[INFO] fetching crate x-std 0.0.0...
[INFO] testing x-std-0.0.0 against 1.94.0 for beta-1.95-1
[INFO] extracting crate x-std 0.0.0 into /workspace/builds/worker-2-tc1/source
[INFO] started tweaking crates.io crate x-std 0.0.0
[INFO] finished tweaking crates.io crate x-std 0.0.0
[INFO] tweaked toml for crates.io crate x-std 0.0.0 written to /workspace/builds/worker-2-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate x-std 0.0.0 on toolchain 1.94.0
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.94.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate x-std 0.0.0 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" "+1.94.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[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" "+1.94.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] e00af997a4f0b7d6c1eae55ce3a4a02d91df7c7da48b8d63bc4d6b307d5b7e64
[INFO] running `Command { std: "docker" "start" "-a" "e00af997a4f0b7d6c1eae55ce3a4a02d91df7c7da48b8d63bc4d6b307d5b7e64", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "e00af997a4f0b7d6c1eae55ce3a4a02d91df7c7da48b8d63bc4d6b307d5b7e64", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e00af997a4f0b7d6c1eae55ce3a4a02d91df7c7da48b8d63bc4d6b307d5b7e64", kill_on_drop: false }`
[INFO] [stdout] e00af997a4f0b7d6c1eae55ce3a4a02d91df7c7da48b8d63bc4d6b307d5b7e64
[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=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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+1.94.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] a6a220eb46c3c8131dc7cfccf370532f5da2fb54b6952cbfbfd76164115ace1d
[INFO] running `Command { std: "docker" "start" "-a" "a6a220eb46c3c8131dc7cfccf370532f5da2fb54b6952cbfbfd76164115ace1d", kill_on_drop: false }`
[INFO] [stderr] error: failed to create directory `/opt/rustwide/target/debug/.fingerprint/x-std-b8b5bf919b125e09`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   No space left on device (os error 28)
[INFO] running `Command { std: "docker" "inspect" "a6a220eb46c3c8131dc7cfccf370532f5da2fb54b6952cbfbfd76164115ace1d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a6a220eb46c3c8131dc7cfccf370532f5da2fb54b6952cbfbfd76164115ace1d", kill_on_drop: false }`
[INFO] [stdout] a6a220eb46c3c8131dc7cfccf370532f5da2fb54b6952cbfbfd76164115ace1d
