[INFO] updating cached repository amatho/indexgen-rs
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/amatho/indexgen-rs
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/amatho/indexgen-rs" "work/ex/clippy-test-run/sources/stable/gh/amatho/indexgen-rs"`
[INFO] [stderr] Cloning into 'work/ex/clippy-test-run/sources/stable/gh/amatho/indexgen-rs'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/amatho/indexgen-rs" "work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/gh/amatho/indexgen-rs"`
[INFO] [stderr] Cloning into 'work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/gh/amatho/indexgen-rs'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 3bf7784118a8bf117f3d0a5f6c658e5d7e07545f
[INFO] sha for GitHub repo amatho/indexgen-rs: 3bf7784118a8bf117f3d0a5f6c658e5d7e07545f
[INFO] validating manifest of amatho/indexgen-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 amatho/indexgen-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 amatho/indexgen-rs
[INFO] finished frobbing amatho/indexgen-rs
[INFO] frobbed toml for amatho/indexgen-rs written to work/ex/clippy-test-run/sources/stable/gh/amatho/indexgen-rs/Cargo.toml
[INFO] started frobbing amatho/indexgen-rs
[INFO] finished frobbing amatho/indexgen-rs
[INFO] frobbed toml for amatho/indexgen-rs written to work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/gh/amatho/indexgen-rs/Cargo.toml
[INFO] crate amatho/indexgen-rs 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 amatho/indexgen-rs 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/gh/amatho/indexgen-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] 44ce330b6bc1b8cdb43d5eae50af3cbfae8eb73944eb39a06308dad9739e9dc0
[INFO] running `"docker" "start" "-a" "44ce330b6bc1b8cdb43d5eae50af3cbfae8eb73944eb39a06308dad9739e9dc0"`
[INFO] [stderr]     Checking indexgen v0.1.1 (/opt/crater/workdir)
[INFO] [stderr] warning: writing `&Vec<_>` instead of `&[_]` involves one more reference and cannot be used with non-Vec-based slices.
[INFO] [stderr]   --> src/main.rs:49:17
[INFO] [stderr]    |
[INFO] [stderr] 49 | fn get_wd(args: &Vec<String>) -> PathBuf {
[INFO] [stderr]    |                 ^^^^^^^^^^^^ help: change this to: `&[String]`
[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: you seem to be trying to match on a boolean expression
[INFO] [stderr]   --> src/main.rs:71:19
[INFO] [stderr]    |
[INFO] [stderr] 71 |     let file_type = match path.is_dir() {
[INFO] [stderr]    |  ___________________^
[INFO] [stderr] 72 | |     true => String::from("dir"),
[INFO] [stderr] 73 | |     false => String::from("file")
[INFO] [stderr] 74 | |   };
[INFO] [stderr]    | |___^ help: consider using an if/else expression: `if path.is_dir() { String::from("dir") } else { String::from("file") }`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(clippy::match_bool)] on by default
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#match_bool
[INFO] [stderr] 
[INFO] [stderr] warning: writing `&Vec<_>` instead of `&[_]` involves one more reference and cannot be used with non-Vec-based slices.
[INFO] [stderr]   --> src/main.rs:49:17
[INFO] [stderr]    |
[INFO] [stderr] 49 | fn get_wd(args: &Vec<String>) -> PathBuf {
[INFO] [stderr]    |                 ^^^^^^^^^^^^ help: change this to: `&[String]`
[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: you seem to be trying to match on a boolean expression
[INFO] [stderr]   --> src/main.rs:71:19
[INFO] [stderr]    |
[INFO] [stderr] 71 |     let file_type = match path.is_dir() {
[INFO] [stderr]    |  ___________________^
[INFO] [stderr] 72 | |     true => String::from("dir"),
[INFO] [stderr] 73 | |     false => String::from("file")
[INFO] [stderr] 74 | |   };
[INFO] [stderr]    | |___^ help: consider using an if/else expression: `if path.is_dir() { String::from("dir") } else { String::from("file") }`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(clippy::match_bool)] on by default
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#match_bool
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.70s
[INFO] running `"docker" "inspect" "44ce330b6bc1b8cdb43d5eae50af3cbfae8eb73944eb39a06308dad9739e9dc0"`
[INFO] running `"docker" "rm" "-f" "44ce330b6bc1b8cdb43d5eae50af3cbfae8eb73944eb39a06308dad9739e9dc0"`
[INFO] [stdout] 44ce330b6bc1b8cdb43d5eae50af3cbfae8eb73944eb39a06308dad9739e9dc0