[INFO] cloning repository https://github.com/cyclefortytwo/knockturn-allee
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/cyclefortytwo/knockturn-allee" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcyclefortytwo%2Fknockturn-allee", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcyclefortytwo%2Fknockturn-allee'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 9e7a5ebaa55247725908928712416b8955decbfd
[INFO] checking cyclefortytwo/knockturn-allee against master#8f21a5c92ea55c348c275a1bc4fedbdf181e0d64 for pr-143011
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcyclefortytwo%2Fknockturn-allee" "/workspace/builds/worker-4-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4-tc1/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/cyclefortytwo/knockturn-allee
[INFO] finished tweaking git repo https://github.com/cyclefortytwo/knockturn-allee
[INFO] tweaked toml for git repo https://github.com/cyclefortytwo/knockturn-allee written to /workspace/builds/worker-4-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/cyclefortytwo/knockturn-allee on toolchain 8f21a5c92ea55c348c275a1bc4fedbdf181e0d64
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+8f21a5c92ea55c348c275a1bc4fedbdf181e0d64" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/cyclefortytwo/knockturn-allee 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" "+8f21a5c92ea55c348c275a1bc4fedbdf181e0d64" "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 fuchsia-cprng v0.1.0
[INFO] [stderr]   Downloaded serde_derive v1.0.87
[INFO] [stderr] error: failed to unpack package `serde_derive v1.0.87`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   failed to unpack entry at `serde_derive-1.0.87/src/de.rs`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   failed to unpack `/workspace/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/serde_derive-1.0.87/src/de.rs`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   failed to unpack `serde_derive-1.0.87/src/de.rs` into `/workspace/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/serde_derive-1.0.87/src/de.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 fuchsia-cprng v0.1.0
  Downloaded serde_derive v1.0.87
error: failed to unpack package `serde_derive v1.0.87`

Caused by:
  failed to unpack entry at `serde_derive-1.0.87/src/de.rs`

Caused by:
  failed to unpack `/workspace/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/serde_derive-1.0.87/src/de.rs`

Caused by:
  failed to unpack `serde_derive-1.0.87/src/de.rs` into `/workspace/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/serde_derive-1.0.87/src/de.rs`

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