[INFO] fetching crate futures-async-stream 0.2.5... [INFO] checking futures-async-stream-0.2.5 against master#4d0dd02ee07bddad9136f95c9f7846ebf3eb3fc5 for pr-81174 [INFO] extracting crate futures-async-stream 0.2.5 into /workspace/builds/worker-7/source [INFO] validating manifest of crates.io crate futures-async-stream 0.2.5 on toolchain 4d0dd02ee07bddad9136f95c9f7846ebf3eb3fc5 [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+4d0dd02ee07bddad9136f95c9f7846ebf3eb3fc5" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] started tweaking crates.io crate futures-async-stream 0.2.5 [INFO] finished tweaking crates.io crate futures-async-stream 0.2.5 [INFO] tweaked toml for crates.io crate futures-async-stream 0.2.5 written to /workspace/builds/worker-7/source/Cargo.toml [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+4d0dd02ee07bddad9136f95c9f7846ebf3eb3fc5" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }` [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+4d0dd02ee07bddad9136f95c9f7846ebf3eb3fc5" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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" "rustops/crates-build-env@sha256:21f1ed92105a0ef9b0d27ad8bdeb7f36f9f01ac17fffe3a3f3dc5241fc25d8f4" "/opt/rustwide/cargo-home/bin/cargo" "+4d0dd02ee07bddad9136f95c9f7846ebf3eb3fc5" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] [stdout] 4a9be885971b59ebd4cddfc58df00f125d703d48c244d683b4e70879632e3832 [INFO] running `Command { std: "docker" "start" "-a" "4a9be885971b59ebd4cddfc58df00f125d703d48c244d683b4e70879632e3832", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "4a9be885971b59ebd4cddfc58df00f125d703d48c244d683b4e70879632e3832", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "4a9be885971b59ebd4cddfc58df00f125d703d48c244d683b4e70879632e3832", kill_on_drop: false }` [INFO] [stdout] 4a9be885971b59ebd4cddfc58df00f125d703d48c244d683b4e70879632e3832 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "rustops/crates-build-env@sha256:21f1ed92105a0ef9b0d27ad8bdeb7f36f9f01ac17fffe3a3f3dc5241fc25d8f4" "/opt/rustwide/cargo-home/bin/cargo" "+4d0dd02ee07bddad9136f95c9f7846ebf3eb3fc5" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] [stdout] dd1fbe6fc17235ce60f9590d8f667730115eb2e6b65dc7ef0dea7feb561cc736 [INFO] running `Command { std: "docker" "start" "-a" "dd1fbe6fc17235ce60f9590d8f667730115eb2e6b65dc7ef0dea7feb561cc736", kill_on_drop: false }` [INFO] [stderr] Compiling syn v1.0.60 [INFO] [stderr] Compiling serde_derive v1.0.123 [INFO] [stderr] Compiling serde v1.0.123 [INFO] [stderr] Compiling ryu v1.0.5 [INFO] [stderr] Compiling serde_json v1.0.61 [INFO] [stderr] Compiling trybuild v1.0.38 [INFO] [stderr] Checking itoa v0.4.7 [INFO] [stderr] Checking futures-core v0.3.12 [INFO] [stderr] Compiling rustversion v1.0.4 [INFO] [stderr] Checking termcolor v1.1.2 [INFO] [stderr] Checking pin-project-lite v0.2.4 [INFO] [stderr] Checking lazy_static v1.4.0 [INFO] [stderr] Checking glob v0.3.0 [INFO] [stderr] Checking futures-task v0.3.12 [INFO] [stderr] Checking futures-util v0.3.12 [INFO] [stderr] Compiling pin-project-internal v1.0.4 [INFO] [stderr] Compiling futures-async-stream-macro v0.2.5 [INFO] [stderr] Checking pin-project v1.0.4 [INFO] [stderr] Checking futures-async-stream v0.2.5 (/opt/rustwide/workdir) [INFO] [stderr] Checking toml v0.5.8 [INFO] [stdout] error[E0308]: mismatched types [INFO] [stdout] --> tests/stream.rs:293:5 [INFO] [stdout] | [INFO] [stdout] 293 | #[stream] [INFO] [stdout] | ^^^^^^^^^- help: try adding a semicolon: `;` [INFO] [stdout] | | [INFO] [stdout] | expected `()`, found opaque type [INFO] [stdout] | [INFO] [stdout] ::: /opt/rustwide/workdir/src/lib.rs:345:44 [INFO] [stdout] | [INFO] [stdout] 345 | pub fn from_generator(gen: G) -> impl Stream [INFO] [stdout] | --------------------- the found opaque type [INFO] [stdout] | [INFO] [stdout] = note: expected unit type `()` [INFO] [stdout] found opaque type `impl Stream` [INFO] [stdout] = note: this error originates in an attribute macro (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: aborting due to previous error [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] For more information about this error, try `rustc --explain E0308`. [INFO] [stdout] [INFO] [stderr] error: could not compile `futures-async-stream` [INFO] [stderr] [INFO] [stderr] To learn more, run the command again with --verbose. [INFO] running `Command { std: "docker" "inspect" "dd1fbe6fc17235ce60f9590d8f667730115eb2e6b65dc7ef0dea7feb561cc736", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "dd1fbe6fc17235ce60f9590d8f667730115eb2e6b65dc7ef0dea7feb561cc736", kill_on_drop: false }` [INFO] [stdout] dd1fbe6fc17235ce60f9590d8f667730115eb2e6b65dc7ef0dea7feb561cc736