[INFO] cloning repository https://github.com/nameses/rust.lab1
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/nameses/rust.lab1" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fnameses%2Frust.lab1", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fnameses%2Frust.lab1'...
[INFO] [stderr] fatal: error closing file /workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fnameses%2Frust.lab1/packed-refs.new: No space left on device
[WARN] Retrying crate fetch in 3 seconds (attempt 1)
[INFO] cloning repository https://github.com/nameses/rust.lab1
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/nameses/rust.lab1" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fnameses%2Frust.lab1", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fnameses%2Frust.lab1'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 8e62f2b044ab5b2416ba7fa6bdf022bd352e2066
[INFO] building nameses/rust.lab1 against try#9b5e8b16bd1c4acf4cf8e6880368314cf021a987+rustflags=-Dtail-expr-drop-order for pr-134523
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fnameses%2Frust.lab1" "/workspace/builds/worker-2-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-2-tc2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/nameses/rust.lab1 on toolchain 9b5e8b16bd1c4acf4cf8e6880368314cf021a987
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+9b5e8b16bd1c4acf4cf8e6880368314cf021a987" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/nameses/rust.lab1
[INFO] finished tweaking git repo https://github.com/nameses/rust.lab1
[INFO] tweaked toml for git repo https://github.com/nameses/rust.lab1 written to /workspace/builds/worker-2-tc2/source/Cargo.toml
[INFO] crate git repo https://github.com/nameses/rust.lab1 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" "+9b5e8b16bd1c4acf4cf8e6880368314cf021a987" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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" "+9b5e8b16bd1c4acf4cf8e6880368314cf021a987" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 19219c5ffd6d8069096e15bb3645cdc177bc50c38cb75760869b3d6743502b86
[INFO] running `Command { std: "docker" "start" "-a" "19219c5ffd6d8069096e15bb3645cdc177bc50c38cb75760869b3d6743502b86", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "19219c5ffd6d8069096e15bb3645cdc177bc50c38cb75760869b3d6743502b86", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "19219c5ffd6d8069096e15bb3645cdc177bc50c38cb75760869b3d6743502b86", kill_on_drop: false }`
[INFO] [stdout] 19219c5ffd6d8069096e15bb3645cdc177bc50c38cb75760869b3d6743502b86
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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 -Dtail-expr-drop-order" "-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" "+9b5e8b16bd1c4acf4cf8e6880368314cf021a987" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 97f3e6db01bb99223d6317c3c25769bf4e0fbc518cca383548593f88235cb50d
[INFO] running `Command { std: "docker" "start" "-a" "97f3e6db01bb99223d6317c3c25769bf4e0fbc518cca383548593f88235cb50d", 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-2-tc2/target" to rootfs at "/opt/rustwide/target": mkdir /var/lib/docker/overlay2/ba38d588bea4fd7399a21dfca272ab9563c51186c0857d379b66222d29a8dd9b/merged/opt/rustwide/target: no space left on device: unknown
[INFO] running `Command { std: "docker" "inspect" "97f3e6db01bb99223d6317c3c25769bf4e0fbc518cca383548593f88235cb50d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "97f3e6db01bb99223d6317c3c25769bf4e0fbc518cca383548593f88235cb50d", kill_on_drop: false }`
[INFO] [stdout] 97f3e6db01bb99223d6317c3c25769bf4e0fbc518cca383548593f88235cb50d