[INFO] fetching crate futures-cputask 0.3.0...
[INFO] checking futures-cputask-0.3.0 against master#936f2600b6c903b04387f74ed5cbce88bb06d243 for pr-91141
[INFO] extracting crate futures-cputask 0.3.0 into /workspace/builds/worker-6/source
[INFO] validating manifest of crates.io crate futures-cputask 0.3.0 on toolchain 936f2600b6c903b04387f74ed5cbce88bb06d243
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+936f2600b6c903b04387f74ed5cbce88bb06d243" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate futures-cputask 0.3.0
[INFO] finished tweaking crates.io crate futures-cputask 0.3.0
[INFO] tweaked toml for crates.io crate futures-cputask 0.3.0 written to /workspace/builds/worker-6/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+936f2600b6c903b04387f74ed5cbce88bb06d243" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+936f2600b6c903b04387f74ed5cbce88bb06d243" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+936f2600b6c903b04387f74ed5cbce88bb06d243" "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] d27c394decd4bfd5ca0e103e7bc59cef58cb320d0aa5136525d0da001322be92
[INFO] running `Command { std: "docker" "start" "-a" "d27c394decd4bfd5ca0e103e7bc59cef58cb320d0aa5136525d0da001322be92", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "d27c394decd4bfd5ca0e103e7bc59cef58cb320d0aa5136525d0da001322be92", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d27c394decd4bfd5ca0e103e7bc59cef58cb320d0aa5136525d0da001322be92", kill_on_drop: false }`
[INFO] [stdout] d27c394decd4bfd5ca0e103e7bc59cef58cb320d0aa5136525d0da001322be92
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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" "-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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+936f2600b6c903b04387f74ed5cbce88bb06d243" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] c09a335c6d765d8f9ef84da60c7a26d06616b57beef71fd015160897c7379806
[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" "c09a335c6d765d8f9ef84da60c7a26d06616b57beef71fd015160897c7379806", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.108
[INFO] [stderr]    Compiling semver-parser v0.7.0
[INFO] [stderr]    Compiling maybe-uninit v2.0.0
[INFO] [stderr]     Checking crossbeam-utils v0.6.6
[INFO] [stderr]     Checking log v0.4.14
[INFO] [stderr]     Checking futures-util v0.3.18
[INFO] [stderr]    Compiling semver v0.9.0
[INFO] [stderr]     Checking crossbeam-channel v0.3.9
[INFO] [stderr]     Checking smallvec v0.6.14
[INFO] [stderr]    Compiling rustc_version v0.2.3
[INFO] [stderr]    Compiling parking_lot_core v0.6.2
[INFO] [stderr]    Compiling parking_lot v0.9.0
[INFO] [stderr]     Checking num_cpus v1.13.0
[INFO] [stderr]     Checking uvth v4.0.1
[INFO] [stderr]     Checking futures-executor v0.3.18
[INFO] [stderr]     Checking futures v0.3.18
[INFO] [stderr]     Checking futures-cputask v0.3.0 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0432]: unresolved import `futures_cputask::async_task`
[INFO] [stdout]  --> tests/pool-test.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use futures_cputask::async_task;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^ no `async_task` in the root
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: cannot determine resolution for the attribute macro `async_task`
[INFO] [stdout]  --> tests/pool-test.rs:4:3
[INFO] [stdout]   |
[INFO] [stdout] 4 | #[async_task]
[INFO] [stdout]   |   ^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: import resolution is stuck, try simplifying macro imports
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `FutureObj`, `Spawn`
[INFO] [stdout]  --> tests/pool-test.rs:2:21
[INFO] [stdout]   |
[INFO] [stdout] 2 | use futures::task::{FutureObj, Spawn};
[INFO] [stdout]   |                     ^^^^^^^^^  ^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0277]: `i64` is not a future
[INFO] [stdout]   --> tests/pool-test.rs:10:16
[INFO] [stdout]    |
[INFO] [stdout] 10 |     assert_eq!(long_running_task().await, 4_999_999_950_000_000);
[INFO] [stdout]    |                ^^^^^^^^^^^^^^^^^^^^^^^^^ `i64` is not a future
[INFO] [stdout]    |
[INFO] [stdout]    = help: the trait `futures::Future` is not implemented for `i64`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 3 previous errors; 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0277, E0432.
[INFO] [stdout] 
[INFO] [stdout] For more information about an error, try `rustc --explain E0277`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `futures-cputask` due to 4 previous errors; 1 warning emitted
[INFO] running `Command { std: "docker" "inspect" "c09a335c6d765d8f9ef84da60c7a26d06616b57beef71fd015160897c7379806", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c09a335c6d765d8f9ef84da60c7a26d06616b57beef71fd015160897c7379806", kill_on_drop: false }`
[INFO] [stdout] c09a335c6d765d8f9ef84da60c7a26d06616b57beef71fd015160897c7379806