[INFO] updating cached repository jgall/obj_c_rust_test
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/jgall/obj_c_rust_test
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/jgall/obj_c_rust_test" "work/ex/clippy-test-run/sources/stable/gh/jgall/obj_c_rust_test"`
[INFO] [stderr] Cloning into 'work/ex/clippy-test-run/sources/stable/gh/jgall/obj_c_rust_test'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/jgall/obj_c_rust_test" "work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/gh/jgall/obj_c_rust_test"`
[INFO] [stderr] Cloning into 'work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/gh/jgall/obj_c_rust_test'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] d99b84868cb9ecc7c2762735db8b31f3642a9f17
[INFO] sha for GitHub repo jgall/obj_c_rust_test: d99b84868cb9ecc7c2762735db8b31f3642a9f17
[INFO] validating manifest of jgall/obj_c_rust_test 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 jgall/obj_c_rust_test 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 jgall/obj_c_rust_test
[INFO] finished frobbing jgall/obj_c_rust_test
[INFO] frobbed toml for jgall/obj_c_rust_test written to work/ex/clippy-test-run/sources/stable/gh/jgall/obj_c_rust_test/Cargo.toml
[INFO] started frobbing jgall/obj_c_rust_test
[INFO] finished frobbing jgall/obj_c_rust_test
[INFO] frobbed toml for jgall/obj_c_rust_test written to work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/gh/jgall/obj_c_rust_test/Cargo.toml
[INFO] crate jgall/obj_c_rust_test 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 jgall/obj_c_rust_test against stable for clippy-test-run
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/clippy-test-run/worker-5/stable:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/clippy-test-run/sources/stable/gh/jgall/obj_c_rust_test:/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] 0c91fa1a63fb221e27aa222d8fc2678653ab5b5413e98a6aea872b847d02a694
[INFO] running `"docker" "start" "-a" "0c91fa1a63fb221e27aa222d8fc2678653ab5b5413e98a6aea872b847d02a694"`
[INFO] [stderr]     Checking malloc_buf v0.0.6
[INFO] [stderr]     Checking objc v0.2.5
[INFO] [stderr]     Checking obj_c_rust_test v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: unused import: `objc::declare::ClassDecl`
[INFO] [stderr]  --> src/class.rs:1:5
[INFO] [stderr]   |
[INFO] [stderr] 1 | use objc::declare::ClassDecl;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: #[warn(unused_imports)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused imports: `Class`, `Object`, `Sel`
[INFO] [stderr]  --> src/class.rs:2:21
[INFO] [stderr]   |
[INFO] [stderr] 2 | use objc::runtime::{Class, Object, Sel};
[INFO] [stderr]   |                     ^^^^^  ^^^^^^  ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unneeded return statement
[INFO] [stderr]   --> src/main.rs:18:9
[INFO] [stderr]    |
[INFO] [stderr] 18 |         return 3;
[INFO] [stderr]    |         ^^^^^^^^^ help: remove `return` as shown: `3`
[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/main.rs:27:13
[INFO] [stderr]    |
[INFO] [stderr] 27 |             return 5
[INFO] [stderr]    |             ^^^^^^^^ help: remove `return` as shown: `5`
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_return
[INFO] [stderr] 
[INFO] [stderr] warning: unneeded return statement
[INFO] [stderr]   --> src/main.rs:66:5
[INFO] [stderr]    |
[INFO] [stderr] 66 |     return obj;
[INFO] [stderr]    |     ^^^^^^^^^^^ help: remove `return` as shown: `obj`
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_return
[INFO] [stderr] 
[INFO] [stderr] warning: unneeded return statement
[INFO] [stderr]   --> src/class.rs:88:13
[INFO] [stderr]    |
[INFO] [stderr] 88 |             return 11;
[INFO] [stderr]    |             ^^^^^^^^^^ help: remove `return` as shown: `11`
[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/class.rs:97:17
[INFO] [stderr]    |
[INFO] [stderr] 97 |                 return t1+t2;
[INFO] [stderr]    |                 ^^^^^^^^^^^^^ help: remove `return` as shown: `t1+t2`
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_return
[INFO] [stderr] 
[INFO] [stderr] warning: unneeded return statement
[INFO] [stderr]    --> src/class.rs:100:17
[INFO] [stderr]     |
[INFO] [stderr] 100 |                 return t1*t2;
[INFO] [stderr]     |                 ^^^^^^^^^^^^^ help: remove `return` as shown: `t1*t2`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_return
[INFO] [stderr] 
[INFO] [stderr] warning: unneeded return statement
[INFO] [stderr]   --> src/main.rs:18:9
[INFO] [stderr]    |
[INFO] [stderr] 18 |         return 3;
[INFO] [stderr]    |         ^^^^^^^^^ help: remove `return` as shown: `3`
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_return
[INFO] [stderr] 
[INFO] [stderr] warning: unneeded return statement
[INFO] [stderr]   --> src/main.rs:27:13
[INFO] [stderr]    |
[INFO] [stderr] 27 |             return 5
[INFO] [stderr]    |             ^^^^^^^^ help: remove `return` as shown: `5`
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_return
[INFO] [stderr] 
[INFO] [stderr] warning: unneeded return statement
[INFO] [stderr]   --> src/main.rs:66:5
[INFO] [stderr]    |
[INFO] [stderr] 66 |     return obj;
[INFO] [stderr]    |     ^^^^^^^^^^^ help: remove `return` as shown: `obj`
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_return
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `obj`
[INFO] [stderr]   --> src/main.rs:17:30
[INFO] [stderr]    |
[INFO] [stderr] 17 |     extern "C" fn obj_method(obj: &mut Object, sel: Sel, i1: i32, i2: i32) -> i32 {
[INFO] [stderr]    |                              ^^^ help: consider using `_obj` instead
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(unused_variables)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `sel`
[INFO] [stderr]   --> src/main.rs:17:48
[INFO] [stderr]    |
[INFO] [stderr] 17 |     extern "C" fn obj_method(obj: &mut Object, sel: Sel, i1: i32, i2: i32) -> i32 {
[INFO] [stderr]    |                                                ^^^ help: consider using `_sel` instead
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `i1`
[INFO] [stderr]   --> src/main.rs:17:58
[INFO] [stderr]    |
[INFO] [stderr] 17 |     extern "C" fn obj_method(obj: &mut Object, sel: Sel, i1: i32, i2: i32) -> i32 {
[INFO] [stderr]    |                                                          ^^ help: consider using `_i1` instead
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `i2`
[INFO] [stderr]   --> src/main.rs:17:67
[INFO] [stderr]    |
[INFO] [stderr] 17 |     extern "C" fn obj_method(obj: &mut Object, sel: Sel, i1: i32, i2: i32) -> i32 {
[INFO] [stderr]    |                                                                   ^^ help: consider using `_i2` instead
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `obj`
[INFO] [stderr]   --> src/main.rs:26:68
[INFO] [stderr]    |
[INFO] [stderr] 26 |         (sel getThing2:(u32)t1 withOtherThing:(u32)t2 -> u32 with |obj, sel| {
[INFO] [stderr]    |                                                                    ^^^ help: consider using `_obj` instead
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `sel`
[INFO] [stderr]   --> src/main.rs:26:73
[INFO] [stderr]    |
[INFO] [stderr] 26 |         (sel getThing2:(u32)t1 withOtherThing:(u32)t2 -> u32 with |obj, sel| {
[INFO] [stderr]    |                                                                         ^^^ help: consider using `_sel` instead
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `t1`
[INFO] [stderr]   --> src/main.rs:26:29
[INFO] [stderr]    |
[INFO] [stderr] 26 |         (sel getThing2:(u32)t1 withOtherThing:(u32)t2 -> u32 with |obj, sel| {
[INFO] [stderr]    |                             ^^ help: consider using `_t1` instead
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `t2`
[INFO] [stderr]   --> src/main.rs:26:52
[INFO] [stderr]    |
[INFO] [stderr] 26 |         (sel getThing2:(u32)t1 withOtherThing:(u32)t2 -> u32 with |obj, sel| {
[INFO] [stderr]    |                                                    ^^ help: consider using `_t2` instead
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `obj`
[INFO] [stderr]   --> src/main.rs:17:30
[INFO] [stderr]    |
[INFO] [stderr] 17 |     extern "C" fn obj_method(obj: &mut Object, sel: Sel, i1: i32, i2: i32) -> i32 {
[INFO] [stderr]    |                              ^^^ help: consider using `_obj` instead
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(unused_variables)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `sel`
[INFO] [stderr]   --> src/main.rs:17:48
[INFO] [stderr]    |
[INFO] [stderr] 17 |     extern "C" fn obj_method(obj: &mut Object, sel: Sel, i1: i32, i2: i32) -> i32 {
[INFO] [stderr]    |                                                ^^^ help: consider using `_sel` instead
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `i1`
[INFO] [stderr]   --> src/main.rs:17:58
[INFO] [stderr]    |
[INFO] [stderr] 17 |     extern "C" fn obj_method(obj: &mut Object, sel: Sel, i1: i32, i2: i32) -> i32 {
[INFO] [stderr]    |                                                          ^^ help: consider using `_i1` instead
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `i2`
[INFO] [stderr]   --> src/main.rs:17:67
[INFO] [stderr]    |
[INFO] [stderr] 17 |     extern "C" fn obj_method(obj: &mut Object, sel: Sel, i1: i32, i2: i32) -> i32 {
[INFO] [stderr]    |                                                                   ^^ help: consider using `_i2` instead
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `obj`
[INFO] [stderr]   --> src/class.rs:87:34
[INFO] [stderr]    |
[INFO] [stderr] 87 |         extern "C" fn obj_method(obj: &mut Object, sel: Sel, i1: i32, i2: i32) -> i32 {
[INFO] [stderr]    |                                  ^^^ help: consider using `_obj` instead
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `sel`
[INFO] [stderr]   --> src/class.rs:87:52
[INFO] [stderr]    |
[INFO] [stderr] 87 |         extern "C" fn obj_method(obj: &mut Object, sel: Sel, i1: i32, i2: i32) -> i32 {
[INFO] [stderr]    |                                                    ^^^ help: consider using `_sel` instead
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `i1`
[INFO] [stderr]   --> src/class.rs:87:62
[INFO] [stderr]    |
[INFO] [stderr] 87 |         extern "C" fn obj_method(obj: &mut Object, sel: Sel, i1: i32, i2: i32) -> i32 {
[INFO] [stderr]    |                                                              ^^ help: consider using `_i1` instead
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `i2`
[INFO] [stderr]   --> src/class.rs:87:71
[INFO] [stderr]    |
[INFO] [stderr] 87 |         extern "C" fn obj_method(obj: &mut Object, sel: Sel, i1: i32, i2: i32) -> i32 {
[INFO] [stderr]    |                                                                       ^^ help: consider using `_i2` instead
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `obj`
[INFO] [stderr]   --> src/class.rs:96:56
[INFO] [stderr]    |
[INFO] [stderr] 96 |             (sel add:(i32)t1 with:(i32)t2 -> i32 with |obj, sel| {
[INFO] [stderr]    |                                                        ^^^ help: consider using `_obj` instead
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `sel`
[INFO] [stderr]   --> src/class.rs:96:61
[INFO] [stderr]    |
[INFO] [stderr] 96 |             (sel add:(i32)t1 with:(i32)t2 -> i32 with |obj, sel| {
[INFO] [stderr]    |                                                             ^^^ help: consider using `_sel` instead
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `cls`
[INFO] [stderr]   --> src/class.rs:99:63
[INFO] [stderr]    |
[INFO] [stderr] 99 |             (static sel mul:(i32)t1 with:(i32)t2 -> i32 with |cls, sel| {
[INFO] [stderr]    |                                                               ^^^ help: consider using `_cls` instead
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `sel`
[INFO] [stderr]   --> src/class.rs:99:68
[INFO] [stderr]    |
[INFO] [stderr] 99 |             (static sel mul:(i32)t1 with:(i32)t2 -> i32 with |cls, sel| {
[INFO] [stderr]    |                                                                    ^^^ help: consider using `_sel` instead
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `obj`
[INFO] [stderr]   --> src/main.rs:26:68
[INFO] [stderr]    |
[INFO] [stderr] 26 |         (sel getThing2:(u32)t1 withOtherThing:(u32)t2 -> u32 with |obj, sel| {
[INFO] [stderr]    |                                                                    ^^^ help: consider using `_obj` instead
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `sel`
[INFO] [stderr]   --> src/main.rs:26:73
[INFO] [stderr]    |
[INFO] [stderr] 26 |         (sel getThing2:(u32)t1 withOtherThing:(u32)t2 -> u32 with |obj, sel| {
[INFO] [stderr]    |                                                                         ^^^ help: consider using `_sel` instead
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `t1`
[INFO] [stderr]   --> src/main.rs:26:29
[INFO] [stderr]    |
[INFO] [stderr] 26 |         (sel getThing2:(u32)t1 withOtherThing:(u32)t2 -> u32 with |obj, sel| {
[INFO] [stderr]    |                             ^^ help: consider using `_t1` instead
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `t2`
[INFO] [stderr]   --> src/main.rs:26:52
[INFO] [stderr]    |
[INFO] [stderr] 26 |         (sel getThing2:(u32)t1 withOtherThing:(u32)t2 -> u32 with |obj, sel| {
[INFO] [stderr]    |                                                    ^^ help: consider using `_t2` instead
[INFO] [stderr] 
[INFO] [stderr] warning: unused attribute
[INFO] [stderr]   --> src/class.rs:82:5
[INFO] [stderr]    |
[INFO] [stderr] 82 |     #[macro_use]
[INFO] [stderr]    |     ^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(unused_attributes)] on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.34s
[INFO] running `"docker" "inspect" "0c91fa1a63fb221e27aa222d8fc2678653ab5b5413e98a6aea872b847d02a694"`
[INFO] running `"docker" "rm" "-f" "0c91fa1a63fb221e27aa222d8fc2678653ab5b5413e98a6aea872b847d02a694"`
[INFO] [stdout] 0c91fa1a63fb221e27aa222d8fc2678653ab5b5413e98a6aea872b847d02a694