[INFO] fetching crate futures-cpupool 0.1.8...
[INFO] checking futures-cpupool-0.1.8 against try#cac44d9528e3bbbdaa1537d187bd489ccc5de18c for pr-91141
[INFO] extracting crate futures-cpupool 0.1.8 into /workspace/builds/worker-13/source
[INFO] validating manifest of crates.io crate futures-cpupool 0.1.8 on toolchain cac44d9528e3bbbdaa1537d187bd489ccc5de18c
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+cac44d9528e3bbbdaa1537d187bd489ccc5de18c" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate futures-cpupool 0.1.8
[INFO] finished tweaking crates.io crate futures-cpupool 0.1.8
[INFO] tweaked toml for crates.io crate futures-cpupool 0.1.8 written to /workspace/builds/worker-13/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+cac44d9528e3bbbdaa1537d187bd489ccc5de18c" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+cac44d9528e3bbbdaa1537d187bd489ccc5de18c" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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" "+cac44d9528e3bbbdaa1537d187bd489ccc5de18c" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 13b30a126f17b68e4dcc2f5eac6e28cdcdb91e6472df8105801218eabdf5ce01
[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" "13b30a126f17b68e4dcc2f5eac6e28cdcdb91e6472df8105801218eabdf5ce01", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "13b30a126f17b68e4dcc2f5eac6e28cdcdb91e6472df8105801218eabdf5ce01", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "13b30a126f17b68e4dcc2f5eac6e28cdcdb91e6472df8105801218eabdf5ce01", kill_on_drop: false }`
[INFO] [stdout] 13b30a126f17b68e4dcc2f5eac6e28cdcdb91e6472df8105801218eabdf5ce01
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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" "+cac44d9528e3bbbdaa1537d187bd489ccc5de18c" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 77b21199b5ce15f3b8bfffa4b471e878c8fd48ca57a9dd57b56c8ab6bdc8e0a4
[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" "77b21199b5ce15f3b8bfffa4b471e878c8fd48ca57a9dd57b56c8ab6bdc8e0a4", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.108
[INFO] [stderr]     Checking futures v0.1.31
[INFO] [stderr]     Checking num_cpus v1.13.0
[INFO] [stderr]     Checking futures-cpupool v0.1.8 (/opt/rustwide/workdir)
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/lib.rs:85:29
[INFO] [stdout]    |
[INFO] [stdout] 85 |     after_start: Option<Arc<Fn() + Send + Sync>>,
[INFO] [stdout]    |                             ^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Fn() + Send + Sync`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/lib.rs:86:29
[INFO] [stdout]    |
[INFO] [stdout] 86 |     before_stop: Option<Arc<Fn() + Send + Sync>>,
[INFO] [stdout]    |                             ^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Fn() + Send + Sync`
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/lib.rs:252:44
[INFO] [stdout]     |
[INFO] [stdout] 252 |     fn work(&self, after_start: Option<Arc<Fn() + Send + Sync>>, before_stop: Option<Arc<Fn() + Send + Sync>>) {
[INFO] [stdout]     |                                            ^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Fn() + Send + Sync`
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/lib.rs:252:90
[INFO] [stdout]     |
[INFO] [stdout] 252 |     fn work(&self, after_start: Option<Arc<Fn() + Send + Sync>>, before_stop: Option<Arc<Fn() + Send + Sync>>) {
[INFO] [stdout]     |                                                                                          ^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Fn() + Send + Sync`
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated struct `futures::task::Run`
[INFO] [stdout]   --> src/lib.rs:53:31
[INFO] [stdout]    |
[INFO] [stdout] 53 | use futures::executor::{self, Run, Executor as OldExecutor};
[INFO] [stdout]    |                               ^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated trait `futures::task::Executor`
[INFO] [stdout]   --> src/lib.rs:53:36
[INFO] [stdout]    |
[INFO] [stdout] 53 | use futures::executor::{self, Run, Executor as OldExecutor};
[INFO] [stdout]    |                                    ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated struct `futures::task::Run`
[INFO] [stdout]    --> src/lib.rs:135:9
[INFO] [stdout]     |
[INFO] [stdout] 135 |     Run(Run),
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated trait `futures::task::Executor`
[INFO] [stdout]    --> src/lib.rs:282:6
[INFO] [stdout]     |
[INFO] [stdout] 282 | impl OldExecutor for Inner {
[INFO] [stdout]     |      ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated struct `futures::task::Run`
[INFO] [stdout]    --> src/lib.rs:283:28
[INFO] [stdout]     |
[INFO] [stdout] 283 |     fn execute(&self, run: Run) {
[INFO] [stdout]     |                            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `futures::task_impl::std::<impl futures::task::Spawn<F>>::execute`
[INFO] [stdout]    --> src/lib.rs:214:33
[INFO] [stdout]     |
[INFO] [stdout] 214 |         executor::spawn(sender).execute(self.inner.clone());
[INFO] [stdout]     |                                 ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `futures::task_impl::std::<impl futures::task::Spawn<F>>::execute`
[INFO] [stdout]    --> src/lib.rs:242:33
[INFO] [stdout]     |
[INFO] [stdout] 242 |         executor::spawn(future).execute(self.inner.clone());
[INFO] [stdout]     |                                 ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/lib.rs:85:29
[INFO] [stdout]    |
[INFO] [stdout] 85 |     after_start: Option<Arc<Fn() + Send + Sync>>,
[INFO] [stdout]    |                             ^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Fn() + Send + Sync`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/lib.rs:86:29
[INFO] [stdout]    |
[INFO] [stdout] 86 |     before_stop: Option<Arc<Fn() + Send + Sync>>,
[INFO] [stdout]    |                             ^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Fn() + Send + Sync`
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/lib.rs:252:44
[INFO] [stdout]     |
[INFO] [stdout] 252 |     fn work(&self, after_start: Option<Arc<Fn() + Send + Sync>>, before_stop: Option<Arc<Fn() + Send + Sync>>) {
[INFO] [stdout]     |                                            ^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Fn() + Send + Sync`
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/lib.rs:252:90
[INFO] [stdout]     |
[INFO] [stdout] 252 |     fn work(&self, after_start: Option<Arc<Fn() + Send + Sync>>, before_stop: Option<Arc<Fn() + Send + Sync>>) {
[INFO] [stdout]     |                                                                                          ^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Fn() + Send + Sync`
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated struct `futures::task::Run`
[INFO] [stdout]   --> src/lib.rs:53:31
[INFO] [stdout]    |
[INFO] [stdout] 53 | use futures::executor::{self, Run, Executor as OldExecutor};
[INFO] [stdout]    |                               ^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated trait `futures::task::Executor`
[INFO] [stdout]   --> src/lib.rs:53:36
[INFO] [stdout]    |
[INFO] [stdout] 53 | use futures::executor::{self, Run, Executor as OldExecutor};
[INFO] [stdout]    |                                    ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated struct `futures::task::Run`
[INFO] [stdout]    --> src/lib.rs:135:9
[INFO] [stdout]     |
[INFO] [stdout] 135 |     Run(Run),
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated trait `futures::task::Executor`
[INFO] [stdout]    --> src/lib.rs:282:6
[INFO] [stdout]     |
[INFO] [stdout] 282 | impl OldExecutor for Inner {
[INFO] [stdout]     |      ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated struct `futures::task::Run`
[INFO] [stdout]    --> src/lib.rs:283:28
[INFO] [stdout]     |
[INFO] [stdout] 283 |     fn execute(&self, run: Run) {
[INFO] [stdout]     |                            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `futures::task_impl::std::<impl futures::task::Spawn<F>>::execute`
[INFO] [stdout]    --> src/lib.rs:214:33
[INFO] [stdout]     |
[INFO] [stdout] 214 |         executor::spawn(sender).execute(self.inner.clone());
[INFO] [stdout]     |                                 ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `futures::task_impl::std::<impl futures::task::Spawn<F>>::execute`
[INFO] [stdout]    --> src/lib.rs:242:33
[INFO] [stdout]     |
[INFO] [stdout] 242 |         executor::spawn(future).execute(self.inner.clone());
[INFO] [stdout]     |                                 ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 11 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 11 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> tests/smoke.rs:11:41
[INFO] [stdout]    |
[INFO] [stdout] 11 | fn done<T: Send + 'static>(t: T) -> Box<Future<Item = T, Error = ()> + Send> {
[INFO] [stdout]    |                                         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Future<Item = T, Error = ()> + Send`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated constant `std::sync::atomic::ATOMIC_USIZE_INIT`: the `new` function is now preferred
[INFO] [stdout]  --> tests/smoke.rs:4:48
[INFO] [stdout]   |
[INFO] [stdout] 4 | use std::sync::atomic::{AtomicUsize, Ordering, ATOMIC_USIZE_INIT};
[INFO] [stdout]   |                                                ^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated constant `std::sync::atomic::ATOMIC_USIZE_INIT`: the `new` function is now preferred
[INFO] [stdout]   --> tests/smoke.rs:39:31
[INFO] [stdout]    |
[INFO] [stdout] 39 |     static CNT: AtomicUsize = ATOMIC_USIZE_INIT;
[INFO] [stdout]    |                               ^^^^^^^^^^^^^^^^^ help: replace the use of the deprecated constant: `AtomicUsize::new(0)`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated constant `std::sync::atomic::ATOMIC_USIZE_INIT`: the `new` function is now preferred
[INFO] [stdout]   --> tests/smoke.rs:69:38
[INFO] [stdout]    |
[INFO] [stdout] 69 |     static NUM_STARTS: AtomicUsize = ATOMIC_USIZE_INIT;
[INFO] [stdout]    |                                      ^^^^^^^^^^^^^^^^^ help: replace the use of the deprecated constant: `AtomicUsize::new(0)`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated constant `std::sync::atomic::ATOMIC_USIZE_INIT`: the `new` function is now preferred
[INFO] [stdout]   --> tests/smoke.rs:70:37
[INFO] [stdout]    |
[INFO] [stdout] 70 |     static NUM_STOPS: AtomicUsize = ATOMIC_USIZE_INIT;
[INFO] [stdout]    |                                     ^^^^^^^^^^^^^^^^^ help: replace the use of the deprecated constant: `AtomicUsize::new(0)`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 3.36s
[INFO] [stdout] warning: 5 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "77b21199b5ce15f3b8bfffa4b471e878c8fd48ca57a9dd57b56c8ab6bdc8e0a4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "77b21199b5ce15f3b8bfffa4b471e878c8fd48ca57a9dd57b56c8ab6bdc8e0a4", kill_on_drop: false }`
[INFO] [stdout] 77b21199b5ce15f3b8bfffa4b471e878c8fd48ca57a9dd57b56c8ab6bdc8e0a4