[INFO] fetching crate act-zero 0.4.0...
[INFO] checking act-zero-0.4.0 against 1.55.0 for beta-1.56-3
[INFO] extracting crate act-zero 0.4.0 into /workspace/builds/worker-76/source
[INFO] validating manifest of crates.io crate act-zero 0.4.0 on toolchain 1.55.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate act-zero 0.4.0
[INFO] removed 5 missing examples
[INFO] finished tweaking crates.io crate act-zero 0.4.0
[INFO] tweaked toml for crates.io crate act-zero 0.4.0 written to /workspace/builds/worker-76/source/Cargo.toml
[INFO] crate crates.io crate act-zero 0.4.0 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "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] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded futures-macro v0.3.10
[INFO] [stderr]   Downloaded futures-channel v0.3.10
[INFO] [stderr]   Downloaded futures-io v0.3.10
[INFO] [stderr]   Downloaded futures-sink v0.3.10
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[INFO] [stderr]   Downloaded futures-util v0.3.10
[INFO] [stderr]   Downloaded futures-core v0.3.10
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-76/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-76/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] cf4a3483c83f62bb7ad22dc6c78ea6c5d3d873d22650d3004351eab2ede32a77
[INFO] running `Command { std: "docker" "start" "-a" "cf4a3483c83f62bb7ad22dc6c78ea6c5d3d873d22650d3004351eab2ede32a77", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "cf4a3483c83f62bb7ad22dc6c78ea6c5d3d873d22650d3004351eab2ede32a77", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "cf4a3483c83f62bb7ad22dc6c78ea6c5d3d873d22650d3004351eab2ede32a77", kill_on_drop: false }`
[INFO] [stdout] cf4a3483c83f62bb7ad22dc6c78ea6c5d3d873d22650d3004351eab2ede32a77
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-76/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-76/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 0742d4a624e7efbc961d7167d64906a7bd1bc5e2d8b26e6ed8482e93232a715f
[INFO] running `Command { std: "docker" "start" "-a" "0742d4a624e7efbc961d7167d64906a7bd1bc5e2d8b26e6ed8482e93232a715f", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.24
[INFO] [stderr]    Compiling unicode-xid v0.2.1
[INFO] [stderr]    Compiling memchr v2.3.4
[INFO] [stderr]    Compiling syn v1.0.58
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[INFO] [stderr]    Compiling async-trait v0.1.42
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[INFO] [stderr]     Checking act-zero v0.4.0 (/opt/rustwide/workdir)
[INFO] [stdout] error: The default runtime flavor is `multi_thread`, but the `rt-multi-thread` feature is disabled.
[INFO] [stdout]   --> examples/using_tokio/main.rs:16:1
[INFO] [stdout]    |
[INFO] [stdout] 16 | #[tokio::main]
[INFO] [stdout]    | ^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this error originates in the attribute macro `tokio::main` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0432]: unresolved import `act_zero::runtimes::async_std`
[INFO] [stdout]  --> examples/using_async_std/main.rs:3:25
[INFO] [stdout]   |
[INFO] [stdout] 3 | use act_zero::runtimes::async_std::spawn_actor;
[INFO] [stdout]   |                         ^^^^^^^^^ could not find `async_std` in `runtimes`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0432]: unresolved import `act_zero::runtimes::tokio`
[INFO] [stdout]  --> examples/using_tokio/main.rs:3:25
[INFO] [stdout]   |
[INFO] [stdout] 3 | use act_zero::runtimes::tokio::spawn_actor;
[INFO] [stdout]   |                         ^^^^^ could not find `tokio` in `runtimes`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: The default runtime flavor is `multi_thread`, but the `rt-multi-thread` feature is disabled.
[INFO] [stdout]   --> examples/using_timers/main.rs:63:1
[INFO] [stdout]    |
[INFO] [stdout] 63 | #[tokio::main]
[INFO] [stdout]    | ^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this error originates in the attribute macro `tokio::main` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0601]: `main` function not found in crate `using_tokio`
[INFO] [stdout]   --> examples/using_tokio/main.rs:1:1
[INFO] [stdout]    |
[INFO] [stdout] 1  | / //! This example shows how you can use the Tokio runtime with act-zero.
[INFO] [stdout] 2  | |
[INFO] [stdout] 3  | | use act_zero::runtimes::tokio::spawn_actor;
[INFO] [stdout] 4  | | use act_zero::*;
[INFO] [stdout] ...  |
[INFO] [stdout] 20 | |     Ok(())
[INFO] [stdout] 21 | | }
[INFO] [stdout]    | |_^ consider adding a `main` function to `examples/using_tokio/main.rs`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0432]: unresolved import `act_zero::runtimes::tokio`
[INFO] [stdout]   --> examples/using_timers/main.rs:10:25
[INFO] [stdout]    |
[INFO] [stdout] 10 | use act_zero::runtimes::tokio::{spawn_actor, Timer};
[INFO] [stdout]    |                         ^^^^^ could not find `tokio` in `runtimes`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 3 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0432, E0601.
[INFO] [stdout] 
[INFO] [stdout] For more information about an error, try `rustc --explain E0432`.
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `tokio::task::spawn_blocking`
[INFO] [stdout]   --> examples/using_timers/main.rs:14:5
[INFO] [stdout]    |
[INFO] [stdout] 14 | use tokio::task::spawn_blocking;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0601]: `main` function not found in crate `using_timers`
[INFO] [stdout]   --> examples/using_timers/main.rs:1:1
[INFO] [stdout]    |
[INFO] [stdout] 1  | / //! This example shows how you can use timers. For this example
[INFO] [stdout] 2  | | //! we're using the Tokio runtime, but any runtime implementing
[INFO] [stdout] 3  | | //! `SupportsTimers` can be used.
[INFO] [stdout] 4  | | //!
[INFO] [stdout] ...  |
[INFO] [stdout] 76 | |     .await?
[INFO] [stdout] 77 | | }
[INFO] [stdout]    | |_^ consider adding a `main` function to `examples/using_timers/main.rs`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `act-zero` due to 4 previous errors
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] error[E0283]: type annotations needed
[INFO] [stdout]    --> examples/using_timers/main.rs:20:5
[INFO] [stdout]     |
[INFO] [stdout] 17  | #[derive(Default)]
[INFO] [stdout]     |          ------- in this derive macro expansion
[INFO] [stdout] ...
[INFO] [stdout] 20  |     timer: Timer,
[INFO] [stdout]     |     ^^^^^^^^^^^^ cannot infer type
[INFO] [stdout]     |
[INFO] [stdout]     = note: cannot satisfy `_: Default`
[INFO] [stdout] note: required by `std::default::Default::default`
[INFO] [stdout]     = note: this error originates in the derive macro `Default` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 4 previous errors; 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0283, E0432, E0601.
[INFO] [stdout] 
[INFO] [stdout] For more information about an error, try `rustc --explain E0283`.
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to previous error
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0432`.
[INFO] [stdout] 
[INFO] [stderr] error: build failed
[INFO] running `Command { std: "docker" "inspect" "0742d4a624e7efbc961d7167d64906a7bd1bc5e2d8b26e6ed8482e93232a715f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0742d4a624e7efbc961d7167d64906a7bd1bc5e2d8b26e6ed8482e93232a715f", kill_on_drop: false }`
[INFO] [stdout] 0742d4a624e7efbc961d7167d64906a7bd1bc5e2d8b26e6ed8482e93232a715f
