[INFO] fetching crate attempt 0.1.0...
[INFO] testing attempt-0.1.0 against 1.75.0 for beta-1.76-1
[INFO] extracting crate attempt 0.1.0 into /workspace/builds/worker-3-tc1/source
[INFO] validating manifest of crates.io crate attempt 0.1.0 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 attempt 0.1.0
[INFO] finished tweaking crates.io crate attempt 0.1.0
[INFO] tweaked toml for crates.io crate attempt 0.1.0 written to /workspace/builds/worker-3-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] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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] fe5c2c019835538148d0996e38db85e2fb921a54d2d4a7fb678623484276b9d3
[INFO] running `Command { std: "docker" "start" "-a" "fe5c2c019835538148d0996e38db85e2fb921a54d2d4a7fb678623484276b9d3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "fe5c2c019835538148d0996e38db85e2fb921a54d2d4a7fb678623484276b9d3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fe5c2c019835538148d0996e38db85e2fb921a54d2d4a7fb678623484276b9d3", kill_on_drop: false }`
[INFO] [stdout] fe5c2c019835538148d0996e38db85e2fb921a54d2d4a7fb678623484276b9d3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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] 9e755fb7388cbc60f57f4d971953b13dadf9013e32618ea3f43a91c1494c6f9c
[INFO] running `Command { std: "docker" "start" "-a" "9e755fb7388cbc60f57f4d971953b13dadf9013e32618ea3f43a91c1494c6f9c", kill_on_drop: false }`
[INFO] [stderr]    Compiling attempt v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.08s
[INFO] running `Command { std: "docker" "inspect" "9e755fb7388cbc60f57f4d971953b13dadf9013e32618ea3f43a91c1494c6f9c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9e755fb7388cbc60f57f4d971953b13dadf9013e32618ea3f43a91c1494c6f9c", kill_on_drop: false }`
[INFO] [stdout] 9e755fb7388cbc60f57f4d971953b13dadf9013e32618ea3f43a91c1494c6f9c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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] 4cdf3709a28754aceb6ef6e7c62d25d04cf309a7aacc125a9b5f8dbf2ae659a2
[INFO] running `Command { std: "docker" "start" "-a" "4cdf3709a28754aceb6ef6e7c62d25d04cf309a7aacc125a9b5f8dbf2ae659a2", kill_on_drop: false }`
[INFO] [stderr]    Compiling attempt v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.27s
[INFO] running `Command { std: "docker" "inspect" "4cdf3709a28754aceb6ef6e7c62d25d04cf309a7aacc125a9b5f8dbf2ae659a2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4cdf3709a28754aceb6ef6e7c62d25d04cf309a7aacc125a9b5f8dbf2ae659a2", kill_on_drop: false }`
[INFO] [stdout] 4cdf3709a28754aceb6ef6e7c62d25d04cf309a7aacc125a9b5f8dbf2ae659a2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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] 5ac88a22b0a36dbd9dfdb66ab68d0df2c7b011fc2a7021b3e8b94202ad558815
[INFO] running `Command { std: "docker" "start" "-a" "5ac88a22b0a36dbd9dfdb66ab68d0df2c7b011fc2a7021b3e8b94202ad558815", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/attempt-b74a1c75a7b8ddb6)
[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 attempt
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test src/lib.rs - (line 4) ... FAILED
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout] 
[INFO] [stdout] ---- src/lib.rs - (line 4) stdout ----
[INFO] [stdout] error[E0599]: no method named `run_async` found for struct `Attempt` in the current scope
[INFO] [stdout]   --> src/lib.rs:41:10
[INFO] [stdout]    |
[INFO] [stdout] 36 | /     Attempt::to(fetch_data_from_unreliable_api_async)
[INFO] [stdout] 37 | |         .delay(std::time::Duration::from_secs(1))
[INFO] [stdout] 38 | |         .max_tries(1000)
[INFO] [stdout] 39 | |         .run_async()
[INFO] [stdout]    | |         -^^^^^^^^^ method not found in `Attempt<fn() -> impl Future<Output = Result<(), String>> {fetch_data_from_unreliable_api_async}>`
[INFO] [stdout]    | |_________|
[INFO] [stdout]    | 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to previous error
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0599`.
[INFO] [stdout] Couldn't compile the test.
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout]     src/lib.rs - (line 4)
[INFO] [stdout] 
[INFO] [stdout] test result: FAILED. 0 passed; 1 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.07s
[INFO] [stdout] 
[INFO] [stderr] error: doctest failed, to rerun pass `--doc`
[INFO] running `Command { std: "docker" "inspect" "5ac88a22b0a36dbd9dfdb66ab68d0df2c7b011fc2a7021b3e8b94202ad558815", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5ac88a22b0a36dbd9dfdb66ab68d0df2c7b011fc2a7021b3e8b94202ad558815", kill_on_drop: false }`
[INFO] [stdout] 5ac88a22b0a36dbd9dfdb66ab68d0df2c7b011fc2a7021b3e8b94202ad558815
[INFO] testing attempt-0.1.0 against beta-2023-12-22 for beta-1.76-1
[INFO] extracting crate attempt 0.1.0 into /workspace/builds/worker-3-tc2/source
[INFO] validating manifest of crates.io crate attempt 0.1.0 on toolchain beta-2023-12-22
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2023-12-22" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate attempt 0.1.0
[INFO] finished tweaking crates.io crate attempt 0.1.0
[INFO] tweaked toml for crates.io crate attempt 0.1.0 written to /workspace/builds/worker-3-tc2/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2023-12-22" "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" "+beta-2023-12-22" "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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2023-12-22" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 7ce286261ed5e969fc8dd50a90629b123e1cbdaf6220ae26b231d2a4e8ffdc14
[INFO] running `Command { std: "docker" "start" "-a" "7ce286261ed5e969fc8dd50a90629b123e1cbdaf6220ae26b231d2a4e8ffdc14", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "7ce286261ed5e969fc8dd50a90629b123e1cbdaf6220ae26b231d2a4e8ffdc14", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7ce286261ed5e969fc8dd50a90629b123e1cbdaf6220ae26b231d2a4e8ffdc14", kill_on_drop: false }`
[INFO] [stdout] 7ce286261ed5e969fc8dd50a90629b123e1cbdaf6220ae26b231d2a4e8ffdc14
[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=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" "+beta-2023-12-22" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] f6331c1efcb69d0746c71b029935c5c0cabfaf4624730918607ddf0803ba9204
[INFO] running `Command { std: "docker" "start" "-a" "f6331c1efcb69d0746c71b029935c5c0cabfaf4624730918607ddf0803ba9204", kill_on_drop: false }`
[INFO] [stderr]    Compiling attempt v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.06s
[INFO] running `Command { std: "docker" "inspect" "f6331c1efcb69d0746c71b029935c5c0cabfaf4624730918607ddf0803ba9204", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f6331c1efcb69d0746c71b029935c5c0cabfaf4624730918607ddf0803ba9204", kill_on_drop: false }`
[INFO] [stdout] f6331c1efcb69d0746c71b029935c5c0cabfaf4624730918607ddf0803ba9204
[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=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" "+beta-2023-12-22" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 513a81906618c087bdfe9bacf7a18138c157b89e47c6f195fc308375d6c50649
[INFO] running `Command { std: "docker" "start" "-a" "513a81906618c087bdfe9bacf7a18138c157b89e47c6f195fc308375d6c50649", kill_on_drop: false }`
[INFO] [stderr]    Compiling attempt v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.19s
[INFO] running `Command { std: "docker" "inspect" "513a81906618c087bdfe9bacf7a18138c157b89e47c6f195fc308375d6c50649", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "513a81906618c087bdfe9bacf7a18138c157b89e47c6f195fc308375d6c50649", kill_on_drop: false }`
[INFO] [stdout] 513a81906618c087bdfe9bacf7a18138c157b89e47c6f195fc308375d6c50649
[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=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" "+beta-2023-12-22" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] e861e51db70c20e461baed90138c5b4e8347dfd8e35470ea18d43b488c8c9677
[INFO] running `Command { std: "docker" "start" "-a" "e861e51db70c20e461baed90138c5b4e8347dfd8e35470ea18d43b488c8c9677", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/attempt-a4927967309668b8)
[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 attempt
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test src/lib.rs - (line 4) ... FAILED
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout] 
[INFO] [stdout] ---- src/lib.rs - (line 4) stdout ----
[INFO] [stdout] error[E0599]: no method named `run_async` found for struct `Attempt` in the current scope
[INFO] [stdout]   --> src/lib.rs:41:10
[INFO] [stdout]    |
[INFO] [stdout] 36 | /     Attempt::to(fetch_data_from_unreliable_api_async)
[INFO] [stdout] 37 | |         .delay(std::time::Duration::from_secs(1))
[INFO] [stdout] 38 | |         .max_tries(1000)
[INFO] [stdout] 39 | |         .run_async()
[INFO] [stdout]    | |         -^^^^^^^^^ method not found in `Attempt<fn() -> impl Future<Output = Result<(), String>> {fetch_data_from_unreliable_api_async}>`
[INFO] [stdout]    | |_________|
[INFO] [stdout]    | 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 1 previous error
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0599`.
[INFO] [stdout] Couldn't compile the test.
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout]     src/lib.rs - (line 4)
[INFO] [stdout] 
[INFO] [stdout] test result: FAILED. 0 passed; 1 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.06s
[INFO] [stdout] 
[INFO] [stderr] error: doctest failed, to rerun pass `--doc`
[INFO] running `Command { std: "docker" "inspect" "e861e51db70c20e461baed90138c5b4e8347dfd8e35470ea18d43b488c8c9677", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e861e51db70c20e461baed90138c5b4e8347dfd8e35470ea18d43b488c8c9677", kill_on_drop: false }`
[INFO] [stdout] e861e51db70c20e461baed90138c5b4e8347dfd8e35470ea18d43b488c8c9677
