[INFO] fetching crate starky 1.1.0...
[INFO] testing starky-1.1.0 against 1.90.0 for beta-1.91-3
[INFO] extracting crate starky 1.1.0 into /workspace/builds/worker-3-tc1/source
[INFO] removed /workspace/builds/worker-3-tc1/source/.cargo/config.toml
[INFO] started tweaking crates.io crate starky 1.1.0
[INFO] finished tweaking crates.io crate starky 1.1.0
[INFO] tweaked toml for crates.io crate starky 1.1.0 written to /workspace/builds/worker-3-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate starky 1.1.0 on toolchain 1.90.0
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.90.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate starky 1.1.0 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" "+1.90.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded wasm-bindgen-shared v0.2.97
[INFO] [stderr]   Downloaded wasm-bindgen-macro v0.2.97
[INFO] [stderr]   Downloaded js-sys v0.3.74
[INFO] [stderr]   Downloaded wasm-bindgen-backend v0.2.97
[INFO] [stderr]   Downloaded plonky2_util v1.0.0
[INFO] [stderr]   Downloaded plonky2_field v1.0.0
[INFO] [stderr]   Downloaded wasm-bindgen-macro-support v0.2.97
[INFO] [stderr]   Downloaded wasm-bindgen v0.2.97
[INFO] [stderr]   Downloaded plonky2_maybe_rayon v1.0.0
[INFO] [stderr]   Downloaded plonky2 v1.1.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+1.90.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 30c992b9cb18b30e8e0f6ec5d32d7baa500eb80c630771d18395c4d65f02f535
[INFO] running `Command { std: "docker" "start" "-a" "30c992b9cb18b30e8e0f6ec5d32d7baa500eb80c630771d18395c4d65f02f535", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "30c992b9cb18b30e8e0f6ec5d32d7baa500eb80c630771d18395c4d65f02f535", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "30c992b9cb18b30e8e0f6ec5d32d7baa500eb80c630771d18395c4d65f02f535", kill_on_drop: false }`
[INFO] [stdout] 30c992b9cb18b30e8e0f6ec5d32d7baa500eb80c630771d18395c4d65f02f535
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+1.90.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] e5c16ba5ae05c7b0490c47434b4b3c25c303725a52db5d565160f7a53c4335cc
[INFO] running `Command { std: "docker" "start" "-a" "e5c16ba5ae05c7b0490c47434b4b3c25c303725a52db5d565160f7a53c4335cc", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.167
[INFO] [stderr]    Compiling crossbeam-utils v0.8.20
[INFO] [stderr]    Compiling crunchy v0.2.2
[INFO] [stderr]    Compiling tiny-keccak v2.0.2
[INFO] [stderr]    Compiling quote v1.0.37
[INFO] [stderr]    Compiling once_cell v1.20.2
[INFO] [stderr]    Compiling serde v1.0.215
[INFO] [stderr]    Compiling ahash v0.8.11
[INFO] [stderr]    Compiling anyhow v1.0.93
[INFO] [stderr]    Compiling hex v0.4.3
[INFO] [stderr]    Compiling num-iter v0.1.45
[INFO] [stderr]    Compiling fixed-hash v0.7.0
[INFO] [stderr]    Compiling itertools v0.11.0
[INFO] [stderr]    Compiling plonky2_util v1.0.0
[INFO] [stderr]    Compiling syn v2.0.90
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]    Compiling uint v0.9.5
[INFO] [stderr]    Compiling crossbeam-epoch v0.9.18
[INFO] [stderr]    Compiling primitive-types v0.10.1
[INFO] [stderr]    Compiling web-time v1.1.0
[INFO] [stderr]    Compiling crossbeam-deque v0.8.5
[INFO] [stderr]    Compiling rayon-core v1.12.1
[INFO] [stderr]    Compiling rayon v1.10.0
[INFO] [stderr]    Compiling getrandom v0.2.15
[INFO] [stderr]    Compiling const-random-macro v0.1.16
[INFO] [stderr]    Compiling rand_core v0.6.4
[INFO] [stderr]    Compiling const-random v0.1.18
[INFO] [stderr]    Compiling keccak-hash v0.8.0
[INFO] [stderr]    Compiling zerocopy-derive v0.7.35
[INFO] [stderr]    Compiling serde_derive v1.0.215
[INFO] [stderr]    Compiling zerocopy v0.7.35
[INFO] [stderr]    Compiling plonky2_maybe_rayon v1.0.0
[INFO] [stderr]    Compiling ppv-lite86 v0.2.20
[INFO] [stderr]    Compiling unroll v0.1.5
[INFO] [stderr]    Compiling rand_chacha v0.3.1
[INFO] [stderr]    Compiling rand v0.8.5
[INFO] [stderr]    Compiling num-bigint v0.4.6
[INFO] [stderr]    Compiling num-complex v0.4.6
[INFO] [stderr]    Compiling num-rational v0.4.2
[INFO] [stderr]    Compiling num v0.4.3
[INFO] [stderr]    Compiling plonky2_field v1.0.0
[INFO] [stderr]    Compiling hashbrown v0.14.5
[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/plonky2_field-1.0.0/src/lib.rs:6:1
[INFO] [stdout]   |
[INFO] [stdout] 6 | #![feature(specialization)]
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[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/plonky2_field-1.0.0/src/lib.rs:7:37
[INFO] [stdout]   |
[INFO] [stdout] 7 | #![cfg_attr(target_arch = "x86_64", feature(stdarch_x86_avx512))]
[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 `plonky2_field` (lib) due to 2 previous errors
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] running `Command { std: "docker" "inspect" "e5c16ba5ae05c7b0490c47434b4b3c25c303725a52db5d565160f7a53c4335cc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e5c16ba5ae05c7b0490c47434b4b3c25c303725a52db5d565160f7a53c4335cc", kill_on_drop: false }`
[INFO] [stdout] e5c16ba5ae05c7b0490c47434b4b3c25c303725a52db5d565160f7a53c4335cc