[INFO] fetching crate obelyzk 0.4.0...
[INFO] testing obelyzk-0.4.0 against 1.95.0 for beta-1.96-2
[INFO] extracting crate obelyzk 0.4.0 into /workspace/builds/worker-5-tc1/source
[INFO] removed /workspace/builds/worker-5-tc1/source/rust-toolchain.toml
[INFO] started tweaking crates.io crate obelyzk 0.4.0
[INFO] removed 0 missing examples
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[INFO] finished tweaking crates.io crate obelyzk 0.4.0
[INFO] tweaked toml for crates.io crate obelyzk 0.4.0 written to /workspace/builds/worker-5-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate obelyzk 0.4.0 on toolchain 1.95.0
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.95.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate obelyzk 0.4.0 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.95.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
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[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+1.95.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] db2b5dafe5306c290787d4c20e902eeaffec760e246bf33c7c0358b41f28c50a
[INFO] running `Command { std: "docker" "start" "-a" "db2b5dafe5306c290787d4c20e902eeaffec760e246bf33c7c0358b41f28c50a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "db2b5dafe5306c290787d4c20e902eeaffec760e246bf33c7c0358b41f28c50a", kill_on_drop: false }`
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[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+1.95.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] c218d7fa590d3963f284119a565f2a3e44476a91da16ffe1a6f9b9b41de0c0d5
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[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the stable release channel
[INFO] [stdout]   --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/stwo-gpu-2.0.0/src/lib.rs:14:5
[INFO] [stdout]    |
[INFO] [stdout] 14 |     feature(array_chunks, iter_array_chunks, portable_simd, slice_ptr_get)
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0635]: unknown feature `array_chunks`
[INFO] [stdout]   --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/stwo-gpu-2.0.0/src/lib.rs:14:13
[INFO] [stdout]    |
[INFO] [stdout] 14 |     feature(array_chunks, iter_array_chunks, portable_simd, slice_ptr_get)
[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/registry/src/index.crates.io-1949cf8c6b5b557f/stwo-gpu-2.0.0/src/prover/backend/cpu/circle.rs:246:14
[INFO] [stdout]     |
[INFO] [stdout] 245 | /         twiddles
[INFO] [stdout] 246 | |             .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] 246 |             .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/registry/src/index.crates.io-1949cf8c6b5b557f/stwo-gpu-2.0.0/src/prover/backend/cpu/circle.rs:247:28
[INFO] [stdout]     |
[INFO] [stdout] 247 |             .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/59807616e1fa2540724bfbac14d7976d7e4a3860/library/core/src/slice/mod.rs:1730:4
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: `&Mle<CpuBackend, QM31>` is not an iterator
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/stwo-gpu-2.0.0/src/prover/backend/cpu/lookups/gkr.rs:234:21
[INFO] [stdout]     |
[INFO] [stdout] 234 |     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/registry/src/index.crates.io-1949cf8c6b5b557f/stwo-gpu-2.0.0/src/prover/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/59807616e1fa2540724bfbac14d7976d7e4a3860/library/core/src/iter/traits/iterator.rs:41:0
[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/registry/src/index.crates.io-1949cf8c6b5b557f/stwo-gpu-2.0.0/src/prover/backend/simd/circle.rs:200:49
[INFO] [stdout]     |
[INFO] [stdout] 200 |             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] 200 |             for (i, coeff_chunk) in coeff_chunk.into_iter().array_chunks::<N_LANES>().enumerate() {
[INFO] [stdout]     |                                                 ++++++++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0308]: mismatched types
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/stwo-gpu-2.0.0/src/prover/backend/simd/column.rs:134:16
[INFO] [stdout]     |
[INFO] [stdout] 134 |         if let Some(remainder) = chunks.into_remainder() {
[INFO] [stdout]     |                ^^^^^^^^^^^^^^^   ----------------------- this expression has type `std::array::IntoIter<M31, 16>`
[INFO] [stdout]     |                |
[INFO] [stdout]     |                expected `IntoIter<M31, 16>`, found `Option<_>`
[INFO] [stdout]     |
[INFO] [stdout]     = note: expected struct `std::array::IntoIter<M31, 16>`
[INFO] [stdout]                  found enum `std::option::Option<_>`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0308]: mismatched types
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/stwo-gpu-2.0.0/src/prover/backend/simd/column.rs:215:16
[INFO] [stdout]     |
[INFO] [stdout] 215 |         if let Some(remainder) = chunks.into_remainder() {
[INFO] [stdout]     |                ^^^^^^^^^^^^^^^   ----------------------- this expression has type `std::array::IntoIter<CM31, 16>`
[INFO] [stdout]     |                |
[INFO] [stdout]     |                expected `IntoIter<CM31, 16>`, found `Option<_>`
[INFO] [stdout]     |
[INFO] [stdout]     = note: expected struct `std::array::IntoIter<CM31, 16>`
[INFO] [stdout]                  found enum `std::option::Option<_>`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0308]: mismatched types
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/stwo-gpu-2.0.0/src/prover/backend/simd/column.rs:349:16
[INFO] [stdout]     |
[INFO] [stdout] 349 |         if let Some(remainder) = chunks.into_remainder() {
[INFO] [stdout]     |                ^^^^^^^^^^^^^^^   ----------------------- this expression has type `std::array::IntoIter<QM31, 16>`
[INFO] [stdout]     |                |
[INFO] [stdout]     |                expected `IntoIter<QM31, 16>`, found `Option<_>`
[INFO] [stdout]     |
[INFO] [stdout]     = note: expected struct `std::array::IntoIter<QM31, 16>`
[INFO] [stdout]                  found enum `std::option::Option<_>`
[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/registry/src/index.crates.io-1949cf8c6b5b557f/stwo-gpu-2.0.0/src/prover/backend/simd/lookups/gkr.rs:137:10
[INFO] [stdout]     |
[INFO] [stdout] 135 |       let data = layer
[INFO] [stdout]     |  ________________-
[INFO] [stdout] 136 | |         .data
[INFO] [stdout] 137 | |         .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] 137 |         .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/registry/src/index.crates.io-1949cf8c6b5b557f/stwo-gpu-2.0.0/src/prover/backend/simd/prefix_sum.rs:36:46
[INFO] [stdout]    |
[INFO] [stdout] 36 |     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/59807616e1fa2540724bfbac14d7976d7e4a3860/library/core/src/slice/mod.rs:1730:4
[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/registry/src/index.crates.io-1949cf8c6b5b557f/stwo-gpu-2.0.0/src/prover/backend/simd/prefix_sum.rs:36:73
[INFO] [stdout]    |
[INFO] [stdout] 36 |     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/59807616e1fa2540724bfbac14d7976d7e4a3860/library/core/src/slice/mod.rs:1730:4
[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/registry/src/index.crates.io-1949cf8c6b5b557f/stwo-gpu-2.0.0/src/prover/backend/simd/prefix_sum.rs:59:18
[INFO] [stdout]    |
[INFO] [stdout] 59 |         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/59807616e1fa2540724bfbac14d7976d7e4a3860/library/core/src/slice/mod.rs:1730:4
[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/registry/src/index.crates.io-1949cf8c6b5b557f/stwo-gpu-2.0.0/src/prover/backend/simd/prefix_sum.rs:59:44
[INFO] [stdout]    |
[INFO] [stdout] 59 |         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] 59 |         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/registry/src/index.crates.io-1949cf8c6b5b557f/stwo-gpu-2.0.0/src/prover/backend/simd/prefix_sum.rs:87:18
[INFO] [stdout]    |
[INFO] [stdout] 87 |         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/59807616e1fa2540724bfbac14d7976d7e4a3860/library/core/src/slice/mod.rs:1730:4
[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/registry/src/index.crates.io-1949cf8c6b5b557f/stwo-gpu-2.0.0/src/prover/backend/simd/prefix_sum.rs:87:44
[INFO] [stdout]    |
[INFO] [stdout] 87 |         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/59807616e1fa2540724bfbac14d7976d7e4a3860/library/core/src/slice/mod.rs:1730:4
[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/registry/src/index.crates.io-1949cf8c6b5b557f/stwo-gpu-2.0.0/src/prover/backend/simd/prefix_sum.rs:101:46
[INFO] [stdout]     |
[INFO] [stdout] 101 |     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/59807616e1fa2540724bfbac14d7976d7e4a3860/library/core/src/slice/mod.rs:1730:4
[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/registry/src/index.crates.io-1949cf8c6b5b557f/stwo-gpu-2.0.0/src/prover/backend/simd/prefix_sum.rs:101:73
[INFO] [stdout]     |
[INFO] [stdout] 101 |     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/59807616e1fa2540724bfbac14d7976d7e4a3860/library/core/src/slice/mod.rs:1730:4
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0308, E0554, E0599, E0635.
[INFO] [stdout] 
[INFO] [stdout] For more information about an error, try `rustc --explain E0308`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `stwo-gpu` (lib) due to 18 previous errors
[INFO] running `Command { std: "docker" "inspect" "c218d7fa590d3963f284119a565f2a3e44476a91da16ffe1a6f9b9b41de0c0d5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c218d7fa590d3963f284119a565f2a3e44476a91da16ffe1a6f9b9b41de0c0d5", kill_on_drop: false }`
[INFO] [stdout] c218d7fa590d3963f284119a565f2a3e44476a91da16ffe1a6f9b9b41de0c0d5
