[INFO] fetching crate flv-future-aio 1.1.0...
[INFO] testing flv-future-aio-1.1.0 against 1.75.0 for beta-1.76-1
[INFO] extracting crate flv-future-aio 1.1.0 into /workspace/builds/worker-3-tc1/source
[INFO] validating manifest of crates.io crate flv-future-aio 1.1.0 on toolchain 1.75.0
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.75.0" "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-3-tc1/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.75.0" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.75.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded futures_codec v0.3.4
[INFO] [stderr]   Downloaded async-test-derive v1.0.0
[INFO] [stderr]   Downloaded pin-project-internal v0.4.30
[INFO] [stderr]   Downloaded pin-project v0.4.30
[INFO] [stderr]   Downloaded nix v0.16.1
[INFO] [stderr]   Downloaded flv-util v0.1.1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+1.75.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 5f6f5e329005c1ec8c9b01dd0e779446ae1f823a63b505ac7c72e8c2525bc02e
[INFO] running `Command { std: "docker" "start" "-a" "5f6f5e329005c1ec8c9b01dd0e779446ae1f823a63b505ac7c72e8c2525bc02e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "5f6f5e329005c1ec8c9b01dd0e779446ae1f823a63b505ac7c72e8c2525bc02e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5f6f5e329005c1ec8c9b01dd0e779446ae1f823a63b505ac7c72e8c2525bc02e", kill_on_drop: false }`
[INFO] [stdout] 5f6f5e329005c1ec8c9b01dd0e779446ae1f823a63b505ac7c72e8c2525bc02e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+1.75.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] b601cc8a0f29d8e6d6d5ed9880ff86f8ea3c09c4489b1db827cc2df39eae06f8
[INFO] running `Command { std: "docker" "start" "-a" "b601cc8a0f29d8e6d6d5ed9880ff86f8ea3c09c4489b1db827cc2df39eae06f8", kill_on_drop: false }`
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[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] help: consider importing one of these items instead
[INFO] [stdout]    |
[INFO] [stdout] 21 |     pub use async_std::channel::Receiver;
[INFO] [stdout]    |             ~~~~~~~~~~~~~~~~~~~~~~~~~~~~
[INFO] [stdout] 21 |     pub use core::ops::Receiver;
[INFO] [stdout]    |             ~~~~~~~~~~~~~~~~~~~
[INFO] [stdout] 21 |     pub use crate::sync::broadcast::Receiver;
[INFO] [stdout]    |             ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
[INFO] [stdout] 21 |     pub use pin_utils::core_reexport::ops::Receiver;
[INFO] [stdout]    |             ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
[INFO] [stdout]      and 6 other candidates
[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] help: consider importing one of these items instead
[INFO] [stdout]    |
[INFO] [stdout] 22 |     pub use async_std::channel::Sender;
[INFO] [stdout]    |             ~~~~~~~~~~~~~~~~~~~~~~~~~~
[INFO] [stdout] 22 |     pub use crate::sync::broadcast::Sender;
[INFO] [stdout]    |             ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
[INFO] [stdout] 22 |     pub use std::sync::mpsc::Sender;
[INFO] [stdout]    |             ~~~~~~~~~~~~~~~~~~~~~~~
[INFO] [stdout] 22 |     pub use tokio::sync::broadcast::Sender;
[INFO] [stdout]    |             ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
[INFO] [stdout]      and 3 other candidates
[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] help: consider importing one of these items instead
[INFO] [stdout]    |
[INFO] [stdout] 23 |     pub use async_std::channel;
[INFO] [stdout]    |             ~~~~~~~~~~~~~~~~~~
[INFO] [stdout] 23 |     pub use futures::channel;
[INFO] [stdout]    |             ~~~~~~~~~~~~~~~~
[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] warning: unused import: `async_std::io::prelude::SeekExt as AsyncSeekExt`
[INFO] [stdout]   --> src/io/mod.rs:20:13
[INFO] [stdout]    |
[INFO] [stdout] 20 |     pub use async_std::io::prelude::SeekExt as AsyncSeekExt;
[INFO] [stdout]    |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 3 previous errors; 3 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` (lib) due to 4 previous errors; 3 warnings emitted
[INFO] running `Command { std: "docker" "inspect" "b601cc8a0f29d8e6d6d5ed9880ff86f8ea3c09c4489b1db827cc2df39eae06f8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b601cc8a0f29d8e6d6d5ed9880ff86f8ea3c09c4489b1db827cc2df39eae06f8", kill_on_drop: false }`
[INFO] [stdout] b601cc8a0f29d8e6d6d5ed9880ff86f8ea3c09c4489b1db827cc2df39eae06f8
