[INFO] cloning repository https://github.com/marielonfils/anonymous_survey
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/marielonfils/anonymous_survey" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmarielonfils%2Fanonymous_survey", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmarielonfils%2Fanonymous_survey'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 15dd1cb7c4b07cb6fed542cc4f93aa497564a8ff
[INFO] checking marielonfils/anonymous_survey against a5689b034ad287112f709693384a37f1377eb9cc for pr-129249-3
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmarielonfils%2Fanonymous_survey" "/workspace/builds/worker-4-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/marielonfils/anonymous_survey
[INFO] finished tweaking git repo https://github.com/marielonfils/anonymous_survey
[INFO] tweaked toml for git repo https://github.com/marielonfils/anonymous_survey written to /workspace/builds/worker-4-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/marielonfils/anonymous_survey on toolchain a5689b034ad287112f709693384a37f1377eb9cc
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+a5689b034ad287112f709693384a37f1377eb9cc" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/marielonfils/anonymous_survey 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" "+a5689b034ad287112f709693384a37f1377eb9cc" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,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" "-m" "1610612736" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:77db811e55d90add9212f6832c23229e3de5f1c1f9905e8cb07319ea15df73ac" "sleep" "infinity", kill_on_drop: false }`
[INFO] [stdout] f4910f4ce39c8a8fbf6bb9ad03c316956be8d6ddf60baf2a4051d53c637ea6cf
[INFO] running `Command { std: "docker" "start" "f4910f4ce39c8a8fbf6bb9ad03c316956be8d6ddf60baf2a4051d53c637ea6cf", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "f4910f4ce39c8a8fbf6bb9ad03c316956be8d6ddf60baf2a4051d53c637ea6cf", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-w" "/opt/rustwide/workdir" "--user" "0:0" "f4910f4ce39c8a8fbf6bb9ad03c316956be8d6ddf60baf2a4051d53c637ea6cf" "/opt/rustwide/cargo-home/bin/cargo" "+a5689b034ad287112f709693384a37f1377eb9cc" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "f4910f4ce39c8a8fbf6bb9ad03c316956be8d6ddf60baf2a4051d53c637ea6cf", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-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" "-w" "/opt/rustwide/workdir" "--user" "0:0" "f4910f4ce39c8a8fbf6bb9ad03c316956be8d6ddf60baf2a4051d53c637ea6cf" "/opt/rustwide/cargo-home/bin/cargo" "+a5689b034ad287112f709693384a37f1377eb9cc" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
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[INFO] [stderr]     Checking anonymous_survey v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] error: useless conversion to the same type: `<E as Pairing>::G2Affine`
[INFO] [stdout]    --> src/survey_authority.rs:281:31
[INFO] [stdout]     |
[INFO] [stdout] 281 |             v: vec![Com2::<E>(hash2.0.into(), hash2.1.into()), crs2.v[1]],
[INFO] [stdout]     |                               ^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this method call relies on the `impl<T> Into<T> for T` blanket implementation and type inference, which is a semver hazard as a new `impl Into<_>` that affects your type might be added in the future causing type inference errors
[INFO] [stdout]     = note: `#[deny(self_type_conversion)]` on by default
[INFO] [stdout] help: consider removing the conversion call
[INFO] [stdout]     |
[INFO] [stdout] 281 -             v: vec![Com2::<E>(hash2.0.into(), hash2.1.into()), crs2.v[1]],
[INFO] [stdout] 281 +             v: vec![Com2::<E>(hash2.0, hash2.1.into()), crs2.v[1]],
[INFO] [stdout]     |
[INFO] [stdout] help: you can use the fully-qualified path to avoid triggering this lint
[INFO] [stdout]     |
[INFO] [stdout] 281 -             v: vec![Com2::<E>(hash2.0.into(), hash2.1.into()), crs2.v[1]],
[INFO] [stdout] 281 +             v: vec![Com2::<E>(<<E as Pairing>::G2Affine as Into<_>>::into(hash2.0), hash2.1.into()), crs2.v[1]],
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: useless conversion to the same type: `<E as Pairing>::G2Affine`
[INFO] [stdout]    --> src/survey_authority.rs:281:47
[INFO] [stdout]     |
[INFO] [stdout] 281 |             v: vec![Com2::<E>(hash2.0.into(), hash2.1.into()), crs2.v[1]],
[INFO] [stdout]     |                                               ^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this method call relies on the `impl<T> Into<T> for T` blanket implementation and type inference, which is a semver hazard as a new `impl Into<_>` that affects your type might be added in the future causing type inference errors
[INFO] [stdout] help: consider removing the conversion call
[INFO] [stdout]     |
[INFO] [stdout] 281 -             v: vec![Com2::<E>(hash2.0.into(), hash2.1.into()), crs2.v[1]],
[INFO] [stdout] 281 +             v: vec![Com2::<E>(hash2.0.into(), hash2.1), crs2.v[1]],
[INFO] [stdout]     |
[INFO] [stdout] help: you can use the fully-qualified path to avoid triggering this lint
[INFO] [stdout]     |
[INFO] [stdout] 281 -             v: vec![Com2::<E>(hash2.0.into(), hash2.1.into()), crs2.v[1]],
[INFO] [stdout] 281 +             v: vec![Com2::<E>(hash2.0.into(), <<E as Pairing>::G2Affine as Into<_>>::into(hash2.1)), crs2.v[1]],
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: useless conversion to the same type: `&<E as Pairing>::G1`
[INFO] [stdout]    --> src/as_user.rs:161:79
[INFO] [stdout]     |
[INFO] [stdout] 161 |         let proof_exp = GSSA3::<E>::new(&crs, &crs_exp2, &self.sid, &r1, &r2, hash.into());
[INFO] [stdout]     |                                                                               ^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this method call relies on the `impl<T> Into<T> for T` blanket implementation and type inference, which is a semver hazard as a new `impl Into<_>` that affects your type might be added in the future causing type inference errors
[INFO] [stdout] help: consider removing the conversion call
[INFO] [stdout]     |
[INFO] [stdout] 161 -         let proof_exp = GSSA3::<E>::new(&crs, &crs_exp2, &self.sid, &r1, &r2, hash.into());
[INFO] [stdout] 161 +         let proof_exp = GSSA3::<E>::new(&crs, &crs_exp2, &self.sid, &r1, &r2, hash);
[INFO] [stdout]     |
[INFO] [stdout] help: you can use the fully-qualified path to avoid triggering this lint
[INFO] [stdout]     |
[INFO] [stdout] 161 -         let proof_exp = GSSA3::<E>::new(&crs, &crs_exp2, &self.sid, &r1, &r2, hash.into());
[INFO] [stdout] 161 +         let proof_exp = GSSA3::<E>::new(&crs, &crs_exp2, &self.sid, &r1, &r2, <&<E as Pairing>::G1 as Into<_>>::into(hash));
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: useless conversion to the same type: `<E as Pairing>::G2Affine`
[INFO] [stdout]    --> src/as_user.rs:235:39
[INFO] [stdout]     |
[INFO] [stdout] 235 |                     v: vec![Com2::<E>(hash2.0.into(), hash2.1.into()), crs2.v[1]],
[INFO] [stdout]     |                                       ^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this method call relies on the `impl<T> Into<T> for T` blanket implementation and type inference, which is a semver hazard as a new `impl Into<_>` that affects your type might be added in the future causing type inference errors
[INFO] [stdout] help: consider removing the conversion call
[INFO] [stdout]     |
[INFO] [stdout] 235 -                     v: vec![Com2::<E>(hash2.0.into(), hash2.1.into()), crs2.v[1]],
[INFO] [stdout] 235 +                     v: vec![Com2::<E>(hash2.0, hash2.1.into()), crs2.v[1]],
[INFO] [stdout]     |
[INFO] [stdout] help: you can use the fully-qualified path to avoid triggering this lint
[INFO] [stdout]     |
[INFO] [stdout] 235 -                     v: vec![Com2::<E>(hash2.0.into(), hash2.1.into()), crs2.v[1]],
[INFO] [stdout] 235 +                     v: vec![Com2::<E>(<<E as Pairing>::G2Affine as Into<_>>::into(hash2.0), hash2.1.into()), crs2.v[1]],
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: useless conversion to the same type: `<E as Pairing>::G2Affine`
[INFO] [stdout]    --> src/as_user.rs:235:55
[INFO] [stdout]     |
[INFO] [stdout] 235 |                     v: vec![Com2::<E>(hash2.0.into(), hash2.1.into()), crs2.v[1]],
[INFO] [stdout]     |                                                       ^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this method call relies on the `impl<T> Into<T> for T` blanket implementation and type inference, which is a semver hazard as a new `impl Into<_>` that affects your type might be added in the future causing type inference errors
[INFO] [stdout] help: consider removing the conversion call
[INFO] [stdout]     |
[INFO] [stdout] 235 -                     v: vec![Com2::<E>(hash2.0.into(), hash2.1.into()), crs2.v[1]],
[INFO] [stdout] 235 +                     v: vec![Com2::<E>(hash2.0.into(), hash2.1), crs2.v[1]],
[INFO] [stdout]     |
[INFO] [stdout] help: you can use the fully-qualified path to avoid triggering this lint
[INFO] [stdout]     |
[INFO] [stdout] 235 -                     v: vec![Com2::<E>(hash2.0.into(), hash2.1.into()), crs2.v[1]],
[INFO] [stdout] 235 +                     v: vec![Com2::<E>(hash2.0.into(), <<E as Pairing>::G2Affine as Into<_>>::into(hash2.1)), crs2.v[1]],
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `anonymous_survey` (lib) due to 5 previous errors
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] error: useless conversion to the same type: `<E as ark_ec::pairing::Pairing>::G2Affine`
[INFO] [stdout]    --> src/survey_authority.rs:281:31
[INFO] [stdout]     |
[INFO] [stdout] 281 |             v: vec![Com2::<E>(hash2.0.into(), hash2.1.into()), crs2.v[1]],
[INFO] [stdout]     |                               ^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this method call relies on the `impl<T> Into<T> for T` blanket implementation and type inference, which is a semver hazard as a new `impl Into<_>` that affects your type might be added in the future causing type inference errors
[INFO] [stdout]     = note: `#[deny(self_type_conversion)]` on by default
[INFO] [stdout] help: consider removing the conversion call
[INFO] [stdout]     |
[INFO] [stdout] 281 -             v: vec![Com2::<E>(hash2.0.into(), hash2.1.into()), crs2.v[1]],
[INFO] [stdout] 281 +             v: vec![Com2::<E>(hash2.0, hash2.1.into()), crs2.v[1]],
[INFO] [stdout]     |
[INFO] [stdout] help: you can use the fully-qualified path to avoid triggering this lint
[INFO] [stdout]     |
[INFO] [stdout] 281 -             v: vec![Com2::<E>(hash2.0.into(), hash2.1.into()), crs2.v[1]],
[INFO] [stdout] 281 +             v: vec![Com2::<E>(<<E as ark_ec::pairing::Pairing>::G2Affine as Into<_>>::into(hash2.0), hash2.1.into()), crs2.v[1]],
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: useless conversion to the same type: `<E as ark_ec::pairing::Pairing>::G2Affine`
[INFO] [stdout]    --> src/survey_authority.rs:281:47
[INFO] [stdout]     |
[INFO] [stdout] 281 |             v: vec![Com2::<E>(hash2.0.into(), hash2.1.into()), crs2.v[1]],
[INFO] [stdout]     |                                               ^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this method call relies on the `impl<T> Into<T> for T` blanket implementation and type inference, which is a semver hazard as a new `impl Into<_>` that affects your type might be added in the future causing type inference errors
[INFO] [stdout] help: consider removing the conversion call
[INFO] [stdout]     |
[INFO] [stdout] 281 -             v: vec![Com2::<E>(hash2.0.into(), hash2.1.into()), crs2.v[1]],
[INFO] [stdout] 281 +             v: vec![Com2::<E>(hash2.0.into(), hash2.1), crs2.v[1]],
[INFO] [stdout]     |
[INFO] [stdout] help: you can use the fully-qualified path to avoid triggering this lint
[INFO] [stdout]     |
[INFO] [stdout] 281 -             v: vec![Com2::<E>(hash2.0.into(), hash2.1.into()), crs2.v[1]],
[INFO] [stdout] 281 +             v: vec![Com2::<E>(hash2.0.into(), <<E as ark_ec::pairing::Pairing>::G2Affine as Into<_>>::into(hash2.1)), crs2.v[1]],
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: useless conversion to the same type: `&<E as ark_ec::pairing::Pairing>::G1`
[INFO] [stdout]    --> src/as_user.rs:161:79
[INFO] [stdout]     |
[INFO] [stdout] 161 |         let proof_exp = GSSA3::<E>::new(&crs, &crs_exp2, &self.sid, &r1, &r2, hash.into());
[INFO] [stdout]     |                                                                               ^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this method call relies on the `impl<T> Into<T> for T` blanket implementation and type inference, which is a semver hazard as a new `impl Into<_>` that affects your type might be added in the future causing type inference errors
[INFO] [stdout] help: consider removing the conversion call
[INFO] [stdout]     |
[INFO] [stdout] 161 -         let proof_exp = GSSA3::<E>::new(&crs, &crs_exp2, &self.sid, &r1, &r2, hash.into());
[INFO] [stdout] 161 +         let proof_exp = GSSA3::<E>::new(&crs, &crs_exp2, &self.sid, &r1, &r2, hash);
[INFO] [stdout]     |
[INFO] [stdout] help: you can use the fully-qualified path to avoid triggering this lint
[INFO] [stdout]     |
[INFO] [stdout] 161 -         let proof_exp = GSSA3::<E>::new(&crs, &crs_exp2, &self.sid, &r1, &r2, hash.into());
[INFO] [stdout] 161 +         let proof_exp = GSSA3::<E>::new(&crs, &crs_exp2, &self.sid, &r1, &r2, <&<E as ark_ec::pairing::Pairing>::G1 as Into<_>>::into(hash));
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: useless conversion to the same type: `<E as ark_ec::pairing::Pairing>::G2Affine`
[INFO] [stdout]    --> src/as_user.rs:235:39
[INFO] [stdout]     |
[INFO] [stdout] 235 |                     v: vec![Com2::<E>(hash2.0.into(), hash2.1.into()), crs2.v[1]],
[INFO] [stdout]     |                                       ^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this method call relies on the `impl<T> Into<T> for T` blanket implementation and type inference, which is a semver hazard as a new `impl Into<_>` that affects your type might be added in the future causing type inference errors
[INFO] [stdout] help: consider removing the conversion call
[INFO] [stdout]     |
[INFO] [stdout] 235 -                     v: vec![Com2::<E>(hash2.0.into(), hash2.1.into()), crs2.v[1]],
[INFO] [stdout] 235 +                     v: vec![Com2::<E>(hash2.0, hash2.1.into()), crs2.v[1]],
[INFO] [stdout]     |
[INFO] [stdout] help: you can use the fully-qualified path to avoid triggering this lint
[INFO] [stdout]     |
[INFO] [stdout] 235 -                     v: vec![Com2::<E>(hash2.0.into(), hash2.1.into()), crs2.v[1]],
[INFO] [stdout] 235 +                     v: vec![Com2::<E>(<<E as ark_ec::pairing::Pairing>::G2Affine as Into<_>>::into(hash2.0), hash2.1.into()), crs2.v[1]],
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: useless conversion to the same type: `<E as ark_ec::pairing::Pairing>::G2Affine`
[INFO] [stdout]    --> src/as_user.rs:235:55
[INFO] [stdout]     |
[INFO] [stdout] 235 |                     v: vec![Com2::<E>(hash2.0.into(), hash2.1.into()), crs2.v[1]],
[INFO] [stdout]     |                                                       ^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this method call relies on the `impl<T> Into<T> for T` blanket implementation and type inference, which is a semver hazard as a new `impl Into<_>` that affects your type might be added in the future causing type inference errors
[INFO] [stdout] help: consider removing the conversion call
[INFO] [stdout]     |
[INFO] [stdout] 235 -                     v: vec![Com2::<E>(hash2.0.into(), hash2.1.into()), crs2.v[1]],
[INFO] [stdout] 235 +                     v: vec![Com2::<E>(hash2.0.into(), hash2.1), crs2.v[1]],
[INFO] [stdout]     |
[INFO] [stdout] help: you can use the fully-qualified path to avoid triggering this lint
[INFO] [stdout]     |
[INFO] [stdout] 235 -                     v: vec![Com2::<E>(hash2.0.into(), hash2.1.into()), crs2.v[1]],
[INFO] [stdout] 235 +                     v: vec![Com2::<E>(hash2.0.into(), <<E as ark_ec::pairing::Pairing>::G2Affine as Into<_>>::into(hash2.1)), crs2.v[1]],
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `anonymous_survey` (lib test) due to 5 previous errors
[INFO] running `Command { std: "docker" "inspect" "f4910f4ce39c8a8fbf6bb9ad03c316956be8d6ddf60baf2a4051d53c637ea6cf", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f4910f4ce39c8a8fbf6bb9ad03c316956be8d6ddf60baf2a4051d53c637ea6cf", kill_on_drop: false }`
[INFO] [stdout] f4910f4ce39c8a8fbf6bb9ad03c316956be8d6ddf60baf2a4051d53c637ea6cf
