[INFO] updating cached repository https://github.com/ubnt-intrepid/rusty-machine-toy
[INFO] running `"git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/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] 406ff3a6d92c1d8686ac689d2724ebaf1c359d4f
[INFO] testing ubnt-intrepid/rusty-machine-toy against master#28742a1146f10a4f09369baad027a464acb7a766 for pr-71274
[INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fubnt-intrepid%2Frusty-machine-toy" "/workspace/builds/worker-14/source"`
[INFO] [stderr] Cloning into '/workspace/builds/worker-14/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/ubnt-intrepid/rusty-machine-toy on toolchain 28742a1146f10a4f09369baad027a464acb7a766
[INFO] running `"/workspace/cargo-home/bin/cargo" "+28742a1146f10a4f09369baad027a464acb7a766" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking git repo https://github.com/ubnt-intrepid/rusty-machine-toy
[INFO] finished tweaking git repo https://github.com/ubnt-intrepid/rusty-machine-toy
[INFO] tweaked toml for git repo https://github.com/ubnt-intrepid/rusty-machine-toy written to /workspace/builds/worker-14/source/Cargo.toml
[INFO] crate git repo https://github.com/ubnt-intrepid/rusty-machine-toy already has a lockfile, it will not be regenerated
[INFO] running `"/workspace/cargo-home/bin/cargo" "+28742a1146f10a4f09369baad027a464acb7a766" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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=forbid" "-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" "+28742a1146f10a4f09369baad027a464acb7a766" "build" "--frozen"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 76b1113c5032e2f2ddb8e1c55811ace7f5b72ce821651b9a0aa852b960429fe3
[INFO] running `"docker" "start" "-a" "76b1113c5032e2f2ddb8e1c55811ace7f5b72ce821651b9a0aa852b960429fe3"`
[INFO] [stderr]    Compiling matrixmultiply v0.1.13
[INFO] [stderr]    Compiling libc v0.2.18
[INFO] [stderr]    Compiling either v1.0.2
[INFO] [stderr]    Compiling byteorder v0.5.3
[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 rand v0.3.15
[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/rustwide/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: if this is intentional, prefix it 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] warning: 1 warning emitted
[INFO] [stderr] 
[INFO] [stderr] warning: 2 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 14.26s
[INFO] running `"docker" "inspect" "76b1113c5032e2f2ddb8e1c55811ace7f5b72ce821651b9a0aa852b960429fe3"`
[INFO] running `"docker" "rm" "-f" "76b1113c5032e2f2ddb8e1c55811ace7f5b72ce821651b9a0aa852b960429fe3"`
[INFO] [stdout] 76b1113c5032e2f2ddb8e1c55811ace7f5b72ce821651b9a0aa852b960429fe3
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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=forbid" "-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" "+28742a1146f10a4f09369baad027a464acb7a766" "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] 5f3cb08d20ec7f3842744419414900b3e10840dc85d71b29c8d39a7302da79f6
[INFO] running `"docker" "start" "-a" "5f3cb08d20ec7f3842744419414900b3e10840dc85d71b29c8d39a7302da79f6"`
[INFO] [stderr]    Compiling rusty-machine-toy v0.1.0 (/opt/rustwide/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: if this is intentional, prefix it 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] warning: 1 warning emitted
[INFO] [stderr] 
[INFO] [stderr] warning: 2 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.23s
[INFO] running `"docker" "inspect" "5f3cb08d20ec7f3842744419414900b3e10840dc85d71b29c8d39a7302da79f6"`
[INFO] running `"docker" "rm" "-f" "5f3cb08d20ec7f3842744419414900b3e10840dc85d71b29c8d39a7302da79f6"`
[INFO] [stdout] 5f3cb08d20ec7f3842744419414900b3e10840dc85d71b29c8d39a7302da79f6
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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=forbid" "-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" "+28742a1146f10a4f09369baad027a464acb7a766" "test" "--frozen"`
[INFO] [stdout] cb42ae8030d76f72d46a76e93fcf72f362710112dcaded001a022bbbfd0b625b
[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" "cb42ae8030d76f72d46a76e93fcf72f362710112dcaded001a022bbbfd0b625b"`
[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: 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] warning: 1 warning emitted
[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: if this is intentional, prefix it with an underscore: `_probs`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: 2 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.17s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/logistic-926d07ca82fa23ba
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/perceptron-b88ef858a14992ee
[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] [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" "cb42ae8030d76f72d46a76e93fcf72f362710112dcaded001a022bbbfd0b625b"`
[INFO] running `"docker" "rm" "-f" "cb42ae8030d76f72d46a76e93fcf72f362710112dcaded001a022bbbfd0b625b"`
[INFO] [stdout] cb42ae8030d76f72d46a76e93fcf72f362710112dcaded001a022bbbfd0b625b