[INFO] cloning repository https://github.com/memeryliu/guessing_game
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/memeryliu/guessing_game" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmemeryliu%2Fguessing_game", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmemeryliu%2Fguessing_game'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] ff99c01daeb08c836d9fab7bb8dfd403d3ed0334
[INFO] testing memeryliu/guessing_game against master#1ef7943ee607160a564655b6596f83670ef95df5 for pr-146098-6
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmemeryliu%2Fguessing_game" "/workspace/builds/worker-7-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-7-tc1/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/memeryliu/guessing_game
[INFO] finished tweaking git repo https://github.com/memeryliu/guessing_game
[INFO] tweaked toml for git repo https://github.com/memeryliu/guessing_game written to /workspace/builds/worker-7-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/memeryliu/guessing_game on toolchain 1ef7943ee607160a564655b6596f83670ef95df5
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1ef7943ee607160a564655b6596f83670ef95df5" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/memeryliu/guessing_game 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" "+1ef7943ee607160a564655b6596f83670ef95df5" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded rand_core v0.6.4
[INFO] [stderr] error: failed to unpack package `rand_core v0.6.4`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   failed to unpack entry at `rand_core-0.6.4/CHANGELOG.md`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   failed to unpack `/workspace/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/rand_core-0.6.4/CHANGELOG.md`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   failed to unpack `rand_core-0.6.4/CHANGELOG.md` into `/workspace/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/rand_core-0.6.4/CHANGELOG.md`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   No space left on device (os error 28)


command failed: exit status: 101

    Blocking waiting for file lock on package cache
    Updating crates.io index
    Blocking waiting for file lock on package cache
 Downloading crates ...
  Downloaded rand_core v0.6.4
error: failed to unpack package `rand_core v0.6.4`

Caused by:
  failed to unpack entry at `rand_core-0.6.4/CHANGELOG.md`

Caused by:
  failed to unpack `/workspace/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/rand_core-0.6.4/CHANGELOG.md`

Caused by:
  failed to unpack `rand_core-0.6.4/CHANGELOG.md` into `/workspace/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/rand_core-0.6.4/CHANGELOG.md`

Caused by:
  No space left on device (os error 28)