[INFO] fetching crate mugle_servers 5.2.0-alpha.5...
[INFO] testing mugle_servers-5.2.0-alpha.5 against beta-2026-01-20 for beta-1.94-1
[INFO] extracting crate mugle_servers 5.2.0-alpha.5 into /workspace/builds/worker-7-tc2/source
[INFO] started tweaking crates.io crate mugle_servers 5.2.0-alpha.5
[INFO] finished tweaking crates.io crate mugle_servers 5.2.0-alpha.5
[INFO] tweaked toml for crates.io crate mugle_servers 5.2.0-alpha.5 written to /workspace/builds/worker-7-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate mugle_servers 5.2.0-alpha.5 on toolchain beta-2026-01-20
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2026-01-20" "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" "+beta-2026-01-20" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]      Locking 305 packages to latest compatible versions
[INFO] [stderr]       Adding http v0.2.12 (available: v1.4.0)
[INFO] [stderr]       Adding hyper v0.13.10 (available: v1.8.1)
[INFO] [stderr]       Adding hyper-rustls v0.20.0 (available: v0.27.7)
[INFO] [stderr]       Adding rand v0.6.5 (available: v0.9.2)
[INFO] [stderr]       Adding subtle v2.4.1 (available: v2.6.1)
[INFO] [stderr]       Adding tokio v0.2.25 (available: v1.49.0)
[INFO] [stderr]       Adding tokio-util v0.2.0 (available: v0.7.18)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2026-01-20" "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] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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@sha256:98afbf2d16093dec2546ff8915fddc74e65664aa03fc460b3712b1c2c54a33e4" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2026-01-20" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stderr] Error response from daemon: mkdir /var/lib/docker/overlay2/06163337f532c9a463cbe0fe3deac1f0add478e5a599b49be4891f53049d55c5-init: no space left on device
[INFO] testing mugle_servers-5.2.0-alpha.5 against beta-2026-01-20 for beta-1.94-1
[INFO] extracting crate mugle_servers 5.2.0-alpha.5 into /workspace/builds/worker-7-tc2/source
[INFO] started tweaking crates.io crate mugle_servers 5.2.0-alpha.5
[INFO] finished tweaking crates.io crate mugle_servers 5.2.0-alpha.5
[INFO] tweaked toml for crates.io crate mugle_servers 5.2.0-alpha.5 written to /workspace/builds/worker-7-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate mugle_servers 5.2.0-alpha.5 on toolchain beta-2026-01-20
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2026-01-20" "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" "+beta-2026-01-20" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]      Locking 305 packages to latest compatible versions
[INFO] [stderr]       Adding http v0.2.12 (available: v1.4.0)
[INFO] [stderr]       Adding hyper v0.13.10 (available: v1.8.1)
[INFO] [stderr]       Adding hyper-rustls v0.20.0 (available: v0.27.7)
[INFO] [stderr]       Adding rand v0.6.5 (available: v0.9.2)
[INFO] [stderr]       Adding subtle v2.4.1 (available: v2.6.1)
[INFO] [stderr]       Adding tokio v0.2.25 (available: v1.49.0)
[INFO] [stderr]       Adding tokio-util v0.2.0 (available: v0.7.18)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2026-01-20" "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] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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@sha256:98afbf2d16093dec2546ff8915fddc74e65664aa03fc460b3712b1c2c54a33e4" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2026-01-20" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stderr] Error response from daemon: mkdir /var/lib/docker/overlay2/7c606b03f5176b927d7cffeaaa3ed3faef46dc23a3ef2a0952d46356e8e73b77-init: no space left on device
[INFO] testing mugle_servers-5.2.0-alpha.5 against beta-2026-01-20 for beta-1.94-1
[INFO] extracting crate mugle_servers 5.2.0-alpha.5 into /workspace/builds/worker-7-tc2/source
[INFO] started tweaking crates.io crate mugle_servers 5.2.0-alpha.5
[INFO] finished tweaking crates.io crate mugle_servers 5.2.0-alpha.5
[INFO] tweaked toml for crates.io crate mugle_servers 5.2.0-alpha.5 written to /workspace/builds/worker-7-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate mugle_servers 5.2.0-alpha.5 on toolchain beta-2026-01-20
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2026-01-20" "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" "+beta-2026-01-20" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]      Locking 305 packages to latest compatible versions
[INFO] [stderr]       Adding http v0.2.12 (available: v1.4.0)
[INFO] [stderr]       Adding hyper v0.13.10 (available: v1.8.1)
[INFO] [stderr]       Adding hyper-rustls v0.20.0 (available: v0.27.7)
[INFO] [stderr]       Adding rand v0.6.5 (available: v0.9.2)
[INFO] [stderr]       Adding subtle v2.4.1 (available: v2.6.1)
[INFO] [stderr]       Adding tokio v0.2.25 (available: v1.49.0)
[INFO] [stderr]       Adding tokio-util v0.2.0 (available: v0.7.18)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2026-01-20" "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] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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@sha256:98afbf2d16093dec2546ff8915fddc74e65664aa03fc460b3712b1c2c54a33e4" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2026-01-20" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stderr] Error response from daemon: mkdir /var/lib/docker/overlay2/596c3cab3c38f710352049248dda6b7531e6bf76f103665f81025b57173f203b-init: no space left on device
[INFO] testing mugle_servers-5.2.0-alpha.5 against beta-2026-01-20 for beta-1.94-1
[INFO] extracting crate mugle_servers 5.2.0-alpha.5 into /workspace/builds/worker-7-tc2/source
[INFO] started tweaking crates.io crate mugle_servers 5.2.0-alpha.5
[INFO] finished tweaking crates.io crate mugle_servers 5.2.0-alpha.5
[INFO] tweaked toml for crates.io crate mugle_servers 5.2.0-alpha.5 written to /workspace/builds/worker-7-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate mugle_servers 5.2.0-alpha.5 on toolchain beta-2026-01-20
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2026-01-20" "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" "+beta-2026-01-20" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]      Locking 305 packages to latest compatible versions
[INFO] [stderr]       Adding http v0.2.12 (available: v1.4.0)
[INFO] [stderr]       Adding hyper v0.13.10 (available: v1.8.1)
[INFO] [stderr]       Adding hyper-rustls v0.20.0 (available: v0.27.7)
[INFO] [stderr]       Adding rand v0.6.5 (available: v0.9.2)
[INFO] [stderr]       Adding subtle v2.4.1 (available: v2.6.1)
[INFO] [stderr]       Adding tokio v0.2.25 (available: v1.49.0)
[INFO] [stderr]       Adding tokio-util v0.2.0 (available: v0.7.18)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2026-01-20" "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] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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@sha256:98afbf2d16093dec2546ff8915fddc74e65664aa03fc460b3712b1c2c54a33e4" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2026-01-20" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stderr] Error response from daemon: mkdir /var/lib/docker/overlay2/0826f21c8bb01fb03ace3f6af4f349748dc288908f35a08240f870506a053f09-init: no space left on device
[INFO] testing mugle_servers-5.2.0-alpha.5 against beta-2026-01-20 for beta-1.94-1
[INFO] extracting crate mugle_servers 5.2.0-alpha.5 into /workspace/builds/worker-7-tc2/source
[INFO] started tweaking crates.io crate mugle_servers 5.2.0-alpha.5
[INFO] finished tweaking crates.io crate mugle_servers 5.2.0-alpha.5
[INFO] tweaked toml for crates.io crate mugle_servers 5.2.0-alpha.5 written to /workspace/builds/worker-7-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate mugle_servers 5.2.0-alpha.5 on toolchain beta-2026-01-20
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2026-01-20" "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" "+beta-2026-01-20" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]      Locking 305 packages to latest compatible versions
[INFO] [stderr]       Adding http v0.2.12 (available: v1.4.0)
[INFO] [stderr]       Adding hyper v0.13.10 (available: v1.8.1)
[INFO] [stderr]       Adding hyper-rustls v0.20.0 (available: v0.27.7)
[INFO] [stderr]       Adding rand v0.6.5 (available: v0.9.2)
[INFO] [stderr]       Adding subtle v2.4.1 (available: v2.6.1)
[INFO] [stderr]       Adding tokio v0.2.25 (available: v1.49.0)
[INFO] [stderr]       Adding tokio-util v0.2.0 (available: v0.7.18)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2026-01-20" "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] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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@sha256:98afbf2d16093dec2546ff8915fddc74e65664aa03fc460b3712b1c2c54a33e4" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2026-01-20" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stderr] Error response from daemon: mkdir /var/lib/docker/overlay2/06940a8d2474c6ba31942f5ca304efedf92f9cdd4c783dd0bb430a0417f3e4a1-init: no space left on device


sandbox container could not be created: command failed: exit status: 1

Error response from daemon: mkdir /var/lib/docker/overlay2/06940a8d2474c6ba31942f5ca304efedf92f9cdd4c783dd0bb430a0417f3e4a1-init: no space left on device

Caused by:
    command failed: exit status: 1
    
    Error response from daemon: mkdir /var/lib/docker/overlay2/06940a8d2474c6ba31942f5ca304efedf92f9cdd4c783dd0bb430a0417f3e4a1-init: no space left on device