[INFO] cloning repository https://github.com/venkateshrajan/chess
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/venkateshrajan/chess" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fvenkateshrajan%2Fchess", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fvenkateshrajan%2Fchess'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] c911e257f47588fcde707c830396a141ed10ed2f
[INFO] testing venkateshrajan/chess against master#1ef7943ee607160a564655b6596f83670ef95df5 for pr-146098-6
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fvenkateshrajan%2Fchess" "/workspace/builds/worker-5-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-5-tc1/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/venkateshrajan/chess
[INFO] finished tweaking git repo https://github.com/venkateshrajan/chess
[INFO] tweaked toml for git repo https://github.com/venkateshrajan/chess written to /workspace/builds/worker-5-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/venkateshrajan/chess 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 git repo https://github.com/venkateshrajan/chess 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/pr/et/pretty_assertions, error: No space left on device (os error 28)
[INFO] [stderr] error: failed to select a version for the requirement `syn = "^1.0.98"` (locked to 1.0.109)
[INFO] [stderr] candidate versions found which didn't match: 0.15.33, 0.15.32, 0.15.31, ...
[INFO] [stderr] location searched: crates.io index
[INFO] [stderr] required by package `ctor v0.1.26`
[INFO] [stderr]     ... which satisfies dependency `ctor = "^0.1.9"` (locked to 0.1.26) of package `pretty_assertions v1.3.0`
[INFO] [stderr]     ... which satisfies dependency `pretty_assertions = "^1.2.1"` (locked to 1.3.0) of package `chess v0.1.0 (/workspace/builds/worker-5-tc1/source)`


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/pr/et/pretty_assertions, error: No space left on device (os error 28)
error: failed to select a version for the requirement `syn = "^1.0.98"` (locked to 1.0.109)
candidate versions found which didn't match: 0.15.33, 0.15.32, 0.15.31, ...
location searched: crates.io index
required by package `ctor v0.1.26`
    ... which satisfies dependency `ctor = "^0.1.9"` (locked to 0.1.26) of package `pretty_assertions v1.3.0`
    ... which satisfies dependency `pretty_assertions = "^1.2.1"` (locked to 1.3.0) of package `chess v0.1.0 (/workspace/builds/worker-5-tc1/source)`