[INFO] fetching crate optional_struct 0.5.2...
[INFO] checking optional_struct-0.5.2 against try#fafe42c59556a4233f03dd0d900b575a9afeece8 for pr-143764
[INFO] extracting crate optional_struct 0.5.2 into /workspace/builds/worker-6-tc2/source
[INFO] checking optional_struct-0.5.2 against try#fafe42c59556a4233f03dd0d900b575a9afeece8 for pr-143764
[INFO] extracting crate optional_struct 0.5.2 into /workspace/builds/worker-6-tc2/source
[INFO] checking optional_struct-0.5.2 against try#fafe42c59556a4233f03dd0d900b575a9afeece8 for pr-143764
[INFO] extracting crate optional_struct 0.5.2 into /workspace/builds/worker-6-tc2/source
[INFO] checking optional_struct-0.5.2 against try#fafe42c59556a4233f03dd0d900b575a9afeece8 for pr-143764
[INFO] extracting crate optional_struct 0.5.2 into /workspace/builds/worker-6-tc2/source
[INFO] checking optional_struct-0.5.2 against try#fafe42c59556a4233f03dd0d900b575a9afeece8 for pr-143764
[INFO] extracting crate optional_struct 0.5.2 into /workspace/builds/worker-6-tc2/source


unable to download optional_struct version 0.5.2

Caused by:
    0: failed to unpack `optional_struct-0.5.2/.cargo_vcs_info.json` into `/workspace/builds/worker-6-tc2/source/.cargo_vcs_info.json`
    1: No space left on device (os error 28)