[INFO] fetching crate async-thread 0.1.2...
[INFO] testing async-thread-0.1.2 against 1.93.0 for beta-1.94-1
[INFO] extracting crate async-thread 0.1.2 into /workspace/builds/worker-7-tc1/source
[INFO] started tweaking crates.io crate async-thread 0.1.2
[INFO] finished tweaking crates.io crate async-thread 0.1.2
[INFO] tweaked toml for crates.io crate async-thread 0.1.2 written to /workspace/builds/worker-7-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate async-thread 0.1.2 on toolchain 1.93.0
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.93.0" "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" "+1.93.0" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 59 packages to latest compatible versions
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.93.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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@sha256:98afbf2d16093dec2546ff8915fddc74e65664aa03fc460b3712b1c2c54a33e4" "/opt/rustwide/cargo-home/bin/cargo" "+1.93.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] e98b64484f709f74aa12d427139b672e46c29918e60077e8c25cb469da673ebf
[INFO] running `Command { std: "docker" "start" "-a" "e98b64484f709f74aa12d427139b672e46c29918e60077e8c25cb469da673ebf", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "e98b64484f709f74aa12d427139b672e46c29918e60077e8c25cb469da673ebf", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e98b64484f709f74aa12d427139b672e46c29918e60077e8c25cb469da673ebf", kill_on_drop: false }`
[INFO] [stdout] e98b64484f709f74aa12d427139b672e46c29918e60077e8c25cb469da673ebf
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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@sha256:98afbf2d16093dec2546ff8915fddc74e65664aa03fc460b3712b1c2c54a33e4" "/opt/rustwide/cargo-home/bin/cargo" "+1.93.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 3a1274405471dd0e0ef7cf5bc698b8b7e9b1f1fdc126780eb26a5f864342dd26
[INFO] running `Command { std: "docker" "start" "-a" "3a1274405471dd0e0ef7cf5bc698b8b7e9b1f1fdc126780eb26a5f864342dd26", kill_on_drop: false }`
[INFO] [stderr]    Compiling futures-core v0.3.31
[INFO] [stderr]    Compiling futures-channel v0.3.31
[INFO] [stderr]    Compiling async-thread v0.1.2 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.44s
[INFO] running `Command { std: "docker" "inspect" "3a1274405471dd0e0ef7cf5bc698b8b7e9b1f1fdc126780eb26a5f864342dd26", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3a1274405471dd0e0ef7cf5bc698b8b7e9b1f1fdc126780eb26a5f864342dd26", kill_on_drop: false }`
[INFO] [stdout] 3a1274405471dd0e0ef7cf5bc698b8b7e9b1f1fdc126780eb26a5f864342dd26
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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@sha256:98afbf2d16093dec2546ff8915fddc74e65664aa03fc460b3712b1c2c54a33e4" "/opt/rustwide/cargo-home/bin/cargo" "+1.93.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 5fd9428c451d96ed973047ba93fa6da28d1594f3e5e3c8dd964135776d3c36db
[INFO] running `Command { std: "docker" "start" "-a" "5fd9428c451d96ed973047ba93fa6da28d1594f3e5e3c8dd964135776d3c36db", kill_on_drop: false }`
[INFO] [stderr]    Compiling fastrand v2.3.0
[INFO] [stderr]    Compiling rustix v1.1.3
[INFO] [stderr]    Compiling linux-raw-sys v0.11.0
[INFO] [stderr]    Compiling bitflags v2.10.0
[INFO] [stderr]    Compiling concurrent-queue v2.5.0
[INFO] [stderr]    Compiling async-io v2.6.0
[INFO] [stderr]    Compiling atomic-waker v1.1.2
[INFO] [stderr]    Compiling async-task v4.7.1
[INFO] [stderr]    Compiling slab v0.4.11
[INFO] [stderr]    Compiling futures-lite v2.6.1
[INFO] [stderr]    Compiling piper v0.2.4
[INFO] [stderr]    Compiling value-bag v1.12.0
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]    Compiling event-listener v5.4.1
[INFO] [stderr]    Compiling event-listener v2.5.3
[INFO] [stderr]    Compiling memchr v2.7.6
[INFO] [stderr]    Compiling pin-utils v0.1.0
[INFO] [stderr]    Compiling log v0.4.29
[INFO] [stderr]    Compiling async-channel v1.9.0
[INFO] [stderr]    Compiling event-listener-strategy v0.5.4
[INFO] [stderr]    Compiling async-channel v2.5.0
[INFO] [stderr]    Compiling async-lock v3.4.2
[INFO] [stderr]    Compiling kv-log-macro v1.0.7
[INFO] [stderr]    Compiling blocking v1.6.2
[INFO] [stderr]    Compiling async-executor v1.13.3
[INFO] [stderr]    Compiling async-attributes v1.1.2
[INFO] [stderr]    Compiling polling v3.11.0
[INFO] [stderr]    Compiling async-global-executor v2.4.1
[INFO] [stderr]    Compiling async-std v1.13.2
[INFO] [stderr]    Compiling async-thread v0.1.2 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 20.40s
[INFO] running `Command { std: "docker" "inspect" "5fd9428c451d96ed973047ba93fa6da28d1594f3e5e3c8dd964135776d3c36db", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5fd9428c451d96ed973047ba93fa6da28d1594f3e5e3c8dd964135776d3c36db", kill_on_drop: false }`
[INFO] [stdout] 5fd9428c451d96ed973047ba93fa6da28d1594f3e5e3c8dd964135776d3c36db
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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@sha256:98afbf2d16093dec2546ff8915fddc74e65664aa03fc460b3712b1c2c54a33e4" "/opt/rustwide/cargo-home/bin/cargo" "+1.93.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 19462dec33ebdc98111e82b4ced796d819b20deb9ac47daaa62c77af8d73417f
[INFO] running `Command { std: "docker" "start" "-a" "19462dec33ebdc98111e82b4ced796d819b20deb9ac47daaa62c77af8d73417f", kill_on_drop: false }`
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.09s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/async_thread-124d0eaefacf4777)
[INFO] [stderr]    Doc-tests async_thread
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test tests::it_works ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 14 tests
[INFO] [stdout] test src/lib.rs - Builder::new (line 172) ... FAILED
[INFO] [stdout] test src/lib.rs - Builder::name (line 199) ... FAILED
[INFO] [stdout] test src/lib.rs - JoinHandle (line 30) ... ok
[INFO] [stdout] test src/lib.rs - (line 3) ... FAILED
[INFO] [stdout] test src/lib.rs - spawn (line 326) ... FAILED
[INFO] [stdout] test src/lib.rs - JoinHandle<T>::join (line 92) ... FAILED
[INFO] [stdout] test src/lib.rs - Builder (line 150) ... ok
[INFO] [stdout] test src/lib.rs - Builder::spawn (line 256) ... FAILED
[INFO] [stdout] test src/lib.rs - spawn (line 362) ... FAILED
[INFO] [stdout] test src/lib.rs - JoinHandle (line 48) - compile ... FAILED
[INFO] [stdout] test src/lib.rs - Builder::stack_size (line 225) ... ok
[INFO] [stdout] test src/lib.rs - spawn (line 340) ... FAILED
[INFO] [stdout] test src/lib.rs - JoinHandle<T>::thread (line 113) ... ok
[INFO] [stdout] test src/lib.rs - JoinHandle (line 38) ... ok
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout] 
[INFO] [stdout] ---- src/lib.rs - Builder::new (line 172) stdout ----
[INFO] [stdout] error[E0728]: `await` is only allowed inside `async` functions and blocks
[INFO] [stdout]   --> src/lib.rs:182:16
[INFO] [stdout]    |
[INFO] [stdout]  4 | fn main() { #[allow(non_snake_case)] fn _doctest_main_src_lib_rs_172_0() {
[INFO] [stdout]    |                                      ----------------------------------- this is not `async`
[INFO] [stdout] ...
[INFO] [stdout] 13 | handler.join().await.unwrap();
[INFO] [stdout]    |                ^^^^^ only allowed inside `async` functions and blocks
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 1 previous error
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0728`.
[INFO] [stdout] Couldn't compile the test.
[INFO] [stdout] ---- src/lib.rs - Builder::name (line 199) stdout ----
[INFO] [stdout] error[E0433]: failed to resolve: use of unresolved module or unlinked crate `thread`
[INFO] [stdout]  --> src/lib.rs:205:16
[INFO] [stdout]   |
[INFO] [stdout] 9 |     assert_eq!(thread::current().name(), Some("foo"))
[INFO] [stdout]   |                ^^^^^^ use of unresolved module or unlinked crate `thread`
[INFO] [stdout]   |
[INFO] [stdout]   = help: if you wanted to use a crate named `thread`, use `cargo add thread` to add it to your `Cargo.toml`
[INFO] [stdout] help: consider importing this module
[INFO] [stdout]   |
[INFO] [stdout] 2 + use std::thread;
[INFO] [stdout]   |
[INFO] [stdout] 
[INFO] [stdout] error[E0728]: `await` is only allowed inside `async` functions and blocks
[INFO] [stdout]   --> src/lib.rs:208:16
[INFO] [stdout]    |
[INFO] [stdout]  4 | fn main() { #[allow(non_snake_case)] fn _doctest_main_src_lib_rs_199_0() {
[INFO] [stdout]    |                                      ----------------------------------- this is not `async`
[INFO] [stdout] ...
[INFO] [stdout] 12 | handler.join().await.unwrap();
[INFO] [stdout]    |                ^^^^^ only allowed inside `async` functions and blocks
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 2 previous errors
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0433, E0728.
[INFO] [stdout] For more information about an error, try `rustc --explain E0433`.
[INFO] [stdout] Couldn't compile the test.
[INFO] [stdout] ---- src/lib.rs - (line 3) stdout ----
[INFO] [stdout] error[E0425]: cannot find function `spawn` in the crate root
[INFO] [stdout]  --> src/lib.rs:4:21
[INFO] [stdout]   |
[INFO] [stdout] 3 | let handle = crate::spawn(|| 5usize);
[INFO] [stdout]   |                     ^^^^^ not found in the crate root
[INFO] [stdout]   |
[INFO] [stdout] help: consider importing one of these functions
[INFO] [stdout]   |
[INFO] [stdout] 2 + use std::thread::spawn;
[INFO] [stdout]   |
[INFO] [stdout] 2 + use async_std::task::spawn;
[INFO] [stdout]   |
[INFO] [stdout] 2 + use async_thread::spawn;
[INFO] [stdout]   |
[INFO] [stdout] help: if you import `spawn`, refer to it directly
[INFO] [stdout]   |
[INFO] [stdout] 3 - let handle = crate::spawn(|| 5usize);
[INFO] [stdout] 3 + let handle = spawn(|| 5usize);
[INFO] [stdout]   |
[INFO] [stdout] 
[INFO] [stdout] error[E0728]: `await` is only allowed inside `async` functions and blocks
[INFO] [stdout]  --> src/lib.rs:5:26
[INFO] [stdout]   |
[INFO] [stdout] 2 | fn main() { #[allow(non_snake_case)] fn _doctest_main_src_lib_rs_3_0() {
[INFO] [stdout]   |                                      --------------------------------- this is not `async`
[INFO] [stdout] 3 | let handle = crate::spawn(|| 5usize);
[INFO] [stdout] 4 | assert_eq!(handle.join().await.map_err(drop), Ok(5));
[INFO] [stdout]   |                          ^^^^^ only allowed inside `async` functions and blocks
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 2 previous errors
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0425, E0728.
[INFO] [stdout] For more information about an error, try `rustc --explain E0425`.
[INFO] [stdout] Couldn't compile the test.
[INFO] [stdout] ---- src/lib.rs - spawn (line 326) stdout ----
[INFO] [stdout] error[E0728]: `await` is only allowed inside `async` functions and blocks
[INFO] [stdout]  --> src/lib.rs:332:16
[INFO] [stdout]   |
[INFO] [stdout] 4 | fn main() { #[allow(non_snake_case)] fn _doctest_main_src_lib_rs_326_0() {
[INFO] [stdout]   |                                      ----------------------------------- this is not `async`
[INFO] [stdout] ...
[INFO] [stdout] 9 | handler.join().await.unwrap();
[INFO] [stdout]   |                ^^^^^ only allowed inside `async` functions and blocks
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 1 previous error
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0728`.
[INFO] [stdout] Couldn't compile the test.
[INFO] [stdout] ---- src/lib.rs - JoinHandle<T>::join (line 92) stdout ----
[INFO] [stdout] error[E0728]: `await` is only allowed inside `async` functions and blocks
[INFO] [stdout]   --> src/lib.rs:99:20
[INFO] [stdout]    |
[INFO] [stdout]  4 | fn main() { #[allow(non_snake_case)] fn _doctest_main_src_lib_rs_92_0() {
[INFO] [stdout]    |                                      ---------------------------------- this is not `async`
[INFO] [stdout] ...
[INFO] [stdout] 10 | join_handle.join().await.expect("Couldn't join on the associated thread");
[INFO] [stdout]    |                    ^^^^^ only allowed inside `async` functions and blocks
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 1 previous error
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0728`.
[INFO] [stdout] Couldn't compile the test.
[INFO] [stdout] ---- src/lib.rs - Builder::spawn (line 256) stdout ----
[INFO] [stdout] error[E0728]: `await` is only allowed inside `async` functions and blocks
[INFO] [stdout]   --> src/lib.rs:264:16
[INFO] [stdout]    |
[INFO] [stdout]  4 | fn main() { #[allow(non_snake_case)] fn _doctest_main_src_lib_rs_256_0() {
[INFO] [stdout]    |                                      ----------------------------------- this is not `async`
[INFO] [stdout] ...
[INFO] [stdout] 11 | handler.join().await.unwrap();
[INFO] [stdout]    |                ^^^^^ only allowed inside `async` functions and blocks
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 1 previous error
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0728`.
[INFO] [stdout] Couldn't compile the test.
[INFO] [stdout] ---- src/lib.rs - spawn (line 362) stdout ----
[INFO] [stdout] error[E0728]: `await` is only allowed inside `async` functions and blocks
[INFO] [stdout]   --> src/lib.rs:369:33
[INFO] [stdout]    |
[INFO] [stdout]  4 | fn main() { #[allow(non_snake_case)] fn _doctest_main_src_lib_rs_362_0() {
[INFO] [stdout]    |                                      ----------------------------------- this is not `async`
[INFO] [stdout] ...
[INFO] [stdout] 10 | let result = computation.join().await.unwrap();
[INFO] [stdout]    |                                 ^^^^^ only allowed inside `async` functions and blocks
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 1 previous error
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0728`.
[INFO] [stdout] Couldn't compile the test.
[INFO] [stdout] ---- src/lib.rs - JoinHandle (line 48) stdout ----
[INFO] [stdout] error[E0433]: failed to resolve: use of unresolved module or unlinked crate `thread`
[INFO] [stdout]   --> src/lib.rs:55:9
[INFO] [stdout]    |
[INFO] [stdout] 10 |         thread::sleep(Duration::from_millis(10));
[INFO] [stdout]    |         ^^^^^^ use of unresolved module or unlinked crate `thread`
[INFO] [stdout]    |
[INFO] [stdout]    = help: if you wanted to use a crate named `thread`, use `cargo add thread` to add it to your `Cargo.toml`
[INFO] [stdout] help: consider importing this module
[INFO] [stdout]    |
[INFO] [stdout]  2 + use std::thread;
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of unresolved module or unlinked crate `thread`
[INFO] [stdout]   --> src/lib.rs:67:1
[INFO] [stdout]    |
[INFO] [stdout] 22 | thread::sleep(Duration::from_millis(1000));
[INFO] [stdout]    | ^^^^^^ use of unresolved module or unlinked crate `thread`
[INFO] [stdout]    |
[INFO] [stdout]    = help: if you wanted to use a crate named `thread`, use `cargo add thread` to add it to your `Cargo.toml`
[INFO] [stdout] help: consider importing this module
[INFO] [stdout]    |
[INFO] [stdout]  2 + use std::thread;
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] error[E0728]: `await` is only allowed inside `async` functions and blocks
[INFO] [stdout]   --> src/lib.rs:61:24
[INFO] [stdout]    |
[INFO] [stdout]  4 | fn main() { #[allow(non_snake_case)] fn _doctest_main_src_lib_rs_48_0() {
[INFO] [stdout]    |                                      ---------------------------------- this is not `async`
[INFO] [stdout] ...
[INFO] [stdout] 16 | original_thread.join().await.expect("The thread being joined has panicked");
[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: E0433, E0728.
[INFO] [stdout] For more information about an error, try `rustc --explain E0433`.
[INFO] [stdout] Couldn't compile the test.
[INFO] [stdout] ---- src/lib.rs - spawn (line 340) stdout ----
[INFO] [stdout] error[E0728]: `await` is only allowed inside `async` functions and blocks
[INFO] [stdout]   --> src/lib.rs:356:15
[INFO] [stdout]    |
[INFO] [stdout]  4 | fn main() { #[allow(non_snake_case)] fn _doctest_main_src_lib_rs_340_0() {
[INFO] [stdout]    |                                      ----------------------------------- this is not `async`
[INFO] [stdout] ...
[INFO] [stdout] 19 | sender.join().await.expect("The sender thread has panicked");
[INFO] [stdout]    |               ^^^^^ only allowed inside `async` functions and blocks
[INFO] [stdout] 
[INFO] [stdout] error[E0728]: `await` is only allowed inside `async` functions and blocks
[INFO] [stdout]   --> src/lib.rs:357:17
[INFO] [stdout]    |
[INFO] [stdout]  4 | fn main() { #[allow(non_snake_case)] fn _doctest_main_src_lib_rs_340_0() {
[INFO] [stdout]    |                                      ----------------------------------- this is not `async`
[INFO] [stdout] ...
[INFO] [stdout] 20 | receiver.join().await.expect("The receiver thread has panicked");
[INFO] [stdout]    |                 ^^^^^ only allowed inside `async` functions and blocks
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 2 previous errors
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0728`.
[INFO] [stdout] Couldn't compile the test.
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout]     src/lib.rs - (line 3)
[INFO] [stdout]     src/lib.rs - Builder::name (line 199)
[INFO] [stdout]     src/lib.rs - Builder::new (line 172)
[INFO] [stdout]     src/lib.rs - Builder::spawn (line 256)
[INFO] [stdout]     src/lib.rs - JoinHandle (line 48)
[INFO] [stdout]     src/lib.rs - JoinHandle<T>::join (line 92)
[INFO] [stdout]     src/lib.rs - spawn (line 326)
[INFO] [stdout]     src/lib.rs - spawn (line 340)
[INFO] [stdout]     src/lib.rs - spawn (line 362)
[INFO] [stdout] 
[INFO] [stdout] test result: FAILED. 5 passed; 9 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.86s
[INFO] [stdout] 
[INFO] [stderr] error: doctest failed, to rerun pass `--doc`
[INFO] running `Command { std: "docker" "inspect" "19462dec33ebdc98111e82b4ced796d819b20deb9ac47daaa62c77af8d73417f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "19462dec33ebdc98111e82b4ced796d819b20deb9ac47daaa62c77af8d73417f", kill_on_drop: false }`
[INFO] [stdout] 19462dec33ebdc98111e82b4ced796d819b20deb9ac47daaa62c77af8d73417f
