[INFO] updating cached repository simonracz/planar
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/simonracz/planar
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/simonracz/planar" "work/ex/clippy-test-run/sources/stable/gh/simonracz/planar"`
[INFO] [stderr] Cloning into 'work/ex/clippy-test-run/sources/stable/gh/simonracz/planar'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/simonracz/planar" "work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/gh/simonracz/planar"`
[INFO] [stderr] Cloning into 'work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/gh/simonracz/planar'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] bbc2c3d7d3cf99c7ea4e33965ddc2b750b5585f2
[INFO] sha for GitHub repo simonracz/planar: bbc2c3d7d3cf99c7ea4e33965ddc2b750b5585f2
[INFO] validating manifest of simonracz/planar 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 simonracz/planar 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 simonracz/planar
[INFO] finished frobbing simonracz/planar
[INFO] frobbed toml for simonracz/planar written to work/ex/clippy-test-run/sources/stable/gh/simonracz/planar/Cargo.toml
[INFO] started frobbing simonracz/planar
[INFO] finished frobbing simonracz/planar
[INFO] frobbed toml for simonracz/planar written to work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/gh/simonracz/planar/Cargo.toml
[INFO] crate simonracz/planar 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 simonracz/planar against stable for clippy-test-run
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/clippy-test-run/worker-6/stable:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/clippy-test-run/sources/stable/gh/simonracz/planar:/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] db3cd3e8e96685f5b606e3ae8b0fea476bc66b6c251fcb15885dd8cc08db3701
[INFO] running `"docker" "start" "-a" "db3cd3e8e96685f5b606e3ae8b0fea476bc66b6c251fcb15885dd8cc08db3701"`
[INFO] [stderr]    Compiling syn v0.15.22
[INFO] [stderr]    Compiling structopt-derive v0.2.13
[INFO] [stderr]     Checking structopt v0.2.13
[INFO] [stderr]     Checking planar v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: unused variable: `points`
[INFO] [stderr]   --> src/main.rs:19:10
[INFO] [stderr]    |
[INFO] [stderr] 19 |     let mut points = vec![Point{x:0f64, y:0f64}, Point{x:0f64, y:1f64}];
[INFO] [stderr]    |             ^^^^^^ help: consider using `_points` instead
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(unused_variables)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]   --> src/main.rs:19:6
[INFO] [stderr]    |
[INFO] [stderr] 19 |     let mut points = vec![Point{x:0f64, y:0f64}, Point{x:0f64, y:1f64}];
[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: field is never used: `x`
[INFO] [stderr]   --> src/main.rs:14:5
[INFO] [stderr]    |
[INFO] [stderr] 14 |     x: f64,
[INFO] [stderr]    |     ^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(dead_code)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: field is never used: `y`
[INFO] [stderr]   --> src/main.rs:15:5
[INFO] [stderr]    |
[INFO] [stderr] 15 |     y: f64
[INFO] [stderr]    |     ^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `points`
[INFO] [stderr]   --> src/main.rs:19:10
[INFO] [stderr]    |
[INFO] [stderr] 19 |     let mut points = vec![Point{x:0f64, y:0f64}, Point{x:0f64, y:1f64}];
[INFO] [stderr]    |             ^^^^^^ help: consider using `_points` instead
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(unused_variables)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]   --> src/main.rs:19:6
[INFO] [stderr]    |
[INFO] [stderr] 19 |     let mut points = vec![Point{x:0f64, y:0f64}, Point{x:0f64, y:1f64}];
[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: field is never used: `x`
[INFO] [stderr]   --> src/main.rs:14:5
[INFO] [stderr]    |
[INFO] [stderr] 14 |     x: f64,
[INFO] [stderr]    |     ^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(dead_code)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: field is never used: `y`
[INFO] [stderr]   --> src/main.rs:15:5
[INFO] [stderr]    |
[INFO] [stderr] 15 |     y: f64
[INFO] [stderr]    |     ^^^^^^
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 11.47s
[INFO] running `"docker" "inspect" "db3cd3e8e96685f5b606e3ae8b0fea476bc66b6c251fcb15885dd8cc08db3701"`
[INFO] running `"docker" "rm" "-f" "db3cd3e8e96685f5b606e3ae8b0fea476bc66b6c251fcb15885dd8cc08db3701"`
[INFO] [stdout] db3cd3e8e96685f5b606e3ae8b0fea476bc66b6c251fcb15885dd8cc08db3701