[INFO] cloning repository https://github.com/preers/preers
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/preers/preers" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fpreers%2Fpreers", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fpreers%2Fpreers'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] af9069a9708a87aede09f4e677e6b601efed5d68
[INFO] testing preers/preers against master#1f7f8ea0721a3b1eb73e6c6d25cccb371434b320 for pr-154065
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fpreers%2Fpreers" "/workspace/builds/worker-5-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-5-tc1/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/preers/preers
[INFO] finished tweaking git repo https://github.com/preers/preers
[INFO] tweaked toml for git repo https://github.com/preers/preers written to /workspace/builds/worker-5-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/preers/preers on toolchain 1f7f8ea0721a3b1eb73e6c6d25cccb371434b320
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1f7f8ea0721a3b1eb73e6c6d25cccb371434b320" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/preers/preers 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" "+1f7f8ea0721a3b1eb73e6c6d25cccb371434b320" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
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[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+1f7f8ea0721a3b1eb73e6c6d25cccb371434b320" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
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[INFO] running `Command { std: "docker" "start" "-a" "32b5e0cd214199bc01da5e48cdaf62d07d7d5e9f4e0a094797474cabd7ded501", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "32b5e0cd214199bc01da5e48cdaf62d07d7d5e9f4e0a094797474cabd7ded501", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "32b5e0cd214199bc01da5e48cdaf62d07d7d5e9f4e0a094797474cabd7ded501", kill_on_drop: false }`
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[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+1f7f8ea0721a3b1eb73e6c6d25cccb371434b320" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
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[INFO] running `Command { std: "docker" "start" "-a" "8962e68c03e7af9d3b36cb17182eac963695ad7681ec731b2d2c4df92782023a", kill_on_drop: false }`
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[INFO] [stderr]    Compiling axum v0.7.7
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[INFO] [stderr]    Compiling preers v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `address`
[INFO] [stdout]    --> src/bin/preers/app.rs:361:49
[INFO] [stdout]     |
[INFO] [stdout] 361 |             SwarmEvent::ExternalAddrConfirmed { address } => {
[INFO] [stdout]     |                                                 ^^^^^^^ help: try ignoring the field: `address: _`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `AddRelay` is never constructed
[INFO] [stdout]   --> src/bin/preers/app.rs:47:5
[INFO] [stdout]    |
[INFO] [stdout] 45 | pub(crate) enum Command {
[INFO] [stdout]    |                 ------- variant in this enum
[INFO] [stdout] 46 |     AddRendezvous(Multiaddr),
[INFO] [stdout] 47 |     AddRelay(PeerId),
[INFO] [stdout]    |     ^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `std::result::Result` that must be used
[INFO] [stdout]    --> src/bin/preers/app.rs:180:13
[INFO] [stdout]     |
[INFO] [stdout] 180 |             self.provide_service_tx.try_send(provide_service);
[INFO] [stdout]     |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout]     = note: `#[warn(unused_must_use)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 180 |             let _ = self.provide_service_tx.try_send(provide_service);
[INFO] [stdout]     |             +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `std::result::Result` that must be used
[INFO] [stdout]    --> src/bin/preers/app.rs:424:17
[INFO] [stdout]     |
[INFO] [stdout] 424 | /                 resp.send(NetworkInfo {
[INFO] [stdout] 425 | |                     peer_id: *self.swarm.local_peer_id(),
[INFO] [stdout] 426 | |                     peers: self
[INFO] [stdout] 427 | |                         .peers
[INFO] [stdout] ...   |
[INFO] [stdout] 433 | |                         .collect(),
[INFO] [stdout] 434 | |                 });
[INFO] [stdout]     | |__________________^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 424 |                 let _ = resp.send(NetworkInfo {
[INFO] [stdout]     |                 +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `std::result::Result` that must be used
[INFO] [stdout]    --> src/bin/preers/app.rs:446:17
[INFO] [stdout]     |
[INFO] [stdout] 446 |                 self.provide_service_tx.try_send(provide_service);
[INFO] [stdout]     |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 446 |                 let _ = self.provide_service_tx.try_send(provide_service);
[INFO] [stdout]     |                 +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `std::result::Result` that must be used
[INFO] [stdout]    --> src/bin/preers/db.rs:223:25
[INFO] [stdout]     |
[INFO] [stdout] 223 |                         resp.send(self.handle_add(inner));
[INFO] [stdout]     |                         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 223 |                         let _ = resp.send(self.handle_add(inner));
[INFO] [stdout]     |                         +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `std::result::Result` that must be used
[INFO] [stdout]    --> src/bin/preers/db.rs:226:25
[INFO] [stdout]     |
[INFO] [stdout] 226 |                         resp.send(self.handle_del(inner));
[INFO] [stdout]     |                         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 226 |                         let _ = resp.send(self.handle_del(inner));
[INFO] [stdout]     |                         +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `std::result::Result` that must be used
[INFO] [stdout]    --> src/bin/preers/db.rs:229:25
[INFO] [stdout]     |
[INFO] [stdout] 229 |                         resp.send(self.get_rendezvous_list());
[INFO] [stdout]     |                         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 229 |                         let _ = resp.send(self.get_rendezvous_list());
[INFO] [stdout]     |                         +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `std::result::Result` that must be used
[INFO] [stdout]    --> src/bin/preers/db.rs:232:25
[INFO] [stdout]     |
[INFO] [stdout] 232 |                         resp.send(self.get_used_services());
[INFO] [stdout]     |                         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 232 |                         let _ = resp.send(self.get_used_services());
[INFO] [stdout]     |                         +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `std::result::Result` that must be used
[INFO] [stdout]    --> src/bin/preers/db.rs:235:25
[INFO] [stdout]     |
[INFO] [stdout] 235 |                         resp.send(self.get_provided_services());
[INFO] [stdout]     |                         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 235 |                         let _ = resp.send(self.get_provided_services());
[INFO] [stdout]     |                         +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `std::result::Result` that must be used
[INFO] [stdout]    --> src/bin/preers/proxy.rs:155:9
[INFO] [stdout]     |
[INFO] [stdout] 155 | /         framed_stream
[INFO] [stdout] 156 | |             .send(proto::UseServiceResp { allowed: false })
[INFO] [stdout] 157 | |             .await;
[INFO] [stdout]     | |__________________^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 155 |         let _ = framed_stream
[INFO] [stdout]     |         +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `std::result::Result` that must be used
[INFO] [stdout]    --> src/bin/preers/proxy.rs:158:9
[INFO] [stdout]     |
[INFO] [stdout] 158 |         framed_stream.close().await;
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 158 |         let _ = framed_stream.close().await;
[INFO] [stdout]     |         +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 1m 54s
[INFO] running `Command { std: "docker" "inspect" "8962e68c03e7af9d3b36cb17182eac963695ad7681ec731b2d2c4df92782023a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8962e68c03e7af9d3b36cb17182eac963695ad7681ec731b2d2c4df92782023a", kill_on_drop: false }`
[INFO] [stdout] 8962e68c03e7af9d3b36cb17182eac963695ad7681ec731b2d2c4df92782023a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+1f7f8ea0721a3b1eb73e6c6d25cccb371434b320" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] bcf9f230736b5d7e7f8ecb55c1433d9cd75ab876c248a5b853390f673e79d8a7
[INFO] running `Command { std: "docker" "start" "-a" "bcf9f230736b5d7e7f8ecb55c1433d9cd75ab876c248a5b853390f673e79d8a7", kill_on_drop: false }`
[INFO] [stderr]    Compiling preers v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `address`
[INFO] [stdout]    --> src/bin/preers/app.rs:361:49
[INFO] [stdout]     |
[INFO] [stdout] 361 |             SwarmEvent::ExternalAddrConfirmed { address } => {
[INFO] [stdout]     |                                                 ^^^^^^^ help: try ignoring the field: `address: _`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `AddRelay` is never constructed
[INFO] [stdout]   --> src/bin/preers/app.rs:47:5
[INFO] [stdout]    |
[INFO] [stdout] 45 | pub(crate) enum Command {
[INFO] [stdout]    |                 ------- variant in this enum
[INFO] [stdout] 46 |     AddRendezvous(Multiaddr),
[INFO] [stdout] 47 |     AddRelay(PeerId),
[INFO] [stdout]    |     ^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `std::result::Result` that must be used
[INFO] [stdout]    --> src/bin/preers/app.rs:180:13
[INFO] [stdout]     |
[INFO] [stdout] 180 |             self.provide_service_tx.try_send(provide_service);
[INFO] [stdout]     |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout]     = note: `#[warn(unused_must_use)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 180 |             let _ = self.provide_service_tx.try_send(provide_service);
[INFO] [stdout]     |             +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `std::result::Result` that must be used
[INFO] [stdout]    --> src/bin/preers/app.rs:424:17
[INFO] [stdout]     |
[INFO] [stdout] 424 | /                 resp.send(NetworkInfo {
[INFO] [stdout] 425 | |                     peer_id: *self.swarm.local_peer_id(),
[INFO] [stdout] 426 | |                     peers: self
[INFO] [stdout] 427 | |                         .peers
[INFO] [stdout] ...   |
[INFO] [stdout] 433 | |                         .collect(),
[INFO] [stdout] 434 | |                 });
[INFO] [stdout]     | |__________________^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 424 |                 let _ = resp.send(NetworkInfo {
[INFO] [stdout]     |                 +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `std::result::Result` that must be used
[INFO] [stdout]    --> src/bin/preers/app.rs:446:17
[INFO] [stdout]     |
[INFO] [stdout] 446 |                 self.provide_service_tx.try_send(provide_service);
[INFO] [stdout]     |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 446 |                 let _ = self.provide_service_tx.try_send(provide_service);
[INFO] [stdout]     |                 +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `std::result::Result` that must be used
[INFO] [stdout]    --> src/bin/preers/db.rs:223:25
[INFO] [stdout]     |
[INFO] [stdout] 223 |                         resp.send(self.handle_add(inner));
[INFO] [stdout]     |                         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 223 |                         let _ = resp.send(self.handle_add(inner));
[INFO] [stdout]     |                         +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `std::result::Result` that must be used
[INFO] [stdout]    --> src/bin/preers/db.rs:226:25
[INFO] [stdout]     |
[INFO] [stdout] 226 |                         resp.send(self.handle_del(inner));
[INFO] [stdout]     |                         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 226 |                         let _ = resp.send(self.handle_del(inner));
[INFO] [stdout]     |                         +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `std::result::Result` that must be used
[INFO] [stdout]    --> src/bin/preers/db.rs:229:25
[INFO] [stdout]     |
[INFO] [stdout] 229 |                         resp.send(self.get_rendezvous_list());
[INFO] [stdout]     |                         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 229 |                         let _ = resp.send(self.get_rendezvous_list());
[INFO] [stdout]     |                         +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `std::result::Result` that must be used
[INFO] [stdout]    --> src/bin/preers/db.rs:232:25
[INFO] [stdout]     |
[INFO] [stdout] 232 |                         resp.send(self.get_used_services());
[INFO] [stdout]     |                         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 232 |                         let _ = resp.send(self.get_used_services());
[INFO] [stdout]     |                         +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `std::result::Result` that must be used
[INFO] [stdout]    --> src/bin/preers/db.rs:235:25
[INFO] [stdout]     |
[INFO] [stdout] 235 |                         resp.send(self.get_provided_services());
[INFO] [stdout]     |                         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 235 |                         let _ = resp.send(self.get_provided_services());
[INFO] [stdout]     |                         +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `std::result::Result` that must be used
[INFO] [stdout]    --> src/bin/preers/proxy.rs:155:9
[INFO] [stdout]     |
[INFO] [stdout] 155 | /         framed_stream
[INFO] [stdout] 156 | |             .send(proto::UseServiceResp { allowed: false })
[INFO] [stdout] 157 | |             .await;
[INFO] [stdout]     | |__________________^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 155 |         let _ = framed_stream
[INFO] [stdout]     |         +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `std::result::Result` that must be used
[INFO] [stdout]    --> src/bin/preers/proxy.rs:158:9
[INFO] [stdout]     |
[INFO] [stdout] 158 |         framed_stream.close().await;
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 158 |         let _ = framed_stream.close().await;
[INFO] [stdout]     |         +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 7.71s
[INFO] running `Command { std: "docker" "inspect" "bcf9f230736b5d7e7f8ecb55c1433d9cd75ab876c248a5b853390f673e79d8a7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bcf9f230736b5d7e7f8ecb55c1433d9cd75ab876c248a5b853390f673e79d8a7", kill_on_drop: false }`
[INFO] [stdout] bcf9f230736b5d7e7f8ecb55c1433d9cd75ab876c248a5b853390f673e79d8a7
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+1f7f8ea0721a3b1eb73e6c6d25cccb371434b320" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 5d719d6649cb59e05bd21d8ec556633195302d3d771e4f9bec7180c223eb214b
[INFO] running `Command { std: "docker" "start" "-a" "5d719d6649cb59e05bd21d8ec556633195302d3d771e4f9bec7180c223eb214b", kill_on_drop: false }`
[INFO] [stderr] warning: unused variable: `address`
[INFO] [stderr]    --> src/bin/preers/app.rs:361:49
[INFO] [stderr]     |
[INFO] [stderr] 361 |             SwarmEvent::ExternalAddrConfirmed { address } => {
[INFO] [stderr]     |                                                 ^^^^^^^ help: try ignoring the field: `address: _`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variant `AddRelay` is never constructed
[INFO] [stderr]   --> src/bin/preers/app.rs:47:5
[INFO] [stderr]    |
[INFO] [stderr] 45 | pub(crate) enum Command {
[INFO] [stderr]    |                 ------- variant in this enum
[INFO] [stderr] 46 |     AddRendezvous(Multiaddr),
[INFO] [stderr] 47 |     AddRelay(PeerId),
[INFO] [stderr]    |     ^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]    --> src/bin/preers/app.rs:180:13
[INFO] [stderr]     |
[INFO] [stderr] 180 |             self.provide_service_tx.try_send(provide_service);
[INFO] [stderr]     |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr]     = note: `#[warn(unused_must_use)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] help: use `let _ = ...` to ignore the resulting value
[INFO] [stderr]     |
[INFO] [stderr] 180 |             let _ = self.provide_service_tx.try_send(provide_service);
[INFO] [stderr]     |             +++++++
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]    --> src/bin/preers/app.rs:424:17
[INFO] [stderr]     |
[INFO] [stderr] 424 | /                 resp.send(NetworkInfo {
[INFO] [stderr] 425 | |                     peer_id: *self.swarm.local_peer_id(),
[INFO] [stderr] 426 | |                     peers: self
[INFO] [stderr] 427 | |                         .peers
[INFO] [stderr] ...   |
[INFO] [stderr] 433 | |                         .collect(),
[INFO] [stderr] 434 | |                 });
[INFO] [stderr]     | |__________________^
[INFO] [stderr]     |
[INFO] [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] help: use `let _ = ...` to ignore the resulting value
[INFO] [stderr]     |
[INFO] [stderr] 424 |                 let _ = resp.send(NetworkInfo {
[INFO] [stderr]     |                 +++++++
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]    --> src/bin/preers/app.rs:446:17
[INFO] [stderr]     |
[INFO] [stderr] 446 |                 self.provide_service_tx.try_send(provide_service);
[INFO] [stderr]     |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] help: use `let _ = ...` to ignore the resulting value
[INFO] [stderr]     |
[INFO] [stderr] 446 |                 let _ = self.provide_service_tx.try_send(provide_service);
[INFO] [stderr]     |                 +++++++
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]    --> src/bin/preers/db.rs:223:25
[INFO] [stderr]     |
[INFO] [stderr] 223 |                         resp.send(self.handle_add(inner));
[INFO] [stderr]     |                         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] help: use `let _ = ...` to ignore the resulting value
[INFO] [stderr]     |
[INFO] [stderr] 223 |                         let _ = resp.send(self.handle_add(inner));
[INFO] [stderr]     |                         +++++++
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]    --> src/bin/preers/db.rs:226:25
[INFO] [stderr]     |
[INFO] [stderr] 226 |                         resp.send(self.handle_del(inner));
[INFO] [stderr]     |                         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] help: use `let _ = ...` to ignore the resulting value
[INFO] [stderr]     |
[INFO] [stderr] 226 |                         let _ = resp.send(self.handle_del(inner));
[INFO] [stderr]     |                         +++++++
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]    --> src/bin/preers/db.rs:229:25
[INFO] [stderr]     |
[INFO] [stderr] 229 |                         resp.send(self.get_rendezvous_list());
[INFO] [stderr]     |                         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] help: use `let _ = ...` to ignore the resulting value
[INFO] [stderr]     |
[INFO] [stderr] 229 |                         let _ = resp.send(self.get_rendezvous_list());
[INFO] [stderr]     |                         +++++++
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]    --> src/bin/preers/db.rs:232:25
[INFO] [stderr]     |
[INFO] [stderr] 232 |                         resp.send(self.get_used_services());
[INFO] [stderr]     |                         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] help: use `let _ = ...` to ignore the resulting value
[INFO] [stderr]     |
[INFO] [stderr] 232 |                         let _ = resp.send(self.get_used_services());
[INFO] [stderr]     |                         +++++++
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]    --> src/bin/preers/db.rs:235:25
[INFO] [stderr]     |
[INFO] [stderr] 235 |                         resp.send(self.get_provided_services());
[INFO] [stderr]     |                         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] help: use `let _ = ...` to ignore the resulting value
[INFO] [stderr]     |
[INFO] [stderr] 235 |                         let _ = resp.send(self.get_provided_services());
[INFO] [stderr]     |                         +++++++
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]    --> src/bin/preers/proxy.rs:155:9
[INFO] [stderr]     |
[INFO] [stderr] 155 | /         framed_stream
[INFO] [stderr] 156 | |             .send(proto::UseServiceResp { allowed: false })
[INFO] [stderr] 157 | |             .await;
[INFO] [stderr]     | |__________________^
[INFO] [stderr]     |
[INFO] [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] help: use `let _ = ...` to ignore the resulting value
[INFO] [stderr]     |
[INFO] [stderr] 155 |         let _ = framed_stream
[INFO] [stderr]     |         +++++++
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]    --> src/bin/preers/proxy.rs:158:9
[INFO] [stderr]     |
[INFO] [stderr] 158 |         framed_stream.close().await;
[INFO] [stderr]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] help: use `let _ = ...` to ignore the resulting value
[INFO] [stderr]     |
[INFO] [stderr] 158 |         let _ = framed_stream.close().await;
[INFO] [stderr]     |         +++++++
[INFO] [stderr] 
[INFO] [stderr] warning: `preers` (bin "preers" test) generated 12 warnings (run `cargo fix --bin "preers" -p preers --tests` to apply 1 suggestion)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.55s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/preers-878cdc8f6adf16da)
[INFO] [stdout] 
[INFO] [stderr]      Running unittests src/bin/preers/main.rs (/opt/rustwide/target/debug/deps/preers-62bfdd09e380b69f)
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stderr]      Running unittests src/bin/preers-ctl/main.rs (/opt/rustwide/target/debug/deps/preers_ctl-5cb56d29a27adbcd)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests preers
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "5d719d6649cb59e05bd21d8ec556633195302d3d771e4f9bec7180c223eb214b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5d719d6649cb59e05bd21d8ec556633195302d3d771e4f9bec7180c223eb214b", kill_on_drop: false }`
[INFO] [stdout] 5d719d6649cb59e05bd21d8ec556633195302d3d771e4f9bec7180c223eb214b
