[INFO] updating cached repository errorport/rustbeat
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/errorport/rustbeat
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/errorport/rustbeat" "work/ex/clippy-test-run/sources/stable/gh/errorport/rustbeat"`
[INFO] [stderr] Cloning into 'work/ex/clippy-test-run/sources/stable/gh/errorport/rustbeat'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/errorport/rustbeat" "work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/gh/errorport/rustbeat"`
[INFO] [stderr] Cloning into 'work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/gh/errorport/rustbeat'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] df6a90a0a152ae7a5a66c994f15794631328a7a6
[INFO] sha for GitHub repo errorport/rustbeat: df6a90a0a152ae7a5a66c994f15794631328a7a6
[INFO] validating manifest of errorport/rustbeat 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 errorport/rustbeat 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 errorport/rustbeat
[INFO] finished frobbing errorport/rustbeat
[INFO] frobbed toml for errorport/rustbeat written to work/ex/clippy-test-run/sources/stable/gh/errorport/rustbeat/Cargo.toml
[INFO] started frobbing errorport/rustbeat
[INFO] finished frobbing errorport/rustbeat
[INFO] frobbed toml for errorport/rustbeat written to work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/gh/errorport/rustbeat/Cargo.toml
[INFO] crate errorport/rustbeat 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 errorport/rustbeat 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/errorport/rustbeat:/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] f3bdd16a4312f2840ae685de9dd56a1f95e0405c2e1cc6c8213f25caa40247a5
[INFO] running `"docker" "start" "-a" "f3bdd16a4312f2840ae685de9dd56a1f95e0405c2e1cc6c8213f25caa40247a5"`
[INFO] [stderr]     Checking deep_unknown v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: unnecessary parentheses around assigned value
[INFO] [stderr]   --> src/main.rs:18:6
[INFO] [stderr]    |
[INFO] [stderr] 18 |         t+=(increment[increment_index] as i64);
[INFO] [stderr]    |            ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(unused_parens)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unneeded return statement
[INFO] [stderr]   --> src/main.rs:34:2
[INFO] [stderr]    |
[INFO] [stderr] 34 |     return s;
[INFO] [stderr]    |     ^^^^^^^^^ help: remove `return` as shown: `s`
[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: operator precedence can trip the unwary
[INFO] [stderr]   --> src/main.rs:33:7
[INFO] [stderr]    |
[INFO] [stderr] 33 |     s = (t-(t>>4&t>>8)&t>>12)-2+(t>>4&t>>6);
[INFO] [stderr]    |          ^^^^^^^^^^^^^^^^^^^ help: consider parenthesizing your expression: `(t-(t>>4&t>>8)) & t>>12`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(clippy::precedence)] on by default
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#precedence
[INFO] [stderr] 
[INFO] [stderr] warning: unneeded return statement
[INFO] [stderr]   --> src/main.rs:40:2
[INFO] [stderr]    |
[INFO] [stderr] 40 |     return s;
[INFO] [stderr]    |     ^^^^^^^^^ help: remove `return` as shown: `s`
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_return
[INFO] [stderr] 
[INFO] [stderr] warning: operator precedence can trip the unwary
[INFO] [stderr]   --> src/main.rs:39:7
[INFO] [stderr]    |
[INFO] [stderr] 39 |     s = (t-(t>>4&t>>8)&t>>12)+(t>>4&t>>6);
[INFO] [stderr]    |          ^^^^^^^^^^^^^^^^^^^ help: consider parenthesizing your expression: `(t-(t>>4&t>>8)) & t>>12`
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#precedence
[INFO] [stderr] 
[INFO] [stderr] warning: operator precedence can trip the unwary
[INFO] [stderr]   --> src/main.rs:45:15
[INFO] [stderr]    |
[INFO] [stderr] 45 |     s = t%(14312^t*3>>3^t>>10);
[INFO] [stderr]    |                  ^^^^^^ help: consider parenthesizing your expression: `(t*3) >> 3`
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#precedence
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `rng`
[INFO] [stderr]  --> src/main.rs:6:10
[INFO] [stderr]   |
[INFO] [stderr] 6 |     let mut rng = thread_rng();
[INFO] [stderr]   |             ^^^ help: consider using `_rng` instead
[INFO] [stderr]   |
[INFO] [stderr]   = note: #[warn(unused_variables)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: value assigned to `s` is never read
[INFO] [stderr]   --> src/main.rs:32:10
[INFO] [stderr]    |
[INFO] [stderr] 32 |     let mut s: i64 = 0;
[INFO] [stderr]    |             ^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(unused_assignments)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: value assigned to `s` is never read
[INFO] [stderr]   --> src/main.rs:38:10
[INFO] [stderr]    |
[INFO] [stderr] 38 |     let mut s: i64 = 0;
[INFO] [stderr]    |             ^
[INFO] [stderr] 
[INFO] [stderr] warning: value assigned to `s` is never read
[INFO] [stderr]   --> src/main.rs:44:10
[INFO] [stderr]    |
[INFO] [stderr] 44 |     let mut s: i64 = 0;
[INFO] [stderr]    |             ^
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]  --> src/main.rs:6:6
[INFO] [stderr]   |
[INFO] [stderr] 6 |     let mut rng = thread_rng();
[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: casting i32 to i64 may become silently lossy if types change
[INFO] [stderr]   --> src/main.rs:18:6
[INFO] [stderr]    |
[INFO] [stderr] 18 |         t+=(increment[increment_index] as i64);
[INFO] [stderr]    |            ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: try: `i64::from(increment[increment_index])`
[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: the loop variable `index` is only used to index `increment`.
[INFO] [stderr]   --> src/main.rs:50:15
[INFO] [stderr]    |
[INFO] [stderr] 50 |     for index in 0..increment.len() {
[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] 50 |     for <item> in &mut increment {
[INFO] [stderr]    |         ^^^^^^    ^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around assigned value
[INFO] [stderr]   --> src/main.rs:18:6
[INFO] [stderr]    |
[INFO] [stderr] 18 |         t+=(increment[increment_index] as i64);
[INFO] [stderr]    |            ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(unused_parens)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unneeded return statement
[INFO] [stderr]   --> src/main.rs:34:2
[INFO] [stderr]    |
[INFO] [stderr] 34 |     return s;
[INFO] [stderr]    |     ^^^^^^^^^ help: remove `return` as shown: `s`
[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: operator precedence can trip the unwary
[INFO] [stderr]   --> src/main.rs:33:7
[INFO] [stderr]    |
[INFO] [stderr] 33 |     s = (t-(t>>4&t>>8)&t>>12)-2+(t>>4&t>>6);
[INFO] [stderr]    |          ^^^^^^^^^^^^^^^^^^^ help: consider parenthesizing your expression: `(t-(t>>4&t>>8)) & t>>12`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(clippy::precedence)] on by default
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#precedence
[INFO] [stderr] 
[INFO] [stderr] warning: unneeded return statement
[INFO] [stderr]   --> src/main.rs:40:2
[INFO] [stderr]    |
[INFO] [stderr] 40 |     return s;
[INFO] [stderr]    |     ^^^^^^^^^ help: remove `return` as shown: `s`
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_return
[INFO] [stderr] 
[INFO] [stderr] warning: operator precedence can trip the unwary
[INFO] [stderr]   --> src/main.rs:39:7
[INFO] [stderr]    |
[INFO] [stderr] 39 |     s = (t-(t>>4&t>>8)&t>>12)+(t>>4&t>>6);
[INFO] [stderr]    |          ^^^^^^^^^^^^^^^^^^^ help: consider parenthesizing your expression: `(t-(t>>4&t>>8)) & t>>12`
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#precedence
[INFO] [stderr] 
[INFO] [stderr] warning: operator precedence can trip the unwary
[INFO] [stderr]   --> src/main.rs:45:15
[INFO] [stderr]    |
[INFO] [stderr] 45 |     s = t%(14312^t*3>>3^t>>10);
[INFO] [stderr]    |                  ^^^^^^ help: consider parenthesizing your expression: `(t*3) >> 3`
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#precedence
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `rng`
[INFO] [stderr]  --> src/main.rs:6:10
[INFO] [stderr]   |
[INFO] [stderr] 6 |     let mut rng = thread_rng();
[INFO] [stderr]   |             ^^^ help: consider using `_rng` instead
[INFO] [stderr]   |
[INFO] [stderr]   = note: #[warn(unused_variables)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: value assigned to `s` is never read
[INFO] [stderr]   --> src/main.rs:32:10
[INFO] [stderr]    |
[INFO] [stderr] 32 |     let mut s: i64 = 0;
[INFO] [stderr]    |             ^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(unused_assignments)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: value assigned to `s` is never read
[INFO] [stderr]   --> src/main.rs:38:10
[INFO] [stderr]    |
[INFO] [stderr] 38 |     let mut s: i64 = 0;
[INFO] [stderr]    |             ^
[INFO] [stderr] 
[INFO] [stderr] warning: value assigned to `s` is never read
[INFO] [stderr]   --> src/main.rs:44:10
[INFO] [stderr]    |
[INFO] [stderr] 44 |     let mut s: i64 = 0;
[INFO] [stderr]    |             ^
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]  --> src/main.rs:6:6
[INFO] [stderr]   |
[INFO] [stderr] 6 |     let mut rng = thread_rng();
[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: casting i32 to i64 may become silently lossy if types change
[INFO] [stderr]   --> src/main.rs:18:6
[INFO] [stderr]    |
[INFO] [stderr] 18 |         t+=(increment[increment_index] as i64);
[INFO] [stderr]    |            ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: try: `i64::from(increment[increment_index])`
[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: the loop variable `index` is only used to index `increment`.
[INFO] [stderr]   --> src/main.rs:50:15
[INFO] [stderr]    |
[INFO] [stderr] 50 |     for index in 0..increment.len() {
[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] 50 |     for <item> in &mut increment {
[INFO] [stderr]    |         ^^^^^^    ^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.03s
[INFO] running `"docker" "inspect" "f3bdd16a4312f2840ae685de9dd56a1f95e0405c2e1cc6c8213f25caa40247a5"`
[INFO] running `"docker" "rm" "-f" "f3bdd16a4312f2840ae685de9dd56a1f95e0405c2e1cc6c8213f25caa40247a5"`
[INFO] [stdout] f3bdd16a4312f2840ae685de9dd56a1f95e0405c2e1cc6c8213f25caa40247a5