[INFO] updating cached repository willsalz/graphlib
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/willsalz/graphlib
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/willsalz/graphlib" "work/ex/clippy-test-run/sources/stable/gh/willsalz/graphlib"`
[INFO] [stderr] Cloning into 'work/ex/clippy-test-run/sources/stable/gh/willsalz/graphlib'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/willsalz/graphlib" "work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/gh/willsalz/graphlib"`
[INFO] [stderr] Cloning into 'work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/gh/willsalz/graphlib'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 425c6f8a009a392566666e2caa0be1d455dfb4a0
[INFO] sha for GitHub repo willsalz/graphlib: 425c6f8a009a392566666e2caa0be1d455dfb4a0
[INFO] validating manifest of willsalz/graphlib 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 willsalz/graphlib 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 willsalz/graphlib
[INFO] finished frobbing willsalz/graphlib
[INFO] frobbed toml for willsalz/graphlib written to work/ex/clippy-test-run/sources/stable/gh/willsalz/graphlib/Cargo.toml
[INFO] started frobbing willsalz/graphlib
[INFO] finished frobbing willsalz/graphlib
[INFO] frobbed toml for willsalz/graphlib written to work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/gh/willsalz/graphlib/Cargo.toml
[INFO] crate willsalz/graphlib 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 willsalz/graphlib against stable for clippy-test-run
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/clippy-test-run/worker-4/stable:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/clippy-test-run/sources/stable/gh/willsalz/graphlib:/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] cd51df4a0fd4537d6a00f92ded716ac2c3d6e7b8140d954b5d7154dfeca7aee3
[INFO] running `"docker" "start" "-a" "cd51df4a0fd4537d6a00f92ded716ac2c3d6e7b8140d954b5d7154dfeca7aee3"`
[INFO] [stderr]     Checking memchr v0.1.11
[INFO] [stderr]     Checking thread-id v2.0.0
[INFO] [stderr]     Checking thread_local v0.2.7
[INFO] [stderr]     Checking aho-corasick v0.5.3
[INFO] [stderr]     Checking regex v0.1.80
[INFO] [stderr]     Checking env_logger v0.3.5
[INFO] [stderr]     Checking graphlib v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: you should consider deriving a `Default` implementation for `Path`
[INFO] [stderr]   --> src/lib.rs:34:5
[INFO] [stderr]    |
[INFO] [stderr] 34 | /     pub fn new() -> Path {
[INFO] [stderr] 35 | |         Path {
[INFO] [stderr] 36 | |             // Initialize empty path
[INFO] [stderr] 37 | |             path: VecDeque::new(),
[INFO] [stderr] ...  |
[INFO] [stderr] 41 | |         }
[INFO] [stderr] 42 | |     }
[INFO] [stderr]    | |_____^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(clippy::new_without_default_derive)] on by default
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#new_without_default_derive
[INFO] [stderr] help: try this
[INFO] [stderr]    |
[INFO] [stderr] 16 | #[derive(Default)]
[INFO] [stderr]    |
[INFO] [stderr] 
[INFO] [stderr] warning: you should consider deriving a `Default` implementation for `Graph`
[INFO] [stderr]   --> src/lib.rs:46:5
[INFO] [stderr]    |
[INFO] [stderr] 46 | /     pub fn new() -> Graph {
[INFO] [stderr] 47 | |         Graph { edges: HashMap::new() }
[INFO] [stderr] 48 | |     }
[INFO] [stderr]    | |_____^
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#new_without_default_derive
[INFO] [stderr] help: try this
[INFO] [stderr]    |
[INFO] [stderr] 11 | #[derive(Default)]
[INFO] [stderr]    |
[INFO] [stderr] 
[INFO] [stderr] warning: use of `or_insert` followed by a function call
[INFO] [stderr]   --> src/lib.rs:53:14
[INFO] [stderr]    |
[INFO] [stderr] 53 |             .or_insert(HashMap::new())
[INFO] [stderr]    |              ^^^^^^^^^^^^^^^^^^^^^^^^^ help: try this: `or_insert_with(HashMap::new)`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(clippy::or_fun_call)] on by default
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#or_fun_call
[INFO] [stderr] 
[INFO] [stderr] warning: you should consider deriving a `Default` implementation for `Path`
[INFO] [stderr]   --> src/lib.rs:34:5
[INFO] [stderr]    |
[INFO] [stderr] 34 | /     pub fn new() -> Path {
[INFO] [stderr] 35 | |         Path {
[INFO] [stderr] 36 | |             // Initialize empty path
[INFO] [stderr] 37 | |             path: VecDeque::new(),
[INFO] [stderr] ...  |
[INFO] [stderr] 41 | |         }
[INFO] [stderr] 42 | |     }
[INFO] [stderr]    | |_____^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(clippy::new_without_default_derive)] on by default
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#new_without_default_derive
[INFO] [stderr] help: try this
[INFO] [stderr]    |
[INFO] [stderr] 16 | #[derive(Default)]
[INFO] [stderr]    |
[INFO] [stderr] 
[INFO] [stderr] warning: you should consider deriving a `Default` implementation for `Graph`
[INFO] [stderr]   --> src/lib.rs:46:5
[INFO] [stderr]    |
[INFO] [stderr] 46 | /     pub fn new() -> Graph {
[INFO] [stderr] 47 | |         Graph { edges: HashMap::new() }
[INFO] [stderr] 48 | |     }
[INFO] [stderr]    | |_____^
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#new_without_default_derive
[INFO] [stderr] help: try this
[INFO] [stderr]    |
[INFO] [stderr] 11 | #[derive(Default)]
[INFO] [stderr]    |
[INFO] [stderr] 
[INFO] [stderr] warning: use of `or_insert` followed by a function call
[INFO] [stderr]   --> src/lib.rs:53:14
[INFO] [stderr]    |
[INFO] [stderr] 53 |             .or_insert(HashMap::new())
[INFO] [stderr]    |              ^^^^^^^^^^^^^^^^^^^^^^^^^ help: try this: `or_insert_with(HashMap::new)`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(clippy::or_fun_call)] on by default
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#or_fun_call
[INFO] [stderr] 
[INFO] [stderr] warning: called `.get().unwrap()` on a HashMap. Using `[]` is more clear and more concise
[INFO] [stderr]    --> src/lib.rs:159:33
[INFO] [stderr]     |
[INFO] [stderr] 159 |                 let neighbors = self.edges.get(&current_node).unwrap();
[INFO] [stderr]     |                                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: try this: `&self.edges[&current_node]`
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(clippy::get_unwrap)] on by default
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#get_unwrap
[INFO] [stderr] 
[INFO] [stderr] warning: called `.get().unwrap()` on a HashMap. Using `[]` is more clear and more concise
[INFO] [stderr]    --> src/lib.rs:159:33
[INFO] [stderr]     |
[INFO] [stderr] 159 |                 let neighbors = self.edges.get(&current_node).unwrap();
[INFO] [stderr]     |                                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: try this: `&self.edges[&current_node]`
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(clippy::get_unwrap)] on by default
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#get_unwrap
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 5.77s
[INFO] running `"docker" "inspect" "cd51df4a0fd4537d6a00f92ded716ac2c3d6e7b8140d954b5d7154dfeca7aee3"`
[INFO] running `"docker" "rm" "-f" "cd51df4a0fd4537d6a00f92ded716ac2c3d6e7b8140d954b5d7154dfeca7aee3"`
[INFO] [stdout] cd51df4a0fd4537d6a00f92ded716ac2c3d6e7b8140d954b5d7154dfeca7aee3