[INFO] updating cached repository LoganxDev/ShortestPathFinder
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/LoganxDev/ShortestPathFinder
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/LoganxDev/ShortestPathFinder" "work/ex/clippy-test-run/sources/stable/gh/LoganxDev/ShortestPathFinder"`
[INFO] [stderr] Cloning into 'work/ex/clippy-test-run/sources/stable/gh/LoganxDev/ShortestPathFinder'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/LoganxDev/ShortestPathFinder" "work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/gh/LoganxDev/ShortestPathFinder"`
[INFO] [stderr] Cloning into 'work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/gh/LoganxDev/ShortestPathFinder'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 49b53e6d331263e5ce8a1bb0f2af3c68430fa9f9
[INFO] sha for GitHub repo LoganxDev/ShortestPathFinder: 49b53e6d331263e5ce8a1bb0f2af3c68430fa9f9
[INFO] validating manifest of LoganxDev/ShortestPathFinder 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 LoganxDev/ShortestPathFinder 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 LoganxDev/ShortestPathFinder
[INFO] finished frobbing LoganxDev/ShortestPathFinder
[INFO] frobbed toml for LoganxDev/ShortestPathFinder written to work/ex/clippy-test-run/sources/stable/gh/LoganxDev/ShortestPathFinder/Cargo.toml
[INFO] started frobbing LoganxDev/ShortestPathFinder
[INFO] finished frobbing LoganxDev/ShortestPathFinder
[INFO] frobbed toml for LoganxDev/ShortestPathFinder written to work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/gh/LoganxDev/ShortestPathFinder/Cargo.toml
[INFO] crate LoganxDev/ShortestPathFinder 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 LoganxDev/ShortestPathFinder 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/LoganxDev/ShortestPathFinder:/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] 5315231e35e9a9c41a5482c81a8a6ff7f49ff29e650ac19136be3527c42112ae
[INFO] running `"docker" "start" "-a" "5315231e35e9a9c41a5482c81a8a6ff7f49ff29e650ac19136be3527c42112ae"`
[INFO] [stderr]     Checking fnv v1.0.6
[INFO] [stderr]     Checking cs560 v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: unnecessary parentheses around method argument
[INFO] [stderr]    --> src/main.rs:135:41
[INFO] [stderr]     |
[INFO] [stderr] 135 |                 shortest_distance.insert(*neighbor, (x.0 + cost));
[INFO] [stderr]     |                                                     ^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(unused_parens)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around method argument
[INFO] [stderr]    --> src/main.rs:135:41
[INFO] [stderr]     |
[INFO] [stderr] 135 |                 shortest_distance.insert(*neighbor, (x.0 + cost));
[INFO] [stderr]     |                                                     ^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(unused_parens)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: casting u32 to u64 may become silently lossy if types change
[INFO] [stderr]   --> src/main.rs:32:44
[INFO] [stderr]    |
[INFO] [stderr] 32 |              (elapsed.as_secs() * 1_000) + (elapsed.subsec_nanos() / 1_000_000) as u64);
[INFO] [stderr]    |                                            ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: try: `u64::from(elapsed.subsec_nanos() / 1_000_000)`
[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: Calling `subsec_millis()` is more concise than this calculation
[INFO] [stderr]   --> src/main.rs:32:44
[INFO] [stderr]    |
[INFO] [stderr] 32 |              (elapsed.as_secs() * 1_000) + (elapsed.subsec_nanos() / 1_000_000) as u64);
[INFO] [stderr]    |                                            ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: try: `elapsed.subsec_millis()`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(clippy::duration_subsec)] on by default
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#duration_subsec
[INFO] [stderr] 
[INFO] [stderr] warning: single-character string constant used as pattern
[INFO] [stderr]   --> src/main.rs:45:33
[INFO] [stderr]    |
[INFO] [stderr] 45 |         let mut split = s.split(" ");
[INFO] [stderr]    |                                 ^^^ help: try using a char instead: `' '`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(clippy::single_char_pattern)] on by default
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#single_char_pattern
[INFO] [stderr] 
[INFO] [stderr] warning: writing `&Vec<_>` instead of `&[_]` involves one more reference and cannot be used with non-Vec-based slices.
[INFO] [stderr]   --> src/main.rs:57:25
[INFO] [stderr]    |
[INFO] [stderr] 57 | fn set_neighbors(nodes: &Vec<(i32, i32)>) -> FnvHashMap<i32, Vec<i32>> {
[INFO] [stderr]    |                         ^^^^^^^^^^^^^^^^ help: change this to: `&[(i32, i32)]`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(clippy::ptr_arg)] on by default
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#ptr_arg
[INFO] [stderr] 
[INFO] [stderr] warning: you seem to want to iterate on a map's keys
[INFO] [stderr]    --> src/main.rs:100:17
[INFO] [stderr]     |
[INFO] [stderr] 100 |     for (k, _v) in &graph {
[INFO] [stderr]     |                    ^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(clippy::for_kv_map)] on by default
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#for_kv_map
[INFO] [stderr] help: use the corresponding method
[INFO] [stderr]     |
[INFO] [stderr] 100 |     for k in graph.keys() {
[INFO] [stderr]     |         ^    ^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: manual implementation of an assign operation
[INFO] [stderr]    --> src/main.rs:115:5
[INFO] [stderr]     |
[INFO] [stderr] 115 |                 i = i + 1;
[INFO] [stderr]     |                 ^^^^^^^^^ help: replace it with: `i += 1`
[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: casting u32 to u64 may become silently lossy if types change
[INFO] [stderr]   --> src/main.rs:32:44
[INFO] [stderr]    |
[INFO] [stderr] 32 |              (elapsed.as_secs() * 1_000) + (elapsed.subsec_nanos() / 1_000_000) as u64);
[INFO] [stderr]    |                                            ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: try: `u64::from(elapsed.subsec_nanos() / 1_000_000)`
[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: Calling `subsec_millis()` is more concise than this calculation
[INFO] [stderr]   --> src/main.rs:32:44
[INFO] [stderr]    |
[INFO] [stderr] 32 |              (elapsed.as_secs() * 1_000) + (elapsed.subsec_nanos() / 1_000_000) as u64);
[INFO] [stderr]    |                                            ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: try: `elapsed.subsec_millis()`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(clippy::duration_subsec)] on by default
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#duration_subsec
[INFO] [stderr] 
[INFO] [stderr] warning: single-character string constant used as pattern
[INFO] [stderr]   --> src/main.rs:45:33
[INFO] [stderr]    |
[INFO] [stderr] 45 |         let mut split = s.split(" ");
[INFO] [stderr]    |                                 ^^^ help: try using a char instead: `' '`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(clippy::single_char_pattern)] on by default
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#single_char_pattern
[INFO] [stderr] 
[INFO] [stderr] warning: writing `&Vec<_>` instead of `&[_]` involves one more reference and cannot be used with non-Vec-based slices.
[INFO] [stderr]   --> src/main.rs:57:25
[INFO] [stderr]    |
[INFO] [stderr] 57 | fn set_neighbors(nodes: &Vec<(i32, i32)>) -> FnvHashMap<i32, Vec<i32>> {
[INFO] [stderr]    |                         ^^^^^^^^^^^^^^^^ help: change this to: `&[(i32, i32)]`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(clippy::ptr_arg)] on by default
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#ptr_arg
[INFO] [stderr] 
[INFO] [stderr] warning: you seem to want to iterate on a map's keys
[INFO] [stderr]    --> src/main.rs:100:17
[INFO] [stderr]     |
[INFO] [stderr] 100 |     for (k, _v) in &graph {
[INFO] [stderr]     |                    ^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(clippy::for_kv_map)] on by default
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#for_kv_map
[INFO] [stderr] help: use the corresponding method
[INFO] [stderr]     |
[INFO] [stderr] 100 |     for k in graph.keys() {
[INFO] [stderr]     |         ^    ^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: manual implementation of an assign operation
[INFO] [stderr]    --> src/main.rs:115:5
[INFO] [stderr]     |
[INFO] [stderr] 115 |                 i = i + 1;
[INFO] [stderr]     |                 ^^^^^^^^^ help: replace it with: `i += 1`
[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]     Finished dev [optimized + debuginfo] target(s) in 1.60s
[INFO] running `"docker" "inspect" "5315231e35e9a9c41a5482c81a8a6ff7f49ff29e650ac19136be3527c42112ae"`
[INFO] running `"docker" "rm" "-f" "5315231e35e9a9c41a5482c81a8a6ff7f49ff29e650ac19136be3527c42112ae"`
[INFO] [stdout] 5315231e35e9a9c41a5482c81a8a6ff7f49ff29e650ac19136be3527c42112ae