[INFO] cloning repository https://github.com/zhuangxxx/rust_exercises
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/zhuangxxx/rust_exercises" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fzhuangxxx%2Frust_exercises", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fzhuangxxx%2Frust_exercises'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] ca6761690c0e116e52833d9180c7ed684662e062
[INFO] checking zhuangxxx/rust_exercises against master#bd138e2ae11050ea9ca7a187345a1b606697a8db for pr-114933
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fzhuangxxx%2Frust_exercises" "/workspace/builds/worker-3-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-3-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/zhuangxxx/rust_exercises on toolchain bd138e2ae11050ea9ca7a187345a1b606697a8db
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+bd138e2ae11050ea9ca7a187345a1b606697a8db" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/zhuangxxx/rust_exercises
[INFO] finished tweaking git repo https://github.com/zhuangxxx/rust_exercises
[INFO] tweaked toml for git repo https://github.com/zhuangxxx/rust_exercises written to /workspace/builds/worker-3-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/zhuangxxx/rust_exercises 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" "+bd138e2ae11050ea9ca7a187345a1b606697a8db" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr] warning: some crates are on edition 2021 which defaults to `resolver = "2"`, but virtual workspaces default to `resolver = "1"`
[INFO] [stderr] note: to keep the current resolver, specify `workspace.resolver = "1"` in the workspace root's manifest
[INFO] [stderr] note: to use the edition 2021 resolver, specify `workspace.resolver = "2"` in the workspace root's manifest
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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:ee140239ab1b0f8122969764b067164664e0d95d26f53df575574e2e5e286359" "/opt/rustwide/cargo-home/bin/cargo" "+bd138e2ae11050ea9ca7a187345a1b606697a8db" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] ab76c942a159a436103f61eb63093b259f11a2252f4b306926119ee3b9148cc2
[INFO] running `Command { std: "docker" "start" "-a" "ab76c942a159a436103f61eb63093b259f11a2252f4b306926119ee3b9148cc2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "ab76c942a159a436103f61eb63093b259f11a2252f4b306926119ee3b9148cc2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ab76c942a159a436103f61eb63093b259f11a2252f4b306926119ee3b9148cc2", kill_on_drop: false }`
[INFO] [stdout] ab76c942a159a436103f61eb63093b259f11a2252f4b306926119ee3b9148cc2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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:ee140239ab1b0f8122969764b067164664e0d95d26f53df575574e2e5e286359" "/opt/rustwide/cargo-home/bin/cargo" "+bd138e2ae11050ea9ca7a187345a1b606697a8db" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 0ba3720ca39f7487c1b514828e6e6ddd06f1f85fdfe010717915ae9989d2638c
[INFO] running `Command { std: "docker" "start" "-a" "0ba3720ca39f7487c1b514828e6e6ddd06f1f85fdfe010717915ae9989d2638c", kill_on_drop: false }`
[INFO] [stderr] warning: some crates are on edition 2021 which defaults to `resolver = "2"`, but virtual workspaces default to `resolver = "1"`
[INFO] [stderr] note: to keep the current resolver, specify `workspace.resolver = "1"` in the workspace root's manifest
[INFO] [stderr] note: to use the edition 2021 resolver, specify `workspace.resolver = "2"` in the workspace root's manifest
[INFO] [stderr] error: failed to create directory `/opt/rustwide/target/debug/.fingerprint/async-channel-674ccc4998d882db`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   No space left on device (os error 28)
[INFO] running `Command { std: "docker" "inspect" "0ba3720ca39f7487c1b514828e6e6ddd06f1f85fdfe010717915ae9989d2638c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0ba3720ca39f7487c1b514828e6e6ddd06f1f85fdfe010717915ae9989d2638c", kill_on_drop: false }`
[INFO] [stdout] 0ba3720ca39f7487c1b514828e6e6ddd06f1f85fdfe010717915ae9989d2638c