[INFO] cloning repository https://github.com/pcwalton/fast-itoa
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/pcwalton/fast-itoa" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fpcwalton%2Ffast-itoa", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fpcwalton%2Ffast-itoa'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 1ca1c3153332e6265d4050724b97a8b7168cab6c
[INFO] checking pcwalton/fast-itoa against master#8365fcb2b840c95eeb0bc377af8bd498fad22245 for pr-145605
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fpcwalton%2Ffast-itoa" "/workspace/builds/worker-6-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-6-tc1/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/pcwalton/fast-itoa
[INFO] finished tweaking git repo https://github.com/pcwalton/fast-itoa
[INFO] tweaked toml for git repo https://github.com/pcwalton/fast-itoa written to /workspace/builds/worker-6-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/pcwalton/fast-itoa on toolchain 8365fcb2b840c95eeb0bc377af8bd498fad22245
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+8365fcb2b840c95eeb0bc377af8bd498fad22245" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/pcwalton/fast-itoa 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" "+8365fcb2b840c95eeb0bc377af8bd498fad22245" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr] warning: unused manifest key: package.crate-type
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+8365fcb2b840c95eeb0bc377af8bd498fad22245" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 933a80f21da63a0d9f4503fc1c503fdf9adda67006a2c1c45be2a840a98e1e9d
[INFO] running `Command { std: "docker" "start" "-a" "933a80f21da63a0d9f4503fc1c503fdf9adda67006a2c1c45be2a840a98e1e9d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "933a80f21da63a0d9f4503fc1c503fdf9adda67006a2c1c45be2a840a98e1e9d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "933a80f21da63a0d9f4503fc1c503fdf9adda67006a2c1c45be2a840a98e1e9d", kill_on_drop: false }`
[INFO] [stdout] 933a80f21da63a0d9f4503fc1c503fdf9adda67006a2c1c45be2a840a98e1e9d


command failed: exit status: 1

Error response from daemon: mkdir /var/lib/docker/overlay2/0ffa1e91bbc4fd2c4b17e12cab7dcbe880e0a8dfb3bd18564ae319e6e7c3eccf/merged: no space left on device