[INFO] cloning repository https://github.com/kucingandromeda/simple_seq2seq
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/kucingandromeda/simple_seq2seq" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkucingandromeda%2Fsimple_seq2seq", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkucingandromeda%2Fsimple_seq2seq'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 6fc3600d5e095f0a006e77410fef7439a35d752d
[INFO] checking kucingandromeda/simple_seq2seq against master#f2d69d5a7c04617d122facd0a7a5bdde0af928ae for pr-138363
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkucingandromeda%2Fsimple_seq2seq" "/workspace/builds/worker-7-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-7-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/kucingandromeda/simple_seq2seq on toolchain f2d69d5a7c04617d122facd0a7a5bdde0af928ae
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+f2d69d5a7c04617d122facd0a7a5bdde0af928ae" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/kucingandromeda/simple_seq2seq
[INFO] finished tweaking git repo https://github.com/kucingandromeda/simple_seq2seq
[INFO] tweaked toml for git repo https://github.com/kucingandromeda/simple_seq2seq written to /workspace/builds/worker-7-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/kucingandromeda/simple_seq2seq 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" "+f2d69d5a7c04617d122facd0a7a5bdde0af928ae" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
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[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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@sha256:1680c8fbd8dfb46fcd6d22e546df16ab0e007457dc29fcd9e987cdd5077fd1af" "/opt/rustwide/cargo-home/bin/cargo" "+f2d69d5a7c04617d122facd0a7a5bdde0af928ae" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 46f5869b9b3a12517287ddd42b34d72c10f92d81687c4b9801008c8a38361e8f
[INFO] running `Command { std: "docker" "start" "-a" "46f5869b9b3a12517287ddd42b34d72c10f92d81687c4b9801008c8a38361e8f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "46f5869b9b3a12517287ddd42b34d72c10f92d81687c4b9801008c8a38361e8f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "46f5869b9b3a12517287ddd42b34d72c10f92d81687c4b9801008c8a38361e8f", kill_on_drop: false }`
[INFO] [stdout] 46f5869b9b3a12517287ddd42b34d72c10f92d81687c4b9801008c8a38361e8f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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@sha256:1680c8fbd8dfb46fcd6d22e546df16ab0e007457dc29fcd9e987cdd5077fd1af" "/opt/rustwide/cargo-home/bin/cargo" "+f2d69d5a7c04617d122facd0a7a5bdde0af928ae" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 7324c2dce14c72931877e3ea43154a6898677ea610f7a01fc1ca9f5f6c0e4875
[INFO] running `Command { std: "docker" "start" "-a" "7324c2dce14c72931877e3ea43154a6898677ea610f7a01fc1ca9f5f6c0e4875", kill_on_drop: false }`
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[INFO] [stderr]     Checking burn-tensor v0.16.0
[INFO] [stderr]     Checking burn-fusion v0.16.0
[INFO] [stderr]     Checking burn-autodiff v0.16.0
[INFO] [stderr]     Checking burn-jit v0.16.0
[INFO] [stderr]     Checking burn-wgpu v0.16.0
[INFO] [stderr]     Checking burn-core v0.16.0
[INFO] [stderr]     Checking burn-train v0.16.0
[INFO] [stderr]     Checking burn v0.16.0
[INFO] [stderr]     Checking my_project v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `std::io::Lines`
[INFO] [stdout]  --> src/model/seq2seq.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::io::Lines;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `AdamConfig`, `GradientsParams`, `Optimizer`, `module::AutodiffModule`, and `nn::loss::CrossEntropyLossConfig`
[INFO] [stdout]  --> src/main.rs:5:5
[INFO] [stdout]   |
[INFO] [stdout] 5 |     module::AutodiffModule,
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 6 |     nn::loss::CrossEntropyLossConfig,
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 7 |     optim::{AdamConfig, GradientsParams, Optimizer},
[INFO] [stdout]   |             ^^^^^^^^^^  ^^^^^^^^^^^^^^^  ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::io::Lines`
[INFO] [stdout]  --> src/model/seq2seq.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::io::Lines;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `AdamConfig`, `GradientsParams`, `Optimizer`, `module::AutodiffModule`, and `nn::loss::CrossEntropyLossConfig`
[INFO] [stdout]  --> src/main.rs:5:5
[INFO] [stdout]   |
[INFO] [stdout] 5 |     module::AutodiffModule,
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 6 |     nn::loss::CrossEntropyLossConfig,
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 7 |     optim::{AdamConfig, GradientsParams, Optimizer},
[INFO] [stdout]   |             ^^^^^^^^^^  ^^^^^^^^^^^^^^^  ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `input_tensor_copy`
[INFO] [stdout]   --> src/main.rs:68:9
[INFO] [stdout]    |
[INFO] [stdout] 68 |     let input_tensor_copy = input_tensor.clone();
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_input_tensor_copy`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `output_tensor_copy`
[INFO] [stdout]   --> src/main.rs:80:9
[INFO] [stdout]    |
[INFO] [stdout] 80 |     let output_tensor_copy = output_tensor.clone();
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_output_tensor_copy`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `epoch`
[INFO] [stdout]   --> src/main.rs:82:9
[INFO] [stdout]    |
[INFO] [stdout] 82 |     let epoch = 100;
[INFO] [stdout]    |         ^^^^^ help: if this is intentional, prefix it with an underscore: `_epoch`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `linear_decoder` is never read
[INFO] [stdout]   --> src/model/seq2seq.rs:23:5
[INFO] [stdout]    |
[INFO] [stdout] 13 | pub struct Seq2Seq<B: Backend> {
[INFO] [stdout]    |            ------- field in this struct
[INFO] [stdout] ...
[INFO] [stdout] 23 |     linear_decoder: Linear<B>,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `input_tensor_copy`
[INFO] [stdout]   --> src/main.rs:68:9
[INFO] [stdout]    |
[INFO] [stdout] 68 |     let input_tensor_copy = input_tensor.clone();
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_input_tensor_copy`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `output_tensor_copy`
[INFO] [stdout]   --> src/main.rs:80:9
[INFO] [stdout]    |
[INFO] [stdout] 80 |     let output_tensor_copy = output_tensor.clone();
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_output_tensor_copy`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `epoch`
[INFO] [stdout]   --> src/main.rs:82:9
[INFO] [stdout]    |
[INFO] [stdout] 82 |     let epoch = 100;
[INFO] [stdout]    |         ^^^^^ help: if this is intentional, prefix it with an underscore: `_epoch`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `linear_decoder` is never read
[INFO] [stdout]   --> src/model/seq2seq.rs:23:5
[INFO] [stdout]    |
[INFO] [stdout] 13 | pub struct Seq2Seq<B: Backend> {
[INFO] [stdout]    |            ------- field in this struct
[INFO] [stdout] ...
[INFO] [stdout] 23 |     linear_decoder: Linear<B>,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 1m 22s
[INFO] running `Command { std: "docker" "inspect" "7324c2dce14c72931877e3ea43154a6898677ea610f7a01fc1ca9f5f6c0e4875", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7324c2dce14c72931877e3ea43154a6898677ea610f7a01fc1ca9f5f6c0e4875", kill_on_drop: false }`
[INFO] [stdout] 7324c2dce14c72931877e3ea43154a6898677ea610f7a01fc1ca9f5f6c0e4875