[INFO] updating cached repository BiancaWentzel/LearningRust
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/BiancaWentzel/LearningRust
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/BiancaWentzel/LearningRust" "work/ex/clippy-test-run/sources/stable/gh/BiancaWentzel/LearningRust"`
[INFO] [stderr] Cloning into 'work/ex/clippy-test-run/sources/stable/gh/BiancaWentzel/LearningRust'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/BiancaWentzel/LearningRust" "work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/gh/BiancaWentzel/LearningRust"`
[INFO] [stderr] Cloning into 'work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/gh/BiancaWentzel/LearningRust'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 13d7820e2b92e388824ebabbc4ca4791062a687f
[INFO] sha for GitHub repo BiancaWentzel/LearningRust: 13d7820e2b92e388824ebabbc4ca4791062a687f
[INFO] validating manifest of BiancaWentzel/LearningRust 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 BiancaWentzel/LearningRust 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 BiancaWentzel/LearningRust
[INFO] finished frobbing BiancaWentzel/LearningRust
[INFO] frobbed toml for BiancaWentzel/LearningRust written to work/ex/clippy-test-run/sources/stable/gh/BiancaWentzel/LearningRust/Cargo.toml
[INFO] started frobbing BiancaWentzel/LearningRust
[INFO] finished frobbing BiancaWentzel/LearningRust
[INFO] frobbed toml for BiancaWentzel/LearningRust written to work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/gh/BiancaWentzel/LearningRust/Cargo.toml
[INFO] crate BiancaWentzel/LearningRust 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 BiancaWentzel/LearningRust 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/gh/BiancaWentzel/LearningRust:/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] 3c9ae9e7b91da51fbec3889cc553701c9732e91050fddaad0d3d7ea9944c9d64
[INFO] running `"docker" "start" "-a" "3c9ae9e7b91da51fbec3889cc553701c9732e91050fddaad0d3d7ea9944c9d64"`
[INFO] [stderr]     Checking LearningRust v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: unreachable expression
[INFO] [stderr]   --> src/bin/Rust_functions.rs:53:5
[INFO] [stderr]    |
[INFO] [stderr] 53 |     a-b //will not be executed
[INFO] [stderr]    |     ^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(unreachable_code)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: crate `Rust_functions` should have a snake case name such as `rust_functions`
[INFO] [stderr]   |
[INFO] [stderr]   = note: #[warn(non_snake_case)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `slice_whole_array`
[INFO] [stderr]   --> src/bin/Rust_primitive_types.rs:60:9
[INFO] [stderr]    |
[INFO] [stderr] 60 |     let slice_whole_array = &array_for_slicing[..]; // [1,2,3,4,5,6]
[INFO] [stderr]    |         ^^^^^^^^^^^^^^^^^ help: consider using `_slice_whole_array` instead
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(unused_variables)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `slice_part_of_array`
[INFO] [stderr]   --> src/bin/Rust_primitive_types.rs:61:9
[INFO] [stderr]    |
[INFO] [stderr] 61 |     let slice_part_of_array = &array_for_slicing[1..4]; //[2,3,4] note: the second boundary is exclusive
[INFO] [stderr]    |         ^^^^^^^^^^^^^^^^^^^ help: consider using `_slice_part_of_array` instead
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `hetero_tuple`
[INFO] [stderr]   --> src/bin/Rust_primitive_types.rs:66:9
[INFO] [stderr]    |
[INFO] [stderr] 66 |     let hetero_tuple: (i32,&str) = (1,"ein String");
[INFO] [stderr]    |         ^^^^^^^^^^^^ help: consider using `_hetero_tuple` instead
[INFO] [stderr] 
[INFO] [stderr] warning: variable `tupel1` is assigned to, but never used
[INFO] [stderr]   --> src/bin/Rust_primitive_types.rs:70:13
[INFO] [stderr]    |
[INFO] [stderr] 70 |     let mut tupel1: (i32,i32) = (1,2);
[INFO] [stderr]    |             ^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: consider using `_tupel1` instead
[INFO] [stderr] 
[INFO] [stderr] warning: value assigned to `tupel1` is never read
[INFO] [stderr]   --> src/bin/Rust_primitive_types.rs:73:5
[INFO] [stderr]    |
[INFO] [stderr] 73 |     tupel1=tupel2;
[INFO] [stderr]    |     ^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(unused_assignments)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `single_elemnt_tuple`
[INFO] [stderr]   --> src/bin/Rust_primitive_types.rs:82:9
[INFO] [stderr]    |
[INFO] [stderr] 82 |     let single_elemnt_tuple = (0,);
[INFO] [stderr]    |         ^^^^^^^^^^^^^^^^^^^ help: consider using `_single_elemnt_tuple` instead
[INFO] [stderr] 
[INFO] [stderr] warning: crate `Rust_primitive_types` should have a snake case name such as `rust_primitive_types`
[INFO] [stderr]   |
[INFO] [stderr]   = note: #[warn(non_snake_case)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `calciumNeutron`
[INFO] [stderr]   --> src/bin/Rust_structs.rs:63:9
[INFO] [stderr]    |
[INFO] [stderr] 63 |     let calciumNeutron = Neutron{};
[INFO] [stderr]    |         ^^^^^^^^^^^^^^ help: consider using `_calciumNeutron` instead
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(unused_variables)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `ZinnPositron`
[INFO] [stderr]   --> src/bin/Rust_structs.rs:64:9
[INFO] [stderr]    |
[INFO] [stderr] 64 |     let ZinnPositron = Positron;
[INFO] [stderr]    |         ^^^^^^^^^^^^ help: consider using `_ZinnPositron` instead
[INFO] [stderr] 
[INFO] [stderr] warning: struct is never constructed: `Grid4D`
[INFO] [stderr]   --> src/bin/Rust_structs.rs:39:5
[INFO] [stderr]    |
[INFO] [stderr] 39 |     struct Grid4D(i32,i32,i32,i32);
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(dead_code)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: crate `Rust_structs` should have a snake case name such as `rust_structs`
[INFO] [stderr]   |
[INFO] [stderr]   = note: #[warn(non_snake_case)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `a`
[INFO] [stderr]   --> src/bin/Rust_strings.rs:43:9
[INFO] [stderr]    |
[INFO] [stderr] 43 |     let a = name.chars().nth(3);
[INFO] [stderr]    |         ^ help: consider using `_a` instead
[INFO] [stderr] warning: variable `neuerPunkt` should have a snake case name such as `neuer_punkt`
[INFO] [stderr]   --> src/bin/Rust_structs.rs:23:9
[INFO] [stderr]    |
[INFO] [stderr] 23 |     let mut neuerPunkt = Grid3D{x:0,y:0,z:0};
[INFO] [stderr]    |         ^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(unused_variables)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `wen`
[INFO] [stderr]   --> src/bin/Rust_strings.rs:49:9
[INFO] [stderr]    |
[INFO] [stderr] 49 |     let wen = &nachname[0..2];
[INFO] [stderr]    |         ^^^ help: consider using `_wen` instead
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `hello_world`
[INFO] [stderr]   --> src/bin/Rust_strings.rs:56:9
[INFO] [stderr]    |
[INFO] [stderr] 56 |     let hello_world = hello+world;
[INFO] [stderr]    |         ^^^^^^^^^^^ help: consider using `_hello_world` instead
[INFO] [stderr] 
[INFO] [stderr] 
[INFO] [stderr] warning: variable `neuerUrsprung` should have a snake case name such as `neuer_ursprung`
[INFO] [stderr]   --> src/bin/Rust_structs.rs:29:9
[INFO] [stderr]    |
[INFO] [stderr] 29 |     let mut neuerUrsprung = Grid3D{x:1,y:1,z:1};
[INFO] [stderr]    |         ^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variable `punkt4D` should have a snake case name such as `punkt4_d`
[INFO] [stderr]   --> src/bin/Rust_structs.rs:40:9
[INFO] [stderr]    |
[INFO] [stderr] 40 |     let punkt4D = (0,1,2,3);
[INFO] [stderr]    |         ^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variable `calciumNeutron` should have a snake case name such as `calcium_neutron`
[INFO] [stderr]   --> src/bin/Rust_structs.rs:63:9
[INFO] [stderr]    |
[INFO] [stderr] 63 |     let calciumNeutron = Neutron{};
[INFO] [stderr]    |         ^^^^^^^^^^^^^^
[INFO] [stderr] warning: crate `Rust_strings` should have a snake case name such as `rust_strings`
[INFO] [stderr] 
[INFO] [stderr] warning: variable `ZinnPositron` should have a snake case name such as `zinn_positron`
[INFO] [stderr]   --> src/bin/Rust_structs.rs:64:9
[INFO] [stderr]    |
[INFO] [stderr] 64 |     let ZinnPositron = Positron;
[INFO] [stderr]    |         ^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr]   |
[INFO] [stderr]   = note: #[warn(non_snake_case)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: crate `Rust_ifs_and_loops` should have a snake case name such as `rust_ifs_and_loops`
[INFO] [stderr]   |
[INFO] [stderr]   = note: #[warn(non_snake_case)] on by default
[INFO] [stderr] 
[INFO] [stderr] error: Variable in the condition are not mutated in the loop body. This either leads to an infinite or to a never running loop.
[INFO] [stderr]   --> src/bin/Rust_ifs_and_loops.rs:62:11
[INFO] [stderr]    |
[INFO] [stderr] 62 |     while !falsch2 {
[INFO] [stderr]    |           ^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr] warning: unused variable: `origin_integer`
[INFO] [stderr]   --> src/bin/Rust_generics.rs:40:9
[INFO] [stderr]    |
[INFO] [stderr] 40 |     let origin_integer = Point{x:0,y:5,z:9};
[INFO] [stderr]    |         ^^^^^^^^^^^^^^ help: consider using `_origin_integer` instead
[INFO] [stderr]    = note: #[deny(clippy::while_immutable_condition)] on by default
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#while_immutable_condition
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to previous error
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(unused_variables)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `origin_float`
[INFO] [stderr]   --> src/bin/Rust_generics.rs:41:9
[INFO] [stderr]    |
[INFO] [stderr] 41 |     let origin_float = Point{x:0.0,y:1.0,z:8.0};
[INFO] [stderr]    |         ^^^^^^^^^^^^ help: consider using `_origin_float` instead
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `x`
[INFO] [stderr]   --> src/bin/Rust_generics.rs:25:26
[INFO] [stderr]    |
[INFO] [stderr] 25 |     fn takes_anything<T>(x:T){
[INFO] [stderr]    |                          ^ help: consider using `_x` instead
[INFO] [stderr] 
[INFO] [stderr] warning: enum is never used: `Option`
[INFO] [stderr]  --> src/bin/Rust_generics.rs:6:5
[INFO] [stderr]   |
[INFO] [stderr] 6 |     enum Option<T>{
[INFO] [stderr]   |     ^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: #[warn(dead_code)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: enum is never used: `Result`
[INFO] [stderr]   --> src/bin/Rust_generics.rs:16:5
[INFO] [stderr]    |
[INFO] [stderr] 16 |     enum Result<T,E>{
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `takes_anything`
[INFO] [stderr]   --> src/bin/Rust_generics.rs:25:5
[INFO] [stderr]    |
[INFO] [stderr] 25 |     fn takes_anything<T>(x:T){
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: field is never used: `x`
[INFO] [stderr]   --> src/bin/Rust_generics.rs:35:9
[INFO] [stderr]    |
[INFO] [stderr] 35 |         x:T,
[INFO] [stderr]    |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: field is never used: `y`
[INFO] [stderr]   --> src/bin/Rust_generics.rs:36:9
[INFO] [stderr]    |
[INFO] [stderr] 36 |         y:T,
[INFO] [stderr]    |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: field is never used: `z`
[INFO] [stderr]   --> src/bin/Rust_generics.rs:37:9
[INFO] [stderr]    |
[INFO] [stderr] 37 |         z:T,
[INFO] [stderr]    |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: crate `Rust_generics` should have a snake case name such as `rust_generics`
[INFO] [stderr]   |
[INFO] [stderr]   = note: #[warn(non_snake_case)] on by default
[INFO] [stderr] 
[INFO] [stderr] 
[INFO] [stderr] error: Could not compile `LearningRust`.
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] warning: redundant field names in struct initialization
[INFO] [stderr]   --> src/bin/Rust_method_syntax.rs:70:17
[INFO] [stderr]    |
[INFO] [stderr] 70 |                 x: x,
[INFO] [stderr]    |                 ^^^^ help: replace it with: `x`
[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/bin/Rust_method_syntax.rs:71:17
[INFO] [stderr]    |
[INFO] [stderr] 71 |                 y: y,
[INFO] [stderr]    |                 ^^^^ help: replace it with: `y`
[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/bin/Rust_method_syntax.rs:72:17
[INFO] [stderr]    |
[INFO] [stderr] 72 |                 radius: radius,
[INFO] [stderr]    |                 ^^^^^^^^^^^^^^ help: replace it with: `radius`
[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: crate `Rust_lifetimes` should have a snake case name such as `rust_lifetimes`
[INFO] [stderr]   |
[INFO] [stderr]   = note: #[warn(non_snake_case)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: crate `Rust_traits` should have a snake case name such as `rust_traits`
[INFO] [stderr]   |
[INFO] [stderr]   = note: #[warn(non_snake_case)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `c`
[INFO] [stderr]   --> src/bin/Rust_method_syntax.rs:78:13
[INFO] [stderr]    |
[INFO] [stderr] 78 |         let c = Circle3::new(0.0, 0.0, 2.0);
[INFO] [stderr]    |             ^ help: consider using `_c` instead
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(unused_variables)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: struct is never constructed: `Circle`
[INFO] [stderr]   --> src/bin/Rust_traits.rs:10:5
[INFO] [stderr]    |
[INFO] [stderr] 10 |     struct Circle {
[INFO] [stderr]    |     ^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(dead_code)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: crate `Rust_traits` should have a snake case name such as `rust_traits`
[INFO] [stderr]   |
[INFO] [stderr]   = note: #[warn(non_snake_case)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: crate `Rust_method_syntax` should have a snake case name such as `rust_method_syntax`
[INFO] [stderr]   |
[INFO] [stderr]   = note: #[warn(non_snake_case)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: crate `Rust_traitobjects` should have a snake case name such as `rust_traitobjects`
[INFO] [stderr]   |
[INFO] [stderr]   = note: #[warn(non_snake_case)] on by default
[INFO] [stderr] 
[INFO] [stderr] error: build failed
[INFO] running `"docker" "inspect" "3c9ae9e7b91da51fbec3889cc553701c9732e91050fddaad0d3d7ea9944c9d64"`
[INFO] running `"docker" "rm" "-f" "3c9ae9e7b91da51fbec3889cc553701c9732e91050fddaad0d3d7ea9944c9d64"`
[INFO] [stdout] 3c9ae9e7b91da51fbec3889cc553701c9732e91050fddaad0d3d7ea9944c9d64