[INFO] fetching crate flo_stream 0.7.0...
[INFO] checking flo_stream-0.7.0 against master#af4a5a13a15fa0c60e06321077ef452f769b42fd for pr-122960-4
[INFO] extracting crate flo_stream 0.7.0 into /workspace/builds/worker-3-tc1/source
[INFO] validating manifest of crates.io crate flo_stream 0.7.0 on toolchain af4a5a13a15fa0c60e06321077ef452f769b42fd
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+af4a5a13a15fa0c60e06321077ef452f769b42fd" "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-3-tc1/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: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+af4a5a13a15fa0c60e06321077ef452f769b42fd" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded once_cell v1.5.2
[INFO] [stderr]   Downloaded futures-task v0.3.12
[INFO] [stderr]   Downloaded pin-project-lite v0.2.4
[INFO] [stderr]   Downloaded futures v0.3.12
[INFO] [stderr]   Downloaded futures-sink v0.3.12
[INFO] [stderr]   Downloaded futures-macro v0.3.12
[INFO] [stderr]   Downloaded futures-io v0.3.12
[INFO] [stderr]   Downloaded futures-executor v0.3.12
[INFO] [stderr]   Downloaded futures-core v0.3.12
[INFO] [stderr]   Downloaded futures-channel v0.3.12
[INFO] [stderr]   Downloaded quote v1.0.8
[INFO] [stderr]   Downloaded syn v1.0.60
[INFO] [stderr]   Downloaded futures-util v0.3.12
[INFO] [stderr]   Downloaded desync v0.7.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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" "+af4a5a13a15fa0c60e06321077ef452f769b42fd" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 407ac7dab64f4b1c466b26d6005cb1f6a5bac4b02ce2b52a7ed72e3133969d18
[INFO] running `Command { std: "docker" "start" "-a" "407ac7dab64f4b1c466b26d6005cb1f6a5bac4b02ce2b52a7ed72e3133969d18", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "407ac7dab64f4b1c466b26d6005cb1f6a5bac4b02ce2b52a7ed72e3133969d18", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "407ac7dab64f4b1c466b26d6005cb1f6a5bac4b02ce2b52a7ed72e3133969d18", kill_on_drop: false }`
[INFO] [stdout] 407ac7dab64f4b1c466b26d6005cb1f6a5bac4b02ce2b52a7ed72e3133969d18
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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=allow" "-e" "RUSTDOCFLAGS=--cap-lints=allow" "-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" "+af4a5a13a15fa0c60e06321077ef452f769b42fd" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 7beae608c7f9dbaaef72bed3d73cdd556281d61e1e8ec1b534abd28c983a673d
[INFO] running `Command { std: "docker" "start" "-a" "7beae608c7f9dbaaef72bed3d73cdd556281d61e1e8ec1b534abd28c983a673d", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.24
[INFO] [stderr]    Compiling autocfg v0.1.7
[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]     Checking once_cell v1.5.2
[INFO] [stderr]     Checking futures-sink v0.3.12
[INFO] [stderr]    Compiling libc v0.2.84
[INFO] [stderr]     Checking futures-core v0.3.12
[INFO] [stderr]     Checking pin-project-lite v0.2.4
[INFO] [stderr]     Checking futures-io v0.3.12
[INFO] [stderr]     Checking slab v0.4.2
[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]    Compiling rand_pcg v0.1.2
[INFO] [stderr]    Compiling rand_chacha v0.1.1
[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/index.crates.io-6f17d22bba15001f/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: the trait `Sync` is not implemented for `LocalWaker`, which is required by `{async block@/opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/desync-0.7.0/src/pipe.rs:171:9: 192:10}: std::marker::Send`
[INFO] [stdout] note: captured value is not `Send`
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/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/index.crates.io-6f17d22bba15001f/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-6f17d22bba15001f/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 `{async block@/opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/desync-0.7.0/src/pipe.rs:171:9: 192:10}`, the trait `std::marker::Send` is not implemented for `*mut ()`, which is required by `{async block@/opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/desync-0.7.0/src/pipe.rs:171:9: 192:10}: std::marker::Send`
[INFO] [stdout] note: captured value is not `Send`
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/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/index.crates.io-6f17d22bba15001f/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-6f17d22bba15001f/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: the trait `Sync` is not implemented for `LocalWaker`, which is required by `{async block@/opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/desync-0.7.0/src/pipe.rs:269:9: 346:10}: std::marker::Send`
[INFO] [stdout] note: captured value is not `Send`
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/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-6f17d22bba15001f/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-6f17d22bba15001f/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 `{async block@/opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/desync-0.7.0/src/pipe.rs:269:9: 346:10}`, the trait `std::marker::Send` is not implemented for `*mut ()`, which is required by `{async block@/opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/desync-0.7.0/src/pipe.rs:269:9: 346:10}: std::marker::Send`
[INFO] [stdout] note: captured value is not `Send`
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/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-6f17d22bba15001f/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: aborting due to 4 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `desync` (lib) due to 5 previous errors
[INFO] running `Command { std: "docker" "inspect" "7beae608c7f9dbaaef72bed3d73cdd556281d61e1e8ec1b534abd28c983a673d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7beae608c7f9dbaaef72bed3d73cdd556281d61e1e8ec1b534abd28c983a673d", kill_on_drop: false }`
[INFO] [stdout] 7beae608c7f9dbaaef72bed3d73cdd556281d61e1e8ec1b534abd28c983a673d