[INFO] cloning repository https://github.com/smolcert/smolcert-rust
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/smolcert/smolcert-rust" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsmolcert%2Fsmolcert-rust", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsmolcert%2Fsmolcert-rust'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] e2a0ab7280800f5859969556fc945a6843423df2
[INFO] checking smolcert/smolcert-rust against master#4847d6a9d07d4be9ba3196f6ad444af2d7bdde72 for pr-134276
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsmolcert%2Fsmolcert-rust" "/workspace/builds/worker-4-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/smolcert/smolcert-rust on toolchain 4847d6a9d07d4be9ba3196f6ad444af2d7bdde72
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+4847d6a9d07d4be9ba3196f6ad444af2d7bdde72" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/smolcert/smolcert-rust
[INFO] finished tweaking git repo https://github.com/smolcert/smolcert-rust
[INFO] tweaked toml for git repo https://github.com/smolcert/smolcert-rust written to /workspace/builds/worker-4-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/smolcert/smolcert-rust 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" "+4847d6a9d07d4be9ba3196f6ad444af2d7bdde72" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded ed25519-dalek v1.0.0-pre.3
[INFO] [stderr]   Downloaded subtle v2.2.2
[INFO] [stderr]   Downloaded half v1.4.1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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" "+4847d6a9d07d4be9ba3196f6ad444af2d7bdde72" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] e9263b5a6abcb82cf0e83e71b9492c115c1883c44a8f2a908f3f49e7783fbfad
[INFO] running `Command { std: "docker" "start" "-a" "e9263b5a6abcb82cf0e83e71b9492c115c1883c44a8f2a908f3f49e7783fbfad", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "e9263b5a6abcb82cf0e83e71b9492c115c1883c44a8f2a908f3f49e7783fbfad", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e9263b5a6abcb82cf0e83e71b9492c115c1883c44a8f2a908f3f49e7783fbfad", kill_on_drop: false }`
[INFO] [stdout] e9263b5a6abcb82cf0e83e71b9492c115c1883c44a8f2a908f3f49e7783fbfad
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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" "+4847d6a9d07d4be9ba3196f6ad444af2d7bdde72" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] e7bf395ec0ac9e2ae921c9b616d72c4c2cab196fb72886a15bc1b3ae9c428753
[INFO] running `Command { std: "docker" "start" "-a" "e7bf395ec0ac9e2ae921c9b616d72c4c2cab196fb72886a15bc1b3ae9c428753", 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/f6e5e01cf39daeed23db07da65deea18e2834bf07428f058196088e4e3776391/merged/opt/rustwide/cargo-home: no space left on device: unknown
[INFO] running `Command { std: "docker" "inspect" "e7bf395ec0ac9e2ae921c9b616d72c4c2cab196fb72886a15bc1b3ae9c428753", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e7bf395ec0ac9e2ae921c9b616d72c4c2cab196fb72886a15bc1b3ae9c428753", kill_on_drop: false }`
[INFO] [stdout] e7bf395ec0ac9e2ae921c9b616d72c4c2cab196fb72886a15bc1b3ae9c428753