[INFO] updating cached repository Enapiuz/Ganges
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/Enapiuz/Ganges
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/Enapiuz/Ganges" "work/ex/clippy-test-run/sources/stable/gh/Enapiuz/Ganges"`
[INFO] [stderr] Cloning into 'work/ex/clippy-test-run/sources/stable/gh/Enapiuz/Ganges'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/Enapiuz/Ganges" "work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/gh/Enapiuz/Ganges"`
[INFO] [stderr] Cloning into 'work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/gh/Enapiuz/Ganges'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] e6b1bfc3da4e2203fdf5e3d02a40225cbbb1b41e
[INFO] sha for GitHub repo Enapiuz/Ganges: e6b1bfc3da4e2203fdf5e3d02a40225cbbb1b41e
[INFO] validating manifest of Enapiuz/Ganges 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 Enapiuz/Ganges 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 Enapiuz/Ganges
[INFO] finished frobbing Enapiuz/Ganges
[INFO] frobbed toml for Enapiuz/Ganges written to work/ex/clippy-test-run/sources/stable/gh/Enapiuz/Ganges/Cargo.toml
[INFO] started frobbing Enapiuz/Ganges
[INFO] finished frobbing Enapiuz/Ganges
[INFO] frobbed toml for Enapiuz/Ganges written to work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/gh/Enapiuz/Ganges/Cargo.toml
[INFO] crate Enapiuz/Ganges 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 Enapiuz/Ganges 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/Enapiuz/Ganges:/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] 506ed757ff2bf8ba6722be7230c6c418242ba732a899306d32aaf99d50963e7a
[INFO] running `"docker" "start" "-a" "506ed757ff2bf8ba6722be7230c6c418242ba732a899306d32aaf99d50963e7a"`
[INFO] [stderr]     Checking linked-hash-map v0.4.1
[INFO] [stderr]     Checking hostname v0.1.3
[INFO] [stderr]    Compiling rust-crypto v0.2.36
[INFO] [stderr]     Checking textnonce v0.4.1
[INFO] [stderr]     Checking chrono v0.2.25
[INFO] [stderr]     Checking iron v0.5.1
[INFO] [stderr]     Checking semver-parser v0.6.2
[INFO] [stderr]     Checking serde_json v0.9.9
[INFO] [stderr]     Checking semver v0.5.1
[INFO] [stderr]     Checking bson v0.4.4
[INFO] [stderr]     Checking mongodb v0.2.3
[INFO] [stderr]     Checking ganges v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: unneeded return statement
[INFO] [stderr]   --> src/keeper/registry.rs:23:9
[INFO] [stderr]    |
[INFO] [stderr] 23 |         return Result::Ok(());
[INFO] [stderr]    |         ^^^^^^^^^^^^^^^^^^^^^^ help: remove `return` as shown: `Result::Ok(())`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(clippy::needless_return)] on by default
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_return
[INFO] [stderr] 
[INFO] [stderr] warning: unneeded return statement
[INFO] [stderr]   --> src/keeper/registry.rs:37:9
[INFO] [stderr]    |
[INFO] [stderr] 37 |         return Result::Ok(());
[INFO] [stderr]    |         ^^^^^^^^^^^^^^^^^^^^^^ help: remove `return` as shown: `Result::Ok(())`
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_return
[INFO] [stderr] 
[INFO] [stderr] warning: unneeded return statement
[INFO] [stderr]   --> src/keeper/registry.rs:45:9
[INFO] [stderr]    |
[INFO] [stderr] 45 |         return Vec::new();
[INFO] [stderr]    |         ^^^^^^^^^^^^^^^^^^ help: remove `return` as shown: `Vec::new()`
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_return
[INFO] [stderr] 
[INFO] [stderr] warning: field is never used: `subscribers`
[INFO] [stderr]  --> src/keeper/registry.rs:5:5
[INFO] [stderr]   |
[INFO] [stderr] 5 |     subscribers: HashMap<String, RefCell<Vec<String>>>
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: #[warn(dead_code)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `subscribe`
[INFO] [stderr]   --> src/keeper/registry.rs:13:5
[INFO] [stderr]    |
[INFO] [stderr] 13 |     pub fn subscribe(&mut self, event_name: String, target_url: String) -> Result<(), &str> {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `unsubscribe`
[INFO] [stderr]   --> src/keeper/registry.rs:26:5
[INFO] [stderr]    |
[INFO] [stderr] 26 |     pub fn unsubscribe(&mut self, event_name: String, target_url: String) -> Result<(), &str> {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `get_subscribers`
[INFO] [stderr]   --> src/keeper/registry.rs:40:5
[INFO] [stderr]    |
[INFO] [stderr] 40 |     pub fn get_subscribers(&self, event_name: String) -> Vec<String> {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unneeded return statement
[INFO] [stderr]   --> src/keeper/registry.rs:23:9
[INFO] [stderr]    |
[INFO] [stderr] 23 |         return Result::Ok(());
[INFO] [stderr]    |         ^^^^^^^^^^^^^^^^^^^^^^ help: remove `return` as shown: `Result::Ok(())`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(clippy::needless_return)] on by default
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_return
[INFO] [stderr] 
[INFO] [stderr] warning: unneeded return statement
[INFO] [stderr]   --> src/keeper/registry.rs:37:9
[INFO] [stderr]    |
[INFO] [stderr] 37 |         return Result::Ok(());
[INFO] [stderr]    |         ^^^^^^^^^^^^^^^^^^^^^^ help: remove `return` as shown: `Result::Ok(())`
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_return
[INFO] [stderr] 
[INFO] [stderr] warning: unneeded return statement
[INFO] [stderr]   --> src/keeper/registry.rs:45:9
[INFO] [stderr]    |
[INFO] [stderr] 45 |         return Vec::new();
[INFO] [stderr]    |         ^^^^^^^^^^^^^^^^^^ help: remove `return` as shown: `Vec::new()`
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_return
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 23.11s
[INFO] running `"docker" "inspect" "506ed757ff2bf8ba6722be7230c6c418242ba732a899306d32aaf99d50963e7a"`
[INFO] running `"docker" "rm" "-f" "506ed757ff2bf8ba6722be7230c6c418242ba732a899306d32aaf99d50963e7a"`
[INFO] [stdout] 506ed757ff2bf8ba6722be7230c6c418242ba732a899306d32aaf99d50963e7a