[INFO] cloning repository https://github.com/crescentrose/audio_switcher
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/crescentrose/audio_switcher" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcrescentrose%2Faudio_switcher", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcrescentrose%2Faudio_switcher'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] e64e4c3044e9635bc958b917690832e870300903
[INFO] checking crescentrose/audio_switcher against try#b4c55082edd8dec08ce8af276d7054d9c4db20c4 for pr-147984
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcrescentrose%2Faudio_switcher" "/workspace/builds/worker-0-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-0-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/crescentrose/audio_switcher
[INFO] finished tweaking git repo https://github.com/crescentrose/audio_switcher
[INFO] tweaked toml for git repo https://github.com/crescentrose/audio_switcher written to /workspace/builds/worker-0-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/crescentrose/audio_switcher on toolchain b4c55082edd8dec08ce8af276d7054d9c4db20c4
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+b4c55082edd8dec08ce8af276d7054d9c4db20c4" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/crescentrose/audio_switcher 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" "+b4c55082edd8dec08ce8af276d7054d9c4db20c4" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[ERROR] error running command: no output for 300 seconds
[INFO] checking crescentrose/audio_switcher against try#b4c55082edd8dec08ce8af276d7054d9c4db20c4 for pr-147984
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcrescentrose%2Faudio_switcher" "/workspace/builds/worker-0-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-0-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/crescentrose/audio_switcher
[INFO] finished tweaking git repo https://github.com/crescentrose/audio_switcher
[INFO] tweaked toml for git repo https://github.com/crescentrose/audio_switcher written to /workspace/builds/worker-0-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/crescentrose/audio_switcher on toolchain b4c55082edd8dec08ce8af276d7054d9c4db20c4
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+b4c55082edd8dec08ce8af276d7054d9c4db20c4" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/crescentrose/audio_switcher 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" "+b4c55082edd8dec08ce8af276d7054d9c4db20c4" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded proc-macro2 v1.0.54
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+b4c55082edd8dec08ce8af276d7054d9c4db20c4" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 705ce33907add89f28c8d449a3b3fbd8eda555de82f7c5733aa9b21d412bcd0e
[INFO] running `Command { std: "docker" "start" "-a" "705ce33907add89f28c8d449a3b3fbd8eda555de82f7c5733aa9b21d412bcd0e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "705ce33907add89f28c8d449a3b3fbd8eda555de82f7c5733aa9b21d412bcd0e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "705ce33907add89f28c8d449a3b3fbd8eda555de82f7c5733aa9b21d412bcd0e", kill_on_drop: false }`
[INFO] [stdout] 705ce33907add89f28c8d449a3b3fbd8eda555de82f7c5733aa9b21d412bcd0e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+b4c55082edd8dec08ce8af276d7054d9c4db20c4" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 42ffb1e77bcf32b1b2bde0e9abd97ab1a383f9f1495ca225aad5bd77da840f4d
[INFO] running `Command { std: "docker" "start" "-a" "42ffb1e77bcf32b1b2bde0e9abd97ab1a383f9f1495ca225aad5bd77da840f4d", kill_on_drop: false }`
[INFO] [stderr]     Checking time v0.1.45
[INFO] [stderr]     Checking num-integer v0.1.45
[INFO] [stderr]     Checking iana-time-zone v0.1.54
[INFO] [stderr]     Checking windows-targets v0.42.2
[INFO] [stderr]     Checking windows v0.46.0
[INFO] [stderr]     Checking chrono v0.4.24
[INFO] [stderr]     Checking audio_switcher v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `self`
[INFO] [stdout]  --> src/bluetooth/device.rs:6:11
[INFO] [stdout]   |
[INFO] [stdout] 6 |     mem::{self, size_of},
[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: `BluetoothSetServiceState`
[INFO] [stdout]   --> src/bluetooth/device.rs:15:64
[INFO] [stdout]    |
[INFO] [stdout] 15 |             BluetoothFindFirstDevice, BluetoothFindNextDevice, BluetoothSetServiceState,
[INFO] [stdout]    |                                                                ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `self`
[INFO] [stdout]  --> src/bluetooth/device.rs:6:11
[INFO] [stdout]   |
[INFO] [stdout] 6 |     mem::{self, size_of},
[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: `BluetoothSetServiceState`
[INFO] [stdout]   --> src/bluetooth/device.rs:15:64
[INFO] [stdout]    |
[INFO] [stdout] 15 |             BluetoothFindFirstDevice, BluetoothFindNextDevice, BluetoothSetServiceState,
[INFO] [stdout]    |                                                                ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `service_guid`
[INFO] [stdout]   --> src/bluetooth/device.rs:79:37
[INFO] [stdout]    |
[INFO] [stdout] 79 |     pub fn set_service_state(&self, service_guid: &str, mode: Mode) {
[INFO] [stdout]    |                                     ^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_service_guid`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `mode`
[INFO] [stdout]   --> src/bluetooth/device.rs:79:57
[INFO] [stdout]    |
[INFO] [stdout] 79 |     pub fn set_service_state(&self, service_guid: &str, mode: Mode) {
[INFO] [stdout]    |                                                         ^^^^ help: if this is intentional, prefix it with an underscore: `_mode`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `service_guid`
[INFO] [stdout]   --> src/bluetooth/device.rs:79:37
[INFO] [stdout]    |
[INFO] [stdout] 79 |     pub fn set_service_state(&self, service_guid: &str, mode: Mode) {
[INFO] [stdout]    |                                     ^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_service_guid`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `mode`
[INFO] [stdout]   --> src/bluetooth/device.rs:79:57
[INFO] [stdout]    |
[INFO] [stdout] 79 |     pub fn set_service_state(&self, service_guid: &str, mode: Mode) {
[INFO] [stdout]    |                                                         ^^^^ help: if this is intentional, prefix it with an underscore: `_mode`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `self`
[INFO] [stdout]  --> src/bluetooth/device.rs:6:11
[INFO] [stdout]   |
[INFO] [stdout] 6 |     mem::{self, size_of},
[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: `BluetoothSetServiceState`
[INFO] [stdout]   --> src/bluetooth/device.rs:15:64
[INFO] [stdout]    |
[INFO] [stdout] 15 |             BluetoothFindFirstDevice, BluetoothFindNextDevice, BluetoothSetServiceState,
[INFO] [stdout]    |                                                                ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `self`
[INFO] [stdout]  --> src/bluetooth/device.rs:6:11
[INFO] [stdout]   |
[INFO] [stdout] 6 |     mem::{self, size_of},
[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: `BluetoothSetServiceState`
[INFO] [stdout]   --> src/bluetooth/device.rs:15:64
[INFO] [stdout]    |
[INFO] [stdout] 15 |             BluetoothFindFirstDevice, BluetoothFindNextDevice, BluetoothSetServiceState,
[INFO] [stdout]    |                                                                ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `service_guid`
[INFO] [stdout]   --> src/bluetooth/device.rs:79:37
[INFO] [stdout]    |
[INFO] [stdout] 79 |     pub fn set_service_state(&self, service_guid: &str, mode: Mode) {
[INFO] [stdout]    |                                     ^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_service_guid`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `mode`
[INFO] [stdout]   --> src/bluetooth/device.rs:79:57
[INFO] [stdout]    |
[INFO] [stdout] 79 |     pub fn set_service_state(&self, service_guid: &str, mode: Mode) {
[INFO] [stdout]    |                                                         ^^^^ help: if this is intentional, prefix it with an underscore: `_mode`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `service_guid`
[INFO] [stdout]   --> src/bluetooth/device.rs:79:37
[INFO] [stdout]    |
[INFO] [stdout] 79 |     pub fn set_service_state(&self, service_guid: &str, mode: Mode) {
[INFO] [stdout]    |                                     ^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_service_guid`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `mode`
[INFO] [stdout]   --> src/bluetooth/device.rs:79:57
[INFO] [stdout]    |
[INFO] [stdout] 79 |     pub fn set_service_state(&self, service_guid: &str, mode: Mode) {
[INFO] [stdout]    |                                                         ^^^^ help: if this is intentional, prefix it with an underscore: `_mode`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 2.51s
[INFO] running `Command { std: "docker" "inspect" "42ffb1e77bcf32b1b2bde0e9abd97ab1a383f9f1495ca225aad5bd77da840f4d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "42ffb1e77bcf32b1b2bde0e9abd97ab1a383f9f1495ca225aad5bd77da840f4d", kill_on_drop: false }`
[INFO] [stdout] 42ffb1e77bcf32b1b2bde0e9abd97ab1a383f9f1495ca225aad5bd77da840f4d
