[INFO] cloning repository https://github.com/JohnAndrewPurio/libp2p-autonat
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/JohnAndrewPurio/libp2p-autonat" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FJohnAndrewPurio%2Flibp2p-autonat", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FJohnAndrewPurio%2Flibp2p-autonat'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 82f23fddee704238f5ed748aa7b3c57f7edde265
[INFO] checking JohnAndrewPurio/libp2p-autonat 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%2FJohnAndrewPurio%2Flibp2p-autonat" "/workspace/builds/worker-6-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-6-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/JohnAndrewPurio/libp2p-autonat
[INFO] finished tweaking git repo https://github.com/JohnAndrewPurio/libp2p-autonat
[INFO] tweaked toml for git repo https://github.com/JohnAndrewPurio/libp2p-autonat written to /workspace/builds/worker-6-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/JohnAndrewPurio/libp2p-autonat 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/JohnAndrewPurio/libp2p-autonat 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] [stderr]     Blocking waiting for file lock on package cache
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[INFO] [stdout] c4e93d82c63baf1a45339fb161e1414fdf220b6d1c62dad89fdc6deb07d62bbe
[INFO] running `Command { std: "docker" "start" "-a" "c4e93d82c63baf1a45339fb161e1414fdf220b6d1c62dad89fdc6deb07d62bbe", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "c4e93d82c63baf1a45339fb161e1414fdf220b6d1c62dad89fdc6deb07d62bbe", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c4e93d82c63baf1a45339fb161e1414fdf220b6d1c62dad89fdc6deb07d62bbe", kill_on_drop: false }`
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[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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] [stderr]     Checking libp2p-connection-limits v0.3.1
[INFO] [stderr]     Checking libp2p-autonat v0.12.0
[INFO] [stderr]     Checking libp2p v0.53.2
[INFO] [stderr]     Checking libp2p-autonat v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: enum `Event` is never used
[INFO] [stdout]   --> src/bin/server.rs:78:6
[INFO] [stdout]    |
[INFO] [stdout] 78 | enum Event {
[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<Result<Infallible, Infallible>, SwarmBuilder<libp2p::builder::phase::provider::Tokio, libp2p::builder::phase::swarm::SwarmPhase<impl libp2p::builder::phase::AuthenticatedMultiplexedTransport, Behaviour>>>
[INFO] [stdout]   --> src/bin/server.rs:26:21
[INFO] [stdout]    |
[INFO] [stdout] 26 |       let mut swarm = libp2p::SwarmBuilder::with_new_identity()
[INFO] [stdout]    |  _____________________^
[INFO] [stdout] 27 | |         .with_tokio()
[INFO] [stdout] 28 | |         .with_tcp(
[INFO] [stdout] 29 | |             tcp::Config::default(),
[INFO] [stdout] ...  |
[INFO] [stdout] 32 | |         )?
[INFO] [stdout] 33 | |         .with_behaviour(|key| Behaviour::new(key.public()))?
[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]   --> src/bin/server.rs:26:21
[INFO] [stdout]    |
[INFO] [stdout] 26 |       let mut swarm = libp2p::SwarmBuilder::with_new_identity()
[INFO] [stdout]    |  _____________________^
[INFO] [stdout] 27 | |         .with_tokio()
[INFO] [stdout] 28 | |         .with_tcp(
[INFO] [stdout] 29 | |             tcp::Config::default(),
[INFO] [stdout] ...  |
[INFO] [stdout] 32 | |         )?
[INFO] [stdout] 33 | |         .with_behaviour(|key| Behaviour::new(key.public()))?
[INFO] [stdout]    | |___________________________________________________________^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `libp2p-autonat` (bin "server" test) due to 2 previous errors; 1 warning emitted
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] warning: enum `Event` is never used
[INFO] [stdout]   --> src/bin/server.rs:78:6
[INFO] [stdout]    |
[INFO] [stdout] 78 | enum Event {
[INFO] [stdout]    |      ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum `Event` is never used
[INFO] [stdout]   --> src/bin/client.rs:94:6
[INFO] [stdout]    |
[INFO] [stdout] 94 | enum Event {
[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<Result<Infallible, Infallible>, SwarmBuilder<libp2p::builder::phase::provider::Tokio, libp2p::builder::phase::swarm::SwarmPhase<impl libp2p::builder::phase::AuthenticatedMultiplexedTransport, Behaviour>>>
[INFO] [stdout]   --> src/bin/server.rs:26:21
[INFO] [stdout]    |
[INFO] [stdout] 26 |       let mut swarm = libp2p::SwarmBuilder::with_new_identity()
[INFO] [stdout]    |  _____________________^
[INFO] [stdout] 27 | |         .with_tokio()
[INFO] [stdout] 28 | |         .with_tcp(
[INFO] [stdout] 29 | |             tcp::Config::default(),
[INFO] [stdout] ...  |
[INFO] [stdout] 32 | |         )?
[INFO] [stdout] 33 | |         .with_behaviour(|key| Behaviour::new(key.public()))?
[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]   --> src/bin/server.rs:26:21
[INFO] [stdout]    |
[INFO] [stdout] 26 |       let mut swarm = libp2p::SwarmBuilder::with_new_identity()
[INFO] [stdout]    |  _____________________^
[INFO] [stdout] 27 | |         .with_tokio()
[INFO] [stdout] 28 | |         .with_tcp(
[INFO] [stdout] 29 | |             tcp::Config::default(),
[INFO] [stdout] ...  |
[INFO] [stdout] 32 | |         )?
[INFO] [stdout] 33 | |         .with_behaviour(|key| Behaviour::new(key.public()))?
[INFO] [stdout]    | |___________________________________________________________^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum `Event` is never used
[INFO] [stdout]   --> src/bin/client.rs:94:6
[INFO] [stdout]    |
[INFO] [stdout] 94 | enum Event {
[INFO] [stdout]    |      ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `libp2p-autonat` (bin "server") due to 2 previous errors; 1 warning emitted
[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]   --> src/bin/client.rs:33:21
[INFO] [stdout]    |
[INFO] [stdout] 33 |       let mut swarm = libp2p::SwarmBuilder::with_new_identity()
[INFO] [stdout]    |  _____________________^
[INFO] [stdout] 34 | |         .with_tokio()
[INFO] [stdout] 35 | |         .with_tcp(
[INFO] [stdout] 36 | |             tcp::Config::default(),
[INFO] [stdout] ...  |
[INFO] [stdout] 39 | |         )?
[INFO] [stdout] 40 | |         .with_behaviour(|key| Behaviour::new(key.public()))?
[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]   --> src/bin/client.rs:33:21
[INFO] [stdout]    |
[INFO] [stdout] 33 |       let mut swarm = libp2p::SwarmBuilder::with_new_identity()
[INFO] [stdout]    |  _____________________^
[INFO] [stdout] 34 | |         .with_tokio()
[INFO] [stdout] 35 | |         .with_tcp(
[INFO] [stdout] 36 | |             tcp::Config::default(),
[INFO] [stdout] ...  |
[INFO] [stdout] 39 | |         )?
[INFO] [stdout] 40 | |         .with_behaviour(|key| Behaviour::new(key.public()))?
[INFO] [stdout]    | |___________________________________________________________^
[INFO] [stdout] 
[INFO] [stdout] 
[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]   --> src/bin/client.rs:33:21
[INFO] [stdout]    |
[INFO] [stdout] 33 |       let mut swarm = libp2p::SwarmBuilder::with_new_identity()
[INFO] [stdout]    |  _____________________^
[INFO] [stdout] 34 | |         .with_tokio()
[INFO] [stdout] 35 | |         .with_tcp(
[INFO] [stdout] 36 | |             tcp::Config::default(),
[INFO] [stdout] ...  |
[INFO] [stdout] 39 | |         )?
[INFO] [stdout] 40 | |         .with_behaviour(|key| Behaviour::new(key.public()))?
[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]   --> src/bin/client.rs:33:21
[INFO] [stdout]    |
[INFO] [stdout] 33 |       let mut swarm = libp2p::SwarmBuilder::with_new_identity()
[INFO] [stdout]    |  _____________________^
[INFO] [stdout] 34 | |         .with_tokio()
[INFO] [stdout] 35 | |         .with_tcp(
[INFO] [stdout] 36 | |             tcp::Config::default(),
[INFO] [stdout] ...  |
[INFO] [stdout] 39 | |         )?
[INFO] [stdout] 40 | |         .with_behaviour(|key| Behaviour::new(key.public()))?
[INFO] [stdout]    | |___________________________________________________________^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `libp2p-autonat` (bin "client") due to 2 previous errors; 1 warning emitted
[INFO] [stderr] error: could not compile `libp2p-autonat` (bin "client" test) due to 2 previous errors; 1 warning emitted
[INFO] running `Command { std: "docker" "inspect" "a4346de9872d5446ca7f71f737362dd3e3f36b1e7b7af8836a082dad459de739", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a4346de9872d5446ca7f71f737362dd3e3f36b1e7b7af8836a082dad459de739", kill_on_drop: false }`
[INFO] [stdout] a4346de9872d5446ca7f71f737362dd3e3f36b1e7b7af8836a082dad459de739
