[INFO] cloning repository https://github.com/nipeshkc7/rustlings-completed-solutions
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/nipeshkc7/rustlings-completed-solutions" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fnipeshkc7%2Frustlings-completed-solutions", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fnipeshkc7%2Frustlings-completed-solutions'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 75aea864866ebdd8a8e0b7607b363f901f1bc45e
[INFO] checking nipeshkc7/rustlings-completed-solutions against try#6db1a6a7ebb2ad243051f3ff949f987dd70cde2b+rustflags=-Dreturn-local-variable-ptr for pr-134218
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fnipeshkc7%2Frustlings-completed-solutions" "/workspace/builds/worker-1-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-1-tc2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/nipeshkc7/rustlings-completed-solutions on toolchain 6db1a6a7ebb2ad243051f3ff949f987dd70cde2b
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+6db1a6a7ebb2ad243051f3ff949f987dd70cde2b" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/nipeshkc7/rustlings-completed-solutions
[INFO] finished tweaking git repo https://github.com/nipeshkc7/rustlings-completed-solutions
[INFO] tweaked toml for git repo https://github.com/nipeshkc7/rustlings-completed-solutions written to /workspace/builds/worker-1-tc2/source/Cargo.toml
[INFO] crate git repo https://github.com/nipeshkc7/rustlings-completed-solutions 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" "+6db1a6a7ebb2ad243051f3ff949f987dd70cde2b" "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-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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:f3a9d4ad9d972b27faf3965f35b62e55ba32bbce8f20bc8fe909558a86702fde" "/opt/rustwide/cargo-home/bin/cargo" "+6db1a6a7ebb2ad243051f3ff949f987dd70cde2b" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 7e0a2ecf844b56440e1596e74b15e3f74f2191ad719f84f66402445d15d73040
[INFO] running `Command { std: "docker" "start" "-a" "7e0a2ecf844b56440e1596e74b15e3f74f2191ad719f84f66402445d15d73040", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "7e0a2ecf844b56440e1596e74b15e3f74f2191ad719f84f66402445d15d73040", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7e0a2ecf844b56440e1596e74b15e3f74f2191ad719f84f66402445d15d73040", kill_on_drop: false }`
[INFO] [stdout] 7e0a2ecf844b56440e1596e74b15e3f74f2191ad719f84f66402445d15d73040
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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 -Dreturn-local-variable-ptr" "-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" "+6db1a6a7ebb2ad243051f3ff949f987dd70cde2b" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 5df4453b951dbe5cf6fdf1f2a0424037b70ec1895bc04cde34dcb5e51e2dc367
[INFO] running `Command { std: "docker" "start" "-a" "5df4453b951dbe5cf6fdf1f2a0424037b70ec1895bc04cde34dcb5e51e2dc367", 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/rustup-home" to rootfs at "/opt/rustwide/rustup-home": mkdir /var/lib/docker/overlay2/851b975c1121b9a1c387d38caa46f115ff7c9503c0550d16580990e32d55ceff/merged/opt/rustwide/rustup-home: no space left on device: unknown
[INFO] running `Command { std: "docker" "inspect" "5df4453b951dbe5cf6fdf1f2a0424037b70ec1895bc04cde34dcb5e51e2dc367", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5df4453b951dbe5cf6fdf1f2a0424037b70ec1895bc04cde34dcb5e51e2dc367", kill_on_drop: false }`
[INFO] [stdout] 5df4453b951dbe5cf6fdf1f2a0424037b70ec1895bc04cde34dcb5e51e2dc367