[INFO] fetching crate ex-futures 0.4.9...
[INFO] checking ex-futures-0.4.9 against beta for pr-78714
[INFO] extracting crate ex-futures 0.4.9 into /workspace/builds/worker-4/source
[INFO] validating manifest of crates.io crate ex-futures 0.4.9 on toolchain beta
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate ex-futures 0.4.9
[INFO] finished tweaking crates.io crate ex-futures 0.4.9
[INFO] tweaked toml for crates.io crate ex-futures 0.4.9 written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "rustops/crates-build-env@sha256:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+beta" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 8a2aaac56e291221a8e0c56f21eb8b57f1e6d5112064fceb8dfef7d4cdefadb3
[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" "8a2aaac56e291221a8e0c56f21eb8b57f1e6d5112064fceb8dfef7d4cdefadb3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "8a2aaac56e291221a8e0c56f21eb8b57f1e6d5112064fceb8dfef7d4cdefadb3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8a2aaac56e291221a8e0c56f21eb8b57f1e6d5112064fceb8dfef7d4cdefadb3", kill_on_drop: false }`
[INFO] [stdout] 8a2aaac56e291221a8e0c56f21eb8b57f1e6d5112064fceb8dfef7d4cdefadb3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "rustops/crates-build-env@sha256:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+beta" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] b2da98bf273ad0ce86b98a1402e9550e8020762c7bca2c70996bbce57e45324a
[INFO] running `Command { std: "docker" "start" "-a" "b2da98bf273ad0ce86b98a1402e9550e8020762c7bca2c70996bbce57e45324a", kill_on_drop: false }`
[INFO] [stderr]     Checking ex-futures v0.4.9 (/opt/rustwide/workdir)
[INFO] [stderr]     Checking tokio-io v0.1.13
[INFO] [stderr]     Checking mio-uds v0.6.8
[INFO] [stdout] warning: unused `#[macro_use]` import
[INFO] [stdout]  --> src/lib.rs:1:1
[INFO] [stdout]   |
[INFO] [stdout] 1 | #[macro_use]
[INFO] [stdout]   | ^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: bounds on generic parameters are not enforced in type aliases
[INFO] [stdout]   --> src/stream/mod.rs:19:19
[INFO] [stdout]    |
[INFO] [stdout] 19 | pub type AsErr<S: Stream, E> = Then<
[INFO] [stdout]    |                   ^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(type_alias_bounds)]` on by default
[INFO] [stdout] help: use fully disambiguated paths (i.e., `<T as Trait>::Assoc`) to refer to associated types in type aliases
[INFO] [stdout]   --> src/stream/mod.rs:21:15
[INFO] [stdout]    |
[INFO] [stdout] 21 |     fn(Result<S::Item, ()>) -> Result<S::Item, E>,
[INFO] [stdout]    |               ^^^^^^^
[INFO] [stdout] help: use fully disambiguated paths (i.e., `<T as Trait>::Assoc`) to refer to associated types in type aliases
[INFO] [stdout]   --> src/stream/mod.rs:21:39
[INFO] [stdout]    |
[INFO] [stdout] 21 |     fn(Result<S::Item, ()>) -> Result<S::Item, E>,
[INFO] [stdout]    |                                       ^^^^^^^
[INFO] [stdout] help: use fully disambiguated paths (i.e., `<T as Trait>::Assoc`) to refer to associated types in type aliases
[INFO] [stdout]   --> src/stream/mod.rs:22:12
[INFO] [stdout]    |
[INFO] [stdout] 22 |     Result<S::Item, E>,
[INFO] [stdout]    |            ^^^^^^^
[INFO] [stdout] help: the bound will not be checked when the type alias is used, and should be removed
[INFO] [stdout]    |
[INFO] [stdout] 19 | pub type AsErr<S, E> = Then<
[INFO] [stdout]    |                --
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: bounds on generic parameters are not enforced in type aliases
[INFO] [stdout]   --> src/stream/unsync_cloneable.rs:33:15
[INFO] [stdout]    |
[INFO] [stdout] 33 | type Queue<S: Stream> = RefCell<VecDeque<Result<Option<S::Item>, S::Error>>>;
[INFO] [stdout]    |               ^^^^^^
[INFO] [stdout]    |
[INFO] [stdout] help: use fully disambiguated paths (i.e., `<T as Trait>::Assoc`) to refer to associated types in type aliases
[INFO] [stdout]   --> src/stream/unsync_cloneable.rs:33:56
[INFO] [stdout]    |
[INFO] [stdout] 33 | type Queue<S: Stream> = RefCell<VecDeque<Result<Option<S::Item>, S::Error>>>;
[INFO] [stdout]    |                                                        ^^^^^^^
[INFO] [stdout] help: use fully disambiguated paths (i.e., `<T as Trait>::Assoc`) to refer to associated types in type aliases
[INFO] [stdout]   --> src/stream/unsync_cloneable.rs:33:66
[INFO] [stdout]    |
[INFO] [stdout] 33 | type Queue<S: Stream> = RefCell<VecDeque<Result<Option<S::Item>, S::Error>>>;
[INFO] [stdout]    |                                                                  ^^^^^^^^
[INFO] [stdout] help: the bound will not be checked when the type alias is used, and should be removed
[INFO] [stdout]    |
[INFO] [stdout] 33 | type Queue<S> = RefCell<VecDeque<Result<Option<S::Item>, S::Error>>>;
[INFO] [stdout]    |            --
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: bounds on generic parameters are not enforced in type aliases
[INFO] [stdout]   --> src/stream/cloneable.rs:38:15
[INFO] [stdout]    |
[INFO] [stdout] 38 | type Queue<S: Stream> = Mutex<VecDeque<Result<Option<S::Item>, S::Error>>>;
[INFO] [stdout]    |               ^^^^^^
[INFO] [stdout]    |
[INFO] [stdout] help: use fully disambiguated paths (i.e., `<T as Trait>::Assoc`) to refer to associated types in type aliases
[INFO] [stdout]   --> src/stream/cloneable.rs:38:54
[INFO] [stdout]    |
[INFO] [stdout] 38 | type Queue<S: Stream> = Mutex<VecDeque<Result<Option<S::Item>, S::Error>>>;
[INFO] [stdout]    |                                                      ^^^^^^^
[INFO] [stdout] help: use fully disambiguated paths (i.e., `<T as Trait>::Assoc`) to refer to associated types in type aliases
[INFO] [stdout]   --> src/stream/cloneable.rs:38:64
[INFO] [stdout]    |
[INFO] [stdout] 38 | type Queue<S: Stream> = Mutex<VecDeque<Result<Option<S::Item>, S::Error>>>;
[INFO] [stdout]    |                                                                ^^^^^^^^
[INFO] [stdout] help: the bound will not be checked when the type alias is used, and should be removed
[INFO] [stdout]    |
[INFO] [stdout] 38 | type Queue<S> = Mutex<VecDeque<Result<Option<S::Item>, S::Error>>>;
[INFO] [stdout]    |            --
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 4 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Checking tokio-reactor v0.1.12
[INFO] [stderr]     Checking tokio-codec v0.1.2
[INFO] [stderr]     Checking tokio-fs v0.1.7
[INFO] [stderr]     Checking tokio-tcp v0.1.4
[INFO] [stderr]     Checking tokio-udp v0.1.6
[INFO] [stderr]     Checking tokio-uds v0.2.7
[INFO] [stderr]     Checking tokio v0.1.22
[INFO] [stderr]     Checking tokio-core v0.1.17
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> tests/sink_unsync_cloneable.rs:46:24
[INFO] [stdout]    |
[INFO] [stdout] 46 | fn new_stream() -> Box<Stream<Item = usize, Error = SendError<usize>>> {
[INFO] [stdout]    |                        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Stream<Item = usize, Error = SendError<usize>>`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> tests/sink_cloneable.rs:46:24
[INFO] [stdout]    |
[INFO] [stdout] 46 | fn new_stream() -> Box<Stream<Item = usize, Error = SendError<usize>>> {
[INFO] [stdout]    |                        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Stream<Item = usize, Error = SendError<usize>>`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the beta release channel
[INFO] [stdout]  --> benches/stream_unsync_cloneable.rs:1:1
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![feature(test)]
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the beta release channel
[INFO] [stdout]  --> benches/stream_cloneable.rs:1:1
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![feature(test)]
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary trailing semicolon
[INFO] [stdout]   --> benches/stream_unsync_cloneable.rs:38:50
[INFO] [stdout]    |
[INFO] [stdout] 38 |     let mut cloneable_rx2 = cloneable_rx.clone();;
[INFO] [stdout]    |                                                  ^ help: remove this semicolon
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(redundant_semicolons)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary trailing semicolon
[INFO] [stdout]   --> benches/stream_unsync_cloneable.rs:51:50
[INFO] [stdout]    |
[INFO] [stdout] 51 |     let mut cloneable_rx2 = cloneable_rx.clone();;
[INFO] [stdout]    |                                                  ^ help: remove this semicolon
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary trailing semicolon
[INFO] [stdout]   --> benches/stream_unsync_cloneable.rs:52:50
[INFO] [stdout]    |
[INFO] [stdout] 52 |     let mut cloneable_rx3 = cloneable_rx.clone();;
[INFO] [stdout]    |                                                  ^ help: remove this semicolon
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary trailing semicolon
[INFO] [stdout]   --> tests/stream_unsync_cloneable.rs:68:40
[INFO] [stdout]    |
[INFO] [stdout] 68 |     let cloneable2 = cloneable.clone();;
[INFO] [stdout]    |                                        ^ help: remove this semicolon
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(redundant_semicolons)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary trailing semicolon
[INFO] [stdout]   --> benches/stream_cloneable.rs:38:50
[INFO] [stdout]    |
[INFO] [stdout] 38 |     let mut cloneable_rx2 = cloneable_rx.clone();;
[INFO] [stdout]    |                                                  ^ help: remove this semicolon
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(redundant_semicolons)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary trailing semicolon
[INFO] [stdout]   --> benches/stream_cloneable.rs:51:50
[INFO] [stdout]    |
[INFO] [stdout] 51 |     let mut cloneable_rx2 = cloneable_rx.clone();;
[INFO] [stdout]    |                                                  ^ help: remove this semicolon
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary trailing semicolon
[INFO] [stdout]   --> benches/stream_cloneable.rs:52:50
[INFO] [stdout]    |
[INFO] [stdout] 52 |     let mut cloneable_rx3 = cloneable_rx.clone();;
[INFO] [stdout]    |                                                  ^ help: remove this semicolon
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary trailing semicolon
[INFO] [stdout]   --> tests/stream_cloneable.rs:68:40
[INFO] [stdout]    |
[INFO] [stdout] 68 |     let cloneable2 = cloneable.clone();;
[INFO] [stdout]    |                                        ^ help: remove this semicolon
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(redundant_semicolons)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `Future`
[INFO] [stdout]  --> benches/stream_cloneable.rs:8:15
[INFO] [stdout]   |
[INFO] [stdout] 8 | use futures::{Future, Stream};
[INFO] [stdout]   |               ^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to previous error; 4 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0554`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `ex-futures`
[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] [stdout] warning: unused import: `Future`
[INFO] [stdout]  --> benches/stream_unsync_cloneable.rs:8:15
[INFO] [stdout]   |
[INFO] [stdout] 8 | use futures::{Future, Stream};
[INFO] [stdout]   |               ^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to previous error; 4 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0554`.
[INFO] [stdout] 
[INFO] [stdout] warning: unused `#[macro_use]` import
[INFO] [stdout]  --> src/lib.rs:1:1
[INFO] [stdout]   |
[INFO] [stdout] 1 | #[macro_use]
[INFO] [stdout]   | ^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused boxed `Stream` trait object in tuple element 1 that must be used
[INFO] [stdout]   --> tests/sink_cloneable.rs:21:5
[INFO] [stdout]    |
[INFO] [stdout] 21 |     cloneable.send_all(new_stream()).wait().unwrap();
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_must_use)]` on by default
[INFO] [stdout]    = note: streams do nothing unless polled
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused boxed `Stream` trait object in tuple element 1 that must be used
[INFO] [stdout]   --> tests/sink_cloneable.rs:22:5
[INFO] [stdout]    |
[INFO] [stdout] 22 |     cloneable2.send_all(new_stream()).wait().unwrap();
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: streams do nothing unless polled
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused boxed `Stream` trait object in tuple element 1 that must be used
[INFO] [stdout]   --> tests/sink_cloneable.rs:39:5
[INFO] [stdout]    |
[INFO] [stdout] 39 |     fut1.join(fut2).wait().unwrap();
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: streams do nothing unless polled
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 4 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused boxed `Stream` trait object in tuple element 1 that must be used
[INFO] [stdout]   --> tests/sink_unsync_cloneable.rs:21:5
[INFO] [stdout]    |
[INFO] [stdout] 21 |     cloneable.send_all(new_stream()).wait().unwrap();
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_must_use)]` on by default
[INFO] [stdout]    = note: streams do nothing unless polled
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused boxed `Stream` trait object in tuple element 1 that must be used
[INFO] [stdout]   --> tests/sink_unsync_cloneable.rs:22:5
[INFO] [stdout]    |
[INFO] [stdout] 22 |     cloneable2.send_all(new_stream()).wait().unwrap();
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: streams do nothing unless polled
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused boxed `Stream` trait object in tuple element 1 that must be used
[INFO] [stdout]   --> tests/sink_unsync_cloneable.rs:39:5
[INFO] [stdout]    |
[INFO] [stdout] 39 |     fut1.join(fut2).wait().unwrap();
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: streams do nothing unless polled
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 4 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: bounds on generic parameters are not enforced in type aliases
[INFO] [stdout]   --> src/stream/mod.rs:19:19
[INFO] [stdout]    |
[INFO] [stdout] 19 | pub type AsErr<S: Stream, E> = Then<
[INFO] [stdout]    |                   ^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(type_alias_bounds)]` on by default
[INFO] [stdout] help: use fully disambiguated paths (i.e., `<T as Trait>::Assoc`) to refer to associated types in type aliases
[INFO] [stdout]   --> src/stream/mod.rs:21:15
[INFO] [stdout]    |
[INFO] [stdout] 21 |     fn(Result<S::Item, ()>) -> Result<S::Item, E>,
[INFO] [stdout]    |               ^^^^^^^
[INFO] [stdout] help: use fully disambiguated paths (i.e., `<T as Trait>::Assoc`) to refer to associated types in type aliases
[INFO] [stdout]   --> src/stream/mod.rs:21:39
[INFO] [stdout]    |
[INFO] [stdout] 21 |     fn(Result<S::Item, ()>) -> Result<S::Item, E>,
[INFO] [stdout]    |                                       ^^^^^^^
[INFO] [stdout] help: use fully disambiguated paths (i.e., `<T as Trait>::Assoc`) to refer to associated types in type aliases
[INFO] [stdout]   --> src/stream/mod.rs:22:12
[INFO] [stdout]    |
[INFO] [stdout] 22 |     Result<S::Item, E>,
[INFO] [stdout]    |            ^^^^^^^
[INFO] [stdout] help: the bound will not be checked when the type alias is used, and should be removed
[INFO] [stdout]    |
[INFO] [stdout] 19 | pub type AsErr<S, E> = Then<
[INFO] [stdout]    |                --
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: bounds on generic parameters are not enforced in type aliases
[INFO] [stdout]   --> src/stream/unsync_cloneable.rs:33:15
[INFO] [stdout]    |
[INFO] [stdout] 33 | type Queue<S: Stream> = RefCell<VecDeque<Result<Option<S::Item>, S::Error>>>;
[INFO] [stdout]    |               ^^^^^^
[INFO] [stdout]    |
[INFO] [stdout] help: use fully disambiguated paths (i.e., `<T as Trait>::Assoc`) to refer to associated types in type aliases
[INFO] [stdout]   --> src/stream/unsync_cloneable.rs:33:56
[INFO] [stdout]    |
[INFO] [stdout] 33 | type Queue<S: Stream> = RefCell<VecDeque<Result<Option<S::Item>, S::Error>>>;
[INFO] [stdout]    |                                                        ^^^^^^^
[INFO] [stdout] help: use fully disambiguated paths (i.e., `<T as Trait>::Assoc`) to refer to associated types in type aliases
[INFO] [stdout]   --> src/stream/unsync_cloneable.rs:33:66
[INFO] [stdout]    |
[INFO] [stdout] 33 | type Queue<S: Stream> = RefCell<VecDeque<Result<Option<S::Item>, S::Error>>>;
[INFO] [stdout]    |                                                                  ^^^^^^^^
[INFO] [stdout] help: the bound will not be checked when the type alias is used, and should be removed
[INFO] [stdout]    |
[INFO] [stdout] 33 | type Queue<S> = RefCell<VecDeque<Result<Option<S::Item>, S::Error>>>;
[INFO] [stdout]    |            --
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: bounds on generic parameters are not enforced in type aliases
[INFO] [stdout]   --> src/stream/cloneable.rs:38:15
[INFO] [stdout]    |
[INFO] [stdout] 38 | type Queue<S: Stream> = Mutex<VecDeque<Result<Option<S::Item>, S::Error>>>;
[INFO] [stdout]    |               ^^^^^^
[INFO] [stdout]    |
[INFO] [stdout] help: use fully disambiguated paths (i.e., `<T as Trait>::Assoc`) to refer to associated types in type aliases
[INFO] [stdout]   --> src/stream/cloneable.rs:38:54
[INFO] [stdout]    |
[INFO] [stdout] 38 | type Queue<S: Stream> = Mutex<VecDeque<Result<Option<S::Item>, S::Error>>>;
[INFO] [stdout]    |                                                      ^^^^^^^
[INFO] [stdout] help: use fully disambiguated paths (i.e., `<T as Trait>::Assoc`) to refer to associated types in type aliases
[INFO] [stdout]   --> src/stream/cloneable.rs:38:64
[INFO] [stdout]    |
[INFO] [stdout] 38 | type Queue<S: Stream> = Mutex<VecDeque<Result<Option<S::Item>, S::Error>>>;
[INFO] [stdout]    |                                                                ^^^^^^^^
[INFO] [stdout] help: the bound will not be checked when the type alias is used, and should be removed
[INFO] [stdout]    |
[INFO] [stdout] 38 | type Queue<S> = Mutex<VecDeque<Result<Option<S::Item>, S::Error>>>;
[INFO] [stdout]    |            --
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 4 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: build failed
[INFO] running `Command { std: "docker" "inspect" "b2da98bf273ad0ce86b98a1402e9550e8020762c7bca2c70996bbce57e45324a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b2da98bf273ad0ce86b98a1402e9550e8020762c7bca2c70996bbce57e45324a", kill_on_drop: false }`
[INFO] [stdout] b2da98bf273ad0ce86b98a1402e9550e8020762c7bca2c70996bbce57e45324a