[INFO] fetching crate flo_stream 0.7.0...
[INFO] testing flo_stream-0.7.0 against try#b6ae10aa7319b7ebb6c7b3331dd71a9d6c9c5b4b for pr-145330-1
[INFO] extracting crate flo_stream 0.7.0 into /workspace/builds/worker-4-tc2/source
[INFO] started tweaking crates.io crate flo_stream 0.7.0
[INFO] finished tweaking crates.io crate flo_stream 0.7.0
[INFO] tweaked toml for crates.io crate flo_stream 0.7.0 written to /workspace/builds/worker-4-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate flo_stream 0.7.0 on toolchain b6ae10aa7319b7ebb6c7b3331dd71a9d6c9c5b4b
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+b6ae10aa7319b7ebb6c7b3331dd71a9d6c9c5b4b" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate flo_stream 0.7.0 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+b6ae10aa7319b7ebb6c7b3331dd71a9d6c9c5b4b" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+b6ae10aa7319b7ebb6c7b3331dd71a9d6c9c5b4b" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 3239e9dbd7272107027807c03bcb50d657370c7d1df77888a0885c8b4c461824
[INFO] running `Command { std: "docker" "start" "-a" "3239e9dbd7272107027807c03bcb50d657370c7d1df77888a0885c8b4c461824", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "3239e9dbd7272107027807c03bcb50d657370c7d1df77888a0885c8b4c461824", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3239e9dbd7272107027807c03bcb50d657370c7d1df77888a0885c8b4c461824", kill_on_drop: false }`
[INFO] [stdout] 3239e9dbd7272107027807c03bcb50d657370c7d1df77888a0885c8b4c461824
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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=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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+b6ae10aa7319b7ebb6c7b3331dd71a9d6c9c5b4b" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 973281b847b245c8766bd033c873207c42acb5507af52880833d0ae7e24e6bd2
[INFO] running `Command { std: "docker" "start" "-a" "973281b847b245c8766bd033c873207c42acb5507af52880833d0ae7e24e6bd2", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.24
[INFO] [stderr]    Compiling unicode-xid v0.2.1
[INFO] [stderr]    Compiling syn v1.0.60
[INFO] [stderr]    Compiling proc-macro-hack v0.5.19
[INFO] [stderr]    Compiling memchr v2.3.4
[INFO] [stderr]    Compiling proc-macro-nested v0.1.7
[INFO] [stderr]    Compiling futures-core v0.3.12
[INFO] [stderr]    Compiling once_cell v1.5.2
[INFO] [stderr]    Compiling futures-sink v0.3.12
[INFO] [stderr]    Compiling futures-task v0.3.12
[INFO] [stderr]    Compiling futures-io v0.3.12
[INFO] [stderr]    Compiling futures-channel v0.3.12
[INFO] [stderr]    Compiling pin-project-lite v0.2.4
[INFO] [stderr]    Compiling slab v0.4.2
[INFO] [stderr]    Compiling smallvec v1.6.1
[INFO] [stderr]    Compiling lazy_static v1.4.0
[INFO] [stderr]    Compiling quote v1.0.8
[INFO] [stderr]    Compiling futures-macro v0.3.12
[INFO] [stderr]    Compiling futures-util v0.3.12
[INFO] [stderr]    Compiling futures-executor v0.3.12
[INFO] [stderr]    Compiling futures v0.3.12
[INFO] [stderr]    Compiling flo_stream v0.7.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `self::spawn::*`
[INFO] [stdout]   --> src/lib.rs:67:9
[INFO] [stdout]    |
[INFO] [stdout] 67 | pub use self::spawn::*;
[INFO] [stdout]    |         ^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 11.43s
[INFO] running `Command { std: "docker" "inspect" "973281b847b245c8766bd033c873207c42acb5507af52880833d0ae7e24e6bd2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "973281b847b245c8766bd033c873207c42acb5507af52880833d0ae7e24e6bd2", kill_on_drop: false }`
[INFO] [stdout] 973281b847b245c8766bd033c873207c42acb5507af52880833d0ae7e24e6bd2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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=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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+b6ae10aa7319b7ebb6c7b3331dd71a9d6c9c5b4b" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 25880b8c9f7061212af9705c0964c0789916022039e7723a03c4083914bf1240
[INFO] running `Command { std: "docker" "start" "-a" "25880b8c9f7061212af9705c0964c0789916022039e7723a03c4083914bf1240", kill_on_drop: false }`
[INFO] [stderr]    Compiling autocfg v0.1.7
[INFO] [stderr]    Compiling rand_core v0.4.2
[INFO] [stderr]    Compiling libc v0.2.84
[INFO] [stdout] warning: unused import: `self::spawn::*`
[INFO] [stdout]   --> src/lib.rs:67:9
[INFO] [stdout]    |
[INFO] [stdout] 67 | pub use self::spawn::*;
[INFO] [stdout]    |         ^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling rand_core v0.3.1
[INFO] [stderr]    Compiling rand_jitter v0.1.4
[INFO] [stderr]    Compiling rand_xorshift v0.1.1
[INFO] [stderr]    Compiling rand_isaac v0.1.1
[INFO] [stderr]    Compiling rand_hc v0.1.0
[INFO] [stderr]    Compiling rand_pcg v0.1.2
[INFO] [stderr]    Compiling rand_chacha v0.1.1
[INFO] [stderr]    Compiling rand v0.6.5
[INFO] [stderr]    Compiling num_cpus v1.13.0
[INFO] [stderr]    Compiling rand_os v0.1.3
[INFO] [stderr]    Compiling desync v0.7.0
[INFO] [stdout] error: future cannot be sent between threads safely
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/desync-0.7.0/src/pipe.rs:192:11
[INFO] [stdout]     |
[INFO] [stdout] 192 |         }.boxed()
[INFO] [stdout]     |           ^^^^^ future created by async block is not `Send`
[INFO] [stdout]     |
[INFO] [stdout]     = help: the trait `Sync` is not implemented for `LocalWaker`
[INFO] [stdout] note: future is not `Send` as this value is used across an await
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/desync-0.7.0/src/pipe.rs:188:40
[INFO] [stdout]     |
[INFO] [stdout] 172 |             let mut context = context;
[INFO] [stdout]     |                 ----------- has type `Context<'_>` which is not `Send`
[INFO] [stdout] ...
[INFO] [stdout] 188 |                         process_future.await;
[INFO] [stdout]     |                                        ^^^^^ await occurs here, with `mut context` maybe used later
[INFO] [stdout] note: required by a bound in `futures::FutureExt::boxed`
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/futures-util-0.3.12/src/future/future/mod.rs:519:23
[INFO] [stdout]     |
[INFO] [stdout] 517 |     fn boxed<'a>(self) -> BoxFuture<'a, Self::Output>
[INFO] [stdout]     |        ----- required by a bound in this associated function
[INFO] [stdout] 518 |     where
[INFO] [stdout] 519 |         Self: Sized + Send + 'a,
[INFO] [stdout]     |                       ^^^^ required by this bound in `FutureExt::boxed`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: future cannot be sent between threads safely
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/desync-0.7.0/src/pipe.rs:192:11
[INFO] [stdout]     |
[INFO] [stdout] 192 |         }.boxed()
[INFO] [stdout]     |           ^^^^^ future created by async block is not `Send`
[INFO] [stdout]     |
[INFO] [stdout]     = help: within `{async block@/opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/desync-0.7.0/src/pipe.rs:171:9: 171:19}`, the trait `std::marker::Send` is not implemented for `*mut ()`
[INFO] [stdout] note: future is not `Send` as this value is used across an await
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/desync-0.7.0/src/pipe.rs:188:40
[INFO] [stdout]     |
[INFO] [stdout] 172 |             let mut context = context;
[INFO] [stdout]     |                 ----------- has type `Context<'_>` which is not `Send`
[INFO] [stdout] ...
[INFO] [stdout] 188 |                         process_future.await;
[INFO] [stdout]     |                                        ^^^^^ await occurs here, with `mut context` maybe used later
[INFO] [stdout] note: required by a bound in `futures::FutureExt::boxed`
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/futures-util-0.3.12/src/future/future/mod.rs:519:23
[INFO] [stdout]     |
[INFO] [stdout] 517 |     fn boxed<'a>(self) -> BoxFuture<'a, Self::Output>
[INFO] [stdout]     |        ----- required by a bound in this associated function
[INFO] [stdout] 518 |     where
[INFO] [stdout] 519 |         Self: Sized + Send + 'a,
[INFO] [stdout]     |                       ^^^^ required by this bound in `FutureExt::boxed`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: future cannot be sent between threads safely
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/desync-0.7.0/src/pipe.rs:192:11
[INFO] [stdout]     |
[INFO] [stdout] 192 |         }.boxed()
[INFO] [stdout]     |           ^^^^^ future created by async block is not `Send`
[INFO] [stdout]     |
[INFO] [stdout]     = help: within `{async block@/opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/desync-0.7.0/src/pipe.rs:171:9: 171:19}`, the trait `std::marker::Send` is not implemented for `(dyn Any + 'static)`
[INFO] [stdout] note: future is not `Send` as this value is used across an await
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/desync-0.7.0/src/pipe.rs:188:40
[INFO] [stdout]     |
[INFO] [stdout] 172 |             let mut context = context;
[INFO] [stdout]     |                 ----------- has type `Context<'_>` which is not `Send`
[INFO] [stdout] ...
[INFO] [stdout] 188 |                         process_future.await;
[INFO] [stdout]     |                                        ^^^^^ await occurs here, with `mut context` maybe used later
[INFO] [stdout] note: required by a bound in `futures::FutureExt::boxed`
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/futures-util-0.3.12/src/future/future/mod.rs:519:23
[INFO] [stdout]     |
[INFO] [stdout] 517 |     fn boxed<'a>(self) -> BoxFuture<'a, Self::Output>
[INFO] [stdout]     |        ----- required by a bound in this associated function
[INFO] [stdout] 518 |     where
[INFO] [stdout] 519 |         Self: Sized + Send + 'a,
[INFO] [stdout]     |                       ^^^^ required by this bound in `FutureExt::boxed`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: future cannot be sent between threads safely
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/desync-0.7.0/src/pipe.rs:346:11
[INFO] [stdout]     |
[INFO] [stdout] 346 |         }.boxed()
[INFO] [stdout]     |           ^^^^^ future created by async block is not `Send`
[INFO] [stdout]     |
[INFO] [stdout]     = help: the trait `Sync` is not implemented for `LocalWaker`
[INFO] [stdout] note: captured value is not `Send`
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/desync-0.7.0/src/pipe.rs:279:72
[INFO] [stdout]     |
[INFO] [stdout] 279 |                         stream_core.backpressure_release_notify = Some(context.waker().clone());
[INFO] [stdout]     |                                                                        ^^^^^^^ has type `Context<'_>` which is not `Send`
[INFO] [stdout] note: required by a bound in `futures::FutureExt::boxed`
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/futures-util-0.3.12/src/future/future/mod.rs:519:23
[INFO] [stdout]     |
[INFO] [stdout] 517 |     fn boxed<'a>(self) -> BoxFuture<'a, Self::Output>
[INFO] [stdout]     |        ----- required by a bound in this associated function
[INFO] [stdout] 518 |     where
[INFO] [stdout] 519 |         Self: Sized + Send + 'a,
[INFO] [stdout]     |                       ^^^^ required by this bound in `FutureExt::boxed`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: future cannot be sent between threads safely
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/desync-0.7.0/src/pipe.rs:346:11
[INFO] [stdout]     |
[INFO] [stdout] 346 |         }.boxed()
[INFO] [stdout]     |           ^^^^^ future created by async block is not `Send`
[INFO] [stdout]     |
[INFO] [stdout]     = help: within `{async block@/opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/desync-0.7.0/src/pipe.rs:269:9: 269:19}`, the trait `std::marker::Send` is not implemented for `*mut ()`
[INFO] [stdout] note: captured value is not `Send`
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/desync-0.7.0/src/pipe.rs:279:72
[INFO] [stdout]     |
[INFO] [stdout] 279 |                         stream_core.backpressure_release_notify = Some(context.waker().clone());
[INFO] [stdout]     |                                                                        ^^^^^^^ has type `Context<'_>` which is not `Send`
[INFO] [stdout] note: required by a bound in `futures::FutureExt::boxed`
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/futures-util-0.3.12/src/future/future/mod.rs:519:23
[INFO] [stdout]     |
[INFO] [stdout] 517 |     fn boxed<'a>(self) -> BoxFuture<'a, Self::Output>
[INFO] [stdout]     |        ----- required by a bound in this associated function
[INFO] [stdout] 518 |     where
[INFO] [stdout] 519 |         Self: Sized + Send + 'a,
[INFO] [stdout]     |                       ^^^^ required by this bound in `FutureExt::boxed`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: future cannot be sent between threads safely
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/desync-0.7.0/src/pipe.rs:346:11
[INFO] [stdout]     |
[INFO] [stdout] 346 |         }.boxed()
[INFO] [stdout]     |           ^^^^^ future created by async block is not `Send`
[INFO] [stdout]     |
[INFO] [stdout]     = help: within `{async block@/opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/desync-0.7.0/src/pipe.rs:269:9: 269:19}`, the trait `std::marker::Send` is not implemented for `(dyn Any + 'static)`
[INFO] [stdout] note: captured value is not `Send`
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/desync-0.7.0/src/pipe.rs:279:72
[INFO] [stdout]     |
[INFO] [stdout] 279 |                         stream_core.backpressure_release_notify = Some(context.waker().clone());
[INFO] [stdout]     |                                                                        ^^^^^^^ has type `Context<'_>` which is not `Send`
[INFO] [stdout] note: required by a bound in `futures::FutureExt::boxed`
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/futures-util-0.3.12/src/future/future/mod.rs:519:23
[INFO] [stdout]     |
[INFO] [stdout] 517 |     fn boxed<'a>(self) -> BoxFuture<'a, Self::Output>
[INFO] [stdout]     |        ----- required by a bound in this associated function
[INFO] [stdout] 518 |     where
[INFO] [stdout] 519 |         Self: Sized + Send + 'a,
[INFO] [stdout]     |                       ^^^^ required by this bound in `FutureExt::boxed`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `desync` (lib) due to 6 previous errors
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] running `Command { std: "docker" "inspect" "25880b8c9f7061212af9705c0964c0789916022039e7723a03c4083914bf1240", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "25880b8c9f7061212af9705c0964c0789916022039e7723a03c4083914bf1240", kill_on_drop: false }`
[INFO] [stdout] 25880b8c9f7061212af9705c0964c0789916022039e7723a03c4083914bf1240