[INFO] updating cached repository sethsamuel/adventofcode-2018
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/sethsamuel/adventofcode-2018
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/sethsamuel/adventofcode-2018" "work/ex/clippy-test-run/sources/stable/gh/sethsamuel/adventofcode-2018"`
[INFO] [stderr] Cloning into 'work/ex/clippy-test-run/sources/stable/gh/sethsamuel/adventofcode-2018'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/sethsamuel/adventofcode-2018" "work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/gh/sethsamuel/adventofcode-2018"`
[INFO] [stderr] Cloning into 'work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/gh/sethsamuel/adventofcode-2018'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 6644d3395ce6f7ef4cdb9629c38d348d3efdd905
[INFO] sha for GitHub repo sethsamuel/adventofcode-2018: 6644d3395ce6f7ef4cdb9629c38d348d3efdd905
[INFO] validating manifest of sethsamuel/adventofcode-2018 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 sethsamuel/adventofcode-2018 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 sethsamuel/adventofcode-2018
[INFO] finished frobbing sethsamuel/adventofcode-2018
[INFO] frobbed toml for sethsamuel/adventofcode-2018 written to work/ex/clippy-test-run/sources/stable/gh/sethsamuel/adventofcode-2018/Cargo.toml
[INFO] started frobbing sethsamuel/adventofcode-2018
[INFO] finished frobbing sethsamuel/adventofcode-2018
[INFO] frobbed toml for sethsamuel/adventofcode-2018 written to work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/gh/sethsamuel/adventofcode-2018/Cargo.toml
[INFO] crate sethsamuel/adventofcode-2018 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 sethsamuel/adventofcode-2018 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/sethsamuel/adventofcode-2018:/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] 92052c1b691fd816d1a55d613933295cc96a48a7a6f8b57fd5507487076cb758
[INFO] running `"docker" "start" "-a" "92052c1b691fd816d1a55d613933295cc96a48a7a6f8b57fd5507487076cb758"`
[INFO] [stderr]     Checking rand v0.4.3
[INFO] [stderr]     Checking termios v0.3.1
[INFO] [stderr]     Checking clicolors-control v0.3.0
[INFO] [stderr]     Checking number_prefix v0.2.8
[INFO] [stderr]     Checking rand v0.6.1
[INFO] [stderr]     Checking rand v0.3.22
[INFO] [stderr]     Checking tempfile v2.2.0
[INFO] [stderr]     Checking skiplist v0.2.10
[INFO] [stderr]     Checking parking_lot_core v0.4.0
[INFO] [stderr]     Checking parking_lot v0.7.0
[INFO] [stderr]     Checking console v0.7.0
[INFO] [stderr]     Checking dialoguer v0.3.0
[INFO] [stderr]     Checking indicatif v0.10.1
[INFO] [stderr]     Checking adventofcode-2018 v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: returning the result of a let binding from a block. Consider returning the expression directly.
[INFO] [stderr]   --> src/day_10/mod.rs:72:5
[INFO] [stderr]    |
[INFO] [stderr] 72 |     particle
[INFO] [stderr]    |     ^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(clippy::let_and_return)] on by default
[INFO] [stderr] note: this expression can be directly returned
[INFO] [stderr]   --> src/day_10/mod.rs:41:20
[INFO] [stderr]    |
[INFO] [stderr] 41 |       let particle = Particle {
[INFO] [stderr]    |  ____________________^
[INFO] [stderr] 42 | |         x: captures
[INFO] [stderr] 43 | |             .get(1)
[INFO] [stderr] 44 | |             .unwrap()
[INFO] [stderr] ...  |
[INFO] [stderr] 69 | |             .unwrap(),
[INFO] [stderr] 70 | |     };
[INFO] [stderr]    | |_____^
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#let_and_return
[INFO] [stderr] 
[INFO] [stderr] warning: long literal lacking separators
[INFO] [stderr]   --> src/day_10/mod.rs:85:18
[INFO] [stderr]    |
[INFO] [stderr] 85 |     while tick < 100000 {
[INFO] [stderr]    |                  ^^^^^^ help: consider: `100_000`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(clippy::unreadable_literal)] on by default
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#unreadable_literal
[INFO] [stderr] 
[INFO] [stderr] warning: long literal lacking separators
[INFO] [stderr]    --> src/day_10/mod.rs:147:18
[INFO] [stderr]     |
[INFO] [stderr] 147 |     while tick < 100000 {
[INFO] [stderr]     |                  ^^^^^^ help: consider: `100_000`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#unreadable_literal
[INFO] [stderr] 
[INFO] [stderr] warning: returning the result of a let binding from a block. Consider returning the expression directly.
[INFO] [stderr]  --> src/day_11/mod.rs:4:5
[INFO] [stderr]   |
[INFO] [stderr] 4 |     power
[INFO] [stderr]   |     ^^^^^
[INFO] [stderr]   |
[INFO] [stderr] note: this expression can be directly returned
[INFO] [stderr]  --> src/day_11/mod.rs:3:17
[INFO] [stderr]   |
[INFO] [stderr] 3 |     let power = ((rack_id * y + serial) * rack_id / 100) % 10 - 5;
[INFO] [stderr]   |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]   = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#let_and_return
[INFO] [stderr] 
[INFO] [stderr] warning: returning the result of a let binding from a block. Consider returning the expression directly.
[INFO] [stderr]   --> src/day_10/mod.rs:72:5
[INFO] [stderr]    |
[INFO] [stderr] 72 |     particle
[INFO] [stderr]    |     ^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(clippy::let_and_return)] on by default
[INFO] [stderr] note: this expression can be directly returned
[INFO] [stderr]   --> src/day_10/mod.rs:41:20
[INFO] [stderr]    |
[INFO] [stderr] 41 |       let particle = Particle {
[INFO] [stderr]    |  ____________________^
[INFO] [stderr] 42 | |         x: captures
[INFO] [stderr] 43 | |             .get(1)
[INFO] [stderr] 44 | |             .unwrap()
[INFO] [stderr] ...  |
[INFO] [stderr] 69 | |             .unwrap(),
[INFO] [stderr] 70 | |     };
[INFO] [stderr]    | |_____^
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#let_and_return
[INFO] [stderr] 
[INFO] [stderr] warning: long literal lacking separators
[INFO] [stderr]   --> src/day_10/mod.rs:85:18
[INFO] [stderr]    |
[INFO] [stderr] 85 |     while tick < 100000 {
[INFO] [stderr]    |                  ^^^^^^ help: consider: `100_000`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(clippy::unreadable_literal)] on by default
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#unreadable_literal
[INFO] [stderr] 
[INFO] [stderr] warning: long literal lacking separators
[INFO] [stderr]    --> src/day_10/mod.rs:147:18
[INFO] [stderr]     |
[INFO] [stderr] 147 |     while tick < 100000 {
[INFO] [stderr]     |                  ^^^^^^ help: consider: `100_000`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#unreadable_literal
[INFO] [stderr] 
[INFO] [stderr] warning: returning the result of a let binding from a block. Consider returning the expression directly.
[INFO] [stderr]  --> src/day_11/mod.rs:4:5
[INFO] [stderr]   |
[INFO] [stderr] 4 |     power
[INFO] [stderr]   |     ^^^^^
[INFO] [stderr]   |
[INFO] [stderr] note: this expression can be directly returned
[INFO] [stderr]  --> src/day_11/mod.rs:3:17
[INFO] [stderr]   |
[INFO] [stderr] 3 |     let power = ((rack_id * y + serial) * rack_id / 100) % 10 - 5;
[INFO] [stderr]   |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]   = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#let_and_return
[INFO] [stderr] 
[INFO] [stderr] warning: variable `total_plants` is assigned to, but never used
[INFO] [stderr]   --> src/day_12/mod.rs:37:13
[INFO] [stderr]    |
[INFO] [stderr] 37 |     let mut total_plants = initial_state.clone().filter(|c| *c == PLANT).count();
[INFO] [stderr]    |             ^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(unused_variables)] on by default
[INFO] [stderr]    = note: consider using `_total_plants` instead
[INFO] [stderr] 
[INFO] [stderr] warning: this .into_iter() call is equivalent to .iter() and will not move the slice
[INFO] [stderr]    --> src/day_10/mod.rs:123:47
[INFO] [stderr]     |
[INFO] [stderr] 123 |                 let _ = term.write_line(&line.into_iter().collect::<String>());
[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: manual implementation of an assign operation
[INFO] [stderr]    --> src/day_10/mod.rs:131:13
[INFO] [stderr]     |
[INFO] [stderr] 131 |             particle.x = particle.x + particle.dx;
[INFO] [stderr]     |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: replace it with: `particle.x += particle.dx`
[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/day_10/mod.rs:132:13
[INFO] [stderr]     |
[INFO] [stderr] 132 |             particle.y = particle.y + particle.dy;
[INFO] [stderr]     |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: replace it with: `particle.y += particle.dy`
[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: this .into_iter() call is equivalent to .iter() and will not move the slice
[INFO] [stderr]    --> src/day_10/mod.rs:187:47
[INFO] [stderr]     |
[INFO] [stderr] 187 |                 let _ = term.write_line(&line.into_iter().collect::<String>());
[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: manual implementation of an assign operation
[INFO] [stderr]    --> src/day_10/mod.rs:195:13
[INFO] [stderr]     |
[INFO] [stderr] 195 |             particle.x = particle.x + particle.dx;
[INFO] [stderr]     |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: replace it with: `particle.x += particle.dx`
[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/day_10/mod.rs:196:13
[INFO] [stderr]     |
[INFO] [stderr] 196 |             particle.y = particle.y + particle.dy;
[INFO] [stderr]     |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: replace it with: `particle.y += particle.dy`
[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: the loop variable `i` is used to index `last_state`
[INFO] [stderr]   --> src/day_12/mod.rs:57:14
[INFO] [stderr]    |
[INFO] [stderr] 57 |     for i in 0..last_state.len() {
[INFO] [stderr]    |              ^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(clippy::needless_range_loop)] on by default
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_range_loop
[INFO] [stderr] help: consider using an iterator
[INFO] [stderr]    |
[INFO] [stderr] 57 |     for (i, <item>) in last_state.iter().enumerate() {
[INFO] [stderr]    |         ^^^^^^^^^^^    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: the loop variable `i` is used to index `last_state`
[INFO] [stderr]    --> src/day_12/mod.rs:107:14
[INFO] [stderr]     |
[INFO] [stderr] 107 |     for i in 0..last_state.len() {
[INFO] [stderr]     |              ^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_range_loop
[INFO] [stderr] help: consider using an iterator
[INFO] [stderr]     |
[INFO] [stderr] 107 |     for (i, <item>) in last_state.iter().enumerate() {
[INFO] [stderr]     |         ^^^^^^^^^^^    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: this .into_iter() call is equivalent to .iter_mut() and will not move the Vec
[INFO] [stderr]   --> src/day_7/mod.rs:62:18
[INFO] [stderr]    |
[INFO] [stderr] 62 |                 .into_iter()
[INFO] [stderr]    |                  ^^^^^^^^^ help: call directly: `iter_mut`
[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_mut() and will not move the Vec
[INFO] [stderr]    --> src/day_7/mod.rs:136:30
[INFO] [stderr]     |
[INFO] [stderr] 136 |                             .into_iter()
[INFO] [stderr]     |                              ^^^^^^^^^ help: call directly: `iter_mut`
[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: manual implementation of an assign operation
[INFO] [stderr]   --> src/day_9/mod.rs:26:13
[INFO] [stderr]    |
[INFO] [stderr] 26 |             current_marble = current_marble + 2;
[INFO] [stderr]    |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: replace it with: `current_marble += 2`
[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/day_9/mod.rs:28:17
[INFO] [stderr]    |
[INFO] [stderr] 28 |                 current_marble = current_marble % marbles.len();
[INFO] [stderr]    |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: replace it with: `current_marble %= marbles.len()`
[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/day_9/mod.rs:83:13
[INFO] [stderr]    |
[INFO] [stderr] 83 |             current_marble = current_marble + 2;
[INFO] [stderr]    |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: replace it with: `current_marble += 2`
[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/day_9/mod.rs:85:17
[INFO] [stderr]    |
[INFO] [stderr] 85 |                 current_marble = current_marble % marbles.len();
[INFO] [stderr]    |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: replace it with: `current_marble %= marbles.len()`
[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: variable `total_plants` is assigned to, but never used
[INFO] [stderr]   --> src/day_12/mod.rs:37:13
[INFO] [stderr]    |
[INFO] [stderr] 37 |     let mut total_plants = initial_state.clone().filter(|c| *c == PLANT).count();
[INFO] [stderr]    |             ^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(unused_variables)] on by default
[INFO] [stderr]    = note: consider using `_total_plants` instead
[INFO] [stderr] 
[INFO] [stderr] warning: this .into_iter() call is equivalent to .iter() and will not move the slice
[INFO] [stderr]    --> src/day_10/mod.rs:123:47
[INFO] [stderr]     |
[INFO] [stderr] 123 |                 let _ = term.write_line(&line.into_iter().collect::<String>());
[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: manual implementation of an assign operation
[INFO] [stderr]    --> src/day_10/mod.rs:131:13
[INFO] [stderr]     |
[INFO] [stderr] 131 |             particle.x = particle.x + particle.dx;
[INFO] [stderr]     |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: replace it with: `particle.x += particle.dx`
[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/day_10/mod.rs:132:13
[INFO] [stderr]     |
[INFO] [stderr] 132 |             particle.y = particle.y + particle.dy;
[INFO] [stderr]     |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: replace it with: `particle.y += particle.dy`
[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: this .into_iter() call is equivalent to .iter() and will not move the slice
[INFO] [stderr]    --> src/day_10/mod.rs:187:47
[INFO] [stderr]     |
[INFO] [stderr] 187 |                 let _ = term.write_line(&line.into_iter().collect::<String>());
[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: manual implementation of an assign operation
[INFO] [stderr]    --> src/day_10/mod.rs:195:13
[INFO] [stderr]     |
[INFO] [stderr] 195 |             particle.x = particle.x + particle.dx;
[INFO] [stderr]     |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: replace it with: `particle.x += particle.dx`
[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/day_10/mod.rs:196:13
[INFO] [stderr]     |
[INFO] [stderr] 196 |             particle.y = particle.y + particle.dy;
[INFO] [stderr]     |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: replace it with: `particle.y += particle.dy`
[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: the loop variable `i` is used to index `last_state`
[INFO] [stderr]   --> src/day_12/mod.rs:57:14
[INFO] [stderr]    |
[INFO] [stderr] 57 |     for i in 0..last_state.len() {
[INFO] [stderr]    |              ^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(clippy::needless_range_loop)] on by default
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_range_loop
[INFO] [stderr] help: consider using an iterator
[INFO] [stderr]    |
[INFO] [stderr] 57 |     for (i, <item>) in last_state.iter().enumerate() {
[INFO] [stderr]    |         ^^^^^^^^^^^    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: the loop variable `i` is used to index `last_state`
[INFO] [stderr]    --> src/day_12/mod.rs:107:14
[INFO] [stderr]     |
[INFO] [stderr] 107 |     for i in 0..last_state.len() {
[INFO] [stderr]     |              ^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_range_loop
[INFO] [stderr] help: consider using an iterator
[INFO] [stderr]     |
[INFO] [stderr] 107 |     for (i, <item>) in last_state.iter().enumerate() {
[INFO] [stderr]     |         ^^^^^^^^^^^    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: this .into_iter() call is equivalent to .iter_mut() and will not move the Vec
[INFO] [stderr]   --> src/day_7/mod.rs:62:18
[INFO] [stderr]    |
[INFO] [stderr] 62 |                 .into_iter()
[INFO] [stderr]    |                  ^^^^^^^^^ help: call directly: `iter_mut`
[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_mut() and will not move the Vec
[INFO] [stderr]    --> src/day_7/mod.rs:136:30
[INFO] [stderr]     |
[INFO] [stderr] 136 |                             .into_iter()
[INFO] [stderr]     |                              ^^^^^^^^^ help: call directly: `iter_mut`
[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: manual implementation of an assign operation
[INFO] [stderr]   --> src/day_9/mod.rs:26:13
[INFO] [stderr]    |
[INFO] [stderr] 26 |             current_marble = current_marble + 2;
[INFO] [stderr]    |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: replace it with: `current_marble += 2`
[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/day_9/mod.rs:28:17
[INFO] [stderr]    |
[INFO] [stderr] 28 |                 current_marble = current_marble % marbles.len();
[INFO] [stderr]    |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: replace it with: `current_marble %= marbles.len()`
[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/day_9/mod.rs:83:13
[INFO] [stderr]    |
[INFO] [stderr] 83 |             current_marble = current_marble + 2;
[INFO] [stderr]    |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: replace it with: `current_marble += 2`
[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/day_9/mod.rs:85:17
[INFO] [stderr]    |
[INFO] [stderr] 85 |                 current_marble = current_marble % marbles.len();
[INFO] [stderr]    |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: replace it with: `current_marble %= marbles.len()`
[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]     Finished dev [unoptimized + debuginfo] target(s) in 14.09s
[INFO] running `"docker" "inspect" "92052c1b691fd816d1a55d613933295cc96a48a7a6f8b57fd5507487076cb758"`
[INFO] running `"docker" "rm" "-f" "92052c1b691fd816d1a55d613933295cc96a48a7a6f8b57fd5507487076cb758"`
[INFO] [stdout] 92052c1b691fd816d1a55d613933295cc96a48a7a6f8b57fd5507487076cb758