[INFO] cloning repository https://github.com/lukestynes/swapbytes
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/lukestynes/swapbytes" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Flukestynes%2Fswapbytes", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Flukestynes%2Fswapbytes'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 5cad59b31a738c7279699536c446a42d5283c842
[INFO] checking lukestynes/swapbytes against master#cf79d034aa3d8f396d407aafce6f1ccd818e710e for pr-155657
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Flukestynes%2Fswapbytes" "/workspace/builds/worker-3-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-3-tc1/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/lukestynes/swapbytes
[INFO] finished tweaking git repo https://github.com/lukestynes/swapbytes
[INFO] tweaked toml for git repo https://github.com/lukestynes/swapbytes written to /workspace/builds/worker-3-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/lukestynes/swapbytes on toolchain cf79d034aa3d8f396d407aafce6f1ccd818e710e
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+cf79d034aa3d8f396d407aafce6f1ccd818e710e" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/lukestynes/swapbytes 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" "+cf79d034aa3d8f396d407aafce6f1ccd818e710e" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded mio v1.0.1
[INFO] [stderr]   Downloaded instability v0.3.2
[INFO] [stderr]   Downloaded data-encoding-macro v0.1.15
[INFO] [stderr]   Downloaded bytes v1.6.1
[INFO] [stderr]   Downloaded data-encoding-macro-internal v0.1.13
[INFO] [stderr]   Downloaded libp2p-identity v0.2.9
[INFO] [stderr]   Downloaded multiaddr v0.18.1
[INFO] [stderr]   Downloaded yamux v0.13.3
[INFO] [stderr]   Downloaded ratatui v0.28.0
[INFO] [stderr]   Downloaded tokio v1.39.2
[INFO] [stderr]   Downloaded cbor4ii v0.3.2
[INFO] [stderr]   Downloaded libp2p-request-response v0.27.0
[INFO] [stderr]   Downloaded quinn v0.11.3
[INFO] [stderr]   Downloaded quinn-udp v0.5.4
[INFO] [stderr]   Downloaded rustls-webpki v0.102.6
[INFO] [stderr]   Downloaded quinn-proto v0.11.6
[INFO] [stderr]   Downloaded oid-registry v0.7.0
[INFO] [stderr]   Downloaded pem v3.0.4
[INFO] [stderr]   Downloaded libp2p-kad v0.46.2
[INFO] [stderr]   Downloaded enum-as-inner v0.6.0
[INFO] [stderr]   Downloaded hickory-resolver v0.24.1
[INFO] [stderr]   Downloaded hickory-proto v0.24.1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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" "+cf79d034aa3d8f396d407aafce6f1ccd818e710e" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] e037a46bf369f5ff3dcaa3067b7cb568f9461b233715d844fa4247027fc5ffac
[INFO] running `Command { std: "docker" "start" "-a" "e037a46bf369f5ff3dcaa3067b7cb568f9461b233715d844fa4247027fc5ffac", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "e037a46bf369f5ff3dcaa3067b7cb568f9461b233715d844fa4247027fc5ffac", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e037a46bf369f5ff3dcaa3067b7cb568f9461b233715d844fa4247027fc5ffac", kill_on_drop: false }`
[INFO] [stdout] e037a46bf369f5ff3dcaa3067b7cb568f9461b233715d844fa4247027fc5ffac
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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" "+cf79d034aa3d8f396d407aafce6f1ccd818e710e" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] fcf7973012dbe148ab67f2a862a98ebf0721499ebe9341984d6c874c729f262b
[INFO] running `Command { std: "docker" "start" "-a" "fcf7973012dbe148ab67f2a862a98ebf0721499ebe9341984d6c874c729f262b", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.86
[INFO] [stderr]    Compiling libc v0.2.155
[INFO] [stderr]    Compiling autocfg v1.3.0
[INFO] [stderr]     Checking pin-project-lite v0.2.14
[INFO] [stderr]    Compiling thiserror v1.0.63
[INFO] [stderr]     Checking futures-core v0.3.30
[INFO] [stderr]     Checking smallvec v1.13.2
[INFO] [stderr]     Checking log v0.4.22
[INFO] [stderr]     Checking generic-array v0.14.7
[INFO] [stderr]     Checking futures-channel v0.3.30
[INFO] [stderr]    Compiling rustc_version v0.4.0
[INFO] [stderr]     Checking bytes v1.6.1
[INFO] [stderr]    Compiling cc v1.1.8
[INFO] [stderr]    Compiling slab v0.4.9
[INFO] [stderr]    Compiling lock_api v0.4.12
[INFO] [stderr]    Compiling curve25519-dalek v4.1.3
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]     Checking crypto-common v0.1.6
[INFO] [stderr]     Checking block-buffer v0.10.4
[INFO] [stderr]     Checking unicode-normalization v0.1.23
[INFO] [stderr]     Checking unicode-bidi v0.3.15
[INFO] [stderr]    Compiling serde v1.0.204
[INFO] [stderr]     Checking digest v0.10.7
[INFO] [stderr]     Checking data-encoding v2.6.0
[INFO] [stderr]    Compiling quote v1.0.36
[INFO] [stderr]     Checking unsigned-varint v0.7.2
[INFO] [stderr]     Checking sha2 v0.10.8
[INFO] [stderr]     Checking hmac v0.12.1
[INFO] [stderr]     Checking idna v0.5.0
[INFO] [stderr]    Compiling syn v2.0.72
[INFO] [stderr]     Checking core2 v0.4.0
[INFO] [stderr]     Checking hkdf v0.12.4
[INFO] [stderr]     Checking arrayref v0.3.8
[INFO] [stderr]    Compiling ahash v0.8.11
[INFO] [stderr]     Checking url v2.5.2
[INFO] [stderr]     Checking multihash v0.19.1
[INFO] [stderr]     Checking spin v0.9.8
[INFO] [stderr]    Compiling anyhow v1.0.86
[INFO] [stderr]    Compiling num-traits v0.2.19
[INFO] [stderr]     Checking allocator-api2 v0.2.18
[INFO] [stderr]    Compiling time-macros v0.2.18
[INFO] [stderr]    Compiling ring v0.17.8
[INFO] [stderr]     Checking getrandom v0.2.15
[INFO] [stderr]     Checking parking_lot_core v0.9.10
[INFO] [stderr]     Checking num_cpus v1.16.0
[INFO] [stderr]     Checking rand_core v0.6.4
[INFO] [stderr]     Checking signal-hook-registry v1.4.2
[INFO] [stderr]     Checking parking_lot v0.12.3
[INFO] [stderr]     Checking mio v1.0.1
[INFO] [stderr]     Checking rand_chacha v0.3.1
[INFO] [stderr]     Checking socket2 v0.5.7
[INFO] [stderr]     Checking rand v0.8.5
[INFO] [stderr]     Checking hashbrown v0.14.5
[INFO] [stderr]    Compiling data-encoding-macro-internal v0.1.13
[INFO] [stderr]     Checking nom v7.1.3
[INFO] [stderr]     Checking time v0.3.36
[INFO] [stderr]     Checking rustls-pki-types v1.8.0
[INFO] [stderr]     Checking data-encoding-macro v0.1.15
[INFO] [stderr]     Checking multibase v0.9.1
[INFO] [stderr]     Checking lru v0.12.3
[INFO] [stderr]    Compiling rustls v0.23.12
[INFO] [stderr]    Compiling rustversion v1.0.17
[INFO] [stderr]     Checking num-integer v0.1.46
[INFO] [stderr]     Checking nix v0.24.3
[INFO] [stderr]    Compiling ring v0.16.20
[INFO] [stderr]     Checking ipnet v2.9.0
[INFO] [stderr]    Compiling oid-registry v0.7.0
[INFO] [stderr]     Checking num-bigint v0.4.6
[INFO] [stderr]     Checking rusticata-macros v4.1.0
[INFO] [stderr]    Compiling crunchy v0.2.2
[INFO] [stderr]    Compiling signal-hook v0.3.17
[INFO] [stderr]     Checking pem v3.0.4
[INFO] [stderr]    Compiling snow v0.9.6
[INFO] [stderr]     Checking rustc-hash v2.0.0
[INFO] [stderr]    Compiling rustix v0.38.34
[INFO] [stderr]     Checking regex-syntax v0.8.4
[INFO] [stderr]     Checking idna v0.4.0
[INFO] [stderr]     Checking yasna v0.5.2
[INFO] [stderr]     Checking hex v0.4.3
[INFO] [stderr]     Checking dtoa v1.0.9
[INFO] [stderr]     Checking bitflags v2.6.0
[INFO] [stderr]     Checking linux-raw-sys v0.4.14
[INFO] [stderr]     Checking uint v0.9.5
[INFO] [stderr]     Checking signal-hook-mio v0.2.4
[INFO] [stderr]     Checking castaway v0.2.3
[INFO] [stderr]     Checking itertools v0.13.0
[INFO] [stderr]     Checking unicode-width v0.1.13
[INFO] [stderr]     Checking unicode-segmentation v1.11.0
[INFO] [stderr]    Compiling serde_json v1.0.127
[INFO] [stderr]     Checking compact_str v0.8.0
[INFO] [stderr]     Checking crossterm v0.28.1
[INFO] [stderr]     Checking rustls-webpki v0.102.6
[INFO] [stderr]     Checking rustls-webpki v0.101.7
[INFO] [stderr]    Compiling synstructure v0.13.1
[INFO] [stderr]     Checking rcgen v0.11.3
[INFO] [stderr]     Checking regex-automata v0.4.7
[INFO] [stderr]    Compiling thiserror-impl v1.0.63
[INFO] [stderr]    Compiling futures-macro v0.3.30
[INFO] [stderr]    Compiling zeroize_derive v1.4.2
[INFO] [stderr]    Compiling tracing-attributes v0.1.27
[INFO] [stderr]    Compiling curve25519-dalek-derive v0.1.1
[INFO] [stderr]    Compiling pin-project-internal v1.1.5
[INFO] [stderr]    Compiling serde_derive v1.0.204
[INFO] [stderr]    Compiling tokio-macros v2.4.0
[INFO] [stderr]     Checking zeroize v1.8.1
[INFO] [stderr]     Checking futures-util v0.3.30
[INFO] [stderr]     Checking tokio v1.39.2
[INFO] [stderr]     Checking netlink-packet-utils v0.5.2
[INFO] [stderr]     Checking pin-project v1.1.5
[INFO] [stderr]     Checking netlink-packet-core v0.4.2
[INFO] [stderr]    Compiling libp2p-swarm-derive v0.35.0
[INFO] [stderr]     Checking tracing v0.1.40
[INFO] [stderr]    Compiling asn1-rs-impl v0.2.0
[INFO] [stderr]    Compiling asn1-rs-derive v0.5.1
[INFO] [stderr]    Compiling displaydoc v0.2.5
[INFO] [stderr]     Checking netlink-packet-route v0.12.0
[INFO] [stderr]     Checking ed25519-dalek v2.1.1
[INFO] [stderr]     Checking libp2p-identity v0.2.9
[INFO] [stderr]    Compiling async-trait v0.1.81
[INFO] [stderr]     Checking asn1-rs v0.6.2
[INFO] [stderr]     Checking quinn-udp v0.5.4
[INFO] [stderr]    Compiling prometheus-client-derive-encode v0.4.2
[INFO] [stderr]    Compiling enum-as-inner v0.6.0
[INFO] [stderr]     Checking prometheus-client v0.22.3
[INFO] [stderr]     Checking x25519-dalek v2.0.1
[INFO] [stderr]     Checking regex v1.10.6
[INFO] [stderr]     Checking futures-executor v0.3.30
[INFO] [stderr]     Checking futures v0.3.30
[INFO] [stderr]     Checking asynchronous-codec v0.7.0
[INFO] [stderr]     Checking futures-bounded v0.2.4
[INFO] [stderr]     Checking multistream-select v0.13.0
[INFO] [stderr]     Checking rw-stream-sink v0.4.0
[INFO] [stderr]     Checking quick-protobuf-codec v0.3.1
[INFO] [stderr]     Checking der-parser v9.0.0
[INFO] [stderr]     Checking yamux v0.12.1
[INFO] [stderr]     Checking futures-ticker v0.0.3
[INFO] [stderr]     Checking yamux v0.13.3
[INFO] [stderr]     Checking hickory-proto v0.24.1
[INFO] [stderr]    Compiling strum_macros v0.26.4
[INFO] [stderr]     Checking unicode-truncate v1.1.0
[INFO] [stderr]     Checking x509-parser v0.16.0
[INFO] [stderr]    Compiling instability v0.3.2
[INFO] [stderr]     Checking futures-rustls v0.26.0
[INFO] [stderr]     Checking quinn-proto v0.11.6
[INFO] [stderr]     Checking strum v0.26.3
[INFO] [stderr]     Checking ratatui v0.28.0
[INFO] [stderr]     Checking netlink-sys v0.8.6
[INFO] [stderr]     Checking netlink-proto v0.10.0
[INFO] [stderr]     Checking rtnetlink v0.10.1
[INFO] [stderr]     Checking if-watch v3.2.0
[INFO] [stderr]     Checking quinn v0.11.3
[INFO] [stderr]     Checking multiaddr v0.18.1
[INFO] [stderr]     Checking cbor4ii v0.3.2
[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-tcp v0.42.0
[INFO] [stderr]     Checking libp2p-yamux v0.46.0
[INFO] [stderr]     Checking libp2p-noise v0.45.0
[INFO] [stderr]     Checking libp2p-quic v0.11.1
[INFO] [stderr]     Checking libp2p-connection-limits v0.4.0
[INFO] [stderr]     Checking libp2p-kad v0.46.2
[INFO] [stderr]     Checking libp2p-allow-block-list v0.4.0
[INFO] [stderr]     Checking libp2p-request-response v0.27.0
[INFO] [stderr]     Checking libp2p-gossipsub v0.47.0
[INFO] [stderr]     Checking libp2p-mdns v0.46.0
[INFO] [stderr]     Checking libp2p v0.54.1
[INFO] [stderr]     Checking swapbytes v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: use of deprecated function `base64::decode`: Use Engine::decode
[INFO] [stdout]    --> src/main.rs:217:41
[INFO] [stdout]     |
[INFO] [stdout] 217 | ...                   base64::decode(file_data).expect("\nFailed to decode file data");
[INFO] [stdout]     |                               ^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated function `base64::encode`: Use Engine::encode
[INFO] [stdout]    --> src/swarm.rs:423:30
[INFO] [stdout]     |
[INFO] [stdout] 423 |             message: base64::encode(file_data), // Base64-encode the file data
[INFO] [stdout]     |                              ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated function `base64::decode`: Use Engine::decode
[INFO] [stdout]    --> src/main.rs:217:41
[INFO] [stdout]     |
[INFO] [stdout] 217 | ...                   base64::decode(file_data).expect("\nFailed to decode file data");
[INFO] [stdout]     |                               ^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated function `base64::encode`: Use Engine::encode
[INFO] [stdout]    --> src/swarm.rs:423:30
[INFO] [stdout]     |
[INFO] [stdout] 423 |             message: base64::encode(file_data), // Base64-encode the file data
[INFO] [stdout]     |                              ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `err`
[INFO] [stdout]   --> src/swarm.rs:52:16
[INFO] [stdout]    |
[INFO] [stdout] 52 |     if let Err(err) = app.swarm.behaviour_mut().gossipsub.publish(
[INFO] [stdout]    |                ^^^ help: if this is intentional, prefix it with an underscore: `_err`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `err`
[INFO] [stdout]   --> src/swarm.rs:82:16
[INFO] [stdout]    |
[INFO] [stdout] 82 |     if let Err(err) = app.swarm.behaviour_mut().gossipsub.publish(
[INFO] [stdout]    |                ^^^ help: if this is intentional, prefix it with an underscore: `_err`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `err`
[INFO] [stdout]   --> src/swarm.rs:52:16
[INFO] [stdout]    |
[INFO] [stdout] 52 |     if let Err(err) = app.swarm.behaviour_mut().gossipsub.publish(
[INFO] [stdout]    |                ^^^ help: if this is intentional, prefix it with an underscore: `_err`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `err`
[INFO] [stdout]   --> src/swarm.rs:82:16
[INFO] [stdout]    |
[INFO] [stdout] 82 |     if let Err(err) = app.swarm.behaviour_mut().gossipsub.publish(
[INFO] [stdout]    |                ^^^ help: if this is intentional, prefix it with an underscore: `_err`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `request_id`
[INFO] [stdout]    --> src/swarm.rs:329:17
[INFO] [stdout]     |
[INFO] [stdout] 329 |                 request_id,
[INFO] [stdout]     |                 ^^^^^^^^^^ help: try ignoring the field: `request_id: _`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `response`
[INFO] [stdout]    --> src/swarm.rs:330:17
[INFO] [stdout]     |
[INFO] [stdout] 330 |                 response,
[INFO] [stdout]     |                 ^^^^^^^^ help: try ignoring the field: `response: _`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `request_id`
[INFO] [stdout]    --> src/swarm.rs:329:17
[INFO] [stdout]     |
[INFO] [stdout] 329 |                 request_id,
[INFO] [stdout]     |                 ^^^^^^^^^^ help: try ignoring the field: `request_id: _`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `response`
[INFO] [stdout]    --> src/swarm.rs:330:17
[INFO] [stdout]     |
[INFO] [stdout] 330 |                 response,
[INFO] [stdout]     |                 ^^^^^^^^ help: try ignoring the field: `response: _`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `peer_number`
[INFO] [stdout]    --> src/main.rs:245:29
[INFO] [stdout]     |
[INFO] [stdout] 245 |                 if let Some(peer_number) = peer_number {
[INFO] [stdout]     |                             ^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_peer_number`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `peer_number`
[INFO] [stdout]    --> src/main.rs:245:29
[INFO] [stdout]     |
[INFO] [stdout] 245 |                 if let Some(peer_number) = peer_number {
[INFO] [stdout]     |                             ^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_peer_number`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> src/swarm.rs:116:5
[INFO] [stdout]     |
[INFO] [stdout] 116 | /     swarm
[INFO] [stdout] 117 | |         .behaviour_mut()
[INFO] [stdout] 118 | |         .gossipsub
[INFO] [stdout] 119 | |         .subscribe(&gossipsub::IdentTopic::new("General Chat"));
[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] 116 |     let _ = swarm
[INFO] [stdout]     |     +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> src/swarm.rs:116:5
[INFO] [stdout]     |
[INFO] [stdout] 116 | /     swarm
[INFO] [stdout] 117 | |         .behaviour_mut()
[INFO] [stdout] 118 | |         .gossipsub
[INFO] [stdout] 119 | |         .subscribe(&gossipsub::IdentTopic::new("General Chat"));
[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] 116 |     let _ = swarm
[INFO] [stdout]     |     +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 1m 40s
[INFO] running `Command { std: "docker" "inspect" "fcf7973012dbe148ab67f2a862a98ebf0721499ebe9341984d6c874c729f262b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fcf7973012dbe148ab67f2a862a98ebf0721499ebe9341984d6c874c729f262b", kill_on_drop: false }`
[INFO] [stdout] fcf7973012dbe148ab67f2a862a98ebf0721499ebe9341984d6c874c729f262b
