[INFO] updating cached repository Cyclic3/primefinder
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/Cyclic3/primefinder
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/Cyclic3/primefinder" "work/ex/clippy-test-run/sources/stable/gh/Cyclic3/primefinder"`
[INFO] [stderr] Cloning into 'work/ex/clippy-test-run/sources/stable/gh/Cyclic3/primefinder'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/Cyclic3/primefinder" "work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/gh/Cyclic3/primefinder"`
[INFO] [stderr] Cloning into 'work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/gh/Cyclic3/primefinder'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 6058b00766fb672b1fb866bfa408ac40dcfa28da
[INFO] sha for GitHub repo Cyclic3/primefinder: 6058b00766fb672b1fb866bfa408ac40dcfa28da
[INFO] validating manifest of Cyclic3/primefinder 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 Cyclic3/primefinder 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 Cyclic3/primefinder
[INFO] finished frobbing Cyclic3/primefinder
[INFO] frobbed toml for Cyclic3/primefinder written to work/ex/clippy-test-run/sources/stable/gh/Cyclic3/primefinder/Cargo.toml
[INFO] started frobbing Cyclic3/primefinder
[INFO] finished frobbing Cyclic3/primefinder
[INFO] frobbed toml for Cyclic3/primefinder written to work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/gh/Cyclic3/primefinder/Cargo.toml
[INFO] crate Cyclic3/primefinder 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 Cyclic3/primefinder against stable for clippy-test-run
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/clippy-test-run/worker-2/stable:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/clippy-test-run/sources/stable/gh/Cyclic3/primefinder:/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] 4f3cd260bfeec9d144bcfa1305ecec14303b2f466a13e1808d3b98447497b587
[INFO] running `"docker" "start" "-a" "4f3cd260bfeec9d144bcfa1305ecec14303b2f466a13e1808d3b98447497b587"`
[INFO] [stderr]     Checking primefinder v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]   --> src/main.rs:17:9
[INFO] [stderr]    |
[INFO] [stderr] 17 |     let mut n = match BigNum::from_dec_str(&n) { Ok(bn) => bn, _ => { println!("Bad number: {}", n); return }};
[INFO] [stderr]    |         ----^
[INFO] [stderr]    |         |
[INFO] [stderr]    |         help: remove this `mut`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(unused_mut)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: empty `loop {}` detected. You may want to either use `panic!()` or add `std::thread::sleep(..);` to the loop body.
[INFO] [stderr]   --> src/main.rs:41:5
[INFO] [stderr]    |
[INFO] [stderr] 41 |     loop {}
[INFO] [stderr]    |     ^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(clippy::empty_loop)] on by default
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#empty_loop
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]   --> src/main.rs:17:9
[INFO] [stderr]    |
[INFO] [stderr] 17 |     let mut n = match BigNum::from_dec_str(&n) { Ok(bn) => bn, _ => { println!("Bad number: {}", n); return }};
[INFO] [stderr]    |         ----^
[INFO] [stderr]    |         |
[INFO] [stderr]    |         help: remove this `mut`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(unused_mut)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: empty `loop {}` detected. You may want to either use `panic!()` or add `std::thread::sleep(..);` to the loop body.
[INFO] [stderr]   --> src/main.rs:41:5
[INFO] [stderr]    |
[INFO] [stderr] 41 |     loop {}
[INFO] [stderr]    |     ^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(clippy::empty_loop)] on by default
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#empty_loop
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.90s
[INFO] running `"docker" "inspect" "4f3cd260bfeec9d144bcfa1305ecec14303b2f466a13e1808d3b98447497b587"`
[INFO] running `"docker" "rm" "-f" "4f3cd260bfeec9d144bcfa1305ecec14303b2f466a13e1808d3b98447497b587"`
[INFO] [stdout] 4f3cd260bfeec9d144bcfa1305ecec14303b2f466a13e1808d3b98447497b587