[INFO] cloning repository https://github.com/markushart/rustyheads
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/markushart/rustyheads" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmarkushart%2Frustyheads", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmarkushart%2Frustyheads'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 16b89f2e3f45b49b1145168982e831efac7a04ce
[INFO] checking markushart/rustyheads against master#4455c8937007f3cc3c078375a335d86dbab391ce for pr-140956
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmarkushart%2Frustyheads" "/workspace/builds/worker-7-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-7-tc1/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/markushart/rustyheads
[INFO] finished tweaking git repo https://github.com/markushart/rustyheads
[INFO] tweaked toml for git repo https://github.com/markushart/rustyheads written to /workspace/builds/worker-7-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/markushart/rustyheads on toolchain 4455c8937007f3cc3c078375a335d86dbab391ce
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+4455c8937007f3cc3c078375a335d86dbab391ce" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/markushart/rustyheads 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" "+4455c8937007f3cc3c078375a335d86dbab391ce" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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@sha256:90999bfc7ae267e83380e433d8e61a7c072ca6729e92edbae886d3423b3a6f4c" "/opt/rustwide/cargo-home/bin/cargo" "+4455c8937007f3cc3c078375a335d86dbab391ce" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] aa7c88c354c9d8f21b12b84d257d0de0ff5193c325c479d617204dab9ab25641
[INFO] running `Command { std: "docker" "start" "-a" "aa7c88c354c9d8f21b12b84d257d0de0ff5193c325c479d617204dab9ab25641", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "aa7c88c354c9d8f21b12b84d257d0de0ff5193c325c479d617204dab9ab25641", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "aa7c88c354c9d8f21b12b84d257d0de0ff5193c325c479d617204dab9ab25641", kill_on_drop: false }`
[INFO] [stdout] aa7c88c354c9d8f21b12b84d257d0de0ff5193c325c479d617204dab9ab25641
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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@sha256:90999bfc7ae267e83380e433d8e61a7c072ca6729e92edbae886d3423b3a6f4c" "/opt/rustwide/cargo-home/bin/cargo" "+4455c8937007f3cc3c078375a335d86dbab391ce" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 3a5badea33b93ab2e64a5a8adb5c6e27aa9511fd4afbf204aa9b03aaa54199ab
[INFO] running `Command { std: "docker" "start" "-a" "3a5badea33b93ab2e64a5a8adb5c6e27aa9511fd4afbf204aa9b03aaa54199ab", kill_on_drop: false }`
[INFO] [stderr] Error response from daemon: mkdir /var/lib/docker/overlay2/699d130ce0fd08135132e10f79f76e312d1cbbb527acf981975a64900573a0cf/merged: no space left on device
[INFO] running `Command { std: "docker" "inspect" "3a5badea33b93ab2e64a5a8adb5c6e27aa9511fd4afbf204aa9b03aaa54199ab", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3a5badea33b93ab2e64a5a8adb5c6e27aa9511fd4afbf204aa9b03aaa54199ab", kill_on_drop: false }`
[INFO] [stdout] 3a5badea33b93ab2e64a5a8adb5c6e27aa9511fd4afbf204aa9b03aaa54199ab