[INFO] cloning repository https://github.com/mazhewitt/rust-playground
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/mazhewitt/rust-playground" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmazhewitt%2Frust-playground", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmazhewitt%2Frust-playground'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 9833f934bc4d7ba66ee2ace90b8bbbe6aa76d356
[INFO] building mazhewitt/rust-playground against master#ad211ced81509462cdfe4c29ed10f97279a0acae for pr-135216
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmazhewitt%2Frust-playground" "/workspace/builds/worker-0-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-0-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/mazhewitt/rust-playground on toolchain ad211ced81509462cdfe4c29ed10f97279a0acae
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ad211ced81509462cdfe4c29ed10f97279a0acae" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/mazhewitt/rust-playground
[INFO] finished tweaking git repo https://github.com/mazhewitt/rust-playground
[INFO] tweaked toml for git repo https://github.com/mazhewitt/rust-playground written to /workspace/builds/worker-0-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/mazhewitt/rust-playground 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" "+ad211ced81509462cdfe4c29ed10f97279a0acae" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded fragile v1.2.2
[INFO] [stderr]   Downloaded mockall_double v0.3.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/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:f3a9d4ad9d972b27faf3965f35b62e55ba32bbce8f20bc8fe909558a86702fde" "/opt/rustwide/cargo-home/bin/cargo" "+ad211ced81509462cdfe4c29ed10f97279a0acae" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 421ee8bb7f705d2dbdbdd099ced049a08fd67df847235fc5c794745198325473
[INFO] running `Command { std: "docker" "start" "-a" "421ee8bb7f705d2dbdbdd099ced049a08fd67df847235fc5c794745198325473", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "421ee8bb7f705d2dbdbdd099ced049a08fd67df847235fc5c794745198325473", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "421ee8bb7f705d2dbdbdd099ced049a08fd67df847235fc5c794745198325473", kill_on_drop: false }`
[INFO] [stdout] 421ee8bb7f705d2dbdbdd099ced049a08fd67df847235fc5c794745198325473
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/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:f3a9d4ad9d972b27faf3965f35b62e55ba32bbce8f20bc8fe909558a86702fde" "/opt/rustwide/cargo-home/bin/cargo" "+ad211ced81509462cdfe4c29ed10f97279a0acae" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] c8a83c72e8ede0f45d6c644748f7439969a1cdabd3e43869b6bdf4900f8c2be0
[INFO] running `Command { std: "docker" "start" "-a" "c8a83c72e8ede0f45d6c644748f7439969a1cdabd3e43869b6bdf4900f8c2be0", kill_on_drop: false }`
[INFO] [stderr] Error response from daemon: mkdir /var/lib/docker/overlay2/b9b2f4137ce336d1fdce2645ee1e0386faf4d993cc2595294b0120c111f745e8/merged: no space left on device
[INFO] running `Command { std: "docker" "inspect" "c8a83c72e8ede0f45d6c644748f7439969a1cdabd3e43869b6bdf4900f8c2be0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c8a83c72e8ede0f45d6c644748f7439969a1cdabd3e43869b6bdf4900f8c2be0", kill_on_drop: false }`
[INFO] [stdout] c8a83c72e8ede0f45d6c644748f7439969a1cdabd3e43869b6bdf4900f8c2be0