[INFO] cloning repository https://github.com/snowdaily/rust_tcp_server_demo
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/snowdaily/rust_tcp_server_demo" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsnowdaily%2Frust_tcp_server_demo", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsnowdaily%2Frust_tcp_server_demo'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 82f605b72603d6807caf56cb287bbcf0ded94007
[INFO] checking snowdaily/rust_tcp_server_demo against master#18a029cfe8e761533634bda8fe8a14e30280a21b for pr-139646
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsnowdaily%2Frust_tcp_server_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] validating manifest of git repo https://github.com/snowdaily/rust_tcp_server_demo on toolchain 18a029cfe8e761533634bda8fe8a14e30280a21b
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+18a029cfe8e761533634bda8fe8a14e30280a21b" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/snowdaily/rust_tcp_server_demo
[INFO] finished tweaking git repo https://github.com/snowdaily/rust_tcp_server_demo
[INFO] tweaked toml for git repo https://github.com/snowdaily/rust_tcp_server_demo written to /workspace/builds/worker-2-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/snowdaily/rust_tcp_server_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" "+18a029cfe8e761533634bda8fe8a14e30280a21b" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[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:b0b074c097205a61b89e8ad263052f976b2b332c4dc5f02aef1fe52501660d6e" "/opt/rustwide/cargo-home/bin/cargo" "+18a029cfe8e761533634bda8fe8a14e30280a21b" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 047f36d261fbdd42e4177d9cce41613a1daf0677808fd81c71fa24f3557c3c87
[INFO] running `Command { std: "docker" "start" "-a" "047f36d261fbdd42e4177d9cce41613a1daf0677808fd81c71fa24f3557c3c87", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "047f36d261fbdd42e4177d9cce41613a1daf0677808fd81c71fa24f3557c3c87", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "047f36d261fbdd42e4177d9cce41613a1daf0677808fd81c71fa24f3557c3c87", kill_on_drop: false }`
[INFO] [stdout] 047f36d261fbdd42e4177d9cce41613a1daf0677808fd81c71fa24f3557c3c87
[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:b0b074c097205a61b89e8ad263052f976b2b332c4dc5f02aef1fe52501660d6e" "/opt/rustwide/cargo-home/bin/cargo" "+18a029cfe8e761533634bda8fe8a14e30280a21b" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 29a7d2edcceb924ee276bdaf82a172812e04bf901524715f199ea5f54e2bc82e
[INFO] running `Command { std: "docker" "start" "-a" "29a7d2edcceb924ee276bdaf82a172812e04bf901524715f199ea5f54e2bc82e", kill_on_drop: false }`
[INFO] [stderr]     Checking tcp_server_demo v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.11s
[INFO] running `Command { std: "docker" "inspect" "29a7d2edcceb924ee276bdaf82a172812e04bf901524715f199ea5f54e2bc82e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "29a7d2edcceb924ee276bdaf82a172812e04bf901524715f199ea5f54e2bc82e", kill_on_drop: false }`
[INFO] [stdout] 29a7d2edcceb924ee276bdaf82a172812e04bf901524715f199ea5f54e2bc82e