[INFO] fetching crate popcorn-blas 0.1.0...
[INFO] checking popcorn-blas-0.1.0 against master#af3c6e733a40e671550e0f0f5aeecaa13772ba56 for pr-74989
[INFO] extracting crate popcorn-blas 0.1.0 into /workspace/builds/worker-7/source
[INFO] validating manifest of crates.io crate popcorn-blas 0.1.0 on toolchain af3c6e733a40e671550e0f0f5aeecaa13772ba56
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+af3c6e733a40e671550e0f0f5aeecaa13772ba56" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate popcorn-blas 0.1.0
[INFO] removed path dependency popcorn from crates.io crate popcorn-blas 0.1.0
[INFO] finished tweaking crates.io crate popcorn-blas 0.1.0
[INFO] tweaked toml for crates.io crate popcorn-blas 0.1.0 written to /workspace/builds/worker-7/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+af3c6e733a40e671550e0f0f5aeecaa13772ba56" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+af3c6e733a40e671550e0f0f5aeecaa13772ba56" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr] warning: unused manifest key: package.keyworkds
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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" "rustops/crates-build-env@sha256:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+af3c6e733a40e671550e0f0f5aeecaa13772ba56" "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] 5603a0197786f2d5f6b1e0990c2d7e5ca4d23f1a4339e3a133dc17990e2f1dd3
[INFO] running `Command { std: "docker" "start" "-a" "5603a0197786f2d5f6b1e0990c2d7e5ca4d23f1a4339e3a133dc17990e2f1dd3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "5603a0197786f2d5f6b1e0990c2d7e5ca4d23f1a4339e3a133dc17990e2f1dd3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5603a0197786f2d5f6b1e0990c2d7e5ca4d23f1a4339e3a133dc17990e2f1dd3", kill_on_drop: false }`
[INFO] [stdout] 5603a0197786f2d5f6b1e0990c2d7e5ca4d23f1a4339e3a133dc17990e2f1dd3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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" "rustops/crates-build-env@sha256:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+af3c6e733a40e671550e0f0f5aeecaa13772ba56" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 68b5e9ee031782f05c54585cb5c3d39b019c63ae8746b3f0efcb98660db634f5
[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" "68b5e9ee031782f05c54585cb5c3d39b019c63ae8746b3f0efcb98660db634f5", kill_on_drop: false }`
[INFO] [stderr] warning: unused manifest key: package.keyworkds
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Checking futures v0.1.29
[INFO] [stderr]     Checking num_cpus v1.13.0
[INFO] [stderr]     Checking blas-sys v0.6.9
[INFO] [stderr]     Checking futures-cpupool v0.1.8
[INFO] [stderr]     Checking popcorn v0.1.0
[INFO] [stderr]     Checking popcorn-blas v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/frameworks/native/mod.rs:45:39
[INFO] [stdout]    |
[INFO] [stdout] 45 |             let n_shape_a: &[usize] = try!(try!(shape_a.native_memory(&dev)).try_as_slice());
[INFO] [stdout]    |                                       ^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/frameworks/native/mod.rs:45:44
[INFO] [stdout]    |
[INFO] [stdout] 45 |             let n_shape_a: &[usize] = try!(try!(shape_a.native_memory(&dev)).try_as_slice());
[INFO] [stdout]    |                                            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/frameworks/native/mod.rs:46:29
[INFO] [stdout]    |
[INFO] [stdout] 46 |             let n_a: &[T] = try!(try!(a.native_memory(&dev)).try_as_slice());
[INFO] [stdout]    |                             ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/frameworks/native/mod.rs:46:34
[INFO] [stdout]    |
[INFO] [stdout] 46 |             let n_a: &[T] = try!(try!(a.native_memory(&dev)).try_as_slice());
[INFO] [stdout]    |                                  ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/frameworks/native/mod.rs:47:39
[INFO] [stdout]    |
[INFO] [stdout] 47 |             let n_shape_b: &[usize] = try!(try!(shape_b.native_memory(&dev)).try_as_slice());
[INFO] [stdout]    |                                       ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/frameworks/native/mod.rs:47:44
[INFO] [stdout]    |
[INFO] [stdout] 47 |             let n_shape_b: &[usize] = try!(try!(shape_b.native_memory(&dev)).try_as_slice());
[INFO] [stdout]    |                                            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/frameworks/native/mod.rs:48:29
[INFO] [stdout]    |
[INFO] [stdout] 48 |             let n_b: &[T] = try!(try!(b.native_memory(&dev)).try_as_slice());
[INFO] [stdout]    |                             ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/frameworks/native/mod.rs:48:34
[INFO] [stdout]    |
[INFO] [stdout] 48 |             let n_b: &[T] = try!(try!(b.native_memory(&dev)).try_as_slice());
[INFO] [stdout]    |                                  ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/frameworks/native/mod.rs:49:43
[INFO] [stdout]    |
[INFO] [stdout] 49 |             let n_shape_c: &mut [usize] = try!(try!(shape_c.native_memory_mut(&dev)).try_as_mut_slice());
[INFO] [stdout]    |                                           ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/frameworks/native/mod.rs:49:48
[INFO] [stdout]    |
[INFO] [stdout] 49 |             let n_shape_c: &mut [usize] = try!(try!(shape_c.native_memory_mut(&dev)).try_as_mut_slice());
[INFO] [stdout]    |                                                ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/frameworks/native/mod.rs:50:33
[INFO] [stdout]    |
[INFO] [stdout] 50 |             let n_c: &mut [T] = try!(try!(c.native_memory_mut(&dev)).try_as_mut_slice());
[INFO] [stdout]    |                                 ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/frameworks/native/mod.rs:50:38
[INFO] [stdout]    |
[INFO] [stdout] 50 |             let n_c: &mut [T] = try!(try!(c.native_memory_mut(&dev)).try_as_mut_slice());
[INFO] [stdout]    |                                      ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/frameworks/native/mod.rs:54:48
[INFO] [stdout]    |
[INFO] [stdout] 54 |             let (mut bshape, iter_a, iter_b) = try!(broadcast::try_new_broadcast(n_shape_a_vec, n_a, n_shape_b_vec, n_b));
[INFO] [stdout]    |                                                ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: patterns aren't allowed in functions without bodies
[INFO] [stdout]   --> src/operation.rs:10:16
[INFO] [stdout]    |
[INFO] [stdout] 10 |                mut shape_c: Buffer<usize>,
[INFO] [stdout]    |                ^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[deny(patterns_in_fns_without_body)]` on by default
[INFO] [stdout]    = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout]    = note: for more information, see issue #35203 <https://github.com/rust-lang/rust/issues/35203>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: patterns aren't allowed in functions without bodies
[INFO] [stdout]   --> src/operation.rs:11:16
[INFO] [stdout]    |
[INFO] [stdout] 11 |                mut c: Buffer<T>) ->
[INFO] [stdout]    |                ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout]    = note: for more information, see issue #35203 <https://github.com/rust-lang/rust/issues/35203>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/operation.rs:12:9
[INFO] [stdout]    |
[INFO] [stdout] 12 |       Box<Future<Item=(Buffer<usize>, Buffer<T>, // A
[INFO] [stdout]    |  _________^
[INFO] [stdout] 13 | |                      Buffer<usize>, Buffer<T>, // B
[INFO] [stdout] 14 | |                      Buffer<usize>, Buffer<T>), Error=Error>>; // Result
[INFO] [stdout]    | |____________________________________________________________^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 12 |     Box<dyn Future<Item=(Buffer<usize>, Buffer<T>, // A
[INFO] [stdout] 13 |                      Buffer<usize>, Buffer<T>, // B
[INFO] [stdout] 14 |                      Buffer<usize>, Buffer<T>), Error=Error>>; // Result
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `IntoFuture`
[INFO] [stdout]  --> src/frameworks/native/mod.rs:6:23
[INFO] [stdout]   |
[INFO] [stdout] 6 | use futures::{Future, IntoFuture};
[INFO] [stdout]   |                       ^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `self`
[INFO] [stdout]  --> src/frameworks/native/mod.rs:7:23
[INFO] [stdout]   |
[INFO] [stdout] 7 | use popcorn::buffer::{self, Buffer, BufferDevice, Error};
[INFO] [stdout]   |                       ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/frameworks/native/mod.rs:22:66
[INFO] [stdout]    |
[INFO] [stdout] 22 | impl<T: Dot + Copy + Sized + Send + 'static> DotOperation<T> for Backend<Framework> {
[INFO] [stdout]    |                                                                  ^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Backend<Framework>`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/frameworks/native/mod.rs:30:9
[INFO] [stdout]    |
[INFO] [stdout] 30 |       Box<Future<Item=(Buffer<usize>, Buffer<T>,
[INFO] [stdout]    |  _________^
[INFO] [stdout] 31 | |                      Buffer<usize>, Buffer<T>,
[INFO] [stdout] 32 | |                      Buffer<usize>, Buffer<T>), Error=Error>> {
[INFO] [stdout]    | |____________________________________________________________^
[INFO] [stdout]    |
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 30 |     Box<dyn Future<Item=(Buffer<usize>, Buffer<T>,
[INFO] [stdout] 31 |                      Buffer<usize>, Buffer<T>,
[INFO] [stdout] 32 |                      Buffer<usize>, Buffer<T>), Error=Error>> {
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/frameworks/native/mod.rs:45:39
[INFO] [stdout]    |
[INFO] [stdout] 45 |             let n_shape_a: &[usize] = try!(try!(shape_a.native_memory(&dev)).try_as_slice());
[INFO] [stdout]    |                                       ^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/frameworks/native/mod.rs:45:44
[INFO] [stdout]    |
[INFO] [stdout] 45 |             let n_shape_a: &[usize] = try!(try!(shape_a.native_memory(&dev)).try_as_slice());
[INFO] [stdout]    |                                            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/frameworks/native/mod.rs:46:29
[INFO] [stdout]    |
[INFO] [stdout] 46 |             let n_a: &[T] = try!(try!(a.native_memory(&dev)).try_as_slice());
[INFO] [stdout]    |                             ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/frameworks/native/mod.rs:46:34
[INFO] [stdout]    |
[INFO] [stdout] 46 |             let n_a: &[T] = try!(try!(a.native_memory(&dev)).try_as_slice());
[INFO] [stdout]    |                                  ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/frameworks/native/mod.rs:47:39
[INFO] [stdout]    |
[INFO] [stdout] 47 |             let n_shape_b: &[usize] = try!(try!(shape_b.native_memory(&dev)).try_as_slice());
[INFO] [stdout]    |                                       ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/frameworks/native/mod.rs:47:44
[INFO] [stdout]    |
[INFO] [stdout] 47 |             let n_shape_b: &[usize] = try!(try!(shape_b.native_memory(&dev)).try_as_slice());
[INFO] [stdout]    |                                            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/frameworks/native/mod.rs:48:29
[INFO] [stdout]    |
[INFO] [stdout] 48 |             let n_b: &[T] = try!(try!(b.native_memory(&dev)).try_as_slice());
[INFO] [stdout]    |                             ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/frameworks/native/mod.rs:48:34
[INFO] [stdout]    |
[INFO] [stdout] 48 |             let n_b: &[T] = try!(try!(b.native_memory(&dev)).try_as_slice());
[INFO] [stdout]    |                                  ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/frameworks/native/mod.rs:49:43
[INFO] [stdout]    |
[INFO] [stdout] 49 |             let n_shape_c: &mut [usize] = try!(try!(shape_c.native_memory_mut(&dev)).try_as_mut_slice());
[INFO] [stdout]    |                                           ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/frameworks/native/mod.rs:49:48
[INFO] [stdout]    |
[INFO] [stdout] 49 |             let n_shape_c: &mut [usize] = try!(try!(shape_c.native_memory_mut(&dev)).try_as_mut_slice());
[INFO] [stdout]    |                                                ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/frameworks/native/mod.rs:50:33
[INFO] [stdout]    |
[INFO] [stdout] 50 |             let n_c: &mut [T] = try!(try!(c.native_memory_mut(&dev)).try_as_mut_slice());
[INFO] [stdout]    |                                 ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/frameworks/native/mod.rs:50:38
[INFO] [stdout]    |
[INFO] [stdout] 50 |             let n_c: &mut [T] = try!(try!(c.native_memory_mut(&dev)).try_as_mut_slice());
[INFO] [stdout]    |                                      ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/frameworks/native/mod.rs:54:48
[INFO] [stdout]    |
[INFO] [stdout] 54 |             let (mut bshape, iter_a, iter_b) = try!(broadcast::try_new_broadcast(n_shape_a_vec, n_a, n_shape_b_vec, n_b));
[INFO] [stdout]    |                                                ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: patterns aren't allowed in functions without bodies
[INFO] [stdout]   --> src/operation.rs:10:16
[INFO] [stdout]    |
[INFO] [stdout] 10 |                mut shape_c: Buffer<usize>,
[INFO] [stdout]    |                ^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[deny(patterns_in_fns_without_body)]` on by default
[INFO] [stdout]    = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout]    = note: for more information, see issue #35203 <https://github.com/rust-lang/rust/issues/35203>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: patterns aren't allowed in functions without bodies
[INFO] [stdout]   --> src/operation.rs:11:16
[INFO] [stdout]    |
[INFO] [stdout] 11 |                mut c: Buffer<T>) ->
[INFO] [stdout]    |                ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout]    = note: for more information, see issue #35203 <https://github.com/rust-lang/rust/issues/35203>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/operation.rs:12:9
[INFO] [stdout]    |
[INFO] [stdout] 12 |       Box<Future<Item=(Buffer<usize>, Buffer<T>, // A
[INFO] [stdout]    |  _________^
[INFO] [stdout] 13 | |                      Buffer<usize>, Buffer<T>, // B
[INFO] [stdout] 14 | |                      Buffer<usize>, Buffer<T>), Error=Error>>; // Result
[INFO] [stdout]    | |____________________________________________________________^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 12 |     Box<dyn Future<Item=(Buffer<usize>, Buffer<T>, // A
[INFO] [stdout] 13 |                      Buffer<usize>, Buffer<T>, // B
[INFO] [stdout] 14 |                      Buffer<usize>, Buffer<T>), Error=Error>>; // Result
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `IntoFuture`
[INFO] [stdout]  --> src/frameworks/native/mod.rs:6:23
[INFO] [stdout]   |
[INFO] [stdout] 6 | use futures::{Future, IntoFuture};
[INFO] [stdout]   |                       ^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `self`
[INFO] [stdout]  --> src/frameworks/native/mod.rs:7:23
[INFO] [stdout]   |
[INFO] [stdout] 7 | use popcorn::buffer::{self, Buffer, BufferDevice, Error};
[INFO] [stdout]   |                       ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/frameworks/native/mod.rs:22:66
[INFO] [stdout]    |
[INFO] [stdout] 22 | impl<T: Dot + Copy + Sized + Send + 'static> DotOperation<T> for Backend<Framework> {
[INFO] [stdout]    |                                                                  ^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Backend<Framework>`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/frameworks/native/mod.rs:30:9
[INFO] [stdout]    |
[INFO] [stdout] 30 |       Box<Future<Item=(Buffer<usize>, Buffer<T>,
[INFO] [stdout]    |  _________^
[INFO] [stdout] 31 | |                      Buffer<usize>, Buffer<T>,
[INFO] [stdout] 32 | |                      Buffer<usize>, Buffer<T>), Error=Error>> {
[INFO] [stdout]    | |____________________________________________________________^
[INFO] [stdout]    |
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 30 |     Box<dyn Future<Item=(Buffer<usize>, Buffer<T>,
[INFO] [stdout] 31 |                      Buffer<usize>, Buffer<T>,
[INFO] [stdout] 32 |                      Buffer<usize>, Buffer<T>), Error=Error>> {
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 2 previous errors; 18 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `popcorn-blas`.
[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: aborting due to 2 previous errors; 18 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: build failed
[INFO] running `Command { std: "docker" "inspect" "68b5e9ee031782f05c54585cb5c3d39b019c63ae8746b3f0efcb98660db634f5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "68b5e9ee031782f05c54585cb5c3d39b019c63ae8746b3f0efcb98660db634f5", kill_on_drop: false }`
[INFO] [stdout] 68b5e9ee031782f05c54585cb5c3d39b019c63ae8746b3f0efcb98660db634f5
