[INFO] fetching crate cargo-buttplug 0.1.0...
[INFO] checking cargo-buttplug-0.1.0 against try#c659ee110de67e82444e4b6c8407c1a9af9c2cf6 for pr-145608-1
[INFO] extracting crate cargo-buttplug 0.1.0 into /workspace/builds/worker-3-tc2/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-3-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate cargo-buttplug 0.1.0 on toolchain c659ee110de67e82444e4b6c8407c1a9af9c2cf6
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c659ee110de67e82444e4b6c8407c1a9af9c2cf6" "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" "+c659ee110de67e82444e4b6c8407c1a9af9c2cf6" "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] 0145e73b1af68b3097ce9efd937b501efa3961b08f082d51d62df51811523436
[INFO] running `Command { std: "docker" "start" "-a" "0145e73b1af68b3097ce9efd937b501efa3961b08f082d51d62df51811523436", kill_on_drop: false }`
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[INFO] [stdout] 0145e73b1af68b3097ce9efd937b501efa3961b08f082d51d62df51811523436
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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" "-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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+c659ee110de67e82444e4b6c8407c1a9af9c2cf6" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] d0daec7c11591a688c0edbae4eea067ad239ff286a8276b724a83f368caa2f0b
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[INFO] [stderr]     Checking 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)]` 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: `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)]` 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)]` 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)]` 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] [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)]` 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)]` 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 37.02s
[INFO] running `Command { std: "docker" "inspect" "d0daec7c11591a688c0edbae4eea067ad239ff286a8276b724a83f368caa2f0b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d0daec7c11591a688c0edbae4eea067ad239ff286a8276b724a83f368caa2f0b", kill_on_drop: false }`
[INFO] [stdout] d0daec7c11591a688c0edbae4eea067ad239ff286a8276b724a83f368caa2f0b