[INFO] fetching crate integra8_scheduling 0.0.4-alpha...
[INFO] testing integra8_scheduling-0.0.4-alpha against 1.75.0 for beta-1.76-1
[INFO] extracting crate integra8_scheduling 0.0.4-alpha into /workspace/builds/worker-3-tc1/source
[INFO] validating manifest of crates.io crate integra8_scheduling 0.0.4-alpha 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 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-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 integra8_async_runtime v0.0.4-alpha
[INFO] [stderr]   Downloaded integra8_components v0.0.4-alpha
[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] 211882ec3c18cc20280b053382018afc4473e23c1cf2a19465a39eec61b59939
[INFO] running `Command { std: "docker" "start" "-a" "211882ec3c18cc20280b053382018afc4473e23c1cf2a19465a39eec61b59939", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "211882ec3c18cc20280b053382018afc4473e23c1cf2a19465a39eec61b59939", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "211882ec3c18cc20280b053382018afc4473e23c1cf2a19465a39eec61b59939", kill_on_drop: false }`
[INFO] [stdout] 211882ec3c18cc20280b053382018afc4473e23c1cf2a19465a39eec61b59939
[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] f83415788a2d53f60659a5fe3698f5e3ff234bd6671586197a13c773160894a4
[INFO] running `Command { std: "docker" "start" "-a" "f83415788a2d53f60659a5fe3698f5e3ff234bd6671586197a13c773160894a4", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.75
[INFO] [stderr]    Compiling unicode-ident v1.0.12
[INFO] [stderr]    Compiling autocfg v1.1.0
[INFO] [stderr]    Compiling serde v1.0.194
[INFO] [stderr]    Compiling futures-sink v0.3.30
[INFO] [stderr]    Compiling futures-core v0.3.30
[INFO] [stderr]    Compiling pin-utils v0.1.0
[INFO] [stderr]    Compiling futures-io v0.3.30
[INFO] [stderr]    Compiling pin-project-lite v0.2.13
[INFO] [stderr]    Compiling futures-task v0.3.30
[INFO] [stderr]    Compiling memchr v2.7.1
[INFO] [stderr]    Compiling libc v0.2.151
[INFO] [stderr]    Compiling serde_json v1.0.111
[INFO] [stderr]    Compiling itoa v1.0.10
[INFO] [stderr]    Compiling ryu v1.0.16
[INFO] [stderr]    Compiling hashbrown v0.12.3
[INFO] [stderr]    Compiling integra8_async_runtime v0.0.4-alpha
[INFO] [stderr]    Compiling futures-channel v0.3.30
[INFO] [stderr]    Compiling slab v0.4.9
[INFO] [stderr]    Compiling indexmap v1.9.3
[INFO] [stderr]    Compiling quote v1.0.35
[INFO] [stderr]    Compiling syn v2.0.48
[INFO] [stderr]    Compiling num_cpus v1.16.0
[INFO] [stderr]    Compiling serde_derive v1.0.194
[INFO] [stderr]    Compiling futures-macro v0.3.30
[INFO] [stderr]    Compiling futures-util v0.3.30
[INFO] [stderr]    Compiling futures-executor v0.3.30
[INFO] [stderr]    Compiling futures v0.3.30
[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:54:66
[INFO] [stdout]    |
[INFO] [stdout] 54 |                 let _ = ctx.tx.send(TaskCompleteEvent(ctx.path)).await;
[INFO] [stdout]    |                                                                 -^^^^^
[INFO] [stdout]    |                                                                 ||
[INFO] [stdout]    |                                                                 |`Result<(), std::sync::mpsc::SendError<TaskCompleteEvent>>` is not a future
[INFO] [stdout]    |                                                                 help: remove the `.await`
[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 for `Result<(), std::sync::mpsc::SendError<TaskCompleteEvent>>` to implement `std::future::IntoFuture`
[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]    |                        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^ ----------------------
[INFO] [stdout]    |                                                     |
[INFO] [stdout]    |                                                     unexpected argument of type `usize`
[INFO] [stdout]    |                                                     help: remove the extra argument
[INFO] [stdout]    |
[INFO] [stdout] note: function defined here
[INFO] [stdout]   --> /rustc/82e1608dfa6e0b5569232559e3d385fea5a93112/library/std/src/sync/mpsc/mod.rs:525:8
[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` (lib) due to 3 previous errors
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] running `Command { std: "docker" "inspect" "f83415788a2d53f60659a5fe3698f5e3ff234bd6671586197a13c773160894a4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f83415788a2d53f60659a5fe3698f5e3ff234bd6671586197a13c773160894a4", kill_on_drop: false }`
[INFO] [stdout] f83415788a2d53f60659a5fe3698f5e3ff234bd6671586197a13c773160894a4
[INFO] testing integra8_scheduling-0.0.4-alpha against beta-2023-12-22 for beta-1.76-1
[INFO] extracting crate integra8_scheduling 0.0.4-alpha into /workspace/builds/worker-3-tc2/source
[INFO] validating manifest of crates.io crate integra8_scheduling 0.0.4-alpha on toolchain beta-2023-12-22
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2023-12-22" "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-3-tc2/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2023-12-22" "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" "+beta-2023-12-22" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/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" "+beta-2023-12-22" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 9d8e4f12973e9821114847d38ca18fd777a732d9f65798afa877711f59251c5e
[INFO] running `Command { std: "docker" "start" "-a" "9d8e4f12973e9821114847d38ca18fd777a732d9f65798afa877711f59251c5e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "9d8e4f12973e9821114847d38ca18fd777a732d9f65798afa877711f59251c5e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9d8e4f12973e9821114847d38ca18fd777a732d9f65798afa877711f59251c5e", kill_on_drop: false }`
[INFO] [stdout] 9d8e4f12973e9821114847d38ca18fd777a732d9f65798afa877711f59251c5e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/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" "+beta-2023-12-22" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 213df1e5ac81d835185286945e8456b6b0c2cfe940aa45b492111177ad186207
[INFO] running `Command { std: "docker" "start" "-a" "213df1e5ac81d835185286945e8456b6b0c2cfe940aa45b492111177ad186207", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.75
[INFO] [stderr]    Compiling unicode-ident v1.0.12
[INFO] [stderr]    Compiling autocfg v1.1.0
[INFO] [stderr]    Compiling futures-sink v0.3.30
[INFO] [stderr]    Compiling serde v1.0.194
[INFO] [stderr]    Compiling futures-core v0.3.30
[INFO] [stderr]    Compiling pin-project-lite v0.2.13
[INFO] [stderr]    Compiling pin-utils v0.1.0
[INFO] [stderr]    Compiling memchr v2.7.1
[INFO] [stderr]    Compiling futures-task v0.3.30
[INFO] [stderr]    Compiling futures-io v0.3.30
[INFO] [stderr]    Compiling libc v0.2.151
[INFO] [stderr]    Compiling serde_json v1.0.111
[INFO] [stderr]    Compiling itoa v1.0.10
[INFO] [stderr]    Compiling ryu v1.0.16
[INFO] [stderr]    Compiling hashbrown v0.12.3
[INFO] [stderr]    Compiling integra8_async_runtime v0.0.4-alpha
[INFO] [stderr]    Compiling futures-channel v0.3.30
[INFO] [stderr]    Compiling slab v0.4.9
[INFO] [stderr]    Compiling indexmap v1.9.3
[INFO] [stderr]    Compiling quote v1.0.35
[INFO] [stderr]    Compiling syn v2.0.48
[INFO] [stderr]    Compiling num_cpus v1.16.0
[INFO] [stderr]    Compiling futures-macro v0.3.30
[INFO] [stderr]    Compiling serde_derive v1.0.194
[INFO] [stderr]    Compiling futures-util v0.3.30
[INFO] [stderr]    Compiling futures-executor v0.3.30
[INFO] [stderr]    Compiling futures v0.3.30
[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:54:66
[INFO] [stdout]    |
[INFO] [stdout] 54 |                 let _ = ctx.tx.send(TaskCompleteEvent(ctx.path)).await;
[INFO] [stdout]    |                                                                 -^^^^^
[INFO] [stdout]    |                                                                 ||
[INFO] [stdout]    |                                                                 |`Result<(), std::sync::mpsc::SendError<TaskCompleteEvent>>` is not a future
[INFO] [stdout]    |                                                                 help: remove the `.await`
[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 for `Result<(), std::sync::mpsc::SendError<TaskCompleteEvent>>` to implement `std::future::IntoFuture`
[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]    |                        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^ ----------------------
[INFO] [stdout]    |                                                     |
[INFO] [stdout]    |                                                     unexpected argument of type `usize`
[INFO] [stdout]    |                                                     help: remove the extra argument
[INFO] [stdout]    |
[INFO] [stdout] note: function defined here
[INFO] [stdout]   --> /rustc/0e09125c6c3c2fd70d7de961bcf0e51575235fad/library/std/src/sync/mpsc/mod.rs:525:8
[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` (lib) due to 3 previous errors
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] running `Command { std: "docker" "inspect" "213df1e5ac81d835185286945e8456b6b0c2cfe940aa45b492111177ad186207", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "213df1e5ac81d835185286945e8456b6b0c2cfe940aa45b492111177ad186207", kill_on_drop: false }`
[INFO] [stdout] 213df1e5ac81d835185286945e8456b6b0c2cfe940aa45b492111177ad186207
