[INFO] fetching crate futures-cputask 0.3.0...
[INFO] checking futures-cputask-0.3.0 against master#158f00a1c5175648af6f6099b075f78d1d014a28 for pr-121251
[INFO] extracting crate futures-cputask 0.3.0 into /workspace/builds/worker-4-tc1/source
[INFO] validating manifest of crates.io crate futures-cputask 0.3.0 on toolchain 158f00a1c5175648af6f6099b075f78d1d014a28
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+158f00a1c5175648af6f6099b075f78d1d014a28" "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-4-tc1/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+158f00a1c5175648af6f6099b075f78d1d014a28" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+158f00a1c5175648af6f6099b075f78d1d014a28" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded futures-cputask-derive v0.3.0
[INFO] [stderr]   Downloaded uvth v4.0.1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+158f00a1c5175648af6f6099b075f78d1d014a28" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 475ff106a03f2ec41625e977c32b5e4b5bf2bad8067336e0ec82d6d0dfb7468c
[INFO] running `Command { std: "docker" "start" "-a" "475ff106a03f2ec41625e977c32b5e4b5bf2bad8067336e0ec82d6d0dfb7468c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "475ff106a03f2ec41625e977c32b5e4b5bf2bad8067336e0ec82d6d0dfb7468c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "475ff106a03f2ec41625e977c32b5e4b5bf2bad8067336e0ec82d6d0dfb7468c", kill_on_drop: false }`
[INFO] [stdout] 475ff106a03f2ec41625e977c32b5e4b5bf2bad8067336e0ec82d6d0dfb7468c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/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" "RUSTDOCFLAGS=--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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+158f00a1c5175648af6f6099b075f78d1d014a28" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] a90b4503f3c0f9da190a595631db0e3726a11bac212ace2bde0f006593f5bd0a
[INFO] running `Command { std: "docker" "start" "-a" "a90b4503f3c0f9da190a595631db0e3726a11bac212ace2bde0f006593f5bd0a", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.153
[INFO] [stderr]    Compiling semver-parser v0.7.0
[INFO] [stderr]    Compiling proc-macro2 v1.0.78
[INFO] [stderr]    Compiling unicode-ident v1.0.12
[INFO] [stderr]    Compiling autocfg v1.1.0
[INFO] [stderr]     Checking cfg-if v0.1.10
[INFO] [stderr]    Compiling maybe-uninit v2.0.0
[INFO] [stderr]     Checking futures-core v0.3.30
[INFO] [stderr]     Checking futures-sink v0.3.30
[INFO] [stderr]     Checking memchr v2.7.1
[INFO] [stderr]     Checking futures-io v0.3.30
[INFO] [stderr]     Checking pin-project-lite v0.2.13
[INFO] [stderr]     Checking lazy_static v1.4.0
[INFO] [stderr]     Checking futures-task v0.3.30
[INFO] [stderr]     Checking pin-utils v0.1.0
[INFO] [stderr]     Checking scopeguard v1.2.0
[INFO] [stderr]     Checking log v0.4.21
[INFO] [stderr]     Checking crossbeam-utils v0.6.6
[INFO] [stderr]     Checking lock_api v0.3.4
[INFO] [stderr]     Checking futures-channel v0.3.30
[INFO] [stderr]    Compiling semver v0.9.0
[INFO] [stderr]    Compiling slab v0.4.9
[INFO] [stderr]     Checking crossbeam-channel v0.3.9
[INFO] [stderr]    Compiling rustc_version v0.2.3
[INFO] [stderr]     Checking smallvec v0.6.14
[INFO] [stderr]    Compiling parking_lot_core v0.6.3
[INFO] [stderr]    Compiling parking_lot v0.9.0
[INFO] [stderr]    Compiling quote v1.0.35
[INFO] [stderr]    Compiling syn v2.0.52
[INFO] [stderr]     Checking num_cpus v1.16.0
[INFO] [stderr]     Checking uvth v4.0.1
[INFO] [stderr]    Compiling futures-macro v0.3.30
[INFO] [stderr]     Checking futures-util v0.3.30
[INFO] [stderr]     Checking futures-executor v0.3.30
[INFO] [stderr]     Checking futures v0.3.30
[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] note: found an item that was configured out
[INFO] [stdout]    --> /opt/rustwide/workdir/src/lib.rs:150:33
[INFO] [stdout]     |
[INFO] [stdout] 150 | pub use futures_cputask_derive::async_task;
[INFO] [stdout]     |                                 ^^^^^^^^^^
[INFO] [stdout]     = note: the item is gated behind the `derive` feature
[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:10:36
[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]    |                this call returns `i64`
[INFO] [stdout]    |
[INFO] [stdout]    = help: the trait `futures::Future` is not implemented for `i64`, which is required by `i64: std::future::IntoFuture`
[INFO] [stdout]    = note: i64 must be a future or must implement `IntoFuture` to be awaited
[INFO] [stdout]    = note: required for `i64` to implement `std::future::IntoFuture`
[INFO] [stdout] help: remove the `.await`
[INFO] [stdout]    |
[INFO] [stdout] 10 -     assert_eq!(long_running_task().await, 4_999_999_950_000_000);
[INFO] [stdout] 10 +     assert_eq!(long_running_task(), 4_999_999_950_000_000);
[INFO] [stdout]    |
[INFO] [stdout] help: alternatively, consider making `fn long_running_task` asynchronous
[INFO] [stdout]    |
[INFO] [stdout] 5  | async fn long_running_task() -> i64 {
[INFO] [stdout]    | +++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 2 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` (test "pool-test") due to 3 previous errors; 1 warning emitted
[INFO] running `Command { std: "docker" "inspect" "a90b4503f3c0f9da190a595631db0e3726a11bac212ace2bde0f006593f5bd0a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a90b4503f3c0f9da190a595631db0e3726a11bac212ace2bde0f006593f5bd0a", kill_on_drop: false }`
[INFO] [stdout] a90b4503f3c0f9da190a595631db0e3726a11bac212ace2bde0f006593f5bd0a
[INFO] checking futures-cputask-0.3.0 against try#b4fc5dbf0bc33be331f9d893db5b3a794f29724a+rustflags=-Dexplicit_range -Dtrait_impl_range -Wrange_syntax -Wrange_bounds for pr-121251
[INFO] extracting crate futures-cputask 0.3.0 into /workspace/builds/worker-4-tc2/source
[INFO] validating manifest of crates.io crate futures-cputask 0.3.0 on toolchain b4fc5dbf0bc33be331f9d893db5b3a794f29724a
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+b4fc5dbf0bc33be331f9d893db5b3a794f29724a" "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-4-tc2/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+b4fc5dbf0bc33be331f9d893db5b3a794f29724a" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+b4fc5dbf0bc33be331f9d893db5b3a794f29724a" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+b4fc5dbf0bc33be331f9d893db5b3a794f29724a" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 44b1e480cc3f5e1f66b88eb34fed605b1c022a0d20a6cdfedecdcd8f104e4436
[INFO] running `Command { std: "docker" "start" "-a" "44b1e480cc3f5e1f66b88eb34fed605b1c022a0d20a6cdfedecdcd8f104e4436", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "44b1e480cc3f5e1f66b88eb34fed605b1c022a0d20a6cdfedecdcd8f104e4436", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "44b1e480cc3f5e1f66b88eb34fed605b1c022a0d20a6cdfedecdcd8f104e4436", kill_on_drop: false }`
[INFO] [stdout] 44b1e480cc3f5e1f66b88eb34fed605b1c022a0d20a6cdfedecdcd8f104e4436
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/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 -Dexplicit_range -Dtrait_impl_range -Wrange_syntax -Wrange_bounds" "-e" "RUSTDOCFLAGS=--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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+b4fc5dbf0bc33be331f9d893db5b3a794f29724a" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 3f1a1f5fbafa559c8a1b789322ff4d78d69bde5a9219df59794e0bb218e514f5
[INFO] running `Command { std: "docker" "start" "-a" "3f1a1f5fbafa559c8a1b789322ff4d78d69bde5a9219df59794e0bb218e514f5", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.78
[INFO] [stderr]    Compiling semver-parser v0.7.0
[INFO] [stderr]    Compiling libc v0.2.153
[INFO] [stderr]    Compiling unicode-ident v1.0.12
[INFO] [stderr]    Compiling autocfg v1.1.0
[INFO] [stderr]     Checking cfg-if v0.1.10
[INFO] [stderr]    Compiling maybe-uninit v2.0.0
[INFO] [stderr]     Checking futures-core v0.3.30
[INFO] [stderr]     Checking futures-sink v0.3.30
[INFO] [stderr]     Checking pin-project-lite v0.2.13
[INFO] [stderr]     Checking futures-task v0.3.30
[INFO] [stderr]     Checking pin-utils v0.1.0
[INFO] [stderr]     Checking lazy_static v1.4.0
[INFO] [stderr]     Checking futures-io v0.3.30
[INFO] [stderr]     Checking memchr v2.7.1
[INFO] [stderr]     Checking scopeguard v1.2.0
[INFO] [stderr]     Checking log v0.4.21
[INFO] [stderr]     Checking crossbeam-utils v0.6.6
[INFO] [stderr]     Checking lock_api v0.3.4
[INFO] [stderr]     Checking futures-channel v0.3.30
[INFO] [stderr]    Compiling semver v0.9.0
[INFO] [stderr]    Compiling slab v0.4.9
[INFO] [stderr]     Checking crossbeam-channel v0.3.9
[INFO] [stderr]    Compiling rustc_version v0.2.3
[INFO] [stderr]     Checking smallvec v0.6.14
[INFO] [stderr]    Compiling parking_lot_core v0.6.3
[INFO] [stderr]    Compiling parking_lot v0.9.0
[INFO] [stderr]    Compiling quote v1.0.35
[INFO] [stderr]     Checking num_cpus v1.16.0
[INFO] [stderr]    Compiling syn v2.0.52
[INFO] [stderr]     Checking uvth v4.0.1
[INFO] [stderr]    Compiling futures-macro v0.3.30
[INFO] [stderr]     Checking futures-util v0.3.30
[INFO] [stderr]     Checking futures-executor v0.3.30
[INFO] [stderr]     Checking futures v0.3.30
[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] note: found an item that was configured out
[INFO] [stdout]    --> /opt/rustwide/workdir/src/lib.rs:150:33
[INFO] [stdout]     |
[INFO] [stdout] 150 | pub use futures_cputask_derive::async_task;
[INFO] [stdout]     |                                 ^^^^^^^^^^
[INFO] [stdout]     = note: the item is gated behind the `derive` feature
[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] warning: usage of `Range` range syntax
[INFO] [stdout]  --> tests/pool-test.rs:6:6
[INFO] [stdout]   |
[INFO] [stdout] 6 |     (0..100_000_000).fold(0i64, |a, b| a.wrapping_add(b))
[INFO] [stdout]   |      ^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: requested on the command line with `-W range-syntax`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0277]: `i64` is not a future
[INFO] [stdout]   --> tests/pool-test.rs:10:36
[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]    |                this call returns `i64`
[INFO] [stdout]    |
[INFO] [stdout]    = help: the trait `futures::Future` is not implemented for `i64`, which is required by `i64: std::future::IntoFuture`
[INFO] [stdout]    = note: i64 must be a future or must implement `IntoFuture` to be awaited
[INFO] [stdout]    = note: required for `i64` to implement `std::future::IntoFuture`
[INFO] [stdout] help: remove the `.await`
[INFO] [stdout]    |
[INFO] [stdout] 10 -     assert_eq!(long_running_task().await, 4_999_999_950_000_000);
[INFO] [stdout] 10 +     assert_eq!(long_running_task(), 4_999_999_950_000_000);
[INFO] [stdout]    |
[INFO] [stdout] help: alternatively, consider making `fn long_running_task` asynchronous
[INFO] [stdout]    |
[INFO] [stdout] 5  | async fn long_running_task() -> i64 {
[INFO] [stdout]    | +++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 2 previous errors; 2 warnings 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` (test "pool-test") due to 3 previous errors; 2 warnings emitted
[INFO] running `Command { std: "docker" "inspect" "3f1a1f5fbafa559c8a1b789322ff4d78d69bde5a9219df59794e0bb218e514f5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3f1a1f5fbafa559c8a1b789322ff4d78d69bde5a9219df59794e0bb218e514f5", kill_on_drop: false }`
[INFO] [stdout] 3f1a1f5fbafa559c8a1b789322ff4d78d69bde5a9219df59794e0bb218e514f5
