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[INFO] [stdout] error[E0635]: unknown feature `array_chunks`
[INFO] [stdout]  --> /opt/rustwide/cargo-home/git/checkouts/stwo-59e22971a65c0edb/8b5436d/crates/prover/src/lib.rs:7:5
[INFO] [stdout]   |
[INFO] [stdout] 7 |     array_chunks,
[INFO] [stdout]   |     ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: no method named `array_chunks` found for struct `Vec<M31>` in the current scope
[INFO] [stdout]    --> /opt/rustwide/cargo-home/git/checkouts/stwo-59e22971a65c0edb/8b5436d/crates/prover/src/core/backend/cpu/circle.rs:157:14
[INFO] [stdout]     |
[INFO] [stdout] 156 | /         twiddles
[INFO] [stdout] 157 | |             .array_chunks::<CHUNK_SIZE>()
[INFO] [stdout]     | |             -^^^^^^^^^^^^ `Vec<M31>` is not an iterator
[INFO] [stdout]     | |_____________|
[INFO] [stdout]     |
[INFO] [stdout]     |
[INFO] [stdout] help: call `.into_iter()` first
[INFO] [stdout]     |
[INFO] [stdout] 157 |             .into_iter().array_chunks::<CHUNK_SIZE>()
[INFO] [stdout]     |              ++++++++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: no method named `array_chunks_mut` found for struct `Vec<M31>` in the current scope
[INFO] [stdout]    --> /opt/rustwide/cargo-home/git/checkouts/stwo-59e22971a65c0edb/8b5436d/crates/prover/src/core/backend/cpu/circle.rs:158:28
[INFO] [stdout]     |
[INFO] [stdout] 158 |             .zip(itwiddles.array_chunks_mut::<CHUNK_SIZE>())
[INFO] [stdout]     |                            ^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout] help: there is a method `rchunks_mut` with a similar name, but with different arguments
[INFO] [stdout]    --> /rustc/90b65889799733f21ebdf59d96411aa531c5900a/library/core/src/slice/mod.rs:1724:5
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: `&Mle<CpuBackend, QM31>` is not an iterator
[INFO] [stdout]    --> /opt/rustwide/cargo-home/git/checkouts/stwo-59e22971a65c0edb/8b5436d/crates/prover/src/core/backend/cpu/lookups/gkr.rs:232:21
[INFO] [stdout]     |
[INFO] [stdout] 232 |     let res = layer.array_chunks().map(|&[a, b]| a * b).collect();
[INFO] [stdout]     |                     ^^^^^^^^^^^^ `&Mle<CpuBackend, QM31>` is not an iterator
[INFO] [stdout]     |
[INFO] [stdout]    ::: /opt/rustwide/cargo-home/git/checkouts/stwo-59e22971a65c0edb/8b5436d/crates/prover/src/core/lookups/mle.rs:20:1
[INFO] [stdout]     |
[INFO] [stdout]  20 | pub struct Mle<B: ColumnOps<F>, F: Field> {
[INFO] [stdout]     | ----------------------------------------- doesn't satisfy `Mle<CpuBackend, QM31>: Iterator`
[INFO] [stdout]     |
[INFO] [stdout]     = note: the following trait bounds were not satisfied:
[INFO] [stdout]             `&Mle<CpuBackend, QM31>: Iterator`
[INFO] [stdout]             which is required by `&mut &Mle<CpuBackend, QM31>: Iterator`
[INFO] [stdout]             `Mle<CpuBackend, QM31>: Iterator`
[INFO] [stdout]             which is required by `&mut Mle<CpuBackend, QM31>: Iterator`
[INFO] [stdout]             `Vec<QM31>: Iterator`
[INFO] [stdout]             which is required by `&mut Vec<QM31>: Iterator`
[INFO] [stdout]             `[QM31]: Iterator`
[INFO] [stdout]             which is required by `&mut [QM31]: Iterator`
[INFO] [stdout] note: the trait `Iterator` must be implemented
[INFO] [stdout]    --> /rustc/90b65889799733f21ebdf59d96411aa531c5900a/library/core/src/iter/traits/iterator.rs:40:1
[INFO] [stdout]     = help: items from traits can only be used if the trait is implemented and in scope
[INFO] [stdout]     = note: the trait `Iterator` defines an item `array_chunks`, but is explicitly unimplemented
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: no method named `array_chunks` found for reference `&[PackedM31]` in the current scope
[INFO] [stdout]    --> /opt/rustwide/cargo-home/git/checkouts/stwo-59e22971a65c0edb/8b5436d/crates/prover/src/core/backend/simd/circle.rs:189:49
[INFO] [stdout]     |
[INFO] [stdout] 189 |             for (i, coeff_chunk) in coeff_chunk.array_chunks::<N_LANES>().enumerate() {
[INFO] [stdout]     |                                                 ^^^^^^^^^^^^ `&[PackedM31]` is not an iterator
[INFO] [stdout]     |
[INFO] [stdout] help: call `.into_iter()` first
[INFO] [stdout]     |
[INFO] [stdout] 189 |             for (i, coeff_chunk) in coeff_chunk.into_iter().array_chunks::<N_LANES>().enumerate() {
[INFO] [stdout]     |                                                 ++++++++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: no method named `array_chunks` found for struct `Vec<PackedQM31>` in the current scope
[INFO] [stdout]    --> /opt/rustwide/cargo-home/git/checkouts/stwo-59e22971a65c0edb/8b5436d/crates/prover/src/core/backend/simd/lookups/gkr.rs:136:10
[INFO] [stdout]     |
[INFO] [stdout] 134 |       let data = layer
[INFO] [stdout]     |  ________________-
[INFO] [stdout] 135 | |         .data
[INFO] [stdout] 136 | |         .array_chunks()
[INFO] [stdout]     | |         -^^^^^^^^^^^^ `Vec<PackedQM31>` is not an iterator
[INFO] [stdout]     | |_________|
[INFO] [stdout]     |
[INFO] [stdout]     |
[INFO] [stdout] help: call `.into_iter()` first
[INFO] [stdout]     |
[INFO] [stdout] 136 |         .into_iter().array_chunks()
[INFO] [stdout]     |          ++++++++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: no method named `array_chunks_mut` found for mutable reference `&mut [PackedM31]` in the current scope
[INFO] [stdout]   --> /opt/rustwide/cargo-home/git/checkouts/stwo-59e22971a65c0edb/8b5436d/crates/prover/src/core/backend/simd/prefix_sum.rs:35:46
[INFO] [stdout]    |
[INFO] [stdout] 35 |     for ([l0, l1], [r0, r1]) in izip!(l_half.array_chunks_mut(), r_half.array_chunks_mut().rev()) {
[INFO] [stdout]    |                                              ^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout] help: there is a method `rchunks_mut` with a similar name, but with different arguments
[INFO] [stdout]   --> /rustc/90b65889799733f21ebdf59d96411aa531c5900a/library/core/src/slice/mod.rs:1724:5
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: no method named `array_chunks_mut` found for mutable reference `&mut [PackedM31]` in the current scope
[INFO] [stdout]   --> /opt/rustwide/cargo-home/git/checkouts/stwo-59e22971a65c0edb/8b5436d/crates/prover/src/core/backend/simd/prefix_sum.rs:35:73
[INFO] [stdout]    |
[INFO] [stdout] 35 |     for ([l0, l1], [r0, r1]) in izip!(l_half.array_chunks_mut(), r_half.array_chunks_mut().rev()) {
[INFO] [stdout]    |                                                                         ^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout] help: there is a method `rchunks_mut` with a similar name, but with different arguments
[INFO] [stdout]   --> /rustc/90b65889799733f21ebdf59d96411aa531c5900a/library/core/src/slice/mod.rs:1724:5
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0282]: type annotations needed
[INFO] [stdout]   --> /opt/rustwide/cargo-home/git/checkouts/stwo-59e22971a65c0edb/8b5436d/crates/prover/src/core/backend/simd/prefix_sum.rs:37:30
[INFO] [stdout]    |
[INFO] [stdout] 37 |         let half_coset1_hi = half_coset1_hi_rev.reverse();
[INFO] [stdout]    |                              ^^^^^^^^^^^^^^^^^^ cannot infer type
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0282]: type annotations needed
[INFO] [stdout]   --> /opt/rustwide/cargo-home/git/checkouts/stwo-59e22971a65c0edb/8b5436d/crates/prover/src/core/backend/simd/prefix_sum.rs:39:30
[INFO] [stdout]    |
[INFO] [stdout] 39 |         let half_coset1_lo = half_coset1_lo_rev.reverse();
[INFO] [stdout]    |                              ^^^^^^^^^^^^^^^^^^ cannot infer type
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: no method named `array_chunks_mut` found for mutable reference `&mut [PackedM31]` in the current scope
[INFO] [stdout]   --> /opt/rustwide/cargo-home/git/checkouts/stwo-59e22971a65c0edb/8b5436d/crates/prover/src/core/backend/simd/prefix_sum.rs:58:18
[INFO] [stdout]    |
[INFO] [stdout] 58 |         zip(lows.array_chunks_mut(), highs.array_chunks())
[INFO] [stdout]    |                  ^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout] help: there is a method `rchunks_mut` with a similar name, but with different arguments
[INFO] [stdout]   --> /rustc/90b65889799733f21ebdf59d96411aa531c5900a/library/core/src/slice/mod.rs:1724:5
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: no method named `array_chunks` found for mutable reference `&mut [PackedM31]` in the current scope
[INFO] [stdout]   --> /opt/rustwide/cargo-home/git/checkouts/stwo-59e22971a65c0edb/8b5436d/crates/prover/src/core/backend/simd/prefix_sum.rs:58:44
[INFO] [stdout]    |
[INFO] [stdout] 58 |         zip(lows.array_chunks_mut(), highs.array_chunks())
[INFO] [stdout]    |                                            ^^^^^^^^^^^^ `&mut [PackedM31]` is not an iterator
[INFO] [stdout]    |
[INFO] [stdout] help: call `.into_iter()` first
[INFO] [stdout]    |
[INFO] [stdout] 58 |         zip(lows.array_chunks_mut(), highs.into_iter().array_chunks())
[INFO] [stdout]    |                                            ++++++++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: no method named `array_chunks_mut` found for mutable reference `&mut [PackedM31]` in the current scope
[INFO] [stdout]   --> /opt/rustwide/cargo-home/git/checkouts/stwo-59e22971a65c0edb/8b5436d/crates/prover/src/core/backend/simd/prefix_sum.rs:86:18
[INFO] [stdout]    |
[INFO] [stdout] 86 |         zip(lows.array_chunks_mut(), highs.array_chunks_mut())
[INFO] [stdout]    |                  ^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout] help: there is a method `rchunks_mut` with a similar name, but with different arguments
[INFO] [stdout]   --> /rustc/90b65889799733f21ebdf59d96411aa531c5900a/library/core/src/slice/mod.rs:1724:5
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: no method named `array_chunks_mut` found for mutable reference `&mut [PackedM31]` in the current scope
[INFO] [stdout]   --> /opt/rustwide/cargo-home/git/checkouts/stwo-59e22971a65c0edb/8b5436d/crates/prover/src/core/backend/simd/prefix_sum.rs:86:44
[INFO] [stdout]    |
[INFO] [stdout] 86 |         zip(lows.array_chunks_mut(), highs.array_chunks_mut())
[INFO] [stdout]    |                                            ^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout] help: there is a method `rchunks_mut` with a similar name, but with different arguments
[INFO] [stdout]   --> /rustc/90b65889799733f21ebdf59d96411aa531c5900a/library/core/src/slice/mod.rs:1724:5
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: no method named `array_chunks_mut` found for mutable reference `&mut [PackedM31]` in the current scope
[INFO] [stdout]    --> /opt/rustwide/cargo-home/git/checkouts/stwo-59e22971a65c0edb/8b5436d/crates/prover/src/core/backend/simd/prefix_sum.rs:100:46
[INFO] [stdout]     |
[INFO] [stdout] 100 |     for ([l0, l1], [r0, r1]) in izip!(l_half.array_chunks_mut(), r_half.array_chunks_mut().rev()) {
[INFO] [stdout]     |                                              ^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout] help: there is a method `rchunks_mut` with a similar name, but with different arguments
[INFO] [stdout]    --> /rustc/90b65889799733f21ebdf59d96411aa531c5900a/library/core/src/slice/mod.rs:1724:5
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: no method named `array_chunks_mut` found for mutable reference `&mut [PackedM31]` in the current scope
[INFO] [stdout]    --> /opt/rustwide/cargo-home/git/checkouts/stwo-59e22971a65c0edb/8b5436d/crates/prover/src/core/backend/simd/prefix_sum.rs:100:73
[INFO] [stdout]     |
[INFO] [stdout] 100 |     for ([l0, l1], [r0, r1]) in izip!(l_half.array_chunks_mut(), r_half.array_chunks_mut().rev()) {
[INFO] [stdout]     |                                                                         ^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout] help: there is a method `rchunks_mut` with a similar name, but with different arguments
[INFO] [stdout]    --> /rustc/90b65889799733f21ebdf59d96411aa531c5900a/library/core/src/slice/mod.rs:1724:5
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: no method named `array_chunks` found for struct `Vec<(u32, [column::BaseColumn; 3])>` in the current scope
[INFO] [stdout]    --> /opt/rustwide/cargo-home/git/checkouts/stwo-59e22971a65c0edb/8b5436d/crates/prover/src/examples/blake/round/gen.rs:255:57
[INFO] [stdout]     |
[INFO] [stdout] 255 |     for [(w0, l0), (w1, l1)] in lookup_data.xor_lookups.array_chunks::<2>() {
[INFO] [stdout]     |                                                         ^^^^^^^^^^^^ `Vec<(u32, [column::BaseColumn; 3])>` is not an iterator
[INFO] [stdout]     |
[INFO] [stdout] help: call `.into_iter()` first
[INFO] [stdout]     |
[INFO] [stdout] 255 |     for [(w0, l0), (w1, l1)] in lookup_data.xor_lookups.into_iter().array_chunks::<2>() {
[INFO] [stdout]     |                                                         ++++++++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0282]: type annotations needed
[INFO] [stdout]    --> /opt/rustwide/cargo-home/git/checkouts/stwo-59e22971a65c0edb/8b5436d/crates/prover/src/examples/blake/round/gen.rs:261:51
[INFO] [stdout]     |
[INFO] [stdout] 261 |                 xor_lookup_elements.combine(*w0, &l0.each_ref().map(|l| l.data[vec_row]));
[INFO] [stdout]     |                                                   ^^ cannot infer type
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0282]: type annotations needed
[INFO] [stdout]    --> /opt/rustwide/cargo-home/git/checkouts/stwo-59e22971a65c0edb/8b5436d/crates/prover/src/examples/blake/round/gen.rs:263:51
[INFO] [stdout]     |
[INFO] [stdout] 263 |                 xor_lookup_elements.combine(*w1, &l1.each_ref().map(|l| l.data[vec_row]));
[INFO] [stdout]     |                                                   ^^ cannot infer type
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: `[[column::BaseColumn; 96]; 10]` is not an iterator
[INFO] [stdout]    --> /opt/rustwide/cargo-home/git/checkouts/stwo-59e22971a65c0edb/8b5436d/crates/prover/src/examples/blake/scheduler/gen.rs:129:47
[INFO] [stdout]     |
[INFO] [stdout] 129 |     for [l0, l1] in lookup_data.round_lookups.array_chunks::<2>() {
[INFO] [stdout]     |                                               ^^^^^^^^^^^^ `[[column::BaseColumn; 96]; 10]` is not an iterator
[INFO] [stdout]     |
[INFO] [stdout]     = note: the following trait bounds were not satisfied:
[INFO] [stdout]             `[[column::BaseColumn; 96]; 10]: Iterator`
[INFO] [stdout]             which is required by `&mut [[column::BaseColumn; 96]; 10]: Iterator`
[INFO] [stdout]             `[[column::BaseColumn; 96]]: Iterator`
[INFO] [stdout]             which is required by `&mut [[column::BaseColumn; 96]]: Iterator`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0282, E0599, E0635.
[INFO] [stdout] 
[INFO] [stdout] For more information about an error, try `rustc --explain E0282`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `stwo-prover` (lib) due to 20 previous errors
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] running `Command { std: "docker" "inspect" "4ebc5ae3b629b2470dab1b77d5ec92a8543037db42fe9f35e498fd789d4db0f2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4ebc5ae3b629b2470dab1b77d5ec92a8543037db42fe9f35e498fd789d4db0f2", kill_on_drop: false }`
[INFO] [stdout] 4ebc5ae3b629b2470dab1b77d5ec92a8543037db42fe9f35e498fd789d4db0f2
