[INFO] cloning repository https://github.com/samo-btc/sample-rust-web-app
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/samo-btc/sample-rust-web-app" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsamo-btc%2Fsample-rust-web-app", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsamo-btc%2Fsample-rust-web-app'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 83945c74e16423b12aa8723616197035d0fd69e4
[INFO] testing samo-btc/sample-rust-web-app against master#1ef7943ee607160a564655b6596f83670ef95df5 for pr-146098-6
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsamo-btc%2Fsample-rust-web-app" "/workspace/builds/worker-0-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-0-tc1/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/samo-btc/sample-rust-web-app
[INFO] finished tweaking git repo https://github.com/samo-btc/sample-rust-web-app
[INFO] tweaked toml for git repo https://github.com/samo-btc/sample-rust-web-app written to /workspace/builds/worker-0-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/samo-btc/sample-rust-web-app 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/samo-btc/sample-rust-web-app 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/ac/ti/actix, error: No space left on device (os error 28)
[INFO] [stderr] error: failed to select a version for the requirement `syn = "^0.15.22"` (locked to 0.15.34)
[INFO] [stderr] candidate versions found which didn't match: 0.15.15, 0.15.14, 0.15.13, ...
[INFO] [stderr] location searched: crates.io index
[INFO] [stderr] required by package `serde_derive v1.0.91`
[INFO] [stderr]     ... which satisfies dependency `serde_derive = "^1.0.91"` (locked to 1.0.91) of package `conduit v0.1.0 (/workspace/builds/worker-0-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/ac/ti/actix, error: No space left on device (os error 28)
error: failed to select a version for the requirement `syn = "^0.15.22"` (locked to 0.15.34)
candidate versions found which didn't match: 0.15.15, 0.15.14, 0.15.13, ...
location searched: crates.io index
required by package `serde_derive v1.0.91`
    ... which satisfies dependency `serde_derive = "^1.0.91"` (locked to 1.0.91) of package `conduit v0.1.0 (/workspace/builds/worker-0-tc1/source)`