[INFO] fetching crate integra8_scheduling 0.0.4-alpha...
[INFO] checking integra8_scheduling-0.0.4-alpha against master#82310651b93a594a3fd69015e1562186a080d94c for pr-145770
[INFO] extracting crate integra8_scheduling 0.0.4-alpha into /workspace/builds/worker-6-tc1/source
[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-6-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate integra8_scheduling 0.0.4-alpha on toolchain 82310651b93a594a3fd69015e1562186a080d94c
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+82310651b93a594a3fd69015e1562186a080d94c" "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" "+82310651b93a594a3fd69015e1562186a080d94c" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 102 packages to latest compatible versions
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+82310651b93a594a3fd69015e1562186a080d94c" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded integra8_components v0.0.4-alpha
[INFO] [stderr]   Downloaded integra8_async_runtime v0.0.4-alpha
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+82310651b93a594a3fd69015e1562186a080d94c" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 9b312f4d37aa75999726ea27711b0e3e5b9ceda087e7569d7e6e9b16cba542b8
[INFO] running `Command { std: "docker" "start" "-a" "9b312f4d37aa75999726ea27711b0e3e5b9ceda087e7569d7e6e9b16cba542b8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "9b312f4d37aa75999726ea27711b0e3e5b9ceda087e7569d7e6e9b16cba542b8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9b312f4d37aa75999726ea27711b0e3e5b9ceda087e7569d7e6e9b16cba542b8", kill_on_drop: false }`
[INFO] [stdout] 9b312f4d37aa75999726ea27711b0e3e5b9ceda087e7569d7e6e9b16cba542b8
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+82310651b93a594a3fd69015e1562186a080d94c" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 3278a62182a8b65d6430587482bf7984f21329147bdc907429efe668186055ee
[INFO] running `Command { std: "docker" "start" "-a" "3278a62182a8b65d6430587482bf7984f21329147bdc907429efe668186055ee", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.101
[INFO] [stderr]    Compiling unicode-ident v1.0.18
[INFO] [stderr]     Checking memchr v2.7.5
[INFO] [stderr]    Compiling serde v1.0.219
[INFO] [stderr]     Checking futures-sink v0.3.31
[INFO] [stderr]     Checking futures-core v0.3.31
[INFO] [stderr]    Compiling autocfg v1.5.0
[INFO] [stderr]     Checking pin-utils v0.1.0
[INFO] [stderr]     Checking futures-io v0.3.31
[INFO] [stderr]     Checking slab v0.4.11
[INFO] [stderr]     Checking futures-task v0.3.31
[INFO] [stderr]     Checking pin-project-lite v0.2.16
[INFO] [stderr]    Compiling libc v0.2.175
[INFO] [stderr]    Compiling serde_json v1.0.143
[INFO] [stderr]     Checking itoa v1.0.15
[INFO] [stderr]     Checking ryu v1.0.20
[INFO] [stderr]     Checking hashbrown v0.12.3
[INFO] [stderr]     Checking integra8_async_runtime v0.0.4-alpha
[INFO] [stderr]     Checking futures-channel v0.3.31
[INFO] [stderr]    Compiling indexmap v1.9.3
[INFO] [stderr]    Compiling quote v1.0.40
[INFO] [stderr]    Compiling syn v2.0.106
[INFO] [stderr]     Checking num_cpus v1.17.0
[INFO] [stderr]    Compiling serde_derive v1.0.219
[INFO] [stderr]    Compiling futures-macro v0.3.31
[INFO] [stderr]     Checking futures-util v0.3.31
[INFO] [stderr]     Checking futures-executor v0.3.31
[INFO] [stderr]     Checking futures v0.3.31
[INFO] [stderr]     Checking integra8_components v0.0.4-alpha
[INFO] [stderr]     Checking integra8_scheduling v0.0.4-alpha (/opt/rustwide/workdir)
[INFO] [stdout] error[E0277]: `Result<(), std::sync::mpmc::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]    |                                                                  ^^^^^ `Result<(), std::sync::mpmc::SendError<TaskCompleteEvent>>` is not a future
[INFO] [stdout]    |
[INFO] [stdout]    = help: the trait `futures::Future` is not implemented for `Result<(), std::sync::mpmc::SendError<TaskCompleteEvent>>`
[INFO] [stdout]    = note: Result<(), std::sync::mpmc::SendError<TaskCompleteEvent>> must be a future or must implement `IntoFuture` to be awaited
[INFO] [stdout]    = note: required for `Result<(), std::sync::mpmc::SendError<TaskCompleteEvent>>` to implement `std::future::IntoFuture`
[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]    |                        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^ ---------------------- unexpected argument of type `usize`
[INFO] [stdout]    |
[INFO] [stdout] note: function defined here
[INFO] [stdout]   --> /rustc/82310651b93a594a3fd69015e1562186a080d94c/library/std/src/sync/mpsc.rs:519:8
[INFO] [stdout] help: remove the extra argument
[INFO] [stdout]    |
[INFO] [stdout] 34 -         let (tx, rx) = channel::<TaskCompleteEvent>(actual_max_concurrency);
[INFO] [stdout] 34 +         let (tx, rx) = channel::<TaskCompleteEvent>();
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0277]: `Result<(), std::sync::mpmc::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]    |                                                                  ^^^^^ `Result<(), std::sync::mpmc::SendError<TaskCompleteEvent>>` is not a future
[INFO] [stdout]    |
[INFO] [stdout]    = help: the trait `futures::Future` is not implemented for `Result<(), std::sync::mpmc::SendError<TaskCompleteEvent>>`
[INFO] [stdout]    = note: Result<(), std::sync::mpmc::SendError<TaskCompleteEvent>> must be a future or must implement `IntoFuture` to be awaited
[INFO] [stdout]    = note: required for `Result<(), std::sync::mpmc::SendError<TaskCompleteEvent>>` to implement `std::future::IntoFuture`
[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] 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 2 previous errors
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[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]    |                        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^ ---------------------- unexpected argument of type `usize`
[INFO] [stdout]    |
[INFO] [stdout] note: function defined here
[INFO] [stdout]   --> /rustc/82310651b93a594a3fd69015e1562186a080d94c/library/std/src/sync/mpsc.rs:519:8
[INFO] [stdout] help: remove the extra argument
[INFO] [stdout]    |
[INFO] [stdout] 34 -         let (tx, rx) = channel::<TaskCompleteEvent>(actual_max_concurrency);
[INFO] [stdout] 34 +         let (tx, rx) = channel::<TaskCompleteEvent>();
[INFO] [stdout]    |
[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 test) due to 2 previous errors
[INFO] running `Command { std: "docker" "inspect" "3278a62182a8b65d6430587482bf7984f21329147bdc907429efe668186055ee", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3278a62182a8b65d6430587482bf7984f21329147bdc907429efe668186055ee", kill_on_drop: false }`
[INFO] [stdout] 3278a62182a8b65d6430587482bf7984f21329147bdc907429efe668186055ee
