[INFO] cloning repository https://github.com/xasopheno/weresocool_ring_buffer
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/xasopheno/weresocool_ring_buffer" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fxasopheno%2Fweresocool_ring_buffer", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fxasopheno%2Fweresocool_ring_buffer'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] bc415d23050c58f491a08da16cf738f7f3d5fae5
[INFO] checking xasopheno/weresocool_ring_buffer against try#ef5216c337126ffe24d074826f4023948c4a9b8e for pr-137033
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fxasopheno%2Fweresocool_ring_buffer" "/workspace/builds/worker-3-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-3-tc2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/xasopheno/weresocool_ring_buffer on toolchain ef5216c337126ffe24d074826f4023948c4a9b8e
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ef5216c337126ffe24d074826f4023948c4a9b8e" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/xasopheno/weresocool_ring_buffer
[INFO] finished tweaking git repo https://github.com/xasopheno/weresocool_ring_buffer
[INFO] tweaked toml for git repo https://github.com/xasopheno/weresocool_ring_buffer written to /workspace/builds/worker-3-tc2/source/Cargo.toml
[INFO] crate git repo https://github.com/xasopheno/weresocool_ring_buffer 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" "+ef5216c337126ffe24d074826f4023948c4a9b8e" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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@sha256:3959728d45483eb673ba100a951a6b9f5012970368db2a9e08e0ac9b67c8a5ad" "/opt/rustwide/cargo-home/bin/cargo" "+ef5216c337126ffe24d074826f4023948c4a9b8e" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] f29a5df62faf43f265e2f263f7c347da99ced5ff8d9fda42edb4347e8f9ef6b0
[INFO] running `Command { std: "docker" "start" "-a" "f29a5df62faf43f265e2f263f7c347da99ced5ff8d9fda42edb4347e8f9ef6b0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "f29a5df62faf43f265e2f263f7c347da99ced5ff8d9fda42edb4347e8f9ef6b0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f29a5df62faf43f265e2f263f7c347da99ced5ff8d9fda42edb4347e8f9ef6b0", kill_on_drop: false }`
[INFO] [stdout] f29a5df62faf43f265e2f263f7c347da99ced5ff8d9fda42edb4347e8f9ef6b0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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@sha256:3959728d45483eb673ba100a951a6b9f5012970368db2a9e08e0ac9b67c8a5ad" "/opt/rustwide/cargo-home/bin/cargo" "+ef5216c337126ffe24d074826f4023948c4a9b8e" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] b06dd9764efb619cac1d28b2653cdfb02ba826eb384321294b034cf311332a4a
[INFO] running `Command { std: "docker" "start" "-a" "b06dd9764efb619cac1d28b2653cdfb02ba826eb384321294b034cf311332a4a", kill_on_drop: false }`
[INFO] [stderr] Error response from daemon: mkdir /var/lib/docker/overlay2/357eaa3528a071da455b17fe099c7cec4ff4e67eb74ef9392106477ac91a045a/merged: no space left on device
[INFO] running `Command { std: "docker" "inspect" "b06dd9764efb619cac1d28b2653cdfb02ba826eb384321294b034cf311332a4a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b06dd9764efb619cac1d28b2653cdfb02ba826eb384321294b034cf311332a4a", kill_on_drop: false }`
[INFO] [stdout] b06dd9764efb619cac1d28b2653cdfb02ba826eb384321294b034cf311332a4a