[INFO] crate leaf 0.2.1 is already in cache
[INFO] checking leaf-0.2.1 against try#e689e5eaefe96e6dc3ed5bb629c521b7d207aff7 for pr-64398
[INFO] extracting crate leaf 0.2.1 into work/builds/worker-3/source
[INFO] validating manifest of crates.io crate leaf 0.2.1 on toolchain e689e5eaefe96e6dc3ed5bb629c521b7d207aff7-alt
[INFO] running `"/mnt/big/crater/work/cargo-home/bin/cargo" "+e689e5eaefe96e6dc3ed5bb629c521b7d207aff7-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking crates.io crate leaf 0.2.1
[INFO] finished tweaking crates.io crate leaf 0.2.1
[INFO] tweaked toml for crates.io crate leaf 0.2.1 written to work/builds/worker-3/source/Cargo.toml
[INFO] running `"/mnt/big/crater/work/cargo-home/bin/cargo" "+e689e5eaefe96e6dc3ed5bb629c521b7d207aff7-alt" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/crater/work/cargo-home/bin/cargo" "+e689e5eaefe96e6dc3ed5bb629c521b7d207aff7-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/mnt/big/crater/work/builds/worker-3/source:/opt/rustwide/workdir:ro,Z" "-v" "/mnt/big/crater/work/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "MAP_USER_ID=1000" "-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" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+e689e5eaefe96e6dc3ed5bb629c521b7d207aff7-alt" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] 8af5c34d240a70ba25029e65f14c656d2195dd4719714fd6d56d7e711c46037e
[INFO] running `"docker" "start" "-a" "8af5c34d240a70ba25029e65f14c656d2195dd4719714fd6d56d7e711c46037e"`
[INFO] [stderr]    Compiling byteorder v0.4.2
[INFO] [stderr]    Compiling rblas v0.0.11
[INFO] [stderr]     Checking linear-map v0.0.4
[INFO] [stderr]     Checking capnp v0.6.2
[INFO] [stderr]     Checking collenchyma v0.0.8
[INFO] [stderr] warning[E0502]: cannot borrow `*reff` as immutable because it is also borrowed as mutable
[INFO] [stderr]    --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/capnp-0.6.2/src/private/layout.rs:639:47
[INFO] [stderr]     |
[INFO] [stderr] 639 |         let ptr = try!(follow_fars(&mut reff, (*reff).target(), &mut segment));
[INFO] [stderr]     |                        ----------- ---------  ^^^^^^^ immutable borrow occurs here
[INFO] [stderr]     |                        |           |
[INFO] [stderr]     |                        |           mutable borrow occurs here
[INFO] [stderr]     |                        mutable borrow later used by call
[INFO] [stderr]     |
[INFO] [stderr]     = warning: this error has been downgraded to a warning for backwards compatibility with previous releases
[INFO] [stderr]     = warning: this represents potential undefined behavior in your code and this warning will become a hard error in the future
[INFO] [stderr]     = note: for more information, try `rustc --explain E0729`
[INFO] [stderr] 
[INFO] [stderr]     Checking collenchyma-nn v0.3.4
[INFO] [stderr] warning[E0502]: cannot borrow `*reff` as immutable because it is also borrowed as mutable
[INFO] [stderr]    --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/capnp-0.6.2/src/private/layout.rs:639:47
[INFO] [stderr]     |
[INFO] [stderr] 639 |         let ptr = try!(follow_fars(&mut reff, (*reff).target(), &mut segment));
[INFO] [stderr]     |                        ----------- ---------  ^^^^^^^ immutable borrow occurs here
[INFO] [stderr]     |                        |           |
[INFO] [stderr]     |                        |           mutable borrow occurs here
[INFO] [stderr]     |                        mutable borrow later used by call
[INFO] [stderr]     |
[INFO] [stderr]     = warning: this error has been downgraded to a warning for backwards compatibility with previous releases
[INFO] [stderr]     = warning: this represents potential undefined behavior in your code and this warning will become a hard error in the future
[INFO] [stderr]     = note: for more information, try `rustc --explain E0729`
[INFO] [stderr] 
[INFO] [stderr]     Checking collenchyma-blas v0.2.0
[INFO] [stderr]    Compiling capnpc v0.6.2
[INFO] [stderr]    Compiling leaf v0.2.1 (/opt/rustwide/workdir)
[INFO] [stderr] error: a macro named `impl_ilayer_common` has already been exported
[INFO] [stderr]   --> src/layers/container/mod.rs:6:1
[INFO] [stderr]    |
[INFO] [stderr] 6  | / macro_rules! impl_ilayer_common {
[INFO] [stderr] 7  | |     () => (
[INFO] [stderr] 8  | |         fn exact_num_output_blobs(&self) -> Option<usize> { Some(1) }
[INFO] [stderr] 9  | |         fn exact_num_input_blobs(&self) -> Option<usize> { Some(1) }
[INFO] [stderr] 10 | |     )
[INFO] [stderr] 11 | | }
[INFO] [stderr]    | |_^ `impl_ilayer_common` already exported
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[deny(duplicate_macro_exports)]` on by default
[INFO] [stderr]    = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2018 edition!
[INFO] [stderr]    = note: for more information, see issue #35896 <https://github.com/rust-lang/rust/issues/35896>
[INFO] [stderr] note: previous macro export is now shadowed
[INFO] [stderr]   --> src/layers/common/mod.rs:6:1
[INFO] [stderr]    |
[INFO] [stderr] 6  | / macro_rules! impl_ilayer_common {
[INFO] [stderr] 7  | |     () => (
[INFO] [stderr] 8  | |         fn exact_num_output_blobs(&self) -> Option<usize> { Some(1) }
[INFO] [stderr] 9  | |         fn exact_num_input_blobs(&self) -> Option<usize> { Some(1) }
[INFO] [stderr] 10 | |     )
[INFO] [stderr] 11 | | }
[INFO] [stderr]    | |_^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/layer.rs:621:27
[INFO] [stderr]     |
[INFO] [stderr] 621 |         let ref mut out = try!(File::create(path));
[INFO] [stderr]     |                           ^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(deprecated)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/layer.rs:672:28
[INFO] [stderr]     |
[INFO] [stderr] 672 |         let ref mut file = try!(File::open(path));
[INFO] [stderr]     |                            ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]     --> src/layer.rs:1476:9
[INFO] [stderr]      |
[INFO] [stderr] 1476 |         try!(self.validate_propagate_down_len());
[INFO] [stderr]      |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/util.rs:83:9
[INFO] [stderr]    |
[INFO] [stderr] 83 |         try!(self.scal(b, y));
[INFO] [stderr]    |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/util.rs:84:9
[INFO] [stderr]    |
[INFO] [stderr] 84 |         try!(self.axpy(a, x, y));
[INFO] [stderr]    |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/util.rs:92:9
[INFO] [stderr]    |
[INFO] [stderr] 92 |         try!(self.scal_plain(b, y));
[INFO] [stderr]    |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/util.rs:93:9
[INFO] [stderr]    |
[INFO] [stderr] 93 |         try!(self.axpy_plain(a, x, y));
[INFO] [stderr]    |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> /opt/rustwide/target/debug/build/leaf-6fbc3916c8af7065/out/leaf_capnp.rs:37:72
[INFO] [stderr]    |
[INFO] [stderr] 37 |       ::std::result::Result::Ok(::capnp::traits::FromStructReader::new(try!(reader.get_struct(::std::ptr::null()))))
[INFO] [stderr]    |                                                                        ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> /opt/rustwide/target/debug/build/leaf-6fbc3916c8af7065/out/leaf_capnp.rs:104:73
[INFO] [stderr]     |
[INFO] [stderr] 104 |       ::std::result::Result::Ok(::capnp::traits::FromStructBuilder::new(try!(builder.get_struct(_private::STRUCT_SIZE, ::std::ptr::null()))))
[INFO] [stderr]     |                                                                         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> /opt/rustwide/target/debug/build/leaf-6fbc3916c8af7065/out/leaf_capnp.rs:209:72
[INFO] [stderr]     |
[INFO] [stderr] 209 |       ::std::result::Result::Ok(::capnp::traits::FromStructReader::new(try!(reader.get_struct(::std::ptr::null()))))
[INFO] [stderr]     |                                                                        ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> /opt/rustwide/target/debug/build/leaf-6fbc3916c8af7065/out/leaf_capnp.rs:276:73
[INFO] [stderr]     |
[INFO] [stderr] 276 |       ::std::result::Result::Ok(::capnp::traits::FromStructBuilder::new(try!(builder.get_struct(_private::STRUCT_SIZE, ::std::ptr::null()))))
[INFO] [stderr]     |                                                                         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> /opt/rustwide/target/debug/build/leaf-6fbc3916c8af7065/out/leaf_capnp.rs:378:72
[INFO] [stderr]     |
[INFO] [stderr] 378 |       ::std::result::Result::Ok(::capnp::traits::FromStructReader::new(try!(reader.get_struct(::std::ptr::null()))))
[INFO] [stderr]     |                                                                        ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> /opt/rustwide/target/debug/build/leaf-6fbc3916c8af7065/out/leaf_capnp.rs:452:73
[INFO] [stderr]     |
[INFO] [stderr] 452 |       ::std::result::Result::Ok(::capnp::traits::FromStructBuilder::new(try!(builder.get_struct(_private::STRUCT_SIZE, ::std::ptr::null()))))
[INFO] [stderr]     |                                                                         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> /opt/rustwide/target/debug/build/leaf-6fbc3916c8af7065/out/leaf_capnp.rs:572:72
[INFO] [stderr]     |
[INFO] [stderr] 572 |       ::std::result::Result::Ok(::capnp::traits::FromStructReader::new(try!(reader.get_struct(::std::ptr::null()))))
[INFO] [stderr]     |                                                                        ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> /opt/rustwide/target/debug/build/leaf-6fbc3916c8af7065/out/leaf_capnp.rs:664:73
[INFO] [stderr]     |
[INFO] [stderr] 664 |       ::std::result::Result::Ok(::capnp::traits::FromStructBuilder::new(try!(builder.get_struct(_private::STRUCT_SIZE, ::std::ptr::null()))))
[INFO] [stderr]     |                                                                         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> /opt/rustwide/target/debug/build/leaf-6fbc3916c8af7065/out/leaf_capnp.rs:825:74
[INFO] [stderr]     |
[INFO] [stderr] 825 |         ::std::result::Result::Ok(::capnp::traits::FromStructReader::new(try!(reader.get_struct(::std::ptr::null()))))
[INFO] [stderr]     |                                                                          ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> /opt/rustwide/target/debug/build/leaf-6fbc3916c8af7065/out/leaf_capnp.rs:958:75
[INFO] [stderr]     |
[INFO] [stderr] 958 |         ::std::result::Result::Ok(::capnp::traits::FromStructBuilder::new(try!(builder.get_struct(_private::STRUCT_SIZE, ::std::ptr::null()))))
[INFO] [stderr]     |                                                                           ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]     --> /opt/rustwide/target/debug/build/leaf-6fbc3916c8af7065/out/leaf_capnp.rs:1201:72
[INFO] [stderr]      |
[INFO] [stderr] 1201 |       ::std::result::Result::Ok(::capnp::traits::FromStructReader::new(try!(reader.get_struct(::std::ptr::null()))))
[INFO] [stderr]      |                                                                        ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]     --> /opt/rustwide/target/debug/build/leaf-6fbc3916c8af7065/out/leaf_capnp.rs:1261:73
[INFO] [stderr]      |
[INFO] [stderr] 1261 |       ::std::result::Result::Ok(::capnp::traits::FromStructBuilder::new(try!(builder.get_struct(_private::STRUCT_SIZE, ::std::ptr::null()))))
[INFO] [stderr]      |                                                                         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]     --> /opt/rustwide/target/debug/build/leaf-6fbc3916c8af7065/out/leaf_capnp.rs:1348:72
[INFO] [stderr]      |
[INFO] [stderr] 1348 |       ::std::result::Result::Ok(::capnp::traits::FromStructReader::new(try!(reader.get_struct(::std::ptr::null()))))
[INFO] [stderr]      |                                                                        ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]     --> /opt/rustwide/target/debug/build/leaf-6fbc3916c8af7065/out/leaf_capnp.rs:1426:73
[INFO] [stderr]      |
[INFO] [stderr] 1426 |       ::std::result::Result::Ok(::capnp::traits::FromStructBuilder::new(try!(builder.get_struct(_private::STRUCT_SIZE, ::std::ptr::null()))))
[INFO] [stderr]      |                                                                         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]     --> /opt/rustwide/target/debug/build/leaf-6fbc3916c8af7065/out/leaf_capnp.rs:1551:72
[INFO] [stderr]      |
[INFO] [stderr] 1551 |       ::std::result::Result::Ok(::capnp::traits::FromStructReader::new(try!(reader.get_struct(::std::ptr::null()))))
[INFO] [stderr]      |                                                                        ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]     --> /opt/rustwide/target/debug/build/leaf-6fbc3916c8af7065/out/leaf_capnp.rs:1608:73
[INFO] [stderr]      |
[INFO] [stderr] 1608 |       ::std::result::Result::Ok(::capnp::traits::FromStructBuilder::new(try!(builder.get_struct(_private::STRUCT_SIZE, ::std::ptr::null()))))
[INFO] [stderr]      |                                                                         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]     --> /opt/rustwide/target/debug/build/leaf-6fbc3916c8af7065/out/leaf_capnp.rs:1688:72
[INFO] [stderr]      |
[INFO] [stderr] 1688 |       ::std::result::Result::Ok(::capnp::traits::FromStructReader::new(try!(reader.get_struct(::std::ptr::null()))))
[INFO] [stderr]      |                                                                        ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]     --> /opt/rustwide/target/debug/build/leaf-6fbc3916c8af7065/out/leaf_capnp.rs:1766:73
[INFO] [stderr]      |
[INFO] [stderr] 1766 |       ::std::result::Result::Ok(::capnp::traits::FromStructBuilder::new(try!(builder.get_struct(_private::STRUCT_SIZE, ::std::ptr::null()))))
[INFO] [stderr]      |                                                                         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]     --> /opt/rustwide/target/debug/build/leaf-6fbc3916c8af7065/out/leaf_capnp.rs:1916:72
[INFO] [stderr]      |
[INFO] [stderr] 1916 |       ::std::result::Result::Ok(::capnp::traits::FromStructReader::new(try!(reader.get_struct(::std::ptr::null()))))
[INFO] [stderr]      |                                                                        ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]     --> /opt/rustwide/target/debug/build/leaf-6fbc3916c8af7065/out/leaf_capnp.rs:1987:73
[INFO] [stderr]      |
[INFO] [stderr] 1987 |       ::std::result::Result::Ok(::capnp::traits::FromStructBuilder::new(try!(builder.get_struct(_private::STRUCT_SIZE, ::std::ptr::null()))))
[INFO] [stderr]      |                                                                         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]     --> /opt/rustwide/target/debug/build/leaf-6fbc3916c8af7065/out/leaf_capnp.rs:2097:72
[INFO] [stderr]      |
[INFO] [stderr] 2097 |       ::std::result::Result::Ok(::capnp::traits::FromStructReader::new(try!(reader.get_struct(::std::ptr::null()))))
[INFO] [stderr]      |                                                                        ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]     --> /opt/rustwide/target/debug/build/leaf-6fbc3916c8af7065/out/leaf_capnp.rs:2164:73
[INFO] [stderr]      |
[INFO] [stderr] 2164 |       ::std::result::Result::Ok(::capnp::traits::FromStructBuilder::new(try!(builder.get_struct(_private::STRUCT_SIZE, ::std::ptr::null()))))
[INFO] [stderr]      |                                                                         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]     --> /opt/rustwide/target/debug/build/leaf-6fbc3916c8af7065/out/leaf_capnp.rs:2266:72
[INFO] [stderr]      |
[INFO] [stderr] 2266 |       ::std::result::Result::Ok(::capnp::traits::FromStructReader::new(try!(reader.get_struct(::std::ptr::null()))))
[INFO] [stderr]      |                                                                        ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]     --> /opt/rustwide/target/debug/build/leaf-6fbc3916c8af7065/out/leaf_capnp.rs:2323:73
[INFO] [stderr]      |
[INFO] [stderr] 2323 |       ::std::result::Result::Ok(::capnp::traits::FromStructBuilder::new(try!(builder.get_struct(_private::STRUCT_SIZE, ::std::ptr::null()))))
[INFO] [stderr]      |                                                                         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]     --> /opt/rustwide/target/debug/build/leaf-6fbc3916c8af7065/out/leaf_capnp.rs:2403:72
[INFO] [stderr]      |
[INFO] [stderr] 2403 |       ::std::result::Result::Ok(::capnp::traits::FromStructReader::new(try!(reader.get_struct(::std::ptr::null()))))
[INFO] [stderr]      |                                                                        ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]     --> /opt/rustwide/target/debug/build/leaf-6fbc3916c8af7065/out/leaf_capnp.rs:2463:73
[INFO] [stderr]      |
[INFO] [stderr] 2463 |       ::std::result::Result::Ok(::capnp::traits::FromStructBuilder::new(try!(builder.get_struct(_private::STRUCT_SIZE, ::std::ptr::null()))))
[INFO] [stderr]      |                                                                         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/layer.rs:37:21
[INFO] [stderr]    |
[INFO] [stderr] 37 |     pub worker: Box<ILayer<B>>,
[INFO] [stderr]    |                     ^^^^^^^^^ help: use `dyn`: `dyn ILayer<B>`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/layer.rs:212:29
[INFO] [stderr]     |
[INFO] [stderr] 212 |             let backend: Rc<IBackend<F=B::F>> = self.backend.clone();
[INFO] [stderr]     |                             ^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn IBackend<F=B::F>`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/layer.rs:236:25
[INFO] [stderr]     |
[INFO] [stderr] 236 |         let backend: Rc<IBackend<F=B::F>> = self.backend.clone();
[INFO] [stderr]     |                         ^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn IBackend<F=B::F>`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/layer.rs:885:72
[INFO] [stderr]     |
[INFO] [stderr] 885 |     fn worker_from_config(backend: Rc<B>, config: &LayerConfig) -> Box<ILayer<B>> {
[INFO] [stderr]     |                                                                        ^^^^^^^^^ help: use `dyn`: `dyn ILayer<B>`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]     --> src/layer.rs:1279:34
[INFO] [stderr]      |
[INFO] [stderr] 1279 | impl<B: IBackend> fmt::Debug for ILayer<B> {
[INFO] [stderr]      |                                  ^^^^^^^^^ help: use `dyn`: `dyn ILayer<B>`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/layers/container/sequential.rs:160:30
[INFO] [stderr]     |
[INFO] [stderr] 160 |             let ibackend: Rc<IBackend<F=B::F>> = backend;
[INFO] [stderr]     |                              ^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn IBackend<F=B::F>`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/solver/mod.rs:25:21
[INFO] [stderr]    |
[INFO] [stderr] 25 |     pub worker: Box<ISolver<SolverB, B>>,
[INFO] [stderr]    |                     ^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn ISolver<SolverB, B>`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/solver/mod.rs:131:66
[INFO] [stderr]     |
[INFO] [stderr] 131 | impl<SolverB, B: IBackend + LayerOps<f32>> ::std::fmt::Debug for ISolver<SolverB, B> {
[INFO] [stderr]     |                                                                  ^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn ISolver<SolverB, B>`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/solver/mod.rs:340:159
[INFO] [stderr]     |
[INFO] [stderr] 340 |     pub fn with_config<B: IBackend + SolverOps<f32> + 'static, NetB: IBackend + LayerOps<f32> + 'static>(&self, backend: Rc<B>, config: &SolverConfig) -> Box<ISolver<B, NetB>> {
[INFO] [stderr]     |                                                                                                                                                               ^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn ISolver<B, NetB>`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/solver/mod.rs:359:159
[INFO] [stderr]     |
[INFO] [stderr] 359 |     pub fn with_config<B: IBackend + SolverOps<f32> + 'static, NetB: IBackend + LayerOps<f32> + 'static>(&self, backend: Rc<B>, config: &SolverConfig) -> Box<ISolver<B, NetB>> {
[INFO] [stderr]     |                                                                                                                                                               ^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn ISolver<B, NetB>`
[INFO] [stderr] 
[INFO] [stderr] error: a macro named `impl_ilayer_common` has already been exported
[INFO] [stderr]   --> src/layers/container/mod.rs:6:1
[INFO] [stderr]    |
[INFO] [stderr] 6  | / macro_rules! impl_ilayer_common {
[INFO] [stderr] 7  | |     () => (
[INFO] [stderr] 8  | |         fn exact_num_output_blobs(&self) -> Option<usize> { Some(1) }
[INFO] [stderr] 9  | |         fn exact_num_input_blobs(&self) -> Option<usize> { Some(1) }
[INFO] [stderr] 10 | |     )
[INFO] [stderr] 11 | | }
[INFO] [stderr]    | |_^ `impl_ilayer_common` already exported
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[deny(duplicate_macro_exports)]` on by default
[INFO] [stderr]    = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2018 edition!
[INFO] [stderr]    = note: for more information, see issue #35896 <https://github.com/rust-lang/rust/issues/35896>
[INFO] [stderr] note: previous macro export is now shadowed
[INFO] [stderr]   --> src/layers/common/mod.rs:6:1
[INFO] [stderr]    |
[INFO] [stderr] 6  | / macro_rules! impl_ilayer_common {
[INFO] [stderr] 7  | |     () => (
[INFO] [stderr] 8  | |         fn exact_num_output_blobs(&self) -> Option<usize> { Some(1) }
[INFO] [stderr] 9  | |         fn exact_num_input_blobs(&self) -> Option<usize> { Some(1) }
[INFO] [stderr] 10 | |     )
[INFO] [stderr] 11 | | }
[INFO] [stderr]    | |_^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/layer.rs:621:27
[INFO] [stderr]     |
[INFO] [stderr] 621 |         let ref mut out = try!(File::create(path));
[INFO] [stderr]     |                           ^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(deprecated)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/layer.rs:672:28
[INFO] [stderr]     |
[INFO] [stderr] 672 |         let ref mut file = try!(File::open(path));
[INFO] [stderr]     |                            ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]     --> src/layer.rs:1476:9
[INFO] [stderr]      |
[INFO] [stderr] 1476 |         try!(self.validate_propagate_down_len());
[INFO] [stderr]      |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/util.rs:83:9
[INFO] [stderr]    |
[INFO] [stderr] 83 |         try!(self.scal(b, y));
[INFO] [stderr]    |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/util.rs:84:9
[INFO] [stderr]    |
[INFO] [stderr] 84 |         try!(self.axpy(a, x, y));
[INFO] [stderr]    |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/util.rs:92:9
[INFO] [stderr]    |
[INFO] [stderr] 92 |         try!(self.scal_plain(b, y));
[INFO] [stderr]    |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/util.rs:93:9
[INFO] [stderr]    |
[INFO] [stderr] 93 |         try!(self.axpy_plain(a, x, y));
[INFO] [stderr]    |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> /opt/rustwide/target/debug/build/leaf-6fbc3916c8af7065/out/leaf_capnp.rs:37:72
[INFO] [stderr]    |
[INFO] [stderr] 37 |       ::std::result::Result::Ok(::capnp::traits::FromStructReader::new(try!(reader.get_struct(::std::ptr::null()))))
[INFO] [stderr]    |                                                                        ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> /opt/rustwide/target/debug/build/leaf-6fbc3916c8af7065/out/leaf_capnp.rs:104:73
[INFO] [stderr]     |
[INFO] [stderr] 104 |       ::std::result::Result::Ok(::capnp::traits::FromStructBuilder::new(try!(builder.get_struct(_private::STRUCT_SIZE, ::std::ptr::null()))))
[INFO] [stderr]     |                                                                         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> /opt/rustwide/target/debug/build/leaf-6fbc3916c8af7065/out/leaf_capnp.rs:209:72
[INFO] [stderr]     |
[INFO] [stderr] 209 |       ::std::result::Result::Ok(::capnp::traits::FromStructReader::new(try!(reader.get_struct(::std::ptr::null()))))
[INFO] [stderr]     |                                                                        ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> /opt/rustwide/target/debug/build/leaf-6fbc3916c8af7065/out/leaf_capnp.rs:276:73
[INFO] [stderr]     |
[INFO] [stderr] 276 |       ::std::result::Result::Ok(::capnp::traits::FromStructBuilder::new(try!(builder.get_struct(_private::STRUCT_SIZE, ::std::ptr::null()))))
[INFO] [stderr]     |                                                                         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> /opt/rustwide/target/debug/build/leaf-6fbc3916c8af7065/out/leaf_capnp.rs:378:72
[INFO] [stderr]     |
[INFO] [stderr] 378 |       ::std::result::Result::Ok(::capnp::traits::FromStructReader::new(try!(reader.get_struct(::std::ptr::null()))))
[INFO] [stderr]     |                                                                        ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> /opt/rustwide/target/debug/build/leaf-6fbc3916c8af7065/out/leaf_capnp.rs:452:73
[INFO] [stderr]     |
[INFO] [stderr] 452 |       ::std::result::Result::Ok(::capnp::traits::FromStructBuilder::new(try!(builder.get_struct(_private::STRUCT_SIZE, ::std::ptr::null()))))
[INFO] [stderr]     |                                                                         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> /opt/rustwide/target/debug/build/leaf-6fbc3916c8af7065/out/leaf_capnp.rs:572:72
[INFO] [stderr]     |
[INFO] [stderr] 572 |       ::std::result::Result::Ok(::capnp::traits::FromStructReader::new(try!(reader.get_struct(::std::ptr::null()))))
[INFO] [stderr]     |                                                                        ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> /opt/rustwide/target/debug/build/leaf-6fbc3916c8af7065/out/leaf_capnp.rs:664:73
[INFO] [stderr]     |
[INFO] [stderr] 664 |       ::std::result::Result::Ok(::capnp::traits::FromStructBuilder::new(try!(builder.get_struct(_private::STRUCT_SIZE, ::std::ptr::null()))))
[INFO] [stderr]     |                                                                         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> /opt/rustwide/target/debug/build/leaf-6fbc3916c8af7065/out/leaf_capnp.rs:825:74
[INFO] [stderr]     |
[INFO] [stderr] 825 |         ::std::result::Result::Ok(::capnp::traits::FromStructReader::new(try!(reader.get_struct(::std::ptr::null()))))
[INFO] [stderr]     |                                                                          ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> /opt/rustwide/target/debug/build/leaf-6fbc3916c8af7065/out/leaf_capnp.rs:958:75
[INFO] [stderr]     |
[INFO] [stderr] 958 |         ::std::result::Result::Ok(::capnp::traits::FromStructBuilder::new(try!(builder.get_struct(_private::STRUCT_SIZE, ::std::ptr::null()))))
[INFO] [stderr]     |                                                                           ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]     --> /opt/rustwide/target/debug/build/leaf-6fbc3916c8af7065/out/leaf_capnp.rs:1201:72
[INFO] [stderr]      |
[INFO] [stderr] 1201 |       ::std::result::Result::Ok(::capnp::traits::FromStructReader::new(try!(reader.get_struct(::std::ptr::null()))))
[INFO] [stderr]      |                                                                        ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]     --> /opt/rustwide/target/debug/build/leaf-6fbc3916c8af7065/out/leaf_capnp.rs:1261:73
[INFO] [stderr]      |
[INFO] [stderr] 1261 |       ::std::result::Result::Ok(::capnp::traits::FromStructBuilder::new(try!(builder.get_struct(_private::STRUCT_SIZE, ::std::ptr::null()))))
[INFO] [stderr]      |                                                                         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]     --> /opt/rustwide/target/debug/build/leaf-6fbc3916c8af7065/out/leaf_capnp.rs:1348:72
[INFO] [stderr]      |
[INFO] [stderr] 1348 |       ::std::result::Result::Ok(::capnp::traits::FromStructReader::new(try!(reader.get_struct(::std::ptr::null()))))
[INFO] [stderr]      |                                                                        ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]     --> /opt/rustwide/target/debug/build/leaf-6fbc3916c8af7065/out/leaf_capnp.rs:1426:73
[INFO] [stderr]      |
[INFO] [stderr] 1426 |       ::std::result::Result::Ok(::capnp::traits::FromStructBuilder::new(try!(builder.get_struct(_private::STRUCT_SIZE, ::std::ptr::null()))))
[INFO] [stderr]      |                                                                         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]     --> /opt/rustwide/target/debug/build/leaf-6fbc3916c8af7065/out/leaf_capnp.rs:1551:72
[INFO] [stderr]      |
[INFO] [stderr] 1551 |       ::std::result::Result::Ok(::capnp::traits::FromStructReader::new(try!(reader.get_struct(::std::ptr::null()))))
[INFO] [stderr]      |                                                                        ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]     --> /opt/rustwide/target/debug/build/leaf-6fbc3916c8af7065/out/leaf_capnp.rs:1608:73
[INFO] [stderr]      |
[INFO] [stderr] 1608 |       ::std::result::Result::Ok(::capnp::traits::FromStructBuilder::new(try!(builder.get_struct(_private::STRUCT_SIZE, ::std::ptr::null()))))
[INFO] [stderr]      |                                                                         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]     --> /opt/rustwide/target/debug/build/leaf-6fbc3916c8af7065/out/leaf_capnp.rs:1688:72
[INFO] [stderr]      |
[INFO] [stderr] 1688 |       ::std::result::Result::Ok(::capnp::traits::FromStructReader::new(try!(reader.get_struct(::std::ptr::null()))))
[INFO] [stderr]      |                                                                        ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]     --> /opt/rustwide/target/debug/build/leaf-6fbc3916c8af7065/out/leaf_capnp.rs:1766:73
[INFO] [stderr]      |
[INFO] [stderr] 1766 |       ::std::result::Result::Ok(::capnp::traits::FromStructBuilder::new(try!(builder.get_struct(_private::STRUCT_SIZE, ::std::ptr::null()))))
[INFO] [stderr]      |                                                                         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]     --> /opt/rustwide/target/debug/build/leaf-6fbc3916c8af7065/out/leaf_capnp.rs:1916:72
[INFO] [stderr]      |
[INFO] [stderr] 1916 |       ::std::result::Result::Ok(::capnp::traits::FromStructReader::new(try!(reader.get_struct(::std::ptr::null()))))
[INFO] [stderr]      |                                                                        ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]     --> /opt/rustwide/target/debug/build/leaf-6fbc3916c8af7065/out/leaf_capnp.rs:1987:73
[INFO] [stderr]      |
[INFO] [stderr] 1987 |       ::std::result::Result::Ok(::capnp::traits::FromStructBuilder::new(try!(builder.get_struct(_private::STRUCT_SIZE, ::std::ptr::null()))))
[INFO] [stderr]      |                                                                         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]     --> /opt/rustwide/target/debug/build/leaf-6fbc3916c8af7065/out/leaf_capnp.rs:2097:72
[INFO] [stderr]      |
[INFO] [stderr] 2097 |       ::std::result::Result::Ok(::capnp::traits::FromStructReader::new(try!(reader.get_struct(::std::ptr::null()))))
[INFO] [stderr]      |                                                                        ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]     --> /opt/rustwide/target/debug/build/leaf-6fbc3916c8af7065/out/leaf_capnp.rs:2164:73
[INFO] [stderr]      |
[INFO] [stderr] 2164 |       ::std::result::Result::Ok(::capnp::traits::FromStructBuilder::new(try!(builder.get_struct(_private::STRUCT_SIZE, ::std::ptr::null()))))
[INFO] [stderr]      |                                                                         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]     --> /opt/rustwide/target/debug/build/leaf-6fbc3916c8af7065/out/leaf_capnp.rs:2266:72
[INFO] [stderr]      |
[INFO] [stderr] 2266 |       ::std::result::Result::Ok(::capnp::traits::FromStructReader::new(try!(reader.get_struct(::std::ptr::null()))))
[INFO] [stderr]      |                                                                        ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]     --> /opt/rustwide/target/debug/build/leaf-6fbc3916c8af7065/out/leaf_capnp.rs:2323:73
[INFO] [stderr]      |
[INFO] [stderr] 2323 |       ::std::result::Result::Ok(::capnp::traits::FromStructBuilder::new(try!(builder.get_struct(_private::STRUCT_SIZE, ::std::ptr::null()))))
[INFO] [stderr]      |                                                                         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]     --> /opt/rustwide/target/debug/build/leaf-6fbc3916c8af7065/out/leaf_capnp.rs:2403:72
[INFO] [stderr]      |
[INFO] [stderr] 2403 |       ::std::result::Result::Ok(::capnp::traits::FromStructReader::new(try!(reader.get_struct(::std::ptr::null()))))
[INFO] [stderr]      |                                                                        ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]     --> /opt/rustwide/target/debug/build/leaf-6fbc3916c8af7065/out/leaf_capnp.rs:2463:73
[INFO] [stderr]      |
[INFO] [stderr] 2463 |       ::std::result::Result::Ok(::capnp::traits::FromStructBuilder::new(try!(builder.get_struct(_private::STRUCT_SIZE, ::std::ptr::null()))))
[INFO] [stderr]      |                                                                         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/layer.rs:37:21
[INFO] [stderr]    |
[INFO] [stderr] 37 |     pub worker: Box<ILayer<B>>,
[INFO] [stderr]    |                     ^^^^^^^^^ help: use `dyn`: `dyn ILayer<B>`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/layer.rs:212:29
[INFO] [stderr]     |
[INFO] [stderr] 212 |             let backend: Rc<IBackend<F=B::F>> = self.backend.clone();
[INFO] [stderr]     |                             ^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn IBackend<F=B::F>`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/layer.rs:236:25
[INFO] [stderr]     |
[INFO] [stderr] 236 |         let backend: Rc<IBackend<F=B::F>> = self.backend.clone();
[INFO] [stderr]     |                         ^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn IBackend<F=B::F>`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/layer.rs:885:72
[INFO] [stderr]     |
[INFO] [stderr] 885 |     fn worker_from_config(backend: Rc<B>, config: &LayerConfig) -> Box<ILayer<B>> {
[INFO] [stderr]     |                                                                        ^^^^^^^^^ help: use `dyn`: `dyn ILayer<B>`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]     --> src/layer.rs:1279:34
[INFO] [stderr]      |
[INFO] [stderr] 1279 | impl<B: IBackend> fmt::Debug for ILayer<B> {
[INFO] [stderr]      |                                  ^^^^^^^^^ help: use `dyn`: `dyn ILayer<B>`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/layers/container/sequential.rs:160:30
[INFO] [stderr]     |
[INFO] [stderr] 160 |             let ibackend: Rc<IBackend<F=B::F>> = backend;
[INFO] [stderr]     |                              ^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn IBackend<F=B::F>`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/solver/mod.rs:25:21
[INFO] [stderr]    |
[INFO] [stderr] 25 |     pub worker: Box<ISolver<SolverB, B>>,
[INFO] [stderr]    |                     ^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn ISolver<SolverB, B>`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/solver/mod.rs:131:66
[INFO] [stderr]     |
[INFO] [stderr] 131 | impl<SolverB, B: IBackend + LayerOps<f32>> ::std::fmt::Debug for ISolver<SolverB, B> {
[INFO] [stderr]     |                                                                  ^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn ISolver<SolverB, B>`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/solver/mod.rs:340:159
[INFO] [stderr]     |
[INFO] [stderr] 340 |     pub fn with_config<B: IBackend + SolverOps<f32> + 'static, NetB: IBackend + LayerOps<f32> + 'static>(&self, backend: Rc<B>, config: &SolverConfig) -> Box<ISolver<B, NetB>> {
[INFO] [stderr]     |                                                                                                                                                               ^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn ISolver<B, NetB>`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/solver/mod.rs:359:159
[INFO] [stderr]     |
[INFO] [stderr] 359 |     pub fn with_config<B: IBackend + SolverOps<f32> + 'static, NetB: IBackend + LayerOps<f32> + 'static>(&self, backend: Rc<B>, config: &SolverConfig) -> Box<ISolver<B, NetB>> {
[INFO] [stderr]     |                                                                                                                                                               ^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn ISolver<B, NetB>`
[INFO] [stderr] 
[INFO] [stderr] warning: unreachable statement
[INFO] [stderr]    --> src/layers/common/linear.rs:130:13
[INFO] [stderr]     |
[INFO] [stderr] 130 |             let bias_data = unimplemented!();
[INFO] [stderr]     |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unreachable_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unreachable statement
[INFO] [stderr]    --> src/layers/common/linear.rs:130:13
[INFO] [stderr]     |
[INFO] [stderr] 130 |             let bias_data = unimplemented!();
[INFO] [stderr]     |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unreachable_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `coblas::plugin`
[INFO] [stderr]   --> src/layers/common/linear.rs:25:5
[INFO] [stderr]    |
[INFO] [stderr] 25 | use coblas::plugin::*;
[INFO] [stderr]    |     ^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `coblas::plugin::Copy`
[INFO] [stderr]   --> src/solvers/sgd/momentum.rs:16:5
[INFO] [stderr]    |
[INFO] [stderr] 16 | use coblas::plugin::Copy;
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `conn::NN`
[INFO] [stderr]   --> src/solvers/mod.rs:35:5
[INFO] [stderr]    |
[INFO] [stderr] 35 | use conn::NN;
[INFO] [stderr]    |     ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to previous error
[INFO] [stderr] 
[INFO] [stderr] error: Could not compile `leaf`.
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] warning: unused import: `coblas::plugin`
[INFO] [stderr]   --> src/layers/common/linear.rs:25:5
[INFO] [stderr]    |
[INFO] [stderr] 25 | use coblas::plugin::*;
[INFO] [stderr]    |     ^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `coblas::plugin::Copy`
[INFO] [stderr]   --> src/solvers/sgd/momentum.rs:16:5
[INFO] [stderr]    |
[INFO] [stderr] 16 | use coblas::plugin::Copy;
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `conn::NN`
[INFO] [stderr]   --> src/solvers/mod.rs:35:5
[INFO] [stderr]    |
[INFO] [stderr] 35 | use conn::NN;
[INFO] [stderr]    |     ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to previous error
[INFO] [stderr] 
[INFO] [stderr] error: Could not compile `leaf`.
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] running `"docker" "inspect" "8af5c34d240a70ba25029e65f14c656d2195dd4719714fd6d56d7e711c46037e"`
[INFO] running `"docker" "rm" "-f" "8af5c34d240a70ba25029e65f14c656d2195dd4719714fd6d56d7e711c46037e"`
[INFO] [stdout] 8af5c34d240a70ba25029e65f14c656d2195dd4719714fd6d56d7e711c46037e