[INFO] fetching crate ex-futures 0.4.9...
[INFO] checking ex-futures-0.4.9 against 1.95.0 for pr-155915
[INFO] extracting crate ex-futures 0.4.9 into /workspace/builds/worker-0-tc1/source
[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-0-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate ex-futures 0.4.9 on toolchain 1.95.0
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.95.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.95.0" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 58 packages to latest compatible versions
[INFO] [stderr]       Adding futures v0.1.31 (available: v0.3.32)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.95.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr] warning: no edition set: defaulting to the 2015 edition while the latest is 2024
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+1.95.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 2daa5c4b0b3516bf7a0eb6ab8a22db13884758a4cd2796f5a609776a5a64e9a3
[INFO] running `Command { std: "docker" "start" "-a" "2daa5c4b0b3516bf7a0eb6ab8a22db13884758a4cd2796f5a609776a5a64e9a3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "2daa5c4b0b3516bf7a0eb6ab8a22db13884758a4cd2796f5a609776a5a64e9a3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2daa5c4b0b3516bf7a0eb6ab8a22db13884758a4cd2796f5a609776a5a64e9a3", kill_on_drop: false }`
[INFO] [stdout] 2daa5c4b0b3516bf7a0eb6ab8a22db13884758a4cd2796f5a609776a5a64e9a3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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=forbid" "-e" "RUSTDOCFLAGS=--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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+1.95.0" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] bbdabe4c5c1898b18404518110e934624952cd1f3c6a73582e3330e32d8466ab
[INFO] running `Command { std: "docker" "start" "-a" "bbdabe4c5c1898b18404518110e934624952cd1f3c6a73582e3330e32d8466ab", kill_on_drop: false }`
[INFO] [stderr] warning: no edition set: defaulting to the 2015 edition while the latest is 2024
[INFO] [stderr]    Compiling crossbeam-utils v0.7.2
[INFO] [stderr]    Compiling maybe-uninit v2.0.0
[INFO] [stderr]     Checking futures v0.1.31
[INFO] [stderr]    Compiling memoffset v0.5.6
[INFO] [stderr]    Compiling crossbeam-epoch v0.8.2
[INFO] [stderr]     Checking scoped-tls v0.1.2
[INFO] [stderr]     Checking lock_api v0.3.4
[INFO] [stderr]     Checking iovec v0.1.4
[INFO] [stderr]     Checking net2 v0.2.39
[INFO] [stderr]     Checking num_cpus v1.17.0
[INFO] [stderr]    Compiling parking_lot_core v0.6.3
[INFO] [stderr]    Compiling parking_lot v0.9.0
[INFO] [stderr]     Checking bytes v0.4.12
[INFO] [stderr]     Checking mio v0.6.23
[INFO] [stderr]     Checking smallvec v0.6.14
[INFO] [stderr]     Checking crossbeam-queue v0.2.3
[INFO] [stderr]     Checking crossbeam-deque v0.7.4
[INFO] [stderr]     Checking mio-uds v0.6.8
[INFO] [stderr]     Checking tokio-executor v0.1.10
[INFO] [stderr]     Checking tokio-io v0.1.13
[INFO] [stderr]     Checking tokio-sync v0.1.8
[INFO] [stderr]     Checking ex-futures v0.4.9 (/opt/rustwide/workdir)
[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)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: bounds on generic parameters in type aliases are not enforced
[INFO] [stdout]   --> src/stream/mod.rs:19:19
[INFO] [stdout]    |
[INFO] [stdout] 19 | pub type AsErr<S: Stream, E> = Then<
[INFO] [stdout]    |                   ^^^^^^ will not be checked at usage sites of the type alias
[INFO] [stdout]    |
[INFO] [stdout]    = note: this is a known limitation of the type checker that may be lifted in a future edition.
[INFO] [stdout]            see issue #112792 <https://github.com/rust-lang/rust/issues/112792> for more information
[INFO] [stdout]    = note: `#[warn(type_alias_bounds)]` on by default
[INFO] [stdout] help: remove this bound
[INFO] [stdout]    |
[INFO] [stdout] 19 - pub type AsErr<S: Stream, E> = Then<
[INFO] [stdout] 19 + pub type AsErr<S, E> = Then<
[INFO] [stdout]    |
[INFO] [stdout] help: fully qualify this associated type
[INFO] [stdout]    |
[INFO] [stdout] 21 |     fn(Result<<S as /* Trait */>::Item, ()>) -> Result<S::Item, E>,
[INFO] [stdout]    |               +  +++++++++++++++
[INFO] [stdout] help: fully qualify this associated type
[INFO] [stdout]    |
[INFO] [stdout] 21 |     fn(Result<S::Item, ()>) -> Result<<S as /* Trait */>::Item, E>,
[INFO] [stdout]    |                                       +  +++++++++++++++
[INFO] [stdout] help: fully qualify this associated type
[INFO] [stdout]    |
[INFO] [stdout] 22 |     Result<<S as /* Trait */>::Item, E>,
[INFO] [stdout]    |            +  +++++++++++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: bounds on generic parameters in type aliases are not enforced
[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]    |               ^^^^^^ will not be checked at usage sites of the type alias
[INFO] [stdout]    |
[INFO] [stdout]    = note: this is a known limitation of the type checker that may be lifted in a future edition.
[INFO] [stdout]            see issue #112792 <https://github.com/rust-lang/rust/issues/112792> for more information
[INFO] [stdout] help: remove this bound
[INFO] [stdout]    |
[INFO] [stdout] 33 - type Queue<S: Stream> = RefCell<VecDeque<Result<Option<S::Item>, S::Error>>>;
[INFO] [stdout] 33 + type Queue<S> = RefCell<VecDeque<Result<Option<S::Item>, S::Error>>>;
[INFO] [stdout]    |
[INFO] [stdout] help: fully qualify this associated type
[INFO] [stdout]    |
[INFO] [stdout] 33 | type Queue<S: Stream> = RefCell<VecDeque<Result<Option<<S as /* Trait */>::Item>, S::Error>>>;
[INFO] [stdout]    |                                                        +  +++++++++++++++
[INFO] [stdout] help: fully qualify this associated type
[INFO] [stdout]    |
[INFO] [stdout] 33 | type Queue<S: Stream> = RefCell<VecDeque<Result<Option<S::Item>, <S as /* Trait */>::Error>>>;
[INFO] [stdout]    |                                                                  +  +++++++++++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: bounds on generic parameters in type aliases are not enforced
[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]    |               ^^^^^^ will not be checked at usage sites of the type alias
[INFO] [stdout]    |
[INFO] [stdout]    = note: this is a known limitation of the type checker that may be lifted in a future edition.
[INFO] [stdout]            see issue #112792 <https://github.com/rust-lang/rust/issues/112792> for more information
[INFO] [stdout] help: remove this bound
[INFO] [stdout]    |
[INFO] [stdout] 38 - type Queue<S: Stream> = Mutex<VecDeque<Result<Option<S::Item>, S::Error>>>;
[INFO] [stdout] 38 + type Queue<S> = Mutex<VecDeque<Result<Option<S::Item>, S::Error>>>;
[INFO] [stdout]    |
[INFO] [stdout] help: fully qualify this associated type
[INFO] [stdout]    |
[INFO] [stdout] 38 | type Queue<S: Stream> = Mutex<VecDeque<Result<Option<<S as /* Trait */>::Item>, S::Error>>>;
[INFO] [stdout]    |                                                      +  +++++++++++++++
[INFO] [stdout] help: fully qualify this associated type
[INFO] [stdout]    |
[INFO] [stdout] 38 | type Queue<S: Stream> = Mutex<VecDeque<Result<Option<S::Item>, <S as /* Trait */>::Error>>>;
[INFO] [stdout]    |                                                                +  +++++++++++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Checking tokio-threadpool v0.1.18
[INFO] [stderr]     Checking tokio-timer v0.2.13
[INFO] [stderr]     Checking tokio-current-thread v0.1.7
[INFO] [stderr]     Checking tokio-codec v0.1.2
[INFO] [stderr]     Checking tokio-fs v0.1.7
[INFO] [stderr]     Checking tokio-reactor v0.1.12
[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 v0.1.18
[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)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[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]    |                        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout]    = note: `#[warn(bare_trait_objects)]` (part of `#[warn(rust_2021_compatibility)]`) on by default
[INFO] [stdout] help: if this is a dyn-compatible trait, use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 46 | fn new_stream() -> Box<dyn Stream<Item = usize, Error = SendError<usize>>> {
[INFO] [stdout]    |                        +++
[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)]` (part of `#[warn(unused)]`) on by default
[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)]` (part of `#[warn(unused)]`) 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]    |                        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout]    = note: `#[warn(bare_trait_objects)]` (part of `#[warn(rust_2021_compatibility)]`) on by default
[INFO] [stdout] help: if this is a dyn-compatible trait, use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 46 | fn new_stream() -> Box<dyn Stream<Item = usize, Error = SendError<usize>>> {
[INFO] [stdout]    |                        +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the stable 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] 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)]` (part of `#[warn(unused)]`) 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] error[E0554]: `#![feature]` may not be used on the stable 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_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)]` (part of `#[warn(unused)]`) 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: 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: streams do nothing unless polled
[INFO] [stdout]    = note: `#[warn(unused_must_use)]` (part of `#[warn(unused)]`) on by default
[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: 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: streams do nothing unless polled
[INFO] [stdout]    = note: `#[warn(unused_must_use)]` (part of `#[warn(unused)]`) on by default
[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: bounds on generic parameters in type aliases are not enforced
[INFO] [stdout]   --> src/stream/mod.rs:19:19
[INFO] [stdout]    |
[INFO] [stdout] 19 | pub type AsErr<S: Stream, E> = Then<
[INFO] [stdout]    |                   ^^^^^^ will not be checked at usage sites of the type alias
[INFO] [stdout]    |
[INFO] [stdout]    = note: this is a known limitation of the type checker that may be lifted in a future edition.
[INFO] [stdout]            see issue #112792 <https://github.com/rust-lang/rust/issues/112792> for more information
[INFO] [stdout]    = note: `#[warn(type_alias_bounds)]` on by default
[INFO] [stdout] help: remove this bound
[INFO] [stdout]    |
[INFO] [stdout] 19 - pub type AsErr<S: Stream, E> = Then<
[INFO] [stdout] 19 + pub type AsErr<S, E> = Then<
[INFO] [stdout]    |
[INFO] [stdout] help: fully qualify this associated type
[INFO] [stdout]    |
[INFO] [stdout] 21 |     fn(Result<<S as /* Trait */>::Item, ()>) -> Result<S::Item, E>,
[INFO] [stdout]    |               +  +++++++++++++++
[INFO] [stdout] help: fully qualify this associated type
[INFO] [stdout]    |
[INFO] [stdout] 21 |     fn(Result<S::Item, ()>) -> Result<<S as /* Trait */>::Item, E>,
[INFO] [stdout]    |                                       +  +++++++++++++++
[INFO] [stdout] help: fully qualify this associated type
[INFO] [stdout]    |
[INFO] [stdout] 22 |     Result<<S as /* Trait */>::Item, E>,
[INFO] [stdout]    |            +  +++++++++++++++
[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: bounds on generic parameters in type aliases are not enforced
[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]    |               ^^^^^^ will not be checked at usage sites of the type alias
[INFO] [stdout]    |
[INFO] [stdout]    = note: this is a known limitation of the type checker that may be lifted in a future edition.
[INFO] [stdout]            see issue #112792 <https://github.com/rust-lang/rust/issues/112792> for more information
[INFO] [stdout] help: remove this bound
[INFO] [stdout]    |
[INFO] [stdout] 33 - type Queue<S: Stream> = RefCell<VecDeque<Result<Option<S::Item>, S::Error>>>;
[INFO] [stdout] 33 + type Queue<S> = RefCell<VecDeque<Result<Option<S::Item>, S::Error>>>;
[INFO] [stdout]    |
[INFO] [stdout] help: fully qualify this associated type
[INFO] [stdout]    |
[INFO] [stdout] 33 | type Queue<S: Stream> = RefCell<VecDeque<Result<Option<<S as /* Trait */>::Item>, S::Error>>>;
[INFO] [stdout]    |                                                        +  +++++++++++++++
[INFO] [stdout] help: fully qualify this associated type
[INFO] [stdout]    |
[INFO] [stdout] 33 | type Queue<S: Stream> = RefCell<VecDeque<Result<Option<S::Item>, <S as /* Trait */>::Error>>>;
[INFO] [stdout]    |                                                                  +  +++++++++++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: bounds on generic parameters in type aliases are not enforced
[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]    |               ^^^^^^ will not be checked at usage sites of the type alias
[INFO] [stdout]    |
[INFO] [stdout]    = note: this is a known limitation of the type checker that may be lifted in a future edition.
[INFO] [stdout]            see issue #112792 <https://github.com/rust-lang/rust/issues/112792> for more information
[INFO] [stdout] help: remove this bound
[INFO] [stdout]    |
[INFO] [stdout] 38 - type Queue<S: Stream> = Mutex<VecDeque<Result<Option<S::Item>, S::Error>>>;
[INFO] [stdout] 38 + type Queue<S> = Mutex<VecDeque<Result<Option<S::Item>, S::Error>>>;
[INFO] [stdout]    |
[INFO] [stdout] help: fully qualify this associated type
[INFO] [stdout]    |
[INFO] [stdout] 38 | type Queue<S: Stream> = Mutex<VecDeque<Result<Option<<S as /* Trait */>::Item>, S::Error>>>;
[INFO] [stdout]    |                                                      +  +++++++++++++++
[INFO] [stdout] help: fully qualify this associated type
[INFO] [stdout]    |
[INFO] [stdout] 38 | type Queue<S: Stream> = Mutex<VecDeque<Result<Option<S::Item>, <S as /* Trait */>::Error>>>;
[INFO] [stdout]    |                                                                +  +++++++++++++++
[INFO] [stdout] 
[INFO] [stdout] 
[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)]` (part of `#[warn(unused)]`) on by default
[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` (bench "stream_unsync_cloneable") due to 1 previous error; 4 warnings emitted
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[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)]` (part of `#[warn(unused)]`) on by default
[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` (bench "stream_cloneable") due to 1 previous error; 4 warnings emitted
[INFO] running `Command { std: "docker" "inspect" "bbdabe4c5c1898b18404518110e934624952cd1f3c6a73582e3330e32d8466ab", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bbdabe4c5c1898b18404518110e934624952cd1f3c6a73582e3330e32d8466ab", kill_on_drop: false }`
[INFO] [stdout] bbdabe4c5c1898b18404518110e934624952cd1f3c6a73582e3330e32d8466ab
