[INFO] updating cached repository rap2hpoutre/landscape
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/rap2hpoutre/landscape
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/rap2hpoutre/landscape" "work/ex/clippy-test-run/sources/stable/gh/rap2hpoutre/landscape"`
[INFO] [stderr] Cloning into 'work/ex/clippy-test-run/sources/stable/gh/rap2hpoutre/landscape'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/rap2hpoutre/landscape" "work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/gh/rap2hpoutre/landscape"`
[INFO] [stderr] Cloning into 'work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/gh/rap2hpoutre/landscape'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] d07fedcc9aad3139c516e53d4d9b589512a45c00
[INFO] sha for GitHub repo rap2hpoutre/landscape: d07fedcc9aad3139c516e53d4d9b589512a45c00
[INFO] validating manifest of rap2hpoutre/landscape 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 rap2hpoutre/landscape 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 rap2hpoutre/landscape
[INFO] finished frobbing rap2hpoutre/landscape
[INFO] frobbed toml for rap2hpoutre/landscape written to work/ex/clippy-test-run/sources/stable/gh/rap2hpoutre/landscape/Cargo.toml
[INFO] started frobbing rap2hpoutre/landscape
[INFO] finished frobbing rap2hpoutre/landscape
[INFO] frobbed toml for rap2hpoutre/landscape written to work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/gh/rap2hpoutre/landscape/Cargo.toml
[INFO] crate rap2hpoutre/landscape 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 rap2hpoutre/landscape 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/gh/rap2hpoutre/landscape:/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] 9925709e5e9d1583b1e38ad53d3640a6137dcb5ed1b63fdd0aae744285bf27c6
[INFO] running `"docker" "start" "-a" "9925709e5e9d1583b1e38ad53d3640a6137dcb5ed1b63fdd0aae744285bf27c6"`
[INFO] [stderr]    Compiling rayon-core v1.0.0
[INFO] [stderr]     Checking itertools v0.4.19
[INFO] [stderr]     Checking num-complex v0.1.37
[INFO] [stderr]     Checking num-bigint v0.1.37
[INFO] [stderr]     Checking rayon v0.6.0
[INFO] [stderr]     Checking quickcheck v0.2.27
[INFO] [stderr]     Checking num-rational v0.1.36
[INFO] [stderr]     Checking rayon v0.7.0
[INFO] [stderr]     Checking num v0.1.37
[INFO] [stderr]     Checking nalgebra v0.5.1
[INFO] [stderr]     Checking jpeg-decoder v0.1.12
[INFO] [stderr]     Checking image v0.13.0
[INFO] [stderr]     Checking imageproc v0.8.0
[INFO] [stderr]     Checking landscape v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: redundant field names in struct initialization
[INFO] [stderr]   --> src/main.rs:46:13
[INFO] [stderr]    |
[INFO] [stderr] 46 |             points: points
[INFO] [stderr]    |             ^^^^^^^^^^^^^^ help: replace it with: `points`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(clippy::redundant_field_names)] on by default
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#redundant_field_names
[INFO] [stderr] 
[INFO] [stderr] warning: redundant field names in struct initialization
[INFO] [stderr]   --> src/main.rs:46:13
[INFO] [stderr]    |
[INFO] [stderr] 46 |             points: points
[INFO] [stderr]    |             ^^^^^^^^^^^^^^ help: replace it with: `points`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(clippy::redundant_field_names)] on by default
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#redundant_field_names
[INFO] [stderr] 
[INFO] [stderr] warning: manual implementation of an assign operation
[INFO] [stderr]   --> src/main.rs:27:13
[INFO] [stderr]    |
[INFO] [stderr] 27 |             height = height + slope;
[INFO] [stderr]    |             ^^^^^^^^^^^^^^^^^^^^^^^ help: replace it with: `height += slope`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(clippy::assign_op_pattern)] on by default
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#assign_op_pattern
[INFO] [stderr] 
[INFO] [stderr] warning: manual implementation of an assign operation
[INFO] [stderr]   --> src/main.rs:28:13
[INFO] [stderr]    |
[INFO] [stderr] 28 |             slope = slope + (rng.gen_range(0.0, step_change) * 2.0 - step_change);
[INFO] [stderr]    |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: replace it with: `slope += (rng.gen_range(0.0, step_change) * 2.0 - step_change)`
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#assign_op_pattern
[INFO] [stderr] 
[INFO] [stderr] warning: manual implementation of an assign operation
[INFO] [stderr]   --> src/main.rs:38:17
[INFO] [stderr]    |
[INFO] [stderr] 38 |                 slope = slope * -1.0;
[INFO] [stderr]    |                 ^^^^^^^^^^^^^^^^^^^^ help: replace it with: `slope *= -1.0`
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#assign_op_pattern
[INFO] [stderr] 
[INFO] [stderr] warning: manual implementation of an assign operation
[INFO] [stderr]   --> src/main.rs:41:17
[INFO] [stderr]    |
[INFO] [stderr] 41 |                 slope = slope * -1.0;
[INFO] [stderr]    |                 ^^^^^^^^^^^^^^^^^^^^ help: replace it with: `slope *= -1.0`
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#assign_op_pattern
[INFO] [stderr] 
[INFO] [stderr] warning: manual implementation of an assign operation
[INFO] [stderr]   --> src/main.rs:56:13
[INFO] [stderr]    |
[INFO] [stderr] 56 |             i = i + 1;
[INFO] [stderr]    |             ^^^^^^^^^ help: replace it with: `i += 1`
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#assign_op_pattern
[INFO] [stderr] 
[INFO] [stderr] warning: casting u32 to f64 may become silently lossy if types change
[INFO] [stderr]   --> src/main.rs:94:23
[INFO] [stderr]    |
[INFO] [stderr] 94 |         let y_amp = ( (399 - 480 / 2 / mountain_count * (mountain_count - i)) as f64, 401.0 );
[INFO] [stderr]    |                       ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: try: `f64::from(399 - 480 / 2 / mountain_count * (mountain_count - i))`
[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: manual implementation of an assign operation
[INFO] [stderr]   --> src/main.rs:27:13
[INFO] [stderr]    |
[INFO] [stderr] 27 |             height = height + slope;
[INFO] [stderr]    |             ^^^^^^^^^^^^^^^^^^^^^^^ help: replace it with: `height += slope`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(clippy::assign_op_pattern)] on by default
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#assign_op_pattern
[INFO] [stderr] 
[INFO] [stderr] warning: manual implementation of an assign operation
[INFO] [stderr]   --> src/main.rs:28:13
[INFO] [stderr]    |
[INFO] [stderr] 28 |             slope = slope + (rng.gen_range(0.0, step_change) * 2.0 - step_change);
[INFO] [stderr]    |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: replace it with: `slope += (rng.gen_range(0.0, step_change) * 2.0 - step_change)`
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#assign_op_pattern
[INFO] [stderr] 
[INFO] [stderr] warning: manual implementation of an assign operation
[INFO] [stderr]   --> src/main.rs:38:17
[INFO] [stderr]    |
[INFO] [stderr] 38 |                 slope = slope * -1.0;
[INFO] [stderr]    |                 ^^^^^^^^^^^^^^^^^^^^ help: replace it with: `slope *= -1.0`
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#assign_op_pattern
[INFO] [stderr] 
[INFO] [stderr] warning: manual implementation of an assign operation
[INFO] [stderr]   --> src/main.rs:41:17
[INFO] [stderr]    |
[INFO] [stderr] 41 |                 slope = slope * -1.0;
[INFO] [stderr]    |                 ^^^^^^^^^^^^^^^^^^^^ help: replace it with: `slope *= -1.0`
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#assign_op_pattern
[INFO] [stderr] 
[INFO] [stderr] warning: manual implementation of an assign operation
[INFO] [stderr]   --> src/main.rs:56:13
[INFO] [stderr]    |
[INFO] [stderr] 56 |             i = i + 1;
[INFO] [stderr]    |             ^^^^^^^^^ help: replace it with: `i += 1`
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#assign_op_pattern
[INFO] [stderr] 
[INFO] [stderr] warning: casting u32 to f64 may become silently lossy if types change
[INFO] [stderr]   --> src/main.rs:94:23
[INFO] [stderr]    |
[INFO] [stderr] 94 |         let y_amp = ( (399 - 480 / 2 / mountain_count * (mountain_count - i)) as f64, 401.0 );
[INFO] [stderr]    |                       ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: try: `f64::from(399 - 480 / 2 / mountain_count * (mountain_count - i))`
[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 20.62s
[INFO] running `"docker" "inspect" "9925709e5e9d1583b1e38ad53d3640a6137dcb5ed1b63fdd0aae744285bf27c6"`
[INFO] running `"docker" "rm" "-f" "9925709e5e9d1583b1e38ad53d3640a6137dcb5ed1b63fdd0aae744285bf27c6"`
[INFO] [stdout] 9925709e5e9d1583b1e38ad53d3640a6137dcb5ed1b63fdd0aae744285bf27c6