[INFO] cloning repository https://github.com/mertunsall/rust_nn
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/mertunsall/rust_nn" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmertunsall%2Frust_nn", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmertunsall%2Frust_nn'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 040292e23056e7163efa7498feac457d3a470f35
[INFO] building mertunsall/rust_nn against try#8b8eff55bd72abbb57167bc42222a7f91d41cb0d for pr-142134-abi-ast-error
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmertunsall%2Frust_nn" "/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/mertunsall/rust_nn on toolchain 8b8eff55bd72abbb57167bc42222a7f91d41cb0d
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+8b8eff55bd72abbb57167bc42222a7f91d41cb0d" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/mertunsall/rust_nn
[INFO] finished tweaking git repo https://github.com/mertunsall/rust_nn
[INFO] tweaked toml for git repo https://github.com/mertunsall/rust_nn written to /workspace/builds/worker-3-tc2/source/Cargo.toml
[INFO] crate git repo https://github.com/mertunsall/rust_nn 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" "+8b8eff55bd72abbb57167bc42222a7f91d41cb0d" "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:eea15d5475069c3ef791f10c2c6b5af2ee421ef2da1e680ecce1cba46243983b" "/opt/rustwide/cargo-home/bin/cargo" "+8b8eff55bd72abbb57167bc42222a7f91d41cb0d" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] b8244a8a792d3b5d3023309f9ab3c086392f3bb5361f965fd9411e64e675bae5
[INFO] running `Command { std: "docker" "start" "-a" "b8244a8a792d3b5d3023309f9ab3c086392f3bb5361f965fd9411e64e675bae5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "b8244a8a792d3b5d3023309f9ab3c086392f3bb5361f965fd9411e64e675bae5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b8244a8a792d3b5d3023309f9ab3c086392f3bb5361f965fd9411e64e675bae5", kill_on_drop: false }`
[INFO] [stdout] b8244a8a792d3b5d3023309f9ab3c086392f3bb5361f965fd9411e64e675bae5
[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=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-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:eea15d5475069c3ef791f10c2c6b5af2ee421ef2da1e680ecce1cba46243983b" "/opt/rustwide/cargo-home/bin/cargo" "+8b8eff55bd72abbb57167bc42222a7f91d41cb0d" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 50f6dbcd2f3aa1337d412e96b30113679f0ca8ec90d8150352107e70b5c37fbb
[INFO] running `Command { std: "docker" "start" "-a" "50f6dbcd2f3aa1337d412e96b30113679f0ca8ec90d8150352107e70b5c37fbb", 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/50f6dbcd2f3aa1337d412e96b30113679f0ca8ec90d8150352107e70b5c37fbb: no space left on device: unknown
[INFO] running `Command { std: "docker" "inspect" "50f6dbcd2f3aa1337d412e96b30113679f0ca8ec90d8150352107e70b5c37fbb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "50f6dbcd2f3aa1337d412e96b30113679f0ca8ec90d8150352107e70b5c37fbb", kill_on_drop: false }`
[INFO] [stdout] 50f6dbcd2f3aa1337d412e96b30113679f0ca8ec90d8150352107e70b5c37fbb