[INFO] crate reql 0.0.26 is already in cache
[INFO] extracting crate reql 0.0.26 into work/ex/clippy-test-run/sources/stable/reg/reql/0.0.26
[INFO] extracting crate reql 0.0.26 into work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/reg/reql/0.0.26
[INFO] validating manifest of reql-0.0.26 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 reql-0.0.26 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 reql-0.0.26
[INFO] finished frobbing reql-0.0.26
[INFO] frobbed toml for reql-0.0.26 written to work/ex/clippy-test-run/sources/stable/reg/reql/0.0.26/Cargo.toml
[INFO] started frobbing reql-0.0.26
[INFO] finished frobbing reql-0.0.26
[INFO] frobbed toml for reql-0.0.26 written to work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/reg/reql/0.0.26/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 reql-0.0.26 against stable for clippy-test-run
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/clippy-test-run/worker-1/stable:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/clippy-test-run/sources/stable/reg/reql/0.0.26:/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] 9a7a11db6c2b2877b1b1d21986c48d4fa98d93488617b24e884997bc1dc381ed
[INFO] running `"docker" "start" "-a" "9a7a11db6c2b2877b1b1d21986c48d4fa98d93488617b24e884997bc1dc381ed"`
[INFO] [stderr]    Compiling linked-hash-map v0.5.1
[INFO] [stderr]     Checking protobuf v1.5.1
[INFO] [stderr]     Checking r2d2 v0.8.3
[INFO] [stderr]    Compiling memchr v2.1.3
[INFO] [stderr]    Compiling derive-error v0.0.4
[INFO] [stderr]     Checking uuid v0.6.5
[INFO] [stderr]     Checking scram v0.4.0
[INFO] [stderr]    Compiling yaml-rust v0.4.2
[INFO] [stderr]    Compiling nom v4.1.1
[INFO] [stderr]     Checking reql-types v0.0.4
[INFO] [stderr]    Compiling serde_yaml v0.8.8
[INFO] [stderr]    Compiling reql v0.0.26 (/opt/crater/workdir)
[INFO] [stderr]     Checking ql2 v1.1.2
[INFO] [stderr] warning: redundant field names in struct initialization
[INFO] [stderr]   --> src/commands/io/pool.rs:41:29
[INFO] [stderr]    |
[INFO] [stderr] 41 |                             stream: stream,
[INFO] [stderr]    |                             ^^^^^^^^^^^^^^ help: replace it with: `stream`
[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/commands/io/mod.rs:103:17
[INFO] [stderr]     |
[INFO] [stderr] 103 |                 pool: pool,
[INFO] [stderr]     |                 ^^^^^^^^^^ help: replace it with: `pool`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#redundant_field_names
[INFO] [stderr] 
[INFO] [stderr] warning: redundant field names in struct initialization
[INFO] [stderr]    --> src/commands/io/mod.rs:104:17
[INFO] [stderr]     |
[INFO] [stderr] 104 |                 cfg: cfg,
[INFO] [stderr]     |                 ^^^^^^^^ help: replace it with: `cfg`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#redundant_field_names
[INFO] [stderr] 
[INFO] [stderr] warning: redundant field names in struct initialization
[INFO] [stderr]    --> src/commands/io/mod.rs:105:17
[INFO] [stderr]     |
[INFO] [stderr] 105 |                 tx: tx,
[INFO] [stderr]     |                 ^^^^^^ help: replace it with: `tx`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#redundant_field_names
[INFO] [stderr] 
[INFO] [stderr] warning: redundant field names in struct initialization
[INFO] [stderr]    --> src/commands/io/mod.rs:113:16
[INFO] [stderr]     |
[INFO] [stderr] 113 |                rx: rx,
[INFO] [stderr]     |                ^^^^^^ help: replace it with: `rx`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#redundant_field_names
[INFO] [stderr] 
[INFO] [stderr] warning: redundant field names in struct initialization
[INFO] [stderr]    --> src/commands/io/mod.rs:218:25
[INFO] [stderr]     |
[INFO] [stderr] 218 |                         cluster: cluster,
[INFO] [stderr]     |                         ^^^^^^^^^^^^^^^^ help: replace it with: `cluster`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#redundant_field_names
[INFO] [stderr] 
[INFO] [stderr] warning: redundant field names in struct initialization
[INFO] [stderr]    --> src/commands/io/mod.rs:219:25
[INFO] [stderr]     |
[INFO] [stderr] 219 |                         opts: opts,
[INFO] [stderr]     |                         ^^^^^^^^^^ help: replace it with: `opts`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#redundant_field_names
[INFO] [stderr] 
[INFO] [stderr] warning: redundant field names in struct initialization
[INFO] [stderr]    --> src/commands/io/mod.rs:254:13
[INFO] [stderr]     |
[INFO] [stderr] 254 |             addresses: addresses,
[INFO] [stderr]     |             ^^^^^^^^^^^^^^^^^^^^ help: replace it with: `addresses`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#redundant_field_names
[INFO] [stderr] 
[INFO] [stderr] warning: redundant field names in struct initialization
[INFO] [stderr]   --> src/commands/io/pool.rs:41:29
[INFO] [stderr]    |
[INFO] [stderr] 41 |                             stream: stream,
[INFO] [stderr]    |                             ^^^^^^^^^^^^^^ help: replace it with: `stream`
[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/commands/io/mod.rs:103:17
[INFO] [stderr]     |
[INFO] [stderr] 103 |                 pool: pool,
[INFO] [stderr]     |                 ^^^^^^^^^^ help: replace it with: `pool`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#redundant_field_names
[INFO] [stderr] 
[INFO] [stderr] warning: redundant field names in struct initialization
[INFO] [stderr]    --> src/commands/io/mod.rs:104:17
[INFO] [stderr]     |
[INFO] [stderr] 104 |                 cfg: cfg,
[INFO] [stderr]     |                 ^^^^^^^^ help: replace it with: `cfg`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#redundant_field_names
[INFO] [stderr] 
[INFO] [stderr] warning: redundant field names in struct initialization
[INFO] [stderr]    --> src/commands/io/mod.rs:105:17
[INFO] [stderr]     |
[INFO] [stderr] 105 |                 tx: tx,
[INFO] [stderr]     |                 ^^^^^^ help: replace it with: `tx`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#redundant_field_names
[INFO] [stderr] 
[INFO] [stderr] warning: redundant field names in struct initialization
[INFO] [stderr]    --> src/commands/io/mod.rs:113:16
[INFO] [stderr]     |
[INFO] [stderr] 113 |                rx: rx,
[INFO] [stderr]     |                ^^^^^^ help: replace it with: `rx`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#redundant_field_names
[INFO] [stderr] 
[INFO] [stderr] warning: redundant field names in struct initialization
[INFO] [stderr]    --> src/commands/io/mod.rs:218:25
[INFO] [stderr]     |
[INFO] [stderr] 218 |                         cluster: cluster,
[INFO] [stderr]     |                         ^^^^^^^^^^^^^^^^ help: replace it with: `cluster`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#redundant_field_names
[INFO] [stderr] 
[INFO] [stderr] warning: redundant field names in struct initialization
[INFO] [stderr]    --> src/commands/io/mod.rs:219:25
[INFO] [stderr]     |
[INFO] [stderr] 219 |                         opts: opts,
[INFO] [stderr]     |                         ^^^^^^^^^^ help: replace it with: `opts`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#redundant_field_names
[INFO] [stderr] 
[INFO] [stderr] warning: redundant field names in struct initialization
[INFO] [stderr]    --> src/commands/io/mod.rs:254:13
[INFO] [stderr]     |
[INFO] [stderr] 254 |             addresses: addresses,
[INFO] [stderr]     |             ^^^^^^^^^^^^^^^^^^^^ help: replace it with: `addresses`
[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: unneeded return statement
[INFO] [stderr]    --> src/commands/io/request.rs:283:17
[INFO] [stderr]     |
[INFO] [stderr] 283 |                 return Err(error)?;
[INFO] [stderr]     |                 ^^^^^^^^^^^^^^^^^^^ help: remove `return` as shown: `Err(error)?`
[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] 
[INFO] [stderr] warning: unneeded return statement
[INFO] [stderr]    --> src/commands/io/request.rs:283:17
[INFO] [stderr]     |
[INFO] [stderr] 283 |                 return Err(error)?;
[INFO] [stderr]     |                 ^^^^^^^^^^^^^^^^^^^ help: remove `return` as shown: `Err(error)?`
[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] 
[INFO] [stderr] error: calls to `std::mem::drop` with a reference instead of an owned value. Dropping a reference does nothing.
[INFO] [stderr]   --> src/commands/io/request.rs:47:21
[INFO] [stderr]    |
[INFO] [stderr] 47 |                     drop(&mut conn);
[INFO] [stderr]    |                     ^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[deny(clippy::drop_ref)] on by default
[INFO] [stderr] note: argument has type &mut r2d2::PooledConnection<SessionManager>
[INFO] [stderr]   --> src/commands/io/request.rs:47:26
[INFO] [stderr]    |
[INFO] [stderr] 47 |                     drop(&mut conn);
[INFO] [stderr]    |                          ^^^^^^^^^
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#drop_ref
[INFO] [stderr] 
[INFO] [stderr] warning: identical conversion
[INFO] [stderr]   --> src/commands/io/request.rs:52:66
[INFO] [stderr]    |
[INFO] [stderr] 52 |                                 let _ = self.tx.clone().send(Err(error.into())).wait();
[INFO] [stderr]    |                                                                  ^^^^^^^^^^^^ help: consider removing `.into()`: `error`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(clippy::identity_conversion)] on by default
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#identity_conversion
[INFO] [stderr] 
[INFO] [stderr] warning: identical conversion
[INFO] [stderr]   --> src/commands/io/request.rs:85:62
[INFO] [stderr]    |
[INFO] [stderr] 85 |                             let _ = self.tx.clone().send(Err(error.into())).wait();
[INFO] [stderr]    |                                                              ^^^^^^^^^^^^ help: consider removing `.into()`: `error`
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#identity_conversion
[INFO] [stderr] 
[INFO] [stderr] warning: identical conversion
[INFO] [stderr]    --> src/commands/io/request.rs:105:66
[INFO] [stderr]     |
[INFO] [stderr] 105 |                                 let _ = self.tx.clone().send(Err(error.into())).wait();
[INFO] [stderr]     |                                                                  ^^^^^^^^^^^^ help: consider removing `.into()`: `error`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#identity_conversion
[INFO] [stderr] 
[INFO] [stderr] warning: The function/method `write_query` doesn't need a mutable reference
[INFO] [stderr]    --> src/commands/io/request.rs:117:72
[INFO] [stderr]     |
[INFO] [stderr] 117 |                             if let Err(error) = write_query(&mut conn, &mut query) {
[INFO] [stderr]     |                                                                        ^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(clippy::unnecessary_mut_passed)] on by default
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#unnecessary_mut_passed
[INFO] [stderr] 
[INFO] [stderr] warning: identical conversion
[INFO] [stderr]    --> src/commands/io/request.rs:120:66
[INFO] [stderr]     |
[INFO] [stderr] 120 |                                 let _ = self.tx.clone().send(Err(error.into())).wait();
[INFO] [stderr]     |                                                                  ^^^^^^^^^^^^ help: consider removing `.into()`: `error`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#identity_conversion
[INFO] [stderr] 
[INFO] [stderr] warning: `if _ { .. } else { .. }` is an expression
[INFO] [stderr]    --> src/commands/io/request.rs:193:17
[INFO] [stderr]     |
[INFO] [stderr] 193 | /                 let mut msg = String::new();
[INFO] [stderr] 194 | |                 if result.e.is_some() || has_generic_error {
[INFO] [stderr] 195 | |                     msg = if let Value::Array(error) = result.r.clone() {
[INFO] [stderr] 196 | |                         if error.len() == 1 {
[INFO] [stderr] ...   |
[INFO] [stderr] 207 | |                     };
[INFO] [stderr] 208 | |                 }
[INFO] [stderr]     | |_________________^
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(clippy::useless_let_if_seq)] on by default
[INFO] [stderr]     = note: you might not need `mut` at all
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#useless_let_if_seq
[INFO] [stderr] help: it is more idiomatic to write
[INFO] [stderr]     |
[INFO] [stderr] 193 |                 let <mut> msg = if result.e.is_some() || has_generic_error { if let Value::Array(error) = result.r.clone() {
[INFO] [stderr] 194 |                         if error.len() == 1 {
[INFO] [stderr] 195 |                             if let Some(Value::String(msg)) = error.into_iter().next() {
[INFO] [stderr] 196 |                                 msg
[INFO] [stderr] 197 |                             } else {
[INFO] [stderr] 198 |                                 return Err(ResponseError::Db(result.r))?;
[INFO] [stderr]   ...
[INFO] [stderr] 
[INFO] [stderr] warning: this let-binding has unit value. Consider omitting `let _ =`
[INFO] [stderr]   --> src/commands/io/handshake.rs:50:9
[INFO] [stderr]    |
[INFO] [stderr] 50 |         let _ = self.stream.write_u32::<LittleEndian>(Version::V1_0 as u32)?;
[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] warning: this let-binding has unit value. Consider omitting `let _ =`
[INFO] [stderr]   --> src/commands/io/handshake.rs:64:9
[INFO] [stderr]    |
[INFO] [stderr] 64 |         let _ = self.stream.write_all(&msg[..])?;
[INFO] [stderr]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#let_unit_value
[INFO] [stderr] 
[INFO] [stderr] warning: this let-binding has unit value. Consider omitting `let _ =`
[INFO] [stderr]   --> src/commands/io/handshake.rs:90:17
[INFO] [stderr]    |
[INFO] [stderr] 90 |                 let _ = self.stream.write_all(&msg[..])?;
[INFO] [stderr]    |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#let_unit_value
[INFO] [stderr] 
[INFO] [stderr] warning: this let-binding has unit value. Consider omitting `let _ =`
[INFO] [stderr]   --> src/commands/io/handshake.rs:94:17
[INFO] [stderr]    |
[INFO] [stderr] 94 |                 let _ = self.stream.flush()?;
[INFO] [stderr]    |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#let_unit_value
[INFO] [stderr] 
[INFO] [stderr] warning: methods called `is_*` usually take self by reference or no self; consider choosing a less ambiguous name
[INFO] [stderr]    --> src/commands/io/handshake.rs:105:21
[INFO] [stderr]     |
[INFO] [stderr] 105 |     pub fn is_valid(&mut self) -> Result<()> {
[INFO] [stderr]     |                     ^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(clippy::wrong_self_convention)] on by default
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#wrong_self_convention
[INFO] [stderr] 
[INFO] [stderr] warning: single-character string constant used as pattern
[INFO] [stderr]    --> src/commands/io/handshake.rs:151:26
[INFO] [stderr]     |
[INFO] [stderr] 151 |     if !resp.starts_with("{") {
[INFO] [stderr]     |                          ^^^ help: try using a char instead: `'{'`
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(clippy::single_char_pattern)] on by default
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#single_char_pattern
[INFO] [stderr] 
[INFO] [stderr] warning: using `clone` on a `Copy` type
[INFO] [stderr]   --> src/commands/io/mod.rs:73:27
[INFO] [stderr]    |
[INFO] [stderr] 73 |             Some(conn) => conn.clone(),
[INFO] [stderr]    |                           ^^^^^^^^^^^^ help: try removing the `clone` call: `conn`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(clippy::clone_on_copy)] on by default
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#clone_on_copy
[INFO] [stderr] 
[INFO] [stderr] warning: redundant pattern matching, consider using `is_ok()`
[INFO] [stderr]    --> src/commands/io/mod.rs:262:20
[INFO] [stderr]     |
[INFO] [stderr] 262 |               if let Ok(_) = TcpStream::connect(address) {
[INFO] [stderr]     |  _____________-      ^^^^^
[INFO] [stderr] 263 | |                 self.latency = start.elapsed();
[INFO] [stderr] 264 | |                 break;
[INFO] [stderr] 265 | |             }
[INFO] [stderr]     | |_____________- help: try this: `if TcpStream::connect(address).is_ok()`
[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] 
[INFO] [stderr] warning: redundant pattern matching, consider using `is_err()`
[INFO] [stderr]   --> src/commands/util.rs:74:12
[INFO] [stderr]    |
[INFO] [stderr] 74 |       if let Err(_) = cmd.term {
[INFO] [stderr]    |  _____-      ^^^^^^
[INFO] [stderr] 75 | |         return cmd;
[INFO] [stderr] 76 | |     }
[INFO] [stderr]    | |_____- help: try this: `if cmd.term.is_err()`
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#redundant_pattern_matching
[INFO] [stderr] 
[INFO] [stderr] warning: you should consider adding a `Default` implementation for `Arg`
[INFO] [stderr]    --> src/commands/args.rs:184:5
[INFO] [stderr]     |
[INFO] [stderr] 184 | /     pub fn new() -> Arg {
[INFO] [stderr] 185 | |         Arg {
[INFO] [stderr] 186 | |             string: String::new(),
[INFO] [stderr] 187 | |             term: Ok(Term::new()),
[INFO] [stderr] 188 | |             pool: None,
[INFO] [stderr] 189 | |         }
[INFO] [stderr] 190 | |     }
[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] 172 | impl Default for Arg {
[INFO] [stderr] 173 |     fn default() -> Self {
[INFO] [stderr] 174 |         Self::new()
[INFO] [stderr] 175 |     }
[INFO] [stderr] 176 | }
[INFO] [stderr]     |
[INFO] [stderr] 
[INFO] [stderr] warning: you should consider adding a `Default` implementation for `Client`
[INFO] [stderr]   --> /opt/crater/target/debug/build/reql-72ffc00278d40636/out/commands.rs:14:17
[INFO] [stderr]    |
[INFO] [stderr] 14 | /                 pub fn new() -> Client {
[INFO] [stderr] 15 | |                     util::new_client()
[INFO] [stderr] 16 | |                 }
[INFO] [stderr]    | |_________________^
[INFO] [stderr]    |
[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] 2  |             impl Default for Client {
[INFO] [stderr] 3  |                 fn default() -> Self {
[INFO] [stderr] 4  |                     Self::new()
[INFO] [stderr] 5  |                 }
[INFO] [stderr] 6  |             }
[INFO] [stderr] 7  | 
[INFO] [stderr]  ...
[INFO] [stderr] 
[INFO] [stderr] error: calls to `std::mem::drop` with a reference instead of an owned value. Dropping a reference does nothing.
[INFO] [stderr]   --> src/commands/io/request.rs:47:21
[INFO] [stderr]    |
[INFO] [stderr] 47 |                     drop(&mut conn);
[INFO] [stderr]    |                     ^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[deny(clippy::drop_ref)] on by default
[INFO] [stderr] note: argument has type &mut r2d2::PooledConnection<SessionManager>
[INFO] [stderr]   --> src/commands/io/request.rs:47:26
[INFO] [stderr]    |
[INFO] [stderr] 47 |                     drop(&mut conn);
[INFO] [stderr]    |                          ^^^^^^^^^
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#drop_ref
[INFO] [stderr] 
[INFO] [stderr] warning: identical conversion
[INFO] [stderr]   --> src/commands/io/request.rs:52:66
[INFO] [stderr]    |
[INFO] [stderr] 52 |                                 let _ = self.tx.clone().send(Err(error.into())).wait();
[INFO] [stderr]    |                                                                  ^^^^^^^^^^^^ help: consider removing `.into()`: `error`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(clippy::identity_conversion)] on by default
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#identity_conversion
[INFO] [stderr] 
[INFO] [stderr] warning: identical conversion
[INFO] [stderr]   --> src/commands/io/request.rs:85:62
[INFO] [stderr]    |
[INFO] [stderr] 85 |                             let _ = self.tx.clone().send(Err(error.into())).wait();
[INFO] [stderr]    |                                                              ^^^^^^^^^^^^ help: consider removing `.into()`: `error`
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#identity_conversion
[INFO] [stderr] 
[INFO] [stderr] warning: identical conversion
[INFO] [stderr]    --> src/commands/io/request.rs:105:66
[INFO] [stderr]     |
[INFO] [stderr] 105 |                                 let _ = self.tx.clone().send(Err(error.into())).wait();
[INFO] [stderr]     |                                                                  ^^^^^^^^^^^^ help: consider removing `.into()`: `error`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#identity_conversion
[INFO] [stderr] 
[INFO] [stderr] warning: The function/method `write_query` doesn't need a mutable reference
[INFO] [stderr]    --> src/commands/io/request.rs:117:72
[INFO] [stderr]     |
[INFO] [stderr] 117 |                             if let Err(error) = write_query(&mut conn, &mut query) {
[INFO] [stderr]     |                                                                        ^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(clippy::unnecessary_mut_passed)] on by default
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#unnecessary_mut_passed
[INFO] [stderr] 
[INFO] [stderr] warning: identical conversion
[INFO] [stderr]    --> src/commands/io/request.rs:120:66
[INFO] [stderr]     |
[INFO] [stderr] 120 |                                 let _ = self.tx.clone().send(Err(error.into())).wait();
[INFO] [stderr]     |                                                                  ^^^^^^^^^^^^ help: consider removing `.into()`: `error`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#identity_conversion
[INFO] [stderr] 
[INFO] [stderr] warning: identical conversion
[INFO] [stderr]   --> src/types.rs:54:33
[INFO] [stderr]    |
[INFO] [stderr] 54 |                     obj.set_key(name.into());
[INFO] [stderr]    |                                 ^^^^^^^^^^^ help: consider removing `.into()`: `name`
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#identity_conversion
[INFO] [stderr] 
[INFO] [stderr] warning: `if _ { .. } else { .. }` is an expression
[INFO] [stderr]    --> src/commands/io/request.rs:193:17
[INFO] [stderr]     |
[INFO] [stderr] 193 | /                 let mut msg = String::new();
[INFO] [stderr] 194 | |                 if result.e.is_some() || has_generic_error {
[INFO] [stderr] 195 | |                     msg = if let Value::Array(error) = result.r.clone() {
[INFO] [stderr] 196 | |                         if error.len() == 1 {
[INFO] [stderr] ...   |
[INFO] [stderr] 207 | |                     };
[INFO] [stderr] 208 | |                 }
[INFO] [stderr]     | |_________________^
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(clippy::useless_let_if_seq)] on by default
[INFO] [stderr]     = note: you might not need `mut` at all
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#useless_let_if_seq
[INFO] [stderr] help: it is more idiomatic to write
[INFO] [stderr]     |
[INFO] [stderr] 193 |                 let <mut> msg = if result.e.is_some() || has_generic_error { if let Value::Array(error) = result.r.clone() {
[INFO] [stderr] 194 |                         if error.len() == 1 {
[INFO] [stderr] 195 |                             if let Some(Value::String(msg)) = error.into_iter().next() {
[INFO] [stderr] 196 |                                 msg
[INFO] [stderr] 197 |                             } else {
[INFO] [stderr] 198 |                                 return Err(ResponseError::Db(result.r))?;
[INFO] [stderr]   ...
[INFO] [stderr] 
[INFO] [stderr] warning: single-character string constant used as pattern
[INFO] [stderr]    --> src/types.rs:111:48
[INFO] [stderr]     |
[INFO] [stderr] 111 |                 args = args.trim_right_matches(",").to_string();
[INFO] [stderr]     |                                                ^^^ help: try using a char instead: `','`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#single_char_pattern
[INFO] [stderr] 
[INFO] [stderr] warning: single-character string constant used as pattern
[INFO] [stderr]    --> src/types.rs:120:48
[INFO] [stderr]     |
[INFO] [stderr] 120 |                 args = args.trim_right_matches(",").to_string();
[INFO] [stderr]     |                                                ^^^ help: try using a char instead: `','`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#single_char_pattern
[INFO] [stderr] 
[INFO] [stderr] warning: single-character string constant used as pattern
[INFO] [stderr]    --> src/types.rs:151:44
[INFO] [stderr]     |
[INFO] [stderr] 151 |             args = args.trim_right_matches(",").to_string();
[INFO] [stderr]     |                                            ^^^ help: try using a char instead: `','`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#single_char_pattern
[INFO] [stderr] 
[INFO] [stderr] warning: useless use of `format!`
[INFO] [stderr]    --> src/types.rs:159:22
[INFO] [stderr]     |
[INFO] [stderr] 159 |             res.push(format!("{}", self.encode_pairs(&opts, encoding_opts)));
[INFO] [stderr]     |                      ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: consider using .to_string(): `self.encode_pairs(&opts, encoding_opts).to_string()`
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(clippy::useless_format)] on by default
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#useless_format
[INFO] [stderr]     = note: this error originates in a macro outside of the current crate (in Nightly builds, run with -Z external-macro-backtrace for more info)
[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/types.rs:168:38
[INFO] [stderr]     |
[INFO] [stderr] 168 |     fn encode_pairs(&mut self, data: &Vec<TermPair>, encoding_opts: bool) -> String {
[INFO] [stderr]     |                                      ^^^^^^^^^^^^^^ help: change this to: `&[TermPair]`
[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: single-character string constant used as pattern
[INFO] [stderr]    --> src/types.rs:173:40
[INFO] [stderr]     |
[INFO] [stderr] 173 |         opts = opts.trim_right_matches(",").to_string();
[INFO] [stderr]     |                                        ^^^ help: try using a char instead: `','`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#single_char_pattern
[INFO] [stderr] 
[INFO] [stderr] warning: this let-binding has unit value. Consider omitting `let _ =`
[INFO] [stderr]   --> src/commands/io/handshake.rs:50:9
[INFO] [stderr]    |
[INFO] [stderr] 50 |         let _ = self.stream.write_u32::<LittleEndian>(Version::V1_0 as u32)?;
[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: aborting due to previous error
[INFO] [stderr] 
[INFO] [stderr] warning: this let-binding has unit value. Consider omitting `let _ =`
[INFO] [stderr]   --> src/commands/io/handshake.rs:64:9
[INFO] [stderr]    |
[INFO] [stderr] 64 |         let _ = self.stream.write_all(&msg[..])?;
[INFO] [stderr]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#let_unit_value
[INFO] [stderr] 
[INFO] [stderr] warning: this let-binding has unit value. Consider omitting `let _ =`
[INFO] [stderr]   --> src/commands/io/handshake.rs:90:17
[INFO] [stderr]    |
[INFO] [stderr] 90 |                 let _ = self.stream.write_all(&msg[..])?;
[INFO] [stderr]    |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#let_unit_value
[INFO] [stderr] 
[INFO] [stderr] warning: this let-binding has unit value. Consider omitting `let _ =`
[INFO] [stderr]   --> src/commands/io/handshake.rs:94:17
[INFO] [stderr]    |
[INFO] [stderr] 94 |                 let _ = self.stream.flush()?;
[INFO] [stderr]    |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#let_unit_value
[INFO] [stderr] 
[INFO] [stderr] warning: methods called `is_*` usually take self by reference or no self; consider choosing a less ambiguous name
[INFO] [stderr]    --> src/commands/io/handshake.rs:105:21
[INFO] [stderr]     |
[INFO] [stderr] 105 |     pub fn is_valid(&mut self) -> Result<()> {
[INFO] [stderr]     |                     ^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(clippy::wrong_self_convention)] on by default
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#wrong_self_convention
[INFO] [stderr] 
[INFO] [stderr] error: Could not compile `reql`.
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] warning: single-character string constant used as pattern
[INFO] [stderr]    --> src/commands/io/handshake.rs:151:26
[INFO] [stderr]     |
[INFO] [stderr] 151 |     if !resp.starts_with("{") {
[INFO] [stderr]     |                          ^^^ help: try using a char instead: `'{'`
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(clippy::single_char_pattern)] on by default
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#single_char_pattern
[INFO] [stderr] 
[INFO] [stderr] warning: using `clone` on a `Copy` type
[INFO] [stderr]   --> src/commands/io/mod.rs:73:27
[INFO] [stderr]    |
[INFO] [stderr] 73 |             Some(conn) => conn.clone(),
[INFO] [stderr]    |                           ^^^^^^^^^^^^ help: try removing the `clone` call: `conn`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(clippy::clone_on_copy)] on by default
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#clone_on_copy
[INFO] [stderr] 
[INFO] [stderr] warning: redundant pattern matching, consider using `is_ok()`
[INFO] [stderr]    --> src/commands/io/mod.rs:262:20
[INFO] [stderr]     |
[INFO] [stderr] 262 |               if let Ok(_) = TcpStream::connect(address) {
[INFO] [stderr]     |  _____________-      ^^^^^
[INFO] [stderr] 263 | |                 self.latency = start.elapsed();
[INFO] [stderr] 264 | |                 break;
[INFO] [stderr] 265 | |             }
[INFO] [stderr]     | |_____________- help: try this: `if TcpStream::connect(address).is_ok()`
[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] 
[INFO] [stderr] warning: redundant pattern matching, consider using `is_err()`
[INFO] [stderr]   --> src/commands/util.rs:74:12
[INFO] [stderr]    |
[INFO] [stderr] 74 |       if let Err(_) = cmd.term {
[INFO] [stderr]    |  _____-      ^^^^^^
[INFO] [stderr] 75 | |         return cmd;
[INFO] [stderr] 76 | |     }
[INFO] [stderr]    | |_____- help: try this: `if cmd.term.is_err()`
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#redundant_pattern_matching
[INFO] [stderr] 
[INFO] [stderr] warning: you should consider adding a `Default` implementation for `Arg`
[INFO] [stderr]    --> src/commands/args.rs:184:5
[INFO] [stderr]     |
[INFO] [stderr] 184 | /     pub fn new() -> Arg {
[INFO] [stderr] 185 | |         Arg {
[INFO] [stderr] 186 | |             string: String::new(),
[INFO] [stderr] 187 | |             term: Ok(Term::new()),
[INFO] [stderr] 188 | |             pool: None,
[INFO] [stderr] 189 | |         }
[INFO] [stderr] 190 | |     }
[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] 172 | impl Default for Arg {
[INFO] [stderr] 173 |     fn default() -> Self {
[INFO] [stderr] 174 |         Self::new()
[INFO] [stderr] 175 |     }
[INFO] [stderr] 176 | }
[INFO] [stderr]     |
[INFO] [stderr] 
[INFO] [stderr] warning: you should consider adding a `Default` implementation for `Client`
[INFO] [stderr]   --> /opt/crater/target/debug/build/reql-72ffc00278d40636/out/commands.rs:14:17
[INFO] [stderr]    |
[INFO] [stderr] 14 | /                 pub fn new() -> Client {
[INFO] [stderr] 15 | |                     util::new_client()
[INFO] [stderr] 16 | |                 }
[INFO] [stderr]    | |_________________^
[INFO] [stderr]    |
[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] 2  |             impl Default for Client {
[INFO] [stderr] 3  |                 fn default() -> Self {
[INFO] [stderr] 4  |                     Self::new()
[INFO] [stderr] 5  |                 }
[INFO] [stderr] 6  |             }
[INFO] [stderr] 7  | 
[INFO] [stderr]  ...
[INFO] [stderr] 
[INFO] [stderr] warning: identical conversion
[INFO] [stderr]   --> src/types.rs:54:33
[INFO] [stderr]    |
[INFO] [stderr] 54 |                     obj.set_key(name.into());
[INFO] [stderr]    |                                 ^^^^^^^^^^^ help: consider removing `.into()`: `name`
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#identity_conversion
[INFO] [stderr] 
[INFO] [stderr] warning: single-character string constant used as pattern
[INFO] [stderr]    --> src/types.rs:111:48
[INFO] [stderr]     |
[INFO] [stderr] 111 |                 args = args.trim_right_matches(",").to_string();
[INFO] [stderr]     |                                                ^^^ help: try using a char instead: `','`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#single_char_pattern
[INFO] [stderr] 
[INFO] [stderr] warning: single-character string constant used as pattern
[INFO] [stderr]    --> src/types.rs:120:48
[INFO] [stderr]     |
[INFO] [stderr] 120 |                 args = args.trim_right_matches(",").to_string();
[INFO] [stderr]     |                                                ^^^ help: try using a char instead: `','`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#single_char_pattern
[INFO] [stderr] 
[INFO] [stderr] warning: single-character string constant used as pattern
[INFO] [stderr]    --> src/types.rs:151:44
[INFO] [stderr]     |
[INFO] [stderr] 151 |             args = args.trim_right_matches(",").to_string();
[INFO] [stderr]     |                                            ^^^ help: try using a char instead: `','`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#single_char_pattern
[INFO] [stderr] 
[INFO] [stderr] warning: useless use of `format!`
[INFO] [stderr]    --> src/types.rs:159:22
[INFO] [stderr]     |
[INFO] [stderr] 159 |             res.push(format!("{}", self.encode_pairs(&opts, encoding_opts)));
[INFO] [stderr]     |                      ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: consider using .to_string(): `self.encode_pairs(&opts, encoding_opts).to_string()`
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(clippy::useless_format)] on by default
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#useless_format
[INFO] [stderr]     = note: this error originates in a macro outside of the current crate (in Nightly builds, run with -Z external-macro-backtrace for more info)
[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/types.rs:168:38
[INFO] [stderr]     |
[INFO] [stderr] 168 |     fn encode_pairs(&mut self, data: &Vec<TermPair>, encoding_opts: bool) -> String {
[INFO] [stderr]     |                                      ^^^^^^^^^^^^^^ help: change this to: `&[TermPair]`
[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: single-character string constant used as pattern
[INFO] [stderr]    --> src/types.rs:173:40
[INFO] [stderr]     |
[INFO] [stderr] 173 |         opts = opts.trim_right_matches(",").to_string();
[INFO] [stderr]     |                                        ^^^ help: try using a char instead: `','`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#single_char_pattern
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to previous error
[INFO] [stderr] 
[INFO] [stderr] error: Could not compile `reql`.
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] running `"docker" "inspect" "9a7a11db6c2b2877b1b1d21986c48d4fa98d93488617b24e884997bc1dc381ed"`
[INFO] running `"docker" "rm" "-f" "9a7a11db6c2b2877b1b1d21986c48d4fa98d93488617b24e884997bc1dc381ed"`
[INFO] [stdout] 9a7a11db6c2b2877b1b1d21986c48d4fa98d93488617b24e884997bc1dc381ed