[INFO] cloning repository https://github.com/flyingnobita/plonky3-playground
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/flyingnobita/plonky3-playground" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fflyingnobita%2Fplonky3-playground", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fflyingnobita%2Fplonky3-playground'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 05a19b76293e32d0b8de6ce4de34d82fb4674269
[INFO] checking flyingnobita/plonky3-playground against try#f4690f24e7d9bcb0b168a02b06dd61391e8bd55a for pr-157814-crater-rollup
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fflyingnobita%2Fplonky3-playground" "/workspace/builds/worker-1-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-1-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/flyingnobita/plonky3-playground
[INFO] finished tweaking git repo https://github.com/flyingnobita/plonky3-playground
[INFO] tweaked toml for git repo https://github.com/flyingnobita/plonky3-playground written to /workspace/builds/worker-1-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/flyingnobita/plonky3-playground on toolchain f4690f24e7d9bcb0b168a02b06dd61391e8bd55a
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+f4690f24e7d9bcb0b168a02b06dd61391e8bd55a" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/flyingnobita/plonky3-playground 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" "+f4690f24e7d9bcb0b168a02b06dd61391e8bd55a" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,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" "-m" "1610612736" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:7cf07dcec6eec8f91d8fcff9552b5c74122c05467aaf1800be6da9d6f61e2ab2" "sleep" "infinity", kill_on_drop: false }`
[INFO] [stdout] 9641a30a05a79a05ac9637336fca541996390153d55031d7647278610f3bfac0
[INFO] running `Command { std: "docker" "start" "9641a30a05a79a05ac9637336fca541996390153d55031d7647278610f3bfac0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-w" "/opt/rustwide/workdir" "--user" "0:0" "9641a30a05a79a05ac9637336fca541996390153d55031d7647278610f3bfac0" "/opt/rustwide/cargo-home/bin/cargo" "+f4690f24e7d9bcb0b168a02b06dd61391e8bd55a" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "9641a30a05a79a05ac9637336fca541996390153d55031d7647278610f3bfac0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-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" "-w" "/opt/rustwide/workdir" "--user" "0:0" "9641a30a05a79a05ac9637336fca541996390153d55031d7647278610f3bfac0" "/opt/rustwide/cargo-home/bin/cargo" "+f4690f24e7d9bcb0b168a02b06dd61391e8bd55a" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.162
[INFO] [stderr]     Checking byteorder v1.5.0
[INFO] [stderr]    Compiling serde v1.0.215
[INFO] [stderr]     Checking either v1.13.0
[INFO] [stderr]     Checking p3-maybe-rayon v0.1.0 (https://github.com/Plonky3/Plonky3.git#02f9f530)
[INFO] [stderr]     Checking strength_reduce v0.2.4
[INFO] [stderr]     Checking gcd v2.3.0
[INFO] [stderr]    Compiling tiny-keccak v2.0.2
[INFO] [stderr]     Checking cobs v0.2.3
[INFO] [stderr]     Checking crunchy v0.2.2
[INFO] [stderr]    Compiling syn v2.0.87
[INFO] [stderr]     Checking num-integer v0.1.46
[INFO] [stderr]     Checking itertools v0.13.0
[INFO] [stderr]     Checking transpose v0.2.3
[INFO] [stderr]     Checking getrandom v0.2.15
[INFO] [stderr]     Checking rand_core v0.6.4
[INFO] [stderr]    Compiling zerocopy-derive v0.7.35
[INFO] [stderr]    Compiling serde_derive v1.0.215
[INFO] [stderr]    Compiling tracing-attributes v0.1.27
[INFO] [stderr]     Checking zerocopy v0.7.35
[INFO] [stderr]     Checking ppv-lite86 v0.2.20
[INFO] [stderr]     Checking tracing v0.1.40
[INFO] [stderr]     Checking rand_chacha v0.3.1
[INFO] [stderr]     Checking rand v0.8.5
[INFO] [stderr]     Checking num-bigint v0.4.6
[INFO] [stderr]     Checking nums v0.1.0
[INFO] [stderr]     Checking p3-util v0.1.0 (https://github.com/Plonky3/Plonky3.git#02f9f530)
[INFO] [stderr]     Checking postcard v1.0.10
[INFO] [stderr]     Checking p3-field v0.1.0 (https://github.com/Plonky3/Plonky3.git#02f9f530)
[INFO] [stderr]     Checking p3-matrix v0.1.0 (https://github.com/Plonky3/Plonky3.git#02f9f530)
[INFO] [stderr]     Checking p3-symmetric v0.1.0 (https://github.com/Plonky3/Plonky3.git#02f9f530)
[INFO] [stderr]     Checking p3-challenger v0.1.0 (https://github.com/Plonky3/Plonky3.git#02f9f530)
[INFO] [stderr]     Checking p3-keccak v0.1.0 (https://github.com/Plonky3/Plonky3.git#02f9f530)
[INFO] [stderr]     Checking p3-dft v0.1.0 (https://github.com/Plonky3/Plonky3.git#02f9f530)
[INFO] [stderr]     Checking p3-interpolation v0.1.0 (https://github.com/Plonky3/Plonky3.git#02f9f530)
[INFO] [stderr]     Checking p3-air v0.1.0 (https://github.com/Plonky3/Plonky3.git#02f9f530)
[INFO] [stderr]     Checking p3-mds v0.1.0 (https://github.com/Plonky3/Plonky3.git#02f9f530)
[INFO] [stderr]     Checking p3-commit v0.1.0 (https://github.com/Plonky3/Plonky3.git#02f9f530)
[INFO] [stderr]     Checking p3-fri v0.1.0 (https://github.com/Plonky3/Plonky3.git#02f9f530)
[INFO] [stderr]     Checking p3-uni-stark v0.1.0 (https://github.com/Plonky3/Plonky3.git#02f9f530)
[INFO] [stderr]     Checking p3-merkle-tree v0.1.0 (https://github.com/Plonky3/Plonky3.git#02f9f530)
[INFO] [stderr]     Checking p3-poseidon2 v0.1.0 (https://github.com/Plonky3/Plonky3.git#02f9f530)
[INFO] [stderr]     Checking p3-monty-31 v0.1.0 (https://github.com/Plonky3/Plonky3.git#02f9f530)
[INFO] [stderr]     Checking p3-mersenne-31 v0.1.0 (https://github.com/Plonky3/Plonky3.git#02f9f530)
[INFO] [stdout] error[E0658]: use of unstable library feature `core_intrinsics`: intrinsics are unlikely to ever be stabilized, instead they should be used through stabilized interfaces in the rest of the standard library
[INFO] [stdout]  --> /opt/rustwide/cargo-home/git/checkouts/plonky3-7d8a3b21a665a86f/02f9f53/monty-31/src/monty_31.rs:7:5
[INFO] [stdout]   |
[INFO] [stdout] 7 | use core::intrinsics::transmute;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = help: add `#![feature(core_intrinsics)]` to the crate attributes to enable
[INFO] [stdout]   = note: this compiler was built on 2026-06-12; consider upgrading it if it is out of date
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0658`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `p3-monty-31` (lib) due to 1 previous error
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] running `Command { std: "docker" "inspect" "9641a30a05a79a05ac9637336fca541996390153d55031d7647278610f3bfac0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9641a30a05a79a05ac9637336fca541996390153d55031d7647278610f3bfac0", kill_on_drop: false }`
[INFO] [stdout] 9641a30a05a79a05ac9637336fca541996390153d55031d7647278610f3bfac0