[INFO] cloning repository https://github.com/wouhliss/matrix
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/wouhliss/matrix" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fwouhliss%2Fmatrix", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fwouhliss%2Fmatrix'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] a42e7a9d626cf4ff000623f26cf825bb37bfac4e
[INFO] checking wouhliss/matrix against master#17ffbc81a30c094193836a5d7f90dff273b5df93 for pr-138785
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fwouhliss%2Fmatrix" "/workspace/builds/worker-6-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-6-tc2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/wouhliss/matrix on toolchain 17ffbc81a30c094193836a5d7f90dff273b5df93
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+17ffbc81a30c094193836a5d7f90dff273b5df93" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/wouhliss/matrix
[INFO] finished tweaking git repo https://github.com/wouhliss/matrix
[INFO] tweaked toml for git repo https://github.com/wouhliss/matrix written to /workspace/builds/worker-6-tc2/source/Cargo.toml
[INFO] crate git repo https://github.com/wouhliss/matrix 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" "+17ffbc81a30c094193836a5d7f90dff273b5df93" "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-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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:b0b074c097205a61b89e8ad263052f976b2b332c4dc5f02aef1fe52501660d6e" "/opt/rustwide/cargo-home/bin/cargo" "+17ffbc81a30c094193836a5d7f90dff273b5df93" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 7ac033f9e3e81afab18ee905302d8612a5f11e36fbe5f49c4fdc520cc71a95f8
[INFO] running `Command { std: "docker" "start" "-a" "7ac033f9e3e81afab18ee905302d8612a5f11e36fbe5f49c4fdc520cc71a95f8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "7ac033f9e3e81afab18ee905302d8612a5f11e36fbe5f49c4fdc520cc71a95f8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7ac033f9e3e81afab18ee905302d8612a5f11e36fbe5f49c4fdc520cc71a95f8", kill_on_drop: false }`
[INFO] [stdout] 7ac033f9e3e81afab18ee905302d8612a5f11e36fbe5f49c4fdc520cc71a95f8
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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:b0b074c097205a61b89e8ad263052f976b2b332c4dc5f02aef1fe52501660d6e" "/opt/rustwide/cargo-home/bin/cargo" "+17ffbc81a30c094193836a5d7f90dff273b5df93" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] b7238ff19dd8afaf9ea32c33ab6f336b95400b4ade43740ea8a986c3e8bc7866
[INFO] running `Command { std: "docker" "start" "-a" "b7238ff19dd8afaf9ea32c33ab6f336b95400b4ade43740ea8a986c3e8bc7866", 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-6-tc2/target" to rootfs at "/opt/rustwide/target": mkdir /var/lib/docker/overlay2/961d9c4dcbd1c643a8c99c2b99a27a8a28570f44c132a1dcf2af609b361ecc0f/merged/opt/rustwide/target: no space left on device: unknown
[INFO] running `Command { std: "docker" "inspect" "b7238ff19dd8afaf9ea32c33ab6f336b95400b4ade43740ea8a986c3e8bc7866", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b7238ff19dd8afaf9ea32c33ab6f336b95400b4ade43740ea8a986c3e8bc7866", kill_on_drop: false }`
[INFO] [stdout] b7238ff19dd8afaf9ea32c33ab6f336b95400b4ade43740ea8a986c3e8bc7866