[INFO] updating cached repository tmorgansl/integrator
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/tmorgansl/integrator
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/tmorgansl/integrator" "work/ex/clippy-test-run/sources/stable/gh/tmorgansl/integrator"`
[INFO] [stderr] Cloning into 'work/ex/clippy-test-run/sources/stable/gh/tmorgansl/integrator'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/tmorgansl/integrator" "work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/gh/tmorgansl/integrator"`
[INFO] [stderr] Cloning into 'work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/gh/tmorgansl/integrator'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 620f93ec4f0a783daa5df07556fd94c3aaded993
[INFO] sha for GitHub repo tmorgansl/integrator: 620f93ec4f0a783daa5df07556fd94c3aaded993
[INFO] validating manifest of tmorgansl/integrator 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 tmorgansl/integrator 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 tmorgansl/integrator
[INFO] finished frobbing tmorgansl/integrator
[INFO] frobbed toml for tmorgansl/integrator written to work/ex/clippy-test-run/sources/stable/gh/tmorgansl/integrator/Cargo.toml
[INFO] started frobbing tmorgansl/integrator
[INFO] finished frobbing tmorgansl/integrator
[INFO] frobbed toml for tmorgansl/integrator written to work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/gh/tmorgansl/integrator/Cargo.toml
[INFO] crate tmorgansl/integrator 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 tmorgansl/integrator 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/tmorgansl/integrator:/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] 92288753af8883d0cf42ef8b51cb5b0f8cf09249440334e44267b68c9ff35480
[INFO] running `"docker" "start" "-a" "92288753af8883d0cf42ef8b51cb5b0f8cf09249440334e44267b68c9ff35480"`
[INFO] [stderr]     Checking libc v0.2.31
[INFO] [stderr]     Checking rand v0.3.16
[INFO] [stderr]     Checking integrator v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: long literal lacking separators
[INFO] [stderr]   --> src/main.rs:15:26
[INFO] [stderr]    |
[INFO] [stderr] 15 |     let num_throws:i32 = 100000;
[INFO] [stderr]    |                          ^^^^^^ help: consider: `100_000`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(clippy::unreadable_literal)] on by default
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#unreadable_literal
[INFO] [stderr] 
[INFO] [stderr] warning: the loop variable `i` is only used to index `x`.
[INFO] [stderr]   --> src/main.rs:22:18
[INFO] [stderr]    |
[INFO] [stderr] 22 |         for i in 0..2 {
[INFO] [stderr]    |                  ^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(clippy::needless_range_loop)] on by default
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_range_loop
[INFO] [stderr] help: consider using an iterator
[INFO] [stderr]    |
[INFO] [stderr] 22 |         for <item> in &mut x {
[INFO] [stderr]    |             ^^^^^^    ^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: casting i32 to f64 may become silently lossy if types change
[INFO] [stderr]   --> src/main.rs:28:32
[INFO] [stderr]    |
[INFO] [stderr] 28 |     let pi: f64 = 4.0 * (sum / num_throws as f64);
[INFO] [stderr]    |                                ^^^^^^^^^^^^^^^^^ help: try: `f64::from(num_throws)`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(clippy::cast_lossless)] on by default
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#cast_lossless
[INFO] [stderr] 
[INFO] [stderr] warning: long literal lacking separators
[INFO] [stderr]   --> src/main.rs:15:26
[INFO] [stderr]    |
[INFO] [stderr] 15 |     let num_throws:i32 = 100000;
[INFO] [stderr]    |                          ^^^^^^ help: consider: `100_000`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(clippy::unreadable_literal)] on by default
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#unreadable_literal
[INFO] [stderr] 
[INFO] [stderr] warning: the loop variable `i` is only used to index `x`.
[INFO] [stderr]   --> src/main.rs:22:18
[INFO] [stderr]    |
[INFO] [stderr] 22 |         for i in 0..2 {
[INFO] [stderr]    |                  ^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(clippy::needless_range_loop)] on by default
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_range_loop
[INFO] [stderr] help: consider using an iterator
[INFO] [stderr]    |
[INFO] [stderr] 22 |         for <item> in &mut x {
[INFO] [stderr]    |             ^^^^^^    ^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: casting i32 to f64 may become silently lossy if types change
[INFO] [stderr]   --> src/main.rs:28:32
[INFO] [stderr]    |
[INFO] [stderr] 28 |     let pi: f64 = 4.0 * (sum / num_throws as f64);
[INFO] [stderr]    |                                ^^^^^^^^^^^^^^^^^ help: try: `f64::from(num_throws)`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(clippy::cast_lossless)] on by default
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#cast_lossless
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 3.31s
[INFO] running `"docker" "inspect" "92288753af8883d0cf42ef8b51cb5b0f8cf09249440334e44267b68c9ff35480"`
[INFO] running `"docker" "rm" "-f" "92288753af8883d0cf42ef8b51cb5b0f8cf09249440334e44267b68c9ff35480"`
[INFO] [stdout] 92288753af8883d0cf42ef8b51cb5b0f8cf09249440334e44267b68c9ff35480