[INFO] cloning repository https://github.com/ductai199x/learn-rust
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/ductai199x/learn-rust" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fductai199x%2Flearn-rust", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fductai199x%2Flearn-rust'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] f8bf0c31c20ca6a47ad8ecbc7c58eb5d6ac34d61
[INFO] testing ductai199x/learn-rust/f8bf0c31c20ca6a47ad8ecbc7c58eb5d6ac34d61 against master#b03b3a7ec92682be2917540b679478d41c95a30c for pr-137122-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fductai199x%2Flearn-rust" "/workspace/builds/worker-7-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-7-tc1/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/ductai199x/learn-rust
[INFO] finished tweaking git repo https://github.com/ductai199x/learn-rust
[INFO] tweaked toml for git repo https://github.com/ductai199x/learn-rust written to /workspace/builds/worker-7-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/ductai199x/learn-rust on toolchain b03b3a7ec92682be2917540b679478d41c95a30c
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+b03b3a7ec92682be2917540b679478d41c95a30c" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/ductai199x/learn-rust 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" "+b03b3a7ec92682be2917540b679478d41c95a30c" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded erased-serde v0.3.17
[INFO] [stderr]   Downloaded fstrings-proc-macro v0.2.4-rc2
[INFO] [stderr]   Downloaded fstrings v0.2.4-rc2
[INFO] [stderr] error: No space left on device (os error 28)


command failed: exit status: 101

    Updating crates.io index
    Blocking waiting for file lock on package cache
 Downloading crates ...
  Downloaded erased-serde v0.3.17
  Downloaded fstrings-proc-macro v0.2.4-rc2
  Downloaded fstrings v0.2.4-rc2
error: No space left on device (os error 28)