[INFO] fetching crate offline-chess-puzzles 2.8.22...
[INFO] testing offline-chess-puzzles-2.8.22 against master#ad85bc524b1ad696e42061ad8338d382dffbdbe5 for pr-146237
[INFO] extracting crate offline-chess-puzzles 2.8.22 into /workspace/builds/worker-4-tc1/source
[INFO] removed /workspace/builds/worker-4-tc1/source/.cargo/config.toml
[INFO] started tweaking crates.io crate offline-chess-puzzles 2.8.22
[INFO] finished tweaking crates.io crate offline-chess-puzzles 2.8.22
[INFO] tweaked toml for crates.io crate offline-chess-puzzles 2.8.22 written to /workspace/builds/worker-4-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate offline-chess-puzzles 2.8.22 on toolchain ad85bc524b1ad696e42061ad8338d382dffbdbe5
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ad85bc524b1ad696e42061ad8338d382dffbdbe5" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate offline-chess-puzzles 2.8.22 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" "+ad85bc524b1ad696e42061ad8338d382dffbdbe5" "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/ch/es/chess, error: No space left on device (os error 28)
[INFO] [stderr] error: failed to select a version for the requirement `reqwest = "^0.12.12"` (locked to 0.12.23)
[INFO] [stderr] candidate versions found which didn't match: 0.10.4, 0.10.3, 0.10.2, ...
[INFO] [stderr] location searched: crates.io index
[INFO] [stderr] required by package `offline-chess-puzzles v2.8.22 (/workspace/builds/worker-4-tc1/source)`
[INFO] [stderr] if you are looking for the prerelease package it needs to be specified explicitly
[INFO] [stderr]     reqwest = { version = "0.10.0-alpha.2" }


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/ch/es/chess, error: No space left on device (os error 28)
error: failed to select a version for the requirement `reqwest = "^0.12.12"` (locked to 0.12.23)
candidate versions found which didn't match: 0.10.4, 0.10.3, 0.10.2, ...
location searched: crates.io index
required by package `offline-chess-puzzles v2.8.22 (/workspace/builds/worker-4-tc1/source)`
if you are looking for the prerelease package it needs to be specified explicitly
    reqwest = { version = "0.10.0-alpha.2" }