[INFO] updating cached repository delaemon/rust-greatest-common-divisor
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/delaemon/rust-greatest-common-divisor
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/delaemon/rust-greatest-common-divisor" "work/ex/clippy-test-run/sources/stable/gh/delaemon/rust-greatest-common-divisor"`
[INFO] [stderr] Cloning into 'work/ex/clippy-test-run/sources/stable/gh/delaemon/rust-greatest-common-divisor'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/delaemon/rust-greatest-common-divisor" "work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/gh/delaemon/rust-greatest-common-divisor"`
[INFO] [stderr] Cloning into 'work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/gh/delaemon/rust-greatest-common-divisor'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 8034274b91ae2b60b6ffb99fa30c3f08337021aa
[INFO] sha for GitHub repo delaemon/rust-greatest-common-divisor: 8034274b91ae2b60b6ffb99fa30c3f08337021aa
[INFO] validating manifest of delaemon/rust-greatest-common-divisor 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 delaemon/rust-greatest-common-divisor 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 delaemon/rust-greatest-common-divisor
[INFO] finished frobbing delaemon/rust-greatest-common-divisor
[INFO] frobbed toml for delaemon/rust-greatest-common-divisor written to work/ex/clippy-test-run/sources/stable/gh/delaemon/rust-greatest-common-divisor/Cargo.toml
[INFO] started frobbing delaemon/rust-greatest-common-divisor
[INFO] finished frobbing delaemon/rust-greatest-common-divisor
[INFO] frobbed toml for delaemon/rust-greatest-common-divisor written to work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/gh/delaemon/rust-greatest-common-divisor/Cargo.toml
[INFO] crate delaemon/rust-greatest-common-divisor 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 delaemon/rust-greatest-common-divisor 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/gh/delaemon/rust-greatest-common-divisor:/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] b77aa2c806a1fb0c7da69e4a0a2b3d263fd0ff3384e294121211dc37420eb949
[INFO] running `"docker" "start" "-a" "b77aa2c806a1fb0c7da69e4a0a2b3d263fd0ff3384e294121211dc37420eb949"`
[INFO] [stderr]     Checking greatest_common_divisor v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: unneeded return statement
[INFO] [stderr]  --> src/main.rs:6:5
[INFO] [stderr]   |
[INFO] [stderr] 6 |     return gcd(b, a % b);
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^ help: remove `return` as shown: `gcd(b, a % b)`
[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/main.rs:6:5
[INFO] [stderr]   |
[INFO] [stderr] 6 |     return gcd(b, a % b);
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^ help: remove `return` as shown: `gcd(b, a % b)`
[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: called `ok().expect()` on a Result value. You can call `expect` directly on the `Result`
[INFO] [stderr]   --> src/main.rs:12:5
[INFO] [stderr]    |
[INFO] [stderr] 12 | /     io::stdin().read_line(&mut argv)
[INFO] [stderr] 13 | |         .ok()
[INFO] [stderr] 14 | |         .expect("Failed to read line");
[INFO] [stderr]    | |______________________________________^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(clippy::ok_expect)] on by default
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#ok_expect
[INFO] [stderr] 
[INFO] [stderr] warning: called `ok().expect()` on a Result value. You can call `expect` directly on the `Result`
[INFO] [stderr]   --> src/main.rs:12:5
[INFO] [stderr]    |
[INFO] [stderr] 12 | /     io::stdin().read_line(&mut argv)
[INFO] [stderr] 13 | |         .ok()
[INFO] [stderr] 14 | |         .expect("Failed to read line");
[INFO] [stderr]    | |______________________________________^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(clippy::ok_expect)] on by default
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#ok_expect
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.82s
[INFO] running `"docker" "inspect" "b77aa2c806a1fb0c7da69e4a0a2b3d263fd0ff3384e294121211dc37420eb949"`
[INFO] running `"docker" "rm" "-f" "b77aa2c806a1fb0c7da69e4a0a2b3d263fd0ff3384e294121211dc37420eb949"`
[INFO] [stdout] b77aa2c806a1fb0c7da69e4a0a2b3d263fd0ff3384e294121211dc37420eb949