[INFO] fetching crate arcon_messages 0.1.2... [INFO] checking arcon_messages-0.1.2 against beta for pr-78714 [INFO] extracting crate arcon_messages 0.1.2 into /workspace/builds/worker-0/source [INFO] validating manifest of crates.io crate arcon_messages 0.1.2 on toolchain beta [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] started tweaking crates.io crate arcon_messages 0.1.2 [INFO] finished tweaking crates.io crate arcon_messages 0.1.2 [INFO] tweaked toml for crates.io crate arcon_messages 0.1.2 written to /workspace/builds/worker-0/source/Cargo.toml [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }` [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+beta" "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] 5a035276651eae91994a4eff84915c839284cf0e197c3887d56b7df096653a0a [INFO] running `Command { std: "docker" "start" "-a" "5a035276651eae91994a4eff84915c839284cf0e197c3887d56b7df096653a0a", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "5a035276651eae91994a4eff84915c839284cf0e197c3887d56b7df096653a0a", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "5a035276651eae91994a4eff84915c839284cf0e197c3887d56b7df096653a0a", kill_on_drop: false }` [INFO] [stdout] 5a035276651eae91994a4eff84915c839284cf0e197c3887d56b7df096653a0a [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+beta" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 2f6743edad1a3a3d3ad694d9f370d0f56e261d3e70b051a8f083ffa12f08dafa [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" "2f6743edad1a3a3d3ad694d9f370d0f56e261d3e70b051a8f083ffa12f08dafa", kill_on_drop: false }` [INFO] [stderr] Checking futures v0.1.30 [INFO] [stderr] Compiling syn v1.0.48 [INFO] [stderr] Compiling autocfg v0.1.7 [INFO] [stderr] Checking rand_core v0.4.2 [INFO] [stderr] Checking fnv v1.0.7 [INFO] [stderr] Compiling protobuf v2.18.0 [INFO] [stderr] Compiling ppv-lite86 v0.2.10 [INFO] [stderr] Compiling slog v2.5.2 [INFO] [stderr] Compiling remove_dir_all v0.5.3 [INFO] [stderr] Checking take_mut v0.2.2 [INFO] [stderr] Checking bitfields v0.2.0 [INFO] [stderr] Checking oncemutex v0.1.1 [INFO] [stderr] Checking sequence_trie v0.3.6 [INFO] [stderr] Checking as_num v0.2.5 [INFO] [stderr] Checking arc-swap v0.3.11 [INFO] [stderr] Checking crossbeam-utils v0.6.6 [INFO] [stderr] Checking iovec v0.1.4 [INFO] [stderr] Checking net2 v0.2.35 [INFO] [stderr] Checking dirs-sys v0.3.5 [INFO] [stderr] Compiling getrandom v0.1.15 [INFO] [stderr] Checking threadpool v1.8.1 [INFO] [stderr] Checking rand_core v0.3.1 [INFO] [stderr] Checking rand_jitter v0.1.4 [INFO] [stderr] Checking rand_os v0.1.3 [INFO] [stderr] Checking bytes v0.4.12 [INFO] [stderr] Checking crossbeam-channel v0.4.4 [INFO] [stderr] Checking crossbeam-epoch v0.8.2 [INFO] [stderr] Checking dirs v2.0.2 [INFO] [stderr] Checking rand_isaac v0.1.1 [INFO] [stderr] Checking rand_xorshift v0.1.1 [INFO] [stderr] Checking rand_hc v0.1.0 [INFO] [stderr] Checking parking_lot_core v0.6.2 [INFO] [stderr] Compiling rand_core v0.5.1 [INFO] [stderr] Checking mio v0.6.22 [INFO] [stderr] Checking term v0.6.1 [INFO] [stderr] Checking crossbeam-queue v0.1.2 [INFO] [stderr] Checking crossbeam-channel v0.3.9 [INFO] [stderr] Checking crossbeam-deque v0.7.3 [INFO] [stderr] Checking parking_lot v0.9.0 [INFO] [stderr] Checking synchronoise v1.0.0 [INFO] [stderr] Compiling rand_pcg v0.1.2 [INFO] [stderr] Compiling rand_chacha v0.1.1 [INFO] [stderr] Compiling rand v0.6.5 [INFO] [stderr] Compiling rand_chacha v0.2.2 [INFO] [stderr] Checking slog-term v2.6.0 [INFO] [stderr] Checking slog-async v2.5.0 [INFO] [stderr] Compiling rand v0.7.3 [INFO] [stderr] Checking mio-uds v0.6.8 [INFO] [stderr] Checking tokio-executor v0.1.10 [INFO] [stderr] Checking tokio-io v0.1.13 [INFO] [stderr] Checking tokio-sync v0.1.8 [INFO] [stderr] Checking uuid v0.7.4 [INFO] [stderr] Checking tokio-timer v0.2.13 [INFO] [stderr] Checking tokio-threadpool v0.1.18 [INFO] [stderr] Checking tokio-current-thread v0.1.7 [INFO] [stderr] Compiling tempfile v3.1.0 [INFO] [stderr] Checking tokio-reactor v0.1.12 [INFO] [stderr] Checking tokio-codec v0.1.2 [INFO] [stderr] Checking spaniel v0.1.0 [INFO] [stderr] Checking tokio-retry v0.2.0 [INFO] [stderr] Checking tokio-fs v0.1.7 [INFO] [stderr] Checking tokio-uds v0.2.7 [INFO] [stderr] Checking tokio-udp v0.1.6 [INFO] [stderr] Checking tokio-tcp v0.1.4 [INFO] [stderr] Checking tokio v0.1.22 [INFO] [stderr] Compiling protobuf-codegen v2.18.0 [INFO] [stderr] Compiling thiserror-impl v1.0.22 [INFO] [stderr] Compiling arr_macro_impl v0.1.3 [INFO] [stderr] Compiling kompact-actor-derive v0.8.1 [INFO] [stderr] Compiling kompact-component-derive v0.8.1 [INFO] [stderr] Checking arr_macro v0.1.3 [INFO] [stderr] Checking executors v0.5.3 [INFO] [stderr] Checking kompact v0.8.1 [INFO] [stdout] error[E0554]: `#![feature]` may not be used on the beta release channel [INFO] [stdout] --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/kompact-0.8.1/src/lib.rs:8:1 [INFO] [stdout] | [INFO] [stdout] 8 | #![feature(specialization)] [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0554]: `#![feature]` may not be used on the beta release channel [INFO] [stdout] --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/kompact-0.8.1/src/lib.rs:9:1 [INFO] [stdout] | [INFO] [stdout] 9 | #![feature(unsized_locals)] [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0554]: `#![feature]` may not be used on the beta release channel [INFO] [stdout] --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/kompact-0.8.1/src/lib.rs:10:1 [INFO] [stdout] | [INFO] [stdout] 10 | #![feature(drain_filter)] [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0554]: `#![feature]` may not be used on the beta release channel [INFO] [stdout] --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/kompact-0.8.1/src/lib.rs:11:1 [INFO] [stdout] | [INFO] [stdout] 11 | #![feature(never_type)] [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Compiling thiserror v1.0.22 [INFO] [stderr] Compiling which v4.0.2 [INFO] [stderr] Compiling protoc v2.18.0 [INFO] [stderr] Compiling protoc-rust v2.18.0 [INFO] [stdout] error: aborting due to 4 previous errors [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] For more information about this error, try `rustc --explain E0554`. [INFO] [stdout] [INFO] [stderr] error: could not compile `kompact` [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" "2f6743edad1a3a3d3ad694d9f370d0f56e261d3e70b051a8f083ffa12f08dafa", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "2f6743edad1a3a3d3ad694d9f370d0f56e261d3e70b051a8f083ffa12f08dafa", kill_on_drop: false }` [INFO] [stdout] 2f6743edad1a3a3d3ad694d9f370d0f56e261d3e70b051a8f083ffa12f08dafa