[INFO] fetching crate ark-nonnative-field 0.3.0...
[INFO] building ark-nonnative-field-0.3.0 against master#0da281b6068a7d889ae89a9bd8991284cc9b7535 for pr-103610
[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 0da281b6068a7d889ae89a9bd8991284cc9b7535
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+0da281b6068a7d889ae89a9bd8991284cc9b7535" "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" "+0da281b6068a7d889ae89a9bd8991284cc9b7535" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+0da281b6068a7d889ae89a9bd8991284cc9b7535" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded ark-mnt4-753 v0.3.0
[INFO] [stderr]   Downloaded ark-mnt4-298 v0.3.0
[INFO] [stderr]   Downloaded ark-bls12-381 v0.3.0
[INFO] [stderr]   Downloaded ark-mnt6-298 v0.3.0
[INFO] [stderr]   Downloaded ark-mnt6-753 v0.3.0
[INFO] [stderr]   Downloaded ark-pallas 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@sha256:83125433e4fff17b1ac56874832f668d9df75ee638575aca552b68e127bedee9" "/opt/rustwide/cargo-home/bin/cargo" "+0da281b6068a7d889ae89a9bd8991284cc9b7535" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 0ebd839dd4c6853cf904be58ad01c43e1e47a7fda6a37ed65bbeb6b45d59e5b2
[INFO] running `Command { std: "docker" "start" "-a" "0ebd839dd4c6853cf904be58ad01c43e1e47a7fda6a37ed65bbeb6b45d59e5b2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "0ebd839dd4c6853cf904be58ad01c43e1e47a7fda6a37ed65bbeb6b45d59e5b2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0ebd839dd4c6853cf904be58ad01c43e1e47a7fda6a37ed65bbeb6b45d59e5b2", kill_on_drop: false }`
[INFO] [stdout] 0ebd839dd4c6853cf904be58ad01c43e1e47a7fda6a37ed65bbeb6b45d59e5b2
[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" "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@sha256:83125433e4fff17b1ac56874832f668d9df75ee638575aca552b68e127bedee9" "/opt/rustwide/cargo-home/bin/cargo" "+0da281b6068a7d889ae89a9bd8991284cc9b7535" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 4188bb5444213c13dbc05b9c85dc8e928617c2cbc98596b87d1164f0edafc675
[INFO] running `Command { std: "docker" "start" "-a" "4188bb5444213c13dbc05b9c85dc8e928617c2cbc98596b87d1164f0edafc675", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.47
[INFO] [stderr]    Compiling unicode-ident v1.0.5
[INFO] [stderr]    Compiling quote v1.0.21
[INFO] [stderr]    Compiling syn v1.0.103
[INFO] [stderr]    Compiling autocfg v1.1.0
[INFO] [stderr]    Compiling thiserror v1.0.37
[INFO] [stderr]    Compiling ucd-trie v0.1.5
[INFO] [stderr]    Compiling typenum v1.15.0
[INFO] [stderr]    Compiling version_check v0.9.4
[INFO] [stderr]    Compiling rand_core v0.6.4
[INFO] [stderr]    Compiling ppv-lite86 v0.2.16
[INFO] [stderr]    Compiling unicode-xid v0.2.4
[INFO] [stderr]    Compiling paste v1.0.9
[INFO] [stderr]    Compiling cfg-if v1.0.0
[INFO] [stderr]    Compiling tracing-core v0.1.30
[INFO] [stderr]    Compiling pin-project-lite v0.2.9
[INFO] [stderr]    Compiling rand_chacha v0.3.1
[INFO] [stderr]    Compiling generic-array v0.14.6
[INFO] [stderr]    Compiling num-traits v0.2.15
[INFO] [stderr]    Compiling num-integer v0.1.45
[INFO] [stderr]    Compiling num-bigint v0.4.3
[INFO] [stderr]    Compiling rand v0.8.5
[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 synstructure v0.12.6
[INFO] [stderr]    Compiling thiserror-impl v1.0.37
[INFO] [stderr]    Compiling zeroize_derive v1.3.2
[INFO] [stderr]    Compiling ark-ff-macros v0.3.0
[INFO] [stderr]    Compiling ark-ff-asm v0.3.0
[INFO] [stderr]    Compiling derivative v2.2.0
[INFO] [stderr]    Compiling tracing-attributes v0.1.23
[INFO] [stderr]    Compiling zeroize v1.5.7
[INFO] [stderr]    Compiling pest v2.4.0
[INFO] [stderr]    Compiling tracing v0.1.37
[INFO] [stderr]    Compiling semver-parser v0.10.2
[INFO] [stderr]    Compiling semver v0.11.0
[INFO] [stderr]    Compiling rustc_version v0.3.3
[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-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 28.77s
[INFO] running `Command { std: "docker" "inspect" "4188bb5444213c13dbc05b9c85dc8e928617c2cbc98596b87d1164f0edafc675", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4188bb5444213c13dbc05b9c85dc8e928617c2cbc98596b87d1164f0edafc675", kill_on_drop: false }`
[INFO] [stdout] 4188bb5444213c13dbc05b9c85dc8e928617c2cbc98596b87d1164f0edafc675
[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" "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@sha256:83125433e4fff17b1ac56874832f668d9df75ee638575aca552b68e127bedee9" "/opt/rustwide/cargo-home/bin/cargo" "+0da281b6068a7d889ae89a9bd8991284cc9b7535" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 4e84cdb6debc04820f5c5d862f6685a32707a56d1830592e27ad7c9d557cbb9e
[INFO] running `Command { std: "docker" "start" "-a" "4e84cdb6debc04820f5c5d862f6685a32707a56d1830592e27ad7c9d557cbb9e", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.47
[INFO] [stderr]    Compiling unicode-ident v1.0.5
[INFO] [stderr]    Compiling quote v1.0.21
[INFO] [stderr]    Compiling syn v1.0.103
[INFO] [stderr]    Compiling autocfg v1.1.0
[INFO] [stderr]    Compiling thiserror v1.0.37
[INFO] [stderr]    Compiling ucd-trie v0.1.5
[INFO] [stderr]    Compiling typenum v1.15.0
[INFO] [stderr]    Compiling version_check v0.9.4
[INFO] [stderr]    Compiling ppv-lite86 v0.2.16
[INFO] [stderr]    Compiling rand_core v0.6.4
[INFO] [stderr]    Compiling unicode-xid v0.2.4
[INFO] [stderr]    Compiling paste v1.0.9
[INFO] [stderr]    Compiling pin-project-lite v0.2.9
[INFO] [stderr]    Compiling tracing-core v0.1.30
[INFO] [stderr]    Compiling cfg-if v1.0.0
[INFO] [stderr]    Compiling generic-array v0.14.6
[INFO] [stderr]    Compiling num-traits v0.2.15
[INFO] [stderr]    Compiling num-integer v0.1.45
[INFO] [stderr]    Compiling num-bigint v0.4.3
[INFO] [stderr]    Compiling rand_chacha v0.3.1
[INFO] [stderr]    Compiling rand v0.8.5
[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 synstructure v0.12.6
[INFO] [stderr]    Compiling thiserror-impl v1.0.37
[INFO] [stderr]    Compiling zeroize_derive v1.3.2
[INFO] [stderr]    Compiling derivative v2.2.0
[INFO] [stderr]    Compiling ark-ff-asm v0.3.0
[INFO] [stderr]    Compiling ark-ff-macros v0.3.0
[INFO] [stderr]    Compiling tracing-attributes v0.1.23
[INFO] [stderr]    Compiling zeroize v1.5.7
[INFO] [stderr]    Compiling pest v2.4.0
[INFO] [stderr]    Compiling tracing v0.1.37
[INFO] [stderr]    Compiling semver-parser v0.10.2
[INFO] [stderr]    Compiling semver v0.11.0
[INFO] [stderr]    Compiling rustc_version v0.3.3
[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-r1cs-std v0.3.1
[INFO] [stderr]    Compiling ark-mnt4-298 v0.3.0
[INFO] [stderr]    Compiling ark-pallas v0.3.0
[INFO] [stderr]    Compiling ark-bls12-377 v0.3.0
[INFO] [stderr]    Compiling ark-bls12-381 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]     Finished test [optimized + debuginfo] target(s) in 2m 22s
[INFO] running `Command { std: "docker" "inspect" "4e84cdb6debc04820f5c5d862f6685a32707a56d1830592e27ad7c9d557cbb9e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4e84cdb6debc04820f5c5d862f6685a32707a56d1830592e27ad7c9d557cbb9e", kill_on_drop: false }`
[INFO] [stdout] 4e84cdb6debc04820f5c5d862f6685a32707a56d1830592e27ad7c9d557cbb9e