[INFO] cloning repository https://github.com/den-taku/two-edge-connected-induced-subgraphs
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/den-taku/two-edge-connected-induced-subgraphs" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fden-taku%2Ftwo-edge-connected-induced-subgraphs", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fden-taku%2Ftwo-edge-connected-induced-subgraphs'...
[INFO] [stderr] /workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fden-taku%2Ftwo-edge-connected-induced-subgraphs: No space left on device
[WARN] Retrying crate fetch in 3 seconds (attempt 1)
[INFO] cloning repository https://github.com/den-taku/two-edge-connected-induced-subgraphs
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/den-taku/two-edge-connected-induced-subgraphs" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fden-taku%2Ftwo-edge-connected-induced-subgraphs", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fden-taku%2Ftwo-edge-connected-induced-subgraphs'...
[INFO] [stderr] /workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fden-taku%2Ftwo-edge-connected-induced-subgraphs: No space left on device
[WARN] Retrying crate fetch in 3 seconds (attempt 2)
[INFO] cloning repository https://github.com/den-taku/two-edge-connected-induced-subgraphs
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/den-taku/two-edge-connected-induced-subgraphs" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fden-taku%2Ftwo-edge-connected-induced-subgraphs", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fden-taku%2Ftwo-edge-connected-induced-subgraphs'...
[INFO] [stderr] /workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fden-taku%2Ftwo-edge-connected-induced-subgraphs: No space left on device
[WARN] Retrying crate fetch in 3 seconds (attempt 3)
[INFO] cloning repository https://github.com/den-taku/two-edge-connected-induced-subgraphs
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/den-taku/two-edge-connected-induced-subgraphs" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fden-taku%2Ftwo-edge-connected-induced-subgraphs", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fden-taku%2Ftwo-edge-connected-induced-subgraphs'...
[INFO] [stderr] /workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fden-taku%2Ftwo-edge-connected-induced-subgraphs: No space left on device
[WARN] Retrying crate fetch in 3 seconds (attempt 4)
[INFO] cloning repository https://github.com/den-taku/two-edge-connected-induced-subgraphs
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/den-taku/two-edge-connected-induced-subgraphs" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fden-taku%2Ftwo-edge-connected-induced-subgraphs", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fden-taku%2Ftwo-edge-connected-induced-subgraphs'...
[INFO] [stderr] error: failed to write new configuration file /workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fden-taku%2Ftwo-edge-connected-induced-subgraphs/config.lock
[INFO] [stderr] fatal: could not set 'core.filemode' to 'true'
[WARN] Retrying crate fetch in 3 seconds (attempt 5)
[INFO] cloning repository https://github.com/den-taku/two-edge-connected-induced-subgraphs
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/den-taku/two-edge-connected-induced-subgraphs" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fden-taku%2Ftwo-edge-connected-induced-subgraphs", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fden-taku%2Ftwo-edge-connected-induced-subgraphs'...
[INFO] [stderr] error: copy-fd: write returned: No space left on device
[INFO] [stderr] fatal: cannot copy '/usr/share/git-core/templates/hooks/update.sample' to '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fden-taku%2Ftwo-edge-connected-induced-subgraphs/hooks/update.sample': No space left on device
[WARN] Retrying crate fetch in 3 seconds (attempt 6)
[INFO] cloning repository https://github.com/den-taku/two-edge-connected-induced-subgraphs
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/den-taku/two-edge-connected-induced-subgraphs" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fden-taku%2Ftwo-edge-connected-induced-subgraphs", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fden-taku%2Ftwo-edge-connected-induced-subgraphs'...
[INFO] [stderr] error: unable to write symref for HEAD: No space left on device
[WARN] Retrying crate fetch in 3 seconds (attempt 7)
[INFO] cloning repository https://github.com/den-taku/two-edge-connected-induced-subgraphs
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/den-taku/two-edge-connected-induced-subgraphs" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fden-taku%2Ftwo-edge-connected-induced-subgraphs", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fden-taku%2Ftwo-edge-connected-induced-subgraphs'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] c0a9762b97da3a06c50f760be84b69a85037168e
[INFO] checking den-taku/two-edge-connected-induced-subgraphs against master#2fcf1776b9ccef89993dfe40e9f5c4908e2d2d48 for pr-142723
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fden-taku%2Ftwo-edge-connected-induced-subgraphs" "/workspace/builds/worker-6-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-6-tc1/source'...
[INFO] [stderr] error: failed to write new configuration file /workspace/builds/worker-6-tc1/source/.git/config.lock
[INFO] [stderr] fatal: could not set 'core.bare' to 'false'


failed to checkout https://github.com/den-taku/two-edge-connected-induced-subgraphs

Caused by:
    command failed: exit status: 128