[INFO] cloning repository https://github.com/qpzm/Useless-ZKVM-hands-on
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/qpzm/Useless-ZKVM-hands-on" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fqpzm%2FUseless-ZKVM-hands-on", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fqpzm%2FUseless-ZKVM-hands-on'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 402408838d9a88226b4d3df2c25dd0d002d8e6dc
[INFO] checking qpzm/Useless-ZKVM-hands-on against try#901d6c1c62d7c61e05469e996c297476078ee06b for pr-157082
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fqpzm%2FUseless-ZKVM-hands-on" "/workspace/builds/worker-3-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-3-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/qpzm/Useless-ZKVM-hands-on
[INFO] finished tweaking git repo https://github.com/qpzm/Useless-ZKVM-hands-on
[INFO] tweaked toml for git repo https://github.com/qpzm/Useless-ZKVM-hands-on written to /workspace/builds/worker-3-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/qpzm/Useless-ZKVM-hands-on on toolchain 901d6c1c62d7c61e05469e996c297476078ee06b
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+901d6c1c62d7c61e05469e996c297476078ee06b" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/qpzm/Useless-ZKVM-hands-on 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" "+901d6c1c62d7c61e05469e996c297476078ee06b" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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@sha256:3e793bdf10248eb2ddbd6b0faebed8155c11b4589982e2893733958d93e8d540" "sleep" "infinity", kill_on_drop: false }`
[INFO] [stdout] 13e16a4698be64136253be1dd333071e41b477a357f693e5fa7d8b87cc11acc6
[INFO] running `Command { std: "docker" "start" "13e16a4698be64136253be1dd333071e41b477a357f693e5fa7d8b87cc11acc6", 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" "13e16a4698be64136253be1dd333071e41b477a357f693e5fa7d8b87cc11acc6" "/opt/rustwide/cargo-home/bin/cargo" "+901d6c1c62d7c61e05469e996c297476078ee06b" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "13e16a4698be64136253be1dd333071e41b477a357f693e5fa7d8b87cc11acc6", 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" "13e16a4698be64136253be1dd333071e41b477a357f693e5fa7d8b87cc11acc6" "/opt/rustwide/cargo-home/bin/cargo" "+901d6c1c62d7c61e05469e996c297476078ee06b" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.92
[INFO] [stderr]    Compiling unicode-ident v1.0.14
[INFO] [stderr]    Compiling libc v0.2.167
[INFO] [stderr]     Checking byteorder v1.5.0
[INFO] [stderr]    Compiling serde v1.0.215
[INFO] [stderr]     Checking pin-project-lite v0.2.15
[INFO] [stderr]     Checking either v1.13.0
[INFO] [stderr]     Checking p3-maybe-rayon v0.1.0 (https://github.com/Plonky3/Plonky3.git#e61ed4ae)
[INFO] [stderr]     Checking strength_reduce v0.2.4
[INFO] [stderr]    Compiling num-traits v0.2.19
[INFO] [stderr]     Checking gcd v2.3.0
[INFO] [stderr]    Compiling cc v1.2.2
[INFO] [stderr]    Compiling crunchy v0.2.2
[INFO] [stderr]     Checking regex-syntax v0.8.5
[INFO] [stderr]     Checking regex-syntax v0.6.29
[INFO] [stderr]     Checking overload v0.1.1
[INFO] [stderr]    Compiling tiny-keccak v2.0.2
[INFO] [stderr]     Checking log v0.4.22
[INFO] [stderr]     Checking sharded-slab v0.1.7
[INFO] [stderr]     Checking nu-ansi-term v0.46.0
[INFO] [stderr]     Checking thread_local v1.1.8
[INFO] [stderr]     Checking tracing-log v0.2.0
[INFO] [stderr]     Checking arrayref v0.3.9
[INFO] [stderr]     Checking smallvec v1.13.2
[INFO] [stderr]    Compiling serde_json v1.0.133
[INFO] [stderr]     Checking constant_time_eq v0.3.1
[INFO] [stderr]     Checking itertools v0.13.0
[INFO] [stderr]     Checking arrayvec v0.7.6
[INFO] [stderr]     Checking ansi_term v0.12.1
[INFO] [stderr]     Checking memchr v2.7.4
[INFO] [stderr]    Compiling quote v1.0.37
[INFO] [stderr]     Checking num-integer v0.1.46
[INFO] [stderr]    Compiling syn v2.0.90
[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 blake3 v1.5.5
[INFO] [stderr]     Checking regex-automata v0.4.9
[INFO] [stderr]     Checking regex-automata v0.1.10
[INFO] [stderr]     Checking regex v1.11.1
[INFO] [stderr]     Checking matchers v0.1.0
[INFO] [stderr]    Compiling zerocopy-derive v0.7.35
[INFO] [stderr]    Compiling serde_derive v1.0.215
[INFO] [stderr]    Compiling tracing-attributes v0.1.28
[INFO] [stderr]    Compiling thiserror-impl v1.0.69
[INFO] [stderr]     Checking zerocopy v0.7.35
[INFO] [stderr]     Checking thiserror v1.0.69
[INFO] [stderr]     Checking ppv-lite86 v0.2.20
[INFO] [stderr]     Checking tracing v0.1.41
[INFO] [stderr]     Checking tracing-subscriber v0.3.19
[INFO] [stderr]     Checking rand_chacha v0.3.1
[INFO] [stderr]     Checking rand v0.8.5
[INFO] [stderr]     Checking tracing-forest v0.1.6
[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#e61ed4ae)
[INFO] [stderr]     Checking p3-field v0.1.0 (https://github.com/Plonky3/Plonky3.git#e61ed4ae)
[INFO] [stderr]     Checking p3-symmetric v0.1.0 (https://github.com/Plonky3/Plonky3.git#e61ed4ae)
[INFO] [stderr]     Checking p3-matrix v0.1.0 (https://github.com/Plonky3/Plonky3.git#e61ed4ae)
[INFO] [stderr]     Checking p3-challenger v0.1.0 (https://github.com/Plonky3/Plonky3.git#e61ed4ae)
[INFO] [stderr]     Checking p3-keccak v0.1.0 (https://github.com/Plonky3/Plonky3.git#e61ed4ae)
[INFO] [stderr]     Checking p3-blake3 v0.1.0 (https://github.com/Plonky3/Plonky3.git#e61ed4ae)
[INFO] [stderr]     Checking p3-dft v0.1.0 (https://github.com/Plonky3/Plonky3.git#e61ed4ae)
[INFO] [stderr]     Checking p3-interpolation v0.1.0 (https://github.com/Plonky3/Plonky3.git#e61ed4ae)
[INFO] [stderr]     Checking p3-air v0.1.0 (https://github.com/Plonky3/Plonky3.git#e61ed4ae)
[INFO] [stderr]     Checking p3-mds v0.1.0 (https://github.com/Plonky3/Plonky3.git#e61ed4ae)
[INFO] [stderr]     Checking p3-commit v0.1.0 (https://github.com/Plonky3/Plonky3.git#e61ed4ae)
[INFO] [stderr]     Checking p3-poseidon2 v0.1.0 (https://github.com/Plonky3/Plonky3.git#e61ed4ae)
[INFO] [stderr]     Checking p3-poseidon v0.1.0 (https://github.com/Plonky3/Plonky3.git#e61ed4ae)
[INFO] [stderr]     Checking p3-fri v0.1.0 (https://github.com/Plonky3/Plonky3.git#e61ed4ae)
[INFO] [stderr]     Checking p3-merkle-tree v0.1.0 (https://github.com/Plonky3/Plonky3.git#e61ed4ae)
[INFO] [stderr]     Checking p3-uni-stark v0.1.0 (https://github.com/Plonky3/Plonky3.git#e61ed4ae)
[INFO] [stderr]     Checking p3-monty-31 v0.1.0 (https://github.com/Plonky3/Plonky3.git#e61ed4ae)
[INFO] [stderr]     Checking p3-mersenne-31 v0.1.0 (https://github.com/Plonky3/Plonky3.git#e61ed4ae)
[INFO] [stderr]     Checking p3-goldilocks v0.1.0 (https://github.com/Plonky3/Plonky3.git#e61ed4ae)
[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/e61ed4a/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 2026-05-28; consider upgrading it if it is out of date
[INFO] [stdout] 
[INFO] [stdout] 
[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/e61ed4a/goldilocks/src/goldilocks.rs:6:5
[INFO] [stdout]   |
[INFO] [stdout] 6 | 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 2026-05-28; consider upgrading it if it is out of date
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Checking p3-circle v0.1.0 (https://github.com/Plonky3/Plonky3.git#e61ed4ae)
[INFO] [stdout] For more information about this error, try `rustc --explain E0658`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `p3-goldilocks` (lib) due to 1 previous error
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[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] running `Command { std: "docker" "inspect" "13e16a4698be64136253be1dd333071e41b477a357f693e5fa7d8b87cc11acc6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "13e16a4698be64136253be1dd333071e41b477a357f693e5fa7d8b87cc11acc6", kill_on_drop: false }`
[INFO] [stdout] 13e16a4698be64136253be1dd333071e41b477a357f693e5fa7d8b87cc11acc6
