[INFO] cloning repository https://github.com/jasonwashburn/rust-book-variables
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/jasonwashburn/rust-book-variables" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjasonwashburn%2Frust-book-variables", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjasonwashburn%2Frust-book-variables'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 02d58176816f559dc63e300ee2cda01ae8e4ac2b
[INFO] checking jasonwashburn/rust-book-variables against master#8e37e151835d96d6a7415e93e6876561485a3354 for pr-134218
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjasonwashburn%2Frust-book-variables" "/workspace/builds/worker-0-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-0-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/jasonwashburn/rust-book-variables on toolchain 8e37e151835d96d6a7415e93e6876561485a3354
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+8e37e151835d96d6a7415e93e6876561485a3354" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/jasonwashburn/rust-book-variables
[INFO] finished tweaking git repo https://github.com/jasonwashburn/rust-book-variables
[INFO] tweaked toml for git repo https://github.com/jasonwashburn/rust-book-variables written to /workspace/builds/worker-0-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/jasonwashburn/rust-book-variables 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" "+8e37e151835d96d6a7415e93e6876561485a3354" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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:f3a9d4ad9d972b27faf3965f35b62e55ba32bbce8f20bc8fe909558a86702fde" "/opt/rustwide/cargo-home/bin/cargo" "+8e37e151835d96d6a7415e93e6876561485a3354" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 2c2f971a83a74750c89a246ea0a4c29e017c8bccabb4a641cf7169893c9626e2
[INFO] running `Command { std: "docker" "start" "-a" "2c2f971a83a74750c89a246ea0a4c29e017c8bccabb4a641cf7169893c9626e2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "2c2f971a83a74750c89a246ea0a4c29e017c8bccabb4a641cf7169893c9626e2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2c2f971a83a74750c89a246ea0a4c29e017c8bccabb4a641cf7169893c9626e2", kill_on_drop: false }`
[INFO] [stdout] 2c2f971a83a74750c89a246ea0a4c29e017c8bccabb4a641cf7169893c9626e2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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:f3a9d4ad9d972b27faf3965f35b62e55ba32bbce8f20bc8fe909558a86702fde" "/opt/rustwide/cargo-home/bin/cargo" "+8e37e151835d96d6a7415e93e6876561485a3354" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 19ec6b6dda8271c94ea5db658d730402a59b9494d149fbd59037c7116f9b8b2b
[INFO] running `Command { std: "docker" "start" "-a" "19ec6b6dda8271c94ea5db658d730402a59b9494d149fbd59037c7116f9b8b2b", kill_on_drop: false }`
[INFO] [stderr] Error response from daemon: write /var/lib/docker/containers/19ec6b6dda8271c94ea5db658d730402a59b9494d149fbd59037c7116f9b8b2b/hosts: no space left on device
[INFO] running `Command { std: "docker" "inspect" "19ec6b6dda8271c94ea5db658d730402a59b9494d149fbd59037c7116f9b8b2b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "19ec6b6dda8271c94ea5db658d730402a59b9494d149fbd59037c7116f9b8b2b", kill_on_drop: false }`
[INFO] [stdout] 19ec6b6dda8271c94ea5db658d730402a59b9494d149fbd59037c7116f9b8b2b