[INFO] updating cached repository peterjoel/pest_calc
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/peterjoel/pest_calc
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/peterjoel/pest_calc" "work/ex/clippy-test-run/sources/stable/gh/peterjoel/pest_calc"`
[INFO] [stderr] Cloning into 'work/ex/clippy-test-run/sources/stable/gh/peterjoel/pest_calc'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/peterjoel/pest_calc" "work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/gh/peterjoel/pest_calc"`
[INFO] [stderr] Cloning into 'work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/gh/peterjoel/pest_calc'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 6325c8e184b0219910ed667fbcf7082dfd9173c4
[INFO] sha for GitHub repo peterjoel/pest_calc: 6325c8e184b0219910ed667fbcf7082dfd9173c4
[INFO] validating manifest of peterjoel/pest_calc 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 peterjoel/pest_calc 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 peterjoel/pest_calc
[INFO] finished frobbing peterjoel/pest_calc
[INFO] frobbed toml for peterjoel/pest_calc written to work/ex/clippy-test-run/sources/stable/gh/peterjoel/pest_calc/Cargo.toml
[INFO] started frobbing peterjoel/pest_calc
[INFO] finished frobbing peterjoel/pest_calc
[INFO] frobbed toml for peterjoel/pest_calc written to work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/gh/peterjoel/pest_calc/Cargo.toml
[INFO] crate peterjoel/pest_calc 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 peterjoel/pest_calc against stable for clippy-test-run
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/clippy-test-run/worker-3/stable:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/clippy-test-run/sources/stable/gh/peterjoel/pest_calc:/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] e34ba47d78709d5eda11cfa0f5f32a276eea44ce519b97c24082926d68204ea5
[INFO] running `"docker" "start" "-a" "e34ba47d78709d5eda11cfa0f5f32a276eea44ce519b97c24082926d68204ea5"`
[INFO] [stderr]     Checking float-cmp v0.4.0
[INFO] [stderr]     Checking pestest v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: method is never used: `eval`
[INFO] [stderr]   --> src/calc.rs:30:5
[INFO] [stderr]    |
[INFO] [stderr] 30 |     pub fn eval(&self) -> f64 {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(dead_code)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: identical conversion
[INFO] [stderr]   --> src/calc.rs:31:20
[INFO] [stderr]    |
[INFO] [stderr] 31 |         let pair = self.pairs.clone().into_iter().next().unwrap();
[INFO] [stderr]    |                    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: consider removing `.into_iter()`: `self.pairs.clone()`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(clippy::identity_conversion)] on by default
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#identity_conversion
[INFO] [stderr] 
[INFO] [stderr] warning: identical conversion
[INFO] [stderr]   --> src/calc.rs:36:20
[INFO] [stderr]    |
[INFO] [stderr] 36 |         let pair = self.pairs.clone().into_iter().next().unwrap();
[INFO] [stderr]    |                    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: consider removing `.into_iter()`: `self.pairs.clone()`
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#identity_conversion
[INFO] [stderr] 
[INFO] [stderr] warning: identical conversion
[INFO] [stderr]   --> src/calc.rs:31:20
[INFO] [stderr]    |
[INFO] [stderr] 31 |         let pair = self.pairs.clone().into_iter().next().unwrap();
[INFO] [stderr]    |                    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: consider removing `.into_iter()`: `self.pairs.clone()`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(clippy::identity_conversion)] on by default
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#identity_conversion
[INFO] [stderr] 
[INFO] [stderr] warning: identical conversion
[INFO] [stderr]   --> src/calc.rs:36:20
[INFO] [stderr]    |
[INFO] [stderr] 36 |         let pair = self.pairs.clone().into_iter().next().unwrap();
[INFO] [stderr]    |                    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: consider removing `.into_iter()`: `self.pairs.clone()`
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#identity_conversion
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.64s
[INFO] running `"docker" "inspect" "e34ba47d78709d5eda11cfa0f5f32a276eea44ce519b97c24082926d68204ea5"`
[INFO] running `"docker" "rm" "-f" "e34ba47d78709d5eda11cfa0f5f32a276eea44ce519b97c24082926d68204ea5"`
[INFO] [stdout] e34ba47d78709d5eda11cfa0f5f32a276eea44ce519b97c24082926d68204ea5