[INFO] cloning repository https://github.com/AliothCancer/simple_nn
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/AliothCancer/simple_nn" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FAliothCancer%2Fsimple_nn", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FAliothCancer%2Fsimple_nn'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 45588b9ab81ecf072c3f7e02ccca29472e15f8c8
[INFO] checking AliothCancer/simple_nn against master#32cd9114712a24010b0583624dc52ac302194128 for pr-143717
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FAliothCancer%2Fsimple_nn" "/workspace/builds/worker-0-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-0-tc1/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/AliothCancer/simple_nn
[INFO] finished tweaking git repo https://github.com/AliothCancer/simple_nn
[INFO] tweaked toml for git repo https://github.com/AliothCancer/simple_nn written to /workspace/builds/worker-0-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/AliothCancer/simple_nn on toolchain 32cd9114712a24010b0583624dc52ac302194128
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+32cd9114712a24010b0583624dc52ac302194128" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/AliothCancer/simple_nn 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" "+32cd9114712a24010b0583624dc52ac302194128" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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@sha256:90999bfc7ae267e83380e433d8e61a7c072ca6729e92edbae886d3423b3a6f4c" "/opt/rustwide/cargo-home/bin/cargo" "+32cd9114712a24010b0583624dc52ac302194128" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 57d7e03130d1318ae28569d256c9734435bf349633b492e3a1a0d5e625e22c2a
[INFO] running `Command { std: "docker" "start" "-a" "57d7e03130d1318ae28569d256c9734435bf349633b492e3a1a0d5e625e22c2a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "57d7e03130d1318ae28569d256c9734435bf349633b492e3a1a0d5e625e22c2a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "57d7e03130d1318ae28569d256c9734435bf349633b492e3a1a0d5e625e22c2a", kill_on_drop: false }`
[INFO] [stdout] 57d7e03130d1318ae28569d256c9734435bf349633b492e3a1a0d5e625e22c2a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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@sha256:90999bfc7ae267e83380e433d8e61a7c072ca6729e92edbae886d3423b3a6f4c" "/opt/rustwide/cargo-home/bin/cargo" "+32cd9114712a24010b0583624dc52ac302194128" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 4c2176613e60050a9e27273345f1e9f85486ae5292031b32cb1750555ad6ceec
[INFO] running `Command { std: "docker" "start" "-a" "4c2176613e60050a9e27273345f1e9f85486ae5292031b32cb1750555ad6ceec", kill_on_drop: false }`
[INFO] [stderr]     Checking itertools v0.13.0
[INFO] [stderr]     Checking simple_nn v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: method `calculate_mse` is never used
[INFO] [stdout]   --> src/linear_regression.rs:69:8
[INFO] [stdout]    |
[INFO] [stdout] 62 | impl LinearRegression {
[INFO] [stdout]    | --------------------- method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 69 |     fn calculate_mse(&self) -> f64 {
[INFO] [stdout]    |        ^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `calculate_mse` is never used
[INFO] [stdout]   --> src/linear_regression.rs:69:8
[INFO] [stdout]    |
[INFO] [stdout] 62 | impl LinearRegression {
[INFO] [stdout]    | --------------------- method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 69 |     fn calculate_mse(&self) -> f64 {
[INFO] [stdout]    |        ^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 1.75s
[INFO] running `Command { std: "docker" "inspect" "4c2176613e60050a9e27273345f1e9f85486ae5292031b32cb1750555ad6ceec", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4c2176613e60050a9e27273345f1e9f85486ae5292031b32cb1750555ad6ceec", kill_on_drop: false }`
[INFO] [stdout] 4c2176613e60050a9e27273345f1e9f85486ae5292031b32cb1750555ad6ceec
