[INFO] fetching crate futures-async-stream 0.2.9...
[INFO] checking futures-async-stream-0.2.9 against master#c2f2db79ca3024f68d22b45aa22b570775c2c4ad for pr-124157
[INFO] extracting crate futures-async-stream 0.2.9 into /workspace/builds/worker-5-tc1/source
[INFO] validating manifest of crates.io crate futures-async-stream 0.2.9 on toolchain c2f2db79ca3024f68d22b45aa22b570775c2c4ad
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c2f2db79ca3024f68d22b45aa22b570775c2c4ad" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate futures-async-stream 0.2.9
[INFO] finished tweaking crates.io crate futures-async-stream 0.2.9
[INFO] tweaked toml for crates.io crate futures-async-stream 0.2.9 written to /workspace/builds/worker-5-tc1/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c2f2db79ca3024f68d22b45aa22b570775c2c4ad" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 44 packages to latest compatible versions
[INFO] [stderr]       Adding futures-async-stream-macro v0.2.9 (latest: v0.2.11)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c2f2db79ca3024f68d22b45aa22b570775c2c4ad" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded futures-async-stream-macro v0.2.9
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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@sha256:99613afd962a8cfa530ec1899472a458bd015a1ab0af876cf7eb06f6006d81ea" "/opt/rustwide/cargo-home/bin/cargo" "+c2f2db79ca3024f68d22b45aa22b570775c2c4ad" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 1e4500d44c8487b0193395b3954cbbac07836af02aefae1a2e630e7d33427847
[INFO] running `Command { std: "docker" "start" "-a" "1e4500d44c8487b0193395b3954cbbac07836af02aefae1a2e630e7d33427847", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "1e4500d44c8487b0193395b3954cbbac07836af02aefae1a2e630e7d33427847", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1e4500d44c8487b0193395b3954cbbac07836af02aefae1a2e630e7d33427847", kill_on_drop: false }`
[INFO] [stdout] 1e4500d44c8487b0193395b3954cbbac07836af02aefae1a2e630e7d33427847
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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@sha256:99613afd962a8cfa530ec1899472a458bd015a1ab0af876cf7eb06f6006d81ea" "/opt/rustwide/cargo-home/bin/cargo" "+c2f2db79ca3024f68d22b45aa22b570775c2c4ad" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 89f76216d525b12487b26006c233dee5a95460af570c642fe2e24c58e6b4e59b
[INFO] running `Command { std: "docker" "start" "-a" "89f76216d525b12487b26006c233dee5a95460af570c642fe2e24c58e6b4e59b", kill_on_drop: false }`
[INFO] [stderr]     Checking winnow v0.6.7
[INFO] [stderr]     Checking futures-core v0.3.30
[INFO] [stderr]    Compiling trybuild v1.0.91
[INFO] [stderr]     Checking futures-task v0.3.30
[INFO] [stderr]     Checking serde_json v1.0.116
[INFO] [stderr]    Compiling futures-async-stream-macro v0.2.9
[INFO] [stderr]     Checking futures-util v0.3.30
[INFO] [stderr]     Checking futures-async-stream v0.2.9 (/opt/rustwide/workdir)
[INFO] [stderr]     Checking toml_edit v0.22.12
[INFO] [stderr]     Checking toml v0.8.12
[INFO] [stdout] error[E0277]: the type `(dyn Any + 'static)` may contain interior mutability and a reference may not be safely transferrable across a catch_unwind boundary
[INFO] [stdout]    --> src/gen/assert_impl.rs:22:26
[INFO] [stdout]     |
[INFO] [stdout] 22  |     assert_unwind_safe::<crate::future::ResumeTy>();
[INFO] [stdout]     |                          ^^^^^^^^^^^^^^^^^^^^^^^ `(dyn Any + 'static)` may contain interior mutability and a reference may not be safely transferrable across a catch_unwind boundary
[INFO] [stdout]     |
[INFO] [stdout]     = help: within `Context<'static>`, the trait `RefUnwindSafe` is not implemented for `(dyn Any + 'static)`, which is required by `future::ResumeTy: UnwindSafe`
[INFO] [stdout]     = note: required because it appears within the type `&'static mut (dyn Any + 'static)`
[INFO] [stdout] note: required because it appears within the type `core::task::wake::ExtData<'static>`
[INFO] [stdout]    --> /rustc/c2f2db79ca3024f68d22b45aa22b570775c2c4ad/library/core/src/task/wake.rs:225:6
[INFO] [stdout] note: required because it appears within the type `Context<'static>`
[INFO] [stdout]    --> /rustc/c2f2db79ca3024f68d22b45aa22b570775c2c4ad/library/core/src/task/wake.rs:236:12
[INFO] [stdout]     = note: required for `NonNull<Context<'static>>` to implement `UnwindSafe`
[INFO] [stdout] note: required because it appears within the type `future::ResumeTy`
[INFO] [stdout]    --> src/lib.rs:342:16
[INFO] [stdout]     |
[INFO] [stdout] 342 |     pub struct ResumeTy(pub(crate) NonNull<Context<'static>>);
[INFO] [stdout]     |                ^^^^^^^^
[INFO] [stdout] note: required by a bound in `assert_unwind_safe`
[INFO] [stdout]    --> src/gen/assert_impl.rs:15:35
[INFO] [stdout]     |
[INFO] [stdout] 15  | fn assert_unwind_safe<T: ?Sized + std::panic::UnwindSafe>() {}
[INFO] [stdout]     |                                   ^^^^^^^^^^^^^^^^^^^^^^ required by this bound in `assert_unwind_safe`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0277]: the type `(dyn Any + 'static)` may contain interior mutability and a reference may not be safely transferrable across a catch_unwind boundary
[INFO] [stdout]    --> src/gen/assert_impl.rs:23:30
[INFO] [stdout]     |
[INFO] [stdout] 23  |     assert_ref_unwind_safe::<crate::future::ResumeTy>();
[INFO] [stdout]     |                              ^^^^^^^^^^^^^^^^^^^^^^^ `(dyn Any + 'static)` may contain interior mutability and a reference may not be safely transferrable across a catch_unwind boundary
[INFO] [stdout]     |
[INFO] [stdout]     = help: within `future::ResumeTy`, the trait `RefUnwindSafe` is not implemented for `(dyn Any + 'static)`, which is required by `future::ResumeTy: RefUnwindSafe`
[INFO] [stdout]     = note: required because it appears within the type `&'static mut (dyn Any + 'static)`
[INFO] [stdout] note: required because it appears within the type `core::task::wake::ExtData<'static>`
[INFO] [stdout]    --> /rustc/c2f2db79ca3024f68d22b45aa22b570775c2c4ad/library/core/src/task/wake.rs:225:6
[INFO] [stdout] note: required because it appears within the type `Context<'static>`
[INFO] [stdout]    --> /rustc/c2f2db79ca3024f68d22b45aa22b570775c2c4ad/library/core/src/task/wake.rs:236:12
[INFO] [stdout]     = note: required because it appears within the type `*const Context<'static>`
[INFO] [stdout] note: required because it appears within the type `NonNull<Context<'static>>`
[INFO] [stdout]    --> /rustc/c2f2db79ca3024f68d22b45aa22b570775c2c4ad/library/core/src/ptr/non_null.rs:73:12
[INFO] [stdout] note: required because it appears within the type `future::ResumeTy`
[INFO] [stdout]    --> src/lib.rs:342:16
[INFO] [stdout]     |
[INFO] [stdout] 342 |     pub struct ResumeTy(pub(crate) NonNull<Context<'static>>);
[INFO] [stdout]     |                ^^^^^^^^
[INFO] [stdout] note: required by a bound in `assert_ref_unwind_safe`
[INFO] [stdout]    --> src/gen/assert_impl.rs:17:39
[INFO] [stdout]     |
[INFO] [stdout] 17  | fn assert_ref_unwind_safe<T: ?Sized + std::panic::RefUnwindSafe>() {}
[INFO] [stdout]     |                                       ^^^^^^^^^^^^^^^^^^^^^^^^^ required by this bound in `assert_ref_unwind_safe`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 2 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0277`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `futures-async-stream` (lib test) due to 3 previous errors
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]    --> tests/stream.rs:260:14
[INFO] [stdout]     |
[INFO] [stdout] 260 | pub struct A(i32);
[INFO] [stdout]     |            - ^^^
[INFO] [stdout]     |            |
[INFO] [stdout]     |            field in this struct
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field
[INFO] [stdout]     |
[INFO] [stdout] 260 | pub struct A(());
[INFO] [stdout]     |              ~~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "89f76216d525b12487b26006c233dee5a95460af570c642fe2e24c58e6b4e59b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "89f76216d525b12487b26006c233dee5a95460af570c642fe2e24c58e6b4e59b", kill_on_drop: false }`
[INFO] [stdout] 89f76216d525b12487b26006c233dee5a95460af570c642fe2e24c58e6b4e59b
[INFO] checking futures-async-stream-0.2.9 against try#9c7b5f5b6b8ec32bbbcf9f07fc0e5208da6c5f88 for pr-124157
[INFO] extracting crate futures-async-stream 0.2.9 into /workspace/builds/worker-5-tc2/source
[INFO] validating manifest of crates.io crate futures-async-stream 0.2.9 on toolchain 9c7b5f5b6b8ec32bbbcf9f07fc0e5208da6c5f88
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+9c7b5f5b6b8ec32bbbcf9f07fc0e5208da6c5f88" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate futures-async-stream 0.2.9
[INFO] finished tweaking crates.io crate futures-async-stream 0.2.9
[INFO] tweaked toml for crates.io crate futures-async-stream 0.2.9 written to /workspace/builds/worker-5-tc2/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+9c7b5f5b6b8ec32bbbcf9f07fc0e5208da6c5f88" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 44 packages to latest compatible versions
[INFO] [stderr]       Adding futures-async-stream-macro v0.2.9 (latest: v0.2.11)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+9c7b5f5b6b8ec32bbbcf9f07fc0e5208da6c5f88" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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@sha256:99613afd962a8cfa530ec1899472a458bd015a1ab0af876cf7eb06f6006d81ea" "/opt/rustwide/cargo-home/bin/cargo" "+9c7b5f5b6b8ec32bbbcf9f07fc0e5208da6c5f88" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 42703d17c2dc7e48c09acc08b45ee147581f77e54c1b990a5085a67dafb1bc7f
[INFO] running `Command { std: "docker" "start" "-a" "42703d17c2dc7e48c09acc08b45ee147581f77e54c1b990a5085a67dafb1bc7f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "42703d17c2dc7e48c09acc08b45ee147581f77e54c1b990a5085a67dafb1bc7f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "42703d17c2dc7e48c09acc08b45ee147581f77e54c1b990a5085a67dafb1bc7f", kill_on_drop: false }`
[INFO] [stdout] 42703d17c2dc7e48c09acc08b45ee147581f77e54c1b990a5085a67dafb1bc7f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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@sha256:99613afd962a8cfa530ec1899472a458bd015a1ab0af876cf7eb06f6006d81ea" "/opt/rustwide/cargo-home/bin/cargo" "+9c7b5f5b6b8ec32bbbcf9f07fc0e5208da6c5f88" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] fda59eb265a7fdfd1e818fc77c93c7e39939cfa6c466b0116cca015bc6b24f0a
[INFO] running `Command { std: "docker" "start" "-a" "fda59eb265a7fdfd1e818fc77c93c7e39939cfa6c466b0116cca015bc6b24f0a", kill_on_drop: false }`
[INFO] [stderr]     Checking winnow v0.6.7
[INFO] [stderr]     Checking futures-core v0.3.30
[INFO] [stderr]    Compiling trybuild v1.0.91
[INFO] [stderr]     Checking futures-task v0.3.30
[INFO] [stderr]     Checking serde_json v1.0.116
[INFO] [stderr]    Compiling futures-async-stream-macro v0.2.9
[INFO] [stderr]     Checking futures-util v0.3.30
[INFO] [stderr]     Checking futures-async-stream v0.2.9 (/opt/rustwide/workdir)
[INFO] [stderr]     Checking toml_edit v0.22.12
[INFO] [stderr]     Checking toml v0.8.12
[INFO] [stdout] error[E0277]: the type `(dyn Any + 'static)` may contain interior mutability and a reference may not be safely transferrable across a catch_unwind boundary
[INFO] [stdout]    --> src/gen/assert_impl.rs:22:26
[INFO] [stdout]     |
[INFO] [stdout] 22  |     assert_unwind_safe::<crate::future::ResumeTy>();
[INFO] [stdout]     |                          ^^^^^^^^^^^^^^^^^^^^^^^ `(dyn Any + 'static)` may contain interior mutability and a reference may not be safely transferrable across a catch_unwind boundary
[INFO] [stdout]     |
[INFO] [stdout]     = help: within `Context<'static>`, the trait `RefUnwindSafe` is not implemented for `(dyn Any + 'static)`, which is required by `future::ResumeTy: UnwindSafe`
[INFO] [stdout]     = note: required because it appears within the type `&'static mut (dyn Any + 'static)`
[INFO] [stdout] note: required because it appears within the type `core::task::wake::ExtData<'static>`
[INFO] [stdout]    --> /rustc/9c7b5f5b6b8ec32bbbcf9f07fc0e5208da6c5f88/library/core/src/task/wake.rs:225:6
[INFO] [stdout] note: required because it appears within the type `Context<'static>`
[INFO] [stdout]    --> /rustc/9c7b5f5b6b8ec32bbbcf9f07fc0e5208da6c5f88/library/core/src/task/wake.rs:236:12
[INFO] [stdout]     = note: required for `NonNull<Context<'static>>` to implement `UnwindSafe`
[INFO] [stdout] note: required because it appears within the type `future::ResumeTy`
[INFO] [stdout]    --> src/lib.rs:342:16
[INFO] [stdout]     |
[INFO] [stdout] 342 |     pub struct ResumeTy(pub(crate) NonNull<Context<'static>>);
[INFO] [stdout]     |                ^^^^^^^^
[INFO] [stdout] note: required by a bound in `assert_unwind_safe`
[INFO] [stdout]    --> src/gen/assert_impl.rs:15:35
[INFO] [stdout]     |
[INFO] [stdout] 15  | fn assert_unwind_safe<T: ?Sized + std::panic::UnwindSafe>() {}
[INFO] [stdout]     |                                   ^^^^^^^^^^^^^^^^^^^^^^ required by this bound in `assert_unwind_safe`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0277]: the type `(dyn Any + 'static)` may contain interior mutability and a reference may not be safely transferrable across a catch_unwind boundary
[INFO] [stdout]    --> src/gen/assert_impl.rs:23:30
[INFO] [stdout]     |
[INFO] [stdout] 23  |     assert_ref_unwind_safe::<crate::future::ResumeTy>();
[INFO] [stdout]     |                              ^^^^^^^^^^^^^^^^^^^^^^^ `(dyn Any + 'static)` may contain interior mutability and a reference may not be safely transferrable across a catch_unwind boundary
[INFO] [stdout]     |
[INFO] [stdout]     = help: within `future::ResumeTy`, the trait `RefUnwindSafe` is not implemented for `(dyn Any + 'static)`, which is required by `future::ResumeTy: RefUnwindSafe`
[INFO] [stdout]     = note: required because it appears within the type `&'static mut (dyn Any + 'static)`
[INFO] [stdout] note: required because it appears within the type `core::task::wake::ExtData<'static>`
[INFO] [stdout]    --> /rustc/9c7b5f5b6b8ec32bbbcf9f07fc0e5208da6c5f88/library/core/src/task/wake.rs:225:6
[INFO] [stdout] note: required because it appears within the type `Context<'static>`
[INFO] [stdout]    --> /rustc/9c7b5f5b6b8ec32bbbcf9f07fc0e5208da6c5f88/library/core/src/task/wake.rs:236:12
[INFO] [stdout]     = note: required because it appears within the type `*const Context<'static>`
[INFO] [stdout] note: required because it appears within the type `NonNull<Context<'static>>`
[INFO] [stdout]    --> /rustc/9c7b5f5b6b8ec32bbbcf9f07fc0e5208da6c5f88/library/core/src/ptr/non_null.rs:73:12
[INFO] [stdout] note: required because it appears within the type `future::ResumeTy`
[INFO] [stdout]    --> src/lib.rs:342:16
[INFO] [stdout]     |
[INFO] [stdout] 342 |     pub struct ResumeTy(pub(crate) NonNull<Context<'static>>);
[INFO] [stdout]     |                ^^^^^^^^
[INFO] [stdout] note: required by a bound in `assert_ref_unwind_safe`
[INFO] [stdout]    --> src/gen/assert_impl.rs:17:39
[INFO] [stdout]     |
[INFO] [stdout] 17  | fn assert_ref_unwind_safe<T: ?Sized + std::panic::RefUnwindSafe>() {}
[INFO] [stdout]     |                                       ^^^^^^^^^^^^^^^^^^^^^^^^^ required by this bound in `assert_ref_unwind_safe`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 2 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0277`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `futures-async-stream` (lib test) due to 3 previous errors
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]    --> tests/stream.rs:260:14
[INFO] [stdout]     |
[INFO] [stdout] 260 | pub struct A(i32);
[INFO] [stdout]     |            - ^^^
[INFO] [stdout]     |            |
[INFO] [stdout]     |            field in this struct
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field
[INFO] [stdout]     |
[INFO] [stdout] 260 | pub struct A(());
[INFO] [stdout]     |              ~~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "fda59eb265a7fdfd1e818fc77c93c7e39939cfa6c466b0116cca015bc6b24f0a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fda59eb265a7fdfd1e818fc77c93c7e39939cfa6c466b0116cca015bc6b24f0a", kill_on_drop: false }`
[INFO] [stdout] fda59eb265a7fdfd1e818fc77c93c7e39939cfa6c466b0116cca015bc6b24f0a
