[INFO] cloning repository https://github.com/manpen/dynamic-weighted-index
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/manpen/dynamic-weighted-index" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmanpen%2Fdynamic-weighted-index", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmanpen%2Fdynamic-weighted-index'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 36c240b26fb984a6b9c55101bd0b4f52078ba125
[INFO] testing manpen/dynamic-weighted-index against master#ad85bc524b1ad696e42061ad8338d382dffbdbe5 for pr-146237
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmanpen%2Fdynamic-weighted-index" "/workspace/builds/worker-4-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4-tc1/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/manpen/dynamic-weighted-index
[INFO] finished tweaking git repo https://github.com/manpen/dynamic-weighted-index
[INFO] tweaked toml for git repo https://github.com/manpen/dynamic-weighted-index written to /workspace/builds/worker-4-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/manpen/dynamic-weighted-index 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 git repo https://github.com/manpen/dynamic-weighted-index 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/ra/nd/rand, error: No space left on device (os error 28)
[INFO] [stderr] error: failed to select a version for the requirement `syn = "^1"` (locked to 1.0.101)
[INFO] [stderr] candidate versions found which didn't match: 0.15.29, 0.15.28, 0.15.27, ...
[INFO] [stderr] location searched: crates.io index
[INFO] [stderr] required by package `structopt-derive v0.4.18`
[INFO] [stderr]     ... which satisfies dependency `structopt-derive = "=0.4.18"` (locked to 0.4.18) of package `structopt v0.3.26`
[INFO] [stderr]     ... which satisfies dependency `structopt = "^0.3"` (locked to 0.3.26) of package `dynamic-weighted-index v0.1.0 (/workspace/builds/worker-4-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/ra/nd/rand, error: No space left on device (os error 28)
error: failed to select a version for the requirement `syn = "^1"` (locked to 1.0.101)
candidate versions found which didn't match: 0.15.29, 0.15.28, 0.15.27, ...
location searched: crates.io index
required by package `structopt-derive v0.4.18`
    ... which satisfies dependency `structopt-derive = "=0.4.18"` (locked to 0.4.18) of package `structopt v0.3.26`
    ... which satisfies dependency `structopt = "^0.3"` (locked to 0.3.26) of package `dynamic-weighted-index v0.1.0 (/workspace/builds/worker-4-tc1/source)`