[INFO] fetching crate piper 0.1.3...
[INFO] checking piper-0.1.3 against beta-2021-10-15 for beta-1.56-3
[INFO] extracting crate piper 0.1.3 into /workspace/builds/worker-0/source
[INFO] validating manifest of crates.io crate piper 0.1.3 on toolchain beta-2021-10-15
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-10-15" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate piper 0.1.3
[INFO] finished tweaking crates.io crate piper 0.1.3
[INFO] tweaked toml for crates.io crate piper 0.1.3 written to /workspace/builds/worker-0/source/Cargo.toml
[INFO] crate crates.io crate piper 0.1.3 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-10-15" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded pin-project-internal v0.4.16
[INFO] [stderr]   Downloaded quote v1.0.5
[INFO] [stderr]   Downloaded proc-macro2 v1.0.13
[INFO] [stderr]   Downloaded syn v1.0.22
[INFO] [stderr]   Downloaded pin-project v0.4.16
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-10-15" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] d32943601a561993c0f3db68ebaa48f9b60eca8649eb34830fc4eb502143f65e
[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" "d32943601a561993c0f3db68ebaa48f9b60eca8649eb34830fc4eb502143f65e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "d32943601a561993c0f3db68ebaa48f9b60eca8649eb34830fc4eb502143f65e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d32943601a561993c0f3db68ebaa48f9b60eca8649eb34830fc4eb502143f65e", kill_on_drop: false }`
[INFO] [stdout] d32943601a561993c0f3db68ebaa48f9b60eca8649eb34830fc4eb502143f65e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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=warn" "-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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-10-15" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 32801d22bb52a8921ae06cfc27f8e78785ed9ecbd12affb9381e1764b738e46a
[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" "32801d22bb52a8921ae06cfc27f8e78785ed9ecbd12affb9381e1764b738e46a", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.13
[INFO] [stderr]    Compiling syn v1.0.22
[INFO] [stderr]    Compiling quote v1.0.5
[INFO] [stderr]    Compiling pin-project-internal v0.4.16
[INFO] [stderr]     Checking pin-project v0.4.16
[INFO] [stderr]     Checking futures-util v0.3.5
[INFO] [stderr]     Checking futures v0.3.5
[INFO] [stderr]     Checking piper v0.1.3 (/opt/rustwide/workdir)
[INFO] [stdout] warning: use of deprecated associated function `std::sync::atomic::AtomicUsize::compare_and_swap`: Use `compare_exchange` or `compare_exchange_weak` instead
[INFO] [stdout]     --> src/chan.rs:1081:11
[INFO] [stdout]      |
[INFO] [stdout] 1081 |         a.compare_and_swap(0, 1, Ordering::SeqCst);
[INFO] [stdout]      |           ^^^^^^^^^^^^^^^^
[INFO] [stdout]      |
[INFO] [stdout]      = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `std::sync::atomic::AtomicPtr::<T>::compare_and_swap`: Use `compare_exchange` or `compare_exchange_weak` instead
[INFO] [stdout]    --> src/event.rs:153:32
[INFO] [stdout]     |
[INFO] [stdout] 153 |             inner = self.inner.compare_and_swap(inner, new, Ordering::AcqRel);
[INFO] [stdout]     |                                ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `std::sync::atomic::AtomicUsize::compare_and_swap`: Use `compare_exchange` or `compare_exchange_weak` instead
[INFO] [stdout]    --> src/event.rs:522:11
[INFO] [stdout]     |
[INFO] [stdout] 522 |         a.compare_and_swap(0, 1, Ordering::SeqCst);
[INFO] [stdout]     |           ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `std::sync::atomic::AtomicBool::compare_and_swap`: Use `compare_exchange` or `compare_exchange_weak` instead
[INFO] [stdout]    --> src/lock.rs:134:14
[INFO] [stdout]     |
[INFO] [stdout] 134 |             .compare_and_swap(false, true, Ordering::Acquire)
[INFO] [stdout]     |              ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `std::sync::atomic::AtomicBool::compare_and_swap`: Use `compare_exchange` or `compare_exchange_weak` instead
[INFO] [stdout]    --> src/mutex.rs:133:25
[INFO] [stdout]     |
[INFO] [stdout] 133 |         if !self.locked.compare_and_swap(false, true, Ordering::Acquire) {
[INFO] [stdout]     |                         ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: type does not implement `Debug`; consider adding `#[derive(Debug)]` or a manual implementation
[INFO] [stdout]   --> src/event.rs:66:1
[INFO] [stdout]    |
[INFO] [stdout] 66 | / pub struct Event {
[INFO] [stdout] 67 | |     /// A pointer to heap-allocated inner state.
[INFO] [stdout] 68 | |     ///
[INFO] [stdout] 69 | |     /// This pointer is initially null and gets lazily initialized on first use. Semantically, it
[INFO] [stdout] ...  |
[INFO] [stdout] 72 | |     inner: AtomicPtr<Inner>,
[INFO] [stdout] 73 | | }
[INFO] [stdout]    | |_^
[INFO] [stdout]    |
[INFO] [stdout] note: the lint level is defined here
[INFO] [stdout]   --> src/lib.rs:12:23
[INFO] [stdout]    |
[INFO] [stdout] 12 | #![warn(missing_docs, missing_debug_implementations, rust_2018_idioms)]
[INFO] [stdout]    |                       ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: type does not implement `Debug`; consider adding `#[derive(Debug)]` or a manual implementation
[INFO] [stdout]    --> src/event.rs:201:1
[INFO] [stdout]     |
[INFO] [stdout] 201 | / pub struct EventListener {
[INFO] [stdout] 202 | |     /// A reference to [`Event`]'s inner state.
[INFO] [stdout] 203 | |     inner: Arc<Inner>,
[INFO] [stdout] 204 | |
[INFO] [stdout] 205 | |     /// A pointer to this listener's entry in the linked list.
[INFO] [stdout] 206 | |     entry: Option<NonNull<Entry>>,
[INFO] [stdout] 207 | | }
[INFO] [stdout]     | |_^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 7 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `std::sync::atomic::AtomicUsize::compare_and_swap`: Use `compare_exchange` or `compare_exchange_weak` instead
[INFO] [stdout]     --> src/chan.rs:1081:11
[INFO] [stdout]      |
[INFO] [stdout] 1081 |         a.compare_and_swap(0, 1, Ordering::SeqCst);
[INFO] [stdout]      |           ^^^^^^^^^^^^^^^^
[INFO] [stdout]      |
[INFO] [stdout]      = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `std::sync::atomic::AtomicPtr::<T>::compare_and_swap`: Use `compare_exchange` or `compare_exchange_weak` instead
[INFO] [stdout]    --> src/event.rs:153:32
[INFO] [stdout]     |
[INFO] [stdout] 153 |             inner = self.inner.compare_and_swap(inner, new, Ordering::AcqRel);
[INFO] [stdout]     |                                ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `std::sync::atomic::AtomicUsize::compare_and_swap`: Use `compare_exchange` or `compare_exchange_weak` instead
[INFO] [stdout]    --> src/event.rs:522:11
[INFO] [stdout]     |
[INFO] [stdout] 522 |         a.compare_and_swap(0, 1, Ordering::SeqCst);
[INFO] [stdout]     |           ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `std::sync::atomic::AtomicBool::compare_and_swap`: Use `compare_exchange` or `compare_exchange_weak` instead
[INFO] [stdout]    --> src/lock.rs:134:14
[INFO] [stdout]     |
[INFO] [stdout] 134 |             .compare_and_swap(false, true, Ordering::Acquire)
[INFO] [stdout]     |              ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `std::sync::atomic::AtomicBool::compare_and_swap`: Use `compare_exchange` or `compare_exchange_weak` instead
[INFO] [stdout]    --> src/mutex.rs:133:25
[INFO] [stdout]     |
[INFO] [stdout] 133 |         if !self.locked.compare_and_swap(false, true, Ordering::Acquire) {
[INFO] [stdout]     |                         ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: type does not implement `Debug`; consider adding `#[derive(Debug)]` or a manual implementation
[INFO] [stdout]   --> src/event.rs:66:1
[INFO] [stdout]    |
[INFO] [stdout] 66 | / pub struct Event {
[INFO] [stdout] 67 | |     /// A pointer to heap-allocated inner state.
[INFO] [stdout] 68 | |     ///
[INFO] [stdout] 69 | |     /// This pointer is initially null and gets lazily initialized on first use. Semantically, it
[INFO] [stdout] ...  |
[INFO] [stdout] 72 | |     inner: AtomicPtr<Inner>,
[INFO] [stdout] 73 | | }
[INFO] [stdout]    | |_^
[INFO] [stdout]    |
[INFO] [stdout] note: the lint level is defined here
[INFO] [stdout]   --> src/lib.rs:12:23
[INFO] [stdout]    |
[INFO] [stdout] 12 | #![warn(missing_docs, missing_debug_implementations, rust_2018_idioms)]
[INFO] [stdout]    |                       ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: type does not implement `Debug`; consider adding `#[derive(Debug)]` or a manual implementation
[INFO] [stdout]    --> src/event.rs:201:1
[INFO] [stdout]     |
[INFO] [stdout] 201 | / pub struct EventListener {
[INFO] [stdout] 202 | |     /// A reference to [`Event`]'s inner state.
[INFO] [stdout] 203 | |     inner: Arc<Inner>,
[INFO] [stdout] 204 | |
[INFO] [stdout] 205 | |     /// A pointer to this listener's entry in the linked list.
[INFO] [stdout] 206 | |     entry: Option<NonNull<Entry>>,
[INFO] [stdout] 207 | | }
[INFO] [stdout]     | |_^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 7 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared crate or module `smol`
[INFO] [stdout]   --> benches/foo.rs:18:13
[INFO] [stdout]    |
[INFO] [stdout] 18 |             smol::block_on(async {
[INFO] [stdout]    |             ^^^^ use of undeclared crate or module `smol`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared crate or module `smol`
[INFO] [stdout]   --> benches/foo.rs:27:13
[INFO] [stdout]    |
[INFO] [stdout] 27 |             smol::block_on(async {
[INFO] [stdout]    |             ^^^^ use of undeclared crate or module `smol`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared crate or module `tokio`
[INFO] [stdout]   --> benches/foo.rs:37:28
[INFO] [stdout]    |
[INFO] [stdout] 37 |         let (tx, mut rx) = tokio::sync::mpsc::channel(1000);
[INFO] [stdout]    |                            ^^^^^ use of undeclared crate or module `tokio`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared crate or module `smol`
[INFO] [stdout]   --> benches/foo.rs:39:13
[INFO] [stdout]    |
[INFO] [stdout] 39 |             smol::block_on(async {
[INFO] [stdout]    |             ^^^^ use of undeclared crate or module `smol`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared crate or module `smol`
[INFO] [stdout]   --> benches/foo.rs:48:13
[INFO] [stdout]    |
[INFO] [stdout] 48 |             smol::block_on(async {
[INFO] [stdout]    |             ^^^^ use of undeclared crate or module `smol`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared crate or module `async_std`
[INFO] [stdout]   --> benches/foo.rs:58:28
[INFO] [stdout]    |
[INFO] [stdout] 58 |         let (tx, mut rx) = async_std::sync::channel(1000);
[INFO] [stdout]    |                            ^^^^^^^^^ use of undeclared crate or module `async_std`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared crate or module `smol`
[INFO] [stdout]   --> benches/foo.rs:60:13
[INFO] [stdout]    |
[INFO] [stdout] 60 |             smol::block_on(async {
[INFO] [stdout]    |             ^^^^ use of undeclared crate or module `smol`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared crate or module `smol`
[INFO] [stdout]   --> benches/foo.rs:69:13
[INFO] [stdout]    |
[INFO] [stdout] 69 |             smol::block_on(async {
[INFO] [stdout]    |             ^^^^ use of undeclared crate or module `smol`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the beta release channel
[INFO] [stdout]  --> benches/foo.rs:1:1
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![feature(test)]
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 9 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0433, E0554.
[INFO] [stdout] 
[INFO] [stdout] For more information about an error, try `rustc --explain E0433`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `piper` due to 10 previous errors
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared crate or module `smol`
[INFO] [stdout]  --> examples/foo.rs:4:5
[INFO] [stdout]   |
[INFO] [stdout] 4 |     smol::run(async {
[INFO] [stdout]   |     ^^^^ use of undeclared crate or module `smol`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to previous error
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0433`.
[INFO] [stdout] 
[INFO] [stderr] error: build failed
[INFO] running `Command { std: "docker" "inspect" "32801d22bb52a8921ae06cfc27f8e78785ed9ecbd12affb9381e1764b738e46a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "32801d22bb52a8921ae06cfc27f8e78785ed9ecbd12affb9381e1764b738e46a", kill_on_drop: false }`
[INFO] [stdout] 32801d22bb52a8921ae06cfc27f8e78785ed9ecbd12affb9381e1764b738e46a
