[INFO] cloning repository https://github.com/UIT-21521549/esay_knn_with_Rust
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/UIT-21521549/esay_knn_with_Rust" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FUIT-21521549%2Fesay_knn_with_Rust", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FUIT-21521549%2Fesay_knn_with_Rust'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 2535970e99adbff64e9ecddcf2a6c1479b50a6ab
[INFO] checking UIT-21521549/esay_knn_with_Rust against master#fe348cd1a8e0fa445b772393147ed865904dcd4d for pr-139587-2
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FUIT-21521549%2Fesay_knn_with_Rust" "/workspace/builds/worker-3-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-3-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/UIT-21521549/esay_knn_with_Rust on toolchain fe348cd1a8e0fa445b772393147ed865904dcd4d
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+fe348cd1a8e0fa445b772393147ed865904dcd4d" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/UIT-21521549/esay_knn_with_Rust
[INFO] finished tweaking git repo https://github.com/UIT-21521549/esay_knn_with_Rust
[INFO] tweaked toml for git repo https://github.com/UIT-21521549/esay_knn_with_Rust written to /workspace/builds/worker-3-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/UIT-21521549/esay_knn_with_Rust 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" "+fe348cd1a8e0fa445b772393147ed865904dcd4d" "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] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded ryu v1.0.17
[INFO] [stderr]   Downloaded serde v1.0.197
[INFO] [stderr]   Downloaded quote v1.0.35
[INFO] [stderr]   Downloaded proc-macro2 v1.0.78
[INFO] [stderr]   Downloaded serde_derive v1.0.197
[INFO] [stderr]   Downloaded syn v2.0.50
[INFO] [stderr]   Downloaded csv v1.3.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/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:b0b074c097205a61b89e8ad263052f976b2b332c4dc5f02aef1fe52501660d6e" "/opt/rustwide/cargo-home/bin/cargo" "+fe348cd1a8e0fa445b772393147ed865904dcd4d" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 301573464e881a62232670d545e73236eb10e238865ca6c8a5bac2f041c2b74d
[INFO] running `Command { std: "docker" "start" "-a" "301573464e881a62232670d545e73236eb10e238865ca6c8a5bac2f041c2b74d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "301573464e881a62232670d545e73236eb10e238865ca6c8a5bac2f041c2b74d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "301573464e881a62232670d545e73236eb10e238865ca6c8a5bac2f041c2b74d", kill_on_drop: false }`
[INFO] [stdout] 301573464e881a62232670d545e73236eb10e238865ca6c8a5bac2f041c2b74d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/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:b0b074c097205a61b89e8ad263052f976b2b332c4dc5f02aef1fe52501660d6e" "/opt/rustwide/cargo-home/bin/cargo" "+fe348cd1a8e0fa445b772393147ed865904dcd4d" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 5df5854a83a64291e2cba0a8ca82dcec789aa1679ef8f418f80565b32b6ac3bd
[INFO] running `Command { std: "docker" "start" "-a" "5df5854a83a64291e2cba0a8ca82dcec789aa1679ef8f418f80565b32b6ac3bd", kill_on_drop: false }`
[INFO] [stderr]    Compiling serde v1.0.197
[INFO] [stderr]     Checking memchr v2.7.1
[INFO] [stderr]     Checking ryu v1.0.17
[INFO] [stderr]     Checking csv-core v0.1.11
[INFO] [stderr]     Checking csv v1.3.0
[INFO] [stderr]     Checking k-neigbor v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: variable `X` should have a snake case name
[INFO] [stdout]   --> src/main.rs:12:13
[INFO] [stdout]    |
[INFO] [stdout] 12 |     let mut X: Vec<Vec<f32>> = Vec::new();
[INFO] [stdout]    |             ^ help: convert the identifier to snake case (notice the capitalization): `x`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(non_snake_case)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `X` should have a snake case name
[INFO] [stdout]   --> src/main.rs:12:13
[INFO] [stdout]    |
[INFO] [stdout] 12 |     let mut X: Vec<Vec<f32>> = Vec::new();
[INFO] [stdout]    |             ^ help: convert the identifier to snake case (notice the capitalization): `x`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(non_snake_case)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `X` should have a snake case name
[INFO] [stdout]   --> src/main.rs:53:17
[INFO] [stdout]    |
[INFO] [stdout] 53 |             let X: Vec<Vec<f32>> = data[0..(len - 1)].iter().map(|v| v.clone()).collect();
[INFO] [stdout]    |                 ^ help: convert the identifier to snake case (notice the capitalization): `x`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `Y` should have a snake case name
[INFO] [stdout]   --> src/main.rs:54:17
[INFO] [stdout]    |
[INFO] [stdout] 54 |             let Y: Vec<i32> = data[len - 1].iter().map(|v| *v as i32).collect();
[INFO] [stdout]    |                 ^ help: convert the identifier to snake case (notice the capitalization): `y`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `X` should have a snake case name
[INFO] [stdout]   --> src/main.rs:53:17
[INFO] [stdout]    |
[INFO] [stdout] 53 |             let X: Vec<Vec<f32>> = data[0..(len - 1)].iter().map(|v| v.clone()).collect();
[INFO] [stdout]    |                 ^ help: convert the identifier to snake case (notice the capitalization): `x`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `X` should have a snake case name
[INFO] [stdout]   --> src/knn.rs:31:17
[INFO] [stdout]    |
[INFO] [stdout] 31 |     pub fn init(X: Vec<Vec<f32>>, y: Vec<i32>) -> Model {
[INFO] [stdout]    |                 ^ help: convert the identifier to snake case (notice the capitalization): `x`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `Y` should have a snake case name
[INFO] [stdout]   --> src/main.rs:54:17
[INFO] [stdout]    |
[INFO] [stdout] 54 |             let Y: Vec<i32> = data[len - 1].iter().map(|v| *v as i32).collect();
[INFO] [stdout]    |                 ^ help: convert the identifier to snake case (notice the capitalization): `y`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `X` should have a snake case name
[INFO] [stdout]   --> src/knn.rs:31:17
[INFO] [stdout]    |
[INFO] [stdout] 31 |     pub fn init(X: Vec<Vec<f32>>, y: Vec<i32>) -> Model {
[INFO] [stdout]    |                 ^ help: convert the identifier to snake case (notice the capitalization): `x`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 1.85s
[INFO] running `Command { std: "docker" "inspect" "5df5854a83a64291e2cba0a8ca82dcec789aa1679ef8f418f80565b32b6ac3bd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5df5854a83a64291e2cba0a8ca82dcec789aa1679ef8f418f80565b32b6ac3bd", kill_on_drop: false }`
[INFO] [stdout] 5df5854a83a64291e2cba0a8ca82dcec789aa1679ef8f418f80565b32b6ac3bd