[INFO] cloning repository https://github.com/rodya-mirov/ai2048
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/rodya-mirov/ai2048" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Frodya-mirov%2Fai2048", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Frodya-mirov%2Fai2048'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 56b961d7af2d92c72059fc3a8bd83f9690b5d32c
[INFO] checking rodya-mirov/ai2048 against master#2c0f4860cc86e2354a55ea04e738848168435c90 for pr-149145
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Frodya-mirov%2Fai2048" "/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/rodya-mirov/ai2048
[INFO] finished tweaking git repo https://github.com/rodya-mirov/ai2048
[INFO] tweaked toml for git repo https://github.com/rodya-mirov/ai2048 written to /workspace/builds/worker-6-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/rodya-mirov/ai2048 on toolchain 2c0f4860cc86e2354a55ea04e738848168435c90
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+2c0f4860cc86e2354a55ea04e738848168435c90" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/rodya-mirov/ai2048 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" "+2c0f4860cc86e2354a55ea04e738848168435c90" "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@sha256:94a0c148923f5b2b52a63ef0eeb1882ad339ab61bce784c8077cbe41c61feb6c" "/opt/rustwide/cargo-home/bin/cargo" "+2c0f4860cc86e2354a55ea04e738848168435c90" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 1d5b2598a2ed99af19af249a7c00a07e5abc516c7cc52d3493d1348dfcd972f9
[INFO] running `Command { std: "docker" "start" "-a" "1d5b2598a2ed99af19af249a7c00a07e5abc516c7cc52d3493d1348dfcd972f9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "1d5b2598a2ed99af19af249a7c00a07e5abc516c7cc52d3493d1348dfcd972f9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1d5b2598a2ed99af19af249a7c00a07e5abc516c7cc52d3493d1348dfcd972f9", kill_on_drop: false }`
[INFO] [stdout] 1d5b2598a2ed99af19af249a7c00a07e5abc516c7cc52d3493d1348dfcd972f9
[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@sha256:94a0c148923f5b2b52a63ef0eeb1882ad339ab61bce784c8077cbe41c61feb6c" "/opt/rustwide/cargo-home/bin/cargo" "+2c0f4860cc86e2354a55ea04e738848168435c90" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 92b3b08550201207bbc4512d02c324446678c604923f814a436e724a4d4c8430
[INFO] running `Command { std: "docker" "start" "-a" "92b3b08550201207bbc4512d02c324446678c604923f814a436e724a4d4c8430", kill_on_drop: false }`
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[INFO] [stderr]     Checking ai2048 v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: constant `EPSILON` is never used
[INFO] [stdout]   --> src/training.rs:43:7
[INFO] [stdout]    |
[INFO] [stdout] 43 | const EPSILON: f32 = 0.0001;
[INFO] [stdout]    |       ^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `normalize` is never used
[INFO] [stdout]    --> src/training.rs:179:4
[INFO] [stdout]     |
[INFO] [stdout] 179 | fn normalize<B: Backend>(tensor: Tensor<B, 1>) -> Tensor<B, 1> {
[INFO] [stdout]     |    ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `EPSILON` is never used
[INFO] [stdout]   --> src/training.rs:43:7
[INFO] [stdout]    |
[INFO] [stdout] 43 | const EPSILON: f32 = 0.0001;
[INFO] [stdout]    |       ^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `normalize` is never used
[INFO] [stdout]    --> src/training.rs:179:4
[INFO] [stdout]     |
[INFO] [stdout] 179 | fn normalize<B: Backend>(tensor: Tensor<B, 1>) -> Tensor<B, 1> {
[INFO] [stdout]     |    ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 1m 26s
[INFO] running `Command { std: "docker" "inspect" "92b3b08550201207bbc4512d02c324446678c604923f814a436e724a4d4c8430", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "92b3b08550201207bbc4512d02c324446678c604923f814a436e724a4d4c8430", kill_on_drop: false }`
[INFO] [stdout] 92b3b08550201207bbc4512d02c324446678c604923f814a436e724a4d4c8430