[INFO] cloning repository https://github.com/terryyyyyy/rust-tcp-client-homework
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/terryyyyyy/rust-tcp-client-homework" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fterryyyyyy%2Frust-tcp-client-homework", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fterryyyyyy%2Frust-tcp-client-homework'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 2cc02cf1562ab386ffcf70d077b9298347c52192
[INFO] checking terryyyyyy/rust-tcp-client-homework against master#b56aaec52bc0fa35591a872fb4aac81f606e265c for pr-122661-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fterryyyyyy%2Frust-tcp-client-homework" "/workspace/builds/worker-4-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4-tc1/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/terryyyyyy/rust-tcp-client-homework
[INFO] finished tweaking git repo https://github.com/terryyyyyy/rust-tcp-client-homework
[INFO] tweaked toml for git repo https://github.com/terryyyyyy/rust-tcp-client-homework written to /workspace/builds/worker-4-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/terryyyyyy/rust-tcp-client-homework on toolchain b56aaec52bc0fa35591a872fb4aac81f606e265c
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+b56aaec52bc0fa35591a872fb4aac81f606e265c" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/terryyyyyy/rust-tcp-client-homework 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" "+b56aaec52bc0fa35591a872fb4aac81f606e265c" "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-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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" "+b56aaec52bc0fa35591a872fb4aac81f606e265c" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 3b44f7537cf871407fa2fd7353913a05ff2cb5dbcab61a9cebbb36c283393b38
[INFO] running `Command { std: "docker" "start" "-a" "3b44f7537cf871407fa2fd7353913a05ff2cb5dbcab61a9cebbb36c283393b38", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "3b44f7537cf871407fa2fd7353913a05ff2cb5dbcab61a9cebbb36c283393b38", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3b44f7537cf871407fa2fd7353913a05ff2cb5dbcab61a9cebbb36c283393b38", kill_on_drop: false }`
[INFO] [stdout] 3b44f7537cf871407fa2fd7353913a05ff2cb5dbcab61a9cebbb36c283393b38
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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" "+b56aaec52bc0fa35591a872fb4aac81f606e265c" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr] Error response from daemon: chown /var/lib/docker/overlay2/ad5ed1c50ef2842467381ecc58cf701d00a3093df0a12f14b7786481e6315b0d-init/work/work: no such file or directory