[INFO] fetching crate proof_gen 0.4.0...
[INFO] testing proof_gen-0.4.0 against master#c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38 for pr-146098-8
[INFO] extracting crate proof_gen 0.4.0 into /workspace/builds/worker-0-tc1/source
[INFO] started tweaking crates.io crate proof_gen 0.4.0
[INFO] finished tweaking crates.io crate proof_gen 0.4.0
[INFO] tweaked toml for crates.io crate proof_gen 0.4.0 written to /workspace/builds/worker-0-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate proof_gen 0.4.0 on toolchain c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 154 packages to latest compatible versions
[INFO] [stderr]       Adding evm_arithmetization v0.4.0 (available: v0.5.1)
[INFO] [stderr]       Adding generic-array v0.14.7 (available: v0.14.9)
[INFO] [stderr]       Adding plonky2 v0.2.2 (available: v1.1.0)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded plonky2_util v0.2.0
[INFO] [stderr]   Downloaded unroll v0.1.5
[INFO] [stderr]   Downloaded plonky2_maybe_rayon v0.2.0
[INFO] [stderr]   Downloaded zk_evm_proc_macro v0.1.0
[INFO] [stderr]   Downloaded keccak-hash v0.8.0
[INFO] [stderr]   Downloaded starky v0.4.0
[INFO] [stderr]   Downloaded plonky2_field v0.2.2
[INFO] [stderr]   Downloaded mpt_trie v0.4.1
[INFO] [stderr]   Downloaded plonky2 v0.2.2
[INFO] [stderr]   Downloaded evm_arithmetization v0.4.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 6a691a1f3643376f0658a43b3991f8a7c51f96e058dbd2bb128ea618e483a6ac
[INFO] running `Command { std: "docker" "start" "-a" "6a691a1f3643376f0658a43b3991f8a7c51f96e058dbd2bb128ea618e483a6ac", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "6a691a1f3643376f0658a43b3991f8a7c51f96e058dbd2bb128ea618e483a6ac", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6a691a1f3643376f0658a43b3991f8a7c51f96e058dbd2bb128ea618e483a6ac", kill_on_drop: false }`
[INFO] [stdout] 6a691a1f3643376f0658a43b3991f8a7c51f96e058dbd2bb128ea618e483a6ac
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 92200a95d6021bb72a53fe1a57f5f2713e3e5f16fde69f87c5f2fc7aeeee1fc4
[INFO] running `Command { std: "docker" "start" "-a" "92200a95d6021bb72a53fe1a57f5f2713e3e5f16fde69f87c5f2fc7aeeee1fc4", kill_on_drop: false }`
[INFO] [stderr]    Compiling serde_core v1.0.228
[INFO] [stderr]    Compiling serde v1.0.228
[INFO] [stderr]    Compiling crunchy v0.2.4
[INFO] [stderr]    Compiling getrandom v0.2.16
[INFO] [stderr]    Compiling tiny-keccak v2.0.2
[INFO] [stderr]    Compiling rlp v0.5.2
[INFO] [stderr]    Compiling once_cell v1.21.3
[INFO] [stderr]    Compiling rand_core v0.6.4
[INFO] [stderr]    Compiling uint v0.9.5
[INFO] [stderr]    Compiling rand_chacha v0.3.1
[INFO] [stderr]    Compiling impl-rlp v0.3.0
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]    Compiling ahash v0.8.12
[INFO] [stderr]    Compiling const_format_proc_macros v0.2.34
[INFO] [stderr]    Compiling parity-scale-codec v3.7.5
[INFO] [stderr]    Compiling rayon v1.11.0
[INFO] [stderr]    Compiling rand v0.8.5
[INFO] [stderr]    Compiling regex-syntax v0.8.8
[INFO] [stderr]    Compiling const-random-macro v0.1.16
[INFO] [stderr]    Compiling primitive-types v0.10.1
[INFO] [stderr]    Compiling const-random v0.1.18
[INFO] [stderr]    Compiling itertools v0.11.0
[INFO] [stderr]    Compiling const_format v0.2.35
[INFO] [stderr]    Compiling num-bigint v0.4.6
[INFO] [stderr]    Compiling fixed-hash v0.8.0
[INFO] [stderr]    Compiling num-complex v0.4.6
[INFO] [stderr]    Compiling regex-automata v0.4.13
[INFO] [stderr]    Compiling impl-trait-for-tuples v0.2.3
[INFO] [stderr]    Compiling smallvec v1.15.1
[INFO] [stderr]    Compiling num-rational v0.4.2
[INFO] [stderr]    Compiling plonky2_util v0.2.0
[INFO] [stderr]    Compiling num v0.4.3
[INFO] [stderr]    Compiling parking_lot_core v0.9.12
[INFO] [stderr]    Compiling plonky2_maybe_rayon v0.2.0
[INFO] [stderr]    Compiling keccak-hash v0.8.0
[INFO] [stderr]    Compiling integer-sqrt v0.1.5
[INFO] [stderr]    Compiling thiserror-impl v1.0.69
[INFO] [stderr]    Compiling web-time v1.1.0
[INFO] [stderr]    Compiling enum-as-inner v0.6.1
[INFO] [stderr]    Compiling impl-num-traits v0.1.2
[INFO] [stderr]    Compiling impl-serde v0.4.0
[INFO] [stderr]    Compiling lock_api v0.4.14
[INFO] [stderr]    Compiling hashbrown v0.14.5
[INFO] [stderr]    Compiling primitive-types v0.12.2
[INFO] [stderr]    Compiling ethbloom v0.13.0
[INFO] [stderr]    Compiling parking_lot v0.12.5
[INFO] [stderr]    Compiling pest_generator v2.8.3
[INFO] [stderr]    Compiling unroll v0.1.5
[INFO] [stderr]    Compiling serde_json v1.0.145
[INFO] [stderr]    Compiling plonky2_field v0.2.2
[INFO] [stderr]    Compiling sha2 v0.10.9
[INFO] [stderr]    Compiling impl-codec v0.6.0
[INFO] [stderr]    Compiling pest_derive v2.8.3
[INFO] [stderr]    Compiling rlp-derive v0.1.0
[INFO] [stderr]    Compiling regex v1.12.2
[INFO] [stderr]    Compiling plonky2 v0.2.2
[INFO] [stderr]    Compiling ethereum-types v0.14.1
[INFO] [stderr]    Compiling keccak-hash v0.10.0
[INFO] [stderr]    Compiling thiserror v1.0.69
[INFO] [stderr]    Compiling itertools v0.13.0
[INFO] [stderr]    Compiling zk_evm_proc_macro v0.1.0
[INFO] [stderr]    Compiling env_filter v0.1.4
[INFO] [stderr]    Compiling hex-literal v0.4.1
[INFO] [stderr]    Compiling mpt_trie v0.4.1
[INFO] [stderr]    Compiling env_logger v0.11.8
[INFO] [stderr]    Compiling starky v0.4.0
[INFO] [stderr]    Compiling evm_arithmetization v0.4.0
[INFO] [stdout] error: let chains are only allowed in Rust 2024 or later
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/evm_arithmetization-0.4.0/src/cpu/kernel/optimizer.rs:102:12
[INFO] [stdout]     |
[INFO] [stdout] 102 |         if let [Push(Label(l)), StandardOp(jump), decl] = window
[INFO] [stdout]     |            ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: let chains are only allowed in Rust 2024 or later
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/evm_arithmetization-0.4.0/src/cpu/kernel/optimizer.rs:117:12
[INFO] [stdout]     |
[INFO] [stdout] 117 |         if let [Push(x), Push(y), StandardOp(swap1)] = window
[INFO] [stdout]     |            ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: let chains are only allowed in Rust 2024 or later
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/evm_arithmetization-0.4.0/src/cpu/kernel/optimizer.rs:130:12
[INFO] [stdout]     |
[INFO] [stdout] 130 |         if let [StandardOp(swap1), StandardOp(f)] = window
[INFO] [stdout]     |            ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: let chains are only allowed in Rust 2024 or later
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/evm_arithmetization-0.4.0/src/cpu/kernel/optimizer.rs:146:12
[INFO] [stdout]     |
[INFO] [stdout] 146 |         if let StandardOp(pop) = b
[INFO] [stdout]     |            ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: let chains are only allowed in Rust 2024 or later
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/evm_arithmetization-0.4.0/src/cpu/kernel/stack/stack_manipulation.rs:140:16
[INFO] [stdout]     |
[INFO] [stdout] 140 |             if let Occupied(e) = &entry
[INFO] [stdout]     |                ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: let chains are only allowed in Rust 2024 or later
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/evm_arithmetization-0.4.0/src/cpu/kernel/stack/stack_manipulation.rs:211:8
[INFO] [stdout]     |
[INFO] [stdout] 211 |     if let Some(top) = src.last()
[INFO] [stdout]     |        ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: let chains are only allowed in Rust 2024 or later
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/evm_arithmetization-0.4.0/src/generation/prover_input.rs:305:12
[INFO] [stdout]     |
[INFO] [stdout] 305 |         if let Some(ctx_jumpdest_table) = jumpdest_table.get_mut(&context)
[INFO] [stdout]     |            ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: let chains are only allowed in Rust 2024 or later
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/evm_arithmetization-0.4.0/src/generation/prover_input.rs:306:16
[INFO] [stdout]     |
[INFO] [stdout] 306 |             && let Some(next_jumpdest_address) = ctx_jumpdest_table.pop()
[INFO] [stdout]     |                ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: let chains are only allowed in Rust 2024 or later
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/evm_arithmetization-0.4.0/src/generation/prover_input.rs:324:12
[INFO] [stdout]     |
[INFO] [stdout] 324 |         if let Some(ctx_jumpdest_table) = jumpdest_table.get_mut(&context)
[INFO] [stdout]     |            ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: let chains are only allowed in Rust 2024 or later
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/evm_arithmetization-0.4.0/src/generation/prover_input.rs:325:16
[INFO] [stdout]     |
[INFO] [stdout] 325 |             && let Some(next_jumpdest_proof) = ctx_jumpdest_table.pop()
[INFO] [stdout]     |                ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `evm_arithmetization` (lib) due to 10 previous errors
[INFO] running `Command { std: "docker" "inspect" "92200a95d6021bb72a53fe1a57f5f2713e3e5f16fde69f87c5f2fc7aeeee1fc4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "92200a95d6021bb72a53fe1a57f5f2713e3e5f16fde69f87c5f2fc7aeeee1fc4", kill_on_drop: false }`
[INFO] [stdout] 92200a95d6021bb72a53fe1a57f5f2713e3e5f16fde69f87c5f2fc7aeeee1fc4
