[INFO] cloning repository https://github.com/Giuliao/simpe-gpt
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/Giuliao/simpe-gpt" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FGiuliao%2Fsimpe-gpt", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FGiuliao%2Fsimpe-gpt'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 6f57c0da0826b219aaa29d5a24dbd3623a137dec
[INFO] checking Giuliao/simpe-gpt against try#fc545c6b951a304df08b327c158f92678582f435 for pr-140557-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FGiuliao%2Fsimpe-gpt" "/workspace/builds/worker-3-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-3-tc2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/Giuliao/simpe-gpt on toolchain fc545c6b951a304df08b327c158f92678582f435
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+fc545c6b951a304df08b327c158f92678582f435" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/Giuliao/simpe-gpt
[INFO] finished tweaking git repo https://github.com/Giuliao/simpe-gpt
[INFO] tweaked toml for git repo https://github.com/Giuliao/simpe-gpt written to /workspace/builds/worker-3-tc2/source/Cargo.toml
[INFO] crate git repo https://github.com/Giuliao/simpe-gpt 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" "+fc545c6b951a304df08b327c158f92678582f435" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/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" "+fc545c6b951a304df08b327c158f92678582f435" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 92314b19afb39112b0ce5e14c9e45893858816b4483b6c68e5f3a0cb3fa082fb
[INFO] running `Command { std: "docker" "start" "-a" "92314b19afb39112b0ce5e14c9e45893858816b4483b6c68e5f3a0cb3fa082fb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "92314b19afb39112b0ce5e14c9e45893858816b4483b6c68e5f3a0cb3fa082fb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "92314b19afb39112b0ce5e14c9e45893858816b4483b6c68e5f3a0cb3fa082fb", kill_on_drop: false }`
[INFO] [stdout] 92314b19afb39112b0ce5e14c9e45893858816b4483b6c68e5f3a0cb3fa082fb
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/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" "+fc545c6b951a304df08b327c158f92678582f435" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] c42e9644b7f702d67631eb1fd379797c5de041ff7a73af844135e723138c159c
[INFO] running `Command { std: "docker" "start" "-a" "c42e9644b7f702d67631eb1fd379797c5de041ff7a73af844135e723138c159c", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.93
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[INFO] [stdout] warning: unused imports: `model::ModelConfig` and `training::TrainingConfig`
[INFO] [stdout]  --> src/main.rs:6:42
[INFO] [stdout]   |
[INFO] [stdout] 6 | use crate::{model::gpt::SimpleGptConfig, model::ModelConfig, training::TrainingConfig};
[INFO] [stdout]   |                                          ^^^^^^^^^^^^^^^^^^  ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `model::ModelConfig` and `training::TrainingConfig`
[INFO] [stdout]  --> src/main.rs:6:42
[INFO] [stdout]   |
[INFO] [stdout] 6 | use crate::{model::gpt::SimpleGptConfig, model::ModelConfig, training::TrainingConfig};
[INFO] [stdout]   |                                          ^^^^^^^^^^^^^^^^^^  ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `new` is never used
[INFO] [stdout]   --> src/data.rs:12:12
[INFO] [stdout]    |
[INFO] [stdout] 11 | impl<B: Backend> MnistBatcher<B> {
[INFO] [stdout]    | -------------------------------- associated function in this implementation
[INFO] [stdout] 12 |     pub fn new(device: B::Device) -> Self {
[INFO] [stdout]    |            ^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `infer` is never used
[INFO] [stdout]  --> src/inference.rs:8:8
[INFO] [stdout]   |
[INFO] [stdout] 8 | pub fn infer<B: Backend>(artifact_dir: &str, device: B::Device, item: MnistItem) {
[INFO] [stdout]   |        ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `init` is never used
[INFO] [stdout]   --> src/model/mod.rs:62:12
[INFO] [stdout]    |
[INFO] [stdout] 60 | impl ModelConfig {
[INFO] [stdout]    | ---------------- method in this implementation
[INFO] [stdout] 61 |     /// Returns the initialized model.
[INFO] [stdout] 62 |     pub fn init<B: Backend>(&self, device: &B::Device) -> Model<B> {
[INFO] [stdout]    |            ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `forward` is never used
[INFO] [stdout]   --> src/model/feedforward.rs:15:12
[INFO] [stdout]    |
[INFO] [stdout] 14 | impl<B: Backend> FeedForward<B> {
[INFO] [stdout]    | ------------------------------- method in this implementation
[INFO] [stdout] 15 |     pub fn forward(&self, input: Tensor<B, 3>) -> Tensor<B, 3> {
[INFO] [stdout]    |            ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `forward` is never used
[INFO] [stdout]   --> src/model/gpt.rs:20:12
[INFO] [stdout]    |
[INFO] [stdout] 19 | impl<B: Backend> SimpleGptModel<B> {
[INFO] [stdout]    | ---------------------------------- method in this implementation
[INFO] [stdout] 20 |     pub fn forward(&self, input: Tensor<B, 2, Int>) -> Tensor<B, 3> {
[INFO] [stdout]    |            ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `forward` is never used
[INFO] [stdout]   --> src/model/mha.rs:20:12
[INFO] [stdout]    |
[INFO] [stdout] 19 | impl<B: Backend> MultiHeadAttention<B> {
[INFO] [stdout]    | -------------------------------------- method in this implementation
[INFO] [stdout] 20 |     pub fn forward(&self, x: Tensor<B, 3>) -> Tensor<B, 3> {
[INFO] [stdout]    |            ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `forward` is never used
[INFO] [stdout]   --> src/model/transformer.rs:21:12
[INFO] [stdout]    |
[INFO] [stdout] 20 | impl<B: Backend> TransformerBlock<B> {
[INFO] [stdout]    | ------------------------------------ method in this implementation
[INFO] [stdout] 21 |     pub fn forward(&self, x: Tensor<B, 3>) -> Tensor<B, 3> {
[INFO] [stdout]    |            ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `create_artifact_dir` is never used
[INFO] [stdout]   --> src/training.rs:64:4
[INFO] [stdout]    |
[INFO] [stdout] 64 | fn create_artifact_dir(artifact_dir: &str) {
[INFO] [stdout]    |    ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `train` is never used
[INFO] [stdout]   --> src/training.rs:70:8
[INFO] [stdout]    |
[INFO] [stdout] 70 | pub fn train<B: AutodiffBackend>(artifact_dir: &str, config: TrainingConfig, device: B::Device) {
[INFO] [stdout]    |        ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `new` is never used
[INFO] [stdout]   --> src/data.rs:12:12
[INFO] [stdout]    |
[INFO] [stdout] 11 | impl<B: Backend> MnistBatcher<B> {
[INFO] [stdout]    | -------------------------------- associated function in this implementation
[INFO] [stdout] 12 |     pub fn new(device: B::Device) -> Self {
[INFO] [stdout]    |            ^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `infer` is never used
[INFO] [stdout]  --> src/inference.rs:8:8
[INFO] [stdout]   |
[INFO] [stdout] 8 | pub fn infer<B: Backend>(artifact_dir: &str, device: B::Device, item: MnistItem) {
[INFO] [stdout]   |        ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `init` is never used
[INFO] [stdout]   --> src/model/mod.rs:62:12
[INFO] [stdout]    |
[INFO] [stdout] 60 | impl ModelConfig {
[INFO] [stdout]    | ---------------- method in this implementation
[INFO] [stdout] 61 |     /// Returns the initialized model.
[INFO] [stdout] 62 |     pub fn init<B: Backend>(&self, device: &B::Device) -> Model<B> {
[INFO] [stdout]    |            ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `forward` is never used
[INFO] [stdout]   --> src/model/feedforward.rs:15:12
[INFO] [stdout]    |
[INFO] [stdout] 14 | impl<B: Backend> FeedForward<B> {
[INFO] [stdout]    | ------------------------------- method in this implementation
[INFO] [stdout] 15 |     pub fn forward(&self, input: Tensor<B, 3>) -> Tensor<B, 3> {
[INFO] [stdout]    |            ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `forward` is never used
[INFO] [stdout]   --> src/model/gpt.rs:20:12
[INFO] [stdout]    |
[INFO] [stdout] 19 | impl<B: Backend> SimpleGptModel<B> {
[INFO] [stdout]    | ---------------------------------- method in this implementation
[INFO] [stdout] 20 |     pub fn forward(&self, input: Tensor<B, 2, Int>) -> Tensor<B, 3> {
[INFO] [stdout]    |            ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `forward` is never used
[INFO] [stdout]   --> src/model/mha.rs:20:12
[INFO] [stdout]    |
[INFO] [stdout] 19 | impl<B: Backend> MultiHeadAttention<B> {
[INFO] [stdout]    | -------------------------------------- method in this implementation
[INFO] [stdout] 20 |     pub fn forward(&self, x: Tensor<B, 3>) -> Tensor<B, 3> {
[INFO] [stdout]    |            ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `forward` is never used
[INFO] [stdout]   --> src/model/transformer.rs:21:12
[INFO] [stdout]    |
[INFO] [stdout] 20 | impl<B: Backend> TransformerBlock<B> {
[INFO] [stdout]    | ------------------------------------ method in this implementation
[INFO] [stdout] 21 |     pub fn forward(&self, x: Tensor<B, 3>) -> Tensor<B, 3> {
[INFO] [stdout]    |            ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `create_artifact_dir` is never used
[INFO] [stdout]   --> src/training.rs:64:4
[INFO] [stdout]    |
[INFO] [stdout] 64 | fn create_artifact_dir(artifact_dir: &str) {
[INFO] [stdout]    |    ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `train` is never used
[INFO] [stdout]   --> src/training.rs:70:8
[INFO] [stdout]    |
[INFO] [stdout] 70 | pub fn train<B: AutodiffBackend>(artifact_dir: &str, config: TrainingConfig, device: B::Device) {
[INFO] [stdout]    |        ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 3m 15s
[INFO] running `Command { std: "docker" "inspect" "c42e9644b7f702d67631eb1fd379797c5de041ff7a73af844135e723138c159c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c42e9644b7f702d67631eb1fd379797c5de041ff7a73af844135e723138c159c", kill_on_drop: false }`
[INFO] [stdout] c42e9644b7f702d67631eb1fd379797c5de041ff7a73af844135e723138c159c