[INFO] fetching crate real-async-trait 0.0.2... [INFO] testing real-async-trait-0.0.2 against try#ce59db7a1b1b012fb2793c4641c1bdecad7a128b for pr-85530 [INFO] extracting crate real-async-trait 0.0.2 into /workspace/builds/worker-6/source [INFO] validating manifest of crates.io crate real-async-trait 0.0.2 on toolchain ce59db7a1b1b012fb2793c4641c1bdecad7a128b [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+ce59db7a1b1b012fb2793c4641c1bdecad7a128b" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking crates.io crate real-async-trait 0.0.2 [INFO] finished tweaking crates.io crate real-async-trait 0.0.2 [INFO] tweaked toml for crates.io crate real-async-trait 0.0.2 written to /workspace/builds/worker-6/source/Cargo.toml [INFO] crate crates.io crate real-async-trait 0.0.2 already has a lockfile, it will not be regenerated [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+ce59db7a1b1b012fb2793c4641c1bdecad7a128b" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Downloading crates ... [INFO] [stderr] Downloaded smol v0.1.18 [INFO] [stderr] Downloaded wepoll-sys-stjepang v1.0.6 [INFO] [stderr] Downloaded fastrand v1.3.3 [INFO] [stderr] Downloaded parking v1.0.4 [INFO] [stderr] Downloaded web-sys v0.3.41 [INFO] [stderr] Downloaded wasm-bindgen-macro v0.2.64 [INFO] [stderr] Downloaded wasm-bindgen-shared v0.2.64 [INFO] [stderr] Downloaded wasm-bindgen-macro-support v0.2.64 [INFO] [stderr] Downloaded wasm-bindgen-futures v0.4.14 [INFO] [stderr] Downloaded blocking v0.4.6 [INFO] [stderr] Downloaded js-sys v0.3.41 [INFO] [stderr] Downloaded concurrent-queue v1.1.1 [INFO] [stderr] Downloaded async-std v1.6.2 [INFO] [stderr] Downloaded wasm-bindgen-backend v0.2.64 [INFO] [stderr] Downloaded wasm-bindgen v0.2.64 [INFO] [stderr] Downloaded waker-fn v1.0.0 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+ce59db7a1b1b012fb2793c4641c1bdecad7a128b" "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] 9c498bd994045feffc263f6b6cc5d2b9395db72a4a49743d4e0299cf1f250324 [INFO] running `Command { std: "docker" "start" "-a" "9c498bd994045feffc263f6b6cc5d2b9395db72a4a49743d4e0299cf1f250324", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "9c498bd994045feffc263f6b6cc5d2b9395db72a4a49743d4e0299cf1f250324", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "9c498bd994045feffc263f6b6cc5d2b9395db72a4a49743d4e0299cf1f250324", kill_on_drop: false }` [INFO] [stdout] 9c498bd994045feffc263f6b6cc5d2b9395db72a4a49743d4e0299cf1f250324 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+ce59db7a1b1b012fb2793c4641c1bdecad7a128b" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 2f9ff70a91645b51a66de9ce867f5f998af5eb3f63152f09eb91144d73f5ca45 [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" "2f9ff70a91645b51a66de9ce867f5f998af5eb3f63152f09eb91144d73f5ca45", kill_on_drop: false }` [INFO] [stderr] Compiling proc-macro2 v1.0.18 [INFO] [stderr] Compiling unicode-xid v0.2.1 [INFO] [stderr] Compiling syn v1.0.34 [INFO] [stderr] Compiling quote v1.0.7 [INFO] [stderr] Compiling real-async-trait v0.0.2 (/opt/rustwide/workdir) [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 16.80s [INFO] running `Command { std: "docker" "inspect" "2f9ff70a91645b51a66de9ce867f5f998af5eb3f63152f09eb91144d73f5ca45", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "2f9ff70a91645b51a66de9ce867f5f998af5eb3f63152f09eb91144d73f5ca45", kill_on_drop: false }` [INFO] [stdout] 2f9ff70a91645b51a66de9ce867f5f998af5eb3f63152f09eb91144d73f5ca45 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+ce59db7a1b1b012fb2793c4641c1bdecad7a128b" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] e330bf2246312e4a6722d9e37ffc9ab4478df87af8a3bf92fff21198a1bd523c [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" "e330bf2246312e4a6722d9e37ffc9ab4478df87af8a3bf92fff21198a1bd523c", kill_on_drop: false }` [INFO] [stderr] Compiling pin-project-internal v0.4.22 [INFO] [stderr] Compiling memchr v2.3.3 [INFO] [stderr] Compiling libc v0.2.72 [INFO] [stderr] Compiling cfg-if v0.1.10 [INFO] [stderr] Compiling futures-core v0.3.5 [INFO] [stderr] Compiling once_cell v1.4.0 [INFO] [stderr] Compiling futures-sink v0.3.5 [INFO] [stderr] Compiling pin-utils v0.1.0 [INFO] [stderr] Compiling log v0.4.8 [INFO] [stderr] Compiling futures-io v0.3.5 [INFO] [stderr] Compiling autocfg v1.0.0 [INFO] [stderr] Compiling slab v0.4.2 [INFO] [stderr] Compiling cache-padded v1.1.1 [INFO] [stderr] Compiling waker-fn v1.0.0 [INFO] [stderr] Compiling parking v1.0.4 [INFO] [stderr] Compiling scoped-tls v1.0.0 [INFO] [stderr] Compiling lazy_static v1.4.0 [INFO] [stderr] Compiling async-task v3.0.0 [INFO] [stderr] Compiling fastrand v1.3.3 [INFO] [stderr] Compiling pin-project-lite v0.1.7 [INFO] [stderr] Compiling concurrent-queue v1.1.1 [INFO] [stderr] Compiling futures-channel v0.3.5 [INFO] [stderr] Compiling async-attributes v1.1.1 [INFO] [stderr] Compiling futures-task v0.3.5 [INFO] [stderr] Compiling crossbeam-utils v0.7.2 [INFO] [stderr] Compiling kv-log-macro v1.0.7 [INFO] [stderr] Compiling socket2 v0.3.12 [INFO] [stderr] Compiling num_cpus v1.13.0 [INFO] [stderr] Compiling pin-project v0.4.22 [INFO] [stderr] Compiling futures-util v0.3.5 [INFO] [stderr] Compiling blocking v0.4.6 [INFO] [stderr] Compiling smol v0.1.18 [INFO] [stderr] Compiling async-std v1.6.2 [INFO] [stderr] Compiling real-async-trait v0.0.2 (/opt/rustwide/workdir) [INFO] [stdout] error[E0658]: `impl Trait` in type aliases is unstable [INFO] [stdout] --> examples/simple.rs:25:1 [INFO] [stdout] | [INFO] [stdout] 25 | #[real_async_trait] [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: see issue #63063 for more information [INFO] [stdout] = help: add `#![feature(min_type_alias_impl_trait)]` to the crate attributes to enable [INFO] [stdout] = note: this error originates in the attribute macro `real_async_trait` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the feature `generic_associated_types` is incomplete and may not be safe to use and/or cause compiler crashes [INFO] [stdout] --> examples/simple.rs:1:12 [INFO] [stdout] | [INFO] [stdout] 1 | #![feature(generic_associated_types, type_alias_impl_trait)] [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(incomplete_features)]` on by default [INFO] [stdout] = note: see issue #44265 for more information [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the feature `type_alias_impl_trait` is incomplete and may not be safe to use and/or cause compiler crashes [INFO] [stdout] --> examples/simple.rs:1:38 [INFO] [stdout] | [INFO] [stdout] 1 | #![feature(generic_associated_types, type_alias_impl_trait)] [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: see issue #63063 for more information [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: aborting due to previous error; 2 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] For more information about this error, try `rustc --explain E0658`. [INFO] [stdout] [INFO] [stderr] error: could not compile `real-async-trait` [INFO] [stderr] [INFO] [stderr] To learn more, run the command again with --verbose. [INFO] [stderr] warning: build failed, waiting for other jobs to finish... [INFO] [stderr] error: build failed [INFO] running `Command { std: "docker" "inspect" "e330bf2246312e4a6722d9e37ffc9ab4478df87af8a3bf92fff21198a1bd523c", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "e330bf2246312e4a6722d9e37ffc9ab4478df87af8a3bf92fff21198a1bd523c", kill_on_drop: false }` [INFO] [stdout] e330bf2246312e4a6722d9e37ffc9ab4478df87af8a3bf92fff21198a1bd523c