[INFO] fetching crate flo_stream 0.7.0...
[INFO] checking flo_stream-0.7.0 against try#7caa343c25a692951246ea2f0664520b9c3f46da for pr-95985
[INFO] extracting crate flo_stream 0.7.0 into /workspace/builds/worker-2/source
[INFO] validating manifest of crates.io crate flo_stream 0.7.0 on toolchain 7caa343c25a692951246ea2f0664520b9c3f46da
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+7caa343c25a692951246ea2f0664520b9c3f46da" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[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-2/source/Cargo.toml
[INFO] crate crates.io crate flo_stream 0.7.0 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+7caa343c25a692951246ea2f0664520b9c3f46da" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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@sha256:83125433e4fff17b1ac56874832f668d9df75ee638575aca552b68e127bedee9" "/opt/rustwide/cargo-home/bin/cargo" "+7caa343c25a692951246ea2f0664520b9c3f46da" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] bd656bc25dddea5e02e21da976137a11e879dacacfefc38936a400ffdcab8a8c
[INFO] running `Command { std: "docker" "start" "-a" "bd656bc25dddea5e02e21da976137a11e879dacacfefc38936a400ffdcab8a8c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "bd656bc25dddea5e02e21da976137a11e879dacacfefc38936a400ffdcab8a8c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bd656bc25dddea5e02e21da976137a11e879dacacfefc38936a400ffdcab8a8c", kill_on_drop: false }`
[INFO] [stdout] bd656bc25dddea5e02e21da976137a11e879dacacfefc38936a400ffdcab8a8c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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@sha256:83125433e4fff17b1ac56874832f668d9df75ee638575aca552b68e127bedee9" "/opt/rustwide/cargo-home/bin/cargo" "+7caa343c25a692951246ea2f0664520b9c3f46da" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] b8e195aa612c7fb8ac93f6142aecf4f77bbc61b32cf854d8bc0784ed7a4d5476
[INFO] running `Command { std: "docker" "start" "-a" "b8e195aa612c7fb8ac93f6142aecf4f77bbc61b32cf854d8bc0784ed7a4d5476", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.24
[INFO] [stderr]    Compiling unicode-xid v0.2.1
[INFO] [stderr]    Compiling autocfg v0.1.7
[INFO] [stderr]     Checking rand_core v0.4.2
[INFO] [stderr]    Compiling syn v1.0.60
[INFO] [stderr]    Compiling proc-macro-hack v0.5.19
[INFO] [stderr]    Compiling proc-macro-nested v0.1.7
[INFO] [stderr]    Compiling memchr v2.3.4
[INFO] [stderr]     Checking futures-core v0.3.12
[INFO] [stderr]     Checking once_cell v1.5.2
[INFO] [stderr]     Checking futures-sink v0.3.12
[INFO] [stderr]    Compiling libc v0.2.84
[INFO] [stderr]     Checking pin-project-lite v0.2.4
[INFO] [stderr]     Checking pin-utils v0.1.0
[INFO] [stderr]     Checking slab v0.4.2
[INFO] [stderr]     Checking futures-io v0.3.12
[INFO] [stderr]     Checking lazy_static v1.4.0
[INFO] [stderr]     Checking smallvec v1.6.1
[INFO] [stderr]     Checking futures-channel v0.3.12
[INFO] [stderr]     Checking futures-task v0.3.12
[INFO] [stderr]     Checking rand_core v0.3.1
[INFO] [stderr]     Checking rand_jitter v0.1.4
[INFO] [stderr]     Checking rand_xorshift v0.1.1
[INFO] [stderr]     Checking rand_isaac v0.1.1
[INFO] [stderr]     Checking rand_hc v0.1.0
[INFO] [stderr]    Compiling rand_chacha v0.1.1
[INFO] [stderr]    Compiling rand_pcg v0.1.2
[INFO] [stderr]    Compiling rand v0.6.5
[INFO] [stderr]    Compiling quote v1.0.8
[INFO] [stderr]     Checking num_cpus v1.13.0
[INFO] [stderr]     Checking rand_os v0.1.3
[INFO] [stderr]    Compiling futures-macro v0.3.12
[INFO] [stderr]     Checking futures-util v0.3.12
[INFO] [stderr]     Checking futures-executor v0.3.12
[INFO] [stderr]     Checking futures v0.3.12
[INFO] [stderr]     Checking desync v0.7.0
[INFO] [stderr]     Checking flo_stream v0.7.0 (/opt/rustwide/workdir)
[INFO] [stdout] error: future cannot be sent between threads safely
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/desync-0.7.0/src/pipe.rs:106:17
[INFO] [stdout]     |
[INFO] [stdout] 106 | /                 async move {
[INFO] [stdout] 107 | |                     // Create a futures context from the context reference
[INFO] [stdout] 108 | |                     let waker   = task::waker_ref(&arc_self);
[INFO] [stdout] 109 | |                     let context = Context::from_waker(&waker);
[INFO] [stdout] ...   |
[INFO] [stdout] 124 | |                     }
[INFO] [stdout] 125 | |                 }.boxed()
[INFO] [stdout]     | |_________________^ future created by async block is not `Send`
[INFO] [stdout]     |
[INFO] [stdout]     = help: within `impl futures::Future<Output = ()>`, 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/github.com-1ecc6299db9ec823/desync-0.7.0/src/pipe.rs:119:58
[INFO] [stdout]     |
[INFO] [stdout] 109 |                     let context = Context::from_waker(&waker);
[INFO] [stdout]     |                         ------- has type `Context<'_>` which is not `Send`
[INFO] [stdout] ...
[INFO] [stdout] 119 |                         let keep_polling    = future_poll.await;
[INFO] [stdout]     |                                                          ^^^^^^ await occurs here, with `context` maybe used later
[INFO] [stdout] ...
[INFO] [stdout] 125 |                 }.boxed()
[INFO] [stdout]     |                 - `context` is later dropped here
[INFO] [stdout] note: required by a bound in `futures::FutureExt::boxed`
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/futures-util-0.3.12/src/future/future/mod.rs:519:23
[INFO] [stdout]     |
[INFO] [stdout] 519 |         Self: Sized + Send + 'a,
[INFO] [stdout]     |                       ^^^^ required by this bound in `futures::FutureExt::boxed`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: future cannot be sent between threads safely
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/desync-0.7.0/src/pipe.rs:171:9
[INFO] [stdout]     |
[INFO] [stdout] 171 | /         async move {
[INFO] [stdout] 172 | |             let mut context = context;
[INFO] [stdout] 173 | |
[INFO] [stdout] 174 | |             loop {
[INFO] [stdout] ...   |
[INFO] [stdout] 191 | |             }
[INFO] [stdout] 192 | |         }.boxed()
[INFO] [stdout]     | |_________^ future created by async block is not `Send`
[INFO] [stdout]     |
[INFO] [stdout]     = help: within `impl futures::Future<Output = bool>`, 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/github.com-1ecc6299db9ec823/desync-0.7.0/src/pipe.rs:172:31
[INFO] [stdout]     |
[INFO] [stdout] 172 |             let mut context = context;
[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/github.com-1ecc6299db9ec823/futures-util-0.3.12/src/future/future/mod.rs:519:23
[INFO] [stdout]     |
[INFO] [stdout] 519 |         Self: Sized + Send + 'a,
[INFO] [stdout]     |                       ^^^^ required by this bound in `futures::FutureExt::boxed`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: future cannot be sent between threads safely
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/desync-0.7.0/src/pipe.rs:269:9
[INFO] [stdout]     |
[INFO] [stdout] 269 | /         async move {
[INFO] [stdout] 270 | |             if let Some(stream_core) = stream_core {
[INFO] [stdout] 271 | |                 // Defer processing if the stream core is full
[INFO] [stdout] 272 | |                 let is_closed = {
[INFO] [stdout] ...   |
[INFO] [stdout] 345 | |             }
[INFO] [stdout] 346 | |         }.boxed()
[INFO] [stdout]     | |_________^ future created by async block is not `Send`
[INFO] [stdout]     |
[INFO] [stdout]     = help: within `impl futures::Future<Output = bool>`, 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/github.com-1ecc6299db9ec823/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/github.com-1ecc6299db9ec823/futures-util-0.3.12/src/future/future/mod.rs:519:23
[INFO] [stdout]     |
[INFO] [stdout] 519 |         Self: Sized + Send + 'a,
[INFO] [stdout]     |                       ^^^^ required by this bound in `futures::FutureExt::boxed`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 3 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `desync` due to 4 previous errors
[INFO] running `Command { std: "docker" "inspect" "b8e195aa612c7fb8ac93f6142aecf4f77bbc61b32cf854d8bc0784ed7a4d5476", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b8e195aa612c7fb8ac93f6142aecf4f77bbc61b32cf854d8bc0784ed7a4d5476", kill_on_drop: false }`
[INFO] [stdout] b8e195aa612c7fb8ac93f6142aecf4f77bbc61b32cf854d8bc0784ed7a4d5476