[INFO] updating cached repository rtalwar26/rust-playground
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/rtalwar26/rust-playground
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/rtalwar26/rust-playground" "work/ex/clippy-test-run/sources/stable/gh/rtalwar26/rust-playground"`
[INFO] [stderr] Cloning into 'work/ex/clippy-test-run/sources/stable/gh/rtalwar26/rust-playground'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/rtalwar26/rust-playground" "work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/gh/rtalwar26/rust-playground"`
[INFO] [stderr] Cloning into 'work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/gh/rtalwar26/rust-playground'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 3acc2aca496baa888e75140b5535f559d7648baf
[INFO] sha for GitHub repo rtalwar26/rust-playground: 3acc2aca496baa888e75140b5535f559d7648baf
[INFO] validating manifest of rtalwar26/rust-playground 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 rtalwar26/rust-playground 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 rtalwar26/rust-playground
[INFO] finished frobbing rtalwar26/rust-playground
[INFO] frobbed toml for rtalwar26/rust-playground written to work/ex/clippy-test-run/sources/stable/gh/rtalwar26/rust-playground/Cargo.toml
[INFO] started frobbing rtalwar26/rust-playground
[INFO] finished frobbing rtalwar26/rust-playground
[INFO] frobbed toml for rtalwar26/rust-playground written to work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/gh/rtalwar26/rust-playground/Cargo.toml
[INFO] crate rtalwar26/rust-playground 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 rtalwar26/rust-playground 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-3/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/rtalwar26/rust-playground:/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] c07380e0a3b23318ce6201f8aa54e57d3fa0d02ad5dff27df2e95aa4f0a021bb
[INFO] running `"docker" "start" "-a" "c07380e0a3b23318ce6201f8aa54e57d3fa0d02ad5dff27df2e95aa4f0a021bb"`
[INFO] [stderr]     Checking myrust v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: unneeded return statement
[INFO] [stderr]   --> src/main.rs:44:5
[INFO] [stderr]    |
[INFO] [stderr] 44 |     return v;
[INFO] [stderr]    |     ^^^^^^^^^ help: remove `return` as shown: `v`
[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:117:5
[INFO] [stderr]     |
[INFO] [stderr] 117 |     return table;
[INFO] [stderr]     |     ^^^^^^^^^^^^^ help: remove `return` as shown: `table`
[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: `d`
[INFO] [stderr]   --> src/main.rs:35:8
[INFO] [stderr]    |
[INFO] [stderr] 35 |    let d = models::dog();
[INFO] [stderr]    |        ^ help: consider using `_d` instead
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(unused_variables)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `t`
[INFO] [stderr]    --> src/main.rs:106:9
[INFO] [stderr]     |
[INFO] [stderr] 106 |     let t: Rc<String> = s.clone();
[INFO] [stderr]     |         ^ help: consider using `_t` instead
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `u`
[INFO] [stderr]    --> src/main.rs:107:9
[INFO] [stderr]     |
[INFO] [stderr] 107 |     let u = s.clone();
[INFO] [stderr]     |         ^ help: consider using `_u` instead
[INFO] [stderr] 
[INFO] [stderr] warning: casting i16 to i32 may become silently lossy if types change
[INFO] [stderr]  --> src/arith/extra/mod.rs:2:5
[INFO] [stderr]   |
[INFO] [stderr] 2 |     (x*y) as i32
[INFO] [stderr]   |     ^^^^^^^^^^^^ help: try: `i32::from(x*y)`
[INFO] [stderr]   |
[INFO] [stderr]   = note: #[warn(clippy::cast_lossless)] on by default
[INFO] [stderr]   = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#cast_lossless
[INFO] [stderr] 
[INFO] [stderr] warning: unneeded return statement
[INFO] [stderr]   --> src/main.rs:44:5
[INFO] [stderr]    |
[INFO] [stderr] 44 |     return v;
[INFO] [stderr]    |     ^^^^^^^^^ help: remove `return` as shown: `v`
[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:117:5
[INFO] [stderr]     |
[INFO] [stderr] 117 |     return table;
[INFO] [stderr]     |     ^^^^^^^^^^^^^ help: remove `return` as shown: `table`
[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: `d`
[INFO] [stderr]   --> src/main.rs:35:8
[INFO] [stderr]    |
[INFO] [stderr] 35 |    let d = models::dog();
[INFO] [stderr]    |        ^ help: consider using `_d` instead
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(unused_variables)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `t`
[INFO] [stderr]    --> src/main.rs:106:9
[INFO] [stderr]     |
[INFO] [stderr] 106 |     let t: Rc<String> = s.clone();
[INFO] [stderr]     |         ^ help: consider using `_t` instead
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `u`
[INFO] [stderr]    --> src/main.rs:107:9
[INFO] [stderr]     |
[INFO] [stderr] 107 |     let u = s.clone();
[INFO] [stderr]     |         ^ help: consider using `_u` instead
[INFO] [stderr] 
[INFO] [stderr] warning: casting i16 to i32 may become silently lossy if types change
[INFO] [stderr]  --> src/arith/extra/mod.rs:2:5
[INFO] [stderr]   |
[INFO] [stderr] 2 |     (x*y) as i32
[INFO] [stderr]   |     ^^^^^^^^^^^^ help: try: `i32::from(x*y)`
[INFO] [stderr]   |
[INFO] [stderr]   = note: #[warn(clippy::cast_lossless)] on by default
[INFO] [stderr]   = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#cast_lossless
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.60s
[INFO] running `"docker" "inspect" "c07380e0a3b23318ce6201f8aa54e57d3fa0d02ad5dff27df2e95aa4f0a021bb"`
[INFO] running `"docker" "rm" "-f" "c07380e0a3b23318ce6201f8aa54e57d3fa0d02ad5dff27df2e95aa4f0a021bb"`
[INFO] [stdout] c07380e0a3b23318ce6201f8aa54e57d3fa0d02ad5dff27df2e95aa4f0a021bb