[INFO] cloning repository https://github.com/Arekebyu/linear_regression
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/Arekebyu/linear_regression" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FArekebyu%2Flinear_regression", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FArekebyu%2Flinear_regression'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] b4b104f18ff9e9c0f50e2c286b39b167ad6770b5
[INFO] checking Arekebyu/linear_regression against master#3129d37ef7075ee3cbaa3d6cbe1b5794f67192b0 for pr-143164
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FArekebyu%2Flinear_regression" "/workspace/builds/worker-0-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-0-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/Arekebyu/linear_regression
[INFO] finished tweaking git repo https://github.com/Arekebyu/linear_regression
[INFO] tweaked toml for git repo https://github.com/Arekebyu/linear_regression written to /workspace/builds/worker-0-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/Arekebyu/linear_regression on toolchain 3129d37ef7075ee3cbaa3d6cbe1b5794f67192b0
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+3129d37ef7075ee3cbaa3d6cbe1b5794f67192b0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/Arekebyu/linear_regression 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" "+3129d37ef7075ee3cbaa3d6cbe1b5794f67192b0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/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:cf8efcab8866f2cf4285301c7418e2f4f2a9b088c91ba69c40d5b659f81557f7" "/opt/rustwide/cargo-home/bin/cargo" "+3129d37ef7075ee3cbaa3d6cbe1b5794f67192b0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 84a876770d9fbcc6cc9b3f72100cad9f363a36a542fb028801ad14626abe0aa6
[INFO] running `Command { std: "docker" "start" "-a" "84a876770d9fbcc6cc9b3f72100cad9f363a36a542fb028801ad14626abe0aa6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "84a876770d9fbcc6cc9b3f72100cad9f363a36a542fb028801ad14626abe0aa6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "84a876770d9fbcc6cc9b3f72100cad9f363a36a542fb028801ad14626abe0aa6", kill_on_drop: false }`
[INFO] [stdout] 84a876770d9fbcc6cc9b3f72100cad9f363a36a542fb028801ad14626abe0aa6
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/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" "RUSTDOCFLAGS=--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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:cf8efcab8866f2cf4285301c7418e2f4f2a9b088c91ba69c40d5b659f81557f7" "/opt/rustwide/cargo-home/bin/cargo" "+3129d37ef7075ee3cbaa3d6cbe1b5794f67192b0" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 499e7a66150502a61440e392d14f2a61772d720444a18f9a9254fd73a88efaf6
[INFO] running `Command { std: "docker" "start" "-a" "499e7a66150502a61440e392d14f2a61772d720444a18f9a9254fd73a88efaf6", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.93
[INFO] [stderr]    Compiling unicode-ident v1.0.17
[INFO] [stderr]    Compiling libc v0.2.169
[INFO] [stderr]    Compiling quote v1.0.38
[INFO] [stderr]    Compiling syn v2.0.98
[INFO] [stderr]     Checking getrandom v0.2.15
[INFO] [stderr]     Checking rand_core v0.6.4
[INFO] [stderr]    Compiling zerocopy-derive v0.7.35
[INFO] [stderr]     Checking zerocopy v0.7.35
[INFO] [stderr]     Checking ppv-lite86 v0.2.20
[INFO] [stderr]     Checking rand_chacha v0.3.1
[INFO] [stderr]     Checking rand v0.8.5
[INFO] [stderr]     Checking linear_regression v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unreachable statement
[INFO] [stdout]  --> src/linear_regression.rs:9:5
[INFO] [stdout]   |
[INFO] [stdout] 8 |     return vec!{(0,4)};
[INFO] [stdout]   |     ------------------ any code following this expression is unreachable
[INFO] [stdout] 9 |     let mut partitions: Vec<(usize, usize)> = Vec::new();
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ unreachable statement
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unreachable_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unreachable statement
[INFO] [stdout]  --> src/linear_regression.rs:9:5
[INFO] [stdout]   |
[INFO] [stdout] 8 |     return vec!{(0,4)};
[INFO] [stdout]   |     ------------------ any code following this expression is unreachable
[INFO] [stdout] 9 |     let mut partitions: Vec<(usize, usize)> = Vec::new();
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ unreachable statement
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unreachable_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `data`
[INFO] [stdout]  --> src/linear_regression.rs:7:23
[INFO] [stdout]   |
[INFO] [stdout] 7 | fn divide_partitions (data: &Vec<(f64,f64)>, max_size: &i32) -> Vec<(usize, usize)> {
[INFO] [stdout]   |                       ^^^^ help: if this is intentional, prefix it with an underscore: `_data`
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `max_size`
[INFO] [stdout]  --> src/linear_regression.rs:7:46
[INFO] [stdout]   |
[INFO] [stdout] 7 | fn divide_partitions (data: &Vec<(f64,f64)>, max_size: &i32) -> Vec<(usize, usize)> {
[INFO] [stdout]   |                                              ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_max_size`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `data`
[INFO] [stdout]  --> src/linear_regression.rs:7:23
[INFO] [stdout]   |
[INFO] [stdout] 7 | fn divide_partitions (data: &Vec<(f64,f64)>, max_size: &i32) -> Vec<(usize, usize)> {
[INFO] [stdout]   |                       ^^^^ help: if this is intentional, prefix it with an underscore: `_data`
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `max_size`
[INFO] [stdout]  --> src/linear_regression.rs:7:46
[INFO] [stdout]   |
[INFO] [stdout] 7 | fn divide_partitions (data: &Vec<(f64,f64)>, max_size: &i32) -> Vec<(usize, usize)> {
[INFO] [stdout]   |                                              ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_max_size`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 7.63s
[INFO] running `Command { std: "docker" "inspect" "499e7a66150502a61440e392d14f2a61772d720444a18f9a9254fd73a88efaf6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "499e7a66150502a61440e392d14f2a61772d720444a18f9a9254fd73a88efaf6", kill_on_drop: false }`
[INFO] [stdout] 499e7a66150502a61440e392d14f2a61772d720444a18f9a9254fd73a88efaf6
