[INFO] fetching crate regenerator 0.1.2...
[INFO] checking regenerator-0.1.2 against try#4907eac94165faff6c5e5e015670b1c584275f7b for pr-154149
[INFO] extracting crate regenerator 0.1.2 into /workspace/builds/worker-6-tc2/source
[INFO] started tweaking crates.io crate regenerator 0.1.2
[INFO] finished tweaking crates.io crate regenerator 0.1.2
[INFO] tweaked toml for crates.io crate regenerator 0.1.2 written to /workspace/builds/worker-6-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate regenerator 0.1.2 on toolchain 4907eac94165faff6c5e5e015670b1c584275f7b
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+4907eac94165faff6c5e5e015670b1c584275f7b" "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" "+4907eac94165faff6c5e5e015670b1c584275f7b" "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 35 packages to latest compatible versions
[INFO] [stderr]       Adding derive_builder v0.12.0 (available: v0.20.2)
[INFO] [stderr]       Adding rand v0.8.5 (available: v0.10.0)
[INFO] [stderr]       Adding regex-automata v0.3.9 (available: v0.4.14)
[INFO] [stderr]       Adding regex-syntax v0.7.5 (available: v0.8.10)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+4907eac94165faff6c5e5e015670b1c584275f7b" "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-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+4907eac94165faff6c5e5e015670b1c584275f7b" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stderr] Error response from daemon: mkdir /var/lib/docker/overlay2/6c3f004c6e5525f596417bf6a7441c5bbd1b6ca911e92ef5f0c7e489c0df1666-init: no space left on device
[INFO] checking regenerator-0.1.2 against try#4907eac94165faff6c5e5e015670b1c584275f7b for pr-154149
[INFO] extracting crate regenerator 0.1.2 into /workspace/builds/worker-6-tc2/source
[INFO] started tweaking crates.io crate regenerator 0.1.2
[INFO] finished tweaking crates.io crate regenerator 0.1.2
[INFO] tweaked toml for crates.io crate regenerator 0.1.2 written to /workspace/builds/worker-6-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate regenerator 0.1.2 on toolchain 4907eac94165faff6c5e5e015670b1c584275f7b
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+4907eac94165faff6c5e5e015670b1c584275f7b" "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" "+4907eac94165faff6c5e5e015670b1c584275f7b" "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 35 packages to latest compatible versions
[INFO] [stderr]       Adding derive_builder v0.12.0 (available: v0.20.2)
[INFO] [stderr]       Adding rand v0.8.5 (available: v0.10.0)
[INFO] [stderr]       Adding regex-automata v0.3.9 (available: v0.4.14)
[INFO] [stderr]       Adding regex-syntax v0.7.5 (available: v0.8.10)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+4907eac94165faff6c5e5e015670b1c584275f7b" "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-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+4907eac94165faff6c5e5e015670b1c584275f7b" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stderr] Error response from daemon: mkdir /var/lib/docker/overlay2/310a349f373ca578953e5478b2bd543a70d9d55a89377e588aca30509ff68098-init: no space left on device
[INFO] checking regenerator-0.1.2 against try#4907eac94165faff6c5e5e015670b1c584275f7b for pr-154149
[INFO] extracting crate regenerator 0.1.2 into /workspace/builds/worker-6-tc2/source
[INFO] started tweaking crates.io crate regenerator 0.1.2
[INFO] finished tweaking crates.io crate regenerator 0.1.2
[INFO] tweaked toml for crates.io crate regenerator 0.1.2 written to /workspace/builds/worker-6-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate regenerator 0.1.2 on toolchain 4907eac94165faff6c5e5e015670b1c584275f7b
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+4907eac94165faff6c5e5e015670b1c584275f7b" "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" "+4907eac94165faff6c5e5e015670b1c584275f7b" "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 35 packages to latest compatible versions
[INFO] [stderr]       Adding derive_builder v0.12.0 (available: v0.20.2)
[INFO] [stderr]       Adding rand v0.8.5 (available: v0.10.0)
[INFO] [stderr]       Adding regex-automata v0.3.9 (available: v0.4.14)
[INFO] [stderr]       Adding regex-syntax v0.7.5 (available: v0.8.10)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+4907eac94165faff6c5e5e015670b1c584275f7b" "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-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+4907eac94165faff6c5e5e015670b1c584275f7b" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stderr] Error response from daemon: mkdir /var/lib/docker/overlay2/1bd1101244bff0788b41e9636db617e5eea28608de5b4d5629cc85c41141fc21-init: no space left on device
[INFO] checking regenerator-0.1.2 against try#4907eac94165faff6c5e5e015670b1c584275f7b for pr-154149
[INFO] extracting crate regenerator 0.1.2 into /workspace/builds/worker-6-tc2/source
[INFO] started tweaking crates.io crate regenerator 0.1.2
[INFO] finished tweaking crates.io crate regenerator 0.1.2
[INFO] tweaked toml for crates.io crate regenerator 0.1.2 written to /workspace/builds/worker-6-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate regenerator 0.1.2 on toolchain 4907eac94165faff6c5e5e015670b1c584275f7b
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+4907eac94165faff6c5e5e015670b1c584275f7b" "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" "+4907eac94165faff6c5e5e015670b1c584275f7b" "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 35 packages to latest compatible versions
[INFO] [stderr]       Adding derive_builder v0.12.0 (available: v0.20.2)
[INFO] [stderr]       Adding rand v0.8.5 (available: v0.10.0)
[INFO] [stderr]       Adding regex-automata v0.3.9 (available: v0.4.14)
[INFO] [stderr]       Adding regex-syntax v0.7.5 (available: v0.8.10)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+4907eac94165faff6c5e5e015670b1c584275f7b" "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-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+4907eac94165faff6c5e5e015670b1c584275f7b" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stderr] Error response from daemon: mkdir /var/lib/docker/overlay2/7cd6f3d7da96b96aa5fc7694519a599554d9d0c657e861cbdf7ee18b1aaa8dc1-init: no space left on device
[INFO] checking regenerator-0.1.2 against try#4907eac94165faff6c5e5e015670b1c584275f7b for pr-154149
[INFO] extracting crate regenerator 0.1.2 into /workspace/builds/worker-6-tc2/source
[INFO] started tweaking crates.io crate regenerator 0.1.2
[INFO] finished tweaking crates.io crate regenerator 0.1.2
[INFO] tweaked toml for crates.io crate regenerator 0.1.2 written to /workspace/builds/worker-6-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate regenerator 0.1.2 on toolchain 4907eac94165faff6c5e5e015670b1c584275f7b
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+4907eac94165faff6c5e5e015670b1c584275f7b" "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" "+4907eac94165faff6c5e5e015670b1c584275f7b" "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 35 packages to latest compatible versions
[INFO] [stderr]       Adding derive_builder v0.12.0 (available: v0.20.2)
[INFO] [stderr]       Adding rand v0.8.5 (available: v0.10.0)
[INFO] [stderr]       Adding regex-automata v0.3.9 (available: v0.4.14)
[INFO] [stderr]       Adding regex-syntax v0.7.5 (available: v0.8.10)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+4907eac94165faff6c5e5e015670b1c584275f7b" "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-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+4907eac94165faff6c5e5e015670b1c584275f7b" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stderr] Error response from daemon: mkdir /var/lib/docker/overlay2/24f8778edf6f9d12dbe58ee0cca6b51a9a717ac5a21645072516aaf035859da6-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/overlay2/24f8778edf6f9d12dbe58ee0cca6b51a9a717ac5a21645072516aaf035859da6-init: no space left on device

Caused by:
    command failed: exit status: 1
    
    Error response from daemon: mkdir /var/lib/docker/overlay2/24f8778edf6f9d12dbe58ee0cca6b51a9a717ac5a21645072516aaf035859da6-init: no space left on device