[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] f6f5dfa677795d5404be3402ecfeb8a1efd2046a
[INFO] checking probaku1234/simple-regression against master#377656d3dd3f9c23a9c8713e163f4365a5261a84 for pr-146470-3
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fprobaku1234%2Fsimple-regression" "/workspace/builds/worker-6-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-6-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-6-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-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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 }`
[INFO] [stdout] b0b9c9ba92475163e62c04135df7f28b525f44c5d2429afc6a1d32303dd69d24
[INFO] running `Command { std: "docker" "start" "-a" "b0b9c9ba92475163e62c04135df7f28b525f44c5d2429afc6a1d32303dd69d24", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "b0b9c9ba92475163e62c04135df7f28b525f44c5d2429afc6a1d32303dd69d24", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b0b9c9ba92475163e62c04135df7f28b525f44c5d2429afc6a1d32303dd69d24", kill_on_drop: false }`
[INFO] [stdout] b0b9c9ba92475163e62c04135df7f28b525f44c5d2429afc6a1d32303dd69d24
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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 }`
[INFO] [stdout] d44dbe09622f8ef42791ad4a36b5ce7afd756d899f16e2b64cf2da4aabfb382c
[INFO] running `Command { std: "docker" "start" "-a" "d44dbe09622f8ef42791ad4a36b5ce7afd756d899f16e2b64cf2da4aabfb382c", kill_on_drop: false }`
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[INFO] [stdout] warning: unnecessary parentheses around type
[INFO] [stdout]    --> src/model.rs:112:10
[INFO] [stdout]     |
[INFO] [stdout] 112 |     ) -> (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] 112 -     ) -> (Vec<(Tensor<B, 2>, Tensor<B, 1>)>) {
[INFO] [stdout] 112 +     ) -> 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:112:10
[INFO] [stdout]     |
[INFO] [stdout] 112 |     ) -> (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] 112 -     ) -> (Vec<(Tensor<B, 2>, Tensor<B, 1>)>) {
[INFO] [stdout] 112 +     ) -> Vec<(Tensor<B, 2>, Tensor<B, 1>)>  {
[INFO] [stdout]     |
[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 `weight` and `bias` are never read
[INFO] [stdout]   --> src/model.rs:45:5
[INFO] [stdout]    |
[INFO] [stdout] 43 | pub struct Layer<B: Backend> {
[INFO] [stdout]    |            ----- fields in this struct
[INFO] [stdout] 44 |     /// The weight parameter of the layer, represented as a 2-dimensional tensor.
[INFO] [stdout] 45 |     weight: Param<Tensor<B, 2>>,
[INFO] [stdout]    |     ^^^^^^
[INFO] [stdout] 46 |     /// The bias parameter of the layer, represented as a 1-dimensional tensor.
[INFO] [stdout] 47 |     bias: Param<Tensor<B, 1>>,
[INFO] [stdout]    |     ^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Layer` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `d_input`, `d_output`, `input_layer`, and `output_layer` are never read
[INFO] [stdout]   --> src/model.rs:67:5
[INFO] [stdout]    |
[INFO] [stdout] 63 | pub struct SimpleRegressionModel<B: Backend> {
[INFO] [stdout]    |            --------------------- fields in this struct
[INFO] [stdout] ...
[INFO] [stdout] 67 |     d_input: usize,
[INFO] [stdout]    |     ^^^^^^^
[INFO] [stdout] 68 |     // Dimensionality of the output (1 for our single predicted value y)
[INFO] [stdout] 69 |     d_output: usize,
[INFO] [stdout]    |     ^^^^^^^^
[INFO] [stdout] 70 |     // The Input -> Hidden layer connection (H neurons)
[INFO] [stdout] 71 |     input_layer: Layer<B>,
[INFO] [stdout]    |     ^^^^^^^^^^^
[INFO] [stdout] 72 |     // The Hidden -> Output layer connection (1 neuron)
[INFO] [stdout] 73 |     output_layer: Layer<B>,
[INFO] [stdout]    |     ^^^^^^^^^^^^
[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 `weight` and `bias` are never read
[INFO] [stdout]   --> src/model.rs:45:5
[INFO] [stdout]    |
[INFO] [stdout] 43 | pub struct Layer<B: Backend> {
[INFO] [stdout]    |            ----- fields in this struct
[INFO] [stdout] 44 |     /// The weight parameter of the layer, represented as a 2-dimensional tensor.
[INFO] [stdout] 45 |     weight: Param<Tensor<B, 2>>,
[INFO] [stdout]    |     ^^^^^^
[INFO] [stdout] 46 |     /// The bias parameter of the layer, represented as a 1-dimensional tensor.
[INFO] [stdout] 47 |     bias: Param<Tensor<B, 1>>,
[INFO] [stdout]    |     ^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Layer` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `d_input`, `d_output`, `input_layer`, and `output_layer` are never read
[INFO] [stdout]   --> src/model.rs:67:5
[INFO] [stdout]    |
[INFO] [stdout] 63 | pub struct SimpleRegressionModel<B: Backend> {
[INFO] [stdout]    |            --------------------- fields in this struct
[INFO] [stdout] ...
[INFO] [stdout] 67 |     d_input: usize,
[INFO] [stdout]    |     ^^^^^^^
[INFO] [stdout] 68 |     // Dimensionality of the output (1 for our single predicted value y)
[INFO] [stdout] 69 |     d_output: usize,
[INFO] [stdout]    |     ^^^^^^^^
[INFO] [stdout] 70 |     // The Input -> Hidden layer connection (H neurons)
[INFO] [stdout] 71 |     input_layer: Layer<B>,
[INFO] [stdout]    |     ^^^^^^^^^^^
[INFO] [stdout] 72 |     // The Hidden -> Output layer connection (1 neuron)
[INFO] [stdout] 73 |     output_layer: Layer<B>,
[INFO] [stdout]    |     ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 1m 24s
[INFO] running `Command { std: "docker" "inspect" "d44dbe09622f8ef42791ad4a36b5ce7afd756d899f16e2b64cf2da4aabfb382c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d44dbe09622f8ef42791ad4a36b5ce7afd756d899f16e2b64cf2da4aabfb382c", kill_on_drop: false }`
[INFO] [stdout] d44dbe09622f8ef42791ad4a36b5ce7afd756d899f16e2b64cf2da4aabfb382c
