[INFO] cloning repository https://github.com/varun-doshi/libp2pNode-Communication
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/varun-doshi/libp2pNode-Communication" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fvarun-doshi%2Flibp2pNode-Communication", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fvarun-doshi%2Flibp2pNode-Communication'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] d38421a8c3b705b0b6f73373a84358829963d466
[INFO] checking varun-doshi/libp2pNode-Communication 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%2Fvarun-doshi%2Flibp2pNode-Communication" "/workspace/builds/worker-0-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-0-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/varun-doshi/libp2pNode-Communication
[INFO] finished tweaking git repo https://github.com/varun-doshi/libp2pNode-Communication
[INFO] tweaked toml for git repo https://github.com/varun-doshi/libp2pNode-Communication written to /workspace/builds/worker-0-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/varun-doshi/libp2pNode-Communication 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/varun-doshi/libp2pNode-Communication 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] 787f236321afceda0371cf37b911ade149e84d7e94d1075025b515c8b16f73bc
[INFO] running `Command { std: "docker" "start" "-a" "787f236321afceda0371cf37b911ade149e84d7e94d1075025b515c8b16f73bc", kill_on_drop: false }`
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[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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 }`
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[INFO] [stdout] warning: unused import: `behaviour`
[INFO] [stdout]  --> src/main.rs:4:152
[INFO] [stdout]   |
[INFO] [stdout] 4 | ...ent as MdnsEvent},noise::Config as NoiseConfig, swarm::{self, behaviour, NetworkBehaviour}, tcp::Config as TcpConfig, yamux::Config as...
[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 import: `behaviour`
[INFO] [stdout]  --> src/main.rs:4:152
[INFO] [stdout]   |
[INFO] [stdout] 4 | ...ent as MdnsEvent},noise::Config as NoiseConfig, swarm::{self, behaviour, NetworkBehaviour}, tcp::Config as TcpConfig, yamux::Config as...
[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 variable: `listener_id`
[INFO] [stdout]    --> src/main.rs:116:56
[INFO] [stdout]     |
[INFO] [stdout] 116 |                     swarm::SwarmEvent::NewListenAddr { listener_id, address }=>{
[INFO] [stdout]     |                                                        ^^^^^^^^^^^ help: try ignoring the field: `listener_id: _`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `listener_id`
[INFO] [stdout]    --> src/main.rs:119:57
[INFO] [stdout]     |
[INFO] [stdout] 119 |                     swarm::SwarmEvent::ListenerClosed { listener_id, addresses, reason }=>{
[INFO] [stdout]     |                                                         ^^^^^^^^^^^ help: try ignoring the field: `listener_id: _`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `reason`
[INFO] [stdout]    --> src/main.rs:119:81
[INFO] [stdout]     |
[INFO] [stdout] 119 |                     swarm::SwarmEvent::ListenerClosed { listener_id, addresses, reason }=>{
[INFO] [stdout]     |                                                                                 ^^^^^^ help: try ignoring the field: `reason: _`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: ControlFlow<Result<Infallible, Infallible>, libp2p::SwarmBuilder<libp2p::builder::phase::provider::Tokio, libp2p::builder::phase::swarm::SwarmPhase<impl libp2p::builder::phase::AuthenticatedMultiplexedTransport, MyBehaviour>>>
[INFO] [stdout]   --> src/main.rs:61:21
[INFO] [stdout]    |
[INFO] [stdout] 61 |       let mut swarm = SwarmBuilder::with_new_identity()
[INFO] [stdout]    |  _____________________^
[INFO] [stdout] 62 | |         .with_tokio()
[INFO] [stdout] 63 | |         .with_tcp(
[INFO] [stdout] 64 | |             TcpConfig::default(), 
[INFO] [stdout] ...  |
[INFO] [stdout] 75 | |             behaviour
[INFO] [stdout] 76 | |         })?
[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<libp2p::SwarmBuilder<libp2p::builder::phase::provider::Tokio, libp2p::builder::phase::swarm::SwarmPhase<impl libp2p::builder::phase::AuthenticatedMultiplexedTransport, MyBehaviour>>, Infallible>
[INFO] [stdout]   --> src/main.rs:61:21
[INFO] [stdout]    |
[INFO] [stdout] 61 |       let mut swarm = SwarmBuilder::with_new_identity()
[INFO] [stdout]    |  _____________________^
[INFO] [stdout] 62 | |         .with_tokio()
[INFO] [stdout] 63 | |         .with_tcp(
[INFO] [stdout] 64 | |             TcpConfig::default(), 
[INFO] [stdout] ...  |
[INFO] [stdout] 75 | |             behaviour
[INFO] [stdout] 76 | |         })?
[INFO] [stdout]    | |__________^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `listener_id`
[INFO] [stdout]    --> src/main.rs:116:56
[INFO] [stdout]     |
[INFO] [stdout] 116 |                     swarm::SwarmEvent::NewListenAddr { listener_id, address }=>{
[INFO] [stdout]     |                                                        ^^^^^^^^^^^ help: try ignoring the field: `listener_id: _`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `listener_id`
[INFO] [stdout]    --> src/main.rs:119:57
[INFO] [stdout]     |
[INFO] [stdout] 119 |                     swarm::SwarmEvent::ListenerClosed { listener_id, addresses, reason }=>{
[INFO] [stdout]     |                                                         ^^^^^^^^^^^ help: try ignoring the field: `listener_id: _`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `reason`
[INFO] [stdout]    --> src/main.rs:119:81
[INFO] [stdout]     |
[INFO] [stdout] 119 |                     swarm::SwarmEvent::ListenerClosed { listener_id, addresses, reason }=>{
[INFO] [stdout]     |                                                                                 ^^^^^^ help: try ignoring the field: `reason: _`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `libp2p-test` (bin "libp2p-test") due to 2 previous errors; 4 warnings emitted
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] error: this type will no longer be must used: ControlFlow<Result<Infallible, Infallible>, libp2p::SwarmBuilder<libp2p::builder::phase::provider::Tokio, libp2p::builder::phase::swarm::SwarmPhase<impl libp2p::builder::phase::AuthenticatedMultiplexedTransport, MyBehaviour>>>
[INFO] [stdout]   --> src/main.rs:61:21
[INFO] [stdout]    |
[INFO] [stdout] 61 |       let mut swarm = SwarmBuilder::with_new_identity()
[INFO] [stdout]    |  _____________________^
[INFO] [stdout] 62 | |         .with_tokio()
[INFO] [stdout] 63 | |         .with_tcp(
[INFO] [stdout] 64 | |             TcpConfig::default(), 
[INFO] [stdout] ...  |
[INFO] [stdout] 75 | |             behaviour
[INFO] [stdout] 76 | |         })?
[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<libp2p::SwarmBuilder<libp2p::builder::phase::provider::Tokio, libp2p::builder::phase::swarm::SwarmPhase<impl libp2p::builder::phase::AuthenticatedMultiplexedTransport, MyBehaviour>>, Infallible>
[INFO] [stdout]   --> src/main.rs:61:21
[INFO] [stdout]    |
[INFO] [stdout] 61 |       let mut swarm = SwarmBuilder::with_new_identity()
[INFO] [stdout]    |  _____________________^
[INFO] [stdout] 62 | |         .with_tokio()
[INFO] [stdout] 63 | |         .with_tcp(
[INFO] [stdout] 64 | |             TcpConfig::default(), 
[INFO] [stdout] ...  |
[INFO] [stdout] 75 | |             behaviour
[INFO] [stdout] 76 | |         })?
[INFO] [stdout]    | |__________^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `libp2p-test` (bin "libp2p-test" test) due to 2 previous errors; 4 warnings emitted
[INFO] running `Command { std: "docker" "inspect" "9d95565b7a284d41ff28acb835d6790229b78070ac9e89b5c63aacd2226d328b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9d95565b7a284d41ff28acb835d6790229b78070ac9e89b5c63aacd2226d328b", kill_on_drop: false }`
[INFO] [stdout] 9d95565b7a284d41ff28acb835d6790229b78070ac9e89b5c63aacd2226d328b
