[INFO] fetching crate async_closure 0.1.2...
[INFO] testing async_closure-0.1.2 against 1.69.0 for beta-1.70-1
[INFO] extracting crate async_closure 0.1.2 into /workspace/builds/worker-5-tc1/source
[INFO] validating manifest of crates.io crate async_closure 0.1.2 on toolchain 1.69.0
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.69.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate async_closure 0.1.2
[INFO] finished tweaking crates.io crate async_closure 0.1.2
[INFO] tweaked toml for crates.io crate async_closure 0.1.2 written to /workspace/builds/worker-5-tc1/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" __CARGO_TEST_CHANNEL_OVERRIDE_DO_NOT_USE_THIS="nightly" "/workspace/cargo-home/bin/cargo" "+1.69.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.69.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded pollster v0.3.0
[INFO] [stderr]   Downloaded pollster-macro v0.1.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/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@sha256:5ff2268d62e97bff2cde7d5815dd6ed5b47097566f13b8d0ca110b04b60e07ed" "/opt/rustwide/cargo-home/bin/cargo" "+1.69.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 00f6dde1aaa1d9ea8b22a762da797a0b5f890024629e9bb968c9fc059d1f62e6
[INFO] running `Command { std: "docker" "start" "-a" "00f6dde1aaa1d9ea8b22a762da797a0b5f890024629e9bb968c9fc059d1f62e6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "00f6dde1aaa1d9ea8b22a762da797a0b5f890024629e9bb968c9fc059d1f62e6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "00f6dde1aaa1d9ea8b22a762da797a0b5f890024629e9bb968c9fc059d1f62e6", kill_on_drop: false }`
[INFO] [stdout] 00f6dde1aaa1d9ea8b22a762da797a0b5f890024629e9bb968c9fc059d1f62e6
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/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" "RUSTDOCFLAGS=--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@sha256:5ff2268d62e97bff2cde7d5815dd6ed5b47097566f13b8d0ca110b04b60e07ed" "/opt/rustwide/cargo-home/bin/cargo" "+1.69.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 6ad395bc4cd0ea810cbfd6beeb21af0e7002e5a0e8e970be0e31b524f7bcfc9b
[INFO] running `Command { std: "docker" "start" "-a" "6ad395bc4cd0ea810cbfd6beeb21af0e7002e5a0e8e970be0e31b524f7bcfc9b", kill_on_drop: false }`
[INFO] [stderr]    Compiling async_closure v0.1.2 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the stable release channel
[INFO] [stdout]  --> src/lib.rs:2:1
[INFO] [stdout]   |
[INFO] [stdout] 2 | #![feature(async_fn_in_trait)]
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[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 `async_closure` due to 2 previous errors
[INFO] running `Command { std: "docker" "inspect" "6ad395bc4cd0ea810cbfd6beeb21af0e7002e5a0e8e970be0e31b524f7bcfc9b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6ad395bc4cd0ea810cbfd6beeb21af0e7002e5a0e8e970be0e31b524f7bcfc9b", kill_on_drop: false }`
[INFO] [stdout] 6ad395bc4cd0ea810cbfd6beeb21af0e7002e5a0e8e970be0e31b524f7bcfc9b
