[INFO] fetching crate neuroflow 0.1.3...
[INFO] testing neuroflow-0.1.3 against beta-2020-10-09 for beta-1.48-1
[INFO] extracting crate neuroflow 0.1.3 into /workspace/builds/worker-8/source
[INFO] validating manifest of crates.io crate neuroflow 0.1.3 on toolchain beta-2020-10-09
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-10-09" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate neuroflow 0.1.3
[INFO] finished tweaking crates.io crate neuroflow 0.1.3
[INFO] tweaked toml for crates.io crate neuroflow 0.1.3 written to /workspace/builds/worker-8/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-10-09" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-10-09" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded bincode v0.9.2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "rustops/crates-build-env@sha256:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-10-09" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 9770790d138cce645225f267a1048228d67aed0a1ec0c369cfdd3e9e65084922
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "9770790d138cce645225f267a1048228d67aed0a1ec0c369cfdd3e9e65084922", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "9770790d138cce645225f267a1048228d67aed0a1ec0c369cfdd3e9e65084922", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9770790d138cce645225f267a1048228d67aed0a1ec0c369cfdd3e9e65084922", kill_on_drop: false }`
[INFO] [stdout] 9770790d138cce645225f267a1048228d67aed0a1ec0c369cfdd3e9e65084922
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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" "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" "--user" "0:0" "--network" "none" "rustops/crates-build-env@sha256:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-10-09" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 8d43f5cc3d64a6ff4c4d2729b2e8f544e33e4d9d328b11fb5e807b9089dcb5cc
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "8d43f5cc3d64a6ff4c4d2729b2e8f544e33e4d9d328b11fb5e807b9089dcb5cc", kill_on_drop: false }`
[INFO] [stderr]    Compiling byteorder v1.3.4
[INFO] [stderr]    Compiling serde v1.0.117
[INFO] [stderr]    Compiling memchr v2.3.3
[INFO] [stderr]    Compiling proc-macro2 v1.0.24
[INFO] [stderr]    Compiling libc v0.2.79
[INFO] [stderr]    Compiling unicode-xid v0.2.1
[INFO] [stderr]    Compiling ryu v1.0.5
[INFO] [stderr]    Compiling syn v1.0.44
[INFO] [stderr]    Compiling itoa v0.4.6
[INFO] [stderr]    Compiling serde_json v1.0.59
[INFO] [stderr]    Compiling serde_derive v1.0.117
[INFO] [stderr]    Compiling lazy_static v1.4.0
[INFO] [stderr]    Compiling csv-core v0.1.10
[INFO] [stderr]    Compiling regex-automata v0.1.9
[INFO] [stderr]    Compiling quote v1.0.7
[INFO] [stderr]    Compiling rand v0.4.6
[INFO] [stderr]    Compiling rand v0.3.23
[INFO] [stderr]    Compiling bstr v0.2.13
[INFO] [stderr]    Compiling bincode v0.9.2
[INFO] [stderr]    Compiling csv v1.1.3
[INFO] [stderr]    Compiling neuroflow v0.1.3 (/opt/rustwide/workdir)
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/data/mod.rs:113:61
[INFO] [stdout]     |
[INFO] [stdout] 113 |     pub fn from_csv(file_path: &str) -> Result<DataSet, Box<std::error::Error>> {
[INFO] [stdout]     |                                                             ^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn std::error::Error`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/lib.rs:140:18
[INFO] [stdout]     |
[INFO] [stdout] 140 |     StdError(Box<std::error::Error>)
[INFO] [stdout]     |                  ^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn std::error::Error`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `nn`
[INFO] [stdout]   --> src/estimators/mod.rs:26:12
[INFO] [stdout]    |
[INFO] [stdout] 26 | pub fn OBS(nn: &super::FeedForward) {
[INFO] [stdout]    |            ^^ help: if this is intentional, prefix it with an underscore: `_nn`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `obj`
[INFO] [stdout]   --> src/io/mod.rs:85:37
[INFO] [stdout]    |
[INFO] [stdout] 85 | pub fn to_json<T: serde::Serialize>(obj: T) {
[INFO] [stdout]    |                                     ^^^ help: if this is intentional, prefix it with an underscore: `_obj`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `s`
[INFO] [stdout]   --> src/io/mod.rs:90:18
[INFO] [stdout]    |
[INFO] [stdout] 90 | pub fn from_json(s: &str){
[INFO] [stdout]    |                  ^ help: if this is intentional, prefix it with an underscore: `_s`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 5 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 35.66s
[INFO] running `Command { std: "docker" "inspect" "8d43f5cc3d64a6ff4c4d2729b2e8f544e33e4d9d328b11fb5e807b9089dcb5cc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8d43f5cc3d64a6ff4c4d2729b2e8f544e33e4d9d328b11fb5e807b9089dcb5cc", kill_on_drop: false }`
[INFO] [stdout] 8d43f5cc3d64a6ff4c4d2729b2e8f544e33e4d9d328b11fb5e807b9089dcb5cc
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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" "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" "--user" "0:0" "--network" "none" "rustops/crates-build-env@sha256:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-10-09" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] b3dbbe2abd35eecee184714b316dbb294f5ba47c77330cb9fbba13ce121e26d1
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "b3dbbe2abd35eecee184714b316dbb294f5ba47c77330cb9fbba13ce121e26d1", kill_on_drop: false }`
[INFO] [stderr]    Compiling time v0.1.44
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/data/mod.rs:113:61
[INFO] [stdout]     |
[INFO] [stdout] 113 |     pub fn from_csv(file_path: &str) -> Result<DataSet, Box<std::error::Error>> {
[INFO] [stdout]     |                                                             ^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn std::error::Error`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/lib.rs:140:18
[INFO] [stdout]     |
[INFO] [stdout] 140 |     StdError(Box<std::error::Error>)
[INFO] [stdout]     |                  ^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn std::error::Error`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `nn`
[INFO] [stdout]   --> src/estimators/mod.rs:26:12
[INFO] [stdout]    |
[INFO] [stdout] 26 | pub fn OBS(nn: &super::FeedForward) {
[INFO] [stdout]    |            ^^ help: if this is intentional, prefix it with an underscore: `_nn`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `obj`
[INFO] [stdout]   --> src/io/mod.rs:85:37
[INFO] [stdout]    |
[INFO] [stdout] 85 | pub fn to_json<T: serde::Serialize>(obj: T) {
[INFO] [stdout]    |                                     ^^^ help: if this is intentional, prefix it with an underscore: `_obj`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `s`
[INFO] [stdout]   --> src/io/mod.rs:90:18
[INFO] [stdout]    |
[INFO] [stdout] 90 | pub fn from_json(s: &str){
[INFO] [stdout]    |                  ^ help: if this is intentional, prefix it with an underscore: `_s`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 5 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling neuroflow v0.1.3 (/opt/rustwide/workdir)
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/data/mod.rs:113:61
[INFO] [stdout]     |
[INFO] [stdout] 113 |     pub fn from_csv(file_path: &str) -> Result<DataSet, Box<std::error::Error>> {
[INFO] [stdout]     |                                                             ^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn std::error::Error`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/lib.rs:140:18
[INFO] [stdout]     |
[INFO] [stdout] 140 |     StdError(Box<std::error::Error>)
[INFO] [stdout]     |                  ^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn std::error::Error`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `nn`
[INFO] [stdout]   --> src/estimators/mod.rs:26:12
[INFO] [stdout]    |
[INFO] [stdout] 26 | pub fn OBS(nn: &super::FeedForward) {
[INFO] [stdout]    |            ^^ help: if this is intentional, prefix it with an underscore: `_nn`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `obj`
[INFO] [stdout]   --> src/io/mod.rs:85:37
[INFO] [stdout]    |
[INFO] [stdout] 85 | pub fn to_json<T: serde::Serialize>(obj: T) {
[INFO] [stdout]    |                                     ^^^ help: if this is intentional, prefix it with an underscore: `_obj`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `s`
[INFO] [stdout]   --> src/io/mod.rs:90:18
[INFO] [stdout]    |
[INFO] [stdout] 90 | pub fn from_json(s: &str){
[INFO] [stdout]    |                  ^ help: if this is intentional, prefix it with an underscore: `_s`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 5 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 2.30s
[INFO] running `Command { std: "docker" "inspect" "b3dbbe2abd35eecee184714b316dbb294f5ba47c77330cb9fbba13ce121e26d1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b3dbbe2abd35eecee184714b316dbb294f5ba47c77330cb9fbba13ce121e26d1", kill_on_drop: false }`
[INFO] [stdout] b3dbbe2abd35eecee184714b316dbb294f5ba47c77330cb9fbba13ce121e26d1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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" "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" "--user" "0:0" "--network" "none" "rustops/crates-build-env@sha256:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-10-09" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] b43a0baf89f75efd982447a5288cb21be335c8a914e46767f41dd503a852f3fe
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "b43a0baf89f75efd982447a5288cb21be335c8a914e46767f41dd503a852f3fe", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/data/mod.rs:113:61
[INFO] [stderr]     |
[INFO] [stderr] 113 |     pub fn from_csv(file_path: &str) -> Result<DataSet, Box<std::error::Error>> {
[INFO] [stderr]     |                                                             ^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn std::error::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/lib.rs:140:18
[INFO] [stderr]     |
[INFO] [stderr] 140 |     StdError(Box<std::error::Error>)
[INFO] [stderr]     |                  ^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn std::error::Error`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `nn`
[INFO] [stderr]   --> src/estimators/mod.rs:26:12
[INFO] [stderr]    |
[INFO] [stderr] 26 | pub fn OBS(nn: &super::FeedForward) {
[INFO] [stderr]    |            ^^ help: if this is intentional, prefix it with an underscore: `_nn`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `obj`
[INFO] [stderr]   --> src/io/mod.rs:85:37
[INFO] [stderr]    |
[INFO] [stderr] 85 | pub fn to_json<T: serde::Serialize>(obj: T) {
[INFO] [stderr]    |                                     ^^^ help: if this is intentional, prefix it with an underscore: `_obj`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `s`
[INFO] [stderr]   --> src/io/mod.rs:90:18
[INFO] [stderr]    |
[INFO] [stderr] 90 | pub fn from_json(s: &str){
[INFO] [stderr]    |                  ^ help: if this is intentional, prefix it with an underscore: `_s`
[INFO] [stderr] 
[INFO] [stderr] warning: 5 warnings emitted
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/data/mod.rs:113:61
[INFO] [stderr]     |
[INFO] [stderr] 113 |     pub fn from_csv(file_path: &str) -> Result<DataSet, Box<std::error::Error>> {
[INFO] [stderr]     |                                                             ^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn std::error::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/lib.rs:140:18
[INFO] [stderr]     |
[INFO] [stderr] 140 |     StdError(Box<std::error::Error>)
[INFO] [stderr]     |                  ^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn std::error::Error`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `nn`
[INFO] [stderr]   --> src/estimators/mod.rs:26:12
[INFO] [stderr]    |
[INFO] [stderr] 26 | pub fn OBS(nn: &super::FeedForward) {
[INFO] [stderr]    |            ^^ help: if this is intentional, prefix it with an underscore: `_nn`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `obj`
[INFO] [stderr]   --> src/io/mod.rs:85:37
[INFO] [stderr]    |
[INFO] [stderr] 85 | pub fn to_json<T: serde::Serialize>(obj: T) {
[INFO] [stderr]    |                                     ^^^ help: if this is intentional, prefix it with an underscore: `_obj`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `s`
[INFO] [stderr]   --> src/io/mod.rs:90:18
[INFO] [stderr]    |
[INFO] [stderr] 90 | pub fn from_json(s: &str){
[INFO] [stderr]    |                  ^ help: if this is intentional, prefix it with an underscore: `_s`
[INFO] [stderr] 
[INFO] [stderr] warning: 5 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.39s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/neuroflow-228b81ac4f267ffa
[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]    Doc-tests neuroflow
[INFO] [stdout] 
[INFO] [stdout] running 29 tests
[INFO] [stdout] test src/data/mod.rs - data::DataSet (line 48) ... ok
[INFO] [stdout] test src/data/mod.rs - data::DataSet::remove (line 271) ... ok
[INFO] [stdout] test src/data/mod.rs - data::DataSet::round (line 222) ... ok
[INFO] [stdout] test src/data/mod.rs - data::Extractable (line 17) ... ok
[INFO] [stdout] test src/data/mod.rs - data::DataSet::from_csv (line 103) ... ok
[INFO] [stdout] test src/data/mod.rs - data::DataSet::sum (line 149) ... ok
[INFO] [stdout] test src/data/mod.rs - data::DataSet::push (line 254) ... ok
[INFO] [stdout] test src/data/mod.rs - data::DataSet::mean (line 186) ... ok
[INFO] [stdout] test src/data/mod.rs - data::DataSet::new (line 76) ... ok
[INFO] [stdout] test src/io/mod.rs - io::load (line 67) ... ok
[INFO] [stdout] test src/io/mod.rs - io (line 8) ... ok
[INFO] [stdout] test src/io/mod.rs - io::save (line 42) ... ok
[INFO] [stdout] test src/lib.rs - FeedForward (line 223) ... ok
[INFO] [stdout] test src/io/mod.rs - io (line 19) ... ok
[INFO] [stdout] test src/lib.rs - FeedForward::bind (line 397) ... ok
[INFO] [stdout] test src/lib.rs - (line 89) ... ok
[INFO] [stdout] test src/lib.rs - FeedForward (line 186) ... ok
[INFO] [stdout] test src/lib.rs - FeedForward (line 213) ... ok
[INFO] [stdout] test src/lib.rs - FeedForward (line 194) ... ok
[INFO] [stdout] test src/lib.rs - FeedForward::calc (line 474) ... ok
[INFO] [stdout] test src/lib.rs - FeedForward::fit (line 450) ... ok
[INFO] [stdout] test src/lib.rs - FeedForward::momentum (line 532) ... ok
[INFO] [stdout] test src/lib.rs - (line 60) ... FAILED
[INFO] [stdout] test src/lib.rs - FeedForward::learning_rate (line 515) ... ok
[INFO] [stdout] test src/lib.rs - FeedForward (line 202) ... ok
[INFO] [stdout] test src/lib.rs - FeedForward::new (line 295) ... ok
[INFO] [stdout] test src/lib.rs - FeedForward::unbind (line 413) ... ok
[INFO] [stdout] test src/lib.rs - FeedForward::train (line 429) ... ok
[INFO] [stdout] test src/lib.rs - (line 10) ... ok
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout] 
[INFO] [stdout] ---- src/lib.rs - (line 60) stdout ----
[INFO] [stdout] Test executable failed (exit code 101).
[INFO] [stdout] 
[INFO] [stdout] stderr:
[INFO] [stdout] thread 'main' panicked at 'called `Result::unwrap()` on an `Err` value: IO(Os { code: 30, kind: Other, message: "Read-only file system" })', src/lib.rs:13:28
[INFO] [stdout] stack backtrace:
[INFO] [stdout]    0:     0x55bcc5d5be30 - std::backtrace_rs::backtrace::libunwind::trace::h7cf3ca97bd83fbab
[INFO] [stdout]                                at /rustc/212e76c31d461462544b5d516d3bdc99fc8f016e/library/std/src/../../backtrace/src/backtrace/libunwind.rs:96
[INFO] [stdout]    1:     0x55bcc5d5be30 - std::backtrace_rs::backtrace::trace_unsynchronized::h5a69c674b2d9ea5c
[INFO] [stdout]                                at /rustc/212e76c31d461462544b5d516d3bdc99fc8f016e/library/std/src/../../backtrace/src/backtrace/mod.rs:66
[INFO] [stdout]    2:     0x55bcc5d5be30 - std::sys_common::backtrace::_print_fmt::hdf72478dfcb50678
[INFO] [stdout]                                at /rustc/212e76c31d461462544b5d516d3bdc99fc8f016e/library/std/src/sys_common/backtrace.rs:79
[INFO] [stdout]    3:     0x55bcc5d5be30 - <std::sys_common::backtrace::_print::DisplayBacktrace as core::fmt::Display>::fmt::h1e0bdbb35e83deca
[INFO] [stdout]                                at /rustc/212e76c31d461462544b5d516d3bdc99fc8f016e/library/std/src/sys_common/backtrace.rs:58
[INFO] [stdout]    4:     0x55bcc5d78a7c - core::fmt::write::he67f9b17bcb7ee73
[INFO] [stdout]                                at /rustc/212e76c31d461462544b5d516d3bdc99fc8f016e/library/core/src/fmt/mod.rs:1080
[INFO] [stdout]    5:     0x55bcc5d5a432 - std::io::Write::write_fmt::hac97d5cb5753e2ec
[INFO] [stdout]                                at /rustc/212e76c31d461462544b5d516d3bdc99fc8f016e/library/std/src/io/mod.rs:1516
[INFO] [stdout]    6:     0x55bcc5d5df5d - std::sys_common::backtrace::_print::haa20918e28a126c5
[INFO] [stdout]                                at /rustc/212e76c31d461462544b5d516d3bdc99fc8f016e/library/std/src/sys_common/backtrace.rs:61
[INFO] [stdout]    7:     0x55bcc5d5df5d - std::sys_common::backtrace::print::h49e772a4873d9076
[INFO] [stdout]                                at /rustc/212e76c31d461462544b5d516d3bdc99fc8f016e/library/std/src/sys_common/backtrace.rs:48
[INFO] [stdout]    8:     0x55bcc5d5df5d - std::panicking::default_hook::{{closure}}::hb218b305d15e3f11
[INFO] [stdout]                                at /rustc/212e76c31d461462544b5d516d3bdc99fc8f016e/library/std/src/panicking.rs:208
[INFO] [stdout]    9:     0x55bcc5d5dc08 - std::panicking::default_hook::h63997b7b949e1ce0
[INFO] [stdout]                                at /rustc/212e76c31d461462544b5d516d3bdc99fc8f016e/library/std/src/panicking.rs:227
[INFO] [stdout]   10:     0x55bcc5d5e5e1 - std::panicking::rust_panic_with_hook::hb54f09ccadf64bd3
[INFO] [stdout]                                at /rustc/212e76c31d461462544b5d516d3bdc99fc8f016e/library/std/src/panicking.rs:577
[INFO] [stdout]   11:     0x55bcc5d5e189 - std::panicking::begin_panic_handler::{{closure}}::h8b43445b254eeb30
[INFO] [stdout]                                at /rustc/212e76c31d461462544b5d516d3bdc99fc8f016e/library/std/src/panicking.rs:484
[INFO] [stdout]   12:     0x55bcc5d5c2bc - std::sys_common::backtrace::__rust_end_short_backtrace::hacd691450edfeae0
[INFO] [stdout]                                at /rustc/212e76c31d461462544b5d516d3bdc99fc8f016e/library/std/src/sys_common/backtrace.rs:153
[INFO] [stdout]   13:     0x55bcc5d5e149 - rust_begin_unwind
[INFO] [stdout]                                at /rustc/212e76c31d461462544b5d516d3bdc99fc8f016e/library/std/src/panicking.rs:483
[INFO] [stdout]   14:     0x55bcc5d77351 - core::panicking::panic_fmt::h5b17d4a0e853d0f5
[INFO] [stdout]                                at /rustc/212e76c31d461462544b5d516d3bdc99fc8f016e/library/core/src/panicking.rs:85
[INFO] [stdout]   15:     0x55bcc5d77173 - core::option::expect_none_failed::hd08bf36cae411fff
[INFO] [stdout]                                at /rustc/212e76c31d461462544b5d516d3bdc99fc8f016e/library/core/src/option.rs:1234
[INFO] [stdout]   16:     0x55bcc5d1e21c - core::result::Result<T,E>::unwrap::h3c25a5f6108dfc85
[INFO] [stdout]   17:     0x55bcc5d261a0 - rust_out::main::h405f65324f7b53be
[INFO] [stdout]   18:     0x55bcc5d1d4b3 - core::ops::function::FnOnce::call_once::h5c25fabf55f68cb0
[INFO] [stdout]   19:     0x55bcc5d1c5d9 - std::sys_common::backtrace::__rust_begin_short_backtrace::he48b78818c6bb8fc
[INFO] [stdout]   20:     0x55bcc5d1cfe9 - std::rt::lang_start::{{closure}}::h2090de6a9fc357b8
[INFO] [stdout]   21:     0x55bcc5d5ea07 - core::ops::function::impls::<impl core::ops::function::FnOnce<A> for &F>::call_once::h908982dfc31b926f
[INFO] [stdout]                                at /rustc/212e76c31d461462544b5d516d3bdc99fc8f016e/library/core/src/ops/function.rs:259
[INFO] [stdout]   22:     0x55bcc5d5ea07 - std::panicking::try::do_call::h92777899503b7584
[INFO] [stdout]                                at /rustc/212e76c31d461462544b5d516d3bdc99fc8f016e/library/std/src/panicking.rs:381
[INFO] [stdout]   23:     0x55bcc5d5ea07 - std::panicking::try::h8815656b2b76e792
[INFO] [stdout]                                at /rustc/212e76c31d461462544b5d516d3bdc99fc8f016e/library/std/src/panicking.rs:345
[INFO] [stdout]   24:     0x55bcc5d5ea07 - std::panic::catch_unwind::h112ab81228f50b46
[INFO] [stdout]                                at /rustc/212e76c31d461462544b5d516d3bdc99fc8f016e/library/std/src/panic.rs:382
[INFO] [stdout]   25:     0x55bcc5d5ea07 - std::rt::lang_start_internal::h1772a706c7575c24
[INFO] [stdout]                                at /rustc/212e76c31d461462544b5d516d3bdc99fc8f016e/library/std/src/rt.rs:51
[INFO] [stdout]   26:     0x55bcc5d1cfc8 - std::rt::lang_start::h5654c047948033d3
[INFO] [stdout]   27:     0x55bcc5d2623b - main
[INFO] [stdout]   28:     0x7fd4680000b3 - __libc_start_main
[INFO] [stdout]   29:     0x55bcc5d1a0ae - _start
[INFO] [stdout]   30:                0x0 - <unknown>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout]     src/lib.rs - (line 60)
[INFO] [stdout] 
[INFO] [stdout] test result: FAILED. 28 passed; 1 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stderr] error: test failed, to rerun pass '--doc'
[INFO] running `Command { std: "docker" "inspect" "b43a0baf89f75efd982447a5288cb21be335c8a914e46767f41dd503a852f3fe", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b43a0baf89f75efd982447a5288cb21be335c8a914e46767f41dd503a852f3fe", kill_on_drop: false }`
[INFO] [stdout] b43a0baf89f75efd982447a5288cb21be335c8a914e46767f41dd503a852f3fe
