[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] b93ddda540428254710c07e76a1918241e4e498c
[INFO] checking probaku1234/simple-regression against master#377656d3dd3f9c23a9c8713e163f4365a5261a84 for pr-146470-4
[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 377656d3dd3f9c23a9c8713e163f4365a5261a84
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+377656d3dd3f9c23a9c8713e163f4365a5261a84" "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" "+377656d3dd3f9c23a9c8713e163f4365a5261a84" "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@sha256:845e597a41426bbf2703be69acdb67d10b6de511142d05cba7bbe119c898b2c7" "/opt/rustwide/cargo-home/bin/cargo" "+377656d3dd3f9c23a9c8713e163f4365a5261a84" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
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[INFO] running `Command { std: "docker" "start" "-a" "b4514cc4c9fd6dd86ef984127067dbeeb1877c5425677610a80550e86515f5da", 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@sha256:845e597a41426bbf2703be69acdb67d10b6de511142d05cba7bbe119c898b2c7" "/opt/rustwide/cargo-home/bin/cargo" "+377656d3dd3f9c23a9c8713e163f4365a5261a84" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
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[INFO] running `Command { std: "docker" "start" "-a" "d5f3bc55f8dbd505bf09644a08e135895d0ce9421ebe657b40f40453fd0a218b", kill_on_drop: false }`
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[INFO] [stdout] warning: unnecessary parentheses around type
[INFO] [stdout]    --> src/model.rs:132:10
[INFO] [stdout]     |
[INFO] [stdout] 132 |     ) -> (Vec<(Tensor<B, 2>, Tensor<B, 1>)>) {
[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] 132 -     ) -> (Vec<(Tensor<B, 2>, Tensor<B, 1>)>) {
[INFO] [stdout] 132 +     ) -> Vec<(Tensor<B, 2>, Tensor<B, 1>)>  {
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around type
[INFO] [stdout]    --> src/model.rs:132:10
[INFO] [stdout]     |
[INFO] [stdout] 132 |     ) -> (Vec<(Tensor<B, 2>, Tensor<B, 1>)>) {
[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] 132 -     ) -> (Vec<(Tensor<B, 2>, Tensor<B, 1>)>) {
[INFO] [stdout] 132 +     ) -> Vec<(Tensor<B, 2>, Tensor<B, 1>)>  {
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/model.rs:193:13
[INFO] [stdout]     |
[INFO] [stdout] 193 |         let mut iteration: usize = 1;
[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:87:5
[INFO] [stdout]    |
[INFO] [stdout] 83 | pub struct SimpleRegressionModel<B: Backend> {
[INFO] [stdout]    |            --------------------- fields in this struct
[INFO] [stdout] ...
[INFO] [stdout] 87 |     d_input: usize,
[INFO] [stdout]    |     ^^^^^^^
[INFO] [stdout] 88 |     // Dimensionality of the output (1 for our single predicted value y)
[INFO] [stdout] 89 |     d_output: usize,
[INFO] [stdout]    |     ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `backward` is never used
[INFO] [stdout]  --> src/activation.rs:5:8
[INFO] [stdout]   |
[INFO] [stdout] 3 | pub trait Activation<const D: usize, B: Backend> {
[INFO] [stdout]   |           ---------- associated function in this trait
[INFO] [stdout] 4 |     fn forward(tensor: Tensor<B, D>) -> Tensor<B, D>;
[INFO] [stdout] 5 |     fn backward(grad_output: Tensor<B, D>, input: Tensor<B, D>) -> Tensor<B, D>;
[INFO] [stdout]   |        ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/model.rs:193:13
[INFO] [stdout]     |
[INFO] [stdout] 193 |         let mut iteration: usize = 1;
[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:87:5
[INFO] [stdout]    |
[INFO] [stdout] 83 | pub struct SimpleRegressionModel<B: Backend> {
[INFO] [stdout]    |            --------------------- fields in this struct
[INFO] [stdout] ...
[INFO] [stdout] 87 |     d_input: usize,
[INFO] [stdout]    |     ^^^^^^^
[INFO] [stdout] 88 |     // Dimensionality of the output (1 for our single predicted value y)
[INFO] [stdout] 89 |     d_output: usize,
[INFO] [stdout]    |     ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `backward` is never used
[INFO] [stdout]  --> src/activation.rs:5:8
[INFO] [stdout]   |
[INFO] [stdout] 3 | pub trait Activation<const D: usize, B: Backend> {
[INFO] [stdout]   |           ---------- associated function in this trait
[INFO] [stdout] 4 |     fn forward(tensor: Tensor<B, D>) -> Tensor<B, D>;
[INFO] [stdout] 5 |     fn backward(grad_output: Tensor<B, D>, input: Tensor<B, D>) -> Tensor<B, D>;
[INFO] [stdout]   |        ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 1m 18s
[INFO] running `Command { std: "docker" "inspect" "d5f3bc55f8dbd505bf09644a08e135895d0ce9421ebe657b40f40453fd0a218b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d5f3bc55f8dbd505bf09644a08e135895d0ce9421ebe657b40f40453fd0a218b", kill_on_drop: false }`
[INFO] [stdout] d5f3bc55f8dbd505bf09644a08e135895d0ce9421ebe657b40f40453fd0a218b
