[INFO] cloning repository https://github.com/letmutex/rust-substring
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/letmutex/rust-substring" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fletmutex%2Frust-substring", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fletmutex%2Frust-substring'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 992b826797a57478fcb63b1311a309213af20ad6
[INFO] checking letmutex/rust-substring against try#a75eafceea413a1b40c0e0769db85e08ec17160b for pr-133925
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fletmutex%2Frust-substring" "/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/letmutex/rust-substring on toolchain a75eafceea413a1b40c0e0769db85e08ec17160b
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+a75eafceea413a1b40c0e0769db85e08ec17160b" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/letmutex/rust-substring
[INFO] finished tweaking git repo https://github.com/letmutex/rust-substring
[INFO] tweaked toml for git repo https://github.com/letmutex/rust-substring written to /workspace/builds/worker-1-tc2/source/Cargo.toml
[INFO] crate git repo https://github.com/letmutex/rust-substring 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" "+a75eafceea413a1b40c0e0769db85e08ec17160b" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[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:c80049f3b88b82089a44e0f06d0d6029d44b96b7257e55a1cd63dbc9f4c33334" "/opt/rustwide/cargo-home/bin/cargo" "+a75eafceea413a1b40c0e0769db85e08ec17160b" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] cba8f5aab173495bb843a5d2657864eca2ceffde8982fc2d24e5bec6fa97dbae
[INFO] running `Command { std: "docker" "start" "-a" "cba8f5aab173495bb843a5d2657864eca2ceffde8982fc2d24e5bec6fa97dbae", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "cba8f5aab173495bb843a5d2657864eca2ceffde8982fc2d24e5bec6fa97dbae", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "cba8f5aab173495bb843a5d2657864eca2ceffde8982fc2d24e5bec6fa97dbae", kill_on_drop: false }`
[INFO] [stdout] cba8f5aab173495bb843a5d2657864eca2ceffde8982fc2d24e5bec6fa97dbae
[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" "-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:c80049f3b88b82089a44e0f06d0d6029d44b96b7257e55a1cd63dbc9f4c33334" "/opt/rustwide/cargo-home/bin/cargo" "+a75eafceea413a1b40c0e0769db85e08ec17160b" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 338dab1d840967b0039ede370eaaec4ed860441cdb04b0d6d712d7ab469033da
[INFO] running `Command { std: "docker" "start" "-a" "338dab1d840967b0039ede370eaaec4ed860441cdb04b0d6d712d7ab469033da", kill_on_drop: false }`
[INFO] [stderr] Error response from daemon: failed to create task for container: failed to start shim: mkdir /var/lib/containerd/io.containerd.runtime.v2.task/moby/338dab1d840967b0039ede370eaaec4ed860441cdb04b0d6d712d7ab469033da: no space left on device: unknown
[INFO] running `Command { std: "docker" "inspect" "338dab1d840967b0039ede370eaaec4ed860441cdb04b0d6d712d7ab469033da", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "338dab1d840967b0039ede370eaaec4ed860441cdb04b0d6d712d7ab469033da", kill_on_drop: false }`
[INFO] [stdout] 338dab1d840967b0039ede370eaaec4ed860441cdb04b0d6d712d7ab469033da