[INFO] fetching crate lightchain 0.0.1...
[INFO] testing lightchain-0.0.1 against try#b8e88e5ddf5521a9f43ee3f62a702388c713e4bb for pr-155114
[INFO] extracting crate lightchain 0.0.1 into /workspace/builds/worker-7-tc2/source
[INFO] started tweaking crates.io crate lightchain 0.0.1
[INFO] finished tweaking crates.io crate lightchain 0.0.1
[INFO] tweaked toml for crates.io crate lightchain 0.0.1 written to /workspace/builds/worker-7-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate lightchain 0.0.1 on toolchain b8e88e5ddf5521a9f43ee3f62a702388c713e4bb
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+b8e88e5ddf5521a9f43ee3f62a702388c713e4bb" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate lightchain 0.0.1 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" "+b8e88e5ddf5521a9f43ee3f62a702388c713e4bb" "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-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/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" "+b8e88e5ddf5521a9f43ee3f62a702388c713e4bb" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 4cc54e5b0f204dae0aa412f85f95ab937cc564ec08b2a777e2769c9b0b04a210
[INFO] running `Command { std: "docker" "start" "-a" "4cc54e5b0f204dae0aa412f85f95ab937cc564ec08b2a777e2769c9b0b04a210", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "4cc54e5b0f204dae0aa412f85f95ab937cc564ec08b2a777e2769c9b0b04a210", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4cc54e5b0f204dae0aa412f85f95ab937cc564ec08b2a777e2769c9b0b04a210", kill_on_drop: false }`
[INFO] [stdout] 4cc54e5b0f204dae0aa412f85f95ab937cc564ec08b2a777e2769c9b0b04a210
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/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" "+b8e88e5ddf5521a9f43ee3f62a702388c713e4bb" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 06f202198411663979b7fdb030e98005463de89f868700facdde3648a15341eb
[INFO] running `Command { std: "docker" "start" "-a" "06f202198411663979b7fdb030e98005463de89f868700facdde3648a15341eb", kill_on_drop: false }`
[INFO] [stderr] error: failed to create directory `/opt/rustwide/target/debug/.fingerprint/lightchain-c76ac425ff0e23c9`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   No space left on device (os error 28)
[INFO] running `Command { std: "docker" "inspect" "06f202198411663979b7fdb030e98005463de89f868700facdde3648a15341eb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "06f202198411663979b7fdb030e98005463de89f868700facdde3648a15341eb", kill_on_drop: false }`
[INFO] [stdout] 06f202198411663979b7fdb030e98005463de89f868700facdde3648a15341eb
