[INFO] fetching crate r1cs-bellman 0.1.1...
[INFO] building r1cs-bellman-0.1.1 against try#4987e9d4227139400384ab59296ffee3b0fb1183 for pr-146237-2
[INFO] extracting crate r1cs-bellman 0.1.1 into /workspace/builds/worker-3-tc2/source
[INFO] started tweaking crates.io crate r1cs-bellman 0.1.1
[INFO] finished tweaking crates.io crate r1cs-bellman 0.1.1
[INFO] tweaked toml for crates.io crate r1cs-bellman 0.1.1 written to /workspace/builds/worker-3-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate r1cs-bellman 0.1.1 on toolchain 4987e9d4227139400384ab59296ffee3b0fb1183
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+4987e9d4227139400384ab59296ffee3b0fb1183" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+4987e9d4227139400384ab59296ffee3b0fb1183" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 36 packages to latest compatible versions
[INFO] [stderr]       Adding bellman v0.1.0 (available: v0.14.0)
[INFO] [stderr]       Adding num v0.2.1 (available: v0.4.3)
[INFO] [stderr]       Adding pairing v0.14.2 (available: v0.23.0)
[INFO] [stderr]       Adding r1cs v0.3.10 (available: v0.4.7)
[INFO] [stderr]       Adding rand v0.4.6 (available: v0.9.2)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+4987e9d4227139400384ab59296ffee3b0fb1183" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+4987e9d4227139400384ab59296ffee3b0fb1183" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 835b08d04d04935dfc95f7a782d8e68078bb6a58e100f1ed774987fb34c1348f
[INFO] running `Command { std: "docker" "start" "-a" "835b08d04d04935dfc95f7a782d8e68078bb6a58e100f1ed774987fb34c1348f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "835b08d04d04935dfc95f7a782d8e68078bb6a58e100f1ed774987fb34c1348f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "835b08d04d04935dfc95f7a782d8e68078bb6a58e100f1ed774987fb34c1348f", kill_on_drop: false }`
[INFO] [stdout] 835b08d04d04935dfc95f7a782d8e68078bb6a58e100f1ed774987fb34c1348f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+4987e9d4227139400384ab59296ffee3b0fb1183" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] a5981ab1d664706ad7ab52ecb243e92fe8b38ee896ff5b06f5a996f7ed6e7359
[INFO] running `Command { std: "docker" "start" "-a" "a5981ab1d664706ad7ab52ecb243e92fe8b38ee896ff5b06f5a996f7ed6e7359", kill_on_drop: false }`
[INFO] [stderr]    Compiling rand_core v0.4.2
[INFO] [stderr]    Compiling num-bigint v0.2.6
[INFO] [stderr]    Compiling autocfg v0.1.8
[INFO] [stderr]    Compiling num-complex v0.2.4
[INFO] [stderr]    Compiling num-rational v0.2.4
[INFO] [stderr]    Compiling futures v0.1.31
[INFO] [stderr]    Compiling itertools v0.8.2
[INFO] [stderr]    Compiling bit-vec v0.4.4
[INFO] [stderr]    Compiling crossbeam v0.3.2
[INFO] [stderr]    Compiling bimap v0.4.0
[INFO] [stderr]    Compiling num-integer v0.1.46
[INFO] [stderr]    Compiling rand v0.4.6
[INFO] [stderr]    Compiling num_cpus v1.17.0
[INFO] [stderr]    Compiling rand_chacha v0.1.1
[INFO] [stderr]    Compiling rand_core v0.3.1
[INFO] [stderr]    Compiling rand v0.5.6
[INFO] [stderr]    Compiling num-iter v0.1.45
[INFO] [stderr]    Compiling pairing v0.14.2
[INFO] [stderr]    Compiling futures-cpupool v0.1.8
[INFO] [stderr]    Compiling bellman v0.1.0
[INFO] [stderr]    Compiling num v0.2.1
[INFO] [stderr]    Compiling r1cs v0.3.10
[INFO] [stderr]    Compiling r1cs-bellman v0.1.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 6.82s
[INFO] running `Command { std: "docker" "inspect" "a5981ab1d664706ad7ab52ecb243e92fe8b38ee896ff5b06f5a996f7ed6e7359", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a5981ab1d664706ad7ab52ecb243e92fe8b38ee896ff5b06f5a996f7ed6e7359", kill_on_drop: false }`
[INFO] [stdout] a5981ab1d664706ad7ab52ecb243e92fe8b38ee896ff5b06f5a996f7ed6e7359
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+4987e9d4227139400384ab59296ffee3b0fb1183" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 2c60c7ce96c33e84ef56f682f72ab72c1b99b289df5da14008bf9caf44d3830e
[INFO] running `Command { std: "docker" "start" "-a" "2c60c7ce96c33e84ef56f682f72ab72c1b99b289df5da14008bf9caf44d3830e", kill_on_drop: false }`
[INFO] [stderr]    Compiling r1cs-bellman v0.1.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `Gadget`
[INFO] [stdout]   --> src/lib.rs:64:36
[INFO] [stdout]    |
[INFO] [stdout] 64 |     use r1cs::{Bls12_381, Element, Gadget, GadgetBuilder};
[INFO] [stdout]    |                                    ^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 1.74s
[INFO] running `Command { std: "docker" "inspect" "2c60c7ce96c33e84ef56f682f72ab72c1b99b289df5da14008bf9caf44d3830e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2c60c7ce96c33e84ef56f682f72ab72c1b99b289df5da14008bf9caf44d3830e", kill_on_drop: false }`
[INFO] [stdout] 2c60c7ce96c33e84ef56f682f72ab72c1b99b289df5da14008bf9caf44d3830e