[INFO] cloning repository https://github.com/cicvedu/rustlings-semester-2-cfping
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/cicvedu/rustlings-semester-2-cfping" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcicvedu%2Frustlings-semester-2-cfping", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcicvedu%2Frustlings-semester-2-cfping'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 872f3abc7ea25c8f57ad3b3a1019b0f6dd64dcbd
[INFO] checking cicvedu/rustlings-semester-2-cfping against try#81185c2d21df0ba45fd33e65bbdce76dc0d89bd9 for pr-139646
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcicvedu%2Frustlings-semester-2-cfping" "/workspace/builds/worker-0-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-0-tc2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/cicvedu/rustlings-semester-2-cfping on toolchain 81185c2d21df0ba45fd33e65bbdce76dc0d89bd9
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+81185c2d21df0ba45fd33e65bbdce76dc0d89bd9" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/cicvedu/rustlings-semester-2-cfping
[INFO] finished tweaking git repo https://github.com/cicvedu/rustlings-semester-2-cfping
[INFO] tweaked toml for git repo https://github.com/cicvedu/rustlings-semester-2-cfping written to /workspace/builds/worker-0-tc2/source/Cargo.toml
[INFO] crate git repo https://github.com/cicvedu/rustlings-semester-2-cfping 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" "+81185c2d21df0ba45fd33e65bbdce76dc0d89bd9" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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:b0b074c097205a61b89e8ad263052f976b2b332c4dc5f02aef1fe52501660d6e" "/opt/rustwide/cargo-home/bin/cargo" "+81185c2d21df0ba45fd33e65bbdce76dc0d89bd9" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 6cba7a5751a332d122a67c156baa0580440d2515b9a1e2e5b273186fef9d7508
[INFO] running `Command { std: "docker" "start" "-a" "6cba7a5751a332d122a67c156baa0580440d2515b9a1e2e5b273186fef9d7508", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "6cba7a5751a332d122a67c156baa0580440d2515b9a1e2e5b273186fef9d7508", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6cba7a5751a332d122a67c156baa0580440d2515b9a1e2e5b273186fef9d7508", kill_on_drop: false }`
[INFO] [stdout] 6cba7a5751a332d122a67c156baa0580440d2515b9a1e2e5b273186fef9d7508
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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:b0b074c097205a61b89e8ad263052f976b2b332c4dc5f02aef1fe52501660d6e" "/opt/rustwide/cargo-home/bin/cargo" "+81185c2d21df0ba45fd33e65bbdce76dc0d89bd9" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 5726c06ad5eedcd5a37c81ef34326b141264e0fd7bd16fa7056c1388661b68fe
[INFO] running `Command { std: "docker" "start" "-a" "5726c06ad5eedcd5a37c81ef34326b141264e0fd7bd16fa7056c1388661b68fe", kill_on_drop: false }`
[INFO] [stderr] Error response from daemon: mkdir /var/lib/docker/overlay2/a88feb856cccc87d07e22a58d32de73e7ea6f08132a06b555e14a7d83e4d4ce9/merged: no space left on device
[INFO] running `Command { std: "docker" "inspect" "5726c06ad5eedcd5a37c81ef34326b141264e0fd7bd16fa7056c1388661b68fe", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5726c06ad5eedcd5a37c81ef34326b141264e0fd7bd16fa7056c1388661b68fe", kill_on_drop: false }`
[INFO] [stdout] 5726c06ad5eedcd5a37c81ef34326b141264e0fd7bd16fa7056c1388661b68fe