[INFO] cloning repository https://github.com/makinzm/create-mnist-with-burn
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/makinzm/create-mnist-with-burn" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmakinzm%2Fcreate-mnist-with-burn", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmakinzm%2Fcreate-mnist-with-burn'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 2e5b6ece0dd25ea4db5627d782abdc5502140284
[INFO] checking makinzm/create-mnist-with-burn against try#b047d5f4496a7526d91d0dddea494c05853f2a7b for pr-122661-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmakinzm%2Fcreate-mnist-with-burn" "/workspace/builds/worker-7-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-7-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/makinzm/create-mnist-with-burn
[INFO] finished tweaking git repo https://github.com/makinzm/create-mnist-with-burn
[INFO] tweaked toml for git repo https://github.com/makinzm/create-mnist-with-burn written to /workspace/builds/worker-7-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/makinzm/create-mnist-with-burn on toolchain b047d5f4496a7526d91d0dddea494c05853f2a7b
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+b047d5f4496a7526d91d0dddea494c05853f2a7b" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/makinzm/create-mnist-with-burn 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" "+b047d5f4496a7526d91d0dddea494c05853f2a7b" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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:cf8efcab8866f2cf4285301c7418e2f4f2a9b088c91ba69c40d5b659f81557f7" "/opt/rustwide/cargo-home/bin/cargo" "+b047d5f4496a7526d91d0dddea494c05853f2a7b" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 24a04b58f19e20805b7491d24f77b3408512ae71fb7dc777b099f25c1cbe9756
[INFO] running `Command { std: "docker" "start" "-a" "24a04b58f19e20805b7491d24f77b3408512ae71fb7dc777b099f25c1cbe9756", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "24a04b58f19e20805b7491d24f77b3408512ae71fb7dc777b099f25c1cbe9756", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "24a04b58f19e20805b7491d24f77b3408512ae71fb7dc777b099f25c1cbe9756", kill_on_drop: false }`
[INFO] [stdout] 24a04b58f19e20805b7491d24f77b3408512ae71fb7dc777b099f25c1cbe9756
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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:cf8efcab8866f2cf4285301c7418e2f4f2a9b088c91ba69c40d5b659f81557f7" "/opt/rustwide/cargo-home/bin/cargo" "+b047d5f4496a7526d91d0dddea494c05853f2a7b" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 6c97b4404a82393e82aec1d5bb75d2b4b431d542a0c032836b65cd2b2150a632
[INFO] running `Command { std: "docker" "start" "-a" "6c97b4404a82393e82aec1d5bb75d2b4b431d542a0c032836b65cd2b2150a632", kill_on_drop: false }`
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[INFO] [stdout] warning: unused variable: `dataloader_train`
[INFO] [stdout]    --> src/train.rs:102:9
[INFO] [stdout]     |
[INFO] [stdout] 102 |     let dataloader_train = DataLoaderBuilder::new(batcher_train)
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_dataloader_train`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `new` is never used
[INFO] [stdout]   --> src/model.rs:87:12
[INFO] [stdout]    |
[INFO] [stdout] 70 | impl<B: Backend> Encoder<B> {
[INFO] [stdout]    | --------------------------- associated function in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 87 |     pub fn new(device: &B::Device, _hidden_size: usize, latent_size: usize) -> Self {
[INFO] [stdout]    |            ^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `new` is never used
[INFO] [stdout]    --> src/model.rs:154:12
[INFO] [stdout]     |
[INFO] [stdout] 139 | impl<B: Backend> Decoder<B> {
[INFO] [stdout]     | --------------------------- associated function in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 154 |     pub fn new(device: &B::Device, latent_size: usize) -> Self {
[INFO] [stdout]     |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `new` is never used
[INFO] [stdout]    --> src/model.rs:202:12
[INFO] [stdout]     |
[INFO] [stdout] 185 | impl<B: Backend> VAE<B> {
[INFO] [stdout]     | ----------------------- associated function in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 202 |     pub fn new(device: &B::Device, _hidden_size: usize, latent_size: usize) -> Self {
[INFO] [stdout]     |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `dataloader_train`
[INFO] [stdout]    --> src/train.rs:102:9
[INFO] [stdout]     |
[INFO] [stdout] 102 |     let dataloader_train = DataLoaderBuilder::new(batcher_train)
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_dataloader_train`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `new` is never used
[INFO] [stdout]   --> src/model.rs:87:12
[INFO] [stdout]    |
[INFO] [stdout] 70 | impl<B: Backend> Encoder<B> {
[INFO] [stdout]    | --------------------------- associated function in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 87 |     pub fn new(device: &B::Device, _hidden_size: usize, latent_size: usize) -> Self {
[INFO] [stdout]    |            ^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `new` is never used
[INFO] [stdout]    --> src/model.rs:154:12
[INFO] [stdout]     |
[INFO] [stdout] 139 | impl<B: Backend> Decoder<B> {
[INFO] [stdout]     | --------------------------- associated function in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 154 |     pub fn new(device: &B::Device, latent_size: usize) -> Self {
[INFO] [stdout]     |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `new` is never used
[INFO] [stdout]    --> src/model.rs:202:12
[INFO] [stdout]     |
[INFO] [stdout] 185 | impl<B: Backend> VAE<B> {
[INFO] [stdout]     | ----------------------- associated function in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 202 |     pub fn new(device: &B::Device, _hidden_size: usize, latent_size: usize) -> Self {
[INFO] [stdout]     |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 3m 46s
[INFO] running `Command { std: "docker" "inspect" "6c97b4404a82393e82aec1d5bb75d2b4b431d542a0c032836b65cd2b2150a632", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6c97b4404a82393e82aec1d5bb75d2b4b431d542a0c032836b65cd2b2150a632", kill_on_drop: false }`
[INFO] [stdout] 6c97b4404a82393e82aec1d5bb75d2b4b431d542a0c032836b65cd2b2150a632