[INFO] cloning repository https://github.com/wtfrank/dump_btrfs
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/wtfrank/dump_btrfs" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fwtfrank%2Fdump_btrfs", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fwtfrank%2Fdump_btrfs'...
[INFO] [stderr] /workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fwtfrank%2Fdump_btrfs: No space left on device
[WARN] Retrying crate fetch in 3 seconds (attempt 1)
[INFO] cloning repository https://github.com/wtfrank/dump_btrfs
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/wtfrank/dump_btrfs" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fwtfrank%2Fdump_btrfs", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fwtfrank%2Fdump_btrfs'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 4744ed0d23f87f876d91365717180b3bd0ccc05d
[INFO] checking wtfrank/dump_btrfs against master#a7fc463dd8fbeca800d4b3efc501069502cffe64 for pr-136988
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fwtfrank%2Fdump_btrfs" "/workspace/builds/worker-2-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-2-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/wtfrank/dump_btrfs on toolchain a7fc463dd8fbeca800d4b3efc501069502cffe64
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+a7fc463dd8fbeca800d4b3efc501069502cffe64" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/wtfrank/dump_btrfs
[INFO] finished tweaking git repo https://github.com/wtfrank/dump_btrfs
[INFO] tweaked toml for git repo https://github.com/wtfrank/dump_btrfs written to /workspace/builds/worker-2-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/wtfrank/dump_btrfs 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" "+a7fc463dd8fbeca800d4b3efc501069502cffe64" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded sysconf v0.3.4
[INFO] [stderr]   Downloaded ioctls v0.6.1
[INFO] [stderr]   Downloaded ioctl-sys v0.7.1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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@sha256:4b26683ee3c49f365255c425c23003cbf4366de097804722c29c5bbbee3624d2" "/opt/rustwide/cargo-home/bin/cargo" "+a7fc463dd8fbeca800d4b3efc501069502cffe64" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 3fc99efd8dc137170376fbfe792d1b0e78a4621f80d8c2e9992181838225fe3c
[INFO] running `Command { std: "docker" "start" "-a" "3fc99efd8dc137170376fbfe792d1b0e78a4621f80d8c2e9992181838225fe3c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "3fc99efd8dc137170376fbfe792d1b0e78a4621f80d8c2e9992181838225fe3c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3fc99efd8dc137170376fbfe792d1b0e78a4621f80d8c2e9992181838225fe3c", kill_on_drop: false }`
[INFO] [stdout] 3fc99efd8dc137170376fbfe792d1b0e78a4621f80d8c2e9992181838225fe3c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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@sha256:4b26683ee3c49f365255c425c23003cbf4366de097804722c29c5bbbee3624d2" "/opt/rustwide/cargo-home/bin/cargo" "+a7fc463dd8fbeca800d4b3efc501069502cffe64" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 04e9646411cc9588c657139346c2f48ce74cbfc069e3f564e4b5ba0cd10b7536
[INFO] running `Command { std: "docker" "start" "-a" "04e9646411cc9588c657139346c2f48ce74cbfc069e3f564e4b5ba0cd10b7536", 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/overlay2/13d41b6be4cee22088bf1166116445c7d23f153aa39db674537834fb3e504070/merged/opt/rustwide/rustup-home: no space left on device: unknown
[INFO] running `Command { std: "docker" "inspect" "04e9646411cc9588c657139346c2f48ce74cbfc069e3f564e4b5ba0cd10b7536", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "04e9646411cc9588c657139346c2f48ce74cbfc069e3f564e4b5ba0cd10b7536", kill_on_drop: false }`
[INFO] [stdout] 04e9646411cc9588c657139346c2f48ce74cbfc069e3f564e4b5ba0cd10b7536