[INFO] updating cached repository https://github.com/dzharikhin/ml_example
[INFO] running `"git" "-c" "credential.helper=" "-c" "credential.helper=/big/crater/work/cargo-home/bin/git-credential-null" "-c" "remote.origin.fetch=refs/heads/*:refs/heads/*" "fetch" "origin" "--force" "--prune"`
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 85bfec1529dce86c9792da08cd1216ae7b68168a
[INFO] testing dzharikhin/ml_example against beta-2019-09-28 for beta-1.39-1
[INFO] running `"git" "clone" "work/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdzharikhin%2Fml_example" "work/builds/worker-5/source"`
[INFO] [stderr] Cloning into 'work/builds/worker-5/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/dzharikhin/ml_example on toolchain beta-2019-09-28
[INFO] running `"/big/crater/work/cargo-home/bin/cargo" "+beta-2019-09-28" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking git repo https://github.com/dzharikhin/ml_example
[INFO] finished tweaking git repo https://github.com/dzharikhin/ml_example
[INFO] tweaked toml for git repo https://github.com/dzharikhin/ml_example written to work/builds/worker-5/source/Cargo.toml
[INFO] crate git repo https://github.com/dzharikhin/ml_example already has a lockfile, it will not be regenerated
[INFO] running `"/big/crater/work/cargo-home/bin/cargo" "+beta-2019-09-28" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/big/crater/work/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/big/crater/work/builds/worker-5/source:/opt/rustwide/workdir:ro,Z" "-v" "/big/crater/work/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/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=warn" "-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" "+beta-2019-09-28" "build" "--frozen"`
[INFO] [stdout] 1d9f249b9ea6b9ab853fa8464fc7ced3f133d837a302328742ec63f3c499fccf
[INFO] running `"docker" "start" "-a" "1d9f249b9ea6b9ab853fa8464fc7ced3f133d837a302328742ec63f3c499fccf"`
[INFO] [stderr]    Compiling either v1.1.0
[INFO] [stderr]    Compiling rand v0.3.15
[INFO] [stderr]    Compiling itertools v0.6.1
[INFO] [stderr]    Compiling ml-example v0.0.1 (/opt/rustwide/workdir)
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/neural/main.rs:38:25
[INFO] [stderr]    |
[INFO] [stderr] 38 | fn generate_data(func: &Fn(f64, f64, f64) -> f64, amount: usize) -> Vec<DataSample> {
[INFO] [stderr]    |                         ^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Fn(f64, f64, f64) -> f64`
[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/tree/main.rs:22:40
[INFO] [stderr]    |
[INFO] [stderr] 22 |     providers: &'r HashMap<String, Box<Fn(&Object) -> i8>>,
[INFO] [stderr]    |                                        ^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Fn(&Object) -> i8`
[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/tree/main.rs:23:32
[INFO] [stderr]    |
[INFO] [stderr] 23 |     route_map: HashMap<i8, Box<Node + 'r>>
[INFO] [stderr]    |                                ^^^^^^^^^ help: use `dyn`: `dyn Node + 'r`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/tree/main.rs:47:43
[INFO] [stderr]    |
[INFO] [stderr] 47 |     let mut providers:HashMap<String, Box<Fn(&Object) -> i8>> = HashMap::new();
[INFO] [stderr]    |                                           ^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Fn(&Object) -> i8`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/tree/main.rs:68:78
[INFO] [stderr]    |
[INFO] [stderr] 68 | fn build_tree<'a>(data: Vec<TrainObject>, providers: &'a HashMap<String, Box<Fn(&Object) -> i8>>) -> Box<Node + 'a> {
[INFO] [stderr]    |                                                                              ^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Fn(&Object) -> i8`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/tree/main.rs:68:106
[INFO] [stderr]    |
[INFO] [stderr] 68 | fn build_tree<'a>(data: Vec<TrainObject>, providers: &'a HashMap<String, Box<Fn(&Object) -> i8>>) -> Box<Node + 'a> {
[INFO] [stderr]    |                                                                                                          ^^^^^^^^^ help: use `dyn`: `dyn Node + 'a`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/tree/main.rs:118:46
[INFO] [stderr]     |
[INFO] [stderr] 118 | fn calculate_gini_for_feature(provider: &Box<Fn(&Object) -> i8>, data: &[TrainObject], classes: &Vec<i8>) -> f64 {
[INFO] [stderr]     |                                              ^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Fn(&Object) -> i8`
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `gate`
[INFO] [stderr]    --> src/neural/main.rs:127:1
[INFO] [stderr]     |
[INFO] [stderr] 127 | fn gate(val: f64) -> f64 {
[INFO] [stderr]     | ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `sigmoid_derivative`
[INFO] [stderr]    --> src/neural/main.rs:135:1
[INFO] [stderr]     |
[INFO] [stderr] 135 | fn sigmoid_derivative(x: f64) -> f64 {
[INFO] [stderr]     | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.31s
[INFO] running `"docker" "inspect" "1d9f249b9ea6b9ab853fa8464fc7ced3f133d837a302328742ec63f3c499fccf"`
[INFO] running `"docker" "rm" "-f" "1d9f249b9ea6b9ab853fa8464fc7ced3f133d837a302328742ec63f3c499fccf"`
[INFO] [stdout] 1d9f249b9ea6b9ab853fa8464fc7ced3f133d837a302328742ec63f3c499fccf
[INFO] running `"docker" "create" "-v" "/big/crater/work/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/big/crater/work/builds/worker-5/source:/opt/rustwide/workdir:ro,Z" "-v" "/big/crater/work/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/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=warn" "-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" "+beta-2019-09-28" "test" "--frozen" "--no-run"`
[INFO] [stdout] 0a071a87afbcd674c02cd2ffced15932667f0a6009f3d2a5319a0afd5425da87
[INFO] running `"docker" "start" "-a" "0a071a87afbcd674c02cd2ffced15932667f0a6009f3d2a5319a0afd5425da87"`
[INFO] [stderr]    Compiling ml-example v0.0.1 (/opt/rustwide/workdir)
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/neural/main.rs:38:25
[INFO] [stderr]    |
[INFO] [stderr] 38 | fn generate_data(func: &Fn(f64, f64, f64) -> f64, amount: usize) -> Vec<DataSample> {
[INFO] [stderr]    |                         ^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Fn(f64, f64, f64) -> f64`
[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/tree/main.rs:22:40
[INFO] [stderr]    |
[INFO] [stderr] 22 |     providers: &'r HashMap<String, Box<Fn(&Object) -> i8>>,
[INFO] [stderr]    |                                        ^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Fn(&Object) -> i8`
[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/tree/main.rs:23:32
[INFO] [stderr]    |
[INFO] [stderr] 23 |     route_map: HashMap<i8, Box<Node + 'r>>
[INFO] [stderr]    |                                ^^^^^^^^^ help: use `dyn`: `dyn Node + 'r`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/tree/main.rs:47:43
[INFO] [stderr]    |
[INFO] [stderr] 47 |     let mut providers:HashMap<String, Box<Fn(&Object) -> i8>> = HashMap::new();
[INFO] [stderr]    |                                           ^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Fn(&Object) -> i8`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/tree/main.rs:68:78
[INFO] [stderr]    |
[INFO] [stderr] 68 | fn build_tree<'a>(data: Vec<TrainObject>, providers: &'a HashMap<String, Box<Fn(&Object) -> i8>>) -> Box<Node + 'a> {
[INFO] [stderr]    |                                                                              ^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Fn(&Object) -> i8`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/tree/main.rs:68:106
[INFO] [stderr]    |
[INFO] [stderr] 68 | fn build_tree<'a>(data: Vec<TrainObject>, providers: &'a HashMap<String, Box<Fn(&Object) -> i8>>) -> Box<Node + 'a> {
[INFO] [stderr]    |                                                                                                          ^^^^^^^^^ help: use `dyn`: `dyn Node + 'a`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/tree/main.rs:118:46
[INFO] [stderr]     |
[INFO] [stderr] 118 | fn calculate_gini_for_feature(provider: &Box<Fn(&Object) -> i8>, data: &[TrainObject], classes: &Vec<i8>) -> f64 {
[INFO] [stderr]     |                                              ^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Fn(&Object) -> i8`
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `gate`
[INFO] [stderr]    --> src/neural/main.rs:127:1
[INFO] [stderr]     |
[INFO] [stderr] 127 | fn gate(val: f64) -> f64 {
[INFO] [stderr]     | ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `sigmoid_derivative`
[INFO] [stderr]    --> src/neural/main.rs:135:1
[INFO] [stderr]     |
[INFO] [stderr] 135 | fn sigmoid_derivative(x: f64) -> f64 {
[INFO] [stderr]     | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.38s
[INFO] running `"docker" "inspect" "0a071a87afbcd674c02cd2ffced15932667f0a6009f3d2a5319a0afd5425da87"`
[INFO] running `"docker" "rm" "-f" "0a071a87afbcd674c02cd2ffced15932667f0a6009f3d2a5319a0afd5425da87"`
[INFO] [stdout] 0a071a87afbcd674c02cd2ffced15932667f0a6009f3d2a5319a0afd5425da87
[INFO] running `"docker" "create" "-v" "/big/crater/work/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/big/crater/work/builds/worker-5/source:/opt/rustwide/workdir:ro,Z" "-v" "/big/crater/work/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/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=warn" "-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" "+beta-2019-09-28" "test" "--frozen"`
[INFO] [stdout] b755644eda33563a05ff7590a44f98c88b86560b59009ae90f162f4140553ff9
[INFO] running `"docker" "start" "-a" "b755644eda33563a05ff7590a44f98c88b86560b59009ae90f162f4140553ff9"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/client-6301616eb9102f24
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/daemon-84b31046a3a51853
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] running `"docker" "inspect" "b755644eda33563a05ff7590a44f98c88b86560b59009ae90f162f4140553ff9"`
[INFO] running `"docker" "rm" "-f" "b755644eda33563a05ff7590a44f98c88b86560b59009ae90f162f4140553ff9"`
[INFO] [stdout] b755644eda33563a05ff7590a44f98c88b86560b59009ae90f162f4140553ff9