[INFO] cloning repository https://github.com/zf-w/Learn-CS
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/zf-w/Learn-CS" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fzf-w%2FLearn-CS", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fzf-w%2FLearn-CS'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 7ac47da3945aa70c128dd65885bb4cb8394d7404
[INFO] testing zf-w/Learn-CS against try#a7ce54db9b096bd1098d07c645b489195a667c9f for pr-137940
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fzf-w%2FLearn-CS" "/workspace/builds/worker-4-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4-tc2/source'...
[INFO] [stderr] done.
[INFO] [stderr] error: unable to write file problems/lc1630.rs
[INFO] [stderr] error: unable to write file problems/lc1636.rs
[INFO] [stderr] error: unable to write file problems/lc1637.rs
[INFO] [stderr] error: unable to write file problems/lc1642.rs
[INFO] [stderr] error: unable to write file problems/lc1652.rs
[INFO] [stderr] error: unable to write file problems/lc1653.rs
[INFO] [stderr] error: unable to write file problems/lc1657.rs
[INFO] [stderr] error: unable to write file problems/lc1662.rs
[INFO] [stderr] error: unable to write file problems/lc1669.rs
[INFO] [stderr] error: unable to write file problems/lc1684.rs
[INFO] [stderr] error: unable to write file problems/lc1685.rs
[INFO] [stderr] error: unable to write file problems/lc1688.rs
[INFO] [stderr] fatal: cannot create directory at 'problems/lc17nn': No space left on device
[INFO] [stderr] warning: Clone succeeded, but checkout failed.
[INFO] [stderr] You can inspect what was checked out with 'git status'
[INFO] [stderr] and retry with 'git restore --source=HEAD :/'
[INFO] [stderr] 
[INFO] testing zf-w/Learn-CS against try#a7ce54db9b096bd1098d07c645b489195a667c9f for pr-137940
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fzf-w%2FLearn-CS" "/workspace/builds/worker-4-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4-tc2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/zf-w/Learn-CS 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/zf-w/Learn-CS
[INFO] finished tweaking git repo https://github.com/zf-w/Learn-CS
[INFO] tweaked toml for git repo https://github.com/zf-w/Learn-CS written to /workspace/builds/worker-4-tc2/source/Cargo.toml
[INFO] crate git repo https://github.com/zf-w/Learn-CS 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] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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] 0989ec47d98ddb0ded953285e64b4071e19590391ae07555f2427d9e5f389e31
[INFO] running `Command { std: "docker" "start" "-a" "0989ec47d98ddb0ded953285e64b4071e19590391ae07555f2427d9e5f389e31", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "0989ec47d98ddb0ded953285e64b4071e19590391ae07555f2427d9e5f389e31", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0989ec47d98ddb0ded953285e64b4071e19590391ae07555f2427d9e5f389e31", kill_on_drop: false }`
[INFO] [stdout] 0989ec47d98ddb0ded953285e64b4071e19590391ae07555f2427d9e5f389e31
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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] 136f62432bb839f21d92888df67a4b9f7b646fc5b639460b8316b3084348dba1
[INFO] running `Command { std: "docker" "start" "-a" "136f62432bb839f21d92888df67a4b9f7b646fc5b639460b8316b3084348dba1", kill_on_drop: false }`
[INFO] [stderr]    Compiling learn_cs v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.19s
[INFO] running `Command { std: "docker" "inspect" "136f62432bb839f21d92888df67a4b9f7b646fc5b639460b8316b3084348dba1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "136f62432bb839f21d92888df67a4b9f7b646fc5b639460b8316b3084348dba1", kill_on_drop: false }`
[INFO] [stdout] 136f62432bb839f21d92888df67a4b9f7b646fc5b639460b8316b3084348dba1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 7776a69731fb121e8ed9dec98a8cbd53b5336a68c93d43254015c39bfb66e032
[INFO] running `Command { std: "docker" "start" "-a" "7776a69731fb121e8ed9dec98a8cbd53b5336a68c93d43254015c39bfb66e032", kill_on_drop: false }`
[INFO] [stderr]    Compiling learn_cs v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.14s
[INFO] running `Command { std: "docker" "inspect" "7776a69731fb121e8ed9dec98a8cbd53b5336a68c93d43254015c39bfb66e032", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7776a69731fb121e8ed9dec98a8cbd53b5336a68c93d43254015c39bfb66e032", kill_on_drop: false }`
[INFO] [stdout] 7776a69731fb121e8ed9dec98a8cbd53b5336a68c93d43254015c39bfb66e032
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 563dd02675bacd6bc68e81bd6f7cebe0216625cc8133bb93407fc7fc5e0fa39f
[INFO] running `Command { std: "docker" "start" "-a" "563dd02675bacd6bc68e81bd6f7cebe0216625cc8133bb93407fc7fc5e0fa39f", kill_on_drop: false }`
[INFO] [stderr] Error response from daemon: failed to create task for container: failed to create shim task: OCI runtime create failed: runc create failed: unable to start container process: error during container init: error mounting "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target" to rootfs at "/opt/rustwide/target": mkdir /var/lib/docker/overlay2/0f875d480b02af55fc9f233d57beebd5aac220db73cc7c1a4e4c92e26d1b2b11/merged/opt/rustwide/target: no space left on device: unknown
[INFO] running `Command { std: "docker" "inspect" "563dd02675bacd6bc68e81bd6f7cebe0216625cc8133bb93407fc7fc5e0fa39f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "563dd02675bacd6bc68e81bd6f7cebe0216625cc8133bb93407fc7fc5e0fa39f", kill_on_drop: false }`
[INFO] [stdout] 563dd02675bacd6bc68e81bd6f7cebe0216625cc8133bb93407fc7fc5e0fa39f