[INFO] fetching crate lichess-api 0.7.0...
[INFO] testing lichess-api-0.7.0 against try#dec9417b8611e34e787a3e4c37686b5131f9e5c5 for pr-154210
[INFO] extracting crate lichess-api 0.7.0 into /workspace/builds/worker-5-tc2/source
[INFO] testing lichess-api-0.7.0 against try#dec9417b8611e34e787a3e4c37686b5131f9e5c5 for pr-154210
[INFO] extracting crate lichess-api 0.7.0 into /workspace/builds/worker-5-tc2/source
[INFO] started tweaking crates.io crate lichess-api 0.7.0
[INFO] removed 0 missing tests
[INFO] finished tweaking crates.io crate lichess-api 0.7.0
[INFO] tweaked toml for crates.io crate lichess-api 0.7.0 written to /workspace/builds/worker-5-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate lichess-api 0.7.0 on toolchain dec9417b8611e34e787a3e4c37686b5131f9e5c5
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+dec9417b8611e34e787a3e4c37686b5131f9e5c5" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate lichess-api 0.7.0 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" "+dec9417b8611e34e787a3e4c37686b5131f9e5c5" "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] warning: failed to write cache, path: /workspace/cargo-home/registry/index/index.crates.io-1949cf8c6b5b557f/.cache/as/yn/async-std, error: No space left on device (os error 28)
[INFO] [stderr] error: failed to select a version for the requirement `serde_derive = "=1.0.219"` (locked to 1.0.219)
[INFO] [stderr] candidate versions found which didn't match: 1.0.121, 1.0.120, 1.0.119, ...
[INFO] [stderr] location searched: crates.io index
[INFO] [stderr] required by package `serde v1.0.219`
[INFO] [stderr]     ... which satisfies dependency `serde = "^1.0.219"` (locked to 1.0.219) of package `lichess-api v0.7.0 (/workspace/builds/worker-5-tc2/source)`
[INFO] [stderr] if you are looking for the prerelease package it needs to be specified explicitly
[INFO] [stderr]     serde_derive = { version = "0.9.0-rc4" }
[INFO] testing lichess-api-0.7.0 against try#dec9417b8611e34e787a3e4c37686b5131f9e5c5 for pr-154210
[INFO] extracting crate lichess-api 0.7.0 into /workspace/builds/worker-5-tc2/source
[INFO] started tweaking crates.io crate lichess-api 0.7.0
[INFO] removed 0 missing tests
[INFO] finished tweaking crates.io crate lichess-api 0.7.0
[INFO] tweaked toml for crates.io crate lichess-api 0.7.0 written to /workspace/builds/worker-5-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate lichess-api 0.7.0 on toolchain dec9417b8611e34e787a3e4c37686b5131f9e5c5
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+dec9417b8611e34e787a3e4c37686b5131f9e5c5" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate lichess-api 0.7.0 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" "+dec9417b8611e34e787a3e4c37686b5131f9e5c5" "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] warning: failed to write cache, path: /workspace/cargo-home/registry/index/index.crates.io-1949cf8c6b5b557f/.cache/as/yn/async-std, error: No space left on device (os error 28)
[INFO] [stderr] error: failed to select a version for the requirement `serde_derive = "=1.0.219"` (locked to 1.0.219)
[INFO] [stderr] candidate versions found which didn't match: 1.0.121, 1.0.120, 1.0.119, ...
[INFO] [stderr] location searched: crates.io index
[INFO] [stderr] required by package `serde v1.0.219`
[INFO] [stderr]     ... which satisfies dependency `serde = "^1.0.219"` (locked to 1.0.219) of package `lichess-api v0.7.0 (/workspace/builds/worker-5-tc2/source)`
[INFO] [stderr] if you are looking for the prerelease package it needs to be specified explicitly
[INFO] [stderr]     serde_derive = { version = "0.9.0-rc4" }
[INFO] testing lichess-api-0.7.0 against try#dec9417b8611e34e787a3e4c37686b5131f9e5c5 for pr-154210
[INFO] extracting crate lichess-api 0.7.0 into /workspace/builds/worker-5-tc2/source
[INFO] testing lichess-api-0.7.0 against try#dec9417b8611e34e787a3e4c37686b5131f9e5c5 for pr-154210
[INFO] extracting crate lichess-api 0.7.0 into /workspace/builds/worker-5-tc2/source


overridden task result to prepare-fail:unknown

Caused by:
    0: uncategorized prepare error
    1: unable to download lichess-api version 0.7.0
    2: failed to unpack `lichess-api-0.7.0/tests/tests.rs` into `/workspace/builds/worker-5-tc2/source/tests/tests.rs`
    3: No space left on device (os error 28)