[INFO] crate gbdt 0.1.1 is already in cache
[INFO] testing gbdt-0.1.1 against beta-2020-06-03 for beta-1.45-1
[INFO] extracting crate gbdt 0.1.1 into /workspace/builds/worker-10/source
[INFO] validating manifest of crates.io crate gbdt 0.1.1 on toolchain beta-2020-06-03
[INFO] running `"/workspace/cargo-home/bin/cargo" "+beta-2020-06-03" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking crates.io crate gbdt 0.1.1
[INFO] finished tweaking crates.io crate gbdt 0.1.1
[INFO] tweaked toml for crates.io crate gbdt 0.1.1 written to /workspace/builds/worker-10/source/Cargo.toml
[INFO] running `"/workspace/cargo-home/bin/cargo" "+beta-2020-06-03" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/workspace/cargo-home/bin/cargo" "+beta-2020-06-03" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/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" "MAP_USER_ID=0" "-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-2020-06-03" "build" "--frozen"`
[INFO] [stdout] b96049f701b05949e7d68d7f3422dc52e6dbc266ef759d9cfc8e59aff4cb1bf4
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `"docker" "start" "-a" "b96049f701b05949e7d68d7f3422dc52e6dbc266ef759d9cfc8e59aff4cb1bf4"`
[INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted
[INFO] [stderr]    Compiling gbdt v0.1.1 (/opt/rustwide/workdir)
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]     --> src/decision_tree.rs:1749:75
[INFO] [stderr]      |
[INFO] [stderr] 1749 |     pub fn get_from_xgboost(node: &serde_json::Value) -> Result<Self, Box<Error>> {
[INFO] [stderr]      |                                                                           ^^^^^ help: use `dyn`: `dyn Error`
[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/decision_tree.rs:1762:25
[INFO] [stderr]      |
[INFO] [stderr] 1762 |     ) -> Result<(), Box<Error>> {
[INFO] [stderr]      |                         ^^^^^ help: use `dyn`: `dyn Error`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]     --> src/decision_tree.rs:1801:34
[INFO] [stderr]      |
[INFO] [stderr] 1801 |                     let err: Box<Error> = From::from("not support extra missing node".to_string());
[INFO] [stderr]      |                                  ^^^^^ help: use `dyn`: `dyn Error`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]     --> src/decision_tree.rs:1838:26
[INFO] [stderr]      |
[INFO] [stderr] 1838 |             let err: Box<Error> = From::from("children not found".to_string());
[INFO] [stderr]      |                          ^^^^^ help: use `dyn`: `dyn Error`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/gradient_boost.rs:710:64
[INFO] [stderr]     |
[INFO] [stderr] 710 |     pub fn save_model(&self, filename: &str) -> Result<(), Box<Error>> {
[INFO] [stderr]     |                                                                ^^^^^ help: use `dyn`: `dyn Error`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/gradient_boost.rs:729:59
[INFO] [stderr]     |
[INFO] [stderr] 729 |     pub fn load_model(filename: &str) -> Result<Self, Box<Error>> {
[INFO] [stderr]     |                                                           ^^^^^ help: use `dyn`: `dyn Error`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/gradient_boost.rs:749:84
[INFO] [stderr]     |
[INFO] [stderr] 749 |     pub fn from_xgoost_dump(model_file: &str, objective: &str) -> Result<Self, Box<Error>> {
[INFO] [stderr]     |                                                                                    ^^^^^ help: use `dyn`: `dyn Error`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/input.rs:289:84
[INFO] [stderr]     |
[INFO] [stderr] 289 | pub fn load_csv(file: &mut File, input_format: InputFormat) -> Result<DataVec, Box<Error>> {
[INFO] [stderr]     |                                                                                    ^^^^^ help: use `dyn`: `dyn Error`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/input.rs:340:84
[INFO] [stderr]     |
[INFO] [stderr] 340 | pub fn load_txt(file: &mut File, input_format: InputFormat) -> Result<DataVec, Box<Error>> {
[INFO] [stderr]     |                                                                                    ^^^^^ help: use `dyn`: `dyn Error`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/input.rs:417:80
[INFO] [stderr]     |
[INFO] [stderr] 417 | pub fn load(file_name: &str, input_format: InputFormat) -> Result<DataVec, Box<Error>> {
[INFO] [stderr]     |                                                                                ^^^^^ help: use `dyn`: `dyn Error`
[INFO] [stderr] 
[INFO] [stderr] warning: 10 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 5.17s
[INFO] running `"docker" "inspect" "b96049f701b05949e7d68d7f3422dc52e6dbc266ef759d9cfc8e59aff4cb1bf4"`
[INFO] running `"docker" "rm" "-f" "b96049f701b05949e7d68d7f3422dc52e6dbc266ef759d9cfc8e59aff4cb1bf4"`
[INFO] [stdout] b96049f701b05949e7d68d7f3422dc52e6dbc266ef759d9cfc8e59aff4cb1bf4
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/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" "MAP_USER_ID=0" "-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-2020-06-03" "test" "--frozen" "--no-run"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 23ef78eaa01415644c23475dec48e6e9b8f6f8d750e96fda9cad29f6a11700bb
[INFO] running `"docker" "start" "-a" "23ef78eaa01415644c23475dec48e6e9b8f6f8d750e96fda9cad29f6a11700bb"`
[INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted
[INFO] [stderr]    Compiling gbdt v0.1.1 (/opt/rustwide/workdir)
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]     --> src/decision_tree.rs:1749:75
[INFO] [stderr]      |
[INFO] [stderr] 1749 |     pub fn get_from_xgboost(node: &serde_json::Value) -> Result<Self, Box<Error>> {
[INFO] [stderr]      |                                                                           ^^^^^ help: use `dyn`: `dyn Error`
[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/decision_tree.rs:1762:25
[INFO] [stderr]      |
[INFO] [stderr] 1762 |     ) -> Result<(), Box<Error>> {
[INFO] [stderr]      |                         ^^^^^ help: use `dyn`: `dyn Error`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]     --> src/decision_tree.rs:1801:34
[INFO] [stderr]      |
[INFO] [stderr] 1801 |                     let err: Box<Error> = From::from("not support extra missing node".to_string());
[INFO] [stderr]      |                                  ^^^^^ help: use `dyn`: `dyn Error`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]     --> src/decision_tree.rs:1838:26
[INFO] [stderr]      |
[INFO] [stderr] 1838 |             let err: Box<Error> = From::from("children not found".to_string());
[INFO] [stderr]      |                          ^^^^^ help: use `dyn`: `dyn Error`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/gradient_boost.rs:710:64
[INFO] [stderr]     |
[INFO] [stderr] 710 |     pub fn save_model(&self, filename: &str) -> Result<(), Box<Error>> {
[INFO] [stderr]     |                                                                ^^^^^ help: use `dyn`: `dyn Error`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/gradient_boost.rs:729:59
[INFO] [stderr]     |
[INFO] [stderr] 729 |     pub fn load_model(filename: &str) -> Result<Self, Box<Error>> {
[INFO] [stderr]     |                                                           ^^^^^ help: use `dyn`: `dyn Error`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/gradient_boost.rs:749:84
[INFO] [stderr]     |
[INFO] [stderr] 749 |     pub fn from_xgoost_dump(model_file: &str, objective: &str) -> Result<Self, Box<Error>> {
[INFO] [stderr]     |                                                                                    ^^^^^ help: use `dyn`: `dyn Error`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/input.rs:289:84
[INFO] [stderr]     |
[INFO] [stderr] 289 | pub fn load_csv(file: &mut File, input_format: InputFormat) -> Result<DataVec, Box<Error>> {
[INFO] [stderr]     |                                                                                    ^^^^^ help: use `dyn`: `dyn Error`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/input.rs:340:84
[INFO] [stderr]     |
[INFO] [stderr] 340 | pub fn load_txt(file: &mut File, input_format: InputFormat) -> Result<DataVec, Box<Error>> {
[INFO] [stderr]     |                                                                                    ^^^^^ help: use `dyn`: `dyn Error`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/input.rs:417:80
[INFO] [stderr]     |
[INFO] [stderr] 417 | pub fn load(file_name: &str, input_format: InputFormat) -> Result<DataVec, Box<Error>> {
[INFO] [stderr]     |                                                                                ^^^^^ help: use `dyn`: `dyn Error`
[INFO] [stderr] 
[INFO] [stderr] warning: 10 warnings emitted
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `PredVec`
[INFO] [stderr]  --> examples/test-batch.rs:3:27
[INFO] [stderr]   |
[INFO] [stderr] 3 | use gbdt::decision_tree::{PredVec, ValueType};
[INFO] [stderr]   |                           ^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]     --> src/decision_tree.rs:1749:75
[INFO] [stderr]      |
[INFO] [stderr] 1749 |     pub fn get_from_xgboost(node: &serde_json::Value) -> Result<Self, Box<Error>> {
[INFO] [stderr]      |                                                                           ^^^^^ help: use `dyn`: `dyn Error`
[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/decision_tree.rs:1762:25
[INFO] [stderr]      |
[INFO] [stderr] 1762 |     ) -> Result<(), Box<Error>> {
[INFO] [stderr]      |                         ^^^^^ help: use `dyn`: `dyn Error`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]     --> src/decision_tree.rs:1801:34
[INFO] [stderr]      |
[INFO] [stderr] 1801 |                     let err: Box<Error> = From::from("not support extra missing node".to_string());
[INFO] [stderr]      |                                  ^^^^^ help: use `dyn`: `dyn Error`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]     --> src/decision_tree.rs:1838:26
[INFO] [stderr]      |
[INFO] [stderr] 1838 |             let err: Box<Error> = From::from("children not found".to_string());
[INFO] [stderr]      |                          ^^^^^ help: use `dyn`: `dyn Error`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/gradient_boost.rs:710:64
[INFO] [stderr]     |
[INFO] [stderr] 710 |     pub fn save_model(&self, filename: &str) -> Result<(), Box<Error>> {
[INFO] [stderr]     |                                                                ^^^^^ help: use `dyn`: `dyn Error`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/gradient_boost.rs:729:59
[INFO] [stderr]     |
[INFO] [stderr] 729 |     pub fn load_model(filename: &str) -> Result<Self, Box<Error>> {
[INFO] [stderr]     |                                                           ^^^^^ help: use `dyn`: `dyn Error`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/gradient_boost.rs:749:84
[INFO] [stderr]     |
[INFO] [stderr] 749 |     pub fn from_xgoost_dump(model_file: &str, objective: &str) -> Result<Self, Box<Error>> {
[INFO] [stderr]     |                                                                                    ^^^^^ help: use `dyn`: `dyn Error`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/input.rs:289:84
[INFO] [stderr]     |
[INFO] [stderr] 289 | pub fn load_csv(file: &mut File, input_format: InputFormat) -> Result<DataVec, Box<Error>> {
[INFO] [stderr]     |                                                                                    ^^^^^ help: use `dyn`: `dyn Error`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/input.rs:340:84
[INFO] [stderr]     |
[INFO] [stderr] 340 | pub fn load_txt(file: &mut File, input_format: InputFormat) -> Result<DataVec, Box<Error>> {
[INFO] [stderr]     |                                                                                    ^^^^^ help: use `dyn`: `dyn Error`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/input.rs:417:80
[INFO] [stderr]     |
[INFO] [stderr] 417 | pub fn load(file_name: &str, input_format: InputFormat) -> Result<DataVec, Box<Error>> {
[INFO] [stderr]     |                                                                                ^^^^^ help: use `dyn`: `dyn Error`
[INFO] [stderr] 
[INFO] [stderr] warning: 1 warning emitted
[INFO] [stderr] 
[INFO] [stderr] warning: 10 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 11.71s
[INFO] running `"docker" "inspect" "23ef78eaa01415644c23475dec48e6e9b8f6f8d750e96fda9cad29f6a11700bb"`
[INFO] running `"docker" "rm" "-f" "23ef78eaa01415644c23475dec48e6e9b8f6f8d750e96fda9cad29f6a11700bb"`
[INFO] [stdout] 23ef78eaa01415644c23475dec48e6e9b8f6f8d750e96fda9cad29f6a11700bb
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/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" "MAP_USER_ID=0" "-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-2020-06-03" "test" "--frozen"`
[INFO] [stdout] bb164c1cd199e5adc864dc2ebaf302d3ad104e59ed7684ac9e34f7004c787e89
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `"docker" "start" "-a" "bb164c1cd199e5adc864dc2ebaf302d3ad104e59ed7684ac9e34f7004c787e89"`
[INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]     --> src/decision_tree.rs:1749:75
[INFO] [stderr]      |
[INFO] [stderr] 1749 |     pub fn get_from_xgboost(node: &serde_json::Value) -> Result<Self, Box<Error>> {
[INFO] [stderr]      |                                                                           ^^^^^ help: use `dyn`: `dyn Error`
[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/decision_tree.rs:1749:75
[INFO] [stderr]      |
[INFO] [stderr] 1749 |     pub fn get_from_xgboost(node: &serde_json::Value) -> Result<Self, Box<Error>> {
[INFO] [stderr]      |                                                                           ^^^^^ help: use `dyn`: `dyn Error`
[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/decision_tree.rs:1762:25
[INFO] [stderr]      |
[INFO] [stderr] 1762 |     ) -> Result<(), Box<Error>> {
[INFO] [stderr]      |                         ^^^^^ help: use `dyn`: `dyn Error`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]     --> src/decision_tree.rs:1801:34
[INFO] [stderr]      |
[INFO] [stderr] 1801 |                     let err: Box<Error> = From::from("not support extra missing node".to_string());
[INFO] [stderr]      |                                  ^^^^^ help: use `dyn`: `dyn Error`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]     --> src/decision_tree.rs:1838:26
[INFO] [stderr]      |
[INFO] [stderr] 1838 |             let err: Box<Error> = From::from("children not found".to_string());
[INFO] [stderr]      |                          ^^^^^ help: use `dyn`: `dyn Error`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/gradient_boost.rs:710:64
[INFO] [stderr]     |
[INFO] [stderr] 710 |     pub fn save_model(&self, filename: &str) -> Result<(), Box<Error>> {
[INFO] [stderr]     |                                                                ^^^^^ help: use `dyn`: `dyn Error`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/gradient_boost.rs:729:59
[INFO] [stderr]     |
[INFO] [stderr] 729 |     pub fn load_model(filename: &str) -> Result<Self, Box<Error>> {
[INFO] [stderr]     |                                                           ^^^^^ help: use `dyn`: `dyn Error`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/gradient_boost.rs:749:84
[INFO] [stderr]     |
[INFO] [stderr] 749 |     pub fn from_xgoost_dump(model_file: &str, objective: &str) -> Result<Self, Box<Error>> {
[INFO] [stderr]     |                                                                                    ^^^^^ help: use `dyn`: `dyn Error`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/input.rs:289:84
[INFO] [stderr]     |
[INFO] [stderr] 289 | pub fn load_csv(file: &mut File, input_format: InputFormat) -> Result<DataVec, Box<Error>> {
[INFO] [stderr]     |                                                                                    ^^^^^ help: use `dyn`: `dyn Error`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/input.rs:340:84
[INFO] [stderr]     |
[INFO] [stderr] 340 | pub fn load_txt(file: &mut File, input_format: InputFormat) -> Result<DataVec, Box<Error>> {
[INFO] [stderr]     |                                                                                    ^^^^^ help: use `dyn`: `dyn Error`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/input.rs:417:80
[INFO] [stderr]     |
[INFO] [stderr] 417 | pub fn load(file_name: &str, input_format: InputFormat) -> Result<DataVec, Box<Error>> {
[INFO] [stderr]     |                                                                                ^^^^^ help: use `dyn`: `dyn Error`
[INFO] [stderr] 
[INFO] [stderr] warning: 10 warnings emitted
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]     --> src/decision_tree.rs:1762:25
[INFO] [stderr]      |
[INFO] [stderr] 1762 |     ) -> Result<(), Box<Error>> {
[INFO] [stderr]      |                         ^^^^^ help: use `dyn`: `dyn Error`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]     --> src/decision_tree.rs:1801:34
[INFO] [stderr]      |
[INFO] [stderr] 1801 |                     let err: Box<Error> = From::from("not support extra missing node".to_string());
[INFO] [stderr]      |                                  ^^^^^ help: use `dyn`: `dyn Error`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]     --> src/decision_tree.rs:1838:26
[INFO] [stderr]      |
[INFO] [stderr] 1838 |             let err: Box<Error> = From::from("children not found".to_string());
[INFO] [stderr]      |                          ^^^^^ help: use `dyn`: `dyn Error`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/gradient_boost.rs:710:64
[INFO] [stderr]     |
[INFO] [stderr] 710 |     pub fn save_model(&self, filename: &str) -> Result<(), Box<Error>> {
[INFO] [stderr]     |                                                                ^^^^^ help: use `dyn`: `dyn Error`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/gradient_boost.rs:729:59
[INFO] [stderr]     |
[INFO] [stderr] 729 |     pub fn load_model(filename: &str) -> Result<Self, Box<Error>> {
[INFO] [stderr]     |                                                           ^^^^^ help: use `dyn`: `dyn Error`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/gradient_boost.rs:749:84
[INFO] [stderr]     |
[INFO] [stderr] 749 |     pub fn from_xgoost_dump(model_file: &str, objective: &str) -> Result<Self, Box<Error>> {
[INFO] [stderr]     |                                                                                    ^^^^^ help: use `dyn`: `dyn Error`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/input.rs:289:84
[INFO] [stderr]     |
[INFO] [stderr] 289 | pub fn load_csv(file: &mut File, input_format: InputFormat) -> Result<DataVec, Box<Error>> {
[INFO] [stderr]     |                                                                                    ^^^^^ help: use `dyn`: `dyn Error`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/input.rs:340:84
[INFO] [stderr]     |
[INFO] [stderr] 340 | pub fn load_txt(file: &mut File, input_format: InputFormat) -> Result<DataVec, Box<Error>> {
[INFO] [stderr]     |                                                                                    ^^^^^ help: use `dyn`: `dyn Error`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/input.rs:417:80
[INFO] [stderr]     |
[INFO] [stderr] 417 | pub fn load(file_name: &str, input_format: InputFormat) -> Result<DataVec, Box<Error>> {
[INFO] [stderr]     |                                                                                ^^^^^ help: use `dyn`: `dyn Error`
[INFO] [stderr] 
[INFO] [stderr] warning: 10 warnings emitted
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `PredVec`
[INFO] [stderr]  --> examples/test-batch.rs:3:27
[INFO] [stderr]   |
[INFO] [stderr] 3 | use gbdt::decision_tree::{PredVec, ValueType};
[INFO] [stderr]   |                           ^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: 1 warning emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.11s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/gbdt-a0bc0526fe5d3f9f
[INFO] [stdout] 
[INFO] [stdout] running 6 tests
[INFO] [stdout] test tests::build_decision_tree ... ok
[INFO] [stdout] test tests::decision_tree ... ok
[INFO] [stdout] test tests::config_express ... ok
[INFO] [stdout] test tests::loss_type ... ok
[INFO] [stdout] test tests::walk_tree ... ok
[INFO] [stdout] test tests::fitness ... ok
[INFO] [stderr]    Doc-tests gbdt
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 6 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 73 tests
[INFO] [stdout] test src/binary_tree.rs - binary_tree::BinaryTree<T>::get_root_index (line 97) ... ok
[INFO] [stdout] test src/binary_tree.rs - binary_tree::BinaryTree<T>::add_root (line 81) ... FAILED
[INFO] [stdout] test src/binary_tree.rs - binary_tree::BinaryTree<T>::get_left_child (line 110) ... FAILED
[INFO] [stdout] test src/binary_tree.rs - binary_tree::BinaryTree<T>::add_left_node (line 189) ... FAILED
[INFO] [stdout] test src/binary_tree.rs - binary_tree::BinaryTree<T>::get_node (line 156) ... FAILED
[INFO] [stdout] test src/binary_tree.rs - binary_tree::BinaryTreeNode<T>::new (line 33) ... ok
[INFO] [stdout] test src/binary_tree.rs - binary_tree::BinaryTree<T>::len (line 315) ... FAILED
[INFO] [stdout] test src/binary_tree.rs - binary_tree::BinaryTree<T>::get_node_mut (line 172) ... FAILED
[INFO] [stdout] test src/binary_tree.rs - binary_tree::BinaryTree<T>::print (line 257) ... FAILED
[INFO] [stdout] test src/config.rs - config::Config::enabled_initial_guess (line 371) ... FAILED
[INFO] [stdout] test src/binary_tree.rs - binary_tree::BinaryTree<T>::add_right_node (line 208) ... FAILED
[INFO] [stdout] test src/config.rs - config::Config::new (line 219) ... FAILED
[INFO] [stdout] test src/config.rs - config::Config::set_data_sample_ratio (line 321) ... FAILED
[INFO] [stdout] test src/config.rs - config (line 37) ... FAILED
[INFO] [stdout] test src/config.rs - config::Config::set_min_leaf_size (line 333) ... FAILED
[INFO] [stdout] test src/config.rs - config::Config::set_debug (line 359) ... FAILED
[INFO] [stdout] test src/binary_tree.rs - binary_tree::BinaryTree<T>::get_right_child (line 134) ... FAILED
[INFO] [stdout] test src/config.rs - config::Config::set_loss (line 345) ... FAILED
[INFO] [stdout] test src/decision_tree.rs - decision_tree::DecisionTree::fit (line 1104) ... FAILED
[INFO] [stdout] test src/decision_tree.rs - decision_tree::Data::new_test_data (line 200) ... FAILED
[INFO] [stdout] test src/config.rs - config::Config::set_iterations (line 297) ... FAILED
[INFO] [stdout] test src/config.rs - config::string2loss (line 126) ... FAILED
[INFO] [stdout] test src/config.rs - config::Config::set_feature_size (line 242) ... FAILED
[INFO] [stdout] test src/config.rs - config::Config::set_max_depth (line 285) ... FAILED
[INFO] [stdout] test src/config.rs - config::Config::set_training_optimization_level (line 272) ... FAILED
[INFO] [stdout] test src/decision_tree.rs - decision_tree::Data::new_training_data (line 168) ... FAILED
[INFO] [stdout] test src/config.rs - config::Config::to_string (line 383) ... FAILED
[INFO] [stdout] test src/config.rs - config::loss2string (line 153) ... FAILED
[INFO] [stdout] test src/config.rs - config::Config::set_feature_sample_ratio (line 309) ... FAILED
[INFO] [stdout] test src/decision_tree.rs - decision_tree::DecisionTree::len (line 1847) ... FAILED
[INFO] [stdout] test src/decision_tree.rs - decision_tree::DecisionTree::new (line 956) ... FAILED
[INFO] [stdout] test src/config.rs - config::Config::set_shrinkage (line 254) ... FAILED
[INFO] [stdout] test src/decision_tree.rs - decision_tree::DecisionTree::predict (line 1331) ... FAILED
[INFO] [stdout] test src/decision_tree.rs - decision_tree::DecisionTree::predict_n (line 1246) ... FAILED
[INFO] [stdout] test src/decision_tree.rs - decision_tree::DecisionTree::set_feature_size (line 975) ... FAILED
[INFO] [stdout] test src/decision_tree.rs - decision_tree (line 29) ... FAILED
[INFO] [stdout] test src/fitness.rs - fitness::almost_equal (line 23) ... FAILED
[INFO] [stdout] test src/decision_tree.rs - decision_tree::DecisionTree::get_from_xgboost (line 1739) ... FAILED
[INFO] [stdout] test src/decision_tree.rs - decision_tree::DecisionTree::set_min_leaf_size (line 999) ... FAILED
[INFO] [stdout] test src/decision_tree.rs - decision_tree::TrainingCache::get_preds (line 374) ... FAILED
[INFO] [stdout] test src/decision_tree.rs - decision_tree::DecisionTree::fit_n (line 1037) ... FAILED
[INFO] [stdout] test src/fitness.rs - fitness::average (line 207) ... FAILED
[INFO] [stdout] test src/fitness.rs - fitness::almost_equal_thrs (line 11) ... FAILED
[INFO] [stdout] test src/decision_tree.rs - decision_tree::TrainingCache::get_cache (line 300) ... FAILED
[INFO] [stdout] test src/gradient_boost.rs - gradient_boost::GBDT::load_model (line 722) ... FAILED
[INFO] [stdout] test src/decision_tree.rs - decision_tree::DecisionTree::print (line 1685) ... FAILED
[INFO] [stdout] test src/decision_tree.rs - decision_tree::DecisionTree::set_max_depth (line 987) ... FAILED
[INFO] [stdout] test src/gradient_boost.rs - gradient_boost (line 15) ... FAILED
[INFO] [stdout] test src/fitness.rs - fitness::weighted_residual_median (line 396) ... FAILED
[INFO] [stdout] test src/gradient_boost.rs - gradient_boost::GBDT::predict_multiclass (line 489) ... FAILED
[INFO] [stdout] test src/gradient_boost.rs - gradient_boost::GBDT::predict (line 391) ... FAILED
[INFO] [stdout] test src/fitness.rs - fitness::weighted_label_median (line 326) ... FAILED
[INFO] [stdout] test src/gradient_boost.rs - gradient_boost::GBDT::from_xgoost_dump (line 741) ... FAILED
[INFO] [stdout] test src/gradient_boost.rs - gradient_boost::GBDT::fit (line 199) ... FAILED
[INFO] [stdout] test src/input.rs - input (line 18) ... FAILED
[INFO] [stdout] test src/gradient_boost.rs - gradient_boost::GBDT::save_model (line 656) ... FAILED
[INFO] [stdout] test src/decision_tree.rs - decision_tree::DecisionTree::set_loss (line 1011) ... FAILED
[INFO] [stdout] test src/decision_tree.rs - decision_tree::DecisionTree::set_feature_sample_ratio (line 1024) ... FAILED
[INFO] [stdout] test src/gradient_boost.rs - gradient_boost::GBDT::print_trees (line 552) ... FAILED
[INFO] [stdout] test src/fitness.rs - fitness::label_average (line 267) ... FAILED
[INFO] [stdout] test src/gradient_boost.rs - gradient_boost::GBDT::new (line 129) ... FAILED
[INFO] [stdout] test src/input.rs - input::InputFormat::csv_format (line 94) ... FAILED
[INFO] [stdout] test src/input.rs - input::InputFormat::set_label_index (line 169) ... FAILED
[INFO] [stdout] test src/input.rs - input::InputFormat::set_delimeter (line 180) ... FAILED
[INFO] [stdout] test src/input.rs - input (line 7) ... FAILED
[INFO] [stdout] test src/input.rs - input::load_txt (line 327) ... FAILED
[INFO] [stdout] test src/input.rs - input::load_csv (line 277) ... FAILED
[INFO] [stdout] test src/input.rs - input::InputFormat::to_string (line 129) ... FAILED
[INFO] [stdout] test src/input.rs - input::load (line 395) ... FAILED
[INFO] [stdout] test src/input.rs - input::InputFormat::txt_format (line 112) ... FAILED
[INFO] [stdout] test src/input.rs - input::infer (line 204) ... FAILED
[INFO] [stdout] test src/input.rs - input::InputFormat::set_feature_size (line 158) ... FAILED
[INFO] [stderr] error: test failed, to rerun pass '--doc'
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustdoc --edition=2018 --crate-type rlib --crate-type staticlib --test /opt/rustwide/workdir/src/lib.rs --crate-name gbdt -L dependency=/opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --cfg 'feature="enable_training"' --cfg 'feature="input"' --cfg 'feature="default"' --cfg 'feature="regex"' --extern cfg_if=/opt/rustwide/target/debug/deps/libcfg_if-0d7329a98a9ffead.rlib --extern gbdt=/opt/rustwide/target/debug/deps/libgbdt-1b1ba1522839726f.rlib --extern rand=/opt/rustwide/target/debug/deps/librand-32ca9d04a8072615.rlib --extern regex=/opt/rustwide/target/debug/deps/libregex-9d7abde785476cae.rlib --extern serde=/opt/rustwide/target/debug/deps/libserde-91bcddecf7613a4b.rlib --extern serde_derive=/opt/rustwide/target/debug/deps/libserde_derive-07cd6319b613227d.so --extern serde_json=/opt/rustwide/target/debug/deps/libserde_json-dc210ab01b7572d8.rlib --extern time=/opt/rustwide/target/debug/deps/libtime-23183ca53583039d.rlib` (signal: 9, SIGKILL: kill)
[INFO] running `"docker" "inspect" "bb164c1cd199e5adc864dc2ebaf302d3ad104e59ed7684ac9e34f7004c787e89"`
[INFO] running `"docker" "rm" "-f" "bb164c1cd199e5adc864dc2ebaf302d3ad104e59ed7684ac9e34f7004c787e89"`
[INFO] [stdout] bb164c1cd199e5adc864dc2ebaf302d3ad104e59ed7684ac9e34f7004c787e89