[INFO] fetching crate treeproxy 0.0.0...
[INFO] checking treeproxy-0.0.0 against try#b2fb67b8b6007ced9ad3f3b752a6fec899e7859c for pr-138915
[INFO] extracting crate treeproxy 0.0.0 into /workspace/builds/worker-7-tc2/source
[INFO] validating manifest of crates.io crate treeproxy 0.0.0 on toolchain b2fb67b8b6007ced9ad3f3b752a6fec899e7859c
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+b2fb67b8b6007ced9ad3f3b752a6fec899e7859c" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate treeproxy 0.0.0
[INFO] finished tweaking crates.io crate treeproxy 0.0.0
[INFO] tweaked toml for crates.io crate treeproxy 0.0.0 written to /workspace/builds/worker-7-tc2/source/Cargo.toml
[INFO] crate crates.io crate treeproxy 0.0.0 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" "+b2fb67b8b6007ced9ad3f3b752a6fec899e7859c" "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@sha256:4b26683ee3c49f365255c425c23003cbf4366de097804722c29c5bbbee3624d2" "/opt/rustwide/cargo-home/bin/cargo" "+b2fb67b8b6007ced9ad3f3b752a6fec899e7859c" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stderr] Error response from daemon: write /var/lib/docker/overlay2/86b3c150208a0bce89b34681e108e8051c3bd9c44575a2ef3a336db8953be963-init/.tmp-link2740274876: no space left on device
[INFO] checking treeproxy-0.0.0 against try#b2fb67b8b6007ced9ad3f3b752a6fec899e7859c for pr-138915
[INFO] extracting crate treeproxy 0.0.0 into /workspace/builds/worker-7-tc2/source
[INFO] validating manifest of crates.io crate treeproxy 0.0.0 on toolchain b2fb67b8b6007ced9ad3f3b752a6fec899e7859c
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+b2fb67b8b6007ced9ad3f3b752a6fec899e7859c" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate treeproxy 0.0.0
[INFO] finished tweaking crates.io crate treeproxy 0.0.0
[INFO] tweaked toml for crates.io crate treeproxy 0.0.0 written to /workspace/builds/worker-7-tc2/source/Cargo.toml
[INFO] crate crates.io crate treeproxy 0.0.0 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" "+b2fb67b8b6007ced9ad3f3b752a6fec899e7859c" "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@sha256:4b26683ee3c49f365255c425c23003cbf4366de097804722c29c5bbbee3624d2" "/opt/rustwide/cargo-home/bin/cargo" "+b2fb67b8b6007ced9ad3f3b752a6fec899e7859c" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stderr] Error response from daemon: mkdir /var/lib/docker/overlay2/dc7f69cbfa25d0fff920116422ba66a70af53dd88346126f8b3a62fb276968fd-init/work: no space left on device
[INFO] checking treeproxy-0.0.0 against try#b2fb67b8b6007ced9ad3f3b752a6fec899e7859c for pr-138915
[INFO] extracting crate treeproxy 0.0.0 into /workspace/builds/worker-7-tc2/source
[INFO] validating manifest of crates.io crate treeproxy 0.0.0 on toolchain b2fb67b8b6007ced9ad3f3b752a6fec899e7859c
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+b2fb67b8b6007ced9ad3f3b752a6fec899e7859c" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate treeproxy 0.0.0
[INFO] finished tweaking crates.io crate treeproxy 0.0.0
[INFO] tweaked toml for crates.io crate treeproxy 0.0.0 written to /workspace/builds/worker-7-tc2/source/Cargo.toml
[INFO] crate crates.io crate treeproxy 0.0.0 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" "+b2fb67b8b6007ced9ad3f3b752a6fec899e7859c" "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@sha256:4b26683ee3c49f365255c425c23003cbf4366de097804722c29c5bbbee3624d2" "/opt/rustwide/cargo-home/bin/cargo" "+b2fb67b8b6007ced9ad3f3b752a6fec899e7859c" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 5d3d1edaaa8caf745d0397db412481ddf4fd4e935b0091efa205cbac9e12942f
[INFO] running `Command { std: "docker" "start" "-a" "5d3d1edaaa8caf745d0397db412481ddf4fd4e935b0091efa205cbac9e12942f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "5d3d1edaaa8caf745d0397db412481ddf4fd4e935b0091efa205cbac9e12942f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5d3d1edaaa8caf745d0397db412481ddf4fd4e935b0091efa205cbac9e12942f", kill_on_drop: false }`
[INFO] [stdout] 5d3d1edaaa8caf745d0397db412481ddf4fd4e935b0091efa205cbac9e12942f
[INFO] checking treeproxy-0.0.0 against try#b2fb67b8b6007ced9ad3f3b752a6fec899e7859c for pr-138915
[INFO] extracting crate treeproxy 0.0.0 into /workspace/builds/worker-7-tc2/source
[INFO] validating manifest of crates.io crate treeproxy 0.0.0 on toolchain b2fb67b8b6007ced9ad3f3b752a6fec899e7859c
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+b2fb67b8b6007ced9ad3f3b752a6fec899e7859c" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate treeproxy 0.0.0
[INFO] finished tweaking crates.io crate treeproxy 0.0.0
[INFO] tweaked toml for crates.io crate treeproxy 0.0.0 written to /workspace/builds/worker-7-tc2/source/Cargo.toml
[INFO] crate crates.io crate treeproxy 0.0.0 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" "+b2fb67b8b6007ced9ad3f3b752a6fec899e7859c" "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@sha256:4b26683ee3c49f365255c425c23003cbf4366de097804722c29c5bbbee3624d2" "/opt/rustwide/cargo-home/bin/cargo" "+b2fb67b8b6007ced9ad3f3b752a6fec899e7859c" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stderr] Error response from daemon: mkdir /var/lib/docker/containers/51448b248f77022717da35fd1c9425ae7afc12fb495bd13a196f4f1b5cf60e46/checkpoints: no space left on device
[INFO] checking treeproxy-0.0.0 against try#b2fb67b8b6007ced9ad3f3b752a6fec899e7859c for pr-138915
[INFO] extracting crate treeproxy 0.0.0 into /workspace/builds/worker-7-tc2/source


unable to download treeproxy version 0.0.0

Caused by:
    0: failed to unpack `treeproxy-0.0.0/Cargo.lock` into `/workspace/builds/worker-7-tc2/source/Cargo.lock`
    1: No space left on device (os error 28)