[INFO] fetching crate serde_magnus 0.9.0...
[INFO] checking serde_magnus-0.9.0 against master#f7b43542838f0a4a6cfdb17fbeadf45002042a77 for pr-138499
[INFO] extracting crate serde_magnus 0.9.0 into /workspace/builds/worker-0-tc1/source
[INFO] validating manifest of crates.io crate serde_magnus 0.9.0 on toolchain f7b43542838f0a4a6cfdb17fbeadf45002042a77
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+f7b43542838f0a4a6cfdb17fbeadf45002042a77" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate serde_magnus 0.9.0
[INFO] removed 0 missing tests
[INFO] finished tweaking crates.io crate serde_magnus 0.9.0
[INFO] tweaked toml for crates.io crate serde_magnus 0.9.0 written to /workspace/builds/worker-0-tc1/source/Cargo.toml
[INFO] crate crates.io crate serde_magnus 0.9.0 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" "+f7b43542838f0a4a6cfdb17fbeadf45002042a77" "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 rb-sys v0.9.110
[INFO] [stderr]   Downloaded rb-sys-build v0.9.110
[INFO] [stderr]   Downloaded magnus-macros v0.6.0
[INFO] [stderr]   Downloaded rb-sys-env v0.1.2
[INFO] [stderr]   Downloaded magnus v0.7.1
[INFO] [stderr] error: failed to unpack package `magnus v0.7.1`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   failed to unpack entry at `magnus-0.7.1/src/float.rs`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   failed to unpack `/workspace/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/magnus-0.7.1/src/float.rs`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   failed to unpack `magnus-0.7.1/src/float.rs` into `/workspace/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/magnus-0.7.1/src/float.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 rb-sys v0.9.110
  Downloaded rb-sys-build v0.9.110
  Downloaded magnus-macros v0.6.0
  Downloaded rb-sys-env v0.1.2
  Downloaded magnus v0.7.1
error: failed to unpack package `magnus v0.7.1`

Caused by:
  failed to unpack entry at `magnus-0.7.1/src/float.rs`

Caused by:
  failed to unpack `/workspace/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/magnus-0.7.1/src/float.rs`

Caused by:
  failed to unpack `magnus-0.7.1/src/float.rs` into `/workspace/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/magnus-0.7.1/src/float.rs`

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