[INFO] fetching crate ff-derive-arcium-fork 0.13.2...
[INFO] testing ff-derive-arcium-fork-0.13.2 against 1.90.0 for beta-1.91-3
[INFO] extracting crate ff-derive-arcium-fork 0.13.2 into /workspace/builds/worker-4-tc1/source
[INFO] started tweaking crates.io crate ff-derive-arcium-fork 0.13.2
[INFO] finished tweaking crates.io crate ff-derive-arcium-fork 0.13.2
[INFO] tweaked toml for crates.io crate ff-derive-arcium-fork 0.13.2 written to /workspace/builds/worker-4-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate ff-derive-arcium-fork 0.13.2 on toolchain 1.90.0
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.90.0" "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" "+1.90.0" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]      Locking 10 packages to latest compatible versions
[INFO] [stderr]       Adding num-bigint v0.3.3 (available: v0.4.6)
[INFO] [stderr]       Adding syn v1.0.109 (available: v2.0.106)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.90.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded addchain-arcium-fork v0.2.1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/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" "+1.90.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 9bdb2f0aa3dfe7b4c63e817a3eea3fc6ad2f800fd80d1eebeae16a292f30c346
[INFO] running `Command { std: "docker" "start" "-a" "9bdb2f0aa3dfe7b4c63e817a3eea3fc6ad2f800fd80d1eebeae16a292f30c346", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "9bdb2f0aa3dfe7b4c63e817a3eea3fc6ad2f800fd80d1eebeae16a292f30c346", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9bdb2f0aa3dfe7b4c63e817a3eea3fc6ad2f800fd80d1eebeae16a292f30c346", kill_on_drop: false }`
[INFO] [stdout] 9bdb2f0aa3dfe7b4c63e817a3eea3fc6ad2f800fd80d1eebeae16a292f30c346
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/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" "RUSTDOCFLAGS=--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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+1.90.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 7e8e2618169b586caa1a3b550892fcb22cceb311082ff59543802babbf7a0024
[INFO] running `Command { std: "docker" "start" "-a" "7e8e2618169b586caa1a3b550892fcb22cceb311082ff59543802babbf7a0024", kill_on_drop: false }`
[INFO] [stderr]    Compiling num-traits v0.2.19
[INFO] [stderr]    Compiling num-bigint v0.3.3
[INFO] [stderr]    Compiling cfg-if v1.0.3
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]    Compiling num-integer v0.1.46
[INFO] [stderr]    Compiling addchain-arcium-fork v0.2.1
[INFO] [stderr]    Compiling ff-derive-arcium-fork v0.13.2 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 3.85s
[INFO] running `Command { std: "docker" "inspect" "7e8e2618169b586caa1a3b550892fcb22cceb311082ff59543802babbf7a0024", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7e8e2618169b586caa1a3b550892fcb22cceb311082ff59543802babbf7a0024", kill_on_drop: false }`
[INFO] [stdout] 7e8e2618169b586caa1a3b550892fcb22cceb311082ff59543802babbf7a0024
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/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" "RUSTDOCFLAGS=--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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+1.90.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 03a3f80ca7fca006c0d65661832d55be1b54bb178e00dde4d7dead2c623c56d3
[INFO] running `Command { std: "docker" "start" "-a" "03a3f80ca7fca006c0d65661832d55be1b54bb178e00dde4d7dead2c623c56d3", kill_on_drop: false }`
[INFO] [stderr]    Compiling ff-derive-arcium-fork v0.13.2 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `y`
[INFO] [stdout]     --> src/lib.rs:1421:13
[INFO] [stdout]      |
[INFO] [stdout] 1421 |         let y = prime_field_2(blabla);
[INFO] [stdout]      |             ^ help: if this is intentional, prefix it with an underscore: `_y`
[INFO] [stdout]      |
[INFO] [stdout]      = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.99s
[INFO] running `Command { std: "docker" "inspect" "03a3f80ca7fca006c0d65661832d55be1b54bb178e00dde4d7dead2c623c56d3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "03a3f80ca7fca006c0d65661832d55be1b54bb178e00dde4d7dead2c623c56d3", kill_on_drop: false }`
[INFO] [stdout] 03a3f80ca7fca006c0d65661832d55be1b54bb178e00dde4d7dead2c623c56d3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/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" "RUSTDOCFLAGS=--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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+1.90.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] d057332fad5f8ac5c44e27ecdcacc66e07204d6e210d2e3d148d7f54e0b228d1
[INFO] running `Command { std: "docker" "start" "-a" "d057332fad5f8ac5c44e27ecdcacc66e07204d6e210d2e3d148d7f54e0b228d1", kill_on_drop: false }`
[INFO] [stderr] warning: unused variable: `y`
[INFO] [stderr]     --> src/lib.rs:1421:13
[INFO] [stderr]      |
[INFO] [stderr] 1421 |         let y = prime_field_2(blabla);
[INFO] [stderr]      |             ^ help: if this is intentional, prefix it with an underscore: `_y`
[INFO] [stderr]      |
[INFO] [stderr]      = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `ff-derive-arcium-fork` (lib test) generated 1 warning
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/ff_derive_arcium_fork-c1733d6d285a161d)
[INFO] [stdout] 
[INFO] [stdout] running 2 tests
[INFO] [stdout] test test_exp ... ok
[INFO] [stdout] test tests::test ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 2 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 4.72s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests ff_derive_arcium_fork
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "d057332fad5f8ac5c44e27ecdcacc66e07204d6e210d2e3d148d7f54e0b228d1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d057332fad5f8ac5c44e27ecdcacc66e07204d6e210d2e3d148d7f54e0b228d1", kill_on_drop: false }`
[INFO] [stdout] d057332fad5f8ac5c44e27ecdcacc66e07204d6e210d2e3d148d7f54e0b228d1