[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] checking preers/preers 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%2Fpreers%2Fpreers" "/workspace/builds/worker-3-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-3-tc2/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-3-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/preers/preers 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/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" "+4f260f0f20b3133d20cfb50353c0221943af5796" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+4f260f0f20b3133d20cfb50353c0221943af5796" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 545ed43d4155788a95c5a77e01277ae1e0ab119ad03b918b14cee68084224330
[INFO] running `Command { std: "docker" "start" "-a" "545ed43d4155788a95c5a77e01277ae1e0ab119ad03b918b14cee68084224330", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "545ed43d4155788a95c5a77e01277ae1e0ab119ad03b918b14cee68084224330", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "545ed43d4155788a95c5a77e01277ae1e0ab119ad03b918b14cee68084224330", kill_on_drop: false }`
[INFO] [stdout] 545ed43d4155788a95c5a77e01277ae1e0ab119ad03b918b14cee68084224330
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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] e1d9a8d77c76340c732cf03ec018e85acbb9f58c5bf308a405326756d3fcaac5
[INFO] running `Command { std: "docker" "start" "-a" "e1d9a8d77c76340c732cf03ec018e85acbb9f58c5bf308a405326756d3fcaac5", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.162
[INFO] [stderr]    Compiling semver v1.0.23
[INFO] [stderr]    Compiling cc v1.1.37
[INFO] [stderr]     Checking litemap v0.7.3
[INFO] [stderr]     Checking icu_locid_transform_data v1.5.0
[INFO] [stderr]     Checking icu_properties_data v1.5.0
[INFO] [stderr]    Compiling syn v2.0.87
[INFO] [stderr]     Checking icu_normalizer_data v1.5.0
[INFO] [stderr]     Checking generic-array v0.14.7
[INFO] [stderr]     Checking cpufeatures v0.2.14
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]     Checking data-encoding v2.6.0
[INFO] [stderr]     Checking unsigned-varint v0.8.0
[INFO] [stderr]     Checking ed25519 v2.2.3
[INFO] [stderr]     Checking core2 v0.4.0
[INFO] [stderr]     Checking quick-protobuf v0.8.1
[INFO] [stderr]     Checking allocator-api2 v0.2.20
[INFO] [stderr]     Checking base-x v0.2.11
[INFO] [stderr]     Checking foldhash v0.1.3
[INFO] [stderr]     Checking unsigned-varint v0.7.2
[INFO] [stderr]     Checking void v1.0.2
[INFO] [stderr]     Checking either v1.13.0
[INFO] [stderr]     Checking spin v0.9.8
[INFO] [stderr]    Compiling anyhow v1.0.93
[INFO] [stderr]     Checking time v0.3.36
[INFO] [stderr]     Checking tinyvec v1.8.0
[INFO] [stderr]    Compiling rustls v0.23.16
[INFO] [stderr]     Checking ipnet v2.10.1
[INFO] [stderr]     Checking rusticata-macros v4.1.0
[INFO] [stderr]     Checking bitflags v2.6.0
[INFO] [stderr]    Compiling openssl v0.10.68
[INFO] [stderr]    Compiling oid-registry v0.7.1
[INFO] [stderr]    Compiling quinn-udp v0.5.7
[INFO] [stderr]     Checking num-bigint v0.4.6
[INFO] [stderr]     Checking unicode-bidi v0.3.17
[INFO] [stderr]     Checking hashbrown v0.15.1
[INFO] [stderr]     Checking untrusted v0.7.1
[INFO] [stderr]     Checking spin v0.5.2
[INFO] [stderr]    Compiling rustc_version v0.4.1
[INFO] [stderr]    Compiling native-tls v0.2.12
[INFO] [stderr]     Checking match_cfg v0.1.0
[INFO] [stderr]     Checking pem v3.0.4
[INFO] [stderr]     Checking rustc-hash v2.0.0
[INFO] [stderr]     Checking linked-hash-map v0.5.6
[INFO] [stderr]     Checking nohash-hasher v0.2.0
[INFO] [stderr]     Checking openssl-probe v0.1.5
[INFO] [stderr]     Checking anstyle-parse v0.2.6
[INFO] [stderr]     Checking lru-cache v0.1.2
[INFO] [stderr]     Checking crypto-common v0.1.6
[INFO] [stderr]     Checking block-buffer v0.10.4
[INFO] [stderr]     Checking sync_wrapper v1.0.1
[INFO] [stderr]     Checking colorchoice v1.0.3
[INFO] [stderr]     Checking regex-syntax v0.6.29
[INFO] [stderr]     Checking anstyle v1.0.10
[INFO] [stderr]     Checking is_terminal_polyfill v1.70.1
[INFO] [stderr]     Checking regex-syntax v0.8.5
[INFO] [stderr]     Checking digest v0.10.7
[INFO] [stderr]     Checking anstyle-query v1.1.2
[INFO] [stderr]     Checking unicode-normalization v0.1.24
[INFO] [stderr]    Compiling curve25519-dalek v4.1.3
[INFO] [stderr]    Compiling snow v0.9.6
[INFO] [stderr]     Checking clap_lex v0.7.2
[INFO] [stderr]     Checking bimap v0.6.3
[INFO] [stderr]     Checking anstream v0.6.18
[INFO] [stderr]     Checking lru v0.12.5
[INFO] [stderr]     Checking indexmap v2.6.0
[INFO] [stderr]     Checking tower-http v0.6.1
[INFO] [stderr]     Checking sha2 v0.10.8
[INFO] [stderr]     Checking hmac v0.12.1
[INFO] [stderr]     Checking hkdf v0.12.4
[INFO] [stderr]     Checking clap_builder v4.5.20
[INFO] [stderr]    Compiling ring v0.17.8
[INFO] [stderr]    Compiling openssl-sys v0.9.104
[INFO] [stderr]    Compiling ring v0.16.20
[INFO] [stderr]    Compiling libsqlite3-sys v0.30.1
[INFO] [stderr]    Compiling data-encoding-macro-internal v0.1.13
[INFO] [stderr]     Checking yasna v0.5.2
[INFO] [stderr]     Checking idna v0.4.0
[INFO] [stderr]     Checking parking_lot_core v0.9.10
[INFO] [stderr]     Checking getrandom v0.2.15
[INFO] [stderr]     Checking socket2 v0.5.7
[INFO] [stderr]     Checking rand_core v0.6.4
[INFO] [stderr]     Checking mio v1.0.2
[INFO] [stderr]     Checking signal-hook-registry v1.4.2
[INFO] [stderr]     Checking num_cpus v1.16.0
[INFO] [stderr]     Checking parking_lot v0.12.3
[INFO] [stderr]     Checking nix v0.24.3
[INFO] [stderr]     Checking hostname v0.3.1
[INFO] [stderr]     Checking data-encoding-macro v0.1.15
[INFO] [stderr]     Checking resolv-conf v0.7.0
[INFO] [stderr]     Checking multibase v0.9.1
[INFO] [stderr]     Checking regex-automata v0.4.8
[INFO] [stderr]     Checking regex-automata v0.1.10
[INFO] [stderr]     Checking matchers v0.1.0
[INFO] [stderr]     Checking regex v1.11.1
[INFO] [stderr]    Compiling synstructure v0.13.1
[INFO] [stderr]    Compiling futures-macro v0.3.31
[INFO] [stderr]    Compiling displaydoc v0.2.5
[INFO] [stderr]    Compiling thiserror-impl v1.0.69
[INFO] [stderr]    Compiling tracing-attributes v0.1.27
[INFO] [stderr]    Compiling zerocopy-derive v0.7.35
[INFO] [stderr]    Compiling zerovec-derive v0.10.3
[INFO] [stderr]    Compiling tokio-macros v2.4.0
[INFO] [stderr]    Compiling icu_provider_macros v1.5.0
[INFO] [stderr]    Compiling zeroize_derive v1.4.2
[INFO] [stderr]    Compiling serde_derive v1.0.214
[INFO] [stderr]    Compiling curve25519-dalek-derive v0.1.1
[INFO] [stderr]    Compiling pin-project-internal v1.1.7
[INFO] [stderr]    Compiling zerofrom-derive v0.1.4
[INFO] [stderr]    Compiling yoke-derive v0.7.4
[INFO] [stderr]    Compiling libp2p-swarm-derive v0.35.0
[INFO] [stderr]    Compiling async-trait v0.1.83
[INFO] [stderr]     Checking rustls-webpki v0.102.8
[INFO] [stderr]     Checking futures-util v0.3.31
[INFO] [stderr]     Checking zeroize v1.8.1
[INFO] [stderr]     Checking tokio v1.41.1
[INFO] [stderr]    Compiling asn1-rs-derive v0.5.1
[INFO] [stderr]    Compiling asn1-rs-impl v0.2.0
[INFO] [stderr]     Checking zerocopy v0.7.35
[INFO] [stderr]    Compiling openssl-macros v0.1.1
[INFO] [stderr]    Compiling enum-as-inner v0.6.1
[INFO] [stderr]     Checking tracing v0.1.40
[INFO] [stderr]     Checking rcgen v0.11.3
[INFO] [stderr]     Checking thiserror v1.0.69
[INFO] [stderr]     Checking rustls-webpki v0.101.7
[INFO] [stderr]    Compiling clap_derive v4.5.18
[INFO] [stderr]     Checking netlink-packet-utils v0.5.2
[INFO] [stderr]     Checking ppv-lite86 v0.2.20
[INFO] [stderr]     Checking asn1-rs v0.6.2
[INFO] [stderr]     Checking netlink-packet-core v0.4.2
[INFO] [stderr]     Checking pin-project v1.1.7
[INFO] [stderr]     Checking ahash v0.8.11
[INFO] [stderr]     Checking tracing-subscriber v0.3.18
[INFO] [stderr]     Checking netlink-packet-route v0.12.0
[INFO] [stderr]     Checking hashbrown v0.14.5
[INFO] [stderr]     Checking rand_chacha v0.3.1
[INFO] [stderr]     Checking zerofrom v0.1.4
[INFO] [stderr]     Checking ed25519-dalek v2.1.1
[INFO] [stderr]     Checking x25519-dalek v2.0.1
[INFO] [stderr]     Checking yoke v0.7.4
[INFO] [stderr]     Checking rand v0.8.5
[INFO] [stderr]     Checking zerovec v0.10.4
[INFO] [stderr]     Checking der-parser v9.0.0
[INFO] [stderr]     Checking hashlink v0.9.1
[INFO] [stderr]     Checking serde v1.0.214
[INFO] [stderr]     Checking tinystr v0.7.6
[INFO] [stderr]     Checking icu_collections v1.5.0
[INFO] [stderr]     Checking clap v4.5.20
[INFO] [stderr]     Checking icu_locid v1.5.0
[INFO] [stderr]     Checking x509-parser v0.16.0
[INFO] [stderr]     Checking futures-rustls v0.26.0
[INFO] [stderr]     Checking quinn-proto v0.11.8
[INFO] [stderr]     Checking icu_provider v1.5.0
[INFO] [stderr]     Checking futures-executor v0.3.31
[INFO] [stderr]     Checking asynchronous-codec v0.7.0
[INFO] [stderr]     Checking futures-bounded v0.2.4
[INFO] [stderr]     Checking http-body-util v0.1.2
[INFO] [stderr]     Checking futures v0.3.31
[INFO] [stderr]     Checking axum-core v0.4.5
[INFO] [stderr]     Checking rw-stream-sink v0.4.0
[INFO] [stderr]     Checking multistream-select v0.13.0
[INFO] [stderr]     Checking yamux v0.13.3
[INFO] [stderr]     Checking yamux v0.12.1
[INFO] [stderr]     Checking icu_locid_transform v1.5.0
[INFO] [stderr]     Checking quick-protobuf-codec v0.3.1
[INFO] [stderr]     Checking multihash v0.19.2
[INFO] [stderr]     Checking serde_urlencoded v0.7.1
[INFO] [stderr]     Checking serde_json v1.0.132
[INFO] [stderr]     Checking serde_path_to_error v0.1.16
[INFO] [stderr]     Checking rusqlite v0.32.1
[INFO] [stderr]     Checking libp2p-identity v0.2.9
[INFO] [stderr]     Checking icu_properties v1.5.1
[INFO] [stderr]     Checking netlink-sys v0.8.6
[INFO] [stderr]     Checking tokio-util v0.7.12
[INFO] [stderr]     Checking tokio-native-tls v0.3.1
[INFO] [stderr]     Checking tower v0.5.1
[INFO] [stderr]     Checking netlink-proto v0.10.0
[INFO] [stderr]     Checking rtnetlink v0.10.1
[INFO] [stderr]     Checking h2 v0.4.6
[INFO] [stderr]     Checking quinn v0.11.5
[INFO] [stderr]     Checking if-watch v3.2.0
[INFO] [stderr]     Checking icu_normalizer v1.5.0
[INFO] [stderr]     Checking idna_adapter v1.2.0
[INFO] [stderr]     Checking idna v1.0.3
[INFO] [stderr]     Checking url v2.5.3
[INFO] [stderr]     Checking multiaddr v0.18.2
[INFO] [stderr]     Checking hickory-proto v0.24.1
[INFO] [stderr]     Checking libp2p-core v0.42.0
[INFO] [stderr]     Checking libp2p-swarm v0.45.1
[INFO] [stderr]     Checking libp2p-tls v0.5.0
[INFO] [stderr]     Checking libp2p-yamux v0.46.0
[INFO] [stderr]     Checking libp2p-tcp v0.42.0
[INFO] [stderr]     Checking libp2p-noise v0.45.0
[INFO] [stderr]     Checking libp2p-quic v0.11.1
[INFO] [stderr]     Checking hyper v1.5.0
[INFO] [stderr]     Checking libp2p-request-response v0.27.0
[INFO] [stderr]     Checking libp2p-connection-limits v0.4.0
[INFO] [stderr]     Checking libp2p-relay v0.18.0
[INFO] [stderr]     Checking libp2p-allow-block-list v0.4.0
[INFO] [stderr]     Checking libp2p-dcutr v0.12.0
[INFO] [stderr]     Checking libp2p-identify v0.45.0
[INFO] [stderr]     Checking libp2p-ping v0.45.0
[INFO] [stderr]     Checking libp2p-stream v0.2.0-alpha
[INFO] [stderr]     Checking hickory-resolver v0.24.1
[INFO] [stderr]     Checking libp2p-rendezvous v0.15.0
[INFO] [stderr]     Checking libp2p-autonat v0.13.0
[INFO] [stderr]     Checking hyper-util v0.1.10
[INFO] [stderr]     Checking libp2p-dns v0.42.0
[INFO] [stderr]     Checking hyper-tls v0.6.0
[INFO] [stderr]     Checking axum v0.7.7
[INFO] [stderr]     Checking reqwest v0.12.9
[INFO] [stderr]     Checking libp2p v0.54.1
[INFO] [stderr]     Checking 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] error: this type will no longer be must used: ControlFlow<std::result::Result<Infallible, Infallible>, SwarmBuilder<libp2p::builder::phase::provider::Tokio, libp2p::builder::phase::swarm::SwarmPhase<impl libp2p::builder::phase::AuthenticatedMultiplexedTransport, app::Behaviour>>>
[INFO] [stdout]    --> src/bin/preers/app.rs:79:21
[INFO] [stdout]     |
[INFO] [stdout]  79 |           let swarm = SwarmBuilder::with_existing_identity(keypair)
[INFO] [stdout]     |  _____________________^
[INFO] [stdout]  80 | |             .with_tokio()
[INFO] [stdout]  81 | |             .with_tcp(
[INFO] [stdout]  82 | |                 tcp::Config::default().nodelay(true),
[INFO] [stdout] ...   |
[INFO] [stdout] 112 | |                 .into(),
[INFO] [stdout] 113 | |             })?
[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: std::result::Result<SwarmBuilder<libp2p::builder::phase::provider::Tokio, libp2p::builder::phase::swarm::SwarmPhase<impl libp2p::builder::phase::AuthenticatedMultiplexedTransport, app::Behaviour>>, Infallible>
[INFO] [stdout]    --> src/bin/preers/app.rs:79:21
[INFO] [stdout]     |
[INFO] [stdout]  79 |           let swarm = SwarmBuilder::with_existing_identity(keypair)
[INFO] [stdout]     |  _____________________^
[INFO] [stdout]  80 | |             .with_tokio()
[INFO] [stdout]  81 | |             .with_tcp(
[INFO] [stdout]  82 | |                 tcp::Config::default().nodelay(true),
[INFO] [stdout] ...   |
[INFO] [stdout] 112 | |                 .into(),
[INFO] [stdout] 113 | |             })?
[INFO] [stdout]     | |______________^
[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] error: could not compile `preers` (bin "preers" test) due to 2 previous errors; 12 warnings emitted
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[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] error: this type will no longer be must used: ControlFlow<std::result::Result<Infallible, Infallible>, SwarmBuilder<libp2p::builder::phase::provider::Tokio, libp2p::builder::phase::swarm::SwarmPhase<impl libp2p::builder::phase::AuthenticatedMultiplexedTransport, app::Behaviour>>>
[INFO] [stdout]    --> src/bin/preers/app.rs:79:21
[INFO] [stdout]     |
[INFO] [stdout]  79 |           let swarm = SwarmBuilder::with_existing_identity(keypair)
[INFO] [stdout]     |  _____________________^
[INFO] [stdout]  80 | |             .with_tokio()
[INFO] [stdout]  81 | |             .with_tcp(
[INFO] [stdout]  82 | |                 tcp::Config::default().nodelay(true),
[INFO] [stdout] ...   |
[INFO] [stdout] 112 | |                 .into(),
[INFO] [stdout] 113 | |             })?
[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: std::result::Result<SwarmBuilder<libp2p::builder::phase::provider::Tokio, libp2p::builder::phase::swarm::SwarmPhase<impl libp2p::builder::phase::AuthenticatedMultiplexedTransport, app::Behaviour>>, Infallible>
[INFO] [stdout]    --> src/bin/preers/app.rs:79:21
[INFO] [stdout]     |
[INFO] [stdout]  79 |           let swarm = SwarmBuilder::with_existing_identity(keypair)
[INFO] [stdout]     |  _____________________^
[INFO] [stdout]  80 | |             .with_tokio()
[INFO] [stdout]  81 | |             .with_tcp(
[INFO] [stdout]  82 | |                 tcp::Config::default().nodelay(true),
[INFO] [stdout] ...   |
[INFO] [stdout] 112 | |                 .into(),
[INFO] [stdout] 113 | |             })?
[INFO] [stdout]     | |______________^
[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] error: could not compile `preers` (bin "preers") due to 2 previous errors; 12 warnings emitted
[INFO] running `Command { std: "docker" "inspect" "e1d9a8d77c76340c732cf03ec018e85acbb9f58c5bf308a405326756d3fcaac5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e1d9a8d77c76340c732cf03ec018e85acbb9f58c5bf308a405326756d3fcaac5", kill_on_drop: false }`
[INFO] [stdout] e1d9a8d77c76340c732cf03ec018e85acbb9f58c5bf308a405326756d3fcaac5
