[INFO] cloning repository https://github.com/maxluk12/rust-simple-echo-tcp-server
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/maxluk12/rust-simple-echo-tcp-server" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmaxluk12%2Frust-simple-echo-tcp-server", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmaxluk12%2Frust-simple-echo-tcp-server'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] d3f6c38494c0a28f50a431f07ca0a948f1139c03
[INFO] testing maxluk12/rust-simple-echo-tcp-server against beta-2021-09-08 for beta-1.56-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmaxluk12%2Frust-simple-echo-tcp-server" "/workspace/builds/worker-64/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-64/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/maxluk12/rust-simple-echo-tcp-server on toolchain beta-2021-09-08
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-09-08" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/maxluk12/rust-simple-echo-tcp-server
[INFO] finished tweaking git repo https://github.com/maxluk12/rust-simple-echo-tcp-server
[INFO] tweaked toml for git repo https://github.com/maxluk12/rust-simple-echo-tcp-server written to /workspace/builds/worker-64/source/Cargo.toml
[INFO] crate git repo https://github.com/maxluk12/rust-simple-echo-tcp-server already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-09-08" "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-64/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-64/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-09-08" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 8b7cbba7c965ffb83d6b101ce0ea982358e535d39d94331deabcd41a8ec8ea3a
[INFO] running `Command { std: "docker" "start" "-a" "8b7cbba7c965ffb83d6b101ce0ea982358e535d39d94331deabcd41a8ec8ea3a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "8b7cbba7c965ffb83d6b101ce0ea982358e535d39d94331deabcd41a8ec8ea3a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8b7cbba7c965ffb83d6b101ce0ea982358e535d39d94331deabcd41a8ec8ea3a", kill_on_drop: false }`
[INFO] [stdout] 8b7cbba7c965ffb83d6b101ce0ea982358e535d39d94331deabcd41a8ec8ea3a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-64/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-64/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-09-08" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 03b163947addf80ef99d102617cb455bc6da04fed0141930afe4e8557db8a474
[INFO] running `Command { std: "docker" "start" "-a" "03b163947addf80ef99d102617cb455bc6da04fed0141930afe4e8557db8a474", kill_on_drop: false }`
[INFO] [stderr]    Compiling simple-echo-tcp-server v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.48s
[INFO] running `Command { std: "docker" "inspect" "03b163947addf80ef99d102617cb455bc6da04fed0141930afe4e8557db8a474", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "03b163947addf80ef99d102617cb455bc6da04fed0141930afe4e8557db8a474", kill_on_drop: false }`
[INFO] [stdout] 03b163947addf80ef99d102617cb455bc6da04fed0141930afe4e8557db8a474
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-64/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-64/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-09-08" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] b475e45d2fa7206b7bbc4266ceb0b5f645a63a4ab9c8626c9a49f15242584ff8
[INFO] running `Command { std: "docker" "start" "-a" "b475e45d2fa7206b7bbc4266ceb0b5f645a63a4ab9c8626c9a49f15242584ff8", kill_on_drop: false }`
[INFO] [stderr]    Compiling simple-echo-tcp-server v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.34s
[INFO] running `Command { std: "docker" "inspect" "b475e45d2fa7206b7bbc4266ceb0b5f645a63a4ab9c8626c9a49f15242584ff8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b475e45d2fa7206b7bbc4266ceb0b5f645a63a4ab9c8626c9a49f15242584ff8", kill_on_drop: false }`
[INFO] [stdout] b475e45d2fa7206b7bbc4266ceb0b5f645a63a4ab9c8626c9a49f15242584ff8
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-64/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-64/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-09-08" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 9b5ab4c53a921f2598399fba98bbb796ef593b1bb2e69c5be42f0e5229a04be8
[INFO] running `Command { std: "docker" "start" "-a" "9b5ab4c53a921f2598399fba98bbb796ef593b1bb2e69c5be42f0e5229a04be8", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/simple_echo_tcp_server-a47965c5659885ef)
[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" "9b5ab4c53a921f2598399fba98bbb796ef593b1bb2e69c5be42f0e5229a04be8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9b5ab4c53a921f2598399fba98bbb796ef593b1bb2e69c5be42f0e5229a04be8", kill_on_drop: false }`
[INFO] [stdout] 9b5ab4c53a921f2598399fba98bbb796ef593b1bb2e69c5be42f0e5229a04be8