[INFO] cloning repository https://github.com/EkardNT/implicit-await [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/EkardNT/implicit-await" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FEkardNT%2Fimplicit-await", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FEkardNT%2Fimplicit-await'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 4915fb3f60e2689b6dc6b1b3b3aaeceac274544e [INFO] testing EkardNT/implicit-await against beta-2021-09-08 for beta-1.56-1 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FEkardNT%2Fimplicit-await" "/workspace/builds/worker-19/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-19/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/EkardNT/implicit-await on toolchain beta-2021-09-08 [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-09-08" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/EkardNT/implicit-await [INFO] finished tweaking git repo https://github.com/EkardNT/implicit-await [INFO] tweaked toml for git repo https://github.com/EkardNT/implicit-await written to /workspace/builds/worker-19/source/Cargo.toml [INFO] crate git repo https://github.com/EkardNT/implicit-await already has a lockfile, it will not be regenerated [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-09-08" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Downloading crates ... [INFO] [stderr] Downloaded futures-core-preview v0.3.0-alpha.16 [INFO] [stderr] Downloaded futures-channel-preview v0.3.0-alpha.16 [INFO] [stderr] Downloaded futures-util-preview v0.3.0-alpha.16 [INFO] [stderr] Downloaded futures-io-preview v0.3.0-alpha.16 [INFO] [stderr] Downloaded proc-macro-hack v0.5.7 [INFO] [stderr] Downloaded futures-executor-preview v0.3.0-alpha.16 [INFO] [stderr] Downloaded futures-sink-preview v0.3.0-alpha.16 [INFO] [stderr] Downloaded futures-preview v0.3.0-alpha.16 [INFO] [stderr] Downloaded futures-select-macro-preview v0.3.0-alpha.16 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-19/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-19/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-09-08" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 77d943d66883472e1539bf3f0edabfb0965f6aed5cbc919dd86155704c5912bf [INFO] running `Command { std: "docker" "start" "-a" "77d943d66883472e1539bf3f0edabfb0965f6aed5cbc919dd86155704c5912bf", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "77d943d66883472e1539bf3f0edabfb0965f6aed5cbc919dd86155704c5912bf", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "77d943d66883472e1539bf3f0edabfb0965f6aed5cbc919dd86155704c5912bf", kill_on_drop: false }` [INFO] [stdout] 77d943d66883472e1539bf3f0edabfb0965f6aed5cbc919dd86155704c5912bf [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-19/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-19/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-09-08" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 97fb366a6fa5ecf31d28068fb3446b224a3adc18d062b0f71a9bbf1ad4d455df [INFO] running `Command { std: "docker" "start" "-a" "97fb366a6fa5ecf31d28068fb3446b224a3adc18d062b0f71a9bbf1ad4d455df", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Compiling syn v0.15.34 [INFO] [stderr] Compiling quote v0.6.12 [INFO] [stderr] Compiling implicit-await-macro v0.1.0 (/opt/rustwide/workdir/implicit-await-macro) [INFO] [stderr] Compiling implicit-await v0.1.0 (/opt/rustwide/workdir/implicit-await) [INFO] [stdout] warning: use of deprecated type alias `std::alloc::LayoutErr`: Name does not follow std convention, use LayoutError [INFO] [stdout] --> implicit-await/src/as_future_core.rs:3:18 [INFO] [stdout] | [INFO] [stdout] 3 | core::alloc::LayoutErr [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(deprecated)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 14.90s [INFO] running `Command { std: "docker" "inspect" "97fb366a6fa5ecf31d28068fb3446b224a3adc18d062b0f71a9bbf1ad4d455df", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "97fb366a6fa5ecf31d28068fb3446b224a3adc18d062b0f71a9bbf1ad4d455df", kill_on_drop: false }` [INFO] [stdout] 97fb366a6fa5ecf31d28068fb3446b224a3adc18d062b0f71a9bbf1ad4d455df [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-19/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-19/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-09-08" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] b95598c8778312a6b0de5370c87b85d641447ddac24cd736c503be221ee52c88 [INFO] running `Command { std: "docker" "start" "-a" "b95598c8778312a6b0de5370c87b85d641447ddac24cd736c503be221ee52c88", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Compiling rand_core v0.4.0 [INFO] [stderr] Compiling autocfg v0.1.2 [INFO] [stderr] Compiling libc v0.2.54 [INFO] [stderr] Compiling futures-core-preview v0.3.0-alpha.16 [INFO] [stderr] Compiling memchr v2.2.0 [INFO] [stderr] Compiling proc-macro-nested v0.1.3 [INFO] [stderr] Compiling pin-utils v0.1.0-alpha.4 [INFO] [stderr] Compiling proc-macro-hack v0.5.7 [INFO] [stderr] Compiling implicit-await-macro v0.1.0 (/opt/rustwide/workdir/implicit-await-macro) [INFO] [stdout] warning: use of deprecated type alias `std::alloc::LayoutErr`: Name does not follow std convention, use LayoutError [INFO] [stdout] --> implicit-await/src/as_future_core.rs:3:18 [INFO] [stdout] | [INFO] [stdout] 3 | core::alloc::LayoutErr [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(deprecated)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Compiling futures-channel-preview v0.3.0-alpha.16 [INFO] [stderr] Compiling futures-io-preview v0.3.0-alpha.16 [INFO] [stderr] Compiling rand_core v0.3.1 [INFO] [stderr] Compiling rand_jitter v0.1.4 [INFO] [stderr] Compiling rand_xorshift v0.1.1 [INFO] [stderr] Compiling rand_hc v0.1.0 [INFO] [stderr] Compiling rand_isaac v0.1.1 [INFO] [stderr] Compiling rand_chacha v0.1.1 [INFO] [stderr] Compiling rand_pcg v0.1.2 [INFO] [stderr] Compiling rand v0.6.5 [INFO] [stderr] Compiling futures-sink-preview v0.3.0-alpha.16 [INFO] [stderr] Compiling rand_os v0.1.3 [INFO] [stderr] Compiling num_cpus v1.10.0 [INFO] [stderr] Compiling futures-select-macro-preview v0.3.0-alpha.16 [INFO] [stderr] Compiling futures-util-preview v0.3.0-alpha.16 [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.16/src/lib.rs:4:38 [INFO] [stdout] | [INFO] [stdout] 4 | #![cfg_attr(feature = "async-await", feature(async_await))] [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^ help: remove the attribute [INFO] [stdout] | [INFO] [stdout] = help: the feature `async_await` has been stable since 1.39.0 and no longer requires an attribute to enable [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 E0554`. [INFO] [stdout] [INFO] [stderr] error: could not compile `futures-util-preview` due to 2 previous errors [INFO] running `Command { std: "docker" "inspect" "b95598c8778312a6b0de5370c87b85d641447ddac24cd736c503be221ee52c88", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "b95598c8778312a6b0de5370c87b85d641447ddac24cd736c503be221ee52c88", kill_on_drop: false }` [INFO] [stdout] b95598c8778312a6b0de5370c87b85d641447ddac24cd736c503be221ee52c88