[INFO] cloning repository https://github.com/probaku1234/simple-regression
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/probaku1234/simple-regression" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fprobaku1234%2Fsimple-regression", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fprobaku1234%2Fsimple-regression'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] e8a37312957c47acc80a93f705c797a815e311b1
[INFO] checking probaku1234/simple-regression against master#7ad4e69ad585d8ff214f7b42d01f1959eda08f40 for pr-152543
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fprobaku1234%2Fsimple-regression" "/workspace/builds/worker-1-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-1-tc1/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/probaku1234/simple-regression
[INFO] finished tweaking git repo https://github.com/probaku1234/simple-regression
[INFO] tweaked toml for git repo https://github.com/probaku1234/simple-regression written to /workspace/builds/worker-1-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/probaku1234/simple-regression on toolchain 7ad4e69ad585d8ff214f7b42d01f1959eda08f40
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+7ad4e69ad585d8ff214f7b42d01f1959eda08f40" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/probaku1234/simple-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" "+7ad4e69ad585d8ff214f7b42d01f1959eda08f40" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
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[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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@sha256:61361fe0aef631f17e9d025a70c5a647956f8c671dd02950a60ad3f5cc5526d7" "/opt/rustwide/cargo-home/bin/cargo" "+7ad4e69ad585d8ff214f7b42d01f1959eda08f40" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
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[INFO] running `Command { std: "docker" "start" "-a" "737fad21e2e87761628aad7eb2e6bd4de5130f37dfe267b35ffed61dad617c21", kill_on_drop: false }`
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[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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@sha256:61361fe0aef631f17e9d025a70c5a647956f8c671dd02950a60ad3f5cc5526d7" "/opt/rustwide/cargo-home/bin/cargo" "+7ad4e69ad585d8ff214f7b42d01f1959eda08f40" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
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[INFO] [stderr]     Checking gpu-alloc-types v0.3.0
[INFO] [stderr]     Checking wgpu-types v25.0.0
[INFO] [stderr]     Checking gpu-alloc v0.6.0
[INFO] [stderr]     Checking gpu-descriptor v0.3.2
[INFO] [stderr]     Checking spin v0.10.0
[INFO] [stderr]     Checking cubecl-ir v0.5.0
[INFO] [stderr]     Checking burn-common v0.17.1
[INFO] [stderr]     Checking cubecl-core v0.5.0
[INFO] [stderr]     Checking cubecl-std v0.5.0
[INFO] [stderr]     Checking cubecl-reduce v0.5.0
[INFO] [stderr]     Checking cubecl-linalg v0.5.0
[INFO] [stderr]     Checking wgpu-core-deps-windows-linux-android v25.0.0
[INFO] [stderr]     Checking cubecl v0.5.0
[INFO] [stderr]     Checking burn-tensor v0.17.1
[INFO] [stderr]     Checking burn-ir v0.17.1
[INFO] [stderr]     Checking burn-autodiff v0.17.1
[INFO] [stderr]     Checking burn-core v0.17.1
[INFO] [stderr]     Checking burn-fusion v0.17.1
[INFO] [stderr]     Checking burn-cubecl-fusion v0.17.1
[INFO] [stderr]     Checking burn-cubecl v0.17.1
[INFO] [stderr]     Checking burn-wgpu v0.17.1
[INFO] [stderr]     Checking burn v0.17.1
[INFO] [stderr]     Checking simple-regression v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/model.rs:302:21
[INFO] [stdout]     |
[INFO] [stdout] 302 |                 let mut grads = [
[INFO] [stdout]     |                     ----^^^^^
[INFO] [stdout]     |                     |
[INFO] [stdout]     |                     help: remove this `mut`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_mut)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `Zeroes` is never constructed
[INFO] [stdout]  --> src/initializer.rs:7:5
[INFO] [stdout]   |
[INFO] [stdout] 6 | pub enum Initializer {
[INFO] [stdout]   |          ----------- variant in this enum
[INFO] [stdout] 7 |     Zeroes,
[INFO] [stdout]   |     ^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `Initializer` has a derived impl for the trait `Clone`, 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: fields `d_input` and `d_output` are never read
[INFO] [stdout]    --> src/model.rs:106:5
[INFO] [stdout]     |
[INFO] [stdout] 102 | pub struct SimpleRegressionModel<B: Backend> {
[INFO] [stdout]     |            --------------------- fields in this struct
[INFO] [stdout] ...
[INFO] [stdout] 106 |     d_input: usize,
[INFO] [stdout]     |     ^^^^^^^
[INFO] [stdout] 107 |     // Dimensionality of the output (1 for our single predicted value y)
[INFO] [stdout] 108 |     d_output: usize,
[INFO] [stdout]     |     ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/model.rs:302:21
[INFO] [stdout]     |
[INFO] [stdout] 302 |                 let mut grads = [
[INFO] [stdout]     |                     ----^^^^^
[INFO] [stdout]     |                     |
[INFO] [stdout]     |                     help: remove this `mut`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_mut)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `Zeroes` is never constructed
[INFO] [stdout]  --> src/initializer.rs:7:5
[INFO] [stdout]   |
[INFO] [stdout] 6 | pub enum Initializer {
[INFO] [stdout]   |          ----------- variant in this enum
[INFO] [stdout] 7 |     Zeroes,
[INFO] [stdout]   |     ^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `Initializer` has a derived impl for the trait `Clone`, 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: fields `d_input` and `d_output` are never read
[INFO] [stdout]    --> src/model.rs:106:5
[INFO] [stdout]     |
[INFO] [stdout] 102 | pub struct SimpleRegressionModel<B: Backend> {
[INFO] [stdout]     |            --------------------- fields in this struct
[INFO] [stdout] ...
[INFO] [stdout] 106 |     d_input: usize,
[INFO] [stdout]     |     ^^^^^^^
[INFO] [stdout] 107 |     // Dimensionality of the output (1 for our single predicted value y)
[INFO] [stdout] 108 |     d_output: usize,
[INFO] [stdout]     |     ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 1m 59s
[INFO] running `Command { std: "docker" "inspect" "bcaa4c57d3722ce1bb740c32c98bf57e185d3af71b69a062df19aad9b7a177d2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bcaa4c57d3722ce1bb740c32c98bf57e185d3af71b69a062df19aad9b7a177d2", kill_on_drop: false }`
[INFO] [stdout] bcaa4c57d3722ce1bb740c32c98bf57e185d3af71b69a062df19aad9b7a177d2