[INFO] fetching crate intiface-cli 35.0.0...
[INFO] checking intiface-cli-35.0.0 against try#3bb2879ea9e58d65b875f9a98df44f4a43ce2597 for pr-85387
[INFO] extracting crate intiface-cli 35.0.0 into /workspace/builds/worker-7/source
[INFO] validating manifest of crates.io crate intiface-cli 35.0.0 on toolchain 3bb2879ea9e58d65b875f9a98df44f4a43ce2597
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+3bb2879ea9e58d65b875f9a98df44f4a43ce2597" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] removed /workspace/builds/worker-7/source/.cargo/config
[INFO] started tweaking crates.io crate intiface-cli 35.0.0
[INFO] finished tweaking crates.io crate intiface-cli 35.0.0
[INFO] tweaked toml for crates.io crate intiface-cli 35.0.0 written to /workspace/builds/worker-7/source/Cargo.toml
[INFO] crate crates.io crate intiface-cli 35.0.0 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+3bb2879ea9e58d65b875f9a98df44f4a43ce2597" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
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[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+3bb2879ea9e58d65b875f9a98df44f4a43ce2597" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 2f9aa8c5c3eec78be3a0c06b3326da8404874fab48e78d8453203efb41a3fa1d
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "2f9aa8c5c3eec78be3a0c06b3326da8404874fab48e78d8453203efb41a3fa1d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "2f9aa8c5c3eec78be3a0c06b3326da8404874fab48e78d8453203efb41a3fa1d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2f9aa8c5c3eec78be3a0c06b3326da8404874fab48e78d8453203efb41a3fa1d", kill_on_drop: false }`
[INFO] [stdout] 2f9aa8c5c3eec78be3a0c06b3326da8404874fab48e78d8453203efb41a3fa1d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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" "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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+3bb2879ea9e58d65b875f9a98df44f4a43ce2597" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 1c43b96e886d3081d8c09c3198048cd3ca29f7ffd7c6c524547e5fdc2d3725fd
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "1c43b96e886d3081d8c09c3198048cd3ca29f7ffd7c6c524547e5fdc2d3725fd", kill_on_drop: false }`
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[INFO] [stderr]    Compiling prost v0.7.0
[INFO] [stderr]     Checking async-global-executor v2.0.2
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[INFO] [stderr]    Compiling prost-types v0.7.0
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[INFO] [stderr]    Compiling prost-build v0.7.0
[INFO] [stderr]     Checking async-tls v0.11.0
[INFO] [stderr]     Checking futures-executor v0.3.13
[INFO] [stderr]     Checking futures v0.3.13
[INFO] [stderr]     Checking serde v1.0.125
[INFO] [stderr]    Compiling buttplug v2.1.9
[INFO] [stderr]    Compiling intiface-cli v35.0.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Checking async-tungstenite v0.13.1
[INFO] [stderr]     Checking serde_json v1.0.64
[INFO] [stderr]     Checking uuid v0.8.2
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[INFO] [stderr]     Checking jsonway v2.0.0
[INFO] [stderr]     Checking tracing-subscriber v0.2.17
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/main.rs:174:32
[INFO] [stdout]     |
[INFO] [stdout] 174 | async fn server_event_receiver(mut receiver: impl Stream<Item=ButtplugRemoteServerEvent>, frontend_sender: FrontendPBufChannel) {
[INFO] [stdout]     |                                ----^^^^^^^^
[INFO] [stdout]     |                                |
[INFO] [stdout]     |                                help: remove this `mut`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_mut)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/main.rs:174:32
[INFO] [stdout]     |
[INFO] [stdout] 174 | async fn server_event_receiver(mut receiver: impl Stream<Item=ButtplugRemoteServerEvent>, frontend_sender: FrontendPBufChannel) {
[INFO] [stdout]     |                                ----^^^^^^^^
[INFO] [stdout]     |                                |
[INFO] [stdout]     |                                help: remove this `mut`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_mut)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `out_msg`
[INFO] [stdout]   --> src/frontend.rs:75:19
[INFO] [stdout]    |
[INFO] [stdout] 75 |               let out_msg = ServerProcessMessage::decode_length_delimited(&stdin_buf[0..size]);
[INFO] [stdout]    |                   ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_out_msg`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `err`
[INFO] [stdout]   --> src/frontend.rs:83:17
[INFO] [stdout]    |
[INFO] [stdout] 83 |             Err(err) => break,
[INFO] [stdout]    |                 ^^^ help: if this is intentional, prefix it with an underscore: `_err`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `incoming_sender`
[INFO] [stdout]   --> src/frontend.rs:42:8
[INFO] [stdout]    |
[INFO] [stdout] 42 |   let (incoming_sender, incoming_receiver) = bounded::<ServerControlMessage>(256);
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_incoming_sender`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `out_msg`
[INFO] [stdout]   --> src/frontend.rs:75:19
[INFO] [stdout]    |
[INFO] [stdout] 75 |               let out_msg = ServerProcessMessage::decode_length_delimited(&stdin_buf[0..size]);
[INFO] [stdout]    |                   ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_out_msg`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `err`
[INFO] [stdout]   --> src/frontend.rs:83:17
[INFO] [stdout]    |
[INFO] [stdout] 83 |             Err(err) => break,
[INFO] [stdout]    |                 ^^^ help: if this is intentional, prefix it with an underscore: `_err`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `incoming_sender`
[INFO] [stdout]   --> src/frontend.rs:42:8
[INFO] [stdout]    |
[INFO] [stdout] 42 |   let (incoming_sender, incoming_receiver) = bounded::<ServerControlMessage>(256);
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_incoming_sender`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> src/frontend.rs:35:5
[INFO] [stdout]    |
[INFO] [stdout] 35 |     self.sender.send(server_msg).await;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_must_use)]` on by default
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 5 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> src/frontend.rs:35:5
[INFO] [stdout]    |
[INFO] [stdout] 35 |     self.sender.send(server_msg).await;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_must_use)]` on by default
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 5 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 55.68s
[INFO] running `Command { std: "docker" "inspect" "1c43b96e886d3081d8c09c3198048cd3ca29f7ffd7c6c524547e5fdc2d3725fd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1c43b96e886d3081d8c09c3198048cd3ca29f7ffd7c6c524547e5fdc2d3725fd", kill_on_drop: false }`
[INFO] [stdout] 1c43b96e886d3081d8c09c3198048cd3ca29f7ffd7c6c524547e5fdc2d3725fd