[INFO] updating cached repository adrianbrink/rustlings [INFO] running `"git" "fetch" "--all"` [INFO] [stdout] Fetching origin [INFO] [stderr] From git://github.com/adrianbrink/rustlings [INFO] [stderr] * branch HEAD -> FETCH_HEAD [INFO] running `"git" "clone" "work/cache/sources/gh/adrianbrink/rustlings" "work/ex/clippy-test-run/sources/stable/gh/adrianbrink/rustlings"` [INFO] [stderr] Cloning into 'work/ex/clippy-test-run/sources/stable/gh/adrianbrink/rustlings'... [INFO] [stderr] done. [INFO] running `"git" "clone" "work/cache/sources/gh/adrianbrink/rustlings" "work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/gh/adrianbrink/rustlings"` [INFO] [stderr] Cloning into 'work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/gh/adrianbrink/rustlings'... [INFO] [stderr] done. [INFO] running `"git" "rev-parse" "HEAD"` [INFO] [stdout] 0f7a4dbe9c6744b4f27a2960564cb8f67b4fda15 [INFO] sha for GitHub repo adrianbrink/rustlings: 0f7a4dbe9c6744b4f27a2960564cb8f67b4fda15 [INFO] validating manifest of adrianbrink/rustlings 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 adrianbrink/rustlings 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 adrianbrink/rustlings [INFO] finished frobbing adrianbrink/rustlings [INFO] frobbed toml for adrianbrink/rustlings written to work/ex/clippy-test-run/sources/stable/gh/adrianbrink/rustlings/Cargo.toml [INFO] started frobbing adrianbrink/rustlings [INFO] finished frobbing adrianbrink/rustlings [INFO] frobbed toml for adrianbrink/rustlings written to work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/gh/adrianbrink/rustlings/Cargo.toml [INFO] crate adrianbrink/rustlings 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 adrianbrink/rustlings 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/adrianbrink/rustlings:/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] 3f085eff73ad9bc755f960c0f104196740c89db4455a84b872d00e958989f4f6 [INFO] running `"docker" "start" "-a" "3f085eff73ad9bc755f960c0f104196740c89db4455a84b872d00e958989f4f6"` [INFO] [stderr] Checking rustlings v0.1.0 (/opt/crater/workdir) [INFO] [stderr] warning: module has the same name as its containing module [INFO] [stderr] --> src/tests.rs:10:1 [INFO] [stderr] | [INFO] [stderr] 10 | / mod tests { [INFO] [stderr] 11 | | #[test] [INFO] [stderr] 12 | | fn you_can_assert() { [INFO] [stderr] 13 | | assert!(true); [INFO] [stderr] ... | [INFO] [stderr] 43 | | } [INFO] [stderr] 44 | | } [INFO] [stderr] | |_^ [INFO] [stderr] | [INFO] [stderr] = note: #[warn(clippy::module_inception)] on by default [INFO] [stderr] = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#module_inception [INFO] [stderr] [INFO] [stderr] warning: function is never used: `is_even` [INFO] [stderr] --> src/tests.rs:1:1 [INFO] [stderr] | [INFO] [stderr] 1 | fn is_even(num: i32) -> bool { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: #[warn(dead_code)] on by default [INFO] [stderr] [INFO] [stderr] warning: function is never used: `times_two` [INFO] [stderr] --> src/tests.rs:5:1 [INFO] [stderr] | [INFO] [stderr] 5 | fn times_two(num: i32) -> i32 { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: taken reference of right operand [INFO] [stderr] --> src/primitives.rs:39:8 [INFO] [stderr] | [INFO] [stderr] 39 | if nice_slice == &[2, 3, 4] { [INFO] [stderr] | ^^^^^^^^^^^^^^---------- [INFO] [stderr] | | [INFO] [stderr] | help: use the right value directly: `[2, 3, 4]` [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: taken reference of right operand [INFO] [stderr] --> src/primitives.rs:39:8 [INFO] [stderr] | [INFO] [stderr] 39 | if nice_slice == &[2, 3, 4] { [INFO] [stderr] | ^^^^^^^^^^^^^^---------- [INFO] [stderr] | | [INFO] [stderr] | help: use the right value directly: `[2, 3, 4]` [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 2.06s [INFO] running `"docker" "inspect" "3f085eff73ad9bc755f960c0f104196740c89db4455a84b872d00e958989f4f6"` [INFO] running `"docker" "rm" "-f" "3f085eff73ad9bc755f960c0f104196740c89db4455a84b872d00e958989f4f6"` [INFO] [stdout] 3f085eff73ad9bc755f960c0f104196740c89db4455a84b872d00e958989f4f6