[INFO] fetching crate substrate-io 0.0.1...
[INFO] testing substrate-io-0.0.1 against master#562dee4820c458d823175268e41601d4c060588a for pr-154210-1
[INFO] extracting crate substrate-io 0.0.1 into /workspace/builds/worker-2-tc1/source
[INFO] started tweaking crates.io crate substrate-io 0.0.1
[INFO] finished tweaking crates.io crate substrate-io 0.0.1
[INFO] tweaked toml for crates.io crate substrate-io 0.0.1 written to /workspace/builds/worker-2-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate substrate-io 0.0.1 on toolchain 562dee4820c458d823175268e41601d4c060588a
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+562dee4820c458d823175268e41601d4c060588a" "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" "+562dee4820c458d823175268e41601d4c060588a" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+562dee4820c458d823175268e41601d4c060588a" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+562dee4820c458d823175268e41601d4c060588a" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] f8c02b9ef844f6c1c0095f24f94098b3332b65650866b700a7b7c6e8b070301c
[INFO] running `Command { std: "docker" "start" "-a" "f8c02b9ef844f6c1c0095f24f94098b3332b65650866b700a7b7c6e8b070301c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "f8c02b9ef844f6c1c0095f24f94098b3332b65650866b700a7b7c6e8b070301c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f8c02b9ef844f6c1c0095f24f94098b3332b65650866b700a7b7c6e8b070301c", kill_on_drop: false }`
[INFO] [stdout] f8c02b9ef844f6c1c0095f24f94098b3332b65650866b700a7b7c6e8b070301c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+562dee4820c458d823175268e41601d4c060588a" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] e27f0c7f5c48c3fabde1a0c0f5de728d2a98a996746d78c66e6c9a6de4dd5415
[INFO] running `Command { std: "docker" "start" "-a" "e27f0c7f5c48c3fabde1a0c0f5de728d2a98a996746d78c66e6c9a6de4dd5415", kill_on_drop: false }`
[INFO] [stderr]    Compiling substrate-io v0.0.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.05s
[INFO] running `Command { std: "docker" "inspect" "e27f0c7f5c48c3fabde1a0c0f5de728d2a98a996746d78c66e6c9a6de4dd5415", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e27f0c7f5c48c3fabde1a0c0f5de728d2a98a996746d78c66e6c9a6de4dd5415", kill_on_drop: false }`
[INFO] [stdout] e27f0c7f5c48c3fabde1a0c0f5de728d2a98a996746d78c66e6c9a6de4dd5415
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+562dee4820c458d823175268e41601d4c060588a" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] c369a10770214cc7faa8c2332a0dfe0f5ca6f2d3f0a3ce8c65954561e48ecd96
[INFO] running `Command { std: "docker" "start" "-a" "c369a10770214cc7faa8c2332a0dfe0f5ca6f2d3f0a3ce8c65954561e48ecd96", kill_on_drop: false }`
[INFO] [stderr] error: failed to create directory `/opt/rustwide/target/debug/.fingerprint/substrate-io-7162f76f790efeca`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   No space left on device (os error 28)
[INFO] running `Command { std: "docker" "inspect" "c369a10770214cc7faa8c2332a0dfe0f5ca6f2d3f0a3ce8c65954561e48ecd96", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c369a10770214cc7faa8c2332a0dfe0f5ca6f2d3f0a3ce8c65954561e48ecd96", kill_on_drop: false }`
[INFO] [stdout] c369a10770214cc7faa8c2332a0dfe0f5ca6f2d3f0a3ce8c65954561e48ecd96