[INFO] cloning repository https://github.com/task-rs/task-rs
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/task-rs/task-rs" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftask-rs%2Ftask-rs", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftask-rs%2Ftask-rs'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 75326664ab6e5c26bc56dfc1f9a8b848ec9e602d
[INFO] checking task-rs/task-rs against master#a5db378dc14a40dd1580c27fb8362156446382c3 for pr-136490
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftask-rs%2Ftask-rs" "/workspace/builds/worker-4-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/task-rs/task-rs on toolchain a5db378dc14a40dd1580c27fb8362156446382c3
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+a5db378dc14a40dd1580c27fb8362156446382c3" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/task-rs/task-rs
[INFO] finished tweaking git repo https://github.com/task-rs/task-rs
[INFO] tweaked toml for git repo https://github.com/task-rs/task-rs written to /workspace/builds/worker-4-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/task-rs/task-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" "+a5db378dc14a40dd1580c27fb8362156446382c3" "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 base64 v0.12.1
[INFO] [stderr]   Downloaded pipe-trait v0.2.0
[INFO] [stderr]   Downloaded ron v0.6.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/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:c80049f3b88b82089a44e0f06d0d6029d44b96b7257e55a1cd63dbc9f4c33334" "/opt/rustwide/cargo-home/bin/cargo" "+a5db378dc14a40dd1580c27fb8362156446382c3" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 85aac6ecce7fe178ee2433e9867aa945d27ee0de76abd2174703ce45c7efc002
[INFO] running `Command { std: "docker" "start" "-a" "85aac6ecce7fe178ee2433e9867aa945d27ee0de76abd2174703ce45c7efc002", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "85aac6ecce7fe178ee2433e9867aa945d27ee0de76abd2174703ce45c7efc002", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "85aac6ecce7fe178ee2433e9867aa945d27ee0de76abd2174703ce45c7efc002", kill_on_drop: false }`
[INFO] [stdout] 85aac6ecce7fe178ee2433e9867aa945d27ee0de76abd2174703ce45c7efc002


command failed: exit status: 1

Error response from daemon: mkdir /var/lib/docker/overlay2/de64302f0e65c1ca5d277bf2384f3cc1cc610a2828c4a33a03dc5783853268cb/merged: no space left on device