[INFO] updating cached repository ubnt-intrepid/rusty-machine-toy
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/ubnt-intrepid/rusty-machine-toy
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/ubnt-intrepid/rusty-machine-toy" "work/ex/beta-1.37-6/sources/1.36.0/gh/ubnt-intrepid/rusty-machine-toy"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.37-6/sources/1.36.0/gh/ubnt-intrepid/rusty-machine-toy'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/ubnt-intrepid/rusty-machine-toy" "work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/ubnt-intrepid/rusty-machine-toy"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/ubnt-intrepid/rusty-machine-toy'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 406ff3a6d92c1d8686ac689d2724ebaf1c359d4f
[INFO] sha for GitHub repo ubnt-intrepid/rusty-machine-toy: 406ff3a6d92c1d8686ac689d2724ebaf1c359d4f
[INFO] validating manifest of ubnt-intrepid/rusty-machine-toy on toolchain 1.36.0
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.36.0" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of ubnt-intrepid/rusty-machine-toy on toolchain beta-2019-07-23
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-07-23" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing ubnt-intrepid/rusty-machine-toy
[INFO] finished frobbing ubnt-intrepid/rusty-machine-toy
[INFO] frobbed toml for ubnt-intrepid/rusty-machine-toy written to work/ex/beta-1.37-6/sources/1.36.0/gh/ubnt-intrepid/rusty-machine-toy/Cargo.toml
[INFO] started frobbing ubnt-intrepid/rusty-machine-toy
[INFO] finished frobbing ubnt-intrepid/rusty-machine-toy
[INFO] frobbed toml for ubnt-intrepid/rusty-machine-toy written to work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/ubnt-intrepid/rusty-machine-toy/Cargo.toml
[INFO] crate ubnt-intrepid/rusty-machine-toy already has a lockfile, it will not be regenerated
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.36.0" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-07-23" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] testing ubnt-intrepid/rusty-machine-toy against 1.36.0 for beta-1.37-6
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-7/1.36.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/1.36.0/gh/ubnt-intrepid/rusty-machine-toy:/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=warn" "-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" "+1.36.0" "build" "--frozen"`
[INFO] [stdout] 35721e94f0c43ba2d459b633bfd8e4fa203fbaf948d292460296d783fbe89912
[INFO] running `"docker" "start" "-a" "35721e94f0c43ba2d459b633bfd8e4fa203fbaf948d292460296d783fbe89912"`
[INFO] [stderr]    Compiling matrixmultiply v0.1.13
[INFO] [stderr]    Compiling rustplotlib v0.0.4 (https://github.com/ubnt-intrepid/rustplotlib.git#273305c3)
[INFO] [stderr]    Compiling itertools v0.5.8
[INFO] [stderr]    Compiling csv v0.14.7
[INFO] [stderr]    Compiling rulinalg v0.3.7
[INFO] [stderr]    Compiling rusty-machine v0.5.3
[INFO] [stderr]    Compiling rusty-machine-toy v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: unused import: `Vector`
[INFO] [stderr]  --> src/bin/logistic.rs:7:18
[INFO] [stderr]   |
[INFO] [stderr] 7 | use rm::linalg::{Vector, Matrix};
[INFO] [stderr]   |                  ^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: #[warn(unused_imports)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `probs`
[INFO] [stderr]   --> src/bin/logistic.rs:59:9
[INFO] [stderr]    |
[INFO] [stderr] 59 |     let probs = gmm.predict(&inputs).unwrap();
[INFO] [stderr]    |         ^^^^^ help: consider prefixing with an underscore: `_probs`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(unused_variables)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]   --> src/bin/../model/perceptron.rs:27:14
[INFO] [stderr]    |
[INFO] [stderr] 27 |         for (mut w, x) in izip!(&mut self.w[..], &xi[..]) {
[INFO] [stderr]    |              ----^
[INFO] [stderr]    |              |
[INFO] [stderr]    |              help: remove this `mut`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(unused_mut)] on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 12.44s
[INFO] running `"docker" "inspect" "35721e94f0c43ba2d459b633bfd8e4fa203fbaf948d292460296d783fbe89912"`
[INFO] running `"docker" "rm" "-f" "35721e94f0c43ba2d459b633bfd8e4fa203fbaf948d292460296d783fbe89912"`
[INFO] [stdout] 35721e94f0c43ba2d459b633bfd8e4fa203fbaf948d292460296d783fbe89912
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-7/1.36.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/1.36.0/gh/ubnt-intrepid/rusty-machine-toy:/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=warn" "-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" "+1.36.0" "test" "--frozen" "--no-run"`
[INFO] [stdout] 3bb843aa1d4f741ab6ca231ae84d00a6c80a75fd7fb88ec145b7fd5a4cc7dfbb
[INFO] running `"docker" "start" "-a" "3bb843aa1d4f741ab6ca231ae84d00a6c80a75fd7fb88ec145b7fd5a4cc7dfbb"`
[INFO] [stderr]    Compiling rusty-machine-toy v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: unused import: `Vector`
[INFO] [stderr]  --> src/bin/logistic.rs:7:18
[INFO] [stderr]   |
[INFO] [stderr] 7 | use rm::linalg::{Vector, Matrix};
[INFO] [stderr]   |                  ^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: #[warn(unused_imports)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `probs`
[INFO] [stderr]   --> src/bin/logistic.rs:59:9
[INFO] [stderr]    |
[INFO] [stderr] 59 |     let probs = gmm.predict(&inputs).unwrap();
[INFO] [stderr]    |         ^^^^^ help: consider prefixing with an underscore: `_probs`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(unused_variables)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]   --> src/bin/../model/perceptron.rs:27:14
[INFO] [stderr]    |
[INFO] [stderr] 27 |         for (mut w, x) in izip!(&mut self.w[..], &xi[..]) {
[INFO] [stderr]    |              ----^
[INFO] [stderr]    |              |
[INFO] [stderr]    |              help: remove this `mut`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(unused_mut)] on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.14s
[INFO] running `"docker" "inspect" "3bb843aa1d4f741ab6ca231ae84d00a6c80a75fd7fb88ec145b7fd5a4cc7dfbb"`
[INFO] running `"docker" "rm" "-f" "3bb843aa1d4f741ab6ca231ae84d00a6c80a75fd7fb88ec145b7fd5a4cc7dfbb"`
[INFO] [stdout] 3bb843aa1d4f741ab6ca231ae84d00a6c80a75fd7fb88ec145b7fd5a4cc7dfbb
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-7/1.36.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/1.36.0/gh/ubnt-intrepid/rusty-machine-toy:/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=warn" "-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" "+1.36.0" "test" "--frozen"`
[INFO] [stdout] 67f59bdfe508199b2068a6b09333194f23a030063b5ea1a41c4401b42fb7d67a
[INFO] running `"docker" "start" "-a" "67f59bdfe508199b2068a6b09333194f23a030063b5ea1a41c4401b42fb7d67a"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.03s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/logistic-c8763bbd8627ffc5
[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/crater/target/debug/deps/perceptron-e06c0cc7a0159e69
[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" "67f59bdfe508199b2068a6b09333194f23a030063b5ea1a41c4401b42fb7d67a"`
[INFO] running `"docker" "rm" "-f" "67f59bdfe508199b2068a6b09333194f23a030063b5ea1a41c4401b42fb7d67a"`
[INFO] [stdout] 67f59bdfe508199b2068a6b09333194f23a030063b5ea1a41c4401b42fb7d67a