[INFO] fetching crate ff-derive-arcium-fork 0.13.2...
[INFO] testing ff-derive-arcium-fork-0.13.2 against master#562dee4820c458d823175268e41601d4c060588a for pr-154210-1
[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 562dee4820c458d823175268e41601d4c060588a
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+562dee4820c458d823175268e41601d4c060588a" "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" "+562dee4820c458d823175268e41601d4c060588a" "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: v2.0.117)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+562dee4820c458d823175268e41601d4c060588a" "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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+562dee4820c458d823175268e41601d4c060588a" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 56d5cf264a1963afa13913d02990c622fa0f51fe6702e18cac565324bfe85591
[INFO] running `Command { std: "docker" "start" "-a" "56d5cf264a1963afa13913d02990c622fa0f51fe6702e18cac565324bfe85591", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "56d5cf264a1963afa13913d02990c622fa0f51fe6702e18cac565324bfe85591", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "56d5cf264a1963afa13913d02990c622fa0f51fe6702e18cac565324bfe85591", kill_on_drop: false }`
[INFO] [stdout] 56d5cf264a1963afa13913d02990c622fa0f51fe6702e18cac565324bfe85591
[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=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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+562dee4820c458d823175268e41601d4c060588a" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 5bfc123c3dc26c0359fae6d5f776d427cb7bb0702777a461e13e7158953a4868
[INFO] running `Command { std: "docker" "start" "-a" "5bfc123c3dc26c0359fae6d5f776d427cb7bb0702777a461e13e7158953a4868", 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 v1.0.4
[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 6.47s
[INFO] running `Command { std: "docker" "inspect" "5bfc123c3dc26c0359fae6d5f776d427cb7bb0702777a461e13e7158953a4868", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5bfc123c3dc26c0359fae6d5f776d427cb7bb0702777a461e13e7158953a4868", kill_on_drop: false }`
[INFO] [stdout] 5bfc123c3dc26c0359fae6d5f776d427cb7bb0702777a461e13e7158953a4868
[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=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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+562dee4820c458d823175268e41601d4c060588a" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 4f49d18e901555ca2b9c42467185b72cc7d7ad708991b141516951f7e0c7fcf3
[INFO] running `Command { std: "docker" "start" "-a" "4f49d18e901555ca2b9c42467185b72cc7d7ad708991b141516951f7e0c7fcf3", 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)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 1.81s
[INFO] running `Command { std: "docker" "inspect" "4f49d18e901555ca2b9c42467185b72cc7d7ad708991b141516951f7e0c7fcf3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4f49d18e901555ca2b9c42467185b72cc7d7ad708991b141516951f7e0c7fcf3", kill_on_drop: false }`
[INFO] [stdout] 4f49d18e901555ca2b9c42467185b72cc7d7ad708991b141516951f7e0c7fcf3
[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=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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+562dee4820c458d823175268e41601d4c060588a" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 9aa82cf081ba4dc2b7a7aee52b2ffdbbe754355646c22380b640a6d5b8774aeb
[INFO] running `Command { std: "docker" "start" "-a" "9aa82cf081ba4dc2b7a7aee52b2ffdbbe754355646c22380b640a6d5b8774aeb", 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)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `ff-derive-arcium-fork` (lib test) generated 1 warning (run `cargo fix --lib -p ff-derive-arcium-fork --tests` to apply 1 suggestion)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.07s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/ff_derive_arcium_fork-cc736ae4976c71fe)
[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 3.89s
[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" "9aa82cf081ba4dc2b7a7aee52b2ffdbbe754355646c22380b640a6d5b8774aeb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9aa82cf081ba4dc2b7a7aee52b2ffdbbe754355646c22380b640a6d5b8774aeb", kill_on_drop: false }`
[INFO] [stdout] 9aa82cf081ba4dc2b7a7aee52b2ffdbbe754355646c22380b640a6d5b8774aeb