[INFO] cloning repository https://github.com/winderica/zk_linear_regression
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/winderica/zk_linear_regression" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fwinderica%2Fzk_linear_regression", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fwinderica%2Fzk_linear_regression'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] e5b0b0c80210058e18ebfa11d1efb64e6f8d899c
[INFO] building winderica/zk_linear_regression against master#87788097b776f8e3662f76627944230684b671bd for pr-101591
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fwinderica%2Fzk_linear_regression" "/workspace/builds/worker-0/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-0/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/winderica/zk_linear_regression on toolchain 87788097b776f8e3662f76627944230684b671bd
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+87788097b776f8e3662f76627944230684b671bd" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/winderica/zk_linear_regression
[INFO] finished tweaking git repo https://github.com/winderica/zk_linear_regression
[INFO] tweaked toml for git repo https://github.com/winderica/zk_linear_regression written to /workspace/builds/worker-0/source/Cargo.toml
[INFO] crate git repo https://github.com/winderica/zk_linear_regression already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+87788097b776f8e3662f76627944230684b671bd" "fetch" "--manifest-path" "Cargo.toml", 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]  Downloading crates ...
[INFO] [stderr]   Downloaded ark-bls12-381 v0.3.0
[INFO] [stderr]   Downloaded blake2 v0.9.2
[INFO] [stderr]   Downloaded ark-snark v0.3.0
[INFO] [stderr]   Downloaded ark-ff v0.3.0
[INFO] [stderr]   Downloaded ark-ff-macros v0.3.0
[INFO] [stderr]   Downloaded ark-groth16 v0.3.0
[INFO] [stderr]   Downloaded ark-poly v0.3.0
[INFO] [stderr]   Downloaded ark-ec v0.3.0
[INFO] [stderr]   Downloaded ark-r1cs-std v0.3.1
[INFO] [stderr]   Downloaded ark-ff-asm v0.3.0
[INFO] [stderr]   Downloaded ark-serialize v0.3.0
[INFO] [stderr]   Downloaded ark-std v0.3.0
[INFO] [stderr]   Downloaded ark-relations v0.3.0
[INFO] [stderr]   Downloaded serde_json v1.0.80
[INFO] [stderr]   Downloaded ark-crypto-primitives v0.3.0
[INFO] [stderr]   Downloaded ark-serialize-derive v0.3.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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@sha256:824c28ce115f6b999260af6986f3384c158e782489540e41c0b698ca1d9fd927" "/opt/rustwide/cargo-home/bin/cargo" "+87788097b776f8e3662f76627944230684b671bd" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 5ca70eda3c95fcd5acec6ca124a399ace402ddfc643a02b50d58dce41eac02be
[INFO] running `Command { std: "docker" "start" "-a" "5ca70eda3c95fcd5acec6ca124a399ace402ddfc643a02b50d58dce41eac02be", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "5ca70eda3c95fcd5acec6ca124a399ace402ddfc643a02b50d58dce41eac02be", kill_on_drop: false }`
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[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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@sha256:824c28ce115f6b999260af6986f3384c158e782489540e41c0b698ca1d9fd927" "/opt/rustwide/cargo-home/bin/cargo" "+87788097b776f8e3662f76627944230684b671bd" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 84ce9b44a40b19523d89bbbb3d128225e58cda2d5e9e502793d32d96e7740bca
[INFO] running `Command { std: "docker" "start" "-a" "84ce9b44a40b19523d89bbbb3d128225e58cda2d5e9e502793d32d96e7740bca", kill_on_drop: false }`
[INFO] [stderr]    Compiling autocfg v1.1.0
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[INFO] [stderr]     Finished dev [optimized + debuginfo] target(s) in 32.98s
[INFO] running `Command { std: "docker" "inspect" "84ce9b44a40b19523d89bbbb3d128225e58cda2d5e9e502793d32d96e7740bca", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "84ce9b44a40b19523d89bbbb3d128225e58cda2d5e9e502793d32d96e7740bca", kill_on_drop: false }`
[INFO] [stdout] 84ce9b44a40b19523d89bbbb3d128225e58cda2d5e9e502793d32d96e7740bca
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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@sha256:824c28ce115f6b999260af6986f3384c158e782489540e41c0b698ca1d9fd927" "/opt/rustwide/cargo-home/bin/cargo" "+87788097b776f8e3662f76627944230684b671bd" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] aeb9ad06a65ffc2a0141af684edfd2bfaa790d85166dfda5a19dca548c833bc2
[INFO] running `Command { std: "docker" "start" "-a" "aeb9ad06a65ffc2a0141af684edfd2bfaa790d85166dfda5a19dca548c833bc2", kill_on_drop: false }`
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[INFO] [stderr]    Compiling bstr v0.2.17
[INFO] [stderr]    Compiling serde_cbor v0.11.2
[INFO] [stderr]    Compiling ark-std v0.3.0
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[INFO] [stderr]    Compiling ark-serialize v0.3.0
[INFO] [stderr]    Compiling num v0.4.0
[INFO] [stderr]    Compiling tinytemplate v1.2.1
[INFO] [stderr]    Compiling criterion v0.3.5
[INFO] [stderr]    Compiling ark-ec v0.3.0
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[INFO] [stderr]    Compiling ark-poly v0.3.0
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[INFO] [stderr]    Compiling ark-r1cs-std v0.3.1
[INFO] [stderr]    Compiling ark-crypto-primitives v0.3.0
[INFO] [stderr]    Compiling ark-bls12-381 v0.3.0
[INFO] [stderr]    Compiling ark-groth16 v0.3.0
[INFO] [stderr]    Compiling r1cs_float v0.0.0 (/opt/rustwide/workdir)
[INFO] [stderr] error: could not compile `r1cs_float`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustc --crate-name inference --edition=2021 examples/inference.rs --error-format=json --json=diagnostic-rendered-ansi,artifacts,future-incompat --crate-type bin --emit=dep-info,link -C opt-level=3 -C embed-bitcode=no -C debuginfo=2 -C debug-assertions=on -C metadata=971409320fd32af6 -C extra-filename=-971409320fd32af6 --out-dir /opt/rustwide/target/debug/examples -L dependency=/opt/rustwide/target/debug/deps --extern ark_bls12_381=/opt/rustwide/target/debug/deps/libark_bls12_381-f6af3554562353bc.rlib --extern ark_ff=/opt/rustwide/target/debug/deps/libark_ff-0ab7a2939046fe8c.rlib --extern ark_groth16=/opt/rustwide/target/debug/deps/libark_groth16-929bed7ae66581e4.rlib --extern ark_r1cs_std=/opt/rustwide/target/debug/deps/libark_r1cs_std-ba758bdc1ae753ee.rlib --extern ark_relations=/opt/rustwide/target/debug/deps/libark_relations-c966607fc3b96c12.rlib --extern criterion=/opt/rustwide/target/debug/deps/libcriterion-70c75902d8b90e26.rlib --extern num=/opt/rustwide/target/debug/deps/libnum-825290ccfde28272.rlib --extern r1cs_float=/opt/rustwide/target/debug/deps/libr1cs_float-c92c97696852a5fc.rlib --extern rand=/opt/rustwide/target/debug/deps/librand-237c7b3d768901f7.rlib --extern rayon=/opt/rustwide/target/debug/deps/librayon-f85ec4e1aba76e26.rlib --cap-lints=forbid` (signal: 9, SIGKILL: kill)
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] running `Command { std: "docker" "inspect" "aeb9ad06a65ffc2a0141af684edfd2bfaa790d85166dfda5a19dca548c833bc2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "aeb9ad06a65ffc2a0141af684edfd2bfaa790d85166dfda5a19dca548c833bc2", kill_on_drop: false }`
[INFO] [stdout] aeb9ad06a65ffc2a0141af684edfd2bfaa790d85166dfda5a19dca548c833bc2