[INFO] crate tokio-async-attributes 1.0.0 is already in cache
[INFO] testing tokio-async-attributes-1.0.0 against 1.44.0 for beta-1.45-1
[INFO] extracting crate tokio-async-attributes 1.0.0 into /workspace/builds/worker-8/source
[INFO] validating manifest of crates.io crate tokio-async-attributes 1.0.0 on toolchain 1.44.0
[INFO] running `"/workspace/cargo-home/bin/cargo" "+1.44.0" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking crates.io crate tokio-async-attributes 1.0.0
[INFO] finished tweaking crates.io crate tokio-async-attributes 1.0.0
[INFO] tweaked toml for crates.io crate tokio-async-attributes 1.0.0 written to /workspace/builds/worker-8/source/Cargo.toml
[INFO] running `"/workspace/cargo-home/bin/cargo" "+1.44.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/workspace/cargo-home/bin/cargo" "+1.44.0" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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=warn" "-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" "/opt/rustwide/cargo-home/bin/cargo" "+1.44.0" "build" "--frozen"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 66e3620af2e480e26b632fa50d988b18ed4d05bdd3d62c599d1fd8c9a55a079a
[INFO] running `"docker" "start" "-a" "66e3620af2e480e26b632fa50d988b18ed4d05bdd3d62c599d1fd8c9a55a079a"`
[INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted
[INFO] [stderr]    Compiling syn v1.0.30
[INFO] [stderr]    Compiling tokio-async-attributes v1.0.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 13.56s
[INFO] running `"docker" "inspect" "66e3620af2e480e26b632fa50d988b18ed4d05bdd3d62c599d1fd8c9a55a079a"`
[INFO] running `"docker" "rm" "-f" "66e3620af2e480e26b632fa50d988b18ed4d05bdd3d62c599d1fd8c9a55a079a"`
[INFO] [stdout] 66e3620af2e480e26b632fa50d988b18ed4d05bdd3d62c599d1fd8c9a55a079a
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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=warn" "-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" "/opt/rustwide/cargo-home/bin/cargo" "+1.44.0" "test" "--frozen" "--no-run"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 44a50a9fd4cab781b38719c78b3bb95a02692463d99ab73699497a1d0daa2108
[INFO] running `"docker" "start" "-a" "44a50a9fd4cab781b38719c78b3bb95a02692463d99ab73699497a1d0daa2108"`
[INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted
[INFO] [stderr]    Compiling log v0.4.8
[INFO] [stderr]    Compiling futures-io v0.3.5
[INFO] [stderr]    Compiling once_cell v1.4.0
[INFO] [stderr]    Compiling futures-timer v2.0.2
[INFO] [stderr]    Compiling tokio-async-attributes v1.0.0
[INFO] [stderr]    Compiling tokio v0.2.21
[INFO] [stderr]    Compiling mio v0.6.22
[INFO] [stderr]    Compiling mio-uds v0.6.8
[INFO] [stderr]    Compiling tokio-async-std v1.5.3
[INFO] [stderr]    Compiling tokio-async-attributes v1.0.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 10.40s
[INFO] running `"docker" "inspect" "44a50a9fd4cab781b38719c78b3bb95a02692463d99ab73699497a1d0daa2108"`
[INFO] running `"docker" "rm" "-f" "44a50a9fd4cab781b38719c78b3bb95a02692463d99ab73699497a1d0daa2108"`
[INFO] [stdout] 44a50a9fd4cab781b38719c78b3bb95a02692463d99ab73699497a1d0daa2108
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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=warn" "-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" "/opt/rustwide/cargo-home/bin/cargo" "+1.44.0" "test" "--frozen"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 16e9898918c936d8a4c939df193b4af49873b6454429910c9b54ee78e6147356
[INFO] running `"docker" "start" "-a" "16e9898918c936d8a4c939df193b4af49873b6454429910c9b54ee78e6147356"`
[INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/tokio_async_attributes-2d44757c2f98797d
[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
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests tokio-async-attributes
[INFO] [stdout] 
[INFO] [stdout] running 10 tests
[INFO] [stdout] test src/lib.rs - test (line 177) ... FAILED
[INFO] [stdout] test src/lib.rs - test_basic (line 196) ... FAILED
[INFO] [stdout] test src/lib.rs - test_threaded (line 137) ... FAILED
[INFO] [stdout] test src/lib.rs - test (line 168) ... FAILED
[INFO] [stdout] test src/lib.rs - test_threaded (line 146) ... FAILED
[INFO] [stdout] test src/lib.rs - main (line 88) ... FAILED
[INFO] [stdout] test src/lib.rs - main (line 79) ... FAILED
[INFO] [stdout] test src/lib.rs - main_threaded (line 43) ... FAILED
[INFO] [stdout] test src/lib.rs - main_basic (line 114) ... FAILED
[INFO] [stdout] test src/lib.rs - main_threaded (line 52) ... FAILED
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout] 
[INFO] [stdout] ---- src/lib.rs - test (line 177) stdout ----
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared type or module `tokio`
[INFO] [stdout]  --> src/lib.rs:178:3
[INFO] [stdout]   |
[INFO] [stdout] 4 | #[tokio::test]
[INFO] [stdout]   |   ^^^^^ use of undeclared type or module `tokio`
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to previous error
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0433`.
[INFO] [stdout] Couldn't compile the test.
[INFO] [stdout] ---- src/lib.rs - test_basic (line 196) stdout ----
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared type or module `tokio`
[INFO] [stdout]  --> src/lib.rs:197:3
[INFO] [stdout]   |
[INFO] [stdout] 4 | #[tokio::test]
[INFO] [stdout]   |   ^^^^^ use of undeclared type or module `tokio`
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to previous error
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0433`.
[INFO] [stdout] Couldn't compile the test.
[INFO] [stdout] ---- src/lib.rs - test_threaded (line 137) stdout ----
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared type or module `tokio`
[INFO] [stdout]  --> src/lib.rs:138:3
[INFO] [stdout]   |
[INFO] [stdout] 4 | #[tokio::test(core_threads = 1)]
[INFO] [stdout]   |   ^^^^^ use of undeclared type or module `tokio`
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to previous error
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0433`.
[INFO] [stdout] Couldn't compile the test.
[INFO] [stdout] ---- src/lib.rs - test (line 168) stdout ----
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared type or module `tokio`
[INFO] [stdout]  --> src/lib.rs:169:3
[INFO] [stdout]   |
[INFO] [stdout] 4 | #[tokio::test(threaded_scheduler)]
[INFO] [stdout]   |   ^^^^^ use of undeclared type or module `tokio`
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to previous error
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0433`.
[INFO] [stdout] Couldn't compile the test.
[INFO] [stdout] ---- src/lib.rs - test_threaded (line 146) stdout ----
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared type or module `tokio`
[INFO] [stdout]  --> src/lib.rs:147:3
[INFO] [stdout]   |
[INFO] [stdout] 4 | #[tokio::test]
[INFO] [stdout]   |   ^^^^^ use of undeclared type or module `tokio`
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to previous error
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0433`.
[INFO] [stdout] Couldn't compile the test.
[INFO] [stdout] ---- src/lib.rs - main (line 88) stdout ----
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared type or module `tokio`
[INFO] [stdout]  --> src/lib.rs:89:3
[INFO] [stdout]   |
[INFO] [stdout] 3 | #[tokio::main(basic_scheduler)]
[INFO] [stdout]   |   ^^^^^ use of undeclared type or module `tokio`
[INFO] [stdout] 
[INFO] [stdout] error[E0277]: `main` has invalid return type `impl std::future::Future`
[INFO] [stdout]  --> src/lib.rs:90:17
[INFO] [stdout]   |
[INFO] [stdout] 4 | async fn main() {
[INFO] [stdout]   |                 ^ `main` can only return types that implement `std::process::Termination`
[INFO] [stdout]   |
[INFO] [stdout]   = help: consider using `()`, or a `Result`
[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] 4 | async fn main() {
[INFO] [stdout]   | ^^^^^^^^^^^^^^^ `main` function is not allowed to be `async`
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 3 previous errors
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0277, E0433, E0752.
[INFO] [stdout] For more information about an error, try `rustc --explain E0277`.
[INFO] [stdout] Couldn't compile the test.
[INFO] [stdout] ---- src/lib.rs - main (line 79) stdout ----
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared type or module `tokio`
[INFO] [stdout]  --> src/lib.rs:80:3
[INFO] [stdout]   |
[INFO] [stdout] 3 | #[tokio::main]
[INFO] [stdout]   |   ^^^^^ use of undeclared type or module `tokio`
[INFO] [stdout] 
[INFO] [stdout] error[E0277]: `main` has invalid return type `impl std::future::Future`
[INFO] [stdout]  --> src/lib.rs:81:17
[INFO] [stdout]   |
[INFO] [stdout] 4 | async fn main() {
[INFO] [stdout]   |                 ^ `main` can only return types that implement `std::process::Termination`
[INFO] [stdout]   |
[INFO] [stdout]   = help: consider using `()`, or a `Result`
[INFO] [stdout] 
[INFO] [stdout] error[E0752]: `main` function is not allowed to be `async`
[INFO] [stdout]  --> src/lib.rs:81:1
[INFO] [stdout]   |
[INFO] [stdout] 4 | async fn main() {
[INFO] [stdout]   | ^^^^^^^^^^^^^^^ `main` function is not allowed to be `async`
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 3 previous errors
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0277, E0433, E0752.
[INFO] [stdout] For more information about an error, try `rustc --explain E0277`.
[INFO] [stdout] Couldn't compile the test.
[INFO] [stdout] ---- src/lib.rs - main_threaded (line 43) stdout ----
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared type or module `tokio`
[INFO] [stdout]  --> src/lib.rs:44:3
[INFO] [stdout]   |
[INFO] [stdout] 3 | #[tokio::main]
[INFO] [stdout]   |   ^^^^^ use of undeclared type or module `tokio`
[INFO] [stdout] 
[INFO] [stdout] error[E0277]: `main` has invalid return type `impl std::future::Future`
[INFO] [stdout]  --> src/lib.rs:45:17
[INFO] [stdout]   |
[INFO] [stdout] 4 | async fn main() {
[INFO] [stdout]   |                 ^ `main` can only return types that implement `std::process::Termination`
[INFO] [stdout]   |
[INFO] [stdout]   = help: consider using `()`, or a `Result`
[INFO] [stdout] 
[INFO] [stdout] error[E0752]: `main` function is not allowed to be `async`
[INFO] [stdout]  --> src/lib.rs:45:1
[INFO] [stdout]   |
[INFO] [stdout] 4 | async fn main() {
[INFO] [stdout]   | ^^^^^^^^^^^^^^^ `main` function is not allowed to be `async`
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 3 previous errors
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0277, E0433, E0752.
[INFO] [stdout] For more information about an error, try `rustc --explain E0277`.
[INFO] [stdout] Couldn't compile the test.
[INFO] [stdout] ---- src/lib.rs - main_basic (line 114) stdout ----
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared type or module `tokio`
[INFO] [stdout]  --> src/lib.rs:115:3
[INFO] [stdout]   |
[INFO] [stdout] 3 | #[tokio::main]
[INFO] [stdout]   |   ^^^^^ use of undeclared type or module `tokio`
[INFO] [stdout] 
[INFO] [stdout] error[E0277]: `main` has invalid return type `impl std::future::Future`
[INFO] [stdout]  --> src/lib.rs:116:17
[INFO] [stdout]   |
[INFO] [stdout] 4 | async fn main() {
[INFO] [stdout]   |                 ^ `main` can only return types that implement `std::process::Termination`
[INFO] [stdout]   |
[INFO] [stdout]   = help: consider using `()`, or a `Result`
[INFO] [stdout] 
[INFO] [stdout] error[E0752]: `main` function is not allowed to be `async`
[INFO] [stdout]  --> src/lib.rs:116:1
[INFO] [stdout]   |
[INFO] [stdout] 4 | async fn main() {
[INFO] [stdout]   | ^^^^^^^^^^^^^^^ `main` function is not allowed to be `async`
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 3 previous errors
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0277, E0433, E0752.
[INFO] [stdout] For more information about an error, try `rustc --explain E0277`.
[INFO] [stdout] Couldn't compile the test.
[INFO] [stdout] ---- src/lib.rs - main_threaded (line 52) stdout ----
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared type or module `tokio`
[INFO] [stdout]  --> src/lib.rs:53:3
[INFO] [stdout]   |
[INFO] [stdout] 3 | #[tokio::main(core_threads = 1)]
[INFO] [stdout]   |   ^^^^^ use of undeclared type or module `tokio`
[INFO] [stdout] 
[INFO] [stdout] error[E0277]: `main` has invalid return type `impl std::future::Future`
[INFO] [stdout]  --> src/lib.rs:54:17
[INFO] [stdout]   |
[INFO] [stdout] 4 | async fn main() {
[INFO] [stdout]   |                 ^ `main` can only return types that implement `std::process::Termination`
[INFO] [stdout]   |
[INFO] [stdout]   = help: consider using `()`, or a `Result`
[INFO] [stdout] 
[INFO] [stdout] error[E0752]: `main` function is not allowed to be `async`
[INFO] [stdout]  --> src/lib.rs:54:1
[INFO] [stdout]   |
[INFO] [stdout] 4 | async fn main() {
[INFO] [stdout]   | ^^^^^^^^^^^^^^^ `main` function is not allowed to be `async`
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 3 previous errors
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0277, E0433, E0752.
[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 - main (line 79)
[INFO] [stdout]     src/lib.rs - main (line 88)
[INFO] [stdout]     src/lib.rs - main_basic (line 114)
[INFO] [stdout]     src/lib.rs - main_threaded (line 43)
[INFO] [stdout]     src/lib.rs - main_threaded (line 52)
[INFO] [stdout]     src/lib.rs - test (line 168)
[INFO] [stdout]     src/lib.rs - test (line 177)
[INFO] [stdout]     src/lib.rs - test_basic (line 196)
[INFO] [stdout]     src/lib.rs - test_threaded (line 137)
[INFO] [stdout]     src/lib.rs - test_threaded (line 146)
[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 `"docker" "inspect" "16e9898918c936d8a4c939df193b4af49873b6454429910c9b54ee78e6147356"`
[INFO] running `"docker" "rm" "-f" "16e9898918c936d8a4c939df193b4af49873b6454429910c9b54ee78e6147356"`
[INFO] [stdout] 16e9898918c936d8a4c939df193b4af49873b6454429910c9b54ee78e6147356