[INFO] fetching crate stwo-cairo-common 1.2.2...
[INFO] testing stwo-cairo-common-1.2.2 against beta-2026-04-21 for beta-1.96-2
[INFO] extracting crate stwo-cairo-common 1.2.2 into /workspace/builds/worker-4-tc2/source
[INFO] started tweaking crates.io crate stwo-cairo-common 1.2.2
[INFO] finished tweaking crates.io crate stwo-cairo-common 1.2.2
[INFO] tweaked toml for crates.io crate stwo-cairo-common 1.2.2 written to /workspace/builds/worker-4-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate stwo-cairo-common 1.2.2 on toolchain beta-2026-04-21
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2026-04-21" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate stwo-cairo-common 1.2.2 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" "+beta-2026-04-21" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/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" "+beta-2026-04-21" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 55e8624f83a0918dc803475c4fed809e4bab856fd3dac8b87c8a0632b56e14d7
[INFO] running `Command { std: "docker" "start" "-a" "55e8624f83a0918dc803475c4fed809e4bab856fd3dac8b87c8a0632b56e14d7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "55e8624f83a0918dc803475c4fed809e4bab856fd3dac8b87c8a0632b56e14d7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "55e8624f83a0918dc803475c4fed809e4bab856fd3dac8b87c8a0632b56e14d7", kill_on_drop: false }`
[INFO] [stdout] 55e8624f83a0918dc803475c4fed809e4bab856fd3dac8b87c8a0632b56e14d7
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/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" "+beta-2026-04-21" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 0a1435c0b5bd534ea089b9820e84a2c768f6f0a2f593373a7a1160577091efed
[INFO] running `Command { std: "docker" "start" "-a" "0a1435c0b5bd534ea089b9820e84a2c768f6f0a2f593373a7a1160577091efed", kill_on_drop: false }`
[INFO] [stderr]    Compiling zerocopy v0.8.37
[INFO] [stderr]    Compiling rand_core v0.6.4
[INFO] [stderr]    Compiling num-traits v0.2.19
[INFO] [stderr]    Compiling crypto-bigint v0.5.5
[INFO] [stderr]    Compiling itertools v0.10.5
[INFO] [stderr]    Compiling hex v0.4.3
[INFO] [stderr]    Compiling syn v2.0.114
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]    Compiling crypto-common v0.1.7
[INFO] [stderr]    Compiling cc v1.2.55
[INFO] [stderr]    Compiling digest v0.10.7
[INFO] [stderr]    Compiling thiserror v2.0.18
[INFO] [stderr]    Compiling hashbrown v0.16.1
[INFO] [stderr]    Compiling parking_lot_core v0.9.12
[INFO] [stderr]    Compiling keccak v0.1.5
[INFO] [stderr]    Compiling sha2 v0.10.9
[INFO] [stderr]    Compiling blake2 v0.10.6
[INFO] [stderr]    Compiling hmac v0.12.1
[INFO] [stderr]    Compiling rfc6979 v0.4.0
[INFO] [stderr]    Compiling tracing v0.1.44
[INFO] [stderr]    Compiling sha3 v0.10.8
[INFO] [stderr]    Compiling dashmap v6.1.0
[INFO] [stderr]    Compiling tracing-subscriber v0.3.22
[INFO] [stderr]    Compiling stwo-std-shims v1.0.0
[INFO] [stderr]    Compiling fnv v1.0.7
[INFO] [stderr]    Compiling ruint-macro v1.2.1
[INFO] [stderr]    Compiling rayon v1.11.0
[INFO] [stderr]    Compiling ruint v1.17.2
[INFO] [stderr]    Compiling indexmap v2.13.0
[INFO] [stderr]    Compiling num-integer v0.1.46
[INFO] [stderr]    Compiling blake3 v1.8.3
[INFO] [stderr]    Compiling num-bigint v0.4.6
[INFO] [stderr]    Compiling ppv-lite86 v0.2.21
[INFO] [stderr]    Compiling rand_chacha v0.3.1
[INFO] [stderr]    Compiling rand v0.8.5
[INFO] [stderr]    Compiling ark-std v0.4.0
[INFO] [stderr]    Compiling ark-ff-asm v0.4.2
[INFO] [stderr]    Compiling ark-ff-macros v0.4.2
[INFO] [stderr]    Compiling derivative v2.2.0
[INFO] [stderr]    Compiling ark-serialize v0.4.2
[INFO] [stderr]    Compiling lambdaworks-math v0.13.0
[INFO] [stderr]    Compiling zeroize_derive v1.4.3
[INFO] [stderr]    Compiling serde_derive v1.0.228
[INFO] [stderr]    Compiling enum-ordinalize-derive v4.3.2
[INFO] [stderr]    Compiling thiserror-impl v2.0.18
[INFO] [stderr]    Compiling bytemuck_derive v1.10.2
[INFO] [stderr]    Compiling stwo-cairo-serialize-derive v1.2.2
[INFO] [stderr]    Compiling enum-ordinalize v4.3.2
[INFO] [stderr]    Compiling educe v0.5.11
[INFO] [stderr]    Compiling zeroize v1.8.2
[INFO] [stderr]    Compiling ark-ff v0.4.2
[INFO] [stderr]    Compiling bytemuck v1.25.0
[INFO] [stderr]    Compiling serde v1.0.228
[INFO] [stderr]    Compiling lambdaworks-crypto v0.13.0
[INFO] [stderr]    Compiling serde_arrays v0.1.0
[INFO] [stderr]    Compiling starknet-types-core v0.2.4
[INFO] [stderr]    Compiling starknet-ff v0.3.7
[INFO] [stderr]    Compiling starknet-curve v0.4.2
[INFO] [stderr]    Compiling starknet-crypto-codegen v0.3.3
[INFO] [stderr]    Compiling starknet-crypto v0.6.2
[INFO] [stderr]    Compiling stwo v2.2.0
[INFO] [stderr]    Compiling starknet-curve v0.6.0
[INFO] [stderr]    Compiling stwo-constraint-framework v2.2.0
[INFO] [stderr]    Compiling stwo-cairo-serialize v1.2.2
[INFO] [stderr]    Compiling stwo-cairo-common v1.2.2 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 44.95s
[INFO] running `Command { std: "docker" "inspect" "0a1435c0b5bd534ea089b9820e84a2c768f6f0a2f593373a7a1160577091efed", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0a1435c0b5bd534ea089b9820e84a2c768f6f0a2f593373a7a1160577091efed", kill_on_drop: false }`
[INFO] [stdout] 0a1435c0b5bd534ea089b9820e84a2c768f6f0a2f593373a7a1160577091efed
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/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" "+beta-2026-04-21" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 687f729bdccbd992bdad287836abf2745d5a79b5e09bf9b24354e81cc246f59e
[INFO] running `Command { std: "docker" "start" "-a" "687f729bdccbd992bdad287836abf2745d5a79b5e09bf9b24354e81cc246f59e", kill_on_drop: false }`
[INFO] [stderr]    Compiling rand_core v0.6.4
[INFO] [stderr]    Compiling getrandom v0.2.17
[INFO] [stderr]    Compiling ppv-lite86 v0.2.21
[INFO] [stderr]    Compiling rand_chacha v0.3.1
[INFO] [stderr]    Compiling rand v0.8.5
[INFO] [stderr]    Compiling ark-std v0.4.0
[INFO] [stderr]    Compiling ark-serialize v0.4.2
[INFO] [stderr]    Compiling lambdaworks-math v0.13.0
[INFO] [stderr]    Compiling ark-ff v0.4.2
[INFO] [stderr]    Compiling lambdaworks-crypto v0.13.0
[INFO] [stderr]    Compiling starknet-types-core v0.2.4
[INFO] [stderr]    Compiling starknet-ff v0.3.7
[INFO] [stderr]    Compiling starknet-curve v0.4.2
[INFO] [stderr]    Compiling starknet-crypto-codegen v0.3.3
[INFO] [stderr]    Compiling starknet-crypto v0.6.2
[INFO] [stderr]    Compiling starknet-curve v0.6.0
[INFO] [stderr]    Compiling stwo v2.2.0
[INFO] [stderr]    Compiling stwo-constraint-framework v2.2.0
[INFO] [stderr]    Compiling stwo-cairo-serialize v1.2.2
[INFO] [stderr]    Compiling stwo-cairo-common v1.2.2 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0433]: cannot find `prover` in `stwo`
[INFO] [stdout]    --> src/preprocessed_columns/preprocessed_trace.rs:423:15
[INFO] [stdout]     |
[INFO] [stdout] 423 |     use stwo::prover::backend::Column;
[INFO] [stdout]     |               ^^^^^^ could not find `prover` in `stwo`
[INFO] [stdout]     |
[INFO] [stdout] note: found an item that was configured out
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/stwo-2.2.0/src/lib.rs:14:9
[INFO] [stdout]     |
[INFO] [stdout]  13 | #[cfg(feature = "prover")]
[INFO] [stdout]     |       ------------------ the item is gated behind the `prover` feature
[INFO] [stdout]  14 | pub mod prover;
[INFO] [stdout]     |         ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0433`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `stwo-cairo-common` (lib test) due to 1 previous error
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] running `Command { std: "docker" "inspect" "687f729bdccbd992bdad287836abf2745d5a79b5e09bf9b24354e81cc246f59e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "687f729bdccbd992bdad287836abf2745d5a79b5e09bf9b24354e81cc246f59e", kill_on_drop: false }`
[INFO] [stdout] 687f729bdccbd992bdad287836abf2745d5a79b5e09bf9b24354e81cc246f59e
