[INFO] cloning repository https://github.com/choko-org/synth-rs
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/choko-org/synth-rs" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fchoko-org%2Fsynth-rs", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fchoko-org%2Fsynth-rs'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] e8ded06eee229ea4b5ff4f3b5ed9040c69291cd0
[INFO] checking choko-org/synth-rs against master#b56aaec52bc0fa35591a872fb4aac81f606e265c for pr-122661-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fchoko-org%2Fsynth-rs" "/workspace/builds/worker-3-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-3-tc1/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/choko-org/synth-rs
[INFO] finished tweaking git repo https://github.com/choko-org/synth-rs
[INFO] tweaked toml for git repo https://github.com/choko-org/synth-rs written to /workspace/builds/worker-3-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/choko-org/synth-rs on toolchain b56aaec52bc0fa35591a872fb4aac81f606e265c
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+b56aaec52bc0fa35591a872fb4aac81f606e265c" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/choko-org/synth-rs 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" "+b56aaec52bc0fa35591a872fb4aac81f606e265c" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded thiserror v1.0.11
[INFO] [stderr]   Downloaded thiserror-impl v1.0.11
[INFO] [stderr] error: failed to unpack package `thiserror-impl v1.0.11`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   failed to unpack entry at `thiserror-impl-1.0.11/src/attr.rs`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   failed to unpack `/workspace/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/thiserror-impl-1.0.11/src/attr.rs`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   failed to unpack `thiserror-impl-1.0.11/src/attr.rs` into `/workspace/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/thiserror-impl-1.0.11/src/attr.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
 Downloading crates ...
  Downloaded thiserror v1.0.11
  Downloaded thiserror-impl v1.0.11
error: failed to unpack package `thiserror-impl v1.0.11`

Caused by:
  failed to unpack entry at `thiserror-impl-1.0.11/src/attr.rs`

Caused by:
  failed to unpack `/workspace/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/thiserror-impl-1.0.11/src/attr.rs`

Caused by:
  failed to unpack `thiserror-impl-1.0.11/src/attr.rs` into `/workspace/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/thiserror-impl-1.0.11/src/attr.rs`

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