[INFO] cloning repository https://github.com/knknkn1162/nlp100_rust
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/knknkn1162/nlp100_rust" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fknknkn1162%2Fnlp100_rust", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fknknkn1162%2Fnlp100_rust'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] a01bba6f0a1618506c02fa24e00c1f256b8ed2a7
[INFO] checking knknkn1162/nlp100_rust against master#aec4741d42e10673e7d5fe0f1c96d407801884e8 for pr-116891
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fknknkn1162%2Fnlp100_rust" "/workspace/builds/worker-0-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-0-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/knknkn1162/nlp100_rust on toolchain aec4741d42e10673e7d5fe0f1c96d407801884e8
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+aec4741d42e10673e7d5fe0f1c96d407801884e8" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/knknkn1162/nlp100_rust
[INFO] finished tweaking git repo https://github.com/knknkn1162/nlp100_rust
[INFO] tweaked toml for git repo https://github.com/knknkn1162/nlp100_rust written to /workspace/builds/worker-0-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/knknkn1162/nlp100_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" "+aec4741d42e10673e7d5fe0f1c96d407801884e8" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded crc-core v0.1.0
[INFO] [stderr]   Downloaded serde v1.0.20
[INFO] [stderr]   Downloaded crc v1.5.0
[INFO] [stderr]   Downloaded csv-core v0.1.3
[INFO] [stderr]   Downloaded openssl-sys v0.9.20
[INFO] [stderr]   Downloaded serde_derive v1.0.20
[INFO] [stderr]   Downloaded mime_guess v2.0.0-alpha.2
[INFO] [stderr]   Downloaded openssl v0.9.20
[INFO] [stderr] error: failed to download replaced source registry `crates-io`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   failed to unpack package `openssl v0.9.20`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   failed to unpack entry at `openssl-0.9.20/src/version.rs`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   failed to unpack `/workspace/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/openssl-0.9.20/src/version.rs`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   failed to unpack `openssl-0.9.20/src/version.rs` into `/workspace/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/openssl-0.9.20/src/version.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.