[INFO] fetching crate maxpre 0.2.5...
[INFO] testing maxpre-0.2.5 against try#b8e88e5ddf5521a9f43ee3f62a702388c713e4bb for pr-155114
[INFO] extracting crate maxpre 0.2.5 into /workspace/builds/worker-7-tc2/source
[INFO] testing maxpre-0.2.5 against try#b8e88e5ddf5521a9f43ee3f62a702388c713e4bb for pr-155114
[INFO] extracting crate maxpre 0.2.5 into /workspace/builds/worker-7-tc2/source
[INFO] testing maxpre-0.2.5 against try#b8e88e5ddf5521a9f43ee3f62a702388c713e4bb for pr-155114
[INFO] extracting crate maxpre 0.2.5 into /workspace/builds/worker-7-tc2/source
[INFO] testing maxpre-0.2.5 against try#b8e88e5ddf5521a9f43ee3f62a702388c713e4bb for pr-155114
[INFO] extracting crate maxpre 0.2.5 into /workspace/builds/worker-7-tc2/source
[INFO] testing maxpre-0.2.5 against try#b8e88e5ddf5521a9f43ee3f62a702388c713e4bb for pr-155114
[INFO] extracting crate maxpre 0.2.5 into /workspace/builds/worker-7-tc2/source
[INFO] started tweaking crates.io crate maxpre 0.2.5
[INFO] finished tweaking crates.io crate maxpre 0.2.5
[INFO] tweaked toml for crates.io crate maxpre 0.2.5 written to /workspace/builds/worker-7-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate maxpre 0.2.5 on toolchain b8e88e5ddf5521a9f43ee3f62a702388c713e4bb
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+b8e88e5ddf5521a9f43ee3f62a702388c713e4bb" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate maxpre 0.2.5 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" "+b8e88e5ddf5521a9f43ee3f62a702388c713e4bb" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr] error: failed to download `windows_x86_64_msvc v0.52.6`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   unable to get packages from source
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   failed to unpack package `windows_x86_64_msvc v0.52.6`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   failed to unpack entry at `windows_x86_64_msvc-0.52.6/lib/windows.0.52.0.lib`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   failed to unpack `/workspace/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/windows_x86_64_msvc-0.52.6/lib/windows.0.52.0.lib`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   failed to unpack `windows_x86_64_msvc-0.52.6/lib/windows.0.52.0.lib` into `/workspace/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/windows_x86_64_msvc-0.52.6/lib/windows.0.52.0.lib`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   No space left on device (os error 28)


overridden task result to prepare-fail:unknown

Caused by:
    0: uncategorized prepare error
    1: command failed: exit status: 101
       
           Blocking waiting for file lock on package cache
           Blocking waiting for file lock on package cache
        Downloading crates ...
       error: failed to download `windows_x86_64_msvc v0.52.6`
       
       Caused by:
         unable to get packages from source
       
       Caused by:
         failed to unpack package `windows_x86_64_msvc v0.52.6`
       
       Caused by:
         failed to unpack entry at `windows_x86_64_msvc-0.52.6/lib/windows.0.52.0.lib`
       
       Caused by:
         failed to unpack `/workspace/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/windows_x86_64_msvc-0.52.6/lib/windows.0.52.0.lib`
       
       Caused by:
         failed to unpack `windows_x86_64_msvc-0.52.6/lib/windows.0.52.0.lib` into `/workspace/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/windows_x86_64_msvc-0.52.6/lib/windows.0.52.0.lib`
       
       Caused by:
         No space left on device (os error 28)