[INFO] cloning repository https://github.com/carlosvneves/micrograd_rust
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/carlosvneves/micrograd_rust" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcarlosvneves%2Fmicrograd_rust", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcarlosvneves%2Fmicrograd_rust'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 5d7d0bce4525b587d207b87939e153dd5da99493
[INFO] checking carlosvneves/micrograd_rust against try#5de9e0e6cf775e94e0de2003f35e183f3f77bfe8 for pr-143808
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcarlosvneves%2Fmicrograd_rust" "/workspace/builds/worker-6-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-6-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/carlosvneves/micrograd_rust
[INFO] finished tweaking git repo https://github.com/carlosvneves/micrograd_rust
[INFO] tweaked toml for git repo https://github.com/carlosvneves/micrograd_rust written to /workspace/builds/worker-6-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/carlosvneves/micrograd_rust on toolchain 5de9e0e6cf775e94e0de2003f35e183f3f77bfe8
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+5de9e0e6cf775e94e0de2003f35e183f3f77bfe8" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/carlosvneves/micrograd_rust 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" "+5de9e0e6cf775e94e0de2003f35e183f3f77bfe8" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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" "+5de9e0e6cf775e94e0de2003f35e183f3f77bfe8" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 38f6be4f4dc7ea8d11af1e3ea278efd16ae32612957e0267dce00452068a434d
[INFO] running `Command { std: "docker" "start" "-a" "38f6be4f4dc7ea8d11af1e3ea278efd16ae32612957e0267dce00452068a434d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "38f6be4f4dc7ea8d11af1e3ea278efd16ae32612957e0267dce00452068a434d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "38f6be4f4dc7ea8d11af1e3ea278efd16ae32612957e0267dce00452068a434d", kill_on_drop: false }`
[INFO] [stdout] 38f6be4f4dc7ea8d11af1e3ea278efd16ae32612957e0267dce00452068a434d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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" "+5de9e0e6cf775e94e0de2003f35e183f3f77bfe8" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] c697ce9a7f80bbb06885c369cf7f8561469adb73c716c74c1df17598d7565d6c
[INFO] running `Command { std: "docker" "start" "-a" "c697ce9a7f80bbb06885c369cf7f8561469adb73c716c74c1df17598d7565d6c", kill_on_drop: false }`
[INFO] [stderr]     Checking micrograd_rust v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: struct `NeuralNetwork` is never constructed
[INFO] [stdout]  --> src/engine/neural_network.rs:1:12
[INFO] [stdout]   |
[INFO] [stdout] 1 | pub struct NeuralNetwork {
[INFO] [stdout]   |            ^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not parse/generate dep info at: /opt/rustwide/target/debug/deps/micrograd_rust-68c5e68f1eb5e078.d
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   failed to write `/opt/rustwide/target/debug/.fingerprint/micrograd_rust-68c5e68f1eb5e078/dep-test-bin-micrograd_rust`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   No space left on device (os error 28)
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] warning: struct `NeuralNetwork` is never constructed
[INFO] [stdout]  --> src/engine/neural_network.rs:1:12
[INFO] [stdout]   |
[INFO] [stdout] 1 | pub struct NeuralNetwork {
[INFO] [stdout]   |            ^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `micrograd_rust` (bin "micrograd_rust"); 1 warning emitted
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   No space left on device (os error 28)
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   failed to parse process output: `/opt/rustwide/rustup-home/toolchains/5de9e0e6cf775e94e0de2003f35e183f3f77bfe8/bin/rustc --crate-name micrograd_rust --edition=2021 src/main.rs --error-format=json --json=diagnostic-rendered-ansi,artifacts,future-incompat --crate-type bin --emit=dep-info,metadata -C embed-bitcode=no -C debuginfo=2 --check-cfg 'cfg(docsrs,test)' --check-cfg 'cfg(feature, values())' -C metadata=27a319d7702ae984 -C extra-filename=-bf342fe38f56f294 --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --cap-lints=forbid` (exit status: 1)
[INFO] running `Command { std: "docker" "inspect" "c697ce9a7f80bbb06885c369cf7f8561469adb73c716c74c1df17598d7565d6c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c697ce9a7f80bbb06885c369cf7f8561469adb73c716c74c1df17598d7565d6c", kill_on_drop: false }`
[INFO] [stdout] c697ce9a7f80bbb06885c369cf7f8561469adb73c716c74c1df17598d7565d6c