[INFO] fetching crate cargo-buttplug 0.1.0...
[INFO] building cargo-buttplug-0.1.0 against master#c7f6aa2869acdbf014d094c6e427e554e160b6db for pr-146237-2
[INFO] extracting crate cargo-buttplug 0.1.0 into /workspace/builds/worker-1-tc1/source
[INFO] started tweaking crates.io crate cargo-buttplug 0.1.0
[INFO] finished tweaking crates.io crate cargo-buttplug 0.1.0
[INFO] tweaked toml for crates.io crate cargo-buttplug 0.1.0 written to /workspace/builds/worker-1-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate cargo-buttplug 0.1.0 on toolchain c7f6aa2869acdbf014d094c6e427e554e160b6db
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c7f6aa2869acdbf014d094c6e427e554e160b6db" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate cargo-buttplug 0.1.0 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" "+c7f6aa2869acdbf014d094c6e427e554e160b6db" "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
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[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+c7f6aa2869acdbf014d094c6e427e554e160b6db" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 6e68f97288ce86e3292ce37022045bb6d3c7dab6237507101974ea3c9a9e8511
[INFO] running `Command { std: "docker" "start" "-a" "6e68f97288ce86e3292ce37022045bb6d3c7dab6237507101974ea3c9a9e8511", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "6e68f97288ce86e3292ce37022045bb6d3c7dab6237507101974ea3c9a9e8511", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6e68f97288ce86e3292ce37022045bb6d3c7dab6237507101974ea3c9a9e8511", kill_on_drop: false }`
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[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+c7f6aa2869acdbf014d094c6e427e554e160b6db" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
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[INFO] running `Command { std: "docker" "start" "-a" "e5cac1e47553d4d41901d472e0cd3587cead93230a4978b8b4a1947d0d236a45", kill_on_drop: false }`
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[INFO] [stderr]    Compiling tokio-tungstenite v0.21.0
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[INFO] [stderr]    Compiling serde-aux v4.5.0
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[INFO] [stderr]    Compiling bluez-generated v0.3.0
[INFO] [stderr]    Compiling dbus-tokio v0.7.6
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[INFO] [stderr]    Compiling hyper v0.14.28
[INFO] [stderr]    Compiling btleplug v0.11.5
[INFO] [stderr]    Compiling hyper-rustls v0.24.2
[INFO] [stderr]    Compiling reqwest v0.11.27
[INFO] [stderr]    Compiling buttplug v7.1.16
[INFO] [stderr]    Compiling cargo-buttplug v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `util::in_process_client`
[INFO] [stdout]  --> src/vibrator.rs:4:91
[INFO] [stdout]   |
[INFO] [stdout] 4 | use buttplug::{client::{device::ScalarValueCommand, ButtplugClientEvent, ButtplugClient}, util::in_process_client, core::connector::new_j...
[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: `BufReader`
[INFO] [stdout]  --> src/vibrator.rs:6:34
[INFO] [stdout]   |
[INFO] [stdout] 6 | use tokio::io::{AsyncBufReadExt, BufReader};
[INFO] [stdout]   |                                  ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `AsyncBufReadExt`
[INFO] [stdout]  --> src/vibrator.rs:6:17
[INFO] [stdout]   |
[INFO] [stdout] 6 | use tokio::io::{AsyncBufReadExt, BufReader};
[INFO] [stdout]   |                 ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `wait_for_input` is never used
[INFO] [stdout]  --> src/vibrator.rs:8:10
[INFO] [stdout]   |
[INFO] [stdout] 8 | async fn wait_for_input() {
[INFO] [stdout]   |          ^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> src/vibrator.rs:11:5
[INFO] [stdout]    |
[INFO] [stdout] 11 |     stdin.read_line(&mut line).await;
[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] 11 |     let _ = stdin.read_line(&mut line).await;
[INFO] [stdout]    |     +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 2m 03s
[INFO] running `Command { std: "docker" "inspect" "e5cac1e47553d4d41901d472e0cd3587cead93230a4978b8b4a1947d0d236a45", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e5cac1e47553d4d41901d472e0cd3587cead93230a4978b8b4a1947d0d236a45", kill_on_drop: false }`
[INFO] [stdout] e5cac1e47553d4d41901d472e0cd3587cead93230a4978b8b4a1947d0d236a45
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+c7f6aa2869acdbf014d094c6e427e554e160b6db" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 004724d77913c5d08312a6c5d0a0e6f8472e99294742f635009e286f3786618f
[INFO] running `Command { std: "docker" "start" "-a" "004724d77913c5d08312a6c5d0a0e6f8472e99294742f635009e286f3786618f", kill_on_drop: false }`
[INFO] [stderr]    Compiling cargo-buttplug v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `util::in_process_client`
[INFO] [stdout]  --> src/vibrator.rs:4:91
[INFO] [stdout]   |
[INFO] [stdout] 4 | use buttplug::{client::{device::ScalarValueCommand, ButtplugClientEvent, ButtplugClient}, util::in_process_client, core::connector::new_j...
[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: `BufReader`
[INFO] [stdout]  --> src/vibrator.rs:6:34
[INFO] [stdout]   |
[INFO] [stdout] 6 | use tokio::io::{AsyncBufReadExt, BufReader};
[INFO] [stdout]   |                                  ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `AsyncBufReadExt`
[INFO] [stdout]  --> src/vibrator.rs:6:17
[INFO] [stdout]   |
[INFO] [stdout] 6 | use tokio::io::{AsyncBufReadExt, BufReader};
[INFO] [stdout]   |                 ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `wait_for_input` is never used
[INFO] [stdout]  --> src/vibrator.rs:8:10
[INFO] [stdout]   |
[INFO] [stdout] 8 | async fn wait_for_input() {
[INFO] [stdout]   |          ^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> src/vibrator.rs:11:5
[INFO] [stdout]    |
[INFO] [stdout] 11 |     stdin.read_line(&mut line).await;
[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] 11 |     let _ = stdin.read_line(&mut line).await;
[INFO] [stdout]    |     +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 4.39s
[INFO] running `Command { std: "docker" "inspect" "004724d77913c5d08312a6c5d0a0e6f8472e99294742f635009e286f3786618f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "004724d77913c5d08312a6c5d0a0e6f8472e99294742f635009e286f3786618f", kill_on_drop: false }`
[INFO] [stdout] 004724d77913c5d08312a6c5d0a0e6f8472e99294742f635009e286f3786618f