[INFO] fetching crate wasm-mt 0.1.0...
[INFO] testing wasm-mt-0.1.0 against master#8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e for pr-74409
[INFO] extracting crate wasm-mt 0.1.0 into /workspace/builds/worker-9/source
[INFO] validating manifest of crates.io crate wasm-mt 0.1.0 on toolchain 8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate wasm-mt 0.1.0
[INFO] finished tweaking crates.io crate wasm-mt 0.1.0
[INFO] tweaked toml for crates.io crate wasm-mt 0.1.0 written to /workspace/builds/worker-9/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env@sha256:38e1b949b06cde1964af550a6e548bd9b2b2ea170003ae122f8fc0886596cc07" "/opt/rustwide/cargo-home/bin/cargo" "+8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e" "metadata" "--no-deps" "--format-version=1", 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] 336989a682a58de6b0048f75661a61a4f00881a39a44fe35e24677430e89a3ef
[INFO] running `Command { std: "docker" "start" "-a" "336989a682a58de6b0048f75661a61a4f00881a39a44fe35e24677430e89a3ef", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "336989a682a58de6b0048f75661a61a4f00881a39a44fe35e24677430e89a3ef", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "336989a682a58de6b0048f75661a61a4f00881a39a44fe35e24677430e89a3ef", kill_on_drop: false }`
[INFO] [stdout] 336989a682a58de6b0048f75661a61a4f00881a39a44fe35e24677430e89a3ef
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env@sha256:38e1b949b06cde1964af550a6e548bd9b2b2ea170003ae122f8fc0886596cc07" "/opt/rustwide/cargo-home/bin/cargo" "+8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] fb640c46e38c093cd98cdcf1823e9dfda97490fe8d0509732b5a2ce5f08bcc6c
[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" "fb640c46e38c093cd98cdcf1823e9dfda97490fe8d0509732b5a2ce5f08bcc6c", kill_on_drop: false }`
[INFO] [stderr]    Compiling typenum v1.12.0
[INFO] [stderr]    Compiling rustc_version v0.2.3
[INFO] [stderr]    Compiling quote v1.0.7
[INFO] [stderr]    Compiling getrandom v0.1.14
[INFO] [stderr]    Compiling nix v0.15.0
[INFO] [stderr]    Compiling rand_core v0.5.1
[INFO] [stderr]    Compiling procinfo v0.4.2
[INFO] [stderr]    Compiling syn v1.0.35
[INFO] [stderr]    Compiling rand_chacha v0.2.2
[INFO] [stderr]    Compiling rand v0.7.3
[INFO] [stderr]    Compiling generic-array v0.12.3
[INFO] [stderr]    Compiling generic-array v0.13.2
[INFO] [stderr]    Compiling as-slice v0.1.3
[INFO] [stderr]    Compiling heapless v0.5.5
[INFO] [stderr]    Compiling wasm-bindgen-backend v0.2.65
[INFO] [stderr]    Compiling palaver v0.2.8
[INFO] [stderr]    Compiling wasm-bindgen-macro-support v0.2.65
[INFO] [stderr]    Compiling serde_derive v1.0.114
[INFO] [stderr]    Compiling serde_closure_derive v0.2.14
[INFO] [stderr]    Compiling wasm-bindgen-macro v0.2.65
[INFO] [stderr]    Compiling wasm-bindgen v0.2.65
[INFO] [stderr]    Compiling js-sys v0.3.42
[INFO] [stderr]    Compiling wasm-bindgen-futures v0.4.15
[INFO] [stderr]    Compiling web-sys v0.3.42
[INFO] [stderr]    Compiling serde v1.0.114
[INFO] [stderr]    Compiling uuid v0.8.1
[INFO] [stderr]    Compiling erased-serde v0.3.12
[INFO] [stderr]    Compiling bincode v1.3.1
[INFO] [stderr]    Compiling serde_closure v0.2.14
[INFO] [stderr]    Compiling build_id v0.2.1
[INFO] [stderr]    Compiling relative v0.2.2
[INFO] [stderr]    Compiling serde_traitobject v0.2.7
[INFO] [stderr]    Compiling wasm-mt v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1m 21s
[INFO] running `Command { std: "docker" "inspect" "fb640c46e38c093cd98cdcf1823e9dfda97490fe8d0509732b5a2ce5f08bcc6c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fb640c46e38c093cd98cdcf1823e9dfda97490fe8d0509732b5a2ce5f08bcc6c", kill_on_drop: false }`
[INFO] [stdout] fb640c46e38c093cd98cdcf1823e9dfda97490fe8d0509732b5a2ce5f08bcc6c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env@sha256:38e1b949b06cde1964af550a6e548bd9b2b2ea170003ae122f8fc0886596cc07" "/opt/rustwide/cargo-home/bin/cargo" "+8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 0c2dfe84d23cd6da3cbe8ab84452ac66b99a42d54d43c4ff42f2a5fdc91e74dc
[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" "0c2dfe84d23cd6da3cbe8ab84452ac66b99a42d54d43c4ff42f2a5fdc91e74dc", kill_on_drop: false }`
[INFO] [stderr]    Compiling scoped-tls v1.0.0
[INFO] [stderr]    Compiling wasm-bindgen-test-macro v0.3.15
[INFO] [stderr]    Compiling console_error_panic_hook v0.1.6
[INFO] [stderr]    Compiling wasm-bindgen-test v0.3.15
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 2.51s
[INFO] running `Command { std: "docker" "inspect" "0c2dfe84d23cd6da3cbe8ab84452ac66b99a42d54d43c4ff42f2a5fdc91e74dc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0c2dfe84d23cd6da3cbe8ab84452ac66b99a42d54d43c4ff42f2a5fdc91e74dc", kill_on_drop: false }`
[INFO] [stdout] 0c2dfe84d23cd6da3cbe8ab84452ac66b99a42d54d43c4ff42f2a5fdc91e74dc
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env@sha256:38e1b949b06cde1964af550a6e548bd9b2b2ea170003ae122f8fc0886596cc07" "/opt/rustwide/cargo-home/bin/cargo" "+8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e" "test" "--frozen", 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] aec08a1ace79a352f77f03ba0315f2c25e987332311a882217f1db4ac3f2ff16
[INFO] running `Command { std: "docker" "start" "-a" "aec08a1ace79a352f77f03ba0315f2c25e987332311a882217f1db4ac3f2ff16", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.18s
[INFO] [stderr]    Doc-tests wasm-mt
[INFO] [stdout] 
[INFO] [stdout] running 10 tests
[INFO] [stdout] test src/lib.rs - (line 158) ... FAILED
[INFO] [stdout] test src/lib.rs - (line 37) ... FAILED
[INFO] [stdout] test src/lib.rs - (line 47) ... FAILED
[INFO] [stdout] test src/lib.rs - (line 79) ... FAILED
[INFO] [stdout] test src/lib.rs - (line 56) ... FAILED
[INFO] [stdout] test src/lib.rs - (line 100) ... FAILED
[INFO] [stdout] test src/lib.rs - (line 64) ... FAILED
[INFO] [stdout] test src/lib.rs - (line 138) ... FAILED
[INFO] [stdout] test src/lib.rs - (line 128) ... FAILED
[INFO] [stdout] test src/lib.rs - (line 110) ... FAILED
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout] 
[INFO] [stdout] ---- src/lib.rs - (line 158) stdout ----
[INFO] [stdout] error: unknown start of token: \u{1f525}
[INFO] [stdout]  --> src/lib.rs:159:1
[INFO] [stdout]   |
[INFO] [stdout] 3 | 🔥 serial executor:
[INFO] [stdout]   | ^^
[INFO] [stdout] 
[INFO] [stdout] error: unknown start of token: \u{1f525}
[INFO] [stdout]   --> src/lib.rs:168:1
[INFO] [stdout]    |
[INFO] [stdout] 12 | 🔥 parallel executor:
[INFO] [stdout]    | ^^
[INFO] [stdout] 
[INFO] [stdout] error: expected one of `!`, `.`, `::`, `;`, `?`, `{`, `}`, or an operator, found `executor`
[INFO] [stdout]  --> src/lib.rs:159:10
[INFO] [stdout]   |
[INFO] [stdout] 3 | 🔥 serial executor:
[INFO] [stdout]   |           ^^^^^^^^ expected one of 8 possible tokens
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 3 previous errors
[INFO] [stdout] 
[INFO] [stdout] Couldn't compile the test.
[INFO] [stdout] ---- src/lib.rs - (line 37) stdout ----
[INFO] [stdout] error: expected one of `.`, `;`, `?`, `}`, or an operator, found `serde`
[INFO] [stdout]  --> src/lib.rs:39:1
[INFO] [stdout]   |
[INFO] [stdout] 3 | wasm-mt = "0.1"
[INFO] [stdout]   |                - expected one of `.`, `;`, `?`, `}`, or an operator
[INFO] [stdout] 4 | serde = { version = "1.0", features = ["derive"] }
[INFO] [stdout]   | ^^^^^ unexpected token
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to previous error
[INFO] [stdout] 
[INFO] [stdout] Couldn't compile the test.
[INFO] [stdout] ---- src/lib.rs - (line 47) stdout ----
[INFO] [stdout] error[E0728]: `await` is only allowed inside `async` functions and blocks
[INFO] [stdout]  --> src/lib.rs:51:10
[INFO] [stdout]   |
[INFO] [stdout] 3 | fn main() {
[INFO] [stdout]   |    ---- this is not `async`
[INFO] [stdout] ...
[INFO] [stdout] 7 | let mt = WasmMt::new(pkg_js).and_init().await.unwrap();
[INFO] [stdout]   |          ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ only allowed inside `async` functions and blocks
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 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 - (line 79) stdout ----
[INFO] [stdout] error: cannot find macro `exec` in this scope
[INFO] [stdout]   --> src/lib.rs:88:11
[INFO] [stdout]    |
[INFO] [stdout] 12 | let ans = exec!(th, async move || {
[INFO] [stdout]    |           ^^^^
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared type or module `JsValue`
[INFO] [stdout]   --> src/lib.rs:93:17
[INFO] [stdout]    |
[INFO] [stdout] 17 | assert_eq!(ans, JsValue::from(-1));
[INFO] [stdout]    |                 ^^^^^^^ not found in this scope
[INFO] [stdout]    |
[INFO] [stdout] help: consider importing this struct
[INFO] [stdout]    |
[INFO] [stdout] 9  | use wasm_bindgen::JsValue;
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] error[E0728]: `await` is only allowed inside `async` functions and blocks
[INFO] [stdout]   --> src/lib.rs:88:11
[INFO] [stdout]    |
[INFO] [stdout] 9  |   fn main() {
[INFO] [stdout]    |      ---- this is not `async`
[INFO] [stdout] ...
[INFO] [stdout] 12 |   let ans = exec!(th, async move || {
[INFO] [stdout]    |  ___________^
[INFO] [stdout] 13 | |     let c = sub(a, b).await;
[INFO] [stdout] 14 | |
[INFO] [stdout] 15 | |     Ok(JsValue::from(c))
[INFO] [stdout] 16 | | }).await?;
[INFO] [stdout]    | |________^ only allowed inside `async` functions and blocks
[INFO] [stdout] 
[INFO] [stdout] error[E0277]: the `?` operator can only be used in a function that returns `Result` or `Option` (or another type that implements `std::ops::Try`)
[INFO] [stdout]   --> src/lib.rs:88:11
[INFO] [stdout]    |
[INFO] [stdout] 9  |  / fn main() {
[INFO] [stdout] 10 |  | let a = 1;
[INFO] [stdout] 11 |  | let b = 2;
[INFO] [stdout] 12 |  | let ans = exec!(th, async move || {
[INFO] [stdout]    |  |___________^
[INFO] [stdout] 13 | ||     let c = sub(a, b).await;
[INFO] [stdout] 14 | ||
[INFO] [stdout] 15 | ||     Ok(JsValue::from(c))
[INFO] [stdout] 16 | || }).await?;
[INFO] [stdout]    | ||_________^ cannot use the `?` operator in a function that returns `()`
[INFO] [stdout] 17 |  | assert_eq!(ans, JsValue::from(-1));
[INFO] [stdout] 18 |  | }
[INFO] [stdout]    |  |_- this function should return `Result` or `Option` to accept `?`
[INFO] [stdout]    |
[INFO] [stdout]    = help: the trait `std::ops::Try` is not implemented for `()`
[INFO] [stdout]    = note: required by `std::ops::Try::from_error`
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 4 previous errors
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0277, E0433, E0728.
[INFO] [stdout] For more information about an error, try `rustc --explain E0277`.
[INFO] [stdout] Couldn't compile the test.
[INFO] [stdout] ---- src/lib.rs - (line 56) stdout ----
[INFO] [stdout] error[E0425]: cannot find value `mt` in this scope
[INFO] [stdout]  --> src/lib.rs:57:10
[INFO] [stdout]   |
[INFO] [stdout] 3 | let th = mt.thread().and_init().await.unwrap();
[INFO] [stdout]   |          ^^ not found in this scope
[INFO] [stdout] 
[INFO] [stdout] error[E0728]: `await` is only allowed inside `async` functions and blocks
[INFO] [stdout]  --> src/lib.rs:57:10
[INFO] [stdout]   |
[INFO] [stdout] 2 | fn main() {
[INFO] [stdout]   |    ---- this is not `async`
[INFO] [stdout] 3 | let th = mt.thread().and_init().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: 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 - (line 100) stdout ----
[INFO] [stdout] error: cannot find macro `exec_js` in this scope
[INFO] [stdout]  --> src/lib.rs:101:11
[INFO] [stdout]   |
[INFO] [stdout] 3 | let ans = exec_js!(th, "
[INFO] [stdout]   |           ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared type or module `JsValue`
[INFO] [stdout]  --> src/lib.rs:105:17
[INFO] [stdout]   |
[INFO] [stdout] 7 | assert_eq!(ans, JsValue::from(3));
[INFO] [stdout]   |                 ^^^^^^^ not found in this scope
[INFO] [stdout]   |
[INFO] [stdout] help: consider importing this struct
[INFO] [stdout]   |
[INFO] [stdout] 2 | use wasm_bindgen::JsValue;
[INFO] [stdout]   |
[INFO] [stdout] 
[INFO] [stdout] error[E0728]: `await` is only allowed inside `async` functions and blocks
[INFO] [stdout]  --> src/lib.rs:101:11
[INFO] [stdout]   |
[INFO] [stdout] 2 |   fn main() {
[INFO] [stdout]   |      ---- this is not `async`
[INFO] [stdout] 3 |   let ans = exec_js!(th, "
[INFO] [stdout]   |  ___________^
[INFO] [stdout] 4 | |     const add = (a, b) => a + b;
[INFO] [stdout] 5 | |     return add(1, 2);
[INFO] [stdout] 6 | | ").await?;
[INFO] [stdout]   | |________^ only allowed inside `async` functions and blocks
[INFO] [stdout] 
[INFO] [stdout] error[E0277]: the `?` operator can only be used in a function that returns `Result` or `Option` (or another type that implements `std::ops::Try`)
[INFO] [stdout]  --> src/lib.rs:101:11
[INFO] [stdout]   |
[INFO] [stdout] 2 |  / fn main() {
[INFO] [stdout] 3 |  | let ans = exec_js!(th, "
[INFO] [stdout]   |  |___________^
[INFO] [stdout] 4 | ||     const add = (a, b) => a + b;
[INFO] [stdout] 5 | ||     return add(1, 2);
[INFO] [stdout] 6 | || ").await?;
[INFO] [stdout]   | ||_________^ cannot use the `?` operator in a function that returns `()`
[INFO] [stdout] 7 |  | assert_eq!(ans, JsValue::from(3));
[INFO] [stdout] 8 |  | }
[INFO] [stdout]   |  |_- this function should return `Result` or `Option` to accept `?`
[INFO] [stdout]   |
[INFO] [stdout]   = help: the trait `std::ops::Try` is not implemented for `()`
[INFO] [stdout]   = note: required by `std::ops::Try::from_error`
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 4 previous errors
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0277, E0433, E0728.
[INFO] [stdout] For more information about an error, try `rustc --explain E0277`.
[INFO] [stdout] Couldn't compile the test.
[INFO] [stdout] ---- src/lib.rs - (line 64) stdout ----
[INFO] [stdout] error: cannot find macro `exec` in this scope
[INFO] [stdout]  --> src/lib.rs:69:11
[INFO] [stdout]   |
[INFO] [stdout] 7 | let ans = exec!(th, move || {
[INFO] [stdout]   |           ^^^^
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared type or module `JsValue`
[INFO] [stdout]   --> src/lib.rs:74:17
[INFO] [stdout]    |
[INFO] [stdout] 12 | assert_eq!(ans, JsValue::from(3));
[INFO] [stdout]    |                 ^^^^^^^ not found in this scope
[INFO] [stdout]    |
[INFO] [stdout] help: consider importing this struct
[INFO] [stdout]    |
[INFO] [stdout] 4  | use wasm_bindgen::JsValue;
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] error[E0728]: `await` is only allowed inside `async` functions and blocks
[INFO] [stdout]   --> src/lib.rs:69:11
[INFO] [stdout]    |
[INFO] [stdout] 4  |   fn main() {
[INFO] [stdout]    |      ---- this is not `async`
[INFO] [stdout] ...
[INFO] [stdout] 7  |   let ans = exec!(th, move || {
[INFO] [stdout]    |  ___________^
[INFO] [stdout] 8  | |     let c = add(a, b);
[INFO] [stdout] 9  | |
[INFO] [stdout] 10 | |     Ok(JsValue::from(c))
[INFO] [stdout] 11 | | }).await?;
[INFO] [stdout]    | |________^ only allowed inside `async` functions and blocks
[INFO] [stdout] 
[INFO] [stdout] error[E0277]: the `?` operator can only be used in a function that returns `Result` or `Option` (or another type that implements `std::ops::Try`)
[INFO] [stdout]   --> src/lib.rs:69:11
[INFO] [stdout]    |
[INFO] [stdout] 4  |  / fn main() {
[INFO] [stdout] 5  |  | let a = 1;
[INFO] [stdout] 6  |  | let b = 2;
[INFO] [stdout] 7  |  | let ans = exec!(th, move || {
[INFO] [stdout]    |  |___________^
[INFO] [stdout] 8  | ||     let c = add(a, b);
[INFO] [stdout] 9  | ||
[INFO] [stdout] 10 | ||     Ok(JsValue::from(c))
[INFO] [stdout] 11 | || }).await?;
[INFO] [stdout]    | ||_________^ cannot use the `?` operator in a function that returns `()`
[INFO] [stdout] 12 |  | assert_eq!(ans, JsValue::from(3));
[INFO] [stdout] 13 |  | }
[INFO] [stdout]    |  |_- this function should return `Result` or `Option` to accept `?`
[INFO] [stdout]    |
[INFO] [stdout]    = help: the trait `std::ops::Try` is not implemented for `()`
[INFO] [stdout]    = note: required by `std::ops::Try::from_error`
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 4 previous errors
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0277, E0433, E0728.
[INFO] [stdout] For more information about an error, try `rustc --explain E0277`.
[INFO] [stdout] Couldn't compile the test.
[INFO] [stdout] ---- src/lib.rs - (line 138) stdout ----
[INFO] [stdout] error: cannot find macro `console_ln` in this scope
[INFO] [stdout]   --> src/lib.rs:151:9
[INFO] [stdout]    |
[INFO] [stdout] 15 |         console_ln!("ans: {:?}", ans);
[INFO] [stdout]    |         ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] error: cannot find macro `exec` in this scope
[INFO] [stdout]   --> src/lib.rs:150:19
[INFO] [stdout]    |
[INFO] [stdout] 14 |         let ans = exec!(th, move || Ok(JsValue::from(42))).await.unwrap();
[INFO] [stdout]    |                   ^^^^
[INFO] [stdout] 
[INFO] [stdout] error: cannot find macro `console_ln` in this scope
[INFO] [stdout]   --> src/lib.rs:149:9
[INFO] [stdout]    |
[INFO] [stdout] 13 |         console_ln!("starting a thread");
[INFO] [stdout]    |         ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] error: cannot find macro `console_ln` in this scope
[INFO] [stdout]   --> src/lib.rs:146:1
[INFO] [stdout]    |
[INFO] [stdout] 10 | console_ln!("🔥 parallel executor:");
[INFO] [stdout]    | ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] error: cannot find macro `console_ln` in this scope
[INFO] [stdout]  --> src/lib.rs:143:5
[INFO] [stdout]   |
[INFO] [stdout] 7 |     console_ln!("ans: {:?}", ans);
[INFO] [stdout]   |     ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] error: cannot find macro `exec` in this scope
[INFO] [stdout]  --> src/lib.rs:142:15
[INFO] [stdout]   |
[INFO] [stdout] 6 |     let ans = exec!(th, move || Ok(JsValue::from(42))).await?;
[INFO] [stdout]   |               ^^^^
[INFO] [stdout] 
[INFO] [stdout] error: cannot find macro `console_ln` in this scope
[INFO] [stdout]  --> src/lib.rs:141:5
[INFO] [stdout]   |
[INFO] [stdout] 5 |     console_ln!("starting a thread");
[INFO] [stdout]   |     ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] error: cannot find macro `console_ln` in this scope
[INFO] [stdout]  --> src/lib.rs:139:1
[INFO] [stdout]   |
[INFO] [stdout] 3 | console_ln!("🔥 serial executor:");
[INFO] [stdout]   | ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] error[E0425]: cannot find value `v` in this scope
[INFO] [stdout]  --> src/lib.rs:140:12
[INFO] [stdout]   |
[INFO] [stdout] 4 | for th in &v {
[INFO] [stdout]   |            ^ not found in this scope
[INFO] [stdout] 
[INFO] [stdout] error[E0425]: cannot find value `v` in this scope
[INFO] [stdout]   --> src/lib.rs:147:11
[INFO] [stdout]    |
[INFO] [stdout] 11 | for th in v {
[INFO] [stdout]    |           ^ not found in this scope
[INFO] [stdout] 
[INFO] [stdout] error[E0425]: cannot find function `spawn_local` in this scope
[INFO] [stdout]   --> src/lib.rs:148:5
[INFO] [stdout]    |
[INFO] [stdout] 12 |     spawn_local(async move {
[INFO] [stdout]    |     ^^^^^^^^^^^ not found in this scope
[INFO] [stdout]    |
[INFO] [stdout] help: consider importing this function
[INFO] [stdout]    |
[INFO] [stdout] 2  | use wasm_bindgen_futures::spawn_local;
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] error[E0728]: `await` is only allowed inside `async` functions and blocks
[INFO] [stdout]  --> src/lib.rs:142:15
[INFO] [stdout]   |
[INFO] [stdout] 2 | fn main() {
[INFO] [stdout]   |    ---- this is not `async`
[INFO] [stdout] ...
[INFO] [stdout] 6 |     let ans = exec!(th, move || Ok(JsValue::from(42))).await?;
[INFO] [stdout]   |               ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ only allowed inside `async` functions and blocks
[INFO] [stdout] 
[INFO] [stdout] error[E0277]: the `?` operator can only be used in a function that returns `Result` or `Option` (or another type that implements `std::ops::Try`)
[INFO] [stdout]   --> src/lib.rs:142:15
[INFO] [stdout]    |
[INFO] [stdout] 2  | / fn main() {
[INFO] [stdout] 3  | | console_ln!("🔥 serial executor:");
[INFO] [stdout] 4  | | for th in &v {
[INFO] [stdout] 5  | |     console_ln!("starting a thread");
[INFO] [stdout] 6  | |     let ans = exec!(th, move || Ok(JsValue::from(42))).await?;
[INFO] [stdout]    | |               ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ cannot use the `?` operator in a function that returns `()`
[INFO] [stdout] ...  |
[INFO] [stdout] 17 | | }
[INFO] [stdout] 18 | | }
[INFO] [stdout]    | |_- this function should return `Result` or `Option` to accept `?`
[INFO] [stdout]    |
[INFO] [stdout]    = help: the trait `std::ops::Try` is not implemented for `()`
[INFO] [stdout]    = note: required by `std::ops::Try::from_error`
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 13 previous errors
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0277, E0425, E0728.
[INFO] [stdout] For more information about an error, try `rustc --explain E0277`.
[INFO] [stdout] Couldn't compile the test.
[INFO] [stdout] ---- src/lib.rs - (line 128) stdout ----
[INFO] [stdout] error[E0425]: cannot find value `mt` in this scope
[INFO] [stdout]  --> src/lib.rs:131:14
[INFO] [stdout]   |
[INFO] [stdout] 6 |     let th = mt.thread().and_init().await?;
[INFO] [stdout]   |              ^^ not found in this scope
[INFO] [stdout] 
[INFO] [stdout] error[E0728]: `await` is only allowed inside `async` functions and blocks
[INFO] [stdout]  --> src/lib.rs:131:14
[INFO] [stdout]   |
[INFO] [stdout] 3 | fn main() {
[INFO] [stdout]   |    ---- this is not `async`
[INFO] [stdout] ...
[INFO] [stdout] 6 |     let th = mt.thread().and_init().await?;
[INFO] [stdout]   |              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^ only allowed inside `async` functions and blocks
[INFO] [stdout] 
[INFO] [stdout] error[E0277]: the `?` operator can only be used in a function that returns `Result` or `Option` (or another type that implements `std::ops::Try`)
[INFO] [stdout]  --> src/lib.rs:131:14
[INFO] [stdout]   |
[INFO] [stdout] 3 | / fn main() {
[INFO] [stdout] 4 | | let mut v: Vec<wasm_mt::Thread> = vec![];
[INFO] [stdout] 5 | | for i in 0..4 {
[INFO] [stdout] 6 | |     let th = mt.thread().and_init().await?;
[INFO] [stdout]   | |              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ cannot use the `?` operator in a function that returns `()`
[INFO] [stdout] 7 | |     v.push(th);
[INFO] [stdout] 8 | | }
[INFO] [stdout] 9 | | }
[INFO] [stdout]   | |_- this function should return `Result` or `Option` to accept `?`
[INFO] [stdout]   |
[INFO] [stdout]   = help: the trait `std::ops::Try` is not implemented for `()`
[INFO] [stdout]   = note: required by `std::ops::Try::from_error`
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 3 previous errors
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0277, E0425, E0728.
[INFO] [stdout] For more information about an error, try `rustc --explain E0277`.
[INFO] [stdout] Couldn't compile the test.
[INFO] [stdout] ---- src/lib.rs - (line 110) stdout ----
[INFO] [stdout] error: cannot find macro `exec_js_async` in this scope
[INFO] [stdout]  --> src/lib.rs:111:11
[INFO] [stdout]   |
[INFO] [stdout] 3 | let ans = exec_js_async!(th, "
[INFO] [stdout]   |           ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared type or module `JsValue`
[INFO] [stdout]  --> src/lib.rs:117:17
[INFO] [stdout]   |
[INFO] [stdout] 9 | assert_eq!(ans, JsValue::from(-1));
[INFO] [stdout]   |                 ^^^^^^^ not found in this scope
[INFO] [stdout]   |
[INFO] [stdout] help: consider importing this struct
[INFO] [stdout]   |
[INFO] [stdout] 2 | use wasm_bindgen::JsValue;
[INFO] [stdout]   |
[INFO] [stdout] 
[INFO] [stdout] error[E0728]: `await` is only allowed inside `async` functions and blocks
[INFO] [stdout]  --> src/lib.rs:111:11
[INFO] [stdout]   |
[INFO] [stdout] 2 |   fn main() {
[INFO] [stdout]   |      ---- this is not `async`
[INFO] [stdout] 3 |   let ans = exec_js_async!(th, "
[INFO] [stdout]   |  ___________^
[INFO] [stdout] 4 | |     const sub = (a, b) => new Promise(resolve => {
[INFO] [stdout] 5 | |         setTimeout(() => resolve(a - b), 1000);
[INFO] [stdout] 6 | |     });
[INFO] [stdout] 7 | |     return await sub(1, 2);
[INFO] [stdout] 8 | | ").await?;
[INFO] [stdout]   | |________^ only allowed inside `async` functions and blocks
[INFO] [stdout] 
[INFO] [stdout] error[E0277]: the `?` operator can only be used in a function that returns `Result` or `Option` (or another type that implements `std::ops::Try`)
[INFO] [stdout]   --> src/lib.rs:111:11
[INFO] [stdout]    |
[INFO] [stdout] 2  |  / fn main() {
[INFO] [stdout] 3  |  | let ans = exec_js_async!(th, "
[INFO] [stdout]    |  |___________^
[INFO] [stdout] 4  | ||     const sub = (a, b) => new Promise(resolve => {
[INFO] [stdout] 5  | ||         setTimeout(() => resolve(a - b), 1000);
[INFO] [stdout] 6  | ||     });
[INFO] [stdout] 7  | ||     return await sub(1, 2);
[INFO] [stdout] 8  | || ").await?;
[INFO] [stdout]    | ||_________^ cannot use the `?` operator in a function that returns `()`
[INFO] [stdout] 9  |  | assert_eq!(ans, JsValue::from(-1));
[INFO] [stdout] 10 |  | }
[INFO] [stdout]    |  |_- this function should return `Result` or `Option` to accept `?`
[INFO] [stdout]    |
[INFO] [stdout]    = help: the trait `std::ops::Try` is not implemented for `()`
[INFO] [stdout]    = note: required by `std::ops::Try::from_error`
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 4 previous errors
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0277, E0433, E0728.
[INFO] [stdout] For more information about an error, try `rustc --explain E0277`.
[INFO] [stdout] Couldn't compile the test.
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout]     src/lib.rs - (line 100)
[INFO] [stdout]     src/lib.rs - (line 110)
[INFO] [stdout]     src/lib.rs - (line 128)
[INFO] [stdout]     src/lib.rs - (line 138)
[INFO] [stdout]     src/lib.rs - (line 158)
[INFO] [stdout]     src/lib.rs - (line 37)
[INFO] [stdout]     src/lib.rs - (line 47)
[INFO] [stdout]     src/lib.rs - (line 56)
[INFO] [stdout]     src/lib.rs - (line 64)
[INFO] [stdout]     src/lib.rs - (line 79)
[INFO] [stdout] 
[INFO] [stdout] test result: FAILED. 0 passed; 10 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stderr] error: test failed, to rerun pass '--doc'
[INFO] running `Command { std: "docker" "inspect" "aec08a1ace79a352f77f03ba0315f2c25e987332311a882217f1db4ac3f2ff16", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "aec08a1ace79a352f77f03ba0315f2c25e987332311a882217f1db4ac3f2ff16", kill_on_drop: false }`
[INFO] [stdout] aec08a1ace79a352f77f03ba0315f2c25e987332311a882217f1db4ac3f2ff16