[INFO] fetching crate flv-future-aio 1.1.0...
[INFO] testing flv-future-aio-1.1.0 against beta-2021-08-01 for beta-1.55-1
[INFO] extracting crate flv-future-aio 1.1.0 into /workspace/builds/worker-5/source
[INFO] validating manifest of crates.io crate flv-future-aio 1.1.0 on toolchain beta-2021-08-01
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-08-01" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate flv-future-aio 1.1.0
[INFO] finished tweaking crates.io crate flv-future-aio 1.1.0
[INFO] tweaked toml for crates.io crate flv-future-aio 1.1.0 written to /workspace/builds/worker-5/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-08-01" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-08-01" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded flv-util v0.1.1
[INFO] [stderr]   Downloaded async-test-derive v1.0.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-08-01" "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] 853a2a2a0d0dd9c0fa022ed6564b132de45113755a5e23f11fa15d38238fb6d1
[INFO] running `Command { std: "docker" "start" "-a" "853a2a2a0d0dd9c0fa022ed6564b132de45113755a5e23f11fa15d38238fb6d1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "853a2a2a0d0dd9c0fa022ed6564b132de45113755a5e23f11fa15d38238fb6d1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "853a2a2a0d0dd9c0fa022ed6564b132de45113755a5e23f11fa15d38238fb6d1", kill_on_drop: false }`
[INFO] [stdout] 853a2a2a0d0dd9c0fa022ed6564b132de45113755a5e23f11fa15d38238fb6d1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-08-01" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 844d70a8292627a7042f28a20461f6849679a94eefa00087d0f02a1f91c26a7a
[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" "844d70a8292627a7042f28a20461f6849679a94eefa00087d0f02a1f91c26a7a", kill_on_drop: false }`
[INFO] [stderr]    Compiling nix v0.16.1
[INFO] [stderr]    Compiling futures-timer v2.0.2
[INFO] [stderr]    Compiling tokio v0.2.25
[INFO] [stderr]    Compiling socket2 v0.4.1
[INFO] [stderr]    Compiling futures-channel v0.3.16
[INFO] [stderr]    Compiling signal-hook-registry v1.4.0
[INFO] [stderr]    Compiling atty v0.2.14
[INFO] [stderr]    Compiling time v0.1.44
[INFO] [stderr]    Compiling memmap v0.7.0
[INFO] [stderr]    Compiling ctor v0.1.20
[INFO] [stderr]    Compiling signal-hook v0.3.9
[INFO] [stderr]    Compiling futures-util v0.3.16
[INFO] [stderr]    Compiling chrono v0.4.19
[INFO] [stderr]    Compiling value-bag v1.0.0-alpha.7
[INFO] [stderr]    Compiling log v0.4.14
[INFO] [stderr]    Compiling polling v2.1.0
[INFO] [stderr]    Compiling env_logger v0.6.2
[INFO] [stderr]    Compiling kv-log-macro v1.0.7
[INFO] [stderr]    Compiling async-io v1.6.0
[INFO] [stderr]    Compiling flv-util v0.1.1
[INFO] [stderr]    Compiling async-process v1.1.0
[INFO] [stderr]    Compiling async-global-executor v2.0.2
[INFO] [stderr]    Compiling async-std v1.9.0
[INFO] [stderr]    Compiling futures-executor v0.3.16
[INFO] [stderr]    Compiling futures v0.3.16
[INFO] [stderr]    Compiling futures_codec v0.3.4
[INFO] [stderr]    Compiling flv-future-aio v1.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0432]: unresolved import `async_std::sync::Receiver`
[INFO] [stdout]   --> src/sync/mod.rs:21:13
[INFO] [stdout]    |
[INFO] [stdout] 21 |     pub use async_std::sync::Receiver;
[INFO] [stdout]    |             ^^^^^^^^^^^^^^^^^^^^^^^^^ no `Receiver` in `sync`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0432]: unresolved import `async_std::sync::Sender`
[INFO] [stdout]   --> src/sync/mod.rs:22:13
[INFO] [stdout]    |
[INFO] [stdout] 22 |     pub use async_std::sync::Sender;
[INFO] [stdout]    |             ^^^^^^^^^^^^^^^^^^^^^^^ no `Sender` in `sync`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0432]: unresolved import `async_std::sync::channel`
[INFO] [stdout]   --> src/sync/mod.rs:23:13
[INFO] [stdout]    |
[INFO] [stdout] 23 |     pub use async_std::sync::channel;
[INFO] [stdout]    |             ^^^^^^^^^^^^^^^^^^^^^^^^ no `channel` in `sync`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `futures::Stream`
[INFO] [stdout]  --> src/sync/broadcast.rs:4:5
[INFO] [stdout]   |
[INFO] [stdout] 4 | use futures::Stream;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `futures::stream::empty`
[INFO] [stdout]  --> src/sync/broadcast.rs:5:5
[INFO] [stdout]   |
[INFO] [stdout] 5 | use futures::stream::empty;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 3 previous errors; 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0432`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `flv-future-aio` due to 4 previous errors; 2 warnings emitted
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: build failed
[INFO] running `Command { std: "docker" "inspect" "844d70a8292627a7042f28a20461f6849679a94eefa00087d0f02a1f91c26a7a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "844d70a8292627a7042f28a20461f6849679a94eefa00087d0f02a1f91c26a7a", kill_on_drop: false }`
[INFO] [stdout] 844d70a8292627a7042f28a20461f6849679a94eefa00087d0f02a1f91c26a7a
