[INFO] crate futures-preview 0.3.0-alpha.19 is already in cache [INFO] checking futures-preview-0.3.0-alpha.19 against try#b2a885c600d942fb829a214e798f7ae205a0594e for pr-71796 [INFO] extracting crate futures-preview 0.3.0-alpha.19 into /workspace/builds/worker-1/source [INFO] validating manifest of crates.io crate futures-preview 0.3.0-alpha.19 on toolchain b2a885c600d942fb829a214e798f7ae205a0594e [INFO] running `"/workspace/cargo-home/bin/cargo" "+b2a885c600d942fb829a214e798f7ae205a0594e" "read-manifest" "--manifest-path" "Cargo.toml"` [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-1/source/Cargo.toml [INFO] running `"/workspace/cargo-home/bin/cargo" "+b2a885c600d942fb829a214e798f7ae205a0594e" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"` [INFO] running `"/workspace/cargo-home/bin/cargo" "+b2a885c600d942fb829a214e798f7ae205a0594e" "fetch" "--locked" "--manifest-path" "Cargo.toml"` [INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+b2a885c600d942fb829a214e798f7ae205a0594e" "check" "--frozen" "--all" "--all-targets"` [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] [stdout] 981f72a51be88887f2fe4ddd1ccb8e96dee29b815bf7c7ae53bf27368e7db5c7 [INFO] running `"docker" "start" "-a" "981f72a51be88887f2fe4ddd1ccb8e96dee29b815bf7c7ae53bf27368e7db5c7"` [INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted [INFO] [stderr] Compiling memchr v2.3.3 [INFO] [stderr] Checking pin-utils v0.1.0 [INFO] [stderr] Checking futures-util-preview v0.3.0-alpha.19 [INFO] [stderr] Checking futures-executor-preview v0.3.0-alpha.19 [INFO] [stderr] Checking futures-preview v0.3.0-alpha.19 (/opt/rustwide/workdir) [INFO] [stderr] error[E0433]: failed to resolve: use of undeclared type or module `futures_test` [INFO] [stderr] --> tests/ready_queue.rs:6:5 [INFO] [stderr] | [INFO] [stderr] 6 | use futures_test::task::noop_context; [INFO] [stderr] | ^^^^^^^^^^^^ use of undeclared type or module `futures_test` [INFO] [stderr] [INFO] [stderr] error[E0425]: cannot find function `noop_context` in this scope [INFO] [stderr] --> tests/ready_queue.rs:83:27 [INFO] [stderr] | [INFO] [stderr] 83 | let cx = &mut noop_context(); [INFO] [stderr] | ^^^^^^^^^^^^ not found in this scope [INFO] [stderr] [INFO] [stderr] error[E0433]: failed to resolve: use of undeclared type or module `futures_test` [INFO] [stderr] --> tests/io_read_until.rs:6:5 [INFO] [stderr] | [INFO] [stderr] 6 | use futures_test::io::AsyncReadTestExt; [INFO] [stderr] | ^^^^^^^^^^^^ use of undeclared type or module `futures_test` [INFO] [stderr] [INFO] [stderr] error[E0433]: failed to resolve: use of undeclared type or module `futures_test` [INFO] [stderr] --> tests/io_read_until.rs:7:5 [INFO] [stderr] | [INFO] [stderr] 7 | use futures_test::task::noop_context; [INFO] [stderr] | ^^^^^^^^^^^^ use of undeclared type or module `futures_test` [INFO] [stderr] [INFO] [stderr] error[E0432]: unresolved import `assert_matches` [INFO] [stderr] --> tests/io_cursor.rs:1:5 [INFO] [stderr] | [INFO] [stderr] 1 | use assert_matches::assert_matches; [INFO] [stderr] | ^^^^^^^^^^^^^^ use of undeclared type or module `assert_matches` [INFO] [stderr] [INFO] [stderr] error: cannot determine resolution for the macro `assert_matches` [INFO] [stderr] --> tests/io_cursor.rs:12:9 [INFO] [stderr] | [INFO] [stderr] 12 | assert_matches!(Pin::new(&mut cursor).poll_write(cx, &[1, 2]), Poll::Ready(Ok(2))); [INFO] [stderr] | ^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: import resolution is stuck, try simplifying macro imports [INFO] [stderr] [INFO] [stderr] error: cannot determine resolution for the macro `assert_matches` [INFO] [stderr] --> tests/io_cursor.rs:13:9 [INFO] [stderr] | [INFO] [stderr] 13 | assert_matches!(Pin::new(&mut cursor).poll_write(cx, &[3, 4]), Poll::Ready(Ok(2))); [INFO] [stderr] | ^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: import resolution is stuck, try simplifying macro imports [INFO] [stderr] [INFO] [stderr] error: cannot determine resolution for the macro `assert_matches` [INFO] [stderr] --> tests/io_cursor.rs:14:9 [INFO] [stderr] | [INFO] [stderr] 14 | assert_matches!(Pin::new(&mut cursor).poll_write(cx, &[5, 6]), Poll::Ready(Ok(1))); [INFO] [stderr] | ^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: import resolution is stuck, try simplifying macro imports [INFO] [stderr] [INFO] [stderr] error: cannot determine resolution for the macro `assert_matches` [INFO] [stderr] --> tests/io_cursor.rs:15:9 [INFO] [stderr] | [INFO] [stderr] 15 | assert_matches!(Pin::new(&mut cursor).poll_write(cx, &[6, 7]), Poll::Ready(Ok(0))); [INFO] [stderr] | ^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: import resolution is stuck, try simplifying macro imports [INFO] [stderr] [INFO] [stderr] warning: unused import: `futures::Poll` [INFO] [stderr] --> tests/io_cursor.rs:2:5 [INFO] [stderr] | [INFO] [stderr] 2 | use futures::Poll; [INFO] [stderr] | ^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_imports)]` on by default [INFO] [stderr] [INFO] [stderr] warning: unused import: `futures::io::AsyncWrite` [INFO] [stderr] --> tests/io_cursor.rs:4:5 [INFO] [stderr] | [INFO] [stderr] 4 | use futures::io::AsyncWrite; [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused import: `std::pin::Pin` [INFO] [stderr] --> tests/io_cursor.rs:6:5 [INFO] [stderr] | [INFO] [stderr] 6 | use std::pin::Pin; [INFO] [stderr] | ^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] error: aborting due to 5 previous errors; 3 warnings emitted [INFO] [stderr] [INFO] [stderr] For more information about this error, try `rustc --explain E0432`. [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] [stderr] error[E0433]: failed to resolve: use of undeclared type or module `futures_test` [INFO] [stderr] --> tests/io_read_line.rs:6:5 [INFO] [stderr] | [INFO] [stderr] 6 | use futures_test::io::AsyncReadTestExt; [INFO] [stderr] | ^^^^^^^^^^^^ use of undeclared type or module `futures_test` [INFO] [stderr] [INFO] [stderr] error[E0433]: failed to resolve: use of undeclared type or module `futures_test` [INFO] [stderr] --> tests/io_read_line.rs:7:5 [INFO] [stderr] | [INFO] [stderr] 7 | use futures_test::task::noop_context; [INFO] [stderr] | ^^^^^^^^^^^^ use of undeclared type or module `futures_test` [INFO] [stderr] [INFO] [stderr] error[E0425]: cannot find function `noop_context` in this scope [INFO] [stderr] --> tests/io_read_until.rs:30:18 [INFO] [stderr] | [INFO] [stderr] 30 | let mut cx = noop_context(); [INFO] [stderr] | ^^^^^^^^^^^^ not found in this scope [INFO] [stderr] [INFO] [stderr] error[E0425]: cannot find function `noop_context` in this scope [INFO] [stderr] --> tests/io_read_line.rs:30:18 [INFO] [stderr] | [INFO] [stderr] 30 | let mut cx = noop_context(); [INFO] [stderr] | ^^^^^^^^^^^^ not found in this scope [INFO] [stderr] [INFO] [stderr] error[E0433]: failed to resolve: use of undeclared type or module `futures_test` [INFO] [stderr] --> tests/stream_select_next_some.rs:5:5 [INFO] [stderr] | [INFO] [stderr] 5 | use futures_test::future::FutureTestExt; [INFO] [stderr] | ^^^^^^^^^^^^ use of undeclared type or module `futures_test` [INFO] [stderr] [INFO] [stderr] error[E0433]: failed to resolve: use of undeclared type or module `futures_test` [INFO] [stderr] --> tests/stream_select_next_some.rs:6:5 [INFO] [stderr] | [INFO] [stderr] 6 | use futures_test::task::new_count_waker; [INFO] [stderr] | ^^^^^^^^^^^^ use of undeclared type or module `futures_test` [INFO] [stderr] [INFO] [stderr] error[E0432]: unresolved import `futures::select` [INFO] [stderr] --> tests/stream_select_next_some.rs:1:23 [INFO] [stderr] | [INFO] [stderr] 1 | use futures::{future, select}; [INFO] [stderr] | ^^^^^^ no `select` in the root [INFO] [stderr] [INFO] [stderr] error[E0432]: unresolved import `futures_util::select` [INFO] [stderr] --> tests/stream_select_next_some.rs:61:9 [INFO] [stderr] | [INFO] [stderr] 61 | use futures_util::select; [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^ no `select` in the root [INFO] [stderr] [INFO] [stderr] error: cannot determine resolution for the macro `select` [INFO] [stderr] --> tests/stream_select_next_some.rs:43:13 [INFO] [stderr] | [INFO] [stderr] 43 | select! { [INFO] [stderr] | ^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: import resolution is stuck, try simplifying macro imports [INFO] [stderr] [INFO] [stderr] error: cannot determine resolution for the macro `select` [INFO] [stderr] --> tests/stream_select_next_some.rs:72:13 [INFO] [stderr] | [INFO] [stderr] 72 | select! { [INFO] [stderr] | ^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: import resolution is stuck, try simplifying macro imports [INFO] [stderr] [INFO] [stderr] error[E0425]: cannot find function `new_count_waker` in this scope [INFO] [stderr] --> tests/stream_select_next_some.rs:10:28 [INFO] [stderr] | [INFO] [stderr] 10 | let (waker, counter) = new_count_waker(); [INFO] [stderr] | ^^^^^^^^^^^^^^^ not found in this scope [INFO] [stderr] [INFO] [stderr] error: aborting due to 2 previous errors [INFO] [stderr] [INFO] [stderr] Some errors have detailed explanations: E0425, E0433. [INFO] [stderr] For more information about an error, try `rustc --explain E0425`. [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] [stderr] error[E0599]: no method named `interleave_pending` found for reference `&'static [u8; 2]` in the current scope [INFO] [stderr] --> tests/io_read_line.rs:40:25 [INFO] [stderr] | [INFO] [stderr] 40 | let mut buf = b"12".interleave_pending(); [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^ method not found in `&'static [u8; 2]` [INFO] [stderr] [INFO] [stderr] error[E0599]: no method named `interleave_pending` found for struct `futures_util::try_stream::into_async_read::IntoAsyncRead>, fn(&[u8]) -> std::result::Result<&[u8], std::io::Error> {std::result::Result::<&[u8], std::io::Error>::Ok}>>` in the current scope [INFO] [stderr] --> tests/io_read_line.rs:48:10 [INFO] [stderr] | [INFO] [stderr] 48 | .interleave_pending(); [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^ method not found in `futures_util::try_stream::into_async_read::IntoAsyncRead>, fn(&[u8]) -> std::result::Result<&[u8], std::io::Error> {std::result::Result::<&[u8], std::io::Error>::Ok}>>` [INFO] [stderr] [INFO] [stderr] error[E0599]: no method named `interleave_pending` found for reference `&'static [u8; 2]` in the current scope [INFO] [stderr] --> tests/io_read_until.rs:40:25 [INFO] [stderr] | [INFO] [stderr] 40 | let mut buf = b"12".interleave_pending(); [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^ method not found in `&'static [u8; 2]` [INFO] [stderr] [INFO] [stderr] error[E0599]: no method named `interleave_pending` found for struct `futures_util::try_stream::into_async_read::IntoAsyncRead>, fn(&[u8]) -> std::result::Result<&[u8], std::io::Error> {std::result::Result::<&[u8], std::io::Error>::Ok}>>` in the current scope [INFO] [stderr] --> tests/io_read_until.rs:48:10 [INFO] [stderr] | [INFO] [stderr] 48 | .interleave_pending(); [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^ method not found in `futures_util::try_stream::into_async_read::IntoAsyncRead>, fn(&[u8]) -> std::result::Result<&[u8], std::io::Error> {std::result::Result::<&[u8], std::io::Error>::Ok}>>` [INFO] [stderr] [INFO] [stderr] error: aborting due to 5 previous errors [INFO] [stderr] [INFO] [stderr] Some errors have detailed explanations: E0425, E0433, E0599. [INFO] [stderr] For more information about an error, try `rustc --explain E0425`. [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] [stderr] error[E0599]: no method named `pending_once` found for struct `futures_util::future::ready::Ready<{integer}>` in the current scope [INFO] [stderr] --> tests/stream_select_next_some.rs:39:40 [INFO] [stderr] | [INFO] [stderr] 39 | let mut fut = future::ready(1).pending_once(); [INFO] [stderr] | ^^^^^^^^^^^^ method not found in `futures_util::future::ready::Ready<{integer}>` [INFO] [stderr] [INFO] [stderr] warning: unreachable statement [INFO] [stderr] --> tests/stream_select_next_some.rs:54:9 [INFO] [stderr] | [INFO] [stderr] 42 | / loop { [INFO] [stderr] 43 | | select! { [INFO] [stderr] 44 | | num = fut => { [INFO] [stderr] 45 | | total += num; [INFO] [stderr] ... | [INFO] [stderr] 52 | | } [INFO] [stderr] 53 | | } [INFO] [stderr] | |_________- any code following this expression is unreachable [INFO] [stderr] 54 | assert_eq!(total, 6); [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^ unreachable statement [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unreachable_code)]` on by default [INFO] [stderr] = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stderr] [INFO] [stderr] error: aborting due to 5 previous errors [INFO] [stderr] [INFO] [stderr] Some errors have detailed explanations: E0425, E0433, E0599. [INFO] [stderr] For more information about an error, try `rustc --explain E0425`. [INFO] [stderr] error[E0599]: no method named `pending_once` found for struct `futures_util::future::ready::Ready<{integer}>` in the current scope [INFO] [stderr] --> tests/stream_select_next_some.rs:68:40 [INFO] [stderr] | [INFO] [stderr] 68 | let mut fut = future::ready(1).pending_once(); [INFO] [stderr] | ^^^^^^^^^^^^ method not found in `futures_util::future::ready::Ready<{integer}>` [INFO] [stderr] [INFO] [stderr] warning: unreachable statement [INFO] [stderr] --> tests/stream_select_next_some.rs:83:9 [INFO] [stderr] | [INFO] [stderr] 71 | / loop { [INFO] [stderr] 72 | | select! { [INFO] [stderr] 73 | | num = fut => { [INFO] [stderr] 74 | | total += num; [INFO] [stderr] ... | [INFO] [stderr] 81 | | } [INFO] [stderr] 82 | | } [INFO] [stderr] | |_________- any code following this expression is unreachable [INFO] [stderr] 83 | assert_eq!(total, 6); [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^ unreachable statement [INFO] [stderr] | [INFO] [stderr] = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stderr] [INFO] [stderr] error: aborting due to 9 previous errors; 2 warnings emitted [INFO] [stderr] [INFO] [stderr] Some errors have detailed explanations: E0425, E0432, E0433, E0599. [INFO] [stderr] For more information about an error, try `rustc --explain E0425`. [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] [stderr] error: could not compile `futures-preview`. [INFO] [stderr] [INFO] [stderr] To learn more, run the command again with --verbose. [INFO] running `"docker" "inspect" "981f72a51be88887f2fe4ddd1ccb8e96dee29b815bf7c7ae53bf27368e7db5c7"` [INFO] running `"docker" "rm" "-f" "981f72a51be88887f2fe4ddd1ccb8e96dee29b815bf7c7ae53bf27368e7db5c7"` [INFO] [stdout] 981f72a51be88887f2fe4ddd1ccb8e96dee29b815bf7c7ae53bf27368e7db5c7