[INFO] crate solvent 0.8.1 is already in cache
[INFO] extracting crate solvent 0.8.1 into work/ex/clippy-test-run/sources/stable/reg/solvent/0.8.1
[INFO] extracting crate solvent 0.8.1 into work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/reg/solvent/0.8.1
[INFO] validating manifest of solvent-0.8.1 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 solvent-0.8.1 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 solvent-0.8.1
[INFO] finished frobbing solvent-0.8.1
[INFO] frobbed toml for solvent-0.8.1 written to work/ex/clippy-test-run/sources/stable/reg/solvent/0.8.1/Cargo.toml
[INFO] started frobbing solvent-0.8.1
[INFO] finished frobbing solvent-0.8.1
[INFO] frobbed toml for solvent-0.8.1 written to work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/reg/solvent/0.8.1/Cargo.toml
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+stable" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+stable" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[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 solvent-0.8.1 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/reg/solvent/0.8.1:/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] fe3a6aad2b2486871e9799a2e690997d64325d7981686fc45a2bc402cd7300ac
[INFO] running `"docker" "start" "-a" "fe3a6aad2b2486871e9799a2e690997d64325d7981686fc45a2bc402cd7300ac"`
[INFO] [stderr]     Checking solvent v0.8.1 (/opt/crater/workdir)
[INFO] [stderr] warning: you should consider deriving a `Default` implementation for `DepGraph<T>`
[INFO] [stderr]   --> src/lib.rs:84:5
[INFO] [stderr]    |
[INFO] [stderr] 84 | /     pub fn new() -> DepGraph<T> {
[INFO] [stderr] 85 | |         DepGraph {
[INFO] [stderr] 86 | |             nodes: Vec::new(),
[INFO] [stderr] 87 | |             dependencies: HashMap::new(),
[INFO] [stderr] 88 | |             satisfied: HashSet::new(),
[INFO] [stderr] 89 | |         }
[INFO] [stderr] 90 | |     }
[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] 68 | #[derive(Default)]
[INFO] [stderr]    |
[INFO] [stderr] 
[INFO] [stderr] warning: you should consider deriving a `Default` implementation for `DepGraph<T>`
[INFO] [stderr]   --> src/lib.rs:84:5
[INFO] [stderr]    |
[INFO] [stderr] 84 | /     pub fn new() -> DepGraph<T> {
[INFO] [stderr] 85 | |         DepGraph {
[INFO] [stderr] 86 | |             nodes: Vec::new(),
[INFO] [stderr] 87 | |             dependencies: HashMap::new(),
[INFO] [stderr] 88 | |             satisfied: HashSet::new(),
[INFO] [stderr] 89 | |         }
[INFO] [stderr] 90 | |     }
[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] 68 | #[derive(Default)]
[INFO] [stderr]    |
[INFO] [stderr] 
[INFO] [stderr] error: using `clone` on a double-reference; this will copy the reference instead of cloning the inner type
[INFO] [stderr]    --> src/lib.rs:324:26
[INFO] [stderr]     |
[INFO] [stderr] 324 |             results.push(n.clone());
[INFO] [stderr]     |                          ^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[deny(clippy::clone_double_ref)] on by default
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#clone_double_ref
[INFO] [stderr] help: try dereferencing it
[INFO] [stderr]     |
[INFO] [stderr] 324 |             results.push(&(*n).clone());
[INFO] [stderr]     |                          ^^^^^^^^^^^^^
[INFO] [stderr] help: or try being explicit about what type to clone
[INFO] [stderr]     |
[INFO] [stderr] 324 |             results.push(&str::clone(n));
[INFO] [stderr]     |                          ^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: manual implementation of an assign operation
[INFO] [stderr]    --> src/lib.rs:334:40
[INFO] [stderr]     |
[INFO] [stderr] 334 |                 if result == result2 { count = count + 1; }
[INFO] [stderr]     |                                        ^^^^^^^^^^^^^^^^^ help: replace it with: `count += 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: called `.get().unwrap()` on a HashMap. Using `[]` is more clear and more concise
[INFO] [stderr]    --> src/lib.rs:346:17
[INFO] [stderr]     |
[INFO] [stderr] 346 |         assert!(depgraph.dependencies.get(&0).unwrap().contains(&1));
[INFO] [stderr]     |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: try this: `&depgraph.dependencies[&0]`
[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:347:17
[INFO] [stderr]     |
[INFO] [stderr] 347 |         assert!(depgraph.dependencies.get(&0).unwrap().contains(&2));
[INFO] [stderr]     |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: try this: `&depgraph.dependencies[&0]`
[INFO] [stderr]     |
[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:348:17
[INFO] [stderr]     |
[INFO] [stderr] 348 |         assert!(depgraph.dependencies.get(&0).unwrap().contains(&3));
[INFO] [stderr]     |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: try this: `&depgraph.dependencies[&0]`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#get_unwrap
[INFO] [stderr] 
[INFO] [stderr] warning: manual implementation of an assign operation
[INFO] [stderr]    --> src/lib.rs:405:40
[INFO] [stderr]     |
[INFO] [stderr] 405 |                 if result == result2 { count = count + 1; }
[INFO] [stderr]     |                                        ^^^^^^^^^^^^^^^^^ help: replace it with: `count += 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] error: aborting due to previous error
[INFO] [stderr] 
[INFO] [stderr] error: Could not compile `solvent`.
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] running `"docker" "inspect" "fe3a6aad2b2486871e9799a2e690997d64325d7981686fc45a2bc402cd7300ac"`
[INFO] running `"docker" "rm" "-f" "fe3a6aad2b2486871e9799a2e690997d64325d7981686fc45a2bc402cd7300ac"`
[INFO] [stdout] fe3a6aad2b2486871e9799a2e690997d64325d7981686fc45a2bc402cd7300ac