[INFO] fetching crate cron_tab 0.2.10...
[INFO] testing cron_tab-0.2.10 against master#733b47ea4b1b86216f14ef56e49440c33933f230+rustflags=-Copt-level=3 for pr-138759
[INFO] extracting crate cron_tab 0.2.10 into /workspace/builds/worker-5-tc2/source
[INFO] started tweaking crates.io crate cron_tab 0.2.10
[INFO] removed 0 missing examples
[INFO] removed 0 missing tests
[INFO] finished tweaking crates.io crate cron_tab 0.2.10
[INFO] tweaked toml for crates.io crate cron_tab 0.2.10 written to /workspace/builds/worker-5-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate cron_tab 0.2.10 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] crate crates.io crate cron_tab 0.2.10 already has a lockfile, it will not be regenerated
[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-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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] b10bbb4f510b85ae8547c6c89cf784684e8f9a502d59b99ce1cb96ea1d6cabb6
[INFO] running `Command { std: "docker" "start" "-a" "b10bbb4f510b85ae8547c6c89cf784684e8f9a502d59b99ce1cb96ea1d6cabb6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "b10bbb4f510b85ae8547c6c89cf784684e8f9a502d59b99ce1cb96ea1d6cabb6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b10bbb4f510b85ae8547c6c89cf784684e8f9a502d59b99ce1cb96ea1d6cabb6", kill_on_drop: false }`
[INFO] [stdout] b10bbb4f510b85ae8547c6c89cf784684e8f9a502d59b99ce1cb96ea1d6cabb6
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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] 352589a87077583c5af8312147658296ce152da05be5379ee36adf202ec499e1
[INFO] running `Command { std: "docker" "start" "-a" "352589a87077583c5af8312147658296ce152da05be5379ee36adf202ec499e1", kill_on_drop: false }`
[INFO] [stderr]    Compiling winnow v0.6.26
[INFO] [stderr]    Compiling num-traits v0.2.19
[INFO] [stderr]    Compiling syn v2.0.101
[INFO] [stderr]    Compiling chrono v0.4.41
[INFO] [stderr]    Compiling cron v0.15.0
[INFO] [stderr]    Compiling thiserror-impl v2.0.12
[INFO] [stderr]    Compiling thiserror v2.0.12
[INFO] [stderr]    Compiling cron_tab v0.2.10 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 31.96s
[INFO] running `Command { std: "docker" "inspect" "352589a87077583c5af8312147658296ce152da05be5379ee36adf202ec499e1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "352589a87077583c5af8312147658296ce152da05be5379ee36adf202ec499e1", kill_on_drop: false }`
[INFO] [stdout] 352589a87077583c5af8312147658296ce152da05be5379ee36adf202ec499e1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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] 67b0f5d4fefe976ac0c0c4921cc61967b46dfc7a9f653cb2beed45b89891d545
[INFO] running `Command { std: "docker" "start" "-a" "67b0f5d4fefe976ac0c0c4921cc61967b46dfc7a9f653cb2beed45b89891d545", kill_on_drop: false }`
[INFO] [stderr]    Compiling cron_tab v0.2.10 (/opt/rustwide/workdir)
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> tests/sync.rs:798:13
[INFO] [stdout]     |
[INFO] [stdout] 798 |         let mut cron = Cron::new(Utc);
[INFO] [stdout]     |             ----^^^^
[INFO] [stdout]     |             |
[INFO] [stdout]     |             help: remove this `mut`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_mut)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 11.04s
[INFO] running `Command { std: "docker" "inspect" "67b0f5d4fefe976ac0c0c4921cc61967b46dfc7a9f653cb2beed45b89891d545", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "67b0f5d4fefe976ac0c0c4921cc61967b46dfc7a9f653cb2beed45b89891d545", kill_on_drop: false }`
[INFO] [stdout] 67b0f5d4fefe976ac0c0c4921cc61967b46dfc7a9f653cb2beed45b89891d545
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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] 72395db33cf6177ce1d39194371698d10c385295e94931e91600197fbb7d38d7
[INFO] running `Command { std: "docker" "start" "-a" "72395db33cf6177ce1d39194371698d10c385295e94931e91600197fbb7d38d7", kill_on_drop: false }`
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> tests/sync.rs:798:13
[INFO] [stderr]     |
[INFO] [stderr] 798 |         let mut cron = Cron::new(Utc);
[INFO] [stderr]     |             ----^^^^
[INFO] [stderr]     |             |
[INFO] [stderr]     |             help: remove this `mut`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_mut)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `cron_tab` (test "sync") generated 1 warning (run `cargo fix --test "sync"` to apply 1 suggestion)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.09s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/cron_tab-b06d3f53c546ff8f)
[INFO] [stdout] 
[INFO] [stdout] running 6 tests
[INFO] [stdout] test entry::tests::test_entry_clone ... ok
[INFO] [stdout] test entry::tests::test_entry_schedule_next ... ok
[INFO] [stdout] test error::tests::test_parse_error_display ... ok
[INFO] [stdout] test error::tests::test_parse_error_debug ... ok
[INFO] [stdout] test entry::tests::test_entry_debug ... ok
[INFO] [stdout] test error::tests::test_error_from_cron_error ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 6 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.01s
[INFO] [stdout] 
[INFO] [stderr]      Running tests/async.rs (/opt/rustwide/target/debug/deps/async-315c0bc5a3d97271)
[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]      Running tests/sync.rs (/opt/rustwide/target/debug/deps/sync-9ecb801f84122085)
[INFO] [stdout] 
[INFO] [stdout] running 48 tests
[INFO] [stdout] test tests::start_and_stop_cron ... ok
[INFO] [stdout] test tests::test_job_id_generation ... ok
[INFO] [stdout] test tests::test_edge_case_cron_expressions ... ok
[INFO] [stdout] test tests::test_invalid_cron_expressions ... ok
[INFO] [stdout] test tests::test_job_addition_performance ... ok
[INFO] [stdout] test tests::test_empty_entries_with_start_blocking ... ok
[INFO] [stdout] test tests::test_entry_schedule_next_edge_cases ... ok
[INFO] [stdout] test tests::test_complex_scheduling_patterns ... ok
[INFO] [stdout] test tests::test_job_scheduling_edge_cases_sync ... ok
[INFO] [stdout] test tests::test_crossbeam_channel_paths ... ok
[INFO] [stdout] test tests::test_add_job_after_stop ... ok
[INFO] [stdout] test tests::test_memory_usage_with_many_jobs ... ok
[INFO] [stdout] test tests::test_multiple_jobs_execution_order ... ok
[INFO] [stdout] test tests::test_remove_from_stopped_scheduler_sync ... ok
[INFO] [stdout] test tests::test_remove_nonexistent_job ... ok
[INFO] [stdout] test tests::test_schedule_method_coverage_sync ... ok
[INFO] [stdout] test tests::test_schedule_next_edge_cases ... ok
[INFO] [stdout] test tests::test_job_removal_thread_safety ... ok
[INFO] [stdout] test tests::test_scheduler_with_no_jobs_sync ... ok
[INFO] [stdout] test tests::add_job ... ok
[INFO] [stdout] test tests::remove_job ... ok
[INFO] [stdout] test tests::add_job_before_start ... ok
[INFO] [stdout] test tests::add_multiple_jobs ... ok
[INFO] [stdout] test tests::test_stop_channel_edge_cases_sync ... ok
[INFO] [stdout] test tests::test_startup_performance ... ok
[INFO] [stdout] test tests::test_stop_without_start ... ok
[INFO] [stdout] test tests::test_cross_thread_job_execution ... ok
[INFO] [stdout] test tests::test_timezone_edge_cases ... ok
[INFO] [stdout] test tests::test_start_multiple_times ... ok
[INFO] [stdout] test tests::test_stop_channel_receive ... ok
[INFO] [stdout] test tests::test_job_due_check_logic ... ok
[INFO] [stdout] test tests::test_large_scale_concurrent_execution ... ok
[INFO] [stdout] test tests::test_local_unsafe_storage ... ok
[INFO] [stdout] test tests::test_precise_timing_edge_cases ... ok
[INFO] [stdout] test tests::test_wait_duration_calculation ... ok
[INFO] [stdout] test tests::test_multiple_threads_adding_jobs ... ok
[INFO] [stdout] test tests::test_non_sync_custom_type ... ok
[INFO] [stdout] test tests::test_start_blocking_edge_cases ... ok
[INFO] [stdout] test tests::test_concurrent_job_access ... ok
[INFO] [stdout] test tests::test_timer_expiry_path ... ok
[INFO] [stdout] test tests::test_memory_ordering_consistency ... ok
[INFO] [stdout] test tests::test_scheduler_clone_safety ... ok
[INFO] [stdout] test tests::test_unsafe_cell_in_job ... ok
[INFO] [stdout] test tests::test_unsafe_cell_with_complex_data ... ok
[INFO] [stdout] test tests::test_shared_mutable_state_safety ... ok
[INFO] [stdout] test tests::test_unsafe_cell_performance_comparison ... ok
[INFO] [stdout] test tests::test_real_world_scheduling_scenario ... ok
[INFO] [stdout] test tests::test_timezone_sensitive_scheduling ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 48 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 6.61s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests cron_tab
[INFO] [stdout] 
[INFO] [stdout] running 14 tests
[INFO] [stdout] test src/cron.rs - cron::Cron<Z>::start_blocking (line 354) - compile ... ok
[INFO] [stdout] test src/lib.rs - (line 82) ... FAILED
[INFO] [stdout] test src/error.rs - error::CronError::ParseError (line 45) ... ok
[INFO] [stdout] test src/cron.rs - cron::Cron<Z>::new (line 92) ... ok
[INFO] [stdout] test src/entry.rs - entry::Entry<Z>::schedule_next (line 88) ... ok
[INFO] [stdout] test src/error.rs - error::CronError (line 16) ... ok
[INFO] [stdout] test src/cron.rs - cron::Cron<Z>::add_fn (line 134) ... ok
[INFO] [stdout] test src/lib.rs - (line 126) ... ok
[INFO] [stdout] test src/cron.rs - cron::Cron<Z>::set_timezone (line 199) ... ok
[INFO] [stdout] test src/cron.rs - cron::Cron<Z>::stop (line 282) ... ok
[INFO] [stdout] test src/cron.rs - cron::Cron (line 36) ... ok
[INFO] [stdout] test src/cron.rs - cron::Cron<Z>::remove (line 256) ... ok
[INFO] [stdout] test src/lib.rs - (line 49) ... ok
[INFO] [stdout] test src/cron.rs - cron::Cron<Z>::start (line 311) ... ok
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout] 
[INFO] [stdout] ---- src/lib.rs - (line 82) stdout ----
[INFO] [stdout] error[E0433]: failed to resolve: use of unresolved module or unlinked crate `tokio`
[INFO] [stdout]  --> src/lib.rs:87:5
[INFO] [stdout]   |
[INFO] [stdout] 7 | use tokio::sync::Mutex;
[INFO] [stdout]   |     ^^^^^ use of unresolved module or unlinked crate `tokio`
[INFO] [stdout]   |
[INFO] [stdout]   = help: if you wanted to use a crate named `tokio`, use `cargo add tokio` to add it to your `Cargo.toml`
[INFO] [stdout] 
[INFO] [stdout] error[E0432]: unresolved import `cron_tab::AsyncCron`
[INFO] [stdout]    --> src/lib.rs:86:5
[INFO] [stdout]     |
[INFO] [stdout] 6   | use cron_tab::AsyncCron;
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^^ no `AsyncCron` in the root
[INFO] [stdout]     |
[INFO] [stdout] note: found an item that was configured out
[INFO] [stdout]    --> /opt/rustwide/workdir/src/lib.rs:171:28
[INFO] [stdout]     |
[INFO] [stdout] 171 | pub use crate::async_cron::AsyncCron;
[INFO] [stdout]     |                            ^^^^^^^^^
[INFO] [stdout] note: the item is gated behind the `r#async` feature
[INFO] [stdout]    --> /opt/rustwide/workdir/src/lib.rs:170:7
[INFO] [stdout]     |
[INFO] [stdout] 170 | #[cfg(feature = "async")]
[INFO] [stdout]     |       ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of unresolved module or unlinked crate `tokio`
[INFO] [stdout]  --> src/lib.rs:89:3
[INFO] [stdout]   |
[INFO] [stdout] 9 | #[tokio::main]
[INFO] [stdout]   |   ^^^^^ use of unresolved module or unlinked crate `tokio`
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of unresolved module or unlinked crate `tokio`
[INFO] [stdout]   --> src/lib.rs:106:9
[INFO] [stdout]    |
[INFO] [stdout] 26 |         tokio::time::sleep(tokio::time::Duration::from_millis(100)).await;
[INFO] [stdout]    |         ^^^^^ use of unresolved module or unlinked crate `tokio`
[INFO] [stdout]    |
[INFO] [stdout]    = help: if you wanted to use a crate named `tokio`, use `cargo add tokio` to add it to your `Cargo.toml`
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of unresolved module or unlinked crate `tokio`
[INFO] [stdout]   --> src/lib.rs:114:1
[INFO] [stdout]    |
[INFO] [stdout] 34 | tokio::time::sleep(tokio::time::Duration::from_secs(3)).await;
[INFO] [stdout]    | ^^^^^ use of unresolved module or unlinked crate `tokio`
[INFO] [stdout]    |
[INFO] [stdout]    = help: if you wanted to use a crate named `tokio`, use `cargo add tokio` to add it to your `Cargo.toml`
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of unresolved module or unlinked crate `tokio`
[INFO] [stdout]   --> src/lib.rs:106:28
[INFO] [stdout]    |
[INFO] [stdout] 26 |         tokio::time::sleep(tokio::time::Duration::from_millis(100)).await;
[INFO] [stdout]    |                            ^^^^^ use of unresolved module or unlinked crate `tokio`
[INFO] [stdout]    |
[INFO] [stdout]    = help: if you wanted to use a crate named `tokio`, use `cargo add tokio` to add it to your `Cargo.toml`
[INFO] [stdout] help: consider importing one of these items
[INFO] [stdout]    |
[INFO] [stdout] 4  + use std::time::Duration;
[INFO] [stdout]    |
[INFO] [stdout] 4  + use chrono::Duration;
[INFO] [stdout]    |
[INFO] [stdout] help: if you import `Duration`, refer to it directly
[INFO] [stdout]    |
[INFO] [stdout] 26 -         tokio::time::sleep(tokio::time::Duration::from_millis(100)).await;
[INFO] [stdout] 26 +         tokio::time::sleep(Duration::from_millis(100)).await;
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of unresolved module or unlinked crate `tokio`
[INFO] [stdout]   --> src/lib.rs:114:20
[INFO] [stdout]    |
[INFO] [stdout] 34 | tokio::time::sleep(tokio::time::Duration::from_secs(3)).await;
[INFO] [stdout]    |                    ^^^^^ use of unresolved module or unlinked crate `tokio`
[INFO] [stdout]    |
[INFO] [stdout]    = help: if you wanted to use a crate named `tokio`, use `cargo add tokio` to add it to your `Cargo.toml`
[INFO] [stdout] help: consider importing one of these items
[INFO] [stdout]    |
[INFO] [stdout] 4  + use std::time::Duration;
[INFO] [stdout]    |
[INFO] [stdout] 4  + use chrono::Duration;
[INFO] [stdout]    |
[INFO] [stdout] help: if you import `Duration`, refer to it directly
[INFO] [stdout]    |
[INFO] [stdout] 34 - tokio::time::sleep(tokio::time::Duration::from_secs(3)).await;
[INFO] [stdout] 34 + tokio::time::sleep(Duration::from_secs(3)).await;
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] error[E0752]: `main` function is not allowed to be `async`
[INFO] [stdout]   --> src/lib.rs:90:1
[INFO] [stdout]    |
[INFO] [stdout] 10 | async fn main() -> Result<(), Box<dyn std::error::Error>> {
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ `main` function is not allowed to be `async`
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 8 previous errors
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0432, E0433, E0752.
[INFO] [stdout] For more information about an error, try `rustc --explain E0432`.
[INFO] [stdout] Couldn't compile the test.
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout]     src/lib.rs - (line 82)
[INFO] [stdout] 
[INFO] [stdout] test result: FAILED. 13 passed; 1 failed; 0 ignored; 0 measured; 0 filtered out; finished in 11.64s
[INFO] [stdout] 
[INFO] [stderr] error: doctest failed, to rerun pass `--doc`
[INFO] running `Command { std: "docker" "inspect" "72395db33cf6177ce1d39194371698d10c385295e94931e91600197fbb7d38d7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "72395db33cf6177ce1d39194371698d10c385295e94931e91600197fbb7d38d7", kill_on_drop: false }`
[INFO] [stdout] 72395db33cf6177ce1d39194371698d10c385295e94931e91600197fbb7d38d7
