[INFO] fetching crate real-async-trait 0.0.2... [INFO] testing real-async-trait-0.0.2 against beta-2021-01-01 for beta-1.50-1 [INFO] extracting crate real-async-trait 0.0.2 into /workspace/builds/worker-9/source [INFO] validating manifest of crates.io crate real-async-trait 0.0.2 on toolchain beta-2021-01-01 [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-01-01" "read-manifest" "--manifest-path" "Cargo.toml", 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-9/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" "+beta-2021-01-01" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Downloading crates ... [INFO] [stderr] Downloaded wasm-bindgen-macro-support v0.2.64 [INFO] [stderr] Downloaded wasm-bindgen-futures v0.4.14 [INFO] [stderr] Downloaded wepoll-sys-stjepang v1.0.6 [INFO] [stderr] Downloaded parking v1.0.4 [INFO] [stderr] Downloaded wasm-bindgen-macro v0.2.64 [INFO] [stderr] Downloaded pin-project-internal v0.4.22 [INFO] [stderr] Downloaded js-sys v0.3.41 [INFO] [stderr] Downloaded syn v1.0.34 [INFO] [stderr] Downloaded pin-project v0.4.22 [INFO] [stderr] Downloaded wasm-bindgen-backend v0.2.64 [INFO] [stderr] Downloaded concurrent-queue v1.1.1 [INFO] [stderr] Downloaded async-std v1.6.2 [INFO] [stderr] Downloaded waker-fn v1.0.0 [INFO] [stderr] Downloaded wasm-bindgen-shared v0.2.64 [INFO] [stderr] Downloaded fastrand v1.3.3 [INFO] [stderr] Downloaded blocking v0.4.6 [INFO] [stderr] Downloaded smol v0.1.18 [INFO] [stderr] Downloaded proc-macro2 v1.0.18 [INFO] [stderr] Downloaded socket2 v0.3.12 [INFO] [stderr] Downloaded scoped-tls v1.0.0 [INFO] [stderr] Downloaded wasm-bindgen v0.2.64 [INFO] [stderr] Downloaded web-sys v0.3.41 [INFO] [stderr] Downloaded libc v0.2.72 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-01-01" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 8d229e78bb2a3159990a61f2434b83dba49c27c35c8f13a02429ca486c18881d [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" "8d229e78bb2a3159990a61f2434b83dba49c27c35c8f13a02429ca486c18881d", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "8d229e78bb2a3159990a61f2434b83dba49c27c35c8f13a02429ca486c18881d", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "8d229e78bb2a3159990a61f2434b83dba49c27c35c8f13a02429ca486c18881d", kill_on_drop: false }` [INFO] [stdout] 8d229e78bb2a3159990a61f2434b83dba49c27c35c8f13a02429ca486c18881d [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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=warn" "-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:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-01-01" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 5bb0b77ecea3b8930077932fc1c96af01fed6af362f43b501886c8cb3dea55b1 [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" "5bb0b77ecea3b8930077932fc1c96af01fed6af362f43b501886c8cb3dea55b1", kill_on_drop: false }` [INFO] [stderr] Compiling proc-macro2 v1.0.18 [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 21.64s [INFO] running `Command { std: "docker" "inspect" "5bb0b77ecea3b8930077932fc1c96af01fed6af362f43b501886c8cb3dea55b1", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "5bb0b77ecea3b8930077932fc1c96af01fed6af362f43b501886c8cb3dea55b1", kill_on_drop: false }` [INFO] [stdout] 5bb0b77ecea3b8930077932fc1c96af01fed6af362f43b501886c8cb3dea55b1 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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=warn" "-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:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-01-01" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 51eaba12ee483d3d0ec5b699d2d06f4d0b487754ec3750b194743590e8ad54f7 [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" "51eaba12ee483d3d0ec5b699d2d06f4d0b487754ec3750b194743590e8ad54f7", 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 futures-core v0.3.5 [INFO] [stderr] Compiling futures-sink v0.3.5 [INFO] [stderr] Compiling once_cell v1.4.0 [INFO] [stderr] Compiling log v0.4.8 [INFO] [stderr] Compiling futures-io v0.3.5 [INFO] [stderr] Compiling parking v1.0.4 [INFO] [stderr] Compiling waker-fn v1.0.0 [INFO] [stderr] Compiling fastrand v1.3.3 [INFO] [stderr] Compiling async-task v3.0.0 [INFO] [stderr] Compiling scoped-tls v1.0.0 [INFO] [stderr] Compiling concurrent-queue v1.1.1 [INFO] [stderr] Compiling async-attributes v1.1.1 [INFO] [stderr] Compiling futures-task v0.3.5 [INFO] [stderr] Compiling futures-channel v0.3.5 [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[E0554]: `#![feature]` may not be used on the beta release channel [INFO] [stdout] --> examples/simple.rs:1:1 [INFO] [stdout] | [INFO] [stdout] 1 | #![feature(generic_associated_types, type_alias_impl_trait)] [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [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] error: aborting due to previous error; 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] For more information about this error, try `rustc --explain E0554`. [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" "51eaba12ee483d3d0ec5b699d2d06f4d0b487754ec3750b194743590e8ad54f7", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "51eaba12ee483d3d0ec5b699d2d06f4d0b487754ec3750b194743590e8ad54f7", kill_on_drop: false }` [INFO] [stdout] 51eaba12ee483d3d0ec5b699d2d06f4d0b487754ec3750b194743590e8ad54f7