[INFO] cloning repository https://github.com/VegeBun-csj/Bellman-practice
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/VegeBun-csj/Bellman-practice" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FVegeBun-csj%2FBellman-practice", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FVegeBun-csj%2FBellman-practice'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 8328bdee187bcc605ddf5f283590f2a64c1a1c2d
[INFO] checking VegeBun-csj/Bellman-practice against master#385fa9d845dd326c6bbfd58c22244215e431948a for absurd-question-mark-desugar
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FVegeBun-csj%2FBellman-practice" "/workspace/builds/worker-0-tc1/source", kill_on_drop: false }`
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[INFO] validating manifest of git repo https://github.com/VegeBun-csj/Bellman-practice on toolchain 385fa9d845dd326c6bbfd58c22244215e431948a
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/VegeBun-csj/Bellman-practice
[INFO] finished tweaking git repo https://github.com/VegeBun-csj/Bellman-practice
[INFO] tweaked toml for git repo https://github.com/VegeBun-csj/Bellman-practice written to /workspace/builds/worker-0-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/VegeBun-csj/Bellman-practice already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded pairing v0.22.0
[INFO] [stderr]   Downloaded blake2s_simd v1.0.0
[INFO] [stderr]   Downloaded bellman v0.13.1
[INFO] [stderr]   Downloaded bls12_381 v0.7.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] ca08b42746ce42079dac9fe4cc17e1cd69bf21cacdc3d891637750dfa7655d06
[INFO] running `Command { std: "docker" "start" "-a" "ca08b42746ce42079dac9fe4cc17e1cd69bf21cacdc3d891637750dfa7655d06", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "ca08b42746ce42079dac9fe4cc17e1cd69bf21cacdc3d891637750dfa7655d06", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ca08b42746ce42079dac9fe4cc17e1cd69bf21cacdc3d891637750dfa7655d06", kill_on_drop: false }`
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[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 2315f6038397e4387379a78fb0bf26c685c218032971a144143aa3568da6705d
[INFO] running `Command { std: "docker" "start" "-a" "2315f6038397e4387379a78fb0bf26c685c218032971a144143aa3568da6705d", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.131
[INFO] [stderr]    Compiling crossbeam-utils v0.8.11
[INFO] [stderr]    Compiling radium v0.7.0
[INFO] [stderr]     Checking tap v1.0.1
[INFO] [stderr]     Checking once_cell v1.13.0
[INFO] [stderr]    Compiling crossbeam-epoch v0.9.10
[INFO] [stderr]     Checking funty v2.0.0
[INFO] [stderr]    Compiling rayon-core v1.9.3
[INFO] [stderr]     Checking subtle v2.4.1
[INFO] [stderr]    Compiling serde_derive v1.0.144
[INFO] [stderr]    Compiling rayon v1.5.3
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[INFO] [stderr]     Checking arrayref v0.3.6
[INFO] [stderr]     Checking constant_time_eq v0.1.5
[INFO] [stderr]     Checking either v1.7.0
[INFO] [stderr]     Checking ppv-lite86 v0.2.16
[INFO] [stderr]    Compiling serde_json v1.0.83
[INFO] [stderr]     Checking wyz v0.5.0
[INFO] [stderr]     Checking ryu v1.0.11
[INFO] [stderr]     Checking itoa v1.0.3
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[INFO] [stderr]     Checking rand v0.8.5
[INFO] [stderr]     Checking ff v0.12.0
[INFO] [stderr]     Checking group v0.12.0
[INFO] [stderr]     Checking pairing v0.22.0
[INFO] [stderr]     Checking bellman v0.13.1
[INFO] [stderr]     Checking bls12_381 v0.7.0
[INFO] [stderr]     Checking bellman-practice v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused imports: `PreparedVerifyingKey`, `VerifyingKey`
[INFO] [stdout]   --> src/main.rs:11:110
[INFO] [stdout]    |
[INFO] [stdout] 11 | ..._parameters, prepare_verifying_key, verify_proof, PreparedVerifyingKey, VerifyingKey};
[INFO] [stdout]    |                                                      ^^^^^^^^^^^^^^^^^^^^  ^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `MillerLoopResult`, `MultiMillerLoop`
[INFO] [stdout]   --> src/main.rs:12:15
[INFO] [stdout]    |
[INFO] [stdout] 12 | use pairing::{MillerLoopResult, MultiMillerLoop};
[INFO] [stdout]    |               ^^^^^^^^^^^^^^^^  ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `ff::PrimeField`
[INFO] [stdout]  --> src/snark/mod.rs:4:5
[INFO] [stdout]   |
[INFO] [stdout] 4 | use ff::PrimeField;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `Wnaf`
[INFO] [stdout]  --> src/snark/mod.rs:6:52
[INFO] [stdout]   |
[INFO] [stdout] 6 | use group::{prime::PrimeCurveAffine, Curve, Group, Wnaf, WnafGroup};
[INFO] [stdout]   |                                                    ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::fs`
[INFO] [stdout]  --> src/snark/mod.rs:9:5
[INFO] [stdout]   |
[INFO] [stdout] 9 | use std::fs;
[INFO] [stdout]   |     ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::fs::File`
[INFO] [stdout]   --> src/snark/mod.rs:10:5
[INFO] [stdout]    |
[INFO] [stdout] 10 | use std::fs::File;
[INFO] [stdout]    |     ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::ops::Neg`
[INFO] [stdout]   --> src/snark/mod.rs:11:5
[INFO] [stdout]    |
[INFO] [stdout] 11 | use std::ops::Neg;
[INFO] [stdout]    |     ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `Choice`, `ConditionallySelectable`, `ConstantTimeEq`, `CtOption`
[INFO] [stdout]   --> src/snark/mod.rs:12:14
[INFO] [stdout]    |
[INFO] [stdout] 12 | use subtle::{Choice, ConditionallySelectable, ConstantTimeEq, CtOption};
[INFO] [stdout]    |              ^^^^^^  ^^^^^^^^^^^^^^^^^^^^^^^  ^^^^^^^^^^^^^^  ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `PreparedVerifyingKey`
[INFO] [stdout]   --> src/snark/mod.rs:15:46
[INFO] [stdout]    |
[INFO] [stdout] 15 |         prepare_verifying_key, verify_proof, PreparedVerifyingKey, Proof, VerifyingKey,
[INFO] [stdout]    |                                              ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `G2Prepared`, `Gt`
[INFO] [stdout]   --> src/snark/mod.rs:17:48
[INFO] [stdout]    |
[INFO] [stdout] 17 |     use bls12_381::{Bls12, G1Affine, G2Affine, G2Prepared, Gt, Scalar};
[INFO] [stdout]    |                                                ^^^^^^^^^^  ^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `PreparedVerifyingKey`, `VerifyingKey`
[INFO] [stdout]   --> src/main.rs:11:110
[INFO] [stdout]    |
[INFO] [stdout] 11 | ..._parameters, prepare_verifying_key, verify_proof, PreparedVerifyingKey, VerifyingKey};
[INFO] [stdout]    |                                                      ^^^^^^^^^^^^^^^^^^^^  ^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `MillerLoopResult`, `MultiMillerLoop`
[INFO] [stdout]   --> src/main.rs:12:15
[INFO] [stdout]    |
[INFO] [stdout] 12 | use pairing::{MillerLoopResult, MultiMillerLoop};
[INFO] [stdout]    |               ^^^^^^^^^^^^^^^^  ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `ff::PrimeField`
[INFO] [stdout]  --> src/snark/mod.rs:4:5
[INFO] [stdout]   |
[INFO] [stdout] 4 | use ff::PrimeField;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `Wnaf`
[INFO] [stdout]  --> src/snark/mod.rs:6:52
[INFO] [stdout]   |
[INFO] [stdout] 6 | use group::{prime::PrimeCurveAffine, Curve, Group, Wnaf, WnafGroup};
[INFO] [stdout]   |                                                    ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::fs`
[INFO] [stdout]  --> src/snark/mod.rs:9:5
[INFO] [stdout]   |
[INFO] [stdout] 9 | use std::fs;
[INFO] [stdout]   |     ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::fs::File`
[INFO] [stdout]   --> src/snark/mod.rs:10:5
[INFO] [stdout]    |
[INFO] [stdout] 10 | use std::fs::File;
[INFO] [stdout]    |     ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::ops::Neg`
[INFO] [stdout]   --> src/snark/mod.rs:11:5
[INFO] [stdout]    |
[INFO] [stdout] 11 | use std::ops::Neg;
[INFO] [stdout]    |     ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `Choice`, `ConditionallySelectable`, `ConstantTimeEq`, `CtOption`
[INFO] [stdout]   --> src/snark/mod.rs:12:14
[INFO] [stdout]    |
[INFO] [stdout] 12 | use subtle::{Choice, ConditionallySelectable, ConstantTimeEq, CtOption};
[INFO] [stdout]    |              ^^^^^^  ^^^^^^^^^^^^^^^^^^^^^^^  ^^^^^^^^^^^^^^  ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `PreparedVerifyingKey`
[INFO] [stdout]   --> src/snark/mod.rs:15:46
[INFO] [stdout]    |
[INFO] [stdout] 15 |         prepare_verifying_key, verify_proof, PreparedVerifyingKey, Proof, VerifyingKey,
[INFO] [stdout]    |                                              ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `G2Prepared`, `Gt`
[INFO] [stdout]   --> src/snark/mod.rs:17:48
[INFO] [stdout]    |
[INFO] [stdout] 17 |     use bls12_381::{Bls12, G1Affine, G2Affine, G2Prepared, Gt, Scalar};
[INFO] [stdout]    |                                                ^^^^^^^^^^  ^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `prime::PrimeCurveAffine`
[INFO] [stdout]  --> src/snark/mod.rs:6:13
[INFO] [stdout]   |
[INFO] [stdout] 6 | use group::{prime::PrimeCurveAffine, Curve, Group, Wnaf, WnafGroup};
[INFO] [stdout]   |             ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `vk_json`
[INFO] [stdout]   --> src/snark/mod.rs:19:9
[INFO] [stdout]    |
[INFO] [stdout] 19 |     let vk_json = r#"
[INFO] [stdout]    |         ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_vk_json`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `proof_json`
[INFO] [stdout]    --> src/snark/mod.rs:116:9
[INFO] [stdout]     |
[INFO] [stdout] 116 |     let proof_json = r#"{
[INFO] [stdout]     |         ^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_proof_json`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `alpha1_array`
[INFO] [stdout]    --> src/snark/mod.rs:154:9
[INFO] [stdout]     |
[INFO] [stdout] 154 |     let alpha1_array = [
[INFO] [stdout]     |         ^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_alpha1_array`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `circuit`
[INFO] [stdout]    --> src/snark/mod.rs:386:35
[INFO] [stdout]     |
[INFO] [stdout] 386 | pub fn random_parameters<E, C, R>(circuit: C, mut rng: &mut R)
[INFO] [stdout]     |                                   ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_circuit`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `prime::PrimeCurveAffine`
[INFO] [stdout]  --> src/snark/mod.rs:6:13
[INFO] [stdout]   |
[INFO] [stdout] 6 | use group::{prime::PrimeCurveAffine, Curve, Group, Wnaf, WnafGroup};
[INFO] [stdout]   |             ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 15 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `vk_json`
[INFO] [stdout]   --> src/snark/mod.rs:19:9
[INFO] [stdout]    |
[INFO] [stdout] 19 |     let vk_json = r#"
[INFO] [stdout]    |         ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_vk_json`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `proof_json`
[INFO] [stdout]    --> src/snark/mod.rs:116:9
[INFO] [stdout]     |
[INFO] [stdout] 116 |     let proof_json = r#"{
[INFO] [stdout]     |         ^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_proof_json`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `alpha1_array`
[INFO] [stdout]    --> src/snark/mod.rs:154:9
[INFO] [stdout]     |
[INFO] [stdout] 154 |     let alpha1_array = [
[INFO] [stdout]     |         ^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_alpha1_array`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `circuit`
[INFO] [stdout]    --> src/snark/mod.rs:386:35
[INFO] [stdout]     |
[INFO] [stdout] 386 | pub fn random_parameters<E, C, R>(circuit: C, mut rng: &mut R)
[INFO] [stdout]     |                                   ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_circuit`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 15 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 15.02s
[INFO] running `Command { std: "docker" "inspect" "2315f6038397e4387379a78fb0bf26c685c218032971a144143aa3568da6705d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2315f6038397e4387379a78fb0bf26c685c218032971a144143aa3568da6705d", kill_on_drop: false }`
[INFO] [stdout] 2315f6038397e4387379a78fb0bf26c685c218032971a144143aa3568da6705d
[INFO] checking VegeBun-csj/Bellman-practice against try#645bb72776a6a56a1a8f52631a44bd082b2ba509 for absurd-question-mark-desugar
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FVegeBun-csj%2FBellman-practice" "/workspace/builds/worker-0-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-0-tc2/source'...
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[INFO] validating manifest of git repo https://github.com/VegeBun-csj/Bellman-practice on toolchain 645bb72776a6a56a1a8f52631a44bd082b2ba509
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+645bb72776a6a56a1a8f52631a44bd082b2ba509" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/VegeBun-csj/Bellman-practice
[INFO] finished tweaking git repo https://github.com/VegeBun-csj/Bellman-practice
[INFO] tweaked toml for git repo https://github.com/VegeBun-csj/Bellman-practice written to /workspace/builds/worker-0-tc2/source/Cargo.toml
[INFO] crate git repo https://github.com/VegeBun-csj/Bellman-practice already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+645bb72776a6a56a1a8f52631a44bd082b2ba509" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+645bb72776a6a56a1a8f52631a44bd082b2ba509" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] db197c7b10dc71d9391d0d18819404ad86d8e5927375d38a5ebf6224ae747fe6
[INFO] running `Command { std: "docker" "start" "-a" "db197c7b10dc71d9391d0d18819404ad86d8e5927375d38a5ebf6224ae747fe6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "db197c7b10dc71d9391d0d18819404ad86d8e5927375d38a5ebf6224ae747fe6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "db197c7b10dc71d9391d0d18819404ad86d8e5927375d38a5ebf6224ae747fe6", kill_on_drop: false }`
[INFO] [stdout] db197c7b10dc71d9391d0d18819404ad86d8e5927375d38a5ebf6224ae747fe6
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+645bb72776a6a56a1a8f52631a44bd082b2ba509" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 1b67733b249aa24a62c2efb2ef88129e0952ecdcb5787e46a106ef7d1d31a9c6
[INFO] running `Command { std: "docker" "start" "-a" "1b67733b249aa24a62c2efb2ef88129e0952ecdcb5787e46a106ef7d1d31a9c6", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.131
[INFO] [stderr]    Compiling radium v0.7.0
[INFO] [stderr]    Compiling crossbeam-utils v0.8.11
[INFO] [stderr]     Checking tap v1.0.1
[INFO] [stderr]     Checking once_cell v1.13.0
[INFO] [stderr]     Checking funty v2.0.0
[INFO] [stderr]     Checking subtle v2.4.1
[INFO] [stderr]    Compiling rayon-core v1.9.3
[INFO] [stderr]    Compiling serde_derive v1.0.144
[INFO] [stderr]    Compiling crossbeam-epoch v0.9.10
[INFO] [stderr]    Compiling rayon v1.5.3
[INFO] [stderr]    Compiling serde v1.0.144
[INFO] [stderr]    Compiling serde_json v1.0.83
[INFO] [stderr]     Checking arrayref v0.3.6
[INFO] [stderr]     Checking arrayvec v0.7.2
[INFO] [stderr]     Checking constant_time_eq v0.1.5
[INFO] [stderr]     Checking ppv-lite86 v0.2.16
[INFO] [stderr]     Checking either v1.7.0
[INFO] [stderr]     Checking wyz v0.5.0
[INFO] [stderr]     Checking itoa v1.0.3
[INFO] [stderr]     Checking ryu v1.0.11
[INFO] [stderr]     Checking lazy_static v1.4.0
[INFO] [stderr]     Checking blake2s_simd v1.0.0
[INFO] [stderr]     Checking bit-vec v0.4.4
[INFO] [stderr]     Checking crossbeam-channel v0.5.6
[INFO] [stderr]     Checking bitvec v1.0.1
[INFO] [stderr]     Checking crossbeam-deque v0.8.2
[INFO] [stderr]     Checking getrandom v0.2.7
[INFO] [stderr]     Checking num_cpus v1.13.1
[INFO] [stderr]     Checking rand_core v0.6.3
[INFO] [stderr]     Checking rand_chacha v0.3.1
[INFO] [stderr]     Checking rand v0.8.5
[INFO] [stderr]     Checking ff v0.12.0
[INFO] [stderr]     Checking group v0.12.0
[INFO] [stderr]     Checking pairing v0.22.0
[INFO] [stderr]     Checking bls12_381 v0.7.0
[INFO] [stderr]     Checking bellman v0.13.1
[INFO] [stderr]     Checking bellman-practice v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused imports: `PreparedVerifyingKey`, `VerifyingKey`
[INFO] [stdout]   --> src/main.rs:11:110
[INFO] [stdout]    |
[INFO] [stdout] 11 | ..._parameters, prepare_verifying_key, verify_proof, PreparedVerifyingKey, VerifyingKey};
[INFO] [stdout]    |                                                      ^^^^^^^^^^^^^^^^^^^^  ^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `MillerLoopResult`, `MultiMillerLoop`
[INFO] [stdout]   --> src/main.rs:12:15
[INFO] [stdout]    |
[INFO] [stdout] 12 | use pairing::{MillerLoopResult, MultiMillerLoop};
[INFO] [stdout]    |               ^^^^^^^^^^^^^^^^  ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `ff::PrimeField`
[INFO] [stdout]  --> src/snark/mod.rs:4:5
[INFO] [stdout]   |
[INFO] [stdout] 4 | use ff::PrimeField;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `Wnaf`
[INFO] [stdout]  --> src/snark/mod.rs:6:52
[INFO] [stdout]   |
[INFO] [stdout] 6 | use group::{prime::PrimeCurveAffine, Curve, Group, Wnaf, WnafGroup};
[INFO] [stdout]   |                                                    ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::fs`
[INFO] [stdout]  --> src/snark/mod.rs:9:5
[INFO] [stdout]   |
[INFO] [stdout] 9 | use std::fs;
[INFO] [stdout]   |     ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::fs::File`
[INFO] [stdout]   --> src/snark/mod.rs:10:5
[INFO] [stdout]    |
[INFO] [stdout] 10 | use std::fs::File;
[INFO] [stdout]    |     ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::ops::Neg`
[INFO] [stdout]   --> src/snark/mod.rs:11:5
[INFO] [stdout]    |
[INFO] [stdout] 11 | use std::ops::Neg;
[INFO] [stdout]    |     ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `Choice`, `ConditionallySelectable`, `ConstantTimeEq`, `CtOption`
[INFO] [stdout]   --> src/snark/mod.rs:12:14
[INFO] [stdout]    |
[INFO] [stdout] 12 | use subtle::{Choice, ConditionallySelectable, ConstantTimeEq, CtOption};
[INFO] [stdout]    |              ^^^^^^  ^^^^^^^^^^^^^^^^^^^^^^^  ^^^^^^^^^^^^^^  ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `PreparedVerifyingKey`
[INFO] [stdout]   --> src/snark/mod.rs:15:46
[INFO] [stdout]    |
[INFO] [stdout] 15 |         prepare_verifying_key, verify_proof, PreparedVerifyingKey, Proof, VerifyingKey,
[INFO] [stdout]    |                                              ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `G2Prepared`, `Gt`
[INFO] [stdout]   --> src/snark/mod.rs:17:48
[INFO] [stdout]    |
[INFO] [stdout] 17 |     use bls12_381::{Bls12, G1Affine, G2Affine, G2Prepared, Gt, Scalar};
[INFO] [stdout]    |                                                ^^^^^^^^^^  ^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `PreparedVerifyingKey`, `VerifyingKey`
[INFO] [stdout]   --> src/main.rs:11:110
[INFO] [stdout]    |
[INFO] [stdout] 11 | ..._parameters, prepare_verifying_key, verify_proof, PreparedVerifyingKey, VerifyingKey};
[INFO] [stdout]    |                                                      ^^^^^^^^^^^^^^^^^^^^  ^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `MillerLoopResult`, `MultiMillerLoop`
[INFO] [stdout]   --> src/main.rs:12:15
[INFO] [stdout]    |
[INFO] [stdout] 12 | use pairing::{MillerLoopResult, MultiMillerLoop};
[INFO] [stdout]    |               ^^^^^^^^^^^^^^^^  ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `ff::PrimeField`
[INFO] [stdout]  --> src/snark/mod.rs:4:5
[INFO] [stdout]   |
[INFO] [stdout] 4 | use ff::PrimeField;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `Wnaf`
[INFO] [stdout]  --> src/snark/mod.rs:6:52
[INFO] [stdout]   |
[INFO] [stdout] 6 | use group::{prime::PrimeCurveAffine, Curve, Group, Wnaf, WnafGroup};
[INFO] [stdout]   |                                                    ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::fs`
[INFO] [stdout]  --> src/snark/mod.rs:9:5
[INFO] [stdout]   |
[INFO] [stdout] 9 | use std::fs;
[INFO] [stdout]   |     ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::fs::File`
[INFO] [stdout]   --> src/snark/mod.rs:10:5
[INFO] [stdout]    |
[INFO] [stdout] 10 | use std::fs::File;
[INFO] [stdout]    |     ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::ops::Neg`
[INFO] [stdout]   --> src/snark/mod.rs:11:5
[INFO] [stdout]    |
[INFO] [stdout] 11 | use std::ops::Neg;
[INFO] [stdout]    |     ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `Choice`, `ConditionallySelectable`, `ConstantTimeEq`, `CtOption`
[INFO] [stdout]   --> src/snark/mod.rs:12:14
[INFO] [stdout]    |
[INFO] [stdout] 12 | use subtle::{Choice, ConditionallySelectable, ConstantTimeEq, CtOption};
[INFO] [stdout]    |              ^^^^^^  ^^^^^^^^^^^^^^^^^^^^^^^  ^^^^^^^^^^^^^^  ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `PreparedVerifyingKey`
[INFO] [stdout]   --> src/snark/mod.rs:15:46
[INFO] [stdout]    |
[INFO] [stdout] 15 |         prepare_verifying_key, verify_proof, PreparedVerifyingKey, Proof, VerifyingKey,
[INFO] [stdout]    |                                              ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `G2Prepared`, `Gt`
[INFO] [stdout]   --> src/snark/mod.rs:17:48
[INFO] [stdout]    |
[INFO] [stdout] 17 |     use bls12_381::{Bls12, G1Affine, G2Affine, G2Prepared, Gt, Scalar};
[INFO] [stdout]    |                                                ^^^^^^^^^^  ^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `prime::PrimeCurveAffine`
[INFO] [stdout]  --> src/snark/mod.rs:6:13
[INFO] [stdout]   |
[INFO] [stdout] 6 | use group::{prime::PrimeCurveAffine, Curve, Group, Wnaf, WnafGroup};
[INFO] [stdout]   |             ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `prime::PrimeCurveAffine`
[INFO] [stdout]  --> src/snark/mod.rs:6:13
[INFO] [stdout]   |
[INFO] [stdout] 6 | use group::{prime::PrimeCurveAffine, Curve, Group, Wnaf, WnafGroup};
[INFO] [stdout]   |             ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `vk_json`
[INFO] [stdout]   --> src/snark/mod.rs:19:9
[INFO] [stdout]    |
[INFO] [stdout] 19 |     let vk_json = r#"
[INFO] [stdout]    |         ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_vk_json`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `proof_json`
[INFO] [stdout]    --> src/snark/mod.rs:116:9
[INFO] [stdout]     |
[INFO] [stdout] 116 |     let proof_json = r#"{
[INFO] [stdout]     |         ^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_proof_json`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `alpha1_array`
[INFO] [stdout]    --> src/snark/mod.rs:154:9
[INFO] [stdout]     |
[INFO] [stdout] 154 |     let alpha1_array = [
[INFO] [stdout]     |         ^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_alpha1_array`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `vk_json`
[INFO] [stdout]   --> src/snark/mod.rs:19:9
[INFO] [stdout]    |
[INFO] [stdout] 19 |     let vk_json = r#"
[INFO] [stdout]    |         ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_vk_json`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `proof_json`
[INFO] [stdout]    --> src/snark/mod.rs:116:9
[INFO] [stdout]     |
[INFO] [stdout] 116 |     let proof_json = r#"{
[INFO] [stdout]     |         ^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_proof_json`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `alpha1_array`
[INFO] [stdout]    --> src/snark/mod.rs:154:9
[INFO] [stdout]     |
[INFO] [stdout] 154 |     let alpha1_array = [
[INFO] [stdout]     |         ^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_alpha1_array`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `circuit`
[INFO] [stdout]    --> src/snark/mod.rs:386:35
[INFO] [stdout]     |
[INFO] [stdout] 386 | pub fn random_parameters<E, C, R>(circuit: C, mut rng: &mut R)
[INFO] [stdout]     |                                   ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_circuit`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `circuit`
[INFO] [stdout]    --> src/snark/mod.rs:386:35
[INFO] [stdout]     |
[INFO] [stdout] 386 | pub fn random_parameters<E, C, R>(circuit: C, mut rng: &mut R)
[INFO] [stdout]     |                                   ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_circuit`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 15 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 15 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 11.64s
[INFO] running `Command { std: "docker" "inspect" "1b67733b249aa24a62c2efb2ef88129e0952ecdcb5787e46a106ef7d1d31a9c6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1b67733b249aa24a62c2efb2ef88129e0952ecdcb5787e46a106ef7d1d31a9c6", kill_on_drop: false }`
[INFO] [stdout] 1b67733b249aa24a62c2efb2ef88129e0952ecdcb5787e46a106ef7d1d31a9c6