[INFO] fetching crate hawkbit 0.3.0...
[INFO] building hawkbit-0.3.0 against master#881c1ac408d93bb7adaa3a51dabab9266e82eee8 for issue-85264
[INFO] extracting crate hawkbit 0.3.0 into /workspace/builds/worker-8/source
[INFO] validating manifest of crates.io crate hawkbit 0.3.0 on toolchain 881c1ac408d93bb7adaa3a51dabab9266e82eee8
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+881c1ac408d93bb7adaa3a51dabab9266e82eee8" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate hawkbit 0.3.0
[INFO] finished tweaking crates.io crate hawkbit 0.3.0
[INFO] tweaked toml for crates.io crate hawkbit 0.3.0 written to /workspace/builds/worker-8/source/Cargo.toml
[INFO] crate crates.io crate hawkbit 0.3.0 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+881c1ac408d93bb7adaa3a51dabab9266e82eee8" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded tokio v1.1.1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+881c1ac408d93bb7adaa3a51dabab9266e82eee8" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] d8c546be154c5f5842fd7fee4e08e265028a2c1dee047e01b2a4c6e94c95deb0
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "d8c546be154c5f5842fd7fee4e08e265028a2c1dee047e01b2a4c6e94c95deb0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "d8c546be154c5f5842fd7fee4e08e265028a2c1dee047e01b2a4c6e94c95deb0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d8c546be154c5f5842fd7fee4e08e265028a2c1dee047e01b2a4c6e94c95deb0", kill_on_drop: false }`
[INFO] [stdout] d8c546be154c5f5842fd7fee4e08e265028a2c1dee047e01b2a4c6e94c95deb0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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" "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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+881c1ac408d93bb7adaa3a51dabab9266e82eee8" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 6bb850795cf7a6ca47fe7c0bbf94ecbf389084a5230688e97ffa42c0250615cd
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "6bb850795cf7a6ca47fe7c0bbf94ecbf389084a5230688e97ffa42c0250615cd", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v1.0.60
[INFO] [stderr]    Compiling libc v0.2.85
[INFO] [stderr]    Compiling memchr v2.3.4
[INFO] [stderr]    Compiling pin-project-lite v0.2.4
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[INFO] [stderr]    Compiling futures-core v0.3.12
[INFO] [stderr]    Compiling bytes v1.0.1
[INFO] [stderr]    Compiling futures-sink v0.3.12
[INFO] [stderr]    Compiling itoa v0.4.7
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[INFO] [stderr]    Compiling slab v0.4.2
[INFO] [stderr]    Compiling pin-utils v0.1.0
[INFO] [stderr]    Compiling openssl v0.10.32
[INFO] [stderr]    Compiling fnv v1.0.7
[INFO] [stderr]    Compiling foreign-types-shared v0.1.1
[INFO] [stderr]    Compiling native-tls v0.2.7
[INFO] [stderr]    Compiling openssl-probe v0.1.2
[INFO] [stderr]    Compiling try-lock v0.2.3
[INFO] [stderr]    Compiling serde_json v1.0.61
[INFO] [stderr]    Compiling httpdate v0.3.2
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[INFO] [stderr]    Compiling mime v0.3.16
[INFO] [stderr]    Compiling ipnet v2.3.0
[INFO] [stderr]    Compiling tokio v1.1.1
[INFO] [stderr]    Compiling tracing-core v0.1.17
[INFO] [stderr]    Compiling indexmap v1.6.1
[INFO] [stderr]    Compiling futures-task v0.3.12
[INFO] [stderr]    Compiling tinyvec v1.1.1
[INFO] [stderr]    Compiling foreign-types v0.3.2
[INFO] [stderr]    Compiling futures-channel v0.3.12
[INFO] [stderr]    Compiling encoding_rs v0.8.26
[INFO] [stderr]    Compiling quote v1.0.8
[INFO] [stderr]    Compiling want v0.3.0
[INFO] [stderr]    Compiling http v0.2.3
[INFO] [stderr]    Compiling tracing v0.1.22
[INFO] [stderr]    Compiling openssl-sys v0.9.60
[INFO] [stderr]    Compiling mio v0.7.7
[INFO] [stderr]    Compiling socket2 v0.3.19
[INFO] [stderr]    Compiling unicode-normalization v0.1.16
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[INFO] [stderr]    Compiling url v2.2.0
[INFO] [stderr]    Compiling http-body v0.4.0
[INFO] [stderr]    Compiling tokio-util v0.6.3
[INFO] [stderr]    Compiling tokio-native-tls v0.3.0
[INFO] [stderr]    Compiling futures-macro v0.3.12
[INFO] [stderr]    Compiling pin-project-internal v0.4.27
[INFO] [stderr]    Compiling pin-project-internal v1.0.4
[INFO] [stderr]    Compiling serde_derive v1.0.123
[INFO] [stderr]    Compiling strum_macros v0.20.1
[INFO] [stderr]    Compiling thiserror-impl v1.0.23
[INFO] [stderr]    Compiling futures-util v0.3.12
[INFO] [stderr]    Compiling thiserror v1.0.23
[INFO] [stderr]    Compiling pin-project v1.0.4
[INFO] [stderr]    Compiling strum v0.20.0
[INFO] [stderr]    Compiling pin-project v0.4.27
[INFO] [stderr]    Compiling tracing-futures v0.2.4
[INFO] [stderr]    Compiling h2 v0.3.0
[INFO] [stderr]    Compiling futures-executor v0.3.12
[INFO] [stderr]    Compiling futures v0.3.12
[INFO] [stderr]    Compiling serde v1.0.123
[INFO] [stderr]    Compiling hyper v0.14.2
[INFO] [stderr]    Compiling serde_urlencoded v0.7.0
[INFO] [stderr]    Compiling hyper-tls v0.5.0
[INFO] [stderr]    Compiling reqwest v0.11.0
[INFO] [stderr]    Compiling hawkbit v0.3.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2m 00s
[INFO] running `Command { std: "docker" "inspect" "6bb850795cf7a6ca47fe7c0bbf94ecbf389084a5230688e97ffa42c0250615cd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6bb850795cf7a6ca47fe7c0bbf94ecbf389084a5230688e97ffa42c0250615cd", kill_on_drop: false }`
[INFO] [stdout] 6bb850795cf7a6ca47fe7c0bbf94ecbf389084a5230688e97ffa42c0250615cd
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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" "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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+881c1ac408d93bb7adaa3a51dabab9266e82eee8" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 3e17beddc45f6a559d4682837244692fea8cdbded719a957f79c1150c872dda9
[INFO] running `Command { std: "docker" "start" "-a" "3e17beddc45f6a559d4682837244692fea8cdbded719a957f79c1150c872dda9", kill_on_drop: false }`
[INFO] [stderr]    Compiling anyhow v1.0.38
[INFO] [stderr]    Compiling regex-syntax v0.6.22
[INFO] [stderr]    Compiling remove_dir_all v0.5.3
[INFO] [stderr]    Compiling assert_matches v1.4.0
[INFO] [stderr]    Compiling thread_local v1.1.2
[INFO] [stderr]    Compiling atty v0.2.14
[INFO] [stderr]    Compiling aho-corasick v0.7.15
[INFO] [stderr]    Compiling rand v0.4.6
[INFO] [stderr]    Compiling proc-macro-error-attr v1.0.4
[INFO] [stderr]    Compiling clap v2.33.3
[INFO] [stderr]    Compiling proc-macro-error v1.0.4
[INFO] [stderr]    Compiling structopt-derive v0.4.14
[INFO] [stderr]    Compiling tempdir v0.3.7
[INFO] [stderr]    Compiling regex v1.4.3
[INFO] [stderr]    Compiling structopt v0.3.21
[INFO] [stderr]    Compiling env_logger v0.8.2
[INFO] [stderr]    Compiling hawkbit v0.3.0 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared crate or module `hawkbit_mock`
[INFO] [stdout]   --> tests/tests.rs:15:5
[INFO] [stdout]    |
[INFO] [stdout] 15 | use hawkbit_mock::ddi::{Deployment, DeploymentBuilder, Server, ServerBuilder, Target};
[INFO] [stdout]    |     ^^^^^^^^^^^^ use of undeclared crate or module `hawkbit_mock`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: could not find `test` in `tokio`
[INFO] [stdout]   --> tests/tests.rs:35:10
[INFO] [stdout]    |
[INFO] [stdout] 35 | #[tokio::test]
[INFO] [stdout]    |          ^^^^ could not find `test` in `tokio`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: could not find `test` in `tokio`
[INFO] [stdout]   --> tests/tests.rs:54:10
[INFO] [stdout]    |
[INFO] [stdout] 54 | #[tokio::test]
[INFO] [stdout]    |          ^^^^ could not find `test` in `tokio`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: could not find `test` in `tokio`
[INFO] [stdout]    --> tests/tests.rs:133:10
[INFO] [stdout]     |
[INFO] [stdout] 133 | #[tokio::test]
[INFO] [stdout]     |          ^^^^ could not find `test` in `tokio`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: could not find `test` in `tokio`
[INFO] [stdout]    --> tests/tests.rs:187:10
[INFO] [stdout]     |
[INFO] [stdout] 187 | #[tokio::test]
[INFO] [stdout]     |          ^^^^ could not find `test` in `tokio`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: could not find `test` in `tokio`
[INFO] [stdout]    --> tests/tests.rs:247:10
[INFO] [stdout]     |
[INFO] [stdout] 247 | #[tokio::test]
[INFO] [stdout]     |          ^^^^ could not find `test` in `tokio`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: could not find `test` in `tokio`
[INFO] [stdout]    --> tests/tests.rs:286:10
[INFO] [stdout]     |
[INFO] [stdout] 286 | #[tokio::test]
[INFO] [stdout]     |          ^^^^ could not find `test` in `tokio`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: could not find `main` in `tokio`
[INFO] [stdout]   --> examples/polling.rs:28:10
[INFO] [stdout]    |
[INFO] [stdout] 28 | #[tokio::main]
[INFO] [stdout]    |          ^^^^ could not find `main` in `tokio`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared type `ServerBuilder`
[INFO] [stdout]   --> tests/tests.rs:39:18
[INFO] [stdout]    |
[INFO] [stdout] 39 |     let server = ServerBuilder::default().tenant("my-tenant").build();
[INFO] [stdout]    |                  ^^^^^^^^^^^^^ use of undeclared type `ServerBuilder`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared type `ServerBuilder`
[INFO] [stdout]   --> tests/tests.rs:58:18
[INFO] [stdout]    |
[INFO] [stdout] 58 |     let server = ServerBuilder::default().build();
[INFO] [stdout]    |                  ^^^^^^^^^^^^^ use of undeclared type `ServerBuilder`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared type `DeploymentBuilder`
[INFO] [stdout]    --> tests/tests.rs:127:5
[INFO] [stdout]     |
[INFO] [stdout] 127 |     DeploymentBuilder::new("10", Type::Forced, Type::Attempt)
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^ use of undeclared type `DeploymentBuilder`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared type `ServerBuilder`
[INFO] [stdout]    --> tests/tests.rs:137:18
[INFO] [stdout]     |
[INFO] [stdout] 137 |     let server = ServerBuilder::default().build();
[INFO] [stdout]     |                  ^^^^^^^^^^^^^ use of undeclared type `ServerBuilder`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared type `ServerBuilder`
[INFO] [stdout]    --> tests/tests.rs:191:18
[INFO] [stdout]     |
[INFO] [stdout] 191 |     let server = ServerBuilder::default().build();
[INFO] [stdout]     |                  ^^^^^^^^^^^^^ use of undeclared type `ServerBuilder`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared type `ServerBuilder`
[INFO] [stdout]    --> tests/tests.rs:251:18
[INFO] [stdout]     |
[INFO] [stdout] 251 |     let server = ServerBuilder::default().build();
[INFO] [stdout]     |                  ^^^^^^^^^^^^^ use of undeclared type `ServerBuilder`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared type `ServerBuilder`
[INFO] [stdout]    --> tests/tests.rs:290:18
[INFO] [stdout]     |
[INFO] [stdout] 290 |     let server = ServerBuilder::default().build();
[INFO] [stdout]     |                  ^^^^^^^^^^^^^ use of undeclared type `ServerBuilder`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0412]: cannot find type `Server` in this scope
[INFO] [stdout]   --> tests/tests.rs:21:24
[INFO] [stdout]    |
[INFO] [stdout] 21 | fn add_target(server: &Server, name: &str) -> (Client, Target) {
[INFO] [stdout]    |                        ^^^^^^ not found in this scope
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0412]: cannot find type `Target` in this scope
[INFO] [stdout]   --> tests/tests.rs:21:56
[INFO] [stdout]    |
[INFO] [stdout] 21 | fn add_target(server: &Server, name: &str) -> (Client, Target) {
[INFO] [stdout]    |                                                        ^^^^^^ not found in this scope
[INFO] [stdout]    |
[INFO] [stdout] help: consider importing this enum
[INFO] [stdout]    |
[INFO] [stdout] 4  | use env_logger::Target;
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0412]: cannot find type `Deployment` in this scope
[INFO] [stdout]    --> tests/tests.rs:113:45
[INFO] [stdout]     |
[INFO] [stdout] 113 | fn get_deployment(valid_checksums: bool) -> Deployment {
[INFO] [stdout]     |                                             ^^^^^^^^^^ not found in this scope
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0698]: type inside `async fn` body must be known in this context
[INFO] [stdout]   --> tests/tests.rs:45:14
[INFO] [stdout]    |
[INFO] [stdout] 45 |     for i in 0..2 {
[INFO] [stdout]    |              ^ cannot infer type for type `{integer}`
[INFO] [stdout]    |
[INFO] [stdout] note: the type is part of the `async fn` body because of this `await`
[INFO] [stdout]   --> tests/tests.rs:46:21
[INFO] [stdout]    |
[INFO] [stdout] 46 |         let reply = client.poll().await.expect("poll failed");
[INFO] [stdout]    |                     ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0698]: type inside `async fn` body must be known in this context
[INFO] [stdout]   --> tests/tests.rs:45:17
[INFO] [stdout]    |
[INFO] [stdout] 45 |     for i in 0..2 {
[INFO] [stdout]    |                 ^ cannot infer type for type `{integer}`
[INFO] [stdout]    |
[INFO] [stdout] note: the type is part of the `async fn` body because of this `await`
[INFO] [stdout]   --> tests/tests.rs:46:21
[INFO] [stdout]    |
[INFO] [stdout] 46 |         let reply = client.poll().await.expect("poll failed");
[INFO] [stdout]    |                     ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0698]: type inside `async fn` body must be known in this context
[INFO] [stdout]   --> tests/tests.rs:45:14
[INFO] [stdout]    |
[INFO] [stdout] 45 |     for i in 0..2 {
[INFO] [stdout]    |              ^^^^ cannot infer type for type `{integer}`
[INFO] [stdout]    |
[INFO] [stdout] note: the type is part of the `async fn` body because of this `await`
[INFO] [stdout]   --> tests/tests.rs:46:21
[INFO] [stdout]    |
[INFO] [stdout] 46 |         let reply = client.poll().await.expect("poll failed");
[INFO] [stdout]    |                     ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0698]: type inside `async fn` body must be known in this context
[INFO] [stdout]   --> tests/tests.rs:45:14
[INFO] [stdout]    |
[INFO] [stdout] 45 |     for i in 0..2 {
[INFO] [stdout]    |              ^^^^ cannot infer type for type `{integer}`
[INFO] [stdout]    |
[INFO] [stdout] note: the type is part of the `async fn` body because of this `await`
[INFO] [stdout]   --> tests/tests.rs:46:21
[INFO] [stdout]    |
[INFO] [stdout] 46 |         let reply = client.poll().await.expect("poll failed");
[INFO] [stdout]    |                     ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0698]: type inside `async fn` body must be known in this context
[INFO] [stdout]   --> tests/tests.rs:45:9
[INFO] [stdout]    |
[INFO] [stdout] 45 |     for i in 0..2 {
[INFO] [stdout]    |         ^ cannot infer type for type `{integer}`
[INFO] [stdout]    |
[INFO] [stdout] note: the type is part of the `async fn` body because of this `await`
[INFO] [stdout]   --> tests/tests.rs:46:21
[INFO] [stdout]    |
[INFO] [stdout] 46 |         let reply = client.poll().await.expect("poll failed");
[INFO] [stdout]    |                     ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0752]: `main` function is not allowed to be `async`
[INFO] [stdout]   --> examples/polling.rs:29:1
[INFO] [stdout]    |
[INFO] [stdout] 29 | async fn main() -> Result<()> {
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ `main` function is not allowed to be `async`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 2 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0433, E0752.
[INFO] [stdout] 
[INFO] [stdout] For more information about an error, try `rustc --explain E0433`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `hawkbit`
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] error: aborting due to 22 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0412, E0433, E0698.
[INFO] [stdout] 
[INFO] [stdout] For more information about an error, try `rustc --explain E0412`.
[INFO] [stdout] 
[INFO] [stderr] error: build failed
[INFO] running `Command { std: "docker" "inspect" "3e17beddc45f6a559d4682837244692fea8cdbded719a957f79c1150c872dda9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3e17beddc45f6a559d4682837244692fea8cdbded719a957f79c1150c872dda9", kill_on_drop: false }`
[INFO] [stdout] 3e17beddc45f6a559d4682837244692fea8cdbded719a957f79c1150c872dda9
