[INFO] crate mongors 0.2.2 is already in cache
[INFO] extracting crate mongors 0.2.2 into work/ex/clippy-test-run/sources/stable/reg/mongors/0.2.2
[INFO] extracting crate mongors 0.2.2 into work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/reg/mongors/0.2.2
[INFO] validating manifest of mongors-0.2.2 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 mongors-0.2.2 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 mongors-0.2.2
[INFO] finished frobbing mongors-0.2.2
[INFO] frobbed toml for mongors-0.2.2 written to work/ex/clippy-test-run/sources/stable/reg/mongors/0.2.2/Cargo.toml
[INFO] started frobbing mongors-0.2.2
[INFO] finished frobbing mongors-0.2.2
[INFO] frobbed toml for mongors-0.2.2 written to work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/reg/mongors/0.2.2/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 mongors-0.2.2 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/reg/mongors/0.2.2:/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] 72b87ab077c17bbad9848f93807461de15837f01b2259dc95ed31fb5a0d33e1f
[INFO] running `"docker" "start" "-a" "72b87ab077c17bbad9848f93807461de15837f01b2259dc95ed31fb5a0d33e1f"`
[INFO] [stderr]     Checking mongors v0.2.2 (/opt/crater/workdir)
[INFO] [stderr] warning: lint name `map_entry` is deprecated and may not have an effect in the future. Also `cfg_attr(cargo-clippy)` won't be necessary anymore
[INFO] [stderr]  --> src/lib.rs:1:45
[INFO] [stderr]   |
[INFO] [stderr] 1 | #![cfg_attr(feature = "cargo-clippy", allow(map_entry))]
[INFO] [stderr]   |                                             ^^^^^^^^^ help: change it to: `clippy::map_entry`
[INFO] [stderr]   |
[INFO] [stderr]   = note: #[warn(renamed_and_removed_lints)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: redundant field names in struct initialization
[INFO] [stderr]    --> src/command/mod.rs:106:53
[INFO] [stderr]     |
[INFO] [stderr] 106 |             return Err(Error::CodedError(CodedError{code: code, errmsg: msg.to_string()}))
[INFO] [stderr]     |                                                     ^^^^^^^^^^ help: replace it with: `code`
[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/command/mod.rs:144:53
[INFO] [stderr]     |
[INFO] [stderr] 144 |             return Err(Error::CodedError(CodedError{code: code, errmsg: msg.to_string()}))
[INFO] [stderr]     |                                                     ^^^^^^^^^^ help: replace it with: `code`
[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: lint name `map_entry` is deprecated and may not have an effect in the future. Also `cfg_attr(cargo-clippy)` won't be necessary anymore
[INFO] [stderr]  --> src/lib.rs:1:45
[INFO] [stderr]   |
[INFO] [stderr] 1 | #![cfg_attr(feature = "cargo-clippy", allow(map_entry))]
[INFO] [stderr]   |                                             ^^^^^^^^^ help: change it to: `clippy::map_entry`
[INFO] [stderr]   |
[INFO] [stderr]   = note: #[warn(renamed_and_removed_lints)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: redundant field names in struct initialization
[INFO] [stderr]    --> src/command/mod.rs:106:53
[INFO] [stderr]     |
[INFO] [stderr] 106 |             return Err(Error::CodedError(CodedError{code: code, errmsg: msg.to_string()}))
[INFO] [stderr]     |                                                     ^^^^^^^^^^ help: replace it with: `code`
[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/command/mod.rs:144:53
[INFO] [stderr]     |
[INFO] [stderr] 144 |             return Err(Error::CodedError(CodedError{code: code, errmsg: msg.to_string()}))
[INFO] [stderr]     |                                                     ^^^^^^^^^^ help: replace it with: `code`
[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: lint name `map_entry` is deprecated and may not have an effect in the future. Also `cfg_attr(cargo-clippy)` won't be necessary anymore
[INFO] [stderr]  --> src/lib.rs:1:45
[INFO] [stderr]   |
[INFO] [stderr] 1 | #![cfg_attr(feature = "cargo-clippy", allow(map_entry))]
[INFO] [stderr]   |                                             ^^^^^^^^^ help: change it to: `clippy::map_entry`
[INFO] [stderr] 
[INFO] [stderr] warning: lint name `map_entry` is deprecated and may not have an effect in the future. Also `cfg_attr(cargo-clippy)` won't be necessary anymore
[INFO] [stderr]  --> src/lib.rs:1:45
[INFO] [stderr]   |
[INFO] [stderr] 1 | #![cfg_attr(feature = "cargo-clippy", allow(map_entry))]
[INFO] [stderr]   |                                             ^^^^^^^^^ help: change it to: `clippy::map_entry`
[INFO] [stderr] 
[INFO] [stderr] warning: module has the same name as its containing module
[INFO] [stderr]  --> src/bson/mod.rs:8:1
[INFO] [stderr]   |
[INFO] [stderr] 8 | pub mod bson;
[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: unneeded return statement
[INFO] [stderr]   --> src/message/mod.rs:65:13
[INFO] [stderr]    |
[INFO] [stderr] 65 | /             return Ok(doc!{
[INFO] [stderr] 66 | |                 identifier: docs
[INFO] [stderr] 67 | |             })
[INFO] [stderr]    | |______________^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(clippy::needless_return)] on by default
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_return
[INFO] [stderr] help: remove `return` as shown
[INFO] [stderr]    |
[INFO] [stderr] 65 |             Ok(doc!{
[INFO] [stderr] 66 |                 identifier: docs
[INFO] [stderr] 67 |             })
[INFO] [stderr]    |
[INFO] [stderr] 
[INFO] [stderr] warning: unneeded return statement
[INFO] [stderr]   --> src/message/mod.rs:70:13
[INFO] [stderr]    |
[INFO] [stderr] 70 |             return Ok(Document::from_slice(&self.payload)?)
[INFO] [stderr]    |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove `return` as shown: `Ok(Document::from_slice(&self.payload)?)`
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_return
[INFO] [stderr] 
[INFO] [stderr] warning: digit groups should be smaller
[INFO] [stderr]   --> src/message/mod.rs:81:34
[INFO] [stderr]    |
[INFO] [stderr] 81 |         const CHECKSUM_PRESENT = 0b0_00000000_00000001;
[INFO] [stderr]    |                                  ^^^^^^^^^^^^^^^^^^^^^ help: consider: `0b0_0000_0000_0000_0001`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(clippy::large_digit_groups)] on by default
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#large_digit_groups
[INFO] [stderr] 
[INFO] [stderr] warning: digit groups should be smaller
[INFO] [stderr]   --> src/message/mod.rs:82:34
[INFO] [stderr]    |
[INFO] [stderr] 82 |         const MORE_TO_COME     = 0b0_00000000_00000010;
[INFO] [stderr]    |                                  ^^^^^^^^^^^^^^^^^^^^^ help: consider: `0b0_0000_0000_0000_0010`
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#large_digit_groups
[INFO] [stderr] 
[INFO] [stderr] warning: digit groups should be smaller
[INFO] [stderr]   --> src/message/mod.rs:83:34
[INFO] [stderr]    |
[INFO] [stderr] 83 |         const EXHAUST_ALLOWED  = 0b1_00000000_00000000;
[INFO] [stderr]    |                                  ^^^^^^^^^^^^^^^^^^^^^ help: consider: `0b1_0000_0000_0000_0000`
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#large_digit_groups
[INFO] [stderr] 
[INFO] [stderr] warning: unneeded return statement
[INFO] [stderr]    --> src/command/mod.rs:167:9
[INFO] [stderr]     |
[INFO] [stderr] 167 |         return false
[INFO] [stderr]     |         ^^^^^^^^^^^^ help: remove `return` as shown: `false`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_return
[INFO] [stderr] 
[INFO] [stderr] warning: unneeded return statement
[INFO] [stderr]    --> src/command/mod.rs:169:9
[INFO] [stderr]     |
[INFO] [stderr] 169 |         return true
[INFO] [stderr]     |         ^^^^^^^^^^^ help: remove `return` as shown: `true`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_return
[INFO] [stderr] 
[INFO] [stderr] warning: module has the same name as its containing module
[INFO] [stderr]  --> src/bson/mod.rs:8:1
[INFO] [stderr]   |
[INFO] [stderr] 8 | pub mod bson;
[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: unneeded return statement
[INFO] [stderr]   --> src/message/mod.rs:65:13
[INFO] [stderr]    |
[INFO] [stderr] 65 | /             return Ok(doc!{
[INFO] [stderr] 66 | |                 identifier: docs
[INFO] [stderr] 67 | |             })
[INFO] [stderr]    | |______________^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(clippy::needless_return)] on by default
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_return
[INFO] [stderr] help: remove `return` as shown
[INFO] [stderr]    |
[INFO] [stderr] 65 |             Ok(doc!{
[INFO] [stderr] 66 |                 identifier: docs
[INFO] [stderr] 67 |             })
[INFO] [stderr]    |
[INFO] [stderr] 
[INFO] [stderr] warning: unneeded return statement
[INFO] [stderr]   --> src/message/mod.rs:70:13
[INFO] [stderr]    |
[INFO] [stderr] 70 |             return Ok(Document::from_slice(&self.payload)?)
[INFO] [stderr]    |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove `return` as shown: `Ok(Document::from_slice(&self.payload)?)`
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_return
[INFO] [stderr] 
[INFO] [stderr] warning: digit groups should be smaller
[INFO] [stderr]   --> src/message/mod.rs:81:34
[INFO] [stderr]    |
[INFO] [stderr] 81 |         const CHECKSUM_PRESENT = 0b0_00000000_00000001;
[INFO] [stderr]    |                                  ^^^^^^^^^^^^^^^^^^^^^ help: consider: `0b0_0000_0000_0000_0001`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(clippy::large_digit_groups)] on by default
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#large_digit_groups
[INFO] [stderr] 
[INFO] [stderr] warning: digit groups should be smaller
[INFO] [stderr]   --> src/message/mod.rs:82:34
[INFO] [stderr]    |
[INFO] [stderr] 82 |         const MORE_TO_COME     = 0b0_00000000_00000010;
[INFO] [stderr]    |                                  ^^^^^^^^^^^^^^^^^^^^^ help: consider: `0b0_0000_0000_0000_0010`
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#large_digit_groups
[INFO] [stderr] 
[INFO] [stderr] warning: digit groups should be smaller
[INFO] [stderr]   --> src/message/mod.rs:83:34
[INFO] [stderr]    |
[INFO] [stderr] 83 |         const EXHAUST_ALLOWED  = 0b1_00000000_00000000;
[INFO] [stderr]    |                                  ^^^^^^^^^^^^^^^^^^^^^ help: consider: `0b1_0000_0000_0000_0000`
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#large_digit_groups
[INFO] [stderr] 
[INFO] [stderr] warning: unneeded return statement
[INFO] [stderr]    --> src/command/mod.rs:167:9
[INFO] [stderr]     |
[INFO] [stderr] 167 |         return false
[INFO] [stderr]     |         ^^^^^^^^^^^^ help: remove `return` as shown: `false`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_return
[INFO] [stderr] 
[INFO] [stderr] warning: unneeded return statement
[INFO] [stderr]    --> src/command/mod.rs:169:9
[INFO] [stderr]     |
[INFO] [stderr] 169 |         return true
[INFO] [stderr]     |         ^^^^^^^^^^^ help: remove `return` as shown: `true`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_return
[INFO] [stderr] 
[INFO] [stderr] warning: very complex type used. Consider factoring parts into `type` definitions
[INFO] [stderr]    --> src/bson/doc.rs:291:12
[INFO] [stderr]     |
[INFO] [stderr] 291 |     inner: Map<DocumentIterator<'a>, fn((&'a String, &'a Bson)) -> &'a String>,
[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: very complex type used. Consider factoring parts into `type` definitions
[INFO] [stderr]    --> src/bson/doc.rs:295:12
[INFO] [stderr]     |
[INFO] [stderr] 295 |     inner: Map<DocumentIterator<'a>, fn((&'a String, &'a Bson)) -> &'a Bson>,
[INFO] [stderr]     |            ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#type_complexity
[INFO] [stderr] 
[INFO] [stderr] warning: redundant closure found
[INFO] [stderr]    --> src/bson/bson.rs:216:41
[INFO] [stderr]     |
[INFO] [stderr] 216 |         Bson::Array(vec.into_iter().map(|v| Bson::from(v)).collect::<Vec<Bson>>())
[INFO] [stderr]     |                                         ^^^^^^^^^^^^^^^^^ help: remove closure as shown: `Bson::from`
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(clippy::redundant_closure)] on by default
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#redundant_closure
[INFO] [stderr] 
[INFO] [stderr] warning: very complex type used. Consider factoring parts into `type` definitions
[INFO] [stderr]    --> src/bson/doc.rs:291:12
[INFO] [stderr]     |
[INFO] [stderr] 291 |     inner: Map<DocumentIterator<'a>, fn((&'a String, &'a Bson)) -> &'a String>,
[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: very complex type used. Consider factoring parts into `type` definitions
[INFO] [stderr]    --> src/bson/doc.rs:295:12
[INFO] [stderr]     |
[INFO] [stderr] 295 |     inner: Map<DocumentIterator<'a>, fn((&'a String, &'a Bson)) -> &'a Bson>,
[INFO] [stderr]     |            ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#type_complexity
[INFO] [stderr] 
[INFO] [stderr] warning: redundant closure found
[INFO] [stderr]    --> src/bson/bson.rs:216:41
[INFO] [stderr]     |
[INFO] [stderr] 216 |         Bson::Array(vec.into_iter().map(|v| Bson::from(v)).collect::<Vec<Bson>>())
[INFO] [stderr]     |                                         ^^^^^^^^^^^^^^^^^ help: remove closure as shown: `Bson::from`
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(clippy::redundant_closure)] on by default
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#redundant_closure
[INFO] [stderr] 
[INFO] [stderr] warning: item `message::Section` has a public `len` method but no corresponding `is_empty` method
[INFO] [stderr]   --> src/message/mod.rs:26:1
[INFO] [stderr]    |
[INFO] [stderr] 26 | / impl Section {
[INFO] [stderr] 27 | |     pub fn from_document(doc: &Document) -> EncodeResult<Section> {
[INFO] [stderr] 28 | |         Ok(Section {
[INFO] [stderr] 29 | |             payload_type: 0,
[INFO] [stderr] ...  |
[INFO] [stderr] 76 | |     }
[INFO] [stderr] 77 | | }
[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: writing `&Vec<_>` instead of `&[_]` involves one more reference and cannot be used with non-Vec-based slices.
[INFO] [stderr]   --> src/message/mod.rs:34:51
[INFO] [stderr]    |
[INFO] [stderr] 34 |     pub fn from_documents(identifier: &str, docs: &Vec<Document>) -> EncodeResult<Section> {
[INFO] [stderr]    |                                                   ^^^^^^^^^^^^^^ help: change this to: `&[Document]`
[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: item `message::OpMsg` has a public `len` method but no corresponding `is_empty` method
[INFO] [stderr]    --> src/message/mod.rs:95:1
[INFO] [stderr]     |
[INFO] [stderr] 95  | / impl OpMsg {
[INFO] [stderr] 96  | |     pub fn builder() -> OpMsgBuilder {
[INFO] [stderr] 97  | |         OpMsgBuilder::new()
[INFO] [stderr] 98  | |     }
[INFO] [stderr] ...   |
[INFO] [stderr] 224 | |     }
[INFO] [stderr] 225 | | }
[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] error: handle written amount returned or use `Write::write_all` instead
[INFO] [stderr]    --> src/message/mod.rs:132:13
[INFO] [stderr]     |
[INFO] [stderr] 132 |             buffer.write(&section.payload)?;
[INFO] [stderr]     |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[deny(clippy::unused_io_amount)] on by default
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#unused_io_amount
[INFO] [stderr] 
[INFO] [stderr] warning: this let-binding has unit value. Consider omitting `let _ =`
[INFO] [stderr]    --> src/message/mod.rs:135:9
[INFO] [stderr]     |
[INFO] [stderr] 135 |         let _ = buffer.flush()?;
[INFO] [stderr]     |         ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(clippy::let_unit_value)] on by default
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#let_unit_value
[INFO] [stderr] 
[INFO] [stderr] error: handle written amount returned or use `Write::write_all` instead
[INFO] [stderr]    --> src/message/mod.rs:185:17
[INFO] [stderr]     |
[INFO] [stderr] 185 |                 payload.write(&buf[0..size])?;
[INFO] [stderr]     |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#unused_io_amount
[INFO] [stderr] 
[INFO] [stderr] warning: you should consider adding a `Default` implementation for `message::OpMsgBuilder`
[INFO] [stderr]    --> src/message/mod.rs:232:5
[INFO] [stderr]     |
[INFO] [stderr] 232 | /     pub fn new() -> OpMsgBuilder {
[INFO] [stderr] 233 | |         OpMsgBuilder {
[INFO] [stderr] 234 | |             op_msg: OpMsg {
[INFO] [stderr] 235 | |                 header: Header {
[INFO] [stderr] ...   |
[INFO] [stderr] 244 | |         }
[INFO] [stderr] 245 | |     }
[INFO] [stderr]     | |_____^
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(clippy::new_without_default)] on by default
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#new_without_default
[INFO] [stderr] help: try this
[INFO] [stderr]     |
[INFO] [stderr] 231 | impl Default for message::OpMsgBuilder {
[INFO] [stderr] 232 |     fn default() -> Self {
[INFO] [stderr] 233 |         Self::new()
[INFO] [stderr] 234 |     }
[INFO] [stderr] 235 | }
[INFO] [stderr]     |
[INFO] [stderr] 
[INFO] [stderr] warning: redundant pattern matching, consider using `is_err()`
[INFO] [stderr]   --> src/command/mod.rs:67:12
[INFO] [stderr]    |
[INFO] [stderr] 67 |     if let Err(_) = client.run_start_hooks(&CommandStarted {
[INFO] [stderr]    |            ^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(clippy::redundant_pattern_matching)] on by default
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#redundant_pattern_matching
[INFO] [stderr] help: try this
[INFO] [stderr]    |
[INFO] [stderr] 67 |     if client.run_start_hooks(&CommandStarted {
[INFO] [stderr] 68 |         command: command.clone(),
[INFO] [stderr] 69 |         database_name: db_name,
[INFO] [stderr] 70 |         command_name: command_name.clone(),
[INFO] [stderr] 71 |         request_id: i64::from(request_msg.header.request_id),
[INFO] [stderr] 72 |         connection_string: connstring.clone()
[INFO] [stderr]  ...
[INFO] [stderr] 
[INFO] [stderr] warning: redundant pattern matching, consider using `is_err()`
[INFO] [stderr]   --> src/command/mod.rs:22:24
[INFO] [stderr]    |
[INFO] [stderr] 22 |                   if let Err(_) = $client.run_completion_hooks(&CommandResult::Failure {
[INFO] [stderr]    |                          ^^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 77 | /     try!(
[INFO] [stderr] 78 | |         client,
[INFO] [stderr] 79 | |         u64::from((Instant::now() - init_time).subsec_nanos()),
[INFO] [stderr] 80 | |         command_name,
[INFO] [stderr] ...  |
[INFO] [stderr] 83 | |         request_msg.write(socket)
[INFO] [stderr] 84 | |     );
[INFO] [stderr]    | |______- in this macro invocation
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#redundant_pattern_matching
[INFO] [stderr] help: try this
[INFO] [stderr]    |
[INFO] [stderr] 22 |                 if $client.run_completion_hooks(&CommandResult::Failure {
[INFO] [stderr] 23 |                     duration: $duration,
[INFO] [stderr] 24 |                     command_name: $command_name.clone(),
[INFO] [stderr] 25 |                     failure: &err,
[INFO] [stderr] 26 |                     request_id: $request_id,
[INFO] [stderr] 27 |                     connection_string: $connstring.clone()
[INFO] [stderr]  ...
[INFO] [stderr] 
[INFO] [stderr] warning: redundant pattern matching, consider using `is_err()`
[INFO] [stderr]   --> src/command/mod.rs:22:24
[INFO] [stderr]    |
[INFO] [stderr] 22 |                   if let Err(_) = $client.run_completion_hooks(&CommandResult::Failure {
[INFO] [stderr]    |                          ^^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 86 |       let response_msg = try!(
[INFO] [stderr]    |  ________________________-
[INFO] [stderr] 87 | |         client,
[INFO] [stderr] 88 | |         u64::from((Instant::now() - init_time).subsec_nanos()),
[INFO] [stderr] 89 | |         command_name,
[INFO] [stderr] ...  |
[INFO] [stderr] 92 | |         OpMsg::read(socket)
[INFO] [stderr] 93 | |     );
[INFO] [stderr]    | |_____- in this macro invocation
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#redundant_pattern_matching
[INFO] [stderr] help: try this
[INFO] [stderr]    |
[INFO] [stderr] 22 |                 if $client.run_completion_hooks(&CommandResult::Failure {
[INFO] [stderr] 23 |                     duration: $duration,
[INFO] [stderr] 24 |                     command_name: $command_name.clone(),
[INFO] [stderr] 25 |                     failure: &err,
[INFO] [stderr] 26 |                     request_id: $request_id,
[INFO] [stderr] 27 |                     connection_string: $connstring.clone()
[INFO] [stderr]  ...
[INFO] [stderr] 
[INFO] [stderr] warning: redundant pattern matching, consider using `is_err()`
[INFO] [stderr]    --> src/command/mod.rs:22:24
[INFO] [stderr]     |
[INFO] [stderr] 22  |                   if let Err(_) = $client.run_completion_hooks(&CommandResult::Failure {
[INFO] [stderr]     |                          ^^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 95  |       let doc = try!(
[INFO] [stderr]     |  _______________-
[INFO] [stderr] 96  | |         client,
[INFO] [stderr] 97  | |         u64::from((Instant::now() - init_time).subsec_nanos()),
[INFO] [stderr] 98  | |         command_name,
[INFO] [stderr] ...   |
[INFO] [stderr] 101 | |         response_msg.get_document()
[INFO] [stderr] 102 | |     );
[INFO] [stderr]     | |_____- in this macro invocation
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#redundant_pattern_matching
[INFO] [stderr] help: try this
[INFO] [stderr]     |
[INFO] [stderr] 22  |                 if $client.run_completion_hooks(&CommandResult::Failure {
[INFO] [stderr] 23  |                     duration: $duration,
[INFO] [stderr] 24  |                     command_name: $command_name.clone(),
[INFO] [stderr] 25  |                     failure: &err,
[INFO] [stderr] 26  |                     request_id: $request_id,
[INFO] [stderr] 27  |                     connection_string: $connstring.clone()
[INFO] [stderr]   ...
[INFO] [stderr] 
[INFO] [stderr] warning: redundant pattern matching, consider using `is_err()`
[INFO] [stderr]    --> src/command/mod.rs:110:12
[INFO] [stderr]     |
[INFO] [stderr] 110 |     if let Err(_) = client.run_completion_hooks(&CommandResult::Success {
[INFO] [stderr]     |            ^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#redundant_pattern_matching
[INFO] [stderr] help: try this
[INFO] [stderr]     |
[INFO] [stderr] 110 |     if client.run_completion_hooks(&CommandResult::Success {
[INFO] [stderr] 111 |         duration: u64::from((Instant::now() - init_time).subsec_nanos()),
[INFO] [stderr] 112 |         reply: &doc,
[INFO] [stderr] 113 |         command_name,
[INFO] [stderr] 114 |         request_id: i64::from(request_msg.header.request_id),
[INFO] [stderr] 115 |         connection_string: connstring
[INFO] [stderr]   ...
[INFO] [stderr] 
[INFO] [stderr] warning: this if-then-else expression returns a bool literal
[INFO] [stderr]    --> src/command/mod.rs:166:5
[INFO] [stderr]     |
[INFO] [stderr] 166 | /     if names.contains(&name) {
[INFO] [stderr] 167 | |         return false
[INFO] [stderr] 168 | |     } else {
[INFO] [stderr] 169 | |         return true
[INFO] [stderr] 170 | |     }
[INFO] [stderr]     | |_____^ help: you can reduce it to: `return !names.contains(&name)`
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(clippy::needless_bool)] on by default
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_bool
[INFO] [stderr] 
[INFO] [stderr] warning: length comparison to zero
[INFO] [stderr]   --> src/read_preference.rs:82:12
[INFO] [stderr]    |
[INFO] [stderr] 82 |         if bson_tag_sets.len() > 0 {
[INFO] [stderr]    |            ^^^^^^^^^^^^^^^^^^^^^^^ help: using `is_empty` is clearer and more explicit: `!bson_tag_sets.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: item `message::Section` has a public `len` method but no corresponding `is_empty` method
[INFO] [stderr]   --> src/message/mod.rs:26:1
[INFO] [stderr]    |
[INFO] [stderr] 26 | / impl Section {
[INFO] [stderr] 27 | |     pub fn from_document(doc: &Document) -> EncodeResult<Section> {
[INFO] [stderr] 28 | |         Ok(Section {
[INFO] [stderr] 29 | |             payload_type: 0,
[INFO] [stderr] ...  |
[INFO] [stderr] 76 | |     }
[INFO] [stderr] 77 | | }
[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: writing `&Vec<_>` instead of `&[_]` involves one more reference and cannot be used with non-Vec-based slices.
[INFO] [stderr]   --> src/message/mod.rs:34:51
[INFO] [stderr]    |
[INFO] [stderr] 34 |     pub fn from_documents(identifier: &str, docs: &Vec<Document>) -> EncodeResult<Section> {
[INFO] [stderr]    |                                                   ^^^^^^^^^^^^^^ help: change this to: `&[Document]`
[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: item `message::OpMsg` has a public `len` method but no corresponding `is_empty` method
[INFO] [stderr]    --> src/message/mod.rs:95:1
[INFO] [stderr]     |
[INFO] [stderr] 95  | / impl OpMsg {
[INFO] [stderr] 96  | |     pub fn builder() -> OpMsgBuilder {
[INFO] [stderr] 97  | |         OpMsgBuilder::new()
[INFO] [stderr] 98  | |     }
[INFO] [stderr] ...   |
[INFO] [stderr] 224 | |     }
[INFO] [stderr] 225 | | }
[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] error: handle written amount returned or use `Write::write_all` instead
[INFO] [stderr]    --> src/message/mod.rs:132:13
[INFO] [stderr]     |
[INFO] [stderr] 132 |             buffer.write(&section.payload)?;
[INFO] [stderr]     |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[deny(clippy::unused_io_amount)] on by default
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#unused_io_amount
[INFO] [stderr] 
[INFO] [stderr] warning: this let-binding has unit value. Consider omitting `let _ =`
[INFO] [stderr]    --> src/message/mod.rs:135:9
[INFO] [stderr]     |
[INFO] [stderr] 135 |         let _ = buffer.flush()?;
[INFO] [stderr]     |         ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(clippy::let_unit_value)] on by default
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#let_unit_value
[INFO] [stderr] 
[INFO] [stderr] error: handle written amount returned or use `Write::write_all` instead
[INFO] [stderr]    --> src/message/mod.rs:185:17
[INFO] [stderr]     |
[INFO] [stderr] 185 |                 payload.write(&buf[0..size])?;
[INFO] [stderr]     |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#unused_io_amount
[INFO] [stderr] 
[INFO] [stderr] warning: you should consider adding a `Default` implementation for `message::OpMsgBuilder`
[INFO] [stderr]    --> src/message/mod.rs:232:5
[INFO] [stderr]     |
[INFO] [stderr] 232 | /     pub fn new() -> OpMsgBuilder {
[INFO] [stderr] 233 | |         OpMsgBuilder {
[INFO] [stderr] 234 | |             op_msg: OpMsg {
[INFO] [stderr] 235 | |                 header: Header {
[INFO] [stderr] ...   |
[INFO] [stderr] 244 | |         }
[INFO] [stderr] 245 | |     }
[INFO] [stderr]     | |_____^
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(clippy::new_without_default)] on by default
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#new_without_default
[INFO] [stderr] help: try this
[INFO] [stderr]     |
[INFO] [stderr] 231 | impl Default for message::OpMsgBuilder {
[INFO] [stderr] 232 |     fn default() -> Self {
[INFO] [stderr] 233 |         Self::new()
[INFO] [stderr] 234 |     }
[INFO] [stderr] 235 | }
[INFO] [stderr]     |
[INFO] [stderr] 
[INFO] [stderr] warning: redundant pattern matching, consider using `is_err()`
[INFO] [stderr]   --> src/command/mod.rs:67:12
[INFO] [stderr]    |
[INFO] [stderr] 67 |     if let Err(_) = client.run_start_hooks(&CommandStarted {
[INFO] [stderr]    |            ^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(clippy::redundant_pattern_matching)] on by default
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#redundant_pattern_matching
[INFO] [stderr] help: try this
[INFO] [stderr]    |
[INFO] [stderr] 67 |     if client.run_start_hooks(&CommandStarted {
[INFO] [stderr] 68 |         command: command.clone(),
[INFO] [stderr] 69 |         database_name: db_name,
[INFO] [stderr] 70 |         command_name: command_name.clone(),
[INFO] [stderr] 71 |         request_id: i64::from(request_msg.header.request_id),
[INFO] [stderr] 72 |         connection_string: connstring.clone()
[INFO] [stderr]  ...
[INFO] [stderr] 
[INFO] [stderr] warning: redundant pattern matching, consider using `is_err()`
[INFO] [stderr]   --> src/command/mod.rs:22:24
[INFO] [stderr]    |
[INFO] [stderr] 22 |                   if let Err(_) = $client.run_completion_hooks(&CommandResult::Failure {
[INFO] [stderr]    |                          ^^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 77 | /     try!(
[INFO] [stderr] 78 | |         client,
[INFO] [stderr] 79 | |         u64::from((Instant::now() - init_time).subsec_nanos()),
[INFO] [stderr] 80 | |         command_name,
[INFO] [stderr] ...  |
[INFO] [stderr] 83 | |         request_msg.write(socket)
[INFO] [stderr] 84 | |     );
[INFO] [stderr]    | |______- in this macro invocation
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#redundant_pattern_matching
[INFO] [stderr] help: try this
[INFO] [stderr]    |
[INFO] [stderr] 22 |                 if $client.run_completion_hooks(&CommandResult::Failure {
[INFO] [stderr] 23 |                     duration: $duration,
[INFO] [stderr] 24 |                     command_name: $command_name.clone(),
[INFO] [stderr] 25 |                     failure: &err,
[INFO] [stderr] 26 |                     request_id: $request_id,
[INFO] [stderr] 27 |                     connection_string: $connstring.clone()
[INFO] [stderr]  ...
[INFO] [stderr] 
[INFO] [stderr] warning: redundant pattern matching, consider using `is_err()`
[INFO] [stderr]   --> src/command/mod.rs:22:24
[INFO] [stderr]    |
[INFO] [stderr] 22 |                   if let Err(_) = $client.run_completion_hooks(&CommandResult::Failure {
[INFO] [stderr]    |                          ^^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 86 |       let response_msg = try!(
[INFO] [stderr]    |  ________________________-
[INFO] [stderr] 87 | |         client,
[INFO] [stderr] 88 | |         u64::from((Instant::now() - init_time).subsec_nanos()),
[INFO] [stderr] 89 | |         command_name,
[INFO] [stderr] ...  |
[INFO] [stderr] 92 | |         OpMsg::read(socket)
[INFO] [stderr] 93 | |     );
[INFO] [stderr]    | |_____- in this macro invocation
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#redundant_pattern_matching
[INFO] [stderr] help: try this
[INFO] [stderr]    |
[INFO] [stderr] 22 |                 if $client.run_completion_hooks(&CommandResult::Failure {
[INFO] [stderr] 23 |                     duration: $duration,
[INFO] [stderr] 24 |                     command_name: $command_name.clone(),
[INFO] [stderr] 25 |                     failure: &err,
[INFO] [stderr] 26 |                     request_id: $request_id,
[INFO] [stderr] 27 |                     connection_string: $connstring.clone()
[INFO] [stderr]  ...
[INFO] [stderr] 
[INFO] [stderr] warning: redundant pattern matching, consider using `is_err()`
[INFO] [stderr]    --> src/command/mod.rs:22:24
[INFO] [stderr]     |
[INFO] [stderr] 22  |                   if let Err(_) = $client.run_completion_hooks(&CommandResult::Failure {
[INFO] [stderr]     |                          ^^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 95  |       let doc = try!(
[INFO] [stderr]     |  _______________-
[INFO] [stderr] 96  | |         client,
[INFO] [stderr] 97  | |         u64::from((Instant::now() - init_time).subsec_nanos()),
[INFO] [stderr] 98  | |         command_name,
[INFO] [stderr] ...   |
[INFO] [stderr] 101 | |         response_msg.get_document()
[INFO] [stderr] 102 | |     );
[INFO] [stderr]     | |_____- in this macro invocation
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#redundant_pattern_matching
[INFO] [stderr] help: try this
[INFO] [stderr]     |
[INFO] [stderr] 22  |                 if $client.run_completion_hooks(&CommandResult::Failure {
[INFO] [stderr] 23  |                     duration: $duration,
[INFO] [stderr] 24  |                     command_name: $command_name.clone(),
[INFO] [stderr] 25  |                     failure: &err,
[INFO] [stderr] 26  |                     request_id: $request_id,
[INFO] [stderr] 27  |                     connection_string: $connstring.clone()
[INFO] [stderr]   ...
[INFO] [stderr] 
[INFO] [stderr] warning: redundant pattern matching, consider using `is_err()`
[INFO] [stderr]    --> src/command/mod.rs:110:12
[INFO] [stderr]     |
[INFO] [stderr] 110 |     if let Err(_) = client.run_completion_hooks(&CommandResult::Success {
[INFO] [stderr]     |            ^^^^^^
[INFO] [stderr]     |
[INFO] [stderr] error: aborting due to 2 previous errors
[INFO] [stderr] 
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#redundant_pattern_matching
[INFO] [stderr] help: try this
[INFO] [stderr]     |
[INFO] [stderr] 110 |     if client.run_completion_hooks(&CommandResult::Success {
[INFO] [stderr] 111 |         duration: u64::from((Instant::now() - init_time).subsec_nanos()),
[INFO] [stderr] 112 |         reply: &doc,
[INFO] [stderr] 113 |         command_name,
[INFO] [stderr] 114 |         request_id: i64::from(request_msg.header.request_id),
[INFO] [stderr] 115 |         connection_string: connstring
[INFO] [stderr]   ...
[INFO] [stderr] 
[INFO] [stderr] error: Could not compile `mongors`.
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] warning: this if-then-else expression returns a bool literal
[INFO] [stderr]    --> src/command/mod.rs:166:5
[INFO] [stderr]     |
[INFO] [stderr] 166 | /     if names.contains(&name) {
[INFO] [stderr] 167 | |         return false
[INFO] [stderr] 168 | |     } else {
[INFO] [stderr] 169 | |         return true
[INFO] [stderr] 170 | |     }
[INFO] [stderr]     | |_____^ help: you can reduce it to: `return !names.contains(&name)`
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(clippy::needless_bool)] on by default
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_bool
[INFO] [stderr] 
[INFO] [stderr] warning: length comparison to zero
[INFO] [stderr]   --> src/read_preference.rs:82:12
[INFO] [stderr]    |
[INFO] [stderr] 82 |         if bson_tag_sets.len() > 0 {
[INFO] [stderr]    |            ^^^^^^^^^^^^^^^^^^^^^^^ help: using `is_empty` is clearer and more explicit: `!bson_tag_sets.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] error: aborting due to 2 previous errors
[INFO] [stderr] 
[INFO] [stderr] error: Could not compile `mongors`.
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] running `"docker" "inspect" "72b87ab077c17bbad9848f93807461de15837f01b2259dc95ed31fb5a0d33e1f"`
[INFO] running `"docker" "rm" "-f" "72b87ab077c17bbad9848f93807461de15837f01b2259dc95ed31fb5a0d33e1f"`
[INFO] [stdout] 72b87ab077c17bbad9848f93807461de15837f01b2259dc95ed31fb5a0d33e1f