[INFO] fetching crate gcp-sa 0.1.2...
[INFO] testing gcp-sa-0.1.2 against master#733b47ea4b1b86216f14ef56e49440c33933f230+rustflags=-Copt-level=3 for pr-138759
[INFO] extracting crate gcp-sa 0.1.2 into /workspace/builds/worker-3-tc2/source
[INFO] started tweaking crates.io crate gcp-sa 0.1.2
[INFO] finished tweaking crates.io crate gcp-sa 0.1.2
[INFO] tweaked toml for crates.io crate gcp-sa 0.1.2 written to /workspace/builds/worker-3-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate gcp-sa 0.1.2 on toolchain 733b47ea4b1b86216f14ef56e49440c33933f230
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+733b47ea4b1b86216f14ef56e49440c33933f230" "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" "+733b47ea4b1b86216f14ef56e49440c33933f230" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 169 packages to latest compatible versions
[INFO] [stderr]       Adding reqwest v0.11.27 (available: v0.12.24)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+733b47ea4b1b86216f14ef56e49440c33933f230" "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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+733b47ea4b1b86216f14ef56e49440c33933f230" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] ea53dc4888c35a0047c6e36c9f181af8345aec0e431f7f97c4fb63a67b02c8fa
[INFO] running `Command { std: "docker" "start" "-a" "ea53dc4888c35a0047c6e36c9f181af8345aec0e431f7f97c4fb63a67b02c8fa", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "ea53dc4888c35a0047c6e36c9f181af8345aec0e431f7f97c4fb63a67b02c8fa", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ea53dc4888c35a0047c6e36c9f181af8345aec0e431f7f97c4fb63a67b02c8fa", kill_on_drop: false }`
[INFO] [stdout] ea53dc4888c35a0047c6e36c9f181af8345aec0e431f7f97c4fb63a67b02c8fa
[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=forbid -Copt-level=3" "-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+733b47ea4b1b86216f14ef56e49440c33933f230" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 744c8eb3071ef3b63cb593c808aab9e2090eb1e3199de733d5e7117e9698c059
[INFO] running `Command { std: "docker" "start" "-a" "744c8eb3071ef3b63cb593c808aab9e2090eb1e3199de733d5e7117e9698c059", kill_on_drop: false }`
[INFO] [stderr]    Compiling futures-util v0.3.31
[INFO] [stderr]    Compiling frank_jwt v3.1.4
[INFO] [stderr]    Compiling h2 v0.3.27
[INFO] [stderr]    Compiling hyper v0.14.32
[INFO] [stderr]    Compiling hyper-tls v0.5.0
[INFO] [stderr]    Compiling reqwest v0.11.27
[INFO] [stderr]    Compiling gcp-sa v0.1.2 (/opt/rustwide/workdir)
[INFO] [stdout] warning: multiple fields are never read
[INFO] [stdout]   --> src/lib.rs:42:5
[INFO] [stdout]    |
[INFO] [stdout] 41 | struct ServiceAccountKey {
[INFO] [stdout]    |        ----------------- fields in this struct
[INFO] [stdout] 42 |     r#type: ServiceAccountKeyType,
[INFO] [stdout]    |     ^^^^^^
[INFO] [stdout] 43 |     project_id: String,
[INFO] [stdout]    |     ^^^^^^^^^^
[INFO] [stdout] 44 |     private_key_id: String,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 47 |     client_id: String,
[INFO] [stdout]    |     ^^^^^^^^^
[INFO] [stdout] 48 |     auth_uri: Url,
[INFO] [stdout]    |     ^^^^^^^^
[INFO] [stdout] 49 |     token_uri: Url,
[INFO] [stdout]    |     ^^^^^^^^^
[INFO] [stdout] 50 |     auth_provider_x509_cert_url: String,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 51 |     client_x509_cert_url: String,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `ServiceAccountKey` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `error` is never read
[INFO] [stdout]   --> src/error.rs:29:5
[INFO] [stdout]    |
[INFO] [stdout] 28 | pub struct GoogleJWTError {
[INFO] [stdout]    |            -------------- field in this struct
[INFO] [stdout] 29 |     error: GoogleJWTErrorType,
[INFO] [stdout]    |     ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `GoogleJWTError` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 34.88s
[INFO] running `Command { std: "docker" "inspect" "744c8eb3071ef3b63cb593c808aab9e2090eb1e3199de733d5e7117e9698c059", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "744c8eb3071ef3b63cb593c808aab9e2090eb1e3199de733d5e7117e9698c059", kill_on_drop: false }`
[INFO] [stdout] 744c8eb3071ef3b63cb593c808aab9e2090eb1e3199de733d5e7117e9698c059
[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=forbid -Copt-level=3" "-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+733b47ea4b1b86216f14ef56e49440c33933f230" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 3c4249304ea7e7549b0b32e855f30f1759b0b14d1417ee7b80459e5d16a8a132
[INFO] running `Command { std: "docker" "start" "-a" "3c4249304ea7e7549b0b32e855f30f1759b0b14d1417ee7b80459e5d16a8a132", kill_on_drop: false }`
[INFO] [stdout] warning: multiple fields are never read
[INFO] [stdout]   --> src/lib.rs:42:5
[INFO] [stdout]    |
[INFO] [stdout] 41 | struct ServiceAccountKey {
[INFO] [stdout]    |        ----------------- fields in this struct
[INFO] [stdout] 42 |     r#type: ServiceAccountKeyType,
[INFO] [stdout]    |     ^^^^^^
[INFO] [stdout] 43 |     project_id: String,
[INFO] [stdout]    |     ^^^^^^^^^^
[INFO] [stdout] 44 |     private_key_id: String,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 47 |     client_id: String,
[INFO] [stdout]    |     ^^^^^^^^^
[INFO] [stdout] 48 |     auth_uri: Url,
[INFO] [stdout]    |     ^^^^^^^^
[INFO] [stdout] 49 |     token_uri: Url,
[INFO] [stdout]    |     ^^^^^^^^^
[INFO] [stdout] 50 |     auth_provider_x509_cert_url: String,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 51 |     client_x509_cert_url: String,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `ServiceAccountKey` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `error` is never read
[INFO] [stdout]   --> src/error.rs:29:5
[INFO] [stdout]    |
[INFO] [stdout] 28 | pub struct GoogleJWTError {
[INFO] [stdout]    |            -------------- field in this struct
[INFO] [stdout] 29 |     error: GoogleJWTErrorType,
[INFO] [stdout]    |     ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `GoogleJWTError` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling gcp-sa v0.1.2 (/opt/rustwide/workdir)
[INFO] [stdout] warning: multiple fields are never read
[INFO] [stdout]   --> src/lib.rs:43:5
[INFO] [stdout]    |
[INFO] [stdout] 41 | struct ServiceAccountKey {
[INFO] [stdout]    |        ----------------- fields in this struct
[INFO] [stdout] 42 |     r#type: ServiceAccountKeyType,
[INFO] [stdout] 43 |     project_id: String,
[INFO] [stdout]    |     ^^^^^^^^^^
[INFO] [stdout] 44 |     private_key_id: String,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 47 |     client_id: String,
[INFO] [stdout]    |     ^^^^^^^^^
[INFO] [stdout] 48 |     auth_uri: Url,
[INFO] [stdout]    |     ^^^^^^^^
[INFO] [stdout] 49 |     token_uri: Url,
[INFO] [stdout]    |     ^^^^^^^^^
[INFO] [stdout] 50 |     auth_provider_x509_cert_url: String,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 51 |     client_x509_cert_url: String,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `ServiceAccountKey` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 2.85s
[INFO] running `Command { std: "docker" "inspect" "3c4249304ea7e7549b0b32e855f30f1759b0b14d1417ee7b80459e5d16a8a132", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3c4249304ea7e7549b0b32e855f30f1759b0b14d1417ee7b80459e5d16a8a132", kill_on_drop: false }`
[INFO] [stdout] 3c4249304ea7e7549b0b32e855f30f1759b0b14d1417ee7b80459e5d16a8a132
[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=forbid -Copt-level=3" "-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+733b47ea4b1b86216f14ef56e49440c33933f230" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 85fc88f852a8c0b976ea6f1089aac6f786974ae6d4aaadda806059ea716b0d0e
[INFO] running `Command { std: "docker" "start" "-a" "85fc88f852a8c0b976ea6f1089aac6f786974ae6d4aaadda806059ea716b0d0e", kill_on_drop: false }`
[INFO] [stderr] warning: multiple fields are never read
[INFO] [stderr]   --> src/lib.rs:42:5
[INFO] [stderr]    |
[INFO] [stderr] 41 | struct ServiceAccountKey {
[INFO] [stderr]    |        ----------------- fields in this struct
[INFO] [stderr] 42 |     r#type: ServiceAccountKeyType,
[INFO] [stderr]    |     ^^^^^^
[INFO] [stderr] 43 |     project_id: String,
[INFO] [stderr]    |     ^^^^^^^^^^
[INFO] [stderr] 44 |     private_key_id: String,
[INFO] [stderr]    |     ^^^^^^^^^^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 47 |     client_id: String,
[INFO] [stderr]    |     ^^^^^^^^^
[INFO] [stderr] 48 |     auth_uri: Url,
[INFO] [stderr]    |     ^^^^^^^^
[INFO] [stderr] 49 |     token_uri: Url,
[INFO] [stderr]    |     ^^^^^^^^^
[INFO] [stderr] 50 |     auth_provider_x509_cert_url: String,
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 51 |     client_x509_cert_url: String,
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `ServiceAccountKey` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: field `error` is never read
[INFO] [stderr]   --> src/error.rs:29:5
[INFO] [stderr]    |
[INFO] [stderr] 28 | pub struct GoogleJWTError {
[INFO] [stderr]    |            -------------- field in this struct
[INFO] [stderr] 29 |     error: GoogleJWTErrorType,
[INFO] [stderr]    |     ^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `GoogleJWTError` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stderr] 
[INFO] [stderr] warning: multiple fields are never read
[INFO] [stderr]   --> src/lib.rs:43:5
[INFO] [stderr]    |
[INFO] [stderr] 41 | struct ServiceAccountKey {
[INFO] [stderr]    |        ----------------- fields in this struct
[INFO] [stderr] 42 |     r#type: ServiceAccountKeyType,
[INFO] [stderr] 43 |     project_id: String,
[INFO] [stderr]    |     ^^^^^^^^^^
[INFO] [stderr] 44 |     private_key_id: String,
[INFO] [stderr]    |     ^^^^^^^^^^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 47 |     client_id: String,
[INFO] [stderr]    |     ^^^^^^^^^
[INFO] [stderr] 48 |     auth_uri: Url,
[INFO] [stderr]    |     ^^^^^^^^
[INFO] [stderr] 49 |     token_uri: Url,
[INFO] [stderr]    |     ^^^^^^^^^
[INFO] [stderr] 50 |     auth_provider_x509_cert_url: String,
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 51 |     client_x509_cert_url: String,
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `ServiceAccountKey` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `gcp-sa` (lib) generated 2 warnings
[INFO] [stderr] warning: `gcp-sa` (lib test) generated 1 warning
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.18s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/gcp_sa-b3e69471530eefa0)
[INFO] [stdout] 
[INFO] [stdout] running 4 tests
[INFO] [stdout] test error::tests::test_accessdenied ... ok
[INFO] [stdout] test error::tests::test_accessdenied_from_json ... ok
[INFO] [stdout] test tests::new_service_account_from_key ... ok
[INFO] [stdout] test tests::create_token ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 4 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.02s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests gcp_sa
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test src/lib.rs - (line 12) ... FAILED
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout] 
[INFO] [stdout] ---- src/lib.rs - (line 12) stdout ----
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared type `GoogleServiceAccountAuthenticator`
[INFO] [stdout]  --> src/lib.rs:13:21
[INFO] [stdout]   |
[INFO] [stdout] 3 | let authenticator = GoogleServiceAccountAuthenticator::new_from_service_account_key_file(std::path::Path("key.json".to_string())).unwrap();
[INFO] [stdout]   |                     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ use of undeclared type `GoogleServiceAccountAuthenticator`
[INFO] [stdout]   |
[INFO] [stdout] help: consider importing this struct
[INFO] [stdout]   |
[INFO] [stdout] 2 + use gcp_sa::GoogleServiceAccountAuthenticator;
[INFO] [stdout]   |
[INFO] [stdout] 
[INFO] [stdout] error[E0423]: expected function, tuple struct or tuple variant, found struct `std::path::Path`
[INFO] [stdout]  --> src/lib.rs:13:90
[INFO] [stdout]   |
[INFO] [stdout] 3 | let authenticator = GoogleServiceAccountAuthenticator::new_from_service_account_key_file(std::path::Path("key.json".to_string())).unwrap();
[INFO] [stdout]   |                                                                                          ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]  --> /rustc/733b47ea4b1b86216f14ef56e49440c33933f230/library/std/src/path.rs:2180:1
[INFO] [stdout]   |
[INFO] [stdout]   = note: `std::path::Path` defined here
[INFO] [stdout] 
[INFO] [stdout] error[E0728]: `await` is only allowed inside `async` functions and blocks
[INFO] [stdout]  --> src/lib.rs:14:87
[INFO] [stdout]   |
[INFO] [stdout] 2 | fn main() { #[allow(non_snake_case)] fn _doctest_main_src_lib_rs_12_0() {
[INFO] [stdout]   |                                      ---------------------------------- this is not `async`
[INFO] [stdout] 3 | let authenticator = GoogleServiceAccountAuthenticator::new_from_service_account_key_file(std::path::Path("key.json".to_string())).unwrap();
[INFO] [stdout] 4 | let id_token = authenticator.request_id_token("http://some.url.tld/scope-definition").await.unwrap();
[INFO] [stdout]   |                                                                                       ^^^^^ only allowed inside `async` functions and blocks
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 3 previous errors
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0423, E0433, E0728.
[INFO] [stdout] For more information about an error, try `rustc --explain E0423`.
[INFO] [stdout] Couldn't compile the test.
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout]     src/lib.rs - (line 12)
[INFO] [stdout] 
[INFO] [stdout] test result: FAILED. 0 passed; 1 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.15s
[INFO] [stdout] 
[INFO] [stderr] error: doctest failed, to rerun pass `--doc`
[INFO] running `Command { std: "docker" "inspect" "85fc88f852a8c0b976ea6f1089aac6f786974ae6d4aaadda806059ea716b0d0e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "85fc88f852a8c0b976ea6f1089aac6f786974ae6d4aaadda806059ea716b0d0e", kill_on_drop: false }`
[INFO] [stdout] 85fc88f852a8c0b976ea6f1089aac6f786974ae6d4aaadda806059ea716b0d0e
