[INFO] fetching crate preferences-serde1 2.0.0...
[INFO] testing preferences-serde1-2.0.0 against master#ad85bc524b1ad696e42061ad8338d382dffbdbe5 for pr-146237
[INFO] extracting crate preferences-serde1 2.0.0 into /workspace/builds/worker-0-tc1/source
[INFO] started tweaking crates.io crate preferences-serde1 2.0.0
[INFO] finished tweaking crates.io crate preferences-serde1 2.0.0
[INFO] tweaked toml for crates.io crate preferences-serde1 2.0.0 written to /workspace/builds/worker-0-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate preferences-serde1 2.0.0 on toolchain ad85bc524b1ad696e42061ad8338d382dffbdbe5
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ad85bc524b1ad696e42061ad8338d382dffbdbe5" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ad85bc524b1ad696e42061ad8338d382dffbdbe5" "generate-lockfile" "--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]      Locking 24 packages to latest compatible versions
[INFO] [stderr]       Adding directories v4.0.1 (available: v6.0.0)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ad85bc524b1ad696e42061ad8338d382dffbdbe5" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr] warning: no edition set: defaulting to the 2015 edition while the latest is 2024
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded ryu v1.0.20
[INFO] [stderr]   Downloaded libredox v0.1.9
[INFO] [stderr]   Downloaded itoa v1.0.15
[INFO] [stderr]   Downloaded cfg-if v1.0.3
[INFO] [stderr]   Downloaded thiserror v1.0.69
[INFO] [stderr]   Downloaded wasi v0.11.1+wasi-snapshot-preview1
[INFO] [stderr]   Downloaded bitflags v2.9.4
[INFO] [stderr]   Downloaded proc-macro2 v1.0.101
[INFO] [stderr]   Downloaded unicode-ident v1.0.19
[INFO] [stderr]   Downloaded memchr v2.7.5
[INFO] [stderr]   Downloaded serde v1.0.219
[INFO] [stderr]   Downloaded serde_derive v1.0.219
[INFO] [stderr]   Downloaded serde_json v1.0.143
[INFO] [stderr]   Downloaded thiserror-impl v1.0.69
[INFO] [stderr]   Downloaded redox_users v0.4.6
[INFO] [stderr]   Downloaded dirs-sys v0.3.7
[INFO] [stderr]   Downloaded directories v4.0.1
[INFO] [stderr]   Downloaded syn v2.0.106
[INFO] [stderr] error: failed to unpack package `syn v2.0.106`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   failed to unpack entry at `syn-2.0.106/benches/file.rs`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   failed to unpack `/workspace/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/syn-2.0.106/benches/file.rs`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   failed to unpack `syn-2.0.106/benches/file.rs` into `/workspace/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/syn-2.0.106/benches/file.rs`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   No space left on device (os error 28)


command failed: exit status: 101

warning: no edition set: defaulting to the 2015 edition while the latest is 2024
    Blocking waiting for file lock on package cache
 Downloading crates ...
  Downloaded ryu v1.0.20
  Downloaded libredox v0.1.9
  Downloaded itoa v1.0.15
  Downloaded cfg-if v1.0.3
  Downloaded thiserror v1.0.69
  Downloaded wasi v0.11.1+wasi-snapshot-preview1
  Downloaded bitflags v2.9.4
  Downloaded proc-macro2 v1.0.101
  Downloaded unicode-ident v1.0.19
  Downloaded memchr v2.7.5
  Downloaded serde v1.0.219
  Downloaded serde_derive v1.0.219
  Downloaded serde_json v1.0.143
  Downloaded thiserror-impl v1.0.69
  Downloaded redox_users v0.4.6
  Downloaded dirs-sys v0.3.7
  Downloaded directories v4.0.1
  Downloaded syn v2.0.106
error: failed to unpack package `syn v2.0.106`

Caused by:
  failed to unpack entry at `syn-2.0.106/benches/file.rs`

Caused by:
  failed to unpack `/workspace/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/syn-2.0.106/benches/file.rs`

Caused by:
  failed to unpack `syn-2.0.106/benches/file.rs` into `/workspace/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/syn-2.0.106/benches/file.rs`

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