[INFO] crate tokio 0.2.22 is already in cache
[INFO] testing tokio-0.2.22 against beta-2020-07-24 for beta-1.46-1
[INFO] extracting crate tokio 0.2.22 into /workspace/builds/worker-12/source
[INFO] validating manifest of crates.io crate tokio 0.2.22 on toolchain beta-2020-07-24
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-07-24" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate tokio 0.2.22
[INFO] finished tweaking crates.io crate tokio 0.2.22
[INFO] tweaked toml for crates.io crate tokio 0.2.22 written to /workspace/builds/worker-12/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-07-24" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-07-24" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-07-24" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] a5e11e3e606ed6a9c3fe684fc66810f75f2f3ef4664062d0af8218eddd3f71d1
[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" "a5e11e3e606ed6a9c3fe684fc66810f75f2f3ef4664062d0af8218eddd3f71d1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "a5e11e3e606ed6a9c3fe684fc66810f75f2f3ef4664062d0af8218eddd3f71d1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a5e11e3e606ed6a9c3fe684fc66810f75f2f3ef4664062d0af8218eddd3f71d1", kill_on_drop: false }`
[INFO] [stdout] a5e11e3e606ed6a9c3fe684fc66810f75f2f3ef4664062d0af8218eddd3f71d1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-07-24" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] bf5534992bc844e7faebbe35ea5e425cfcb0e355bc1b20319610c30fe5a54fd8
[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" "bf5534992bc844e7faebbe35ea5e425cfcb0e355bc1b20319610c30fe5a54fd8", kill_on_drop: false }`
[INFO] [stderr]    Compiling tokio v0.2.22 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.26s
[INFO] running `Command { std: "docker" "inspect" "bf5534992bc844e7faebbe35ea5e425cfcb0e355bc1b20319610c30fe5a54fd8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bf5534992bc844e7faebbe35ea5e425cfcb0e355bc1b20319610c30fe5a54fd8", kill_on_drop: false }`
[INFO] [stdout] bf5534992bc844e7faebbe35ea5e425cfcb0e355bc1b20319610c30fe5a54fd8
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-07-24" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 9457161d08a96589ecb10ed294d9ce5b935711676fd979813a3279e372f48490
[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" "9457161d08a96589ecb10ed294d9ce5b935711676fd979813a3279e372f48490", kill_on_drop: false }`
[INFO] [stderr]    Compiling tokio v0.2.22
[INFO] [stderr]    Compiling futures-util v0.3.5
[INFO] [stderr]    Compiling tokio-test v0.2.1
[INFO] [stderr]    Compiling futures-executor v0.3.5
[INFO] [stderr]    Compiling futures v0.3.5
[INFO] [stderr]    Compiling futures-test v0.3.5
[INFO] [stderr]    Compiling tokio v0.2.22 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0433]: failed to resolve: could not find `test` in `tokio`
[INFO] [stdout]  --> tests/net_lookup_host.rs:7:10
[INFO] [stdout]   |
[INFO] [stdout] 7 | #[tokio::test]
[INFO] [stdout]   |          ^^^^ could not find `test` in `tokio`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: could not find `test` in `tokio`
[INFO] [stdout]   --> tests/net_lookup_host.rs:15:10
[INFO] [stdout]    |
[INFO] [stdout] 15 | #[tokio::test]
[INFO] [stdout]    |          ^^^^ could not find `test` in `tokio`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: could not find `test` in `tokio`
[INFO] [stdout]   --> tests/net_lookup_host.rs:23:10
[INFO] [stdout]    |
[INFO] [stdout] 23 | #[tokio::test]
[INFO] [stdout]    |          ^^^^ could not find `test` in `tokio`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0432]: unresolved import `tokio::sync::oneshot`
[INFO] [stdout]  --> tests/macros_join.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | use tokio::sync::oneshot;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^ no `oneshot` in `sync`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: could not find `test` in `tokio`
[INFO] [stdout]  --> tests/macros_join.rs:5:10
[INFO] [stdout]   |
[INFO] [stdout] 5 | #[tokio::test]
[INFO] [stdout]   |          ^^^^ could not find `test` in `tokio`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: could not find `join` in `tokio`
[INFO] [stdout]  --> tests/macros_join.rs:7:22
[INFO] [stdout]   |
[INFO] [stdout] 7 |     let foo = tokio::join!(async { 1 },);
[INFO] [stdout]   |                      ^^^^ could not find `join` in `tokio`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: could not find `test` in `tokio`
[INFO] [stdout]   --> tests/macros_join.rs:12:10
[INFO] [stdout]    |
[INFO] [stdout] 12 | #[tokio::test]
[INFO] [stdout]    |          ^^^^ could not find `test` in `tokio`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: could not find `join` in `tokio`
[INFO] [stdout]   --> tests/macros_join.rs:14:22
[INFO] [stdout]    |
[INFO] [stdout] 14 |     let foo = tokio::join!(async { 1 });
[INFO] [stdout]    |                      ^^^^ could not find `join` in `tokio`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: could not find `test` in `tokio`
[INFO] [stdout]   --> tests/macros_join.rs:19:10
[INFO] [stdout]    |
[INFO] [stdout] 19 | #[tokio::test]
[INFO] [stdout]    |          ^^^^ could not find `test` in `tokio`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: could not find `join` in `tokio`
[INFO] [stdout]   --> tests/macros_join.rs:21:22
[INFO] [stdout]    |
[INFO] [stdout] 21 |     let foo = tokio::join!(async { 1 }, async { 2 },);
[INFO] [stdout]    |                      ^^^^ could not find `join` in `tokio`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: could not find `test` in `tokio`
[INFO] [stdout]   --> tests/macros_join.rs:26:10
[INFO] [stdout]    |
[INFO] [stdout] 26 | #[tokio::test]
[INFO] [stdout]    |          ^^^^ could not find `test` in `tokio`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: could not find `join` in `tokio`
[INFO] [stdout]   --> tests/macros_join.rs:28:22
[INFO] [stdout]    |
[INFO] [stdout] 28 |     let foo = tokio::join!(async { 1 }, async { 2 });
[INFO] [stdout]    |                      ^^^^ could not find `join` in `tokio`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: could not find `test` in `tokio`
[INFO] [stdout]   --> tests/macros_join.rs:33:10
[INFO] [stdout]    |
[INFO] [stdout] 33 | #[tokio::test]
[INFO] [stdout]    |          ^^^^ could not find `test` in `tokio`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: could not find `join` in `tokio`
[INFO] [stdout]   --> tests/macros_join.rs:39:16
[INFO] [stdout]    |
[INFO] [stdout] 39 |         tokio::join!(async { rx1.await.unwrap() }, async { rx2.await.unwrap() })
[INFO] [stdout]    |                ^^^^ could not find `join` in `tokio`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: could not find `join` in `tokio`
[INFO] [stdout]   --> tests/macros_join.rs:62:16
[INFO] [stdout]    |
[INFO] [stdout] 62 |         tokio::join!(ready)
[INFO] [stdout]    |                ^^^^ could not find `join` in `tokio`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: could not find `join` in `tokio`
[INFO] [stdout]   --> tests/macros_join.rs:69:16
[INFO] [stdout]    |
[INFO] [stdout] 69 |         tokio::join!(ready1, ready2)
[INFO] [stdout]    |                ^^^^ could not find `join` in `tokio`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0603]: module `sync` is private
[INFO] [stdout]    --> tests/macros_join.rs:2:12
[INFO] [stdout]     |
[INFO] [stdout] 2   | use tokio::sync::oneshot;
[INFO] [stdout]     |            ^^^^ private module
[INFO] [stdout]     |
[INFO] [stdout] note: the module `sync` is defined here
[INFO] [stdout]    --> /opt/rustwide/workdir/src/lib.rs:384:5
[INFO] [stdout]     |
[INFO] [stdout] 384 |     mod sync;
[INFO] [stdout]     |     ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 14 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0432, E0433, E0603.
[INFO] [stdout] 
[INFO] [stdout] For more information about an error, try `rustc --explain E0432`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `tokio`.
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] error[E0425]: cannot find function `lookup_host` in module `net`
[INFO] [stdout]   --> tests/net_lookup_host.rs:11:34
[INFO] [stdout]    |
[INFO] [stdout] 11 |     let actual = assert_ok!(net::lookup_host(addr).await).collect::<Vec<_>>();
[INFO] [stdout]    |                                  ^^^^^^^^^^^ not found in `net`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0425]: cannot find function `lookup_host` in module `net`
[INFO] [stdout]   --> tests/net_lookup_host.rs:19:34
[INFO] [stdout]    |
[INFO] [stdout] 19 |     let actual = assert_ok!(net::lookup_host("127.0.0.1:8000").await).collect::<Vec<_>>();
[INFO] [stdout]    |                                  ^^^^^^^^^^^ not found in `net`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0425]: cannot find function `lookup_host` in module `net`
[INFO] [stdout]   --> tests/net_lookup_host.rs:25:26
[INFO] [stdout]    |
[INFO] [stdout] 25 |     let mut hosts = net::lookup_host("localhost:3000").await?;
[INFO] [stdout]    |                          ^^^^^^^^^^^ not found in `net`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0432]: unresolved imports `tokio::stream`, `tokio::stream`
[INFO] [stdout]  --> tests/stream_once.rs:1:12
[INFO] [stdout]   |
[INFO] [stdout] 1 | use tokio::stream::{self, Stream, StreamExt};
[INFO] [stdout]   |            ^^^^^^   ^^^^ no `stream` in the root
[INFO] [stdout]   |            |
[INFO] [stdout]   |            could not find `stream` in `tokio`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: could not find `test` in `tokio`
[INFO] [stdout]  --> tests/stream_once.rs:3:10
[INFO] [stdout]   |
[INFO] [stdout] 3 | #[tokio::test]
[INFO] [stdout]   |          ^^^^ could not find `test` in `tokio`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0698]: type inside `async fn` body must be known in this context
[INFO] [stdout]  --> tests/stream_once.rs:8:21
[INFO] [stdout]   |
[INFO] [stdout] 8 |     assert_eq!(Some(1), one.next().await);
[INFO] [stdout]   |                     ^ cannot infer type for type `{integer}`
[INFO] [stdout]   |
[INFO] [stdout] note: the type is part of the `async fn` body because of this `await`
[INFO] [stdout]  --> tests/stream_once.rs:8:25
[INFO] [stdout]   |
[INFO] [stdout] 8 |     assert_eq!(Some(1), one.next().await);
[INFO] [stdout]   |                         ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0698]: type inside `async fn` body must be known in this context
[INFO] [stdout]  --> tests/stream_once.rs:8:16
[INFO] [stdout]   |
[INFO] [stdout] 8 |     assert_eq!(Some(1), one.next().await);
[INFO] [stdout]   |                ^^^^^^^ cannot infer type for type `{integer}`
[INFO] [stdout]   |
[INFO] [stdout] note: the type is part of the `async fn` body because of this `await`
[INFO] [stdout]  --> tests/stream_once.rs:8:25
[INFO] [stdout]   |
[INFO] [stdout] 8 |     assert_eq!(Some(1), one.next().await);
[INFO] [stdout]   |                         ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0698]: type inside `async fn` body must be known in this context
[INFO] [stdout]  --> tests/stream_once.rs:8:5
[INFO] [stdout]   |
[INFO] [stdout] 8 |     assert_eq!(Some(1), one.next().await);
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ cannot infer type for type `{integer}`
[INFO] [stdout]   |
[INFO] [stdout] note: the type is part of the `async fn` body because of this `await`
[INFO] [stdout]  --> tests/stream_once.rs:8:25
[INFO] [stdout]   |
[INFO] [stdout] 8 |     assert_eq!(Some(1), one.next().await);
[INFO] [stdout]   |                         ^^^^^^^^^^^^^^^^
[INFO] [stdout]   = note: this error originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 6 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0425, E0433.
[INFO] [stdout] 
[INFO] [stdout] For more information about an error, try `rustc --explain E0425`.
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 5 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0432, E0433, E0698.
[INFO] [stdout] 
[INFO] [stdout] For more information about an error, try `rustc --explain E0432`.
[INFO] [stdout] 
[INFO] [stderr] error: build failed
[INFO] running `Command { std: "docker" "inspect" "9457161d08a96589ecb10ed294d9ce5b935711676fd979813a3279e372f48490", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9457161d08a96589ecb10ed294d9ce5b935711676fd979813a3279e372f48490", kill_on_drop: false }`
[INFO] [stdout] 9457161d08a96589ecb10ed294d9ce5b935711676fd979813a3279e372f48490