[INFO] updating cached repository obrok/rambda
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/obrok/rambda
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/obrok/rambda" "work/ex/clippy-test-run/sources/stable/gh/obrok/rambda"`
[INFO] [stderr] Cloning into 'work/ex/clippy-test-run/sources/stable/gh/obrok/rambda'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/obrok/rambda" "work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/gh/obrok/rambda"`
[INFO] [stderr] Cloning into 'work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/gh/obrok/rambda'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] eb82ca438ab0af7c60fcad8b8d75db553ef1cc75
[INFO] sha for GitHub repo obrok/rambda: eb82ca438ab0af7c60fcad8b8d75db553ef1cc75
[INFO] validating manifest of obrok/rambda 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 obrok/rambda 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 obrok/rambda
[INFO] finished frobbing obrok/rambda
[INFO] frobbed toml for obrok/rambda written to work/ex/clippy-test-run/sources/stable/gh/obrok/rambda/Cargo.toml
[INFO] started frobbing obrok/rambda
[INFO] finished frobbing obrok/rambda
[INFO] frobbed toml for obrok/rambda written to work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/gh/obrok/rambda/Cargo.toml
[INFO] crate obrok/rambda has a lockfile. skipping
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+stable" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+stable" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] linting obrok/rambda against stable+rustflags=-Dclippy::into_iter_on_array for clippy-test-run
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/clippy-test-run/worker-1/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/gh/obrok/rambda:/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 -Dclippy::into_iter_on_array" "-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] fea619994ba8fa1b43889df1b6c844021e9f6360dff274d85e1f8e4973b192f8
[INFO] running `"docker" "start" "-a" "fea619994ba8fa1b43889df1b6c844021e9f6360dff274d85e1f8e4973b192f8"`
[INFO] [stderr]     Checking libc v0.2.36
[INFO] [stderr]     Checking immutable-map v0.1.2
[INFO] [stderr]     Checking memchr v1.0.2
[INFO] [stderr]     Checking nom v3.2.1
[INFO] [stderr]     Checking rambda v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: writing `&Vec<_>` instead of `&[_]` involves one more reference and cannot be used with non-Vec-based slices.
[INFO] [stderr]    --> src/lib.rs:143:40
[INFO] [stderr]     |
[INFO] [stderr] 143 | pub fn eval_statements<'a>(statements: &'a Vec<Statement>) -> Vec<Rc<Term>> {
[INFO] [stderr]     |                                        ^^^^^^^^^^^^^^^^^^ help: change this to: `&[Statement]`
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(clippy::ptr_arg)] on by default
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#ptr_arg
[INFO] [stderr] 
[INFO] [stderr] warning: you don't need to add `&` to all patterns
[INFO] [stderr]    --> src/lib.rs:155:5
[INFO] [stderr]     |
[INFO] [stderr] 155 | /     match statement {
[INFO] [stderr] 156 | |         &Expr(ref expr) => (eval_with_env(&expr, &env), env),
[INFO] [stderr] 157 | |         &Def {
[INFO] [stderr] 158 | |             ref name,
[INFO] [stderr] ...   |
[INFO] [stderr] 163 | |         }
[INFO] [stderr] 164 | |     }
[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] 155 |     match *statement {
[INFO] [stderr] 156 |         Expr(ref expr) => (eval_with_env(&expr, &env), env),
[INFO] [stderr] 157 |         Def {
[INFO] [stderr] 158 |             ref name,
[INFO] [stderr] 159 |             ref value,
[INFO] [stderr] 160 |         } => {
[INFO] [stderr]     |
[INFO] [stderr] 
[INFO] [stderr] warning: you don't need to add `&` to all patterns
[INFO] [stderr]    --> src/lib.rs:168:5
[INFO] [stderr]     |
[INFO] [stderr] 168 | /     match term.borrow() {
[INFO] [stderr] 169 | |         &App(ref fun, ref arg) => match eval_with_env(fun, env).borrow() {
[INFO] [stderr] 170 | |             &Fun(ref argname, ref body) => {
[INFO] [stderr] 171 | |                 eval_with_env(&replace(&body, &argname, &eval_with_env(&arg, &env)), env)
[INFO] [stderr] ...   |
[INFO] [stderr] 178 | |         _ => term.clone(),
[INFO] [stderr] 179 | |     }
[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] 168 |     match *term.borrow() {
[INFO] [stderr] 169 |         App(ref fun, ref arg) => match eval_with_env(fun, env).borrow() {
[INFO] [stderr] 170 |             &Fun(ref argname, ref body) => {
[INFO] [stderr] 171 |                 eval_with_env(&replace(&body, &argname, &eval_with_env(&arg, &env)), env)
[INFO] [stderr] 172 |             }
[INFO] [stderr] 173 |             _ => term.clone(),
[INFO] [stderr]   ...
[INFO] [stderr] 
[INFO] [stderr] warning: you don't need to add `&` to all patterns
[INFO] [stderr]    --> src/lib.rs:169:35
[INFO] [stderr]     |
[INFO] [stderr] 169 |           &App(ref fun, ref arg) => match eval_with_env(fun, env).borrow() {
[INFO] [stderr]     |  ___________________________________^
[INFO] [stderr] 170 | |             &Fun(ref argname, ref body) => {
[INFO] [stderr] 171 | |                 eval_with_env(&replace(&body, &argname, &eval_with_env(&arg, &env)), env)
[INFO] [stderr] 172 | |             }
[INFO] [stderr] 173 | |             _ => term.clone(),
[INFO] [stderr] 174 | |         },
[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] 169 |         &App(ref fun, ref arg) => match *eval_with_env(fun, env).borrow() {
[INFO] [stderr] 170 |             Fun(ref argname, ref body) => {
[INFO] [stderr]     |
[INFO] [stderr] 
[INFO] [stderr] warning: writing `&String` instead of `&str` involves a new object where a slice will do.
[INFO] [stderr]    --> src/lib.rs:182:45
[INFO] [stderr]     |
[INFO] [stderr] 182 | fn replace<'a>(term: &'a Rc<Term>, argname: &'a String, value: &'a Rc<Term>) -> Rc<Term> {
[INFO] [stderr]     |                                             ^^^^^^^^^^ help: change this to: `&str`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#ptr_arg
[INFO] [stderr] 
[INFO] [stderr] warning: you don't need to add `&` to all patterns
[INFO] [stderr]    --> src/lib.rs:183:5
[INFO] [stderr]     |
[INFO] [stderr] 183 | /     match term.borrow() {
[INFO] [stderr] 184 | |         &App(ref fun, ref arg) => app(replace(&fun, argname, value), replace(&arg, argname, value)),
[INFO] [stderr] 185 | |         &Fun(ref arg, ref body) if arg == argname => fun(&arg, Rc::clone(body)),
[INFO] [stderr] 186 | |         &Fun(ref arg, ref body) => fun(&arg, replace(&body, argname, value)),
[INFO] [stderr] 187 | |         &Var(ref arg) if arg == argname => Rc::clone(value),
[INFO] [stderr] 188 | |         &Var(_) => Rc::clone(term),
[INFO] [stderr] 189 | |     }
[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] 183 |     match *term.borrow() {
[INFO] [stderr] 184 |         App(ref fun, ref arg) => app(replace(&fun, argname, value), replace(&arg, argname, value)),
[INFO] [stderr] 185 |         Fun(ref arg, ref body) if arg == argname => fun(&arg, Rc::clone(body)),
[INFO] [stderr] 186 |         Fun(ref arg, ref body) => fun(&arg, replace(&body, argname, value)),
[INFO] [stderr] 187 |         Var(ref arg) if arg == argname => Rc::clone(value),
[INFO] [stderr] 188 |         Var(_) => Rc::clone(term),
[INFO] [stderr]     |
[INFO] [stderr] 
[INFO] [stderr] warning: you don't need to add `&` to all patterns
[INFO] [stderr]    --> src/lib.rs:193:5
[INFO] [stderr]     |
[INFO] [stderr] 193 | /     match term.borrow() {
[INFO] [stderr] 194 | |         &Var(ref x) => format!("{}", x),
[INFO] [stderr] 195 | |         &App(ref f, ref x) => format!("{} ({})", unparse(f), unparse(x)),
[INFO] [stderr] 196 | |         &Fun(ref x, ref body) => format!("({} -> {})", x, unparse(body)),
[INFO] [stderr] 197 | |     }
[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] 193 |     match *term.borrow() {
[INFO] [stderr] 194 |         Var(ref x) => format!("{}", x),
[INFO] [stderr] 195 |         App(ref f, ref x) => format!("{} ({})", unparse(f), unparse(x)),
[INFO] [stderr] 196 |         Fun(ref x, ref body) => format!("({} -> {})", x, unparse(body)),
[INFO] [stderr]     |
[INFO] [stderr] 
[INFO] [stderr] warning: useless use of `format!`
[INFO] [stderr]    --> src/lib.rs:194:24
[INFO] [stderr]     |
[INFO] [stderr] 194 |         &Var(ref x) => format!("{}", x),
[INFO] [stderr]     |                        ^^^^^^^^^^^^^^^^ help: consider using .to_string(): `x.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: you don't need to add `&` to all patterns
[INFO] [stderr]    --> src/lib.rs:201:5
[INFO] [stderr]     |
[INFO] [stderr] 201 | /     match statement {
[INFO] [stderr] 202 | |         &Expr(ref x) => unparse(x),
[INFO] [stderr] 203 | |         &Def {
[INFO] [stderr] 204 | |             ref name,
[INFO] [stderr] 205 | |             ref value,
[INFO] [stderr] 206 | |         } => format!("{} = {}", name, unparse(value)),
[INFO] [stderr] 207 | |     }
[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] 201 |     match *statement {
[INFO] [stderr] 202 |         Expr(ref x) => unparse(x),
[INFO] [stderr] 203 |         Def {
[INFO] [stderr] 204 |             ref name,
[INFO] [stderr] 205 |             ref value,
[INFO] [stderr] 206 |         } => format!("{} = {}", name, unparse(value)),
[INFO] [stderr]     |
[INFO] [stderr] 
[INFO] [stderr] warning: writing `&Vec<_>` instead of `&[_]` involves one more reference and cannot be used with non-Vec-based slices.
[INFO] [stderr]    --> src/lib.rs:143:40
[INFO] [stderr]     |
[INFO] [stderr] 143 | pub fn eval_statements<'a>(statements: &'a Vec<Statement>) -> Vec<Rc<Term>> {
[INFO] [stderr]     |                                        ^^^^^^^^^^^^^^^^^^ help: change this to: `&[Statement]`
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(clippy::ptr_arg)] on by default
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#ptr_arg
[INFO] [stderr] 
[INFO] [stderr] warning: you don't need to add `&` to all patterns
[INFO] [stderr]    --> src/lib.rs:155:5
[INFO] [stderr]     |
[INFO] [stderr] 155 | /     match statement {
[INFO] [stderr] 156 | |         &Expr(ref expr) => (eval_with_env(&expr, &env), env),
[INFO] [stderr] 157 | |         &Def {
[INFO] [stderr] 158 | |             ref name,
[INFO] [stderr] ...   |
[INFO] [stderr] 163 | |         }
[INFO] [stderr] 164 | |     }
[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] 155 |     match *statement {
[INFO] [stderr] 156 |         Expr(ref expr) => (eval_with_env(&expr, &env), env),
[INFO] [stderr] 157 |         Def {
[INFO] [stderr] 158 |             ref name,
[INFO] [stderr] 159 |             ref value,
[INFO] [stderr] 160 |         } => {
[INFO] [stderr]     |
[INFO] [stderr] 
[INFO] [stderr] warning: you don't need to add `&` to all patterns
[INFO] [stderr]    --> src/lib.rs:168:5
[INFO] [stderr]     |
[INFO] [stderr] 168 | /     match term.borrow() {
[INFO] [stderr] 169 | |         &App(ref fun, ref arg) => match eval_with_env(fun, env).borrow() {
[INFO] [stderr] 170 | |             &Fun(ref argname, ref body) => {
[INFO] [stderr] 171 | |                 eval_with_env(&replace(&body, &argname, &eval_with_env(&arg, &env)), env)
[INFO] [stderr] ...   |
[INFO] [stderr] 178 | |         _ => term.clone(),
[INFO] [stderr] 179 | |     }
[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] 168 |     match *term.borrow() {
[INFO] [stderr] 169 |         App(ref fun, ref arg) => match eval_with_env(fun, env).borrow() {
[INFO] [stderr] 170 |             &Fun(ref argname, ref body) => {
[INFO] [stderr] 171 |                 eval_with_env(&replace(&body, &argname, &eval_with_env(&arg, &env)), env)
[INFO] [stderr] 172 |             }
[INFO] [stderr] 173 |             _ => term.clone(),
[INFO] [stderr]   ...
[INFO] [stderr] 
[INFO] [stderr] warning: you don't need to add `&` to all patterns
[INFO] [stderr]    --> src/lib.rs:169:35
[INFO] [stderr]     |
[INFO] [stderr] 169 |           &App(ref fun, ref arg) => match eval_with_env(fun, env).borrow() {
[INFO] [stderr]     |  ___________________________________^
[INFO] [stderr] 170 | |             &Fun(ref argname, ref body) => {
[INFO] [stderr] 171 | |                 eval_with_env(&replace(&body, &argname, &eval_with_env(&arg, &env)), env)
[INFO] [stderr] 172 | |             }
[INFO] [stderr] 173 | |             _ => term.clone(),
[INFO] [stderr] 174 | |         },
[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] 169 |         &App(ref fun, ref arg) => match *eval_with_env(fun, env).borrow() {
[INFO] [stderr] 170 |             Fun(ref argname, ref body) => {
[INFO] [stderr]     |
[INFO] [stderr] 
[INFO] [stderr] warning: writing `&String` instead of `&str` involves a new object where a slice will do.
[INFO] [stderr]    --> src/lib.rs:182:45
[INFO] [stderr]     |
[INFO] [stderr] 182 | fn replace<'a>(term: &'a Rc<Term>, argname: &'a String, value: &'a Rc<Term>) -> Rc<Term> {
[INFO] [stderr]     |                                             ^^^^^^^^^^ help: change this to: `&str`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#ptr_arg
[INFO] [stderr] 
[INFO] [stderr] warning: you don't need to add `&` to all patterns
[INFO] [stderr]    --> src/lib.rs:183:5
[INFO] [stderr]     |
[INFO] [stderr] 183 | /     match term.borrow() {
[INFO] [stderr] 184 | |         &App(ref fun, ref arg) => app(replace(&fun, argname, value), replace(&arg, argname, value)),
[INFO] [stderr] 185 | |         &Fun(ref arg, ref body) if arg == argname => fun(&arg, Rc::clone(body)),
[INFO] [stderr] 186 | |         &Fun(ref arg, ref body) => fun(&arg, replace(&body, argname, value)),
[INFO] [stderr] 187 | |         &Var(ref arg) if arg == argname => Rc::clone(value),
[INFO] [stderr] 188 | |         &Var(_) => Rc::clone(term),
[INFO] [stderr] 189 | |     }
[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] 183 |     match *term.borrow() {
[INFO] [stderr] 184 |         App(ref fun, ref arg) => app(replace(&fun, argname, value), replace(&arg, argname, value)),
[INFO] [stderr] 185 |         Fun(ref arg, ref body) if arg == argname => fun(&arg, Rc::clone(body)),
[INFO] [stderr] 186 |         Fun(ref arg, ref body) => fun(&arg, replace(&body, argname, value)),
[INFO] [stderr] 187 |         Var(ref arg) if arg == argname => Rc::clone(value),
[INFO] [stderr] 188 |         Var(_) => Rc::clone(term),
[INFO] [stderr]     |
[INFO] [stderr] 
[INFO] [stderr] warning: you don't need to add `&` to all patterns
[INFO] [stderr]    --> src/lib.rs:193:5
[INFO] [stderr]     |
[INFO] [stderr] 193 | /     match term.borrow() {
[INFO] [stderr] 194 | |         &Var(ref x) => format!("{}", x),
[INFO] [stderr] 195 | |         &App(ref f, ref x) => format!("{} ({})", unparse(f), unparse(x)),
[INFO] [stderr] 196 | |         &Fun(ref x, ref body) => format!("({} -> {})", x, unparse(body)),
[INFO] [stderr] 197 | |     }
[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] 193 |     match *term.borrow() {
[INFO] [stderr] 194 |         Var(ref x) => format!("{}", x),
[INFO] [stderr] 195 |         App(ref f, ref x) => format!("{} ({})", unparse(f), unparse(x)),
[INFO] [stderr] 196 |         Fun(ref x, ref body) => format!("({} -> {})", x, unparse(body)),
[INFO] [stderr]     |
[INFO] [stderr] 
[INFO] [stderr] warning: useless use of `format!`
[INFO] [stderr]    --> src/lib.rs:194:24
[INFO] [stderr]     |
[INFO] [stderr] 194 |         &Var(ref x) => format!("{}", x),
[INFO] [stderr]     |                        ^^^^^^^^^^^^^^^^ help: consider using .to_string(): `x.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: you don't need to add `&` to all patterns
[INFO] [stderr]    --> src/lib.rs:201:5
[INFO] [stderr]     |
[INFO] [stderr] 201 | /     match statement {
[INFO] [stderr] 202 | |         &Expr(ref x) => unparse(x),
[INFO] [stderr] 203 | |         &Def {
[INFO] [stderr] 204 | |             ref name,
[INFO] [stderr] 205 | |             ref value,
[INFO] [stderr] 206 | |         } => format!("{} = {}", name, unparse(value)),
[INFO] [stderr] 207 | |     }
[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] 201 |     match *statement {
[INFO] [stderr] 202 |         Expr(ref x) => unparse(x),
[INFO] [stderr] 203 |         Def {
[INFO] [stderr] 204 |             ref name,
[INFO] [stderr] 205 |             ref value,
[INFO] [stderr] 206 |         } => format!("{} = {}", name, unparse(value)),
[INFO] [stderr]     |
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 5.97s
[INFO] running `"docker" "inspect" "fea619994ba8fa1b43889df1b6c844021e9f6360dff274d85e1f8e4973b192f8"`
[INFO] running `"docker" "rm" "-f" "fea619994ba8fa1b43889df1b6c844021e9f6360dff274d85e1f8e4973b192f8"`
[INFO] [stdout] fea619994ba8fa1b43889df1b6c844021e9f6360dff274d85e1f8e4973b192f8