[INFO] crate futures-async-stream 0.2.2 is already in cache [INFO] testing futures-async-stream-0.2.2 against try#03a1ea71b075ab964b5278bc6e74cd6c52c36ee0 for pr-74409 [INFO] extracting crate futures-async-stream 0.2.2 into /workspace/builds/worker-11/source [INFO] validating manifest of crates.io crate futures-async-stream 0.2.2 on toolchain 03a1ea71b075ab964b5278bc6e74cd6c52c36ee0 [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+03a1ea71b075ab964b5278bc6e74cd6c52c36ee0" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] started tweaking crates.io crate futures-async-stream 0.2.2 [INFO] finished tweaking crates.io crate futures-async-stream 0.2.2 [INFO] tweaked toml for crates.io crate futures-async-stream 0.2.2 written to /workspace/builds/worker-11/source/Cargo.toml [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+03a1ea71b075ab964b5278bc6e74cd6c52c36ee0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }` [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+03a1ea71b075ab964b5278bc6e74cd6c52c36ee0" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env@sha256:d9fbb4e2287ab3795bdefaf705efb7541a8875c13bce71e067d6b01dc5ed759b" "/opt/rustwide/cargo-home/bin/cargo" "+03a1ea71b075ab964b5278bc6e74cd6c52c36ee0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 7ed5a4f31c12ece5880f207804565b61737c817f71786169b9cbd1f477af0d43 [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] running `Command { std: "docker" "start" "-a" "7ed5a4f31c12ece5880f207804565b61737c817f71786169b9cbd1f477af0d43", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "7ed5a4f31c12ece5880f207804565b61737c817f71786169b9cbd1f477af0d43", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "7ed5a4f31c12ece5880f207804565b61737c817f71786169b9cbd1f477af0d43", kill_on_drop: false }` [INFO] [stdout] 7ed5a4f31c12ece5880f207804565b61737c817f71786169b9cbd1f477af0d43 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/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" "MAP_USER_ID=0" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env@sha256:d9fbb4e2287ab3795bdefaf705efb7541a8875c13bce71e067d6b01dc5ed759b" "/opt/rustwide/cargo-home/bin/cargo" "+03a1ea71b075ab964b5278bc6e74cd6c52c36ee0" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] becf829f3caa8c7b3dc37658341f2bd164e8b968a8c0a63c79a13857001934ce [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] running `Command { std: "docker" "start" "-a" "becf829f3caa8c7b3dc37658341f2bd164e8b968a8c0a63c79a13857001934ce", kill_on_drop: false }` [INFO] [stderr] Compiling syn v1.0.35 [INFO] [stderr] Compiling futures-core v0.3.5 [INFO] [stderr] Compiling pin-project-internal v0.4.22 [INFO] [stderr] Compiling futures-async-stream-macro v0.2.2 [INFO] [stderr] Compiling pin-project v0.4.22 [INFO] [stderr] Compiling futures-async-stream v0.2.2 (/opt/rustwide/workdir) [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 17.30s [INFO] running `Command { std: "docker" "inspect" "becf829f3caa8c7b3dc37658341f2bd164e8b968a8c0a63c79a13857001934ce", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "becf829f3caa8c7b3dc37658341f2bd164e8b968a8c0a63c79a13857001934ce", kill_on_drop: false }` [INFO] [stdout] becf829f3caa8c7b3dc37658341f2bd164e8b968a8c0a63c79a13857001934ce [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/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" "MAP_USER_ID=0" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env@sha256:d9fbb4e2287ab3795bdefaf705efb7541a8875c13bce71e067d6b01dc5ed759b" "/opt/rustwide/cargo-home/bin/cargo" "+03a1ea71b075ab964b5278bc6e74cd6c52c36ee0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 6ac35d90e5b0e7884e913417a7505273bd18830a67a9fdfe6df4408d9d3cdf6d [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] running `Command { std: "docker" "start" "-a" "6ac35d90e5b0e7884e913417a7505273bd18830a67a9fdfe6df4408d9d3cdf6d", kill_on_drop: false }` [INFO] [stderr] Compiling serde_derive v1.0.114 [INFO] [stderr] Compiling serde v1.0.114 [INFO] [stderr] Compiling ryu v1.0.5 [INFO] [stderr] Compiling serde_json v1.0.56 [INFO] [stderr] Compiling futures-task v0.3.5 [INFO] [stderr] Compiling glob v0.3.0 [INFO] [stderr] Compiling futures-util v0.3.5 [INFO] [stderr] Compiling toml v0.5.6 [INFO] [stderr] Compiling trybuild v1.0.30 [INFO] [stderr] Compiling futures-async-stream v0.2.2 (/opt/rustwide/workdir) [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 20.61s [INFO] running `Command { std: "docker" "inspect" "6ac35d90e5b0e7884e913417a7505273bd18830a67a9fdfe6df4408d9d3cdf6d", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "6ac35d90e5b0e7884e913417a7505273bd18830a67a9fdfe6df4408d9d3cdf6d", kill_on_drop: false }` [INFO] [stdout] 6ac35d90e5b0e7884e913417a7505273bd18830a67a9fdfe6df4408d9d3cdf6d [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/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" "MAP_USER_ID=0" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env@sha256:d9fbb4e2287ab3795bdefaf705efb7541a8875c13bce71e067d6b01dc5ed759b" "/opt/rustwide/cargo-home/bin/cargo" "+03a1ea71b075ab964b5278bc6e74cd6c52c36ee0" "test" "--frozen", kill_on_drop: false }` [INFO] [stdout] 3f46393026ffbe5747f945e16230ca1472d7dd85dac907239f7709ef24e8c1b0 [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] running `Command { std: "docker" "start" "-a" "3f46393026ffbe5747f945e16230ca1472d7dd85dac907239f7709ef24e8c1b0", kill_on_drop: false }` [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 0.12s [INFO] [stderr] Running /opt/rustwide/target/debug/deps/futures_async_stream-15bbc30725064d07 [INFO] [stdout] [INFO] [stderr] Running /opt/rustwide/target/debug/deps/compiletest-f8e339221d1a89e5 [INFO] [stdout] running 0 tests [INFO] [stdout] [INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] running 1 test [INFO] [stderr] Compiling proc-macro2 v1.0.19 [INFO] [stderr] Compiling unicode-xid v0.2.1 [INFO] [stderr] Compiling syn v1.0.35 [INFO] [stderr] Compiling pin-project-internal v0.4.22 [INFO] [stderr] Checking futures-core v0.3.5 [INFO] [stderr] Checking pin-utils v0.1.0 [INFO] [stderr] Checking futures-task v0.3.5 [INFO] [stderr] Compiling quote v1.0.7 [INFO] [stderr] Compiling futures-async-stream-macro v0.2.2 [INFO] [stderr] Checking pin-project v0.4.22 [INFO] [stderr] Checking futures-async-stream v0.2.2 (/opt/rustwide/workdir) [INFO] [stderr] Checking futures-util v0.3.5 [INFO] [stderr] Checking futures-async-stream-tests v0.0.0 (/opt/rustwide/target/tests/futures-async-stream) [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 24.82s [INFO] [stderr] [INFO] [stderr] [INFO] [stderr] test tests/ui/bad-item-type.rs ... mismatch [INFO] [stderr]  [INFO] [stderr] EXPECTED: [INFO] [stderr] ┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈ [INFO] [stderr] error[E0308]: mismatched types [INFO] [stderr]  --> $DIR/bad-item-type.rs:13:11 [INFO] [stderr]  | [INFO] [stderr] 13 | yield val; //~ ERROR mismatched types [INFO] [stderr]  | ^^^ [INFO] [stderr]  | | [INFO] [stderr]  | expected enum `std::option::Option`, found integer [INFO] [stderr]  | help: try using a variant of the expected enum: `std::option::Option::Some(val)` [INFO] [stderr]  | [INFO] [stderr]  = note: expected enum `std::option::Option<_>` [INFO] [stderr]  found type `{integer}` [INFO] [stderr]  [INFO] [stderr] error[E0698]: type inside generator must be known in this context [INFO] [stderr]  --> $DIR/bad-item-type.rs:7:9 [INFO] [stderr]  | [INFO] [stderr] 7 | let val = Some(42); [INFO] [stderr]  | ^^^ cannot infer type for type `{integer}` [INFO] [stderr]  | [INFO] [stderr] note: the type is part of the generator because of this `yield` [INFO] [stderr]  --> $DIR/bad-item-type.rs:5:1 [INFO] [stderr]  | [INFO] [stderr] 5 | #[stream(item = Option)] [INFO] [stderr]  | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr]  = note: this error originates in an attribute macro (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stderr]  [INFO] [stderr] error[E0698]: type inside generator must be known in this context [INFO] [stderr]  --> $DIR/bad-item-type.rs:12:9 [INFO] [stderr]  | [INFO] [stderr] 12 | let val = val.unwrap(); [INFO] [stderr]  | ^^^ cannot infer type for type `{integer}` [INFO] [stderr]  | [INFO] [stderr] note: the type is part of the generator because of this `yield` [INFO] [stderr]  --> $DIR/bad-item-type.rs:5:1 [INFO] [stderr]  | [INFO] [stderr] 5 | #[stream(item = Option)] [INFO] [stderr]  | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr]  = note: this error originates in an attribute macro (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stderr]  [INFO] [stderr] error[E0698]: type inside generator must be known in this context [INFO] [stderr]  --> $DIR/bad-item-type.rs:13:11 [INFO] [stderr]  | [INFO] [stderr] 13 | yield val; //~ ERROR mismatched types [INFO] [stderr]  | ^^^ cannot infer type for type `{integer}` [INFO] [stderr]  | [INFO] [stderr] note: the type is part of the generator because of this `yield` [INFO] [stderr]  --> $DIR/bad-item-type.rs:5:1 [INFO] [stderr]  | [INFO] [stderr] 5 | #[stream(item = Option)] [INFO] [stderr]  | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr]  = note: this error originates in an attribute macro (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stderr]  [INFO] [stderr] error[E0308]: mismatched types [INFO] [stderr]  --> $DIR/bad-item-type.rs:32:11 [INFO] [stderr]  | [INFO] [stderr] 32 | yield (1, 2) //~ ERROR mismatched types [INFO] [stderr]  | ^^^^^^ expected integer, found tuple [INFO] [stderr]  | [INFO] [stderr]  = note: expected type `{integer}` [INFO] [stderr]  found tuple `({integer}, {integer})` [INFO] [stderr]  [INFO] [stderr] error[E0271]: type mismatch resolving `::Item == (i32, i32)` [INFO] [stderr]  --> $DIR/bad-item-type.rs:27:1 [INFO] [stderr]  | [INFO] [stderr] 27 | #[stream(item = (i32, i32))] [INFO] [stderr]  | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^ expected integer, found tuple [INFO] [stderr]  | [INFO] [stderr]  = note: expected type `{integer}` [INFO] [stderr]  found tuple `(i32, i32)` [INFO] [stderr]  = note: the return type of a function must have a statically known size [INFO] [stderr]  [INFO] [stderr] error[E0698]: type inside generator must be known in this context [INFO] [stderr]  --> $DIR/bad-item-type.rs:30:15 [INFO] [stderr]  | [INFO] [stderr] 30 | yield 3; [INFO] [stderr]  | ^ cannot infer type for type `{integer}` [INFO] [stderr]  | [INFO] [stderr] note: the type is part of the generator because of this `yield` [INFO] [stderr]  --> $DIR/bad-item-type.rs:27:1 [INFO] [stderr]  | [INFO] [stderr] 27 | #[stream(item = (i32, i32))] [INFO] [stderr]  | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr]  = note: this error originates in an attribute macro (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stderr]  [INFO] [stderr] error[E0698]: type inside generator must be known in this context [INFO] [stderr]  --> $DIR/bad-item-type.rs:27:1 [INFO] [stderr]  | [INFO] [stderr] 27 | #[stream(item = (i32, i32))] [INFO] [stderr]  | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^ cannot infer type for type `{integer}` [INFO] [stderr]  | [INFO] [stderr] note: the type is part of the generator because of this `yield` [INFO] [stderr]  --> $DIR/bad-item-type.rs:27:1 [INFO] [stderr]  | [INFO] [stderr] 27 | #[stream(item = (i32, i32))] [INFO] [stderr]  | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr]  = note: this error originates in an attribute macro (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stderr]  [INFO] [stderr] error[E0698]: type inside generator must be known in this context [INFO] [stderr]  --> $DIR/bad-item-type.rs:32:12 [INFO] [stderr]  | [INFO] [stderr] 32 | yield (1, 2) //~ ERROR mismatched types [INFO] [stderr]  | ^ cannot infer type for type `{integer}` [INFO] [stderr]  | [INFO] [stderr] note: the type is part of the generator because of this `yield` [INFO] [stderr]  --> $DIR/bad-item-type.rs:27:1 [INFO] [stderr]  | [INFO] [stderr] 27 | #[stream(item = (i32, i32))] [INFO] [stderr]  | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr]  = note: this error originates in an attribute macro (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stderr]  [INFO] [stderr] error[E0698]: type inside generator must be known in this context [INFO] [stderr]  --> $DIR/bad-item-type.rs:32:15 [INFO] [stderr]  | [INFO] [stderr] 32 | yield (1, 2) //~ ERROR mismatched types [INFO] [stderr]  | ^ cannot infer type for type `{integer}` [INFO] [stderr]  | [INFO] [stderr] note: the type is part of the generator because of this `yield` [INFO] [stderr]  --> $DIR/bad-item-type.rs:27:1 [INFO] [stderr]  | [INFO] [stderr] 27 | #[stream(item = (i32, i32))] [INFO] [stderr]  | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr]  = note: this error originates in an attribute macro (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stderr]  [INFO] [stderr] error[E0698]: type inside generator must be known in this context [INFO] [stderr]  --> $DIR/bad-item-type.rs:32:11 [INFO] [stderr]  | [INFO] [stderr] 32 | yield (1, 2) //~ ERROR mismatched types [INFO] [stderr]  | ^^^^^^ cannot infer type for type `{integer}` [INFO] [stderr]  | [INFO] [stderr] note: the type is part of the generator because of this `yield` [INFO] [stderr]  --> $DIR/bad-item-type.rs:27:1 [INFO] [stderr]  | [INFO] [stderr] 27 | #[stream(item = (i32, i32))] [INFO] [stderr]  | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr]  = note: this error originates in an attribute macro (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stderr]  [INFO] [stderr] error[E0308]: mismatched types [INFO] [stderr]  --> $DIR/bad-item-type.rs:24:11 [INFO] [stderr]  | [INFO] [stderr] 24 | yield val; //~ ERROR mismatched types [INFO] [stderr]  | ^^^ [INFO] [stderr]  | | [INFO] [stderr]  | expected enum `std::option::Option`, found integer [INFO] [stderr]  | help: try using a variant of the expected enum: `std::option::Option::Some(val)` [INFO] [stderr]  | [INFO] [stderr]  = note: expected enum `std::option::Option<_>` [INFO] [stderr]  found type `{integer}` [INFO] [stderr]  [INFO] [stderr] error[E0698]: type inside generator must be known in this context [INFO] [stderr]  --> $DIR/bad-item-type.rs:18:9 [INFO] [stderr]  | [INFO] [stderr] 18 | let val = Some(42); [INFO] [stderr]  | ^^^ cannot infer type for type `{integer}` [INFO] [stderr]  | [INFO] [stderr] note: the type is part of the generator because of this `yield` [INFO] [stderr]  --> $DIR/bad-item-type.rs:16:1 [INFO] [stderr]  | [INFO] [stderr] 16 | #[stream(item = Option, boxed)] [INFO] [stderr]  | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr]  = note: this error originates in an attribute macro (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stderr]  [INFO] [stderr] error[E0698]: type inside generator must be known in this context [INFO] [stderr]  --> $DIR/bad-item-type.rs:23:9 [INFO] [stderr]  | [INFO] [stderr] 23 | let val = val.unwrap(); [INFO] [stderr]  | ^^^ cannot infer type for type `{integer}` [INFO] [stderr]  | [INFO] [stderr] note: the type is part of the generator because of this `yield` [INFO] [stderr]  --> $DIR/bad-item-type.rs:16:1 [INFO] [stderr]  | [INFO] [stderr] 16 | #[stream(item = Option, boxed)] [INFO] [stderr]  | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr]  = note: this error originates in an attribute macro (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stderr]  [INFO] [stderr] error[E0698]: type inside generator must be known in this context [INFO] [stderr]  --> $DIR/bad-item-type.rs:24:11 [INFO] [stderr]  | [INFO] [stderr] 24 | yield val; //~ ERROR mismatched types [INFO] [stderr]  | ^^^ cannot infer type for type `{integer}` [INFO] [stderr]  | [INFO] [stderr] note: the type is part of the generator because of this `yield` [INFO] [stderr]  --> $DIR/bad-item-type.rs:16:1 [INFO] [stderr]  | [INFO] [stderr] 16 | #[stream(item = Option, boxed)] [INFO] [stderr]  | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr]  = note: this error originates in an attribute macro (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stderr]  [INFO] [stderr] error[E0308]: mismatched types [INFO] [stderr]  --> $DIR/bad-item-type.rs:40:11 [INFO] [stderr]  | [INFO] [stderr] 40 | yield (1, 2) //~ ERROR mismatched types [INFO] [stderr]  | ^^^^^^ expected integer, found tuple [INFO] [stderr]  | [INFO] [stderr]  = note: expected type `{integer}` [INFO] [stderr]  found tuple `({integer}, {integer})` [INFO] [stderr]  [INFO] [stderr] error[E0271]: type mismatch resolving `::Item == (i32, i32)` [INFO] [stderr]  --> $DIR/bad-item-type.rs:35:1 [INFO] [stderr]  | [INFO] [stderr] 35 | #[stream(item = (i32, i32), boxed)] [INFO] [stderr]  | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ expected tuple, found integer [INFO] [stderr]  | [INFO] [stderr]  = note: expected tuple `(i32, i32)` [INFO] [stderr]  found type `{integer}` [INFO] [stderr]  = note: required for the cast to the object type `dyn futures_core::stream::Stream + std::marker::Send` [INFO] [stderr]  = note: this error originates in an attribute macro (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stderr]  [INFO] [stderr] error[E0698]: type inside generator must be known in this context [INFO] [stderr]  --> $DIR/bad-item-type.rs:38:15 [INFO] [stderr]  | [INFO] [stderr] 38 | yield 3; [INFO] [stderr]  | ^ cannot infer type for type `{integer}` [INFO] [stderr]  | [INFO] [stderr] note: the type is part of the generator because of this `yield` [INFO] [stderr]  --> $DIR/bad-item-type.rs:35:1 [INFO] [stderr]  | [INFO] [stderr] 35 | #[stream(item = (i32, i32), boxed)] [INFO] [stderr]  | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr]  = note: this error originates in an attribute macro (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stderr]  [INFO] [stderr] error[E0698]: type inside generator must be known in this context [INFO] [stderr]  --> $DIR/bad-item-type.rs:35:1 [INFO] [stderr]  | [INFO] [stderr] 35 | #[stream(item = (i32, i32), boxed)] [INFO] [stderr]  | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ cannot infer type for type `{integer}` [INFO] [stderr]  | [INFO] [stderr] note: the type is part of the generator because of this `yield` [INFO] [stderr]  --> $DIR/bad-item-type.rs:35:1 [INFO] [stderr]  | [INFO] [stderr] 35 | #[stream(item = (i32, i32), boxed)] [INFO] [stderr]  | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr]  = note: this error originates in an attribute macro (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stderr]  [INFO] [stderr] error[E0698]: type inside generator must be known in this context [INFO] [stderr]  --> $DIR/bad-item-type.rs:40:12 [INFO] [stderr]  | [INFO] [stderr] 40 | yield (1, 2) //~ ERROR mismatched types [INFO] [stderr]  | ^ cannot infer type for type `{integer}` [INFO] [stderr]  | [INFO] [stderr] note: the type is part of the generator because of this `yield` [INFO] [stderr]  --> $DIR/bad-item-type.rs:35:1 [INFO] [stderr]  | [INFO] [stderr] 35 | #[stream(item = (i32, i32), boxed)] [INFO] [stderr]  | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr]  = note: this error originates in an attribute macro (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stderr]  [INFO] [stderr] error[E0698]: type inside generator must be known in this context [INFO] [stderr]  --> $DIR/bad-item-type.rs:40:15 [INFO] [stderr]  | [INFO] [stderr] 40 | yield (1, 2) //~ ERROR mismatched types [INFO] [stderr]  | ^ cannot infer type for type `{integer}` [INFO] [stderr]  | [INFO] [stderr] note: the type is part of the generator because of this `yield` [INFO] [stderr]  --> $DIR/bad-item-type.rs:35:1 [INFO] [stderr]  | [INFO] [stderr] 35 | #[stream(item = (i32, i32), boxed)] [INFO] [stderr]  | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr]  = note: this error originates in an attribute macro (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stderr]  [INFO] [stderr] error[E0698]: type inside generator must be known in this context [INFO] [stderr]  --> $DIR/bad-item-type.rs:40:11 [INFO] [stderr]  | [INFO] [stderr] 40 | yield (1, 2) //~ ERROR mismatched types [INFO] [stderr]  | ^^^^^^ cannot infer type for type `{integer}` [INFO] [stderr]  | [INFO] [stderr] note: the type is part of the generator because of this `yield` [INFO] [stderr]  --> $DIR/bad-item-type.rs:35:1 [INFO] [stderr]  | [INFO] [stderr] 35 | #[stream(item = (i32, i32), boxed)] [INFO] [stderr]  | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr]  = note: this error originates in an attribute macro (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stderr] ┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈ [INFO] [stderr]  [INFO] [stderr] ACTUAL OUTPUT: [INFO] [stderr] ┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈ [INFO] [stderr] error[E0308]: mismatched types [INFO] [stderr]  --> $DIR/bad-item-type.rs:13:11 [INFO] [stderr]  | [INFO] [stderr] 13 | yield val; //~ ERROR mismatched types [INFO] [stderr]  | ^^^ [INFO] [stderr]  | | [INFO] [stderr]  | expected enum `std::option::Option`, found integer [INFO] [stderr]  | help: try using a variant of the expected enum: `futures_async_stream::__private::Some(val)` [INFO] [stderr]  | [INFO] [stderr]  = note: expected enum `std::option::Option<_>` [INFO] [stderr]  found type `{integer}` [INFO] [stderr]  [INFO] [stderr] error[E0698]: type inside generator must be known in this context [INFO] [stderr]  --> $DIR/bad-item-type.rs:7:9 [INFO] [stderr]  | [INFO] [stderr] 7 | let val = Some(42); [INFO] [stderr]  | ^^^ cannot infer type for type `{integer}` [INFO] [stderr]  | [INFO] [stderr] note: the type is part of the generator because of this `yield` [INFO] [stderr]  --> $DIR/bad-item-type.rs:5:1 [INFO] [stderr]  | [INFO] [stderr] 5 | #[stream(item = Option)] [INFO] [stderr]  | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr]  = note: this error originates in an attribute macro (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stderr]  [INFO] [stderr] error[E0698]: type inside generator must be known in this context [INFO] [stderr]  --> $DIR/bad-item-type.rs:12:9 [INFO] [stderr]  | [INFO] [stderr] 12 | let val = val.unwrap(); [INFO] [stderr]  | ^^^ cannot infer type for type `{integer}` [INFO] [stderr]  | [INFO] [stderr] note: the type is part of the generator because of this `yield` [INFO] [stderr]  --> $DIR/bad-item-type.rs:5:1 [INFO] [stderr]  | [INFO] [stderr] 5 | #[stream(item = Option)] [INFO] [stderr]  | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr]  = note: this error originates in an attribute macro (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stderr]  [INFO] [stderr] error[E0698]: type inside generator must be known in this context [INFO] [stderr]  --> $DIR/bad-item-type.rs:13:11 [INFO] [stderr]  | [INFO] [stderr] 13 | yield val; //~ ERROR mismatched types [INFO] [stderr]  | ^^^ cannot infer type for type `{integer}` [INFO] [stderr]  | [INFO] [stderr] note: the type is part of the generator because of this `yield` [INFO] [stderr]  --> $DIR/bad-item-type.rs:5:1 [INFO] [stderr]  | [INFO] [stderr] 5 | #[stream(item = Option)] [INFO] [stderr]  | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr]  = note: this error originates in an attribute macro (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stderr]  [INFO] [stderr] error[E0308]: mismatched types [INFO] [stderr]  --> $DIR/bad-item-type.rs:32:11 [INFO] [stderr]  | [INFO] [stderr] 32 | yield (1, 2) //~ ERROR mismatched types [INFO] [stderr]  | ^^^^^^ expected integer, found tuple [INFO] [stderr]  | [INFO] [stderr]  = note: expected type `{integer}` [INFO] [stderr]  found tuple `({integer}, {integer})` [INFO] [stderr]  [INFO] [stderr] error[E0271]: type mismatch resolving `::Item == (i32, i32)` [INFO] [stderr]  --> $DIR/bad-item-type.rs:27:1 [INFO] [stderr]  | [INFO] [stderr] 27 | #[stream(item = (i32, i32))] [INFO] [stderr]  | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^ expected integer, found tuple [INFO] [stderr]  | [INFO] [stderr]  = note: expected type `{integer}` [INFO] [stderr]  found tuple `(i32, i32)` [INFO] [stderr]  = note: the return type of a function must have a statically known size [INFO] [stderr]  [INFO] [stderr] error[E0698]: type inside generator must be known in this context [INFO] [stderr]  --> $DIR/bad-item-type.rs:30:15 [INFO] [stderr]  | [INFO] [stderr] 30 | yield 3; [INFO] [stderr]  | ^ cannot infer type for type `{integer}` [INFO] [stderr]  | [INFO] [stderr] note: the type is part of the generator because of this `yield` [INFO] [stderr]  --> $DIR/bad-item-type.rs:27:1 [INFO] [stderr]  | [INFO] [stderr] 27 | #[stream(item = (i32, i32))] [INFO] [stderr]  | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr]  = note: this error originates in an attribute macro (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stderr]  [INFO] [stderr] error[E0698]: type inside generator must be known in this context [INFO] [stderr]  --> $DIR/bad-item-type.rs:27:1 [INFO] [stderr]  | [INFO] [stderr] 27 | #[stream(item = (i32, i32))] [INFO] [stderr]  | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^ cannot infer type for type `{integer}` [INFO] [stderr]  | [INFO] [stderr] note: the type is part of the generator because of this `yield` [INFO] [stderr]  --> $DIR/bad-item-type.rs:27:1 [INFO] [stderr]  | [INFO] [stderr] 27 | #[stream(item = (i32, i32))] [INFO] [stderr]  | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr]  = note: this error originates in an attribute macro (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stderr]  [INFO] [stderr] error[E0698]: type inside generator must be known in this context [INFO] [stderr]  --> $DIR/bad-item-type.rs:32:12 [INFO] [stderr]  | [INFO] [stderr] 32 | yield (1, 2) //~ ERROR mismatched types [INFO] [stderr]  | ^ cannot infer type for type `{integer}` [INFO] [stderr]  | [INFO] [stderr] note: the type is part of the generator because of this `yield` [INFO] [stderr]  --> $DIR/bad-item-type.rs:27:1 [INFO] [stderr]  | [INFO] [stderr] 27 | #[stream(item = (i32, i32))] [INFO] [stderr]  | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr]  = note: this error originates in an attribute macro (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stderr]  [INFO] [stderr] error[E0698]: type inside generator must be known in this context [INFO] [stderr]  --> $DIR/bad-item-type.rs:32:15 [INFO] [stderr]  | [INFO] [stderr] 32 | yield (1, 2) //~ ERROR mismatched types [INFO] [stderr]  | ^ cannot infer type for type `{integer}` [INFO] [stderr]  | [INFO] [stderr] note: the type is part of the generator because of this `yield` [INFO] [stderr]  --> $DIR/bad-item-type.rs:27:1 [INFO] [stderr]  | [INFO] [stderr] 27 | #[stream(item = (i32, i32))] [INFO] [stderr]  | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr]  = note: this error originates in an attribute macro (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stderr]  [INFO] [stderr] error[E0698]: type inside generator must be known in this context [INFO] [stderr]  --> $DIR/bad-item-type.rs:32:11 [INFO] [stderr]  | [INFO] [stderr] 32 | yield (1, 2) //~ ERROR mismatched types [INFO] [stderr]  | ^^^^^^ cannot infer type for type `{integer}` [INFO] [stderr]  | [INFO] [stderr] note: the type is part of the generator because of this `yield` [INFO] [stderr]  --> $DIR/bad-item-type.rs:27:1 [INFO] [stderr]  | [INFO] [stderr] 27 | #[stream(item = (i32, i32))] [INFO] [stderr]  | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr]  = note: this error originates in an attribute macro (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stderr]  [INFO] [stderr] error[E0308]: mismatched types [INFO] [stderr]  --> $DIR/bad-item-type.rs:24:11 [INFO] [stderr]  | [INFO] [stderr] 24 | yield val; //~ ERROR mismatched types [INFO] [stderr]  | ^^^ [INFO] [stderr]  | | [INFO] [stderr]  | expected enum `std::option::Option`, found integer [INFO] [stderr]  | help: try using a variant of the expected enum: `futures_async_stream::__private::Some(val)` [INFO] [stderr]  | [INFO] [stderr]  = note: expected enum `std::option::Option<_>` [INFO] [stderr]  found type `{integer}` [INFO] [stderr]  [INFO] [stderr] error[E0698]: type inside generator must be known in this context [INFO] [stderr]  --> $DIR/bad-item-type.rs:18:9 [INFO] [stderr]  | [INFO] [stderr] 18 | let val = Some(42); [INFO] [stderr]  | ^^^ cannot infer type for type `{integer}` [INFO] [stderr]  | [INFO] [stderr] note: the type is part of the generator because of this `yield` [INFO] [stderr]  --> $DIR/bad-item-type.rs:16:1 [INFO] [stderr]  | [INFO] [stderr] 16 | #[stream(item = Option, boxed)] [INFO] [stderr]  | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr]  = note: this error originates in an attribute macro (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stderr]  [INFO] [stderr] error[E0698]: type inside generator must be known in this context [INFO] [stderr]  --> $DIR/bad-item-type.rs:23:9 [INFO] [stderr]  | [INFO] [stderr] 23 | let val = val.unwrap(); [INFO] [stderr]  | ^^^ cannot infer type for type `{integer}` [INFO] [stderr]  | [INFO] [stderr] note: the type is part of the generator because of this `yield` [INFO] [stderr]  --> $DIR/bad-item-type.rs:16:1 [INFO] [stderr]  | [INFO] [stderr] 16 | #[stream(item = Option, boxed)] [INFO] [stderr]  | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr]  = note: this error originates in an attribute macro (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stderr]  [INFO] [stderr] error[E0698]: type inside generator must be known in this context [INFO] [stderr]  --> $DIR/bad-item-type.rs:24:11 [INFO] [stderr]  | [INFO] [stderr] 24 | yield val; //~ ERROR mismatched types [INFO] [stderr]  | ^^^ cannot infer type for type `{integer}` [INFO] [stderr]  | [INFO] [stderr] note: the type is part of the generator because of this `yield` [INFO] [stderr]  --> $DIR/bad-item-type.rs:16:1 [INFO] [stderr]  | [INFO] [stderr] 16 | #[stream(item = Option, boxed)] [INFO] [stderr]  | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr]  = note: this error originates in an attribute macro (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stderr]  [INFO] [stderr] error[E0308]: mismatched types [INFO] [stderr]  --> $DIR/bad-item-type.rs:40:11 [INFO] [stderr]  | [INFO] [stderr] 40 | yield (1, 2) //~ ERROR mismatched types [INFO] [stderr]  | ^^^^^^ expected integer, found tuple [INFO] [stderr]  | [INFO] [stderr]  = note: expected type `{integer}` [INFO] [stderr]  found tuple `({integer}, {integer})` [INFO] [stderr]  [INFO] [stderr] error[E0271]: type mismatch resolving `::Item == (i32, i32)` [INFO] [stderr]  --> $DIR/bad-item-type.rs:35:1 [INFO] [stderr]  | [INFO] [stderr] 35 | #[stream(item = (i32, i32), boxed)] [INFO] [stderr]  | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ expected tuple, found integer [INFO] [stderr]  | [INFO] [stderr]  = note: expected tuple `(i32, i32)` [INFO] [stderr]  found type `{integer}` [INFO] [stderr]  = note: required for the cast to the object type `dyn futures_async_stream::__private::stream::Stream + std::marker::Send` [INFO] [stderr]  = note: this error originates in an attribute macro (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stderr]  [INFO] [stderr] error[E0698]: type inside generator must be known in this context [INFO] [stderr]  --> $DIR/bad-item-type.rs:38:15 [INFO] [stderr]  | [INFO] [stderr] 38 | yield 3; [INFO] [stderr]  | ^ cannot infer type for type `{integer}` [INFO] [stderr]  | [INFO] [stderr] note: the type is part of the generator because of this `yield` [INFO] [stderr]  --> $DIR/bad-item-type.rs:35:1 [INFO] [stderr]  | [INFO] [stderr] 35 | #[stream(item = (i32, i32), boxed)] [INFO] [stderr]  | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr]  = note: this error originates in an attribute macro (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stderr]  [INFO] [stderr] error[E0698]: type inside generator must be known in this context [INFO] [stderr]  --> $DIR/bad-item-type.rs:35:1 [INFO] [stderr]  | [INFO] [stderr] 35 | #[stream(item = (i32, i32), boxed)] [INFO] [stderr]  | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ cannot infer type for type `{integer}` [INFO] [stderr]  | [INFO] [stderr] note: the type is part of the generator because of this `yield` [INFO] [stderr]  --> $DIR/bad-item-type.rs:35:1 [INFO] [stderr]  | [INFO] [stderr] 35 | #[stream(item = (i32, i32), boxed)] [INFO] [stderr]  | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr]  = note: this error originates in an attribute macro (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stderr]  [INFO] [stderr] error[E0698]: type inside generator must be known in this context [INFO] [stderr]  --> $DIR/bad-item-type.rs:40:12 [INFO] [stderr]  | [INFO] [stderr] 40 | yield (1, 2) //~ ERROR mismatched types [INFO] [stderr]  | ^ cannot infer type for type `{integer}` [INFO] [stderr]  | [INFO] [stderr] note: the type is part of the generator because of this `yield` [INFO] [stderr]  --> $DIR/bad-item-type.rs:35:1 [INFO] [stderr]  | [INFO] [stderr] 35 | #[stream(item = (i32, i32), boxed)] [INFO] [stderr]  | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr]  = note: this error originates in an attribute macro (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stderr]  [INFO] [stderr] error[E0698]: type inside generator must be known in this context [INFO] [stderr]  --> $DIR/bad-item-type.rs:40:15 [INFO] [stderr]  | [INFO] [stderr] 40 | yield (1, 2) //~ ERROR mismatched types [INFO] [stderr]  | ^ cannot infer type for type `{integer}` [INFO] [stderr]  | [INFO] [stderr] note: the type is part of the generator because of this `yield` [INFO] [stderr]  --> $DIR/bad-item-type.rs:35:1 [INFO] [stderr]  | [INFO] [stderr] 35 | #[stream(item = (i32, i32), boxed)] [INFO] [stderr]  | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr]  = note: this error originates in an attribute macro (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stderr]  [INFO] [stderr] error[E0698]: type inside generator must be known in this context [INFO] [stderr]  --> $DIR/bad-item-type.rs:40:11 [INFO] [stderr]  | [INFO] [stderr] 40 | yield (1, 2) //~ ERROR mismatched types [INFO] [stderr]  | ^^^^^^ cannot infer type for type `{integer}` [INFO] [stderr]  | [INFO] [stderr] note: the type is part of the generator because of this `yield` [INFO] [stderr]  --> $DIR/bad-item-type.rs:35:1 [INFO] [stderr]  | [INFO] [stderr] 35 | #[stream(item = (i32, i32), boxed)] [INFO] [stderr]  | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr]  = note: this error originates in an attribute macro (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stderr] ┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈ [INFO] [stderr] note: If the actual output is the correct output you can bless it by rerunning [INFO] [stderr] your test with the environment variable TRYBUILD=overwrite [INFO] [stderr] [INFO] [stderr] test tests/ui/borrow-as-mut.rs ... ok [INFO] [stderr] test tests/ui/def-site.rs ... ok [INFO] [stderr] test tests/ui/forget-semicolon.rs ... ok [INFO] [stderr] test tests/ui/invalid-argument.rs ... ok [INFO] [stderr] test tests/ui/invalid.rs ... ok [INFO] [stderr] test tests/ui/move-captured-variable.rs ... ok [INFO] [stderr] test tests/ui/nested.rs ... ok [INFO] [stderr] test tests/ui/question-mark-await-type-error.rs ... mismatch [INFO] [stderr]  [INFO] [stderr] EXPECTED: [INFO] [stderr] ┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈ [INFO] [stderr] error[E0277]: the `?` operator can only be applied to values that implement `std::ops::Try` [INFO] [stderr]  --> $DIR/question-mark-await-type-error.rs:14:9 [INFO] [stderr]  | [INFO] [stderr] 14 | async {}.await?; //~ ERROR the `?` operator can only be applied to values that implement `std::ops::Try` [INFO] [stderr]  | ^^^^^^^^^^^^^^^ the `?` operator cannot be applied to type `()` [INFO] [stderr]  | [INFO] [stderr]  = help: the trait `std::ops::Try` is not implemented for `()` [INFO] [stderr]  = note: required by `std::ops::Try::into_result` [INFO] [stderr]  [INFO] [stderr] error[E0698]: type inside `async fn` body must be known in this context [INFO] [stderr]  --> $DIR/question-mark-await-type-error.rs:13:15 [INFO] [stderr]  | [INFO] [stderr] 13 | for _i in 1..2 { [INFO] [stderr]  | ^ cannot infer type for type `{integer}` [INFO] [stderr]  | [INFO] [stderr] note: the type is part of the `async fn` body because of this `await` [INFO] [stderr]  --> $DIR/question-mark-await-type-error.rs:14:9 [INFO] [stderr]  | [INFO] [stderr] 14 | async {}.await?; //~ ERROR the `?` operator can only be applied to values that implement `std::ops::Try` [INFO] [stderr]  | ^^^^^^^^^^^^^^ [INFO] [stderr]  [INFO] [stderr] error[E0698]: type inside `async fn` body must be known in this context [INFO] [stderr]  --> $DIR/question-mark-await-type-error.rs:13:18 [INFO] [stderr]  | [INFO] [stderr] 13 | for _i in 1..2 { [INFO] [stderr]  | ^ cannot infer type for type `{integer}` [INFO] [stderr]  | [INFO] [stderr] note: the type is part of the `async fn` body because of this `await` [INFO] [stderr]  --> $DIR/question-mark-await-type-error.rs:14:9 [INFO] [stderr]  | [INFO] [stderr] 14 | async {}.await?; //~ ERROR the `?` operator can only be applied to values that implement `std::ops::Try` [INFO] [stderr]  | ^^^^^^^^^^^^^^ [INFO] [stderr]  [INFO] [stderr] error[E0698]: type inside `async fn` body must be known in this context [INFO] [stderr]  --> $DIR/question-mark-await-type-error.rs:13:15 [INFO] [stderr]  | [INFO] [stderr] 13 | for _i in 1..2 { [INFO] [stderr]  | ^^^^ cannot infer type for type `{integer}` [INFO] [stderr]  | [INFO] [stderr] note: the type is part of the `async fn` body because of this `await` [INFO] [stderr]  --> $DIR/question-mark-await-type-error.rs:14:9 [INFO] [stderr]  | [INFO] [stderr] 14 | async {}.await?; //~ ERROR the `?` operator can only be applied to values that implement `std::ops::Try` [INFO] [stderr]  | ^^^^^^^^^^^^^^ [INFO] [stderr]  [INFO] [stderr] error[E0698]: type inside `async fn` body must be known in this context [INFO] [stderr]  --> $DIR/question-mark-await-type-error.rs:13:9 [INFO] [stderr]  | [INFO] [stderr] 13 | for _i in 1..2 { [INFO] [stderr]  | ^^ cannot infer type for type `{integer}` [INFO] [stderr]  | [INFO] [stderr] note: the type is part of the `async fn` body because of this `await` [INFO] [stderr]  --> $DIR/question-mark-await-type-error.rs:14:9 [INFO] [stderr]  | [INFO] [stderr] 14 | async {}.await?; //~ ERROR the `?` operator can only be applied to values that implement `std::ops::Try` [INFO] [stderr]  | ^^^^^^^^^^^^^^ [INFO] [stderr]  [INFO] [stderr] error[E0277]: the `?` operator can only be applied to values that implement `std::ops::Try` [INFO] [stderr]  --> $DIR/question-mark-await-type-error.rs:28:9 [INFO] [stderr]  | [INFO] [stderr] 28 | async {}.await?; //~ ERROR the `?` operator can only be applied to values that implement `std::ops::Try` [INFO] [stderr]  | ^^^^^^^^^^^^^^^ the `?` operator cannot be applied to type `()` [INFO] [stderr]  | [INFO] [stderr]  = help: the trait `std::ops::Try` is not implemented for `()` [INFO] [stderr]  = note: required by `std::ops::Try::into_result` [INFO] [stderr]  [INFO] [stderr] error[E0277]: the `?` operator can only be applied to values that implement `std::ops::Try` [INFO] [stderr]  --> $DIR/question-mark-await-type-error.rs:21:18 [INFO] [stderr]  | [INFO] [stderr] 21 | async {}.await?; //~ ERROR the `?` operator can only be applied to values that implement `std::ops::Try` [INFO] [stderr]  | ^^^^^^ the `?` operator cannot be applied to type `()` [INFO] [stderr]  | [INFO] [stderr]  = help: the trait `std::ops::Try` is not implemented for `()` [INFO] [stderr]  = note: required by `std::ops::Try::into_result` [INFO] [stderr]  [INFO] [stderr] error[E0698]: type inside generator must be known in this context [INFO] [stderr]  --> $DIR/question-mark-await-type-error.rs:20:15 [INFO] [stderr]  | [INFO] [stderr] 20 | for _i in 1..2 { [INFO] [stderr]  | ^ cannot infer type for type `{integer}` [INFO] [stderr]  | [INFO] [stderr] note: the type is part of the generator because of this `yield` [INFO] [stderr]  --> $DIR/question-mark-await-type-error.rs:21:18 [INFO] [stderr]  | [INFO] [stderr] 21 | async {}.await?; //~ ERROR the `?` operator can only be applied to values that implement `std::ops::Try` [INFO] [stderr]  | ^^^^^ [INFO] [stderr]  [INFO] [stderr] error[E0698]: type inside generator must be known in this context [INFO] [stderr]  --> $DIR/question-mark-await-type-error.rs:20:18 [INFO] [stderr]  | [INFO] [stderr] 20 | for _i in 1..2 { [INFO] [stderr]  | ^ cannot infer type for type `{integer}` [INFO] [stderr]  | [INFO] [stderr] note: the type is part of the generator because of this `yield` [INFO] [stderr]  --> $DIR/question-mark-await-type-error.rs:21:18 [INFO] [stderr]  | [INFO] [stderr] 21 | async {}.await?; //~ ERROR the `?` operator can only be applied to values that implement `std::ops::Try` [INFO] [stderr]  | ^^^^^ [INFO] [stderr]  [INFO] [stderr] error[E0698]: type inside generator must be known in this context [INFO] [stderr]  --> $DIR/question-mark-await-type-error.rs:20:15 [INFO] [stderr]  | [INFO] [stderr] 20 | for _i in 1..2 { [INFO] [stderr]  | ^^^^ cannot infer type for type `{integer}` [INFO] [stderr]  | [INFO] [stderr] note: the type is part of the generator because of this `yield` [INFO] [stderr]  --> $DIR/question-mark-await-type-error.rs:21:18 [INFO] [stderr]  | [INFO] [stderr] 21 | async {}.await?; //~ ERROR the `?` operator can only be applied to values that implement `std::ops::Try` [INFO] [stderr]  | ^^^^^ [INFO] [stderr]  [INFO] [stderr] error[E0698]: type inside generator must be known in this context [INFO] [stderr]  --> $DIR/question-mark-await-type-error.rs:20:9 [INFO] [stderr]  | [INFO] [stderr] 20 | for _i in 1..2 { [INFO] [stderr]  | ^^ cannot infer type for type `{integer}` [INFO] [stderr]  | [INFO] [stderr] note: the type is part of the generator because of this `yield` [INFO] [stderr]  --> $DIR/question-mark-await-type-error.rs:21:18 [INFO] [stderr]  | [INFO] [stderr] 21 | async {}.await?; //~ ERROR the `?` operator can only be applied to values that implement `std::ops::Try` [INFO] [stderr]  | ^^^^^ [INFO] [stderr]  [INFO] [stderr] error[E0277]: the `?` operator can only be applied to values that implement `std::ops::Try` [INFO] [stderr]  --> $DIR/question-mark-await-type-error.rs:36:18 [INFO] [stderr]  | [INFO] [stderr] 36 | async {}.await?; //~ ERROR the `?` operator can only be applied to values that implement `std::ops::Try` [INFO] [stderr]  | ^^^^^^ the `?` operator cannot be applied to type `()` [INFO] [stderr]  | [INFO] [stderr]  = help: the trait `std::ops::Try` is not implemented for `()` [INFO] [stderr]  = note: required by `std::ops::Try::into_result` [INFO] [stderr] ┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈ [INFO] [stderr]  [INFO] [stderr] ACTUAL OUTPUT: [INFO] [stderr] ┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈ [INFO] [stderr] error[E0277]: the `?` operator can only be applied to values that implement `std::ops::Try` [INFO] [stderr]  --> $DIR/question-mark-await-type-error.rs:14:9 [INFO] [stderr]  | [INFO] [stderr] 14 | async {}.await?; //~ ERROR the `?` operator can only be applied to values that implement `std::ops::Try` [INFO] [stderr]  | ^^^^^^^^^^^^^^^ the `?` operator cannot be applied to type `()` [INFO] [stderr]  | [INFO] [stderr]  = help: the trait `std::ops::Try` is not implemented for `()` [INFO] [stderr]  = note: required by `std::ops::Try::into_result` [INFO] [stderr]  [INFO] [stderr] error[E0698]: type inside `async fn` body must be known in this context [INFO] [stderr]  --> $DIR/question-mark-await-type-error.rs:13:15 [INFO] [stderr]  | [INFO] [stderr] 13 | for _i in 1..2 { [INFO] [stderr]  | ^ cannot infer type for type `{integer}` [INFO] [stderr]  | [INFO] [stderr] note: the type is part of the `async fn` body because of this `await` [INFO] [stderr]  --> $DIR/question-mark-await-type-error.rs:14:9 [INFO] [stderr]  | [INFO] [stderr] 14 | async {}.await?; //~ ERROR the `?` operator can only be applied to values that implement `std::ops::Try` [INFO] [stderr]  | ^^^^^^^^^^^^^^ [INFO] [stderr]  [INFO] [stderr] error[E0698]: type inside `async fn` body must be known in this context [INFO] [stderr]  --> $DIR/question-mark-await-type-error.rs:13:18 [INFO] [stderr]  | [INFO] [stderr] 13 | for _i in 1..2 { [INFO] [stderr]  | ^ cannot infer type for type `{integer}` [INFO] [stderr]  | [INFO] [stderr] note: the type is part of the `async fn` body because of this `await` [INFO] [stderr]  --> $DIR/question-mark-await-type-error.rs:14:9 [INFO] [stderr]  | [INFO] [stderr] 14 | async {}.await?; //~ ERROR the `?` operator can only be applied to values that implement `std::ops::Try` [INFO] [stderr]  | ^^^^^^^^^^^^^^ [INFO] [stderr]  [INFO] [stderr] error[E0698]: type inside `async fn` body must be known in this context [INFO] [stderr]  --> $DIR/question-mark-await-type-error.rs:13:15 [INFO] [stderr]  | [INFO] [stderr] 13 | for _i in 1..2 { [INFO] [stderr]  | ^^^^ cannot infer type for type `{integer}` [INFO] [stderr]  | [INFO] [stderr] note: the type is part of the `async fn` body because of this `await` [INFO] [stderr]  --> $DIR/question-mark-await-type-error.rs:14:9 [INFO] [stderr]  | [INFO] [stderr] 14 | async {}.await?; //~ ERROR the `?` operator can only be applied to values that implement `std::ops::Try` [INFO] [stderr]  | ^^^^^^^^^^^^^^ [INFO] [stderr]  [INFO] [stderr] error[E0698]: type inside `async fn` body must be known in this context [INFO] [stderr]  --> $DIR/question-mark-await-type-error.rs:13:15 [INFO] [stderr]  | [INFO] [stderr] 13 | for _i in 1..2 { [INFO] [stderr]  | ^^^^ cannot infer type for type `{integer}` [INFO] [stderr]  | [INFO] [stderr] note: the type is part of the `async fn` body because of this `await` [INFO] [stderr]  --> $DIR/question-mark-await-type-error.rs:14:9 [INFO] [stderr]  | [INFO] [stderr] 14 | async {}.await?; //~ ERROR the `?` operator can only be applied to values that implement `std::ops::Try` [INFO] [stderr]  | ^^^^^^^^^^^^^^ [INFO] [stderr]  [INFO] [stderr] error[E0698]: type inside `async fn` body must be known in this context [INFO] [stderr]  --> $DIR/question-mark-await-type-error.rs:13:9 [INFO] [stderr]  | [INFO] [stderr] 13 | for _i in 1..2 { [INFO] [stderr]  | ^^ cannot infer type for type `{integer}` [INFO] [stderr]  | [INFO] [stderr] note: the type is part of the `async fn` body because of this `await` [INFO] [stderr]  --> $DIR/question-mark-await-type-error.rs:14:9 [INFO] [stderr]  | [INFO] [stderr] 14 | async {}.await?; //~ ERROR the `?` operator can only be applied to values that implement `std::ops::Try` [INFO] [stderr]  | ^^^^^^^^^^^^^^ [INFO] [stderr]  [INFO] [stderr] error[E0277]: the `?` operator can only be applied to values that implement `std::ops::Try` [INFO] [stderr]  --> $DIR/question-mark-await-type-error.rs:28:9 [INFO] [stderr]  | [INFO] [stderr] 28 | async {}.await?; //~ ERROR the `?` operator can only be applied to values that implement `std::ops::Try` [INFO] [stderr]  | ^^^^^^^^^^^^^^^ the `?` operator cannot be applied to type `()` [INFO] [stderr]  | [INFO] [stderr]  = help: the trait `std::ops::Try` is not implemented for `()` [INFO] [stderr]  = note: required by `std::ops::Try::into_result` [INFO] [stderr]  [INFO] [stderr] error[E0277]: the `?` operator can only be applied to values that implement `std::ops::Try` [INFO] [stderr]  --> $DIR/question-mark-await-type-error.rs:21:18 [INFO] [stderr]  | [INFO] [stderr] 21 | async {}.await?; //~ ERROR the `?` operator can only be applied to values that implement `std::ops::Try` [INFO] [stderr]  | ^^^^^^ the `?` operator cannot be applied to type `()` [INFO] [stderr]  | [INFO] [stderr]  = help: the trait `std::ops::Try` is not implemented for `()` [INFO] [stderr]  = note: required by `std::ops::Try::into_result` [INFO] [stderr]  [INFO] [stderr] error[E0698]: type inside generator must be known in this context [INFO] [stderr]  --> $DIR/question-mark-await-type-error.rs:20:15 [INFO] [stderr]  | [INFO] [stderr] 20 | for _i in 1..2 { [INFO] [stderr]  | ^ cannot infer type for type `{integer}` [INFO] [stderr]  | [INFO] [stderr] note: the type is part of the generator because of this `yield` [INFO] [stderr]  --> $DIR/question-mark-await-type-error.rs:21:18 [INFO] [stderr]  | [INFO] [stderr] 21 | async {}.await?; //~ ERROR the `?` operator can only be applied to values that implement `std::ops::Try` [INFO] [stderr]  | ^^^^^ [INFO] [stderr]  [INFO] [stderr] error[E0698]: type inside generator must be known in this context [INFO] [stderr]  --> $DIR/question-mark-await-type-error.rs:20:18 [INFO] [stderr]  | [INFO] [stderr] 20 | for _i in 1..2 { [INFO] [stderr]  | ^ cannot infer type for type `{integer}` [INFO] [stderr]  | [INFO] [stderr] note: the type is part of the generator because of this `yield` [INFO] [stderr]  --> $DIR/question-mark-await-type-error.rs:21:18 [INFO] [stderr]  | [INFO] [stderr] 21 | async {}.await?; //~ ERROR the `?` operator can only be applied to values that implement `std::ops::Try` [INFO] [stderr]  | ^^^^^ [INFO] [stderr]  [INFO] [stderr] error[E0698]: type inside generator must be known in this context [INFO] [stderr]  --> $DIR/question-mark-await-type-error.rs:20:15 [INFO] [stderr]  | [INFO] [stderr] 20 | for _i in 1..2 { [INFO] [stderr]  | ^^^^ cannot infer type for type `{integer}` [INFO] [stderr]  | [INFO] [stderr] note: the type is part of the generator because of this `yield` [INFO] [stderr]  --> $DIR/question-mark-await-type-error.rs:21:18 [INFO] [stderr]  | [INFO] [stderr] 21 | async {}.await?; //~ ERROR the `?` operator can only be applied to values that implement `std::ops::Try` [INFO] [stderr]  | ^^^^^ [INFO] [stderr]  [INFO] [stderr] error[E0698]: type inside generator must be known in this context [INFO] [stderr]  --> $DIR/question-mark-await-type-error.rs:20:15 [INFO] [stderr]  | [INFO] [stderr] 20 | for _i in 1..2 { [INFO] [stderr]  | ^^^^ cannot infer type for type `{integer}` [INFO] [stderr]  | [INFO] [stderr] note: the type is part of the generator because of this `yield` [INFO] [stderr]  --> $DIR/question-mark-await-type-error.rs:21:18 [INFO] [stderr]  | [INFO] [stderr] 21 | async {}.await?; //~ ERROR the `?` operator can only be applied to values that implement `std::ops::Try` [INFO] [stderr]  | ^^^^^ [INFO] [stderr]  [INFO] [stderr] error[E0698]: type inside generator must be known in this context [INFO] [stderr]  --> $DIR/question-mark-await-type-error.rs:20:9 [INFO] [stderr]  | [INFO] [stderr] 20 | for _i in 1..2 { [INFO] [stderr]  | ^^ cannot infer type for type `{integer}` [INFO] [stderr]  | [INFO] [stderr] note: the type is part of the generator because of this `yield` [INFO] [stderr]  --> $DIR/question-mark-await-type-error.rs:21:18 [INFO] [stderr]  | [INFO] [stderr] 21 | async {}.await?; //~ ERROR the `?` operator can only be applied to values that implement `std::ops::Try` [INFO] [stderr]  | ^^^^^ [INFO] [stderr]  [INFO] [stderr] error[E0277]: the `?` operator can only be applied to values that implement `std::ops::Try` [INFO] [stderr]  --> $DIR/question-mark-await-type-error.rs:36:18 [INFO] [stderr]  | [INFO] [stderr] 36 | async {}.await?; //~ ERROR the `?` operator can only be applied to values that implement `std::ops::Try` [INFO] [stderr]  | ^^^^^^ the `?` operator cannot be applied to type `()` [INFO] [stderr]  | [INFO] [stderr]  = help: the trait `std::ops::Try` is not implemented for `()` [INFO] [stderr]  = note: required by `std::ops::Try::into_result` [INFO] [stderr] ┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈ [INFO] [stderr] note: If the actual output is the correct output you can bless it by rerunning [INFO] [stderr] your test with the environment variable TRYBUILD=overwrite [INFO] [stderr] [INFO] [stderr] test tests/ui/threads-sendsync.rs ... mismatch [INFO] [stderr]  [INFO] [stderr] EXPECTED: [INFO] [stderr] ┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈ [INFO] [stderr] error[E0277]: `dyn futures_core::stream::Stream` cannot be sent between threads safely [INFO] [stderr]  --> $DIR/threads-sendsync.rs:27:17 [INFO] [stderr]  | [INFO] [stderr] 5 | fn assert_send(_: T) {} [INFO] [stderr]  | ---- required by this bound in `assert_send` [INFO] [stderr] ... [INFO] [stderr] 27 | assert_send(boxed_local()); //~ ERROR `dyn futures_core::stream::Stream` cannot be sent between threads safely [INFO] [stderr]  | ^^^^^^^^^^^^^ `dyn futures_core::stream::Stream` cannot be sent between threads safely [INFO] [stderr]  | [INFO] [stderr]  = help: the trait `std::marker::Send` is not implemented for `dyn futures_core::stream::Stream` [INFO] [stderr]  = note: required because of the requirements on the impl of `std::marker::Send` for `std::ptr::Unique>` [INFO] [stderr]  = note: required because it appears within the type `std::boxed::Box>` [INFO] [stderr]  = note: required because it appears within the type `std::pin::Pin>>` [INFO] [stderr] ┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈ [INFO] [stderr]  [INFO] [stderr] ACTUAL OUTPUT: [INFO] [stderr] ┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈ [INFO] [stderr] error[E0277]: `dyn futures_async_stream::__private::stream::Stream` cannot be sent between threads safely [INFO] [stderr]  --> $DIR/threads-sendsync.rs:27:17 [INFO] [stderr]  | [INFO] [stderr] 5 | fn assert_send(_: T) {} [INFO] [stderr]  | ---- required by this bound in `assert_send` [INFO] [stderr] ... [INFO] [stderr] 27 | assert_send(boxed_local()); //~ ERROR `dyn futures_core::stream::Stream` cannot be sent between threads safely [INFO] [stderr]  | ^^^^^^^^^^^^^ `dyn futures_async_stream::__private::stream::Stream` cannot be sent between threads safely [INFO] [stderr]  | [INFO] [stderr]  = help: the trait `std::marker::Send` is not implemented for `dyn futures_async_stream::__private::stream::Stream` [INFO] [stderr]  = note: required because of the requirements on the impl of `std::marker::Send` for `std::ptr::Unique>` [INFO] [stderr]  = note: required because it appears within the type `std::boxed::Box>` [INFO] [stderr]  = note: required because it appears within the type `std::pin::Pin>>` [INFO] [stderr] ┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈ [INFO] [stderr] note: If the actual output is the correct output you can bless it by rerunning [INFO] [stderr] your test with the environment variable TRYBUILD=overwrite [INFO] [stderr] [INFO] [stderr] test tests/ui/type-error.rs ... ok [INFO] [stderr] test tests/ui/unresolved-type.rs ... mismatch [INFO] [stderr]  [INFO] [stderr] EXPECTED: [INFO] [stderr] ┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈ [INFO] [stderr] error[E0412]: cannot find type `L` in this scope [INFO] [stderr]  --> $DIR/unresolved-type.rs:5:17 [INFO] [stderr]  | [INFO] [stderr] 5 | #[stream(item = L)] //~ ERROR cannot find type `Left` in this scope [INFO] [stderr]  | ^ not found in this scope [INFO] [stderr]  [INFO] [stderr] error[E0698]: type inside generator must be known in this context [INFO] [stderr]  --> $DIR/unresolved-type.rs:5:1 [INFO] [stderr]  | [INFO] [stderr] 5 | #[stream(item = L)] //~ ERROR cannot find type `Left` in this scope [INFO] [stderr]  | ^^^^^^^^^^^^^^^^^^^ cannot infer type for type parameter `T` declared on the enum `Poll` [INFO] [stderr]  | [INFO] [stderr] note: the type is part of the generator because of this `yield` [INFO] [stderr]  --> $DIR/unresolved-type.rs:5:1 [INFO] [stderr]  | [INFO] [stderr] 5 | #[stream(item = L)] //~ ERROR cannot find type `Left` in this scope [INFO] [stderr]  | ^^^^^^^^^^^^^^^^^^^ [INFO] [stderr]  = note: this error originates in an attribute macro (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stderr] ┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈ [INFO] [stderr]  [INFO] [stderr] ACTUAL OUTPUT: [INFO] [stderr] ┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈ [INFO] [stderr] error[E0412]: cannot find type `L` in this scope [INFO] [stderr]  --> $DIR/unresolved-type.rs:5:17 [INFO] [stderr]  | [INFO] [stderr] 5 | #[stream(item = L)] //~ ERROR cannot find type `Left` in this scope [INFO] [stderr]  | ^ not found in this scope [INFO] [stderr] 6 | async fn foo() {} [INFO] [stderr]  | - help: you might be missing a type parameter: `` [INFO] [stderr]  [INFO] [stderr] error[E0698]: type inside generator must be known in this context [INFO] [stderr]  --> $DIR/unresolved-type.rs:5:1 [INFO] [stderr]  | [INFO] [stderr] 5 | #[stream(item = L)] //~ ERROR cannot find type `Left` in this scope [INFO] [stderr]  | ^^^^^^^^^^^^^^^^^^^ cannot infer type for type parameter `T` declared on the enum `Poll` [INFO] [stderr]  | [INFO] [stderr] note: the type is part of the generator because of this `yield` [INFO] [stderr]  --> $DIR/unresolved-type.rs:5:1 [INFO] [stderr]  | [INFO] [stderr] 5 | #[stream(item = L)] //~ ERROR cannot find type `Left` in this scope [INFO] [stderr]  | ^^^^^^^^^^^^^^^^^^^ [INFO] [stderr]  = note: this error originates in an attribute macro (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stderr] ┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈ [INFO] [stderr] note: If the actual output is the correct output you can bless it by rerunning [INFO] [stderr] your test with the environment variable TRYBUILD=overwrite [INFO] [stderr] [INFO] [stderr] [INFO] [stderr] [INFO] [stdout] test ui ... FAILED [INFO] [stdout] [INFO] [stdout] failures: [INFO] [stdout] [INFO] [stdout] ---- ui stdout ---- [INFO] [stdout] thread 'ui' panicked at '4 of 12 tests failed', /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/trybuild-1.0.30/src/run.rs:60:13 [INFO] [stdout] stack backtrace: [INFO] [stdout] 0: 0x5601c00d6ef5 - backtrace::backtrace::libunwind::trace::hea89dfbbfe67f40d [INFO] [stdout] at /cargo/registry/src/github.com-1ecc6299db9ec823/backtrace-0.3.46/src/backtrace/libunwind.rs:86 [INFO] [stdout] 1: 0x5601c00d6ef5 - backtrace::backtrace::trace_unsynchronized::h0513dd713d7644d4 [INFO] [stdout] at /cargo/registry/src/github.com-1ecc6299db9ec823/backtrace-0.3.46/src/backtrace/mod.rs:66 [INFO] [stdout] 2: 0x5601c00d6ef5 - std::sys_common::backtrace::_print_fmt::h040abae64e4a24a9 [INFO] [stdout] at src/libstd/sys_common/backtrace.rs:78 [INFO] [stdout] 3: 0x5601c00d6ef5 - ::fmt::hb4bdb37c3c335733 [INFO] [stdout] at src/libstd/sys_common/backtrace.rs:59 [INFO] [stdout] 4: 0x5601c010086c - core::fmt::write::h540ac4a6a1232abc [INFO] [stdout] at src/libcore/fmt/mod.rs:1076 [INFO] [stdout] 5: 0x5601c0088f25 - std::io::Write::write_fmt::h4be0daababb55bba [INFO] [stdout] at /rustc/03a1ea71b075ab964b5278bc6e74cd6c52c36ee0/src/libstd/io/mod.rs:1539 [INFO] [stdout] 6: 0x5601c00d0161 - std::io::impls::>::write_fmt::h83c1e1aa73f374f5 [INFO] [stdout] at src/libstd/io/impls.rs:176 [INFO] [stdout] 7: 0x5601c00d9720 - std::sys_common::backtrace::_print::hb55cc635eaf1882e [INFO] [stdout] at src/libstd/sys_common/backtrace.rs:62 [INFO] [stdout] 8: 0x5601c00d9720 - std::sys_common::backtrace::print::h2b2218fa55714084 [INFO] [stdout] at src/libstd/sys_common/backtrace.rs:49 [INFO] [stdout] 9: 0x5601c00d9720 - std::panicking::default_hook::{{closure}}::h578517c025765cf3 [INFO] [stdout] at src/libstd/panicking.rs:198 [INFO] [stdout] 10: 0x5601c00d941a - std::panicking::default_hook::h4cafc94c2fc640fb [INFO] [stdout] at src/libstd/panicking.rs:214 [INFO] [stdout] 11: 0x5601c00d9d63 - std::panicking::rust_panic_with_hook::h3eeb5001beeca5c3 [INFO] [stdout] at src/libstd/panicking.rs:526 [INFO] [stdout] 12: 0x5601c00d995b - rust_begin_unwind [INFO] [stdout] at src/libstd/panicking.rs:437 [INFO] [stdout] 13: 0x5601c00d98cb - std::panicking::begin_panic_fmt::hbb5e59697acc78ba [INFO] [stdout] at src/libstd/panicking.rs:391 [INFO] [stdout] 14: 0x5601bfefce6a - trybuild::run::::run::h0456e2de96936e37 [INFO] [stdout] at /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/trybuild-1.0.30/src/run.rs:60 [INFO] [stdout] 15: 0x5601bff01566 - ::drop::haf28b33b2a3e67ac [INFO] [stdout] at /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/trybuild-1.0.30/src/lib.rs:282 [INFO] [stdout] 16: 0x5601bfea0646 - core::ptr::drop_in_place::h88d106ec34b3ebb2 [INFO] [stdout] at /rustc/03a1ea71b075ab964b5278bc6e74cd6c52c36ee0/src/libcore/ptr/mod.rs:184 [INFO] [stdout] 17: 0x5601bfea0aaf - compiletest::ui::h545a4b7a83470f18 [INFO] [stdout] at tests/compiletest.rs:7 [INFO] [stdout] 18: 0x5601bfea0a5a - compiletest::ui::{{closure}}::h76147aaa467a6fa4 [INFO] [stdout] at tests/compiletest.rs:4 [INFO] [stdout] 19: 0x5601bfea05de - core::ops::function::FnOnce::call_once::hcbe4c6fa60541104 [INFO] [stdout] at /rustc/03a1ea71b075ab964b5278bc6e74cd6c52c36ee0/src/libcore/ops/function.rs:233 [INFO] [stdout] 20: 0x5601c00b049c - as core::ops::function::FnOnce>::call_once::h8340ba6798e0c4ff [INFO] [stdout] at /rustc/03a1ea71b075ab964b5278bc6e74cd6c52c36ee0/src/liballoc/boxed.rs:1081 [INFO] [stdout] 21: 0x5601c00b049c - as core::ops::function::FnOnce<()>>::call_once::h5590e98676605094 [INFO] [stdout] at /rustc/03a1ea71b075ab964b5278bc6e74cd6c52c36ee0/src/libstd/panic.rs:318 [INFO] [stdout] 22: 0x5601c00b049c - std::panicking::try::do_call::hd8680a2dbb0ed3c4 [INFO] [stdout] at /rustc/03a1ea71b075ab964b5278bc6e74cd6c52c36ee0/src/libstd/panicking.rs:348 [INFO] [stdout] 23: 0x5601c00b049c - std::panicking::try::h46b4de2d705e7a8d [INFO] [stdout] at /rustc/03a1ea71b075ab964b5278bc6e74cd6c52c36ee0/src/libstd/panicking.rs:325 [INFO] [stdout] 24: 0x5601c00b049c - std::panic::catch_unwind::h059b3f06991e0a9c [INFO] [stdout] at /rustc/03a1ea71b075ab964b5278bc6e74cd6c52c36ee0/src/libstd/panic.rs:394 [INFO] [stdout] 25: 0x5601c00b049c - test::run_test_in_process::h5ae08a65430494a4 [INFO] [stdout] at src/libtest/lib.rs:541 [INFO] [stdout] 26: 0x5601c00b049c - test::run_test::run_test_inner::{{closure}}::h4b36073838376ae8 [INFO] [stdout] at src/libtest/lib.rs:450 [INFO] [stdout] 27: 0x5601c0088416 - std::sys_common::backtrace::__rust_begin_short_backtrace::h0169d0be588b8bf0 [INFO] [stdout] at /rustc/03a1ea71b075ab964b5278bc6e74cd6c52c36ee0/src/libstd/sys_common/backtrace.rs:130 [INFO] [stdout] 28: 0x5601c008d405 - std::thread::Builder::spawn_unchecked::{{closure}}::{{closure}}::h71bfc37e887d3973 [INFO] [stdout] at /rustc/03a1ea71b075ab964b5278bc6e74cd6c52c36ee0/src/libstd/thread/mod.rs:475 [INFO] [stdout] 29: 0x5601c008d405 - as core::ops::function::FnOnce<()>>::call_once::h36c65072907dc180 [INFO] [stdout] at /rustc/03a1ea71b075ab964b5278bc6e74cd6c52c36ee0/src/libstd/panic.rs:318 [INFO] [stdout] 30: 0x5601c008d405 - std::panicking::try::do_call::h4e0f426e17cd216c [INFO] [stdout] at /rustc/03a1ea71b075ab964b5278bc6e74cd6c52c36ee0/src/libstd/panicking.rs:348 [INFO] [stdout] 31: 0x5601c008d405 - std::panicking::try::hd05e4ef6b4303d29 [INFO] [stdout] at /rustc/03a1ea71b075ab964b5278bc6e74cd6c52c36ee0/src/libstd/panicking.rs:325 [INFO] [stdout] 32: 0x5601c008d405 - std::panic::catch_unwind::h19a1127ec729c5dd [INFO] [stdout] at /rustc/03a1ea71b075ab964b5278bc6e74cd6c52c36ee0/src/libstd/panic.rs:394 [INFO] [stdout] 33: 0x5601c008d405 - std::thread::Builder::spawn_unchecked::{{closure}}::h011300735f06b1e2 [INFO] [stdout] at /rustc/03a1ea71b075ab964b5278bc6e74cd6c52c36ee0/src/libstd/thread/mod.rs:474 [INFO] [stdout] 34: 0x5601c008d405 - core::ops::function::FnOnce::call_once{{vtable.shim}}::h1e3c55f31f1d122e [INFO] [stdout] at /rustc/03a1ea71b075ab964b5278bc6e74cd6c52c36ee0/src/libcore/ops/function.rs:233 [INFO] [stdout] 35: 0x5601c00e06fa - as core::ops::function::FnOnce>::call_once::hc0e15d78a519721e [INFO] [stdout] at /rustc/03a1ea71b075ab964b5278bc6e74cd6c52c36ee0/src/liballoc/boxed.rs:1081 [INFO] [stdout] 36: 0x5601c00e06fa - as core::ops::function::FnOnce>::call_once::h211da8fffb09f192 [INFO] [stdout] at /rustc/03a1ea71b075ab964b5278bc6e74cd6c52c36ee0/src/liballoc/boxed.rs:1081 [INFO] [stdout] 37: 0x5601c00e06fa - std::sys::unix::thread::Thread::new::thread_start::h29594ddebf23e421 [INFO] [stdout] at src/libstd/sys/unix/thread.rs:87 [INFO] [stdout] 38: 0x7f2fe6f32609 - start_thread [INFO] [stdout] 39: 0x7f2fe6e3e103 - __clone [INFO] [stdout] 40: 0x0 - [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] failures: [INFO] [stdout] ui [INFO] [stdout] [INFO] [stdout] test result: FAILED. 0 passed; 1 failed; 0 ignored; 0 measured; 0 filtered out [INFO] [stdout] [INFO] [stderr] error: test failed, to rerun pass '--test compiletest' [INFO] running `Command { std: "docker" "inspect" "3f46393026ffbe5747f945e16230ca1472d7dd85dac907239f7709ef24e8c1b0", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "3f46393026ffbe5747f945e16230ca1472d7dd85dac907239f7709ef24e8c1b0", kill_on_drop: false }` [INFO] [stdout] 3f46393026ffbe5747f945e16230ca1472d7dd85dac907239f7709ef24e8c1b0