[INFO] updating cached repository SolraBizna/enthunter
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/SolraBizna/enthunter
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/SolraBizna/enthunter" "work/ex/clippy-test-run/sources/stable/gh/SolraBizna/enthunter"`
[INFO] [stderr] Cloning into 'work/ex/clippy-test-run/sources/stable/gh/SolraBizna/enthunter'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/SolraBizna/enthunter" "work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/gh/SolraBizna/enthunter"`
[INFO] [stderr] Cloning into 'work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/gh/SolraBizna/enthunter'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 6e3909f22463167b26b8014cb1e121e8bd170604
[INFO] sha for GitHub repo SolraBizna/enthunter: 6e3909f22463167b26b8014cb1e121e8bd170604
[INFO] validating manifest of SolraBizna/enthunter 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 SolraBizna/enthunter 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 SolraBizna/enthunter
[INFO] finished frobbing SolraBizna/enthunter
[INFO] frobbed toml for SolraBizna/enthunter written to work/ex/clippy-test-run/sources/stable/gh/SolraBizna/enthunter/Cargo.toml
[INFO] started frobbing SolraBizna/enthunter
[INFO] finished frobbing SolraBizna/enthunter
[INFO] frobbed toml for SolraBizna/enthunter written to work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/gh/SolraBizna/enthunter/Cargo.toml
[INFO] crate SolraBizna/enthunter 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 SolraBizna/enthunter against stable+rustflags=-Dclippy::into_iter_on_array for clippy-test-run
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/clippy-test-run/worker-5/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/gh/SolraBizna/enthunter:/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 -Dclippy::into_iter_on_array" "-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] ee42cf210421e51eaff896e84e4a20d1a88e738d21a5f1c11bbdab9c633de6d6
[INFO] running `"docker" "start" "-a" "ee42cf210421e51eaff896e84e4a20d1a88e738d21a5f1c11bbdab9c633de6d6"`
[INFO] [stderr]     Checking enthunter v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: the loop variable `n` is only used to index `probabilities`.
[INFO] [stderr]  --> src/lib.rs:8:14
[INFO] [stderr]   |
[INFO] [stderr] 8 |     for n in 0..256 { probabilities[n] = 0 }
[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] 8 |     for <item> in &mut probabilities { probabilities[n] = 0 }
[INFO] [stderr]   |         ^^^^^^    ^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: casting u16 to f64 may become silently lossy if types change
[INFO] [stderr]   --> src/lib.rs:15:21
[INFO] [stderr]    |
[INFO] [stderr] 15 |              else {(x as f64 / float_len).log2() * x as f64})
[INFO] [stderr]    |                     ^^^^^^^^ help: try: `f64::from(x)`
[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: casting u16 to f64 may become silently lossy if types change
[INFO] [stderr]   --> src/lib.rs:15:52
[INFO] [stderr]    |
[INFO] [stderr] 15 |              else {(x as f64 / float_len).log2() * x as f64})
[INFO] [stderr]    |                                                    ^^^^^^^^ help: try: `f64::from(x)`
[INFO] [stderr]    |
[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 `n` is only used to index `probabilities`.
[INFO] [stderr]  --> src/lib.rs:8:14
[INFO] [stderr]   |
[INFO] [stderr] 8 |     for n in 0..256 { probabilities[n] = 0 }
[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] 8 |     for <item> in &mut probabilities { probabilities[n] = 0 }
[INFO] [stderr]   |         ^^^^^^    ^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: casting u16 to f64 may become silently lossy if types change
[INFO] [stderr]   --> src/lib.rs:15:21
[INFO] [stderr]    |
[INFO] [stderr] 15 |              else {(x as f64 / float_len).log2() * x as f64})
[INFO] [stderr]    |                     ^^^^^^^^ help: try: `f64::from(x)`
[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: casting u16 to f64 may become silently lossy if types change
[INFO] [stderr]   --> src/lib.rs:15:52
[INFO] [stderr]    |
[INFO] [stderr] 15 |              else {(x as f64 / float_len).log2() * x as f64})
[INFO] [stderr]    |                                                    ^^^^^^^^ help: try: `f64::from(x)`
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#cast_lossless
[INFO] [stderr] 
[INFO] [stderr] error: strict comparison of f32 or f64
[INFO] [stderr]   --> src/lib.rs:24:9
[INFO] [stderr]    |
[INFO] [stderr] 24 |         assert_eq!(entropy_estimate(b"AAAAAAAAAAAAAAAAAAAA"), 0.0);
[INFO] [stderr]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[deny(clippy::float_cmp)] on by default
[INFO] [stderr] note: std::f32::EPSILON and std::f64::EPSILON are available.
[INFO] [stderr]   --> src/lib.rs:24:9
[INFO] [stderr]    |
[INFO] [stderr] 24 |         assert_eq!(entropy_estimate(b"AAAAAAAAAAAAAAAAAAAA"), 0.0);
[INFO] [stderr]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#float_cmp
[INFO] [stderr]    = note: this error originates in a macro outside of the current crate (in Nightly builds, run with -Z external-macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] error: strict comparison of f32 or f64
[INFO] [stderr]   --> src/lib.rs:25:9
[INFO] [stderr]    |
[INFO] [stderr] 25 |         assert_eq!(entropy_estimate(b"ABAABBAAABBBAAAABBBB"), 20.0);
[INFO] [stderr]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr] note: std::f32::EPSILON and std::f64::EPSILON are available.
[INFO] [stderr]   --> src/lib.rs:25:9
[INFO] [stderr]    |
[INFO] [stderr] 25 |         assert_eq!(entropy_estimate(b"ABAABBAAABBBAAAABBBB"), 20.0);
[INFO] [stderr]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#float_cmp
[INFO] [stderr]    = note: this error originates in a macro outside of the current crate (in Nightly builds, run with -Z external-macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] error: strict comparison of f32 or f64
[INFO] [stderr]   --> src/lib.rs:26:9
[INFO] [stderr]    |
[INFO] [stderr] 26 |         assert_eq!(entropy_estimate(b"ABCCBACCCCABABCCCABC"), 30.0);
[INFO] [stderr]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr] note: std::f32::EPSILON and std::f64::EPSILON are available.
[INFO] [stderr]   --> src/lib.rs:26:9
[INFO] [stderr]    |
[INFO] [stderr] 26 |         assert_eq!(entropy_estimate(b"ABCCBACCCCABABCCCABC"), 30.0);
[INFO] [stderr]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#float_cmp
[INFO] [stderr]    = note: this error originates in a macro outside of the current crate (in Nightly builds, run with -Z external-macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to 3 previous errors
[INFO] [stderr] 
[INFO] [stderr] error: Could not compile `enthunter`.
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] warning: unneeded return statement
[INFO] [stderr]   --> src/main.rs:50:30
[INFO] [stderr]    |
[INFO] [stderr] 50 |     entropies.sort_by(|a, b| return (*a).partial_cmp(b).unwrap_or(Ordering::Equal));
[INFO] [stderr]    |                              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove `return` as shown: `(*a).partial_cmp(b).unwrap_or(Ordering::Equal)`
[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:50:30
[INFO] [stderr]    |
[INFO] [stderr] 50 |     entropies.sort_by(|a, b| return (*a).partial_cmp(b).unwrap_or(Ordering::Equal));
[INFO] [stderr]    |                              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove `return` as shown: `(*a).partial_cmp(b).unwrap_or(Ordering::Equal)`
[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: length comparison to zero
[INFO] [stderr]    --> src/main.rs:150:12
[INFO] [stderr]     |
[INFO] [stderr] 150 |         if a.len() == 0 || b.len() == 0 { break }
[INFO] [stderr]     |            ^^^^^^^^^^^^ help: using `is_empty` is clearer and more explicit: `a.is_empty()`
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(clippy::len_zero)] on by default
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#len_zero
[INFO] [stderr] 
[INFO] [stderr] warning: length comparison to zero
[INFO] [stderr]    --> src/main.rs:150:28
[INFO] [stderr]     |
[INFO] [stderr] 150 |         if a.len() == 0 || b.len() == 0 { break }
[INFO] [stderr]     |                            ^^^^^^^^^^^^ help: using `is_empty` is clearer and more explicit: `b.is_empty()`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#len_zero
[INFO] [stderr] 
[INFO] [stderr] warning: length comparison to zero
[INFO] [stderr]    --> src/main.rs:150:12
[INFO] [stderr]     |
[INFO] [stderr] 150 |         if a.len() == 0 || b.len() == 0 { break }
[INFO] [stderr]     |            ^^^^^^^^^^^^ help: using `is_empty` is clearer and more explicit: `a.is_empty()`
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(clippy::len_zero)] on by default
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#len_zero
[INFO] [stderr] 
[INFO] [stderr] warning: length comparison to zero
[INFO] [stderr]    --> src/main.rs:150:28
[INFO] [stderr]     |
[INFO] [stderr] 150 |         if a.len() == 0 || b.len() == 0 { break }
[INFO] [stderr]     |                            ^^^^^^^^^^^^ help: using `is_empty` is clearer and more explicit: `b.is_empty()`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#len_zero
[INFO] [stderr] 
[INFO] [stderr] error: build failed
[INFO] running `"docker" "inspect" "ee42cf210421e51eaff896e84e4a20d1a88e738d21a5f1c11bbdab9c633de6d6"`
[INFO] running `"docker" "rm" "-f" "ee42cf210421e51eaff896e84e4a20d1a88e738d21a5f1c11bbdab9c633de6d6"`
[INFO] [stdout] ee42cf210421e51eaff896e84e4a20d1a88e738d21a5f1c11bbdab9c633de6d6