[INFO] cloning repository https://github.com/miguelis/witness_optimizer [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/miguelis/witness_optimizer" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmiguelis%2Fwitness_optimizer", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmiguelis%2Fwitness_optimizer'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 793d3dcb668721aa9ea27508a6a9927a130b5d0e [INFO] checking miguelis/witness_optimizer against master#8321f00bf4a5f25cad5ec8861c5469afe6e0ce8b for pr-133925 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmiguelis%2Fwitness_optimizer" "/workspace/builds/worker-6-tc1/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-6-tc1/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/miguelis/witness_optimizer on toolchain 8321f00bf4a5f25cad5ec8861c5469afe6e0ce8b [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+8321f00bf4a5f25cad5ec8861c5469afe6e0ce8b" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/miguelis/witness_optimizer [INFO] finished tweaking git repo https://github.com/miguelis/witness_optimizer [INFO] tweaked toml for git repo https://github.com/miguelis/witness_optimizer written to /workspace/builds/worker-6-tc1/source/Cargo.toml [INFO] crate git repo https://github.com/miguelis/witness_optimizer 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" "+8321f00bf4a5f25cad5ec8861c5469afe6e0ce8b" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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:c80049f3b88b82089a44e0f06d0d6029d44b96b7257e55a1cd63dbc9f4c33334" "/opt/rustwide/cargo-home/bin/cargo" "+8321f00bf4a5f25cad5ec8861c5469afe6e0ce8b" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 5e9741ecbdb3d968861238dfbfeb6c6bc52a257c18e0ab4880c7a6e3e2a2d787 [INFO] running `Command { std: "docker" "start" "-a" "5e9741ecbdb3d968861238dfbfeb6c6bc52a257c18e0ab4880c7a6e3e2a2d787", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "5e9741ecbdb3d968861238dfbfeb6c6bc52a257c18e0ab4880c7a6e3e2a2d787", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "5e9741ecbdb3d968861238dfbfeb6c6bc52a257c18e0ab4880c7a6e3e2a2d787", kill_on_drop: false }` [INFO] [stdout] 5e9741ecbdb3d968861238dfbfeb6c6bc52a257c18e0ab4880c7a6e3e2a2d787 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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:c80049f3b88b82089a44e0f06d0d6029d44b96b7257e55a1cd63dbc9f4c33334" "/opt/rustwide/cargo-home/bin/cargo" "+8321f00bf4a5f25cad5ec8861c5469afe6e0ce8b" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 8eb0df0a8a19fd038559727c6390e110d9a2cabd5b74df3c76cfbfec86e7a8d9 [INFO] running `Command { std: "docker" "start" "-a" "8eb0df0a8a19fd038559727c6390e110d9a2cabd5b74df3c76cfbfec86e7a8d9", kill_on_drop: false }` [INFO] [stderr] Compiling autocfg v1.1.0 [INFO] [stderr] Compiling libc v0.2.121 [INFO] [stderr] Compiling getrandom v0.1.16 [INFO] [stderr] Checking cfg-if v1.0.0 [INFO] [stderr] Compiling serde v1.0.136 [INFO] [stderr] Checking ppv-lite86 v0.2.16 [INFO] [stderr] Compiling libm v0.2.2 [INFO] [stderr] Checking spin v0.5.2 [INFO] [stderr] Checking smallvec v1.8.0 [INFO] [stderr] Checking byteorder v1.4.3 [INFO] [stderr] Checking constant_tracking v2.0.1 (/opt/rustwide/workdir/constant_tracking) [INFO] [stderr] Checking json v0.12.4 [INFO] [stderr] Compiling serde_json v1.0.79 [INFO] [stderr] Checking ryu v1.0.9 [INFO] [stderr] Checking itoa v1.0.1 [INFO] [stderr] Compiling autocfg v0.1.8 [INFO] [stderr] Checking lazy_static v1.4.0 [INFO] [stderr] Compiling num-traits v0.2.14 [INFO] [stderr] Compiling num-integer v0.1.44 [INFO] [stderr] Compiling num-iter v0.1.42 [INFO] [stderr] Compiling num-bigint-dig v0.6.1 [INFO] [stderr] Checking num_cpus v1.13.1 [INFO] [stderr] Checking threadpool v1.8.1 [INFO] [stderr] Checking rand_core v0.5.1 [INFO] [stderr] Checking rand_chacha v0.2.2 [INFO] [stderr] Checking rand v0.7.3 [INFO] [stderr] Checking circom_algebra v2.0.1 (/opt/rustwide/workdir/circom_algebra) [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> circom_algebra/src/algebra.rs:1164:21 [INFO] [stdout] | [INFO] [stdout] 1164 | let mut monomial; [INFO] [stdout] | ----^^^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_mut)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> circom_algebra/src/algebra.rs:1164:21 [INFO] [stdout] | [INFO] [stdout] 1164 | let mut monomial; [INFO] [stdout] | ----^^^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_mut)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `field` [INFO] [stdout] --> circom_algebra/src/algebra.rs:1867:13 [INFO] [stdout] | [INFO] [stdout] 1867 | let field = BigInt::parse_bytes(FIELD.as_bytes(), 10) [INFO] [stdout] | ^^^^^ help: if this is intentional, prefix it with an underscore: `_field` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Checking constraint_writers v2.0.1 (/opt/rustwide/workdir/constraint_writers) [INFO] [stderr] Checking constraint_list v2.0.1 (/opt/rustwide/workdir/constraint_list) [INFO] [stdout] warning: unused import: `HashSet` [INFO] [stdout] --> constraint_list/src/lib.rs:1:33 [INFO] [stdout] | [INFO] [stdout] 1 | use std::collections::{HashMap, HashSet, LinkedList}; [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `constraint_writers::debug_writer::DebugWriter` [INFO] [stdout] --> constraint_list/src/lib.rs:5:5 [INFO] [stdout] | [INFO] [stdout] 5 | use constraint_writers::debug_writer::DebugWriter; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `constraint_writers::ConstraintExporter` [INFO] [stdout] --> constraint_list/src/lib.rs:6:5 [INFO] [stdout] | [INFO] [stdout] 6 | use constraint_writers::ConstraintExporter; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `A` [INFO] [stdout] --> constraint_list/src/constraint_simplification.rs:2:32 [INFO] [stdout] | [INFO] [stdout] 2 | use super::{ConstraintStorage, A, C, S, HashConstraint}; [INFO] [stdout] | ^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `std::fs` [INFO] [stdout] --> constraint_list/src/constraint_simplification.rs:8:5 [INFO] [stdout] | [INFO] [stdout] 8 | use std::fs; [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `circom_algebra::simplification_utils::build_encoded_fast_substitutions` [INFO] [stdout] --> constraint_list/src/constraint_simplification.rs:593:9 [INFO] [stdout] | [INFO] [stdout] 593 | use circom_algebra::simplification_utils::build_encoded_fast_substitutions; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `circom_algebra::simplification_utils::fast_encoded_constraint_substitution` [INFO] [stdout] --> constraint_list/src/constraint_simplification.rs:594:9 [INFO] [stdout] | [INFO] [stdout] 594 | use circom_algebra::simplification_utils::fast_encoded_constraint_substitution; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `std::sync::mpsc` [INFO] [stdout] --> constraint_list/src/constraint_simplification.rs:596:9 [INFO] [stdout] | [INFO] [stdout] 596 | use std::sync::mpsc; [INFO] [stdout] | ^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `threadpool::ThreadPool` [INFO] [stdout] --> constraint_list/src/constraint_simplification.rs:597:9 [INFO] [stdout] | [INFO] [stdout] 597 | use threadpool::ThreadPool; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `circom_algebra::modular_arithmetic::*` [INFO] [stdout] --> constraint_list/src/cluster_non_linear.rs:5:5 [INFO] [stdout] | [INFO] [stdout] 5 | use circom_algebra::modular_arithmetic::*; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `HashSet` [INFO] [stdout] --> constraint_list/src/lib.rs:1:33 [INFO] [stdout] | [INFO] [stdout] 1 | use std::collections::{HashMap, HashSet, LinkedList}; [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `constraint_writers::debug_writer::DebugWriter` [INFO] [stdout] --> constraint_list/src/lib.rs:5:5 [INFO] [stdout] | [INFO] [stdout] 5 | use constraint_writers::debug_writer::DebugWriter; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `constraint_writers::ConstraintExporter` [INFO] [stdout] --> constraint_list/src/lib.rs:6:5 [INFO] [stdout] | [INFO] [stdout] 6 | use constraint_writers::ConstraintExporter; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `A` [INFO] [stdout] --> constraint_list/src/constraint_simplification.rs:2:32 [INFO] [stdout] | [INFO] [stdout] 2 | use super::{ConstraintStorage, A, C, S, HashConstraint}; [INFO] [stdout] | ^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `std::fs` [INFO] [stdout] --> constraint_list/src/constraint_simplification.rs:8:5 [INFO] [stdout] | [INFO] [stdout] 8 | use std::fs; [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `circom_algebra::simplification_utils::build_encoded_fast_substitutions` [INFO] [stdout] --> constraint_list/src/constraint_simplification.rs:593:9 [INFO] [stdout] | [INFO] [stdout] 593 | use circom_algebra::simplification_utils::build_encoded_fast_substitutions; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `circom_algebra::simplification_utils::fast_encoded_constraint_substitution` [INFO] [stdout] --> constraint_list/src/constraint_simplification.rs:594:9 [INFO] [stdout] | [INFO] [stdout] 594 | use circom_algebra::simplification_utils::fast_encoded_constraint_substitution; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `std::sync::mpsc` [INFO] [stdout] --> constraint_list/src/constraint_simplification.rs:596:9 [INFO] [stdout] | [INFO] [stdout] 596 | use std::sync::mpsc; [INFO] [stdout] | ^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `threadpool::ThreadPool` [INFO] [stdout] --> constraint_list/src/constraint_simplification.rs:597:9 [INFO] [stdout] | [INFO] [stdout] 597 | use threadpool::ThreadPool; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `circom_algebra::modular_arithmetic::*` [INFO] [stdout] --> constraint_list/src/cluster_non_linear.rs:5:5 [INFO] [stdout] | [INFO] [stdout] 5 | use circom_algebra::modular_arithmetic::*; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `n` [INFO] [stdout] --> constraint_list/src/constraint_simplification.rs:276:13 [INFO] [stdout] | [INFO] [stdout] 276 | let n = Cluster::size(&cluster); [INFO] [stdout] | ^ help: if this is intentional, prefix it with an underscore: `_n` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `i` [INFO] [stdout] --> constraint_list/src/constraint_simplification.rs:352:9 [INFO] [stdout] | [INFO] [stdout] 352 | for i in &minimal_clusters{ [INFO] [stdout] | ^ help: if this is intentional, prefix it with an underscore: `_i` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `n` [INFO] [stdout] --> constraint_list/src/constraint_simplification.rs:276:13 [INFO] [stdout] | [INFO] [stdout] 276 | let n = Cluster::size(&cluster); [INFO] [stdout] | ^ help: if this is intentional, prefix it with an underscore: `_n` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `i` [INFO] [stdout] --> constraint_list/src/constraint_simplification.rs:352:9 [INFO] [stdout] | [INFO] [stdout] 352 | for i in &minimal_clusters{ [INFO] [stdout] | ^ help: if this is intentional, prefix it with an underscore: `_i` [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] error: could not compile `constraint_list` (lib test); 12 warnings emitted [INFO] [stderr] [INFO] [stderr] Caused by: [INFO] [stderr] No space left on device (os error 28) [INFO] [stderr] [INFO] [stderr] Caused by: [INFO] [stderr] failed to parse process output: `/opt/rustwide/rustup-home/toolchains/8321f00bf4a5f25cad5ec8861c5469afe6e0ce8b/bin/rustc --crate-name constraint_list --edition=2018 constraint_list/src/lib.rs --error-format=json --json=diagnostic-rendered-ansi,artifacts,future-incompat --emit=dep-info,metadata -C embed-bitcode=no -C debuginfo=2 --test --check-cfg 'cfg(docsrs,test)' --check-cfg 'cfg(feature, values())' -C metadata=b9cdae03c1a0fc05 -C extra-filename=-77e09cf99514f186 --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --extern circom_algebra=/opt/rustwide/target/debug/deps/libcircom_algebra-d64c5eead3771fcf.rmeta --extern constraint_writers=/opt/rustwide/target/debug/deps/libconstraint_writers-87141b32344e32ca.rmeta --extern json=/opt/rustwide/target/debug/deps/libjson-4d7690f4e089f0ad.rmeta --extern num_cpus=/opt/rustwide/target/debug/deps/libnum_cpus-088e3a1eb9f6337f.rmeta --extern threadpool=/opt/rustwide/target/debug/deps/libthreadpool-1a64624c5eefb12d.rmeta --cap-lints=forbid` (exit status: 1) [INFO] [stderr] warning: build failed, waiting for other jobs to finish... [INFO] [stderr] error: could not compile `constraint_list` (lib); 12 warnings emitted [INFO] [stderr] [INFO] [stderr] Caused by: [INFO] [stderr] No space left on device (os error 28) [INFO] [stderr] [INFO] [stderr] Caused by: [INFO] [stderr] failed to parse process output: `/opt/rustwide/rustup-home/toolchains/8321f00bf4a5f25cad5ec8861c5469afe6e0ce8b/bin/rustc --crate-name constraint_list --edition=2018 constraint_list/src/lib.rs --error-format=json --json=diagnostic-rendered-ansi,artifacts,future-incompat --crate-type lib --emit=dep-info,metadata -C embed-bitcode=no -C debuginfo=2 --check-cfg 'cfg(docsrs,test)' --check-cfg 'cfg(feature, values())' -C metadata=49dedcb52d8ceb97 -C extra-filename=-fe4b28c35c58b3c4 --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --extern circom_algebra=/opt/rustwide/target/debug/deps/libcircom_algebra-d64c5eead3771fcf.rmeta --extern constraint_writers=/opt/rustwide/target/debug/deps/libconstraint_writers-87141b32344e32ca.rmeta --extern json=/opt/rustwide/target/debug/deps/libjson-4d7690f4e089f0ad.rmeta --extern num_cpus=/opt/rustwide/target/debug/deps/libnum_cpus-088e3a1eb9f6337f.rmeta --extern threadpool=/opt/rustwide/target/debug/deps/libthreadpool-1a64624c5eefb12d.rmeta --cap-lints=forbid` (exit status: 1) [INFO] running `Command { std: "docker" "inspect" "8eb0df0a8a19fd038559727c6390e110d9a2cabd5b74df3c76cfbfec86e7a8d9", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "8eb0df0a8a19fd038559727c6390e110d9a2cabd5b74df3c76cfbfec86e7a8d9", kill_on_drop: false }` [INFO] [stdout] 8eb0df0a8a19fd038559727c6390e110d9a2cabd5b74df3c76cfbfec86e7a8d9