[INFO] updating cached repository Ermain-12/Introduction-to-Rust [INFO] running `"git" "fetch" "--all"` [INFO] [stdout] Fetching origin [INFO] [stderr] From git://github.com/Ermain-12/Introduction-to-Rust [INFO] [stderr] * branch HEAD -> FETCH_HEAD [INFO] running `"git" "clone" "work/cache/sources/gh/Ermain-12/Introduction-to-Rust" "work/ex/clippy-test-run/sources/stable/gh/Ermain-12/Introduction-to-Rust"` [INFO] [stderr] Cloning into 'work/ex/clippy-test-run/sources/stable/gh/Ermain-12/Introduction-to-Rust'... [INFO] [stderr] done. [INFO] running `"git" "clone" "work/cache/sources/gh/Ermain-12/Introduction-to-Rust" "work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/gh/Ermain-12/Introduction-to-Rust"` [INFO] [stderr] Cloning into 'work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/gh/Ermain-12/Introduction-to-Rust'... [INFO] [stderr] done. [INFO] running `"git" "rev-parse" "HEAD"` [INFO] [stdout] 19db755187092c11f3f3ea13092682fc7bc92786 [INFO] sha for GitHub repo Ermain-12/Introduction-to-Rust: 19db755187092c11f3f3ea13092682fc7bc92786 [INFO] validating manifest of Ermain-12/Introduction-to-Rust 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 Ermain-12/Introduction-to-Rust 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 Ermain-12/Introduction-to-Rust [INFO] finished frobbing Ermain-12/Introduction-to-Rust [INFO] frobbed toml for Ermain-12/Introduction-to-Rust written to work/ex/clippy-test-run/sources/stable/gh/Ermain-12/Introduction-to-Rust/Cargo.toml [INFO] started frobbing Ermain-12/Introduction-to-Rust [INFO] finished frobbing Ermain-12/Introduction-to-Rust [INFO] frobbed toml for Ermain-12/Introduction-to-Rust written to work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/gh/Ermain-12/Introduction-to-Rust/Cargo.toml [INFO] crate Ermain-12/Introduction-to-Rust 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 Ermain-12/Introduction-to-Rust against stable for clippy-test-run [INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/clippy-test-run/worker-0/stable:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/clippy-test-run/sources/stable/gh/Ermain-12/Introduction-to-Rust:/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] 27780956323fabd59ba50f98bf014fb6d73f18d0b91c57403c42aa7e7c925479 [INFO] running `"docker" "start" "-a" "27780956323fabd59ba50f98bf014fb6d73f18d0b91c57403c42aa7e7c925479"` [INFO] [stderr] Checking hello_world v0.1.0 (/opt/crater/workdir) [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> src/main.rs:27:8 [INFO] [stderr] | [INFO] [stderr] 27 | let mut twenty_one = my_vec.pop(); [INFO] [stderr] | ----^^^^^^^^^^ [INFO] [stderr] | | [INFO] [stderr] | help: remove this `mut` [INFO] [stderr] | [INFO] [stderr] = note: #[warn(unused_mut)] on by default [INFO] [stderr] [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> src/main.rs:27:8 [INFO] [stderr] | [INFO] [stderr] 27 | let mut twenty_one = my_vec.pop(); [INFO] [stderr] | ----^^^^^^^^^^ [INFO] [stderr] | | [INFO] [stderr] | help: remove this `mut` [INFO] [stderr] | [INFO] [stderr] = note: #[warn(unused_mut)] on by default [INFO] [stderr] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 1.67s [INFO] running `"docker" "inspect" "27780956323fabd59ba50f98bf014fb6d73f18d0b91c57403c42aa7e7c925479"` [INFO] running `"docker" "rm" "-f" "27780956323fabd59ba50f98bf014fb6d73f18d0b91c57403c42aa7e7c925479"` [INFO] [stdout] 27780956323fabd59ba50f98bf014fb6d73f18d0b91c57403c42aa7e7c925479