unresolved import `leaf::solver::*`. Could not find `solver` in `leaf` [E0432]

Hi,

I have problem compiling the examples. Here is the terminal output

~/P/leaf-examples$ cargo build --release --verbose
       Fresh winapi-build v0.1.1
       Fresh language-tags v0.0.7
       Fresh libc v0.2.7
       Fresh gcc v0.3.25
       Fresh utf8-ranges v0.1.3
       Fresh rustc-serialize v0.3.18
       Fresh libc v0.1.12
       Fresh byteorder v0.3.13
       Fresh memchr v0.1.10
       Fresh num_cpus v0.2.11
       Fresh strsim v0.3.0
       Fresh pkg-config v0.3.7
       Fresh log v0.3.5
       Fresh winapi v0.2.5
       Fresh csv v0.14.3
       Fresh aho-corasick v0.5.1
       Fresh byteorder v0.4.2
       Fresh typeable v0.1.2
       Fresh hpack v0.2.0
       Fresh matches v0.1.2
       Fresh kernel32-sys v0.2.1
       Fresh linear-map v0.0.4
       Fresh bitflags v0.3.3
       Fresh semver v0.1.20
       Fresh regex-syntax v0.2.5
       Fresh solicit v0.4.4
       Fresh lazy_static v0.1.15
       Fresh time v0.1.34
       Fresh httparse v1.1.1
       Fresh rustc_version v0.1.7
       Fresh regex v0.1.55
       Fresh openssl-sys v0.6.7
       Fresh traitobject v0.0.1
       Fresh rand v0.3.14
       Fresh timeit v0.1.2
       Fresh env_logger v0.3.2
       Fresh docopt v0.6.78
       Fresh openssl v0.6.7
       Fresh uuid v0.1.18
       Fresh num v0.1.31
       Fresh url v0.2.38
       Fresh enum_primitive v0.1.0
       Fresh serde v0.6.15
       Fresh rblas v0.0.11
       Fresh unicase v1.3.0
       Fresh cookie v0.1.21
       Fresh collenchyma v0.0.8
       Fresh mime v0.1.3
       Fresh collenchyma-nn v0.3.4
       Fresh collenchyma-blas v0.2.0
       Fresh hyper v0.6.16
       Fresh leaf v0.2.0
   Compiling leaf-examples v0.1.0 (file:///home/yyc/P/leaf-examples)
     Running `rustc src/main.rs --crate-name leaf_examples --crate-type bin -C opt-level=3 --cfg feature=\"collenchyma\" --cfg feature=\"native\" --cfg feature=\"leaf\" --cfg feature=\"default\" --out-dir /home/yyc/P/leaf-examples/target/release --emit=dep-info,link -L dependency=/home/yyc/P/leaf-examples/target/release -L dependency=/home/yyc/P/leaf-examples/target/release/deps --extern log=/home/yyc/P/leaf-examples/target/release/deps/liblog-0b1f2bad29d31333.rlib --extern hyper=/home/yyc/P/leaf-examples/target/release/deps/libhyper-2ba027f1404b8ddb.rlib --extern collenchyma=/home/yyc/P/leaf-examples/target/release/deps/libcollenchyma-9c720fde0214e273.rlib --extern env_logger=/home/yyc/P/leaf-examples/target/release/deps/libenv_logger-2fedde90a22290a6.rlib --extern rustc_serialize=/home/yyc/P/leaf-examples/target/release/deps/librustc_serialize-79a17eda1cd94e46.rlib --extern leaf=/home/yyc/P/leaf-examples/target/release/deps/libleaf-1941b6714b37cdd8.rlib --extern docopt=/home/yyc/P/leaf-examples/target/release/deps/libdocopt-eb02b06dca39e75f.rlib --extern csv=/home/yyc/P/leaf-examples/target/release/deps/libcsv-38833c6c563f720e.rlib -L native=/usr/lib/x86_64-linux-gnu -L native=/home/yyc/P/leaf-examples/target/release/build/openssl-sys-ccfba7b0e0a23a8e/out`
src/main.rs:21:5: 21:21 error: unresolved import `leaf::solver::*`. Could not find `solver` in `leaf` [E0432]
src/main.rs:21 use leaf::solver::*;
                   ^~~~~~~~~~~~~~~~
src/main.rs:21:5: 21:21 help: run `rustc --explain E0432` to see a detailed explanation
error: aborting due to previous error
Could not compile `leaf-examples`.

Caused by:
  Process didn't exit successfully: `rustc src/main.rs --crate-name leaf_examples --crate-type bin -C opt-level=3 --cfg feature="collenchyma" --cfg feature="native" --cfg feature="leaf" --cfg feature="default" --out-dir /home/yyc/P/leaf-examples/target/release --emit=dep-info,link -L dependency=/home/yyc/P/leaf-examples/target/release -L dependency=/home/yyc/P/leaf-examples/target/release/deps --extern log=/home/yyc/P/leaf-examples/target/release/deps/liblog-0b1f2bad29d31333.rlib --extern hyper=/home/yyc/P/leaf-examples/target/release/deps/libhyper-2ba027f1404b8ddb.rlib --extern collenchyma=/home/yyc/P/leaf-examples/target/release/deps/libcollenchyma-9c720fde0214e273.rlib --extern env_logger=/home/yyc/P/leaf-examples/target/release/deps/libenv_logger-2fedde90a22290a6.rlib --extern rustc_serialize=/home/yyc/P/leaf-examples/target/release/deps/librustc_serialize-79a17eda1cd94e46.rlib --extern leaf=/home/yyc/P/leaf-examples/target/release/deps/libleaf-1941b6714b37cdd8.rlib --extern docopt=/home/yyc/P/leaf-examples/target/release/deps/libdocopt-eb02b06dca39e75f.rlib --extern csv=/home/yyc/P/leaf-examples/target/release/deps/libcsv-38833c6c563f720e.rlib -L native=/usr/lib/x86_64-linux-gnu -L native=/home/yyc/P/leaf-examples/target/release/build/openssl-sys-ccfba7b0e0a23a8e/out` (exit code: 101)

and the TOML, where I just disabled CUDA and OpenCL

[package]
name = "leaf-examples"
description = "Examples for the Machine Learning Framework 'Leaf'"
version = "0.1.0"
authors = ["Michael Hirn <mj@autumnai.com>",
           "Maximilian Goisser <max@autumnai.com>"]

[dependencies]
# cuticula = "0.1.4"
leaf = { version = "0.2.0", default-features = false }
collenchyma = { version = "0.0.8", default-features = false }

csv = "0.14"
hyper = "0.6"

log = "0.3"
env_logger = "0.3"

# CLI tooling
docopt = "0.6.75"
rustc-serialize = "0.3"

clippy = { version = "0.0.23", optional = true }

[features]
default = ["native"]
native = ["leaf/native", "collenchyma/native"]
opencl = ["leaf/opencl", "collenchyma/opencl"]
cuda = ["leaf/cuda", "collenchyma/cuda"]

[profile.dev]
opt-level = 0
debug = true
rpath = false
lto = false
debug-assertions = true
codegen-units = 2

$ rustc --version
rustc 1.7.0 (a5d1e7a59 2016-02-29)
$ cargo --version
cargo 0.8.0-nightly (28a0cbb 2016-01-17)

Thanks for any hint

autumnai / leaf-examples

unresolved import `leaf::solver::*`. Could not find `solver` in `leaf` [E0432] #11