[INFO] cloning repository https://github.com/henrik-knudsen/rust-intro-regex
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/henrik-knudsen/rust-intro-regex" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fhenrik-knudsen%2Frust-intro-regex", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fhenrik-knudsen%2Frust-intro-regex'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] eaae99f20a2444a1c519347c79c817296febb3e5
[INFO] checking henrik-knudsen/rust-intro-regex against try#b047d5f4496a7526d91d0dddea494c05853f2a7b for pr-122661-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fhenrik-knudsen%2Frust-intro-regex" "/workspace/builds/worker-4-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/henrik-knudsen/rust-intro-regex
[INFO] finished tweaking git repo https://github.com/henrik-knudsen/rust-intro-regex
[INFO] tweaked toml for git repo https://github.com/henrik-knudsen/rust-intro-regex written to /workspace/builds/worker-4-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/henrik-knudsen/rust-intro-regex on toolchain b047d5f4496a7526d91d0dddea494c05853f2a7b
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+b047d5f4496a7526d91d0dddea494c05853f2a7b" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/henrik-knudsen/rust-intro-regex 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" "+b047d5f4496a7526d91d0dddea494c05853f2a7b" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr] warning: virtual workspace defaulting to `resolver = "1"` despite one or more workspace members being on edition 2021 which implies `resolver = "2"`
[INFO] [stderr] note: to keep the current resolver, specify `workspace.resolver = "1"` in the workspace root's manifest
[INFO] [stderr] note: to use the edition 2021 resolver, specify `workspace.resolver = "2"` in the workspace root's manifest
[INFO] [stderr] note: for more details see https://doc.rust-lang.org/cargo/reference/resolver.html#resolver-versions
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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:cf8efcab8866f2cf4285301c7418e2f4f2a9b088c91ba69c40d5b659f81557f7" "/opt/rustwide/cargo-home/bin/cargo" "+b047d5f4496a7526d91d0dddea494c05853f2a7b" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] c963080298ccc86cc28e3b75c2336c0e40fbbf62830d821ced80342bbc8654c7
[INFO] running `Command { std: "docker" "start" "-a" "c963080298ccc86cc28e3b75c2336c0e40fbbf62830d821ced80342bbc8654c7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "c963080298ccc86cc28e3b75c2336c0e40fbbf62830d821ced80342bbc8654c7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c963080298ccc86cc28e3b75c2336c0e40fbbf62830d821ced80342bbc8654c7", kill_on_drop: false }`
[INFO] [stdout] c963080298ccc86cc28e3b75c2336c0e40fbbf62830d821ced80342bbc8654c7
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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:cf8efcab8866f2cf4285301c7418e2f4f2a9b088c91ba69c40d5b659f81557f7" "/opt/rustwide/cargo-home/bin/cargo" "+b047d5f4496a7526d91d0dddea494c05853f2a7b" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] dc46821952f81624e81b05eee85ae822a43d1fdbfe64a37c12cadcae0fb600fc
[INFO] running `Command { std: "docker" "start" "-a" "dc46821952f81624e81b05eee85ae822a43d1fdbfe64a37c12cadcae0fb600fc", 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/builds/worker-4-tc2/target" to rootfs at "/opt/rustwide/target": create mountpoint for /opt/rustwide/target mount: mkdirat /var/lib/docker/overlay2/8d375143d3d3a27f5d8bb5f65652e13172630dc8652ab86022c43da57319af5b/merged/opt/rustwide/target: no space left on device: unknown
[INFO] running `Command { std: "docker" "inspect" "dc46821952f81624e81b05eee85ae822a43d1fdbfe64a37c12cadcae0fb600fc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "dc46821952f81624e81b05eee85ae822a43d1fdbfe64a37c12cadcae0fb600fc", kill_on_drop: false }`
[INFO] [stdout] dc46821952f81624e81b05eee85ae822a43d1fdbfe64a37c12cadcae0fb600fc