[INFO] cloning repository https://github.com/xb4ucNy/rust-coding-test
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/xb4ucNy/rust-coding-test" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fxb4ucNy%2Frust-coding-test", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fxb4ucNy%2Frust-coding-test'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 6edd9ec8729eed080c8f50f561f951b1a472d847
[INFO] testing xb4ucNy/rust-coding-test against try#a7ce54db9b096bd1098d07c645b489195a667c9f for pr-137940
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fxb4ucNy%2Frust-coding-test" "/workspace/builds/worker-7-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-7-tc2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/xb4ucNy/rust-coding-test on toolchain a7ce54db9b096bd1098d07c645b489195a667c9f
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+a7ce54db9b096bd1098d07c645b489195a667c9f" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/xb4ucNy/rust-coding-test
[INFO] finished tweaking git repo https://github.com/xb4ucNy/rust-coding-test
[INFO] tweaked toml for git repo https://github.com/xb4ucNy/rust-coding-test written to /workspace/builds/worker-7-tc2/source/Cargo.toml
[INFO] crate git repo https://github.com/xb4ucNy/rust-coding-test 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" "+a7ce54db9b096bd1098d07c645b489195a667c9f" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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@sha256:1680c8fbd8dfb46fcd6d22e546df16ab0e007457dc29fcd9e987cdd5077fd1af" "/opt/rustwide/cargo-home/bin/cargo" "+a7ce54db9b096bd1098d07c645b489195a667c9f" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] d92427759983341a7c7bf7f2fdefe355518c21214f7c42c834bcb49d6b89bf95
[INFO] running `Command { std: "docker" "start" "-a" "d92427759983341a7c7bf7f2fdefe355518c21214f7c42c834bcb49d6b89bf95", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "d92427759983341a7c7bf7f2fdefe355518c21214f7c42c834bcb49d6b89bf95", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d92427759983341a7c7bf7f2fdefe355518c21214f7c42c834bcb49d6b89bf95", kill_on_drop: false }`
[INFO] [stdout] d92427759983341a7c7bf7f2fdefe355518c21214f7c42c834bcb49d6b89bf95
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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@sha256:1680c8fbd8dfb46fcd6d22e546df16ab0e007457dc29fcd9e987cdd5077fd1af" "/opt/rustwide/cargo-home/bin/cargo" "+a7ce54db9b096bd1098d07c645b489195a667c9f" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] aa2aad6c73dea7361bfe4170878f446f5a3484a113cd8ccb1cc1f0a0d33c37b9
[INFO] running `Command { std: "docker" "start" "-a" "aa2aad6c73dea7361bfe4170878f446f5a3484a113cd8ccb1cc1f0a0d33c37b9", kill_on_drop: false }`
[INFO] [stderr] Error response from daemon: mkdir /var/lib/docker/overlay2/358810d016f0068997ef4a0c531828cde56ba4dc921e573825211d412e9a69cd/merged: no space left on device
[INFO] running `Command { std: "docker" "inspect" "aa2aad6c73dea7361bfe4170878f446f5a3484a113cd8ccb1cc1f0a0d33c37b9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "aa2aad6c73dea7361bfe4170878f446f5a3484a113cd8ccb1cc1f0a0d33c37b9", kill_on_drop: false }`
[INFO] [stdout] aa2aad6c73dea7361bfe4170878f446f5a3484a113cd8ccb1cc1f0a0d33c37b9