[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] testing terryyyyyy/rust-tcp-client-homework 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%2Fterryyyyyy%2Frust-tcp-client-homework" "/workspace/builds/worker-14/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-14/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/terryyyyyy/rust-tcp-client-homework 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/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-14/source/Cargo.toml
[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: "/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] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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] 62c3c5245789dc4efec54a5379a14330d477d007f3e7f9124a6e7716d2f6f037
[INFO] running `Command { std: "docker" "start" "-a" "62c3c5245789dc4efec54a5379a14330d477d007f3e7f9124a6e7716d2f6f037", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "62c3c5245789dc4efec54a5379a14330d477d007f3e7f9124a6e7716d2f6f037", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "62c3c5245789dc4efec54a5379a14330d477d007f3e7f9124a6e7716d2f6f037", kill_on_drop: false }`
[INFO] [stdout] 62c3c5245789dc4efec54a5379a14330d477d007f3e7f9124a6e7716d2f6f037
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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] 0a1975b1e907a0aa295477cc870cd7c843c44455e072d1ab95ea265c9dee889d
[INFO] running `Command { std: "docker" "start" "-a" "0a1975b1e907a0aa295477cc870cd7c843c44455e072d1ab95ea265c9dee889d", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling rust-tcp-client-homework v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.12s
[INFO] running `Command { std: "docker" "inspect" "0a1975b1e907a0aa295477cc870cd7c843c44455e072d1ab95ea265c9dee889d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0a1975b1e907a0aa295477cc870cd7c843c44455e072d1ab95ea265c9dee889d", kill_on_drop: false }`
[INFO] [stdout] 0a1975b1e907a0aa295477cc870cd7c843c44455e072d1ab95ea265c9dee889d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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] 461dfe80b94e9156b05dc356a3f0992d8124bea1ea2f5b12d68b9429b476b744
[INFO] running `Command { std: "docker" "start" "-a" "461dfe80b94e9156b05dc356a3f0992d8124bea1ea2f5b12d68b9429b476b744", kill_on_drop: false }`
[INFO] [stderr]    Compiling rust-tcp-client-homework v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.27s
[INFO] [stderr]   Executable unittests src/main.rs (/opt/rustwide/target/debug/deps/rust_tcp_client_homework-cb492ae21d1333f3)
[INFO] running `Command { std: "docker" "inspect" "461dfe80b94e9156b05dc356a3f0992d8124bea1ea2f5b12d68b9429b476b744", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "461dfe80b94e9156b05dc356a3f0992d8124bea1ea2f5b12d68b9429b476b744", kill_on_drop: false }`
[INFO] [stdout] 461dfe80b94e9156b05dc356a3f0992d8124bea1ea2f5b12d68b9429b476b744
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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] c9e04f6dd110b59b72764b4e86f6e3882437c511d0aaf8ea63a62433bdd578fc
[INFO] running `Command { std: "docker" "start" "-a" "c9e04f6dd110b59b72764b4e86f6e3882437c511d0aaf8ea63a62433bdd578fc", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.04s
[INFO] [stderr]      Running unittests src/main.rs (/opt/rustwide/target/debug/deps/rust_tcp_client_homework-cb492ae21d1333f3)
[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" "c9e04f6dd110b59b72764b4e86f6e3882437c511d0aaf8ea63a62433bdd578fc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c9e04f6dd110b59b72764b4e86f6e3882437c511d0aaf8ea63a62433bdd578fc", kill_on_drop: false }`
[INFO] [stdout] c9e04f6dd110b59b72764b4e86f6e3882437c511d0aaf8ea63a62433bdd578fc