[INFO] cloning repository https://github.com/kodmanyagha/zero-knowledge-tutor
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/kodmanyagha/zero-knowledge-tutor" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkodmanyagha%2Fzero-knowledge-tutor", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkodmanyagha%2Fzero-knowledge-tutor'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 2bdfb74c853e1ae0c440ab1c40985958f1ecb6af
[INFO] checking kodmanyagha/zero-knowledge-tutor against try#4f260f0f20b3133d20cfb50353c0221943af5796+rustflags=-Dunmustuse_in_always_ok for pr-148577
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkodmanyagha%2Fzero-knowledge-tutor" "/workspace/builds/worker-6-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-6-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/kodmanyagha/zero-knowledge-tutor
[INFO] finished tweaking git repo https://github.com/kodmanyagha/zero-knowledge-tutor
[INFO] tweaked toml for git repo https://github.com/kodmanyagha/zero-knowledge-tutor written to /workspace/builds/worker-6-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/kodmanyagha/zero-knowledge-tutor on toolchain 4f260f0f20b3133d20cfb50353c0221943af5796
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+4f260f0f20b3133d20cfb50353c0221943af5796" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/kodmanyagha/zero-knowledge-tutor 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" "+4f260f0f20b3133d20cfb50353c0221943af5796" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
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[INFO] [stdout] 6b3209460271eb518bca9f65be871744c23f766d023918bd918a268e5c3ea17c
[INFO] running `Command { std: "docker" "start" "-a" "6b3209460271eb518bca9f65be871744c23f766d023918bd918a268e5c3ea17c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "6b3209460271eb518bca9f65be871744c23f766d023918bd918a268e5c3ea17c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6b3209460271eb518bca9f65be871744c23f766d023918bd918a268e5c3ea17c", kill_on_drop: false }`
[INFO] [stdout] 6b3209460271eb518bca9f65be871744c23f766d023918bd918a268e5c3ea17c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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 -Dunmustuse_in_always_ok" "-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+4f260f0f20b3133d20cfb50353c0221943af5796" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] d2efb7bb8bdab7529616b3ff1dbe0bf2d592c65ff5c5f1bfc21eaa8255b0f638
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[INFO] [stderr]    Compiling zkp_chaum_pedersen v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: use of deprecated method `tonic_build::Builder::compile`: renamed to `compile_protos()`
[INFO] [stdout]  --> build.rs:5:10
[INFO] [stdout]   |
[INFO] [stdout] 5 |         .compile(&["proto/zkp_auth.proto"], &["proto/"])
[INFO] [stdout]   |          ^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Checking hyper v1.6.0
[INFO] [stderr]     Checking hyper-util v0.1.10
[INFO] [stderr]     Checking hyper-timeout v0.5.2
[INFO] [stderr]     Checking tonic v0.12.3
[INFO] [stdout] warning: unused import: `BTreeMap`
[INFO] [stdout]  --> src/bin/server/grpc_impl/auth/auth_impl.rs:2:19
[INFO] [stdout]   |
[INFO] [stdout] 2 |     collections::{BTreeMap, HashMap},
[INFO] [stdout]   |                   ^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `Auth`, `AuthenticationAnswerRequest`, `AuthenticationAnswerResponse`, `AuthenticationChallengeRequest`, `AuthenticationChallengeResponse`, `RegisterRequest`, and `RegisterResponse`
[INFO] [stdout]   --> src/bin/server/main.rs:9:19
[INFO] [stdout]    |
[INFO] [stdout]  9 |     auth_server::{Auth, AuthServer},
[INFO] [stdout]    |                   ^^^^
[INFO] [stdout] 10 |     AuthenticationAnswerRequest, AuthenticationAnswerResponse, AuthenticationChallengeRequest,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^  ^^^^^^^^^^^^^^^^^^^^^^^^^^^^  ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 11 |     AuthenticationChallengeResponse, RegisterRequest, RegisterResponse,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^  ^^^^^^^^^^^^^^^  ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `BTreeMap`
[INFO] [stdout]  --> src/bin/server/grpc_impl/auth/auth_impl.rs:2:19
[INFO] [stdout]   |
[INFO] [stdout] 2 |     collections::{BTreeMap, HashMap},
[INFO] [stdout]   |                   ^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `Auth`, `AuthenticationAnswerRequest`, `AuthenticationAnswerResponse`, `AuthenticationChallengeRequest`, `AuthenticationChallengeResponse`, `RegisterRequest`, and `RegisterResponse`
[INFO] [stdout]   --> src/bin/server/main.rs:9:19
[INFO] [stdout]    |
[INFO] [stdout]  9 |     auth_server::{Auth, AuthServer},
[INFO] [stdout]    |                   ^^^^
[INFO] [stdout] 10 |     AuthenticationAnswerRequest, AuthenticationAnswerResponse, AuthenticationChallengeRequest,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^  ^^^^^^^^^^^^^^^^^^^^^^^^^^^^  ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 11 |     AuthenticationChallengeResponse, RegisterRequest, RegisterResponse,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^  ^^^^^^^^^^^^^^^  ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `client`
[INFO] [stdout]   --> src/bin/client/main.rs:13:9
[INFO] [stdout]    |
[INFO] [stdout] 13 |     let client = AuthClient::connect("http://127.0.0.1:5051")
[INFO] [stdout]    |         ^^^^^^ help: if this is intentional, prefix it with an underscore: `_client`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<response::Response<http_body_util::combinators::box_body::UnsyncBoxBody<prost::bytes::Bytes, Status>>, Infallible>
[INFO] [stdout]    --> src/bin/client/../../zkp_auth.rs:354:42
[INFO] [stdout]     |
[INFO] [stdout] 354 |                       let fut = async move {
[INFO] [stdout]     |  __________________________________________^
[INFO] [stdout] 355 | |                         let method = RegisterSvc(inner);
[INFO] [stdout] 356 | |                         let codec = tonic::codec::ProstCodec::default();
[INFO] [stdout] 357 | |                         let mut grpc = tonic::server::Grpc::new(codec)
[INFO] [stdout] ...   |
[INFO] [stdout] 367 | |                         Ok(res)
[INFO] [stdout] 368 | |                     };
[INFO] [stdout]     | |_____________________^
[INFO] [stdout]     |
[INFO] [stdout]     = note: requested on the command line with `-D unmustuse-in-always-ok`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<response::Response<http_body_util::combinators::box_body::UnsyncBoxBody<prost::bytes::Bytes, Status>>, Infallible>
[INFO] [stdout]    --> src/bin/client/../../zkp_auth.rs:367:25
[INFO] [stdout]     |
[INFO] [stdout] 367 |                         Ok(res)
[INFO] [stdout]     |                         ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<response::Response<http_body_util::combinators::box_body::UnsyncBoxBody<prost::bytes::Bytes, Status>>, Infallible>
[INFO] [stdout]    --> src/bin/client/../../zkp_auth.rs:405:42
[INFO] [stdout]     |
[INFO] [stdout] 405 |                       let fut = async move {
[INFO] [stdout]     |  __________________________________________^
[INFO] [stdout] 406 | |                         let method = CreateAuthenticationChallengeSvc(inner);
[INFO] [stdout] 407 | |                         let codec = tonic::codec::ProstCodec::default();
[INFO] [stdout] 408 | |                         let mut grpc = tonic::server::Grpc::new(codec)
[INFO] [stdout] ...   |
[INFO] [stdout] 418 | |                         Ok(res)
[INFO] [stdout] 419 | |                     };
[INFO] [stdout]     | |_____________________^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<response::Response<http_body_util::combinators::box_body::UnsyncBoxBody<prost::bytes::Bytes, Status>>, Infallible>
[INFO] [stdout]    --> src/bin/client/../../zkp_auth.rs:418:25
[INFO] [stdout]     |
[INFO] [stdout] 418 |                         Ok(res)
[INFO] [stdout]     |                         ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<response::Response<http_body_util::combinators::box_body::UnsyncBoxBody<prost::bytes::Bytes, Status>>, Infallible>
[INFO] [stdout]    --> src/bin/client/../../zkp_auth.rs:450:42
[INFO] [stdout]     |
[INFO] [stdout] 450 |                       let fut = async move {
[INFO] [stdout]     |  __________________________________________^
[INFO] [stdout] 451 | |                         let method = VerifyAuthenticationSvc(inner);
[INFO] [stdout] 452 | |                         let codec = tonic::codec::ProstCodec::default();
[INFO] [stdout] 453 | |                         let mut grpc = tonic::server::Grpc::new(codec)
[INFO] [stdout] ...   |
[INFO] [stdout] 463 | |                         Ok(res)
[INFO] [stdout] 464 | |                     };
[INFO] [stdout]     | |_____________________^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<response::Response<http_body_util::combinators::box_body::UnsyncBoxBody<prost::bytes::Bytes, Status>>, Infallible>
[INFO] [stdout]    --> src/bin/client/../../zkp_auth.rs:463:25
[INFO] [stdout]     |
[INFO] [stdout] 463 |                         Ok(res)
[INFO] [stdout]     |                         ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<response::Response<http_body_util::combinators::box_body::UnsyncBoxBody<prost::bytes::Bytes, Status>>, Infallible>
[INFO] [stdout]    --> src/bin/client/../../zkp_auth.rs:468:41
[INFO] [stdout]     |
[INFO] [stdout] 468 |                       Box::pin(async move {
[INFO] [stdout]     |  _________________________________________^
[INFO] [stdout] 469 | |                         let mut response = http::Response::new(empty_body());
[INFO] [stdout] 470 | |                         let headers = response.headers_mut();
[INFO] [stdout] 471 | |                         headers
[INFO] [stdout] ...   |
[INFO] [stdout] 481 | |                         Ok(response)
[INFO] [stdout] 482 | |                     })
[INFO] [stdout]     | |_____________________^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<response::Response<http_body_util::combinators::box_body::UnsyncBoxBody<prost::bytes::Bytes, Status>>, Infallible>
[INFO] [stdout]    --> src/bin/client/../../zkp_auth.rs:481:25
[INFO] [stdout]     |
[INFO] [stdout] 481 |                         Ok(response)
[INFO] [stdout]     |                         ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `zkp_chaum_pedersen` (bin "client") due to 8 previous errors; 1 warning emitted
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/bin/server/grpc_impl/auth/auth_impl.rs:58:13
[INFO] [stdout]    |
[INFO] [stdout] 58 |         let mut user_info_map = &mut self.user_info.lock();
[INFO] [stdout]    |             ----^^^^^^^^^^^^^
[INFO] [stdout]    |             |
[INFO] [stdout]    |             help: remove this `mut`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_mut)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/bin/server/grpc_impl/auth/auth_impl.rs:70:13
[INFO] [stdout]    |
[INFO] [stdout] 70 |         let mut user_info_map = &mut self.user_info.lock();
[INFO] [stdout]    |             ----^^^^^^^^^^^^^
[INFO] [stdout]    |             |
[INFO] [stdout]    |             help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/bin/server/grpc_impl/auth/auth_impl.rs:81:17
[INFO] [stdout]    |
[INFO] [stdout] 81 |             let mut auth_id_to_user = &mut self.auth_id_to_user.lock();
[INFO] [stdout]    |                 ----^^^^^^^^^^^^^^^
[INFO] [stdout]    |                 |
[INFO] [stdout]    |                 help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/bin/server/grpc_impl/auth/auth_impl.rs:102:13
[INFO] [stdout]     |
[INFO] [stdout] 102 |         let mut auth_id_to_user_map = &mut self.auth_id_to_user.lock();
[INFO] [stdout]     |             ----^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |             |
[INFO] [stdout]     |             help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `verification`
[INFO] [stdout]    --> src/bin/server/grpc_impl/auth/auth_impl.rs:118:17
[INFO] [stdout]     |
[INFO] [stdout] 118 |             let verification = zkp.verify(
[INFO] [stdout]     |                 ^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_verification`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<response::Response<http_body_util::combinators::box_body::UnsyncBoxBody<prost::bytes::Bytes, Status>>, Infallible>
[INFO] [stdout]    --> src/bin/server/../../zkp_auth.rs:354:42
[INFO] [stdout]     |
[INFO] [stdout] 354 |                       let fut = async move {
[INFO] [stdout]     |  __________________________________________^
[INFO] [stdout] 355 | |                         let method = RegisterSvc(inner);
[INFO] [stdout] 356 | |                         let codec = tonic::codec::ProstCodec::default();
[INFO] [stdout] 357 | |                         let mut grpc = tonic::server::Grpc::new(codec)
[INFO] [stdout] ...   |
[INFO] [stdout] 367 | |                         Ok(res)
[INFO] [stdout] 368 | |                     };
[INFO] [stdout]     | |_____________________^
[INFO] [stdout]     |
[INFO] [stdout]     = note: requested on the command line with `-D unmustuse-in-always-ok`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `zkp_chaum_pedersen` (bin "server") due to 8 previous errors; 7 warnings emitted
[INFO] [stdout] error: this type will no longer be must used: Result<response::Response<http_body_util::combinators::box_body::UnsyncBoxBody<prost::bytes::Bytes, Status>>, Infallible>
[INFO] [stdout]    --> src/bin/server/../../zkp_auth.rs:367:25
[INFO] [stdout]     |
[INFO] [stdout] 367 |                         Ok(res)
[INFO] [stdout]     |                         ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<response::Response<http_body_util::combinators::box_body::UnsyncBoxBody<prost::bytes::Bytes, Status>>, Infallible>
[INFO] [stdout]    --> src/bin/server/../../zkp_auth.rs:405:42
[INFO] [stdout]     |
[INFO] [stdout] 405 |                       let fut = async move {
[INFO] [stdout]     |  __________________________________________^
[INFO] [stdout] 406 | |                         let method = CreateAuthenticationChallengeSvc(inner);
[INFO] [stdout] 407 | |                         let codec = tonic::codec::ProstCodec::default();
[INFO] [stdout] 408 | |                         let mut grpc = tonic::server::Grpc::new(codec)
[INFO] [stdout] ...   |
[INFO] [stdout] 418 | |                         Ok(res)
[INFO] [stdout] 419 | |                     };
[INFO] [stdout]     | |_____________________^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<response::Response<http_body_util::combinators::box_body::UnsyncBoxBody<prost::bytes::Bytes, Status>>, Infallible>
[INFO] [stdout]    --> src/bin/server/../../zkp_auth.rs:418:25
[INFO] [stdout]     |
[INFO] [stdout] 418 |                         Ok(res)
[INFO] [stdout]     |                         ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<response::Response<http_body_util::combinators::box_body::UnsyncBoxBody<prost::bytes::Bytes, Status>>, Infallible>
[INFO] [stdout]    --> src/bin/server/../../zkp_auth.rs:450:42
[INFO] [stdout]     |
[INFO] [stdout] 450 |                       let fut = async move {
[INFO] [stdout]     |  __________________________________________^
[INFO] [stdout] 451 | |                         let method = VerifyAuthenticationSvc(inner);
[INFO] [stdout] 452 | |                         let codec = tonic::codec::ProstCodec::default();
[INFO] [stdout] 453 | |                         let mut grpc = tonic::server::Grpc::new(codec)
[INFO] [stdout] ...   |
[INFO] [stdout] 463 | |                         Ok(res)
[INFO] [stdout] 464 | |                     };
[INFO] [stdout]     | |_____________________^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<response::Response<http_body_util::combinators::box_body::UnsyncBoxBody<prost::bytes::Bytes, Status>>, Infallible>
[INFO] [stdout]    --> src/bin/server/../../zkp_auth.rs:463:25
[INFO] [stdout]     |
[INFO] [stdout] 463 |                         Ok(res)
[INFO] [stdout]     |                         ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<response::Response<http_body_util::combinators::box_body::UnsyncBoxBody<prost::bytes::Bytes, Status>>, Infallible>
[INFO] [stdout]    --> src/bin/server/../../zkp_auth.rs:468:41
[INFO] [stdout]     |
[INFO] [stdout] 468 |                       Box::pin(async move {
[INFO] [stdout]     |  _________________________________________^
[INFO] [stdout] 469 | |                         let mut response = http::Response::new(empty_body());
[INFO] [stdout] 470 | |                         let headers = response.headers_mut();
[INFO] [stdout] 471 | |                         headers
[INFO] [stdout] ...   |
[INFO] [stdout] 481 | |                         Ok(response)
[INFO] [stdout] 482 | |                     })
[INFO] [stdout]     | |_____________________^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<response::Response<http_body_util::combinators::box_body::UnsyncBoxBody<prost::bytes::Bytes, Status>>, Infallible>
[INFO] [stdout]    --> src/bin/server/../../zkp_auth.rs:481:25
[INFO] [stdout]     |
[INFO] [stdout] 481 |                         Ok(response)
[INFO] [stdout]     |                         ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/bin/server/grpc_impl/auth/auth_impl.rs:58:13
[INFO] [stdout]    |
[INFO] [stdout] 58 |         let mut user_info_map = &mut self.user_info.lock();
[INFO] [stdout]    |             ----^^^^^^^^^^^^^
[INFO] [stdout]    |             |
[INFO] [stdout]    |             help: remove this `mut`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_mut)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/bin/server/grpc_impl/auth/auth_impl.rs:70:13
[INFO] [stdout]    |
[INFO] [stdout] 70 |         let mut user_info_map = &mut self.user_info.lock();
[INFO] [stdout]    |             ----^^^^^^^^^^^^^
[INFO] [stdout]    |             |
[INFO] [stdout]    |             help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/bin/server/grpc_impl/auth/auth_impl.rs:81:17
[INFO] [stdout]    |
[INFO] [stdout] 81 |             let mut auth_id_to_user = &mut self.auth_id_to_user.lock();
[INFO] [stdout]    |                 ----^^^^^^^^^^^^^^^
[INFO] [stdout]    |                 |
[INFO] [stdout]    |                 help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/bin/server/grpc_impl/auth/auth_impl.rs:102:13
[INFO] [stdout]     |
[INFO] [stdout] 102 |         let mut auth_id_to_user_map = &mut self.auth_id_to_user.lock();
[INFO] [stdout]     |             ----^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |             |
[INFO] [stdout]     |             help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `verification`
[INFO] [stdout]    --> src/bin/server/grpc_impl/auth/auth_impl.rs:118:17
[INFO] [stdout]     |
[INFO] [stdout] 118 |             let verification = zkp.verify(
[INFO] [stdout]     |                 ^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_verification`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<response::Response<http_body_util::combinators::box_body::UnsyncBoxBody<prost::bytes::Bytes, Status>>, Infallible>
[INFO] [stdout]    --> src/bin/server/../../zkp_auth.rs:354:42
[INFO] [stdout]     |
[INFO] [stdout] 354 |                       let fut = async move {
[INFO] [stdout]     |  __________________________________________^
[INFO] [stdout] 355 | |                         let method = RegisterSvc(inner);
[INFO] [stdout] 356 | |                         let codec = tonic::codec::ProstCodec::default();
[INFO] [stdout] 357 | |                         let mut grpc = tonic::server::Grpc::new(codec)
[INFO] [stdout] ...   |
[INFO] [stdout] 367 | |                         Ok(res)
[INFO] [stdout] 368 | |                     };
[INFO] [stdout]     | |_____________________^
[INFO] [stdout]     |
[INFO] [stdout]     = note: requested on the command line with `-D unmustuse-in-always-ok`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<response::Response<http_body_util::combinators::box_body::UnsyncBoxBody<prost::bytes::Bytes, Status>>, Infallible>
[INFO] [stdout]    --> src/bin/server/../../zkp_auth.rs:367:25
[INFO] [stdout]     |
[INFO] [stdout] 367 |                         Ok(res)
[INFO] [stdout]     |                         ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<response::Response<http_body_util::combinators::box_body::UnsyncBoxBody<prost::bytes::Bytes, Status>>, Infallible>
[INFO] [stdout]    --> src/bin/server/../../zkp_auth.rs:405:42
[INFO] [stdout]     |
[INFO] [stdout] 405 |                       let fut = async move {
[INFO] [stdout]     |  __________________________________________^
[INFO] [stdout] 406 | |                         let method = CreateAuthenticationChallengeSvc(inner);
[INFO] [stdout] 407 | |                         let codec = tonic::codec::ProstCodec::default();
[INFO] [stdout] 408 | |                         let mut grpc = tonic::server::Grpc::new(codec)
[INFO] [stdout] ...   |
[INFO] [stdout] 418 | |                         Ok(res)
[INFO] [stdout] 419 | |                     };
[INFO] [stdout]     | |_____________________^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<response::Response<http_body_util::combinators::box_body::UnsyncBoxBody<prost::bytes::Bytes, Status>>, Infallible>
[INFO] [stdout]    --> src/bin/server/../../zkp_auth.rs:418:25
[INFO] [stdout]     |
[INFO] [stdout] 418 |                         Ok(res)
[INFO] [stdout]     |                         ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<response::Response<http_body_util::combinators::box_body::UnsyncBoxBody<prost::bytes::Bytes, Status>>, Infallible>
[INFO] [stdout]    --> src/bin/server/../../zkp_auth.rs:450:42
[INFO] [stdout]     |
[INFO] [stdout] 450 |                       let fut = async move {
[INFO] [stdout]     |  __________________________________________^
[INFO] [stdout] 451 | |                         let method = VerifyAuthenticationSvc(inner);
[INFO] [stdout] 452 | |                         let codec = tonic::codec::ProstCodec::default();
[INFO] [stdout] 453 | |                         let mut grpc = tonic::server::Grpc::new(codec)
[INFO] [stdout] ...   |
[INFO] [stdout] 463 | |                         Ok(res)
[INFO] [stdout] 464 | |                     };
[INFO] [stdout]     | |_____________________^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<response::Response<http_body_util::combinators::box_body::UnsyncBoxBody<prost::bytes::Bytes, Status>>, Infallible>
[INFO] [stdout]    --> src/bin/server/../../zkp_auth.rs:463:25
[INFO] [stdout]     |
[INFO] [stdout] 463 |                         Ok(res)
[INFO] [stdout]     |                         ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<response::Response<http_body_util::combinators::box_body::UnsyncBoxBody<prost::bytes::Bytes, Status>>, Infallible>
[INFO] [stdout]    --> src/bin/server/../../zkp_auth.rs:468:41
[INFO] [stdout]     |
[INFO] [stdout] 468 |                       Box::pin(async move {
[INFO] [stdout]     |  _________________________________________^
[INFO] [stdout] 469 | |                         let mut response = http::Response::new(empty_body());
[INFO] [stdout] 470 | |                         let headers = response.headers_mut();
[INFO] [stdout] 471 | |                         headers
[INFO] [stdout] ...   |
[INFO] [stdout] 481 | |                         Ok(response)
[INFO] [stdout] 482 | |                     })
[INFO] [stdout]     | |_____________________^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<response::Response<http_body_util::combinators::box_body::UnsyncBoxBody<prost::bytes::Bytes, Status>>, Infallible>
[INFO] [stdout]    --> src/bin/server/../../zkp_auth.rs:481:25
[INFO] [stdout]     |
[INFO] [stdout] 481 |                         Ok(response)
[INFO] [stdout]     |                         ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `zkp_chaum_pedersen` (bin "server" test) due to 8 previous errors; 7 warnings emitted
[INFO] [stdout] warning: unused variable: `client`
[INFO] [stdout]   --> src/bin/client/main.rs:13:9
[INFO] [stdout]    |
[INFO] [stdout] 13 |     let client = AuthClient::connect("http://127.0.0.1:5051")
[INFO] [stdout]    |         ^^^^^^ help: if this is intentional, prefix it with an underscore: `_client`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<response::Response<http_body_util::combinators::box_body::UnsyncBoxBody<prost::bytes::Bytes, Status>>, Infallible>
[INFO] [stdout]    --> src/bin/client/../../zkp_auth.rs:354:42
[INFO] [stdout]     |
[INFO] [stdout] 354 |                       let fut = async move {
[INFO] [stdout]     |  __________________________________________^
[INFO] [stdout] 355 | |                         let method = RegisterSvc(inner);
[INFO] [stdout] 356 | |                         let codec = tonic::codec::ProstCodec::default();
[INFO] [stdout] 357 | |                         let mut grpc = tonic::server::Grpc::new(codec)
[INFO] [stdout] ...   |
[INFO] [stdout] 367 | |                         Ok(res)
[INFO] [stdout] 368 | |                     };
[INFO] [stdout]     | |_____________________^
[INFO] [stdout]     |
[INFO] [stdout]     = note: requested on the command line with `-D unmustuse-in-always-ok`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<response::Response<http_body_util::combinators::box_body::UnsyncBoxBody<prost::bytes::Bytes, Status>>, Infallible>
[INFO] [stdout]    --> src/bin/client/../../zkp_auth.rs:367:25
[INFO] [stdout]     |
[INFO] [stdout] 367 |                         Ok(res)
[INFO] [stdout]     |                         ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<response::Response<http_body_util::combinators::box_body::UnsyncBoxBody<prost::bytes::Bytes, Status>>, Infallible>
[INFO] [stdout]    --> src/bin/client/../../zkp_auth.rs:405:42
[INFO] [stdout]     |
[INFO] [stdout] 405 |                       let fut = async move {
[INFO] [stdout]     |  __________________________________________^
[INFO] [stdout] 406 | |                         let method = CreateAuthenticationChallengeSvc(inner);
[INFO] [stdout] 407 | |                         let codec = tonic::codec::ProstCodec::default();
[INFO] [stdout] 408 | |                         let mut grpc = tonic::server::Grpc::new(codec)
[INFO] [stdout] ...   |
[INFO] [stdout] 418 | |                         Ok(res)
[INFO] [stdout] 419 | |                     };
[INFO] [stdout]     | |_____________________^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<response::Response<http_body_util::combinators::box_body::UnsyncBoxBody<prost::bytes::Bytes, Status>>, Infallible>
[INFO] [stdout]    --> src/bin/client/../../zkp_auth.rs:418:25
[INFO] [stdout]     |
[INFO] [stdout] 418 |                         Ok(res)
[INFO] [stdout]     |                         ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<response::Response<http_body_util::combinators::box_body::UnsyncBoxBody<prost::bytes::Bytes, Status>>, Infallible>
[INFO] [stdout]    --> src/bin/client/../../zkp_auth.rs:450:42
[INFO] [stdout]     |
[INFO] [stdout] 450 |                       let fut = async move {
[INFO] [stdout]     |  __________________________________________^
[INFO] [stdout] 451 | |                         let method = VerifyAuthenticationSvc(inner);
[INFO] [stdout] 452 | |                         let codec = tonic::codec::ProstCodec::default();
[INFO] [stdout] 453 | |                         let mut grpc = tonic::server::Grpc::new(codec)
[INFO] [stdout] ...   |
[INFO] [stdout] 463 | |                         Ok(res)
[INFO] [stdout] 464 | |                     };
[INFO] [stdout]     | |_____________________^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<response::Response<http_body_util::combinators::box_body::UnsyncBoxBody<prost::bytes::Bytes, Status>>, Infallible>
[INFO] [stdout]    --> src/bin/client/../../zkp_auth.rs:463:25
[INFO] [stdout]     |
[INFO] [stdout] 463 |                         Ok(res)
[INFO] [stdout]     |                         ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<response::Response<http_body_util::combinators::box_body::UnsyncBoxBody<prost::bytes::Bytes, Status>>, Infallible>
[INFO] [stdout]    --> src/bin/client/../../zkp_auth.rs:468:41
[INFO] [stdout]     |
[INFO] [stdout] 468 |                       Box::pin(async move {
[INFO] [stdout]     |  _________________________________________^
[INFO] [stdout] 469 | |                         let mut response = http::Response::new(empty_body());
[INFO] [stdout] 470 | |                         let headers = response.headers_mut();
[INFO] [stdout] 471 | |                         headers
[INFO] [stdout] ...   |
[INFO] [stdout] 481 | |                         Ok(response)
[INFO] [stdout] 482 | |                     })
[INFO] [stdout]     | |_____________________^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<response::Response<http_body_util::combinators::box_body::UnsyncBoxBody<prost::bytes::Bytes, Status>>, Infallible>
[INFO] [stdout]    --> src/bin/client/../../zkp_auth.rs:481:25
[INFO] [stdout]     |
[INFO] [stdout] 481 |                         Ok(response)
[INFO] [stdout]     |                         ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `zkp_chaum_pedersen` (bin "client" test) due to 8 previous errors; 1 warning emitted
[INFO] running `Command { std: "docker" "inspect" "d2efb7bb8bdab7529616b3ff1dbe0bf2d592c65ff5c5f1bfc21eaa8255b0f638", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d2efb7bb8bdab7529616b3ff1dbe0bf2d592c65ff5c5f1bfc21eaa8255b0f638", kill_on_drop: false }`
[INFO] [stdout] d2efb7bb8bdab7529616b3ff1dbe0bf2d592c65ff5c5f1bfc21eaa8255b0f638
