[INFO] fetching crate skippy 0.0.0...
[INFO] testing skippy-0.0.0 against master#552a959051cebf8f88a8f558399baf733bec9ce0 for pr-136932
[INFO] extracting crate skippy 0.0.0 into /workspace/builds/worker-1-tc1/source
[INFO] validating manifest of crates.io crate skippy 0.0.0 on toolchain 552a959051cebf8f88a8f558399baf733bec9ce0
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+552a959051cebf8f88a8f558399baf733bec9ce0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate skippy 0.0.0
[INFO] finished tweaking crates.io crate skippy 0.0.0
[INFO] tweaked toml for crates.io crate skippy 0.0.0 written to /workspace/builds/worker-1-tc1/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+552a959051cebf8f88a8f558399baf733bec9ce0" "generate-lockfile" "--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: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+552a959051cebf8f88a8f558399baf733bec9ce0" "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-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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@sha256:3959728d45483eb673ba100a951a6b9f5012970368db2a9e08e0ac9b67c8a5ad" "/opt/rustwide/cargo-home/bin/cargo" "+552a959051cebf8f88a8f558399baf733bec9ce0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 36bb877697678e1888471312b4df2ecc2088f359ddfc5a0d859fe0e10b750c8b
[INFO] running `Command { std: "docker" "start" "-a" "36bb877697678e1888471312b4df2ecc2088f359ddfc5a0d859fe0e10b750c8b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "36bb877697678e1888471312b4df2ecc2088f359ddfc5a0d859fe0e10b750c8b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "36bb877697678e1888471312b4df2ecc2088f359ddfc5a0d859fe0e10b750c8b", kill_on_drop: false }`
[INFO] [stdout] 36bb877697678e1888471312b4df2ecc2088f359ddfc5a0d859fe0e10b750c8b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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@sha256:3959728d45483eb673ba100a951a6b9f5012970368db2a9e08e0ac9b67c8a5ad" "/opt/rustwide/cargo-home/bin/cargo" "+552a959051cebf8f88a8f558399baf733bec9ce0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 4a4d5faa4d8b09ce5f45c142facdd7b7bd9b1d0d2b34467630c0eadd40b1e375
[INFO] running `Command { std: "docker" "start" "-a" "4a4d5faa4d8b09ce5f45c142facdd7b7bd9b1d0d2b34467630c0eadd40b1e375", kill_on_drop: false }`
[INFO] [stderr]    Compiling skippy v0.0.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.06s
[INFO] running `Command { std: "docker" "inspect" "4a4d5faa4d8b09ce5f45c142facdd7b7bd9b1d0d2b34467630c0eadd40b1e375", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4a4d5faa4d8b09ce5f45c142facdd7b7bd9b1d0d2b34467630c0eadd40b1e375", kill_on_drop: false }`
[INFO] [stdout] 4a4d5faa4d8b09ce5f45c142facdd7b7bd9b1d0d2b34467630c0eadd40b1e375
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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@sha256:3959728d45483eb673ba100a951a6b9f5012970368db2a9e08e0ac9b67c8a5ad" "/opt/rustwide/cargo-home/bin/cargo" "+552a959051cebf8f88a8f558399baf733bec9ce0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 25dc809c3795de8afe2b7942744ee706538e0cb463dfb13b47b085864fc9d29d
[INFO] running `Command { std: "docker" "start" "-a" "25dc809c3795de8afe2b7942744ee706538e0cb463dfb13b47b085864fc9d29d", kill_on_drop: false }`
[INFO] [stderr] Error response from daemon: mkdir /var/lib/docker/overlay2/6c3c3ee1dbb69e82ec7107f698022debf9441d85ff987ab8621f35bb3786e881/merged: no space left on device
[INFO] running `Command { std: "docker" "inspect" "25dc809c3795de8afe2b7942744ee706538e0cb463dfb13b47b085864fc9d29d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "25dc809c3795de8afe2b7942744ee706538e0cb463dfb13b47b085864fc9d29d", kill_on_drop: false }`
[INFO] [stdout] 25dc809c3795de8afe2b7942744ee706538e0cb463dfb13b47b085864fc9d29d