[INFO] fetching crate tokio 1.12.0...
[INFO] checking tokio-1.12.0 against beta-2021-10-15 for beta-1.56-3
[INFO] extracting crate tokio 1.12.0 into /workspace/builds/worker-13/source
[INFO] validating manifest of crates.io crate tokio 1.12.0 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 tokio 1.12.0
[INFO] finished tweaking crates.io crate tokio 1.12.0
[INFO] tweaked toml for crates.io crate tokio 1.12.0 written to /workspace/builds/worker-13/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-10-15" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[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 sharded-slab v0.1.4
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[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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] 80a47911fc69b34c681d474cf7a3651e75aeebb3bc18bad20dbf6d599c56a815
[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" "80a47911fc69b34c681d474cf7a3651e75aeebb3bc18bad20dbf6d599c56a815", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "80a47911fc69b34c681d474cf7a3651e75aeebb3bc18bad20dbf6d599c56a815", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "80a47911fc69b34c681d474cf7a3651e75aeebb3bc18bad20dbf6d599c56a815", kill_on_drop: false }`
[INFO] [stdout] 80a47911fc69b34c681d474cf7a3651e75aeebb3bc18bad20dbf6d599c56a815
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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] 811b272e901f5776f020e53909c419c5cc7433a76ba086b4906fa4c8c9e91edb
[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" "811b272e901f5776f020e53909c419c5cc7433a76ba086b4906fa4c8c9e91edb", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Checking termtree v0.2.1
[INFO] [stderr]     Checking fragile v1.0.0
[INFO] [stderr]     Checking downcast v0.10.0
[INFO] [stderr]    Compiling tokio v1.12.0
[INFO] [stderr]    Compiling tokio v1.12.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Checking wait-timeout v0.2.0
[INFO] [stderr]     Checking float-cmp v0.8.0
[INFO] [stderr]     Checking rand_xorshift v0.3.0
[INFO] [stderr]    Compiling mockall_derive v0.10.2
[INFO] [stderr]     Checking nix v0.22.2
[INFO] [stderr]     Checking futures-util v0.3.17
[INFO] [stderr]     Checking tempfile v3.2.0
[INFO] [stderr]     Checking predicates-tree v1.0.4
[INFO] [stderr]     Checking predicates v1.0.8
[INFO] [stderr]     Checking rusty-fork v0.3.0
[INFO] [stderr]     Checking proptest v1.0.0
[INFO] [stderr]     Checking tokio-stream v0.1.7
[INFO] [stderr]     Checking tokio-test v0.4.2
[INFO] [stderr]     Checking futures-executor v0.3.17
[INFO] [stderr]     Checking futures v0.3.17
[INFO] [stderr]     Checking mockall v0.10.2
[INFO] [stdout] error[E0432]: unresolved import `tokio::sync::oneshot`
[INFO] [stdout]  --> tests/macros_join.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | use tokio::sync::oneshot;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^ no `oneshot` in `sync`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: could not find `test` in `tokio`
[INFO] [stdout]  --> tests/macros_join.rs:5:10
[INFO] [stdout]   |
[INFO] [stdout] 5 | #[tokio::test]
[INFO] [stdout]   |          ^^^^ could not find `test` in `tokio`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: could not find `join` in `tokio`
[INFO] [stdout]  --> tests/macros_join.rs:7:22
[INFO] [stdout]   |
[INFO] [stdout] 7 |     let foo = tokio::join!(async { 1 },);
[INFO] [stdout]   |                      ^^^^ could not find `join` in `tokio`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: could not find `test` in `tokio`
[INFO] [stdout]   --> tests/macros_join.rs:12:10
[INFO] [stdout]    |
[INFO] [stdout] 12 | #[tokio::test]
[INFO] [stdout]    |          ^^^^ could not find `test` in `tokio`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: could not find `join` in `tokio`
[INFO] [stdout]   --> tests/macros_join.rs:14:22
[INFO] [stdout]    |
[INFO] [stdout] 14 |     let foo = tokio::join!(async { 1 });
[INFO] [stdout]    |                      ^^^^ could not find `join` in `tokio`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: could not find `test` in `tokio`
[INFO] [stdout]   --> tests/macros_join.rs:19:10
[INFO] [stdout]    |
[INFO] [stdout] 19 | #[tokio::test]
[INFO] [stdout]    |          ^^^^ could not find `test` in `tokio`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: could not find `join` in `tokio`
[INFO] [stdout]   --> tests/macros_join.rs:21:22
[INFO] [stdout]    |
[INFO] [stdout] 21 |     let foo = tokio::join!(async { 1 }, async { 2 },);
[INFO] [stdout]    |                      ^^^^ could not find `join` in `tokio`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: could not find `test` in `tokio`
[INFO] [stdout]   --> tests/macros_join.rs:26:10
[INFO] [stdout]    |
[INFO] [stdout] 26 | #[tokio::test]
[INFO] [stdout]    |          ^^^^ could not find `test` in `tokio`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: could not find `join` in `tokio`
[INFO] [stdout]   --> tests/macros_join.rs:28:22
[INFO] [stdout]    |
[INFO] [stdout] 28 |     let foo = tokio::join!(async { 1 }, async { 2 });
[INFO] [stdout]    |                      ^^^^ could not find `join` in `tokio`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: could not find `test` in `tokio`
[INFO] [stdout]   --> tests/macros_join.rs:33:10
[INFO] [stdout]    |
[INFO] [stdout] 33 | #[tokio::test]
[INFO] [stdout]    |          ^^^^ could not find `test` in `tokio`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: could not find `join` in `tokio`
[INFO] [stdout]   --> tests/macros_join.rs:39:16
[INFO] [stdout]    |
[INFO] [stdout] 39 |         tokio::join!(async { rx1.await.unwrap() }, async { rx2.await.unwrap() })
[INFO] [stdout]    |                ^^^^ could not find `join` in `tokio`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: could not find `join` in `tokio`
[INFO] [stdout]   --> tests/macros_join.rs:62:16
[INFO] [stdout]    |
[INFO] [stdout] 62 |         tokio::join!(ready)
[INFO] [stdout]    |                ^^^^ could not find `join` in `tokio`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: could not find `join` in `tokio`
[INFO] [stdout]   --> tests/macros_join.rs:69:16
[INFO] [stdout]    |
[INFO] [stdout] 69 |         tokio::join!(ready1, ready2)
[INFO] [stdout]    |                ^^^^ could not find `join` in `tokio`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0603]: module `sync` is private
[INFO] [stdout]    --> tests/macros_join.rs:2:12
[INFO] [stdout]     |
[INFO] [stdout] 2   | use tokio::sync::oneshot;
[INFO] [stdout]     |            ^^^^ private module
[INFO] [stdout]     |
[INFO] [stdout] note: the module `sync` is defined here
[INFO] [stdout]    --> /opt/rustwide/workdir/src/lib.rs:401:5
[INFO] [stdout]     |
[INFO] [stdout] 401 |     mod sync;
[INFO] [stdout]     |     ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 14 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0432, E0433, E0603.
[INFO] [stdout] 
[INFO] [stdout] For more information about an error, try `rustc --explain E0432`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `tokio` due to 15 previous errors
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] error[E0432]: unresolved import `crate::sync::AtomicWaker`
[INFO] [stdout]  --> src/sync/tests/atomic_waker.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use crate::sync::AtomicWaker;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^ no `AtomicWaker` in `sync`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0432]: unresolved import `crate::sync::batch_semaphore`
[INFO] [stdout]  --> src/sync/tests/semaphore_batch.rs:1:18
[INFO] [stdout]   |
[INFO] [stdout] 1 | use crate::sync::batch_semaphore::Semaphore;
[INFO] [stdout]   |                  ^^^^^^^^^^^^^^^ could not find `batch_semaphore` in `sync`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0425]: cannot find function `poll_proceed` in this scope
[INFO] [stdout]    --> src/coop.rs:225:64
[INFO] [stdout]     |
[INFO] [stdout] 225 |         let coop = assert_ready!(task::spawn(()).enter(|cx, _| poll_proceed(cx)));
[INFO] [stdout]     |                                                                ^^^^^^^^^^^^ not found in this scope
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0425]: cannot find function `poll_proceed` in this scope
[INFO] [stdout]    --> src/coop.rs:234:68
[INFO] [stdout]     |
[INFO] [stdout] 234 |             let coop = assert_ready!(task::spawn(()).enter(|cx, _| poll_proceed(cx)));
[INFO] [stdout]     |                                                                    ^^^^^^^^^^^^ not found in this scope
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0425]: cannot find function `poll_proceed` in this scope
[INFO] [stdout]    --> src/coop.rs:240:68
[INFO] [stdout]     |
[INFO] [stdout] 240 |             let coop = assert_ready!(task::spawn(()).enter(|cx, _| poll_proceed(cx)));
[INFO] [stdout]     |                                                                    ^^^^^^^^^^^^ not found in this scope
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0425]: cannot find function `poll_proceed` in this scope
[INFO] [stdout]    --> src/coop.rs:247:68
[INFO] [stdout]     |
[INFO] [stdout] 247 |             let coop = assert_ready!(task::spawn(()).enter(|cx, _| poll_proceed(cx)));
[INFO] [stdout]     |                                                                    ^^^^^^^^^^^^ not found in this scope
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0425]: cannot find function `poll_proceed` in this scope
[INFO] [stdout]    --> src/coop.rs:256:72
[INFO] [stdout]     |
[INFO] [stdout] 256 |                 let coop = assert_ready!(task::spawn(()).enter(|cx, _| poll_proceed(cx)));
[INFO] [stdout]     |                                                                        ^^^^^^^^^^^^ not found in this scope
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0425]: cannot find function `poll_proceed` in this scope
[INFO] [stdout]    --> src/coop.rs:272:72
[INFO] [stdout]     |
[INFO] [stdout] 272 |                 let coop = assert_ready!(task::spawn(()).enter(|cx, _| poll_proceed(cx)));
[INFO] [stdout]     |                                                                        ^^^^^^^^^^^^ not found in this scope
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0425]: cannot find function `poll_proceed` in this scope
[INFO] [stdout]    --> src/coop.rs:277:35
[INFO] [stdout]     |
[INFO] [stdout] 277 |                 let coop = ready!(poll_proceed(cx));
[INFO] [stdout]     |                                   ^^^^^^^^^^^^ not found in this scope
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared type `Poll`
[INFO] [stdout]    --> src/coop.rs:279:17
[INFO] [stdout]     |
[INFO] [stdout] 279 |                 Poll::Ready(())
[INFO] [stdout]     |                 ^^^^ not found in this scope
[INFO] [stdout]     |
[INFO] [stdout] help: consider importing one of these items
[INFO] [stdout]     |
[INFO] [stdout] 212 |     use core::task::Poll;
[INFO] [stdout]     |
[INFO] [stdout] 212 |     use crate::macros::support::Poll;
[INFO] [stdout]     |
[INFO] [stdout] 212 |     use futures::task::Poll;
[INFO] [stdout]     |
[INFO] [stdout] 212 |     use std::task::Poll;
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: no method named `enter` found for struct `tokio_test::task::Spawn<_>` in the current scope
[INFO] [stdout]   --> src/sync/tests/atomic_waker.rs:19:11
[INFO] [stdout]    |
[INFO] [stdout] 19 |     waker.enter(|cx, waker| waker.register_by_ref(cx.waker()));
[INFO] [stdout]    |           ^^^^^ method not found in `tokio_test::task::Spawn<_>`
[INFO] [stdout]    |
[INFO] [stdout]    = note: the method was found for
[INFO] [stdout]            - `tokio_test::task::Spawn<T>`
[INFO] [stdout]    = note: `waker` is a function, perhaps you wish to call it
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: no method named `wake` found for struct `tokio_test::task::Spawn<_>` in the current scope
[INFO] [stdout]   --> src/sync/tests/atomic_waker.rs:20:11
[INFO] [stdout]    |
[INFO] [stdout] 20 |     waker.wake();
[INFO] [stdout]    |           ^^^^ method not found in `tokio_test::task::Spawn<_>`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `waker` is a function, perhaps you wish to call it
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: no method named `is_woken` found for struct `tokio_test::task::Spawn<_>` in the current scope
[INFO] [stdout]   --> src/sync/tests/atomic_waker.rs:22:19
[INFO] [stdout]    |
[INFO] [stdout] 22 |     assert!(waker.is_woken());
[INFO] [stdout]    |                   ^^^^^^^^ method not found in `tokio_test::task::Spawn<_>`
[INFO] [stdout]    |
[INFO] [stdout]    = note: the method was found for
[INFO] [stdout]            - `tokio_test::task::Spawn<T>`
[INFO] [stdout]    = note: `waker` is a function, perhaps you wish to call it
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: no method named `wake` found for struct `tokio_test::task::Spawn<_>` in the current scope
[INFO] [stdout]   --> src/sync/tests/atomic_waker.rs:28:11
[INFO] [stdout]    |
[INFO] [stdout] 28 |     waker.wake();
[INFO] [stdout]    |           ^^^^ method not found in `tokio_test::task::Spawn<_>`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `waker` is a function, perhaps you wish to call it
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: no method named `enter` found for struct `tokio_test::task::Spawn<_>` in the current scope
[INFO] [stdout]   --> src/sync/tests/atomic_waker.rs:31:11
[INFO] [stdout]    |
[INFO] [stdout] 31 |     waker.enter(|cx, waker| waker.register_by_ref(cx.waker()));
[INFO] [stdout]    |           ^^^^^ method not found in `tokio_test::task::Spawn<_>`
[INFO] [stdout]    |
[INFO] [stdout]    = note: the method was found for
[INFO] [stdout]            - `tokio_test::task::Spawn<T>`
[INFO] [stdout]    = note: `waker` is a function, perhaps you wish to call it
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: no method named `is_woken` found for struct `tokio_test::task::Spawn<_>` in the current scope
[INFO] [stdout]   --> src/sync/tests/atomic_waker.rs:33:20
[INFO] [stdout]    |
[INFO] [stdout] 33 |     assert!(!waker.is_woken());
[INFO] [stdout]    |                    ^^^^^^^^ method not found in `tokio_test::task::Spawn<_>`
[INFO] [stdout]    |
[INFO] [stdout]    = note: the method was found for
[INFO] [stdout]            - `tokio_test::task::Spawn<T>`
[INFO] [stdout]    = note: `waker` is a function, perhaps you wish to call it
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: no method named `poll` found for struct `tokio_test::task::Spawn<_>` in the current scope
[INFO] [stdout]   --> src/sync/tests/semaphore_batch.rs:10:48
[INFO] [stdout]    |
[INFO] [stdout] 10 |     assert_ready_ok!(task::spawn(s.acquire(1)).poll());
[INFO] [stdout]    |                                                ^^^^ method not found in `tokio_test::task::Spawn<_>`
[INFO] [stdout]    |
[INFO] [stdout]    = note: the method was found for
[INFO] [stdout]            - `tokio_test::task::Spawn<T>`
[INFO] [stdout]    = note: `task::spawn(s.acquire(1))` is a function, perhaps you wish to call it
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: no method named `poll` found for struct `tokio_test::task::Spawn<_>` in the current scope
[INFO] [stdout]   --> src/sync/tests/semaphore_batch.rs:20:48
[INFO] [stdout]    |
[INFO] [stdout] 20 |     assert_ready_ok!(task::spawn(s.acquire(5)).poll());
[INFO] [stdout]    |                                                ^^^^ method not found in `tokio_test::task::Spawn<_>`
[INFO] [stdout]    |
[INFO] [stdout]    = note: the method was found for
[INFO] [stdout]            - `tokio_test::task::Spawn<T>`
[INFO] [stdout]    = note: `task::spawn(s.acquire(5))` is a function, perhaps you wish to call it
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: no method named `poll` found for struct `tokio_test::task::Spawn<_>` in the current scope
[INFO] [stdout]   --> src/sync/tests/semaphore_batch.rs:23:48
[INFO] [stdout]    |
[INFO] [stdout] 23 |     assert_ready_ok!(task::spawn(s.acquire(5)).poll());
[INFO] [stdout]    |                                                ^^^^ method not found in `tokio_test::task::Spawn<_>`
[INFO] [stdout]    |
[INFO] [stdout]    = note: the method was found for
[INFO] [stdout]            - `tokio_test::task::Spawn<T>`
[INFO] [stdout]    = note: `task::spawn(s.acquire(5))` is a function, perhaps you wish to call it
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: no method named `poll` found for struct `tokio_test::task::Spawn<_>` in the current scope
[INFO] [stdout]   --> src/sync/tests/semaphore_batch.rs:56:48
[INFO] [stdout]    |
[INFO] [stdout] 56 |     assert_ready_ok!(task::spawn(s.acquire(1)).poll());
[INFO] [stdout]    |                                                ^^^^ method not found in `tokio_test::task::Spawn<_>`
[INFO] [stdout]    |
[INFO] [stdout]    = note: the method was found for
[INFO] [stdout]            - `tokio_test::task::Spawn<T>`
[INFO] [stdout]    = note: `task::spawn(s.acquire(1))` is a function, perhaps you wish to call it
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: no method named `poll` found for struct `tokio_test::task::Spawn<_>` in the current scope
[INFO] [stdout]   --> src/sync/tests/semaphore_batch.rs:61:31
[INFO] [stdout]    |
[INFO] [stdout] 61 |     assert_pending!(acquire_2.poll());
[INFO] [stdout]    |                               ^^^^ method not found in `tokio_test::task::Spawn<_>`
[INFO] [stdout]    |
[INFO] [stdout]    = note: the method was found for
[INFO] [stdout]            - `tokio_test::task::Spawn<T>`
[INFO] [stdout]    = note: `acquire_2` is a function, perhaps you wish to call it
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: no method named `is_woken` found for struct `tokio_test::task::Spawn<_>` in the current scope
[INFO] [stdout]   --> src/sync/tests/semaphore_batch.rs:67:23
[INFO] [stdout]    |
[INFO] [stdout] 67 |     assert!(acquire_2.is_woken());
[INFO] [stdout]    |                       ^^^^^^^^ method not found in `tokio_test::task::Spawn<_>`
[INFO] [stdout]    |
[INFO] [stdout]    = note: the method was found for
[INFO] [stdout]            - `tokio_test::task::Spawn<T>`
[INFO] [stdout]    = note: `acquire_2` is a function, perhaps you wish to call it
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: no method named `poll` found for struct `tokio_test::task::Spawn<_>` in the current scope
[INFO] [stdout]   --> src/sync/tests/semaphore_batch.rs:68:32
[INFO] [stdout]    |
[INFO] [stdout] 68 |     assert_ready_ok!(acquire_2.poll());
[INFO] [stdout]    |                                ^^^^ method not found in `tokio_test::task::Spawn<_>`
[INFO] [stdout]    |
[INFO] [stdout]    = note: the method was found for
[INFO] [stdout]            - `tokio_test::task::Spawn<T>`
[INFO] [stdout]    = note: `acquire_2` is a function, perhaps you wish to call it
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: no method named `poll` found for struct `tokio_test::task::Spawn<_>` in the current scope
[INFO] [stdout]   --> src/sync/tests/semaphore_batch.rs:80:48
[INFO] [stdout]    |
[INFO] [stdout] 80 |     assert_ready_ok!(task::spawn(s.acquire(1)).poll());
[INFO] [stdout]    |                                                ^^^^ method not found in `tokio_test::task::Spawn<_>`
[INFO] [stdout]    |
[INFO] [stdout]    = note: the method was found for
[INFO] [stdout]            - `tokio_test::task::Spawn<T>`
[INFO] [stdout]    = note: `task::spawn(s.acquire(1))` is a function, perhaps you wish to call it
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: no method named `poll` found for struct `tokio_test::task::Spawn<_>` in the current scope
[INFO] [stdout]   --> src/sync/tests/semaphore_batch.rs:85:31
[INFO] [stdout]    |
[INFO] [stdout] 85 |     assert_pending!(acquire_2.poll());
[INFO] [stdout]    |                               ^^^^ method not found in `tokio_test::task::Spawn<_>`
[INFO] [stdout]    |
[INFO] [stdout]    = note: the method was found for
[INFO] [stdout]            - `tokio_test::task::Spawn<T>`
[INFO] [stdout]    = note: `acquire_2` is a function, perhaps you wish to call it
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: no method named `poll` found for struct `tokio_test::task::Spawn<_>` in the current scope
[INFO] [stdout]   --> src/sync/tests/semaphore_batch.rs:90:31
[INFO] [stdout]    |
[INFO] [stdout] 90 |     assert_pending!(acquire_3.poll());
[INFO] [stdout]    |                               ^^^^ method not found in `tokio_test::task::Spawn<_>`
[INFO] [stdout]    |
[INFO] [stdout]    = note: the method was found for
[INFO] [stdout]            - `tokio_test::task::Spawn<T>`
[INFO] [stdout]    = note: `acquire_3` is a function, perhaps you wish to call it
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: no method named `is_woken` found for struct `tokio_test::task::Spawn<_>` in the current scope
[INFO] [stdout]   --> src/sync/tests/semaphore_batch.rs:96:23
[INFO] [stdout]    |
[INFO] [stdout] 96 |     assert!(acquire_2.is_woken());
[INFO] [stdout]    |                       ^^^^^^^^ method not found in `tokio_test::task::Spawn<_>`
[INFO] [stdout]    |
[INFO] [stdout]    = note: the method was found for
[INFO] [stdout]            - `tokio_test::task::Spawn<T>`
[INFO] [stdout]    = note: `acquire_2` is a function, perhaps you wish to call it
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: no method named `poll` found for struct `tokio_test::task::Spawn<_>` in the current scope
[INFO] [stdout]   --> src/sync/tests/semaphore_batch.rs:97:32
[INFO] [stdout]    |
[INFO] [stdout] 97 |     assert_ready_ok!(acquire_2.poll());
[INFO] [stdout]    |                                ^^^^ method not found in `tokio_test::task::Spawn<_>`
[INFO] [stdout]    |
[INFO] [stdout]    = note: the method was found for
[INFO] [stdout]            - `tokio_test::task::Spawn<T>`
[INFO] [stdout]    = note: `acquire_2` is a function, perhaps you wish to call it
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: no method named `is_woken` found for struct `tokio_test::task::Spawn<_>` in the current scope
[INFO] [stdout]   --> src/sync/tests/semaphore_batch.rs:99:24
[INFO] [stdout]    |
[INFO] [stdout] 99 |     assert!(!acquire_3.is_woken());
[INFO] [stdout]    |                        ^^^^^^^^ method not found in `tokio_test::task::Spawn<_>`
[INFO] [stdout]    |
[INFO] [stdout]    = note: the method was found for
[INFO] [stdout]            - `tokio_test::task::Spawn<T>`
[INFO] [stdout]    = note: `acquire_3` is a function, perhaps you wish to call it
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: no method named `is_woken` found for struct `tokio_test::task::Spawn<_>` in the current scope
[INFO] [stdout]    --> src/sync/tests/semaphore_batch.rs:103:24
[INFO] [stdout]     |
[INFO] [stdout] 103 |     assert!(!acquire_3.is_woken());
[INFO] [stdout]     |                        ^^^^^^^^ method not found in `tokio_test::task::Spawn<_>`
[INFO] [stdout]     |
[INFO] [stdout]     = note: the method was found for
[INFO] [stdout]             - `tokio_test::task::Spawn<T>`
[INFO] [stdout]     = note: `acquire_3` is a function, perhaps you wish to call it
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: no method named `is_woken` found for struct `tokio_test::task::Spawn<_>` in the current scope
[INFO] [stdout]    --> src/sync/tests/semaphore_batch.rs:107:23
[INFO] [stdout]     |
[INFO] [stdout] 107 |     assert!(acquire_3.is_woken());
[INFO] [stdout]     |                       ^^^^^^^^ method not found in `tokio_test::task::Spawn<_>`
[INFO] [stdout]     |
[INFO] [stdout]     = note: the method was found for
[INFO] [stdout]             - `tokio_test::task::Spawn<T>`
[INFO] [stdout]     = note: `acquire_3` is a function, perhaps you wish to call it
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: no method named `poll` found for struct `tokio_test::task::Spawn<_>` in the current scope
[INFO] [stdout]    --> src/sync/tests/semaphore_batch.rs:109:32
[INFO] [stdout]     |
[INFO] [stdout] 109 |     assert_ready_ok!(acquire_3.poll());
[INFO] [stdout]     |                                ^^^^ method not found in `tokio_test::task::Spawn<_>`
[INFO] [stdout]     |
[INFO] [stdout]     = note: the method was found for
[INFO] [stdout]             - `tokio_test::task::Spawn<T>`
[INFO] [stdout]     = note: `acquire_3` is a function, perhaps you wish to call it
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: no method named `poll` found for struct `tokio_test::task::Spawn<_>` in the current scope
[INFO] [stdout]    --> src/sync/tests/semaphore_batch.rs:160:29
[INFO] [stdout]     |
[INFO] [stdout] 160 |     assert_pending!(acquire.poll());
[INFO] [stdout]     |                             ^^^^ method not found in `tokio_test::task::Spawn<_>`
[INFO] [stdout]     |
[INFO] [stdout]     = note: the method was found for
[INFO] [stdout]             - `tokio_test::task::Spawn<T>`
[INFO] [stdout]     = note: `acquire` is a function, perhaps you wish to call it
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: no method named `is_woken` found for struct `tokio_test::task::Spawn<_>` in the current scope
[INFO] [stdout]    --> src/sync/tests/semaphore_batch.rs:164:21
[INFO] [stdout]     |
[INFO] [stdout] 164 |     assert!(acquire.is_woken());
[INFO] [stdout]     |                     ^^^^^^^^ method not found in `tokio_test::task::Spawn<_>`
[INFO] [stdout]     |
[INFO] [stdout]     = note: the method was found for
[INFO] [stdout]             - `tokio_test::task::Spawn<T>`
[INFO] [stdout]     = note: `acquire` is a function, perhaps you wish to call it
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: no method named `poll` found for struct `tokio_test::task::Spawn<_>` in the current scope
[INFO] [stdout]    --> src/sync/tests/semaphore_batch.rs:165:30
[INFO] [stdout]     |
[INFO] [stdout] 165 |     assert_ready_ok!(acquire.poll());
[INFO] [stdout]     |                              ^^^^ method not found in `tokio_test::task::Spawn<_>`
[INFO] [stdout]     |
[INFO] [stdout]     = note: the method was found for
[INFO] [stdout]             - `tokio_test::task::Spawn<T>`
[INFO] [stdout]     = note: `acquire` is a function, perhaps you wish to call it
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: no method named `poll` found for struct `tokio_test::task::Spawn<_>` in the current scope
[INFO] [stdout]    --> src/sync/tests/semaphore_batch.rs:182:49
[INFO] [stdout]     |
[INFO] [stdout] 182 |     assert_ready_err!(task::spawn(s.acquire(1)).poll());
[INFO] [stdout]     |                                                 ^^^^ method not found in `tokio_test::task::Spawn<_>`
[INFO] [stdout]     |
[INFO] [stdout]     = note: the method was found for
[INFO] [stdout]             - `tokio_test::task::Spawn<T>`
[INFO] [stdout]     = note: `task::spawn(s.acquire(1))` is a function, perhaps you wish to call it
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: no method named `poll` found for struct `tokio_test::task::Spawn<_>` in the current scope
[INFO] [stdout]    --> src/sync/tests/semaphore_batch.rs:185:49
[INFO] [stdout]     |
[INFO] [stdout] 185 |     assert_ready_err!(task::spawn(s.acquire(1)).poll());
[INFO] [stdout]     |                                                 ^^^^ method not found in `tokio_test::task::Spawn<_>`
[INFO] [stdout]     |
[INFO] [stdout]     = note: the method was found for
[INFO] [stdout]             - `tokio_test::task::Spawn<T>`
[INFO] [stdout]     = note: `task::spawn(s.acquire(1))` is a function, perhaps you wish to call it
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: no method named `poll` found for struct `tokio_test::task::Spawn<_>` in the current scope
[INFO] [stdout]    --> src/sync/tests/semaphore_batch.rs:194:29
[INFO] [stdout]     |
[INFO] [stdout] 194 |     assert_pending!(acquire.poll());
[INFO] [stdout]     |                             ^^^^ method not found in `tokio_test::task::Spawn<_>`
[INFO] [stdout]     |
[INFO] [stdout]     = note: the method was found for
[INFO] [stdout]             - `tokio_test::task::Spawn<T>`
[INFO] [stdout]     = note: `acquire` is a function, perhaps you wish to call it
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: no method named `is_woken` found for struct `tokio_test::task::Spawn<_>` in the current scope
[INFO] [stdout]    --> src/sync/tests/semaphore_batch.rs:198:21
[INFO] [stdout]     |
[INFO] [stdout] 198 |     assert!(acquire.is_woken());
[INFO] [stdout]     |                     ^^^^^^^^ method not found in `tokio_test::task::Spawn<_>`
[INFO] [stdout]     |
[INFO] [stdout]     = note: the method was found for
[INFO] [stdout]             - `tokio_test::task::Spawn<T>`
[INFO] [stdout]     = note: `acquire` is a function, perhaps you wish to call it
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: no method named `poll` found for struct `tokio_test::task::Spawn<_>` in the current scope
[INFO] [stdout]    --> src/sync/tests/semaphore_batch.rs:199:31
[INFO] [stdout]     |
[INFO] [stdout] 199 |     assert_ready_err!(acquire.poll());
[INFO] [stdout]     |                               ^^^^ method not found in `tokio_test::task::Spawn<_>`
[INFO] [stdout]     |
[INFO] [stdout]     = note: the method was found for
[INFO] [stdout]             - `tokio_test::task::Spawn<T>`
[INFO] [stdout]     = note: `acquire` is a function, perhaps you wish to call it
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: no method named `poll` found for struct `tokio_test::task::Spawn<_>` in the current scope
[INFO] [stdout]    --> src/sync/tests/semaphore_batch.rs:207:48
[INFO] [stdout]     |
[INFO] [stdout] 207 |     assert_ready_ok!(task::spawn(s.acquire(1)).poll());
[INFO] [stdout]     |                                                ^^^^ method not found in `tokio_test::task::Spawn<_>`
[INFO] [stdout]     |
[INFO] [stdout]     = note: the method was found for
[INFO] [stdout]             - `tokio_test::task::Spawn<T>`
[INFO] [stdout]     = note: `task::spawn(s.acquire(1))` is a function, perhaps you wish to call it
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: no method named `poll` found for struct `tokio_test::task::Spawn<_>` in the current scope
[INFO] [stdout]    --> src/sync/tests/semaphore_batch.rs:208:48
[INFO] [stdout]     |
[INFO] [stdout] 208 |     assert_ready_ok!(task::spawn(s.acquire(1)).poll());
[INFO] [stdout]     |                                                ^^^^ method not found in `tokio_test::task::Spawn<_>`
[INFO] [stdout]     |
[INFO] [stdout]     = note: the method was found for
[INFO] [stdout]             - `tokio_test::task::Spawn<T>`
[INFO] [stdout]     = note: `task::spawn(s.acquire(1))` is a function, perhaps you wish to call it
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: no method named `poll` found for struct `tokio_test::task::Spawn<_>` in the current scope
[INFO] [stdout]    --> src/sync/tests/semaphore_batch.rs:212:30
[INFO] [stdout]     |
[INFO] [stdout] 212 |     assert_pending!(acquire3.poll());
[INFO] [stdout]     |                              ^^^^ method not found in `tokio_test::task::Spawn<_>`
[INFO] [stdout]     |
[INFO] [stdout]     = note: the method was found for
[INFO] [stdout]             - `tokio_test::task::Spawn<T>`
[INFO] [stdout]     = note: `acquire3` is a function, perhaps you wish to call it
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: no method named `poll` found for struct `tokio_test::task::Spawn<_>` in the current scope
[INFO] [stdout]    --> src/sync/tests/semaphore_batch.rs:213:30
[INFO] [stdout]     |
[INFO] [stdout] 213 |     assert_pending!(acquire4.poll());
[INFO] [stdout]     |                              ^^^^ method not found in `tokio_test::task::Spawn<_>`
[INFO] [stdout]     |
[INFO] [stdout]     = note: the method was found for
[INFO] [stdout]             - `tokio_test::task::Spawn<T>`
[INFO] [stdout]     = note: `acquire4` is a function, perhaps you wish to call it
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: no method named `is_woken` found for struct `tokio_test::task::Spawn<_>` in the current scope
[INFO] [stdout]    --> src/sync/tests/semaphore_batch.rs:217:22
[INFO] [stdout]     |
[INFO] [stdout] 217 |     assert!(acquire3.is_woken());
[INFO] [stdout]     |                      ^^^^^^^^ method not found in `tokio_test::task::Spawn<_>`
[INFO] [stdout]     |
[INFO] [stdout]     = note: the method was found for
[INFO] [stdout]             - `tokio_test::task::Spawn<T>`
[INFO] [stdout]     = note: `acquire3` is a function, perhaps you wish to call it
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: no method named `is_woken` found for struct `tokio_test::task::Spawn<_>` in the current scope
[INFO] [stdout]    --> src/sync/tests/semaphore_batch.rs:218:22
[INFO] [stdout]     |
[INFO] [stdout] 218 |     assert!(acquire4.is_woken());
[INFO] [stdout]     |                      ^^^^^^^^ method not found in `tokio_test::task::Spawn<_>`
[INFO] [stdout]     |
[INFO] [stdout]     = note: the method was found for
[INFO] [stdout]             - `tokio_test::task::Spawn<T>`
[INFO] [stdout]     = note: `acquire4` is a function, perhaps you wish to call it
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: no method named `poll` found for struct `tokio_test::task::Spawn<_>` in the current scope
[INFO] [stdout]    --> src/sync/tests/semaphore_batch.rs:220:32
[INFO] [stdout]     |
[INFO] [stdout] 220 |     assert_ready_err!(acquire3.poll());
[INFO] [stdout]     |                                ^^^^ method not found in `tokio_test::task::Spawn<_>`
[INFO] [stdout]     |
[INFO] [stdout]     = note: the method was found for
[INFO] [stdout]             - `tokio_test::task::Spawn<T>`
[INFO] [stdout]     = note: `acquire3` is a function, perhaps you wish to call it
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: no method named `poll` found for struct `tokio_test::task::Spawn<_>` in the current scope
[INFO] [stdout]    --> src/sync/tests/semaphore_batch.rs:221:32
[INFO] [stdout]     |
[INFO] [stdout] 221 |     assert_ready_err!(acquire4.poll());
[INFO] [stdout]     |                                ^^^^ method not found in `tokio_test::task::Spawn<_>`
[INFO] [stdout]     |
[INFO] [stdout]     = note: the method was found for
[INFO] [stdout]             - `tokio_test::task::Spawn<T>`
[INFO] [stdout]     = note: `acquire4` is a function, perhaps you wish to call it
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: no method named `poll` found for struct `tokio_test::task::Spawn<_>` in the current scope
[INFO] [stdout]    --> src/sync/tests/semaphore_batch.rs:229:49
[INFO] [stdout]     |
[INFO] [stdout] 229 |     assert_ready_err!(task::spawn(s.acquire(1)).poll());
[INFO] [stdout]     |                                                 ^^^^ method not found in `tokio_test::task::Spawn<_>`
[INFO] [stdout]     |
[INFO] [stdout]     = note: the method was found for
[INFO] [stdout]             - `tokio_test::task::Spawn<T>`
[INFO] [stdout]     = note: `task::spawn(s.acquire(1))` is a function, perhaps you wish to call it
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: no method named `poll` found for struct `tokio_test::task::Spawn<_>` in the current scope
[INFO] [stdout]    --> src/sync/tests/semaphore_batch.rs:243:29
[INFO] [stdout]     |
[INFO] [stdout] 243 |     assert_pending!(acquire.poll());
[INFO] [stdout]     |                             ^^^^ method not found in `tokio_test::task::Spawn<_>`
[INFO] [stdout]     |
[INFO] [stdout]     = note: the method was found for
[INFO] [stdout]             - `tokio_test::task::Spawn<T>`
[INFO] [stdout]     = note: `acquire` is a function, perhaps you wish to call it
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 50 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0425, E0432, E0433, E0599.
[INFO] [stdout] 
[INFO] [stdout] For more information about an error, try `rustc --explain E0425`.
[INFO] [stdout] 
[INFO] [stderr] error: build failed
[INFO] running `Command { std: "docker" "inspect" "811b272e901f5776f020e53909c419c5cc7433a76ba086b4906fa4c8c9e91edb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "811b272e901f5776f020e53909c419c5cc7433a76ba086b4906fa4c8c9e91edb", kill_on_drop: false }`
[INFO] [stdout] 811b272e901f5776f020e53909c419c5cc7433a76ba086b4906fa4c8c9e91edb
