[INFO] cloning repository https://github.com/npatsakula/whichlang_trainer
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/npatsakula/whichlang_trainer" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fnpatsakula%2Fwhichlang_trainer", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fnpatsakula%2Fwhichlang_trainer'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 7e252e9ff399e4cf8eb39de165d19f1a30ed5a97
[INFO] checking npatsakula/whichlang_trainer against master#426a60abc213b28a7c7198e475476b6e650d871f for pr-129199
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fnpatsakula%2Fwhichlang_trainer" "/workspace/builds/worker-3-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-3-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/npatsakula/whichlang_trainer on toolchain 426a60abc213b28a7c7198e475476b6e650d871f
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+426a60abc213b28a7c7198e475476b6e650d871f" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/npatsakula/whichlang_trainer
[INFO] finished tweaking git repo https://github.com/npatsakula/whichlang_trainer
[INFO] tweaked toml for git repo https://github.com/npatsakula/whichlang_trainer written to /workspace/builds/worker-3-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/npatsakula/whichlang_trainer 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" "+426a60abc213b28a7c7198e475476b6e650d871f" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded linfa-preprocessing v0.6.1
[INFO] [stderr]   Downloaded lax v0.15.0
[INFO] [stderr]   Downloaded openblas-src v0.10.8
[INFO] [stderr]   Downloaded openblas-build v0.10.8
[INFO] [stderr]   Downloaded lapack-sys v0.12.1
[INFO] [stderr]   Downloaded ndarray-linalg v0.15.0
[INFO] [stderr]   Downloaded lapack v0.18.0
[INFO] [stderr]   Downloaded linfa-logistic v0.6.1
[INFO] [stderr]   Downloaded linfa-linalg v0.1.0
[INFO] [stderr]   Downloaded sprs v0.11.1
[INFO] [stderr]   Downloaded argmin v0.4.7
[INFO] [stderr] error: failed to unpack package `argmin v0.4.7`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   failed to unpack entry at `argmin-0.4.7/src/core/math/minmax.rs`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   failed to unpack `/workspace/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/argmin-0.4.7/src/core/math/minmax.rs`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   failed to unpack `argmin-0.4.7/src/core/math/minmax.rs` into `/workspace/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/argmin-0.4.7/src/core/math/minmax.rs`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   No space left on device (os error 28)
[ERROR] this task or one of its parent failed!
[ERROR] command failed: exit status: 101
[ERROR] note: run with `RUST_BACKTRACE=1` to display a backtrace.