[INFO] cloning repository https://github.com/HarshitMakwana/Rust_machine_learning [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/HarshitMakwana/Rust_machine_learning" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FHarshitMakwana%2FRust_machine_learning", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FHarshitMakwana%2FRust_machine_learning'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 5803404ee87c4087c6ed41c0312a17bc0f963db9 [INFO] checking HarshitMakwana/Rust_machine_learning against f99a7560a6b5f0a5e6894aea7e8afe0e01d3edd1 for pr-160235-1 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FHarshitMakwana%2FRust_machine_learning" "/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/HarshitMakwana/Rust_machine_learning [INFO] finished tweaking git repo https://github.com/HarshitMakwana/Rust_machine_learning [INFO] tweaked toml for git repo https://github.com/HarshitMakwana/Rust_machine_learning written to /workspace/builds/worker-4-tc2/source/Cargo.toml [INFO] validating manifest of git repo https://github.com/HarshitMakwana/Rust_machine_learning on toolchain f99a7560a6b5f0a5e6894aea7e8afe0e01d3edd1 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+f99a7560a6b5f0a5e6894aea7e8afe0e01d3edd1" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] crate git repo https://github.com/HarshitMakwana/Rust_machine_learning 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" "+f99a7560a6b5f0a5e6894aea7e8afe0e01d3edd1" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] warning: binary `linear_regression_baremetal` should have a kebab-case name [INFO] [stderr] | [INFO] [stderr] 1 | /workspace/builds/worker-4-tc2/source/target/.../linear_regression_baremetal [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `cargo::non_kebab_case_bins` is set to `warn` by default [INFO] [stderr] help: to change the binary name to `linear-regression-baremetal`, convert `package.name` [INFO] [stderr] --> Cargo.toml:6:8 [INFO] [stderr] | [INFO] [stderr] 6 - name = "linear_regression_baremetal" [INFO] [stderr] 6 + name = "linear-regression-baremetal" [INFO] [stderr] | [INFO] [stderr] help: to change the binary name to `linear-regression-baremetal`, specify `bin.name` [INFO] [stderr] --> Cargo.toml:7:19 [INFO] [stderr] | [INFO] [stderr] 7 ~ version = "0.1.0" [INFO] [stderr] 8 + [[bin]] [INFO] [stderr] 9 + name = "linear-regression-baremetal" [INFO] [stderr] 10 + path = "src/main.rs" [INFO] [stderr] | [INFO] [stderr] warning: `linear_regression_baremetal` (manifest) generated 1 warning [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@sha256:8683fc1fc2eb5c9ac98e0d076ab094b2ffac7f99da555d2b6a2e27f346de2ec7" "sleep" "infinity", kill_on_drop: false }` [INFO] [stdout] 66b912814e1f5befd6e77234831b61788e66564ddfcde4fe41395840a72ec9cd [INFO] running `Command { std: "docker" "start" "66b912814e1f5befd6e77234831b61788e66564ddfcde4fe41395840a72ec9cd", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "66b912814e1f5befd6e77234831b61788e66564ddfcde4fe41395840a72ec9cd", 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" "66b912814e1f5befd6e77234831b61788e66564ddfcde4fe41395840a72ec9cd" "/opt/rustwide/cargo-home/bin/cargo" "+f99a7560a6b5f0a5e6894aea7e8afe0e01d3edd1" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "66b912814e1f5befd6e77234831b61788e66564ddfcde4fe41395840a72ec9cd", 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=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-w" "/opt/rustwide/workdir" "--user" "0:0" "66b912814e1f5befd6e77234831b61788e66564ddfcde4fe41395840a72ec9cd" "/opt/rustwide/cargo-home/bin/cargo" "+f99a7560a6b5f0a5e6894aea7e8afe0e01d3edd1" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stderr] warning: binary `linear_regression_baremetal` should have a kebab-case name [INFO] [stderr] | [INFO] [stderr] 1 | /opt/rustwide/target/.../linear_regression_baremetal [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `cargo::non_kebab_case_bins` is set to `warn` by default [INFO] [stderr] help: to change the binary name to `linear-regression-baremetal`, convert `package.name` [INFO] [stderr] --> Cargo.toml:6:8 [INFO] [stderr] | [INFO] [stderr] 6 - name = "linear_regression_baremetal" [INFO] [stderr] 6 + name = "linear-regression-baremetal" [INFO] [stderr] | [INFO] [stderr] help: to change the binary name to `linear-regression-baremetal`, specify `bin.name` [INFO] [stderr] --> Cargo.toml:7:19 [INFO] [stderr] | [INFO] [stderr] 7 ~ version = "0.1.0" [INFO] [stderr] 8 + [[bin]] [INFO] [stderr] 9 + name = "linear-regression-baremetal" [INFO] [stderr] 10 + path = "src/main.rs" [INFO] [stderr] | [INFO] [stderr] warning: `linear_regression_baremetal` (manifest) generated 1 warning [INFO] [stderr] Checking linear_regression_baremetal v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unnecessary parentheses around closure body [INFO] [stdout] --> src/linear_regression.rs:75:27 [INFO] [stdout] | [INFO] [stdout] 75 | x.iter().map(|xi| ((xi * slope) + intercept)).collect() [INFO] [stdout] | ^ ^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_parens)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] help: remove these parentheses [INFO] [stdout] | [INFO] [stdout] 75 - x.iter().map(|xi| ((xi * slope) + intercept)).collect() [INFO] [stdout] 75 + x.iter().map(|xi| (xi * slope) + intercept).collect() [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unnecessary parentheses around closure body [INFO] [stdout] --> src/linear_regression.rs:94:29 [INFO] [stdout] | [INFO] [stdout] 94 | .map(|(yt, yp)| ((yt - yp).powi(2))) [INFO] [stdout] | ^ ^ [INFO] [stdout] | [INFO] [stdout] help: remove these parentheses [INFO] [stdout] | [INFO] [stdout] 94 - .map(|(yt, yp)| ((yt - yp).powi(2))) [INFO] [stdout] 94 + .map(|(yt, yp)| (yt - yp).powi(2)) [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unnecessary parentheses around closure body [INFO] [stdout] --> src/linear_regression.rs:75:27 [INFO] [stdout] | [INFO] [stdout] 75 | x.iter().map(|xi| ((xi * slope) + intercept)).collect() [INFO] [stdout] | ^ ^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_parens)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] help: remove these parentheses [INFO] [stdout] | [INFO] [stdout] 75 - x.iter().map(|xi| ((xi * slope) + intercept)).collect() [INFO] [stdout] 75 + x.iter().map(|xi| (xi * slope) + intercept).collect() [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unnecessary parentheses around closure body [INFO] [stdout] --> src/linear_regression.rs:94:29 [INFO] [stdout] | [INFO] [stdout] 94 | .map(|(yt, yp)| ((yt - yp).powi(2))) [INFO] [stdout] | ^ ^ [INFO] [stdout] | [INFO] [stdout] help: remove these parentheses [INFO] [stdout] | [INFO] [stdout] 94 - .map(|(yt, yp)| ((yt - yp).powi(2))) [INFO] [stdout] 94 + .map(|(yt, yp)| (yt - yp).powi(2)) [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: struct `MultipleLinearRegression` is never constructed [INFO] [stdout] --> src/linear_regression.rs:102:12 [INFO] [stdout] | [INFO] [stdout] 102 | pub struct MultipleLinearRegression; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated functions `transpose`, `matrix_multiplication`, `invert_matrix`, `train`, and `predict` are never used [INFO] [stdout] --> src/linear_regression.rs:105:12 [INFO] [stdout] | [INFO] [stdout] 104 | impl MultipleLinearRegression{ [INFO] [stdout] | ----------------------------- associated functions in this implementation [INFO] [stdout] 105 | pub fn transpose() { [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 108 | pub fn matrix_multiplication(){ [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 111 | pub fn invert_matrix(){ [INFO] [stdout] | ^^^^^^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 114 | pub fn train(){ [INFO] [stdout] | ^^^^^ [INFO] [stdout] ... [INFO] [stdout] 117 | pub fn predict(){ [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: struct `MultipleLinearRegression` is never constructed [INFO] [stdout] --> src/linear_regression.rs:102:12 [INFO] [stdout] | [INFO] [stdout] 102 | pub struct MultipleLinearRegression; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated functions `transpose`, `matrix_multiplication`, `invert_matrix`, `train`, and `predict` are never used [INFO] [stdout] --> src/linear_regression.rs:105:12 [INFO] [stdout] | [INFO] [stdout] 104 | impl MultipleLinearRegression{ [INFO] [stdout] | ----------------------------- associated functions in this implementation [INFO] [stdout] 105 | pub fn transpose() { [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 108 | pub fn matrix_multiplication(){ [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 111 | pub fn invert_matrix(){ [INFO] [stdout] | ^^^^^^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 114 | pub fn train(){ [INFO] [stdout] | ^^^^^ [INFO] [stdout] ... [INFO] [stdout] 117 | pub fn predict(){ [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.32s [INFO] running `Command { std: "docker" "inspect" "66b912814e1f5befd6e77234831b61788e66564ddfcde4fe41395840a72ec9cd", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "66b912814e1f5befd6e77234831b61788e66564ddfcde4fe41395840a72ec9cd", kill_on_drop: false }` [INFO] [stdout] 66b912814e1f5befd6e77234831b61788e66564ddfcde4fe41395840a72ec9cd