[INFO] updating cached repository https://github.com/tinaun/futures-playground [INFO] running `"git" "-c" "credential.helper=" "-c" "credential.helper=/big/crater/work/cargo-home/bin/git-credential-null" "-c" "remote.origin.fetch=refs/heads/*:refs/heads/*" "fetch" "origin" "--force" "--prune"` [INFO] running `"git" "rev-parse" "HEAD"` [INFO] [stdout] 9716af4faddfb5a8ed35e0e582ed1f94f05c5a56 [INFO] testing tinaun/futures-playground against 1.38.0 for beta-1.39-1 [INFO] running `"git" "clone" "work/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftinaun%2Ffutures-playground" "work/builds/worker-1/source"` [INFO] [stderr] Cloning into 'work/builds/worker-1/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/tinaun/futures-playground on toolchain 1.38.0 [INFO] running `"/big/crater/work/cargo-home/bin/cargo" "+1.38.0" "read-manifest" "--manifest-path" "Cargo.toml"` [INFO] started tweaking git repo https://github.com/tinaun/futures-playground [INFO] finished tweaking git repo https://github.com/tinaun/futures-playground [INFO] tweaked toml for git repo https://github.com/tinaun/futures-playground written to work/builds/worker-1/source/Cargo.toml [INFO] crate git repo https://github.com/tinaun/futures-playground already has a lockfile, it will not be regenerated [INFO] running `"/big/crater/work/cargo-home/bin/cargo" "+1.38.0" "fetch" "--locked" "--manifest-path" "Cargo.toml"` [INFO] running `"docker" "create" "-v" "/big/crater/work/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/big/crater/work/builds/worker-1/source:/opt/rustwide/workdir:ro,Z" "-v" "/big/crater/work/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/big/crater/work/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "MAP_USER_ID=1000" "-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" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+1.38.0" "build" "--frozen"` [INFO] [stdout] 25f807dff8c46cb0bae538186a71f11f2a2685140b3d6f1a4691998f1c293fde [INFO] running `"docker" "start" "-a" "25f807dff8c46cb0bae538186a71f11f2a2685140b3d6f1a4691998f1c293fde"` [INFO] [stderr] warning: the cargo feature `edition` is now stable and is no longer necessary to be listed in the manifest [INFO] [stderr] Compiling futures-core-preview v0.3.0-alpha.1 [INFO] [stderr] error[E0432]: unresolved import `core::mem::PinMut` [INFO] [stderr] --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/futures-core-preview-0.3.0-alpha.1/src/future.rs:4:5 [INFO] [stderr] | [INFO] [stderr] 4 | use core::mem::PinMut; [INFO] [stderr] | ^^^^^^^^^^^^^^^^^ no `PinMut` in `mem` [INFO] [stderr] [INFO] [stderr] error[E0432]: unresolved imports `core::future::FutureObj`, `core::future::LocalFutureObj`, `core::future::UnsafeFutureObj` [INFO] [stderr] --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/futures-core-preview-0.3.0-alpha.1/src/future.rs:6:32 [INFO] [stderr] | [INFO] [stderr] 6 | pub use core::future::{Future, FutureObj, LocalFutureObj, UnsafeFutureObj}; [INFO] [stderr] | ^^^^^^^^^ ^^^^^^^^^^^^^^ ^^^^^^^^^^^^^^^ no `UnsafeFutureObj` in `future` [INFO] [stderr] | | | [INFO] [stderr] | | no `LocalFutureObj` in `future` [INFO] [stderr] | no `FutureObj` in `future` [INFO] [stderr] | help: a similar name exists in the module: `Future` [INFO] [stderr] [INFO] [stderr] error[E0432]: unresolved import `core::mem::PinMut` [INFO] [stderr] --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/futures-core-preview-0.3.0-alpha.1/src/stream.rs:5:5 [INFO] [stderr] | [INFO] [stderr] 5 | use core::mem::PinMut; [INFO] [stderr] | ^^^^^^^^^^^^^^^^^ no `PinMut` in `mem` [INFO] [stderr] [INFO] [stderr] error[E0432]: unresolved imports `core::task::Executor`, `core::task::LocalWaker`, `core::task::UnsafeWake`, `core::task::SpawnErrorKind`, `core::task::SpawnObjError`, `core::task::SpawnLocalObjError` [INFO] [stderr] --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/futures-core-preview-0.3.0-alpha.1/src/task.rs:4:20 [INFO] [stderr] | [INFO] [stderr] 4 | Context, Poll, Executor, [INFO] [stderr] | ^^^^^^^^ no `Executor` in `task` [INFO] [stderr] 5 | Waker, LocalWaker, UnsafeWake, [INFO] [stderr] | ^^^^^^^^^^ ^^^^^^^^^^ no `UnsafeWake` in `task` [INFO] [stderr] | | [INFO] [stderr] | no `LocalWaker` in `task` [INFO] [stderr] 6 | SpawnErrorKind, SpawnObjError, SpawnLocalObjError, [INFO] [stderr] | ^^^^^^^^^^^^^^ ^^^^^^^^^^^^^ ^^^^^^^^^^^^^^^^^^ no `SpawnLocalObjError` in `task` [INFO] [stderr] | | | [INFO] [stderr] | | no `SpawnObjError` in `task` [INFO] [stderr] | no `SpawnErrorKind` in `task` [INFO] [stderr] [INFO] [stderr] error[E0432]: unresolved import `std::boxed::PinBox` [INFO] [stderr] --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/futures-core-preview-0.3.0-alpha.1/src/stream.rs:128:27 [INFO] [stderr] | [INFO] [stderr] 128 | use std::boxed::{Box, PinBox}; [INFO] [stderr] | ^^^^^^ no `PinBox` in `boxed` [INFO] [stderr] [INFO] [stderr] error[E0432]: unresolved imports `std::task::Wake`, `std::task::local_waker`, `std::task::local_waker_from_nonlocal` [INFO] [stderr] --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/futures-core-preview-0.3.0-alpha.1/src/task.rs:10:25 [INFO] [stderr] | [INFO] [stderr] 10 | pub use std::task::{Wake, local_waker, local_waker_from_nonlocal}; [INFO] [stderr] | ^^^^ ^^^^^^^^^^^ ^^^^^^^^^^^^^^^^^^^^^^^^^ no `local_waker_from_nonlocal` in `task` [INFO] [stderr] | | | [INFO] [stderr] | | no `local_waker` in `task` [INFO] [stderr] | no `Wake` in `task` [INFO] [stderr] | help: a similar name exists in the module: `Waker` [INFO] [stderr] [INFO] [stderr] error[E0554]: `#![feature]` may not be used on the stable release channel [INFO] [stderr] --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/futures-core-preview-0.3.0-alpha.1/src/lib.rs:3:1 [INFO] [stderr] | [INFO] [stderr] 3 | #![feature(pin, arbitrary_self_types, futures_api)] [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] error[E0207]: the type parameter `S` is not constrained by the impl trait, self type, or predicates [INFO] [stderr] --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/futures-core-preview-0.3.0-alpha.1/src/stream.rs:68:10 [INFO] [stderr] | [INFO] [stderr] 68 | impl<'a, S: ?Sized + Stream> Stream for PinMut<'a, S> { [INFO] [stderr] | ^ unconstrained type parameter [INFO] [stderr] [INFO] [stderr] error[E0207]: the type parameter `S` is not constrained by the impl trait, self type, or predicates [INFO] [stderr] --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/futures-core-preview-0.3.0-alpha.1/src/stream.rs:141:10 [INFO] [stderr] | [INFO] [stderr] 141 | impl Stream for PinBox { [INFO] [stderr] | ^ unconstrained type parameter [INFO] [stderr] [INFO] [stderr] error: aborting due to 9 previous errors [INFO] [stderr] [INFO] [stderr] Some errors have detailed explanations: E0207, E0432, E0554. [INFO] [stderr] For more information about an error, try `rustc --explain E0207`. [INFO] [stderr] error: Could not compile `futures-core-preview`. [INFO] [stderr] [INFO] [stderr] To learn more, run the command again with --verbose. [INFO] running `"docker" "inspect" "25f807dff8c46cb0bae538186a71f11f2a2685140b3d6f1a4691998f1c293fde"` [INFO] running `"docker" "rm" "-f" "25f807dff8c46cb0bae538186a71f11f2a2685140b3d6f1a4691998f1c293fde"` [INFO] [stdout] 25f807dff8c46cb0bae538186a71f11f2a2685140b3d6f1a4691998f1c293fde