[INFO] fetching crate aktoro-channel 0.1.0-alpha.8... [INFO] testing aktoro-channel-0.1.0-alpha.8 against beta-2021-01-01 for beta-1.50-1 [INFO] extracting crate aktoro-channel 0.1.0-alpha.8 into /workspace/builds/worker-6/source [INFO] validating manifest of crates.io crate aktoro-channel 0.1.0-alpha.8 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 aktoro-channel 0.1.0-alpha.8 [INFO] finished tweaking crates.io crate aktoro-channel 0.1.0-alpha.8 [INFO] tweaked toml for crates.io crate aktoro-channel 0.1.0-alpha.8 written to /workspace/builds/worker-6/source/Cargo.toml [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-01-01" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }` [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] Blocking waiting for file lock on package cache [INFO] [stderr] Downloading crates ... [INFO] [stderr] Downloaded romio v0.3.0-alpha.10 [INFO] [stderr] Downloaded async-datagram v3.0.0 [INFO] [stderr] Downloaded runtime-native v0.3.0-alpha.6 [INFO] [stderr] Downloaded runtime v0.3.0-alpha.7 [INFO] [stderr] Downloaded async-ready v3.0.0 [INFO] [stderr] Downloaded futures-timer v0.3.0 [INFO] [stderr] Downloaded juliex v0.3.0-alpha.8 [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" "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] e974813a6ca28f6ab4bdb13f89a22ac1e82b6ecb0890848932a3288ae7b7eefd [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" "e974813a6ca28f6ab4bdb13f89a22ac1e82b6ecb0890848932a3288ae7b7eefd", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "e974813a6ca28f6ab4bdb13f89a22ac1e82b6ecb0890848932a3288ae7b7eefd", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "e974813a6ca28f6ab4bdb13f89a22ac1e82b6ecb0890848932a3288ae7b7eefd", kill_on_drop: false }` [INFO] [stdout] e974813a6ca28f6ab4bdb13f89a22ac1e82b6ecb0890848932a3288ae7b7eefd [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=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] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] [stdout] d4872f9bdb0b2ed363ee4a828341702ac0f8858c30569c1203a7ceabbc35cd36 [INFO] running `Command { std: "docker" "start" "-a" "d4872f9bdb0b2ed363ee4a828341702ac0f8858c30569c1203a7ceabbc35cd36", kill_on_drop: false }` [INFO] [stderr] Compiling futures-core-preview v0.3.0-alpha.18 [INFO] [stderr] Compiling crossbeam-utils v0.6.6 [INFO] [stderr] Compiling crossbeam-queue v0.1.2 [INFO] [stderr] Compiling aktoro-channel v0.1.0-alpha.8 (/opt/rustwide/workdir) [INFO] [stdout] warning: use of deprecated associated function `std::sync::atomic::AtomicUsize::compare_and_swap`: Use `compare_exchange` or `compare_exchange_weak` instead [INFO] [stdout] --> src/counters.rs:72:28 [INFO] [stdout] | [INFO] [stdout] 72 | if counter.compare_and_swap(cur, new, Ordering::SeqCst) == cur { [INFO] [stdout] | ^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(deprecated)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: use of deprecated associated function `std::sync::atomic::AtomicUsize::compare_and_swap`: Use `compare_exchange` or `compare_exchange_weak` instead [INFO] [stdout] --> src/counters.rs:99:34 [INFO] [stdout] | [INFO] [stdout] 99 | if self.csenders.compare_and_swap(cur, new, Ordering::SeqCst) == cur { [INFO] [stdout] | ^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: use of deprecated associated function `std::sync::atomic::AtomicUsize::compare_and_swap`: Use `compare_exchange` or `compare_exchange_weak` instead [INFO] [stdout] --> src/counters.rs:128:34 [INFO] [stdout] | [INFO] [stdout] 128 | if self.crecvers.compare_and_swap(cur, new, Ordering::SeqCst) == cur { [INFO] [stdout] | ^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: use of deprecated associated function `std::sync::atomic::AtomicUsize::compare_and_swap`: Use `compare_exchange` or `compare_exchange_weak` instead [INFO] [stdout] --> src/counters.rs:147:18 [INFO] [stdout] | [INFO] [stdout] 147 | .compare_and_swap(cur, cur - 1, Ordering::SeqCst) [INFO] [stdout] | ^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: use of deprecated associated function `std::sync::atomic::AtomicUsize::compare_and_swap`: Use `compare_exchange` or `compare_exchange_weak` instead [INFO] [stdout] --> src/counters.rs:163:18 [INFO] [stdout] | [INFO] [stdout] 163 | .compare_and_swap(cur, cur - 1, Ordering::SeqCst) [INFO] [stdout] | ^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 5 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 1.42s [INFO] running `Command { std: "docker" "inspect" "d4872f9bdb0b2ed363ee4a828341702ac0f8858c30569c1203a7ceabbc35cd36", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "d4872f9bdb0b2ed363ee4a828341702ac0f8858c30569c1203a7ceabbc35cd36", kill_on_drop: false }` [INFO] [stdout] d4872f9bdb0b2ed363ee4a828341702ac0f8858c30569c1203a7ceabbc35cd36 [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=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] 7552f8c88a5588c6325bb11f146fcce47042543b4f96412d6501427ca4a306f6 [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" "7552f8c88a5588c6325bb11f146fcce47042543b4f96412d6501427ca4a306f6", kill_on_drop: false }` [INFO] [stderr] Compiling memchr v2.3.4 [INFO] [stderr] Compiling futures-io-preview v0.3.0-alpha.18 [INFO] [stderr] Compiling proc-macro2 v1.0.24 [INFO] [stderr] Compiling syn v1.0.57 [INFO] [stderr] Compiling async-ready v3.0.0 [INFO] [stderr] Compiling async-datagram v3.0.0 [INFO] [stderr] Compiling futures-sink-preview v0.3.0-alpha.18 [INFO] [stderr] Compiling crossbeam-channel v0.4.4 [INFO] [stderr] Compiling mio-uds v0.6.8 [INFO] [stdout] warning: use of deprecated associated function `std::sync::atomic::AtomicUsize::compare_and_swap`: Use `compare_exchange` or `compare_exchange_weak` instead [INFO] [stdout] --> src/counters.rs:72:28 [INFO] [stdout] | [INFO] [stdout] 72 | if counter.compare_and_swap(cur, new, Ordering::SeqCst) == cur { [INFO] [stdout] | ^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(deprecated)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: use of deprecated associated function `std::sync::atomic::AtomicUsize::compare_and_swap`: Use `compare_exchange` or `compare_exchange_weak` instead [INFO] [stdout] --> src/counters.rs:99:34 [INFO] [stdout] | [INFO] [stdout] 99 | if self.csenders.compare_and_swap(cur, new, Ordering::SeqCst) == cur { [INFO] [stdout] | ^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: use of deprecated associated function `std::sync::atomic::AtomicUsize::compare_and_swap`: Use `compare_exchange` or `compare_exchange_weak` instead [INFO] [stdout] --> src/counters.rs:128:34 [INFO] [stdout] | [INFO] [stdout] 128 | if self.crecvers.compare_and_swap(cur, new, Ordering::SeqCst) == cur { [INFO] [stdout] | ^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: use of deprecated associated function `std::sync::atomic::AtomicUsize::compare_and_swap`: Use `compare_exchange` or `compare_exchange_weak` instead [INFO] [stdout] --> src/counters.rs:147:18 [INFO] [stdout] | [INFO] [stdout] 147 | .compare_and_swap(cur, cur - 1, Ordering::SeqCst) [INFO] [stdout] | ^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: use of deprecated associated function `std::sync::atomic::AtomicUsize::compare_and_swap`: Use `compare_exchange` or `compare_exchange_weak` instead [INFO] [stdout] --> src/counters.rs:163:18 [INFO] [stdout] | [INFO] [stdout] 163 | .compare_and_swap(cur, cur - 1, Ordering::SeqCst) [INFO] [stdout] | ^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 5 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Compiling futures-channel-preview v0.3.0-alpha.18 [INFO] [stderr] Compiling crossbeam v0.7.3 [INFO] [stderr] Compiling futures-util-preview v0.3.0-alpha.18 [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/futures-util-preview-0.3.0-alpha.18/src/lib.rs:4:38 [INFO] [stdout] | [INFO] [stdout] 4 | #![cfg_attr(feature = "async-await", feature(async_await))] [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Compiling quote v1.0.8 [INFO] [stdout] error: aborting due to previous error [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] For more information about this error, try `rustc --explain E0554`. [INFO] [stdout] [INFO] [stderr] error: could not compile `futures-util-preview` [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" "7552f8c88a5588c6325bb11f146fcce47042543b4f96412d6501427ca4a306f6", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "7552f8c88a5588c6325bb11f146fcce47042543b4f96412d6501427ca4a306f6", kill_on_drop: false }` [INFO] [stdout] 7552f8c88a5588c6325bb11f146fcce47042543b4f96412d6501427ca4a306f6