[INFO] cloning repository https://github.com/rea1bacon/microgradrust
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/rea1bacon/microgradrust" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Frea1bacon%2Fmicrogradrust", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Frea1bacon%2Fmicrogradrust'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 3b6662a3c83d45b9203168a90afdfe4599cf1350
[INFO] checking rea1bacon/microgradrust against master#b56aaec52bc0fa35591a872fb4aac81f606e265c for pr-122661-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Frea1bacon%2Fmicrogradrust" "/workspace/builds/worker-0-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-0-tc1/source'...
[INFO] [stderr] done.
[INFO] [stderr] Updating files:  67% (430/641)
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Updating files: 100% (641/641), done.
[INFO] started tweaking git repo https://github.com/rea1bacon/microgradrust
[INFO] finished tweaking git repo https://github.com/rea1bacon/microgradrust
[INFO] tweaked toml for git repo https://github.com/rea1bacon/microgradrust written to /workspace/builds/worker-0-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/rea1bacon/microgradrust 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/rea1bacon/microgradrust 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] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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:cf8efcab8866f2cf4285301c7418e2f4f2a9b088c91ba69c40d5b659f81557f7" "/opt/rustwide/cargo-home/bin/cargo" "+b56aaec52bc0fa35591a872fb4aac81f606e265c" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 1cf072f16e0fb59e85735953e82ca63c3853c46cff09348b2b63df321b28cdf0
[INFO] running `Command { std: "docker" "start" "-a" "1cf072f16e0fb59e85735953e82ca63c3853c46cff09348b2b63df321b28cdf0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "1cf072f16e0fb59e85735953e82ca63c3853c46cff09348b2b63df321b28cdf0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1cf072f16e0fb59e85735953e82ca63c3853c46cff09348b2b63df321b28cdf0", kill_on_drop: false }`
[INFO] [stdout] 1cf072f16e0fb59e85735953e82ca63c3853c46cff09348b2b63df321b28cdf0


command failed: exit status: 1

Error response from daemon: failed to create task for container: failed to create shim task: OCI runtime create failed: runc create failed: unable to start container process: error during container init: error mounting "/var/lib/crater-agent-workspace/cargo-home" to rootfs at "/opt/rustwide/cargo-home": create mountpoint for /opt/rustwide/cargo-home mount: mkdirat /var/lib/docker/overlay2/f5c0146a75ade24c5f8ae74ec5ffa9adc146d1e1bd17890a0579eb976f23c612/merged/opt/rustwide/cargo-home: no space left on device: unknown