[INFO] cloning repository https://github.com/me6u6/multi_thread
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/me6u6/multi_thread" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fme6u6%2Fmulti_thread", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fme6u6%2Fmulti_thread'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 4b38d60226d417231fa77428a373a03ec8983de8
[INFO] building me6u6/multi_thread against try#334963c956d25708feab489a3816ae63f639355d for pr-135216
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fme6u6%2Fmulti_thread" "/workspace/builds/worker-4-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4-tc2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/me6u6/multi_thread on toolchain 334963c956d25708feab489a3816ae63f639355d
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+334963c956d25708feab489a3816ae63f639355d" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/me6u6/multi_thread
[INFO] finished tweaking git repo https://github.com/me6u6/multi_thread
[INFO] tweaked toml for git repo https://github.com/me6u6/multi_thread written to /workspace/builds/worker-4-tc2/source/Cargo.toml
[INFO] crate git repo https://github.com/me6u6/multi_thread 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" "+334963c956d25708feab489a3816ae63f639355d" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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:f3a9d4ad9d972b27faf3965f35b62e55ba32bbce8f20bc8fe909558a86702fde" "/opt/rustwide/cargo-home/bin/cargo" "+334963c956d25708feab489a3816ae63f639355d" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] a10436a2135e82b29404f6da74c78a42aab41895a208b54d7ceaf47e6571e4cd
[INFO] running `Command { std: "docker" "start" "-a" "a10436a2135e82b29404f6da74c78a42aab41895a208b54d7ceaf47e6571e4cd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "a10436a2135e82b29404f6da74c78a42aab41895a208b54d7ceaf47e6571e4cd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a10436a2135e82b29404f6da74c78a42aab41895a208b54d7ceaf47e6571e4cd", kill_on_drop: false }`
[INFO] [stdout] a10436a2135e82b29404f6da74c78a42aab41895a208b54d7ceaf47e6571e4cd
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-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:f3a9d4ad9d972b27faf3965f35b62e55ba32bbce8f20bc8fe909558a86702fde" "/opt/rustwide/cargo-home/bin/cargo" "+334963c956d25708feab489a3816ae63f639355d" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 927f9d8eed8b700dcd7eeb4a1ec4cc31a499ec88bcbe25f45d63bbda1483fb6e
[INFO] running `Command { std: "docker" "start" "-a" "927f9d8eed8b700dcd7eeb4a1ec4cc31a499ec88bcbe25f45d63bbda1483fb6e", kill_on_drop: false }`
[INFO] [stderr] 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/builds/worker-4-tc2/target" to rootfs at "/opt/rustwide/target": mkdir /var/lib/docker/overlay2/f3a54ca21c2a83fffd8dbb039a433af004ac9646ee91788be3adcba6f034b600/merged/opt/rustwide/target: no space left on device: unknown
[INFO] running `Command { std: "docker" "inspect" "927f9d8eed8b700dcd7eeb4a1ec4cc31a499ec88bcbe25f45d63bbda1483fb6e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "927f9d8eed8b700dcd7eeb4a1ec4cc31a499ec88bcbe25f45d63bbda1483fb6e", kill_on_drop: false }`
[INFO] [stdout] 927f9d8eed8b700dcd7eeb4a1ec4cc31a499ec88bcbe25f45d63bbda1483fb6e