[INFO] cloning repository https://github.com/forfd8960/rust-concurrency
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/forfd8960/rust-concurrency" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fforfd8960%2Frust-concurrency", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fforfd8960%2Frust-concurrency'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 338d3efaa35c7f03159931a0d8ef5a57df782c65
[INFO] testing forfd8960/rust-concurrency against beta-2026-01-20 for beta-1.94-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fforfd8960%2Frust-concurrency" "/workspace/builds/worker-4-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/forfd8960/rust-concurrency
[INFO] finished tweaking git repo https://github.com/forfd8960/rust-concurrency
[INFO] tweaked toml for git repo https://github.com/forfd8960/rust-concurrency written to /workspace/builds/worker-4-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/forfd8960/rust-concurrency 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] crate git repo https://github.com/forfd8960/rust-concurrency 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" "+beta-2026-01-20" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr] warning: file `/workspace/builds/worker-4-tc2/source/examples/metrics/main.rs` found to be present in multiple build targets:
[INFO] [stderr]   * `bin` target `metrics`
[INFO] [stderr]   * `example` target `metrics`
[INFO] [stderr] warning: file `/workspace/builds/worker-4-tc2/source/examples/redis/main.rs` found to be present in multiple build targets:
[INFO] [stderr]   * `bin` target `redis`
[INFO] [stderr]   * `example` target `redis`
[INFO] [stderr] warning: file `/workspace/builds/worker-4-tc2/source/examples/channel/main.rs` found to be present in multiple build targets:
[INFO] [stderr]   * `bin` target `channel`
[INFO] [stderr]   * `example` target `channel`
[INFO] [stderr] warning: file `/workspace/builds/worker-4-tc2/source/examples/matrix/main.rs` found to be present in multiple build targets:
[INFO] [stderr]   * `bin` target `matrix`
[INFO] [stderr]   * `example` target `matrix`
[INFO] [stderr] warning: file `/workspace/builds/worker-4-tc2/source/examples/metrics1/main.rs` found to be present in multiple build targets:
[INFO] [stderr]   * `bin` target `metrics1`
[INFO] [stderr]   * `example` target `metrics1`
[INFO] [stderr] warning: file `/workspace/builds/worker-4-tc2/source/examples/thread/main.rs` found to be present in multiple build targets:
[INFO] [stderr]   * `bin` target `threads`
[INFO] [stderr]   * `example` target `thread`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[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@sha256:98afbf2d16093dec2546ff8915fddc74e65664aa03fc460b3712b1c2c54a33e4" "/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/c9f593944d4ae2314f816dbf250013520d467cc6a55181cad891e6aad7121e83-init: no space left on device
[INFO] testing forfd8960/rust-concurrency against beta-2026-01-20 for beta-1.94-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fforfd8960%2Frust-concurrency" "/workspace/builds/worker-4-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/forfd8960/rust-concurrency
[INFO] finished tweaking git repo https://github.com/forfd8960/rust-concurrency
[INFO] tweaked toml for git repo https://github.com/forfd8960/rust-concurrency written to /workspace/builds/worker-4-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/forfd8960/rust-concurrency 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] crate git repo https://github.com/forfd8960/rust-concurrency 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" "+beta-2026-01-20" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr] warning: file `/workspace/builds/worker-4-tc2/source/examples/channel/main.rs` found to be present in multiple build targets:
[INFO] [stderr]   * `bin` target `channel`
[INFO] [stderr]   * `example` target `channel`
[INFO] [stderr] warning: file `/workspace/builds/worker-4-tc2/source/examples/metrics1/main.rs` found to be present in multiple build targets:
[INFO] [stderr]   * `bin` target `metrics1`
[INFO] [stderr]   * `example` target `metrics1`
[INFO] [stderr] warning: file `/workspace/builds/worker-4-tc2/source/examples/metrics/main.rs` found to be present in multiple build targets:
[INFO] [stderr]   * `bin` target `metrics`
[INFO] [stderr]   * `example` target `metrics`
[INFO] [stderr] warning: file `/workspace/builds/worker-4-tc2/source/examples/redis/main.rs` found to be present in multiple build targets:
[INFO] [stderr]   * `bin` target `redis`
[INFO] [stderr]   * `example` target `redis`
[INFO] [stderr] warning: file `/workspace/builds/worker-4-tc2/source/examples/matrix/main.rs` found to be present in multiple build targets:
[INFO] [stderr]   * `bin` target `matrix`
[INFO] [stderr]   * `example` target `matrix`
[INFO] [stderr] warning: file `/workspace/builds/worker-4-tc2/source/examples/thread/main.rs` found to be present in multiple build targets:
[INFO] [stderr]   * `bin` target `threads`
[INFO] [stderr]   * `example` target `thread`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[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@sha256:98afbf2d16093dec2546ff8915fddc74e65664aa03fc460b3712b1c2c54a33e4" "/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/overlay2/6d8bfdf75c9bd2d02042301444e723f4417b88451a1d4af509309644ccf32d02-init: no space left on device
[INFO] testing forfd8960/rust-concurrency against beta-2026-01-20 for beta-1.94-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fforfd8960%2Frust-concurrency" "/workspace/builds/worker-4-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/forfd8960/rust-concurrency
[INFO] finished tweaking git repo https://github.com/forfd8960/rust-concurrency
[INFO] tweaked toml for git repo https://github.com/forfd8960/rust-concurrency written to /workspace/builds/worker-4-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/forfd8960/rust-concurrency 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] crate git repo https://github.com/forfd8960/rust-concurrency 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" "+beta-2026-01-20" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr] warning: file `/workspace/builds/worker-4-tc2/source/examples/redis/main.rs` found to be present in multiple build targets:
[INFO] [stderr]   * `bin` target `redis`
[INFO] [stderr]   * `example` target `redis`
[INFO] [stderr] warning: file `/workspace/builds/worker-4-tc2/source/examples/matrix/main.rs` found to be present in multiple build targets:
[INFO] [stderr]   * `bin` target `matrix`
[INFO] [stderr]   * `example` target `matrix`
[INFO] [stderr] warning: file `/workspace/builds/worker-4-tc2/source/examples/channel/main.rs` found to be present in multiple build targets:
[INFO] [stderr]   * `bin` target `channel`
[INFO] [stderr]   * `example` target `channel`
[INFO] [stderr] warning: file `/workspace/builds/worker-4-tc2/source/examples/metrics/main.rs` found to be present in multiple build targets:
[INFO] [stderr]   * `bin` target `metrics`
[INFO] [stderr]   * `example` target `metrics`
[INFO] [stderr] warning: file `/workspace/builds/worker-4-tc2/source/examples/thread/main.rs` found to be present in multiple build targets:
[INFO] [stderr]   * `bin` target `threads`
[INFO] [stderr]   * `example` target `thread`
[INFO] [stderr] warning: file `/workspace/builds/worker-4-tc2/source/examples/metrics1/main.rs` found to be present in multiple build targets:
[INFO] [stderr]   * `bin` target `metrics1`
[INFO] [stderr]   * `example` target `metrics1`
[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-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@sha256:98afbf2d16093dec2546ff8915fddc74e65664aa03fc460b3712b1c2c54a33e4" "/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/e8c30edfbab0b3c4f9f94dab68e8472285f199de7dde7e893d7a10e4c20fc1d7-init: no space left on device
[INFO] testing forfd8960/rust-concurrency against beta-2026-01-20 for beta-1.94-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fforfd8960%2Frust-concurrency" "/workspace/builds/worker-4-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/forfd8960/rust-concurrency
[INFO] finished tweaking git repo https://github.com/forfd8960/rust-concurrency
[INFO] tweaked toml for git repo https://github.com/forfd8960/rust-concurrency written to /workspace/builds/worker-4-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/forfd8960/rust-concurrency 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] crate git repo https://github.com/forfd8960/rust-concurrency 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" "+beta-2026-01-20" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr] warning: file `/workspace/builds/worker-4-tc2/source/examples/matrix/main.rs` found to be present in multiple build targets:
[INFO] [stderr]   * `bin` target `matrix`
[INFO] [stderr]   * `example` target `matrix`
[INFO] [stderr] warning: file `/workspace/builds/worker-4-tc2/source/examples/thread/main.rs` found to be present in multiple build targets:
[INFO] [stderr]   * `bin` target `threads`
[INFO] [stderr]   * `example` target `thread`
[INFO] [stderr] warning: file `/workspace/builds/worker-4-tc2/source/examples/metrics/main.rs` found to be present in multiple build targets:
[INFO] [stderr]   * `bin` target `metrics`
[INFO] [stderr]   * `example` target `metrics`
[INFO] [stderr] warning: file `/workspace/builds/worker-4-tc2/source/examples/redis/main.rs` found to be present in multiple build targets:
[INFO] [stderr]   * `bin` target `redis`
[INFO] [stderr]   * `example` target `redis`
[INFO] [stderr] warning: file `/workspace/builds/worker-4-tc2/source/examples/channel/main.rs` found to be present in multiple build targets:
[INFO] [stderr]   * `bin` target `channel`
[INFO] [stderr]   * `example` target `channel`
[INFO] [stderr] warning: file `/workspace/builds/worker-4-tc2/source/examples/metrics1/main.rs` found to be present in multiple build targets:
[INFO] [stderr]   * `bin` target `metrics1`
[INFO] [stderr]   * `example` target `metrics1`
[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-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@sha256:98afbf2d16093dec2546ff8915fddc74e65664aa03fc460b3712b1c2c54a33e4" "/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/overlay2/693e1f68dec244735fd77d4ec3a61f13dcd447f1e14ff047161d59d3fb777b9b-init: no space left on device
[INFO] testing forfd8960/rust-concurrency against beta-2026-01-20 for beta-1.94-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fforfd8960%2Frust-concurrency" "/workspace/builds/worker-4-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/forfd8960/rust-concurrency
[INFO] finished tweaking git repo https://github.com/forfd8960/rust-concurrency
[INFO] tweaked toml for git repo https://github.com/forfd8960/rust-concurrency written to /workspace/builds/worker-4-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/forfd8960/rust-concurrency 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] crate git repo https://github.com/forfd8960/rust-concurrency 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" "+beta-2026-01-20" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr] warning: file `/workspace/builds/worker-4-tc2/source/examples/channel/main.rs` found to be present in multiple build targets:
[INFO] [stderr]   * `bin` target `channel`
[INFO] [stderr]   * `example` target `channel`
[INFO] [stderr] warning: file `/workspace/builds/worker-4-tc2/source/examples/matrix/main.rs` found to be present in multiple build targets:
[INFO] [stderr]   * `bin` target `matrix`
[INFO] [stderr]   * `example` target `matrix`
[INFO] [stderr] warning: file `/workspace/builds/worker-4-tc2/source/examples/redis/main.rs` found to be present in multiple build targets:
[INFO] [stderr]   * `bin` target `redis`
[INFO] [stderr]   * `example` target `redis`
[INFO] [stderr] warning: file `/workspace/builds/worker-4-tc2/source/examples/metrics1/main.rs` found to be present in multiple build targets:
[INFO] [stderr]   * `bin` target `metrics1`
[INFO] [stderr]   * `example` target `metrics1`
[INFO] [stderr] warning: file `/workspace/builds/worker-4-tc2/source/examples/metrics/main.rs` found to be present in multiple build targets:
[INFO] [stderr]   * `bin` target `metrics`
[INFO] [stderr]   * `example` target `metrics`
[INFO] [stderr] warning: file `/workspace/builds/worker-4-tc2/source/examples/thread/main.rs` found to be present in multiple build targets:
[INFO] [stderr]   * `bin` target `threads`
[INFO] [stderr]   * `example` target `thread`
[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-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@sha256:98afbf2d16093dec2546ff8915fddc74e65664aa03fc460b3712b1c2c54a33e4" "/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/overlay2/45beee870b87cc283fc96d066d8535c4c93e69614fe92c3b91412091042fe71f-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/overlay2/45beee870b87cc283fc96d066d8535c4c93e69614fe92c3b91412091042fe71f-init: no space left on device

Caused by:
    command failed: exit status: 1
    
    Error response from daemon: mkdir /var/lib/docker/overlay2/45beee870b87cc283fc96d066d8535c4c93e69614fe92c3b91412091042fe71f-init: no space left on device