[INFO] updating cached repository casey/cuckoo-bench [INFO] running `"git" "fetch" "--all"` [INFO] [stdout] Fetching origin [INFO] [stderr] From git://github.com/casey/cuckoo-bench [INFO] [stderr] * branch HEAD -> FETCH_HEAD [INFO] running `"git" "clone" "work/cache/sources/gh/casey/cuckoo-bench" "work/ex/clippy-test-run/sources/stable/gh/casey/cuckoo-bench"` [INFO] [stderr] Cloning into 'work/ex/clippy-test-run/sources/stable/gh/casey/cuckoo-bench'... [INFO] [stderr] done. [INFO] running `"git" "clone" "work/cache/sources/gh/casey/cuckoo-bench" "work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/gh/casey/cuckoo-bench"` [INFO] [stderr] Cloning into 'work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/gh/casey/cuckoo-bench'... [INFO] [stderr] done. [INFO] running `"git" "rev-parse" "HEAD"` [INFO] [stdout] 86f9849b46a1c4b4c735f2262d3346ba1ca5d3b4 [INFO] sha for GitHub repo casey/cuckoo-bench: 86f9849b46a1c4b4c735f2262d3346ba1ca5d3b4 [INFO] validating manifest of casey/cuckoo-bench 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 casey/cuckoo-bench 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 casey/cuckoo-bench [INFO] finished frobbing casey/cuckoo-bench [INFO] frobbed toml for casey/cuckoo-bench written to work/ex/clippy-test-run/sources/stable/gh/casey/cuckoo-bench/Cargo.toml [INFO] started frobbing casey/cuckoo-bench [INFO] finished frobbing casey/cuckoo-bench [INFO] frobbed toml for casey/cuckoo-bench written to work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/gh/casey/cuckoo-bench/Cargo.toml [INFO] crate casey/cuckoo-bench 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 casey/cuckoo-bench 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/casey/cuckoo-bench:/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] 8a91b51377276d9d9507ea4ae1afb852ae28bf616441cd02102b4a28e86d0c9a [INFO] running `"docker" "start" "-a" "8a91b51377276d9d9507ea4ae1afb852ae28bf616441cd02102b4a28e86d0c9a"` [INFO] [stderr] Checking serde_yaml v0.8.8 [INFO] [stderr] Checking libssh2-sys v0.2.11 [INFO] [stderr] Checking curl-sys v0.4.15 [INFO] [stderr] Compiling structopt-derive v0.2.13 [INFO] [stderr] Checking libgit2-sys v0.7.10 [INFO] [stderr] Checking git2 v0.7.5 [INFO] [stderr] Checking structopt v0.2.13 [INFO] [stderr] Checking cuckoo-bench v0.0.0 (/opt/crater/workdir) [INFO] [stderr] warning: called `skip(x).next()` on an iterator. This is more succinctly expressed by calling `nth(x)` [INFO] [stderr] --> src/graph.rs:22:17 [INFO] [stderr] | [INFO] [stderr] 22 | let nonce = graph_lines[0] [INFO] [stderr] | _________________^ [INFO] [stderr] 23 | | .split(' ') [INFO] [stderr] 24 | | .skip(1) [INFO] [stderr] 25 | | .next() [INFO] [stderr] | |_____________^ [INFO] [stderr] | [INFO] [stderr] = note: #[warn(clippy::iter_skip_next)] on by default [INFO] [stderr] = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#iter_skip_next [INFO] [stderr] [INFO] [stderr] warning: called `filter(p).next()` on an `Iterator`. This is more succinctly expressed by calling `.find(p)` instead. [INFO] [stderr] --> src/graph.rs:32:22 [INFO] [stderr] | [INFO] [stderr] 32 | let time_parts = graph_lines [INFO] [stderr] | ______________________^ [INFO] [stderr] 33 | | .iter() [INFO] [stderr] 34 | | .filter(|line| line.contains("ms total ")) [INFO] [stderr] 35 | | .next() [INFO] [stderr] | |_____________^ [INFO] [stderr] | [INFO] [stderr] = note: #[warn(clippy::filter_next)] on by default [INFO] [stderr] = note: replace `filter(|line| line.contains("ms total ")).next()` with `find(|line| line.contains("ms total "))` [INFO] [stderr] = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#filter_next [INFO] [stderr] [INFO] [stderr] warning: casting u32 to u64 may become silently lossy if types change [INFO] [stderr] --> src/main.rs:128:34 [INFO] [stderr] | [INFO] [stderr] 128 | elapsed.as_secs() * 1000 + elapsed.subsec_nanos() as u64 / 1_000_000 [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: try: `u64::from(elapsed.subsec_nanos())` [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: called `skip(x).next()` on an iterator. This is more succinctly expressed by calling `nth(x)` [INFO] [stderr] --> src/graph.rs:22:17 [INFO] [stderr] | [INFO] [stderr] 22 | let nonce = graph_lines[0] [INFO] [stderr] | _________________^ [INFO] [stderr] 23 | | .split(' ') [INFO] [stderr] 24 | | .skip(1) [INFO] [stderr] 25 | | .next() [INFO] [stderr] | |_____________^ [INFO] [stderr] | [INFO] [stderr] = note: #[warn(clippy::iter_skip_next)] on by default [INFO] [stderr] = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#iter_skip_next [INFO] [stderr] [INFO] [stderr] warning: called `filter(p).next()` on an `Iterator`. This is more succinctly expressed by calling `.find(p)` instead. [INFO] [stderr] --> src/graph.rs:32:22 [INFO] [stderr] | [INFO] [stderr] 32 | let time_parts = graph_lines [INFO] [stderr] | ______________________^ [INFO] [stderr] 33 | | .iter() [INFO] [stderr] 34 | | .filter(|line| line.contains("ms total ")) [INFO] [stderr] 35 | | .next() [INFO] [stderr] | |_____________^ [INFO] [stderr] | [INFO] [stderr] = note: #[warn(clippy::filter_next)] on by default [INFO] [stderr] = note: replace `filter(|line| line.contains("ms total ")).next()` with `find(|line| line.contains("ms total "))` [INFO] [stderr] = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#filter_next [INFO] [stderr] [INFO] [stderr] warning: casting u32 to u64 may become silently lossy if types change [INFO] [stderr] --> src/main.rs:128:34 [INFO] [stderr] | [INFO] [stderr] 128 | elapsed.as_secs() * 1000 + elapsed.subsec_nanos() as u64 / 1_000_000 [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: try: `u64::from(elapsed.subsec_nanos())` [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 12.97s [INFO] running `"docker" "inspect" "8a91b51377276d9d9507ea4ae1afb852ae28bf616441cd02102b4a28e86d0c9a"` [INFO] running `"docker" "rm" "-f" "8a91b51377276d9d9507ea4ae1afb852ae28bf616441cd02102b4a28e86d0c9a"` [INFO] [stdout] 8a91b51377276d9d9507ea4ae1afb852ae28bf616441cd02102b4a28e86d0c9a