[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] checking alive/logisticregression against try#8e3afc79c11f48cb3acd1be5b3b7de98fe3f93a8 for pr-82565
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Falive%2Flogisticregression" "/workspace/builds/worker-0/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-0/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/alive/logisticregression on toolchain 8e3afc79c11f48cb3acd1be5b3b7de98fe3f93a8
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8e3afc79c11f48cb3acd1be5b3b7de98fe3f93a8" "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-0/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" "+8e3afc79c11f48cb3acd1be5b3b7de98fe3f93a8" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded alga v0.9.3
[INFO] [stderr]   Downloaded nalgebra v0.18.1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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:f2f6bcd4b43ebee4e173f653a26493129bdb64017c85f916b780ca7fbdbaa79d" "/opt/rustwide/cargo-home/bin/cargo" "+8e3afc79c11f48cb3acd1be5b3b7de98fe3f93a8" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 5767527a9ffb8e4dbefc5e70cce99ec5d650fd2c6c0a053aa77952bb64044c3a
[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" "5767527a9ffb8e4dbefc5e70cce99ec5d650fd2c6c0a053aa77952bb64044c3a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "5767527a9ffb8e4dbefc5e70cce99ec5d650fd2c6c0a053aa77952bb64044c3a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5767527a9ffb8e4dbefc5e70cce99ec5d650fd2c6c0a053aa77952bb64044c3a", kill_on_drop: false }`
[INFO] [stdout] 5767527a9ffb8e4dbefc5e70cce99ec5d650fd2c6c0a053aa77952bb64044c3a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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=forbid" "-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:f2f6bcd4b43ebee4e173f653a26493129bdb64017c85f916b780ca7fbdbaa79d" "/opt/rustwide/cargo-home/bin/cargo" "+8e3afc79c11f48cb3acd1be5b3b7de98fe3f93a8" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] d5239a479af1b1fae28e8a209785cfd03dae7da29490d7eafddf236a18b3af98
[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" "d5239a479af1b1fae28e8a209785cfd03dae7da29490d7eafddf236a18b3af98", kill_on_drop: false }`
[INFO] [stderr]    Compiling autocfg v1.0.0
[INFO] [stderr]    Compiling libm v0.2.1
[INFO] [stderr]    Compiling libc v0.2.71
[INFO] [stderr]    Compiling memchr v2.3.3
[INFO] [stderr]    Compiling byteorder v1.3.4
[INFO] [stderr]    Compiling getrandom v0.1.14
[INFO] [stderr]    Compiling typenum v1.12.0
[INFO] [stderr]    Compiling serde v1.0.116
[INFO] [stderr]    Compiling unicode-xid v0.2.1
[INFO] [stderr]     Checking cfg-if v0.1.10
[INFO] [stderr]    Compiling ryu v1.0.5
[INFO] [stderr]    Compiling syn v1.0.42
[INFO] [stderr]    Compiling serde_derive v1.0.116
[INFO] [stderr]     Checking lazy_static v1.4.0
[INFO] [stderr]     Checking rawpointer v0.2.1
[INFO] [stderr]    Compiling rand v0.6.5
[INFO] [stderr]    Compiling proc-macro2 v1.0.24
[INFO] [stderr]     Checking matrixmultiply v0.2.3
[INFO] [stderr]    Compiling num-traits v0.2.11
[INFO] [stderr]    Compiling num-integer v0.1.42
[INFO] [stderr]    Compiling num-complex v0.2.4
[INFO] [stderr]    Compiling num-rational v0.2.4
[INFO] [stderr]     Checking csv-core v0.1.10
[INFO] [stderr]    Compiling quote v1.0.7
[INFO] [stderr]     Checking regex-automata v0.1.9
[INFO] [stderr]     Checking rand_os v0.1.3
[INFO] [stderr]     Checking generic-array v0.12.3
[INFO] [stderr]     Checking rand_core v0.5.1
[INFO] [stderr]     Checking approx v0.3.2
[INFO] [stderr]     Checking rand_chacha v0.2.2
[INFO] [stderr]     Checking rand v0.7.3
[INFO] [stderr]     Checking alga v0.9.3
[INFO] [stderr]     Checking nalgebra v0.18.1
[INFO] [stderr]     Checking bstr v0.2.13
[INFO] [stderr]     Checking csv v1.1.3
[INFO] [stderr]     Checking 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: 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: 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: 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] [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 46.46s
[INFO] running `Command { std: "docker" "inspect" "d5239a479af1b1fae28e8a209785cfd03dae7da29490d7eafddf236a18b3af98", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d5239a479af1b1fae28e8a209785cfd03dae7da29490d7eafddf236a18b3af98", kill_on_drop: false }`
[INFO] [stdout] d5239a479af1b1fae28e8a209785cfd03dae7da29490d7eafddf236a18b3af98