[INFO] cloning repository https://github.com/araxnoid-code/seq2seq
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/araxnoid-code/seq2seq" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Faraxnoid-code%2Fseq2seq", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Faraxnoid-code%2Fseq2seq'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 540423a0975cdcd92193d616dd00ff8e7793f7ed
[INFO] checking araxnoid-code/seq2seq against try#1f308f12738d8cc40bb23bf0c8114b37c164bb49 for pr-137268
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Faraxnoid-code%2Fseq2seq" "/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/araxnoid-code/seq2seq on toolchain 1f308f12738d8cc40bb23bf0c8114b37c164bb49
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1f308f12738d8cc40bb23bf0c8114b37c164bb49" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/araxnoid-code/seq2seq
[INFO] finished tweaking git repo https://github.com/araxnoid-code/seq2seq
[INFO] tweaked toml for git repo https://github.com/araxnoid-code/seq2seq written to /workspace/builds/worker-3-tc2/source/Cargo.toml
[INFO] crate git repo https://github.com/araxnoid-code/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" "+1f308f12738d8cc40bb23bf0c8114b37c164bb49" "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" "+1f308f12738d8cc40bb23bf0c8114b37c164bb49" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 0bbd58ee903f8a355e8fe1fa92b389d1de4db42c7440cb3fdda7b44eb6b2bb17
[INFO] running `Command { std: "docker" "start" "-a" "0bbd58ee903f8a355e8fe1fa92b389d1de4db42c7440cb3fdda7b44eb6b2bb17", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "0bbd58ee903f8a355e8fe1fa92b389d1de4db42c7440cb3fdda7b44eb6b2bb17", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0bbd58ee903f8a355e8fe1fa92b389d1de4db42c7440cb3fdda7b44eb6b2bb17", kill_on_drop: false }`
[INFO] [stdout] 0bbd58ee903f8a355e8fe1fa92b389d1de4db42c7440cb3fdda7b44eb6b2bb17
[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" "+1f308f12738d8cc40bb23bf0c8114b37c164bb49" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 2e339d536c42934162fb28d15b785a9bdad22bb6690cf099d3aee32699ac815f
[INFO] running `Command { std: "docker" "start" "-a" "2e339d536c42934162fb28d15b785a9bdad22bb6690cf099d3aee32699ac815f", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.93
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[INFO] [stdout] warning: unused import: `activation::softmax`
[INFO] [stdout]  --> src/model/seq2seq.rs:9:14
[INFO] [stdout]   |
[INFO] [stdout] 9 |     tensor::{activation::softmax, Int, Tensor},
[INFO] [stdout]   |              ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `AdaGradStateItem` and `autodiff::grads::Gradients`
[INFO] [stdout]  --> src/main.rs:4:15
[INFO] [stdout]   |
[INFO] [stdout] 4 |     backend::{autodiff::grads::Gradients, wgpu::WgpuDevice, Autodiff, Wgpu},
[INFO] [stdout]   |               ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 7 |     optim::{AdaGradStateItem, AdamConfig, GradientsParams, Optimizer},
[INFO] [stdout]   |             ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `activation::softmax`
[INFO] [stdout]  --> src/model/seq2seq.rs:9:14
[INFO] [stdout]   |
[INFO] [stdout] 9 |     tensor::{activation::softmax, Int, Tensor},
[INFO] [stdout]   |              ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `AdaGradStateItem` and `autodiff::grads::Gradients`
[INFO] [stdout]  --> src/main.rs:4:15
[INFO] [stdout]   |
[INFO] [stdout] 4 |     backend::{autodiff::grads::Gradients, wgpu::WgpuDevice, Autodiff, Wgpu},
[INFO] [stdout]   |               ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 7 |     optim::{AdaGradStateItem, AdamConfig, GradientsParams, Optimizer},
[INFO] [stdout]   |             ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `i`
[INFO] [stdout]   --> src/model/seq2seq.rs:47:13
[INFO] [stdout]    |
[INFO] [stdout] 47 |         for i in 0..12 {
[INFO] [stdout]    |             ^ help: if this is intentional, prefix it with an underscore: `_i`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `i`
[INFO] [stdout]   --> src/model/seq2seq.rs:47:13
[INFO] [stdout]    |
[INFO] [stdout] 47 |         for i in 0..12 {
[INFO] [stdout]    |             ^ help: if this is intentional, prefix it with an underscore: `_i`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 3m 32s
[INFO] running `Command { std: "docker" "inspect" "2e339d536c42934162fb28d15b785a9bdad22bb6690cf099d3aee32699ac815f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2e339d536c42934162fb28d15b785a9bdad22bb6690cf099d3aee32699ac815f", kill_on_drop: false }`
[INFO] [stdout] 2e339d536c42934162fb28d15b785a9bdad22bb6690cf099d3aee32699ac815f