[INFO] cloning repository https://github.com/llamicron/grader_template
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/llamicron/grader_template" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fllamicron%2Fgrader_template", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fllamicron%2Fgrader_template'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 28e3f8dd69f4e6cf6ea85140862019299c678017
[INFO] testing llamicron/grader_template against 1.90.0 for beta-1.91-2
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fllamicron%2Fgrader_template" "/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/llamicron/grader_template
[INFO] finished tweaking git repo https://github.com/llamicron/grader_template
[INFO] tweaked toml for git repo https://github.com/llamicron/grader_template written to /workspace/builds/worker-6-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/llamicron/grader_template on toolchain 1.90.0
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.90.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/llamicron/grader_template 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" "+1.90.0" "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 unicode-xid v0.2.1
[INFO] [stderr]   Downloaded atty v0.2.14
[INFO] [stderr]   Downloaded same-file v1.0.6
[INFO] [stderr]   Downloaded mio-extras v2.0.6
[INFO] [stderr]   Downloaded wasi v0.9.0+wasi-snapshot-preview1
[INFO] [stderr]   Downloaded subtle v2.2.3
[INFO] [stderr]   Downloaded quote v0.6.13
[INFO] [stderr]   Downloaded mime v0.2.6
[INFO] [stderr]   Downloaded proc-macro2 v1.0.19
[INFO] [stderr]   Downloaded notify v4.0.15
[INFO] [stderr]   Downloaded slab v0.4.2
[INFO] [stderr] error: failed to unpack package `slab v0.4.2`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   failed to unpack entry at `slab-0.4.2/src/lib.rs`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   failed to unpack `/workspace/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/slab-0.4.2/src/lib.rs`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   failed to unpack `slab-0.4.2/src/lib.rs` into `/workspace/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/slab-0.4.2/src/lib.rs`
[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 unicode-xid v0.2.1
  Downloaded atty v0.2.14
  Downloaded same-file v1.0.6
  Downloaded mio-extras v2.0.6
  Downloaded wasi v0.9.0+wasi-snapshot-preview1
  Downloaded subtle v2.2.3
  Downloaded quote v0.6.13
  Downloaded mime v0.2.6
  Downloaded proc-macro2 v1.0.19
  Downloaded notify v4.0.15
  Downloaded slab v0.4.2
error: failed to unpack package `slab v0.4.2`

Caused by:
  failed to unpack entry at `slab-0.4.2/src/lib.rs`

Caused by:
  failed to unpack `/workspace/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/slab-0.4.2/src/lib.rs`

Caused by:
  failed to unpack `slab-0.4.2/src/lib.rs` into `/workspace/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/slab-0.4.2/src/lib.rs`

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