[INFO] cloning repository https://github.com/paronikyanarmen/halo2_examples
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/paronikyanarmen/halo2_examples" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fparonikyanarmen%2Fhalo2_examples", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fparonikyanarmen%2Fhalo2_examples'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] a138c7439f195357438928691cff9bc4a0930413
[INFO] checking paronikyanarmen/halo2_examples against master#9bfa31f632912180dc742809bcc51a97f2d7079d for pr-140151
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fparonikyanarmen%2Fhalo2_examples" "/workspace/builds/worker-4-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/paronikyanarmen/halo2_examples on toolchain 9bfa31f632912180dc742809bcc51a97f2d7079d
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+9bfa31f632912180dc742809bcc51a97f2d7079d" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/paronikyanarmen/halo2_examples
[INFO] finished tweaking git repo https://github.com/paronikyanarmen/halo2_examples
[INFO] tweaked toml for git repo https://github.com/paronikyanarmen/halo2_examples written to /workspace/builds/worker-4-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/paronikyanarmen/halo2_examples 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" "+9bfa31f632912180dc742809bcc51a97f2d7079d" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded halo2_proofs v0.3.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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:b0b074c097205a61b89e8ad263052f976b2b332c4dc5f02aef1fe52501660d6e" "/opt/rustwide/cargo-home/bin/cargo" "+9bfa31f632912180dc742809bcc51a97f2d7079d" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 6bd33a5eb6ecc33ee0a5663896ea77c90afc098a92a698b3a6a95044556008dd
[INFO] running `Command { std: "docker" "start" "-a" "6bd33a5eb6ecc33ee0a5663896ea77c90afc098a92a698b3a6a95044556008dd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "6bd33a5eb6ecc33ee0a5663896ea77c90afc098a92a698b3a6a95044556008dd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6bd33a5eb6ecc33ee0a5663896ea77c90afc098a92a698b3a6a95044556008dd", kill_on_drop: false }`
[INFO] [stdout] 6bd33a5eb6ecc33ee0a5663896ea77c90afc098a92a698b3a6a95044556008dd
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-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:b0b074c097205a61b89e8ad263052f976b2b332c4dc5f02aef1fe52501660d6e" "/opt/rustwide/cargo-home/bin/cargo" "+9bfa31f632912180dc742809bcc51a97f2d7079d" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] b3a70e7c70a82c44fb9371e04ef613eb7f8e45366f07356597b93ebeba3b5e21
[INFO] running `Command { std: "docker" "start" "-a" "b3a70e7c70a82c44fb9371e04ef613eb7f8e45366f07356597b93ebeba3b5e21", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.155
[INFO] [stderr]    Compiling crossbeam-utils v0.8.20
[INFO] [stderr]     Checking cfg-if v1.0.0
[INFO] [stderr]    Compiling proc-macro2 v1.0.86
[INFO] [stderr]    Compiling radium v0.7.0
[INFO] [stderr]    Compiling unicode-ident v1.0.12
[INFO] [stderr]     Checking tap v1.0.1
[INFO] [stderr]     Checking funty v2.0.0
[INFO] [stderr]    Compiling rayon-core v1.12.1
[INFO] [stderr]     Checking wyz v0.5.1
[INFO] [stderr]     Checking subtle v2.6.1
[INFO] [stderr]     Checking arrayvec v0.7.4
[INFO] [stderr]     Checking spin v0.9.8
[INFO] [stderr]     Checking either v1.13.0
[INFO] [stderr]     Checking once_cell v1.19.0
[INFO] [stderr]     Checking arrayref v0.3.7
[INFO] [stderr]     Checking constant_time_eq v0.3.0
[INFO] [stderr]     Checking lazy_static v1.5.0
[INFO] [stderr]     Checking pin-project-lite v0.2.14
[INFO] [stderr]     Checking static_assertions v1.1.0
[INFO] [stderr]     Checking blake2b_simd v1.0.2
[INFO] [stderr]     Checking bitvec v1.0.1
[INFO] [stderr]     Checking tracing-core v0.1.32
[INFO] [stderr]     Checking crossbeam-epoch v0.9.18
[INFO] [stderr]     Checking crossbeam-deque v0.8.5
[INFO] [stderr]    Compiling quote v1.0.36
[INFO] [stderr]     Checking getrandom v0.2.15
[INFO] [stderr]     Checking rand_core v0.6.4
[INFO] [stderr]    Compiling syn v2.0.71
[INFO] [stderr]     Checking rand v0.8.5
[INFO] [stderr]     Checking rayon v1.10.0
[INFO] [stderr]     Checking ff v0.13.0
[INFO] [stderr]     Checking group v0.13.0
[INFO] [stderr]     Checking pasta_curves v0.5.1
[INFO] [stderr]     Checking maybe-rayon v0.1.1
[INFO] [stderr]    Compiling tracing-attributes v0.1.27
[INFO] [stderr]     Checking tracing v0.1.40
[INFO] [stderr]     Checking halo2_proofs v0.3.0
[INFO] [stderr]     Checking halo2_examples v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] error: couldn't create a temp dir: No space left on device (os error 28) at path "/opt/rustwide/target/debug/deps/rmetaaOILHX"
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `halo2_examples` (lib test) due to 1 previous error
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] warning: struct `ExpressionConfig` is never constructed
[INFO] [stdout]  --> src/range_check/expression_check.rs:9:8
[INFO] [stdout]   |
[INFO] [stdout] 9 | struct ExpressionConfig<F: PrimeField> {
[INFO] [stdout]   |        ^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated items `configure` and `assign` are never used
[INFO] [stdout]   --> src/range_check/expression_check.rs:16:8
[INFO] [stdout]    |
[INFO] [stdout] 15 | impl<F: PrimeField> ExpressionConfig<F> {
[INFO] [stdout]    | --------------------------------------- associated items in this implementation
[INFO] [stdout] 16 |     fn configure(meta: &mut ConstraintSystem<F>, value: Column<Advice>, range: usize) -> Self {
[INFO] [stdout]    |        ^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 40 |     fn assign(&self, mut layouter: impl Layouter<F>, value: Value<Assigned<F>>) -> Result<(), Error> {
[INFO] [stdout]    |        ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `ExpressionConfig` is never constructed
[INFO] [stdout]   --> src/range_check/lookup.rs:11:8
[INFO] [stdout]    |
[INFO] [stdout] 11 | struct ExpressionConfig<F: PrimeField> {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated items `configure` and `assign` are never used
[INFO] [stdout]   --> src/range_check/lookup.rs:21:8
[INFO] [stdout]    |
[INFO] [stdout] 20 | impl<F: PrimeField> ExpressionConfig<F> {
[INFO] [stdout]    | --------------------------------------- associated items in this implementation
[INFO] [stdout] 21 |     fn configure(meta: &mut ConstraintSystem<F>, value: Column<Advice>, range: usize, lookup_range: usize) -> Self {
[INFO] [stdout]    |        ^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 61 |     fn assign(&self, mut layouter: impl Layouter<F>, value: Value<Assigned<F>>, range: usize) -> Result<(), Error> {
[INFO] [stdout]    |        ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `RangeCheckTable` is never constructed
[INFO] [stdout]  --> src/range_check/lookup/table.rs:7:12
[INFO] [stdout]   |
[INFO] [stdout] 7 | pub struct RangeCheckTable<F: PrimeField> {
[INFO] [stdout]   |            ^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `RangeCheckTable` has derived impls for the traits `Debug` and `Clone`, but these are intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated items `configure` and `load` are never used
[INFO] [stdout]   --> src/range_check/lookup/table.rs:14:12
[INFO] [stdout]    |
[INFO] [stdout] 13 | impl<F: PrimeField> RangeCheckTable<F> {
[INFO] [stdout]    | -------------------------------------- associated items in this implementation
[INFO] [stdout] 14 |     pub fn configure(meta: &mut ConstraintSystem<F>, lookup_range: usize) -> Self {
[INFO] [stdout]    |            ^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 24 |     pub fn load(&self, mut layouter: impl Layouter<F>)-> Result<(), Error> {
[INFO] [stdout]    |            ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `RangeCheckConfig` is never constructed
[INFO] [stdout]   --> src/range_check/lookup_with_bits.rs:11:12
[INFO] [stdout]    |
[INFO] [stdout] 11 | pub struct RangeCheckConfig<F: PrimeField> {
[INFO] [stdout]    |            ^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `RangeCheckConfig` has derived impls for the traits `Debug` and `Clone`, but these are intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated items `configure` and `assign` are never used
[INFO] [stdout]   --> src/range_check/lookup_with_bits.rs:22:8
[INFO] [stdout]    |
[INFO] [stdout] 21 | impl<F: PrimeField> RangeCheckConfig<F> {
[INFO] [stdout]    | --------------------------------------- associated items in this implementation
[INFO] [stdout] 22 |     fn configure(
[INFO] [stdout]    |        ^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 77 |     fn assign(
[INFO] [stdout]    |        ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `DecomposeConfig` is never constructed
[INFO] [stdout]   --> src/range_check/decompose.rs:49:8
[INFO] [stdout]    |
[INFO] [stdout] 49 | struct DecomposeConfig<F: PrimeField> {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated items `configure`, `bits_to_u64_little_endian`, and `assign` are never used
[INFO] [stdout]    --> src/range_check/decompose.rs:63:8
[INFO] [stdout]     |
[INFO] [stdout] 62  | impl<F: PrimeField + PrimeFieldBits> DecomposeConfig<F> {
[INFO] [stdout]     | ------------------------------------------------------- associated items in this implementation
[INFO] [stdout] 63  |     fn configure(meta: &mut ConstraintSystem<F>, running_sum: Column<Advice>, c_i_bits: Column<Advice>, lookup_bits: usize) -> Self {
[INFO] [stdout]     |        ^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 99  |     fn bits_to_u64_little_endian(bits: &[bool]) -> u64 {
[INFO] [stdout]     |        ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 106 |     fn assign(
[INFO] [stdout]     |        ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "b3a70e7c70a82c44fb9371e04ef613eb7f8e45366f07356597b93ebeba3b5e21", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b3a70e7c70a82c44fb9371e04ef613eb7f8e45366f07356597b93ebeba3b5e21", kill_on_drop: false }`
[INFO] [stdout] b3a70e7c70a82c44fb9371e04ef613eb7f8e45366f07356597b93ebeba3b5e21
