[INFO] cloning repository https://github.com/alive/logisticregression
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/alive/logisticregression" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Falive%2Flogisticregression", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Falive%2Flogisticregression'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] c8f6e4a538c223872538657a57d807f1d043a6e1
[INFO] testing alive/logisticregression against 1.55.0 for beta-1.56-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Falive%2Flogisticregression" "/workspace/builds/worker-9/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-9/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/alive/logisticregression on toolchain 1.55.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/alive/logisticregression
[INFO] finished tweaking git repo https://github.com/alive/logisticregression
[INFO] tweaked toml for git repo https://github.com/alive/logisticregression written to /workspace/builds/worker-9/source/Cargo.toml
[INFO] crate git repo https://github.com/alive/logisticregression already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 4aa65981aa5258262c3036ea1682aae3f5aaffc2e46605e18b277a204ea265d8
[INFO] running `Command { std: "docker" "start" "-a" "4aa65981aa5258262c3036ea1682aae3f5aaffc2e46605e18b277a204ea265d8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "4aa65981aa5258262c3036ea1682aae3f5aaffc2e46605e18b277a204ea265d8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4aa65981aa5258262c3036ea1682aae3f5aaffc2e46605e18b277a204ea265d8", kill_on_drop: false }`
[INFO] [stdout] 4aa65981aa5258262c3036ea1682aae3f5aaffc2e46605e18b277a204ea265d8
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 79bda8cd57a3990ecfa0dc92adcbb92b829c942df6682ea9ab7f3dbdbd5b4519
[INFO] running `Command { std: "docker" "start" "-a" "79bda8cd57a3990ecfa0dc92adcbb92b829c942df6682ea9ab7f3dbdbd5b4519", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.71
[INFO] [stderr]    Compiling syn v1.0.42
[INFO] [stderr]    Compiling ppv-lite86 v0.2.8
[INFO] [stderr]    Compiling serde_derive v1.0.116
[INFO] [stderr]    Compiling num-traits v0.2.11
[INFO] [stderr]    Compiling num-complex v0.2.4
[INFO] [stderr]    Compiling num-rational v0.2.4
[INFO] [stderr]    Compiling rand v0.6.5
[INFO] [stderr]    Compiling matrixmultiply v0.2.3
[INFO] [stderr]    Compiling generic-array v0.12.3
[INFO] [stderr]    Compiling bstr v0.2.13
[INFO] [stderr]    Compiling csv v1.1.3
[INFO] [stderr]    Compiling getrandom v0.1.14
[INFO] [stderr]    Compiling rand_os v0.1.3
[INFO] [stderr]    Compiling num-integer v0.1.42
[INFO] [stderr]    Compiling approx v0.3.2
[INFO] [stderr]    Compiling rand_core v0.5.1
[INFO] [stderr]    Compiling rand_chacha v0.2.2
[INFO] [stderr]    Compiling alga v0.9.3
[INFO] [stderr]    Compiling rand v0.7.3
[INFO] [stderr]    Compiling nalgebra v0.18.1
[INFO] [stderr]    Compiling logisticRegression v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `csv::Reader`
[INFO] [stdout]  --> src/main.rs:9:5
[INFO] [stdout]   |
[INFO] [stdout] 9 | use csv::Reader;
[INFO] [stdout]   |     ^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated struct `rand::distributions::Normal`: moved to rand_distr crate
[INFO] [stdout]  --> src/main.rs:7:27
[INFO] [stdout]   |
[INFO] [stdout] 7 | use rand::distributions::{Normal, Distribution};
[INFO] [stdout]   |                           ^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated struct `rand::distributions::Normal`: moved to rand_distr crate
[INFO] [stdout]    --> src/main.rs:144:18
[INFO] [stdout]     |
[INFO] [stdout] 144 |     let normal = Normal::new(0.0, 1.0);
[INFO] [stdout]     |                  ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `i`
[INFO] [stdout]    --> src/main.rs:145:41
[INFO] [stdout]     |
[INFO] [stdout] 145 |     let theta = DVector::from_fn(size, |i, _| normal.sample(&mut rand::thread_rng()));
[INFO] [stdout]     |                                         ^ help: if this is intentional, prefix it with an underscore: `_i`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: crate `logisticRegression` should have a snake case name
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(non_snake_case)]` on by default
[INFO] [stdout]   = help: convert the identifier to snake case: `logistic_regression`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `testProportion` should have an upper case name
[INFO] [stdout]   --> src/main.rs:22:7
[INFO] [stdout]    |
[INFO] [stdout] 22 | const testProportion: f64  = 0.25;
[INFO] [stdout]    |       ^^^^^^^^^^^^^^ help: convert the identifier to upper case: `TEST_PROPORTION`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(non_upper_case_globals)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `inputVec` should have a snake case name
[INFO] [stdout]   --> src/main.rs:37:13
[INFO] [stdout]    |
[INFO] [stdout] 37 |     let mut inputVec = Vec::new(); 
[INFO] [stdout]    |             ^^^^^^^^ help: convert the identifier to snake case: `input_vec`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `outputVec` should have a snake case name
[INFO] [stdout]   --> src/main.rs:38:13
[INFO] [stdout]    |
[INFO] [stdout] 38 |     let mut outputVec = Vec::new();
[INFO] [stdout]    |             ^^^^^^^^^ help: convert the identifier to snake case: `output_vec`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `testInputVec` should have a snake case name
[INFO] [stdout]   --> src/main.rs:40:13
[INFO] [stdout]    |
[INFO] [stdout] 40 |     let mut testInputVec = Vec::new();
[INFO] [stdout]    |             ^^^^^^^^^^^^ help: convert the identifier to snake case: `test_input_vec`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `testOutputVec` should have a snake case name
[INFO] [stdout]   --> src/main.rs:41:13
[INFO] [stdout]    |
[INFO] [stdout] 41 |     let mut testOutputVec = Vec::new();
[INFO] [stdout]    |             ^^^^^^^^^^^^^ help: convert the identifier to snake case: `test_output_vec`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `testRatio` should have a snake case name
[INFO] [stdout]   --> src/main.rs:44:9
[INFO] [stdout]    |
[INFO] [stdout] 44 |     let testRatio = (1.0 / testProportion) as usize;
[INFO] [stdout]    |         ^^^^^^^^^ help: convert the identifier to snake case: `test_ratio`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `numTests` should have a snake case name
[INFO] [stdout]   --> src/main.rs:45:13
[INFO] [stdout]    |
[INFO] [stdout] 45 |     let mut numTests = 0;
[INFO] [stdout]    |             ^^^^^^^^ help: convert the identifier to snake case: `num_tests`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `testInputs` should have a snake case name
[INFO] [stdout]   --> src/main.rs:74:9
[INFO] [stdout]    |
[INFO] [stdout] 74 |     let testInputs = DMatrix::from_row_slice(numTests, cols, &testInputVec[..]);
[INFO] [stdout]    |         ^^^^^^^^^^ help: convert the identifier to snake case: `test_inputs`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `testOutputs` should have a snake case name
[INFO] [stdout]   --> src/main.rs:75:9
[INFO] [stdout]    |
[INFO] [stdout] 75 |     let testOutputs = DMatrix::from_row_slice(numTests, 1, &testOutputVec[..]);
[INFO] [stdout]    |         ^^^^^^^^^^^ help: convert the identifier to snake case: `test_outputs`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `max_epochs` should have an upper case name
[INFO] [stdout]   --> src/main.rs:88:7
[INFO] [stdout]    |
[INFO] [stdout] 88 | const max_epochs: i32 = 5000;
[INFO] [stdout]    |       ^^^^^^^^^^ help: convert the identifier to upper case: `MAX_EPOCHS`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `learning_rate` should have an upper case name
[INFO] [stdout]   --> src/main.rs:89:7
[INFO] [stdout]    |
[INFO] [stdout] 89 | const learning_rate: f64 = 0.1;
[INFO] [stdout]    |       ^^^^^^^^^^^^^ help: convert the identifier to upper case: `LEARNING_RATE`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 16 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 26.60s
[INFO] running `Command { std: "docker" "inspect" "79bda8cd57a3990ecfa0dc92adcbb92b829c942df6682ea9ab7f3dbdbd5b4519", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "79bda8cd57a3990ecfa0dc92adcbb92b829c942df6682ea9ab7f3dbdbd5b4519", kill_on_drop: false }`
[INFO] [stdout] 79bda8cd57a3990ecfa0dc92adcbb92b829c942df6682ea9ab7f3dbdbd5b4519
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 4c2a0ebbee68beaa22a947fbe3d7d26f7e25b6fbd50e94b28ab237f441852031
[INFO] running `Command { std: "docker" "start" "-a" "4c2a0ebbee68beaa22a947fbe3d7d26f7e25b6fbd50e94b28ab237f441852031", kill_on_drop: false }`
[INFO] [stderr]    Compiling logisticRegression v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `csv::Reader`
[INFO] [stdout]  --> src/main.rs:9:5
[INFO] [stdout]   |
[INFO] [stdout] 9 | use csv::Reader;
[INFO] [stdout]   |     ^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated struct `rand::distributions::Normal`: moved to rand_distr crate
[INFO] [stdout]  --> src/main.rs:7:27
[INFO] [stdout]   |
[INFO] [stdout] 7 | use rand::distributions::{Normal, Distribution};
[INFO] [stdout]   |                           ^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated struct `rand::distributions::Normal`: moved to rand_distr crate
[INFO] [stdout]    --> src/main.rs:144:18
[INFO] [stdout]     |
[INFO] [stdout] 144 |     let normal = Normal::new(0.0, 1.0);
[INFO] [stdout]     |                  ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `i`
[INFO] [stdout]    --> src/main.rs:145:41
[INFO] [stdout]     |
[INFO] [stdout] 145 |     let theta = DVector::from_fn(size, |i, _| normal.sample(&mut rand::thread_rng()));
[INFO] [stdout]     |                                         ^ help: if this is intentional, prefix it with an underscore: `_i`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: crate `logisticRegression` should have a snake case name
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(non_snake_case)]` on by default
[INFO] [stdout]   = help: convert the identifier to snake case: `logistic_regression`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `testProportion` should have an upper case name
[INFO] [stdout]   --> src/main.rs:22:7
[INFO] [stdout]    |
[INFO] [stdout] 22 | const testProportion: f64  = 0.25;
[INFO] [stdout]    |       ^^^^^^^^^^^^^^ help: convert the identifier to upper case: `TEST_PROPORTION`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(non_upper_case_globals)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `inputVec` should have a snake case name
[INFO] [stdout]   --> src/main.rs:37:13
[INFO] [stdout]    |
[INFO] [stdout] 37 |     let mut inputVec = Vec::new(); 
[INFO] [stdout]    |             ^^^^^^^^ help: convert the identifier to snake case: `input_vec`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `outputVec` should have a snake case name
[INFO] [stdout]   --> src/main.rs:38:13
[INFO] [stdout]    |
[INFO] [stdout] 38 |     let mut outputVec = Vec::new();
[INFO] [stdout]    |             ^^^^^^^^^ help: convert the identifier to snake case: `output_vec`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `testInputVec` should have a snake case name
[INFO] [stdout]   --> src/main.rs:40:13
[INFO] [stdout]    |
[INFO] [stdout] 40 |     let mut testInputVec = Vec::new();
[INFO] [stdout]    |             ^^^^^^^^^^^^ help: convert the identifier to snake case: `test_input_vec`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `testOutputVec` should have a snake case name
[INFO] [stdout]   --> src/main.rs:41:13
[INFO] [stdout]    |
[INFO] [stdout] 41 |     let mut testOutputVec = Vec::new();
[INFO] [stdout]    |             ^^^^^^^^^^^^^ help: convert the identifier to snake case: `test_output_vec`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `testRatio` should have a snake case name
[INFO] [stdout]   --> src/main.rs:44:9
[INFO] [stdout]    |
[INFO] [stdout] 44 |     let testRatio = (1.0 / testProportion) as usize;
[INFO] [stdout]    |         ^^^^^^^^^ help: convert the identifier to snake case: `test_ratio`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `numTests` should have a snake case name
[INFO] [stdout]   --> src/main.rs:45:13
[INFO] [stdout]    |
[INFO] [stdout] 45 |     let mut numTests = 0;
[INFO] [stdout]    |             ^^^^^^^^ help: convert the identifier to snake case: `num_tests`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `testInputs` should have a snake case name
[INFO] [stdout]   --> src/main.rs:74:9
[INFO] [stdout]    |
[INFO] [stdout] 74 |     let testInputs = DMatrix::from_row_slice(numTests, cols, &testInputVec[..]);
[INFO] [stdout]    |         ^^^^^^^^^^ help: convert the identifier to snake case: `test_inputs`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `testOutputs` should have a snake case name
[INFO] [stdout]   --> src/main.rs:75:9
[INFO] [stdout]    |
[INFO] [stdout] 75 |     let testOutputs = DMatrix::from_row_slice(numTests, 1, &testOutputVec[..]);
[INFO] [stdout]    |         ^^^^^^^^^^^ help: convert the identifier to snake case: `test_outputs`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `max_epochs` should have an upper case name
[INFO] [stdout]   --> src/main.rs:88:7
[INFO] [stdout]    |
[INFO] [stdout] 88 | const max_epochs: i32 = 5000;
[INFO] [stdout]    |       ^^^^^^^^^^ help: convert the identifier to upper case: `MAX_EPOCHS`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `learning_rate` should have an upper case name
[INFO] [stdout]   --> src/main.rs:89:7
[INFO] [stdout]    |
[INFO] [stdout] 89 | const learning_rate: f64 = 0.1;
[INFO] [stdout]    |       ^^^^^^^^^^^^^ help: convert the identifier to upper case: `LEARNING_RATE`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 16 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.79s
[INFO] running `Command { std: "docker" "inspect" "4c2a0ebbee68beaa22a947fbe3d7d26f7e25b6fbd50e94b28ab237f441852031", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4c2a0ebbee68beaa22a947fbe3d7d26f7e25b6fbd50e94b28ab237f441852031", kill_on_drop: false }`
[INFO] [stdout] 4c2a0ebbee68beaa22a947fbe3d7d26f7e25b6fbd50e94b28ab237f441852031
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 85f25bb3b138da6a4166394922577c9ae9438a08bbe474e1209f30b7e82c8f67
[INFO] running `Command { std: "docker" "start" "-a" "85f25bb3b138da6a4166394922577c9ae9438a08bbe474e1209f30b7e82c8f67", kill_on_drop: false }`
[INFO] [stderr] warning: unused import: `csv::Reader`
[INFO] [stderr]  --> src/main.rs:9:5
[INFO] [stderr]   |
[INFO] [stderr] 9 | use csv::Reader;
[INFO] [stderr]   |     ^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated struct `rand::distributions::Normal`: moved to rand_distr crate
[INFO] [stderr]  --> src/main.rs:7:27
[INFO] [stderr]   |
[INFO] [stderr] 7 | use rand::distributions::{Normal, Distribution};
[INFO] [stderr]   |                           ^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(deprecated)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated struct `rand::distributions::Normal`: moved to rand_distr crate
[INFO] [stderr]    --> src/main.rs:144:18
[INFO] [stderr]     |
[INFO] [stderr] 144 |     let normal = Normal::new(0.0, 1.0);
[INFO] [stderr]     |                  ^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `i`
[INFO] [stderr]    --> src/main.rs:145:41
[INFO] [stderr]     |
[INFO] [stderr] 145 |     let theta = DVector::from_fn(size, |i, _| normal.sample(&mut rand::thread_rng()));
[INFO] [stderr]     |                                         ^ help: if this is intentional, prefix it with an underscore: `_i`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: crate `logisticRegression` should have a snake case name
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(non_snake_case)]` on by default
[INFO] [stderr]   = help: convert the identifier to snake case: `logistic_regression`
[INFO] [stderr] 
[INFO] [stderr] warning: constant `testProportion` should have an upper case name
[INFO] [stderr]   --> src/main.rs:22:7
[INFO] [stderr]    |
[INFO] [stderr] 22 | const testProportion: f64  = 0.25;
[INFO] [stderr]    |       ^^^^^^^^^^^^^^ help: convert the identifier to upper case: `TEST_PROPORTION`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(non_upper_case_globals)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variable `inputVec` should have a snake case name
[INFO] [stderr]   --> src/main.rs:37:13
[INFO] [stderr]    |
[INFO] [stderr] 37 |     let mut inputVec = Vec::new(); 
[INFO] [stderr]    |             ^^^^^^^^ help: convert the identifier to snake case: `input_vec`
[INFO] [stderr] 
[INFO] [stderr] warning: variable `outputVec` should have a snake case name
[INFO] [stderr]   --> src/main.rs:38:13
[INFO] [stderr]    |
[INFO] [stderr] 38 |     let mut outputVec = Vec::new();
[INFO] [stderr]    |             ^^^^^^^^^ help: convert the identifier to snake case: `output_vec`
[INFO] [stderr] 
[INFO] [stderr] warning: variable `testInputVec` should have a snake case name
[INFO] [stderr]   --> src/main.rs:40:13
[INFO] [stderr]    |
[INFO] [stderr] 40 |     let mut testInputVec = Vec::new();
[INFO] [stderr]    |             ^^^^^^^^^^^^ help: convert the identifier to snake case: `test_input_vec`
[INFO] [stderr] 
[INFO] [stderr] warning: variable `testOutputVec` should have a snake case name
[INFO] [stderr]   --> src/main.rs:41:13
[INFO] [stderr]    |
[INFO] [stderr] 41 |     let mut testOutputVec = Vec::new();
[INFO] [stderr]    |             ^^^^^^^^^^^^^ help: convert the identifier to snake case: `test_output_vec`
[INFO] [stderr] 
[INFO] [stderr] warning: variable `testRatio` should have a snake case name
[INFO] [stderr]   --> src/main.rs:44:9
[INFO] [stderr]    |
[INFO] [stderr] 44 |     let testRatio = (1.0 / testProportion) as usize;
[INFO] [stderr]    |         ^^^^^^^^^ help: convert the identifier to snake case: `test_ratio`
[INFO] [stderr] 
[INFO] [stderr] warning: variable `numTests` should have a snake case name
[INFO] [stderr]   --> src/main.rs:45:13
[INFO] [stderr]    |
[INFO] [stderr] 45 |     let mut numTests = 0;
[INFO] [stderr]    |             ^^^^^^^^ help: convert the identifier to snake case: `num_tests`
[INFO] [stderr] 
[INFO] [stderr] warning: variable `testInputs` should have a snake case name
[INFO] [stderr]   --> src/main.rs:74:9
[INFO] [stderr]    |
[INFO] [stderr] 74 |     let testInputs = DMatrix::from_row_slice(numTests, cols, &testInputVec[..]);
[INFO] [stderr]    |         ^^^^^^^^^^ help: convert the identifier to snake case: `test_inputs`
[INFO] [stderr] 
[INFO] [stderr] warning: variable `testOutputs` should have a snake case name
[INFO] [stderr]   --> src/main.rs:75:9
[INFO] [stderr]    |
[INFO] [stderr] 75 |     let testOutputs = DMatrix::from_row_slice(numTests, 1, &testOutputVec[..]);
[INFO] [stderr]    |         ^^^^^^^^^^^ help: convert the identifier to snake case: `test_outputs`
[INFO] [stderr] 
[INFO] [stderr] warning: constant `max_epochs` should have an upper case name
[INFO] [stderr]   --> src/main.rs:88:7
[INFO] [stderr]    |
[INFO] [stderr] 88 | const max_epochs: i32 = 5000;
[INFO] [stderr]    |       ^^^^^^^^^^ help: convert the identifier to upper case: `MAX_EPOCHS`
[INFO] [stderr] 
[INFO] [stderr] warning: constant `learning_rate` should have an upper case name
[INFO] [stderr]   --> src/main.rs:89:7
[INFO] [stderr]    |
[INFO] [stderr] 89 | const learning_rate: f64 = 0.1;
[INFO] [stderr]    |       ^^^^^^^^^^^^^ help: convert the identifier to upper case: `LEARNING_RATE`
[INFO] [stderr] 
[INFO] [stderr] warning: `logisticRegression` (bin "logisticRegression" test) generated 16 warnings
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.06s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/logisticRegression-b5978ede51efa70f)
[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; finished in 0.00s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "85f25bb3b138da6a4166394922577c9ae9438a08bbe474e1209f30b7e82c8f67", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "85f25bb3b138da6a4166394922577c9ae9438a08bbe474e1209f30b7e82c8f67", kill_on_drop: false }`
[INFO] [stdout] 85f25bb3b138da6a4166394922577c9ae9438a08bbe474e1209f30b7e82c8f67