[INFO] cloning repository https://github.com/jonathanpwolfe/pleiades
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/jonathanpwolfe/pleiades" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjonathanpwolfe%2Fpleiades", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjonathanpwolfe%2Fpleiades'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 8af0c7654f54f9390c6e0f8d141c6d16e3c4c057
[INFO] testing jonathanpwolfe/pleiades against 1.98.0-beta.1 for beta-1.98-2
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjonathanpwolfe%2Fpleiades" "/workspace/builds/worker-4-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/jonathanpwolfe/pleiades
[INFO] finished tweaking git repo https://github.com/jonathanpwolfe/pleiades
[INFO] tweaked toml for git repo https://github.com/jonathanpwolfe/pleiades written to /workspace/builds/worker-4-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/jonathanpwolfe/pleiades on toolchain 1.98.0-beta.1
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.98.0-beta.1" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/jonathanpwolfe/pleiades already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.98.0-beta.1" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,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" "-m" "1610612736" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:3d5ced03c013a94a2f102a4510f48a6e9184255caf5fd8244f58017bde7f5210" "sleep" "infinity", kill_on_drop: false }`
[INFO] [stdout] 3bdb4680b34104488f37786b3c077c6fd08a8d879c0e3daba1b305d5d60b46a3
[INFO] running `Command { std: "docker" "start" "3bdb4680b34104488f37786b3c077c6fd08a8d879c0e3daba1b305d5d60b46a3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "3bdb4680b34104488f37786b3c077c6fd08a8d879c0e3daba1b305d5d60b46a3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-w" "/opt/rustwide/workdir" "--user" "0:0" "3bdb4680b34104488f37786b3c077c6fd08a8d879c0e3daba1b305d5d60b46a3" "/opt/rustwide/cargo-home/bin/cargo" "+1.98.0-beta.1" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "3bdb4680b34104488f37786b3c077c6fd08a8d879c0e3daba1b305d5d60b46a3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-w" "/opt/rustwide/workdir" "--user" "0:0" "3bdb4680b34104488f37786b3c077c6fd08a8d879c0e3daba1b305d5d60b46a3" "/opt/rustwide/cargo-home/bin/cargo" "+1.98.0-beta.1" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
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[INFO] [stderr]    Compiling statrs v0.16.0
[INFO] [stderr]    Compiling pleiades v0.0.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `x_label`
[INFO] [stdout]    --> src/linear_regression.rs:115:9
[INFO] [stdout]     |
[INFO] [stdout] 115 |         x_label: &str,
[INFO] [stdout]     |         ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_x_label`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `y_label`
[INFO] [stdout]    --> src/linear_regression.rs:116:9
[INFO] [stdout]     |
[INFO] [stdout] 116 |         y_label: &str,
[INFO] [stdout]     |         ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_y_label`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `i`
[INFO] [stdout]    --> src/linear_regression.rs:270:91
[INFO] [stdout]     |
[INFO] [stdout] 270 |                 self.confidence_intervals = Some(DMatrix::from_fn(2, coefficients.len(), |i, j| {
[INFO] [stdout]     |                                                                                           ^ help: if this is intentional, prefix it with an underscore: `_i`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `residuals_sum`
[INFO] [stdout]    --> src/linear_regression.rs:317:17
[INFO] [stdout]     |
[INFO] [stdout] 317 |             let residuals_sum: f64 = squared_residuals.clone().sum();
[INFO] [stdout]     |                 ^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_residuals_sum`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `coefficients`
[INFO] [stdout]    --> src/linear_regression.rs:335:21
[INFO] [stdout]     |
[INFO] [stdout] 335 |         if let Some(coefficients) = &self.coefficients {
[INFO] [stdout]     |                     ^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_coefficients`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `predictions` is never read
[INFO] [stdout]   --> src/linear_regression.rs:23:5
[INFO] [stdout]    |
[INFO] [stdout] 13 | pub(crate) struct LinearRegression {
[INFO] [stdout]    |                   ---------------- field in this struct
[INFO] [stdout] ...
[INFO] [stdout] 23 |     predictions: Option<DVector<f64>>,
[INFO] [stdout]    |     ^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `LinearRegression` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: methods `get_residuals`, `get_t_critical`, `get_confidence_level`, and `get_predictions` are never used
[INFO] [stdout]   --> src/linear_regression.rs:79:19
[INFO] [stdout]    |
[INFO] [stdout] 30 | impl LinearRegression {
[INFO] [stdout]    | --------------------- methods in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 79 |     pub(crate) fn get_residuals(&self) -> &DVector<f64> {
[INFO] [stdout]    |                   ^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 87 |     pub(crate) fn get_t_critical(&self) -> f64 {
[INFO] [stdout]    |                   ^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 91 |     pub(crate) fn get_confidence_level(&self) -> f64 {
[INFO] [stdout]    |                   ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 99 |     pub(crate) fn get_predictions(&self) -> &DVector<f64> {
[INFO] [stdout]    |                   ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `new` is never used
[INFO] [stdout]  --> src/datapoint.rs:8:12
[INFO] [stdout]   |
[INFO] [stdout] 7 | impl DataPoint{
[INFO] [stdout]   | -------------- associated function in this implementation
[INFO] [stdout] 8 |     pub fn new(x:f64, y:f64) ->Self{
[INFO] [stdout]   |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 1m 21s
[INFO] running `Command { std: "docker" "inspect" "3bdb4680b34104488f37786b3c077c6fd08a8d879c0e3daba1b305d5d60b46a3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-w" "/opt/rustwide/workdir" "--user" "0:0" "3bdb4680b34104488f37786b3c077c6fd08a8d879c0e3daba1b305d5d60b46a3" "/opt/rustwide/cargo-home/bin/cargo" "+1.98.0-beta.1" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr]    Compiling pleiades v0.0.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `x_label`
[INFO] [stdout]    --> src/linear_regression.rs:115:9
[INFO] [stdout]     |
[INFO] [stdout] 115 |         x_label: &str,
[INFO] [stdout]     |         ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_x_label`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `y_label`
[INFO] [stdout]    --> src/linear_regression.rs:116:9
[INFO] [stdout]     |
[INFO] [stdout] 116 |         y_label: &str,
[INFO] [stdout]     |         ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_y_label`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `i`
[INFO] [stdout]    --> src/linear_regression.rs:270:91
[INFO] [stdout]     |
[INFO] [stdout] 270 |                 self.confidence_intervals = Some(DMatrix::from_fn(2, coefficients.len(), |i, j| {
[INFO] [stdout]     |                                                                                           ^ help: if this is intentional, prefix it with an underscore: `_i`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `residuals_sum`
[INFO] [stdout]    --> src/linear_regression.rs:317:17
[INFO] [stdout]     |
[INFO] [stdout] 317 |             let residuals_sum: f64 = squared_residuals.clone().sum();
[INFO] [stdout]     |                 ^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_residuals_sum`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `coefficients`
[INFO] [stdout]    --> src/linear_regression.rs:335:21
[INFO] [stdout]     |
[INFO] [stdout] 335 |         if let Some(coefficients) = &self.coefficients {
[INFO] [stdout]     |                     ^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_coefficients`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `predictions` is never read
[INFO] [stdout]   --> src/linear_regression.rs:23:5
[INFO] [stdout]    |
[INFO] [stdout] 13 | pub(crate) struct LinearRegression {
[INFO] [stdout]    |                   ---------------- field in this struct
[INFO] [stdout] ...
[INFO] [stdout] 23 |     predictions: Option<DVector<f64>>,
[INFO] [stdout]    |     ^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `LinearRegression` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: methods `get_residuals`, `get_t_critical`, `get_confidence_level`, and `get_predictions` are never used
[INFO] [stdout]   --> src/linear_regression.rs:79:19
[INFO] [stdout]    |
[INFO] [stdout] 30 | impl LinearRegression {
[INFO] [stdout]    | --------------------- methods in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 79 |     pub(crate) fn get_residuals(&self) -> &DVector<f64> {
[INFO] [stdout]    |                   ^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 87 |     pub(crate) fn get_t_critical(&self) -> f64 {
[INFO] [stdout]    |                   ^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 91 |     pub(crate) fn get_confidence_level(&self) -> f64 {
[INFO] [stdout]    |                   ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 99 |     pub(crate) fn get_predictions(&self) -> &DVector<f64> {
[INFO] [stdout]    |                   ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `new` is never used
[INFO] [stdout]  --> src/datapoint.rs:8:12
[INFO] [stdout]   |
[INFO] [stdout] 7 | impl DataPoint{
[INFO] [stdout]   | -------------- associated function in this implementation
[INFO] [stdout] 8 |     pub fn new(x:f64, y:f64) ->Self{
[INFO] [stdout]   |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.75s
[INFO] running `Command { std: "docker" "inspect" "3bdb4680b34104488f37786b3c077c6fd08a8d879c0e3daba1b305d5d60b46a3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-w" "/opt/rustwide/workdir" "--user" "0:0" "3bdb4680b34104488f37786b3c077c6fd08a8d879c0e3daba1b305d5d60b46a3" "/opt/rustwide/cargo-home/bin/cargo" "+1.98.0-beta.1" "test" "--frozen", kill_on_drop: false }`
[INFO] [stderr] warning: unused variable: `x_label`
[INFO] [stderr]    --> src/linear_regression.rs:115:9
[INFO] [stderr]     |
[INFO] [stderr] 115 |         x_label: &str,
[INFO] [stderr]     |         ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_x_label`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `y_label`
[INFO] [stderr]    --> src/linear_regression.rs:116:9
[INFO] [stderr]     |
[INFO] [stderr] 116 |         y_label: &str,
[INFO] [stderr]     |         ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_y_label`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `i`
[INFO] [stderr]    --> src/linear_regression.rs:270:91
[INFO] [stderr]     |
[INFO] [stderr] 270 |                 self.confidence_intervals = Some(DMatrix::from_fn(2, coefficients.len(), |i, j| {
[INFO] [stderr]     |                                                                                           ^ help: if this is intentional, prefix it with an underscore: `_i`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `residuals_sum`
[INFO] [stderr]    --> src/linear_regression.rs:317:17
[INFO] [stderr]     |
[INFO] [stderr] 317 |             let residuals_sum: f64 = squared_residuals.clone().sum();
[INFO] [stderr]     |                 ^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_residuals_sum`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `coefficients`
[INFO] [stderr]    --> src/linear_regression.rs:335:21
[INFO] [stderr]     |
[INFO] [stderr] 335 |         if let Some(coefficients) = &self.coefficients {
[INFO] [stderr]     |                     ^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_coefficients`
[INFO] [stderr] 
[INFO] [stderr] warning: field `predictions` is never read
[INFO] [stderr]   --> src/linear_regression.rs:23:5
[INFO] [stderr]    |
[INFO] [stderr] 13 | pub(crate) struct LinearRegression {
[INFO] [stderr]    |                   ---------------- field in this struct
[INFO] [stderr] ...
[INFO] [stderr] 23 |     predictions: Option<DVector<f64>>,
[INFO] [stderr]    |     ^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `LinearRegression` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stderr]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: methods `get_residuals`, `get_t_critical`, `get_confidence_level`, and `get_predictions` are never used
[INFO] [stderr]   --> src/linear_regression.rs:79:19
[INFO] [stderr]    |
[INFO] [stderr] 30 | impl LinearRegression {
[INFO] [stderr]    | --------------------- methods in this implementation
[INFO] [stderr] ...
[INFO] [stderr] 79 |     pub(crate) fn get_residuals(&self) -> &DVector<f64> {
[INFO] [stderr]    |                   ^^^^^^^^^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 87 |     pub(crate) fn get_t_critical(&self) -> f64 {
[INFO] [stderr]    |                   ^^^^^^^^^^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 91 |     pub(crate) fn get_confidence_level(&self) -> f64 {
[INFO] [stderr]    |                   ^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 99 |     pub(crate) fn get_predictions(&self) -> &DVector<f64> {
[INFO] [stderr]    |                   ^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function `new` is never used
[INFO] [stderr]  --> src/datapoint.rs:8:12
[INFO] [stderr]   |
[INFO] [stderr] 7 | impl DataPoint{
[INFO] [stderr]   | -------------- associated function in this implementation
[INFO] [stderr] 8 |     pub fn new(x:f64, y:f64) ->Self{
[INFO] [stderr]   |            ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: `pleiades` (bin "pleiades" test) generated 8 warnings (run `cargo fix --bin "pleiades" -p pleiades --tests` to apply 5 suggestions)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.26s
[INFO] [stderr]      Running unittests src/main.rs (/opt/rustwide/target/debug/deps/pleiades-c85e57163a84e68c)
[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" "3bdb4680b34104488f37786b3c077c6fd08a8d879c0e3daba1b305d5d60b46a3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3bdb4680b34104488f37786b3c077c6fd08a8d879c0e3daba1b305d5d60b46a3", kill_on_drop: false }`
[INFO] [stdout] 3bdb4680b34104488f37786b3c077c6fd08a8d879c0e3daba1b305d5d60b46a3
