[INFO] fetching crate ark-relations 0.2.0...
[INFO] building ark-relations-0.2.0 against master#881c1ac408d93bb7adaa3a51dabab9266e82eee8 for issue-85264
[INFO] extracting crate ark-relations 0.2.0 into /workspace/builds/worker-7/source
[INFO] validating manifest of crates.io crate ark-relations 0.2.0 on toolchain 881c1ac408d93bb7adaa3a51dabab9266e82eee8
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+881c1ac408d93bb7adaa3a51dabab9266e82eee8" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate ark-relations 0.2.0
[INFO] finished tweaking crates.io crate ark-relations 0.2.0
[INFO] tweaked toml for crates.io crate ark-relations 0.2.0 written to /workspace/builds/worker-7/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+881c1ac408d93bb7adaa3a51dabab9266e82eee8" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+881c1ac408d93bb7adaa3a51dabab9266e82eee8" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+881c1ac408d93bb7adaa3a51dabab9266e82eee8" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 7dd77825c37377032be0fb6f70b3d39e03bb54c0c13cccc53d90e8e53635b136
[INFO] running `Command { std: "docker" "start" "-a" "7dd77825c37377032be0fb6f70b3d39e03bb54c0c13cccc53d90e8e53635b136", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "7dd77825c37377032be0fb6f70b3d39e03bb54c0c13cccc53d90e8e53635b136", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7dd77825c37377032be0fb6f70b3d39e03bb54c0c13cccc53d90e8e53635b136", kill_on_drop: false }`
[INFO] [stdout] 7dd77825c37377032be0fb6f70b3d39e03bb54c0c13cccc53d90e8e53635b136
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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" "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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+881c1ac408d93bb7adaa3a51dabab9266e82eee8" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 3dce9bb99ec693b57928de817b1bf58ddc57062887b9716bea80bc118c706b69
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "3dce9bb99ec693b57928de817b1bf58ddc57062887b9716bea80bc118c706b69", kill_on_drop: false }`
[INFO] [stderr]    Compiling ark-relations v0.2.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.63s
[INFO] running `Command { std: "docker" "inspect" "3dce9bb99ec693b57928de817b1bf58ddc57062887b9716bea80bc118c706b69", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3dce9bb99ec693b57928de817b1bf58ddc57062887b9716bea80bc118c706b69", kill_on_drop: false }`
[INFO] [stdout] 3dce9bb99ec693b57928de817b1bf58ddc57062887b9716bea80bc118c706b69
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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" "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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+881c1ac408d93bb7adaa3a51dabab9266e82eee8" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] b518df2a6339fdfb039d30869376d808069e8b2f692025f6cc3236a8bc0057f7
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "b518df2a6339fdfb039d30869376d808069e8b2f692025f6cc3236a8bc0057f7", kill_on_drop: false }`
[INFO] [stderr]    Compiling ark-relations v0.2.0 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared crate or module `ark_test_curves`
[INFO] [stdout]     --> src/r1cs/constraint_system.rs:1017:9
[INFO] [stdout]      |
[INFO] [stdout] 1017 |     use ark_test_curves::bls12_381::Fr;
[INFO] [stdout]      |         ^^^^^^^^^^^^^^^ use of undeclared crate or module `ark_test_curves`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared type `Fr`
[INFO] [stdout]     --> src/r1cs/constraint_system.rs:1022:19
[INFO] [stdout]      |
[INFO] [stdout] 1022 |         let two = Fr::one() + Fr::one();
[INFO] [stdout]      |                   ^^ use of undeclared type `Fr`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared type `Fr`
[INFO] [stdout]     --> src/r1cs/constraint_system.rs:1022:31
[INFO] [stdout]      |
[INFO] [stdout] 1022 |         let two = Fr::one() + Fr::one();
[INFO] [stdout]      |                               ^^ use of undeclared type `Fr`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared type `Fr`
[INFO] [stdout]     --> src/r1cs/constraint_system.rs:1023:45
[INFO] [stdout]      |
[INFO] [stdout] 1023 |         let a = cs.new_input_variable(|| Ok(Fr::one()))?;
[INFO] [stdout]      |                                             ^^ use of undeclared type `Fr`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared type `Fr`
[INFO] [stdout]     --> src/r1cs/constraint_system.rs:1024:47
[INFO] [stdout]      |
[INFO] [stdout] 1024 |         let b = cs.new_witness_variable(|| Ok(Fr::one()))?;
[INFO] [stdout]      |                                               ^^ use of undeclared type `Fr`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared type `Fr`
[INFO] [stdout]     --> src/r1cs/constraint_system.rs:1033:41
[INFO] [stdout]      |
[INFO] [stdout] 1033 |         assert_eq!(matrices.a[0], vec![(Fr::one(), 1)]);
[INFO] [stdout]      |                                         ^^ use of undeclared type `Fr`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared type `Fr`
[INFO] [stdout]     --> src/r1cs/constraint_system.rs:1035:41
[INFO] [stdout]      |
[INFO] [stdout] 1035 |         assert_eq!(matrices.c[0], vec![(Fr::one(), 3)]);
[INFO] [stdout]      |                                         ^^ use of undeclared type `Fr`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared type `Fr`
[INFO] [stdout]     --> src/r1cs/constraint_system.rs:1037:41
[INFO] [stdout]      |
[INFO] [stdout] 1037 |         assert_eq!(matrices.a[1], vec![(Fr::one(), 1)]);
[INFO] [stdout]      |                                         ^^ use of undeclared type `Fr`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared type `Fr`
[INFO] [stdout]     --> src/r1cs/constraint_system.rs:1038:41
[INFO] [stdout]      |
[INFO] [stdout] 1038 |         assert_eq!(matrices.b[1], vec![(Fr::one(), 1), (Fr::one(), 2)]);
[INFO] [stdout]      |                                         ^^ use of undeclared type `Fr`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared type `Fr`
[INFO] [stdout]     --> src/r1cs/constraint_system.rs:1038:57
[INFO] [stdout]      |
[INFO] [stdout] 1038 |         assert_eq!(matrices.b[1], vec![(Fr::one(), 1), (Fr::one(), 2)]);
[INFO] [stdout]      |                                                         ^^ use of undeclared type `Fr`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared type `Fr`
[INFO] [stdout]     --> src/r1cs/constraint_system.rs:1039:41
[INFO] [stdout]      |
[INFO] [stdout] 1039 |         assert_eq!(matrices.c[1], vec![(Fr::one(), 1), (Fr::one(), 2)]);
[INFO] [stdout]      |                                         ^^ use of undeclared type `Fr`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared type `Fr`
[INFO] [stdout]     --> src/r1cs/constraint_system.rs:1039:57
[INFO] [stdout]      |
[INFO] [stdout] 1039 |         assert_eq!(matrices.c[1], vec![(Fr::one(), 1), (Fr::one(), 2)]);
[INFO] [stdout]      |                                                         ^^ use of undeclared type `Fr`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared type `Fr`
[INFO] [stdout]     --> src/r1cs/constraint_system.rs:1041:41
[INFO] [stdout]      |
[INFO] [stdout] 1041 |         assert_eq!(matrices.a[2], vec![(Fr::one(), 0)]);
[INFO] [stdout]      |                                         ^^ use of undeclared type `Fr`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0412]: cannot find type `Fr` in this scope
[INFO] [stdout]     --> src/r1cs/constraint_system.rs:1021:37
[INFO] [stdout]      |
[INFO] [stdout] 1021 |           let cs = ConstraintSystem::<Fr>::new_ref();
[INFO] [stdout]      |                                       ^^
[INFO] [stdout]      |
[INFO] [stdout] help: a trait with a similar name exists
[INFO] [stdout]      |
[INFO] [stdout] 1021 |         let cs = ConstraintSystem::<Fn>::new_ref();
[INFO] [stdout]      |                                     ^^
[INFO] [stdout] help: you might be missing a type parameter
[INFO] [stdout]      |
[INFO] [stdout] 1020 |     fn matrix_generation<Fr>() -> crate::r1cs::Result<()> {
[INFO] [stdout]      |                         ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `ark_ff::One`
[INFO] [stdout]     --> src/r1cs/constraint_system.rs:1016:9
[INFO] [stdout]      |
[INFO] [stdout] 1016 |     use ark_ff::One;
[INFO] [stdout]      |         ^^^^^^^^^^^
[INFO] [stdout]      |
[INFO] [stdout] note: the lint level is defined here
[INFO] [stdout]     --> src/lib.rs:7:5
[INFO] [stdout]      |
[INFO] [stdout] 7    |     unused,
[INFO] [stdout]      |     ^^^^^^
[INFO] [stdout]      = note: `#[warn(unused_imports)]` implied by `#[warn(unused)]`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 14 previous errors; 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0412, E0433.
[INFO] [stdout] 
[INFO] [stdout] For more information about an error, try `rustc --explain E0412`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `ark-relations`
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] running `Command { std: "docker" "inspect" "b518df2a6339fdfb039d30869376d808069e8b2f692025f6cc3236a8bc0057f7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b518df2a6339fdfb039d30869376d808069e8b2f692025f6cc3236a8bc0057f7", kill_on_drop: false }`
[INFO] [stdout] b518df2a6339fdfb039d30869376d808069e8b2f692025f6cc3236a8bc0057f7
