[INFO] fetching crate libepf 0.1.0...
[INFO] checking libepf-0.1.0 against try#fafe42c59556a4233f03dd0d900b575a9afeece8 for pr-143764
[INFO] extracting crate libepf 0.1.0 into /workspace/builds/worker-4-tc2/source
[INFO] started tweaking crates.io crate libepf 0.1.0
[INFO] finished tweaking crates.io crate libepf 0.1.0
[INFO] tweaked toml for crates.io crate libepf 0.1.0 written to /workspace/builds/worker-4-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate libepf 0.1.0 on toolchain fafe42c59556a4233f03dd0d900b575a9afeece8
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+fafe42c59556a4233f03dd0d900b575a9afeece8" "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" "+fafe42c59556a4233f03dd0d900b575a9afeece8" "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 154 packages to latest compatible versions
[INFO] [stderr]       Adding hex-literal v0.4.1 (available: v1.0.0)
[INFO] [stderr]       Adding pem v2.0.1 (available: v3.0.5)
[INFO] [stderr]       Adding rand v0.8.5 (available: v0.9.1)
[INFO] [stderr]       Adding serde_arrays v0.1.0 (available: v0.2.0)
[INFO] [stderr]       Adding serial_test v2.0.0 (available: v3.2.0)
[INFO] [stderr]       Adding simple_logger v4.3.3 (available: v5.0.0)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+fafe42c59556a4233f03dd0d900b575a9afeece8" "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-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@sha256:90999bfc7ae267e83380e433d8e61a7c072ca6729e92edbae886d3423b3a6f4c" "/opt/rustwide/cargo-home/bin/cargo" "+fafe42c59556a4233f03dd0d900b575a9afeece8" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stderr] Error response from daemon: symlink ../2a06e37d6703b99e1f48f0ca915b5d4476ebdeb4c8ea57feaf0209700f6dda11-init/diff /var/lib/docker/overlay2/l/RLUPXJNW72ONE6UUBZ4VPE2GHV: no space left on device
[INFO] checking libepf-0.1.0 against try#fafe42c59556a4233f03dd0d900b575a9afeece8 for pr-143764
[INFO] extracting crate libepf 0.1.0 into /workspace/builds/worker-4-tc2/source
[INFO] started tweaking crates.io crate libepf 0.1.0
[INFO] finished tweaking crates.io crate libepf 0.1.0
[INFO] tweaked toml for crates.io crate libepf 0.1.0 written to /workspace/builds/worker-4-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate libepf 0.1.0 on toolchain fafe42c59556a4233f03dd0d900b575a9afeece8
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+fafe42c59556a4233f03dd0d900b575a9afeece8" "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" "+fafe42c59556a4233f03dd0d900b575a9afeece8" "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] error: failed to write /workspace/builds/worker-4-tc2/source/Cargo.lock
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   No space left on device (os error 28)
[INFO] checking libepf-0.1.0 against try#fafe42c59556a4233f03dd0d900b575a9afeece8 for pr-143764
[INFO] extracting crate libepf 0.1.0 into /workspace/builds/worker-4-tc2/source
[INFO] started tweaking crates.io crate libepf 0.1.0
[INFO] finished tweaking crates.io crate libepf 0.1.0
[INFO] tweaked toml for crates.io crate libepf 0.1.0 written to /workspace/builds/worker-4-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate libepf 0.1.0 on toolchain fafe42c59556a4233f03dd0d900b575a9afeece8
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+fafe42c59556a4233f03dd0d900b575a9afeece8" "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" "+fafe42c59556a4233f03dd0d900b575a9afeece8" "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] error: failed to write /workspace/builds/worker-4-tc2/source/Cargo.lock
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   No space left on device (os error 28)
[INFO] checking libepf-0.1.0 against try#fafe42c59556a4233f03dd0d900b575a9afeece8 for pr-143764
[INFO] extracting crate libepf 0.1.0 into /workspace/builds/worker-4-tc2/source
[INFO] started tweaking crates.io crate libepf 0.1.0
[INFO] finished tweaking crates.io crate libepf 0.1.0
[INFO] tweaked toml for crates.io crate libepf 0.1.0 written to /workspace/builds/worker-4-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate libepf 0.1.0 on toolchain fafe42c59556a4233f03dd0d900b575a9afeece8
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+fafe42c59556a4233f03dd0d900b575a9afeece8" "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" "+fafe42c59556a4233f03dd0d900b575a9afeece8" "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] error: failed to write /workspace/builds/worker-4-tc2/source/Cargo.lock
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   No space left on device (os error 28)
[INFO] checking libepf-0.1.0 against try#fafe42c59556a4233f03dd0d900b575a9afeece8 for pr-143764
[INFO] extracting crate libepf 0.1.0 into /workspace/builds/worker-4-tc2/source
[INFO] started tweaking crates.io crate libepf 0.1.0
[INFO] finished tweaking crates.io crate libepf 0.1.0
[INFO] tweaked toml for crates.io crate libepf 0.1.0 written to /workspace/builds/worker-4-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate libepf 0.1.0 on toolchain fafe42c59556a4233f03dd0d900b575a9afeece8
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+fafe42c59556a4233f03dd0d900b575a9afeece8" "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" "+fafe42c59556a4233f03dd0d900b575a9afeece8" "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] error: failed to write /workspace/builds/worker-4-tc2/source/Cargo.lock
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   No space left on device (os error 28)


command failed: exit status: 101

    Blocking waiting for file lock on package cache
    Updating crates.io index
error: failed to write /workspace/builds/worker-4-tc2/source/Cargo.lock

Caused by:
  No space left on device (os error 28)