[INFO] fetching crate integra8_scheduling 0.0.4-alpha...
[INFO] testing integra8_scheduling-0.0.4-alpha against 1.60.0 for beta-1.61-1
[INFO] extracting crate integra8_scheduling 0.0.4-alpha into /workspace/builds/worker-79/source
[INFO] validating manifest of crates.io crate integra8_scheduling 0.0.4-alpha on toolchain 1.60.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.60.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate integra8_scheduling 0.0.4-alpha
[INFO] finished tweaking crates.io crate integra8_scheduling 0.0.4-alpha
[INFO] tweaked toml for crates.io crate integra8_scheduling 0.0.4-alpha written to /workspace/builds/worker-79/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.60.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.60.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-79/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-79/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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+1.60.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 3a9de78fe364c554e593b0bee9e00622055727fc7e5c2fb58ae8cd6a21c54589
[INFO] running `Command { std: "docker" "start" "-a" "3a9de78fe364c554e593b0bee9e00622055727fc7e5c2fb58ae8cd6a21c54589", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "3a9de78fe364c554e593b0bee9e00622055727fc7e5c2fb58ae8cd6a21c54589", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3a9de78fe364c554e593b0bee9e00622055727fc7e5c2fb58ae8cd6a21c54589", kill_on_drop: false }`
[INFO] [stdout] 3a9de78fe364c554e593b0bee9e00622055727fc7e5c2fb58ae8cd6a21c54589
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-79/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-79/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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+1.60.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] a866cb15ce444214575b7b455da1daf0344ff3b5502050aa0bc7a9061a854205
[INFO] running `Command { std: "docker" "start" "-a" "a866cb15ce444214575b7b455da1daf0344ff3b5502050aa0bc7a9061a854205", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling syn v1.0.91
[INFO] [stderr]    Compiling futures-core v0.3.21
[INFO] [stderr]    Compiling futures-task v0.3.21
[INFO] [stderr]    Compiling futures-channel v0.3.21
[INFO] [stderr]    Compiling futures-sink v0.3.21
[INFO] [stderr]    Compiling futures-util v0.3.21
[INFO] [stderr]    Compiling integra8_async_runtime v0.0.4-alpha
[INFO] [stderr]    Compiling indexmap v1.8.1
[INFO] [stderr]    Compiling futures-macro v0.3.21
[INFO] [stderr]    Compiling serde_derive v1.0.136
[INFO] [stderr]    Compiling serde v1.0.136
[INFO] [stderr]    Compiling futures-executor v0.3.21
[INFO] [stderr]    Compiling futures v0.3.21
[INFO] [stderr]    Compiling serde_json v1.0.79
[INFO] [stderr]    Compiling integra8_components v0.0.4-alpha
[INFO] [stderr]    Compiling integra8_scheduling v0.0.4-alpha (/opt/rustwide/workdir)
[INFO] [stdout] error[E0277]: `Result<(), std::sync::mpsc::SendError<TaskCompleteEvent>>` is not a future
[INFO] [stdout]   --> src/scheduler.rs:54:65
[INFO] [stdout]    |
[INFO] [stdout] 54 |                 let _ = ctx.tx.send(TaskCompleteEvent(ctx.path)).await;
[INFO] [stdout]    |                                                                 ^^^^^^ `Result<(), std::sync::mpsc::SendError<TaskCompleteEvent>>` is not a future
[INFO] [stdout]    |
[INFO] [stdout]    = help: the trait `futures::Future` is not implemented for `Result<(), std::sync::mpsc::SendError<TaskCompleteEvent>>`
[INFO] [stdout]    = note: Result<(), std::sync::mpsc::SendError<TaskCompleteEvent>> must be a future or must implement `IntoFuture` to be awaited
[INFO] [stdout]    = note: required because of the requirements on the impl of `std::future::IntoFuture` for `Result<(), std::sync::mpsc::SendError<TaskCompleteEvent>>`
[INFO] [stdout] help: remove the `.await`
[INFO] [stdout]    |
[INFO] [stdout] 54 -                 let _ = ctx.tx.send(TaskCompleteEvent(ctx.path)).await;
[INFO] [stdout] 54 +                 let _ = ctx.tx.send(TaskCompleteEvent(ctx.path));
[INFO] [stdout]    | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0061]: this function takes 0 arguments but 1 argument was supplied
[INFO] [stdout]    --> src/scheduler.rs:34:24
[INFO] [stdout]     |
[INFO] [stdout] 34  |         let (tx, rx) = channel::<TaskCompleteEvent>(actual_max_concurrency);
[INFO] [stdout]     |                        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^ ---------------------- supplied 1 argument
[INFO] [stdout]     |                        |
[INFO] [stdout]     |                        expected 0 arguments
[INFO] [stdout]     |
[INFO] [stdout] note: function defined here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 2 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0061, E0277.
[INFO] [stdout] 
[INFO] [stdout] For more information about an error, try `rustc --explain E0061`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `integra8_scheduling` due to 3 previous errors
[INFO] running `Command { std: "docker" "inspect" "a866cb15ce444214575b7b455da1daf0344ff3b5502050aa0bc7a9061a854205", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a866cb15ce444214575b7b455da1daf0344ff3b5502050aa0bc7a9061a854205", kill_on_drop: false }`
[INFO] [stdout] a866cb15ce444214575b7b455da1daf0344ff3b5502050aa0bc7a9061a854205