[INFO] cloning repository https://github.com/mm-zk/ethproofs-verifier
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/mm-zk/ethproofs-verifier" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmm-zk%2Fethproofs-verifier", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmm-zk%2Fethproofs-verifier'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 2071f86b24661b9d729d40692c807d41ca86c25e
[INFO] testing mm-zk/ethproofs-verifier against beta-2026-04-21 for beta-1.96-2
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmm-zk%2Fethproofs-verifier" "/workspace/builds/worker-6-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-6-tc2/source'...
[INFO] [stderr] done.
[INFO] removed /workspace/builds/worker-6-tc2/source/rust-toolchain.toml
[INFO] started tweaking git repo https://github.com/mm-zk/ethproofs-verifier
[INFO] finished tweaking git repo https://github.com/mm-zk/ethproofs-verifier
[INFO] tweaked toml for git repo https://github.com/mm-zk/ethproofs-verifier written to /workspace/builds/worker-6-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/mm-zk/ethproofs-verifier 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 git repo https://github.com/mm-zk/ethproofs-verifier 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-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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] f2e35f5ebbdde313459cc3c3431fa4aac59bb318f7d8702efdb2ae1eeda17f6c
[INFO] running `Command { std: "docker" "start" "-a" "f2e35f5ebbdde313459cc3c3431fa4aac59bb318f7d8702efdb2ae1eeda17f6c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "f2e35f5ebbdde313459cc3c3431fa4aac59bb318f7d8702efdb2ae1eeda17f6c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f2e35f5ebbdde313459cc3c3431fa4aac59bb318f7d8702efdb2ae1eeda17f6c", kill_on_drop: false }`
[INFO] [stdout] f2e35f5ebbdde313459cc3c3431fa4aac59bb318f7d8702efdb2ae1eeda17f6c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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] fffda51f88921bf0bb0f2a678d7d333e9514d10f59a4fe4ec0db3d668bd62c94
[INFO] running `Command { std: "docker" "start" "-a" "fffda51f88921bf0bb0f2a678d7d333e9514d10f59a4fe4ec0db3d668bd62c94", kill_on_drop: false }`
[INFO] [stderr]    Compiling unicode-ident v1.0.22
[INFO] [stderr]    Compiling proc-macro2 v1.0.103
[INFO] [stderr]    Compiling libc v0.2.177
[INFO] [stderr]    Compiling serde_core v1.0.228
[INFO] [stderr]    Compiling zerocopy v0.8.28
[INFO] [stderr]    Compiling quote v1.0.42
[INFO] [stderr]    Compiling serde v1.0.228
[INFO] [stderr]    Compiling crossbeam-utils v0.8.21
[INFO] [stderr]    Compiling getrandom v0.3.4
[INFO] [stderr]    Compiling rayon-core v1.13.0
[INFO] [stderr]    Compiling portable-atomic v1.11.1
[INFO] [stderr]    Compiling crunchy v0.2.4
[INFO] [stderr]    Compiling either v1.15.0
[INFO] [stderr]    Compiling tiny-keccak v2.0.2
[INFO] [stderr]    Compiling crossbeam-epoch v0.9.18
[INFO] [stderr]    Compiling syn v2.0.110
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]    Compiling once_cell v1.21.3
[INFO] [stderr]    Compiling crossbeam-deque v0.8.6
[INFO] [stderr]    Compiling getrandom v0.2.16
[INFO] [stderr]    Compiling crc32fast v1.5.0
[INFO] [stderr]    Compiling num_cpus v1.17.0
[INFO] [stderr]    Compiling rand_core v0.9.3
[INFO] [stderr]    Compiling seq-macro v0.3.6
[INFO] [stderr]    Compiling const-random-macro v0.1.16
[INFO] [stderr]    Compiling smartstring v1.0.1
[INFO] [stderr]    Compiling rayon v1.11.0
[INFO] [stderr]    Compiling ahash v0.8.12
[INFO] [stderr]    Compiling adler2 v2.0.1
[INFO] [stderr]    Compiling simd-adler32 v0.3.7
[INFO] [stderr]    Compiling miniz_oxide v0.8.9
[INFO] [stderr]    Compiling const-random v0.1.18
[INFO] [stderr]    Compiling log v0.4.28
[INFO] [stderr]    Compiling rustc-hash v2.1.1
[INFO] [stderr]    Compiling ppv-lite86 v0.2.21
[INFO] [stderr]    Compiling common_constants v0.1.0 (https://github.com/matter-labs/zksync-airbender?tag=dev-v0.8.2#439c0e80)
[INFO] [stderr]    Compiling flate2 v1.1.5
[INFO] [stderr]    Compiling type-map v0.5.1
[INFO] [stderr]    Compiling rand_chacha v0.9.0
[INFO] [stderr]    Compiling itertools v0.14.0
[INFO] [stderr]    Compiling twox-hash v1.6.3
[INFO] [stderr]    Compiling rand v0.9.2
[INFO] [stderr]    Compiling thin-vec v0.2.14
[INFO] [stderr]    Compiling cpp_demangle v0.4.5
[INFO] [stderr]    Compiling arrayvec v0.7.6
[INFO] [stderr]    Compiling byteorder v1.5.0
[INFO] [stderr]    Compiling serde_json v1.0.145
[INFO] [stderr]    Compiling smallvec v1.15.1
[INFO] [stderr]    Compiling bitflags v2.10.0
[INFO] [stderr]    Compiling clap_builder v4.5.51
[INFO] [stderr]    Compiling env_filter v0.1.4
[INFO] [stderr]    Compiling non_determinism_source v0.1.0 (https://github.com/matter-labs/zksync-airbender?tag=dev-v0.8.2#439c0e80)
[INFO] [stderr]    Compiling stable_deref_trait v1.2.1
[INFO] [stderr]    Compiling twox-hash v2.1.2
[INFO] [stderr]    Compiling object v0.37.3
[INFO] [stderr]    Compiling bytemuck v1.24.0
[INFO] [stderr]    Compiling indexmap v2.12.1
[INFO] [stderr]    Compiling rgb v0.8.52
[INFO] [stderr]    Compiling worker v0.1.0 (https://github.com/matter-labs/zksync-airbender?tag=dev-v0.8.2#439c0e80)
[INFO] [stderr]    Compiling ruzstd v0.8.2
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the beta release channel
[INFO] [stdout]  --> /opt/rustwide/cargo-home/git/checkouts/zksync-airbender-8ab8222a00c65218/439c0e8/worker/src/lib.rs:1:1
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![feature(raw_slice_split)]
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0554`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `worker` (lib) due to 1 previous error
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] running `Command { std: "docker" "inspect" "fffda51f88921bf0bb0f2a678d7d333e9514d10f59a4fe4ec0db3d668bd62c94", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fffda51f88921bf0bb0f2a678d7d333e9514d10f59a4fe4ec0db3d668bd62c94", kill_on_drop: false }`
[INFO] [stdout] fffda51f88921bf0bb0f2a678d7d333e9514d10f59a4fe4ec0db3d668bd62c94
