[INFO] cloning repository https://github.com/zainulabideenbawa/Rust_Generics
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/zainulabideenbawa/Rust_Generics" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fzainulabideenbawa%2FRust_Generics", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fzainulabideenbawa%2FRust_Generics'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 50d85a0566349b92246617272d2a6d01bed61c08
[INFO] checking zainulabideenbawa/Rust_Generics against master#03eb45452305f2d52348279d0caa5fc1f12c438d for pr-138176
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fzainulabideenbawa%2FRust_Generics" "/workspace/builds/worker-6-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-6-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/zainulabideenbawa/Rust_Generics on toolchain 03eb45452305f2d52348279d0caa5fc1f12c438d
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+03eb45452305f2d52348279d0caa5fc1f12c438d" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/zainulabideenbawa/Rust_Generics
[INFO] finished tweaking git repo https://github.com/zainulabideenbawa/Rust_Generics
[INFO] tweaked toml for git repo https://github.com/zainulabideenbawa/Rust_Generics written to /workspace/builds/worker-6-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/zainulabideenbawa/Rust_Generics 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" "+03eb45452305f2d52348279d0caa5fc1f12c438d" "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-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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@sha256:1680c8fbd8dfb46fcd6d22e546df16ab0e007457dc29fcd9e987cdd5077fd1af" "/opt/rustwide/cargo-home/bin/cargo" "+03eb45452305f2d52348279d0caa5fc1f12c438d" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 02f3183402306d8de389f08c3d7061f3d43c53f912c4fddf7ca98b5de40475f0
[INFO] running `Command { std: "docker" "start" "-a" "02f3183402306d8de389f08c3d7061f3d43c53f912c4fddf7ca98b5de40475f0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "02f3183402306d8de389f08c3d7061f3d43c53f912c4fddf7ca98b5de40475f0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "02f3183402306d8de389f08c3d7061f3d43c53f912c4fddf7ca98b5de40475f0", kill_on_drop: false }`
[INFO] [stdout] 02f3183402306d8de389f08c3d7061f3d43c53f912c4fddf7ca98b5de40475f0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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@sha256:1680c8fbd8dfb46fcd6d22e546df16ab0e007457dc29fcd9e987cdd5077fd1af" "/opt/rustwide/cargo-home/bin/cargo" "+03eb45452305f2d52348279d0caa5fc1f12c438d" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 59db61cf60213019c77655cfd6713f834dc0b69f28cd012eaae0aaa4a7c87e08
[INFO] running `Command { std: "docker" "start" "-a" "59db61cf60213019c77655cfd6713f834dc0b69f28cd012eaae0aaa4a7c87e08", 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/overlay2/09b71c673b89248160de21d69407a4900398d97b62559dfba3567ddcf93e2fe5/merged/opt/rustwide/cargo-home: no space left on device: unknown
[INFO] running `Command { std: "docker" "inspect" "59db61cf60213019c77655cfd6713f834dc0b69f28cd012eaae0aaa4a7c87e08", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "59db61cf60213019c77655cfd6713f834dc0b69f28cd012eaae0aaa4a7c87e08", kill_on_drop: false }`
[INFO] [stdout] 59db61cf60213019c77655cfd6713f834dc0b69f28cd012eaae0aaa4a7c87e08