[INFO] fetching crate futures 0.3.8...
[INFO] checking futures-0.3.8 against master#a609fb45efad59dfd459c76e50899be9f0583b5a for pr-80579
[INFO] extracting crate futures 0.3.8 into /workspace/builds/worker-7/source
[INFO] validating manifest of crates.io crate futures 0.3.8 on toolchain a609fb45efad59dfd459c76e50899be9f0583b5a
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a609fb45efad59dfd459c76e50899be9f0583b5a" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate futures 0.3.8
[INFO] finished tweaking crates.io crate futures 0.3.8
[INFO] tweaked toml for crates.io crate futures 0.3.8 written to /workspace/builds/worker-7/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a609fb45efad59dfd459c76e50899be9f0583b5a" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a609fb45efad59dfd459c76e50899be9f0583b5a" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+a609fb45efad59dfd459c76e50899be9f0583b5a" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 76327d95096dfc9142b06c3ad48ccdc901bba75a6a1414e83a76e3fe363796bb
[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" "76327d95096dfc9142b06c3ad48ccdc901bba75a6a1414e83a76e3fe363796bb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "76327d95096dfc9142b06c3ad48ccdc901bba75a6a1414e83a76e3fe363796bb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "76327d95096dfc9142b06c3ad48ccdc901bba75a6a1414e83a76e3fe363796bb", kill_on_drop: false }`
[INFO] [stdout] 76327d95096dfc9142b06c3ad48ccdc901bba75a6a1414e83a76e3fe363796bb
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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" "rustops/crates-build-env@sha256:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+a609fb45efad59dfd459c76e50899be9f0583b5a" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 8805d76f97c202d3d4d6c4bff604670bd32643ca801813647fd0b7e416b6849c
[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" "8805d76f97c202d3d4d6c4bff604670bd32643ca801813647fd0b7e416b6849c", kill_on_drop: false }`
[INFO] [stderr]     Checking futures-core v0.3.8
[INFO] [stderr]     Checking futures-channel v0.3.8
[INFO] [stderr]     Checking futures-util v0.3.8
[INFO] [stderr]     Checking futures-executor v0.3.8
[INFO] [stderr]     Checking futures v0.3.8 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared crate or module `futures_test`
[INFO] [stdout]   --> tests/io_write.rs:41:9
[INFO] [stdout]    |
[INFO] [stdout] 41 |     use futures_test::task::panic_context;
[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/io_write.rs:65:9
[INFO] [stdout]    |
[INFO] [stdout] 65 |     use futures_test::task::panic_context;
[INFO] [stdout]    |         ^^^^^^^^^^^^ use of undeclared crate or module `futures_test`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: `futures` tests must have all stable features activated: use `--all-features` or `--features default,thread-pool,io-compat`
[INFO] [stdout]  --> tests/_require_features.rs:6:1
[INFO] [stdout]   |
[INFO] [stdout] 6 | / compile_error!("`futures` tests must have all stable features activated: \
[INFO] [stdout] 7 | |     use `--all-features` or `--features default,thread-pool,io-compat`"
[INFO] [stdout] 8 | | );
[INFO] [stdout]   | |__^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to previous error
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `futures`
[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/io_write.rs:52:19
[INFO] [stdout]    |
[INFO] [stdout] 52 |     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/io_write.rs:76:19
[INFO] [stdout]    |
[INFO] [stdout] 76 |     let cx = &mut panic_context();
[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/try_stream.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[E0433]: failed to resolve: use of undeclared crate or module `futures_test`
[INFO] [stdout]  --> tests/io_lines.rs:5:13
[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[E0433]: failed to resolve: use of undeclared crate or module `futures_test`
[INFO] [stdout]   --> tests/io_lines.rs:46:9
[INFO] [stdout]    |
[INFO] [stdout] 46 |     use futures_test::io::AsyncReadTestExt;
[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:7:9
[INFO] [stdout]   |
[INFO] [stdout] 7 |     use futures_test::task::new_count_waker;
[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:35:9
[INFO] [stdout]    |
[INFO] [stdout] 35 |     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:66:9
[INFO] [stdout]    |
[INFO] [stdout] 66 |     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/io_buf_writer.rs:49:13
[INFO] [stdout]    |
[INFO] [stdout] 49 |         use futures_test::task::noop_context;
[INFO] [stdout]    |             ^^^^^^^^^^^^ use of undeclared crate or module `futures_test`
[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:9:28
[INFO] [stdout]   |
[INFO] [stdout] 9 |     let (waker, counter) = new_count_waker();
[INFO] [stdout]   |                            ^^^^^^^^^^^^^^^ not found in this scope
[INFO] [stdout] 
[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] [stdout] error[E0433]: failed to resolve: use of undeclared crate or module `futures_test`
[INFO] [stdout]  --> tests/basic_combinators.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | 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/io_lines.rs:9:22
[INFO] [stdout]   |
[INFO] [stdout] 9 |         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/try_stream.rs:9:19
[INFO] [stdout]   |
[INFO] [stdout] 9 |     let cx = &mut 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/try_stream.rs:20:19
[INFO] [stdout]    |
[INFO] [stdout] 20 |     let cx = &mut 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/try_stream.rs:31:19
[INFO] [stdout]    |
[INFO] [stdout] 31 |     let cx = &mut 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/io_buf_writer.rs:51:22
[INFO] [stdout]    |
[INFO] [stdout] 51 |         let mut cx = noop_context();
[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/sink.rs:4:9
[INFO] [stdout]   |
[INFO] [stdout] 4 |     use futures_test::task::panic_context;
[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/sink.rs:595:9
[INFO] [stdout]     |
[INFO] [stdout] 595 |     use futures_test::task::panic_context;
[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/io_read_to_string.rs:26:9
[INFO] [stdout]    |
[INFO] [stdout] 26 |     use futures_test::io::AsyncReadTestExt;
[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/io_read_to_string.rs:30:13
[INFO] [stdout]    |
[INFO] [stdout] 30 |         use futures_test::task::noop_context;
[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/sink.rs:618:9
[INFO] [stdout]     |
[INFO] [stdout] 618 |     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_read_to_string.rs:33:22
[INFO] [stdout]    |
[INFO] [stdout] 33 |         let mut cx = noop_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:12:38
[INFO] [stdout]    |
[INFO] [stdout] 12 |         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:599:23
[INFO] [stdout]     |
[INFO] [stdout] 599 |         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:631:23
[INFO] [stdout]     |
[INFO] [stdout] 631 |         let cx = &mut panic_context();
[INFO] [stdout]     |                       ^^^^^^^^^^^^^ not found in this scope
[INFO] [stdout] 
[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] [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:42:40
[INFO] [stdout]    |
[INFO] [stdout] 42 |         let mut fut = future::ready(1).pending_once();
[INFO] [stdout]    |                                        ^^^^^^^^^^^^ method not found in `futures::future::Ready<{integer}>`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0698]: type inside `async` block must be known in this context
[INFO] [stdout]   --> tests/stream_select_next_some.rs:43:13
[INFO] [stdout]    |
[INFO] [stdout] 43 |         let mut async_tasks = FuturesUnordered::new();
[INFO] [stdout]    |             ^^^^^^^^^^^^^^^ cannot infer type for type `{integer}`
[INFO] [stdout]    |
[INFO] [stdout] note: the type is part of the `async` block because of this `await`
[INFO] [stdout]   --> tests/stream_select_next_some.rs:46:13
[INFO] [stdout]    |
[INFO] [stdout] 46 | /             select! {
[INFO] [stdout] 47 | |                 num = fut => {
[INFO] [stdout] 48 | |                     total += num;
[INFO] [stdout] 49 | |                     async_tasks.push(async { 5 });
[INFO] [stdout] ...  |
[INFO] [stdout] 54 | |                 complete => break,
[INFO] [stdout] 55 | |             }
[INFO] [stdout]    | |_____________^
[INFO] [stdout]    = note: this error 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 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[E0698]: type inside `async` block must be known in this context
[INFO] [stdout]   --> tests/stream_select_next_some.rs:44:13
[INFO] [stdout]    |
[INFO] [stdout] 44 |         let mut total = 0;
[INFO] [stdout]    |             ^^^^^^^^^ cannot infer type for type `{integer}`
[INFO] [stdout]    |
[INFO] [stdout] note: the type is part of the `async` block because of this `await`
[INFO] [stdout]   --> tests/stream_select_next_some.rs:46:13
[INFO] [stdout]    |
[INFO] [stdout] 46 | /             select! {
[INFO] [stdout] 47 | |                 num = fut => {
[INFO] [stdout] 48 | |                     total += num;
[INFO] [stdout] 49 | |                     async_tasks.push(async { 5 });
[INFO] [stdout] ...  |
[INFO] [stdout] 54 | |                 complete => break,
[INFO] [stdout] 55 | |             }
[INFO] [stdout]    | |_____________^
[INFO] [stdout]    = note: this error originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0698]: type inside `async` block must be known in this context
[INFO] [stdout]   --> tests/stream_select_next_some.rs:46:13
[INFO] [stdout]    |
[INFO] [stdout] 46 | /             select! {
[INFO] [stdout] 47 | |                 num = fut => {
[INFO] [stdout] 48 | |                     total += num;
[INFO] [stdout] 49 | |                     async_tasks.push(async { 5 });
[INFO] [stdout] ...  |
[INFO] [stdout] 54 | |                 complete => break,
[INFO] [stdout] 55 | |             }
[INFO] [stdout]    | |_____________^ cannot infer type for type `{integer}`
[INFO] [stdout]    |
[INFO] [stdout] note: the type is part of the `async` block because of this `await`
[INFO] [stdout]   --> tests/stream_select_next_some.rs:46:13
[INFO] [stdout]    |
[INFO] [stdout] 46 | /             select! {
[INFO] [stdout] 47 | |                 num = fut => {
[INFO] [stdout] 48 | |                     total += num;
[INFO] [stdout] 49 | |                     async_tasks.push(async { 5 });
[INFO] [stdout] ...  |
[INFO] [stdout] 54 | |                 complete => break,
[INFO] [stdout] 55 | |             }
[INFO] [stdout]    | |_____________^
[INFO] [stdout]    = note: this error originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0698]: type inside `async` block must be known in this context
[INFO] [stdout]   --> tests/stream_select_next_some.rs:46:13
[INFO] [stdout]    |
[INFO] [stdout] 46 | /             select! {
[INFO] [stdout] 47 | |                 num = fut => {
[INFO] [stdout] 48 | |                     total += num;
[INFO] [stdout] 49 | |                     async_tasks.push(async { 5 });
[INFO] [stdout] ...  |
[INFO] [stdout] 54 | |                 complete => break,
[INFO] [stdout] 55 | |             }
[INFO] [stdout]    | |_____________^ cannot infer type for type `{integer}`
[INFO] [stdout]    |
[INFO] [stdout] note: the type is part of the `async` block because of this `await`
[INFO] [stdout]   --> tests/stream_select_next_some.rs:46:13
[INFO] [stdout]    |
[INFO] [stdout] 46 | /             select! {
[INFO] [stdout] 47 | |                 num = fut => {
[INFO] [stdout] 48 | |                     total += num;
[INFO] [stdout] 49 | |                     async_tasks.push(async { 5 });
[INFO] [stdout] ...  |
[INFO] [stdout] 54 | |                 complete => break,
[INFO] [stdout] 55 | |             }
[INFO] [stdout]    | |_____________^
[INFO] [stdout]    = note: this error 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 `pending_once` found for struct `futures::future::Ready<{integer}>` in the current scope
[INFO] [stdout]   --> tests/stream_select_next_some.rs:75:40
[INFO] [stdout]    |
[INFO] [stdout] 75 |         let mut fut = future::ready(1).pending_once();
[INFO] [stdout]    |                                        ^^^^^^^^^^^^ method not found in `futures::future::Ready<{integer}>`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0698]: type inside `async` block must be known in this context
[INFO] [stdout]   --> tests/stream_select_next_some.rs:76:13
[INFO] [stdout]    |
[INFO] [stdout] 76 |         let mut async_tasks = FuturesUnordered::new();
[INFO] [stdout]    |             ^^^^^^^^^^^^^^^ cannot infer type for type `{integer}`
[INFO] [stdout]    |
[INFO] [stdout] note: the type is part of the `async` block because of this `await`
[INFO] [stdout]   --> tests/stream_select_next_some.rs:79:13
[INFO] [stdout]    |
[INFO] [stdout] 79 | /             select! {
[INFO] [stdout] 80 | |                 num = fut => {
[INFO] [stdout] 81 | |                     total += num;
[INFO] [stdout] 82 | |                     async_tasks.push(async { 5 });
[INFO] [stdout] ...  |
[INFO] [stdout] 87 | |                 complete => break,
[INFO] [stdout] 88 | |             }
[INFO] [stdout]    | |_____________^
[INFO] [stdout]    = note: this error originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0698]: type inside `async` block must be known in this context
[INFO] [stdout]   --> tests/stream_select_next_some.rs:77:13
[INFO] [stdout]    |
[INFO] [stdout] 77 |         let mut total = 0;
[INFO] [stdout]    |             ^^^^^^^^^ cannot infer type for type `{integer}`
[INFO] [stdout]    |
[INFO] [stdout] note: the type is part of the `async` block because of this `await`
[INFO] [stdout]   --> tests/stream_select_next_some.rs:79:13
[INFO] [stdout]    |
[INFO] [stdout] 79 | /             select! {
[INFO] [stdout] 80 | |                 num = fut => {
[INFO] [stdout] 81 | |                     total += num;
[INFO] [stdout] 82 | |                     async_tasks.push(async { 5 });
[INFO] [stdout] ...  |
[INFO] [stdout] 87 | |                 complete => break,
[INFO] [stdout] 88 | |             }
[INFO] [stdout]    | |_____________^
[INFO] [stdout]    = note: this error originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0698]: type inside `async` block must be known in this context
[INFO] [stdout]   --> tests/stream_select_next_some.rs:79:13
[INFO] [stdout]    |
[INFO] [stdout] 79 | /             select! {
[INFO] [stdout] 80 | |                 num = fut => {
[INFO] [stdout] 81 | |                     total += num;
[INFO] [stdout] 82 | |                     async_tasks.push(async { 5 });
[INFO] [stdout] ...  |
[INFO] [stdout] 87 | |                 complete => break,
[INFO] [stdout] 88 | |             }
[INFO] [stdout]    | |_____________^ cannot infer type for type `{integer}`
[INFO] [stdout]    |
[INFO] [stdout] note: the type is part of the `async` block because of this `await`
[INFO] [stdout]   --> tests/stream_select_next_some.rs:79:13
[INFO] [stdout]    |
[INFO] [stdout] 79 | /             select! {
[INFO] [stdout] 80 | |                 num = fut => {
[INFO] [stdout] 81 | |                     total += num;
[INFO] [stdout] 82 | |                     async_tasks.push(async { 5 });
[INFO] [stdout] ...  |
[INFO] [stdout] 87 | |                 complete => break,
[INFO] [stdout] 88 | |             }
[INFO] [stdout]    | |_____________^
[INFO] [stdout]    = note: this error originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0698]: type inside `async` block must be known in this context
[INFO] [stdout]   --> tests/stream_select_next_some.rs:79:13
[INFO] [stdout]    |
[INFO] [stdout] 79 | /             select! {
[INFO] [stdout] 80 | |                 num = fut => {
[INFO] [stdout] 81 | |                     total += num;
[INFO] [stdout] 82 | |                     async_tasks.push(async { 5 });
[INFO] [stdout] ...  |
[INFO] [stdout] 87 | |                 complete => break,
[INFO] [stdout] 88 | |             }
[INFO] [stdout]    | |_____________^ cannot infer type for type `{integer}`
[INFO] [stdout]    |
[INFO] [stdout] note: the type is part of the `async` block because of this `await`
[INFO] [stdout]   --> tests/stream_select_next_some.rs:79:13
[INFO] [stdout]    |
[INFO] [stdout] 79 | /             select! {
[INFO] [stdout] 80 | |                 num = fut => {
[INFO] [stdout] 81 | |                     total += num;
[INFO] [stdout] 82 | |                     async_tasks.push(async { 5 });
[INFO] [stdout] ...  |
[INFO] [stdout] 87 | |                 complete => break,
[INFO] [stdout] 88 | |             }
[INFO] [stdout]    | |_____________^
[INFO] [stdout]    = note: this error 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 14 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0425, E0433, E0599, E0698.
[INFO] [stdout] 
[INFO] [stdout] For more information about an error, try `rustc --explain E0425`.
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: no method named `interleave_pending` found for struct `IntoAsyncRead<futures::stream::Map<futures::stream::Iter<std::vec::IntoIter<&[u8]>>, fn(&[u8]) -> std::result::Result<&[u8], std::io::Error> {std::result::Result::<&[u8], std::io::Error>::Ok}>>` in the current scope
[INFO] [stdout]   --> tests/io_read_to_string.rs:43:10
[INFO] [stdout]    |
[INFO] [stdout] 43 |         .interleave_pending();
[INFO] [stdout]    |          ^^^^^^^^^^^^^^^^^^ method not found in `IntoAsyncRead<futures::stream::Map<futures::stream::Iter<std::vec::IntoIter<&[u8]>>, fn(&[u8]) -> std::result::Result<&[u8], std::io::Error> {std::result::Result::<&[u8], std::io::Error>::Ok}>>`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `futures::io::AsyncReadExt`
[INFO] [stdout]   --> tests/io_read_to_string.rs:25:9
[INFO] [stdout]    |
[INFO] [stdout] 25 |     use futures::io::AsyncReadExt;
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 4 previous errors; 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0425, 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 `interleave_pending` found for struct `IntoAsyncRead<futures::stream::Map<futures::stream::Iter<std::vec::IntoIter<&[u8]>>, fn(&[u8]) -> std::result::Result<&[u8], std::io::Error> {std::result::Result::<&[u8], std::io::Error>::Ok}>>` in the current scope
[INFO] [stdout]   --> tests/io_lines.rs:59:10
[INFO] [stdout]    |
[INFO] [stdout] 59 |         .interleave_pending();
[INFO] [stdout]    |          ^^^^^^^^^^^^^^^^^^ method not found in `IntoAsyncRead<futures::stream::Map<futures::stream::Iter<std::vec::IntoIter<&[u8]>>, fn(&[u8]) -> std::result::Result<&[u8], std::io::Error> {std::result::Result::<&[u8], std::io::Error>::Ok}>>`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: no method named `interleave_pending` found for struct `IntoAsyncRead<futures::stream::Map<futures::stream::Iter<std::vec::IntoIter<&[u8]>>, fn(&[u8]) -> std::result::Result<&[u8], std::io::Error> {std::result::Result::<&[u8], std::io::Error>::Ok}>>` in the current scope
[INFO] [stdout]   --> tests/io_lines.rs:67:10
[INFO] [stdout]    |
[INFO] [stdout] 67 |         .interleave_pending();
[INFO] [stdout]    |          ^^^^^^^^^^^^^^^^^^ method not found in `IntoAsyncRead<futures::stream::Map<futures::stream::Iter<std::vec::IntoIter<&[u8]>>, fn(&[u8]) -> std::result::Result<&[u8], std::io::Error> {std::result::Result::<&[u8], std::io::Error>::Ok}>>`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `futures::io::AsyncBufReadExt`
[INFO] [stdout]   --> tests/io_lines.rs:45:9
[INFO] [stdout]    |
[INFO] [stdout] 45 |     use futures::io::AsyncBufReadExt;
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 5 previous errors; 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0425, 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::future::Map<futures::future::Then<futures::future::Ready<{integer}>, futures::future::Ready<{integer}>, [closure@tests/basic_combinators.rs:12:15: 16:10]>, [closure@tests/basic_combinators.rs:16:16: 20:10]>, [closure@tests/basic_combinators.rs:20:16: 22:10]>` in the current scope
[INFO] [stdout]   --> tests/basic_combinators.rs:25:9
[INFO] [stdout]    |
[INFO] [stdout] 25 |     fut.run_in_background(); // Start it
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^ method not found in `futures::future::Map<futures::future::Map<futures::future::Then<futures::future::Ready<{integer}>, futures::future::Ready<{integer}>, [closure@tests/basic_combinators.rs:12:15: 16:10]>, [closure@tests/basic_combinators.rs:16:16: 20:10]>, [closure@tests/basic_combinators.rs:20:16: 22:10]>`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 6 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[E0599]: no method named `run_in_background` found for struct `futures::future::Map<futures::future::MapErr<futures::future::MapOk<futures::future::OrElse<futures::future::AndThen<futures::future::Map<futures::future::MapErr<futures::future::MapOk<futures::future::OrElse<futures::future::AndThen<futures::future::Ready<std::result::Result<i32, i32>>, futures::future::Ready<std::result::Result<i32, i32>>, [closure@tests/basic_combinators.rs:44:19: 48:10]>, futures::future::Ready<std::result::Result<i32, i32>>, [closure@tests/basic_combinators.rs:49:18: 53:10]>, [closure@tests/basic_combinators.rs:54:17: 58:10]>, [closure@tests/basic_combinators.rs:59:18: 63:10]>, [closure@tests/basic_combinators.rs:64:14: 68:10]>, futures::future::Ready<std::result::Result<i32, i32>>, [closure@tests/basic_combinators.rs:69:19: 73:10]>, futures::future::Ready<std::result::Result<i32, i32>>, [closure@tests/basic_combinators.rs:74:18: 78:10]>, [closure@tests/basic_combinators.rs:79:17: 83:10]>, [closure@tests/basic_combinators.rs:84:18: 88:10]>, [closure@tests/basic_combinators.rs:89:14: 92:10]>` in the current scope
[INFO] [stdout]   --> tests/basic_combinators.rs:95:9
[INFO] [stdout]    |
[INFO] [stdout] 95 |     fut.run_in_background(); // Start it
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^ method not found in `futures::future::Map<futures::future::MapErr<futures::future::MapOk<futures::future::OrElse<futures::future::AndThen<futures::future::Map<futures::future::MapErr<futures::future::MapOk<futures::future::OrElse<futures::future::AndThen<futures::future::Ready<std::result::Result<i32, i32>>, futures::future::Ready<std::result::Result<i32, i32>>, [closure@tests/basic_combinators.rs:44:19: 48:10]>, futures::future::Ready<std::result::Result<i32, i32>>, [closure@tests/basic_combinators.rs:49:18: 53:10]>, [closure@tests/basic_combinators.rs:54:17: 58:10]>, [closure@tests/basic_combinators.rs:59:18: 63:10]>, [closure@tests/basic_combinators.rs:64:14: 68:10]>, futures::future::Ready<std::result::Result<i32, i32>>, [closure@tests/basic_combinators.rs:69:19: 73:10]>, futures::future::Ready<std::result::Result<i32, i32>>, [closure@tests/basic_combinators.rs:74:18: 78:10]>, [closure@tests/basic_combinators.rs:79:17: 83:10]>, [closure@tests/basic_combinators.rs:84:18: 88:10]>, [closure@tests/basic_combinators.rs:89:14: 92:10]>`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 3 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] [stderr] error: build failed
[INFO] running `Command { std: "docker" "inspect" "8805d76f97c202d3d4d6c4bff604670bd32643ca801813647fd0b7e416b6849c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8805d76f97c202d3d4d6c4bff604670bd32643ca801813647fd0b7e416b6849c", kill_on_drop: false }`
[INFO] [stdout] 8805d76f97c202d3d4d6c4bff604670bd32643ca801813647fd0b7e416b6849c