[INFO] cloning repository https://github.com/skade/tbd-again
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/skade/tbd-again" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fskade%2Ftbd-again", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fskade%2Ftbd-again'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 2bf7187e5a5ac7dc5c1aba0a2967846c95833676
[INFO] building skade/tbd-again against master#881c1ac408d93bb7adaa3a51dabab9266e82eee8 for issue-85264
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fskade%2Ftbd-again" "/workspace/builds/worker-13/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-13/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/skade/tbd-again on toolchain 881c1ac408d93bb7adaa3a51dabab9266e82eee8
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+881c1ac408d93bb7adaa3a51dabab9266e82eee8" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/skade/tbd-again
[INFO] finished tweaking git repo https://github.com/skade/tbd-again
[INFO] tweaked toml for git repo https://github.com/skade/tbd-again written to /workspace/builds/worker-13/source/Cargo.toml
[INFO] crate git repo https://github.com/skade/tbd-again already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+881c1ac408d93bb7adaa3a51dabab9266e82eee8" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr] warning: /workspace/builds/worker-13/source/tbd-sqlite3/Cargo.toml: the cargo feature `edition` has been stabilized in the 1.31 release and is no longer necessary to be listed in the manifest
[INFO] [stderr]   See https://doc.rust-lang.org/nightly/cargo/reference/manifest.html#the-edition-field for more information about using this feature.
[INFO] [stderr] warning: /workspace/builds/worker-13/source/tbd-core/Cargo.toml: the cargo feature `edition` has been stabilized in the 1.31 release and is no longer necessary to be listed in the manifest
[INFO] [stderr]   See https://doc.rust-lang.org/nightly/cargo/reference/manifest.html#the-edition-field for more information about using this feature.
[INFO] [stderr] warning: /workspace/builds/worker-13/source/tbd-memory/Cargo.toml: the cargo feature `edition` has been stabilized in the 1.31 release and is no longer necessary to be listed in the manifest
[INFO] [stderr]   See https://doc.rust-lang.org/nightly/cargo/reference/manifest.html#the-edition-field for more information about using this feature.
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded libsqlite3-sys v0.9.3
[INFO] [stderr]   Downloaded futures-executor-preview v0.3.0-alpha.5
[INFO] [stderr]   Downloaded futures-channel-preview v0.3.0-alpha.5
[INFO] [stderr]   Downloaded futures-core-preview v0.3.0-alpha.5
[INFO] [stderr]   Downloaded pin-utils v0.1.0-alpha.2
[INFO] [stderr]   Downloaded futures-sink-preview v0.3.0-alpha.5
[INFO] [stderr]   Downloaded rusqlite v0.14.0
[INFO] [stderr]   Downloaded futures-util-preview v0.3.0-alpha.5
[INFO] [stderr]   Downloaded futures-io-preview v0.3.0-alpha.5
[INFO] [stderr]   Downloaded futures-preview v0.3.0-alpha.5
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+881c1ac408d93bb7adaa3a51dabab9266e82eee8" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 155cf5d37d2cb0356958683e5e5292dcf951a554d37b90b0f6294f16939bc15c
[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" "155cf5d37d2cb0356958683e5e5292dcf951a554d37b90b0f6294f16939bc15c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "155cf5d37d2cb0356958683e5e5292dcf951a554d37b90b0f6294f16939bc15c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "155cf5d37d2cb0356958683e5e5292dcf951a554d37b90b0f6294f16939bc15c", kill_on_drop: false }`
[INFO] [stdout] 155cf5d37d2cb0356958683e5e5292dcf951a554d37b90b0f6294f16939bc15c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+881c1ac408d93bb7adaa3a51dabab9266e82eee8" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] b99d989753bbe7ddc8178aa1c7cc9743ef67aa9bfd7432cf0d3338e58be8e009
[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" "b99d989753bbe7ddc8178aa1c7cc9743ef67aa9bfd7432cf0d3338e58be8e009", kill_on_drop: false }`
[INFO] [stderr] warning: /opt/rustwide/workdir/tbd-core/Cargo.toml: the cargo feature `edition` has been stabilized in the 1.31 release and is no longer necessary to be listed in the manifest
[INFO] [stderr]   See https://doc.rust-lang.org/nightly/cargo/reference/manifest.html#the-edition-field for more information about using this feature.
[INFO] [stderr] warning: /opt/rustwide/workdir/tbd-memory/Cargo.toml: the cargo feature `edition` has been stabilized in the 1.31 release and is no longer necessary to be listed in the manifest
[INFO] [stderr]   See https://doc.rust-lang.org/nightly/cargo/reference/manifest.html#the-edition-field for more information about using this feature.
[INFO] [stderr] warning: /opt/rustwide/workdir/tbd-sqlite3/Cargo.toml: the cargo feature `edition` has been stabilized in the 1.31 release and is no longer necessary to be listed in the manifest
[INFO] [stderr]   See https://doc.rust-lang.org/nightly/cargo/reference/manifest.html#the-edition-field for more information about using this feature.
[INFO] [stderr]    Compiling libc v0.2.43
[INFO] [stderr]    Compiling either v1.5.0
[INFO] [stderr]    Compiling version_check v0.1.4
[INFO] [stderr]    Compiling pin-utils v0.1.0-alpha.2
[INFO] [stderr]    Compiling slab v0.4.1
[INFO] [stderr]    Compiling pkg-config v0.3.14
[INFO] [stderr]    Compiling linked-hash-map v0.4.2
[INFO] [stderr]    Compiling bitflags v1.0.4
[INFO] [stderr]    Compiling futures-core-preview v0.3.0-alpha.5
[INFO] [stderr]    Compiling lru-cache v0.1.1
[INFO] [stdout] error[E0432]: unresolved import `core::pin::PinMut`
[INFO] [stdout]  --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/futures-core-preview-0.3.0-alpha.5/src/future.rs:4:5
[INFO] [stdout]   |
[INFO] [stdout] 4 | use core::pin::PinMut;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^ no `PinMut` in `pin`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0432]: unresolved imports `core::future::FutureObj`, `core::future::LocalFutureObj`, `core::future::UnsafeFutureObj`
[INFO] [stdout]  --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/futures-core-preview-0.3.0-alpha.5/src/future.rs:6:32
[INFO] [stdout]   |
[INFO] [stdout] 6 | pub use core::future::{Future, FutureObj, LocalFutureObj, UnsafeFutureObj};
[INFO] [stdout]   |                                ^^^^^^^^^  ^^^^^^^^^^^^^^  ^^^^^^^^^^^^^^^ no `UnsafeFutureObj` in `future`
[INFO] [stdout]   |                                |          |
[INFO] [stdout]   |                                |          no `LocalFutureObj` in `future`
[INFO] [stdout]   |                                no `FutureObj` in `future`
[INFO] [stdout]   |                                help: a similar name exists in the module: `Future`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0432]: unresolved import `core::pin::PinMut`
[INFO] [stdout]  --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/futures-core-preview-0.3.0-alpha.5/src/stream/mod.rs:5:5
[INFO] [stdout]   |
[INFO] [stdout] 5 | use core::pin::PinMut;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^ no `PinMut` in `pin`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0432]: unresolved import `core::pin::PinMut`
[INFO] [stdout]  --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/futures-core-preview-0.3.0-alpha.5/src/stream/stream_obj.rs:5:5
[INFO] [stdout]   |
[INFO] [stdout] 5 | use core::pin::PinMut;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^ no `PinMut` in `pin`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared crate or module `std`
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/futures-core-preview-0.3.0-alpha.5/src/stream/stream_obj.rs:196:9
[INFO] [stdout]     |
[INFO] [stdout] 196 |     use std::boxed::Box;
[INFO] [stdout]     |         ^^^ use of undeclared crate or module `std`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared crate or module `std`
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/futures-core-preview-0.3.0-alpha.5/src/stream/stream_obj.rs:197:9
[INFO] [stdout]     |
[INFO] [stdout] 197 |     use std::pin::PinBox;
[INFO] [stdout]     |         ^^^ use of undeclared crate or module `std`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared crate or module `std`
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/futures-core-preview-0.3.0-alpha.5/src/stream/mod.rs:131:9
[INFO] [stdout]     |
[INFO] [stdout] 131 |     use std::boxed::Box;
[INFO] [stdout]     |         ^^^ use of undeclared crate or module `std`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared crate or module `std`
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/futures-core-preview-0.3.0-alpha.5/src/stream/mod.rs:132:9
[INFO] [stdout]     |
[INFO] [stdout] 132 |     use std::pin::PinBox;
[INFO] [stdout]     |         ^^^ use of undeclared crate or module `std`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared crate or module `std`
[INFO] [stdout]   --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/futures-core-preview-0.3.0-alpha.5/src/task.rs:10:13
[INFO] [stdout]    |
[INFO] [stdout] 10 |     pub use std::task::{Wake, local_waker, local_waker_from_nonlocal};
[INFO] [stdout]    |             ^^^ use of undeclared crate or module `std`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0432]: unresolved imports `core::task::Spawn`, `core::task::LocalWaker`, `core::task::UnsafeWake`, `core::task::SpawnErrorKind`, `core::task::SpawnObjError`, `core::task::SpawnLocalObjError`
[INFO] [stdout]  --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/futures-core-preview-0.3.0-alpha.5/src/task.rs:4:20
[INFO] [stdout]   |
[INFO] [stdout] 4 |     Context, Poll, Spawn,
[INFO] [stdout]   |                    ^^^^^ no `Spawn` in `task`
[INFO] [stdout] 5 |     Waker, LocalWaker, UnsafeWake,
[INFO] [stdout]   |            ^^^^^^^^^^  ^^^^^^^^^^ no `UnsafeWake` in `task`
[INFO] [stdout]   |            |
[INFO] [stdout]   |            no `LocalWaker` in `task`
[INFO] [stdout] 6 |     SpawnErrorKind, SpawnObjError, SpawnLocalObjError,
[INFO] [stdout]   |     ^^^^^^^^^^^^^^  ^^^^^^^^^^^^^  ^^^^^^^^^^^^^^^^^^ no `SpawnLocalObjError` in `task`
[INFO] [stdout]   |     |               |
[INFO] [stdout]   |     |               no `SpawnObjError` in `task`
[INFO] [stdout]   |     no `SpawnErrorKind` in `task`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared type `Box`
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/futures-core-preview-0.3.0-alpha.5/src/stream/stream_obj.rs:203:13
[INFO] [stdout]     |
[INFO] [stdout] 203 |             Box::into_raw(self) as *mut ()
[INFO] [stdout]     |             ^^^ use of undeclared type `Box`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared type `Box`
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/futures-core-preview-0.3.0-alpha.5/src/stream/stream_obj.rs:213:18
[INFO] [stdout]     |
[INFO] [stdout] 213 |             drop(Box::from_raw(ptr as *mut F))
[INFO] [stdout]     |                  ^^^ use of undeclared type `Box`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared type `PinBox`
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/futures-core-preview-0.3.0-alpha.5/src/stream/stream_obj.rs:221:13
[INFO] [stdout]     |
[INFO] [stdout] 221 |             PinBox::into_raw(self) as *mut ()
[INFO] [stdout]     |             ^^^^^^ use of undeclared type `PinBox`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared type `PinBox`
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/futures-core-preview-0.3.0-alpha.5/src/stream/stream_obj.rs:231:18
[INFO] [stdout]     |
[INFO] [stdout] 231 |             drop(PinBox::from_raw(ptr as *mut F))
[INFO] [stdout]     |                  ^^^^^^ use of undeclared type `PinBox`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: could not find `std` in the list of imported crates
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/futures-core-preview-0.3.0-alpha.5/src/stream/mod.rs:156:34
[INFO] [stdout]     |
[INFO] [stdout] 156 |     impl<S: Stream> Stream for ::std::panic::AssertUnwindSafe<S> {
[INFO] [stdout]     |                                  ^^^ could not find `std` in the list of imported crates
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: could not find `std` in the list of imported crates
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/futures-core-preview-0.3.0-alpha.5/src/stream/mod.rs:167:33
[INFO] [stdout]     |
[INFO] [stdout] 167 |     impl<T: Unpin> Stream for ::std::collections::VecDeque<T> {
[INFO] [stdout]     |                                 ^^^ could not find `std` in the list of imported crates
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0412]: cannot find type `Box` in this scope
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/futures-core-preview-0.3.0-alpha.5/src/stream/stream_obj.rs:199:54
[INFO] [stdout]     |
[INFO] [stdout] 199 |     unsafe impl<'a, T, F> UnsafeStreamObj<'a, T> for Box<F>
[INFO] [stdout]     |                                                      ^^^ not found in this scope
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0412]: cannot find type `PinBox` in this scope
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/futures-core-preview-0.3.0-alpha.5/src/stream/stream_obj.rs:217:54
[INFO] [stdout]     |
[INFO] [stdout] 217 |     unsafe impl<'a, T, F> UnsafeStreamObj<'a, T> for PinBox<F>
[INFO] [stdout]     |                                                      ^^^^^^ not found in this scope
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0412]: cannot find type `PinBox` in this scope
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/futures-core-preview-0.3.0-alpha.5/src/stream/stream_obj.rs:235:53
[INFO] [stdout]     |
[INFO] [stdout] 235 |     impl<'a, F: Stream<Item = ()> + Send + 'a> From<PinBox<F>> for StreamObj<'a, ()> {
[INFO] [stdout]     |                                                     ^^^^^^ not found in this scope
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0412]: cannot find type `PinBox` in this scope
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/futures-core-preview-0.3.0-alpha.5/src/stream/stream_obj.rs:236:24
[INFO] [stdout]     |
[INFO] [stdout] 236 |         fn from(boxed: PinBox<F>) -> Self {
[INFO] [stdout]     |                        ^^^^^^ not found in this scope
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0412]: cannot find type `Box` in this scope
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/futures-core-preview-0.3.0-alpha.5/src/stream/stream_obj.rs:241:53
[INFO] [stdout]     |
[INFO] [stdout] 241 |     impl<'a, F: Stream<Item = ()> + Send + 'a> From<Box<F>> for StreamObj<'a, ()> {
[INFO] [stdout]     |                                                     ^^^ not found in this scope
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0412]: cannot find type `Box` in this scope
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/futures-core-preview-0.3.0-alpha.5/src/stream/stream_obj.rs:242:24
[INFO] [stdout]     |
[INFO] [stdout] 242 |         fn from(boxed: Box<F>) -> Self {
[INFO] [stdout]     |                        ^^^ not found in this scope
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0412]: cannot find type `PinBox` in this scope
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/futures-core-preview-0.3.0-alpha.5/src/stream/stream_obj.rs:247:46
[INFO] [stdout]     |
[INFO] [stdout] 247 |     impl<'a, F: Stream<Item = ()> + 'a> From<PinBox<F>> for LocalStreamObj<'a, ()> {
[INFO] [stdout]     |                                              ^^^^^^ not found in this scope
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0412]: cannot find type `PinBox` in this scope
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/futures-core-preview-0.3.0-alpha.5/src/stream/stream_obj.rs:248:24
[INFO] [stdout]     |
[INFO] [stdout] 248 |         fn from(boxed: PinBox<F>) -> Self {
[INFO] [stdout]     |                        ^^^^^^ not found in this scope
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0412]: cannot find type `Box` in this scope
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/futures-core-preview-0.3.0-alpha.5/src/stream/stream_obj.rs:253:46
[INFO] [stdout]     |
[INFO] [stdout] 253 |     impl<'a, F: Stream<Item = ()> + 'a> From<Box<F>> for LocalStreamObj<'a, ()> {
[INFO] [stdout]     |                                              ^^^ not found in this scope
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0412]: cannot find type `Box` in this scope
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/futures-core-preview-0.3.0-alpha.5/src/stream/stream_obj.rs:254:24
[INFO] [stdout]     |
[INFO] [stdout] 254 |         fn from(boxed: Box<F>) -> Self {
[INFO] [stdout]     |                        ^^^ not found in this scope
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0412]: cannot find type `Box` in this scope
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/futures-core-preview-0.3.0-alpha.5/src/stream/mod.rs:134:49
[INFO] [stdout]     |
[INFO] [stdout] 134 |     impl<S: ?Sized + Stream + Unpin> Stream for Box<S> {
[INFO] [stdout]     |                                                 ^^^ not found in this scope
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0412]: cannot find type `PinBox` in this scope
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/futures-core-preview-0.3.0-alpha.5/src/stream/mod.rs:145:41
[INFO] [stdout]     |
[INFO] [stdout] 145 |     impl<S: ?Sized + Stream> Stream for PinBox<S> {
[INFO] [stdout]     |                                         ^^^^^^ not found in this scope
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0207]: the type parameter `F` is not constrained by the impl trait, self type, or predicates
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/futures-core-preview-0.3.0-alpha.5/src/stream/stream_obj.rs:235:14
[INFO] [stdout]     |
[INFO] [stdout] 235 |     impl<'a, F: Stream<Item = ()> + Send + 'a> From<PinBox<F>> for StreamObj<'a, ()> {
[INFO] [stdout]     |              ^ unconstrained type parameter
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0207]: the type parameter `F` is not constrained by the impl trait, self type, or predicates
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/futures-core-preview-0.3.0-alpha.5/src/stream/stream_obj.rs:241:14
[INFO] [stdout]     |
[INFO] [stdout] 241 |     impl<'a, F: Stream<Item = ()> + Send + 'a> From<Box<F>> for StreamObj<'a, ()> {
[INFO] [stdout]     |              ^ unconstrained type parameter
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0207]: the type parameter `F` is not constrained by the impl trait, self type, or predicates
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/futures-core-preview-0.3.0-alpha.5/src/stream/stream_obj.rs:247:14
[INFO] [stdout]     |
[INFO] [stdout] 247 |     impl<'a, F: Stream<Item = ()> + 'a> From<PinBox<F>> for LocalStreamObj<'a, ()> {
[INFO] [stdout]     |              ^ unconstrained type parameter
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0207]: the type parameter `F` is not constrained by the impl trait, self type, or predicates
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/futures-core-preview-0.3.0-alpha.5/src/stream/stream_obj.rs:253:14
[INFO] [stdout]     |
[INFO] [stdout] 253 |     impl<'a, F: Stream<Item = ()> + 'a> From<Box<F>> for LocalStreamObj<'a, ()> {
[INFO] [stdout]     |              ^ unconstrained type parameter
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 32 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0207, E0412, E0432, E0433.
[INFO] [stdout] 
[INFO] [stdout] For more information about an error, try `rustc --explain E0207`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `futures-core-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: build failed
[INFO] running `Command { std: "docker" "inspect" "b99d989753bbe7ddc8178aa1c7cc9743ef67aa9bfd7432cf0d3338e58be8e009", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b99d989753bbe7ddc8178aa1c7cc9743ef67aa9bfd7432cf0d3338e58be8e009", kill_on_drop: false }`
[INFO] [stdout] b99d989753bbe7ddc8178aa1c7cc9743ef67aa9bfd7432cf0d3338e58be8e009
