[INFO] fetching crate esp-hal-procmacros 0.7.0...
[INFO] testing esp-hal-procmacros-0.7.0 against 1.75.0 for beta-1.76-1
[INFO] extracting crate esp-hal-procmacros 0.7.0 into /workspace/builds/worker-4-tc1/source
[INFO] validating manifest of crates.io crate esp-hal-procmacros 0.7.0 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 esp-hal-procmacros 0.7.0
[INFO] finished tweaking crates.io crate esp-hal-procmacros 0.7.0
[INFO] tweaked toml for crates.io crate esp-hal-procmacros 0.7.0 written to /workspace/builds/worker-4-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 ruzstd v0.5.0
[INFO] [stderr]   Downloaded litrs v0.4.1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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] 5541f853dd3e96de10856c054e5b3464db40db124de030b19f087bcdd41b8117
[INFO] running `Command { std: "docker" "start" "-a" "5541f853dd3e96de10856c054e5b3464db40db124de030b19f087bcdd41b8117", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "5541f853dd3e96de10856c054e5b3464db40db124de030b19f087bcdd41b8117", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5541f853dd3e96de10856c054e5b3464db40db124de030b19f087bcdd41b8117", kill_on_drop: false }`
[INFO] [stdout] 5541f853dd3e96de10856c054e5b3464db40db124de030b19f087bcdd41b8117
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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] b30b30ef91f4b9fdaeb0a12e631dcda7ddd047b28fb506d038abc29133aae218
[INFO] running `Command { std: "docker" "start" "-a" "b30b30ef91f4b9fdaeb0a12e631dcda7ddd047b28fb506d038abc29133aae218", kill_on_drop: false }`
[INFO] [stderr]    Compiling equivalent v1.0.1
[INFO] [stderr]    Compiling strsim v0.10.0
[INFO] [stderr]    Compiling ident_case v1.0.1
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]    Compiling hashbrown v0.14.3
[INFO] [stderr]    Compiling fnv v1.0.7
[INFO] [stderr]    Compiling winnow v0.5.32
[INFO] [stderr]    Compiling toml_datetime v0.6.3
[INFO] [stderr]    Compiling proc-macro-error-attr v1.0.4
[INFO] [stderr]    Compiling proc-macro-error v1.0.4
[INFO] [stderr]    Compiling litrs v0.4.1
[INFO] [stderr]    Compiling syn v2.0.48
[INFO] [stderr]    Compiling indexmap v2.1.0
[INFO] [stderr]    Compiling toml_edit v0.20.2
[INFO] [stderr]    Compiling darling_core v0.20.3
[INFO] [stderr]    Compiling proc-macro-crate v2.0.1
[INFO] [stderr]    Compiling darling_macro v0.20.3
[INFO] [stderr]    Compiling darling v0.20.3
[INFO] [stderr]    Compiling esp-hal-procmacros v0.7.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `proc_macro::TokenStream`
[INFO] [stdout]   --> src/lib.rs:78:5
[INFO] [stdout]    |
[INFO] [stdout] 78 | use proc_macro::TokenStream;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `proc_macro_crate::FoundCrate`
[INFO] [stdout]   --> src/lib.rs:79:5
[INFO] [stdout]    |
[INFO] [stdout] 79 | use proc_macro_crate::FoundCrate;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `proc_macro_error::proc_macro_error`
[INFO] [stdout]   --> src/lib.rs:80:5
[INFO] [stdout]    |
[INFO] [stdout] 80 | use proc_macro_error::proc_macro_error;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `quote::quote`
[INFO] [stdout]   --> src/lib.rs:81:5
[INFO] [stdout]    |
[INFO] [stdout] 81 | use quote::quote;
[INFO] [stdout]    |     ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `syn::parse_macro_input`
[INFO] [stdout]   --> src/lib.rs:82:5
[INFO] [stdout]    |
[INFO] [stdout] 82 | use syn::parse_macro_input;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 5 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 4.73s
[INFO] running `Command { std: "docker" "inspect" "b30b30ef91f4b9fdaeb0a12e631dcda7ddd047b28fb506d038abc29133aae218", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b30b30ef91f4b9fdaeb0a12e631dcda7ddd047b28fb506d038abc29133aae218", kill_on_drop: false }`
[INFO] [stdout] b30b30ef91f4b9fdaeb0a12e631dcda7ddd047b28fb506d038abc29133aae218
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] f6c3f1ab789bda63fff1718b2f0c8a13e47b30344ed32495d26d15cebaf59e9d
[INFO] running `Command { std: "docker" "start" "-a" "f6c3f1ab789bda63fff1718b2f0c8a13e47b30344ed32495d26d15cebaf59e9d", kill_on_drop: false }`
[INFO] [stderr]    Compiling esp-hal-procmacros v0.7.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `proc_macro::TokenStream`
[INFO] [stdout]   --> src/lib.rs:78:5
[INFO] [stdout]    |
[INFO] [stdout] 78 | use proc_macro::TokenStream;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `proc_macro::TokenStream`
[INFO] [stdout]   --> src/lib.rs:78:5
[INFO] [stdout]    |
[INFO] [stdout] 78 | use proc_macro::TokenStream;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `proc_macro_crate::FoundCrate`
[INFO] [stdout]   --> src/lib.rs:79:5
[INFO] [stdout]    |
[INFO] [stdout] 79 | use proc_macro_crate::FoundCrate;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `proc_macro_error::proc_macro_error`
[INFO] [stdout]   --> src/lib.rs:80:5
[INFO] [stdout]    |
[INFO] [stdout] 80 | use proc_macro_error::proc_macro_error;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `proc_macro_crate::FoundCrate`
[INFO] [stdout]   --> src/lib.rs:79:5
[INFO] [stdout]    |
[INFO] [stdout] 79 | use proc_macro_crate::FoundCrate;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `quote::quote`
[INFO] [stdout]   --> src/lib.rs:81:5
[INFO] [stdout]    |
[INFO] [stdout] 81 | use quote::quote;
[INFO] [stdout]    |     ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `proc_macro_error::proc_macro_error`
[INFO] [stdout]   --> src/lib.rs:80:5
[INFO] [stdout]    |
[INFO] [stdout] 80 | use proc_macro_error::proc_macro_error;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `quote::quote`
[INFO] [stdout]   --> src/lib.rs:81:5
[INFO] [stdout]    |
[INFO] [stdout] 81 | use quote::quote;
[INFO] [stdout]    |     ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `syn::parse_macro_input`
[INFO] [stdout]   --> src/lib.rs:82:5
[INFO] [stdout]    |
[INFO] [stdout] 82 | use syn::parse_macro_input;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `syn::parse_macro_input`
[INFO] [stdout]   --> src/lib.rs:82:5
[INFO] [stdout]    |
[INFO] [stdout] 82 | use syn::parse_macro_input;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 5 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 5 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.19s
[INFO] running `Command { std: "docker" "inspect" "f6c3f1ab789bda63fff1718b2f0c8a13e47b30344ed32495d26d15cebaf59e9d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f6c3f1ab789bda63fff1718b2f0c8a13e47b30344ed32495d26d15cebaf59e9d", kill_on_drop: false }`
[INFO] [stdout] f6c3f1ab789bda63fff1718b2f0c8a13e47b30344ed32495d26d15cebaf59e9d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 357256d3371d428ad59bb6795be3e8cc5f34b745b78cd35eeb846f770f4c36ca
[INFO] running `Command { std: "docker" "start" "-a" "357256d3371d428ad59bb6795be3e8cc5f34b745b78cd35eeb846f770f4c36ca", kill_on_drop: false }`
[INFO] [stderr] warning: unused import: `proc_macro::TokenStream`
[INFO] [stderr]   --> src/lib.rs:78:5
[INFO] [stderr]    |
[INFO] [stderr] 78 | use proc_macro::TokenStream;
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `proc_macro_crate::FoundCrate`
[INFO] [stderr]   --> src/lib.rs:79:5
[INFO] [stderr]    |
[INFO] [stderr] 79 | use proc_macro_crate::FoundCrate;
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `proc_macro_error::proc_macro_error`
[INFO] [stderr]   --> src/lib.rs:80:5
[INFO] [stderr]    |
[INFO] [stderr] 80 | use proc_macro_error::proc_macro_error;
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `quote::quote`
[INFO] [stderr]   --> src/lib.rs:81:5
[INFO] [stderr]    |
[INFO] [stderr] 81 | use quote::quote;
[INFO] [stderr]    |     ^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `syn::parse_macro_input`
[INFO] [stderr]   --> src/lib.rs:82:5
[INFO] [stderr]    |
[INFO] [stderr] 82 | use syn::parse_macro_input;
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: `esp-hal-procmacros` (lib) generated 5 warnings (run `cargo fix --lib -p esp-hal-procmacros` to apply 5 suggestions)
[INFO] [stderr] warning: `esp-hal-procmacros` (lib test) generated 5 warnings (5 duplicates)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.03s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/esp_hal_procmacros-ed7dfaa128025a88)
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests esp-hal-procmacros
[INFO] [stdout] 
[INFO] [stdout] running 3 tests
[INFO] [stdout] test src/lib.rs - (line 63) - compile ... FAILED
[INFO] [stdout] test src/lib.rs - (line 41) - compile ... FAILED
[INFO] [stdout] test src/lib.rs - (line 52) - compile ... FAILED
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout] 
[INFO] [stdout] ---- src/lib.rs - (line 63) stdout ----
[INFO] [stdout] error: cannot find attribute `ram` in this scope
[INFO] [stdout]  --> src/lib.rs:70:3
[INFO] [stdout]   |
[INFO] [stdout] 9 | #[ram(rtc_fast, zeroed)]
[INFO] [stdout]   |   ^^^
[INFO] [stdout] 
[INFO] [stdout] error: cannot find attribute `ram` in this scope
[INFO] [stdout]  --> src/lib.rs:67:3
[INFO] [stdout]   |
[INFO] [stdout] 6 | #[ram(rtc_fast, uninitialized)]
[INFO] [stdout]   |   ^^^
[INFO] [stdout] 
[INFO] [stdout] error: cannot find attribute `ram` in this scope
[INFO] [stdout]  --> src/lib.rs:64:3
[INFO] [stdout]   |
[INFO] [stdout] 3 | #[ram(rtc_fast)]
[INFO] [stdout]   |   ^^^
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 3 previous errors
[INFO] [stdout] 
[INFO] [stdout] Couldn't compile the test.
[INFO] [stdout] ---- src/lib.rs - (line 41) stdout ----
[INFO] [stdout] error: cannot find attribute `interrupt` in this scope
[INFO] [stdout]  --> src/lib.rs:42:3
[INFO] [stdout]   |
[INFO] [stdout] 3 | #[interrupt]
[INFO] [stdout]   |   ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to previous error
[INFO] [stdout] 
[INFO] [stdout] Couldn't compile the test.
[INFO] [stdout] ---- src/lib.rs - (line 52) stdout ----
[INFO] [stdout] error: cannot find attribute `main` in this scope
[INFO] [stdout]  --> src/lib.rs:53:3
[INFO] [stdout]   |
[INFO] [stdout] 2 | #[main]
[INFO] [stdout]   |   ^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `main` is in scope, but it is a function, not an attribute
[INFO] [stdout] 
[INFO] [stdout] error[E0412]: cannot find type `Spawner` in this scope
[INFO] [stdout]  --> src/lib.rs:54:24
[INFO] [stdout]   |
[INFO] [stdout] 3 | async fn main(spawner: Spawner) -> ! {
[INFO] [stdout]   |                        ^^^^^^^ not found in this scope
[INFO] [stdout] 
[INFO] [stdout] error[E0308]: mismatched types
[INFO] [stdout]  --> src/lib.rs:54:38
[INFO] [stdout]   |
[INFO] [stdout] 3 |   async fn main(spawner: Spawner) -> ! {
[INFO] [stdout]   |  ______________________________________^
[INFO] [stdout] 4 | |     // Your application's entry point
[INFO] [stdout] 5 | | }
[INFO] [stdout]   | |_^ expected `!`, found `()`
[INFO] [stdout]   |
[INFO] [stdout]   = note:   expected type `!`
[INFO] [stdout]           found unit type `()`
[INFO] [stdout] 
[INFO] [stdout] error[E0752]: `main` function is not allowed to be `async`
[INFO] [stdout]  --> src/lib.rs:54:1
[INFO] [stdout]   |
[INFO] [stdout] 3 | async fn main(spawner: Spawner) -> ! {
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ `main` function is not allowed to be `async`
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 4 previous errors
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0308, E0412, E0752.
[INFO] [stdout] For more information about an error, try `rustc --explain E0308`.
[INFO] [stdout] Couldn't compile the test.
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout]     src/lib.rs - (line 41)
[INFO] [stdout]     src/lib.rs - (line 52)
[INFO] [stdout]     src/lib.rs - (line 63)
[INFO] [stdout] 
[INFO] [stdout] test result: FAILED. 0 passed; 3 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.16s
[INFO] [stdout] 
[INFO] [stderr] error: doctest failed, to rerun pass `--doc`
[INFO] running `Command { std: "docker" "inspect" "357256d3371d428ad59bb6795be3e8cc5f34b745b78cd35eeb846f770f4c36ca", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "357256d3371d428ad59bb6795be3e8cc5f34b745b78cd35eeb846f770f4c36ca", kill_on_drop: false }`
[INFO] [stdout] 357256d3371d428ad59bb6795be3e8cc5f34b745b78cd35eeb846f770f4c36ca
