[INFO] crate lib_xch 0.11.2 is already in cache
[INFO] extracting crate lib_xch 0.11.2 into work/ex/clippy-test-run/sources/stable/reg/lib_xch/0.11.2
[INFO] extracting crate lib_xch 0.11.2 into work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/reg/lib_xch/0.11.2
[INFO] validating manifest of lib_xch-0.11.2 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 lib_xch-0.11.2 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 lib_xch-0.11.2
[INFO] finished frobbing lib_xch-0.11.2
[INFO] frobbed toml for lib_xch-0.11.2 written to work/ex/clippy-test-run/sources/stable/reg/lib_xch/0.11.2/Cargo.toml
[INFO] started frobbing lib_xch-0.11.2
[INFO] finished frobbing lib_xch-0.11.2
[INFO] frobbed toml for lib_xch-0.11.2 written to work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/reg/lib_xch/0.11.2/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 lib_xch-0.11.2 against stable for clippy-test-run
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/clippy-test-run/worker-1/stable:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/clippy-test-run/sources/stable/reg/lib_xch/0.11.2:/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] 74dc2072188fe94dece74614b77e8b8b0942b73196422b18747afc45e508324a
[INFO] running `"docker" "start" "-a" "74dc2072188fe94dece74614b77e8b8b0942b73196422b18747afc45e508324a"`
[INFO] [stderr]     Checking approx v0.3.1
[INFO] [stderr]     Checking alga v0.7.2
[INFO] [stderr]     Checking nalgebra v0.16.13
[INFO] [stderr]     Checking lib_xch v0.11.2 (/opt/crater/workdir)
[INFO] [stderr] warning: unused import: `nalgebra`
[INFO] [stderr]   --> src/lib.rs:37:5
[INFO] [stderr]    |
[INFO] [stderr] 37 | use nalgebra;
[INFO] [stderr]    |     ^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(unused_imports)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `nalgebra`
[INFO] [stderr]   --> src/lib.rs:37:5
[INFO] [stderr]    |
[INFO] [stderr] 37 | use nalgebra;
[INFO] [stderr]    |     ^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(unused_imports)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: this .into_iter() call is equivalent to .iter() and will not move the slice
[INFO] [stderr]   --> src/api/handler.rs:79:7
[INFO] [stderr]    |
[INFO] [stderr] 79 |     s.into_iter()
[INFO] [stderr]    |       ^^^^^^^^^ help: call directly: `iter`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(clippy::into_iter_on_ref)] on by default
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#into_iter_on_ref
[INFO] [stderr] 
[INFO] [stderr] warning: this .into_iter() call is equivalent to .iter() and will not move the Vec
[INFO] [stderr]   --> src/api/handler.rs:80:20
[INFO] [stderr]    |
[INFO] [stderr] 80 |         .map(|x| x.into_iter().map(|s| s.get_data()).collect::<Vec<_>>())
[INFO] [stderr]    |                    ^^^^^^^^^ help: call directly: `iter`
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#into_iter_on_ref
[INFO] [stderr] 
[INFO] [stderr] warning: this .into_iter() call is equivalent to .iter() and will not move the slice
[INFO] [stderr]   --> src/api/handler.rs:79:7
[INFO] [stderr]    |
[INFO] [stderr] 79 |     s.into_iter()
[INFO] [stderr]    |       ^^^^^^^^^ help: call directly: `iter`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(clippy::into_iter_on_ref)] on by default
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#into_iter_on_ref
[INFO] [stderr] 
[INFO] [stderr] warning: this .into_iter() call is equivalent to .iter() and will not move the Vec
[INFO] [stderr]   --> src/api/handler.rs:80:20
[INFO] [stderr]    |
[INFO] [stderr] 80 |         .map(|x| x.into_iter().map(|s| s.get_data()).collect::<Vec<_>>())
[INFO] [stderr]    |                    ^^^^^^^^^ help: call directly: `iter`
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#into_iter_on_ref
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 41.56s
[INFO] running `"docker" "inspect" "74dc2072188fe94dece74614b77e8b8b0942b73196422b18747afc45e508324a"`
[INFO] running `"docker" "rm" "-f" "74dc2072188fe94dece74614b77e8b8b0942b73196422b18747afc45e508324a"`
[INFO] [stdout] 74dc2072188fe94dece74614b77e8b8b0942b73196422b18747afc45e508324a