[INFO] fetching crate variyak 0.2.0...
[INFO] checking variyak-0.2.0 against master#5a45ab9738330fb317d49e3594c2db5248b1e971 for pr-136303
[INFO] extracting crate variyak 0.2.0 into /workspace/builds/worker-3-tc1/source
[INFO] validating manifest of crates.io crate variyak 0.2.0 on toolchain 5a45ab9738330fb317d49e3594c2db5248b1e971
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+5a45ab9738330fb317d49e3594c2db5248b1e971" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate variyak 0.2.0
[INFO] finished tweaking crates.io crate variyak 0.2.0
[INFO] tweaked toml for crates.io crate variyak 0.2.0 written to /workspace/builds/worker-3-tc1/source/Cargo.toml
[INFO] crate crates.io crate variyak 0.2.0 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" "+5a45ab9738330fb317d49e3594c2db5248b1e971" "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] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded seq-macro v0.2.1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/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:c80049f3b88b82089a44e0f06d0d6029d44b96b7257e55a1cd63dbc9f4c33334" "/opt/rustwide/cargo-home/bin/cargo" "+5a45ab9738330fb317d49e3594c2db5248b1e971" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] d42f0d8831fa1ea450f30d10e57fa109bd9b9cd1f679fb5ce5bcbe10c8391240
[INFO] running `Command { std: "docker" "start" "-a" "d42f0d8831fa1ea450f30d10e57fa109bd9b9cd1f679fb5ce5bcbe10c8391240", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "d42f0d8831fa1ea450f30d10e57fa109bd9b9cd1f679fb5ce5bcbe10c8391240", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d42f0d8831fa1ea450f30d10e57fa109bd9b9cd1f679fb5ce5bcbe10c8391240", kill_on_drop: false }`
[INFO] [stdout] d42f0d8831fa1ea450f30d10e57fa109bd9b9cd1f679fb5ce5bcbe10c8391240
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/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_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-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:c80049f3b88b82089a44e0f06d0d6029d44b96b7257e55a1cd63dbc9f4c33334" "/opt/rustwide/cargo-home/bin/cargo" "+5a45ab9738330fb317d49e3594c2db5248b1e971" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] b4ada4a39030e8fd3f21d119e1261536892c424339f10efde1cf0d72e33892d6
[INFO] running `Command { std: "docker" "start" "-a" "b4ada4a39030e8fd3f21d119e1261536892c424339f10efde1cf0d72e33892d6", kill_on_drop: false }`
[INFO] [stderr] Error response from daemon: failed to create task for container: failed to create shim task: OCI runtime create failed: runc create failed: unable to start container process: error during container init: error mounting "/var/lib/crater-agent-workspace/rustup-home" to rootfs at "/opt/rustwide/rustup-home": mkdir /var/lib/docker/overlay2/e0ba27a2027e304dd98c0848ef565310a49b8f893c3ff32bb2e6a7ff1eb0080b/merged/opt/rustwide/rustup-home: no space left on device: unknown
[INFO] running `Command { std: "docker" "inspect" "b4ada4a39030e8fd3f21d119e1261536892c424339f10efde1cf0d72e33892d6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b4ada4a39030e8fd3f21d119e1261536892c424339f10efde1cf0d72e33892d6", kill_on_drop: false }`
[INFO] [stdout] b4ada4a39030e8fd3f21d119e1261536892c424339f10efde1cf0d72e33892d6