[INFO] updating cached repository diegor8/learning-rust-with-iterators [INFO] running `"git" "fetch" "--all"` [INFO] [stdout] Fetching origin [INFO] [stderr] From git://github.com/diegor8/learning-rust-with-iterators [INFO] [stderr] * branch HEAD -> FETCH_HEAD [INFO] running `"git" "clone" "work/cache/sources/gh/diegor8/learning-rust-with-iterators" "work/ex/clippy-test-run/sources/stable/gh/diegor8/learning-rust-with-iterators"` [INFO] [stderr] Cloning into 'work/ex/clippy-test-run/sources/stable/gh/diegor8/learning-rust-with-iterators'... [INFO] [stderr] done. [INFO] running `"git" "clone" "work/cache/sources/gh/diegor8/learning-rust-with-iterators" "work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/gh/diegor8/learning-rust-with-iterators"` [INFO] [stderr] Cloning into 'work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/gh/diegor8/learning-rust-with-iterators'... [INFO] [stderr] done. [INFO] running `"git" "rev-parse" "HEAD"` [INFO] [stdout] e700ac59880848aec266e88d79ff574d5427065b [INFO] sha for GitHub repo diegor8/learning-rust-with-iterators: e700ac59880848aec266e88d79ff574d5427065b [INFO] validating manifest of diegor8/learning-rust-with-iterators 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 diegor8/learning-rust-with-iterators 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 diegor8/learning-rust-with-iterators [INFO] finished frobbing diegor8/learning-rust-with-iterators [INFO] frobbed toml for diegor8/learning-rust-with-iterators written to work/ex/clippy-test-run/sources/stable/gh/diegor8/learning-rust-with-iterators/Cargo.toml [INFO] started frobbing diegor8/learning-rust-with-iterators [INFO] finished frobbing diegor8/learning-rust-with-iterators [INFO] frobbed toml for diegor8/learning-rust-with-iterators written to work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/gh/diegor8/learning-rust-with-iterators/Cargo.toml [INFO] crate diegor8/learning-rust-with-iterators 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 diegor8/learning-rust-with-iterators against stable for clippy-test-run [INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/clippy-test-run/worker-7/stable:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/clippy-test-run/sources/stable/gh/diegor8/learning-rust-with-iterators:/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] a62d52f30240676701f53a1f2b6fca1ac3fed8c7918d052b3771377a0473df58 [INFO] running `"docker" "start" "-a" "a62d52f30240676701f53a1f2b6fca1ac3fed8c7918d052b3771377a0473df58"` [INFO] [stderr] Checking main v0.1.0 (/opt/crater/workdir) [INFO] [stderr] warning: unneeded return statement [INFO] [stderr] --> src/semana9.rs:21:4 [INFO] [stderr] | [INFO] [stderr] 21 | return mierror ; [INFO] [stderr] | ^^^^^^^^^^^^^^^^ help: remove `return` as shown: `mierror` [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: unused variable: `garbage` [INFO] [stderr] --> src/semana9.rs:9:11 [INFO] [stderr] | [INFO] [stderr] 9 | fn entero(garbage:usize) -> usize { [INFO] [stderr] | ^^^^^^^ help: consider using `_garbage` instead [INFO] [stderr] | [INFO] [stderr] = note: #[warn(unused_variables)] on by default [INFO] [stderr] [INFO] [stderr] warning: constant item is never used: `ejercicio` [INFO] [stderr] --> src/semana9.rs:3:1 [INFO] [stderr] | [INFO] [stderr] 3 | const ejercicio : usize = 2; [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: #[warn(dead_code)] on by default [INFO] [stderr] [INFO] [stderr] warning: constant `ejercicio` should have an upper case name such as `EJERCICIO` [INFO] [stderr] --> src/semana9.rs:3:1 [INFO] [stderr] | [INFO] [stderr] 3 | const ejercicio : usize = 2; [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: #[warn(non_upper_case_globals)] on by default [INFO] [stderr] [INFO] [stderr] warning: function `ListaInput` should have a snake case name such as `lista_input` [INFO] [stderr] --> src/semana9.rs:24:1 [INFO] [stderr] | [INFO] [stderr] 24 | / fn ListaInput() -> Vec { [INFO] [stderr] 25 | | (0..entero(0)).map(entero).collect() [INFO] [stderr] 26 | | } [INFO] [stderr] | |_^ [INFO] [stderr] | [INFO] [stderr] = note: #[warn(non_snake_case)] on by default [INFO] [stderr] [INFO] [stderr] warning: function `SumarMayoresA10` should have a snake case name such as `sumar_mayores_a10` [INFO] [stderr] --> src/semana9.rs:28:1 [INFO] [stderr] | [INFO] [stderr] 28 | / fn SumarMayoresA10(vector :Vec ) -> usize { [INFO] [stderr] 29 | | let diez : usize = 10; [INFO] [stderr] 30 | | vector.iter().filter(|x| x >= &&diez ).fold(0,|x,y|x+y) [INFO] [stderr] 31 | | } [INFO] [stderr] | |_^ [INFO] [stderr] [INFO] [stderr] warning: this `.fold` can be written more succinctly using another method [INFO] [stderr] --> src/semana9.rs:30:43 [INFO] [stderr] | [INFO] [stderr] 30 | vector.iter().filter(|x| x >= &&diez ).fold(0,|x,y|x+y) [INFO] [stderr] | ^^^^^^^^^^^^^^^^^ help: try: `.sum()` [INFO] [stderr] | [INFO] [stderr] = note: #[warn(clippy::unnecessary_fold)] on by default [INFO] [stderr] = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#unnecessary_fold [INFO] [stderr] [INFO] [stderr] warning: taken reference of right operand [INFO] [stderr] --> src/semana9.rs:30:30 [INFO] [stderr] | [INFO] [stderr] 30 | vector.iter().filter(|x| x >= &&diez ).fold(0,|x,y|x+y) [INFO] [stderr] | ^^^^^------ [INFO] [stderr] | | [INFO] [stderr] | help: use the right value directly: `&diez` [INFO] [stderr] | [INFO] [stderr] = note: #[warn(clippy::op_ref)] on by default [INFO] [stderr] = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#op_ref [INFO] [stderr] [INFO] [stderr] warning: function is never used: `factorial` [INFO] [stderr] --> src/main.rs:8:1 [INFO] [stderr] | [INFO] [stderr] 8 | fn factorial(n : usize) -> usize { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: #[warn(dead_code)] on by default [INFO] [stderr] [INFO] [stderr] warning: function is never used: `factor` [INFO] [stderr] --> src/main.rs:12:1 [INFO] [stderr] | [INFO] [stderr] 12 | fn factor(n:usize) -> usize { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: this `.fold` can be written more succinctly using another method [INFO] [stderr] --> src/main.rs:9:13 [INFO] [stderr] | [INFO] [stderr] 9 | (1..n+1).fold(1,|x,y|x*y) [INFO] [stderr] | ^^^^^^^^^^^^^^^^^ help: try: `.product()` [INFO] [stderr] | [INFO] [stderr] = note: #[warn(clippy::unnecessary_fold)] on by default [INFO] [stderr] = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#unnecessary_fold [INFO] [stderr] [INFO] [stderr] warning: an inclusive range would be more readable [INFO] [stderr] --> src/main.rs:9:5 [INFO] [stderr] | [INFO] [stderr] 9 | (1..n+1).fold(1,|x,y|x*y) [INFO] [stderr] | ^^^^^^^^ help: use: `(1..=n)` [INFO] [stderr] | [INFO] [stderr] = note: #[warn(clippy::range_plus_one)] on by default [INFO] [stderr] = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#range_plus_one [INFO] [stderr] [INFO] [stderr] warning: this `.fold` can be written more succinctly using another method [INFO] [stderr] --> src/main.rs:13:28 [INFO] [stderr] | [INFO] [stderr] 13 | (1..n+1).map(factorial).fold(0,|x,y|x+y) [INFO] [stderr] | ^^^^^^^^^^^^^^^^^ help: try: `.sum()` [INFO] [stderr] | [INFO] [stderr] = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#unnecessary_fold [INFO] [stderr] [INFO] [stderr] warning: an inclusive range would be more readable [INFO] [stderr] --> src/main.rs:13:5 [INFO] [stderr] | [INFO] [stderr] 13 | (1..n+1).map(factorial).fold(0,|x,y|x+y) [INFO] [stderr] | ^^^^^^^^ help: use: `(1..=n)` [INFO] [stderr] | [INFO] [stderr] = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#range_plus_one [INFO] [stderr] [INFO] [stderr] warning: function `numeroPerfecto` should have a snake case name such as `numero_perfecto` [INFO] [stderr] --> src/main.rs:16:1 [INFO] [stderr] | [INFO] [stderr] 16 | / fn numeroPerfecto(n:i64) -> bool { [INFO] [stderr] 17 | | n == (1..n).filter(|x|n%x == 0).fold(0,|x,y|x+y) [INFO] [stderr] 18 | | } [INFO] [stderr] | |_^ [INFO] [stderr] | [INFO] [stderr] = note: #[warn(non_snake_case)] on by default [INFO] [stderr] [INFO] [stderr] warning: this `.fold` can be written more succinctly using another method [INFO] [stderr] --> src/main.rs:17:36 [INFO] [stderr] | [INFO] [stderr] 17 | n == (1..n).filter(|x|n%x == 0).fold(0,|x,y|x+y) [INFO] [stderr] | ^^^^^^^^^^^^^^^^^ help: try: `.sum()` [INFO] [stderr] | [INFO] [stderr] = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#unnecessary_fold [INFO] [stderr] [INFO] [stderr] warning: function `SepararPalabras` should have a snake case name such as `separar_palabras` [INFO] [stderr] --> src/main.rs:20:1 [INFO] [stderr] | [INFO] [stderr] 20 | / fn SepararPalabras (cadena : &str ) -> Vec<&str> { [INFO] [stderr] 21 | | cadena.split(" ").filter(|x| x != &"" ).collect() [INFO] [stderr] 22 | | } [INFO] [stderr] | |_^ [INFO] [stderr] [INFO] [stderr] warning: single-character string constant used as pattern [INFO] [stderr] --> src/main.rs:21:18 [INFO] [stderr] | [INFO] [stderr] 21 | cadena.split(" ").filter(|x| x != &"" ).collect() [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: function `OtrosCaracteres` should have a snake case name such as `otros_caracteres` [INFO] [stderr] --> src/main.rs:24:1 [INFO] [stderr] | [INFO] [stderr] 24 | / fn OtrosCaracteres (cadena : &str ) -> usize { [INFO] [stderr] 25 | | SepararPalabras(cadena).join("").len() [INFO] [stderr] 26 | | } [INFO] [stderr] | |_^ [INFO] [stderr] [INFO] [stderr] warning: function `CuentaPalabras` should have a snake case name such as `cuenta_palabras` [INFO] [stderr] --> src/main.rs:28:1 [INFO] [stderr] | [INFO] [stderr] 28 | / fn CuentaPalabras (cadena : &str) -> usize { [INFO] [stderr] 29 | | SepararPalabras(cadena).len() [INFO] [stderr] 30 | | } [INFO] [stderr] | |_^ [INFO] [stderr] [INFO] [stderr] warning: function is never used: `factorial` [INFO] [stderr] --> src/main.rs:8:1 [INFO] [stderr] | [INFO] [stderr] 8 | fn factorial(n : usize) -> usize { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: #[warn(dead_code)] on by default [INFO] [stderr] [INFO] [stderr] warning: function is never used: `factor` [INFO] [stderr] --> src/main.rs:12:1 [INFO] [stderr] | [INFO] [stderr] 12 | fn factor(n:usize) -> usize { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: this `.fold` can be written more succinctly using another method [INFO] [stderr] --> src/main.rs:9:13 [INFO] [stderr] | [INFO] [stderr] 9 | (1..n+1).fold(1,|x,y|x*y) [INFO] [stderr] | ^^^^^^^^^^^^^^^^^ help: try: `.product()` [INFO] [stderr] | [INFO] [stderr] = note: #[warn(clippy::unnecessary_fold)] on by default [INFO] [stderr] = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#unnecessary_fold [INFO] [stderr] [INFO] [stderr] warning: an inclusive range would be more readable [INFO] [stderr] --> src/main.rs:9:5 [INFO] [stderr] | [INFO] [stderr] 9 | (1..n+1).fold(1,|x,y|x*y) [INFO] [stderr] | ^^^^^^^^ help: use: `(1..=n)` [INFO] [stderr] | [INFO] [stderr] = note: #[warn(clippy::range_plus_one)] on by default [INFO] [stderr] = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#range_plus_one [INFO] [stderr] [INFO] [stderr] warning: this `.fold` can be written more succinctly using another method [INFO] [stderr] --> src/main.rs:13:28 [INFO] [stderr] | [INFO] [stderr] 13 | (1..n+1).map(factorial).fold(0,|x,y|x+y) [INFO] [stderr] | ^^^^^^^^^^^^^^^^^ help: try: `.sum()` [INFO] [stderr] | [INFO] [stderr] = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#unnecessary_fold [INFO] [stderr] [INFO] [stderr] warning: an inclusive range would be more readable [INFO] [stderr] --> src/main.rs:13:5 [INFO] [stderr] | [INFO] [stderr] 13 | (1..n+1).map(factorial).fold(0,|x,y|x+y) [INFO] [stderr] | ^^^^^^^^ help: use: `(1..=n)` [INFO] [stderr] | [INFO] [stderr] = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#range_plus_one [INFO] [stderr] [INFO] [stderr] warning: function `numeroPerfecto` should have a snake case name such as `numero_perfecto` [INFO] [stderr] --> src/main.rs:16:1 [INFO] [stderr] | [INFO] [stderr] 16 | / fn numeroPerfecto(n:i64) -> bool { [INFO] [stderr] 17 | | n == (1..n).filter(|x|n%x == 0).fold(0,|x,y|x+y) [INFO] [stderr] 18 | | } [INFO] [stderr] | |_^ [INFO] [stderr] | [INFO] [stderr] = note: #[warn(non_snake_case)] on by default [INFO] [stderr] [INFO] [stderr] warning: this `.fold` can be written more succinctly using another method [INFO] [stderr] --> src/main.rs:17:36 [INFO] [stderr] | [INFO] [stderr] 17 | n == (1..n).filter(|x|n%x == 0).fold(0,|x,y|x+y) [INFO] [stderr] | ^^^^^^^^^^^^^^^^^ help: try: `.sum()` [INFO] [stderr] | [INFO] [stderr] = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#unnecessary_fold [INFO] [stderr] [INFO] [stderr] warning: function `SepararPalabras` should have a snake case name such as `separar_palabras` [INFO] [stderr] --> src/main.rs:20:1 [INFO] [stderr] | [INFO] [stderr] 20 | / fn SepararPalabras (cadena : &str ) -> Vec<&str> { [INFO] [stderr] 21 | | cadena.split(" ").filter(|x| x != &"" ).collect() [INFO] [stderr] 22 | | } [INFO] [stderr] | |_^ [INFO] [stderr] [INFO] [stderr] warning: single-character string constant used as pattern [INFO] [stderr] --> src/main.rs:21:18 [INFO] [stderr] | [INFO] [stderr] 21 | cadena.split(" ").filter(|x| x != &"" ).collect() [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: function `OtrosCaracteres` should have a snake case name such as `otros_caracteres` [INFO] [stderr] --> src/main.rs:24:1 [INFO] [stderr] | [INFO] [stderr] 24 | / fn OtrosCaracteres (cadena : &str ) -> usize { [INFO] [stderr] 25 | | SepararPalabras(cadena).join("").len() [INFO] [stderr] 26 | | } [INFO] [stderr] | |_^ [INFO] [stderr] [INFO] [stderr] warning: function `CuentaPalabras` should have a snake case name such as `cuenta_palabras` [INFO] [stderr] --> src/main.rs:28:1 [INFO] [stderr] | [INFO] [stderr] 28 | / fn CuentaPalabras (cadena : &str) -> usize { [INFO] [stderr] 29 | | SepararPalabras(cadena).len() [INFO] [stderr] 30 | | } [INFO] [stderr] | |_^ [INFO] [stderr] [INFO] [stderr] warning: unneeded return statement [INFO] [stderr] --> src/semana9.rs:21:4 [INFO] [stderr] | [INFO] [stderr] 21 | return mierror ; [INFO] [stderr] | ^^^^^^^^^^^^^^^^ help: remove `return` as shown: `mierror` [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: unused variable: `garbage` [INFO] [stderr] --> src/semana9.rs:9:11 [INFO] [stderr] | [INFO] [stderr] 9 | fn entero(garbage:usize) -> usize { [INFO] [stderr] | ^^^^^^^ help: consider using `_garbage` instead [INFO] [stderr] | [INFO] [stderr] = note: #[warn(unused_variables)] on by default [INFO] [stderr] [INFO] [stderr] warning: constant item is never used: `ejercicio` [INFO] [stderr] --> src/semana9.rs:3:1 [INFO] [stderr] | [INFO] [stderr] 3 | const ejercicio : usize = 2; [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: #[warn(dead_code)] on by default [INFO] [stderr] [INFO] [stderr] warning: constant `ejercicio` should have an upper case name such as `EJERCICIO` [INFO] [stderr] --> src/semana9.rs:3:1 [INFO] [stderr] | [INFO] [stderr] 3 | const ejercicio : usize = 2; [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: #[warn(non_upper_case_globals)] on by default [INFO] [stderr] [INFO] [stderr] warning: function `ListaInput` should have a snake case name such as `lista_input` [INFO] [stderr] --> src/semana9.rs:24:1 [INFO] [stderr] | [INFO] [stderr] 24 | / fn ListaInput() -> Vec { [INFO] [stderr] 25 | | (0..entero(0)).map(entero).collect() [INFO] [stderr] 26 | | } [INFO] [stderr] | |_^ [INFO] [stderr] | [INFO] [stderr] = note: #[warn(non_snake_case)] on by default [INFO] [stderr] [INFO] [stderr] warning: function `SumarMayoresA10` should have a snake case name such as `sumar_mayores_a10` [INFO] [stderr] --> src/semana9.rs:28:1 [INFO] [stderr] | [INFO] [stderr] 28 | / fn SumarMayoresA10(vector :Vec ) -> usize { [INFO] [stderr] 29 | | let diez : usize = 10; [INFO] [stderr] 30 | | vector.iter().filter(|x| x >= &&diez ).fold(0,|x,y|x+y) [INFO] [stderr] 31 | | } [INFO] [stderr] | |_^ [INFO] [stderr] [INFO] [stderr] warning: this `.fold` can be written more succinctly using another method [INFO] [stderr] --> src/semana9.rs:30:43 [INFO] [stderr] | [INFO] [stderr] 30 | vector.iter().filter(|x| x >= &&diez ).fold(0,|x,y|x+y) [INFO] [stderr] | ^^^^^^^^^^^^^^^^^ help: try: `.sum()` [INFO] [stderr] | [INFO] [stderr] = note: #[warn(clippy::unnecessary_fold)] on by default [INFO] [stderr] = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#unnecessary_fold [INFO] [stderr] [INFO] [stderr] warning: taken reference of right operand [INFO] [stderr] --> src/semana9.rs:30:30 [INFO] [stderr] | [INFO] [stderr] 30 | vector.iter().filter(|x| x >= &&diez ).fold(0,|x,y|x+y) [INFO] [stderr] | ^^^^^------ [INFO] [stderr] | | [INFO] [stderr] | help: use the right value directly: `&diez` [INFO] [stderr] | [INFO] [stderr] = note: #[warn(clippy::op_ref)] on by default [INFO] [stderr] = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#op_ref [INFO] [stderr] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 0.72s [INFO] running `"docker" "inspect" "a62d52f30240676701f53a1f2b6fca1ac3fed8c7918d052b3771377a0473df58"` [INFO] running `"docker" "rm" "-f" "a62d52f30240676701f53a1f2b6fca1ac3fed8c7918d052b3771377a0473df58"` [INFO] [stdout] a62d52f30240676701f53a1f2b6fca1ac3fed8c7918d052b3771377a0473df58