[INFO] updating cached repository jeffrey-xiao/hash-rings-rs
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/jeffrey-xiao/hash-rings-rs
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/jeffrey-xiao/hash-rings-rs" "work/ex/clippy-test-run/sources/stable/gh/jeffrey-xiao/hash-rings-rs"`
[INFO] [stderr] Cloning into 'work/ex/clippy-test-run/sources/stable/gh/jeffrey-xiao/hash-rings-rs'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/jeffrey-xiao/hash-rings-rs" "work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/gh/jeffrey-xiao/hash-rings-rs"`
[INFO] [stderr] Cloning into 'work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/gh/jeffrey-xiao/hash-rings-rs'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 1ce1fad2d0c33c4f76190383841573d1c37e7af2
[INFO] sha for GitHub repo jeffrey-xiao/hash-rings-rs: 1ce1fad2d0c33c4f76190383841573d1c37e7af2
[INFO] validating manifest of jeffrey-xiao/hash-rings-rs 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 jeffrey-xiao/hash-rings-rs 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 jeffrey-xiao/hash-rings-rs
[INFO] finished frobbing jeffrey-xiao/hash-rings-rs
[INFO] frobbed toml for jeffrey-xiao/hash-rings-rs written to work/ex/clippy-test-run/sources/stable/gh/jeffrey-xiao/hash-rings-rs/Cargo.toml
[INFO] started frobbing jeffrey-xiao/hash-rings-rs
[INFO] finished frobbing jeffrey-xiao/hash-rings-rs
[INFO] frobbed toml for jeffrey-xiao/hash-rings-rs written to work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/gh/jeffrey-xiao/hash-rings-rs/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 jeffrey-xiao/hash-rings-rs against stable for clippy-test-run
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/clippy-test-run/worker-6/stable:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/clippy-test-run/sources/stable/gh/jeffrey-xiao/hash-rings-rs:/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] f3c909cfc55de52d2230c26664dd35d7e2df0f7e59b249fa95920e314c563f23
[INFO] running `"docker" "start" "-a" "f3c909cfc55de52d2230c26664dd35d7e2df0f7e59b249fa95920e314c563f23"`
[INFO] [stderr]     Checking primal-estimate v0.2.1
[INFO] [stderr]     Checking primal-bit v0.2.4
[INFO] [stderr]     Checking smallvec v0.6.8
[INFO] [stderr]     Checking num-integer v0.1.39
[INFO] [stderr]     Checking primal-check v0.2.3
[INFO] [stderr]     Checking primal-sieve v0.2.9
[INFO] [stderr]     Checking primal v0.2.3
[INFO] [stderr]     Checking hash-rings v1.0.0 (/opt/crater/workdir)
[INFO] [stderr] warning: usage of `contains_key` followed by `insert` on a `BTreeMap`
[INFO] [stderr]    --> src/consistent.rs:319:13
[INFO] [stderr]     |
[INFO] [stderr] 319 | /             if !self.data.contains_key(&new_hash) {
[INFO] [stderr] 320 | |                 if let Some((hash, points)) = self.get_next_node(new_hash) {
[INFO] [stderr] 321 | |                     let (old_set, new_set) = points.drain().partition(|point| {
[INFO] [stderr] 322 | |                         let point_hash = util::gen_hash(point);
[INFO] [stderr] ...   |
[INFO] [stderr] 333 | |                 self.data.insert(new_hash, new_points);
[INFO] [stderr] 334 | |             }
[INFO] [stderr]     | |_____________^ help: consider using: `self.data.entry(new_hash)`
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(clippy::map_entry)] on by default
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#map_entry
[INFO] [stderr] 
[INFO] [stderr] warning: usage of `contains_key` followed by `insert` on a `BTreeMap`
[INFO] [stderr]    --> src/consistent.rs:319:13
[INFO] [stderr]     |
[INFO] [stderr] 319 | /             if !self.data.contains_key(&new_hash) {
[INFO] [stderr] 320 | |                 if let Some((hash, points)) = self.get_next_node(new_hash) {
[INFO] [stderr] 321 | |                     let (old_set, new_set) = points.drain().partition(|point| {
[INFO] [stderr] 322 | |                         let point_hash = util::gen_hash(point);
[INFO] [stderr] ...   |
[INFO] [stderr] 333 | |                 self.data.insert(new_hash, new_points);
[INFO] [stderr] 334 | |             }
[INFO] [stderr]     | |_____________^ help: consider using: `self.data.entry(new_hash)`
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(clippy::map_entry)] on by default
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#map_entry
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 9.30s
[INFO] running `"docker" "inspect" "f3c909cfc55de52d2230c26664dd35d7e2df0f7e59b249fa95920e314c563f23"`
[INFO] running `"docker" "rm" "-f" "f3c909cfc55de52d2230c26664dd35d7e2df0f7e59b249fa95920e314c563f23"`
[INFO] [stdout] f3c909cfc55de52d2230c26664dd35d7e2df0f7e59b249fa95920e314c563f23