[INFO] crate elias-fano 0.2.6 is already in cache [INFO] extracting crate elias-fano 0.2.6 into work/ex/clippy-test-run/sources/stable/reg/elias-fano/0.2.6 [INFO] extracting crate elias-fano 0.2.6 into work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/reg/elias-fano/0.2.6 [INFO] validating manifest of elias-fano-0.2.6 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 elias-fano-0.2.6 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 elias-fano-0.2.6 [INFO] finished frobbing elias-fano-0.2.6 [INFO] frobbed toml for elias-fano-0.2.6 written to work/ex/clippy-test-run/sources/stable/reg/elias-fano/0.2.6/Cargo.toml [INFO] started frobbing elias-fano-0.2.6 [INFO] finished frobbing elias-fano-0.2.6 [INFO] frobbed toml for elias-fano-0.2.6 written to work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/reg/elias-fano/0.2.6/Cargo.toml [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+stable" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"` [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+stable" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"` [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 elias-fano-0.2.6 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-6/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/reg/elias-fano/0.2.6:/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] d3ce40923e4b2754870b6ab992622c4cdf48b2e716fb34c05ffe5df307b578cd [INFO] running `"docker" "start" "-a" "d3ce40923e4b2754870b6ab992622c4cdf48b2e716fb34c05ffe5df307b578cd"` [INFO] [stderr] Checking elias-fano v0.2.6 (/opt/crater/workdir) [INFO] [stderr] warning: casting u32 to u64 may become silently lossy if types change [INFO] [stderr] --> src/utils.rs:29:17 [INFO] [stderr] | [INFO] [stderr] 29 | 63u64 - n.leading_zeros() as u64 [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^ help: try: `u64::from(n.leading_zeros())` [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: defining a method called `next` on this type; consider implementing the `std::iter::Iterator` trait or choosing a less ambiguous name [INFO] [stderr] --> src/lib.rs:119:5 [INFO] [stderr] | [INFO] [stderr] 119 | / pub fn next(&mut self) -> Result { [INFO] [stderr] 120 | | self.position += 1; [INFO] [stderr] 121 | | [INFO] [stderr] 122 | | if self.position >= self.size() { [INFO] [stderr] ... | [INFO] [stderr] 127 | | Ok(self.value()) [INFO] [stderr] 128 | | } [INFO] [stderr] | |_____^ [INFO] [stderr] | [INFO] [stderr] = note: #[warn(clippy::should_implement_trait)] on by default [INFO] [stderr] = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#should_implement_trait [INFO] [stderr] [INFO] [stderr] warning: casting u32 to u64 may become silently lossy if types change [INFO] [stderr] --> src/utils.rs:29:17 [INFO] [stderr] | [INFO] [stderr] 29 | 63u64 - n.leading_zeros() as u64 [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^ help: try: `u64::from(n.leading_zeros())` [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: defining a method called `next` on this type; consider implementing the `std::iter::Iterator` trait or choosing a less ambiguous name [INFO] [stderr] --> src/lib.rs:119:5 [INFO] [stderr] | [INFO] [stderr] 119 | / pub fn next(&mut self) -> Result { [INFO] [stderr] 120 | | self.position += 1; [INFO] [stderr] 121 | | [INFO] [stderr] 122 | | if self.position >= self.size() { [INFO] [stderr] ... | [INFO] [stderr] 127 | | Ok(self.value()) [INFO] [stderr] 128 | | } [INFO] [stderr] | |_____^ [INFO] [stderr] | [INFO] [stderr] = note: #[warn(clippy::should_implement_trait)] on by default [INFO] [stderr] = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#should_implement_trait [INFO] [stderr] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 1.10s [INFO] running `"docker" "inspect" "d3ce40923e4b2754870b6ab992622c4cdf48b2e716fb34c05ffe5df307b578cd"` [INFO] running `"docker" "rm" "-f" "d3ce40923e4b2754870b6ab992622c4cdf48b2e716fb34c05ffe5df307b578cd"` [INFO] [stdout] d3ce40923e4b2754870b6ab992622c4cdf48b2e716fb34c05ffe5df307b578cd