[INFO] cloning repository https://github.com/Petr1Furious/zk_volunteer_computing
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/Petr1Furious/zk_volunteer_computing" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FPetr1Furious%2Fzk_volunteer_computing", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FPetr1Furious%2Fzk_volunteer_computing'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 37e893199e5d4aa32c6718c6c0d430e56118b990
[INFO] checking Petr1Furious/zk_volunteer_computing against try#f4690f24e7d9bcb0b168a02b06dd61391e8bd55a for pr-157814-crater-rollup
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FPetr1Furious%2Fzk_volunteer_computing" "/workspace/builds/worker-4-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/Petr1Furious/zk_volunteer_computing
[INFO] finished tweaking git repo https://github.com/Petr1Furious/zk_volunteer_computing
[INFO] tweaked toml for git repo https://github.com/Petr1Furious/zk_volunteer_computing written to /workspace/builds/worker-4-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/Petr1Furious/zk_volunteer_computing 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/Petr1Furious/zk_volunteer_computing 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-4-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "sleep" "infinity", kill_on_drop: false }`
[INFO] [stdout] 4620c949a83d64210e2200a69b80bb88f14c87ddfb5dd08559f9b7a140487be4
[INFO] running `Command { std: "docker" "start" "4620c949a83d64210e2200a69b80bb88f14c87ddfb5dd08559f9b7a140487be4", 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" "4620c949a83d64210e2200a69b80bb88f14c87ddfb5dd08559f9b7a140487be4" "/opt/rustwide/cargo-home/bin/cargo" "+f4690f24e7d9bcb0b168a02b06dd61391e8bd55a" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "4620c949a83d64210e2200a69b80bb88f14c87ddfb5dd08559f9b7a140487be4", 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" "4620c949a83d64210e2200a69b80bb88f14c87ddfb5dd08559f9b7a140487be4" "/opt/rustwide/cargo-home/bin/cargo" "+f4690f24e7d9bcb0b168a02b06dd61391e8bd55a" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr]     Checking smallvec v1.15.0
[INFO] [stderr]     Checking tracing-core v0.1.33
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]    Compiling libc v0.2.172
[INFO] [stderr]    Compiling thiserror v2.0.12
[INFO] [stderr]    Compiling syn v2.0.101
[INFO] [stderr]     Checking mio v1.0.3
[INFO] [stderr]     Checking signal-hook-registry v1.4.5
[INFO] [stderr]     Checking socket2 v0.5.9
[INFO] [stderr]    Compiling num-traits v0.2.19
[INFO] [stderr]     Checking digest v0.9.0
[INFO] [stderr]     Checking rayon v1.10.0
[INFO] [stderr]     Checking hashbrown v0.15.3
[INFO] [stderr]     Checking num-bigint v0.4.6
[INFO] [stderr]     Checking bitflags v2.9.0
[INFO] [stderr]    Compiling icu_properties_data v2.0.0
[INFO] [stderr]     Checking http v0.2.12
[INFO] [stderr]    Compiling openssl v0.10.72
[INFO] [stderr]     Checking parking_lot_core v0.9.10
[INFO] [stderr]     Checking futures-channel v0.3.31
[INFO] [stderr]     Checking regex-automata v0.4.9
[INFO] [stderr]     Checking getrandom v0.3.3
[INFO] [stderr]     Checking tracing-subscriber v0.2.25
[INFO] [stderr]    Compiling serde v1.0.219
[INFO] [stderr]     Checking parking_lot v0.12.3
[INFO] [stderr]     Checking crypto-mac v0.8.0
[INFO] [stderr]     Checking rand_core v0.9.3
[INFO] [stderr]    Compiling time-core v0.1.4
[INFO] [stderr]     Checking blake2 v0.9.2
[INFO] [stderr]    Compiling bytestring v1.4.0
[INFO] [stderr]    Compiling time-macros v0.2.22
[INFO] [stderr]     Checking indexmap v2.9.0
[INFO] [stderr]     Checking miniz_oxide v0.8.8
[INFO] [stderr]     Checking rand_chacha v0.9.0
[INFO] [stderr]     Checking deranged v0.4.0
[INFO] [stderr]     Checking ahash v0.7.8
[INFO] [stderr]    Compiling tracing v0.1.41
[INFO] [stderr]    Compiling jobserver v0.1.33
[INFO] [stderr]    Compiling num-integer v0.1.46
[INFO] [stderr]     Checking sha1 v0.10.6
[INFO] [stderr]     Checking brotli v8.0.1
[INFO] [stderr]     Checking hashbrown v0.11.2
[INFO] [stderr]     Checking rand v0.9.1
[INFO] [stderr]     Checking rand_core v0.4.2
[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/registry/src/index.crates.io-1949cf8c6b5b557f/rand_core-0.4.2/src/impls.rs:20:5
[INFO] [stdout]    |
[INFO] [stdout] 20 | 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 `rand_core` (lib) due to 1 previous error
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] running `Command { std: "docker" "inspect" "4620c949a83d64210e2200a69b80bb88f14c87ddfb5dd08559f9b7a140487be4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4620c949a83d64210e2200a69b80bb88f14c87ddfb5dd08559f9b7a140487be4", kill_on_drop: false }`
[INFO] [stdout] 4620c949a83d64210e2200a69b80bb88f14c87ddfb5dd08559f9b7a140487be4
