[INFO] fetching crate async-stream 0.3.2...
[INFO] testing async-stream-0.3.2 against beta-2021-09-08 for beta-1.56-1
[INFO] extracting crate async-stream 0.3.2 into /workspace/builds/worker-7/source
[INFO] validating manifest of crates.io crate async-stream 0.3.2 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 crates.io crate async-stream 0.3.2
[INFO] finished tweaking crates.io crate async-stream 0.3.2
[INFO] tweaked toml for crates.io crate async-stream 0.3.2 written to /workspace/builds/worker-7/source/Cargo.toml
[INFO] crate crates.io crate async-stream 0.3.2 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] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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] 79981abc4b902b2eb165cca7f9d9624ee5e4b08f6d90bc5fb4445053b9d734cc
[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" "79981abc4b902b2eb165cca7f9d9624ee5e4b08f6d90bc5fb4445053b9d734cc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "79981abc4b902b2eb165cca7f9d9624ee5e4b08f6d90bc5fb4445053b9d734cc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "79981abc4b902b2eb165cca7f9d9624ee5e4b08f6d90bc5fb4445053b9d734cc", kill_on_drop: false }`
[INFO] [stdout] 79981abc4b902b2eb165cca7f9d9624ee5e4b08f6d90bc5fb4445053b9d734cc
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 72d79514262e779debedff83a4d59fa0a7447ffffd07e9e01a6baf560e9b07c1
[INFO] running `Command { std: "docker" "start" "-a" "72d79514262e779debedff83a4d59fa0a7447ffffd07e9e01a6baf560e9b07c1", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v1.0.72
[INFO] [stderr]    Compiling async-stream-impl v0.3.2
[INFO] [stderr]    Compiling async-stream v0.3.2 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 10.73s
[INFO] running `Command { std: "docker" "inspect" "72d79514262e779debedff83a4d59fa0a7447ffffd07e9e01a6baf560e9b07c1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "72d79514262e779debedff83a4d59fa0a7447ffffd07e9e01a6baf560e9b07c1", kill_on_drop: false }`
[INFO] [stdout] 72d79514262e779debedff83a4d59fa0a7447ffffd07e9e01a6baf560e9b07c1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 1570eb7d50e39e6419c6ec8315d7a79b7aa5aee9d0169cc469da5f32a1a98980
[INFO] running `Command { std: "docker" "start" "-a" "1570eb7d50e39e6419c6ec8315d7a79b7aa5aee9d0169cc469da5f32a1a98980", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.94
[INFO] [stderr]    Compiling trybuild v1.0.42
[INFO] [stderr]    Compiling itoa v0.4.7
[INFO] [stderr]    Compiling instant v0.1.9
[INFO] [stderr]    Compiling tokio v1.6.0
[INFO] [stderr]    Compiling futures-util v0.3.15
[INFO] [stderr]    Compiling serde_derive v1.0.126
[INFO] [stderr]    Compiling tokio-macros v1.2.0
[INFO] [stderr]    Compiling futures-macro v0.3.15
[INFO] [stderr]    Compiling async-stream v0.3.0
[INFO] [stdout] error[E0432]: unresolved imports `async_stream_impl::stream`, `async_stream_impl::try_stream`
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/async-stream-0.3.0/src/lib.rs:171:29
[INFO] [stdout]     |
[INFO] [stdout] 171 | pub use async_stream_impl::{stream, try_stream};
[INFO] [stdout]     |                             ^^^^^^  ^^^^^^^^^^ no `try_stream` in the root
[INFO] [stdout]     |                             |
[INFO] [stdout]     |                             no `stream` in the root
[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 E0432`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `async-stream` due to 2 previous errors
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: build failed
[INFO] running `Command { std: "docker" "inspect" "1570eb7d50e39e6419c6ec8315d7a79b7aa5aee9d0169cc469da5f32a1a98980", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1570eb7d50e39e6419c6ec8315d7a79b7aa5aee9d0169cc469da5f32a1a98980", kill_on_drop: false }`
[INFO] [stdout] 1570eb7d50e39e6419c6ec8315d7a79b7aa5aee9d0169cc469da5f32a1a98980