[INFO] fetching crate futures-preview 0.3.0-alpha.19...
[INFO] testing futures-preview-0.3.0-alpha.19 against beta-2020-10-09 for beta-1.48-1
[INFO] extracting crate futures-preview 0.3.0-alpha.19 into /workspace/builds/worker-11/source
[INFO] validating manifest of crates.io crate futures-preview 0.3.0-alpha.19 on toolchain beta-2020-10-09
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-10-09" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate futures-preview 0.3.0-alpha.19
[INFO] finished tweaking crates.io crate futures-preview 0.3.0-alpha.19
[INFO] tweaked toml for crates.io crate futures-preview 0.3.0-alpha.19 written to /workspace/builds/worker-11/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-10-09" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-10-09" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/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" "rustops/crates-build-env@sha256:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-10-09" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] f361a74d45914cc042794bdaee83c0a63cbb9b8c8819ee858c0a7aa3dd1c1e69
[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" "f361a74d45914cc042794bdaee83c0a63cbb9b8c8819ee858c0a7aa3dd1c1e69", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "f361a74d45914cc042794bdaee83c0a63cbb9b8c8819ee858c0a7aa3dd1c1e69", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f361a74d45914cc042794bdaee83c0a63cbb9b8c8819ee858c0a7aa3dd1c1e69", kill_on_drop: false }`
[INFO] [stdout] f361a74d45914cc042794bdaee83c0a63cbb9b8c8819ee858c0a7aa3dd1c1e69
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/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" "rustops/crates-build-env@sha256:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-10-09" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 7ff1d5517661fcc471fa4e7d72bfd146ee73c78646bf39847de1f68a8f184a1d
[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" "7ff1d5517661fcc471fa4e7d72bfd146ee73c78646bf39847de1f68a8f184a1d", kill_on_drop: false }`
[INFO] [stderr]    Compiling futures-sink-preview v0.3.0-alpha.19
[INFO] [stderr]    Compiling futures-core-preview v0.3.0-alpha.19
[INFO] [stderr]    Compiling futures-io-preview v0.3.0-alpha.19
[INFO] [stderr]    Compiling futures-channel-preview v0.3.0-alpha.19
[INFO] [stderr]    Compiling futures-util-preview v0.3.0-alpha.19
[INFO] [stderr]    Compiling futures-executor-preview v0.3.0-alpha.19
[INFO] [stderr]    Compiling futures-preview v0.3.0-alpha.19 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 5.56s
[INFO] running `Command { std: "docker" "inspect" "7ff1d5517661fcc471fa4e7d72bfd146ee73c78646bf39847de1f68a8f184a1d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7ff1d5517661fcc471fa4e7d72bfd146ee73c78646bf39847de1f68a8f184a1d", kill_on_drop: false }`
[INFO] [stdout] 7ff1d5517661fcc471fa4e7d72bfd146ee73c78646bf39847de1f68a8f184a1d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/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" "rustops/crates-build-env@sha256:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-10-09" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 5d93997b1e9f65f932e2480706c4dc591307586cdd0ef1a6af56f7332723e281
[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" "5d93997b1e9f65f932e2480706c4dc591307586cdd0ef1a6af56f7332723e281", kill_on_drop: false }`
[INFO] [stderr]    Compiling futures-preview v0.3.0-alpha.19 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared crate or module `futures_test`
[INFO] [stdout]  --> tests/io_buf_writer.rs:5:5
[INFO] [stdout]   |
[INFO] [stdout] 5 | use futures_test::task::noop_context;
[INFO] [stdout]   |     ^^^^^^^^^^^^ use of undeclared crate or module `futures_test`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: cannot find macro `poll` in this scope
[INFO] [stdout]   --> tests/macro_comma_support.rs:21:17
[INFO] [stdout]    |
[INFO] [stdout] 21 |         let _ = poll!(async {}.boxed(),);
[INFO] [stdout]    |                 ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared crate or module `futures_test`
[INFO] [stdout]  --> tests/unfold.rs:4:5
[INFO] [stdout]   |
[INFO] [stdout] 4 | use futures_test::future::FutureTestExt;
[INFO] [stdout]   |     ^^^^^^^^^^^^ use of undeclared crate or module `futures_test`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: cannot find macro `join` in this scope
[INFO] [stdout]   --> tests/macro_comma_support.rs:30:9
[INFO] [stdout]    |
[INFO] [stdout] 30 |         join!(future1, future2,);
[INFO] [stdout]    |         ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: cannot find macro `try_join` in this scope
[INFO] [stdout]   --> tests/macro_comma_support.rs:39:9
[INFO] [stdout]    |
[INFO] [stdout] 39 |         try_join!(future1, future2,)
[INFO] [stdout]    |         ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0432]: unresolved import `futures_test`
[INFO] [stdout]  --> tests/unfold.rs:5:5
[INFO] [stdout]   |
[INFO] [stdout] 5 | use futures_test::{
[INFO] [stdout]   |     ^^^^^^^^^^^^ use of undeclared crate or module `futures_test`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: cannot determine resolution for the macro `assert_stream_pending`
[INFO] [stdout]   --> tests/unfold.rs:21:5
[INFO] [stdout]    |
[INFO] [stdout] 21 |     assert_stream_pending!(stream);
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: import resolution is stuck, try simplifying macro imports
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: cannot determine resolution for the macro `assert_stream_next`
[INFO] [stdout]   --> tests/unfold.rs:23:5
[INFO] [stdout]    |
[INFO] [stdout] 23 |     assert_stream_next!(stream, 0);
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: import resolution is stuck, try simplifying macro imports
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: cannot determine resolution for the macro `assert_stream_pending`
[INFO] [stdout]   --> tests/unfold.rs:26:5
[INFO] [stdout]    |
[INFO] [stdout] 26 |     assert_stream_pending!(stream);
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: import resolution is stuck, try simplifying macro imports
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: cannot determine resolution for the macro `assert_stream_next`
[INFO] [stdout]   --> tests/unfold.rs:27:5
[INFO] [stdout]    |
[INFO] [stdout] 27 |     assert_stream_next!(stream, 2);
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: import resolution is stuck, try simplifying macro imports
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: cannot determine resolution for the macro `assert_stream_pending`
[INFO] [stdout]   --> tests/unfold.rs:29:5
[INFO] [stdout]    |
[INFO] [stdout] 29 |     assert_stream_pending!(stream);
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: import resolution is stuck, try simplifying macro imports
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: cannot determine resolution for the macro `assert_stream_next`
[INFO] [stdout]   --> tests/unfold.rs:30:5
[INFO] [stdout]    |
[INFO] [stdout] 30 |     assert_stream_next!(stream, 4);
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: import resolution is stuck, try simplifying macro imports
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: cannot determine resolution for the macro `assert_stream_pending`
[INFO] [stdout]   --> tests/unfold.rs:33:5
[INFO] [stdout]    |
[INFO] [stdout] 33 |     assert_stream_pending!(stream);
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: import resolution is stuck, try simplifying macro imports
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: cannot determine resolution for the macro `assert_stream_done`
[INFO] [stdout]   --> tests/unfold.rs:34:5
[INFO] [stdout]    |
[INFO] [stdout] 34 |     assert_stream_done!(stream);
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: import resolution is stuck, try simplifying macro imports
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared crate or module `futures_test`
[INFO] [stdout]  --> tests/stream_select_next_some.rs:5:5
[INFO] [stdout]   |
[INFO] [stdout] 5 | use futures_test::future::FutureTestExt;
[INFO] [stdout]   |     ^^^^^^^^^^^^ use of undeclared crate or module `futures_test`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared crate or module `futures_test`
[INFO] [stdout]  --> tests/stream_select_next_some.rs:6:5
[INFO] [stdout]   |
[INFO] [stdout] 6 | use futures_test::task::new_count_waker;
[INFO] [stdout]   |     ^^^^^^^^^^^^ use of undeclared crate or module `futures_test`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0432]: unresolved import `futures::select`
[INFO] [stdout]  --> tests/stream_select_next_some.rs:1:23
[INFO] [stdout]   |
[INFO] [stdout] 1 | use futures::{future, select};
[INFO] [stdout]   |                       ^^^^^^ no `select` in the root
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0432]: unresolved import `futures_util::select`
[INFO] [stdout]   --> tests/stream_select_next_some.rs:61:9
[INFO] [stdout]    |
[INFO] [stdout] 61 |     use futures_util::select;
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^^^ no `select` in the root
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: cannot determine resolution for the macro `select`
[INFO] [stdout]   --> tests/stream_select_next_some.rs:43:13
[INFO] [stdout]    |
[INFO] [stdout] 43 |             select! {
[INFO] [stdout]    |             ^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: import resolution is stuck, try simplifying macro imports
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: cannot determine resolution for the macro `select`
[INFO] [stdout]   --> tests/stream_select_next_some.rs:72:13
[INFO] [stdout]    |
[INFO] [stdout] 72 |             select! {
[INFO] [stdout]    |             ^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: import resolution is stuck, try simplifying macro imports
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0425]: cannot find function `new_count_waker` in this scope
[INFO] [stdout]   --> tests/stream_select_next_some.rs:10:28
[INFO] [stdout]    |
[INFO] [stdout] 10 |     let (waker, counter) = new_count_waker();
[INFO] [stdout]    |                            ^^^^^^^^^^^^^^^ not found in this scope
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared crate or module `futures_test`
[INFO] [stdout]  --> tests/futures_unordered.rs:6:5
[INFO] [stdout]   |
[INFO] [stdout] 6 | use futures_test::future::FutureTestExt;
[INFO] [stdout]   |     ^^^^^^^^^^^^ use of undeclared crate or module `futures_test`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared crate or module `futures_test`
[INFO] [stdout]  --> tests/futures_unordered.rs:7:5
[INFO] [stdout]   |
[INFO] [stdout] 7 | use futures_test::task::noop_context;
[INFO] [stdout]   |     ^^^^^^^^^^^^ use of undeclared crate or module `futures_test`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0432]: unresolved import `futures_test`
[INFO] [stdout]  --> tests/futures_unordered.rs:8:5
[INFO] [stdout]   |
[INFO] [stdout] 8 | use futures_test::{assert_stream_done, assert_stream_next};
[INFO] [stdout]   |     ^^^^^^^^^^^^ use of undeclared crate or module `futures_test`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: cannot determine resolution for the macro `assert_stream_next`
[INFO] [stdout]    --> tests/futures_unordered.rs:173:5
[INFO] [stdout]     |
[INFO] [stdout] 173 |     assert_stream_next!(stream, ());
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: import resolution is stuck, try simplifying macro imports
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: cannot determine resolution for the macro `assert_stream_next`
[INFO] [stdout]    --> tests/futures_unordered.rs:174:5
[INFO] [stdout]     |
[INFO] [stdout] 174 |     assert_stream_next!(stream, ());
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: import resolution is stuck, try simplifying macro imports
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: cannot determine resolution for the macro `assert_stream_next`
[INFO] [stdout]    --> tests/futures_unordered.rs:175:5
[INFO] [stdout]     |
[INFO] [stdout] 175 |     assert_stream_next!(stream, ());
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: import resolution is stuck, try simplifying macro imports
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: cannot determine resolution for the macro `assert_stream_done`
[INFO] [stdout]    --> tests/futures_unordered.rs:176:5
[INFO] [stdout]     |
[INFO] [stdout] 176 |     assert_stream_done!(stream);
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: import resolution is stuck, try simplifying macro imports
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared crate or module `futures_test`
[INFO] [stdout]  --> tests/oneshot.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | use futures_test::future::FutureTestExt;
[INFO] [stdout]   |     ^^^^^^^^^^^^ use of undeclared crate or module `futures_test`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0425]: cannot find function `noop_context` in this scope
[INFO] [stdout]   --> tests/futures_unordered.rs:12:18
[INFO] [stdout]    |
[INFO] [stdout] 12 |     let mut cx = noop_context();
[INFO] [stdout]    |                  ^^^^^^^^^^^^ not found in this scope
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0425]: cannot find function `noop_context` in this scope
[INFO] [stdout]   --> tests/futures_unordered.rs:75:18
[INFO] [stdout]    |
[INFO] [stdout] 75 |     let mut cx = noop_context();
[INFO] [stdout]    |                  ^^^^^^^^^^^^ not found in this scope
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0425]: cannot find function `noop_context` in this scope
[INFO] [stdout]    --> tests/futures_unordered.rs:108:19
[INFO] [stdout]     |
[INFO] [stdout] 108 |     let cx = &mut noop_context();
[INFO] [stdout]     |                   ^^^^^^^^^^^^ not found in this scope
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 3 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared crate or module `futures_test`
[INFO] [stdout]  --> tests/sink.rs:9:5
[INFO] [stdout]   |
[INFO] [stdout] 9 | use futures_test::task::panic_context;
[INFO] [stdout]   |     ^^^^^^^^^^^^ use of undeclared crate or module `futures_test`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0425]: cannot find function `noop_context` in this scope
[INFO] [stdout]    --> tests/io_buf_writer.rs:112:18
[INFO] [stdout]     |
[INFO] [stdout] 112 |     let mut cx = noop_context();
[INFO] [stdout]     |                  ^^^^^^^^^^^^ not found in this scope
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `futures-preview`
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] error[E0425]: cannot find function `panic_context` in this scope
[INFO] [stdout]   --> tests/sink.rs:24:34
[INFO] [stdout]    |
[INFO] [stdout] 24 |     match s.poll_next_unpin(&mut panic_context()) {
[INFO] [stdout]    |                                  ^^^^^^^^^^^^^ not found in this scope
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0425]: cannot find function `panic_context` in this scope
[INFO] [stdout]    --> tests/sink.rs:453:23
[INFO] [stdout]     |
[INFO] [stdout] 453 |         let cx = &mut panic_context();
[INFO] [stdout]     |                       ^^^^^^^^^^^^^ not found in this scope
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0425]: cannot find function `panic_context` in this scope
[INFO] [stdout]    --> tests/sink.rs:479:23
[INFO] [stdout]     |
[INFO] [stdout] 479 |         let cx = &mut panic_context();
[INFO] [stdout]     |                       ^^^^^^^^^^^^^ not found in this scope
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: no method named `pending_once` found for struct `futures::future::Ready<Option<({integer}, {integer})>>` in the current scope
[INFO] [stdout]   --> tests/unfold.rs:13:57
[INFO] [stdout]    |
[INFO] [stdout] 13 |             future::ready(Some((state * 2, state + 1))).pending_once()
[INFO] [stdout]    |                                                         ^^^^^^^^^^^^ method not found in `futures::future::Ready<Option<({integer}, {integer})>>`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: no method named `pending_once` found for struct `futures::future::Ready<Option<_>>` in the current scope
[INFO] [stdout]   --> tests/unfold.rs:15:33
[INFO] [stdout]    |
[INFO] [stdout] 15 |             future::ready(None).pending_once()
[INFO] [stdout]    |                                 ^^^^^^^^^^^^ method not found in `futures::future::Ready<Option<_>>`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 12 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0432, E0433, E0599.
[INFO] [stdout] 
[INFO] [stdout] For more information about an error, try `rustc --explain E0432`.
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: no method named `pending_once` found for struct `futures::future::Ready<()>` in the current scope
[INFO] [stdout]    --> tests/futures_unordered.rs:171:33
[INFO] [stdout]     |
[INFO] [stdout] 171 |     let fut = future::ready(()).pending_once().assert_unmoved();
[INFO] [stdout]     |                                 ^^^^^^^^^^^^ method not found in `futures::future::Ready<()>`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: no method named `pending_once` found for struct `futures::future::Ready<{integer}>` in the current scope
[INFO] [stdout]   --> tests/stream_select_next_some.rs:39:40
[INFO] [stdout]    |
[INFO] [stdout] 39 |         let mut fut = future::ready(1).pending_once();
[INFO] [stdout]    |                                        ^^^^^^^^^^^^ method not found in `futures::future::Ready<{integer}>`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unreachable statement
[INFO] [stdout]   --> tests/stream_select_next_some.rs:54:9
[INFO] [stdout]    |
[INFO] [stdout] 42 | /         loop {
[INFO] [stdout] 43 | |             select! {
[INFO] [stdout] 44 | |                 num = fut => {
[INFO] [stdout] 45 | |                     total += num;
[INFO] [stdout] ...  |
[INFO] [stdout] 52 | |             }
[INFO] [stdout] 53 | |         }
[INFO] [stdout]    | |_________- any code following this expression is unreachable
[INFO] [stdout] 54 |           assert_eq!(total, 6);
[INFO] [stdout]    |           ^^^^^^^^^^^^^^^^^^^^^ unreachable statement
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unreachable_code)]` on by default
[INFO] [stdout]    = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 11 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] [stdout] error[E0599]: no method named `run_in_background` found for struct `futures::future::MapOk<futures::channel::oneshot::Receiver<i32>, [closure@tests/oneshot.rs:13:16: 13:36]>` in the current scope
[INFO] [stdout]   --> tests/oneshot.rs:13:38
[INFO] [stdout]    |
[INFO] [stdout] 13 |     rx1.map_ok(move |x| tx2.send(x)).run_in_background();
[INFO] [stdout]    |                                      ^^^^^^^^^^^^^^^^^ method not found in `futures::future::MapOk<futures::channel::oneshot::Receiver<i32>, [closure@tests/oneshot.rs:13:16: 13:36]>`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: no method named `pending_once` found for struct `futures::future::Ready<{integer}>` in the current scope
[INFO] [stdout]   --> tests/stream_select_next_some.rs:68:40
[INFO] [stdout]    |
[INFO] [stdout] 68 |         let mut fut = future::ready(1).pending_once();
[INFO] [stdout]    |                                        ^^^^^^^^^^^^ method not found in `futures::future::Ready<{integer}>`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unreachable statement
[INFO] [stdout]   --> tests/stream_select_next_some.rs:83:9
[INFO] [stdout]    |
[INFO] [stdout] 71 | /         loop {
[INFO] [stdout] 72 | |             select! {
[INFO] [stdout] 73 | |                 num = fut => {
[INFO] [stdout] 74 | |                     total += num;
[INFO] [stdout] ...  |
[INFO] [stdout] 81 | |             }
[INFO] [stdout] 82 | |         }
[INFO] [stdout]    | |_________- any code following this expression is unreachable
[INFO] [stdout] 83 |           assert_eq!(total, 6);
[INFO] [stdout]    |           ^^^^^^^^^^^^^^^^^^^^^ unreachable statement
[INFO] [stdout]    |
[INFO] [stdout]    = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: no method named `run_in_background` found for struct `futures::future::MapOk<futures::channel::oneshot::Receiver<i32>, [closure@tests/oneshot.rs:24:16: 24:45]>` in the current scope
[INFO] [stdout]   --> tests/oneshot.rs:24:47
[INFO] [stdout]    |
[INFO] [stdout] 24 |     rx1.map_ok(move |x| tx2.send(x).unwrap()).run_in_background();
[INFO] [stdout]    |                                               ^^^^^^^^^^^^^^^^^ method not found in `futures::future::MapOk<futures::channel::oneshot::Receiver<i32>, [closure@tests/oneshot.rs:24:16: 24:45]>`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: no method named `run_in_background` found for struct `futures::future::MapOk<futures::channel::oneshot::Receiver<i32>, [closure@tests/oneshot.rs:33:16: 33:45]>` in the current scope
[INFO] [stdout]   --> tests/oneshot.rs:33:47
[INFO] [stdout]    |
[INFO] [stdout] 33 |     rx1.map_ok(move |x| tx2.send(x).unwrap()).run_in_background();
[INFO] [stdout]    |                                               ^^^^^^^^^^^^^^^^^ method not found in `futures::future::MapOk<futures::channel::oneshot::Receiver<i32>, [closure@tests/oneshot.rs:33:16: 33:45]>`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 9 previous errors; 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: no method named `run_in_background` found for struct `futures::future::Map<futures::channel::oneshot::Receiver<i32>, [closure@tests/oneshot.rs:44:13: 44:52]>` in the current scope
[INFO] [stdout]   --> tests/oneshot.rs:44:54
[INFO] [stdout]    |
[INFO] [stdout] 44 |     rx1.map(move |result| tx2.send(result).unwrap()).run_in_background();
[INFO] [stdout]    |                                                      ^^^^^^^^^^^^^^^^^ method not found in `futures::future::Map<futures::channel::oneshot::Receiver<i32>, [closure@tests/oneshot.rs:44:13: 44:52]>`
[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] [stdout] error[E0599]: no method named `run_in_background` found for struct `futures::future::Map<futures::channel::oneshot::Receiver<i32>, [closure@tests/oneshot.rs:55:13: 55:52]>` in the current scope
[INFO] [stdout]   --> tests/oneshot.rs:55:54
[INFO] [stdout]    |
[INFO] [stdout] 55 |     rx1.map(move |result| tx2.send(result).unwrap()).run_in_background();
[INFO] [stdout]    |                                                      ^^^^^^^^^^^^^^^^^ method not found in `futures::future::Map<futures::channel::oneshot::Receiver<i32>, [closure@tests/oneshot.rs:55:13: 55:52]>`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 6 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0433, E0599.
[INFO] [stdout] 
[INFO] [stdout] For more information about an error, try `rustc --explain E0433`.
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 2 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0425, E0433.
[INFO] [stdout] 
[INFO] [stdout] For more information about an error, try `rustc --explain E0425`.
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 4 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0425, E0433.
[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" "5d93997b1e9f65f932e2480706c4dc591307586cdd0ef1a6af56f7332723e281", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5d93997b1e9f65f932e2480706c4dc591307586cdd0ef1a6af56f7332723e281", kill_on_drop: false }`
[INFO] [stdout] 5d93997b1e9f65f932e2480706c4dc591307586cdd0ef1a6af56f7332723e281
