[INFO] updating cached repository howeih/Day-13-Roots-of-polynomial
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/howeih/Day-13-Roots-of-polynomial
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/howeih/Day-13-Roots-of-polynomial" "work/ex/clippy-test-run/sources/stable/gh/howeih/Day-13-Roots-of-polynomial"`
[INFO] [stderr] Cloning into 'work/ex/clippy-test-run/sources/stable/gh/howeih/Day-13-Roots-of-polynomial'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/howeih/Day-13-Roots-of-polynomial" "work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/gh/howeih/Day-13-Roots-of-polynomial"`
[INFO] [stderr] Cloning into 'work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/gh/howeih/Day-13-Roots-of-polynomial'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 91d5773cee07d71378a233a576e82a501d5004b5
[INFO] sha for GitHub repo howeih/Day-13-Roots-of-polynomial: 91d5773cee07d71378a233a576e82a501d5004b5
[INFO] validating manifest of howeih/Day-13-Roots-of-polynomial 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 howeih/Day-13-Roots-of-polynomial 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 howeih/Day-13-Roots-of-polynomial
[INFO] finished frobbing howeih/Day-13-Roots-of-polynomial
[INFO] frobbed toml for howeih/Day-13-Roots-of-polynomial written to work/ex/clippy-test-run/sources/stable/gh/howeih/Day-13-Roots-of-polynomial/Cargo.toml
[INFO] started frobbing howeih/Day-13-Roots-of-polynomial
[INFO] finished frobbing howeih/Day-13-Roots-of-polynomial
[INFO] frobbed toml for howeih/Day-13-Roots-of-polynomial written to work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/gh/howeih/Day-13-Roots-of-polynomial/Cargo.toml
[INFO] crate howeih/Day-13-Roots-of-polynomial 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 howeih/Day-13-Roots-of-polynomial against stable for clippy-test-run
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/clippy-test-run/worker-0/stable:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/clippy-test-run/sources/stable/gh/howeih/Day-13-Roots-of-polynomial:/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] 67ee557686c3e55ca3402c0b5c3adfb8605bde7692f0db4c120b3530a8f8b80e
[INFO] running `"docker" "start" "-a" "67ee557686c3e55ca3402c0b5c3adfb8605bde7692f0db4c120b3530a8f8b80e"`
[INFO] [stderr]     Checking num v0.1.42
[INFO] [stderr]     Checking rulinalg v0.4.2
[INFO] [stderr]     Checking roots_of_polynomial v0.1.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 4.63s
[INFO] running `"docker" "inspect" "67ee557686c3e55ca3402c0b5c3adfb8605bde7692f0db4c120b3530a8f8b80e"`
[INFO] running `"docker" "rm" "-f" "67ee557686c3e55ca3402c0b5c3adfb8605bde7692f0db4c120b3530a8f8b80e"`
[INFO] [stdout] 67ee557686c3e55ca3402c0b5c3adfb8605bde7692f0db4c120b3530a8f8b80e