[INFO] fetching crate audio-device 0.1.0-alpha.6...
[INFO] testing audio-device-0.1.0-alpha.6 against try#ecabaf78506b7a4668d42dc20268c086b93f0fad for pr-87041
[INFO] extracting crate audio-device 0.1.0-alpha.6 into /workspace/builds/worker-5/source
[INFO] validating manifest of crates.io crate audio-device 0.1.0-alpha.6 on toolchain ecabaf78506b7a4668d42dc20268c086b93f0fad
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+ecabaf78506b7a4668d42dc20268c086b93f0fad" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate audio-device 0.1.0-alpha.6
[INFO] removed 0 missing examples
[INFO] finished tweaking crates.io crate audio-device 0.1.0-alpha.6
[INFO] tweaked toml for crates.io crate audio-device 0.1.0-alpha.6 written to /workspace/builds/worker-5/source/Cargo.toml
[INFO] crate crates.io crate audio-device 0.1.0-alpha.6 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+ecabaf78506b7a4668d42dc20268c086b93f0fad" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded loom v0.4.1
[INFO] [stderr]   Downloaded audio-device-windows-sys v0.1.0-alpha.1
[INFO] [stderr]   Downloaded audio v0.2.0-alpha.3
[INFO] [stderr]   Downloaded audio-device-alsa-sys v0.1.0-alpha.1
[INFO] [stderr]   Downloaded ste v0.1.0-alpha.9
[INFO] [stderr]   Downloaded generator v0.6.25
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+ecabaf78506b7a4668d42dc20268c086b93f0fad" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 162f0dadc611457c20f5d30b0289a28234a76dce75d22f164bd8055c8bfc8d9b
[INFO] running `Command { std: "docker" "start" "-a" "162f0dadc611457c20f5d30b0289a28234a76dce75d22f164bd8055c8bfc8d9b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "162f0dadc611457c20f5d30b0289a28234a76dce75d22f164bd8055c8bfc8d9b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "162f0dadc611457c20f5d30b0289a28234a76dce75d22f164bd8055c8bfc8d9b", kill_on_drop: false }`
[INFO] [stdout] 162f0dadc611457c20f5d30b0289a28234a76dce75d22f164bd8055c8bfc8d9b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+ecabaf78506b7a4668d42dc20268c086b93f0fad" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 8c4c207e07d4242130fc01d3e47489018e1e457435ab4e55cde8f2e9431a1c56
[INFO] running `Command { std: "docker" "start" "-a" "8c4c207e07d4242130fc01d3e47489018e1e457435ab4e55cde8f2e9431a1c56", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.26
[INFO] [stderr]    Compiling syn v1.0.69
[INFO] [stderr]    Compiling smallvec v1.6.1
[INFO] [stderr]    Compiling scopeguard v1.1.0
[INFO] [stderr]    Compiling memchr v2.3.4
[INFO] [stderr]    Compiling ppv-lite86 v0.2.10
[INFO] [stderr]    Compiling pin-project-lite v0.2.6
[INFO] [stderr]    Compiling bytes v1.0.1
[INFO] [stderr]    Compiling once_cell v1.7.2
[INFO] [stderr]    Compiling audio-core v0.2.0-alpha.3
[INFO] [stderr]    Compiling instant v0.1.9
[INFO] [stderr]    Compiling tokio v1.5.0
[INFO] [stderr]    Compiling getrandom v0.2.2
[INFO] [stderr]    Compiling num_cpus v1.13.0
[INFO] [stderr]    Compiling signal-hook-registry v1.3.0
[INFO] [stderr]    Compiling mio v0.7.11
[INFO] [stderr]    Compiling lock_api v0.4.3
[INFO] [stderr]    Compiling rand_core v0.6.2
[INFO] [stderr]    Compiling parking_lot_core v0.8.3
[INFO] [stderr]    Compiling rand_chacha v0.3.0
[INFO] [stderr]    Compiling parking_lot v0.11.1
[INFO] [stderr]    Compiling rand v0.8.3
[INFO] [stderr]    Compiling quote v1.0.9
[INFO] [stderr]    Compiling tokio-macros v1.1.0
[INFO] [stderr]    Compiling thiserror-impl v1.0.24
[INFO] [stderr]    Compiling thiserror v1.0.24
[INFO] [stderr]    Compiling ste v0.1.0-alpha.9
[INFO] [stderr]    Compiling audio-device v0.1.0-alpha.6 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `::std::thread`
[INFO] [stdout]  --> src/loom/mod.rs:2:16
[INFO] [stdout]   |
[INFO] [stdout] 2 | pub(crate) use ::std::thread;
[INFO] [stdout]   |                ^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `::std::sync::Arc`
[INFO] [stdout]  --> src/loom/sync.rs:2:16
[INFO] [stdout]   |
[INFO] [stdout] 2 | pub(crate) use ::std::sync::Arc;
[INFO] [stdout]   |                ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct is never constructed: `Mutex`
[INFO] [stdout]   --> src/loom/sync.rs:23:19
[INFO] [stdout]    |
[INFO] [stdout] 23 | pub(crate) struct Mutex<T> {
[INFO] [stdout]    |                   ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `new`
[INFO] [stdout]   --> src/loom/sync.rs:28:19
[INFO] [stdout]    |
[INFO] [stdout] 28 |     pub(crate) fn new(value: T) -> Self {
[INFO] [stdout]    |                   ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `lock`
[INFO] [stdout]   --> src/loom/sync.rs:34:19
[INFO] [stdout]    |
[INFO] [stdout] 34 |     pub(crate) fn lock(&self) -> MutexGuard<'_, T> {
[INFO] [stdout]    |                   ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 5 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 22.96s
[INFO] running `Command { std: "docker" "inspect" "8c4c207e07d4242130fc01d3e47489018e1e457435ab4e55cde8f2e9431a1c56", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8c4c207e07d4242130fc01d3e47489018e1e457435ab4e55cde8f2e9431a1c56", kill_on_drop: false }`
[INFO] [stdout] 8c4c207e07d4242130fc01d3e47489018e1e457435ab4e55cde8f2e9431a1c56
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+ecabaf78506b7a4668d42dc20268c086b93f0fad" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] c0d0aa4d61ca65185cbb415c26029c0c27dc5fd6b91f84f04c608e1a95826ba5
[INFO] running `Command { std: "docker" "start" "-a" "c0d0aa4d61ca65185cbb415c26029c0c27dc5fd6b91f84f04c608e1a95826ba5", kill_on_drop: false }`
[INFO] [stderr]    Compiling anyhow v1.0.40
[INFO] [stderr]    Compiling audio v0.2.0-alpha.3
[INFO] [stdout] warning: unused import: `::std::thread`
[INFO] [stdout]  --> src/loom/mod.rs:2:16
[INFO] [stdout]   |
[INFO] [stdout] 2 | pub(crate) use ::std::thread;
[INFO] [stdout]   |                ^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `::std::sync::Arc`
[INFO] [stdout]  --> src/loom/sync.rs:2:16
[INFO] [stdout]   |
[INFO] [stdout] 2 | pub(crate) use ::std::sync::Arc;
[INFO] [stdout]   |                ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct is never constructed: `Mutex`
[INFO] [stdout]   --> src/loom/sync.rs:23:19
[INFO] [stdout]    |
[INFO] [stdout] 23 | pub(crate) struct Mutex<T> {
[INFO] [stdout]    |                   ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `new`
[INFO] [stdout]   --> src/loom/sync.rs:28:19
[INFO] [stdout]    |
[INFO] [stdout] 28 |     pub(crate) fn new(value: T) -> Self {
[INFO] [stdout]    |                   ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `lock`
[INFO] [stdout]   --> src/loom/sync.rs:34:19
[INFO] [stdout]    |
[INFO] [stdout] 34 |     pub(crate) fn lock(&self) -> MutexGuard<'_, T> {
[INFO] [stdout]    |                   ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 5 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling audio-device v0.1.0-alpha.6 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `::std::thread`
[INFO] [stdout]  --> src/loom/mod.rs:2:16
[INFO] [stdout]   |
[INFO] [stdout] 2 | pub(crate) use ::std::thread;
[INFO] [stdout]   |                ^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `::std::sync::Arc`
[INFO] [stdout]  --> src/loom/sync.rs:2:16
[INFO] [stdout]   |
[INFO] [stdout] 2 | pub(crate) use ::std::sync::Arc;
[INFO] [stdout]   |                ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct is never constructed: `Mutex`
[INFO] [stdout]   --> src/loom/sync.rs:23:19
[INFO] [stdout]    |
[INFO] [stdout] 23 | pub(crate) struct Mutex<T> {
[INFO] [stdout]    |                   ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `new`
[INFO] [stdout]   --> src/loom/sync.rs:28:19
[INFO] [stdout]    |
[INFO] [stdout] 28 |     pub(crate) fn new(value: T) -> Self {
[INFO] [stdout]    |                   ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `lock`
[INFO] [stdout]   --> src/loom/sync.rs:34:19
[INFO] [stdout]    |
[INFO] [stdout] 34 |     pub(crate) fn lock(&self) -> MutexGuard<'_, T> {
[INFO] [stdout]    |                   ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 2.32s
[INFO] [stdout] warning: 5 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "c0d0aa4d61ca65185cbb415c26029c0c27dc5fd6b91f84f04c608e1a95826ba5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c0d0aa4d61ca65185cbb415c26029c0c27dc5fd6b91f84f04c608e1a95826ba5", kill_on_drop: false }`
[INFO] [stdout] c0d0aa4d61ca65185cbb415c26029c0c27dc5fd6b91f84f04c608e1a95826ba5
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+ecabaf78506b7a4668d42dc20268c086b93f0fad" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 32fa8204d30d58d19bd548366c19532a6ce342e1c2222c13dbb9a681691dfd7b
[INFO] running `Command { std: "docker" "start" "-a" "32fa8204d30d58d19bd548366c19532a6ce342e1c2222c13dbb9a681691dfd7b", kill_on_drop: false }`
[INFO] [stderr] warning: unused import: `::std::thread`
[INFO] [stderr]  --> src/loom/mod.rs:2:16
[INFO] [stderr]   |
[INFO] [stderr] 2 | pub(crate) use ::std::thread;
[INFO] [stderr]   |                ^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `::std::sync::Arc`
[INFO] [stderr]  --> src/loom/sync.rs:2:16
[INFO] [stderr]   |
[INFO] [stderr] 2 | pub(crate) use ::std::sync::Arc;
[INFO] [stderr]   |                ^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: struct is never constructed: `Mutex`
[INFO] [stderr]   --> src/loom/sync.rs:23:19
[INFO] [stderr]    |
[INFO] [stderr] 23 | pub(crate) struct Mutex<T> {
[INFO] [stderr]    |                   ^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `new`
[INFO] [stderr]   --> src/loom/sync.rs:28:19
[INFO] [stderr]    |
[INFO] [stderr] 28 |     pub(crate) fn new(value: T) -> Self {
[INFO] [stderr]    |                   ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `lock`
[INFO] [stderr]   --> src/loom/sync.rs:34:19
[INFO] [stderr]    |
[INFO] [stderr] 34 |     pub(crate) fn lock(&self) -> MutexGuard<'_, T> {
[INFO] [stderr]    |                   ^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: 5 warnings emitted
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `::std::thread`
[INFO] [stderr]  --> src/loom/mod.rs:2:16
[INFO] [stderr]   |
[INFO] [stderr] 2 | pub(crate) use ::std::thread;
[INFO] [stderr]   |                ^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `::std::sync::Arc`
[INFO] [stderr]  --> src/loom/sync.rs:2:16
[INFO] [stderr]   |
[INFO] [stderr] 2 | pub(crate) use ::std::sync::Arc;
[INFO] [stderr]   |                ^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: struct is never constructed: `Mutex`
[INFO] [stderr]   --> src/loom/sync.rs:23:19
[INFO] [stderr]    |
[INFO] [stderr] 23 | pub(crate) struct Mutex<T> {
[INFO] [stderr]    |                   ^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `new`
[INFO] [stderr]   --> src/loom/sync.rs:28:19
[INFO] [stderr]    |
[INFO] [stderr] 28 |     pub(crate) fn new(value: T) -> Self {
[INFO] [stderr]    |                   ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `lock`
[INFO] [stderr]   --> src/loom/sync.rs:34:19
[INFO] [stderr]    |
[INFO] [stderr] 34 |     pub(crate) fn lock(&self) -> MutexGuard<'_, T> {
[INFO] [stderr]    |                   ^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: 5 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.04s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/audio_device-e53608edc1b4313e)
[INFO] [stderr]    Doc-tests audio-device
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 2 tests
[INFO] [stdout] test src/runtime/mod.rs - runtime::Runtime::wrap (line 93) - compile ... ok
[INFO] [stdout] test src/runtime/mod.rs - runtime::Runtime (line 53) - compile ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 2 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.23s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "32fa8204d30d58d19bd548366c19532a6ce342e1c2222c13dbb9a681691dfd7b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "32fa8204d30d58d19bd548366c19532a6ce342e1c2222c13dbb9a681691dfd7b", kill_on_drop: false }`
[INFO] [stdout] 32fa8204d30d58d19bd548366c19532a6ce342e1c2222c13dbb9a681691dfd7b