[INFO] fetching crate ruszt-macros 0.0.2...
[INFO] testing ruszt-macros-0.0.2 against try#9f93af291970322f4f1c6315ccde4d7078201159 for pr-146098-6
[INFO] extracting crate ruszt-macros 0.0.2 into /workspace/builds/worker-4-tc2/source
[INFO] started tweaking crates.io crate ruszt-macros 0.0.2
[INFO] finished tweaking crates.io crate ruszt-macros 0.0.2
[INFO] tweaked toml for crates.io crate ruszt-macros 0.0.2 written to /workspace/builds/worker-4-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate ruszt-macros 0.0.2 on toolchain 9f93af291970322f4f1c6315ccde4d7078201159
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+9f93af291970322f4f1c6315ccde4d7078201159" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate ruszt-macros 0.0.2 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" "+9f93af291970322f4f1c6315ccde4d7078201159" "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] error: failed to select a version for the requirement `syn = "^2.0"` (locked to 2.0.100)
[INFO] [stderr] candidate versions found which didn't match: 1.0.34, 1.0.33, 1.0.32, ...
[INFO] [stderr] location searched: crates.io index
[INFO] [stderr] required by package `ruszt-macros v0.0.2 (/workspace/builds/worker-4-tc2/source)`
[INFO] testing ruszt-macros-0.0.2 against try#9f93af291970322f4f1c6315ccde4d7078201159 for pr-146098-6
[INFO] extracting crate ruszt-macros 0.0.2 into /workspace/builds/worker-4-tc2/source
[INFO] testing ruszt-macros-0.0.2 against try#9f93af291970322f4f1c6315ccde4d7078201159 for pr-146098-6
[INFO] extracting crate ruszt-macros 0.0.2 into /workspace/builds/worker-4-tc2/source
[INFO] testing ruszt-macros-0.0.2 against try#9f93af291970322f4f1c6315ccde4d7078201159 for pr-146098-6
[INFO] extracting crate ruszt-macros 0.0.2 into /workspace/builds/worker-4-tc2/source
[INFO] testing ruszt-macros-0.0.2 against try#9f93af291970322f4f1c6315ccde4d7078201159 for pr-146098-6
[INFO] extracting crate ruszt-macros 0.0.2 into /workspace/builds/worker-4-tc2/source


unable to download ruszt-macros version 0.0.2

Caused by:
    0: failed to unpack `ruszt-macros-0.0.2/src/lib.rs` into `/workspace/builds/worker-4-tc2/source/src/lib.rs`
    1: No space left on device (os error 28)