[INFO] cloning repository https://github.com/rust-lang/calendar-generation
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/rust-lang/calendar-generation" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Frust-lang%2Fcalendar-generation", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Frust-lang%2Fcalendar-generation'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 9bf0ccb9a892094fa232843a31b9c7a441645ffb
[INFO] checking rust-lang/calendar-generation against master#36b21637e93b038453924d3c66821089e71d8baa for pr-143164
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Frust-lang%2Fcalendar-generation" "/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/rust-lang/calendar-generation
[INFO] finished tweaking git repo https://github.com/rust-lang/calendar-generation
[INFO] tweaked toml for git repo https://github.com/rust-lang/calendar-generation written to /workspace/builds/worker-4-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/rust-lang/calendar-generation on toolchain 36b21637e93b038453924d3c66821089e71d8baa
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+36b21637e93b038453924d3c66821089e71d8baa" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/rust-lang/calendar-generation 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" "+36b21637e93b038453924d3c66821089e71d8baa" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded proc-macro2 v1.0.75
[INFO] [stderr] error: failed to unpack package `proc-macro2 v1.0.75`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   failed to unpack entry at `proc-macro2-1.0.75/build/probe.rs`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   failed to unpack `/workspace/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/proc-macro2-1.0.75/build/probe.rs`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   failed to unpack `proc-macro2-1.0.75/build/probe.rs` into `/workspace/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/proc-macro2-1.0.75/build/probe.rs`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   No space left on device (os error 28)


command failed: exit status: 101

    Blocking waiting for file lock on package cache
    Blocking waiting for file lock on package cache
 Downloading crates ...
  Downloaded proc-macro2 v1.0.75
error: failed to unpack package `proc-macro2 v1.0.75`

Caused by:
  failed to unpack entry at `proc-macro2-1.0.75/build/probe.rs`

Caused by:
  failed to unpack `/workspace/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/proc-macro2-1.0.75/build/probe.rs`

Caused by:
  failed to unpack `proc-macro2-1.0.75/build/probe.rs` into `/workspace/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/proc-macro2-1.0.75/build/probe.rs`

Caused by:
  No space left on device (os error 28)