[INFO] fetching crate libp2p-relay-manager 0.3.1...
[INFO] checking libp2p-relay-manager-0.3.1 against try#4f260f0f20b3133d20cfb50353c0221943af5796+rustflags=-Dunmustuse_in_always_ok for pr-148577
[INFO] extracting crate libp2p-relay-manager 0.3.1 into /workspace/builds/worker-2-tc2/source
[INFO] started tweaking crates.io crate libp2p-relay-manager 0.3.1
[INFO] removed 0 missing examples
[INFO] finished tweaking crates.io crate libp2p-relay-manager 0.3.1
[INFO] tweaked toml for crates.io crate libp2p-relay-manager 0.3.1 written to /workspace/builds/worker-2-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate libp2p-relay-manager 0.3.1 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 crates.io crate libp2p-relay-manager 0.3.1 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-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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] 3d2505888ed282ba05692b539d1b861a533a41f878347ac70b2f761fb7ce9509
[INFO] running `Command { std: "docker" "start" "-a" "3d2505888ed282ba05692b539d1b861a533a41f878347ac70b2f761fb7ce9509", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "3d2505888ed282ba05692b539d1b861a533a41f878347ac70b2f761fb7ce9509", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3d2505888ed282ba05692b539d1b861a533a41f878347ac70b2f761fb7ce9509", kill_on_drop: false }`
[INFO] [stdout] 3d2505888ed282ba05692b539d1b861a533a41f878347ac70b2f761fb7ce9509
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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] d16cda6f94c85175f54e291f9b806e5a0ea5651c10547e928ae4cfc43bc839cb
[INFO] running `Command { std: "docker" "start" "-a" "d16cda6f94c85175f54e291f9b806e5a0ea5651c10547e928ae4cfc43bc839cb", kill_on_drop: false }`
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[INFO] [stdout] error: this type will no longer be must used: ControlFlow<Result<Infallible, Infallible>, SwarmBuilder<libp2p::builder::phase::provider::Tokio, libp2p::builder::phase::swarm::SwarmPhase<impl libp2p::builder::phase::AuthenticatedMultiplexedTransport, Behaviour>>>
[INFO] [stdout]   --> examples/relay_client.rs:63:21
[INFO] [stdout]    |
[INFO] [stdout] 63 |       let mut swarm = SwarmBuilder::with_existing_identity(local_keypair)
[INFO] [stdout]    |  _____________________^
[INFO] [stdout] 64 | |         .with_tokio()
[INFO] [stdout] 65 | |         .with_tcp(
[INFO] [stdout] 66 | |             libp2p::tcp::Config::default(),
[INFO] [stdout] ...  |
[INFO] [stdout] 81 | |             relay_manager: libp2p_relay_manager::Behaviour::default(),
[INFO] [stdout] 82 | |         })?
[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<SwarmBuilder<libp2p::builder::phase::provider::Tokio, libp2p::builder::phase::swarm::SwarmPhase<impl libp2p::builder::phase::AuthenticatedMultiplexedTransport, Behaviour>>, Infallible>
[INFO] [stdout]   --> examples/relay_client.rs:63:21
[INFO] [stdout]    |
[INFO] [stdout] 63 |       let mut swarm = SwarmBuilder::with_existing_identity(local_keypair)
[INFO] [stdout]    |  _____________________^
[INFO] [stdout] 64 | |         .with_tokio()
[INFO] [stdout] 65 | |         .with_tcp(
[INFO] [stdout] 66 | |             libp2p::tcp::Config::default(),
[INFO] [stdout] ...  |
[INFO] [stdout] 81 | |             relay_manager: libp2p_relay_manager::Behaviour::default(),
[INFO] [stdout] 82 | |         })?
[INFO] [stdout]    | |__________^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `libp2p-relay-manager` (example "relay_client") due to 2 previous errors
[INFO] running `Command { std: "docker" "inspect" "d16cda6f94c85175f54e291f9b806e5a0ea5651c10547e928ae4cfc43bc839cb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d16cda6f94c85175f54e291f9b806e5a0ea5651c10547e928ae4cfc43bc839cb", kill_on_drop: false }`
[INFO] [stdout] d16cda6f94c85175f54e291f9b806e5a0ea5651c10547e928ae4cfc43bc839cb
