[INFO] updating cached repository dzharikhin/ml_example
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/dzharikhin/ml_example
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/dzharikhin/ml_example" "work/ex/pr-63565/sources/master#c43d03a19f326f4a323569328cc501e86eb6d22e/gh/dzharikhin/ml_example"`
[INFO] [stderr] Cloning into 'work/ex/pr-63565/sources/master#c43d03a19f326f4a323569328cc501e86eb6d22e/gh/dzharikhin/ml_example'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/dzharikhin/ml_example" "work/ex/pr-63565/sources/try#75eff020d0923c035c2fe220db4a0465cd847048/gh/dzharikhin/ml_example"`
[INFO] [stderr] Cloning into 'work/ex/pr-63565/sources/try#75eff020d0923c035c2fe220db4a0465cd847048/gh/dzharikhin/ml_example'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 85bfec1529dce86c9792da08cd1216ae7b68168a
[INFO] sha for GitHub repo dzharikhin/ml_example: 85bfec1529dce86c9792da08cd1216ae7b68168a
[INFO] validating manifest of dzharikhin/ml_example on toolchain master#c43d03a19f326f4a323569328cc501e86eb6d22e
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+c43d03a19f326f4a323569328cc501e86eb6d22e-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of dzharikhin/ml_example on toolchain try#75eff020d0923c035c2fe220db4a0465cd847048
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+75eff020d0923c035c2fe220db4a0465cd847048-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing dzharikhin/ml_example
[INFO] finished frobbing dzharikhin/ml_example
[INFO] frobbed toml for dzharikhin/ml_example written to work/ex/pr-63565/sources/master#c43d03a19f326f4a323569328cc501e86eb6d22e/gh/dzharikhin/ml_example/Cargo.toml
[INFO] started frobbing dzharikhin/ml_example
[INFO] finished frobbing dzharikhin/ml_example
[INFO] frobbed toml for dzharikhin/ml_example written to work/ex/pr-63565/sources/try#75eff020d0923c035c2fe220db4a0465cd847048/gh/dzharikhin/ml_example/Cargo.toml
[INFO] crate dzharikhin/ml_example already has a lockfile, it will not be regenerated
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+c43d03a19f326f4a323569328cc501e86eb6d22e-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+75eff020d0923c035c2fe220db4a0465cd847048-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] checking dzharikhin/ml_example against master#c43d03a19f326f4a323569328cc501e86eb6d22e for pr-63565
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-63565/worker-7/master#c43d03a19f326f4a323569328cc501e86eb6d22e:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-63565/sources/master#c43d03a19f326f4a323569328cc501e86eb6d22e/gh/dzharikhin/ml_example:/opt/crater/workdir:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/opt/crater/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/opt/crater/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/crater/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/crater/cargo-home" "-e" "RUSTUP_HOME=/opt/crater/rustup-home" "-w" "/opt/crater/workdir" "-m" "1536M" "--network" "none" "rustops/crates-build-env" "/opt/crater/cargo-home/bin/cargo" "+c43d03a19f326f4a323569328cc501e86eb6d22e-alt" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] 5d3c2445edc29a7a514e58b3527dab7471787cc83a6378253cdde605354892b0
[INFO] running `"docker" "start" "-a" "5d3c2445edc29a7a514e58b3527dab7471787cc83a6378253cdde605354892b0"`
[INFO] [stderr]     Checking ml-example v0.0.1 (/opt/crater/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: 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: 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: 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] 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 1.09s
[INFO] running `"docker" "inspect" "5d3c2445edc29a7a514e58b3527dab7471787cc83a6378253cdde605354892b0"`
[INFO] running `"docker" "rm" "-f" "5d3c2445edc29a7a514e58b3527dab7471787cc83a6378253cdde605354892b0"`
[INFO] [stdout] 5d3c2445edc29a7a514e58b3527dab7471787cc83a6378253cdde605354892b0