[INFO] fetching crate prost-unwrap-core 1.1.0...
[INFO] testing prost-unwrap-core-1.1.0 against 1.86.0 for beta-1.87-1
[INFO] extracting crate prost-unwrap-core 1.1.0 into /workspace/builds/worker-6-tc1/source
[INFO] validating manifest of crates.io crate prost-unwrap-core 1.1.0 on toolchain 1.86.0
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.86.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate prost-unwrap-core 1.1.0
[INFO] finished tweaking crates.io crate prost-unwrap-core 1.1.0
[INFO] tweaked toml for crates.io crate prost-unwrap-core 1.1.0 written to /workspace/builds/worker-6-tc1/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.86.0" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 18 packages to latest compatible versions
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.86.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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:b0b074c097205a61b89e8ad263052f976b2b332c4dc5f02aef1fe52501660d6e" "/opt/rustwide/cargo-home/bin/cargo" "+1.86.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 4920d399bdcd3bbb2be6e084b1e0b127c829a162147998d8a7844c0fca82e0c0
[INFO] running `Command { std: "docker" "start" "-a" "4920d399bdcd3bbb2be6e084b1e0b127c829a162147998d8a7844c0fca82e0c0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "4920d399bdcd3bbb2be6e084b1e0b127c829a162147998d8a7844c0fca82e0c0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4920d399bdcd3bbb2be6e084b1e0b127c829a162147998d8a7844c0fca82e0c0", kill_on_drop: false }`
[INFO] [stdout] 4920d399bdcd3bbb2be6e084b1e0b127c829a162147998d8a7844c0fca82e0c0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-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:b0b074c097205a61b89e8ad263052f976b2b332c4dc5f02aef1fe52501660d6e" "/opt/rustwide/cargo-home/bin/cargo" "+1.86.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 798a1c5b2821f275955f2daa4cc096b6e544d2a39143c75433d5388655ba060f
[INFO] running `Command { std: "docker" "start" "-a" "798a1c5b2821f275955f2daa4cc096b6e544d2a39143c75433d5388655ba060f", kill_on_drop: false }`
[INFO] [stderr] error: failed to create directory `/opt/rustwide/target/debug`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   No space left on device (os error 28)
[INFO] running `Command { std: "docker" "inspect" "798a1c5b2821f275955f2daa4cc096b6e544d2a39143c75433d5388655ba060f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "798a1c5b2821f275955f2daa4cc096b6e544d2a39143c75433d5388655ba060f", kill_on_drop: false }`
[INFO] [stdout] 798a1c5b2821f275955f2daa4cc096b6e544d2a39143c75433d5388655ba060f