::Resolved,
[INFO] [stderr] 278 | |       &State::Reject(ref e) => State::Reject(e.clone()),
[INFO] [stderr] 279 | |       &State::Rejected => State::Rejected,
[INFO] [stderr] 280 | |     };
[INFO] [stderr]     | |_____^
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#match_ref_pats
[INFO] [stderr] help: instead of prefixing all patterns with `&`, you can dereference the expression
[INFO] [stderr]     |
[INFO] [stderr] 274 |     *self = match *source {
[INFO] [stderr] 275 |       State::Pending => State::Pending,
[INFO] [stderr] 276 |       State::Resolve(ref r) => State::Resolve(r.clone()),
[INFO] [stderr] 277 |       State::Resolved => State::Resolved,
[INFO] [stderr] 278 |       State::Reject(ref e) => State::Reject(e.clone()),
[INFO] [stderr] 279 |       State::Rejected => State::Rejected,
[INFO] [stderr]     |
[INFO] [stderr] 
[INFO] [stderr] warning: you don't need to add `&` to all patterns
[INFO] [stderr]    --> src/task/state.rs:286:5
[INFO] [stderr]     |
[INFO] [stderr] 286 | /     match self {
[INFO] [stderr] 287 | |       &State::Pending => write!(f, "State::Pending"),
[INFO] [stderr] 288 | |       &State::Resolve(_) => write!(f, "State::Resolve"),
[INFO] [stderr] 289 | |       &State::Resolved => write!(f, "State::Resolved"),
[INFO] [stderr] 290 | |       &State::Reject(_) => write!(f, "State::Reject"),
[INFO] [stderr] 291 | |       &State::Rejected => write!(f, "State::Rejected"),
[INFO] [stderr] 292 | |     }
[INFO] [stderr]     | |_____^
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#match_ref_pats
[INFO] [stderr] help: instead of prefixing all patterns with `&`, you can dereference the expression
[INFO] [stderr]     |
[INFO] [stderr] 286 |     match *self {
[INFO] [stderr] 287 |       State::Pending => write!(f, "State::Pending"),
[INFO] [stderr] 288 |       State::Resolve(_) => write!(f, "State::Resolve"),
[INFO] [stderr] 289 |       State::Resolved => write!(f, "State::Resolved"),
[INFO] [stderr] 290 |       State::Reject(_) => write!(f, "State::Reject"),
[INFO] [stderr] 291 |       State::Rejected => write!(f, "State::Rejected"),
[INFO] [stderr]     |
[INFO] [stderr] 
[INFO] [stderr] warning: passing a unit value to a function
[INFO] [stderr]    --> src/task/task.rs:278:39
[INFO] [stderr]     |
[INFO] [stderr] 278 |     self.then(move |r| State::Resolve(done(r)))
[INFO] [stderr]     |                                       ^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(clippy::unit_arg)] on by default
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#unit_arg
[INFO] [stderr] help: if you intended to pass a unit value, use a unit literal instead
[INFO] [stderr]     |
[INFO] [stderr] 278 |     self.then(move |r| State::Resolve(()))
[INFO] [stderr]     |                                       ^^
[INFO] [stderr] 
[INFO] [stderr] warning: passing a unit value to a function
[INFO] [stderr]    --> src/task/task.rs:304:41
[INFO] [stderr]     |
[INFO] [stderr] 304 |     self.recover(move |e| State::Reject(catch(e)))
[INFO] [stderr]     |                                         ^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#unit_arg
[INFO] [stderr] help: if you intended to pass a unit value, use a unit literal instead
[INFO] [stderr]     |
[INFO] [stderr] 304 |     self.recover(move |e| State::Reject(()))
[INFO] [stderr]     |                                         ^^
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.91s
[INFO] running `"docker" "inspect" "bbbdf04b69df6ba958c1bce8285ab6699a076553304fcf24640542a190de9f80"`
[INFO] running `"docker" "rm" "-f" "bbbdf04b69df6ba958c1bce8285ab6699a076553304fcf24640542a190de9f80"`
[INFO] [stdout] bbbdf04b69df6ba958c1bce8285ab6699a076553304fcf24640542a190de9f80