[INFO] updating cached repository aphreet/rpm_srv
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/aphreet/rpm_srv
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/aphreet/rpm_srv" "work/ex/clippy-test-run/sources/stable/gh/aphreet/rpm_srv"`
[INFO] [stderr] Cloning into 'work/ex/clippy-test-run/sources/stable/gh/aphreet/rpm_srv'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/aphreet/rpm_srv" "work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/gh/aphreet/rpm_srv"`
[INFO] [stderr] Cloning into 'work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/gh/aphreet/rpm_srv'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 88f051c5e2db21285d54568340302c560983dae1
[INFO] sha for GitHub repo aphreet/rpm_srv: 88f051c5e2db21285d54568340302c560983dae1
[INFO] validating manifest of aphreet/rpm_srv 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 aphreet/rpm_srv 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 aphreet/rpm_srv
[INFO] finished frobbing aphreet/rpm_srv
[INFO] frobbed toml for aphreet/rpm_srv written to work/ex/clippy-test-run/sources/stable/gh/aphreet/rpm_srv/Cargo.toml
[INFO] started frobbing aphreet/rpm_srv
[INFO] finished frobbing aphreet/rpm_srv
[INFO] frobbed toml for aphreet/rpm_srv written to work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/gh/aphreet/rpm_srv/Cargo.toml
[INFO] crate aphreet/rpm_srv 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 aphreet/rpm_srv 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/aphreet/rpm_srv:/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] 01fa9f224c770b6aca340c66f72cce5839742e46f927275f7ac867bbcfd02991
[INFO] running `"docker" "start" "-a" "01fa9f224c770b6aca340c66f72cce5839742e46f927275f7ac867bbcfd02991"`
[INFO] [stderr]     Checking rpm_srv v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: unused variable: `cache_arg`
[INFO] [stderr]    --> src/main.rs:139:13
[INFO] [stderr]     |
[INFO] [stderr] 139 |         let cache_arg = cache_arg(&self.file_root);
[INFO] [stderr]     |             ^^^^^^^^^ help: consider using `_cache_arg` instead
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(unused_variables)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: writing `&String` instead of `&str` involves a new object where a slice will do.
[INFO] [stderr]   --> src/main.rs:44:40
[INFO] [stderr]    |
[INFO] [stderr] 44 |     fn ensure_repo_exists(&self, root: &String) {
[INFO] [stderr]    |                                        ^^^^^^^ help: change this to: `&str`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(clippy::ptr_arg)] on by default
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#ptr_arg
[INFO] [stderr] 
[INFO] [stderr] warning: writing `&String` instead of `&str` involves a new object where a slice will do.
[INFO] [stderr]   --> src/main.rs:51:31
[INFO] [stderr]    |
[INFO] [stderr] 51 |     fn repo_path(&self, root: &String) -> String {
[INFO] [stderr]    |                               ^^^^^^^ help: change this to: `&str`
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#ptr_arg
[INFO] [stderr] 
[INFO] [stderr] warning: writing `&String` instead of `&str` involves a new object where a slice will do.
[INFO] [stderr]   --> src/main.rs:56:31
[INFO] [stderr]    |
[INFO] [stderr] 56 |     fn file_path(&self, root: &String) -> String {
[INFO] [stderr]    |                               ^^^^^^^ help: change this to: `&str`
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#ptr_arg
[INFO] [stderr] 
[INFO] [stderr] warning: writing `&String` instead of `&str` involves a new object where a slice will do.
[INFO] [stderr]    --> src/main.rs:104:20
[INFO] [stderr]     |
[INFO] [stderr] 104 | fn cache_arg(root: &String) -> String {
[INFO] [stderr]     |                    ^^^^^^^ help: change this to: `&str`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#ptr_arg
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `cache_arg`
[INFO] [stderr]    --> src/main.rs:139:13
[INFO] [stderr]     |
[INFO] [stderr] 139 |         let cache_arg = cache_arg(&self.file_root);
[INFO] [stderr]     |             ^^^^^^^^^ help: consider using `_cache_arg` instead
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(unused_variables)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: writing `&String` instead of `&str` involves a new object where a slice will do.
[INFO] [stderr]   --> src/main.rs:44:40
[INFO] [stderr]    |
[INFO] [stderr] 44 |     fn ensure_repo_exists(&self, root: &String) {
[INFO] [stderr]    |                                        ^^^^^^^ help: change this to: `&str`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(clippy::ptr_arg)] on by default
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#ptr_arg
[INFO] [stderr] 
[INFO] [stderr] warning: writing `&String` instead of `&str` involves a new object where a slice will do.
[INFO] [stderr]   --> src/main.rs:51:31
[INFO] [stderr]    |
[INFO] [stderr] 51 |     fn repo_path(&self, root: &String) -> String {
[INFO] [stderr]    |                               ^^^^^^^ help: change this to: `&str`
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#ptr_arg
[INFO] [stderr] 
[INFO] [stderr] warning: writing `&String` instead of `&str` involves a new object where a slice will do.
[INFO] [stderr]   --> src/main.rs:56:31
[INFO] [stderr]    |
[INFO] [stderr] 56 |     fn file_path(&self, root: &String) -> String {
[INFO] [stderr]    |                               ^^^^^^^ help: change this to: `&str`
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#ptr_arg
[INFO] [stderr] 
[INFO] [stderr] warning: writing `&String` instead of `&str` involves a new object where a slice will do.
[INFO] [stderr]    --> src/main.rs:104:20
[INFO] [stderr]     |
[INFO] [stderr] 104 | fn cache_arg(root: &String) -> String {
[INFO] [stderr]     |                    ^^^^^^^ help: change this to: `&str`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#ptr_arg
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 3.37s
[INFO] running `"docker" "inspect" "01fa9f224c770b6aca340c66f72cce5839742e46f927275f7ac867bbcfd02991"`
[INFO] running `"docker" "rm" "-f" "01fa9f224c770b6aca340c66f72cce5839742e46f927275f7ac867bbcfd02991"`
[INFO] [stdout] 01fa9f224c770b6aca340c66f72cce5839742e46f927275f7ac867bbcfd02991