[INFO] cloning repository https://github.com/Carlos-Song/rust-tcp-demo
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/Carlos-Song/rust-tcp-demo" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FCarlos-Song%2Frust-tcp-demo", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FCarlos-Song%2Frust-tcp-demo'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] ddce0934575769665edd4089fe8eb7ff0bf82914
[INFO] testing Carlos-Song/rust-tcp-demo against beta-2022-04-10 for beta-1.61-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FCarlos-Song%2Frust-tcp-demo" "/workspace/builds/worker-2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/Carlos-Song/rust-tcp-demo on toolchain beta-2022-04-10
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-04-10" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/Carlos-Song/rust-tcp-demo
[INFO] finished tweaking git repo https://github.com/Carlos-Song/rust-tcp-demo
[INFO] tweaked toml for git repo https://github.com/Carlos-Song/rust-tcp-demo written to /workspace/builds/worker-2/source/Cargo.toml
[INFO] crate git repo https://github.com/Carlos-Song/rust-tcp-demo already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-04-10" "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-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 9985b426c0a080088305b0577a2bdee11def0f05329bce7ccb4fb76fbfecdf01
[INFO] running `Command { std: "docker" "start" "-a" "9985b426c0a080088305b0577a2bdee11def0f05329bce7ccb4fb76fbfecdf01", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "9985b426c0a080088305b0577a2bdee11def0f05329bce7ccb4fb76fbfecdf01", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9985b426c0a080088305b0577a2bdee11def0f05329bce7ccb4fb76fbfecdf01", kill_on_drop: false }`
[INFO] [stdout] 9985b426c0a080088305b0577a2bdee11def0f05329bce7ccb4fb76fbfecdf01
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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=warn" "-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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 443976b423aa840ec1c203ed2461c452fc714a87de8f6e5b7a71def40fc8880c
[INFO] running `Command { std: "docker" "start" "-a" "443976b423aa840ec1c203ed2461c452fc714a87de8f6e5b7a71def40fc8880c", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling rust-tcp-demo v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.71s
[INFO] running `Command { std: "docker" "inspect" "443976b423aa840ec1c203ed2461c452fc714a87de8f6e5b7a71def40fc8880c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "443976b423aa840ec1c203ed2461c452fc714a87de8f6e5b7a71def40fc8880c", kill_on_drop: false }`
[INFO] [stdout] 443976b423aa840ec1c203ed2461c452fc714a87de8f6e5b7a71def40fc8880c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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=warn" "-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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] a70bca5dc25caf6518d08f9701fcc20236f755c0f236586fd331abedbc45a024
[INFO] running `Command { std: "docker" "start" "-a" "a70bca5dc25caf6518d08f9701fcc20236f755c0f236586fd331abedbc45a024", kill_on_drop: false }`
[INFO] [stderr]    Compiling rust-tcp-demo v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.32s
[INFO] [stderr]   Executable unittests src/main.rs (/opt/rustwide/target/debug/deps/rust_tcp_demo-34b13b45ac35afb2)
[INFO] running `Command { std: "docker" "inspect" "a70bca5dc25caf6518d08f9701fcc20236f755c0f236586fd331abedbc45a024", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a70bca5dc25caf6518d08f9701fcc20236f755c0f236586fd331abedbc45a024", kill_on_drop: false }`
[INFO] [stdout] a70bca5dc25caf6518d08f9701fcc20236f755c0f236586fd331abedbc45a024
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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=warn" "-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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 983a521c5e30ad430f67d82f08bf5f861c6bbece5647a671a81ca63136c9719b
[INFO] running `Command { std: "docker" "start" "-a" "983a521c5e30ad430f67d82f08bf5f861c6bbece5647a671a81ca63136c9719b", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.54s
[INFO] [stderr]      Running unittests src/main.rs (/opt/rustwide/target/debug/deps/rust_tcp_demo-34b13b45ac35afb2)
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "983a521c5e30ad430f67d82f08bf5f861c6bbece5647a671a81ca63136c9719b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "983a521c5e30ad430f67d82f08bf5f861c6bbece5647a671a81ca63136c9719b", kill_on_drop: false }`
[INFO] [stdout] 983a521c5e30ad430f67d82f08bf5f861c6bbece5647a671a81ca63136c9719b