[INFO] fetching crate futures-preview 0.3.0-alpha.18... [INFO] checking futures-preview-0.3.0-alpha.18 against try#38f08371587f97c145dedb2c055ac7b01bf1e788 for pr-65294 [INFO] extracting crate futures-preview 0.3.0-alpha.18 into /workspace/builds/worker-2/source [INFO] validating manifest of crates.io crate futures-preview 0.3.0-alpha.18 on toolchain 38f08371587f97c145dedb2c055ac7b01bf1e788 [INFO] running `"/workspace/cargo-home/bin/cargo" "+38f08371587f97c145dedb2c055ac7b01bf1e788" "read-manifest" "--manifest-path" "Cargo.toml"` [INFO] started tweaking crates.io crate futures-preview 0.3.0-alpha.18 [INFO] finished tweaking crates.io crate futures-preview 0.3.0-alpha.18 [INFO] tweaked toml for crates.io crate futures-preview 0.3.0-alpha.18 written to /workspace/builds/worker-2/source/Cargo.toml [INFO] running `"/workspace/cargo-home/bin/cargo" "+38f08371587f97c145dedb2c055ac7b01bf1e788" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"` [INFO] running `"/workspace/cargo-home/bin/cargo" "+38f08371587f97c145dedb2c055ac7b01bf1e788" "fetch" "--locked" "--manifest-path" "Cargo.toml"` [INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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" "+38f08371587f97c145dedb2c055ac7b01bf1e788" "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] 553b966f3e9726885e36fac96ceeb338218e631b37fed7323762b7bf97550a62 [INFO] running `"docker" "start" "-a" "553b966f3e9726885e36fac96ceeb338218e631b37fed7323762b7bf97550a62"` [INFO] [stderr] Checking futures-util-preview v0.3.0-alpha.18 [INFO] [stderr] Checking futures-executor-preview v0.3.0-alpha.18 [INFO] [stderr] Checking futures-preview v0.3.0-alpha.18 (/opt/rustwide/workdir) [INFO] [stderr] error[E0433]: failed to resolve: use of undeclared type or module `futures_test` [INFO] [stderr] --> tests/io_buf_reader.rs:8:5 [INFO] [stderr] | [INFO] [stderr] 8 | use futures_test::task::noop_context; [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/eager_drop.rs:4:5 [INFO] [stderr] | [INFO] [stderr] 4 | use futures_test::future::FutureTestExt; [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_buf_reader.rs:30:22 [INFO] [stderr] | [INFO] [stderr] 30 | let mut cx = noop_context(); [INFO] [stderr] | ^^^^^^^^^^^^ not found in this scope [INFO] [stderr] ... [INFO] [stderr] 93 | assert_eq!(run_fill_buf!(reader).ok(), Some(&[0, 1][..])); [INFO] [stderr] | --------------------- in this macro invocation [INFO] [stderr] [INFO] [stderr] error[E0425]: cannot find function `noop_context` in this scope [INFO] [stderr] --> tests/io_buf_reader.rs:30:22 [INFO] [stderr] | [INFO] [stderr] 30 | let mut cx = noop_context(); [INFO] [stderr] | ^^^^^^^^^^^^ not found in this scope [INFO] [stderr] ... [INFO] [stderr] 95 | assert_eq!(run_fill_buf!(reader).ok(), Some(&[0, 1][..])); [INFO] [stderr] | --------------------- in this macro invocation [INFO] [stderr] [INFO] [stderr] error[E0425]: cannot find function `noop_context` in this scope [INFO] [stderr] --> tests/io_buf_reader.rs:30:22 [INFO] [stderr] | [INFO] [stderr] 30 | let mut cx = noop_context(); [INFO] [stderr] | ^^^^^^^^^^^^ not found in this scope [INFO] [stderr] ... [INFO] [stderr] 97 | assert_eq!(run_fill_buf!(reader).ok(), Some(&[1, 2][..])); [INFO] [stderr] | --------------------- in this macro invocation [INFO] [stderr] [INFO] [stderr] error[E0425]: cannot find function `noop_context` in this scope [INFO] [stderr] --> tests/io_buf_reader.rs:41:22 [INFO] [stderr] | [INFO] [stderr] 41 | let mut cx = noop_context(); [INFO] [stderr] | ^^^^^^^^^^^^ not found in this scope [INFO] [stderr] ... [INFO] [stderr] 107 | assert!(run_seek_relative!(reader, 3).is_ok()); [INFO] [stderr] | ----------------------------- in this macro invocation [INFO] [stderr] [INFO] [stderr] error[E0425]: cannot find function `noop_context` in this scope [INFO] [stderr] --> tests/io_buf_reader.rs:30:22 [INFO] [stderr] | [INFO] [stderr] 30 | let mut cx = noop_context(); [INFO] [stderr] | ^^^^^^^^^^^^ not found in this scope [INFO] [stderr] ... [INFO] [stderr] 108 | assert_eq!(run_fill_buf!(reader).ok(), Some(&[0, 1][..])); [INFO] [stderr] | --------------------- in this macro invocation [INFO] [stderr] [INFO] [stderr] error[E0425]: cannot find function `noop_context` in this scope [INFO] [stderr] --> tests/io_buf_reader.rs:41:22 [INFO] [stderr] | [INFO] [stderr] 41 | let mut cx = noop_context(); [INFO] [stderr] | ^^^^^^^^^^^^ not found in this scope [INFO] [stderr] ... [INFO] [stderr] 109 | assert!(run_seek_relative!(reader, 0).is_ok()); [INFO] [stderr] | ----------------------------- in this macro invocation [INFO] [stderr] [INFO] [stderr] error[E0425]: cannot find function `noop_context` in this scope [INFO] [stderr] --> tests/io_buf_reader.rs:30:22 [INFO] [stderr] | [INFO] [stderr] 30 | let mut cx = noop_context(); [INFO] [stderr] | ^^^^^^^^^^^^ not found in this scope [INFO] [stderr] ... [INFO] [stderr] 110 | assert_eq!(run_fill_buf!(reader).ok(), Some(&[0, 1][..])); [INFO] [stderr] | --------------------- in this macro invocation [INFO] [stderr] [INFO] [stderr] error[E0425]: cannot find function `noop_context` in this scope [INFO] [stderr] --> tests/io_buf_reader.rs:41:22 [INFO] [stderr] | [INFO] [stderr] 41 | let mut cx = noop_context(); [INFO] [stderr] | ^^^^^^^^^^^^ not found in this scope [INFO] [stderr] ... [INFO] [stderr] 111 | assert!(run_seek_relative!(reader, 1).is_ok()); [INFO] [stderr] | ----------------------------- in this macro invocation [INFO] [stderr] [INFO] [stderr] error[E0425]: cannot find function `noop_context` in this scope [INFO] [stderr] --> tests/io_buf_reader.rs:30:22 [INFO] [stderr] | [INFO] [stderr] 30 | let mut cx = noop_context(); [INFO] [stderr] | ^^^^^^^^^^^^ not found in this scope [INFO] [stderr] ... [INFO] [stderr] 112 | assert_eq!(run_fill_buf!(reader).ok(), Some(&[1][..])); [INFO] [stderr] | --------------------- in this macro invocation [INFO] [stderr] [INFO] [stderr] error[E0425]: cannot find function `noop_context` in this scope [INFO] [stderr] --> tests/io_buf_reader.rs:41:22 [INFO] [stderr] | [INFO] [stderr] 41 | let mut cx = noop_context(); [INFO] [stderr] | ^^^^^^^^^^^^ not found in this scope [INFO] [stderr] ... [INFO] [stderr] 113 | assert!(run_seek_relative!(reader, -1).is_ok()); [INFO] [stderr] | ------------------------------ in this macro invocation [INFO] [stderr] [INFO] [stderr] error[E0425]: cannot find function `noop_context` in this scope [INFO] [stderr] --> tests/io_buf_reader.rs:30:22 [INFO] [stderr] | [INFO] [stderr] 30 | let mut cx = noop_context(); [INFO] [stderr] | ^^^^^^^^^^^^ not found in this scope [INFO] [stderr] ... [INFO] [stderr] 114 | assert_eq!(run_fill_buf!(reader).ok(), Some(&[0, 1][..])); [INFO] [stderr] | --------------------- in this macro invocation [INFO] [stderr] [INFO] [stderr] error[E0425]: cannot find function `noop_context` in this scope [INFO] [stderr] --> tests/io_buf_reader.rs:41:22 [INFO] [stderr] | [INFO] [stderr] 41 | let mut cx = noop_context(); [INFO] [stderr] | ^^^^^^^^^^^^ not found in this scope [INFO] [stderr] ... [INFO] [stderr] 115 | assert!(run_seek_relative!(reader, 2).is_ok()); [INFO] [stderr] | ----------------------------- in this macro invocation [INFO] [stderr] [INFO] [stderr] error[E0425]: cannot find function `noop_context` in this scope [INFO] [stderr] --> tests/io_buf_reader.rs:30:22 [INFO] [stderr] | [INFO] [stderr] 30 | let mut cx = noop_context(); [INFO] [stderr] | ^^^^^^^^^^^^ not found in this scope [INFO] [stderr] ... [INFO] [stderr] 116 | assert_eq!(run_fill_buf!(reader).ok(), Some(&[2, 3][..])); [INFO] [stderr] | --------------------- in this macro invocation [INFO] [stderr] [INFO] [stderr] error[E0425]: cannot find function `noop_context` in this scope [INFO] [stderr] --> tests/io_buf_reader.rs:30:22 [INFO] [stderr] | [INFO] [stderr] 30 | let mut cx = noop_context(); [INFO] [stderr] | ^^^^^^^^^^^^ not found in this scope [INFO] [stderr] ... [INFO] [stderr] 124 | assert_eq!(run_fill_buf!(reader).ok(), Some(&[5, 6, 7][..])); [INFO] [stderr] | --------------------- in this macro invocation [INFO] [stderr] [INFO] [stderr] error[E0425]: cannot find function `noop_context` in this scope [INFO] [stderr] --> tests/io_buf_reader.rs:41:22 [INFO] [stderr] | [INFO] [stderr] 41 | let mut cx = noop_context(); [INFO] [stderr] | ^^^^^^^^^^^^ not found in this scope [INFO] [stderr] ... [INFO] [stderr] 131 | assert!(run_seek_relative!(reader, -2).is_ok()); [INFO] [stderr] | ------------------------------ in this macro invocation [INFO] [stderr] [INFO] [stderr] error[E0425]: cannot find function `noop_context` in this scope [INFO] [stderr] --> tests/io_buf_reader.rs:30:22 [INFO] [stderr] | [INFO] [stderr] 30 | let mut cx = noop_context(); [INFO] [stderr] | ^^^^^^^^^^^^ not found in this scope [INFO] [stderr] ... [INFO] [stderr] 142 | assert_eq!(run_fill_buf!(reader).ok(), Some(&[5, 6, 7][..])); [INFO] [stderr] | --------------------- in this macro invocation [INFO] [stderr] [INFO] [stderr] error[E0425]: cannot find function `noop_context` in this scope [INFO] [stderr] --> tests/io_buf_reader.rs:41:22 [INFO] [stderr] | [INFO] [stderr] 41 | let mut cx = noop_context(); [INFO] [stderr] | ^^^^^^^^^^^^ not found in this scope [INFO] [stderr] ... [INFO] [stderr] 147 | assert!(run_seek_relative!(reader, -2).is_ok()); [INFO] [stderr] | ------------------------------ in this macro invocation [INFO] [stderr] [INFO] [stderr] error[E0425]: cannot find function `noop_context` in this scope [INFO] [stderr] --> tests/io_buf_reader.rs:30:22 [INFO] [stderr] | [INFO] [stderr] 30 | let mut cx = noop_context(); [INFO] [stderr] | ^^^^^^^^^^^^ not found in this scope [INFO] [stderr] ... [INFO] [stderr] 187 | assert_eq!(run_fill_buf!(reader).ok(), Some(&[0, 1, 2, 3, 4][..])); [INFO] [stderr] | --------------------- in this macro invocation [INFO] [stderr] [INFO] [stderr] error[E0425]: cannot find function `noop_context` in this scope [INFO] [stderr] --> tests/io_buf_reader.rs:30:22 [INFO] [stderr] | [INFO] [stderr] 30 | let mut cx = noop_context(); [INFO] [stderr] | ^^^^^^^^^^^^ not found in this scope [INFO] [stderr] ... [INFO] [stderr] 189 | assert_eq!(run_fill_buf!(reader).ok().map(|s| s.len()), Some(5)); [INFO] [stderr] | --------------------- in this macro invocation [INFO] [stderr] [INFO] [stderr] error[E0425]: cannot find function `noop_context` in this scope [INFO] [stderr] --> tests/io_buf_reader.rs:30:22 [INFO] [stderr] | [INFO] [stderr] 30 | let mut cx = noop_context(); [INFO] [stderr] | ^^^^^^^^^^^^ not found in this scope [INFO] [stderr] ... [INFO] [stderr] 193 | assert_eq!(run_fill_buf!(reader).ok().map(|s| s.len()), Some(5)); [INFO] [stderr] | --------------------- in this macro invocation [INFO] [stderr] [INFO] [stderr] error[E0425]: cannot find function `noop_context` in this scope [INFO] [stderr] --> tests/io_buf_reader.rs:260:18 [INFO] [stderr] | [INFO] [stderr] 260 | 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_buf_reader.rs:30:22 [INFO] [stderr] | [INFO] [stderr] 30 | let mut cx = noop_context(); [INFO] [stderr] | ^^^^^^^^^^^^ not found in this scope [INFO] [stderr] ... [INFO] [stderr] 376 | assert_eq!(run_fill_buf!(reader).ok(), Some(&[0, 1][..])); [INFO] [stderr] | --------------------- in this macro invocation [INFO] [stderr] [INFO] [stderr] error[E0425]: cannot find function `noop_context` in this scope [INFO] [stderr] --> tests/io_buf_reader.rs:30:22 [INFO] [stderr] | [INFO] [stderr] 30 | let mut cx = noop_context(); [INFO] [stderr] | ^^^^^^^^^^^^ not found in this scope [INFO] [stderr] ... [INFO] [stderr] 378 | assert_eq!(run_fill_buf!(reader).ok(), Some(&[0, 1][..])); [INFO] [stderr] | --------------------- in this macro invocation [INFO] [stderr] [INFO] [stderr] error[E0425]: cannot find function `noop_context` in this scope [INFO] [stderr] --> tests/io_buf_reader.rs:30:22 [INFO] [stderr] | [INFO] [stderr] 30 | let mut cx = noop_context(); [INFO] [stderr] | ^^^^^^^^^^^^ not found in this scope [INFO] [stderr] ... [INFO] [stderr] 380 | assert_eq!(run_fill_buf!(reader).ok(), Some(&[1, 2][..])); [INFO] [stderr] | --------------------- in this macro invocation [INFO] [stderr] [INFO] [stderr] error[E0432]: unresolved import `pin_utils` [INFO] [stderr] --> tests/eager_drop.rs:5:5 [INFO] [stderr] | [INFO] [stderr] 5 | use pin_utils::unsafe_pinned; [INFO] [stderr] | ^^^^^^^^^ use of undeclared type or module `pin_utils` [INFO] [stderr] [INFO] [stderr] error: cannot determine resolution for the macro `unsafe_pinned` [INFO] [stderr] --> tests/eager_drop.rs:51:5 [INFO] [stderr] | [INFO] [stderr] 51 | unsafe_pinned!(future: F); [INFO] [stderr] | ^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: import resolution is stuck, try simplifying macro imports [INFO] [stderr] [INFO] [stderr] error[E0599]: no method named `run_in_background` found for type `futures_util::future::map::Map>, [closure@tests/eager_drop.rs:17:17: 17:71 tx1:_]>, [closure@tests/eager_drop.rs:18:14: 21:10 rx1:_, tx2:_]>` in the current scope [INFO] [stderr] --> tests/eager_drop.rs:22:10 [INFO] [stderr] | [INFO] [stderr] 22 | .run_in_background(); [INFO] [stderr] | ^^^^^^^^^^^^^^^^^ method not found in `futures_util::future::map::Map>, [closure@tests/eager_drop.rs:17:17: 17:71 tx1:_]>, [closure@tests/eager_drop.rs:18:14: 21:10 rx1:_, tx2:_]>` [INFO] [stderr] [INFO] [stderr] error[E0599]: no method named `run_in_background` found for type `futures_util::future::map::Map>, [closure@tests/eager_drop.rs:35:18: 35:72 tx1:_]>, [closure@tests/eager_drop.rs:36:14: 39:10 rx1:_, tx2:_]>` in the current scope [INFO] [stderr] --> tests/eager_drop.rs:40:10 [INFO] [stderr] | [INFO] [stderr] 40 | .run_in_background(); [INFO] [stderr] | ^^^^^^^^^^^^^^^^^ method not found in `futures_util::future::map::Map>, [closure@tests/eager_drop.rs:35:18: 35:72 tx1:_]>, [closure@tests/eager_drop.rs:36:14: 39:10 rx1:_, tx2:_]>` [INFO] [stderr] [INFO] [stderr] error[E0599]: no method named `future` found for type `std::pin::Pin<&mut FutureData>` in the current scope [INFO] [stderr] --> tests/eager_drop.rs:58:14 [INFO] [stderr] | [INFO] [stderr] 58 | self.future().poll(cx) [INFO] [stderr] | ^^^^^^-- help: remove the arguments [INFO] [stderr] | | [INFO] [stderr] | field, not a method [INFO] [stderr] [INFO] [stderr] warning: the feature `async_await` has been stable since 1.39.0 and no longer requires an attribute to enable [INFO] [stderr] --> tests/join_all.rs:1:12 [INFO] [stderr] | [INFO] [stderr] 1 | #![feature(async_await)] [INFO] [stderr] | ^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(stable_features)]` on by default [INFO] [stderr] [INFO] [stderr] error[E0599]: no method named `run_in_background` found for type `futures_util::future::then::Then, [closure@tests/eager_drop.rs:68:57: 68:73]>, std::sync::mpsc::Sender<()>>, futures_util::future::ready::Ready<()>, [closure@tests/eager_drop.rs:69:15: 73:10 rx1:_, tx2:_]>` in the current scope [INFO] [stderr] --> tests/eager_drop.rs:74:10 [INFO] [stderr] | [INFO] [stderr] 74 | .run_in_background(); [INFO] [stderr] | ^^^^^^^^^^^^^^^^^ method not found in `futures_util::future::then::Then, [closure@tests/eager_drop.rs:68:57: 68:73]>, std::sync::mpsc::Sender<()>>, futures_util::future::ready::Ready<()>, [closure@tests/eager_drop.rs:69:15: 73:10 rx1:_, tx2:_]>` [INFO] [stderr] [INFO] [stderr] error[E0599]: no method named `run_in_background` found for type `futures_util::try_future::and_then::AndThen>, [closure@tests/eager_drop.rs:87:57: 87:73]>, std::sync::mpsc::Sender<()>>, futures_util::future::ready::Ready>, [closure@tests/eager_drop.rs:88:19: 92:10 rx1:_, tx2:_]>` in the current scope [INFO] [stderr] --> tests/eager_drop.rs:93:10 [INFO] [stderr] | [INFO] [stderr] 93 | .run_in_background(); [INFO] [stderr] | ^^^^^^^^^^^^^^^^^ method not found in `futures_util::try_future::and_then::AndThen>, [closure@tests/eager_drop.rs:87:57: 87:73]>, std::sync::mpsc::Sender<()>>, futures_util::future::ready::Ready>, [closure@tests/eager_drop.rs:88:19: 92:10 rx1:_, tx2:_]>` [INFO] [stderr] [INFO] [stderr] error[E0599]: no method named `run_in_background` found for type `futures_util::try_future::or_else::OrElse>, [closure@tests/eager_drop.rs:106:57: 106:73]>, std::sync::mpsc::Sender<()>>, futures_util::future::ready::Ready>, [closure@tests/eager_drop.rs:107:18: 111:10 rx1:_, tx2:_]>` in the current scope [INFO] [stderr] --> tests/eager_drop.rs:112:10 [INFO] [stderr] | [INFO] [stderr] 112 | .run_in_background(); [INFO] [stderr] | ^^^^^^^^^^^^^^^^^ method not found in `futures_util::try_future::or_else::OrElse>, [closure@tests/eager_drop.rs:106:57: 106:73]>, std::sync::mpsc::Sender<()>>, futures_util::future::ready::Ready>, [closure@tests/eager_drop.rs:107:18: 111:10 rx1:_, tx2:_]>` [INFO] [stderr] [INFO] [stderr] error: aborting due to 9 previous errors [INFO] [stderr] [INFO] [stderr] Some errors have detailed explanations: E0432, E0433, E0599. [INFO] [stderr] For more information about an error, try `rustc --explain E0432`. [INFO] [stderr] error: could not compile `futures-preview`. [INFO] [stderr] warning: build failed, waiting for other jobs to finish... [INFO] [stderr] error: aborting due to 25 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] 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/abortable.rs:5:5 [INFO] [stderr] | [INFO] [stderr] 5 | use futures_test::task::new_count_waker; [INFO] [stderr] | ^^^^^^^^^^^^ use of undeclared type or module `futures_test` [INFO] [stderr] [INFO] [stderr] error[E0425]: cannot find function `new_count_waker` in this scope [INFO] [stderr] --> tests/abortable.rs:21:28 [INFO] [stderr] | [INFO] [stderr] 21 | let (waker, counter) = new_count_waker(); [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/fuse.rs:3:5 [INFO] [stderr] | [INFO] [stderr] 3 | use futures_test::task::panic_waker; [INFO] [stderr] | ^^^^^^^^^^^^ use of undeclared type or module `futures_test` [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] warning: build failed, waiting for other jobs to finish... [INFO] [stderr] error[E0425]: cannot find function `panic_waker` in this scope [INFO] [stderr] --> tests/fuse.rs:8:17 [INFO] [stderr] | [INFO] [stderr] 8 | let waker = panic_waker(); [INFO] [stderr] | ^^^^^^^^^^^ not found in this scope [INFO] [stderr] [INFO] [stderr] warning: the feature `async_await` has been stable since 1.39.0 and no longer requires an attribute to enable [INFO] [stderr] --> tests/try_join_all.rs:1:12 [INFO] [stderr] | [INFO] [stderr] 1 | #![feature(async_await)] [INFO] [stderr] | ^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(stable_features)]` on by default [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] warning: build failed, waiting for other jobs to finish... [INFO] [stderr] error: build failed [INFO] running `"docker" "inspect" "553b966f3e9726885e36fac96ceeb338218e631b37fed7323762b7bf97550a62"` [INFO] running `"docker" "rm" "-f" "553b966f3e9726885e36fac96ceeb338218e631b37fed7323762b7bf97550a62"` [INFO] [stdout] 553b966f3e9726885e36fac96ceeb338218e631b37fed7323762b7bf97550a62