[INFO] fetching crate flv-future-aio 1.1.0...
[INFO] testing flv-future-aio-1.1.0 against 1.90.0 for beta-1.91-3
[INFO] extracting crate flv-future-aio 1.1.0 into /workspace/builds/worker-2-tc1/source
[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-2-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate flv-future-aio 1.1.0 on toolchain 1.90.0
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.90.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.90.0" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 112 packages to latest compatible versions
[INFO] [stderr]       Adding bytes v0.5.6 (available: v1.10.1)
[INFO] [stderr]       Adding flv-util v0.1.1 (available: v0.5.2)
[INFO] [stderr]       Adding futures-timer v2.0.2 (available: v3.0.3)
[INFO] [stderr]       Adding futures_codec v0.3.4 (available: v0.4.1)
[INFO] [stderr]       Adding nix v0.16.1 (available: v0.30.1)
[INFO] [stderr]       Adding tokio v0.2.25 (available: v1.47.1)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.90.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded futures-timer v2.0.2
[INFO] [stderr]   Downloaded async-test-derive v1.0.0
[INFO] [stderr]   Downloaded flv-util v0.1.1
[INFO] [stderr]   Downloaded futures_codec v0.3.4
[INFO] [stderr]   Downloaded env_logger v0.6.2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+1.90.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 1bd740a61620142c80cb099c4da7bdc798b68126e29990120ee920fa56a0c085
[INFO] running `Command { std: "docker" "start" "-a" "1bd740a61620142c80cb099c4da7bdc798b68126e29990120ee920fa56a0c085", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "1bd740a61620142c80cb099c4da7bdc798b68126e29990120ee920fa56a0c085", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1bd740a61620142c80cb099c4da7bdc798b68126e29990120ee920fa56a0c085", kill_on_drop: false }`
[INFO] [stdout] 1bd740a61620142c80cb099c4da7bdc798b68126e29990120ee920fa56a0c085
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+1.90.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 8a523786a38f0d5342e16eb71a74315115c0235b97326a81444161b2e2f1f0dd
[INFO] running `Command { std: "docker" "start" "-a" "8a523786a38f0d5342e16eb71a74315115c0235b97326a81444161b2e2f1f0dd", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.176
[INFO] [stderr]    Compiling rustix v1.1.2
[INFO] [stderr]    Compiling linux-raw-sys v0.11.0
[INFO] [stderr]    Compiling futures-lite v2.6.1
[INFO] [stderr]    Compiling async-io v2.6.0
[INFO] [stderr]    Compiling value-bag v1.11.1
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]    Compiling futures-channel v0.3.31
[INFO] [stderr]    Compiling pin-project-internal v0.4.30
[INFO] [stderr]    Compiling event-listener v5.4.1
[INFO] [stderr]    Compiling syn v2.0.106
[INFO] [stderr]    Compiling nix v0.16.1
[INFO] [stderr]    Compiling async-channel v1.9.0
[INFO] [stderr]    Compiling tokio v0.2.25
[INFO] [stderr]    Compiling futures-timer v2.0.2
[INFO] [stderr]    Compiling log v0.4.28
[INFO] [stderr]    Compiling kv-log-macro v1.0.7
[INFO] [stderr]    Compiling event-listener-strategy v0.5.4
[INFO] [stderr]    Compiling async-channel v2.5.0
[INFO] [stderr]    Compiling async-lock v3.4.1
[INFO] [stderr]    Compiling blocking v1.6.2
[INFO] [stderr]    Compiling async-executor v1.13.3
[INFO] [stderr]    Compiling signal-hook-registry v1.4.6
[INFO] [stderr]    Compiling atty v0.2.14
[INFO] [stderr]    Compiling memmap v0.7.0
[INFO] [stderr]    Compiling env_logger v0.6.2
[INFO] [stderr]    Compiling flv-util v0.1.1
[INFO] [stderr]    Compiling pin-project v0.4.30
[INFO] [stderr]    Compiling futures-macro v0.3.31
[INFO] [stderr]    Compiling async-trait v0.1.89
[INFO] [stderr]    Compiling futures-util v0.3.31
[INFO] [stderr]    Compiling polling v3.11.0
[INFO] [stderr]    Compiling async-signal v0.2.13
[INFO] [stderr]    Compiling async-global-executor v2.4.1
[INFO] [stderr]    Compiling async-process v2.5.0
[INFO] [stderr]    Compiling async-std v1.13.2
[INFO] [stderr]    Compiling futures-executor v0.3.31
[INFO] [stderr]    Compiling futures v0.3.31
[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] help: consider importing one of these items instead
[INFO] [stdout]    |
[INFO] [stdout] 21 -     pub use async_std::sync::Receiver;
[INFO] [stdout] 21 +     pub use crate::sync::broadcast::Receiver;
[INFO] [stdout]    |
[INFO] [stdout] 21 -     pub use async_std::sync::Receiver;
[INFO] [stdout] 21 +     pub use std::ops::Receiver;
[INFO] [stdout]    |
[INFO] [stdout] 21 -     pub use async_std::sync::Receiver;
[INFO] [stdout] 21 +     pub use std::sync::mpmc::Receiver;
[INFO] [stdout]    |
[INFO] [stdout] 21 -     pub use async_std::sync::Receiver;
[INFO] [stdout] 21 +     pub use std::sync::mpsc::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 structs instead
[INFO] [stdout]    |
[INFO] [stdout] 22 -     pub use async_std::sync::Sender;
[INFO] [stdout] 22 +     pub use crate::sync::broadcast::Sender;
[INFO] [stdout]    |
[INFO] [stdout] 22 -     pub use async_std::sync::Sender;
[INFO] [stdout] 22 +     pub use std::sync::mpmc::Sender;
[INFO] [stdout]    |
[INFO] [stdout] 22 -     pub use async_std::sync::Sender;
[INFO] [stdout] 22 +     pub use std::sync::mpsc::Sender;
[INFO] [stdout]    |
[INFO] [stdout] 22 -     pub use async_std::sync::Sender;
[INFO] [stdout] 22 +     pub use async_std::channel::Sender;
[INFO] [stdout]    |
[INFO] [stdout]    = and 4 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::sync::channel;
[INFO] [stdout] 23 +     pub use async_std::channel;
[INFO] [stdout]    |
[INFO] [stdout] 23 -     pub use async_std::sync::channel;
[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] For more information about this error, try `rustc --explain E0432`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `flv-future-aio` (lib) due to 3 previous errors; 3 warnings emitted
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] running `Command { std: "docker" "inspect" "8a523786a38f0d5342e16eb71a74315115c0235b97326a81444161b2e2f1f0dd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8a523786a38f0d5342e16eb71a74315115c0235b97326a81444161b2e2f1f0dd", kill_on_drop: false }`
[INFO] [stdout] 8a523786a38f0d5342e16eb71a74315115c0235b97326a81444161b2e2f1f0dd
