[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 1.44.0 for beta-1.45-1
[INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fubnt-intrepid%2Frusty-machine-toy" "/workspace/builds/worker-11/source"`
[INFO] [stderr] Cloning into '/workspace/builds/worker-11/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/ubnt-intrepid/rusty-machine-toy on toolchain 1.44.0
[INFO] running `"/workspace/cargo-home/bin/cargo" "+1.44.0" "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-11/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" "+1.44.0" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/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" "+1.44.0" "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] 44b46c8a61f698e09580ab3f866c4ca98a7580f5874454f6ae42d7a89f291e45
[INFO] running `"docker" "start" "-a" "44b46c8a61f698e09580ab3f866c4ca98a7580f5874454f6ae42d7a89f291e45"`
[INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted
[INFO] [stderr]    Compiling matrixmultiply v0.1.13
[INFO] [stderr]    Compiling either v1.0.2
[INFO] [stderr]    Compiling rustplotlib v0.0.4 (https://github.com/ubnt-intrepid/rustplotlib.git#273305c3)
[INFO] [stderr]    Compiling num-integer v0.1.32
[INFO] [stderr]    Compiling csv v0.14.7
[INFO] [stderr]    Compiling itertools v0.5.8
[INFO] [stderr]    Compiling num-iter v0.1.32
[INFO] [stderr]    Compiling num v0.1.36
[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: 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: 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: 1 warning emitted
[INFO] [stderr] 
[INFO] [stderr] warning: 2 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 11.70s
[INFO] running `"docker" "inspect" "44b46c8a61f698e09580ab3f866c4ca98a7580f5874454f6ae42d7a89f291e45"`
[INFO] running `"docker" "rm" "-f" "44b46c8a61f698e09580ab3f866c4ca98a7580f5874454f6ae42d7a89f291e45"`
[INFO] [stdout] 44b46c8a61f698e09580ab3f866c4ca98a7580f5874454f6ae42d7a89f291e45
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/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" "+1.44.0" "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] 62f24f656bc55bff17157df1bd21f20b15130bdb38d17e9e07e403d095783366
[INFO] running `"docker" "start" "-a" "62f24f656bc55bff17157df1bd21f20b15130bdb38d17e9e07e403d095783366"`
[INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted
[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 1.01s
[INFO] running `"docker" "inspect" "62f24f656bc55bff17157df1bd21f20b15130bdb38d17e9e07e403d095783366"`
[INFO] running `"docker" "rm" "-f" "62f24f656bc55bff17157df1bd21f20b15130bdb38d17e9e07e403d095783366"`
[INFO] [stdout] 62f24f656bc55bff17157df1bd21f20b15130bdb38d17e9e07e403d095783366
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/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" "+1.44.0" "test" "--frozen"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] d9ef9bbb34d2a382098ce68521037e484f1953c57296d2f3dc19d82099d379f6
[INFO] running `"docker" "start" "-a" "d9ef9bbb34d2a382098ce68521037e484f1953c57296d2f3dc19d82099d379f6"`
[INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted
[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 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: 2 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.07s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/logistic-15a5e38263b5f57b
[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/rustwide/target/debug/deps/perceptron-669b38925aa817d7
[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" "d9ef9bbb34d2a382098ce68521037e484f1953c57296d2f3dc19d82099d379f6"`
[INFO] running `"docker" "rm" "-f" "d9ef9bbb34d2a382098ce68521037e484f1953c57296d2f3dc19d82099d379f6"`
[INFO] [stdout] d9ef9bbb34d2a382098ce68521037e484f1953c57296d2f3dc19d82099d379f6