[INFO] updating cached repository sendilkumarn/simple-wasm-tutorial
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/sendilkumarn/simple-wasm-tutorial
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/sendilkumarn/simple-wasm-tutorial" "work/ex/clippy-test-run/sources/stable/gh/sendilkumarn/simple-wasm-tutorial"`
[INFO] [stderr] Cloning into 'work/ex/clippy-test-run/sources/stable/gh/sendilkumarn/simple-wasm-tutorial'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/sendilkumarn/simple-wasm-tutorial" "work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/gh/sendilkumarn/simple-wasm-tutorial"`
[INFO] [stderr] Cloning into 'work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/gh/sendilkumarn/simple-wasm-tutorial'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] a4e7f9289f59b99395fe16e5f265734cca004c5e
[INFO] sha for GitHub repo sendilkumarn/simple-wasm-tutorial: a4e7f9289f59b99395fe16e5f265734cca004c5e
[INFO] validating manifest of sendilkumarn/simple-wasm-tutorial 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 sendilkumarn/simple-wasm-tutorial 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 sendilkumarn/simple-wasm-tutorial
[INFO] finished frobbing sendilkumarn/simple-wasm-tutorial
[INFO] frobbed toml for sendilkumarn/simple-wasm-tutorial written to work/ex/clippy-test-run/sources/stable/gh/sendilkumarn/simple-wasm-tutorial/Cargo.toml
[INFO] started frobbing sendilkumarn/simple-wasm-tutorial
[INFO] finished frobbing sendilkumarn/simple-wasm-tutorial
[INFO] frobbed toml for sendilkumarn/simple-wasm-tutorial written to work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/gh/sendilkumarn/simple-wasm-tutorial/Cargo.toml
[INFO] crate sendilkumarn/simple-wasm-tutorial 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 sendilkumarn/simple-wasm-tutorial 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-2/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/sendilkumarn/simple-wasm-tutorial:/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] 297324347c908f39b70c016c61a28908d25e205a525408d93d8f9b527d1e8a61
[INFO] running `"docker" "start" "-a" "297324347c908f39b70c016c61a28908d25e205a525408d93d8f9b527d1e8a61"`
[INFO] [stderr]     Checking tutorial v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: value assigned to `temp` is never read
[INFO] [stderr]   --> src/main.rs:11:13
[INFO] [stderr]    |
[INFO] [stderr] 11 |     let mut temp: f64 = 0.0;
[INFO] [stderr]    |             ^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(unused_assignments)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: value assigned to `temp` is never read
[INFO] [stderr]   --> src/main.rs:11:13
[INFO] [stderr]    |
[INFO] [stderr] 11 |     let mut temp: f64 = 0.0;
[INFO] [stderr]    |             ^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(unused_assignments)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: manual implementation of an assign operation
[INFO] [stderr]   --> src/main.rs:16:7
[INFO] [stderr]    |
[INFO] [stderr] 16 |       a = a + b;
[INFO] [stderr]    |       ^^^^^^^^^ help: replace it with: `a += b`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(clippy::assign_op_pattern)] on by default
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#assign_op_pattern
[INFO] [stderr] 
[INFO] [stderr] warning: manual implementation of an assign operation
[INFO] [stderr]   --> src/main.rs:16:7
[INFO] [stderr]    |
[INFO] [stderr] 16 |       a = a + b;
[INFO] [stderr]    |       ^^^^^^^^^ help: replace it with: `a += b`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(clippy::assign_op_pattern)] on by default
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#assign_op_pattern
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.51s
[INFO] running `"docker" "inspect" "297324347c908f39b70c016c61a28908d25e205a525408d93d8f9b527d1e8a61"`
[INFO] running `"docker" "rm" "-f" "297324347c908f39b70c016c61a28908d25e205a525408d93d8f9b527d1e8a61"`
[INFO] [stdout] 297324347c908f39b70c016c61a28908d25e205a525408d93d8f9b527d1e8a61