[INFO] crate hash_ring 0.1.7 is already in cache
[INFO] extracting crate hash_ring 0.1.7 into work/ex/clippy-test-run/sources/stable/reg/hash_ring/0.1.7
[INFO] extracting crate hash_ring 0.1.7 into work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/reg/hash_ring/0.1.7
[INFO] validating manifest of hash_ring-0.1.7 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 hash_ring-0.1.7 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 hash_ring-0.1.7
[INFO] finished frobbing hash_ring-0.1.7
[INFO] frobbed toml for hash_ring-0.1.7 written to work/ex/clippy-test-run/sources/stable/reg/hash_ring/0.1.7/Cargo.toml
[INFO] started frobbing hash_ring-0.1.7
[INFO] finished frobbing hash_ring-0.1.7
[INFO] frobbed toml for hash_ring-0.1.7 written to work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/reg/hash_ring/0.1.7/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 hash_ring-0.1.7 against stable for clippy-test-run
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/clippy-test-run/worker-5/stable:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/clippy-test-run/sources/stable/reg/hash_ring/0.1.7:/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] 95a67d6c49a69fcf059150a8573d00d55cd6a8cc62c745d5a75edf4c3021f2f6
[INFO] running `"docker" "start" "-a" "95a67d6c49a69fcf059150a8573d00d55cd6a8cc62c745d5a75edf4c3021f2f6"`
[INFO] [stderr]     Checking hash_ring v0.1.7 (/opt/crater/workdir)
[INFO] [stderr] warning: redundant field names in struct initialization
[INFO] [stderr]   --> src/hash_ring.rs:31:13
[INFO] [stderr]    |
[INFO] [stderr] 31 |             replicas: replicas,
[INFO] [stderr]    |             ^^^^^^^^^^^^^^^^^^ help: replace it with: `replicas`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(clippy::redundant_field_names)] on by default
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#redundant_field_names
[INFO] [stderr] 
[INFO] [stderr] warning: redundant field names in struct initialization
[INFO] [stderr]   --> src/hash_ring.rs:31:13
[INFO] [stderr]    |
[INFO] [stderr] 31 |             replicas: replicas,
[INFO] [stderr]    |             ^^^^^^^^^^^^^^^^^^ help: replace it with: `replicas`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(clippy::redundant_field_names)] on by default
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#redundant_field_names
[INFO] [stderr] 
[INFO] [stderr] warning: unneeded return statement
[INFO] [stderr]   --> src/hash_ring.rs:40:9
[INFO] [stderr]    |
[INFO] [stderr] 40 |         return new_hash_ring;
[INFO] [stderr]    |         ^^^^^^^^^^^^^^^^^^^^^ help: remove `return` as shown: `new_hash_ring`
[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/hash_ring.rs:87:9
[INFO] [stderr]    |
[INFO] [stderr] 87 |         return Some(self.ring.get(node).unwrap());
[INFO] [stderr]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove `return` as shown: `Some(self.ring.get(node).unwrap())`
[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: the loop variable `i` is only used to index `nodes`.
[INFO] [stderr]   --> src/hash_ring.rs:36:18
[INFO] [stderr]    |
[INFO] [stderr] 36 |         for i in 0..nodes.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] 36 |         for <item> in &nodes {
[INFO] [stderr]    |             ^^^^^^    ^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: the loop variable `i` is only used to index `nodes`.
[INFO] [stderr]   --> src/hash_ring.rs:79:18
[INFO] [stderr]    |
[INFO] [stderr] 79 |         for i in 0..nodes.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] 79 |         for <item> in &nodes {
[INFO] [stderr]    |             ^^^^^^    ^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: called `.get().unwrap()` on a HashMap. Using `[]` is more clear and more concise
[INFO] [stderr]   --> src/hash_ring.rs:82:29
[INFO] [stderr]    |
[INFO] [stderr] 82 |                 return Some(self.ring.get(node).unwrap());
[INFO] [stderr]    |                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: try this: `&self.ring[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/hash_ring.rs:87:21
[INFO] [stderr]    |
[INFO] [stderr] 87 |         return Some(self.ring.get(node).unwrap());
[INFO] [stderr]    |                     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: try this: `&self.ring[node]`
[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: unneeded return statement
[INFO] [stderr]   --> src/hash_ring.rs:40:9
[INFO] [stderr]    |
[INFO] [stderr] 40 |         return new_hash_ring;
[INFO] [stderr]    |         ^^^^^^^^^^^^^^^^^^^^^ help: remove `return` as shown: `new_hash_ring`
[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/hash_ring.rs:87:9
[INFO] [stderr]    |
[INFO] [stderr] 87 |         return Some(self.ring.get(node).unwrap());
[INFO] [stderr]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove `return` as shown: `Some(self.ring.get(node).unwrap())`
[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: the loop variable `i` is only used to index `nodes`.
[INFO] [stderr]   --> src/hash_ring.rs:36:18
[INFO] [stderr]    |
[INFO] [stderr] 36 |         for i in 0..nodes.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] 36 |         for <item> in &nodes {
[INFO] [stderr]    |             ^^^^^^    ^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: the loop variable `i` is only used to index `nodes`.
[INFO] [stderr]   --> src/hash_ring.rs:79:18
[INFO] [stderr]    |
[INFO] [stderr] 79 |         for i in 0..nodes.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] 79 |         for <item> in &nodes {
[INFO] [stderr]    |             ^^^^^^    ^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: called `.get().unwrap()` on a HashMap. Using `[]` is more clear and more concise
[INFO] [stderr]   --> src/hash_ring.rs:82:29
[INFO] [stderr]    |
[INFO] [stderr] 82 |                 return Some(self.ring.get(node).unwrap());
[INFO] [stderr]    |                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: try this: `&self.ring[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/hash_ring.rs:87:21
[INFO] [stderr]    |
[INFO] [stderr] 87 |         return Some(self.ring.get(node).unwrap());
[INFO] [stderr]    |                     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: try this: `&self.ring[node]`
[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]     Finished dev [unoptimized + debuginfo] target(s) in 0.80s
[INFO] running `"docker" "inspect" "95a67d6c49a69fcf059150a8573d00d55cd6a8cc62c745d5a75edf4c3021f2f6"`
[INFO] running `"docker" "rm" "-f" "95a67d6c49a69fcf059150a8573d00d55cd6a8cc62c745d5a75edf4c3021f2f6"`
[INFO] [stdout] 95a67d6c49a69fcf059150a8573d00d55cd6a8cc62c745d5a75edf4c3021f2f6