[INFO] fetching crate log4r 0.1.1...
[INFO] checking log4r-0.1.1 against try#1383df06117fd218068d1f39fd5326256dd4a348 for pr-145181
[INFO] extracting crate log4r 0.1.1 into /workspace/builds/worker-2-tc2/source
[INFO] checking log4r-0.1.1 against try#1383df06117fd218068d1f39fd5326256dd4a348 for pr-145181
[INFO] extracting crate log4r 0.1.1 into /workspace/builds/worker-2-tc2/source
[INFO] started tweaking crates.io crate log4r 0.1.1
[INFO] finished tweaking crates.io crate log4r 0.1.1
[INFO] tweaked toml for crates.io crate log4r 0.1.1 written to /workspace/builds/worker-2-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate log4r 0.1.1 on toolchain 1383df06117fd218068d1f39fd5326256dd4a348
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1383df06117fd218068d1f39fd5326256dd4a348" "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" "+1383df06117fd218068d1f39fd5326256dd4a348" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1383df06117fd218068d1f39fd5326256dd4a348" "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-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:ae6f63d130afcfff7f91f5ba9fdb2a74d52830289c6a2ea2d23a94dcfb480a0d" "/opt/rustwide/cargo-home/bin/cargo" "+1383df06117fd218068d1f39fd5326256dd4a348" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stderr] Error response from daemon: mkdir /var/lib/docker/overlay2/7012e242e27ef8e7bf4b4282927beddf5eed644f7ff7a8d15aabfe47ac2d3917-init: no space left on device
[INFO] checking log4r-0.1.1 against try#1383df06117fd218068d1f39fd5326256dd4a348 for pr-145181
[INFO] extracting crate log4r 0.1.1 into /workspace/builds/worker-2-tc2/source
[INFO] checking log4r-0.1.1 against try#1383df06117fd218068d1f39fd5326256dd4a348 for pr-145181
[INFO] extracting crate log4r 0.1.1 into /workspace/builds/worker-2-tc2/source
[INFO] started tweaking crates.io crate log4r 0.1.1
[INFO] finished tweaking crates.io crate log4r 0.1.1
[INFO] tweaked toml for crates.io crate log4r 0.1.1 written to /workspace/builds/worker-2-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate log4r 0.1.1 on toolchain 1383df06117fd218068d1f39fd5326256dd4a348
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1383df06117fd218068d1f39fd5326256dd4a348" "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" "+1383df06117fd218068d1f39fd5326256dd4a348" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1383df06117fd218068d1f39fd5326256dd4a348" "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:ae6f63d130afcfff7f91f5ba9fdb2a74d52830289c6a2ea2d23a94dcfb480a0d" "/opt/rustwide/cargo-home/bin/cargo" "+1383df06117fd218068d1f39fd5326256dd4a348" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stderr] Error response from daemon: mkdir /var/lib/docker/overlay2/c11abfed78d15f4b6e5503c1103fbe7c47b49b0adc126d8c59ab53b69f1c7151-init/merged/dev/shm: no space left on device
[INFO] checking log4r-0.1.1 against try#1383df06117fd218068d1f39fd5326256dd4a348 for pr-145181
[INFO] extracting crate log4r 0.1.1 into /workspace/builds/worker-2-tc2/source
[INFO] started tweaking crates.io crate log4r 0.1.1
[INFO] finished tweaking crates.io crate log4r 0.1.1
[INFO] tweaked toml for crates.io crate log4r 0.1.1 written to /workspace/builds/worker-2-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate log4r 0.1.1 on toolchain 1383df06117fd218068d1f39fd5326256dd4a348
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1383df06117fd218068d1f39fd5326256dd4a348" "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" "+1383df06117fd218068d1f39fd5326256dd4a348" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1383df06117fd218068d1f39fd5326256dd4a348" "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:ae6f63d130afcfff7f91f5ba9fdb2a74d52830289c6a2ea2d23a94dcfb480a0d" "/opt/rustwide/cargo-home/bin/cargo" "+1383df06117fd218068d1f39fd5326256dd4a348" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stderr] Error response from daemon: symlink /proc/mounts /var/lib/docker/overlay2/73721b9a1862c16dbb1c225671141256bd4ecaae956bf57771574e8bc765353a-init/merged/etc/mtab: file exists


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

Error response from daemon: symlink /proc/mounts /var/lib/docker/overlay2/73721b9a1862c16dbb1c225671141256bd4ecaae956bf57771574e8bc765353a-init/merged/etc/mtab: file exists

Caused by:
    command failed: exit status: 1
    
    Error response from daemon: symlink /proc/mounts /var/lib/docker/overlay2/73721b9a1862c16dbb1c225671141256bd4ecaae956bf57771574e8bc765353a-init/merged/etc/mtab: file exists