[INFO] cloning repository https://github.com/zthompson47/serde_example
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/zthompson47/serde_example" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fzthompson47%2Fserde_example", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fzthompson47%2Fserde_example'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 1e1df9f758e6653a891f8111d68427feb149307c
[INFO] checking zthompson47/serde_example against try#5cafabc9f16561d7796554d5d241c3068e2bd97f for pr-135852
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fzthompson47%2Fserde_example" "/workspace/builds/worker-6-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-6-tc2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/zthompson47/serde_example on toolchain 5cafabc9f16561d7796554d5d241c3068e2bd97f
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+5cafabc9f16561d7796554d5d241c3068e2bd97f" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/zthompson47/serde_example
[INFO] finished tweaking git repo https://github.com/zthompson47/serde_example
[INFO] tweaked toml for git repo https://github.com/zthompson47/serde_example written to /workspace/builds/worker-6-tc2/source/Cargo.toml
[INFO] crate git repo https://github.com/zthompson47/serde_example 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" "+5cafabc9f16561d7796554d5d241c3068e2bd97f" "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-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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:c80049f3b88b82089a44e0f06d0d6029d44b96b7257e55a1cd63dbc9f4c33334" "/opt/rustwide/cargo-home/bin/cargo" "+5cafabc9f16561d7796554d5d241c3068e2bd97f" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stderr] Error response from daemon: mkdir /var/lib/docker/overlay2/7c28dc7eaed4c7671cb1c6eeecd58c912fe94cec81722d5257dc2d8bfd0227ac-init/diff: no space left on device
[INFO] checking zthompson47/serde_example against try#5cafabc9f16561d7796554d5d241c3068e2bd97f for pr-135852
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fzthompson47%2Fserde_example" "/workspace/builds/worker-6-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-6-tc2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/zthompson47/serde_example on toolchain 5cafabc9f16561d7796554d5d241c3068e2bd97f
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+5cafabc9f16561d7796554d5d241c3068e2bd97f" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/zthompson47/serde_example
[INFO] finished tweaking git repo https://github.com/zthompson47/serde_example
[INFO] tweaked toml for git repo https://github.com/zthompson47/serde_example written to /workspace/builds/worker-6-tc2/source/Cargo.toml
[INFO] crate git repo https://github.com/zthompson47/serde_example 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" "+5cafabc9f16561d7796554d5d241c3068e2bd97f" "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-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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:c80049f3b88b82089a44e0f06d0d6029d44b96b7257e55a1cd63dbc9f4c33334" "/opt/rustwide/cargo-home/bin/cargo" "+5cafabc9f16561d7796554d5d241c3068e2bd97f" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] cb6efd34db49de69c42a73788e2fbbe05d5e2da46acd7681694b6e135d34d84a
[INFO] running `Command { std: "docker" "start" "-a" "cb6efd34db49de69c42a73788e2fbbe05d5e2da46acd7681694b6e135d34d84a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "cb6efd34db49de69c42a73788e2fbbe05d5e2da46acd7681694b6e135d34d84a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "cb6efd34db49de69c42a73788e2fbbe05d5e2da46acd7681694b6e135d34d84a", kill_on_drop: false }`
[INFO] [stdout] cb6efd34db49de69c42a73788e2fbbe05d5e2da46acd7681694b6e135d34d84a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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:c80049f3b88b82089a44e0f06d0d6029d44b96b7257e55a1cd63dbc9f4c33334" "/opt/rustwide/cargo-home/bin/cargo" "+5cafabc9f16561d7796554d5d241c3068e2bd97f" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 0885aa5ceab97afdfd17ff3f83f3f5f44edc6e7bbc7bb423ba79e4cf112ddf28
[INFO] running `Command { std: "docker" "start" "-a" "0885aa5ceab97afdfd17ff3f83f3f5f44edc6e7bbc7bb423ba79e4cf112ddf28", kill_on_drop: false }`
[INFO] [stderr] Error response from daemon: failed to create task for container: failed to create shim task: OCI runtime create failed: runc create failed: unable to start container process: error during container init: error mounting "/var/lib/crater-agent-workspace/cargo-home" to rootfs at "/opt/rustwide/cargo-home": mkdir /var/lib/docker/overlay2/b10bc373535497890203c7123f1954996fa8e4a7b9bf53de695611f067d077ae/merged/opt/rustwide/cargo-home: no space left on device: unknown
[INFO] running `Command { std: "docker" "inspect" "0885aa5ceab97afdfd17ff3f83f3f5f44edc6e7bbc7bb423ba79e4cf112ddf28", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0885aa5ceab97afdfd17ff3f83f3f5f44edc6e7bbc7bb423ba79e4cf112ddf28", kill_on_drop: false }`
[INFO] [stdout] 0885aa5ceab97afdfd17ff3f83f3f5f44edc6e7bbc7bb423ba79e4cf112ddf28