[INFO] cloning repository https://github.com/vbell0/discord-bot
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/vbell0/discord-bot" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fvbell0%2Fdiscord-bot", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fvbell0%2Fdiscord-bot'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] f5fa93d03fd2cc4ba7755c243681369109210d2f
[INFO] testing vbell0/discord-bot against master#1ef7943ee607160a564655b6596f83670ef95df5 for pr-146098-6
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fvbell0%2Fdiscord-bot" "/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/vbell0/discord-bot
[INFO] finished tweaking git repo https://github.com/vbell0/discord-bot
[INFO] tweaked toml for git repo https://github.com/vbell0/discord-bot written to /workspace/builds/worker-5-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/vbell0/discord-bot 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/vbell0/discord-bot 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/se/re/serenity, error: No space left on device (os error 28)
[INFO] [stderr] error: failed to select a version for the requirement `syn = "^1.0.84"` (locked to 1.0.90)
[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 `async-trait v0.1.53`
[INFO] [stderr]     ... which satisfies dependency `async-trait = "^0.1"` (locked to 0.1.53) of package `serenity v0.9.4`
[INFO] [stderr]     ... which satisfies dependency `serenity = "^0.9.0-rc.1"` (locked to 0.9.4) of package `discord-help-bot 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/se/re/serenity, error: No space left on device (os error 28)
error: failed to select a version for the requirement `syn = "^1.0.84"` (locked to 1.0.90)
candidate versions found which didn't match: 0.15.33, 0.15.32, 0.15.31, ...
location searched: crates.io index
required by package `async-trait v0.1.53`
    ... which satisfies dependency `async-trait = "^0.1"` (locked to 0.1.53) of package `serenity v0.9.4`
    ... which satisfies dependency `serenity = "^0.9.0-rc.1"` (locked to 0.9.4) of package `discord-help-bot v0.1.0 (/workspace/builds/worker-5-tc1/source)`