[INFO] updating cached repository iovxw/babel [INFO] running `"git" "fetch" "--all"` [INFO] [stdout] Fetching origin [INFO] [stderr] From git://github.com/iovxw/babel [INFO] [stderr] * branch HEAD -> FETCH_HEAD [INFO] running `"git" "clone" "work/cache/sources/gh/iovxw/babel" "work/ex/pr-59199/sources/master#bc44841ad2a2ad5f6c5e67b9e35ed8e7e71d4dc7/gh/iovxw/babel"` [INFO] [stderr] Cloning into 'work/ex/pr-59199/sources/master#bc44841ad2a2ad5f6c5e67b9e35ed8e7e71d4dc7/gh/iovxw/babel'... [INFO] [stderr] done. [INFO] running `"git" "clone" "work/cache/sources/gh/iovxw/babel" "work/ex/pr-59199/sources/try#68fcf881bd1e4dbfc21e22f8c7a56b8a5d8e8f7b/gh/iovxw/babel"` [INFO] [stderr] Cloning into 'work/ex/pr-59199/sources/try#68fcf881bd1e4dbfc21e22f8c7a56b8a5d8e8f7b/gh/iovxw/babel'... [INFO] [stderr] done. [INFO] running `"git" "rev-parse" "HEAD"` [INFO] [stdout] d01d16153443656cfc54338c07c738aca881a401 [INFO] sha for GitHub repo iovxw/babel: d01d16153443656cfc54338c07c738aca881a401 [INFO] validating manifest of iovxw/babel on toolchain master#bc44841ad2a2ad5f6c5e67b9e35ed8e7e71d4dc7 [INFO] running `"/mnt/crater-raid/crater/work/local/cargo-home/bin/cargo" "+bc44841ad2a2ad5f6c5e67b9e35ed8e7e71d4dc7-alt" "read-manifest" "--manifest-path" "Cargo.toml"` [INFO] validating manifest of iovxw/babel on toolchain try#68fcf881bd1e4dbfc21e22f8c7a56b8a5d8e8f7b [INFO] running `"/mnt/crater-raid/crater/work/local/cargo-home/bin/cargo" "+68fcf881bd1e4dbfc21e22f8c7a56b8a5d8e8f7b-alt" "read-manifest" "--manifest-path" "Cargo.toml"` [INFO] started frobbing iovxw/babel [INFO] finished frobbing iovxw/babel [INFO] frobbed toml for iovxw/babel written to work/ex/pr-59199/sources/master#bc44841ad2a2ad5f6c5e67b9e35ed8e7e71d4dc7/gh/iovxw/babel/Cargo.toml [INFO] started frobbing iovxw/babel [INFO] finished frobbing iovxw/babel [INFO] frobbed toml for iovxw/babel written to work/ex/pr-59199/sources/try#68fcf881bd1e4dbfc21e22f8c7a56b8a5d8e8f7b/gh/iovxw/babel/Cargo.toml [INFO] crate iovxw/babel already has a lockfile, it will not be regenerated [INFO] running `"/mnt/crater-raid/crater/work/local/cargo-home/bin/cargo" "+bc44841ad2a2ad5f6c5e67b9e35ed8e7e71d4dc7-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"` [INFO] running `"/mnt/crater-raid/crater/work/local/cargo-home/bin/cargo" "+68fcf881bd1e4dbfc21e22f8c7a56b8a5d8e8f7b-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"` [INFO] checking iovxw/babel against master#bc44841ad2a2ad5f6c5e67b9e35ed8e7e71d4dc7 for pr-59199 [INFO] running `"docker" "create" "-v" "/mnt/crater-raid/crater/work/local/target-dirs/pr-59199/worker-7/master#bc44841ad2a2ad5f6c5e67b9e35ed8e7e71d4dc7:/opt/crater/target:rw,Z" "-v" "/mnt/crater-raid/crater/work/ex/pr-59199/sources/master#bc44841ad2a2ad5f6c5e67b9e35ed8e7e71d4dc7/gh/iovxw/babel:/opt/crater/workdir:ro,Z" "-v" "/mnt/crater-raid/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/crater-raid/crater/work/local/rustup-home:/opt/crater/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/opt/crater/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/crater/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/crater/cargo-home" "-e" "RUSTUP_HOME=/opt/crater/rustup-home" "-w" "/opt/crater/workdir" "-m" "1536M" "--network" "none" "rustops/crates-build-env" "/opt/crater/cargo-home/bin/cargo" "+bc44841ad2a2ad5f6c5e67b9e35ed8e7e71d4dc7-alt" "check" "--frozen" "--all" "--all-targets"` [INFO] [stdout] bfb4ac22db5c573b99390f691b8820dd630a217c6cd4c19fef2c6c2a100fef4e [INFO] running `"docker" "start" "-a" "bfb4ac22db5c573b99390f691b8820dd630a217c6cd4c19fef2c6c2a100fef4e"` [INFO] [stderr] Compiling openssl v0.10.11 [INFO] [stderr] Checking pin-utils v0.1.0-alpha.2 [INFO] [stderr] Checking termcolor v1.0.3 [INFO] [stderr] Compiling actix-web v0.7.7 [INFO] [stderr] Checking tokio-channel v0.1.0 [INFO] [stderr] Compiling openssl-sys v0.9.35 [INFO] [stderr] Checking futures-core-preview v0.3.0-alpha.6 [INFO] [stderr] Checking uuid v0.6.5 [INFO] [stderr] Checking http v0.1.12 [INFO] [stderr] Compiling serde_json v1.0.27 [INFO] [stderr] Checking crossbeam-epoch v0.5.2 [INFO] [stderr] Checking crossbeam-epoch v0.6.0 [INFO] [stderr] Checking serde_urlencoded v0.5.3 [INFO] [stderr] Compiling structopt-derive v0.2.10 [INFO] [stderr] Checking cookie v0.11.0 [INFO] [stderr] Compiling string_cache v0.7.3 [INFO] [stderr] Compiling selectors v0.19.0 [INFO] [stderr] error[E0432]: unresolved import `core::pin::PinMut` [INFO] [stderr] --> /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/futures-core-preview-0.3.0-alpha.6/src/future.rs:4:5 [INFO] [stderr] | [INFO] [stderr] 4 | use core::pin::PinMut; [INFO] [stderr] | ^^^^^^^^^^^^^^^^^ no `PinMut` in `pin` [INFO] [stderr] [INFO] [stderr] error[E0432]: unresolved imports `core::future::FutureObj`, `core::future::LocalFutureObj`, `core::future::UnsafeFutureObj` [INFO] [stderr] --> /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/futures-core-preview-0.3.0-alpha.6/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::pin::PinMut` [INFO] [stderr] --> /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/futures-core-preview-0.3.0-alpha.6/src/stream/mod.rs:5:5 [INFO] [stderr] | [INFO] [stderr] 5 | use core::pin::PinMut; [INFO] [stderr] | ^^^^^^^^^^^^^^^^^ no `PinMut` in `pin` [INFO] [stderr] [INFO] [stderr] error[E0432]: unresolved import `core::pin::PinMut` [INFO] [stderr] --> /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/futures-core-preview-0.3.0-alpha.6/src/stream/stream_obj.rs:5:5 [INFO] [stderr] | [INFO] [stderr] 5 | use core::pin::PinMut; [INFO] [stderr] | ^^^^^^^^^^^^^^^^^ no `PinMut` in `pin` [INFO] [stderr] [INFO] [stderr] error[E0433]: failed to resolve: use of undeclared type or module `std` [INFO] [stderr] --> /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/futures-core-preview-0.3.0-alpha.6/src/stream/stream_obj.rs:196:9 [INFO] [stderr] | [INFO] [stderr] 196 | use std::boxed::Box; [INFO] [stderr] | ^^^ use of undeclared type or module `std` [INFO] [stderr] [INFO] [stderr] error[E0433]: failed to resolve: use of undeclared type or module `std` [INFO] [stderr] --> /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/futures-core-preview-0.3.0-alpha.6/src/stream/stream_obj.rs:197:9 [INFO] [stderr] | [INFO] [stderr] 197 | use std::pin::PinBox; [INFO] [stderr] | ^^^ use of undeclared type or module `std` [INFO] [stderr] [INFO] [stderr] error[E0433]: failed to resolve: use of undeclared type or module `std` [INFO] [stderr] --> /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/futures-core-preview-0.3.0-alpha.6/src/stream/mod.rs:131:9 [INFO] [stderr] | [INFO] [stderr] 131 | use std::boxed::Box; [INFO] [stderr] | ^^^ use of undeclared type or module `std` [INFO] [stderr] [INFO] [stderr] error[E0433]: failed to resolve: use of undeclared type or module `std` [INFO] [stderr] --> /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/futures-core-preview-0.3.0-alpha.6/src/stream/mod.rs:132:9 [INFO] [stderr] | [INFO] [stderr] 132 | use std::pin::PinBox; [INFO] [stderr] | ^^^ use of undeclared type or module `std` [INFO] [stderr] [INFO] [stderr] error[E0433]: failed to resolve: use of undeclared type or module `std` [INFO] [stderr] --> /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/futures-core-preview-0.3.0-alpha.6/src/task.rs:10:13 [INFO] [stderr] | [INFO] [stderr] 10 | pub use std::task::{Wake, local_waker, local_waker_from_nonlocal}; [INFO] [stderr] | ^^^ use of undeclared type or module `std` [INFO] [stderr] [INFO] [stderr] error[E0432]: unresolved imports `core::task::Context`, `core::task::Spawn`, `core::task::LocalWaker`, `core::task::UnsafeWake`, `core::task::SpawnErrorKind`, `core::task::SpawnObjError`, `core::task::SpawnLocalObjError` [INFO] [stderr] --> /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/futures-core-preview-0.3.0-alpha.6/src/task.rs:4:5 [INFO] [stderr] | [INFO] [stderr] 4 | Context, Poll, Spawn, [INFO] [stderr] | ^^^^^^^ ^^^^^ no `Spawn` in `task` [INFO] [stderr] | | [INFO] [stderr] | no `Context` 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[E0433]: failed to resolve: use of undeclared type or module `Box` [INFO] [stderr] --> /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/futures-core-preview-0.3.0-alpha.6/src/stream/stream_obj.rs:203:13 [INFO] [stderr] | [INFO] [stderr] 203 | Box::into_raw(self) as *mut () [INFO] [stderr] | ^^^ use of undeclared type or module `Box` [INFO] [stderr] [INFO] [stderr] error[E0433]: failed to resolve: use of undeclared type or module `Box` [INFO] [stderr] --> /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/futures-core-preview-0.3.0-alpha.6/src/stream/stream_obj.rs:213:18 [INFO] [stderr] | [INFO] [stderr] 213 | drop(Box::from_raw(ptr as *mut F)) [INFO] [stderr] | ^^^ use of undeclared type or module `Box` [INFO] [stderr] [INFO] [stderr] error[E0433]: failed to resolve: use of undeclared type or module `PinBox` [INFO] [stderr] --> /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/futures-core-preview-0.3.0-alpha.6/src/stream/stream_obj.rs:221:13 [INFO] [stderr] | [INFO] [stderr] 221 | PinBox::into_raw(self) as *mut () [INFO] [stderr] | ^^^^^^ use of undeclared type or module `PinBox` [INFO] [stderr] [INFO] [stderr] error[E0433]: failed to resolve: use of undeclared type or module `PinBox` [INFO] [stderr] --> /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/futures-core-preview-0.3.0-alpha.6/src/stream/stream_obj.rs:231:18 [INFO] [stderr] | [INFO] [stderr] 231 | drop(PinBox::from_raw(ptr as *mut F)) [INFO] [stderr] | ^^^^^^ use of undeclared type or module `PinBox` [INFO] [stderr] [INFO] [stderr] error[E0433]: failed to resolve: could not find `std` in `{{root}}` [INFO] [stderr] --> /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/futures-core-preview-0.3.0-alpha.6/src/stream/mod.rs:156:34 [INFO] [stderr] | [INFO] [stderr] 156 | impl Stream for ::std::panic::AssertUnwindSafe { [INFO] [stderr] | ^^^ could not find `std` in `{{root}}` [INFO] [stderr] [INFO] [stderr] error[E0433]: failed to resolve: could not find `std` in `{{root}}` [INFO] [stderr] --> /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/futures-core-preview-0.3.0-alpha.6/src/stream/mod.rs:167:33 [INFO] [stderr] | [INFO] [stderr] 167 | impl Stream for ::std::collections::VecDeque { [INFO] [stderr] | ^^^ could not find `std` in `{{root}}` [INFO] [stderr] [INFO] [stderr] error[E0412]: cannot find type `Box` in this scope [INFO] [stderr] --> /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/futures-core-preview-0.3.0-alpha.6/src/stream/stream_obj.rs:199:54 [INFO] [stderr] | [INFO] [stderr] 199 | unsafe impl<'a, T, F> UnsafeStreamObj<'a, T> for Box [INFO] [stderr] | ^^^ not found in this scope [INFO] [stderr] [INFO] [stderr] error[E0412]: cannot find type `PinBox` in this scope [INFO] [stderr] --> /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/futures-core-preview-0.3.0-alpha.6/src/stream/stream_obj.rs:217:54 [INFO] [stderr] | [INFO] [stderr] 217 | unsafe impl<'a, T, F> UnsafeStreamObj<'a, T> for PinBox [INFO] [stderr] | ^^^^^^ not found in this scope [INFO] [stderr] [INFO] [stderr] error[E0412]: cannot find type `PinBox` in this scope [INFO] [stderr] --> /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/futures-core-preview-0.3.0-alpha.6/src/stream/stream_obj.rs:235:53 [INFO] [stderr] | [INFO] [stderr] 235 | impl<'a, F: Stream + Send + 'a> From> for StreamObj<'a, ()> { [INFO] [stderr] | ^^^^^^ not found in this scope [INFO] [stderr] [INFO] [stderr] error[E0412]: cannot find type `PinBox` in this scope [INFO] [stderr] --> /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/futures-core-preview-0.3.0-alpha.6/src/stream/stream_obj.rs:236:24 [INFO] [stderr] | [INFO] [stderr] 236 | fn from(boxed: PinBox) -> Self { [INFO] [stderr] | ^^^^^^ not found in this scope [INFO] [stderr] [INFO] [stderr] error[E0412]: cannot find type `Box` in this scope [INFO] [stderr] --> /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/futures-core-preview-0.3.0-alpha.6/src/stream/stream_obj.rs:241:53 [INFO] [stderr] | [INFO] [stderr] 241 | impl<'a, F: Stream + Send + 'a> From> for StreamObj<'a, ()> { [INFO] [stderr] | ^^^ not found in this scope [INFO] [stderr] [INFO] [stderr] error[E0412]: cannot find type `Box` in this scope [INFO] [stderr] --> /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/futures-core-preview-0.3.0-alpha.6/src/stream/stream_obj.rs:242:24 [INFO] [stderr] | [INFO] [stderr] 242 | fn from(boxed: Box) -> Self { [INFO] [stderr] | ^^^ not found in this scope [INFO] [stderr] [INFO] [stderr] error[E0412]: cannot find type `PinBox` in this scope [INFO] [stderr] --> /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/futures-core-preview-0.3.0-alpha.6/src/stream/stream_obj.rs:247:46 [INFO] [stderr] | [INFO] [stderr] 247 | impl<'a, F: Stream + 'a> From> for LocalStreamObj<'a, ()> { [INFO] [stderr] | ^^^^^^ not found in this scope [INFO] [stderr] [INFO] [stderr] error[E0412]: cannot find type `PinBox` in this scope [INFO] [stderr] --> /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/futures-core-preview-0.3.0-alpha.6/src/stream/stream_obj.rs:248:24 [INFO] [stderr] | [INFO] [stderr] 248 | fn from(boxed: PinBox) -> Self { [INFO] [stderr] | ^^^^^^ not found in this scope [INFO] [stderr] [INFO] [stderr] error[E0412]: cannot find type `Box` in this scope [INFO] [stderr] --> /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/futures-core-preview-0.3.0-alpha.6/src/stream/stream_obj.rs:253:46 [INFO] [stderr] | [INFO] [stderr] 253 | impl<'a, F: Stream + 'a> From> for LocalStreamObj<'a, ()> { [INFO] [stderr] | ^^^ not found in this scope [INFO] [stderr] [INFO] [stderr] error[E0412]: cannot find type `Box` in this scope [INFO] [stderr] --> /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/futures-core-preview-0.3.0-alpha.6/src/stream/stream_obj.rs:254:24 [INFO] [stderr] | [INFO] [stderr] 254 | fn from(boxed: Box) -> Self { [INFO] [stderr] | ^^^ not found in this scope [INFO] [stderr] [INFO] [stderr] error[E0412]: cannot find type `Box` in this scope [INFO] [stderr] --> /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/futures-core-preview-0.3.0-alpha.6/src/stream/mod.rs:134:49 [INFO] [stderr] | [INFO] [stderr] 134 | impl Stream for Box { [INFO] [stderr] | ^^^ not found in this scope [INFO] [stderr] [INFO] [stderr] error[E0412]: cannot find type `PinBox` in this scope [INFO] [stderr] --> /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/futures-core-preview-0.3.0-alpha.6/src/stream/mod.rs:145:41 [INFO] [stderr] | [INFO] [stderr] 145 | impl Stream for PinBox { [INFO] [stderr] | ^^^^^^ not found in this scope [INFO] [stderr] [INFO] [stderr] error[E0207]: the type parameter `S` is not constrained by the impl trait, self type, or predicates [INFO] [stderr] --> /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/futures-core-preview-0.3.0-alpha.6/src/stream/mod.rs:71:10 [INFO] [stderr] | [INFO] [stderr] 71 | 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/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/futures-core-preview-0.3.0-alpha.6/src/stream/mod.rs:134:10 [INFO] [stderr] | [INFO] [stderr] 134 | impl Stream for Box { [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/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/futures-core-preview-0.3.0-alpha.6/src/stream/mod.rs:145:10 [INFO] [stderr] | [INFO] [stderr] 145 | impl Stream for PinBox { [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/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/futures-core-preview-0.3.0-alpha.6/src/stream/mod.rs:156:10 [INFO] [stderr] | [INFO] [stderr] 156 | impl Stream for ::std::panic::AssertUnwindSafe { [INFO] [stderr] | ^ unconstrained type parameter [INFO] [stderr] [INFO] [stderr] error[E0207]: the type parameter `T` is not constrained by the impl trait, self type, or predicates [INFO] [stderr] --> /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/futures-core-preview-0.3.0-alpha.6/src/stream/mod.rs:167:10 [INFO] [stderr] | [INFO] [stderr] 167 | impl Stream for ::std::collections::VecDeque { [INFO] [stderr] | ^ unconstrained type parameter [INFO] [stderr] [INFO] [stderr] error[E0207]: the type parameter `F` is not constrained by the impl trait, self type, or predicates [INFO] [stderr] --> /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/futures-core-preview-0.3.0-alpha.6/src/stream/stream_obj.rs:177:20 [INFO] [stderr] | [INFO] [stderr] 177 | unsafe impl<'a, T, F> UnsafeStreamObj<'a, T> for PinMut<'a, F> [INFO] [stderr] | ^ unconstrained type parameter [INFO] [stderr] [INFO] [stderr] error[E0207]: the type parameter `F` is not constrained by the impl trait, self type, or predicates [INFO] [stderr] --> /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/futures-core-preview-0.3.0-alpha.6/src/stream/stream_obj.rs:199:24 [INFO] [stderr] | [INFO] [stderr] 199 | unsafe impl<'a, T, F> UnsafeStreamObj<'a, T> for Box [INFO] [stderr] | ^ unconstrained type parameter [INFO] [stderr] [INFO] [stderr] error[E0207]: the type parameter `F` is not constrained by the impl trait, self type, or predicates [INFO] [stderr] --> /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/futures-core-preview-0.3.0-alpha.6/src/stream/stream_obj.rs:217:24 [INFO] [stderr] | [INFO] [stderr] 217 | unsafe impl<'a, T, F> UnsafeStreamObj<'a, T> for PinBox [INFO] [stderr] | ^ unconstrained type parameter [INFO] [stderr] [INFO] [stderr] error[E0207]: the type parameter `F` is not constrained by the impl trait, self type, or predicates [INFO] [stderr] --> /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/futures-core-preview-0.3.0-alpha.6/src/stream/stream_obj.rs:235:14 [INFO] [stderr] | [INFO] [stderr] 235 | impl<'a, F: Stream + Send + 'a> From> for StreamObj<'a, ()> { [INFO] [stderr] | ^ unconstrained type parameter [INFO] [stderr] [INFO] [stderr] error[E0207]: the type parameter `F` is not constrained by the impl trait, self type, or predicates [INFO] [stderr] --> /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/futures-core-preview-0.3.0-alpha.6/src/stream/stream_obj.rs:241:14 [INFO] [stderr] | [INFO] [stderr] 241 | impl<'a, F: Stream + Send + 'a> From> for StreamObj<'a, ()> { [INFO] [stderr] | ^ unconstrained type parameter [INFO] [stderr] [INFO] [stderr] error[E0207]: the type parameter `F` is not constrained by the impl trait, self type, or predicates [INFO] [stderr] --> /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/futures-core-preview-0.3.0-alpha.6/src/stream/stream_obj.rs:247:14 [INFO] [stderr] | [INFO] [stderr] 247 | impl<'a, F: Stream + 'a> From> for LocalStreamObj<'a, ()> { [INFO] [stderr] | ^ unconstrained type parameter [INFO] [stderr] [INFO] [stderr] error[E0207]: the type parameter `F` is not constrained by the impl trait, self type, or predicates [INFO] [stderr] --> /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/futures-core-preview-0.3.0-alpha.6/src/stream/stream_obj.rs:253:14 [INFO] [stderr] | [INFO] [stderr] 253 | impl<'a, F: Stream + 'a> From> for LocalStreamObj<'a, ()> { [INFO] [stderr] | ^ unconstrained type parameter [INFO] [stderr] [INFO] [stderr] error: aborting due to 40 previous errors [INFO] [stderr] [INFO] [stderr] Some errors occurred: E0207, E0412, E0432, E0433. [INFO] [stderr] For more information about an error, try `rustc --explain E0207`. [INFO] [stderr] error: Could not compile `futures-core-preview`. [INFO] [stderr] warning: build failed, waiting for other jobs to finish... [INFO] [stderr] error: build failed [INFO] running `"docker" "inspect" "bfb4ac22db5c573b99390f691b8820dd630a217c6cd4c19fef2c6c2a100fef4e"` [INFO] running `"docker" "rm" "-f" "bfb4ac22db5c573b99390f691b8820dd630a217c6cd4c19fef2c6c2a100fef4e"` [INFO] [stdout] bfb4ac22db5c573b99390f691b8820dd630a217c6cd4c19fef2c6c2a100fef4e