[INFO] fetching crate youtube_dl 0.10.0...
[INFO] testing youtube_dl-0.10.0 against master#1ef7943ee607160a564655b6596f83670ef95df5 for pr-146098-6
[INFO] extracting crate youtube_dl 0.10.0 into /workspace/builds/worker-3-tc1/source
[INFO] started tweaking crates.io crate youtube_dl 0.10.0
[INFO] removed 0 missing examples
[INFO] finished tweaking crates.io crate youtube_dl 0.10.0
[INFO] tweaked toml for crates.io crate youtube_dl 0.10.0 written to /workspace/builds/worker-3-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate youtube_dl 0.10.0 on toolchain 1ef7943ee607160a564655b6596f83670ef95df5
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1ef7943ee607160a564655b6596f83670ef95df5" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate youtube_dl 0.10.0 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" "+1ef7943ee607160a564655b6596f83670ef95df5" "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/3/l/log, error: No space left on device (os error 28)
[INFO] [stderr] error: failed to select a version for the requirement `tokio = "^1"` (locked to 1.37.0)
[INFO] [stderr] candidate versions found which didn't match: 1.23.0, 1.22.0, 1.21.2, ...
[INFO] [stderr] location searched: crates.io index
[INFO] [stderr] required by package `youtube_dl v0.10.0 (/workspace/builds/worker-3-tc1/source)`
[INFO] [stderr] if you are looking for the prerelease package it needs to be specified explicitly
[INFO] [stderr]     tokio = { version = "0.2.0-alpha.6" }


command failed: exit status: 101

    Blocking waiting for file lock on package cache
    Updating crates.io index
warning: failed to write cache, path: /workspace/cargo-home/registry/index/index.crates.io-1949cf8c6b5b557f/.cache/3/l/log, error: No space left on device (os error 28)
error: failed to select a version for the requirement `tokio = "^1"` (locked to 1.37.0)
candidate versions found which didn't match: 1.23.0, 1.22.0, 1.21.2, ...
location searched: crates.io index
required by package `youtube_dl v0.10.0 (/workspace/builds/worker-3-tc1/source)`
if you are looking for the prerelease package it needs to be specified explicitly
    tokio = { version = "0.2.0-alpha.6" }