[INFO] fetching crate singleflight 0.3.0...
[INFO] checking singleflight-0.3.0 against try#c4ca24658d934444a28db36abebef17a8651701a for pr-144156
[INFO] extracting crate singleflight 0.3.0 into /workspace/builds/worker-1-tc2/source
[INFO] started tweaking crates.io crate singleflight 0.3.0
[INFO] finished tweaking crates.io crate singleflight 0.3.0
[INFO] tweaked toml for crates.io crate singleflight 0.3.0 written to /workspace/builds/worker-1-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate singleflight 0.3.0 on toolchain c4ca24658d934444a28db36abebef17a8651701a
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c4ca24658d934444a28db36abebef17a8651701a" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c4ca24658d934444a28db36abebef17a8651701a" "generate-lockfile" "--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]      Locking 31 packages to latest compatible versions
[INFO] [stderr]       Adding hashbrown v0.14.5 (available: v0.15.4)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c4ca24658d934444a28db36abebef17a8651701a" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:cf8efcab8866f2cf4285301c7418e2f4f2a9b088c91ba69c40d5b659f81557f7" "/opt/rustwide/cargo-home/bin/cargo" "+c4ca24658d934444a28db36abebef17a8651701a" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] d62a96e6b6edf41296c96b91ee47b51d6b2ab3b03b976c13cea61638aa528efa
[INFO] running `Command { std: "docker" "start" "-a" "d62a96e6b6edf41296c96b91ee47b51d6b2ab3b03b976c13cea61638aa528efa", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "d62a96e6b6edf41296c96b91ee47b51d6b2ab3b03b976c13cea61638aa528efa", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d62a96e6b6edf41296c96b91ee47b51d6b2ab3b03b976c13cea61638aa528efa", kill_on_drop: false }`
[INFO] [stdout] d62a96e6b6edf41296c96b91ee47b51d6b2ab3b03b976c13cea61638aa528efa
[INFO] checking singleflight-0.3.0 against try#c4ca24658d934444a28db36abebef17a8651701a for pr-144156
[INFO] extracting crate singleflight 0.3.0 into /workspace/builds/worker-1-tc2/source
[INFO] started tweaking crates.io crate singleflight 0.3.0
[INFO] finished tweaking crates.io crate singleflight 0.3.0
[INFO] tweaked toml for crates.io crate singleflight 0.3.0 written to /workspace/builds/worker-1-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate singleflight 0.3.0 on toolchain c4ca24658d934444a28db36abebef17a8651701a
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c4ca24658d934444a28db36abebef17a8651701a" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c4ca24658d934444a28db36abebef17a8651701a" "generate-lockfile" "--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]      Locking 31 packages to latest compatible versions
[INFO] [stderr]       Adding hashbrown v0.14.5 (available: v0.15.4)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c4ca24658d934444a28db36abebef17a8651701a" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:cf8efcab8866f2cf4285301c7418e2f4f2a9b088c91ba69c40d5b659f81557f7" "/opt/rustwide/cargo-home/bin/cargo" "+c4ca24658d934444a28db36abebef17a8651701a" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stderr] Error response from daemon: mkdir /var/lib/docker/overlay2/2349092c9cfc8ee18c8d2840c69558db996aa40c77e5b1b7d4591b0a7ea1af6d/merged/opt/rustwide: no space left on device
[INFO] checking singleflight-0.3.0 against try#c4ca24658d934444a28db36abebef17a8651701a for pr-144156
[INFO] extracting crate singleflight 0.3.0 into /workspace/builds/worker-1-tc2/source
[INFO] started tweaking crates.io crate singleflight 0.3.0
[INFO] finished tweaking crates.io crate singleflight 0.3.0
[INFO] tweaked toml for crates.io crate singleflight 0.3.0 written to /workspace/builds/worker-1-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate singleflight 0.3.0 on toolchain c4ca24658d934444a28db36abebef17a8651701a
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c4ca24658d934444a28db36abebef17a8651701a" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c4ca24658d934444a28db36abebef17a8651701a" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr] error: failed to write /workspace/builds/worker-1-tc2/source/Cargo.lock
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   No space left on device (os error 28)
[INFO] checking singleflight-0.3.0 against try#c4ca24658d934444a28db36abebef17a8651701a for pr-144156
[INFO] extracting crate singleflight 0.3.0 into /workspace/builds/worker-1-tc2/source
[INFO] checking singleflight-0.3.0 against try#c4ca24658d934444a28db36abebef17a8651701a for pr-144156
[INFO] extracting crate singleflight 0.3.0 into /workspace/builds/worker-1-tc2/source


unable to download singleflight version 0.3.0

Caused by:
    0: failed to unpack `singleflight-0.3.0/src/lib.rs` into `/workspace/builds/worker-1-tc2/source/src/lib.rs`
    1: No space left on device (os error 28)