[INFO] fetching crate lib3h_persistence_file 0.0.1-alpha2...
[INFO] testing lib3h_persistence_file-0.0.1-alpha2 against 1.76.0 for beta-1.77-1
[INFO] extracting crate lib3h_persistence_file 0.0.1-alpha2 into /workspace/builds/worker-7-tc1/source
[INFO] validating manifest of crates.io crate lib3h_persistence_file 0.0.1-alpha2 on toolchain 1.76.0
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.76.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate lib3h_persistence_file 0.0.1-alpha2
[INFO] finished tweaking crates.io crate lib3h_persistence_file 0.0.1-alpha2
[INFO] tweaked toml for crates.io crate lib3h_persistence_file 0.0.1-alpha2 written to /workspace/builds/worker-7-tc1/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.76.0" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.76.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded futures-select-macro-preview v0.3.0-alpha.12
[INFO] [stderr]   Downloaded lazy_static v1.2.0
[INFO] [stderr]   Downloaded futures-executor-preview v0.3.0-alpha.12
[INFO] [stderr]   Downloaded futures-io-preview v0.3.0-alpha.12
[INFO] [stderr]   Downloaded uuid v0.7.1
[INFO] [stderr]   Downloaded futures-preview v0.3.0-alpha.12
[INFO] [stderr]   Downloaded chrono v0.4.6
[INFO] [stderr]   Downloaded futures-core-preview v0.3.0-alpha.12
[INFO] [stderr]   Downloaded lib3h_persistence_derive v0.0.1-alpha1
[INFO] [stderr]   Downloaded pickledb v0.4.0
[INFO] [stderr]   Downloaded lib3h_persistence_api v0.0.1-alpha2
[INFO] [stderr]   Downloaded serde_cbor v0.9.0
[INFO] [stderr]   Downloaded futures-util-preview v0.3.0-alpha.12
[INFO] [stderr]   Downloaded futures-sink-preview v0.3.0-alpha.12
[INFO] [stderr]   Downloaded serde_json v1.0.39
[INFO] [stderr]   Downloaded serde v1.0.89
[INFO] [stderr]   Downloaded syn v0.15.31
[INFO] [stderr]   Downloaded ryu v0.2.8
[INFO] [stderr]   Downloaded serde_derive v1.0.89
[INFO] [stderr]   Downloaded reed-solomon v0.2.1
[INFO] [stderr]   Downloaded hcid v0.0.6
[INFO] [stderr]   Downloaded objekt v0.1.2
[INFO] [stderr]   Downloaded shrinkwraprs v0.2.1
[INFO] [stderr]   Downloaded sha1 v0.5.0
[INFO] [stderr]   Downloaded multihash v0.8.0
[INFO] [stderr]   Downloaded tempfile v3.0.7
[INFO] [stderr]   Downloaded rust-base58 v0.0.4
[INFO] [stderr]   Downloaded quote v0.6.11
[INFO] [stderr]   Downloaded futures-channel-preview v0.3.0-alpha.12
[INFO] [stderr]   Downloaded serde_test v1.0.89
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+1.76.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] f69ddf6729ff4fde71b4d3e801fcc9adfbf4385ac488b69e4b7893e09210e223
[INFO] running `Command { std: "docker" "start" "-a" "f69ddf6729ff4fde71b4d3e801fcc9adfbf4385ac488b69e4b7893e09210e223", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "f69ddf6729ff4fde71b4d3e801fcc9adfbf4385ac488b69e4b7893e09210e223", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f69ddf6729ff4fde71b4d3e801fcc9adfbf4385ac488b69e4b7893e09210e223", kill_on_drop: false }`
[INFO] [stdout] f69ddf6729ff4fde71b4d3e801fcc9adfbf4385ac488b69e4b7893e09210e223
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/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=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+1.76.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 051f4d51c5ee2baaf876dd2fce6c3b70bd7fdb94d9178f1607fc81d8e2899ccc
[INFO] running `Command { std: "docker" "start" "-a" "051f4d51c5ee2baaf876dd2fce6c3b70bd7fdb94d9178f1607fc81d8e2899ccc", kill_on_drop: false }`
[INFO] [stderr]    Compiling unicode-xid v0.1.0
[INFO] [stderr]    Compiling proc-macro2 v0.4.30
[INFO] [stderr]    Compiling syn v0.15.31
[INFO] [stderr]    Compiling libc v0.2.153
[INFO] [stderr]    Compiling num-traits v0.2.18
[INFO] [stderr]    Compiling serde v1.0.89
[INFO] [stderr]    Compiling either v1.10.0
[INFO] [stderr]    Compiling indexmap v1.9.3
[INFO] [stderr]    Compiling rand_core v0.4.2
[INFO] [stderr]    Compiling proc-macro-hack v0.5.20+deprecated
[INFO] [stderr]    Compiling futures-core-preview v0.3.0-alpha.12
[INFO] [stderr]    Compiling typenum v1.17.0
[INFO] [stderr]    Compiling rand_core v0.3.1
[INFO] [stderr]    Compiling num-bigint v0.4.4
[INFO] [stdout] error[E0432]: unresolved import `core::task::LocalWaker`
[INFO] [stdout]  --> /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/futures-core-preview-0.3.0-alpha.12/src/future/future_obj.rs:6:12
[INFO] [stdout]   |
[INFO] [stdout] 6 |     task::{LocalWaker, Poll},
[INFO] [stdout]   |            ^^^^^^^^^^ no `LocalWaker` in `task`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0432]: unresolved imports `core::task::LocalWaker`, `core::task::UnsafeWake`
[INFO] [stdout]  --> /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/futures-core-preview-0.3.0-alpha.12/src/task/mod.rs:8:35
[INFO] [stdout]   |
[INFO] [stdout] 8 | pub use core::task::{Poll, Waker, LocalWaker, UnsafeWake};
[INFO] [stdout]   |                                   ^^^^^^^^^^  ^^^^^^^^^^ no `UnsafeWake` in `task`
[INFO] [stdout]   |                                   |
[INFO] [stdout]   |                                   no `LocalWaker` in `task`
[INFO] [stdout]   |
[INFO] [stdout]   = note: unresolved item `crate::future::future_obj::if_std::LocalWaker` exists but is inaccessible
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0432]: unresolved imports `std::task::local_waker`, `std::task::local_waker_from_nonlocal`
[INFO] [stdout]   --> /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/futures-core-preview-0.3.0-alpha.12/src/task/mod.rs:10:27
[INFO] [stdout]    |
[INFO] [stdout] 10 | pub use std::task::{Wake, local_waker, local_waker_from_nonlocal};
[INFO] [stdout]    |                           ^^^^^^^^^^^  ^^^^^^^^^^^^^^^^^^^^^^^^^ no `local_waker_from_nonlocal` in `task`
[INFO] [stdout]    |                           |
[INFO] [stdout]    |                           no `local_waker` in `task`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the stable release channel
[INFO] [stdout]  --> /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/futures-core-preview-0.3.0-alpha.12/src/lib.rs:3:12
[INFO] [stdout]   |
[INFO] [stdout] 3 | #![feature(futures_api)]
[INFO] [stdout]   |            ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling slab v0.4.9
[INFO] [stdout] error: aborting due to 4 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0432, E0554.
[INFO] [stdout] 
[INFO] [stdout] For more information about an error, try `rustc --explain E0432`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `futures-core-preview` (lib) due to 5 previous errors
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] running `Command { std: "docker" "inspect" "051f4d51c5ee2baaf876dd2fce6c3b70bd7fdb94d9178f1607fc81d8e2899ccc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "051f4d51c5ee2baaf876dd2fce6c3b70bd7fdb94d9178f1607fc81d8e2899ccc", kill_on_drop: false }`
[INFO] [stdout] 051f4d51c5ee2baaf876dd2fce6c3b70bd7fdb94d9178f1607fc81d8e2899ccc
[INFO] testing lib3h_persistence_file-0.0.1-alpha2 against beta-2024-02-10 for beta-1.77-1
[INFO] extracting crate lib3h_persistence_file 0.0.1-alpha2 into /workspace/builds/worker-7-tc2/source
[INFO] validating manifest of crates.io crate lib3h_persistence_file 0.0.1-alpha2 on toolchain beta-2024-02-10
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2024-02-10" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate lib3h_persistence_file 0.0.1-alpha2
[INFO] finished tweaking crates.io crate lib3h_persistence_file 0.0.1-alpha2
[INFO] tweaked toml for crates.io crate lib3h_persistence_file 0.0.1-alpha2 written to /workspace/builds/worker-7-tc2/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2024-02-10" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2024-02-10" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2024-02-10" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 4e71ad6b91ce4c6fc88ee6c4f935a343a47678d3eda93cf18f5e7af15d357739
[INFO] running `Command { std: "docker" "start" "-a" "4e71ad6b91ce4c6fc88ee6c4f935a343a47678d3eda93cf18f5e7af15d357739", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "4e71ad6b91ce4c6fc88ee6c4f935a343a47678d3eda93cf18f5e7af15d357739", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4e71ad6b91ce4c6fc88ee6c4f935a343a47678d3eda93cf18f5e7af15d357739", kill_on_drop: false }`
[INFO] [stdout] 4e71ad6b91ce4c6fc88ee6c4f935a343a47678d3eda93cf18f5e7af15d357739
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/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=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2024-02-10" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 3a09ef9812b6167130d5e20411843277bbe29c62341b15564c44434349a29be7
[INFO] running `Command { std: "docker" "start" "-a" "3a09ef9812b6167130d5e20411843277bbe29c62341b15564c44434349a29be7", kill_on_drop: false }`
[INFO] [stderr]    Compiling unicode-xid v0.1.0
[INFO] [stderr]    Compiling proc-macro2 v0.4.30
[INFO] [stderr]    Compiling syn v0.15.31
[INFO] [stderr]    Compiling libc v0.2.153
[INFO] [stderr]    Compiling num-traits v0.2.18
[INFO] [stderr]    Compiling either v1.10.0
[INFO] [stderr]    Compiling serde v1.0.89
[INFO] [stderr]    Compiling indexmap v1.9.3
[INFO] [stderr]    Compiling proc-macro-hack v0.5.20+deprecated
[INFO] [stderr]    Compiling futures-core-preview v0.3.0-alpha.12
[INFO] [stderr]    Compiling typenum v1.17.0
[INFO] [stdout] error[E0432]: unresolved import `core::task::LocalWaker`
[INFO] [stdout]  --> /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/futures-core-preview-0.3.0-alpha.12/src/future/future_obj.rs:6:12
[INFO] [stdout]   |
[INFO] [stdout] 6 |     task::{LocalWaker, Poll},
[INFO] [stdout]   |            ^^^^^^^^^^ no `LocalWaker` in `task`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0432]: unresolved imports `core::task::LocalWaker`, `core::task::UnsafeWake`
[INFO] [stdout]  --> /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/futures-core-preview-0.3.0-alpha.12/src/task/mod.rs:8:35
[INFO] [stdout]   |
[INFO] [stdout] 8 | pub use core::task::{Poll, Waker, LocalWaker, UnsafeWake};
[INFO] [stdout]   |                                   ^^^^^^^^^^  ^^^^^^^^^^ no `UnsafeWake` in `task`
[INFO] [stdout]   |                                   |
[INFO] [stdout]   |                                   no `LocalWaker` in `task`
[INFO] [stdout]   |
[INFO] [stdout]   = note: unresolved item `crate::future::future_obj::if_std::LocalWaker` exists but is inaccessible
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0432]: unresolved imports `std::task::local_waker`, `std::task::local_waker_from_nonlocal`
[INFO] [stdout]   --> /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/futures-core-preview-0.3.0-alpha.12/src/task/mod.rs:10:27
[INFO] [stdout]    |
[INFO] [stdout] 10 | pub use std::task::{Wake, local_waker, local_waker_from_nonlocal};
[INFO] [stdout]    |                           ^^^^^^^^^^^  ^^^^^^^^^^^^^^^^^^^^^^^^^ no `local_waker_from_nonlocal` in `task`
[INFO] [stdout]    |                           |
[INFO] [stdout]    |                           no `local_waker` in `task`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the beta release channel
[INFO] [stdout]  --> /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/futures-core-preview-0.3.0-alpha.12/src/lib.rs:3:12
[INFO] [stdout]   |
[INFO] [stdout] 3 | #![feature(futures_api)]
[INFO] [stdout]   |            ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0392]: parameter `T` is never used
[INFO] [stdout]   --> /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/futures-core-preview-0.3.0-alpha.12/src/future/future_obj.rs:90:26
[INFO] [stdout]    |
[INFO] [stdout] 90 | pub struct FutureObj<'a, T>(LocalFutureObj<'a, T>);
[INFO] [stdout]    |                          ^ unused parameter
[INFO] [stdout]    |
[INFO] [stdout]    = help: consider removing `T`, referring to it in a field, or using a marker such as `PhantomData`
[INFO] [stdout]    = help: if you intended `T` to be a const parameter, use `const T: usize` instead
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0392]: parameter `T` is never used
[INFO] [stdout]   --> /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/futures-core-preview-0.3.0-alpha.12/src/stream/stream_obj.rs:87:26
[INFO] [stdout]    |
[INFO] [stdout] 87 | pub struct StreamObj<'a, T>(LocalStreamObj<'a, T>);
[INFO] [stdout]    |                          ^ unused parameter
[INFO] [stdout]    |
[INFO] [stdout]    = help: consider removing `T`, referring to it in a field, or using a marker such as `PhantomData`
[INFO] [stdout]    = help: if you intended `T` to be a const parameter, use `const T: usize` instead
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0282]: type annotations needed
[INFO] [stdout]   --> /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/futures-core-preview-0.3.0-alpha.12/src/future/future_obj.rs:28:9
[INFO] [stdout]    |
[INFO] [stdout] 28 | /         LocalFutureObj {
[INFO] [stdout] 29 | |             ptr: f.into_raw(),
[INFO] [stdout] 30 | |             poll_fn: F::poll,
[INFO] [stdout] 31 | |             drop_fn: F::drop,
[INFO] [stdout] 32 | |             _marker: PhantomData,
[INFO] [stdout] 33 | |         }
[INFO] [stdout]    | |_________^ cannot infer type of the type parameter `T` declared on the struct `LocalFutureObj`
[INFO] [stdout]    |
[INFO] [stdout] help: consider specifying the generic argument
[INFO] [stdout]    |
[INFO] [stdout] 28 |         LocalFutureObj::<T> {
[INFO] [stdout]    |                       +++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0282]: type annotations needed
[INFO] [stdout]   --> /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/futures-core-preview-0.3.0-alpha.12/src/future/future_obj.rs:42:9
[INFO] [stdout]    |
[INFO] [stdout] 42 |         FutureObj(self)
[INFO] [stdout]    |         ^^^^^^^^^ cannot infer type of the type parameter `T` declared on the struct `FutureObj`
[INFO] [stdout]    |
[INFO] [stdout] help: consider specifying the generic argument
[INFO] [stdout]    |
[INFO] [stdout] 42 |         FutureObj::<T>(self)
[INFO] [stdout]    |                  +++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0282]: type annotations needed
[INFO] [stdout]   --> /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/futures-core-preview-0.3.0-alpha.12/src/future/future_obj.rs:99:9
[INFO] [stdout]    |
[INFO] [stdout] 99 |         FutureObj(LocalFutureObj::new(f))
[INFO] [stdout]    |         ^^^^^^^^^ cannot infer type of the type parameter `T` declared on the struct `FutureObj`
[INFO] [stdout]    |
[INFO] [stdout] help: consider specifying the generic argument
[INFO] [stdout]    |
[INFO] [stdout] 99 |         FutureObj::<T>(LocalFutureObj::new(f))
[INFO] [stdout]    |                  +++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0282]: type annotations needed
[INFO] [stdout]   --> /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/futures-core-preview-0.3.0-alpha.12/src/stream/stream_obj.rs:27:9
[INFO] [stdout]    |
[INFO] [stdout] 27 | /         LocalStreamObj {
[INFO] [stdout] 28 | |             ptr: f.into_raw(),
[INFO] [stdout] 29 | |             poll_next_fn: F::poll_next,
[INFO] [stdout] 30 | |             drop_fn: F::drop,
[INFO] [stdout] 31 | |             _marker: PhantomData,
[INFO] [stdout] 32 | |         }
[INFO] [stdout]    | |_________^ cannot infer type of the type parameter `T` declared on the struct `LocalStreamObj`
[INFO] [stdout]    |
[INFO] [stdout] help: consider specifying the generic argument
[INFO] [stdout]    |
[INFO] [stdout] 27 |         LocalStreamObj::<T> {
[INFO] [stdout]    |                       +++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0282]: type annotations needed
[INFO] [stdout]   --> /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/futures-core-preview-0.3.0-alpha.12/src/stream/stream_obj.rs:41:9
[INFO] [stdout]    |
[INFO] [stdout] 41 |         StreamObj(self)
[INFO] [stdout]    |         ^^^^^^^^^ cannot infer type of the type parameter `T` declared on the struct `StreamObj`
[INFO] [stdout]    |
[INFO] [stdout] help: consider specifying the generic argument
[INFO] [stdout]    |
[INFO] [stdout] 41 |         StreamObj::<T>(self)
[INFO] [stdout]    |                  +++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0282]: type annotations needed
[INFO] [stdout]   --> /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/futures-core-preview-0.3.0-alpha.12/src/stream/stream_obj.rs:96:9
[INFO] [stdout]    |
[INFO] [stdout] 96 |         StreamObj(LocalStreamObj::new(f))
[INFO] [stdout]    |         ^^^^^^^^^ cannot infer type of the type parameter `T` declared on the struct `StreamObj`
[INFO] [stdout]    |
[INFO] [stdout] help: consider specifying the generic argument
[INFO] [stdout]    |
[INFO] [stdout] 96 |         StreamObj::<T>(LocalStreamObj::new(f))
[INFO] [stdout]    |                  +++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 12 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0282, E0392, E0432, E0554.
[INFO] [stdout] 
[INFO] [stdout] For more information about an error, try `rustc --explain E0282`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `futures-core-preview` (lib) due to 13 previous errors
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] running `Command { std: "docker" "inspect" "3a09ef9812b6167130d5e20411843277bbe29c62341b15564c44434349a29be7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3a09ef9812b6167130d5e20411843277bbe29c62341b15564c44434349a29be7", kill_on_drop: false }`
[INFO] [stdout] 3a09ef9812b6167130d5e20411843277bbe29c62341b15564c44434349a29be7
