[INFO] fetching crate futures-cputask 0.3.0...
[INFO] checking futures-cputask-0.3.0 against master#8007b506ac5da629f223b755f5a5391edd5f6d01 for pr-88041
[INFO] extracting crate futures-cputask 0.3.0 into /workspace/builds/worker-87/source
[INFO] validating manifest of crates.io crate futures-cputask 0.3.0 on toolchain 8007b506ac5da629f223b755f5a5391edd5f6d01
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8007b506ac5da629f223b755f5a5391edd5f6d01" "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-87/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8007b506ac5da629f223b755f5a5391edd5f6d01" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8007b506ac5da629f223b755f5a5391edd5f6d01" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-87/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-87/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+8007b506ac5da629f223b755f5a5391edd5f6d01" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 0be52451f25880b82a3837071b0f68601a7fe886f9aae036d200806d132876f8
[INFO] running `Command { std: "docker" "start" "-a" "0be52451f25880b82a3837071b0f68601a7fe886f9aae036d200806d132876f8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "0be52451f25880b82a3837071b0f68601a7fe886f9aae036d200806d132876f8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0be52451f25880b82a3837071b0f68601a7fe886f9aae036d200806d132876f8", kill_on_drop: false }`
[INFO] [stdout] 0be52451f25880b82a3837071b0f68601a7fe886f9aae036d200806d132876f8
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-87/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-87/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+8007b506ac5da629f223b755f5a5391edd5f6d01" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 602cf511adb6462c3cca27de1bc6ec11028e4a0bbe8e112a07c2697c8899518d
[INFO] running `Command { std: "docker" "start" "-a" "602cf511adb6462c3cca27de1bc6ec11028e4a0bbe8e112a07c2697c8899518d", kill_on_drop: false }`
[INFO] [stderr]    Compiling semver-parser v0.7.0
[INFO] [stderr]    Compiling proc-macro2 v1.0.28
[INFO] [stderr]    Compiling autocfg v1.0.1
[INFO] [stderr]    Compiling libc v0.2.99
[INFO] [stderr]    Compiling unicode-xid v0.2.2
[INFO] [stderr]    Compiling proc-macro-hack v0.5.19
[INFO] [stderr]    Compiling futures-task v0.3.16
[INFO] [stderr]    Compiling memchr v2.4.0
[INFO] [stderr]    Compiling proc-macro-nested v0.1.7
[INFO] [stderr]     Checking futures-sink v0.3.16
[INFO] [stderr]    Compiling log v0.4.14
[INFO] [stderr]     Checking pin-utils v0.1.0
[INFO] [stderr]     Checking lazy_static v1.4.0
[INFO] [stderr]     Checking pin-project-lite v0.2.7
[INFO] [stderr]     Checking slab v0.4.4
[INFO] [stderr]     Checking cfg-if v1.0.0
[INFO] [stderr]     Checking scopeguard v1.1.0
[INFO] [stderr]     Checking lock_api v0.3.4
[INFO] [stderr]     Checking futures-channel v0.3.16
[INFO] [stderr]     Checking crossbeam-utils v0.6.6
[INFO] [stderr]    Compiling semver v0.9.0
[INFO] [stderr]    Compiling futures-macro v0.3.16
[INFO] [stderr]    Compiling futures-util v0.3.16
[INFO] [stderr]     Checking crossbeam-channel v0.3.9
[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]    Compiling quote v1.0.9
[INFO] [stderr]     Checking num_cpus v1.13.0
[INFO] [stderr]    Compiling syn v1.0.74
[INFO] [stderr]     Checking uvth v4.0.1
[INFO] [stderr]     Checking futures-executor v0.3.16
[INFO] [stderr]     Checking futures v0.3.16
[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] note: required by `futures::Future::poll`
[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" "602cf511adb6462c3cca27de1bc6ec11028e4a0bbe8e112a07c2697c8899518d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "602cf511adb6462c3cca27de1bc6ec11028e4a0bbe8e112a07c2697c8899518d", kill_on_drop: false }`
[INFO] [stdout] 602cf511adb6462c3cca27de1bc6ec11028e4a0bbe8e112a07c2697c8899518d