[INFO] fetching crate ark-poly-commit 0.3.0...
[INFO] testing ark-poly-commit-0.3.0 against master#432e145bd5a974c5b6f4dd9b352891bd7502b69d for pr-87041
[INFO] extracting crate ark-poly-commit 0.3.0 into /workspace/builds/worker-6/source
[INFO] validating manifest of crates.io crate ark-poly-commit 0.3.0 on toolchain 432e145bd5a974c5b6f4dd9b352891bd7502b69d
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+432e145bd5a974c5b6f4dd9b352891bd7502b69d" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate ark-poly-commit 0.3.0
[INFO] finished tweaking crates.io crate ark-poly-commit 0.3.0
[INFO] tweaked toml for crates.io crate ark-poly-commit 0.3.0 written to /workspace/builds/worker-6/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+432e145bd5a974c5b6f4dd9b352891bd7502b69d" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+432e145bd5a974c5b6f4dd9b352891bd7502b69d" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+432e145bd5a974c5b6f4dd9b352891bd7502b69d" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 5e19fba873a44720e0039c051c8ff440bf67467be665a4dc809353d8f381b3a2
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "5e19fba873a44720e0039c051c8ff440bf67467be665a4dc809353d8f381b3a2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "5e19fba873a44720e0039c051c8ff440bf67467be665a4dc809353d8f381b3a2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5e19fba873a44720e0039c051c8ff440bf67467be665a4dc809353d8f381b3a2", kill_on_drop: false }`
[INFO] [stdout] 5e19fba873a44720e0039c051c8ff440bf67467be665a4dc809353d8f381b3a2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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" "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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+432e145bd5a974c5b6f4dd9b352891bd7502b69d" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 60b5170f48af0e5e0fd1ca949e9cabb19513e28e19bee9f7df4cd81f2a5fe81a
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "60b5170f48af0e5e0fd1ca949e9cabb19513e28e19bee9f7df4cd81f2a5fe81a", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v1.0.73
[INFO] [stderr]    Compiling crossbeam-utils v0.8.5
[INFO] [stderr]    Compiling crossbeam-epoch v0.9.5
[INFO] [stderr]    Compiling rayon-core v1.9.1
[INFO] [stderr]    Compiling scopeguard v1.1.0
[INFO] [stderr]    Compiling once_cell v1.8.0
[INFO] [stderr]    Compiling memoffset v0.6.4
[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]    Compiling num-integer v0.1.44
[INFO] [stderr]    Compiling rayon v1.5.1
[INFO] [stderr]    Compiling num-bigint v0.4.0
[INFO] [stderr]    Compiling tracing-core v0.1.18
[INFO] [stderr]    Compiling ahash v0.7.4
[INFO] [stderr]    Compiling num_cpus v1.13.0
[INFO] [stderr]    Compiling getrandom v0.2.3
[INFO] [stderr]    Compiling ark-ff v0.3.0
[INFO] [stderr]    Compiling tracing-subscriber v0.2.19
[INFO] [stderr]    Compiling hashbrown v0.11.2
[INFO] [stderr]    Compiling crossbeam-channel v0.5.1
[INFO] [stderr]    Compiling crossbeam-deque v0.8.0
[INFO] [stderr]    Compiling ark-std v0.3.0
[INFO] [stderr]    Compiling synstructure v0.12.5
[INFO] [stderr]    Compiling ark-serialize-derive v0.3.0
[INFO] [stderr]    Compiling zeroize_derive v1.1.0
[INFO] [stderr]    Compiling ark-ff-asm v0.3.0
[INFO] [stderr]    Compiling ark-ff-macros v0.3.0
[INFO] [stderr]    Compiling derivative v2.2.0
[INFO] [stderr]    Compiling tracing-attributes v0.1.15
[INFO] [stderr]    Compiling ark-serialize v0.3.0
[INFO] [stderr]    Compiling zeroize v1.3.0
[INFO] [stderr]    Compiling tracing v0.1.26
[INFO] [stderr]    Compiling ark-ec v0.3.0
[INFO] [stderr]    Compiling ark-relations v0.3.0
[INFO] [stderr]    Compiling ark-poly v0.3.0
[INFO] [stderr]    Compiling ark-r1cs-std v0.3.1
[INFO] [stderr]    Compiling ark-nonnative-field v0.3.0
[INFO] [stderr]    Compiling ark-poly-commit v0.3.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 43.99s
[INFO] running `Command { std: "docker" "inspect" "60b5170f48af0e5e0fd1ca949e9cabb19513e28e19bee9f7df4cd81f2a5fe81a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "60b5170f48af0e5e0fd1ca949e9cabb19513e28e19bee9f7df4cd81f2a5fe81a", kill_on_drop: false }`
[INFO] [stdout] 60b5170f48af0e5e0fd1ca949e9cabb19513e28e19bee9f7df4cd81f2a5fe81a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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" "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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+432e145bd5a974c5b6f4dd9b352891bd7502b69d" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 9a36b5cd0c38f08216f811f9d7cb0335492b723719d3083194a8851f3213dd75
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "9a36b5cd0c38f08216f811f9d7cb0335492b723719d3083194a8851f3213dd75", kill_on_drop: false }`
[INFO] [stderr]    Compiling subtle v2.4.1
[INFO] [stderr]    Compiling opaque-debug v0.3.0
[INFO] [stderr]    Compiling ark-bls12-381 v0.3.0
[INFO] [stderr]    Compiling ark-bls12-377 v0.3.0
[INFO] [stderr]    Compiling crypto-mac v0.8.0
[INFO] [stderr]    Compiling blake2 v0.9.1
[INFO] [stderr]    Compiling ark-ed-on-bls12-381 v0.3.0
[INFO] [stderr]    Compiling ark-poly-commit v0.3.0 (/opt/rustwide/workdir)
[INFO] [stderr] error: could not compile `ark-poly-commit`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustc --crate-name ark_poly_commit --edition=2018 src/lib.rs --error-format=json --json=diagnostic-rendered-ansi --emit=dep-info,link -C opt-level=3 -C embed-bitcode=no -C debuginfo=2 -C debug-assertions=on --test --cfg 'feature="ark-nonnative-field"' --cfg 'feature="ark-relations"' --cfg 'feature="default"' --cfg 'feature="parallel"' --cfg 'feature="rayon"' --cfg 'feature="std"' -C metadata=e51ea5e938853f11 -C extra-filename=-e51ea5e938853f11 --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --extern ark_bls12_377=/opt/rustwide/target/debug/deps/libark_bls12_377-502c01a5ae7cf641.rlib --extern ark_bls12_381=/opt/rustwide/target/debug/deps/libark_bls12_381-3367a64f90a79ec7.rlib --extern ark_ec=/opt/rustwide/target/debug/deps/libark_ec-3cfc80d4274ebd35.rlib --extern ark_ed_on_bls12_381=/opt/rustwide/target/debug/deps/libark_ed_on_bls12_381-7e5e22aa2987ba12.rlib --extern ark_ff=/opt/rustwide/target/debug/deps/libark_ff-64f9bf18b2eb9061.rlib --extern ark_nonnative_field=/opt/rustwide/target/debug/deps/libark_nonnative_field-710795d1b76dd050.rlib --extern ark_poly=/opt/rustwide/target/debug/deps/libark_poly-b53b25cf2c7104ee.rlib --extern ark_relations=/opt/rustwide/target/debug/deps/libark_relations-ec6a98cb8c1d225e.rlib --extern ark_serialize=/opt/rustwide/target/debug/deps/libark_serialize-2de34682bbc78315.rlib --extern ark_std=/opt/rustwide/target/debug/deps/libark_std-b902024095eb740a.rlib --extern blake2=/opt/rustwide/target/debug/deps/libblake2-9e01aa2fa7d4eaa4.rlib --extern derivative=/opt/rustwide/target/debug/deps/libderivative-973c8c05e883a64d.so --extern digest=/opt/rustwide/target/debug/deps/libdigest-33257b4f940c8834.rlib --extern rayon=/opt/rustwide/target/debug/deps/librayon-ca6b2c9513b376c5.rlib --extern tracing=/opt/rustwide/target/debug/deps/libtracing-219cfba8b29871a3.rlib --cap-lints=forbid` (signal: 9, SIGKILL: kill)
[INFO] running `Command { std: "docker" "inspect" "9a36b5cd0c38f08216f811f9d7cb0335492b723719d3083194a8851f3213dd75", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9a36b5cd0c38f08216f811f9d7cb0335492b723719d3083194a8851f3213dd75", kill_on_drop: false }`
[INFO] [stdout] 9a36b5cd0c38f08216f811f9d7cb0335492b723719d3083194a8851f3213dd75