[INFO] fetching crate ark-nonnative-field 0.3.0...
[INFO] testing ark-nonnative-field-0.3.0 against beta-2021-08-01 for beta-1.55-1
[INFO] extracting crate ark-nonnative-field 0.3.0 into /workspace/builds/worker-6/source
[INFO] validating manifest of crates.io crate ark-nonnative-field 0.3.0 on toolchain beta-2021-08-01
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-08-01" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate ark-nonnative-field 0.3.0
[INFO] finished tweaking crates.io crate ark-nonnative-field 0.3.0
[INFO] tweaked toml for crates.io crate ark-nonnative-field 0.3.0 written to /workspace/builds/worker-6/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-08-01" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-08-01" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded ark-mnt4-298 v0.3.0
[INFO] [stderr]   Downloaded ark-mnt6-753 v0.3.0
[INFO] [stderr]   Downloaded ark-mnt6-298 v0.3.0
[INFO] [stderr]   Downloaded ark-mnt4-753 v0.3.0
[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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-08-01" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 2cbd5ac3db2102da45526fd3bfb689e90445396eb951d6d0bd55e472342f7478
[INFO] running `Command { std: "docker" "start" "-a" "2cbd5ac3db2102da45526fd3bfb689e90445396eb951d6d0bd55e472342f7478", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "2cbd5ac3db2102da45526fd3bfb689e90445396eb951d6d0bd55e472342f7478", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2cbd5ac3db2102da45526fd3bfb689e90445396eb951d6d0bd55e472342f7478", kill_on_drop: false }`
[INFO] [stdout] 2cbd5ac3db2102da45526fd3bfb689e90445396eb951d6d0bd55e472342f7478
[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=warn" "-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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-08-01" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 370b053451cdb3b92a851e8c05ba9a999fb457ee2a9537e0f0614a175289812c
[INFO] running `Command { std: "docker" "start" "-a" "370b053451cdb3b92a851e8c05ba9a999fb457ee2a9537e0f0614a175289812c", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling ucd-trie v0.1.3
[INFO] [stderr]    Compiling ppv-lite86 v0.2.10
[INFO] [stderr]    Compiling rand_core v0.6.3
[INFO] [stderr]    Compiling tracing-core v0.1.18
[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]    Compiling generic-array v0.14.4
[INFO] [stderr]    Compiling num-bigint v0.4.0
[INFO] [stderr]    Compiling synstructure v0.12.5
[INFO] [stderr]    Compiling derivative v2.2.0
[INFO] [stderr]    Compiling ark-ff-asm v0.3.0
[INFO] [stderr]    Compiling tracing-attributes v0.1.15
[INFO] [stderr]    Compiling pest v2.1.3
[INFO] [stderr]    Compiling rand_chacha v0.3.1
[INFO] [stderr]    Compiling rand v0.8.4
[INFO] [stderr]    Compiling digest v0.9.0
[INFO] [stderr]    Compiling zeroize_derive v1.1.0
[INFO] [stderr]    Compiling semver-parser v0.10.2
[INFO] [stderr]    Compiling num-integer v0.1.44
[INFO] [stderr]    Compiling ark-std v0.3.0
[INFO] [stderr]    Compiling ark-serialize v0.3.0
[INFO] [stderr]    Compiling semver v0.11.0
[INFO] [stderr]    Compiling rustc_version v0.3.3
[INFO] [stderr]    Compiling zeroize v1.4.1
[INFO] [stderr]    Compiling tracing v0.1.26
[INFO] [stderr]    Compiling ark-ff v0.3.0
[INFO] [stderr]    Compiling ark-ff-macros v0.3.0
[INFO] [stderr]    Compiling ark-ec v0.3.0
[INFO] [stderr]    Compiling ark-relations v0.3.0
[INFO] [stderr]    Compiling ark-r1cs-std v0.3.1
[INFO] [stderr]    Compiling ark-nonnative-field v0.3.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 38.70s
[INFO] running `Command { std: "docker" "inspect" "370b053451cdb3b92a851e8c05ba9a999fb457ee2a9537e0f0614a175289812c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "370b053451cdb3b92a851e8c05ba9a999fb457ee2a9537e0f0614a175289812c", kill_on_drop: false }`
[INFO] [stdout] 370b053451cdb3b92a851e8c05ba9a999fb457ee2a9537e0f0614a175289812c
[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=warn" "-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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-08-01" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 41bc02ac871462eba6aa56fbfbf5c50c5bbd2ee1e8d511c428391d762afb57ee
[INFO] running `Command { std: "docker" "start" "-a" "41bc02ac871462eba6aa56fbfbf5c50c5bbd2ee1e8d511c428391d762afb57ee", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling rand_core v0.6.3
[INFO] [stderr]    Compiling ppv-lite86 v0.2.10
[INFO] [stderr]    Compiling tracing-core v0.1.18
[INFO] [stderr]    Compiling cfg-if v1.0.0
[INFO] [stderr]    Compiling pin-project-lite v0.2.7
[INFO] [stderr]    Compiling typenum v1.13.0
[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]    Compiling zeroize v1.4.1
[INFO] [stderr]    Compiling rand_chacha v0.3.1
[INFO] [stderr]    Compiling tracing v0.1.26
[INFO] [stderr]    Compiling num-integer v0.1.44
[INFO] [stderr]    Compiling generic-array v0.14.4
[INFO] [stderr]    Compiling rand v0.8.4
[INFO] [stderr]    Compiling num-bigint v0.4.0
[INFO] [stderr]    Compiling ark-std v0.3.0
[INFO] [stderr]    Compiling digest v0.9.0
[INFO] [stderr]    Compiling ark-serialize v0.3.0
[INFO] [stderr]    Compiling ark-ff-macros v0.3.0
[INFO] [stderr]    Compiling ark-ff v0.3.0
[INFO] [stderr]    Compiling ark-ec v0.3.0
[INFO] [stderr]    Compiling ark-relations v0.3.0
[INFO] [stderr]    Compiling ark-mnt4-753 v0.3.0
[INFO] [stderr]    Compiling ark-mnt4-298 v0.3.0
[INFO] [stderr]    Compiling ark-r1cs-std v0.3.1
[INFO] [stderr]    Compiling ark-bls12-377 v0.3.0
[INFO] [stderr]    Compiling ark-bls12-381 v0.3.0
[INFO] [stderr]    Compiling ark-pallas v0.3.0
[INFO] [stderr]    Compiling ark-mnt6-298 v0.3.0
[INFO] [stderr]    Compiling ark-mnt6-753 v0.3.0
[INFO] [stderr]    Compiling ark-nonnative-field v0.3.0 (/opt/rustwide/workdir)
[INFO] [stderr] error: could not compile `ark-nonnative-field`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustc --crate-name arithmetic_tests --edition=2018 tests/arithmetic_tests.rs --error-format=json --json=diagnostic-rendered-ansi --emit=dep-info,link -C opt-level=3 -C lto=thin -C debuginfo=2 -C debug-assertions=on --test --cfg 'feature="default"' -C metadata=5db69d7179d05ab4 -C extra-filename=-5db69d7179d05ab4 --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_377-822061a4e92f4fba.rlib --extern ark_bls12_381=/opt/rustwide/target/debug/deps/libark_bls12_381-0518dc371f6f2058.rlib --extern ark_ec=/opt/rustwide/target/debug/deps/libark_ec-f7e7b31b3fab33cb.rlib --extern ark_ff=/opt/rustwide/target/debug/deps/libark_ff-d73997517d2f0177.rlib --extern ark_mnt4_298=/opt/rustwide/target/debug/deps/libark_mnt4_298-eec81c7e83b37e81.rlib --extern ark_mnt4_753=/opt/rustwide/target/debug/deps/libark_mnt4_753-8b8445069f1c3af0.rlib --extern ark_mnt6_298=/opt/rustwide/target/debug/deps/libark_mnt6_298-3211d5d1f65a80a9.rlib --extern ark_mnt6_753=/opt/rustwide/target/debug/deps/libark_mnt6_753-0333a7be9591e563.rlib --extern ark_nonnative_field=/opt/rustwide/target/debug/deps/libark_nonnative_field-828267344c585ff2.rlib --extern ark_pallas=/opt/rustwide/target/debug/deps/libark_pallas-a67b9a3e8e245ce1.rlib --extern ark_r1cs_std=/opt/rustwide/target/debug/deps/libark_r1cs_std-5162a7dfbbe708f1.rlib --extern ark_relations=/opt/rustwide/target/debug/deps/libark_relations-8de13d8589867888.rlib --extern ark_std=/opt/rustwide/target/debug/deps/libark_std-1fab84d4323f1fc5.rlib --extern derivative=/opt/rustwide/target/debug/deps/libderivative-de460b23bcd1c5e5.so --extern num_bigint=/opt/rustwide/target/debug/deps/libnum_bigint-b3f268fe4401b29a.rlib --extern num_integer=/opt/rustwide/target/debug/deps/libnum_integer-cdf347e991ed493b.rlib --extern num_traits=/opt/rustwide/target/debug/deps/libnum_traits-1d3e9d57a58601f9.rlib --extern paste=/opt/rustwide/target/debug/deps/libpaste-b728f708ddfc0fa7.so --extern tracing=/opt/rustwide/target/debug/deps/libtracing-191b8f607c8392a5.rlib --cap-lints=warn` (signal: 9, SIGKILL: kill)
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: build failed
[INFO] running `Command { std: "docker" "inspect" "41bc02ac871462eba6aa56fbfbf5c50c5bbd2ee1e8d511c428391d762afb57ee", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "41bc02ac871462eba6aa56fbfbf5c50c5bbd2ee1e8d511c428391d762afb57ee", kill_on_drop: false }`
[INFO] [stdout] 41bc02ac871462eba6aa56fbfbf5c50c5bbd2ee1e8d511c428391d762afb57ee
