[INFO] cloning repository https://github.com/Weichao-Wang12345/exam-grading-demo
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/Weichao-Wang12345/exam-grading-demo" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FWeichao-Wang12345%2Fexam-grading-demo", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FWeichao-Wang12345%2Fexam-grading-demo'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] d56ff03c82a544034d68a83742aca61f515b1b82
[INFO] checking Weichao-Wang12345/exam-grading-demo against master#36b21637e93b038453924d3c66821089e71d8baa for pr-143164
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FWeichao-Wang12345%2Fexam-grading-demo" "/workspace/builds/worker-2-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-2-tc1/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/Weichao-Wang12345/exam-grading-demo
[INFO] finished tweaking git repo https://github.com/Weichao-Wang12345/exam-grading-demo
[INFO] tweaked toml for git repo https://github.com/Weichao-Wang12345/exam-grading-demo written to /workspace/builds/worker-2-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/Weichao-Wang12345/exam-grading-demo on toolchain 36b21637e93b038453924d3c66821089e71d8baa
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+36b21637e93b038453924d3c66821089e71d8baa" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/Weichao-Wang12345/exam-grading-demo 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" "+36b21637e93b038453924d3c66821089e71d8baa" "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-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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:cf8efcab8866f2cf4285301c7418e2f4f2a9b088c91ba69c40d5b659f81557f7" "/opt/rustwide/cargo-home/bin/cargo" "+36b21637e93b038453924d3c66821089e71d8baa" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] c6edec13eee1ddbdc8d9b7f07b581bd2959763aa4073de8a38a4baefffcbce84
[INFO] running `Command { std: "docker" "start" "-a" "c6edec13eee1ddbdc8d9b7f07b581bd2959763aa4073de8a38a4baefffcbce84", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "c6edec13eee1ddbdc8d9b7f07b581bd2959763aa4073de8a38a4baefffcbce84", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c6edec13eee1ddbdc8d9b7f07b581bd2959763aa4073de8a38a4baefffcbce84", kill_on_drop: false }`
[INFO] [stdout] c6edec13eee1ddbdc8d9b7f07b581bd2959763aa4073de8a38a4baefffcbce84
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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:cf8efcab8866f2cf4285301c7418e2f4f2a9b088c91ba69c40d5b659f81557f7" "/opt/rustwide/cargo-home/bin/cargo" "+36b21637e93b038453924d3c66821089e71d8baa" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 63cb5c3ca03cddf28c9ea7deac84bd1dde1c0f8948354ac21cba236dbf3e4236
[INFO] running `Command { std: "docker" "start" "-a" "63cb5c3ca03cddf28c9ea7deac84bd1dde1c0f8948354ac21cba236dbf3e4236", kill_on_drop: false }`
[INFO] [stderr] error: failed to create directory `/opt/rustwide/target/debug/.fingerprint/itoa-61fa90baf14c2258`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   No space left on device (os error 28)
[INFO] running `Command { std: "docker" "inspect" "63cb5c3ca03cddf28c9ea7deac84bd1dde1c0f8948354ac21cba236dbf3e4236", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "63cb5c3ca03cddf28c9ea7deac84bd1dde1c0f8948354ac21cba236dbf3e4236", kill_on_drop: false }`
[INFO] [stdout] 63cb5c3ca03cddf28c9ea7deac84bd1dde1c0f8948354ac21cba236dbf3e4236